directory restructuring

library/INSTALL

@@ -0,0 +1,32 @@
+================================= 
+Installation of python-libtorrent
+=================================
+
+Compile:         python setup.py build
+Compile&install: sudo python setup.py install
+
+Dependencies to compile (written as Ubuntu packages): python, libboost-filesystem1.33.1, libboost-date-time1.33.1, libboost-program-options1.33.1, libboost-regex1.33.1, libboost-thread1.33.1, libc6-dev, zlib1g-dev
+
+May also depend on (not sure): python-dev, and -dev packages for all boost libs
+
+Note: Makefile.libtorrent-only.* are the makefiles from libtorrent, copies as it. They don't refer to python-libtorrent, and probably won't work in the current directory structure. However, they may help people know what dependencies etc. are needed
+
+Note: If you find mistakes here, please notify me on the project page,
+http://code.google.com/p/python-libtorrent
+
+Note: skolnick reports that the following are needed on Debian Etch:
+apt-get install python
+apt-get install libboost-filesystem1.33.1
+apt-get install libboost-date-time1.33.1
+apt-get install libboost-program-options1.33.1
+apt-get install libboost-regex1.33.1
+apt-get install libboost-thread1.33.1
+apt-get install libc6-dev
+apt-get install zlib1g-dev
+apt-get install libboost-thread-dev
+apt-get install libboost-date-time-dev
+apt-get install libboost-filesystem-dev
+apt-get install libboost-program-options-dev
+apt-get install libboost-serialization-dev
+apt-get install python-dev
+apt-get install libboost-regex-dev

library/LICENSE

@@ -0,0 +1,13 @@
+/* 
+Copyright: A. Zakai ('Kripken') <kripkensteiner@gmail.com> http://6thsenseless.blogspot.com
+
+2006-15-9
+
+This code is licensed under the terms of the GNU General Public License (GPL),
+version 2 or above; See /usr/share/common-licenses/GPL , or see
+http://www.fsf.org/licensing/licenses/gpl.html
+
+The libtorrent code is copyrighted by Arvid Norberg; see the notice in
+the libtorrent files. However, to ensure no misunderstanding: the entire project
+as a whole is licenced as mentioned above, under the GPL.
+*/

library/Makefile.am

@@ -0,0 +1,71 @@
+lib_LTLIBRARIES = libtorrent.la
+
+libtorrent_la_SOURCES = allocate_resources.cpp \
+entry.cpp escape_string.cpp \
+peer_connection.cpp bt_peer_connection.cpp web_peer_connection.cpp \
+piece_picker.cpp policy.cpp session.cpp session_impl.cpp sha1.cpp stat.cpp \
+storage.cpp torrent.cpp torrent_handle.cpp \
+torrent_info.cpp tracker_manager.cpp \
+http_tracker_connection.cpp udp_tracker_connection.cpp \
+alert.cpp identify_client.cpp ip_filter.cpp file.cpp \
+\
+kademlia/closest_nodes.cpp \
+kademlia/dht_tracker.cpp \
+kademlia/find_data.cpp \
+kademlia/node.cpp \
+kademlia/node_id.cpp \
+kademlia/refresh.cpp \
+kademlia/routing_table.cpp \
+kademlia/rpc_manager.cpp \
+kademlia/traversal_algorithm.cpp
+
+noinst_HEADERS = \
+$(top_srcdir)/include/libtorrent/alert.hpp \
+$(top_srcdir)/include/libtorrent/alert_types.hpp \
+$(top_srcdir)/include/libtorrent/allocate_resources.hpp \
+$(top_srcdir)/include/libtorrent/aux_/allocate_resources_impl.hpp \
+$(top_srcdir)/include/libtorrent/bencode.hpp \
+$(top_srcdir)/include/libtorrent/buffer.hpp \
+$(top_srcdir)/include/libtorrent/debug.hpp \
+$(top_srcdir)/include/libtorrent/entry.hpp \
+$(top_srcdir)/include/libtorrent/escape_string.hpp \
+$(top_srcdir)/include/libtorrent/file.hpp \
+$(top_srcdir)/include/libtorrent/fingerprint.hpp \
+$(top_srcdir)/include/libtorrent/hasher.hpp \
+$(top_srcdir)/include/libtorrent/session_settings.hpp \
+$(top_srcdir)/include/libtorrent/http_tracker_connection.hpp \
+$(top_srcdir)/include/libtorrent/identify_client.hpp \
+$(top_srcdir)/include/libtorrent/invariant_check.hpp \
+$(top_srcdir)/include/libtorrent/io.hpp \
+$(top_srcdir)/include/libtorrent/ip_filter.hpp \
+$(top_srcdir)/include/libtorrent/peer.hpp \
+$(top_srcdir)/include/libtorrent/peer_connection.hpp \
+$(top_srcdir)/include/libtorrent/bt_peer_connection.hpp \
+$(top_srcdir)/include/libtorrent/web_peer_connection.hpp \
+$(top_srcdir)/include/libtorrent/peer_id.hpp \
+$(top_srcdir)/include/libtorrent/peer_info.hpp \
+$(top_srcdir)/include/libtorrent/peer_request.hpp \
+$(top_srcdir)/include/libtorrent/piece_block_progress.hpp \
+$(top_srcdir)/include/libtorrent/piece_picker.hpp \
+$(top_srcdir)/include/libtorrent/policy.hpp \
+$(top_srcdir)/include/libtorrent/resource_request.hpp \
+$(top_srcdir)/include/libtorrent/session.hpp \
+$(top_srcdir)/include/libtorrent/aux_/session_impl.hpp \
+$(top_srcdir)/include/libtorrent/size_type.hpp \
+$(top_srcdir)/include/libtorrent/socket.hpp \
+$(top_srcdir)/include/libtorrent/stat.hpp \
+$(top_srcdir)/include/libtorrent/storage.hpp \
+$(top_srcdir)/include/libtorrent/torrent.hpp \
+$(top_srcdir)/include/libtorrent/torrent_handle.hpp \
+$(top_srcdir)/include/libtorrent/torrent_info.hpp \
+$(top_srcdir)/include/libtorrent/tracker_manager.hpp \
+$(top_srcdir)/include/libtorrent/udp_tracker_connection.hpp \
+$(top_srcdir)/include/libtorrent/utf8.hpp \
+$(top_srcdir)/include/libtorrent/version.hpp
+
+
+libtorrent_la_LDFLAGS = $(LDFLAGS) -version-info 1:0:1
+libtorrent_la_LIBADD = @ZLIB@ -l@BOOST_DATE_TIME_LIB@ -l@BOOST_FILESYSTEM_LIB@ -l@BOOST_THREAD_LIB@ @PTHREAD_LIBS@ 
+
+AM_CXXFLAGS= -ftemplate-depth-50 -I$(top_srcdir)/include -I$(top_srcdir)/include/libtorrent @ZLIBINCL@ @DEBUGFLAGS@ @PTHREAD_CFLAGS@ 
+AM_LDFLAGS= $(LDFLAGS) -l@BOOST_DATE_TIME_LIB@ -l@BOOST_FILESYSTEM_LIB@ -l@BOOST_THREAD_LIB@ @PTHREAD_LIBS@ 

library/Makefile.in

@@ -0,0 +1,641 @@
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+	session_impl.lo sha1.lo stat.lo storage.lo torrent.lo \
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+peer_connection.cpp bt_peer_connection.cpp web_peer_connection.cpp \
+piece_picker.cpp policy.cpp session.cpp session_impl.cpp sha1.cpp stat.cpp \
+storage.cpp torrent.cpp torrent_handle.cpp \
+torrent_info.cpp tracker_manager.cpp \
+http_tracker_connection.cpp udp_tracker_connection.cpp \
+alert.cpp identify_client.cpp ip_filter.cpp file.cpp \
+\
+kademlia/closest_nodes.cpp \
+kademlia/dht_tracker.cpp \
+kademlia/find_data.cpp \
+kademlia/node.cpp \
+kademlia/node_id.cpp \
+kademlia/refresh.cpp \
+kademlia/routing_table.cpp \
+kademlia/rpc_manager.cpp \
+kademlia/traversal_algorithm.cpp
+
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+$(top_srcdir)/include/libtorrent/alert.hpp \
+$(top_srcdir)/include/libtorrent/alert_types.hpp \
+$(top_srcdir)/include/libtorrent/allocate_resources.hpp \
+$(top_srcdir)/include/libtorrent/aux_/allocate_resources_impl.hpp \
+$(top_srcdir)/include/libtorrent/bencode.hpp \
+$(top_srcdir)/include/libtorrent/buffer.hpp \
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+$(top_srcdir)/include/libtorrent/hasher.hpp \
+$(top_srcdir)/include/libtorrent/session_settings.hpp \
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+$(top_srcdir)/include/libtorrent/peer.hpp \
+$(top_srcdir)/include/libtorrent/peer_connection.hpp \
+$(top_srcdir)/include/libtorrent/bt_peer_connection.hpp \
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+$(top_srcdir)/include/libtorrent/policy.hpp \
+$(top_srcdir)/include/libtorrent/resource_request.hpp \
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+$(top_srcdir)/include/libtorrent/utf8.hpp \
+$(top_srcdir)/include/libtorrent/version.hpp
+
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+
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+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/Makefile
+.PRECIOUS: Makefile
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library/Makefile.libtorrent-only.am

@@ -0,0 +1,71 @@
+lib_LTLIBRARIES = libtorrent.la
+
+libtorrent_la_SOURCES = allocate_resources.cpp \
+entry.cpp escape_string.cpp \
+peer_connection.cpp bt_peer_connection.cpp web_peer_connection.cpp \
+piece_picker.cpp policy.cpp session.cpp session_impl.cpp sha1.cpp stat.cpp \
+storage.cpp torrent.cpp torrent_handle.cpp \
+torrent_info.cpp tracker_manager.cpp \
+http_tracker_connection.cpp udp_tracker_connection.cpp \
+alert.cpp identify_client.cpp ip_filter.cpp file.cpp \
+\
+kademlia/closest_nodes.cpp \
+kademlia/dht_tracker.cpp \
+kademlia/find_data.cpp \
+kademlia/node.cpp \
+kademlia/node_id.cpp \
+kademlia/refresh.cpp \
+kademlia/routing_table.cpp \
+kademlia/rpc_manager.cpp \
+kademlia/traversal_algorithm.cpp
+
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library/README

@@ -0,0 +1,30 @@
+=================
+python-libtorrent
+=================
+
+The simplest way to use this project is to install the .deb file,
+which appears in the "debs" subfolder. This was tested under
+Ubuntu 6.06 (Dapper), but may work in other Debian-based systems.
+
+Otherwise, you may compile the code with the script 'makeit'. The
+script 'installit' will install the package, so you can import it as
+a module under python.
+
+After installation of python-libtorrent, you can install and run
+Deluge, http://code.google.com/p/deluge-torrent/
+
+As a simpler test, you can check whether python-libtorrent works by
+by running
+
+python test.py
+
+This does a simple torrent download. Note that the torrent is for
+the Ubuntu 6.06 release, and was available as of 15.9.2006. You
+may need to replace the torrent with another.
+
+If successful, you will see test.py print the torrent status
+to the screen each second. Notice in particular the download speed
+and amount downloaded so far, to see if things are working.
+
+Note: You may need to change the port used, depending on your system.
+

library/alert.cpp

@@ -0,0 +1,124 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg, Daniel Wallin
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include "libtorrent/alert.hpp"
+
+namespace libtorrent {
+
+	alert::alert(severity_t severity, const std::string& msg)
+		: m_msg(msg)
+		, m_severity(severity)
+		, m_timestamp(boost::posix_time::second_clock::universal_time())
+	{
+	}
+
+	alert::~alert()
+	{
+	}
+
+	boost::posix_time::ptime alert::timestamp() const
+	{
+		return m_timestamp;
+	}
+
+	const std::string& alert::msg() const
+	{
+		return m_msg;
+	}
+
+	alert::severity_t alert::severity() const
+	{
+		return m_severity;
+	}
+
+
+
+	alert_manager::alert_manager()
+		: m_severity(alert::none)
+	{}
+
+	alert_manager::~alert_manager()
+	{
+		while (!m_alerts.empty())
+		{
+			delete m_alerts.front();
+			m_alerts.pop();
+		}
+	}
+
+	void alert_manager::post_alert(const alert& alert_)
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		if (m_severity > alert_.severity()) return;
+
+		// the internal limit is 100 alerts
+		if (m_alerts.size() == 100)
+		{
+			alert* result = m_alerts.front();
+			m_alerts.pop();
+			delete result;
+		}
+		m_alerts.push(alert_.clone().release());
+	}
+
+	std::auto_ptr<alert> alert_manager::get()
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		
+		assert(!m_alerts.empty());
+
+		alert* result = m_alerts.front();
+		m_alerts.pop();
+		return std::auto_ptr<alert>(result);
+	}
+
+	bool alert_manager::pending() const
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		
+		return !m_alerts.empty();
+	}
+
+	void alert_manager::set_severity(alert::severity_t severity)
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		
+		m_severity = severity;
+	}
+	
+	bool alert_manager::should_post(alert::severity_t severity) const
+	{
+		return severity >= m_severity;
+	}
+
+} // namespace libtorrent
+

library/allocate_resources.cpp

@@ -0,0 +1,201 @@
+/*
+
+Copyright (c) 2003, Magnus Jonsson, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/ 
+
+//The Standard Library defines the two template functions std::min() 
+//and std::max() in the <algorithm> header. In general, you should 
+//use these template functions for calculating the min and max values 
+//of a pair. Unfortunately, Visual C++ does not define these function
+// templates. This is because the names min and max clash with 
+//the traditional min and max macros defined in <windows.h>. 
+//As a workaround, Visual C++ defines two alternative templates with 
+//identical functionality called _cpp_min() and _cpp_max(). You can 
+//use them instead of std::min() and std::max().To disable the 
+//generation of the min and max macros in Visual C++, #define 
+//NOMINMAX before #including <windows.h>.
+
+#ifdef _WIN32
+    //support boost1.32.0(2004-11-19 18:47)
+    //now all libs can be compiled and linked with static module
+	#define NOMINMAX
+#endif
+
+#include "libtorrent/allocate_resources.hpp"
+#include "libtorrent/size_type.hpp"
+#include "libtorrent/peer_connection.hpp"
+#include "libtorrent/torrent.hpp"
+#include "libtorrent/aux_/allocate_resources_impl.hpp"
+
+#include <cassert>
+#include <algorithm>
+#include <boost/limits.hpp>
+
+#if defined(_MSC_VER) && _MSC_VER < 1310
+#define for if (false) {} else for
+#else
+#include <boost/iterator/transform_iterator.hpp>
+#endif
+
+namespace libtorrent
+{
+	int saturated_add(int a, int b)
+	{
+		assert(a >= 0);
+		assert(b >= 0);
+		assert(a <= resource_request::inf);
+		assert(b <= resource_request::inf);
+		assert(resource_request::inf + resource_request::inf < 0);
+
+		unsigned int sum = unsigned(a) + unsigned(b);
+		if (sum > unsigned(resource_request::inf))
+			sum = resource_request::inf;
+
+		assert(sum >= unsigned(a) && sum >= unsigned(b));
+		return int(sum);
+	}
+
+#if defined(_MSC_VER) && _MSC_VER < 1310
+
+	namespace detail
+	{
+		struct iterator_wrapper
+		{
+			typedef std::map<sha1_hash, boost::shared_ptr<torrent> >::iterator orig_iter;
+
+			orig_iter iter;
+
+			iterator_wrapper(orig_iter i): iter(i) {}
+			void operator++() { ++iter; }
+			torrent& operator*() { return *(iter->second); }
+			bool operator==(const iterator_wrapper& i) const
+			{ return iter == i.iter; }
+			bool operator!=(const iterator_wrapper& i) const
+			{ return iter != i.iter; }
+		};
+
+		struct iterator_wrapper2
+		{
+			typedef std::map<tcp::endpoint, peer_connection*>::iterator orig_iter;
+
+			orig_iter iter;
+
+			iterator_wrapper2(orig_iter i): iter(i) {}
+			void operator++() { ++iter; }
+			peer_connection& operator*() { return *(iter->second); }
+			bool operator==(const iterator_wrapper2& i) const
+			{ return iter == i.iter; }
+			bool operator!=(const iterator_wrapper2& i) const
+			{ return iter != i.iter; }
+		};
+
+	}
+
+	void allocate_resources(
+		int resources
+		, std::map<sha1_hash, boost::shared_ptr<torrent> >& c
+		, resource_request torrent::* res)
+	{
+		aux::allocate_resources_impl(
+			resources
+			, detail::iterator_wrapper(c.begin())
+			, detail::iterator_wrapper(c.end())
+			, res);
+	}
+
+	void allocate_resources(
+		int resources
+		, std::map<tcp::endpoint, peer_connection*>& c
+		, resource_request peer_connection::* res)
+	{
+		aux::allocate_resources_impl(
+			resources
+			, detail::iterator_wrapper2(c.begin())
+			, detail::iterator_wrapper2(c.end())
+			, res);
+	}
+
+#else
+
+	namespace aux
+	{
+		peer_connection& pick_peer(
+			std::pair<boost::shared_ptr<stream_socket>
+			, boost::intrusive_ptr<peer_connection> > const& p)
+		{
+			return *p.second;
+		}
+
+		peer_connection& pick_peer2(
+			std::pair<tcp::endpoint, peer_connection*> const& p)
+		{
+			return *p.second;
+		}
+
+		torrent& deref(std::pair<sha1_hash, boost::shared_ptr<torrent> > const& p)
+		{
+			return *p.second;
+		}
+	}
+
+	void allocate_resources(
+		int resources
+		, std::map<sha1_hash, boost::shared_ptr<torrent> >& c
+		, resource_request torrent::* res)
+	{
+		typedef std::map<sha1_hash, boost::shared_ptr<torrent> >::iterator orig_iter;
+		typedef std::pair<sha1_hash, boost::shared_ptr<torrent> > in_param;
+		typedef boost::transform_iterator<torrent& (*)(in_param const&), orig_iter> new_iter;
+
+		aux::allocate_resources_impl(
+			resources
+			, new_iter(c.begin(), &aux::deref)
+			, new_iter(c.end(), &aux::deref)
+			, res);
+	}
+
+	void allocate_resources(
+		int resources
+		, std::map<tcp::endpoint, peer_connection*>& c
+		, resource_request peer_connection::* res)
+	{
+		typedef std::map<tcp::endpoint, peer_connection*>::iterator orig_iter;
+		typedef std::pair<tcp::endpoint, peer_connection*> in_param;
+		typedef boost::transform_iterator<peer_connection& (*)(in_param const&), orig_iter> new_iter;
+
+		aux::allocate_resources_impl(
+			resources
+			, new_iter(c.begin(), &aux::pick_peer2)
+			, new_iter(c.end(), &aux::pick_peer2)
+			, res);
+	}
+#endif
+
+} // namespace libtorrent

library/control

@@ -0,0 +1,9 @@
+Package: python-libtorrent
+Version: 0.2.99-1-i386
+Section: base
+Priority: optional
+Architecture: all
+Depends: python, libboost-filesystem1.33.1, libboost-date-time1.33.1, libboost-program-options1.33.1, libboost-regex1.33.1, libboost-thread1.33.1, libc6-dev, zlib1g-dev
+Maintainer: A. Zakai ('Kripken') <kripkensteiner@gmail.com>
+Description: A Python wrapper for the (Sourceforge, not Rakshasa!) libtorrent C++ library.
+ URL: http://code.google.com/p/python-libtorrent/

library/debianit

@@ -0,0 +1,6 @@
+#svn rm ./debs/*.deb
+mkdir ./debian/usr/lib/python2.4/site-packages/
+mkdir debs
+cp ./build/lib.linux-i686-2.4/* ./debian/usr/lib/python2.4/site-packages/
+dpkg-deb --build debian ./debs/python-libtorrent_0.3.2_i386.deb
+#svn add ./debs/*.deb

library/entry.cpp

@@ -0,0 +1,344 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include <algorithm>
+#include <iomanip>
+#include "libtorrent/entry.hpp"
+#include "libtorrent/config.hpp"
+#include <boost/bind.hpp>
+#include <boost/next_prior.hpp>
+
+#if defined(_MSC_VER)
+namespace std
+{
+	using ::isprint;
+}
+#define for if (false) {} else for
+#endif
+
+namespace
+{
+	template <class T>
+	void call_destructor(T* o)
+	{
+		assert(o);
+		o->~T();
+	}
+
+	struct compare_string
+	{
+		compare_string(char const* s): m_str(s)  {}
+	
+		bool operator()(
+			std::pair<std::string
+			, libtorrent::entry> const& e) const
+		{
+			return m_str && e.first == m_str;
+		}
+		char const* m_str;
+	};
+}
+
+namespace libtorrent
+{
+	namespace detail
+	{
+		TORRENT_EXPORT char const* integer_to_str(char* buf, int size, entry::integer_type val)
+		{
+			int sign = 0;
+			if (val < 0)
+			{
+				sign = 1;
+				val = -val;
+			}
+			buf[--size] = '\0';
+			if (val == 0) buf[--size] = '0';
+			for (; size > sign && val != 0;)
+			{
+				buf[--size] = '0' + char(val % 10);
+				val /= 10;
+			}
+			if (sign) buf[--size] = '-';
+			return buf + size;
+		}
+	}
+
+	entry& entry::operator[](char const* key)
+	{
+		dictionary_type::iterator i = dict().find(key);
+		if (i != dict().end()) return i->second;
+		dictionary_type::iterator ret = dict().insert(
+			dict().begin()
+			, std::make_pair(std::string(key), entry()));
+		return ret->second;
+	}
+
+
+	entry& entry::operator[](std::string const& key)
+	{
+		return (*this)[key.c_str()];
+	}
+
+	entry* entry::find_key(char const* key)
+	{
+		dictionary_type::iterator i = std::find_if(
+			dict().begin()
+			, dict().end()
+			, compare_string(key));
+		if (i == dict().end()) return 0;
+		return &i->second;
+	
+	}
+
+	entry const* entry::find_key(char const* key) const
+	{
+		dictionary_type::const_iterator i = dict().find(key);
+		if (i == dict().end()) return 0;
+		return &i->second;
+	}
+	
+	const entry& entry::operator[](char const* key) const
+	{
+		dictionary_type::const_iterator i = dict().find(key);
+		if (i == dict().end()) throw type_error(
+			(std::string("key not found: ") + key).c_str());
+		return i->second;
+	}
+
+	const entry& entry::operator[](std::string const& key) const
+	{
+		return (*this)[key.c_str()];
+	}
+
+	entry::entry(const dictionary_type& v)
+	{
+		new(data) dictionary_type(v);
+		m_type = dictionary_t;
+	}
+
+	entry::entry(const string_type& v)
+	{
+		new(data) string_type(v);
+		m_type = string_t;
+	}
+
+	entry::entry(const list_type& v)
+	{
+		new(data) list_type(v);
+		m_type = list_t;
+	}
+
+	entry::entry(const integer_type& v)
+	{
+		new(data) integer_type(v);
+		m_type = int_t;
+	}
+
+	void entry::operator=(const dictionary_type& v)
+	{
+		destruct();
+		new(data) dictionary_type(v);
+		m_type = dictionary_t;
+	}
+
+	void entry::operator=(const string_type& v)
+	{
+		destruct();
+		new(data) string_type(v);
+		m_type = string_t;
+	}
+
+	void entry::operator=(const list_type& v)
+	{
+		destruct();
+		new(data) list_type(v);
+		m_type = list_t;
+	}
+
+	void entry::operator=(const integer_type& v)
+	{
+		destruct();
+		new(data) integer_type(v);
+		m_type = int_t;
+	}
+
+	bool entry::operator==(entry const& e) const
+	{
+		if (m_type != e.m_type) return false;
+
+		switch(m_type)
+		{
+		case int_t:
+			return integer() == e.integer();
+		case string_t:
+			return string() == e.string();
+		case list_t:
+			return list() == e.list();
+		case dictionary_t:
+			return dict() == e.dict();
+		default:
+			assert(m_type == undefined_t);
+			return true;
+		}
+	}
+
+	void entry::construct(data_type t)
+	{
+		m_type = t;
+		switch(m_type)
+		{
+		case int_t:
+			new(data) integer_type;
+			break;
+		case string_t:
+			new(data) string_type;
+			break;
+		case list_t:
+			new(data) list_type;
+			break;
+		case dictionary_t:
+			new (data) dictionary_type;
+			break;
+		default:
+			assert(m_type == undefined_t);
+			m_type = undefined_t;
+		}
+	}
+
+	void entry::copy(const entry& e)
+	{
+		m_type = e.m_type;
+		switch(m_type)
+		{
+		case int_t:
+			new(data) integer_type(e.integer());
+			break;
+		case string_t:
+			new(data) string_type(e.string());
+			break;
+		case list_t:
+			new(data) list_type(e.list());
+			break;
+		case dictionary_t:
+			new (data) dictionary_type(e.dict());
+			break;
+		default:
+			m_type = undefined_t;
+		}
+	}
+
+	void entry::destruct()
+	{
+		switch(m_type)
+		{
+		case int_t:
+			call_destructor(reinterpret_cast<integer_type*>(data));
+			break;
+		case string_t:
+			call_destructor(reinterpret_cast<string_type*>(data));
+			break;
+		case list_t:
+			call_destructor(reinterpret_cast<list_type*>(data));
+			break;
+		case dictionary_t:
+			call_destructor(reinterpret_cast<dictionary_type*>(data));
+			break;
+		default:
+			assert(m_type == undefined_t);
+			break;
+		}
+	}
+
+	void entry::print(std::ostream& os, int indent) const
+	{
+		assert(indent >= 0);
+		for (int i = 0; i < indent; ++i) os << " ";
+		switch (m_type)
+		{
+		case int_t:
+			os << integer() << "\n";
+			break;
+		case string_t:
+			{
+				bool binary_string = false;
+				for (std::string::const_iterator i = string().begin(); i != string().end(); ++i)
+				{
+					if (!std::isprint(static_cast<unsigned char>(*i)))
+					{
+						binary_string = true;
+						break;
+					}
+				}
+				if (binary_string)
+				{
+					os.unsetf(std::ios_base::dec);
+					os.setf(std::ios_base::hex);
+					for (std::string::const_iterator i = string().begin(); i != string().end(); ++i)
+						os << std::setfill('0') << std::setw(2)
+							<< static_cast<unsigned int>((unsigned char)*i);
+					os.unsetf(std::ios_base::hex);
+					os.setf(std::ios_base::dec);
+					os << "\n";
+				}
+				else
+				{
+					os << string() << "\n";
+				}
+			} break;
+		case list_t:
+			{
+				os << "list\n";
+				for (list_type::const_iterator i = list().begin(); i != list().end(); ++i)
+				{
+					i->print(os, indent+1);
+				}
+			} break;
+		case dictionary_t:
+			{
+				os << "dictionary\n";
+				for (dictionary_type::const_iterator i = dict().begin(); i != dict().end(); ++i)
+				{
+					for (int j = 0; j < indent+1; ++j) os << " ";
+					os << "[" << i->first << "]";
+					if (i->second.type() != entry::string_t
+						&& i->second.type() != entry::int_t)
+						os << "\n";
+					else os << " ";
+					i->second.print(os, indent+2);
+				}
+			} break;
+		default:
+			os << "<uninitialized>\n";
+		}
+	}
+}
+

library/errorlog.txt

@@ -0,0 +1,6 @@
+Saturday, November, 04, 2006 11:38 AM: Unable to open state.txt, using defaults.
+Saturday, November, 04, 2006 11:38 AM: Cannot find preset.txt, using only standard E tuning
+Saturday, November, 04, 2006 11:38 AM: Cannot find file APSmall.bmp
+Saturday, November, 04, 2006 11:38 AM: Unable to open state.txt, using defaults.
+Saturday, November, 04, 2006 11:38 AM: Cannot find preset.txt, using only standard E tuning
+Saturday, November, 04, 2006 11:38 AM: Cannot find file APSmall.bmp

library/escape_string.cpp

@@ -0,0 +1,148 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include <string>
+#include <cassert>
+#include <stdexcept>
+#include <sstream>
+#include <iomanip>
+#include <cctype>
+#include <algorithm>
+
+namespace libtorrent
+{
+	std::string unescape_string(std::string const& s)
+	{
+		std::string ret;
+		for (std::string::const_iterator i = s.begin(); i != s.end(); ++i)
+		{
+			if(*i == '+')
+			{
+				ret += ' ';
+			}
+			else if (*i != '%')
+			{
+				ret += *i;
+			}
+			else
+			{
+				++i;
+				if (i == s.end())
+					throw std::runtime_error("invalid escaped string");
+
+				int high;
+				if(*i >= '0' && *i <= '9') high = *i - '0';
+				else if(*i >= 'A' && *i <= 'F') high = *i + 10 - 'A';
+				else if(*i >= 'a' && *i <= 'f') high = *i + 10 - 'a';
+				else throw std::runtime_error("invalid escaped string");
+
+				++i;
+				if (i == s.end())
+					throw std::runtime_error("invalid escaped string");
+
+				int low;
+				if(*i >= '0' && *i <= '9') low = *i - '0';
+				else if(*i >= 'A' && *i <= 'F') low = *i + 10 - 'A';
+				else if(*i >= 'a' && *i <= 'f') low = *i + 10 - 'a';
+				else throw std::runtime_error("invalid escaped string");
+
+				ret += char(high * 16 + low);
+			}
+		}
+		return ret;
+	}
+
+
+	std::string escape_string(const char* str, int len)
+	{
+		assert(str != 0);
+		assert(len >= 0);
+		// http://www.ietf.org/rfc/rfc2396.txt
+		// section 2.3
+		// some trackers seems to require that ' is escaped
+//		static const char unreserved_chars[] = "-_.!~*'()";
+		static const char unreserved_chars[] = "-_.!~*()"
+			"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+			"0123456789";
+
+		std::stringstream ret;
+		ret << std::hex << std::setfill('0');
+		for (int i = 0; i < len; ++i)
+		{
+			if (std::count(
+					unreserved_chars
+					, unreserved_chars+sizeof(unreserved_chars)-1
+					, *str))
+			{
+				ret << *str;
+			}
+			else
+			{
+				ret << '%'
+					<< std::setw(2)
+					<< (int)static_cast<unsigned char>(*str);
+			}
+			++str;
+		}
+		return ret.str();
+	}
+	
+	std::string escape_path(const char* str, int len)
+	{
+		assert(str != 0);
+		assert(len >= 0);
+		static const char unreserved_chars[] = "/-_.!~*()"
+			"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+			"0123456789";
+
+		std::stringstream ret;
+		ret << std::hex << std::setfill('0');
+		for (int i = 0; i < len; ++i)
+		{
+			if (std::count(
+					unreserved_chars
+					, unreserved_chars+sizeof(unreserved_chars)-1
+					, *str))
+			{
+				ret << *str;
+			}
+			else
+			{
+				ret << '%'
+					<< std::setw(2)
+					<< (int)static_cast<unsigned char>(*str);
+			}
+			++str;
+		}
+		return ret.str();
+	}
+}

library/file.cpp

@@ -0,0 +1,313 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifdef _WIN32
+// windows part
+#include "libtorrent/utf8.hpp"
+
+#include <io.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#ifndef _MODE_T_
+typedef int mode_t;
+#endif
+
+#ifdef UNICODE
+#include "libtorrent/storage.hpp"
+#endif
+
+#else
+// unix part
+#define _FILE_OFFSET_BITS 64
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <errno.h>
+
+#include <boost/static_assert.hpp>
+// make sure the _FILE_OFFSET_BITS define worked
+// on this platform
+BOOST_STATIC_ASSERT(sizeof(lseek(0, 0, 0)) >= 8);
+
+#endif
+
+#include <boost/filesystem/operations.hpp>
+#include "libtorrent/file.hpp"
+#include <sstream>
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+#ifndef O_RANDOM
+#define O_RANDOM 0
+#endif
+
+#ifdef UNICODE
+#include "libtorrent/storage.hpp"
+#endif
+
+
+namespace fs = boost::filesystem;
+
+namespace
+{
+	enum { mode_in = 1, mode_out = 2 };
+
+	mode_t map_open_mode(int m)
+	{
+		if (m == (mode_in | mode_out)) return O_RDWR | O_CREAT | O_BINARY | O_RANDOM;
+		if (m == mode_out) return O_WRONLY | O_CREAT | O_BINARY | O_RANDOM;
+		if (m == mode_in) return O_RDONLY | O_BINARY | O_RANDOM;
+		assert(false);
+		return 0;
+	}
+
+#ifdef WIN32
+	std::string utf8_native(std::string const& s)
+	{
+		try
+		{
+			std::wstring ws;
+			libtorrent::utf8_wchar(s, ws);
+			std::size_t size = wcstombs(0, ws.c_str(), 0);
+			if (size == std::size_t(-1)) return s;
+			std::string ret;
+			ret.resize(size);
+			size = wcstombs(&ret[0], ws.c_str(), size + 1);
+			if (size == wchar_t(-1)) return s;
+			ret.resize(size);
+			return ret;
+		}
+		catch(std::exception)
+		{
+			return s;
+		}
+	}
+#else
+	std::string utf8_native(std::string const& s)
+	{
+		return s;
+	}
+#endif
+
+}
+
+namespace libtorrent
+{
+
+	const file::open_mode file::in(mode_in);
+	const file::open_mode file::out(mode_out);
+
+	const file::seek_mode file::begin(1);
+	const file::seek_mode file::end(2);
+
+	struct file::impl
+	{
+		impl()
+			: m_fd(-1)
+			, m_open_mode(0)
+		{}
+
+		impl(fs::path const& path, int mode)
+			: m_fd(-1)
+			, m_open_mode(0)
+		{
+			open(path, mode);
+		}
+
+		~impl()
+		{
+			close();
+		}
+
+		void open(fs::path const& path, int mode)
+		{
+			assert(path.is_complete());
+			close();
+#if defined(_WIN32) && defined(UNICODE)
+			std::wstring wpath(safe_convert(path.native_file_string()));
+			m_fd = ::_wopen(
+				wpath.c_str()
+				, map_open_mode(mode)
+				, S_IREAD | S_IWRITE);
+#else
+			m_fd = ::open(
+				utf8_native(path.native_file_string()).c_str()
+				, map_open_mode(mode)
+#ifdef _WIN32
+				, S_IREAD | S_IWRITE);
+#else
+				, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+#endif
+#endif
+			if (m_fd == -1)
+			{
+				std::stringstream msg;
+				msg << "open failed: '" << path.native_file_string() << "'. "
+					<< strerror(errno);
+				throw file_error(msg.str());
+			}
+			m_open_mode = mode;
+		}
+
+		void close()
+		{
+			if (m_fd == -1) return;
+
+			::close(m_fd);
+			m_fd = -1;
+			m_open_mode = 0;
+		}
+
+		size_type read(char* buf, size_type num_bytes)
+		{
+			assert(m_open_mode & mode_in);
+			assert(m_fd != -1);
+
+			size_type ret = ::read(m_fd, buf, num_bytes);
+			if (ret == -1)
+			{
+				std::stringstream msg;
+				msg << "read failed: " << strerror(errno);
+				throw file_error(msg.str());
+			}
+			return ret;
+		}
+
+		size_type write(const char* buf, size_type num_bytes)
+		{
+			assert(m_open_mode & mode_out);
+			assert(m_fd != -1);
+
+			// TODO: Test this a bit more, what happens with random failures in
+			// the files?
+//			if ((rand() % 100) > 80)
+//				throw file_error("debug");
+
+			size_type ret = ::write(m_fd, buf, num_bytes);
+			if (ret == -1)
+			{
+				std::stringstream msg;
+				msg << "write failed: " << strerror(errno);
+				throw file_error(msg.str());
+			}
+			return ret;
+		}
+
+		size_type seek(size_type offset, int m)
+		{
+			assert(m_open_mode);
+			assert(m_fd != -1);
+
+			int seekdir = (m == 1)?SEEK_SET:SEEK_END;
+#ifdef _WIN32
+			size_type ret = _lseeki64(m_fd, offset, seekdir);
+#else
+			size_type ret = lseek(m_fd, offset, seekdir);
+#endif
+
+			// For some strange reason this fails
+			// on win32. Use windows specific file
+			// wrapper instead.
+			if (ret == -1)
+			{
+				std::stringstream msg;
+				msg << "seek failed: '" << strerror(errno)
+					<< "' fd: " << m_fd
+					<< " offset: " << offset
+					<< " seekdir: " << seekdir;
+				throw file_error(msg.str());
+			}
+			return ret;
+		}
+
+		size_type tell()
+		{
+			assert(m_open_mode);
+			assert(m_fd != -1);
+
+#ifdef _WIN32
+			return _telli64(m_fd);
+#else
+			return lseek(m_fd, 0, SEEK_CUR);
+#endif
+		}
+
+		int m_fd;
+		int m_open_mode;
+	};
+
+	// pimpl forwardings
+
+	file::file() : m_impl(new impl()) {}
+
+	file::file(boost::filesystem::path const& p, file::open_mode m)
+		: m_impl(new impl(p, m.m_mask))
+	{}
+
+	file::~file() {}
+
+	void file::open(boost::filesystem::path const& p, file::open_mode m)
+	{
+		m_impl->open(p, m.m_mask);
+	}
+
+	void file::close()
+	{
+		m_impl->close();
+	}
+
+	size_type file::write(const char* buf, size_type num_bytes)
+	{
+		return m_impl->write(buf, num_bytes);
+	}
+
+	size_type file::read(char* buf, size_type num_bytes)
+	{
+		return m_impl->read(buf, num_bytes);
+	}
+
+	size_type file::seek(size_type pos, file::seek_mode m)
+	{
+		return m_impl->seek(pos, m.m_val);
+	}
+
+	size_type file::tell()
+	{
+		return m_impl->tell();
+	}
+
+}

library/http_tracker_connection.cpp

@@ -0,0 +1,845 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include <vector>
+#include <iostream>
+#include <cctype>
+#include <iomanip>
+#include <sstream>
+
+#include "zlib.h"
+
+#ifdef _MSC_VER
+#pragma warning(push, 1)
+#endif
+
+#include <boost/bind.hpp>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#include "libtorrent/tracker_manager.hpp"
+#include "libtorrent/http_tracker_connection.hpp"
+#include "libtorrent/entry.hpp"
+#include "libtorrent/bencode.hpp"
+#include "libtorrent/torrent.hpp"
+#include "libtorrent/io.hpp"
+
+using namespace libtorrent;
+using boost::bind;
+
+namespace
+{
+	enum
+	{
+		minimum_tracker_response_length = 3,
+		http_buffer_size = 2048
+	};
+
+
+	enum
+	{
+		FTEXT = 0x01,
+		FHCRC = 0x02,
+		FEXTRA = 0x04,
+		FNAME = 0x08,
+		FCOMMENT = 0x10,
+		FRESERVED = 0xe0,
+
+		GZIP_MAGIC0 = 0x1f,
+		GZIP_MAGIC1 = 0x8b
+	};
+
+}
+
+using namespace boost::posix_time;
+
+namespace libtorrent
+{
+	http_parser::http_parser()
+		: m_recv_pos(0)
+		, m_status_code(-1)
+		, m_content_length(-1)
+		, m_content_encoding(plain)
+		, m_state(read_status)
+		, m_recv_buffer(0, 0)
+		, m_body_start_pos(0)
+		, m_finished(false)
+	{}
+
+	boost::tuple<int, int> http_parser::incoming(buffer::const_interval recv_buffer)
+	{
+		m_recv_buffer = recv_buffer;
+		boost::tuple<int, int> ret(0, 0);
+
+		char const* pos = recv_buffer.begin + m_recv_pos;
+		if (m_state == read_status)
+		{
+			assert(!m_finished);
+			char const* newline = std::find(pos, recv_buffer.end, '\n');
+			// if we don't have a full line yet, wait.
+			if (newline == recv_buffer.end) return ret;
+
+			if (newline == pos)
+				throw std::runtime_error("unexpected newline in HTTP response");
+
+			std::istringstream line(std::string(pos, newline - 1));
+			++newline;
+			int incoming = (int)std::distance(pos, newline);
+			m_recv_pos += incoming;
+			boost::get<1>(ret) += incoming;
+			pos = newline;
+
+			line >> m_protocol;
+			if (m_protocol.substr(0, 5) != "HTTP/")
+			{
+				throw std::runtime_error("unknown protocol in HTTP response: "
+					+ m_protocol);
+			}
+			line >> m_status_code;
+			std::getline(line, m_server_message);
+			m_state = read_header;
+		}
+
+		if (m_state == read_header)
+		{
+			assert(!m_finished);
+			char const* newline = std::find(pos, recv_buffer.end, '\n');
+			std::string line;
+
+			while (newline != recv_buffer.end && m_state == read_header)
+			{
+				if (newline == pos)
+					throw std::runtime_error("unexpected newline in HTTP response");
+			
+				line.assign(pos, newline - 1);
+				m_recv_pos += newline - pos;
+				boost::get<1>(ret) += newline - pos;
+				pos = newline;
+
+				std::string::size_type separator = line.find(": ");
+				if (separator == std::string::npos)
+				{
+					++pos;
+					++m_recv_pos;
+					boost::get<1>(ret) += 1;
+					
+					m_state = read_body;
+					m_body_start_pos = m_recv_pos;
+					break;
+				}
+
+				std::string name = line.substr(0, separator);
+				std::string value = line.substr(separator + 2, std::string::npos);
+				m_header.insert(std::make_pair(name, value));
+
+				if (name == "Content-Length")
+				{
+					try
+					{
+						m_content_length = boost::lexical_cast<int>(value);
+					}
+					catch(boost::bad_lexical_cast&) {}
+				}
+				else if (name == "Content-Encoding")
+				{
+					if (value == "gzip" || value == "x-gzip")
+					{
+						m_content_encoding = gzip;
+					}
+					else
+					{
+						std::string error_str = "unknown content encoding in response: \"";
+						error_str += value;
+						error_str += "\"";
+						throw std::runtime_error(error_str);
+					}
+				}
+				// TODO: make sure we don't step outside of the buffer
+				++pos;
+				++m_recv_pos;
+				assert(m_recv_pos <= (int)recv_buffer.left());
+				newline = std::find(pos, recv_buffer.end, '\n');
+			}
+		}
+
+		if (m_state == read_body)
+		{
+			int incoming = recv_buffer.end - pos;
+			if (m_recv_pos - m_body_start_pos + incoming > m_content_length
+				&& m_content_length >= 0)
+				incoming = m_content_length - m_recv_pos + m_body_start_pos;
+
+			assert(incoming >= 0);
+			m_recv_pos += incoming;
+			boost::get<0>(ret) += incoming;
+
+			if (m_content_length >= 0
+				&& m_recv_pos - m_body_start_pos >= m_content_length)
+			{
+				m_finished = true;
+			}
+		}
+		return ret;
+	}
+	
+	buffer::const_interval http_parser::get_body()
+	{
+		char const* body_begin = m_recv_buffer.begin + m_body_start_pos;
+		char const* body_end = m_recv_buffer.begin + m_recv_pos;
+
+		m_recv_pos = 0;
+		m_body_start_pos = 0;
+		m_status_code = -1;
+		m_content_length = -1;
+		m_finished = false;
+		m_state = read_status;
+		m_header.clear();
+		
+		return buffer::const_interval(body_begin, body_end);
+	}
+
+	http_tracker_connection::http_tracker_connection(
+		demuxer& d
+		, tracker_manager& man
+		, tracker_request const& req
+		, std::string const& hostname
+		, unsigned short port
+		, std::string request
+		, boost::weak_ptr<request_callback> c
+		, session_settings const& stn
+		, std::string const& auth)
+		: tracker_connection(man, req, d, c)
+		, m_man(man)
+		, m_state(read_status)
+		, m_content_encoding(plain)
+		, m_content_length(0)
+		, m_name_lookup(d)
+		, m_port(port)
+		, m_recv_pos(0)
+		, m_buffer(http_buffer_size)
+		, m_settings(stn)
+		, m_password(auth)
+		, m_code(0)
+		, m_timed_out(false)
+	{
+		const std::string* connect_to_host;
+		bool using_proxy = false;
+
+		m_send_buffer.assign("GET ");
+
+		// should we use the proxy?
+		if (!m_settings.proxy_ip.empty())
+		{
+			connect_to_host = &m_settings.proxy_ip;
+			using_proxy = true;
+			m_send_buffer += "http://";
+			m_send_buffer += hostname;
+			if (port != 80)
+			{
+				m_send_buffer += ":";
+				m_send_buffer += boost::lexical_cast<std::string>(port);
+			}
+			m_port = m_settings.proxy_port != 0
+				? m_settings.proxy_port : 80 ;
+		}
+		else
+		{
+			connect_to_host = &hostname;
+		}
+
+		if (tracker_req().kind == tracker_request::scrape_request)
+		{
+			// find and replace "announce" with "scrape"
+			// in request
+
+			std::size_t pos = request.find("announce");
+			if (pos == std::string::npos)
+				throw std::runtime_error("scrape is not available on url: '"
+				+ tracker_req().url +"'");
+			request.replace(pos, 8, "scrape");
+		}
+
+		m_send_buffer += request;
+
+		// if request-string already contains
+		// some parameters, append an ampersand instead
+		// of a question mark
+		if (request.find('?') != std::string::npos)
+			m_send_buffer += "&";
+		else
+			m_send_buffer += "?";
+
+		m_send_buffer += "info_hash=";
+		m_send_buffer += escape_string(
+			reinterpret_cast<const char*>(req.info_hash.begin()), 20);
+
+		if (tracker_req().kind == tracker_request::announce_request)
+		{
+			m_send_buffer += "&peer_id=";
+			m_send_buffer += escape_string(
+				reinterpret_cast<const char*>(req.pid.begin()), 20);
+
+			m_send_buffer += "&port=";
+			m_send_buffer += boost::lexical_cast<std::string>(req.listen_port);
+
+			m_send_buffer += "&uploaded=";
+			m_send_buffer += boost::lexical_cast<std::string>(req.uploaded);
+
+			m_send_buffer += "&downloaded=";
+			m_send_buffer += boost::lexical_cast<std::string>(req.downloaded);
+
+			m_send_buffer += "&left=";
+			m_send_buffer += boost::lexical_cast<std::string>(req.left);
+
+			if (req.event != tracker_request::none)
+			{
+				const char* event_string[] = {"completed", "started", "stopped"};
+				m_send_buffer += "&event=";
+				m_send_buffer += event_string[req.event - 1];
+			}
+			m_send_buffer += "&key=";
+			std::stringstream key_string;
+			key_string << std::hex << req.key;
+			m_send_buffer += key_string.str();
+			m_send_buffer += "&compact=1";
+			m_send_buffer += "&numwant=";
+			m_send_buffer += boost::lexical_cast<std::string>(
+				std::min(req.num_want, 999));
+
+			// extension that tells the tracker that
+			// we don't need any peer_id's in the response
+			m_send_buffer += "&no_peer_id=1";
+		}
+
+		m_send_buffer += " HTTP/1.0\r\nAccept-Encoding: gzip\r\n"
+			"User-Agent: ";
+		m_send_buffer += m_settings.user_agent;
+		m_send_buffer += "\r\n"
+			"Host: ";
+		m_send_buffer += hostname;
+		if (port != 80)
+		{
+			m_send_buffer += ':';
+			m_send_buffer += boost::lexical_cast<std::string>(port);
+		}
+		if (using_proxy && !m_settings.proxy_login.empty())
+		{
+			m_send_buffer += "\r\nProxy-Authorization: Basic ";
+			m_send_buffer += base64encode(m_settings.proxy_login + ":" + m_settings.proxy_password);
+		}
+		if (auth != "")
+		{
+			m_send_buffer += "\r\nAuthorization: Basic ";
+			m_send_buffer += base64encode(auth);
+		}
+		m_send_buffer += "\r\n\r\n";
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+		if (has_requester())
+		{
+			requester().debug_log("==> TRACKER_REQUEST [ str: " + m_send_buffer + " ]");
+			std::stringstream info_hash_str;
+			info_hash_str << req.info_hash;
+			requester().debug_log("info_hash: " + info_hash_str.str() + "\n");
+		}
+#endif
+
+		tcp::resolver::query q(*connect_to_host, "0");
+		m_name_lookup.async_resolve(q
+			, boost::bind(&http_tracker_connection::name_lookup, self(), _1, _2));
+		set_timeout(m_settings.tracker_completion_timeout
+			, m_settings.tracker_receive_timeout);
+	}
+
+	void http_tracker_connection::on_timeout()
+	{
+		m_timed_out = true;
+		m_socket.reset();
+		m_name_lookup.cancel();
+		fail_timeout();
+	}
+
+	void http_tracker_connection::name_lookup(asio::error const& error
+		, tcp::resolver::iterator i) try
+	{
+		if (error == asio::error::operation_aborted) return;
+		if (m_timed_out) return;
+
+		if (error || i == tcp::resolver::iterator())
+		{
+			fail(-1, error.what());
+			return;
+		}
+		
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+		if (has_requester()) requester().debug_log("tracker name lookup successful");
+#endif
+		restart_read_timeout();
+		m_socket.reset(new stream_socket(m_name_lookup.io_service()));
+		tcp::endpoint a(i->endpoint().address(), m_port);
+		if (has_requester()) requester().m_tracker_address = a;
+		m_socket->async_connect(a, bind(&http_tracker_connection::connected, self(), _1));
+	}
+	catch (std::exception& e)
+	{
+		assert(false);
+		fail(-1, e.what());
+	};
+
+	void http_tracker_connection::connected(asio::error const& error) try
+	{
+		if (error == asio::error::operation_aborted) return;
+		if (m_timed_out) return;
+		if (error)
+		{
+			fail(-1, error.what());
+			return;
+		}
+
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+		if (has_requester()) requester().debug_log("tracker connection successful");
+#endif
+
+		restart_read_timeout();
+		async_write(*m_socket, asio::buffer(m_send_buffer.c_str()
+			, m_send_buffer.size()), bind(&http_tracker_connection::sent
+			, self(), _1));
+	}
+	catch (std::exception& e)
+	{
+		assert(false);
+		fail(-1, e.what());
+	}
+
+	void http_tracker_connection::sent(asio::error const& error) try
+	{
+		if (error == asio::error::operation_aborted) return;
+		if (m_timed_out) return;
+		if (error)
+		{
+			fail(-1, error.what());
+			return;
+		}
+
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+		if (has_requester()) requester().debug_log("tracker send data completed");
+#endif
+		restart_read_timeout();
+		assert(m_buffer.size() - m_recv_pos > 0);
+		m_socket->async_read_some(asio::buffer(&m_buffer[m_recv_pos]
+			, m_buffer.size() - m_recv_pos), bind(&http_tracker_connection::receive
+			, self(), _1, _2));
+	}
+	catch (std::exception& e)
+	{
+		assert(false);
+		fail(-1, e.what());
+	}; // msvc 7.1 seems to require this semi-colon
+
+	
+	void http_tracker_connection::receive(asio::error const& error
+		, std::size_t bytes_transferred) try
+	{
+		if (error == asio::error::operation_aborted) return;
+		if (m_timed_out) return;
+
+		if (error)
+		{
+			if (error == asio::error::eof)
+			{
+				on_response();
+				close();
+				return;
+			}
+
+			fail(-1, error.what());
+			return;
+		}
+
+		restart_read_timeout();
+		assert(bytes_transferred > 0);
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+		if (has_requester()) requester().debug_log("tracker connection reading "
+			+ boost::lexical_cast<std::string>(bytes_transferred));
+#endif
+
+		m_recv_pos += bytes_transferred;
+
+		// if the receive buffer is full, expand it with http_buffer_size
+		if ((int)m_buffer.size() == m_recv_pos)
+		{
+			if ((int)m_buffer.size() >= m_settings.tracker_maximum_response_length)
+			{
+				fail(200, "too large tracker response");
+				return;
+			}
+			assert(http_buffer_size > 0);
+			if ((int)m_buffer.size() + http_buffer_size
+				> m_settings.tracker_maximum_response_length)
+				m_buffer.resize(m_settings.tracker_maximum_response_length);
+			else
+				m_buffer.resize(m_buffer.size() + http_buffer_size);
+		}
+
+		if (m_state == read_status)
+		{
+			std::vector<char>::iterator end = m_buffer.begin()+m_recv_pos;
+			std::vector<char>::iterator newline = std::find(m_buffer.begin(), end, '\n');
+			// if we don't have a full line yet, wait.
+			if (newline != end)
+			{
+
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+				if (has_requester()) requester().debug_log(std::string(m_buffer.begin(), newline));
+#endif
+
+				std::istringstream line(std::string(m_buffer.begin(), newline));
+				++newline;
+				m_recv_pos -= (int)std::distance(m_buffer.begin(), newline);
+				m_buffer.erase(m_buffer.begin(), newline);
+
+				std::string protocol;
+				line >> m_server_protocol;
+				if (m_server_protocol.substr(0, 5) != "HTTP/")
+				{
+					std::string error_msg = "unknown protocol in response: " + m_server_protocol;
+					fail(-1, error_msg.c_str());
+					return;
+				}
+				line >> m_code;
+				std::getline(line, m_server_message);
+				m_state = read_header;
+			}
+		}
+
+		if (m_state == read_header)
+		{
+			std::vector<char>::iterator end = m_buffer.begin() + m_recv_pos;
+			std::vector<char>::iterator newline
+				= std::find(m_buffer.begin(), end, '\n');
+			std::string line;
+
+			while (newline != end && m_state == read_header)
+			{
+				line.assign(m_buffer.begin(), newline);
+
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+				if (has_requester()) requester().debug_log(line);
+#endif
+
+				if (line.substr(0, 16) == "Content-Length: ")
+				{
+					try
+					{
+						m_content_length = boost::lexical_cast<int>(
+							line.substr(16, line.length() - 17));
+					}
+					catch(boost::bad_lexical_cast&)
+					{
+						fail(-1, "invalid content-length in tracker response");
+						return;
+					}
+					if (m_content_length > m_settings.tracker_maximum_response_length)
+					{
+						fail(-1, "content-length is greater than maximum response length");
+						return;
+					}
+
+					if (m_content_length < minimum_tracker_response_length && m_code == 200)
+					{
+						fail(-1, "content-length is smaller than minimum response length");
+						return;
+					}
+				}
+				else if (line.substr(0, 18) == "Content-Encoding: ")
+				{
+					if (line.substr(18, 4) == "gzip" || line.substr(18, 6) == "x-gzip")
+					{
+						m_content_encoding = gzip;
+					}
+					else
+					{
+						std::string error_str = "unknown content encoding in response: \"";
+						error_str += line.substr(18, line.length() - 18 - 2);
+						error_str += "\"";
+						fail(-1, error_str.c_str());
+						return;
+					}
+				}
+				else if (line.substr(0, 10) == "Location: ")
+				{
+					m_location.assign(line.begin() + 10, line.end());
+				}
+				else if (line.substr(0, 7) == "Server: ")
+				{
+					m_server.assign(line.begin() + 7, line.end());
+				}
+				else if (line.size() < 3)
+				{
+					m_state = read_body;
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+					if (has_requester()) requester().debug_log("end of http header");
+#endif
+					if (m_code >= 300 && m_code < 400)
+					{
+						if (m_location.empty())
+						{
+							std::string error_str = "got redirection response (";
+							error_str += boost::lexical_cast<std::string>(m_code);
+							error_str += ") without 'Location' header";
+							fail(-1, error_str.c_str());
+							return;
+						}
+
+#if defined(TORRENT_VERBOSE_LOGGING) || defined(TORRENT_LOGGING)
+						if (has_requester()) requester().debug_log("Redirecting to \"" + m_location + "\"");
+#endif
+						tracker_request req = tracker_req();
+						std::string::size_type i = m_location.find('?');
+						if (i == std::string::npos)
+							req.url = m_location;
+						else
+							req.url.assign(m_location.begin(), m_location.begin() + i);
+
+						m_man.queue_request(m_socket->io_service(), req
+							, m_password, m_requester);
+						close();
+						return;
+					}
+				}
+
+				++newline;
+				assert(m_recv_pos <= (int)m_buffer.size());
+				m_recv_pos -= (int)std::distance(m_buffer.begin(), newline);
+				m_buffer.erase(m_buffer.begin(), newline);
+				assert(m_recv_pos <= (int)m_buffer.size());
+				end = m_buffer.begin() + m_recv_pos;
+				newline = std::find(m_buffer.begin(), end, '\n');
+			}
+
+		}
+
+		if (m_state == read_body)
+		{
+			if (m_recv_pos == m_content_length)
+			{
+				on_response();
+				close();
+				return;
+			}
+		}
+		else if (m_recv_pos > m_content_length && m_content_length > 0)
+		{
+			fail(-1, "invalid tracker response (body > content_length)");
+			return;
+		}
+
+		assert(m_buffer.size() - m_recv_pos > 0);
+		m_socket->async_read_some(asio::buffer(&m_buffer[m_recv_pos]
+			, m_buffer.size() - m_recv_pos), bind(&http_tracker_connection::receive
+			, self(), _1, _2));
+	}
+	catch (std::exception& e)
+	{
+		assert(false);
+		fail(-1, e.what());
+	};
+	
+	void http_tracker_connection::on_response()
+	{
+		// GZIP
+		if (m_content_encoding == gzip)
+		{
+			boost::shared_ptr<request_callback> r = m_requester.lock();
+			
+			if (!r)
+			{
+				close();
+				return;
+			}
+			if (inflate_gzip(m_buffer, tracker_request(), r.get(),
+				m_settings.tracker_maximum_response_length))
+			{
+				close();
+				return;
+			}
+		}
+
+		// handle tracker response
+		try
+		{
+			entry e = bdecode(m_buffer.begin(), m_buffer.end());
+			parse(e);
+		}
+		catch (std::exception& e)
+		{
+			std::string error_str(e.what());
+			error_str += ": ";
+			error_str.append(m_buffer.begin(), m_buffer.end());
+			fail(m_code, error_str.c_str());
+		}
+		#ifndef NDEBUG
+		catch (...)
+		{
+			assert(false);
+		}
+		#endif
+	}
+
+	peer_entry http_tracker_connection::extract_peer_info(const entry& info)
+	{
+		peer_entry ret;
+
+		// extract peer id (if any)
+		entry const* i = info.find_key("peer id");
+		if (i != 0)
+		{
+			if (i->string().length() != 20)
+				throw std::runtime_error("invalid response from tracker");
+			std::copy(i->string().begin(), i->string().end(), ret.pid.begin());
+		}
+		else
+		{
+			// if there's no peer_id, just initialize it to a bunch of zeroes
+			std::fill_n(ret.pid.begin(), 20, 0);
+		}
+
+		// extract ip
+		i = info.find_key("ip");
+		if (i == 0) throw std::runtime_error("invalid response from tracker");
+		ret.ip = i->string();
+
+		// extract port
+		i = info.find_key("port");
+		if (i == 0) throw std::runtime_error("invalid response from tracker");
+		ret.port = (unsigned short)i->integer();
+
+		return ret;
+	}
+
+	void http_tracker_connection::parse(entry const& e)
+	{
+		if (!has_requester()) return;
+
+		try
+		{
+			// parse the response
+			try
+			{
+				entry const& failure = e["failure reason"];
+
+				fail(m_code, failure.string().c_str());
+				return;
+			}
+			catch (type_error const&) {}
+
+			try
+			{
+				entry const& warning = e["warning message"];
+				if (has_requester())
+					requester().tracker_warning(warning.string());
+			}
+			catch(type_error const&) {}
+			
+			std::vector<peer_entry> peer_list;
+
+			if (tracker_req().kind == tracker_request::scrape_request)
+			{
+				std::string ih;
+				std::copy(tracker_req().info_hash.begin(), tracker_req().info_hash.end()
+					, std::back_inserter(ih));
+				entry scrape_data = e["files"][ih];
+				int complete = scrape_data["complete"].integer();
+				int incomplete = scrape_data["incomplete"].integer();
+				requester().tracker_response(tracker_request(), peer_list, 0, complete
+					, incomplete);
+				return;
+			}
+
+			int interval = (int)e["interval"].integer();
+
+			if (e["peers"].type() == entry::string_t)
+			{
+				std::string const& peers = e["peers"].string();
+				for (std::string::const_iterator i = peers.begin();
+					i != peers.end();)
+				{
+					if (std::distance(i, peers.end()) < 6) break;
+
+					peer_entry p;
+					p.pid.clear();
+					std::stringstream ip_str;
+					ip_str << (int)detail::read_uint8(i) << ".";
+					ip_str << (int)detail::read_uint8(i) << ".";
+					ip_str << (int)detail::read_uint8(i) << ".";
+					ip_str << (int)detail::read_uint8(i);
+					p.ip = ip_str.str();
+					p.port = detail::read_uint16(i);
+					peer_list.push_back(p);
+				}
+			}
+			else
+			{
+				entry::list_type const& l = e["peers"].list();
+				for(entry::list_type::const_iterator i = l.begin(); i != l.end(); ++i)
+				{
+					peer_entry p = extract_peer_info(*i);
+					peer_list.push_back(p);
+				}
+			}
+
+			// look for optional scrape info
+			int complete = -1;
+			int incomplete = -1;
+
+			try { complete = e["complete"].integer(); }
+			catch(type_error&) {}
+
+			try { incomplete = e["incomplete"].integer(); }
+			catch(type_error&) {}
+			
+			requester().tracker_response(tracker_request(), peer_list, interval, complete
+				, incomplete);
+		}
+		catch(type_error& e)
+		{
+			requester().tracker_request_error(tracker_request(), m_code, e.what());
+		}
+		catch(std::runtime_error& e)
+		{
+			requester().tracker_request_error(tracker_request(), m_code, e.what());
+		}
+	}
+
+}
+

library/identify_client.cpp

@@ -0,0 +1,326 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#include <cctype>
+#include <algorithm>
+
+#ifdef _MSC_VER
+#pragma warning(push, 1)
+#endif
+
+#include <boost/optional.hpp>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#include "libtorrent/identify_client.hpp"
+#include "libtorrent/fingerprint.hpp"
+
+namespace
+{
+
+	using namespace libtorrent;
+
+	int decode_digit(char c)
+	{
+		if (std::isdigit(c)) return c - '0';
+		return unsigned(c) - 'A' + 10;
+	}
+
+	// takes a peer id and returns a valid boost::optional
+	// object if the peer id matched the azureus style encoding
+	// the returned fingerprint contains information about the
+	// client's id
+	boost::optional<fingerprint> parse_az_style(const peer_id& id)
+	{
+		fingerprint ret("..", 0, 0, 0, 0);
+
+		if (id[0] != '-' || !std::isprint(id[1]) || (id[2] < '0')
+			|| (id[3] < '0') || (id[4] < '0')
+			|| (id[5] < '0') || (id[6] < '0')
+			|| id[7] != '-')
+			return boost::optional<fingerprint>();
+
+		ret.name[0] = id[1];
+		ret.name[1] = id[2];
+		ret.major_version = decode_digit(id[3]);
+		ret.minor_version = decode_digit(id[4]);
+		ret.revision_version = decode_digit(id[5]);
+		ret.tag_version = decode_digit(id[6]);
+
+		return boost::optional<fingerprint>(ret);
+	}
+
+	// checks if a peer id can possibly contain a shadow-style
+	// identification
+	boost::optional<fingerprint> parse_shadow_style(const peer_id& id)
+	{
+		fingerprint ret("..", 0, 0, 0, 0);
+
+		if (!std::isalnum(id[0]))
+			return boost::optional<fingerprint>();
+
+		if (std::equal(id.begin()+4, id.begin()+6, "--"))
+		{
+			if ((id[1] < '0') || (id[2] < '0')
+				|| (id[3] < '0'))
+				return boost::optional<fingerprint>();
+			ret.major_version = decode_digit(id[1]);
+			ret.minor_version = decode_digit(id[2]);
+			ret.revision_version = decode_digit(id[3]);
+		}
+		else
+		{
+			if (id[8] != 0 || id[1] > 127 || id[2] > 127 || id[3] > 127)
+				return boost::optional<fingerprint>();
+			ret.major_version = id[1];
+			ret.minor_version = id[2];
+			ret.revision_version = id[3];
+		}
+
+		ret.name[0] = id[0];
+		ret.name[1] = 0;
+
+		ret.tag_version = 0;
+		return boost::optional<fingerprint>(ret);
+	}
+
+	// checks if a peer id can possibly contain a mainline-style
+	// identification
+	boost::optional<fingerprint> parse_mainline_style(const peer_id& id)
+	{
+		char ids[21];
+		std::copy(id.begin(), id.end(), ids);
+		ids[20] = 0;
+		fingerprint ret("..", 0, 0, 0, 0);
+		ret.name[1] = 0;
+		ret.tag_version = 0;
+		if (sscanf(ids, "%c%d-%d-%d--", &ret.name[0], &ret.major_version, &ret.minor_version
+			, &ret.revision_version) != 4
+			|| !std::isprint(ret.name[0]))
+			return boost::optional<fingerprint>();
+
+		return boost::optional<fingerprint>(ret);
+	}
+
+	typedef std::pair<char const*, char const*> map_entry;
+
+	// only support BitTorrentSpecification
+	// must be ordered alphabetically
+	map_entry name_map[] =
+	{
+		map_entry("A",  "ABC")
+		, map_entry("AR", "Arctic Torrent")
+		, map_entry("AX", "BitPump")
+		, map_entry("AZ", "Azureus")
+		, map_entry("BB", "BitBuddy")
+		, map_entry("BC", "BitComet")
+		, map_entry("BS", "BTSlave")
+		, map_entry("BX", "BittorrentX")
+		, map_entry("CD", "Enhanced CTorrent")
+		, map_entry("CT", "CTorrent")
+		, map_entry("DE", "Deluge")
+		, map_entry("ES", "electric sheep")
+		, map_entry("KT", "KTorrent")
+		, map_entry("LP", "lphant")
+		, map_entry("LT", "libtorrent")
+		, map_entry("M",  "Mainline")
+		, map_entry("MP", "MooPolice")
+		, map_entry("MT", "Moonlight Torrent")
+		, map_entry("O",  "Osprey Permaseed")
+		, map_entry("R",  "Tribler")
+		, map_entry("S",  "Shadow")
+		, map_entry("SB", "Swiftbit")
+		, map_entry("SN", "ShareNet")
+		, map_entry("SS", "SwarmScope")
+		, map_entry("SZ", "Shareaza")
+		, map_entry("T",  "BitTornado")
+		, map_entry("TN", "Torrent.NET")
+		, map_entry("TR", "Transmission")
+		, map_entry("TS", "TorrentStorm")
+		, map_entry("U",  "UPnP")
+		, map_entry("UL", "uLeecher")
+		, map_entry("UT", "MicroTorrent")
+		, map_entry("XT", "XanTorrent")
+		, map_entry("ZT", "ZipTorrent")
+		, map_entry("lt", "libTorrent (libtorrent.rakshasa.no/)")
+		, map_entry("pX", "pHoeniX")
+		, map_entry("qB", "qBittorrent")
+	};
+
+	bool compare_first_string(map_entry const& lhs, map_entry const& rhs)
+	{
+		return lhs.first[0] < rhs.first[0]
+			|| ((lhs.first[0] == rhs.first[0]) && (lhs.first[1] < rhs.first[1]));
+	}
+
+	std::string lookup(fingerprint const& f)
+	{
+		std::stringstream identity;
+
+		const int size = sizeof(name_map)/sizeof(name_map[0]);
+		map_entry* i =
+			std::lower_bound(name_map, name_map + size
+				, map_entry(f.name, ""), &compare_first_string);
+
+#ifndef NDEBUG
+		for (int i = 1; i < size; ++i)
+		{
+			assert(compare_first_string(name_map[i-1]
+				, name_map[i]));
+		}
+#endif
+
+		if (i < name_map + size && std::equal(f.name, f.name + 2, i->first))
+			identity << i->second;
+		else
+		{
+			identity << f.name[0];
+			if (f.name[1] != 0) identity << f.name[1];
+		}
+
+		identity << " " << (int)f.major_version
+			<< "." << (int)f.minor_version
+			<< "." << (int)f.revision_version;
+
+		if (f.name[1] != 0)
+			identity << "." << (int)f.tag_version;
+
+		return identity.str();
+	}
+
+	bool find_string(unsigned char const* id, char const* search)
+	{
+		return std::equal(search, search + std::strlen(search), id);
+	}
+}
+
+namespace libtorrent
+{
+
+	boost::optional<fingerprint> client_fingerprint(peer_id const& p)
+	{
+		// look for azureus style id
+		boost::optional<fingerprint> f;
+		f = parse_az_style(p);
+		if (f) return f;
+
+		// look for shadow style id
+		f = parse_shadow_style(p);
+		if (f) return f;
+
+		// look for mainline style id
+		f = parse_mainline_style(p);
+		if (f) return f;
+		return f;
+	}
+
+	std::string identify_client(peer_id const& p)
+	{
+		peer_id::const_iterator PID = p.begin();
+		boost::optional<fingerprint> f;
+
+		if (p.is_all_zeros()) return "Unknown";
+
+		// ----------------------
+		// non standard encodings
+		// ----------------------
+
+		if (find_string(PID, "Deadman Walking-")) return "Deadman";
+		if (find_string(PID + 5, "Azureus")) return "Azureus 2.0.3.2";
+		if (find_string(PID, "DansClient")) return "XanTorrent";
+		if (find_string(PID + 4, "btfans")) return "SimpleBT";
+		if (find_string(PID, "PRC.P---")) return "Bittorrent Plus! II";
+		if (find_string(PID, "P87.P---")) return "Bittorrent Plus!";
+		if (find_string(PID, "S587Plus")) return "Bittorrent Plus!";
+		if (find_string(PID, "martini")) return "Martini Man";
+		if (find_string(PID, "Plus---")) return "Bittorrent Plus";
+		if (find_string(PID, "turbobt")) return "TurboBT";
+		if (find_string(PID, "a00---0")) return "Swarmy";
+		if (find_string(PID, "a02---0")) return "Swarmy";
+		if (find_string(PID, "T00---0")) return "Teeweety";
+		if (find_string(PID, "BTDWV-")) return "Deadman Walking";
+		if (find_string(PID + 2, "BS")) return "BitSpirit";
+		if (find_string(PID, "btuga")) return "BTugaXP";
+		if (find_string(PID, "oernu")) return "BTugaXP";
+		if (find_string(PID, "Mbrst")) return "Burst!";
+		if (find_string(PID, "Plus")) return "Plus!";
+		if (find_string(PID, "-Qt-")) return "Qt";
+		if (find_string(PID, "exbc")) return "BitComet";
+		if (find_string(PID, "-G3")) return "G3 Torrent";
+		if (find_string(PID, "XBT")) return "XBT";
+		if (find_string(PID, "OP")) return "Opera";
+
+		if (find_string(PID, "-BOW") && PID[7] == '-')
+			return "Bits on Wheels " + std::string(PID + 4, PID + 7);
+		
+
+		if (find_string(PID, "eX"))
+		{
+			std::string user(PID + 2, PID + 14);
+			return std::string("eXeem ('") + user.c_str() + "')"; 
+		}
+
+		if (std::equal(PID, PID + 13, "\0\0\0\0\0\0\0\0\0\0\0\0\x97"))
+			return "Experimental 3.2.1b2";
+
+		if (std::equal(PID, PID + 13, "\0\0\0\0\0\0\0\0\0\0\0\0\0"))
+			return "Experimental 3.1";
+
+		
+		// look for azureus style id
+		f = parse_az_style(p);
+		if (f) return lookup(*f);
+
+		// look for shadow style id
+		f = parse_shadow_style(p);
+		if (f) return lookup(*f);
+
+		// look for mainline style id
+		f = parse_mainline_style(p);
+		if (f) return lookup(*f);
+														
+		
+		if (std::equal(PID, PID + 12, "\0\0\0\0\0\0\0\0\0\0\0\0"))
+			return "Generic";
+
+		std::string unknown("Unknown [");
+		for (peer_id::const_iterator i = p.begin(); i != p.end(); ++i)
+		{
+			unknown += std::isprint(*i)?*i:'.';
+		}
+		unknown += "]";
+		return unknown;
+	}
+
+}

library/include/libtorrent/alert.hpp

@@ -0,0 +1,174 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg, Daniel Wallin
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TORRENT_ALERT_HPP_INCLUDED
+#define TORRENT_ALERT_HPP_INCLUDED
+
+#include <memory>
+#include <queue>
+#include <string>
+#include <cassert>
+#include <typeinfo>
+
+#ifdef _MSC_VER
+#pragma warning(push, 1)
+#endif
+
+#include <boost/thread/mutex.hpp>
+
+#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
+#include <boost/preprocessor/repetition/enum.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/enum_shifted_params.hpp>
+#include <boost/date_time/posix_time/posix_time.hpp>
+
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+
+#include "libtorrent/config.hpp"
+
+#define TORRENT_MAX_ALERT_TYPES 10
+
+namespace libtorrent {
+
+	class TORRENT_EXPORT alert
+	{
+	public:
+		enum severity_t { debug, info, warning, critical, fatal, none };
+
+		alert(severity_t severity, const std::string& msg);
+		virtual ~alert();
+
+		// a timestamp is automatically created in the constructor
+		boost::posix_time::ptime timestamp() const;
+
+		const std::string& msg() const;
+
+		severity_t severity() const;
+
+		virtual std::auto_ptr<alert> clone() const = 0;
+
+	private:
+		std::string m_msg;
+		severity_t m_severity;
+		boost::posix_time::ptime m_timestamp;
+	};
+
+	class TORRENT_EXPORT alert_manager
+	{
+	public:
+		alert_manager();
+		~alert_manager();
+
+		void post_alert(const alert& alert_);
+		bool pending() const;
+		std::auto_ptr<alert> get();
+
+		void set_severity(alert::severity_t severity);
+		bool should_post(alert::severity_t severity) const;
+
+	private:
+		std::queue<alert*> m_alerts;
+		alert::severity_t m_severity;
+		mutable boost::mutex m_mutex;
+	};
+
+	struct TORRENT_EXPORT unhandled_alert : std::exception
+	{
+		unhandled_alert() {}
+	};
+
+	namespace detail {
+
+		struct void_;
+
+		template<
+			class Handler
+		  , BOOST_PP_ENUM_PARAMS(TORRENT_MAX_ALERT_TYPES, class T)
+		  >
+		void handle_alert_dispatch(
+				const std::auto_ptr<alert>& alert_
+			  , const Handler& handler
+			  , const std::type_info& typeid_
+			  , BOOST_PP_ENUM_BINARY_PARAMS(TORRENT_MAX_ALERT_TYPES, T, *p))
+		{
+			if (typeid_ == typeid(T0))
+				handler(*static_cast<T0*>(alert_.get()));
+			else
+				handle_alert_dispatch(
+					alert_
+				  , handler
+				  , typeid_
+				  , BOOST_PP_ENUM_SHIFTED_PARAMS(TORRENT_MAX_ALERT_TYPES, p), (void_*)0
+				);
+		}
+
+		template<class Handler>
+		void handle_alert_dispatch(
+				const std::auto_ptr<alert>& alert_
+			  , const Handler& handler
+			  , const std::type_info& typeid_
+			  , BOOST_PP_ENUM_PARAMS(TORRENT_MAX_ALERT_TYPES, void_* BOOST_PP_INTERCEPT))
+		{
+			throw unhandled_alert();
+		}
+
+	} // namespace detail
+
+	template<
+	  	BOOST_PP_ENUM_PARAMS_WITH_A_DEFAULT(TORRENT_MAX_ALERT_TYPES, class T, detail::void_)
+	  >
+	struct TORRENT_EXPORT handle_alert
+	{
+		template<class Handler>
+		handle_alert(
+			const std::auto_ptr<alert>& alert_
+		  , const Handler& handler)
+		{
+			#define ALERT_POINTER_TYPE(z, n, text) (BOOST_PP_CAT(T, n)*)0
+
+			detail::handle_alert_dispatch(
+				alert_
+			  , handler
+			  , typeid(*alert_)
+			  , BOOST_PP_ENUM(TORRENT_MAX_ALERT_TYPES, ALERT_POINTER_TYPE, _)
+			);
+
+			#undef ALERT_POINTER_TYPE
+		}
+	};
+
+} // namespace libtorrent
+
+#endif // TORRENT_ALERT_HPP_INCLUDED
+

library/include/libtorrent/alert_types.hpp

@@ -0,0 +1,300 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TORRENT_ALERT_TYPES_HPP_INCLUDED
+#define TORRENT_ALERT_TYPES_HPP_INCLUDED
+
+#include "libtorrent/alert.hpp"
+#include "libtorrent/torrent_handle.hpp"
+#include "libtorrent/socket.hpp"
+#include "libtorrent/peer_connection.hpp"
+#include "libtorrent/config.hpp"
+
+namespace libtorrent
+{
+	struct TORRENT_EXPORT tracker_alert: alert
+	{
+		tracker_alert(torrent_handle const& h
+			, int times
+			, int status
+			, std::string const& msg)
+			: alert(alert::warning, msg)
+			, handle(h)
+			, times_in_row(times)
+			, status_code(status)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new tracker_alert(*this)); }
+
+		torrent_handle handle;
+		int times_in_row;
+		int status_code;
+	};
+
+	struct TORRENT_EXPORT tracker_warning_alert: alert
+	{
+		tracker_warning_alert(torrent_handle const& h
+			, std::string const& msg)
+			: alert(alert::warning, msg)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new tracker_warning_alert(*this)); }
+
+		torrent_handle handle;
+	};
+
+
+	
+	struct TORRENT_EXPORT tracker_reply_alert: alert
+	{
+		tracker_reply_alert(torrent_handle const& h
+			, std::string const& msg)
+			: alert(alert::info, msg)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new tracker_reply_alert(*this)); }
+
+		torrent_handle handle;
+	};
+
+	struct TORRENT_EXPORT tracker_announce_alert: alert
+	{
+		tracker_announce_alert(torrent_handle const& h, std::string const& msg)
+			: alert(alert::info, msg)
+			, handle(h)
+		{}
+	
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new tracker_announce_alert(*this)); }
+		
+		torrent_handle handle;
+	};
+	
+	struct TORRENT_EXPORT hash_failed_alert: alert
+	{
+		hash_failed_alert(
+			torrent_handle const& h
+			, int index
+			, std::string const& msg)
+			: alert(alert::info, msg)
+			, handle(h)
+			, piece_index(index)
+		{ assert(index >= 0);}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new hash_failed_alert(*this)); }
+
+		torrent_handle handle;
+		int piece_index;
+	};
+
+	struct TORRENT_EXPORT peer_ban_alert: alert
+	{
+		peer_ban_alert(tcp::endpoint const& pip, torrent_handle h, std::string const& msg)
+			: alert(alert::info, msg)
+			, ip(pip)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new peer_ban_alert(*this)); }
+
+		tcp::endpoint ip;
+		torrent_handle handle;
+	};
+
+	struct TORRENT_EXPORT peer_error_alert: alert
+	{
+		peer_error_alert(tcp::endpoint const& pip, peer_id const& pid_, std::string const& msg)
+			: alert(alert::debug, msg)
+			, ip(pip)
+			, pid(pid_)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new peer_error_alert(*this)); }
+
+		tcp::endpoint ip;
+		peer_id pid;
+	};
+
+	struct TORRENT_EXPORT chat_message_alert: alert
+	{
+		chat_message_alert(
+			const torrent_handle& h
+			, const tcp::endpoint& sender
+			, const std::string& msg)
+			: alert(alert::critical, msg)
+			, handle(h)
+			, ip(sender)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new chat_message_alert(*this)); }
+
+		torrent_handle handle;
+		tcp::endpoint ip;
+	};
+
+	struct TORRENT_EXPORT invalid_request_alert: alert
+	{
+		invalid_request_alert(
+			peer_request const& r
+			, torrent_handle const& h
+			, tcp::endpoint const& sender
+			, peer_id const& pid_
+			, std::string const& msg)
+			: alert(alert::debug, msg)
+			, handle(h)
+			, ip(sender)
+			, request(r)
+			, pid(pid_)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new invalid_request_alert(*this)); }
+
+		torrent_handle handle;
+		tcp::endpoint ip;
+		peer_request request;
+		peer_id pid;
+	};
+
+	struct TORRENT_EXPORT torrent_finished_alert: alert
+	{
+		torrent_finished_alert(
+			const torrent_handle& h
+			, const std::string& msg)
+			: alert(alert::warning, msg)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new torrent_finished_alert(*this)); }
+
+		torrent_handle handle;
+	};
+
+	struct TORRENT_EXPORT url_seed_alert: alert
+	{
+		url_seed_alert(
+			const std::string& url_
+			, const std::string& msg)
+			: alert(alert::warning, msg)
+			, url(url_)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new url_seed_alert(*this)); }
+
+		std::string url;
+	};
+
+	struct TORRENT_EXPORT file_error_alert: alert
+	{
+		file_error_alert(
+			const torrent_handle& h
+			, const std::string& msg)
+			: alert(alert::fatal, msg)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new file_error_alert(*this)); }
+
+		torrent_handle handle;
+	};
+
+	struct TORRENT_EXPORT metadata_failed_alert: alert
+	{
+		metadata_failed_alert(
+			const torrent_handle& h
+			, const std::string& msg)
+			: alert(alert::info, msg)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new metadata_failed_alert(*this)); }
+
+		torrent_handle handle;
+	};
+	
+	struct TORRENT_EXPORT metadata_received_alert: alert
+	{
+		metadata_received_alert(
+			const torrent_handle& h
+			, const std::string& msg)
+			: alert(alert::info, msg)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new metadata_received_alert(*this)); }
+
+		torrent_handle handle;
+	};
+
+	struct TORRENT_EXPORT listen_failed_alert: alert
+	{
+		listen_failed_alert(
+			const std::string& msg)
+			: alert(alert::fatal, msg)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new listen_failed_alert(*this)); }
+	};
+
+	struct TORRENT_EXPORT fastresume_rejected_alert: alert
+	{
+		fastresume_rejected_alert(torrent_handle const& h
+			, std::string const& msg)
+			: alert(alert::warning, msg)
+			, handle(h)
+		{}
+
+		virtual std::auto_ptr<alert> clone() const
+		{ return std::auto_ptr<alert>(new fastresume_rejected_alert(*this)); }
+
+		torrent_handle handle;
+	};
+
+}
+
+
+#endif

library/include/libtorrent/allocate_resources.hpp

@@ -0,0 +1,72 @@
+/*
+
+Copyright (c) 2003, Magnus Jonsson
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the distribution.
+    * Neither the name of the author nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
+#ifndef TORRENT_ALLOCATE_RESOURCES_HPP_INCLUDED
+#define TORRENT_ALLOCATE_RESOURCES_HPP_INCLUDED
+
+#include <map>
+#include <utility>
+
+#include <boost/shared_ptr.hpp>
+
+#include "libtorrent/resource_request.hpp"
+#include "libtorrent/peer_id.hpp"
+#include "libtorrent/socket.hpp"
+
+namespace libtorrent
+{
+	class peer_connection;
+	class torrent;
+
+	int saturated_add(int a, int b);
+
+	// Function to allocate a limited resource fairly among many consumers.
+	// It takes into account the current use, and the consumer's desired use.
+	// Should be invoked periodically to allow it adjust to the situation (make
+	// sure "used" is updated between calls!).
+	// If resources = std::numeric_limits<int>::max() it means there is an infinite
+	// supply of resources (so everyone can get what they want).
+
+	void allocate_resources(
+		int resources
+		, std::map<sha1_hash, boost::shared_ptr<torrent> >& torrents
+		, resource_request torrent::* res);
+
+	void allocate_resources(
+		int resources
+		, std::map<tcp::endpoint, peer_connection*>& connections
+		, resource_request peer_connection::* res);
+
+}
+
+
+#endif

library/include/libtorrent/asio.hpp

@@ -0,0 +1,71 @@
+//
+// asio.hpp
+// ~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_HPP
+#define ASIO_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/basic_datagram_socket.hpp"
+#include "asio/basic_deadline_timer.hpp"
+#include "asio/basic_io_object.hpp"
+#include "asio/basic_resolver.hpp"
+#include "asio/basic_socket_acceptor.hpp"
+#include "asio/basic_socket_iostream.hpp"
+#include "asio/basic_socket_streambuf.hpp"
+#include "asio/basic_stream_socket.hpp"
+#include "asio/basic_streambuf.hpp"
+#include "asio/buffer.hpp"
+#include "asio/buffered_read_stream_fwd.hpp"
+#include "asio/buffered_read_stream.hpp"
+#include "asio/buffered_stream_fwd.hpp"
+#include "asio/buffered_stream.hpp"
+#include "asio/buffered_write_stream_fwd.hpp"
+#include "asio/buffered_write_stream.hpp"
+#include "asio/completion_condition.hpp"
+#include "asio/datagram_socket_service.hpp"
+#include "asio/deadline_timer_service.hpp"
+#include "asio/deadline_timer.hpp"
+#include "asio/error_handler.hpp"
+#include "asio/error.hpp"
+#include "asio/handler_alloc_hook.hpp"
+#include "asio/handler_invoke_hook.hpp"
+#include "asio/io_service.hpp"
+#include "asio/ip/address.hpp"
+#include "asio/ip/address_v4.hpp"
+#include "asio/ip/address_v6.hpp"
+#include "asio/ip/basic_endpoint.hpp"
+#include "asio/ip/basic_resolver_entry.hpp"
+#include "asio/ip/basic_resolver_iterator.hpp"
+#include "asio/ip/basic_resolver_query.hpp"
+#include "asio/ip/host_name.hpp"
+#include "asio/ip/multicast.hpp"
+#include "asio/ip/resolver_query_base.hpp"
+#include "asio/ip/tcp.hpp"
+#include "asio/ip/udp.hpp"
+#include "asio/is_read_buffered.hpp"
+#include "asio/is_write_buffered.hpp"
+#include "asio/placeholders.hpp"
+#include "asio/read.hpp"
+#include "asio/read_until.hpp"
+#include "asio/resolver_service.hpp"
+#include "asio/socket_acceptor_service.hpp"
+#include "asio/socket_base.hpp"
+#include "asio/strand.hpp"
+#include "asio/stream_socket_service.hpp"
+#include "asio/streambuf.hpp"
+#include "asio/system_exception.hpp"
+#include "asio/thread.hpp"
+#include "asio/time_traits.hpp"
+#include "asio/write.hpp"
+
+#endif // ASIO_HPP

library/include/libtorrent/asio/basic_datagram_socket.hpp

@@ -0,0 +1,802 @@
+//
+// basic_datagram_socket.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_DATAGRAM_SOCKET_HPP
+#define ASIO_BASIC_DATAGRAM_SOCKET_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/basic_socket.hpp"
+#include "asio/datagram_socket_service.hpp"
+#include "asio/error_handler.hpp"
+
+namespace asio {
+
+/// Provides datagram-oriented socket functionality.
+/**
+ * The basic_datagram_socket class template provides asynchronous and blocking
+ * datagram-oriented socket functionality.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Object, Error_Source.
+ */
+template <typename Protocol,
+    typename Service = datagram_socket_service<Protocol> >
+class basic_datagram_socket
+  : public basic_socket<Protocol, Service>
+{
+public:
+  /// The native representation of a socket.
+  typedef typename Service::native_type native_type;
+
+  /// The protocol type.
+  typedef Protocol protocol_type;
+
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  /// Construct a basic_datagram_socket without opening it.
+  /**
+   * This constructor creates a datagram socket without opening it. The open()
+   * function must be called before data can be sent or received on the socket.
+   *
+   * @param io_service The io_service object that the datagram socket will use
+   * to dispatch handlers for any asynchronous operations performed on the
+   * socket.
+   */
+  explicit basic_datagram_socket(asio::io_service& io_service)
+    : basic_socket<Protocol, Service>(io_service)
+  {
+  }
+
+  /// Construct and open a basic_datagram_socket.
+  /**
+   * This constructor creates and opens a datagram socket.
+   *
+   * @param io_service The io_service object that the datagram socket will use
+   * to dispatch handlers for any asynchronous operations performed on the
+   * socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_datagram_socket(asio::io_service& io_service,
+      const protocol_type& protocol)
+    : basic_socket<Protocol, Service>(io_service, protocol)
+  {
+  }
+
+  /// Construct a basic_datagram_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a datagram socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param io_service The io_service object that the datagram socket will use
+   * to dispatch handlers for any asynchronous operations performed on the
+   * socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the datagram
+   * socket will be bound.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_datagram_socket(asio::io_service& io_service,
+      const endpoint_type& endpoint)
+    : basic_socket<Protocol, Service>(io_service, endpoint)
+  {
+  }
+
+  /// Construct a basic_datagram_socket on an existing native socket.
+  /**
+   * This constructor creates a datagram socket object to hold an existing
+   * native socket.
+   *
+   * @param io_service The io_service object that the datagram socket will use
+   * to dispatch handlers for any asynchronous operations performed on the
+   * socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_datagram_socket(asio::io_service& io_service,
+      const protocol_type& protocol, const native_type& native_socket)
+    : basic_socket<Protocol, Service>(io_service, protocol, native_socket)
+  {
+  }
+
+  /// Send some data on a connected socket.
+  /**
+   * This function is used to send data on the datagram socket. The function
+   * call will block until the data has been sent successfully or an error
+   * occurs.
+   *
+   * @param buffers One ore more data buffers to be sent on the socket.
+   *
+   * @returns The number of bytes sent.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note The send operation can only be used with a connected socket. Use
+   * the send_to function to send data on an unconnected datagram socket.
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code socket.send(asio::buffer(data, size)); @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers>
+  std::size_t send(const Const_Buffers& buffers)
+  {
+    return this->service.send(this->implementation, buffers, 0, throw_error());
+  }
+
+  /// Send some data on a connected socket.
+  /**
+   * This function is used to send data on the datagram socket. The function
+   * call will block until the data has been sent successfully or an error
+   * occurs.
+   *
+   * @param buffers One ore more data buffers to be sent on the socket.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @returns The number of bytes sent.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note The send operation can only be used with a connected socket. Use
+   * the send_to function to send data on an unconnected datagram socket.
+   */
+  template <typename Const_Buffers>
+  std::size_t send(const Const_Buffers& buffers,
+      socket_base::message_flags flags)
+  {
+    return this->service.send(this->implementation, buffers, flags,
+        throw_error());
+  }
+
+  /// Send some data on a connected socket.
+  /**
+   * This function is used to send data on the datagram socket. The function
+   * call will block until the data has been sent successfully or an error
+   * occurs.
+   *
+   * @param buffers One or more data buffers to be sent on the socket.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes sent.
+   *
+   * @note The send operation can only be used with a connected socket. Use
+   * the send_to function to send data on an unconnected datagram socket.
+   */
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t send(const Const_Buffers& buffers,
+      socket_base::message_flags flags, Error_Handler error_handler)
+  {
+    return this->service.send(this->implementation, buffers, flags,
+        error_handler);
+  }
+
+  /// Start an asynchronous send on a connected socket.
+  /**
+   * This function is used to send data on the datagram socket. The function
+   * call will block until the data has been sent successfully or an error
+   * occurs.
+   *
+   * @param buffers One or more data buffers to be sent on the socket. Although
+   * the buffers object may be copied as necessary, ownership of the underlying
+   * memory blocks is retained by the caller, which must guarantee that they
+   * remain valid until the handler is called.
+   *
+   * @param handler The handler to be called when the send operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes sent.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The async_send operation can only be used with a connected socket.
+   * Use the async_send_to function to send data on an unconnected datagram
+   * socket.
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.async_send(asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers, typename Handler>
+  void async_send(const Const_Buffers& buffers, Handler handler)
+  {
+    this->service.async_send(this->implementation, buffers, 0, handler);
+  }
+
+  /// Start an asynchronous send on a connected socket.
+  /**
+   * This function is used to send data on the datagram socket. The function
+   * call will block until the data has been sent successfully or an error
+   * occurs.
+   *
+   * @param buffers One or more data buffers to be sent on the socket. Although
+   * the buffers object may be copied as necessary, ownership of the underlying
+   * memory blocks is retained by the caller, which must guarantee that they
+   * remain valid until the handler is called.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @param handler The handler to be called when the send operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes sent.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The async_send operation can only be used with a connected socket.
+   * Use the async_send_to function to send data on an unconnected datagram
+   * socket.
+   */
+  template <typename Const_Buffers, typename Handler>
+  void async_send(const Const_Buffers& buffers,
+      socket_base::message_flags flags, Handler handler)
+  {
+    this->service.async_send(this->implementation, buffers, flags, handler);
+  }
+
+  /// Send a datagram to the specified endpoint.
+  /**
+   * This function is used to send a datagram to the specified remote endpoint.
+   * The function call will block until the data has been sent successfully or
+   * an error occurs.
+   *
+   * @param buffers One or more data buffers to be sent to the remote endpoint.
+   *
+   * @param destination The remote endpoint to which the data will be sent.
+   *
+   * @returns The number of bytes sent.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code
+   * asio::ip::udp::endpoint destination(
+   *     asio::ip::address::from_string("1.2.3.4"), 12345);
+   * socket.send_to(asio::buffer(data, size), destination);
+   * @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers>
+  std::size_t send_to(const Const_Buffers& buffers,
+      const endpoint_type& destination)
+  {
+    return this->service.send_to(this->implementation, buffers, destination, 0,
+        throw_error());
+  }
+
+  /// Send a datagram to the specified endpoint.
+  /**
+   * This function is used to send a datagram to the specified remote endpoint.
+   * The function call will block until the data has been sent successfully or
+   * an error occurs.
+   *
+   * @param buffers One or more data buffers to be sent to the remote endpoint.
+   *
+   * @param destination The remote endpoint to which the data will be sent.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @returns The number of bytes sent.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  template <typename Const_Buffers>
+  std::size_t send_to(const Const_Buffers& buffers,
+      const endpoint_type& destination, socket_base::message_flags flags)
+  {
+    return this->service.send_to(this->implementation, buffers, destination,
+        flags, throw_error());
+  }
+
+  /// Send a datagram to the specified endpoint.
+  /**
+   * This function is used to send a datagram to the specified remote endpoint.
+   * The function call will block until the data has been sent successfully or
+   * an error occurs.
+   *
+   * @param buffers One or more data buffers to be sent to the remote endpoint.
+   *
+   * @param destination The remote endpoint to which the data will be sent.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes sent.
+   */
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t send_to(const Const_Buffers& buffers,
+      const endpoint_type& destination, socket_base::message_flags flags,
+      Error_Handler error_handler)
+  {
+    return this->service.send_to(this->implementation, buffers, destination,
+        flags, error_handler);
+  }
+
+  /// Start an asynchronous send.
+  /**
+   * This function is used to asynchronously send a datagram to the specified
+   * remote endpoint. The function call always returns immediately.
+   *
+   * @param buffers One or more data buffers to be sent to the remote endpoint.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param destination The remote endpoint to which the data will be sent.
+   * Copies will be made of the endpoint as required.
+   *
+   * @param handler The handler to be called when the send operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes sent.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code
+   * asio::ip::udp::endpoint destination(
+   *     asio::ip::address::from_string("1.2.3.4"), 12345);
+   * socket.async_send_to(
+   *     asio::buffer(data, size), destination, handler);
+   * @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers, typename Handler>
+  void async_send_to(const Const_Buffers& buffers,
+      const endpoint_type& destination, Handler handler)
+  {
+    this->service.async_send_to(this->implementation, buffers, destination, 0,
+        handler);
+  }
+
+  /// Start an asynchronous send.
+  /**
+   * This function is used to asynchronously send a datagram to the specified
+   * remote endpoint. The function call always returns immediately.
+   *
+   * @param buffers One or more data buffers to be sent to the remote endpoint.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @param destination The remote endpoint to which the data will be sent.
+   * Copies will be made of the endpoint as required.
+   *
+   * @param handler The handler to be called when the send operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes sent.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   */
+  template <typename Const_Buffers, typename Handler>
+  void async_send_to(const Const_Buffers& buffers,
+      const endpoint_type& destination, socket_base::message_flags flags,
+      Handler handler)
+  {
+    this->service.async_send_to(this->implementation, buffers, destination,
+        flags, handler);
+  }
+
+  /// Receive some data on a connected socket.
+  /**
+   * This function is used to receive data on the datagram socket. The function
+   * call will block until data has been received successfully or an error
+   * occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @returns The number of bytes received.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note The receive operation can only be used with a connected socket. Use
+   * the receive_from function to receive data on an unconnected datagram
+   * socket.
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code socket.receive(asio::buffer(data, size)); @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t receive(const Mutable_Buffers& buffers)
+  {
+    return this->service.receive(this->implementation, buffers, 0,
+        throw_error());
+  }
+
+  /// Receive some data on a connected socket.
+  /**
+   * This function is used to receive data on the datagram socket. The function
+   * call will block until data has been received successfully or an error
+   * occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @returns The number of bytes received.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note The receive operation can only be used with a connected socket. Use
+   * the receive_from function to receive data on an unconnected datagram
+   * socket.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t receive(const Mutable_Buffers& buffers,
+      socket_base::message_flags flags)
+  {
+    return this->service.receive(this->implementation, buffers, flags,
+        throw_error());
+  }
+
+  /// Receive some data on a connected socket.
+  /**
+   * This function is used to receive data on the datagram socket. The function
+   * call will block until data has been received successfully or an error
+   * occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes received.
+   *
+   * @note The receive operation can only be used with a connected socket. Use
+   * the receive_from function to receive data on an unconnected datagram
+   * socket.
+   */
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t receive(const Mutable_Buffers& buffers,
+      socket_base::message_flags flags, Error_Handler error_handler)
+  {
+    return this->service.receive(this->implementation, buffers, flags,
+        error_handler);
+  }
+
+  /// Start an asynchronous receive on a connected socket.
+  /**
+   * This function is used to asynchronously receive data from the datagram
+   * socket. The function call always returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param handler The handler to be called when the receive operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes received.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The async_receive operation can only be used with a connected socket.
+   * Use the async_receive_from function to receive data on an unconnected
+   * datagram socket.
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code
+   * socket.async_receive(asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive(const Mutable_Buffers& buffers, Handler handler)
+  {
+    this->service.async_receive(this->implementation, buffers, 0, handler);
+  }
+
+  /// Start an asynchronous receive on a connected socket.
+  /**
+   * This function is used to asynchronously receive data from the datagram
+   * socket. The function call always returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @param handler The handler to be called when the receive operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes received.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The async_receive operation can only be used with a connected socket.
+   * Use the async_receive_from function to receive data on an unconnected
+   * datagram socket.
+   */
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive(const Mutable_Buffers& buffers,
+      socket_base::message_flags flags, Handler handler)
+  {
+    this->service.async_receive(this->implementation, buffers, flags, handler);
+  }
+
+  /// Receive a datagram with the endpoint of the sender.
+  /**
+   * This function is used to receive a datagram. The function call will block
+   * until data has been received successfully or an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @param sender_endpoint An endpoint object that receives the endpoint of
+   * the remote sender of the datagram.
+   *
+   * @returns The number of bytes received.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code
+   * asio::ip::udp::endpoint sender_endpoint;
+   * socket.receive_from(
+   *     asio::buffer(data, size), sender_endpoint);
+   * @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t receive_from(const Mutable_Buffers& buffers,
+      endpoint_type& sender_endpoint)
+  {
+    return this->service.receive_from(this->implementation, buffers,
+        sender_endpoint, 0, throw_error());
+  }
+  
+  /// Receive a datagram with the endpoint of the sender.
+  /**
+   * This function is used to receive a datagram. The function call will block
+   * until data has been received successfully or an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @param sender_endpoint An endpoint object that receives the endpoint of
+   * the remote sender of the datagram.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @returns The number of bytes received.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t receive_from(const Mutable_Buffers& buffers,
+      endpoint_type& sender_endpoint, socket_base::message_flags flags)
+  {
+    return this->service.receive_from(this->implementation, buffers,
+        sender_endpoint, flags, throw_error());
+  }
+  
+  /// Receive a datagram with the endpoint of the sender.
+  /**
+   * This function is used to receive a datagram. The function call will block
+   * until data has been received successfully or an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @param sender_endpoint An endpoint object that receives the endpoint of
+   * the remote sender of the datagram.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes received.
+   */
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t receive_from(const Mutable_Buffers& buffers,
+      endpoint_type& sender_endpoint, socket_base::message_flags flags,
+      Error_Handler error_handler)
+  {
+    return this->service.receive_from(this->implementation, buffers,
+        sender_endpoint, flags, error_handler);
+  }
+
+  /// Start an asynchronous receive.
+  /**
+   * This function is used to asynchronously receive a datagram. The function
+   * call always returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param sender_endpoint An endpoint object that receives the endpoint of
+   * the remote sender of the datagram. Ownership of the sender_endpoint object
+   * is retained by the caller, which must guarantee that it is valid until the
+   * handler is called.
+   *
+   * @param handler The handler to be called when the receive operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes received.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code socket.async_receive_from(
+   *     asio::buffer(data, size), 0, sender_endpoint, handler); @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive_from(const Mutable_Buffers& buffers,
+      endpoint_type& sender_endpoint, Handler handler)
+  {
+    this->service.async_receive_from(this->implementation, buffers,
+        sender_endpoint, 0, handler);
+  }
+
+  /// Start an asynchronous receive.
+  /**
+   * This function is used to asynchronously receive a datagram. The function
+   * call always returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param sender_endpoint An endpoint object that receives the endpoint of
+   * the remote sender of the datagram. Ownership of the sender_endpoint object
+   * is retained by the caller, which must guarantee that it is valid until the
+   * handler is called.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @param handler The handler to be called when the receive operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes received.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   */
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive_from(const Mutable_Buffers& buffers,
+      endpoint_type& sender_endpoint, socket_base::message_flags flags,
+      Handler handler)
+  {
+    this->service.async_receive_from(this->implementation, buffers,
+        sender_endpoint, flags, handler);
+  }
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_DATAGRAM_SOCKET_HPP

library/include/libtorrent/asio/basic_deadline_timer.hpp

@@ -0,0 +1,309 @@
+//
+// basic_deadline_timer.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_DEADLINE_TIMER_HPP
+#define ASIO_BASIC_DEADLINE_TIMER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/basic_io_object.hpp"
+#include "asio/deadline_timer_service.hpp"
+#include "asio/error.hpp"
+
+namespace asio {
+
+/// Provides waitable timer functionality.
+/**
+ * The basic_deadline_timer class template provides the ability to perform a
+ * blocking or asynchronous wait for a timer to expire.
+ *
+ * Most applications will use the asio::deadline_timer typedef.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Object, Error_Source.
+ *
+ * @sa @ref deadline_timer_reset
+ *
+ * @par Examples:
+ * Performing a blocking wait:
+ * @code
+ * // Construct a timer without setting an expiry time.
+ * asio::deadline_timer timer(io_service);
+ *
+ * // Set an expiry time relative to now.
+ * timer.expires_from_now(boost::posix_time::seconds(5));
+ *
+ * // Wait for the timer to expire.
+ * timer.wait();
+ * @endcode
+ *
+ * @par 
+ * Performing an asynchronous wait:
+ * @code
+ * void handler(const asio::error& error)
+ * {
+ *   if (!error)
+ *   {
+ *     // Timer expired.
+ *   }
+ * }
+ *
+ * ...
+ *
+ * // Construct a timer with an absolute expiry time.
+ * asio::deadline_timer timer(io_service,
+ *     boost::posix_time::time_from_string("2005-12-07 23:59:59.000"));
+ *
+ * // Start an asynchronous wait.
+ * timer.async_wait(handler);
+ * @endcode
+ */
+template <typename Time_Type,
+    typename Time_Traits = asio::time_traits<Time_Type>,
+    typename Service = deadline_timer_service<Time_Type, Time_Traits> >
+class basic_deadline_timer
+  : public basic_io_object<Service>
+{
+public:
+  /// The type used for reporting errors.
+  typedef asio::error error_type;
+
+  /// The time traits type.
+  typedef Time_Traits traits_type;
+
+  /// The time type.
+  typedef typename traits_type::time_type time_type;
+
+  /// The duration type.
+  typedef typename traits_type::duration_type duration_type;
+
+  /// Constructor.
+  /**
+   * This constructor creates a timer without setting an expiry time. The
+   * expires_at() or expires_from_now() functions must be called to set an
+   * expiry time before the timer can be waited on.
+   *
+   * @param io_service The io_service object that the timer will use to dispatch
+   * handlers for any asynchronous operations performed on the timer.
+   */
+  explicit basic_deadline_timer(asio::io_service& io_service)
+    : basic_io_object<Service>(io_service)
+  {
+  }
+
+  /// Constructor to set a particular expiry time as an absolute time.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param io_service The io_service object that the timer will use to dispatch
+   * handlers for any asynchronous operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, expressed
+   * as an absolute time.
+   */
+  basic_deadline_timer(asio::io_service& io_service,
+      const time_type& expiry_time)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.expires_at(this->implementation, expiry_time);
+  }
+
+  /// Constructor to set a particular expiry time relative to now.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param io_service The io_service object that the timer will use to dispatch
+   * handlers for any asynchronous operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, relative to
+   * now.
+   */
+  basic_deadline_timer(asio::io_service& io_service,
+      const duration_type& expiry_time)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.expires_from_now(this->implementation, expiry_time);
+  }
+
+  /// Cancel any asynchronous operations that are waiting on the timer.
+  /**
+   * This function forces the completion of any pending asynchronous wait
+   * operations against the timer. The handler for each cancelled operation will
+   * be invoked with the asio::error::operation_aborted error code.
+   *
+   * Cancelling the timer does not change the expiry time.
+   *
+   * @return The number of asynchronous operations that were cancelled.
+   */
+  std::size_t cancel()
+  {
+    return this->service.cancel(this->implementation);
+  }
+
+  /// Get the timer's expiry time as an absolute time.
+  /**
+   * This function may be used to obtain the timer's current expiry time.
+   * Whether the timer has expired or not does not affect this value.
+   */
+  time_type expires_at() const
+  {
+    return this->service.expires_at(this->implementation);
+  }
+
+  /// Set the timer's expiry time as an absolute time.
+  /**
+   * This function sets the expiry time. Any pending asynchronous wait
+   * operations will be cancelled. The handler for each cancelled operation will
+   * be invoked with the asio::error::operation_aborted error code.
+   *
+   * See @ref deadline_timer_reset for more information on altering the expiry
+   * time of an active timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer.
+   *
+   * @return The number of asynchronous operations that were cancelled.
+   */
+  std::size_t expires_at(const time_type& expiry_time)
+  {
+    return this->service.expires_at(this->implementation, expiry_time);
+  }
+
+  /// Get the timer's expiry time relative to now.
+  /**
+   * This function may be used to obtain the timer's current expiry time.
+   * Whether the timer has expired or not does not affect this value.
+   */
+  duration_type expires_from_now() const
+  {
+    return this->service.expires_from_now(this->implementation);
+  }
+
+  /// Set the timer's expiry time relative to now.
+  /**
+   * This function sets the expiry time. Any pending asynchronous wait
+   * operations will be cancelled. The handler for each cancelled operation will
+   * be invoked with the asio::error::operation_aborted error code.
+   *
+   * See @ref deadline_timer_reset for more information on altering the expiry
+   * time of an active timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer.
+   *
+   * @return The number of asynchronous operations that were cancelled.
+   */
+  std::size_t expires_from_now(const duration_type& expiry_time)
+  {
+    return this->service.expires_from_now(this->implementation, expiry_time);
+  }
+
+  /// Perform a blocking wait on the timer.
+  /**
+   * This function is used to wait for the timer to expire. This function
+   * blocks and does not return until the timer has expired.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  void wait()
+  {
+    this->service.wait(this->implementation);
+  }
+
+  /// Start an asynchronous wait on the timer.
+  /**
+   * This function may be used to initiate an asynchronous wait against the
+   * timer. It always returns immediately.
+   *
+   * For each call to async_wait(), the supplied handler will be called exactly
+   * once. The handler will be called when:
+   *
+   * @li The timer has expired.
+   *
+   * @li The timer was cancelled, in which case the handler is passed the error
+   * code asio::error::operation_aborted.
+   *
+   * @param handler The handler to be called when the timer expires. Copies
+   * will be made of the handler as required. The function signature of the
+   * handler must be:
+   * @code void handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   */
+  template <typename Handler>
+  void async_wait(Handler handler)
+  {
+    this->service.async_wait(this->implementation, handler);
+  }
+};
+
+/**
+ * @page deadline_timer_reset Changing an active deadline_timer's expiry time
+ *
+ * Changing the expiry time of a timer while there are pending asynchronous
+ * waits causes those wait operations to be cancelled. To ensure that the action
+ * associated with the timer is performed only once, use something like this:
+ * used:
+ *
+ * @code
+ * void on_some_event()
+ * {
+ *   if (my_timer.expires_from_now(seconds(5)) > 0)
+ *   {
+ *     // We managed to cancel the timer. Start new asynchronous wait.
+ *     my_timer.async_wait(on_timeout);
+ *   }
+ *   else
+ *   {
+ *     // Too late, timer has already expired!
+ *   }
+ * }
+ *
+ * void on_timeout(const asio::error& e)
+ * {
+ *   if (e != asio::error::operation_aborted)
+ *   {
+ *     // Timer was not cancelled, take necessary action.
+ *   }
+ * }
+ * @endcode
+ *
+ * @li The asio::basic_deadline_timer::expires_from_now() function
+ * cancels any pending asynchronous waits, and returns the number of
+ * asynchronous waits that were cancelled. If it returns 0 then you were too
+ * late and the wait handler has already been executed, or will soon be
+ * executed. If it returns 1 then the wait handler was successfully cancelled.
+ *
+ * @li If a wait handler is cancelled, the asio::error passed to it
+ * contains the value asio::error::operation_aborted.
+ *
+ * @sa asio::basic_deadline_timer
+ */
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_DEADLINE_TIMER_HPP

library/include/libtorrent/asio/basic_io_object.hpp

@@ -0,0 +1,75 @@
+//
+// basic_io_object.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_IO_OBJECT_HPP
+#define ASIO_BASIC_IO_OBJECT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+
+/// Base class for all I/O objects.
+template <typename Service>
+class basic_io_object
+  : private noncopyable
+{
+public:
+  /// The type of the service that will be used to provide I/O operations.
+  typedef Service service_type;
+
+  /// The underlying implementation type of I/O object.
+  typedef typename service_type::implementation_type implementation_type;
+
+  /// Get the io_service associated with the object.
+  /**
+   * This function may be used to obtain the io_service object that the I/O
+   * object uses to dispatch handlers for asynchronous operations.
+   *
+   * @return A reference to the io_service object that the I/O object will use
+   * to dispatch handlers. Ownership is not transferred to the caller.
+   */
+  asio::io_service& io_service()
+  {
+    return service.io_service();
+  }
+
+protected:
+  /// Construct a basic_io_object.
+  explicit basic_io_object(asio::io_service& io_service)
+    : service(asio::use_service<Service>(io_service))
+  {
+    service.construct(implementation);
+  }
+
+  /// Protected destructor to prevent deletion through this type.
+  ~basic_io_object()
+  {
+    service.destroy(implementation);
+  }
+
+  // The backend service implementation.
+  service_type& service;
+
+  // The underlying native implementation.
+  implementation_type implementation;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_IO_OBJECT_HPP

library/include/libtorrent/asio/basic_resolver.hpp

@@ -0,0 +1,252 @@
+//
+// basic_resolver.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_RESOLVER_HPP
+#define ASIO_BASIC_RESOLVER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/basic_io_object.hpp"
+#include "asio/error.hpp"
+#include "asio/error_handler.hpp"
+#include "asio/resolver_service.hpp"
+
+namespace asio {
+
+/// Provides endpoint resolution functionality.
+/**
+ * The basic_resolver class template provides the ability to resolve a query
+ * to a list of endpoints.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Object, Error_Source.
+ */
+template <typename Protocol, typename Service = resolver_service<Protocol> >
+class basic_resolver
+  : public basic_io_object<Service>
+{
+public:
+  /// The protocol type.
+  typedef Protocol protocol_type;
+
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  /// The query type.
+  typedef typename Protocol::resolver_query query;
+
+  /// The iterator type.
+  typedef typename Protocol::resolver_iterator iterator;
+
+  /// The type used for reporting errors.
+  typedef asio::error error_type;
+
+  /// Constructor.
+  /**
+   * This constructor creates a basic_resolver.
+   *
+   * @param io_service The io_service object that the resolver will use to
+   * dispatch handlers for any asynchronous operations performed on the timer.
+   */
+  explicit basic_resolver(asio::io_service& io_service)
+    : basic_io_object<Service>(io_service)
+  {
+  }
+
+  /// Cancel any asynchronous operations that are waiting on the resolver.
+  /**
+   * This function forces the completion of any pending asynchronous
+   * operations on the host resolver. The handler for each cancelled operation
+   * will be invoked with the asio::error::operation_aborted error code.
+   */
+  void cancel()
+  {
+    return this->service.cancel(this->implementation);
+  }
+
+  /// Resolve a query to a list of entries.
+  /**
+   * This function is used to resolve a query into a list of endpoint entries.
+   *
+   * @param q A query object that determines what endpoints will be returned.
+   *
+   * @returns A forward-only iterator that can be used to traverse the list
+   * of endpoint entries.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note A default constructed iterator represents the end of the list.
+   *
+   * @note A successful call to this function is guaranteed to return at least
+   * one entry.
+   */
+  iterator resolve(const query& q)
+  {
+    return this->service.resolve(this->implementation, q, throw_error());
+  }
+
+  /// Resolve a query to a list of entries.
+  /**
+   * This function is used to resolve a query into a list of endpoint entries.
+   *
+   * @param q A query object that determines what endpoints will be returned.
+   *
+   * @returns A forward-only iterator that can be used to traverse the list
+   * of endpoint entries. Returns a default constructed iterator if an error
+   * occurs.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @note A default constructed iterator represents the end of the list.
+   *
+   * @note A successful call to this function is guaranteed to return at least
+   * one entry.
+   */
+  template <typename Error_Handler>
+  iterator resolve(const query& q, Error_Handler error_handler)
+  {
+    return this->service.resolve(this->implementation, q, error_handler);
+  }
+
+  /// Asynchronously resolve a query to a list of entries.
+  /**
+   * This function is used to asynchronously resolve a query into a list of
+   * endpoint entries.
+   *
+   * @param q A query object that determines what endpoints will be returned.
+   *
+   * @param handler The handler to be called when the resolve operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,   // Result of operation.
+   *   resolver::iterator iterator // Forward-only iterator that can be used to
+   *                               // traverse the list of endpoint entries.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note A default constructed iterator represents the end of the list.
+   *
+   * @note A successful resolve operation is guaranteed to pass at least one
+   * entry to the handler.
+   */
+  template <typename Handler>
+  void async_resolve(const query& q, Handler handler)
+  {
+    return this->service.async_resolve(this->implementation, q, handler);
+  }
+
+  /// Resolve an endpoint to a list of entries.
+  /**
+   * This function is used to resolve an endpoint into a list of endpoint
+   * entries.
+   *
+   * @param e An endpoint object that determines what endpoints will be
+   * returned.
+   *
+   * @returns A forward-only iterator that can be used to traverse the list
+   * of endpoint entries.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note A default constructed iterator represents the end of the list.
+   *
+   * @note A successful call to this function is guaranteed to return at least
+   * one entry.
+   */
+  iterator resolve(const endpoint_type& e)
+  {
+    return this->service.resolve(this->implementation, e, throw_error());
+  }
+
+  /// Resolve an endpoint to a list of entries.
+  /**
+   * This function is used to resolve an endpoint into a list of endpoint
+   * entries.
+   *
+   * @param e An endpoint object that determines what endpoints will be
+   * returned.
+   *
+   * @returns A forward-only iterator that can be used to traverse the list
+   * of endpoint entries. Returns a default constructed iterator if an error
+   * occurs.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @note A default constructed iterator represents the end of the list.
+   *
+   * @note A successful call to this function is guaranteed to return at least
+   * one entry.
+   */
+  template <typename Error_Handler>
+  iterator resolve(const endpoint_type& e, Error_Handler error_handler)
+  {
+    return this->service.resolve(this->implementation, e, error_handler);
+  }
+
+  /// Asynchronously resolve an endpoint to a list of entries.
+  /**
+   * This function is used to asynchronously resolve an endpoint into a list of
+   * endpoint entries.
+   *
+   * @param e An endpoint object that determines what endpoints will be
+   * returned.
+   *
+   * @param handler The handler to be called when the resolve operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,   // Result of operation.
+   *   resolver::iterator iterator // Forward-only iterator that can be used to
+   *                               // traverse the list of endpoint entries.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note A default constructed iterator represents the end of the list.
+   *
+   * @note A successful resolve operation is guaranteed to pass at least one
+   * entry to the handler.
+   */
+  template <typename Handler>
+  void async_resolve(const endpoint_type& e, Handler handler)
+  {
+    return this->service.async_resolve(this->implementation, e, handler);
+  }
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_RESOLVER_HPP

library/include/libtorrent/asio/basic_socket.hpp

@@ -0,0 +1,919 @@
+//
+// basic_socket.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_SOCKET_HPP
+#define ASIO_BASIC_SOCKET_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/basic_io_object.hpp"
+#include "asio/error.hpp"
+#include "asio/error_handler.hpp"
+#include "asio/socket_base.hpp"
+
+namespace asio {
+
+/// Provides socket functionality.
+/**
+ * The basic_socket class template provides functionality that is common to both
+ * stream-oriented and datagram-oriented sockets.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Error_Source, IO_Object.
+ */
+template <typename Protocol, typename Service>
+class basic_socket
+  : public basic_io_object<Service>,
+    public socket_base
+{
+public:
+  /// The native representation of a socket.
+  typedef typename Service::native_type native_type;
+
+  /// The protocol type.
+  typedef Protocol protocol_type;
+
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  /// The type used for reporting errors.
+  typedef asio::error error_type;
+
+  /// A basic_socket is always the lowest layer.
+  typedef basic_socket<Protocol, Service> lowest_layer_type;
+
+  /// Construct a basic_socket without opening it.
+  /**
+   * This constructor creates a socket without opening it.
+   *
+   * @param io_service The io_service object that the socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   */
+  explicit basic_socket(asio::io_service& io_service)
+    : basic_io_object<Service>(io_service)
+  {
+  }
+
+  /// Construct and open a basic_socket.
+  /**
+   * This constructor creates and opens a socket.
+   *
+   * @param io_service The io_service object that the socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_socket(asio::io_service& io_service,
+      const protocol_type& protocol)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.open(this->implementation, protocol, throw_error());
+  }
+
+  /// Construct a basic_socket, opening it and binding it to the given local
+  /// endpoint.
+  /**
+   * This constructor creates a socket and automatically opens it bound to the
+   * specified endpoint on the local machine. The protocol used is the protocol
+   * associated with the given endpoint.
+   *
+   * @param io_service The io_service object that the socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the socket will
+   * be bound.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_socket(asio::io_service& io_service,
+      const endpoint_type& endpoint)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.open(this->implementation, endpoint.protocol(),
+        throw_error());
+    this->service.bind(this->implementation, endpoint, throw_error());
+  }
+
+  /// Construct a basic_socket on an existing native socket.
+  /**
+   * This constructor creates a socket object to hold an existing native socket.
+   *
+   * @param io_service The io_service object that the socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket A native socket.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_socket(asio::io_service& io_service,
+      const protocol_type& protocol, const native_type& native_socket)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.assign(this->implementation, protocol, native_socket,
+        throw_error());
+  }
+
+  /// Get a reference to the lowest layer.
+  /**
+   * This function returns a reference to the lowest layer in a stack of
+   * layers. Since a basic_socket cannot contain any further layers, it simply
+   * returns a reference to itself.
+   *
+   * @return A reference to the lowest layer in the stack of layers. Ownership
+   * is not transferred to the caller.
+   */
+  lowest_layer_type& lowest_layer()
+  {
+    return *this;
+  }
+
+  /// Open the socket using the specified protocol.
+  /**
+   * This function opens the socket so that it will use the specified protocol.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * socket.open(asio::ip::tcp::v4());
+   * @endcode
+   */
+  void open(const protocol_type& protocol = protocol_type())
+  {
+    this->service.open(this->implementation, protocol, throw_error());
+  }
+
+  /// Open the socket using the specified protocol.
+  /**
+   * This function opens the socket so that it will use the specified protocol.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * asio::error error;
+   * socket.open(asio::ip::tcp::v4(), asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void open(const protocol_type& protocol, Error_Handler error_handler)
+  {
+    this->service.open(this->implementation, protocol, error_handler);
+  }
+
+  /// Assign an existing native socket to the socket.
+  /*
+   * This function opens the socket to hold an existing native socket.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @param native_socket A native socket.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  void assign(const protocol_type& protocol, const native_type& native_socket)
+  {
+    this->service.assign(this->implementation, protocol, native_socket,
+        throw_error());
+  }
+
+  /// Assign an existing native socket to the socket.
+  /*
+   * This function opens the socket to hold an existing native socket.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @param native_socket A native socket.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   */
+  template <typename Error_Handler>
+  void assign(const protocol_type& protocol, const native_type& native_socket,
+      Error_Handler error_handler)
+  {
+    this->service.assign(this->implementation, protocol, native_socket,
+        error_handler);
+  }
+
+  /// Close the socket.
+  /**
+   * This function is used to close the socket. Any asynchronous send, receive
+   * or connect operations will be cancelled immediately, and will complete
+   * with the asio::error::operation_aborted error.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  void close()
+  {
+    this->service.close(this->implementation, throw_error());
+  }
+
+  /// Close the socket.
+  /**
+   * This function is used to close the socket. Any asynchronous send, receive
+   * or connect operations will be cancelled immediately, and will complete
+   * with the asio::error::operation_aborted error.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::error error;
+   * socket.close(asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void close(Error_Handler error_handler)
+  {
+    this->service.close(this->implementation, error_handler);
+  }
+
+  /// Get the native socket representation.
+  /**
+   * This function may be used to obtain the underlying representation of the
+   * socket. This is intended to allow access to native socket functionality
+   * that is not otherwise provided.
+   */
+  native_type native()
+  {
+    return this->service.native(this->implementation);
+  }
+
+  /// Cancel all asynchronous operations associated with the socket.
+  /**
+   * This function causes all outstanding asynchronous connect, send and receive
+   * operations to finish immediately, and the handlers for cancelled operations
+   * will be passed the asio::error::operation_aborted error.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  void cancel()
+  {
+    this->service.cancel(this->implementation, throw_error());
+  }
+
+  /// Cancel all asynchronous operations associated with the socket.
+  /**
+   * This function causes all outstanding asynchronous connect, send and receive
+   * operations to finish immediately, and the handlers for cancelled operations
+   * will be passed the asio::error::operation_aborted error.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   */
+  template <typename Error_Handler>
+  void cancel(Error_Handler error_handler)
+  {
+    this->service.cancel(this->implementation, error_handler);
+  }
+
+  /// Bind the socket to the given local endpoint.
+  /**
+   * This function binds the socket to the specified endpoint on the local
+   * machine.
+   *
+   * @param endpoint An endpoint on the local machine to which the socket will
+   * be bound.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * socket.open(asio::ip::tcp::v4());
+   * socket.bind(asio::ip::tcp::endpoint(
+   *       asio::ip::tcp::v4(), 12345));
+   * @endcode
+   */
+  void bind(const endpoint_type& endpoint)
+  {
+    this->service.bind(this->implementation, endpoint, throw_error());
+  }
+
+  /// Bind the socket to the given local endpoint.
+  /**
+   * This function binds the socket to the specified endpoint on the local
+   * machine.
+   *
+   * @param endpoint An endpoint on the local machine to which the socket will
+   * be bound.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * socket.open(asio::ip::tcp::v4());
+   * asio::error error;
+   * socket.bind(asio::ip::tcp::endpoint(
+   *       asio::ip::tcp::v4(), 12345),
+   *     asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void bind(const endpoint_type& endpoint, Error_Handler error_handler)
+  {
+    this->service.bind(this->implementation, endpoint, error_handler);
+  }
+
+  /// Connect the socket to the specified endpoint.
+  /**
+   * This function is used to connect a socket to the specified remote endpoint.
+   * The function call will block until the connection is successfully made or
+   * an error occurs.
+   *
+   * The socket is automatically opened if it is not already open. If the
+   * connect fails, and the socket was automatically opened, the socket is
+   * returned to the closed state.
+   *
+   * @param peer_endpoint The remote endpoint to which the socket will be
+   * connected.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * asio::ip::tcp::endpoint endpoint(
+   *     asio::ip::address::from_string("1.2.3.4"), 12345);
+   * socket.connect(endpoint);
+   * @endcode
+   */
+  void connect(const endpoint_type& peer_endpoint)
+  {
+    this->service.connect(this->implementation, peer_endpoint, throw_error());
+  }
+
+  /// Connect the socket to the specified endpoint.
+  /**
+   * This function is used to connect a socket to the specified remote endpoint.
+   * The function call will block until the connection is successfully made or
+   * an error occurs.
+   *
+   * The socket is automatically opened if it is not already open. If the
+   * connect fails, and the socket was automatically opened, the socket is
+   * returned to the closed state.
+   *
+   * @param peer_endpoint The remote endpoint to which the socket will be
+   * connected.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * asio::ip::tcp::endpoint endpoint(
+   *     asio::ip::address::from_string("1.2.3.4"), 12345);
+   * asio::error error;
+   * socket.connect(endpoint, asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void connect(const endpoint_type& peer_endpoint, Error_Handler error_handler)
+  {
+    this->service.connect(this->implementation, peer_endpoint, error_handler);
+  }
+
+  /// Start an asynchronous connect.
+  /**
+   * This function is used to asynchronously connect a socket to the specified
+   * remote endpoint. The function call always returns immediately.
+   *
+   * The socket is automatically opened if it is not already open. If the
+   * connect fails, and the socket was automatically opened, the socket is
+   * returned to the closed state.
+   *
+   * @param peer_endpoint The remote endpoint to which the socket will be
+   * connected. Copies will be made of the endpoint object as required.
+   *
+   * @param handler The handler to be called when the connection operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @par Example:
+   * @code
+   * void connect_handler(const asio::error& error)
+   * {
+   *   if (!error)
+   *   {
+   *     // Connect succeeded.
+   *   }
+   * }
+   *
+   * ...
+   *
+   * asio::ip::tcp::socket socket(io_service);
+   * asio::ip::tcp::endpoint endpoint(
+   *     asio::ip::address::from_string("1.2.3.4"), 12345);
+   * socket.async_connect(endpoint, connect_handler);
+   * @endcode
+   */
+  template <typename Handler>
+  void async_connect(const endpoint_type& peer_endpoint, Handler handler)
+  {
+    this->service.async_connect(this->implementation, peer_endpoint, handler);
+  }
+
+  /// Set an option on the socket.
+  /**
+   * This function is used to set an option on the socket.
+   *
+   * @param option The new option value to be set on the socket.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::broadcast @n
+   * asio::socket_base::do_not_route @n
+   * asio::socket_base::keep_alive @n
+   * asio::socket_base::linger @n
+   * asio::socket_base::receive_buffer_size @n
+   * asio::socket_base::receive_low_watermark @n
+   * asio::socket_base::reuse_address @n
+   * asio::socket_base::send_buffer_size @n
+   * asio::socket_base::send_low_watermark @n
+   * asio::ip::multicast::join_group @n
+   * asio::ip::multicast::leave_group @n
+   * asio::ip::multicast::enable_loopback @n
+   * asio::ip::multicast::outbound_interface @n
+   * asio::ip::multicast::hops @n
+   * asio::ip::tcp::no_delay
+   *
+   * @par Example:
+   * Setting the IPPROTO_TCP/TCP_NODELAY option:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::no_delay option(true);
+   * socket.set_option(option);
+   * @endcode
+   */
+  template <typename Socket_Option>
+  void set_option(const Socket_Option& option)
+  {
+    this->service.set_option(this->implementation, option, throw_error());
+  }
+
+  /// Set an option on the socket.
+  /**
+   * This function is used to set an option on the socket.
+   *
+   * @param option The new option value to be set on the socket.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::broadcast @n
+   * asio::socket_base::do_not_route @n
+   * asio::socket_base::keep_alive @n
+   * asio::socket_base::linger @n
+   * asio::socket_base::receive_buffer_size @n
+   * asio::socket_base::receive_low_watermark @n
+   * asio::socket_base::reuse_address @n
+   * asio::socket_base::send_buffer_size @n
+   * asio::socket_base::send_low_watermark @n
+   * asio::ip::multicast::join_group @n
+   * asio::ip::multicast::leave_group @n
+   * asio::ip::multicast::enable_loopback @n
+   * asio::ip::multicast::outbound_interface @n
+   * asio::ip::multicast::hops @n
+   * asio::ip::tcp::no_delay
+   *
+   * @par Example:
+   * Setting the IPPROTO_TCP/TCP_NODELAY option:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::no_delay option(true);
+   * asio::error error;
+   * socket.set_option(option, asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Socket_Option, typename Error_Handler>
+  void set_option(const Socket_Option& option, Error_Handler error_handler)
+  {
+    this->service.set_option(this->implementation, option, error_handler);
+  }
+
+  /// Get an option from the socket.
+  /**
+   * This function is used to get the current value of an option on the socket.
+   *
+   * @param option The option value to be obtained from the socket.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::broadcast @n
+   * asio::socket_base::do_not_route @n
+   * asio::socket_base::keep_alive @n
+   * asio::socket_base::linger @n
+   * asio::socket_base::receive_buffer_size @n
+   * asio::socket_base::receive_low_watermark @n
+   * asio::socket_base::reuse_address @n
+   * asio::socket_base::send_buffer_size @n
+   * asio::socket_base::send_low_watermark @n
+   * asio::ip::multicast::join_group @n
+   * asio::ip::multicast::leave_group @n
+   * asio::ip::multicast::enable_loopback @n
+   * asio::ip::multicast::outbound_interface @n
+   * asio::ip::multicast::hops @n
+   * asio::ip::tcp::no_delay
+   *
+   * @par Example:
+   * Getting the value of the SOL_SOCKET/SO_KEEPALIVE option:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::socket::keep_alive option;
+   * socket.get_option(option);
+   * bool is_set = option.get();
+   * @endcode
+   */
+  template <typename Socket_Option>
+  void get_option(Socket_Option& option) const
+  {
+    this->service.get_option(this->implementation, option, throw_error());
+  }
+
+  /// Get an option from the socket.
+  /**
+   * This function is used to get the current value of an option on the socket.
+   *
+   * @param option The option value to be obtained from the socket.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::broadcast @n
+   * asio::socket_base::do_not_route @n
+   * asio::socket_base::keep_alive @n
+   * asio::socket_base::linger @n
+   * asio::socket_base::receive_buffer_size @n
+   * asio::socket_base::receive_low_watermark @n
+   * asio::socket_base::reuse_address @n
+   * asio::socket_base::send_buffer_size @n
+   * asio::socket_base::send_low_watermark @n
+   * asio::ip::multicast::join_group @n
+   * asio::ip::multicast::leave_group @n
+   * asio::ip::multicast::enable_loopback @n
+   * asio::ip::multicast::outbound_interface @n
+   * asio::ip::multicast::hops @n
+   * asio::ip::tcp::no_delay
+   *
+   * @par Example:
+   * Getting the value of the SOL_SOCKET/SO_KEEPALIVE option:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::socket::keep_alive option;
+   * asio::error error;
+   * socket.get_option(option, asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * bool is_set = option.get();
+   * @endcode
+   */
+  template <typename Socket_Option, typename Error_Handler>
+  void get_option(Socket_Option& option, Error_Handler error_handler) const
+  {
+    this->service.get_option(this->implementation, option, error_handler);
+  }
+
+  /// Perform an IO control command on the socket.
+  /**
+   * This function is used to execute an IO control command on the socket.
+   *
+   * @param command The IO control command to be performed on the socket.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @sa IO_Control_Command @n
+   * asio::socket_base::bytes_readable @n
+   * asio::socket_base::non_blocking_io
+   *
+   * @par Example:
+   * Getting the number of bytes ready to read:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::socket::bytes_readable command;
+   * socket.io_control(command);
+   * std::size_t bytes_readable = command.get();
+   * @endcode
+   */
+  template <typename IO_Control_Command>
+  void io_control(IO_Control_Command& command)
+  {
+    this->service.io_control(this->implementation, command, throw_error());
+  }
+
+  /// Perform an IO control command on the socket.
+  /**
+   * This function is used to execute an IO control command on the socket.
+   *
+   * @param command The IO control command to be performed on the socket.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @sa IO_Control_Command @n
+   * asio::socket_base::bytes_readable @n
+   * asio::socket_base::non_blocking_io
+   *
+   * @par Example:
+   * Getting the number of bytes ready to read:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::socket::bytes_readable command;
+   * asio::error error;
+   * socket.io_control(command, asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * std::size_t bytes_readable = command.get();
+   * @endcode
+   */
+  template <typename IO_Control_Command, typename Error_Handler>
+  void io_control(IO_Control_Command& command, Error_Handler error_handler)
+  {
+    this->service.io_control(this->implementation, command, error_handler);
+  }
+
+  /// Get the local endpoint of the socket.
+  /**
+   * This function is used to obtain the locally bound endpoint of the socket.
+   *
+   * @returns An object that represents the local endpoint of the socket.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::endpoint endpoint = socket.local_endpoint();
+   * @endcode
+   */
+  endpoint_type local_endpoint() const
+  {
+    return this->service.local_endpoint(this->implementation, throw_error());
+  }
+
+  /// Get the local endpoint of the socket.
+  /**
+   * This function is used to obtain the locally bound endpoint of the socket.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @returns An object that represents the local endpoint of the socket.
+   * Returns a default-constructed endpoint object if an error occurred and the
+   * error handler did not throw an exception.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::error error;
+   * asio::ip::tcp::endpoint endpoint
+   *   = socket.local_endpoint(asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  endpoint_type local_endpoint(Error_Handler error_handler) const
+  {
+    return this->service.local_endpoint(this->implementation, error_handler);
+  }
+
+  /// Get the remote endpoint of the socket.
+  /**
+   * This function is used to obtain the remote endpoint of the socket.
+   *
+   * @returns An object that represents the remote endpoint of the socket.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::ip::tcp::endpoint endpoint = socket.remote_endpoint();
+   * @endcode
+   */
+  endpoint_type remote_endpoint() const
+  {
+    return this->service.remote_endpoint(this->implementation, throw_error());
+  }
+
+  /// Get the remote endpoint of the socket.
+  /**
+   * This function is used to obtain the remote endpoint of the socket.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @returns An object that represents the remote endpoint of the socket.
+   * Returns a default-constructed endpoint object if an error occurred and the
+   * error handler did not throw an exception.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::error error;
+   * asio::ip::tcp::endpoint endpoint
+   *   = socket.remote_endpoint(asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  endpoint_type remote_endpoint(Error_Handler error_handler) const
+  {
+    return this->service.remote_endpoint(this->implementation, error_handler);
+  }
+
+  /// Disable sends or receives on the socket.
+  /**
+   * This function is used to disable send operations, receive operations, or
+   * both.
+   *
+   * @param what Determines what types of operation will no longer be allowed.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * Shutting down the send side of the socket:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * socket.shutdown(asio::ip::tcp::socket::shutdown_send);
+   * @endcode
+   */
+  void shutdown(shutdown_type what)
+  {
+    this->service.shutdown(this->implementation, what, throw_error());
+  }
+
+  /// Disable sends or receives on the socket.
+  /**
+   * This function is used to disable send operations, receive operations, or
+   * both.
+   *
+   * @param what Determines what types of operation will no longer be allowed.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * Shutting down the send side of the socket:
+   * @code
+   * asio::ip::tcp::socket socket(io_service);
+   * ...
+   * asio::error error;
+   * socket.shutdown(asio::ip::tcp::socket::shutdown_send,
+   *     asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void shutdown(shutdown_type what, Error_Handler error_handler)
+  {
+    this->service.shutdown(this->implementation, what, error_handler);
+  }
+
+protected:
+  /// Protected destructor to prevent deletion through this type.
+  ~basic_socket()
+  {
+  }
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_SOCKET_HPP

library/include/libtorrent/asio/basic_socket_acceptor.hpp

@@ -0,0 +1,854 @@
+//
+// basic_socket_acceptor.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_SOCKET_ACCEPTOR_HPP
+#define ASIO_BASIC_SOCKET_ACCEPTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/basic_io_object.hpp"
+#include "asio/basic_socket.hpp"
+#include "asio/error.hpp"
+#include "asio/error_handler.hpp"
+#include "asio/socket_acceptor_service.hpp"
+#include "asio/socket_base.hpp"
+
+namespace asio {
+
+/// Provides the ability to accept new connections.
+/**
+ * The basic_socket_acceptor class template is used for accepting new socket
+ * connections.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Object, Error_Source.
+ *
+ * @par Example:
+ * Opening a socket acceptor with the SO_REUSEADDR option enabled:
+ * @code
+ * asio::ip::tcp::acceptor acceptor(io_service);
+ * asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
+ * acceptor.open(endpoint.protocol());
+ * acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
+ * acceptor.bind(endpoint);
+ * acceptor.listen();
+ * @endcode
+ */
+template <typename Protocol,
+    typename Service = socket_acceptor_service<Protocol> >
+class basic_socket_acceptor
+  : public basic_io_object<Service>,
+    public socket_base
+{
+public:
+  /// The native representation of an acceptor.
+  typedef typename Service::native_type native_type;
+
+  /// The protocol type.
+  typedef Protocol protocol_type;
+
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  /// The type used for reporting errors.
+  typedef asio::error error_type;
+
+  /// Construct an acceptor without opening it.
+  /**
+   * This constructor creates an acceptor without opening it to listen for new
+   * connections. The open() function must be called before the acceptor can
+   * accept new socket connections.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   */
+  explicit basic_socket_acceptor(asio::io_service& io_service)
+    : basic_io_object<Service>(io_service)
+  {
+  }
+
+  /// Construct an open acceptor.
+  /**
+   * This constructor creates an acceptor and automatically opens it.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_socket_acceptor(asio::io_service& io_service,
+      const protocol_type& protocol)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.open(this->implementation, protocol, throw_error());
+  }
+
+  /// Construct an acceptor opened on the given endpoint.
+  /**
+   * This constructor creates an acceptor and automatically opens it to listen
+   * for new connections on the specified endpoint.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   *
+   * @param endpoint An endpoint on the local machine on which the acceptor
+   * will listen for new connections.
+   *
+   * @param reuse_addr Whether the constructor should set the socket option
+   * socket_base::reuse_address.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note This constructor is equivalent to the following code:
+   * @code
+   * basic_socket_acceptor<Protocol> acceptor(io_service);
+   * acceptor.open(endpoint.protocol());
+   * if (reuse_addr)
+   *   acceptor.set_option(socket_base::reuse_address(true));
+   * acceptor.bind(endpoint);
+   * acceptor.listen(listen_backlog);
+   * @endcode
+   */
+  basic_socket_acceptor(asio::io_service& io_service,
+      const endpoint_type& endpoint, bool reuse_addr = true)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.open(this->implementation, endpoint.protocol(),
+        throw_error());
+    if (reuse_addr)
+    {
+      this->service.set_option(this->implementation,
+          socket_base::reuse_address(true), throw_error());
+    }
+    this->service.bind(this->implementation, endpoint, throw_error());
+    this->service.listen(this->implementation,
+        socket_base::max_connections, throw_error());
+  }
+
+  /// Construct a basic_socket_acceptor on an existing native acceptor.
+  /**
+   * This constructor creates an acceptor object to hold an existing native
+   * acceptor.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_acceptor A native acceptor.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_socket_acceptor(asio::io_service& io_service,
+      const protocol_type& protocol, const native_type& native_acceptor)
+    : basic_io_object<Service>(io_service)
+  {
+    this->service.assign(this->implementation, protocol, native_acceptor,
+        throw_error());
+  }
+
+  /// Open the acceptor using the specified protocol.
+  /**
+   * This function opens the socket acceptor so that it will use the specified
+   * protocol.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * acceptor.open(asio::ip::tcp::v4());
+   * @endcode
+   */
+  void open(const protocol_type& protocol = protocol_type())
+  {
+    this->service.open(this->implementation, protocol, throw_error());
+  }
+
+  /// Open the acceptor using the specified protocol.
+  /**
+   * This function opens the socket acceptor so that it will use the specified
+   * protocol.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * asio::error error;
+   * acceptor.open(asio::ip::tcp::v4(),
+   *     asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void open(const protocol_type& protocol, Error_Handler error_handler)
+  {
+    this->service.open(this->implementation, protocol, error_handler);
+  }
+
+  /// Assigns an existing native acceptor to the acceptor.
+  /*
+   * This function opens the acceptor to hold an existing native acceptor.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @param native_acceptor A native acceptor.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  void assign(const protocol_type& protocol, const native_type& native_acceptor)
+  {
+    this->service.assign(this->implementation, protocol, native_acceptor,
+        throw_error());
+  }
+
+  /// Assigns an existing native acceptor to the acceptor.
+  /*
+   * This function opens the acceptor to hold an existing native acceptor.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @param native_acceptor A native acceptor.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   */
+  template <typename Error_Handler>
+  void assign(const protocol_type& protocol, const native_type& native_acceptor,
+      Error_Handler error_handler)
+  {
+    this->service.assign(this->implementation, protocol, native_acceptor,
+        error_handler);
+  }
+
+  /// Bind the acceptor to the given local endpoint.
+  /**
+   * This function binds the socket acceptor to the specified endpoint on the
+   * local machine.
+   *
+   * @param endpoint An endpoint on the local machine to which the socket
+   * acceptor will be bound.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * acceptor.open(asio::ip::tcp::v4());
+   * acceptor.bind(asio::ip::tcp::endpoint(12345));
+   * @endcode
+   */
+  void bind(const endpoint_type& endpoint)
+  {
+    this->service.bind(this->implementation, endpoint, throw_error());
+  }
+
+  /// Bind the acceptor to the given local endpoint.
+  /**
+   * This function binds the socket acceptor to the specified endpoint on the
+   * local machine.
+   *
+   * @param endpoint An endpoint on the local machine to which the socket
+   * acceptor will be bound.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * acceptor.open(asio::ip::tcp::v4());
+   * asio::error error;
+   * acceptor.bind(asio::ip::tcp::endpoint(12345),
+   *     asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void bind(const endpoint_type& endpoint, Error_Handler error_handler)
+  {
+    this->service.bind(this->implementation, endpoint, error_handler);
+  }
+
+  /// Place the acceptor into the state where it will listen for new
+  /// connections.
+  /**
+   * This function puts the socket acceptor into the state where it may accept
+   * new connections.
+   *
+   * @param backlog The maximum length of the queue of pending connections.
+   */
+  void listen(int backlog = socket_base::max_connections)
+  {
+    this->service.listen(this->implementation, backlog, throw_error());
+  }
+
+  /// Place the acceptor into the state where it will listen for new
+  /// connections.
+  /**
+   * This function puts the socket acceptor into the state where it may accept
+   * new connections.
+   *
+   * @param backlog The maximum length of the queue of pending connections.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::error error;
+   * acceptor.listen(asio::socket_base::max_connections,
+   *     asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void listen(int backlog, Error_Handler error_handler)
+  {
+    this->service.listen(this->implementation, backlog, error_handler);
+  }
+
+  /// Close the acceptor.
+  /**
+   * This function is used to close the acceptor. Any asynchronous accept
+   * operations will be cancelled immediately.
+   *
+   * A subsequent call to open() is required before the acceptor can again be
+   * used to again perform socket accept operations.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  void close()
+  {
+    this->service.close(this->implementation, throw_error());
+  }
+
+  /// Close the acceptor.
+  /**
+   * This function is used to close the acceptor. Any asynchronous accept
+   * operations will be cancelled immediately.
+   *
+   * A subsequent call to open() is required before the acceptor can again be
+   * used to again perform socket accept operations.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::error error;
+   * acceptor.close(asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  void close(Error_Handler error_handler)
+  {
+    this->service.close(this->implementation, error_handler);
+  }
+
+  /// Get the native acceptor representation.
+  /**
+   * This function may be used to obtain the underlying representation of the
+   * acceptor. This is intended to allow access to native acceptor functionality
+   * that is not otherwise provided.
+   */
+  native_type native()
+  {
+    return this->service.native(this->implementation);
+  }
+
+  /// Cancel all asynchronous operations associated with the acceptor.
+  /**
+   * This function causes all outstanding asynchronous connect, send and receive
+   * operations to finish immediately, and the handlers for cancelled operations
+   * will be passed the asio::error::operation_aborted error.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  void cancel()
+  {
+    this->service.cancel(this->implementation, throw_error());
+  }
+
+  /// Cancel all asynchronous operations associated with the acceptor.
+  /**
+   * This function causes all outstanding asynchronous connect, send and receive
+   * operations to finish immediately, and the handlers for cancelled operations
+   * will be passed the asio::error::operation_aborted error.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   */
+  template <typename Error_Handler>
+  void cancel(Error_Handler error_handler)
+  {
+    this->service.cancel(this->implementation, error_handler);
+  }
+
+  /// Set an option on the acceptor.
+  /**
+   * This function is used to set an option on the acceptor.
+   *
+   * @param option The new option value to be set on the acceptor.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::reuse_address
+   * asio::socket_base::enable_connection_aborted
+   *
+   * @par Example:
+   * Setting the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::acceptor::reuse_address option(true);
+   * acceptor.set_option(option);
+   * @endcode
+   */
+  template <typename Option>
+  void set_option(const Option& option)
+  {
+    this->service.set_option(this->implementation, option, throw_error());
+  }
+
+  /// Set an option on the acceptor.
+  /**
+   * This function is used to set an option on the acceptor.
+   *
+   * @param option The new option value to be set on the acceptor.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::reuse_address
+   * asio::socket_base::enable_connection_aborted
+   *
+   * @par Example:
+   * Setting the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::acceptor::reuse_address option(true);
+   * asio::error error;
+   * acceptor.set_option(option, asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Option, typename Error_Handler>
+  void set_option(const Option& option, Error_Handler error_handler)
+  {
+    this->service.set_option(this->implementation, option, error_handler);
+  }
+
+  /// Get an option from the acceptor.
+  /**
+   * This function is used to get the current value of an option on the
+   * acceptor.
+   *
+   * @param option The option value to be obtained from the acceptor.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::reuse_address
+   *
+   * @par Example:
+   * Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::acceptor::reuse_address option;
+   * acceptor.get_option(option);
+   * bool is_set = option.get();
+   * @endcode
+   */
+  template <typename Option>
+  void get_option(Option& option)
+  {
+    this->service.get_option(this->implementation, option, throw_error());
+  }
+
+  /// Get an option from the acceptor.
+  /**
+   * This function is used to get the current value of an option on the
+   * acceptor.
+   *
+   * @param option The option value to be obtained from the acceptor.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @sa Socket_Option @n
+   * asio::socket_base::reuse_address
+   *
+   * @par Example:
+   * Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::acceptor::reuse_address option;
+   * asio::error error;
+   * acceptor.get_option(option, asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * bool is_set = option.get();
+   * @endcode
+   */
+  template <typename Option, typename Error_Handler>
+  void get_option(Option& option, Error_Handler error_handler)
+  {
+    this->service.get_option(this->implementation, option, error_handler);
+  }
+
+  /// Get the local endpoint of the acceptor.
+  /**
+   * This function is used to obtain the locally bound endpoint of the acceptor.
+   *
+   * @returns An object that represents the local endpoint of the acceptor.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint();
+   * @endcode
+   */
+  endpoint_type local_endpoint() const
+  {
+    return this->service.local_endpoint(this->implementation, throw_error());
+  }
+
+  /// Get the local endpoint of the acceptor.
+  /**
+   * This function is used to obtain the locally bound endpoint of the acceptor.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @returns An object that represents the local endpoint of the acceptor.
+   * Returns a default-constructed endpoint object if an error occurred and the
+   * error handler did not throw an exception.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::error error;
+   * asio::ip::tcp::endpoint endpoint
+   *   = acceptor.local_endpoint(asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Error_Handler>
+  endpoint_type local_endpoint(Error_Handler error_handler) const
+  {
+    return this->service.local_endpoint(this->implementation, error_handler);
+  }
+
+  /// Accept a new connection.
+  /**
+   * This function is used to accept a new connection from a peer into the
+   * given socket. The function call will block until a new connection has been
+   * accepted successfully or an error occurs.
+   *
+   * @param peer The socket into which the new connection will be accepted.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::socket socket(io_service);
+   * acceptor.accept(socket);
+   * @endcode
+   */
+  template <typename Socket_Service>
+  void accept(basic_socket<protocol_type, Socket_Service>& peer)
+  {
+    this->service.accept(this->implementation, peer, throw_error());
+  }
+
+  /// Accept a new connection.
+  /**
+   * This function is used to accept a new connection from a peer into the
+   * given socket. The function call will block until a new connection has been
+   * accepted successfully or an error occurs.
+   *
+   * @param peer The socket into which the new connection will be accepted.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::soocket socket(io_service);
+   * asio::error error;
+   * acceptor.accept(socket, asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Socket_Service, typename Error_Handler>
+  void accept(basic_socket<protocol_type, Socket_Service>& peer,
+      Error_Handler error_handler)
+  {
+    this->service.accept(this->implementation, peer, error_handler);
+  }
+
+  /// Start an asynchronous accept.
+  /**
+   * This function is used to asynchronously accept a new connection into a
+   * socket. The function call always returns immediately.
+   *
+   * @param peer The socket into which the new connection will be accepted.
+   * Ownership of the peer object is retained by the caller, which must
+   * guarantee that it is valid until the handler is called.
+   *
+   * @param handler The handler to be called when the accept operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @par Example:
+   * @code
+   * void accept_handler(const asio::error& error)
+   * {
+   *   if (!error)
+   *   {
+   *     // Accept succeeded.
+   *   }
+   * }
+   *
+   * ...
+   *
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::socket socket(io_service);
+   * acceptor.async_accept(socket, accept_handler);
+   * @endcode
+   */
+  template <typename Socket_Service, typename Handler>
+  void async_accept(basic_socket<protocol_type, Socket_Service>& peer,
+      Handler handler)
+  {
+    this->service.async_accept(this->implementation, peer, handler);
+  }
+
+  /// Accept a new connection and obtain the endpoint of the peer
+  /**
+   * This function is used to accept a new connection from a peer into the
+   * given socket, and additionally provide the endpoint of the remote peer.
+   * The function call will block until a new connection has been accepted
+   * successfully or an error occurs.
+   *
+   * @param peer The socket into which the new connection will be accepted.
+   *
+   * @param peer_endpoint An endpoint object which will receive the endpoint of
+   * the remote peer.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::socket socket(io_service);
+   * asio::ip::tcp::endpoint endpoint;
+   * acceptor.accept_endpoint(socket, endpoint);
+   * @endcode
+   */
+  template <typename Socket_Service>
+  void accept_endpoint(basic_socket<protocol_type, Socket_Service>& peer,
+      endpoint_type& peer_endpoint)
+  {
+    this->service.accept_endpoint(this->implementation, peer, peer_endpoint,
+        throw_error());
+  }
+
+  /// Accept a new connection and obtain the endpoint of the peer
+  /**
+   * This function is used to accept a new connection from a peer into the
+   * given socket, and additionally provide the endpoint of the remote peer.
+   * The function call will block until a new connection has been accepted
+   * successfully or an error occurs.
+   *
+   * @param peer The socket into which the new connection will be accepted.
+   *
+   * @param peer_endpoint An endpoint object which will receive the endpoint of
+   * the remote peer.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @par Example:
+   * @code
+   * asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * asio::ip::tcp::socket socket(io_service);
+   * asio::ip::tcp::endpoint endpoint;
+   * asio::error error;
+   * acceptor.accept_endpoint(socket, endpoint,
+   *     asio::assign_error(error));
+   * if (error)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename Socket_Service, typename Error_Handler>
+  void accept_endpoint(basic_socket<protocol_type, Socket_Service>& peer,
+      endpoint_type& peer_endpoint, Error_Handler error_handler)
+  {
+    this->service.accept_endpoint(this->implementation, peer, peer_endpoint,
+        error_handler);
+  }
+
+  /// Start an asynchronous accept.
+  /**
+   * This function is used to asynchronously accept a new connection into a
+   * socket, and additionally obtain the endpoint of the remote peer. The
+   * function call always returns immediately.
+   *
+   * @param peer The socket into which the new connection will be accepted.
+   * Ownership of the peer object is retained by the caller, which must
+   * guarantee that it is valid until the handler is called.
+   *
+   * @param peer_endpoint An endpoint object into which the endpoint of the
+   * remote peer will be written. Ownership of the peer_endpoint object is
+   * retained by the caller, which must guarantee that it is valid until the
+   * handler is called.
+   *
+   * @param handler The handler to be called when the accept operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   */
+  template <typename Socket_Service, typename Handler>
+  void async_accept_endpoint(basic_socket<protocol_type, Socket_Service>& peer,
+      endpoint_type& peer_endpoint, Handler handler)
+  {
+    this->service.async_accept_endpoint(this->implementation, peer,
+        peer_endpoint, handler);
+  }
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_SOCKET_ACCEPTOR_HPP

library/include/libtorrent/asio/basic_socket_iostream.hpp

@@ -0,0 +1,176 @@
+//
+// basic_socket_iostream.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_SOCKET_IOSTREAM_HPP
+#define ASIO_BASIC_SOCKET_IOSTREAM_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/preprocessor/arithmetic/inc.hpp>
+#include <boost/preprocessor/repetition/enum_binary_params.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/repeat_from_to.hpp>
+#include <boost/utility/base_from_member.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/basic_socket_streambuf.hpp"
+#include "asio/stream_socket_service.hpp"
+
+#if !defined(ASIO_SOCKET_IOSTREAM_MAX_ARITY)
+#define ASIO_SOCKET_IOSTREAM_MAX_ARITY 5
+#endif // !defined(ASIO_SOCKET_IOSTREAM_MAX_ARITY)
+
+// A macro that should expand to:
+//   template < typename T1, ..., typename Tn >
+//   explicit basic_socket_iostream( T1 x1, ..., Tn xn )
+//     : basic_iostream<char>(&this->boost::base_from_member<
+//         basic_socket_streambuf<Protocol, Service> >::member)
+//   {
+//     try
+//     {
+//       rdbuf()->connect ( x1, ..., xn );
+//     }
+//     catch (asio::error&)
+//     {
+//       this->setstate(std::ios_base::failbit);
+//       if (this->exceptions() & std::ios_base::failbit)
+//         throw;
+//     }
+//   }
+// This macro should only persist within this file.
+
+#define ASIO_PRIVATE_CTR_DEF( z, n, data ) \
+  template < BOOST_PP_ENUM_PARAMS(n, typename T) > \
+  explicit basic_socket_iostream( BOOST_PP_ENUM_BINARY_PARAMS(n, T, x) ) \
+    : std::basic_iostream<char>(&this->boost::base_from_member< \
+        basic_socket_streambuf<Protocol, Service> >::member) \
+  { \
+    try \
+    { \
+      rdbuf()->connect( BOOST_PP_ENUM_PARAMS(n, x) ); \
+    } \
+    catch (asio::error&) \
+    { \
+      this->setstate(std::ios_base::failbit); \
+      if (this->exceptions() & std::ios_base::failbit) \
+        throw; \
+    } \
+  } \
+  /**/
+
+// A macro that should expand to:
+//   template < typename T1, ..., typename Tn >
+//   void connect( T1 x1, ..., Tn xn )
+//   {
+//     try
+//     {
+//       rdbuf()->connect ( x1, ..., xn );
+//     }
+//     catch (asio::error&)
+//     {
+//       this->setstate(std::ios_base::failbit);
+//       if (this->exceptions() & std::ios_base::failbit)
+//         throw;
+//     }
+//   }
+// This macro should only persist within this file.
+
+#define ASIO_PRIVATE_CONNECT_DEF( z, n, data ) \
+  template < BOOST_PP_ENUM_PARAMS(n, typename T) > \
+  void connect( BOOST_PP_ENUM_BINARY_PARAMS(n, T, x) ) \
+  { \
+    try \
+    { \
+      rdbuf()->connect( BOOST_PP_ENUM_PARAMS(n, x) ); \
+    } \
+    catch (asio::error&) \
+    { \
+      this->setstate(std::ios_base::failbit); \
+      if (this->exceptions() & std::ios_base::failbit) \
+        throw; \
+    } \
+  } \
+  /**/
+
+namespace asio {
+
+/// Iostream interface for a socket.
+template <typename Protocol,
+    typename Service = stream_socket_service<Protocol> >
+class basic_socket_iostream
+  : public boost::base_from_member<basic_socket_streambuf<Protocol, Service> >,
+    public std::basic_iostream<char>
+{
+public:
+  /// Construct a basic_socket_iostream without establishing a connection.
+  basic_socket_iostream()
+    : std::basic_iostream<char>(&this->boost::base_from_member<
+        basic_socket_streambuf<Protocol, Service> >::member)
+  {
+  }
+
+#if defined(GENERATING_DOCUMENTATION)
+  /// Establish a connection to an endpoint corresponding to a resolver query.
+  /**
+   * This constructor automatically establishes a connection based on the
+   * supplied resolver query parameters. The arguments are used to construct
+   * a resolver query object.
+   */
+  template <typename T1, ..., typename TN>
+  explicit basic_socket_iostream(T1 t1, ..., TN tn);
+#else
+  BOOST_PP_REPEAT_FROM_TO(
+      1, BOOST_PP_INC(ASIO_SOCKET_IOSTREAM_MAX_ARITY),
+      ASIO_PRIVATE_CTR_DEF, _ )
+#endif
+
+#if defined(GENERATING_DOCUMENTATION)
+  /// Establish a connection to an endpoint corresponding to a resolver query.
+  /**
+   * This function automatically establishes a connection based on the supplied
+   * resolver query parameters. The arguments are used to construct a resolver
+   * query object.
+   */
+  template <typename T1, ..., typename TN>
+  void connect(T1 t1, ..., TN tn);
+#else
+  BOOST_PP_REPEAT_FROM_TO(
+      1, BOOST_PP_INC(ASIO_SOCKET_IOSTREAM_MAX_ARITY),
+      ASIO_PRIVATE_CONNECT_DEF, _ )
+#endif
+
+  /// Close the connection.
+  void close()
+  {
+    rdbuf()->close();
+  }
+
+  /// Return a pointer to the underlying streambuf.
+  basic_socket_streambuf<Protocol, Service>* rdbuf() const
+  {
+    return const_cast<basic_socket_streambuf<Protocol, Service>*>(
+        &this->boost::base_from_member<
+          basic_socket_streambuf<Protocol, Service> >::member);
+  }
+};
+
+} // namespace asio
+
+#undef ASIO_PRIVATE_CTR_DEF
+#undef ASIO_PRIVATE_CONNECT_DEF
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_SOCKET_IOSTREAM_HPP

library/include/libtorrent/asio/basic_socket_streambuf.hpp

@@ -0,0 +1,280 @@
+//
+// basic_socket_streambuf.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_SOCKET_STREAMBUF_HPP
+#define ASIO_BASIC_SOCKET_STREAMBUF_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <streambuf>
+#include <boost/array.hpp>
+#include <boost/preprocessor/arithmetic/inc.hpp>
+#include <boost/preprocessor/repetition/enum_binary_params.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/repeat_from_to.hpp>
+#include <boost/utility/base_from_member.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/basic_socket.hpp"
+#include "asio/error_handler.hpp"
+#include "asio/io_service.hpp"
+#include "asio/stream_socket_service.hpp"
+
+#if !defined(ASIO_SOCKET_STREAMBUF_MAX_ARITY)
+#define ASIO_SOCKET_STREAMBUF_MAX_ARITY 5
+#endif // !defined(ASIO_SOCKET_STREAMBUF_MAX_ARITY)
+
+// A macro that should expand to:
+//   template < typename T1, ..., typename Tn >
+//   explicit basic_socket_streambuf( T1 x1, ..., Tn xn )
+//     : basic_socket<Protocol, Service>(
+//         boost::base_from_member<io_service>::member)
+//   {
+//     init_buffers();
+//     typedef typename Protocol::resolver_query resolver_query;
+//     resolver_query query( x1, ..., xn );
+//     resolve_and_connect(query);
+//   }
+// This macro should only persist within this file.
+
+#define ASIO_PRIVATE_CTR_DEF( z, n, data ) \
+  template < BOOST_PP_ENUM_PARAMS(n, typename T) > \
+  explicit basic_socket_streambuf( BOOST_PP_ENUM_BINARY_PARAMS(n, T, x) ) \
+    : basic_socket<Protocol, Service>( \
+        boost::base_from_member<io_service>::member) \
+  { \
+    init_buffers(); \
+    typedef typename Protocol::resolver_query resolver_query; \
+    resolver_query query( BOOST_PP_ENUM_PARAMS(n, x) ); \
+    resolve_and_connect(query); \
+  } \
+  /**/
+
+// A macro that should expand to:
+//   template < typename T1, ..., typename Tn >
+//   void connect( T1 x1, ..., Tn xn )
+//   {
+//     this->basic_socket<Protocol, Service>::close();
+//     init_buffers();
+//     typedef typename Protocol::resolver_query resolver_query;
+//     resolver_query query( x1, ..., xn );
+//     resolve_and_connect(query);
+//   }
+// This macro should only persist within this file.
+
+#define ASIO_PRIVATE_CONNECT_DEF( z, n, data ) \
+  template < BOOST_PP_ENUM_PARAMS(n, typename T) > \
+  void connect( BOOST_PP_ENUM_BINARY_PARAMS(n, T, x) ) \
+  { \
+    this->basic_socket<Protocol, Service>::close(); \
+    init_buffers(); \
+    typedef typename Protocol::resolver_query resolver_query; \
+    resolver_query query( BOOST_PP_ENUM_PARAMS(n, x) ); \
+    resolve_and_connect(query); \
+  } \
+  /**/
+
+namespace asio {
+
+/// Iostream streambuf for a socket.
+template <typename Protocol,
+    typename Service = stream_socket_service<Protocol> >
+class basic_socket_streambuf
+  : public std::streambuf,
+    private boost::base_from_member<io_service>,
+    public basic_socket<Protocol, Service>
+{
+public:
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  /// Construct a basic_socket_streambuf without establishing a connection.
+  basic_socket_streambuf()
+    : basic_socket<Protocol, Service>(
+        boost::base_from_member<asio::io_service>::member)
+  {
+    init_buffers();
+  }
+
+  /// Establish a connection to the specified endpoint.
+  explicit basic_socket_streambuf(const endpoint_type& endpoint)
+    : basic_socket<Protocol, Service>(
+        boost::base_from_member<asio::io_service>::member)
+  {
+    init_buffers();
+    this->basic_socket<Protocol, Service>::connect(endpoint);
+  }
+
+#if defined(GENERATING_DOCUMENTATION)
+  /// Establish a connection to an endpoint corresponding to a resolver query.
+  /**
+   * This constructor automatically establishes a connection based on the
+   * supplied resolver query parameters. The arguments are used to construct
+   * a resolver query object.
+   */
+  template <typename T1, ..., typename TN>
+  explicit basic_socket_streambuf(T1 t1, ..., TN tn);
+#else
+  BOOST_PP_REPEAT_FROM_TO(
+      1, BOOST_PP_INC(ASIO_SOCKET_STREAMBUF_MAX_ARITY),
+      ASIO_PRIVATE_CTR_DEF, _ )
+#endif
+
+  /// Destructor flushes buffered data.
+  ~basic_socket_streambuf()
+  {
+    sync();
+  }
+
+  /// Establish a connection to the specified endpoint.
+  void connect(const endpoint_type& endpoint)
+  {
+    this->basic_socket<Protocol, Service>::close();
+    init_buffers();
+    this->basic_socket<Protocol, Service>::connect(endpoint);
+  }
+
+#if defined(GENERATING_DOCUMENTATION)
+  /// Establish a connection to an endpoint corresponding to a resolver query.
+  /**
+   * This function automatically establishes a connection based on the supplied
+   * resolver query parameters. The arguments are used to construct a resolver
+   * query object.
+   */
+  template <typename T1, ..., typename TN>
+  void connect(T1 t1, ..., TN tn);
+#else
+  BOOST_PP_REPEAT_FROM_TO(
+      1, BOOST_PP_INC(ASIO_SOCKET_STREAMBUF_MAX_ARITY),
+      ASIO_PRIVATE_CONNECT_DEF, _ )
+#endif
+
+  /// Close the connection.
+  void close()
+  {
+    sync();
+    this->basic_socket<Protocol, Service>::close();
+    init_buffers();
+  }
+
+protected:
+  int_type underflow()
+  {
+    if (gptr() == egptr())
+    {
+      asio::error error;
+      std::size_t bytes_transferred = this->service.receive(
+          this->implementation,
+          asio::buffer(asio::buffer(get_buffer_) + putback_max),
+          0, asio::assign_error(error));
+      if (error)
+      {
+        if (error != asio::error::eof)
+          throw error;
+        return traits_type::eof();
+      }
+      setg(get_buffer_.begin(), get_buffer_.begin() + putback_max,
+          get_buffer_.begin() + putback_max + bytes_transferred);
+      return traits_type::to_int_type(*gptr());
+    }
+    else
+    {
+      return traits_type::eof();
+    }
+  }
+
+  int_type overflow(int_type c)
+  {
+    if (!traits_type::eq_int_type(c, traits_type::eof()))
+    {
+      if (pptr() == epptr())
+      {
+        asio::const_buffer buffer =
+          asio::buffer(pbase(), pptr() - pbase());
+        while (asio::buffer_size(buffer) > 0)
+        {
+          std::size_t bytes_transferred = this->service.send(
+              this->implementation, asio::buffer(buffer),
+              0, asio::throw_error());
+          buffer = buffer + bytes_transferred;
+        }
+        setp(put_buffer_.begin(), put_buffer_.end());
+      }
+
+      *pptr() = traits_type::to_char_type(c);
+      pbump(1);
+      return c;
+    }
+
+    return traits_type::not_eof(c);
+  }
+
+  int sync()
+  {
+    asio::const_buffer buffer =
+      asio::buffer(pbase(), pptr() - pbase());
+    while (asio::buffer_size(buffer) > 0)
+    {
+      std::size_t bytes_transferred = this->service.send(
+          this->implementation, asio::buffer(buffer),
+          0, asio::throw_error());
+      buffer = buffer + bytes_transferred;
+    }
+    setp(put_buffer_.begin(), put_buffer_.end());
+    return 0;
+  }
+
+private:
+  void init_buffers()
+  {
+    setg(get_buffer_.begin(),
+        get_buffer_.begin() + putback_max,
+        get_buffer_.begin() + putback_max);
+    setp(put_buffer_.begin(), put_buffer_.end());
+  }
+
+  void resolve_and_connect(const typename Protocol::resolver_query& query)
+  {
+    typedef typename Protocol::resolver resolver_type;
+    typedef typename Protocol::resolver_iterator iterator_type;
+    resolver_type resolver(
+        boost::base_from_member<asio::io_service>::member);
+    iterator_type iterator = resolver.resolve(query);
+    asio::error error(asio::error::host_not_found);
+    while (error && iterator != iterator_type())
+    {
+      this->basic_socket<Protocol, Service>::close();
+      this->basic_socket<Protocol, Service>::connect(
+          *iterator, asio::assign_error(error));
+      ++iterator;
+    }
+    if (error)
+      throw error;
+  }
+
+  enum { putback_max = 8 };
+  enum { buffer_size = 512 };
+  boost::array<char, buffer_size> get_buffer_;
+  boost::array<char, buffer_size> put_buffer_;
+};
+
+} // namespace asio
+
+#undef ASIO_PRIVATE_CTR_DEF
+#undef ASIO_PRIVATE_CONNECT_DEF
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_SOCKET_STREAMBUF_HPP

library/include/libtorrent/asio/basic_stream_socket.hpp

@@ -0,0 +1,816 @@
+//
+// basic_stream_socket.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_STREAM_SOCKET_HPP
+#define ASIO_BASIC_STREAM_SOCKET_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/basic_socket.hpp"
+#include "asio/error_handler.hpp"
+#include "asio/stream_socket_service.hpp"
+
+namespace asio {
+
+/// Provides stream-oriented socket functionality.
+/**
+ * The basic_stream_socket class template provides asynchronous and blocking
+ * stream-oriented socket functionality.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Read_Stream, Async_Write_Stream, Error_Source, IO_Object, Stream,
+ * Sync_Read_Stream, Sync_Write_Stream.
+ */
+template <typename Protocol,
+    typename Service = stream_socket_service<Protocol> >
+class basic_stream_socket
+  : public basic_socket<Protocol, Service>
+{
+public:
+  /// The native representation of a socket.
+  typedef typename Service::native_type native_type;
+
+  /// The protocol type.
+  typedef Protocol protocol_type;
+
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  /// Construct a basic_stream_socket without opening it.
+  /**
+   * This constructor creates a stream socket without opening it. The socket
+   * needs to be opened and then connected or accepted before data can be sent
+   * or received on it.
+   *
+   * @param io_service The io_service object that the stream socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   */
+  explicit basic_stream_socket(asio::io_service& io_service)
+    : basic_socket<Protocol, Service>(io_service)
+  {
+  }
+
+  /// Construct and open a basic_stream_socket.
+  /**
+   * This constructor creates and opens a stream socket. The socket needs to be
+   * connected or accepted before data can be sent or received on it.
+   *
+   * @param io_service The io_service object that the stream socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_stream_socket(asio::io_service& io_service,
+      const protocol_type& protocol)
+    : basic_socket<Protocol, Service>(io_service, protocol)
+  {
+  }
+
+  /// Construct a basic_stream_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a stream socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param io_service The io_service object that the stream socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the stream
+   * socket will be bound.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_stream_socket(asio::io_service& io_service,
+      const endpoint_type& endpoint)
+    : basic_socket<Protocol, Service>(io_service, endpoint)
+  {
+  }
+
+  /// Construct a basic_stream_socket on an existing native socket.
+  /**
+   * This constructor creates a stream socket object to hold an existing native
+   * socket.
+   *
+   * @param io_service The io_service object that the stream socket will use to
+   * dispatch handlers for any asynchronous operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  basic_stream_socket(asio::io_service& io_service,
+      const protocol_type& protocol, const native_type& native_socket)
+    : basic_socket<Protocol, Service>(io_service, protocol, native_socket)
+  {
+  }
+
+  /// Send some data on the socket.
+  /**
+   * This function is used to send data on the stream socket. The function
+   * call will block until one or more bytes of the data has been sent
+   * successfully, or an until error occurs.
+   *
+   * @param buffers One or more data buffers to be sent on the socket.
+   *
+   * @returns The number of bytes sent.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note The send operation may not transmit all of the data to the peer.
+   * Consider using the @ref write function if you need to ensure that all data
+   * is written before the blocking operation completes.
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.send(asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers>
+  std::size_t send(const Const_Buffers& buffers)
+  {
+    return this->service.send(this->implementation, buffers, 0, throw_error());
+  }
+
+  /// Send some data on the socket.
+  /**
+   * This function is used to send data on the stream socket. The function
+   * call will block until one or more bytes of the data has been sent
+   * successfully, or an until error occurs.
+   *
+   * @param buffers One or more data buffers to be sent on the socket.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @returns The number of bytes sent.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @note The send operation may not transmit all of the data to the peer.
+   * Consider using the @ref write function if you need to ensure that all data
+   * is written before the blocking operation completes.
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.send(asio::buffer(data, size), 0);
+   * @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers>
+  std::size_t send(const Const_Buffers& buffers,
+      socket_base::message_flags flags)
+  {
+    return this->service.send(this->implementation, buffers, flags,
+        throw_error());
+  }
+
+  /// Send some data on the socket.
+  /**
+   * This function is used to send data on the stream socket. The function
+   * call will block until one or more bytes of the data has been sent
+   * successfully, or an until error occurs.
+   *
+   * @param buffers One or more data buffers to be sent on the socket.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes sent. Returns 0 if an error occurred and the
+   * error handler did not throw an exception.
+   *
+   * @note The send operation may not transmit all of the data to the peer.
+   * Consider using the @ref write function if you need to ensure that all data
+   * is written before the blocking operation completes.
+   */
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t send(const Const_Buffers& buffers,
+      socket_base::message_flags flags,
+      Error_Handler error_handler)
+  {
+    return this->service.send(this->implementation, buffers, flags,
+        error_handler);
+  }
+
+  /// Start an asynchronous send.
+  /**
+   * This function is used to asynchronously send data on the stream socket.
+   * The function call always returns immediately.
+   *
+   * @param buffers One or more data buffers to be sent on the socket. Although
+   * the buffers object may be copied as necessary, ownership of the underlying
+   * memory blocks is retained by the caller, which must guarantee that they
+   * remain valid until the handler is called.
+   *
+   * @param handler The handler to be called when the send operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes sent.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The send operation may not transmit all of the data to the peer.
+   * Consider using the @ref async_write function if you need to ensure that all
+   * data is written before the asynchronous operation completes.
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.async_send(asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers, typename Handler>
+  void async_send(const Const_Buffers& buffers, Handler handler)
+  {
+    this->service.async_send(this->implementation, buffers, 0, handler);
+  }
+
+  /// Start an asynchronous send.
+  /**
+   * This function is used to asynchronously send data on the stream socket.
+   * The function call always returns immediately.
+   *
+   * @param buffers One or more data buffers to be sent on the socket. Although
+   * the buffers object may be copied as necessary, ownership of the underlying
+   * memory blocks is retained by the caller, which must guarantee that they
+   * remain valid until the handler is called.
+   *
+   * @param flags Flags specifying how the send call is to be made.
+   *
+   * @param handler The handler to be called when the send operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes sent.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The send operation may not transmit all of the data to the peer.
+   * Consider using the @ref async_write function if you need to ensure that all
+   * data is written before the asynchronous operation completes.
+   *
+   * @par Example:
+   * To send a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.async_send(asio::buffer(data, size), 0, handler);
+   * @endcode
+   * See the @ref buffer documentation for information on sending multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers, typename Handler>
+  void async_send(const Const_Buffers& buffers,
+      socket_base::message_flags flags, Handler handler)
+  {
+    this->service.async_send(this->implementation, buffers, flags, handler);
+  }
+
+  /// Receive some data on the socket.
+  /**
+   * This function is used to receive data on the stream socket. The function
+   * call will block until one or more bytes of data has been received
+   * successfully, or until an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @returns The number of bytes received.
+   *
+   * @throws asio::error Thrown on failure. An error code of
+   * asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The receive operation may not receive all of the requested number of
+   * bytes. Consider using the @ref read function if you need to ensure that the
+   * requested amount of data is read before the blocking operation completes.
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code
+   * socket.receive(asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t receive(const Mutable_Buffers& buffers)
+  {
+    return this->service.receive(this->implementation, buffers, 0,
+        throw_error());
+  }
+
+  /// Receive some data on the socket.
+  /**
+   * This function is used to receive data on the stream socket. The function
+   * call will block until one or more bytes of data has been received
+   * successfully, or until an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @returns The number of bytes received.
+   *
+   * @throws asio::error Thrown on failure. An error code of
+   * asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The receive operation may not receive all of the requested number of
+   * bytes. Consider using the @ref read function if you need to ensure that the
+   * requested amount of data is read before the blocking operation completes.
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code
+   * socket.receive(asio::buffer(data, size), 0);
+   * @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t receive(const Mutable_Buffers& buffers,
+      socket_base::message_flags flags)
+  {
+    return this->service.receive(this->implementation, buffers, flags,
+        throw_error());
+  }
+
+  /// Receive some data on a connected socket.
+  /**
+   * This function is used to receive data on the stream socket. The function
+   * call will block until one or more bytes of data has been received
+   * successfully, or until an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @returns The number of bytes received. Returns 0 if an error occurred and
+   * the error handler did not throw an exception.
+   *
+   * @note The receive operation may not receive all of the requested number of
+   * bytes. Consider using the @ref read function if you need to ensure that the
+   * requested amount of data is read before the blocking operation completes.
+   */
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t receive(const Mutable_Buffers& buffers,
+      socket_base::message_flags flags, Error_Handler error_handler)
+  {
+    return this->service.receive(this->implementation, buffers, flags,
+        error_handler);
+  }
+
+  /// Start an asynchronous receive.
+  /**
+   * This function is used to asynchronously receive data from the stream
+   * socket. The function call always returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param handler The handler to be called when the receive operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes received.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The receive operation may not receive all of the requested number of
+   * bytes. Consider using the @ref async_read function if you need to ensure
+   * that the requested amount of data is received before the asynchronous
+   * operation completes.
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code
+   * socket.async_receive(asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive(const Mutable_Buffers& buffers, Handler handler)
+  {
+    this->service.async_receive(this->implementation, buffers, 0, handler);
+  }
+
+  /// Start an asynchronous receive.
+  /**
+   * This function is used to asynchronously receive data from the stream
+   * socket. The function call always returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be received.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param flags Flags specifying how the receive call is to be made.
+   *
+   * @param handler The handler to be called when the receive operation
+   * completes. Copies will be made of the handler as required. The function
+   * signature of the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes received.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The receive operation may not receive all of the requested number of
+   * bytes. Consider using the @ref async_read function if you need to ensure
+   * that the requested amount of data is received before the asynchronous
+   * operation completes.
+   *
+   * @par Example:
+   * To receive into a single data buffer use the @ref buffer function as
+   * follows:
+   * @code
+   * socket.async_receive(asio::buffer(data, size), 0, handler);
+   * @endcode
+   * See the @ref buffer documentation for information on receiving into
+   * multiple buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive(const Mutable_Buffers& buffers,
+      socket_base::message_flags flags, Handler handler)
+  {
+    this->service.async_receive(this->implementation, buffers, flags, handler);
+  }
+
+  /// Write some data to the socket.
+  /**
+   * This function is used to write data to the stream socket. The function call
+   * will block until one or more bytes of the data has been written
+   * successfully, or until an error occurs.
+   *
+   * @param buffers One or more data buffers to be written to the socket.
+   *
+   * @returns The number of bytes written.
+   *
+   * @throws asio::error Thrown on failure. An error code of
+   * asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The write_some operation may not transmit all of the data to the
+   * peer. Consider using the @ref write function if you need to ensure that
+   * all data is written before the blocking operation completes.
+   *
+   * @par Example:
+   * To write a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.write_some(asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on writing multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers>
+  std::size_t write_some(const Const_Buffers& buffers)
+  {
+    return this->service.send(this->implementation, buffers, 0, throw_error());
+  }
+
+  /// Write some data to the socket.
+  /**
+   * This function is used to write data to the stream socket. The function call
+   * will block until one or more bytes of the data has been written
+   * successfully, or until an error occurs.
+   *
+   * @param buffers One or more data buffers to be written to the socket.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes written. Returns 0 if an error occurred and
+   * the error handler did not throw an exception.
+   *
+   * @note The write_some operation may not transmit all of the data to the
+   * peer. Consider using the @ref write function if you need to ensure that
+   * all data is written before the blocking operation completes.
+   */
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t write_some(const Const_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    return this->service.send(this->implementation, buffers, 0, error_handler);
+  }
+
+  /// Start an asynchronous write.
+  /**
+   * This function is used to asynchronously write data to the stream socket.
+   * The function call always returns immediately.
+   *
+   * @param buffers One or more data buffers to be written to the socket.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param handler The handler to be called when the write operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes written.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The write operation may not transmit all of the data to the peer.
+   * Consider using the @ref async_write function if you need to ensure that all
+   * data is written before the asynchronous operation completes.
+   *
+   * @par Example:
+   * To write a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.async_write_some(asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on writing multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Const_Buffers, typename Handler>
+  void async_write_some(const Const_Buffers& buffers, Handler handler)
+  {
+    this->service.async_send(this->implementation, buffers, 0, handler);
+  }
+
+  /// Read some data from the socket.
+  /**
+   * This function is used to read data from the stream socket. The function
+   * call will block until one or more bytes of data has been read successfully,
+   * or until an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @returns The number of bytes read.
+   *
+   * @throws asio::error Thrown on failure. An error code of
+   * asio::error::eof indicates that the connection was closed by the
+   * peer.
+   *
+   * @note The read_some operation may not read all of the requested number of
+   * bytes. Consider using the @ref read function if you need to ensure that
+   * the requested amount of data is read before the blocking operation
+   * completes.
+   *
+   * @par Example:
+   * To read into a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.read_some(asio::buffer(data, size));
+   * @endcode
+   * See the @ref buffer documentation for information on reading into multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t read_some(const Mutable_Buffers& buffers)
+  {
+    return this->service.receive(this->implementation, buffers, 0,
+        throw_error());
+  }
+
+  /// Read some data from the socket.
+  /**
+   * This function is used to read data from the stream socket. The function
+   * call will block until one or more bytes of data has been read successfully,
+   * or until an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes read. Returns 0 if an error occurred and the
+   * error handler did not throw an exception.
+   *
+   * @note The read_some operation may not read all of the requested number of
+   * bytes. Consider using the @ref read function if you need to ensure that
+   * the requested amount of data is read before the blocking operation
+   * completes.
+   */
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t read_some(const Mutable_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    return this->service.receive(this->implementation, buffers, 0,
+        error_handler);
+  }
+
+  /// Start an asynchronous read.
+  /**
+   * This function is used to asynchronously read data from the stream socket.
+   * The function call always returns immediately.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   * Although the buffers object may be copied as necessary, ownership of the
+   * underlying memory blocks is retained by the caller, which must guarantee
+   * that they remain valid until the handler is called.
+   *
+   * @param handler The handler to be called when the read operation completes.
+   * Copies will be made of the handler as required. The function signature of
+   * the handler must be:
+   * @code void handler(
+   *   const asio::error& error,     // Result of operation.
+   *   std::size_t bytes_transferred // Number of bytes read.
+   * ); @endcode
+   * Regardless of whether the asynchronous operation completes immediately or
+   * not, the handler will not be invoked from within this function. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * asio::io_service::post().
+   *
+   * @note The read operation may not read all of the requested number of bytes.
+   * Consider using the @ref async_read function if you need to ensure that the
+   * requested amount of data is read before the asynchronous operation
+   * completes.
+   *
+   * @par Example:
+   * To read into a single data buffer use the @ref buffer function as follows:
+   * @code
+   * socket.async_read_some(asio::buffer(data, size), handler);
+   * @endcode
+   * See the @ref buffer documentation for information on reading into multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers, typename Handler>
+  void async_read_some(const Mutable_Buffers& buffers, Handler handler)
+  {
+    this->service.async_receive(this->implementation, buffers, 0, handler);
+  }
+
+  /// Peek at the incoming data on the stream socket.
+  /**
+   * This function is used to peek at the incoming data on the stream socket,
+   * without removing it from the input queue. The function call will block
+   * until data has been read successfully or an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @returns The number of bytes read.
+   *
+   * @throws asio::error Thrown on failure.
+   *
+   * @par Example:
+   * To peek using a single data buffer use the @ref buffer function as
+   * follows:
+   * @code socket.peek(asio::buffer(data, size)); @endcode
+   * See the @ref buffer documentation for information on using multiple
+   * buffers in one go, and how to use it with arrays, boost::array or
+   * std::vector.
+   */
+  template <typename Mutable_Buffers>
+  std::size_t peek(const Mutable_Buffers& buffers)
+  {
+    return this->service.receive(this->implementation, buffers,
+        socket_base::message_peek, throw_error());
+  }
+
+  /// Peek at the incoming data on the stream socket.
+  /**
+   * This function is used to peek at the incoming data on the stream socket,
+   * without removing it from the input queue. The function call will block
+   * until data has been read successfully or an error occurs.
+   *
+   * @param buffers One or more buffers into which the data will be read.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation.
+   * ); @endcode
+   *
+   * @returns The number of bytes read. Returns 0 if an error occurred and the
+   * error handler did not throw an exception.
+   */
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t peek(const Mutable_Buffers& buffers, Error_Handler error_handler)
+  {
+    return this->service.receive(this->implementation, buffers,
+        socket_base::message_peek, error_handler);
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  /**
+   * This function is used to determine the amount of data, in bytes, that may
+   * be read from the stream socket without blocking.
+   *
+   * @returns The number of bytes of data that can be read without blocking.
+   *
+   * @throws asio::error Thrown on failure.
+   */
+  std::size_t in_avail()
+  {
+    socket_base::bytes_readable command;
+    this->service.io_control(this->implementation, command, throw_error());
+    return command.get();
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  /**
+   * This function is used to determine the amount of data, in bytes, that may
+   * be read from the stream socket without blocking.
+   *
+   * @param error_handler A handler to be called when the operation completes,
+   * to indicate whether or not an error has occurred. Copies will be made of
+   * the handler as required. The function signature of the handler must be:
+   * @code void error_handler(
+   *   const asio::error& error // Result of operation
+   * ); @endcode
+   *
+   * @returns The number of bytes of data that can be read without blocking.
+   */
+  template <typename Error_Handler>
+  std::size_t in_avail(Error_Handler error_handler)
+  {
+    socket_base::bytes_readable command;
+    this->service.io_control(this->implementation, command, error_handler);
+    return command.get();
+  }
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_STREAM_SOCKET_HPP

library/include/libtorrent/asio/basic_streambuf.hpp

@@ -0,0 +1,200 @@
+//
+// basic_streambuf.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BASIC_STREAMBUF_HPP
+#define ASIO_BASIC_STREAMBUF_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <algorithm>
+#include <limits>
+#include <memory>
+#include <stdexcept>
+#include <streambuf>
+#include <vector>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/buffer.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+
+/// Automatically resizable buffer class based on std::streambuf.
+template <typename Allocator = std::allocator<char> >
+class basic_streambuf
+  : public std::streambuf,
+    private noncopyable
+{
+public:
+#if defined(GENERATING_DOCUMENTATION)
+  /// The type used to represent the get area as a list of buffers.
+  typedef implementation_defined const_buffers_type;
+
+  /// The type used to represent the put area as a list of buffers.
+  typedef implementation_defined mutable_buffers_type;
+#else
+  typedef asio::const_buffer_container_1 const_buffers_type;
+  typedef asio::mutable_buffer_container_1 mutable_buffers_type;
+#endif
+
+  /// Construct a buffer with a specified maximum size.
+  explicit basic_streambuf(
+      std::size_t max_size = (std::numeric_limits<std::size_t>::max)(),
+      const Allocator& allocator = Allocator())
+    : max_size_(max_size),
+      buffer_(allocator)
+  {
+    std::size_t pend = (std::min<std::size_t>)(max_size_, buffer_delta);
+    buffer_.resize((std::max<std::size_t>)(pend, 1));
+    setg(&buffer_[0], &buffer_[0], &buffer_[0]);
+    setp(&buffer_[0], &buffer_[0] + pend);
+  }
+
+  /// Return the size of the get area in characters.
+  std::size_t size() const
+  {
+    return pptr() - gptr();
+  }
+
+  /// Return the maximum size of the buffer.
+  std::size_t max_size() const
+  {
+    return max_size_;
+  }
+
+  /// Get a list of buffers that represents the get area.
+  const_buffers_type data() const
+  {
+    return asio::buffer(asio::const_buffer(gptr(),
+          (pptr() - gptr()) * sizeof(char_type)));
+  }
+
+  /// Get a list of buffers that represents the put area, with the given size.
+  mutable_buffers_type prepare(std::size_t size)
+  {
+    reserve(size);
+    return asio::buffer(asio::mutable_buffer(
+          pptr(), size * sizeof(char_type)));
+  }
+
+  /// Move the start of the put area by the specified number of characters.
+  void commit(std::size_t n)
+  {
+    if (pptr() + n > epptr())
+      n = epptr() - pptr();
+    pbump(static_cast<int>(n));
+  }
+
+  /// Move the start of the get area by the specified number of characters.
+  void consume(std::size_t n)
+  {
+    while (n > 0)
+    {
+      sbumpc();
+      --n;
+    }
+  }
+
+protected:
+  enum { buffer_delta = 128 };
+
+  int_type underflow()
+  {
+    if (gptr() < pptr())
+    {
+      setg(&buffer_[0], gptr(), pptr());
+      return traits_type::to_int_type(*gptr());
+    }
+    else
+    {
+      return traits_type::eof();
+    }
+  }
+
+  int_type overflow(int_type c)
+  {
+    if (!traits_type::eq_int_type(c, traits_type::eof()))
+    {
+      if (pptr() == epptr())
+      {
+        std::size_t buffer_size = pptr() - gptr();
+        if (buffer_size < max_size_ && max_size_ - buffer_size < buffer_delta)
+        {
+          reserve(max_size_ - buffer_size);
+        }
+        else
+        {
+          reserve(buffer_delta);
+        }
+      }
+
+      *pptr() = traits_type::to_char_type(c);
+      pbump(1);
+      return c;
+    }
+
+    return traits_type::not_eof(c);
+  }
+
+  void reserve(std::size_t n)
+  {
+    // Get current stream positions as offsets.
+    std::size_t gnext = gptr() - &buffer_[0];
+    std::size_t gend = egptr() - &buffer_[0];
+    std::size_t pnext = pptr() - &buffer_[0];
+    std::size_t pend = epptr() - &buffer_[0];
+
+    // Check if there is already enough space in the put area.
+    if (n <= pend - pnext)
+    {
+      return;
+    }
+
+    // Shift existing contents of get area to start of buffer.
+    if (gnext > 0)
+    {
+      std::rotate(&buffer_[0], &buffer_[0] + gnext, &buffer_[0] + pend);
+      gend -= gnext;
+      pnext -= gnext;
+    }
+
+    // Ensure buffer is large enough to hold at least the specified size.
+    if (n > pend - pnext)
+    {
+      if (n <= max_size_ && pnext <= max_size_ - n)
+      {
+        buffer_.resize((std::max<std::size_t>)(pnext + n, 1));
+      }
+      else
+      {
+        throw std::length_error("asio::streambuf too long");
+      }
+    }
+
+    // Update stream positions.
+    setg(&buffer_[0], &buffer_[0], &buffer_[0] + gend);
+    setp(&buffer_[0] + pnext, &buffer_[0] + pnext + n);
+  }
+
+private:
+  std::size_t max_size_;
+  std::vector<char_type, Allocator> buffer_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BASIC_STREAMBUF_HPP

library/include/libtorrent/asio/buffer.hpp

@@ -0,0 +1,639 @@
+//
+// buffer.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BUFFER_HPP
+#define ASIO_BUFFER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include <boost/array.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <string>
+#include <vector>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+
+class mutable_buffer;
+class const_buffer;
+
+namespace detail {
+void* buffer_cast_helper(const mutable_buffer&);
+const void* buffer_cast_helper(const const_buffer&);
+std::size_t buffer_size_helper(const mutable_buffer&);
+std::size_t buffer_size_helper(const const_buffer&);
+} // namespace detail
+
+/// Holds a buffer that can be modified.
+/**
+ * The mutable_buffer class provides a safe representation of a buffer that can
+ * be modified. It does not own the underlying data, and so is cheap to copy or
+ * assign.
+ */
+class mutable_buffer
+{
+public:
+  /// Construct an empty buffer.
+  mutable_buffer()
+    : data_(0),
+      size_(0)
+  {
+  }
+
+  /// Construct a buffer to represent a given memory range.
+  mutable_buffer(void* data, std::size_t size)
+    : data_(data),
+      size_(size)
+  {
+  }
+
+private:
+  friend void* asio::detail::buffer_cast_helper(
+      const mutable_buffer& b);
+  friend std::size_t asio::detail::buffer_size_helper(
+      const mutable_buffer& b);
+
+  void* data_;
+  std::size_t size_;
+};
+
+namespace detail {
+
+inline void* buffer_cast_helper(const mutable_buffer& b)
+{
+  return b.data_;
+}
+
+inline std::size_t buffer_size_helper(const mutable_buffer& b)
+{
+  return b.size_;
+}
+
+} // namespace detail
+
+/// Cast a non-modifiable buffer to a specified pointer to POD type.
+/**
+ * @relates mutable_buffer
+ */
+template <typename Pointer_To_Pod_Type>
+inline Pointer_To_Pod_Type buffer_cast(const mutable_buffer& b)
+{
+  return static_cast<Pointer_To_Pod_Type>(detail::buffer_cast_helper(b));
+}
+
+/// Get the number of bytes in a non-modifiable buffer.
+/**
+ * @relates mutable_buffer
+ */
+inline std::size_t buffer_size(const mutable_buffer& b)
+{
+  return detail::buffer_size_helper(b);
+}
+
+/// Create a new modifiable buffer that is offset from the start of another.
+/**
+ * @relates mutable_buffer
+ */
+inline mutable_buffer operator+(const mutable_buffer& b, std::size_t start)
+{
+  if (start > buffer_size(b))
+    return mutable_buffer();
+  char* new_data = buffer_cast<char*>(b) + start;
+  std::size_t new_size = buffer_size(b) - start;
+  return mutable_buffer(new_data, new_size);
+}
+
+/// Create a new modifiable buffer that is offset from the start of another.
+/**
+ * @relates mutable_buffer
+ */
+inline mutable_buffer operator+(std::size_t start, const mutable_buffer& b)
+{
+  if (start > buffer_size(b))
+    return mutable_buffer();
+  char* new_data = buffer_cast<char*>(b) + start;
+  std::size_t new_size = buffer_size(b) - start;
+  return mutable_buffer(new_data, new_size);
+}
+
+/// Adapts a single modifiable buffer so that it meets the requirements of the
+/// Mutable_Buffers concept.
+class mutable_buffer_container_1
+  : public mutable_buffer
+{
+public:
+  /// The type for each element in the list of buffers.
+  typedef mutable_buffer value_type;
+
+  /// A random-access iterator type that may be used to read elements.
+  typedef const mutable_buffer* const_iterator;
+
+  /// Construct to represent a single modifiable buffer.
+  explicit mutable_buffer_container_1(const mutable_buffer& b)
+    : mutable_buffer(b)
+  {
+  }
+
+  /// Get a random-access iterator to the first element.
+  const_iterator begin() const
+  {
+    return this;
+  }
+
+  /// Get a random-access iterator for one past the last element.
+  const_iterator end() const
+  {
+    return begin() + 1;
+  }
+};
+
+/// Holds a buffer that cannot be modified.
+/**
+ * The const_buffer class provides a safe representation of a buffer that cannot
+ * be modified. It does not own the underlying data, and so is cheap to copy or
+ * assign.
+ */
+class const_buffer
+{
+public:
+  /// Construct an empty buffer.
+  const_buffer()
+    : data_(0),
+      size_(0)
+  {
+  }
+
+  /// Construct a buffer to represent a given memory range.
+  const_buffer(const void* data, std::size_t size)
+    : data_(data),
+      size_(size)
+  {
+  }
+
+  /// Construct a non-modifiable buffer from a modifiable one.
+  const_buffer(const mutable_buffer& b)
+    : data_(asio::detail::buffer_cast_helper(b)),
+      size_(asio::detail::buffer_size_helper(b))
+  {
+  }
+
+private:
+  friend const void* asio::detail::buffer_cast_helper(
+      const const_buffer& b);
+  friend std::size_t asio::detail::buffer_size_helper(
+      const const_buffer& b);
+
+  const void* data_;
+  std::size_t size_;
+};
+
+namespace detail {
+
+inline const void* buffer_cast_helper(const const_buffer& b)
+{
+  return b.data_;
+}
+
+inline std::size_t buffer_size_helper(const const_buffer& b)
+{
+  return b.size_;
+}
+
+} // namespace detail
+
+/// Cast a non-modifiable buffer to a specified pointer to POD type.
+/**
+ * @relates const_buffer
+ */
+template <typename Pointer_To_Pod_Type>
+inline Pointer_To_Pod_Type buffer_cast(const const_buffer& b)
+{
+  return static_cast<Pointer_To_Pod_Type>(detail::buffer_cast_helper(b));
+}
+
+/// Get the number of bytes in a non-modifiable buffer.
+/**
+ * @relates const_buffer
+ */
+inline std::size_t buffer_size(const const_buffer& b)
+{
+  return detail::buffer_size_helper(b);
+}
+
+/// Create a new non-modifiable buffer that is offset from the start of another.
+/**
+ * @relates const_buffer
+ */
+inline const_buffer operator+(const const_buffer& b, std::size_t start)
+{
+  if (start > buffer_size(b))
+    return const_buffer();
+  const char* new_data = buffer_cast<const char*>(b) + start;
+  std::size_t new_size = buffer_size(b) - start;
+  return const_buffer(new_data, new_size);
+}
+
+/// Create a new non-modifiable buffer that is offset from the start of another.
+/**
+ * @relates const_buffer
+ */
+inline const_buffer operator+(std::size_t start, const const_buffer& b)
+{
+  if (start > buffer_size(b))
+    return const_buffer();
+  const char* new_data = buffer_cast<const char*>(b) + start;
+  std::size_t new_size = buffer_size(b) - start;
+  return const_buffer(new_data, new_size);
+}
+
+/// Adapts a single non-modifiable buffer so that it meets the requirements of
+/// the Const_Buffers concept.
+class const_buffer_container_1
+  : public const_buffer
+{
+public:
+  /// The type for each element in the list of buffers.
+  typedef const_buffer value_type;
+
+  /// A random-access iterator type that may be used to read elements.
+  typedef const const_buffer* const_iterator;
+
+  /// Construct to represent a single non-modifiable buffer.
+  explicit const_buffer_container_1(const const_buffer& b)
+    : const_buffer(b)
+  {
+  }
+
+  /// Get a random-access iterator to the first element.
+  const_iterator begin() const
+  {
+    return this;
+  }
+
+  /// Get a random-access iterator for one past the last element.
+  const_iterator end() const
+  {
+    return begin() + 1;
+  }
+};
+
+/** @defgroup buffer asio::buffer
+ *
+ * @brief The asio::buffer function is used to create a buffer object to
+ * represent raw memory, an array of POD elements, or a vector of POD elements.
+ *
+ * The simplest use case involves reading or writing a single buffer of a
+ * specified size:
+ *
+ * @code sock.write(asio::buffer(data, size)); @endcode
+ *
+ * In the above example, the return value of asio::buffer meets the
+ * requirements of the Const_Buffers concept so that it may be directly passed
+ * to the socket's write function. A buffer created for modifiable memory also
+ * meets the requirements of the Mutable_Buffers concept.
+ *
+ * An individual buffer may be created from a builtin array, std::vector or
+ * boost::array of POD elements. This helps prevent buffer overruns by
+ * automatically determining the size of the buffer:
+ *
+ * @code char d1[128];
+ * size_t bytes_transferred = sock.read(asio::buffer(d1));
+ *
+ * std::vector<char> d2(128);
+ * bytes_transferred = sock.read(asio::buffer(d2));
+ *
+ * boost::array<char, 128> d3;
+ * bytes_transferred = sock.read(asio::buffer(d3)); @endcode
+ *
+ * To read or write using multiple buffers (i.e. scatter-gather I/O), multiple
+ * buffer objects may be assigned into a container that supports the
+ * Mutable_Buffers (for read) or Const_Buffers (for write) concepts:
+ *
+ * @code
+ * char d1[128];
+ * std::vector<char> d2(128);
+ * boost::array<char, 128> d3;
+ *
+ * boost::array<mutable_buffer, 3> bufs1 = {
+ *   asio::buffer(d1),
+ *   asio::buffer(d2),
+ *   asio::buffer(d3) };
+ * bytes_transferred = sock.read(bufs1);
+ *
+ * std::vector<const_buffer> bufs2;
+ * bufs2.push_back(asio::buffer(d1));
+ * bufs2.push_back(asio::buffer(d2));
+ * bufs2.push_back(asio::buffer(d3));
+ * bytes_transferred = sock.write(bufs2); @endcode
+ */
+/*@{*/
+
+/// Create a new modifiable buffer from an existing buffer.
+inline mutable_buffer_container_1 buffer(const mutable_buffer& b)
+{
+  return mutable_buffer_container_1(b);
+}
+
+/// Create a new modifiable buffer from an existing buffer.
+inline mutable_buffer_container_1 buffer(const mutable_buffer& b,
+    std::size_t max_size_in_bytes)
+{
+  return mutable_buffer_container_1(
+      mutable_buffer(buffer_cast<void*>(b),
+        buffer_size(b) < max_size_in_bytes
+        ? buffer_size(b) : max_size_in_bytes));
+}
+
+/// Create a new non-modifiable buffer from an existing buffer.
+inline const_buffer_container_1 buffer(const const_buffer& b)
+{
+  return const_buffer_container_1(b);
+}
+
+/// Create a new non-modifiable buffer from an existing buffer.
+inline const_buffer_container_1 buffer(const const_buffer& b,
+    std::size_t max_size_in_bytes)
+{
+  return const_buffer_container_1(
+      const_buffer(buffer_cast<const void*>(b),
+        buffer_size(b) < max_size_in_bytes
+        ? buffer_size(b) : max_size_in_bytes));
+}
+
+/// Create a new modifiable buffer that represents the given memory range.
+inline mutable_buffer_container_1 buffer(void* data, std::size_t size_in_bytes)
+{
+  return mutable_buffer_container_1(mutable_buffer(data, size_in_bytes));
+}
+
+/// Create a new non-modifiable buffer that represents the given memory range.
+inline const_buffer_container_1 buffer(const void* data,
+    std::size_t size_in_bytes)
+{
+  return const_buffer_container_1(const_buffer(data, size_in_bytes));
+}
+
+/// Create a new modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline mutable_buffer_container_1 buffer(Pod_Type (&data)[N])
+{
+  return mutable_buffer_container_1(mutable_buffer(data, N * sizeof(Pod_Type)));
+}
+ 
+/// Create a new modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline mutable_buffer_container_1 buffer(Pod_Type (&data)[N],
+    std::size_t max_size_in_bytes)
+{
+  return mutable_buffer_container_1(
+      mutable_buffer(data,
+        N * sizeof(Pod_Type) < max_size_in_bytes
+        ? N * sizeof(Pod_Type) : max_size_in_bytes));
+}
+ 
+/// Create a new non-modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline const_buffer_container_1 buffer(const Pod_Type (&data)[N])
+{
+  return const_buffer_container_1(const_buffer(data, N * sizeof(Pod_Type)));
+}
+
+/// Create a new non-modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline const_buffer_container_1 buffer(const Pod_Type (&data)[N],
+    std::size_t max_size_in_bytes)
+{
+  return const_buffer_container_1(
+      const_buffer(data,
+        N * sizeof(Pod_Type) < max_size_in_bytes
+        ? N * sizeof(Pod_Type) : max_size_in_bytes));
+}
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+
+// Borland C++ thinks the overloads:
+//
+//   unspecified buffer(boost::array<Pod_Type, N>& array ...);
+//
+// and
+//
+//   unspecified buffer(boost::array<const Pod_Type, N>& array ...);
+//
+// are ambiguous. This will be worked around by using a buffer_types traits
+// class that contains typedefs for the appropriate buffer and container
+// classes, based on whether Pod_Type is const or non-const.
+
+namespace detail {
+
+template <bool IsConst>
+struct buffer_types_base;
+
+template <>
+struct buffer_types_base<false>
+{
+  typedef mutable_buffer buffer_type;
+  typedef mutable_buffer_container_1 container_type;
+};
+
+template <>
+struct buffer_types_base<true>
+{
+  typedef const_buffer buffer_type;
+  typedef const_buffer_container_1 container_type;
+};
+
+template <typename Pod_Type>
+struct buffer_types
+  : public buffer_types_base<boost::is_const<Pod_Type>::value>
+{
+};
+
+} // namespace detail
+
+template <typename Pod_Type, std::size_t N>
+inline typename detail::buffer_types<Pod_Type>::container_type
+buffer(boost::array<Pod_Type, N>& data)
+{
+  typedef typename asio::detail::buffer_types<Pod_Type>::buffer_type
+    buffer_type;
+  typedef typename asio::detail::buffer_types<Pod_Type>::container_type
+    container_type;
+  return container_type(
+      buffer_type(data.c_array(), data.size() * sizeof(Pod_Type)));
+}
+
+template <typename Pod_Type, std::size_t N>
+inline typename detail::buffer_types<Pod_Type>::container_type
+buffer(boost::array<Pod_Type, N>& data, std::size_t max_size_in_bytes)
+{
+  typedef typename asio::detail::buffer_types<Pod_Type>::buffer_type
+    buffer_type;
+  typedef typename asio::detail::buffer_types<Pod_Type>::container_type
+    container_type;
+  return container_type(
+      buffer_type(data.c_array(),
+        data.size() * sizeof(Pod_Type) < max_size_in_bytes
+        ? data.size() * sizeof(Pod_Type) : max_size_in_bytes));
+}
+
+#else // BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+
+/// Create a new modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline mutable_buffer_container_1 buffer(boost::array<Pod_Type, N>& data)
+{
+  return mutable_buffer_container_1(
+      mutable_buffer(data.c_array(), data.size() * sizeof(Pod_Type)));
+}
+
+/// Create a new modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline mutable_buffer_container_1 buffer(boost::array<Pod_Type, N>& data,
+    std::size_t max_size_in_bytes)
+{
+  return mutable_buffer_container_1(
+      mutable_buffer(data.c_array(),
+        data.size() * sizeof(Pod_Type) < max_size_in_bytes
+        ? data.size() * sizeof(Pod_Type) : max_size_in_bytes));
+}
+
+/// Create a new non-modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline const_buffer_container_1 buffer(boost::array<const Pod_Type, N>& data)
+{
+  return const_buffer_container_1(
+      const_buffer(data.data(), data.size() * sizeof(Pod_Type)));
+}
+
+/// Create a new non-modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline const_buffer_container_1 buffer(boost::array<const Pod_Type, N>& data,
+    std::size_t max_size_in_bytes)
+{
+  return const_buffer_container_1(
+      const_buffer(data.data(),
+        data.size() * sizeof(Pod_Type) < max_size_in_bytes
+        ? data.size() * sizeof(Pod_Type) : max_size_in_bytes));
+}
+
+#endif // BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+
+/// Create a new non-modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline const_buffer_container_1 buffer(const boost::array<Pod_Type, N>& data)
+{
+  return const_buffer_container_1(
+      const_buffer(data.data(), data.size() * sizeof(Pod_Type)));
+}
+
+/// Create a new non-modifiable buffer that represents the given POD array.
+template <typename Pod_Type, std::size_t N>
+inline const_buffer_container_1 buffer(const boost::array<Pod_Type, N>& data,
+    std::size_t max_size_in_bytes)
+{
+  return const_buffer_container_1(
+      const_buffer(data.data(),
+        data.size() * sizeof(Pod_Type) < max_size_in_bytes
+        ? data.size() * sizeof(Pod_Type) : max_size_in_bytes));
+}
+
+/// Create a new modifiable buffer that represents the given POD vector.
+/**
+ * @note The buffer is invalidated by any vector operation that would also
+ * invalidate iterators.
+ */
+template <typename Pod_Type, typename Allocator>
+inline mutable_buffer_container_1 buffer(std::vector<Pod_Type, Allocator>& data)
+{
+  return mutable_buffer_container_1(
+      mutable_buffer(&data[0], data.size() * sizeof(Pod_Type)));
+}
+
+/// Create a new modifiable buffer that represents the given POD vector.
+/**
+ * @note The buffer is invalidated by any vector operation that would also
+ * invalidate iterators.
+ */
+template <typename Pod_Type, typename Allocator>
+inline mutable_buffer_container_1 buffer(std::vector<Pod_Type, Allocator>& data,
+    std::size_t max_size_in_bytes)
+{
+  return mutable_buffer_container_1(
+      mutable_buffer(&data[0],
+        data.size() * sizeof(Pod_Type) < max_size_in_bytes
+        ? data.size() * sizeof(Pod_Type) : max_size_in_bytes));
+}
+
+/// Create a new non-modifiable buffer that represents the given POD vector.
+/**
+ * @note The buffer is invalidated by any vector operation that would also
+ * invalidate iterators.
+ */
+template <typename Pod_Type, typename Allocator>
+inline const_buffer_container_1 buffer(
+    const std::vector<Pod_Type, Allocator>& data)
+{
+  return const_buffer_container_1(
+      const_buffer(&data[0], data.size() * sizeof(Pod_Type)));
+}
+
+/// Create a new non-modifiable buffer that represents the given POD vector.
+/**
+ * @note The buffer is invalidated by any vector operation that would also
+ * invalidate iterators.
+ */
+template <typename Pod_Type, typename Allocator>
+inline const_buffer_container_1 buffer(
+    const std::vector<Pod_Type, Allocator>& data, std::size_t max_size_in_bytes)
+{
+  return const_buffer_container_1(
+      const_buffer(&data[0],
+        data.size() * sizeof(Pod_Type) < max_size_in_bytes
+        ? data.size() * sizeof(Pod_Type) : max_size_in_bytes));
+}
+
+/// Create a new non-modifiable buffer that represents the given string.
+/**
+ * @note The buffer is invalidated by any non-const operation called on the
+ * given string object.
+ */
+inline const_buffer_container_1 buffer(const std::string& data)
+{
+  return const_buffer_container_1(const_buffer(data.data(), data.size()));
+}
+
+/// Create a new non-modifiable buffer that represents the given string.
+/**
+ * @note The buffer is invalidated by any non-const operation called on the
+ * given string object.
+ */
+inline const_buffer_container_1 buffer(const std::string& data,
+    std::size_t max_size_in_bytes)
+{
+  return const_buffer_container_1(
+      const_buffer(data.data(),
+        data.size() < max_size_in_bytes
+        ? data.size() : max_size_in_bytes));
+}
+
+/*@}*/
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BUFFER_HPP

library/include/libtorrent/asio/buffered_read_stream.hpp

@@ -0,0 +1,407 @@
+//
+// buffered_read_stream.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BUFFERED_READ_STREAM_HPP
+#define ASIO_BUFFERED_READ_STREAM_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <cstring>
+#include <boost/config.hpp>
+#include <boost/type_traits.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/buffered_read_stream_fwd.hpp"
+#include "asio/buffer.hpp"
+#include "asio/error.hpp"
+#include "asio/io_service.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/buffer_resize_guard.hpp"
+#include "asio/detail/buffered_stream_storage.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+
+/// Adds buffering to the read-related operations of a stream.
+/**
+ * The buffered_read_stream class template can be used to add buffering to the
+ * synchronous and asynchronous read operations of a stream.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Object, Async_Read_Stream, Async_Write_Stream, Error_Source, Stream,
+ * Sync_Read_Stream, Sync_Write_Stream.
+ */
+template <typename Stream>
+class buffered_read_stream
+  : private noncopyable
+{
+public:
+  /// The type of the next layer.
+  typedef typename boost::remove_reference<Stream>::type next_layer_type;
+
+  /// The type of the lowest layer.
+  typedef typename next_layer_type::lowest_layer_type lowest_layer_type;
+
+  /// The type used for reporting errors.
+  typedef typename next_layer_type::error_type error_type;
+
+#if defined(GENERATING_DOCUMENTATION)
+  /// The default buffer size.
+  static const std::size_t default_buffer_size = implementation_defined;
+#else
+  BOOST_STATIC_CONSTANT(std::size_t, default_buffer_size = 1024);
+#endif
+
+  /// Construct, passing the specified argument to initialise the next layer.
+  template <typename Arg>
+  explicit buffered_read_stream(Arg& a)
+    : next_layer_(a),
+      storage_(default_buffer_size)
+  {
+  }
+
+  /// Construct, passing the specified argument to initialise the next layer.
+  template <typename Arg>
+  buffered_read_stream(Arg& a, std::size_t buffer_size)
+    : next_layer_(a),
+      storage_(buffer_size)
+  {
+  }
+
+  /// Get a reference to the next layer.
+  next_layer_type& next_layer()
+  {
+    return next_layer_;
+  }
+
+  /// Get a reference to the lowest layer.
+  lowest_layer_type& lowest_layer()
+  {
+    return next_layer_.lowest_layer();
+  }
+
+  /// Get the io_service associated with the object.
+  asio::io_service& io_service()
+  {
+    return next_layer_.io_service();
+  }
+
+  /// Close the stream.
+  void close()
+  {
+    next_layer_.close();
+  }
+
+  /// Close the stream.
+  template <typename Error_Handler>
+  void close(Error_Handler error_handler)
+  {
+    next_layer_.close(error_handler);
+  }
+
+  /// Write the given data to the stream. Returns the number of bytes written.
+  /// Throws an exception on failure.
+  template <typename Const_Buffers>
+  std::size_t write_some(const Const_Buffers& buffers)
+  {
+    return next_layer_.write_some(buffers);
+  }
+
+  /// Write the given data to the stream. Returns the number of bytes written,
+  /// or 0 if an error occurred and the error handler did not throw.
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t write_some(const Const_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    return next_layer_.write_some(buffers, error_handler);
+  }
+
+  /// Start an asynchronous write. The data being written must be valid for the
+  /// lifetime of the asynchronous operation.
+  template <typename Const_Buffers, typename Handler>
+  void async_write_some(const Const_Buffers& buffers, Handler handler)
+  {
+    next_layer_.async_write_some(buffers, handler);
+  }
+
+  /// Fill the buffer with some data. Returns the number of bytes placed in the
+  /// buffer as a result of the operation. Throws an exception on failure.
+  std::size_t fill()
+  {
+    detail::buffer_resize_guard<detail::buffered_stream_storage>
+      resize_guard(storage_);
+    std::size_t previous_size = storage_.size();
+    storage_.resize(storage_.capacity());
+    storage_.resize(previous_size + next_layer_.read_some(buffer(
+            storage_.data() + previous_size,
+            storage_.size() - previous_size)));
+    resize_guard.commit();
+    return storage_.size() - previous_size;
+  }
+
+  /// Fill the buffer with some data. Returns the number of bytes placed in the
+  /// buffer as a result of the operation, or 0 if an error occurred and the
+  /// error handler did not throw.
+  template <typename Error_Handler>
+  std::size_t fill(Error_Handler error_handler)
+  {
+    detail::buffer_resize_guard<detail::buffered_stream_storage>
+      resize_guard(storage_);
+    std::size_t previous_size = storage_.size();
+    storage_.resize(storage_.capacity());
+    storage_.resize(previous_size + next_layer_.read_some(buffer(
+            storage_.data() + previous_size,
+            storage_.size() - previous_size),
+          error_handler));
+    resize_guard.commit();
+    return storage_.size() - previous_size;
+  }
+
+  template <typename Handler>
+  class fill_handler
+  {
+  public:
+    fill_handler(asio::io_service& io_service,
+        detail::buffered_stream_storage& storage,
+        std::size_t previous_size, Handler handler)
+      : io_service_(io_service),
+        storage_(storage),
+        previous_size_(previous_size),
+        handler_(handler)
+    {
+    }
+
+    template <typename Error>
+    void operator()(const Error& e, std::size_t bytes_transferred)
+    {
+      storage_.resize(previous_size_ + bytes_transferred);
+      io_service_.dispatch(detail::bind_handler(
+            handler_, e, bytes_transferred));
+    }
+
+  private:
+    asio::io_service& io_service_;
+    detail::buffered_stream_storage& storage_;
+    std::size_t previous_size_;
+    Handler handler_;
+  };
+
+  /// Start an asynchronous fill.
+  template <typename Handler>
+  void async_fill(Handler handler)
+  {
+    std::size_t previous_size = storage_.size();
+    storage_.resize(storage_.capacity());
+    next_layer_.async_read_some(
+        buffer(
+          storage_.data() + previous_size,
+          storage_.size() - previous_size),
+        fill_handler<Handler>(io_service(), storage_, previous_size, handler));
+  }
+
+  /// Read some data from the stream. Returns the number of bytes read. Throws
+  /// an exception on failure.
+  template <typename Mutable_Buffers>
+  std::size_t read_some(const Mutable_Buffers& buffers)
+  {
+    if (storage_.empty())
+      fill();
+    return copy(buffers);
+  }
+
+  /// Read some data from the stream. Returns the number of bytes read or 0 if
+  /// an error occurred and the error handler did not throw an exception.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t read_some(const Mutable_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    if (storage_.empty() && !fill(error_handler))
+      return 0;
+    return copy(buffers);
+  }
+
+  template <typename Mutable_Buffers, typename Handler>
+  class read_some_handler
+  {
+  public:
+    read_some_handler(asio::io_service& io_service,
+        detail::buffered_stream_storage& storage,
+        const Mutable_Buffers& buffers, Handler handler)
+      : io_service_(io_service),
+        storage_(storage),
+        buffers_(buffers),
+        handler_(handler)
+    {
+    }
+
+    void operator()(const error_type& e, std::size_t)
+    {
+      if (e || storage_.empty())
+      {
+        std::size_t length = 0;
+        io_service_.dispatch(detail::bind_handler(handler_, e, length));
+      }
+      else
+      {
+        using namespace std; // For memcpy.
+
+        std::size_t bytes_avail = storage_.size();
+        std::size_t bytes_copied = 0;
+
+        typename Mutable_Buffers::const_iterator iter = buffers_.begin();
+        typename Mutable_Buffers::const_iterator end = buffers_.end();
+        for (; iter != end && bytes_avail > 0; ++iter)
+        {
+          std::size_t max_length = buffer_size(*iter);
+          std::size_t length = (max_length < bytes_avail)
+            ? max_length : bytes_avail;
+          memcpy(buffer_cast<void*>(*iter),
+              storage_.data() + bytes_copied, length);
+          bytes_copied += length;
+          bytes_avail -= length;
+        }
+
+        storage_.consume(bytes_copied);
+        io_service_.dispatch(detail::bind_handler(handler_, e, bytes_copied));
+      }
+    }
+
+  private:
+    asio::io_service& io_service_;
+    detail::buffered_stream_storage& storage_;
+    Mutable_Buffers buffers_;
+    Handler handler_;
+  };
+
+  /// Start an asynchronous read. The buffer into which the data will be read
+  /// must be valid for the lifetime of the asynchronous operation.
+  template <typename Mutable_Buffers, typename Handler>
+  void async_read_some(const Mutable_Buffers& buffers, Handler handler)
+  {
+    if (storage_.empty())
+    {
+      async_fill(read_some_handler<Mutable_Buffers, Handler>(
+            io_service(), storage_, buffers, handler));
+    }
+    else
+    {
+      std::size_t length = copy(buffers);
+      io_service().post(detail::bind_handler(handler, 0, length));
+    }
+  }
+
+  /// Peek at the incoming data on the stream. Returns the number of bytes read.
+  /// Throws an exception on failure.
+  template <typename Mutable_Buffers>
+  std::size_t peek(const Mutable_Buffers& buffers)
+  {
+    if (storage_.empty())
+      fill();
+    return peek_copy(buffers);
+  }
+
+  /// Peek at the incoming data on the stream. Returns the number of bytes read,
+  /// or 0 if an error occurred and the error handler did not throw.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t peek(const Mutable_Buffers& buffers, Error_Handler error_handler)
+  {
+    if (storage_.empty() && !fill(error_handler))
+      return 0;
+    return peek_copy(buffers);
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  std::size_t in_avail()
+  {
+    return storage_.size();
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  template <typename Error_Handler>
+  std::size_t in_avail(Error_Handler error_handler)
+  {
+    return storage_.size();
+  }
+
+private:
+  /// Copy data out of the internal buffer to the specified target buffer.
+  /// Returns the number of bytes copied.
+  template <typename Mutable_Buffers>
+  std::size_t copy(const Mutable_Buffers& buffers)
+  {
+    using namespace std; // For memcpy.
+
+    std::size_t bytes_avail = storage_.size();
+    std::size_t bytes_copied = 0;
+
+    typename Mutable_Buffers::const_iterator iter = buffers.begin();
+    typename Mutable_Buffers::const_iterator end = buffers.end();
+    for (; iter != end && bytes_avail > 0; ++iter)
+    {
+      std::size_t max_length = buffer_size(*iter);
+      std::size_t length = (max_length < bytes_avail)
+        ? max_length : bytes_avail;
+      memcpy(buffer_cast<void*>(*iter), storage_.data() + bytes_copied, length);
+      bytes_copied += length;
+      bytes_avail -= length;
+    }
+
+    storage_.consume(bytes_copied);
+    return bytes_copied;
+  }
+
+  /// Copy data from the internal buffer to the specified target buffer, without
+  /// removing the data from the internal buffer. Returns the number of bytes
+  /// copied.
+  template <typename Mutable_Buffers>
+  std::size_t peek_copy(const Mutable_Buffers& buffers)
+  {
+    using namespace std; // For memcpy.
+
+    std::size_t bytes_avail = storage_.size();
+    std::size_t bytes_copied = 0;
+
+    typename Mutable_Buffers::const_iterator iter = buffers.begin();
+    typename Mutable_Buffers::const_iterator end = buffers.end();
+    for (; iter != end && bytes_avail > 0; ++iter)
+    {
+      std::size_t max_length = buffer_size(*iter);
+      std::size_t length = (max_length < bytes_avail)
+        ? max_length : bytes_avail;
+      memcpy(buffer_cast<void*>(*iter), storage_.data() + bytes_copied, length);
+      bytes_copied += length;
+      bytes_avail -= length;
+    }
+
+    return bytes_copied;
+  }
+
+  /// The next layer.
+  Stream next_layer_;
+
+  // The data in the buffer.
+  detail::buffered_stream_storage storage_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BUFFERED_READ_STREAM_HPP

library/include/libtorrent/asio/buffered_read_stream_fwd.hpp

@@ -0,0 +1,29 @@
+//
+// buffered_read_stream_fwd.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BUFFERED_READ_STREAM_FWD_HPP
+#define ASIO_BUFFERED_READ_STREAM_FWD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+template <typename Stream>
+class buffered_read_stream;
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BUFFERED_READ_STREAM_FWD_HPP

library/include/libtorrent/asio/buffered_stream.hpp

@@ -0,0 +1,249 @@
+//
+// buffered_stream.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BUFFERED_STREAM_HPP
+#define ASIO_BUFFERED_STREAM_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/buffered_read_stream.hpp"
+#include "asio/buffered_write_stream.hpp"
+#include "asio/buffered_stream_fwd.hpp"
+#include "asio/error.hpp"
+#include "asio/io_service.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+
+/// Adds buffering to the read- and write-related operations of a stream.
+/**
+ * The buffered_stream class template can be used to add buffering to the
+ * synchronous and asynchronous read and write operations of a stream.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Object, Async_Read_Stream, Async_Write_Stream, Error_Source, Stream,
+ * Sync_Read_Stream, Sync_Write_Stream.
+ */
+template <typename Stream>
+class buffered_stream
+  : private noncopyable
+{
+public:
+  /// The type of the next layer.
+  typedef typename boost::remove_reference<Stream>::type next_layer_type;
+
+  /// The type of the lowest layer.
+  typedef typename next_layer_type::lowest_layer_type lowest_layer_type;
+
+  /// The type used for reporting errors.
+  typedef typename next_layer_type::error_type error_type;
+
+  /// Construct, passing the specified argument to initialise the next layer.
+  template <typename Arg>
+  explicit buffered_stream(Arg& a)
+    : inner_stream_impl_(a),
+      stream_impl_(inner_stream_impl_)
+  {
+  }
+
+  /// Construct, passing the specified argument to initialise the next layer.
+  template <typename Arg>
+  explicit buffered_stream(Arg& a, std::size_t read_buffer_size,
+      std::size_t write_buffer_size)
+    : inner_stream_impl_(a, write_buffer_size),
+      stream_impl_(inner_stream_impl_, read_buffer_size)
+  {
+  }
+
+  /// Get a reference to the next layer.
+  next_layer_type& next_layer()
+  {
+    return stream_impl_.next_layer().next_layer();
+  }
+
+  /// Get a reference to the lowest layer.
+  lowest_layer_type& lowest_layer()
+  {
+    return stream_impl_.lowest_layer();
+  }
+
+  /// Get the io_service associated with the object.
+  asio::io_service& io_service()
+  {
+    return stream_impl_.io_service();
+  }
+
+  /// Close the stream.
+  void close()
+  {
+    stream_impl_.close();
+  }
+
+  /// Close the stream.
+  template <typename Error_Handler>
+  void close(Error_Handler error_handler)
+  {
+    stream_impl_.close(error_handler);
+  }
+
+  /// Flush all data from the buffer to the next layer. Returns the number of
+  /// bytes written to the next layer on the last write operation. Throws an
+  /// exception on failure.
+  std::size_t flush()
+  {
+    return stream_impl_.next_layer().flush();
+  }
+
+  /// Flush all data from the buffer to the next layer. Returns the number of
+  /// bytes written to the next layer on the last write operation, or 0 if an
+  /// error occurred and the error handler did not throw.
+  template <typename Error_Handler>
+  std::size_t flush(Error_Handler error_handler)
+  {
+    return stream_impl_.next_layer().flush(error_handler);
+  }
+
+  /// Start an asynchronous flush.
+  template <typename Handler>
+  void async_flush(Handler handler)
+  {
+    return stream_impl_.next_layer().async_flush(handler);
+  }
+
+  /// Write the given data to the stream. Returns the number of bytes written.
+  /// Throws an exception on failure.
+  template <typename Const_Buffers>
+  std::size_t write_some(const Const_Buffers& buffers)
+  {
+    return stream_impl_.write_some(buffers);
+  }
+
+  /// Write the given data to the stream. Returns the number of bytes written,
+  /// or 0 if an error occurred and the error handler did not throw.
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t write_some(const Const_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    return stream_impl_.write_some(buffers, error_handler);
+  }
+
+  /// Start an asynchronous write. The data being written must be valid for the
+  /// lifetime of the asynchronous operation.
+  template <typename Const_Buffers, typename Handler>
+  void async_write_some(const Const_Buffers& buffers, Handler handler)
+  {
+    stream_impl_.async_write_some(buffers, handler);
+  }
+
+  /// Fill the buffer with some data. Returns the number of bytes placed in the
+  /// buffer as a result of the operation. Throws an exception on failure.
+  std::size_t fill()
+  {
+    return stream_impl_.fill();
+  }
+
+  /// Fill the buffer with some data. Returns the number of bytes placed in the
+  /// buffer as a result of the operation, or 0 if an error occurred and the
+  /// error handler did not throw.
+  template <typename Error_Handler>
+  std::size_t fill(Error_Handler error_handler)
+  {
+    return stream_impl_.fill(error_handler);
+  }
+
+  /// Start an asynchronous fill.
+  template <typename Handler>
+  void async_fill(Handler handler)
+  {
+    stream_impl_.async_fill(handler);
+  }
+
+  /// Read some data from the stream. Returns the number of bytes read. Throws
+  /// an exception on failure.
+  template <typename Mutable_Buffers>
+  std::size_t read_some(const Mutable_Buffers& buffers)
+  {
+    return stream_impl_.read_some(buffers);
+  }
+
+  /// Read some data from the stream. Returns the number of bytes read or 0 if
+  /// an error occurred and the error handler did not throw an exception.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t read_some(const Mutable_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    return stream_impl_.read_some(buffers, error_handler);
+  }
+
+  /// Start an asynchronous read. The buffer into which the data will be read
+  /// must be valid for the lifetime of the asynchronous operation.
+  template <typename Mutable_Buffers, typename Handler>
+  void async_read_some(const Mutable_Buffers& buffers, Handler handler)
+  {
+    stream_impl_.async_read_some(buffers, handler);
+  }
+
+  /// Peek at the incoming data on the stream. Returns the number of bytes read.
+  /// Throws an exception on failure.
+  template <typename Mutable_Buffers>
+  std::size_t peek(const Mutable_Buffers& buffers)
+  {
+    return stream_impl_.peek(buffers);
+  }
+
+  /// Peek at the incoming data on the stream. Returns the number of bytes read,
+  /// or 0 if an error occurred and the error handler did not throw.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t peek(const Mutable_Buffers& buffers, Error_Handler error_handler)
+  {
+    return stream_impl_.peek(buffers, error_handler);
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  std::size_t in_avail()
+  {
+    return stream_impl_.in_avail();
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  template <typename Error_Handler>
+  std::size_t in_avail(Error_Handler error_handler)
+  {
+    return stream_impl_.in_avail(error_handler);
+  }
+
+private:
+  // The buffered write stream.
+  typedef buffered_write_stream<Stream> write_stream_type;
+  write_stream_type inner_stream_impl_;
+
+  // The buffered read stream.
+  typedef buffered_read_stream<write_stream_type&> read_stream_type;
+  read_stream_type stream_impl_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BUFFERED_STREAM_HPP

library/include/libtorrent/asio/buffered_stream_fwd.hpp

@@ -0,0 +1,29 @@
+//
+// buffered_stream_fwd.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BUFFERED_STREAM_FWD_HPP
+#define ASIO_BUFFERED_STREAM_FWD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+template <typename Stream>
+class buffered_stream;
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BUFFERED_STREAM_FWD_HPP

library/include/libtorrent/asio/buffered_write_stream.hpp

@@ -0,0 +1,362 @@
+//
+// buffered_write_stream.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BUFFERED_WRITE_STREAM_HPP
+#define ASIO_BUFFERED_WRITE_STREAM_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <cstring>
+#include <boost/config.hpp>
+#include <boost/type_traits.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/buffered_write_stream_fwd.hpp"
+#include "asio/buffer.hpp"
+#include "asio/completion_condition.hpp"
+#include "asio/error.hpp"
+#include "asio/io_service.hpp"
+#include "asio/write.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/buffered_stream_storage.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+
+/// Adds buffering to the write-related operations of a stream.
+/**
+ * The buffered_write_stream class template can be used to add buffering to the
+ * synchronous and asynchronous write operations of a stream.
+ *
+ * @par Thread Safety:
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Concepts:
+ * Async_Object, Async_Read_Stream, Async_Write_Stream, Error_Source, Stream,
+ * Sync_Read_Stream, Sync_Write_Stream.
+ */
+template <typename Stream>
+class buffered_write_stream
+  : private noncopyable
+{
+public:
+  /// The type of the next layer.
+  typedef typename boost::remove_reference<Stream>::type next_layer_type;
+
+  /// The type of the lowest layer.
+  typedef typename next_layer_type::lowest_layer_type lowest_layer_type;
+
+  /// The type used for reporting errors.
+  typedef typename next_layer_type::error_type error_type;
+
+#if defined(GENERATING_DOCUMENTATION)
+  /// The default buffer size.
+  static const std::size_t default_buffer_size = implementation_defined;
+#else
+  BOOST_STATIC_CONSTANT(std::size_t, default_buffer_size = 1024);
+#endif
+
+  /// Construct, passing the specified argument to initialise the next layer.
+  template <typename Arg>
+  explicit buffered_write_stream(Arg& a)
+    : next_layer_(a),
+      storage_(default_buffer_size)
+  {
+  }
+
+  /// Construct, passing the specified argument to initialise the next layer.
+  template <typename Arg>
+  buffered_write_stream(Arg& a, std::size_t buffer_size)
+    : next_layer_(a),
+      storage_(buffer_size)
+  {
+  }
+
+  /// Get a reference to the next layer.
+  next_layer_type& next_layer()
+  {
+    return next_layer_;
+  }
+
+  /// Get a reference to the lowest layer.
+  lowest_layer_type& lowest_layer()
+  {
+    return next_layer_.lowest_layer();
+  }
+
+  /// Get the io_service associated with the object.
+  asio::io_service& io_service()
+  {
+    return next_layer_.io_service();
+  }
+
+  /// Close the stream.
+  void close()
+  {
+    next_layer_.close();
+  }
+
+  /// Close the stream.
+  template <typename Error_Handler>
+  void close(Error_Handler error_handler)
+  {
+    next_layer_.close(error_handler);
+  }
+
+  /// Flush all data from the buffer to the next layer. Returns the number of
+  /// bytes written to the next layer on the last write operation. Throws an
+  /// exception on failure.
+  std::size_t flush()
+  {
+    std::size_t bytes_written = write(next_layer_,
+        buffer(storage_.data(), storage_.size()));
+    storage_.consume(bytes_written);
+    return bytes_written;
+  }
+
+  /// Flush all data from the buffer to the next layer. Returns the number of
+  /// bytes written to the next layer on the last write operation, or 0 if an
+  /// error occurred and the error handler did not throw.
+  template <typename Error_Handler>
+  std::size_t flush(Error_Handler error_handler)
+  {
+    std::size_t bytes_written = write(next_layer_,
+        buffer(storage_.data(), storage_.size()),
+        transfer_all(), error_handler);
+    storage_.consume(bytes_written);
+    return bytes_written;
+  }
+
+  template <typename Handler>
+  class flush_handler
+  {
+  public:
+    flush_handler(asio::io_service& io_service,
+        detail::buffered_stream_storage& storage, Handler handler)
+      : io_service_(io_service),
+        storage_(storage),
+        handler_(handler)
+    {
+    }
+
+    void operator()(const error_type& e, std::size_t bytes_written)
+    {
+      storage_.consume(bytes_written);
+      io_service_.dispatch(detail::bind_handler(handler_, e, bytes_written));
+    }
+
+  private:
+    asio::io_service& io_service_;
+    detail::buffered_stream_storage& storage_;
+    Handler handler_;
+  };
+
+  /// Start an asynchronous flush.
+  template <typename Handler>
+  void async_flush(Handler handler)
+  {
+    async_write(next_layer_, buffer(storage_.data(), storage_.size()),
+        flush_handler<Handler>(io_service(), storage_, handler));
+  }
+
+  /// Write the given data to the stream. Returns the number of bytes written.
+  /// Throws an exception on failure.
+  template <typename Const_Buffers>
+  std::size_t write_some(const Const_Buffers& buffers)
+  {
+    if (storage_.size() == storage_.capacity())
+      flush();
+    return copy(buffers);
+  }
+
+  /// Write the given data to the stream. Returns the number of bytes written,
+  /// or 0 if an error occurred and the error handler did not throw.
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t write_some(const Const_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    if (storage_.size() == storage_.capacity() && !flush(error_handler))
+      return 0;
+    return copy(buffers);
+  }
+
+  template <typename Const_Buffers, typename Handler>
+  class write_some_handler
+  {
+  public:
+    write_some_handler(asio::io_service& io_service,
+        detail::buffered_stream_storage& storage,
+        const Const_Buffers& buffers, Handler handler)
+      : io_service_(io_service),
+        storage_(storage),
+        buffers_(buffers),
+        handler_(handler)
+    {
+    }
+
+    void operator()(const error_type& e, std::size_t)
+    {
+      if (e)
+      {
+        std::size_t length = 0;
+        io_service_.dispatch(detail::bind_handler(handler_, e, length));
+      }
+      else
+      {
+        using namespace std; // For memcpy.
+
+        std::size_t orig_size = storage_.size();
+        std::size_t space_avail = storage_.capacity() - orig_size;
+        std::size_t bytes_copied = 0;
+
+        typename Const_Buffers::const_iterator iter = buffers_.begin();
+        typename Const_Buffers::const_iterator end = buffers_.end();
+        for (; iter != end && space_avail > 0; ++iter)
+        {
+          std::size_t bytes_avail = buffer_size(*iter);
+          std::size_t length = (bytes_avail < space_avail)
+            ? bytes_avail : space_avail;
+          storage_.resize(orig_size + bytes_copied + length);
+          memcpy(storage_.data() + orig_size + bytes_copied,
+              buffer_cast<const void*>(*iter), length);
+          bytes_copied += length;
+          space_avail -= length;
+        }
+
+        io_service_.dispatch(detail::bind_handler(handler_, e, bytes_copied));
+      }
+    }
+
+  private:
+    asio::io_service& io_service_;
+    detail::buffered_stream_storage& storage_;
+    Const_Buffers buffers_;
+    Handler handler_;
+  };
+
+  /// Start an asynchronous write. The data being written must be valid for the
+  /// lifetime of the asynchronous operation.
+  template <typename Const_Buffers, typename Handler>
+  void async_write_some(const Const_Buffers& buffers, Handler handler)
+  {
+    if (storage_.size() == storage_.capacity())
+    {
+      async_flush(write_some_handler<Const_Buffers, Handler>(
+            io_service(), storage_, buffers, handler));
+    }
+    else
+    {
+      std::size_t bytes_copied = copy(buffers);
+      io_service().post(detail::bind_handler(handler, 0, bytes_copied));
+    }
+  }
+
+  /// Read some data from the stream. Returns the number of bytes read. Throws
+  /// an exception on failure.
+  template <typename Mutable_Buffers>
+  std::size_t read_some(const Mutable_Buffers& buffers)
+  {
+    return next_layer_.read_some(buffers);
+  }
+
+  /// Read some data from the stream. Returns the number of bytes read or 0 if
+  /// an error occurred and the error handler did not throw an exception.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t read_some(const Mutable_Buffers& buffers,
+      Error_Handler error_handler)
+  {
+    return next_layer_.read_some(buffers, error_handler);
+  }
+
+  /// Start an asynchronous read. The buffer into which the data will be read
+  /// must be valid for the lifetime of the asynchronous operation.
+  template <typename Mutable_Buffers, typename Handler>
+  void async_read_some(const Mutable_Buffers& buffers, Handler handler)
+  {
+    next_layer_.async_read_some(buffers, handler);
+  }
+
+  /// Peek at the incoming data on the stream. Returns the number of bytes read.
+  /// Throws an exception on failure.
+  template <typename Mutable_Buffers>
+  std::size_t peek(const Mutable_Buffers& buffers)
+  {
+    return next_layer_.peek(buffers);
+  }
+
+  /// Peek at the incoming data on the stream. Returns the number of bytes read,
+  /// or 0 if an error occurred and the error handler did not throw.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t peek(const Mutable_Buffers& buffers, Error_Handler error_handler)
+  {
+    return next_layer_.peek(buffers, error_handler);
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  std::size_t in_avail()
+  {
+    return next_layer_.in_avail();
+  }
+
+  /// Determine the amount of data that may be read without blocking.
+  template <typename Error_Handler>
+  std::size_t in_avail(Error_Handler error_handler)
+  {
+    return next_layer_.in_avail(error_handler);
+  }
+
+private:
+  /// Copy data into the internal buffer from the specified source buffer.
+  /// Returns the number of bytes copied.
+  template <typename Const_Buffers>
+  std::size_t copy(const Const_Buffers& buffers)
+  {
+    using namespace std; // For memcpy.
+
+    std::size_t orig_size = storage_.size();
+    std::size_t space_avail = storage_.capacity() - orig_size;
+    std::size_t bytes_copied = 0;
+
+    typename Const_Buffers::const_iterator iter = buffers.begin();
+    typename Const_Buffers::const_iterator end = buffers.end();
+    for (; iter != end && space_avail > 0; ++iter)
+    {
+      std::size_t bytes_avail = buffer_size(*iter);
+      std::size_t length = (bytes_avail < space_avail)
+        ? bytes_avail : space_avail;
+      storage_.resize(orig_size + bytes_copied + length);
+      memcpy(storage_.data() + orig_size + bytes_copied,
+          buffer_cast<const void*>(*iter), length);
+      bytes_copied += length;
+      space_avail -= length;
+    }
+
+    return bytes_copied;
+  }
+
+  /// The next layer.
+  Stream next_layer_;
+
+  // The data in the buffer.
+  detail::buffered_stream_storage storage_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BUFFERED_WRITE_STREAM_HPP

library/include/libtorrent/asio/buffered_write_stream_fwd.hpp

@@ -0,0 +1,29 @@
+//
+// buffered_write_stream_fwd.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_BUFFERED_WRITE_STREAM_FWD_HPP
+#define ASIO_BUFFERED_WRITE_STREAM_FWD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+template <typename Stream>
+class buffered_write_stream;
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_BUFFERED_WRITE_STREAM_FWD_HPP

library/include/libtorrent/asio/completion_condition.hpp

@@ -0,0 +1,101 @@
+//
+// completion_condition.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_COMPLETION_CONDITION_HPP
+#define ASIO_COMPLETION_CONDITION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+
+namespace detail {
+
+class transfer_all_t
+{
+public:
+  typedef bool result_type;
+
+  template <typename Error>
+  bool operator()(const Error& err, std::size_t)
+  {
+    return !!err;
+  }
+};
+
+class transfer_at_least_t
+{
+public:
+  typedef bool result_type;
+
+  explicit transfer_at_least_t(std::size_t minimum)
+    : minimum_(minimum)
+  {
+  }
+
+  template <typename Error>
+  bool operator()(const Error& err, std::size_t bytes_transferred)
+  {
+    return !!err || bytes_transferred >= minimum_;
+  }
+
+private:
+  std::size_t minimum_;
+};
+
+} // namespace detail
+
+/**
+ * @defgroup completion_condition Completion Condition Function Objects
+ *
+ * Function objects used for determining when a read or write operation should
+ * complete.
+ */
+/*@{*/
+
+/// Return a completion condition function object that indicates that a read or
+/// write operation should continue until all of the data has been transferred,
+/// or until an error occurs.
+#if defined(GENERATING_DOCUMENTATION)
+unspecified transfer_all();
+#else
+inline detail::transfer_all_t transfer_all()
+{
+  return detail::transfer_all_t();
+}
+#endif
+
+/// Return a completion condition function object that indicates that a read or
+/// write operation should continue until a minimum number of bytes has been
+/// transferred, or until an error occurs.
+#if defined(GENERATING_DOCUMENTATION)
+unspecified transfer_at_least(std::size_t minimum);
+#else
+inline detail::transfer_at_least_t transfer_at_least(std::size_t minimum)
+{
+  return detail::transfer_at_least_t(minimum);
+}
+#endif
+
+/*@}*/
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_COMPLETION_CONDITION_HPP

library/include/libtorrent/asio/datagram_socket_service.hpp

@@ -0,0 +1,295 @@
+//
+// datagram_socket_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DATAGRAM_SOCKET_SERVICE_HPP
+#define ASIO_DATAGRAM_SOCKET_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/detail/epoll_reactor.hpp"
+#include "asio/detail/kqueue_reactor.hpp"
+#include "asio/detail/select_reactor.hpp"
+#include "asio/detail/reactive_socket_service.hpp"
+#include "asio/detail/win_iocp_socket_service.hpp"
+
+namespace asio {
+
+/// Default service implementation for a datagram socket.
+template <typename Protocol>
+class datagram_socket_service
+  : public asio::io_service::service
+{
+public:
+  /// The protocol type.
+  typedef Protocol protocol_type;
+
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+private:
+  // The type of the platform-specific implementation.
+#if defined(ASIO_HAS_IOCP)
+  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
+#elif defined(ASIO_HAS_EPOLL)
+  typedef detail::reactive_socket_service<
+      Protocol, detail::epoll_reactor<false> > service_impl_type;
+#elif defined(ASIO_HAS_KQUEUE)
+  typedef detail::reactive_socket_service<
+      Protocol, detail::kqueue_reactor<false> > service_impl_type;
+#else
+  typedef detail::reactive_socket_service<
+      Protocol, detail::select_reactor<false> > service_impl_type;
+#endif
+
+public:
+  /// The type of a datagram socket.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined implementation_type;
+#else
+  typedef typename service_impl_type::implementation_type implementation_type;
+#endif
+
+  /// The native socket type.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_type;
+#else
+  typedef typename service_impl_type::native_type native_type;
+#endif
+
+  /// Construct a new datagram socket service for the specified io_service.
+  explicit datagram_socket_service(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      service_impl_(asio::use_service<service_impl_type>(io_service))
+  {
+  }
+
+  /// Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+  }
+
+  /// Construct a new datagram socket implementation.
+  void construct(implementation_type& impl)
+  {
+    service_impl_.construct(impl);
+  }
+
+  /// Destroy a datagram socket implementation.
+  void destroy(implementation_type& impl)
+  {
+    service_impl_.destroy(impl);
+  }
+
+  // Open a new datagram socket implementation.
+  template <typename Error_Handler>
+  void open(implementation_type& impl, const protocol_type& protocol,
+      Error_Handler error_handler)
+  {
+    if (protocol.type() == SOCK_DGRAM)
+      service_impl_.open(impl, protocol, error_handler);
+    else
+      error_handler(asio::error(asio::error::invalid_argument));
+  }
+
+  /// Assign an existing native socket to a datagram socket.
+  template <typename Error_Handler>
+  void assign(implementation_type& impl, const protocol_type& protocol,
+      const native_type& native_socket, Error_Handler error_handler)
+  {
+    service_impl_.assign(impl, protocol, native_socket, error_handler);
+  }
+
+  /// Close a datagram socket implementation.
+  template <typename Error_Handler>
+  void close(implementation_type& impl, Error_Handler error_handler)
+  {
+    service_impl_.close(impl, error_handler);
+  }
+
+  /// Get the native socket implementation.
+  native_type native(implementation_type& impl)
+  {
+    return service_impl_.native(impl);
+  }
+
+  /// Cancel all asynchronous operations associated with the socket.
+  template <typename Error_Handler>
+  void cancel(implementation_type& impl, Error_Handler error_handler)
+  {
+    service_impl_.cancel(impl, error_handler);
+  }
+
+  // Bind the datagram socket to the specified local endpoint.
+  template <typename Error_Handler>
+  void bind(implementation_type& impl, const endpoint_type& endpoint,
+      Error_Handler error_handler)
+  {
+    service_impl_.bind(impl, endpoint, error_handler);
+  }
+
+  /// Connect the datagram socket to the specified endpoint.
+  template <typename Error_Handler>
+  void connect(implementation_type& impl, const endpoint_type& peer_endpoint,
+      Error_Handler error_handler)
+  {
+    service_impl_.connect(impl, peer_endpoint, error_handler);
+  }
+
+  /// Start an asynchronous connect.
+  template <typename Handler>
+  void async_connect(implementation_type& impl,
+      const endpoint_type& peer_endpoint, Handler handler)
+  {
+    service_impl_.async_connect(impl, peer_endpoint, handler);
+  }
+
+  /// Set a socket option.
+  template <typename Option, typename Error_Handler>
+  void set_option(implementation_type& impl, const Option& option,
+      Error_Handler error_handler)
+  {
+    service_impl_.set_option(impl, option, error_handler);
+  }
+
+  /// Get a socket option.
+  template <typename Option, typename Error_Handler>
+  void get_option(const implementation_type& impl, Option& option,
+      Error_Handler error_handler) const
+  {
+    service_impl_.get_option(impl, option, error_handler);
+  }
+
+  /// Perform an IO control command on the socket.
+  template <typename IO_Control_Command, typename Error_Handler>
+  void io_control(implementation_type& impl, IO_Control_Command& command,
+      Error_Handler error_handler)
+  {
+    service_impl_.io_control(impl, command, error_handler);
+  }
+
+  /// Get the local endpoint.
+  template <typename Error_Handler>
+  endpoint_type local_endpoint(const implementation_type& impl,
+      Error_Handler error_handler) const
+  {
+    endpoint_type endpoint;
+    service_impl_.get_local_endpoint(impl, endpoint, error_handler);
+    return endpoint;
+  }
+
+  /// Get the remote endpoint.
+  template <typename Error_Handler>
+  endpoint_type remote_endpoint(const implementation_type& impl,
+      Error_Handler error_handler) const
+  {
+    endpoint_type endpoint;
+    service_impl_.get_remote_endpoint(impl, endpoint, error_handler);
+    return endpoint;
+  }
+
+  /// Disable sends or receives on the socket.
+  template <typename Error_Handler>
+  void shutdown(implementation_type& impl, socket_base::shutdown_type what,
+      Error_Handler error_handler)
+  {
+    service_impl_.shutdown(impl, what, error_handler);
+  }
+
+  /// Send the given data to the peer.
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t send(implementation_type& impl, const Const_Buffers& buffers,
+      socket_base::message_flags flags, Error_Handler error_handler)
+  {
+    return service_impl_.send(impl, buffers, flags, error_handler);
+  }
+
+  /// Start an asynchronous send.
+  template <typename Const_Buffers, typename Handler>
+  void async_send(implementation_type& impl, const Const_Buffers& buffers,
+      socket_base::message_flags flags, Handler handler)
+  {
+    service_impl_.async_send(impl, buffers, flags, handler);
+  }
+
+  /// Send a datagram to the specified endpoint.
+  template <typename Const_Buffers, typename Error_Handler>
+  std::size_t send_to(implementation_type& impl, const Const_Buffers& buffers,
+      const endpoint_type& destination, socket_base::message_flags flags,
+      Error_Handler error_handler)
+  {
+    return service_impl_.send_to(impl, buffers, destination, flags,
+        error_handler);
+  }
+
+  /// Start an asynchronous send.
+  template <typename Const_Buffers, typename Handler>
+  void async_send_to(implementation_type& impl, const Const_Buffers& buffers,
+      const endpoint_type& destination, socket_base::message_flags flags,
+      Handler handler)
+  {
+    service_impl_.async_send_to(impl, buffers, destination, flags, handler);
+  }
+
+  /// Receive some data from the peer.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t receive(implementation_type& impl, const Mutable_Buffers& buffers,
+      socket_base::message_flags flags, Error_Handler error_handler)
+  {
+    return service_impl_.receive(impl, buffers, flags, error_handler);
+  }
+
+  /// Start an asynchronous receive.
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive(implementation_type& impl, const Mutable_Buffers& buffers,
+      socket_base::message_flags flags, Handler handler)
+  {
+    service_impl_.async_receive(impl, buffers, flags, handler);
+  }
+
+  /// Receive a datagram with the endpoint of the sender.
+  template <typename Mutable_Buffers, typename Error_Handler>
+  std::size_t receive_from(implementation_type& impl,
+      const Mutable_Buffers& buffers, endpoint_type& sender_endpoint,
+      socket_base::message_flags flags, Error_Handler error_handler)
+  {
+    return service_impl_.receive_from(impl, buffers, sender_endpoint, flags,
+        error_handler);
+  }
+
+  /// Start an asynchronous receive that will get the endpoint of the sender.
+  template <typename Mutable_Buffers, typename Handler>
+  void async_receive_from(implementation_type& impl,
+      const Mutable_Buffers& buffers, endpoint_type& sender_endpoint,
+      socket_base::message_flags flags, Handler handler)
+  {
+    service_impl_.async_receive_from(impl, buffers, sender_endpoint, flags,
+        handler);
+  }
+
+private:
+  // The service that provides the platform-specific implementation.
+  service_impl_type& service_impl_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DATAGRAM_SOCKET_SERVICE_HPP

library/include/libtorrent/asio/deadline_timer.hpp

@@ -0,0 +1,37 @@
+//
+// deadline_timer.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DEADLINE_TIMER_HPP
+#define ASIO_DEADLINE_TIMER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/socket_types.hpp" // Must come before posix_time.
+
+#include "asio/detail/push_options.hpp"
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/basic_deadline_timer.hpp"
+
+namespace asio {
+
+/// Typedef for the typical usage of timer.
+typedef basic_deadline_timer<boost::posix_time::ptime> deadline_timer;
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DEADLINE_TIMER_HPP

library/include/libtorrent/asio/deadline_timer_service.hpp

@@ -0,0 +1,152 @@
+//
+// deadline_timer_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DEADLINE_TIMER_SERVICE_HPP
+#define ASIO_DEADLINE_TIMER_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/time_traits.hpp"
+#include "asio/detail/deadline_timer_service.hpp"
+#include "asio/detail/epoll_reactor.hpp"
+#include "asio/detail/kqueue_reactor.hpp"
+#include "asio/detail/select_reactor.hpp"
+
+namespace asio {
+
+/// Default service implementation for a timer.
+template <typename Time_Type,
+    typename Time_Traits = asio::time_traits<Time_Type> >
+class deadline_timer_service
+  : public asio::io_service::service
+{
+public:
+  /// The time traits type.
+  typedef Time_Traits traits_type;
+
+  /// The time type.
+  typedef typename traits_type::time_type time_type;
+
+  /// The duration type.
+  typedef typename traits_type::duration_type duration_type;
+
+private:
+  // The type of the platform-specific implementation.
+#if defined(ASIO_HAS_IOCP)
+  typedef detail::deadline_timer_service<
+    traits_type, detail::select_reactor<true> > service_impl_type;
+#elif defined(ASIO_HAS_EPOLL)
+  typedef detail::deadline_timer_service<
+    traits_type, detail::epoll_reactor<false> > service_impl_type;
+#elif defined(ASIO_HAS_KQUEUE)
+  typedef detail::deadline_timer_service<
+    traits_type, detail::kqueue_reactor<false> > service_impl_type;
+#else
+  typedef detail::deadline_timer_service<
+    traits_type, detail::select_reactor<false> > service_impl_type;
+#endif
+
+public:
+  /// The implementation type of the deadline timer.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined implementation_type;
+#else
+  typedef typename service_impl_type::implementation_type implementation_type;
+#endif
+
+  /// Construct a new timer service for the specified io_service.
+  explicit deadline_timer_service(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      service_impl_(asio::use_service<service_impl_type>(io_service))
+  {
+  }
+
+  /// Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+  }
+
+  /// Construct a new timer implementation.
+  void construct(implementation_type& impl)
+  {
+    service_impl_.construct(impl);
+  }
+
+  /// Destroy a timer implementation.
+  void destroy(implementation_type& impl)
+  {
+    service_impl_.destroy(impl);
+  }
+
+  /// Cancel any asynchronous wait operations associated with the timer.
+  std::size_t cancel(implementation_type& impl)
+  {
+    return service_impl_.cancel(impl);
+  }
+
+  /// Get the expiry time for the timer as an absolute time.
+  time_type expires_at(const implementation_type& impl) const
+  {
+    return service_impl_.expires_at(impl);
+  }
+
+  /// Set the expiry time for the timer as an absolute time.
+  std::size_t expires_at(implementation_type& impl,
+      const time_type& expiry_time)
+  {
+    return service_impl_.expires_at(impl, expiry_time);
+  }
+
+  /// Get the expiry time for the timer relative to now.
+  duration_type expires_from_now(const implementation_type& impl) const
+  {
+    return service_impl_.expires_from_now(impl);
+  }
+
+  /// Set the expiry time for the timer relative to now.
+  std::size_t expires_from_now(implementation_type& impl,
+      const duration_type& expiry_time)
+  {
+    return service_impl_.expires_from_now(impl, expiry_time);
+  }
+
+  // Perform a blocking wait on the timer.
+  void wait(implementation_type& impl)
+  {
+    service_impl_.wait(impl);
+  }
+
+  // Start an asynchronous wait on the timer.
+  template <typename Handler>
+  void async_wait(implementation_type& impl, Handler handler)
+  {
+    service_impl_.async_wait(impl, handler);
+  }
+
+private:
+  // The service that provides the platform-specific implementation.
+  service_impl_type& service_impl_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DEADLINE_TIMER_SERVICE_HPP

library/include/libtorrent/asio/detail/bind_handler.hpp

@@ -0,0 +1,349 @@
+//
+// bind_handler.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_BIND_HANDLER_HPP
+#define ASIO_DETAIL_BIND_HANDLER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Handler, typename Arg1>
+class binder1
+{
+public:
+  binder1(const Handler& handler, const Arg1& arg1)
+    : handler_(handler),
+      arg1_(arg1)
+  {
+  }
+
+  void operator()()
+  {
+    handler_(arg1_);
+  }
+
+  void operator()() const
+  {
+    handler_(arg1_);
+  }
+
+//private:
+  Handler handler_;
+  Arg1 arg1_;
+};
+
+template <typename Handler, typename Arg1>
+inline void* asio_handler_allocate(std::size_t size,
+    binder1<Handler, Arg1>* this_handler)
+{
+  return asio_handler_alloc_helpers::allocate(
+      size, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1>
+inline void asio_handler_deallocate(void* pointer, std::size_t size,
+    binder1<Handler, Arg1>* this_handler)
+{
+  asio_handler_alloc_helpers::deallocate(
+      pointer, size, &this_handler->handler_);
+}
+
+template <typename Function, typename Handler, typename Arg1>
+inline void asio_handler_invoke(const Function& function,
+    binder1<Handler, Arg1>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1>
+inline binder1<Handler, Arg1> bind_handler(const Handler& handler,
+    const Arg1& arg1)
+{
+  return binder1<Handler, Arg1>(handler, arg1);
+}
+
+template <typename Handler, typename Arg1, typename Arg2>
+class binder2
+{
+public:
+  binder2(const Handler& handler, const Arg1& arg1, const Arg2& arg2)
+    : handler_(handler),
+      arg1_(arg1),
+      arg2_(arg2)
+  {
+  }
+
+  void operator()()
+  {
+    handler_(arg1_, arg2_);
+  }
+
+  void operator()() const
+  {
+    handler_(arg1_, arg2_);
+  }
+
+//private:
+  Handler handler_;
+  Arg1 arg1_;
+  Arg2 arg2_;
+};
+
+template <typename Handler, typename Arg1, typename Arg2>
+inline void* asio_handler_allocate(std::size_t size,
+    binder2<Handler, Arg1, Arg2>* this_handler)
+{
+  return asio_handler_alloc_helpers::allocate(
+      size, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2>
+inline void asio_handler_deallocate(void* pointer, std::size_t size,
+    binder2<Handler, Arg1, Arg2>* this_handler)
+{
+  asio_handler_alloc_helpers::deallocate(
+      pointer, size, &this_handler->handler_);
+}
+
+template <typename Function, typename Handler, typename Arg1, typename Arg2>
+inline void asio_handler_invoke(const Function& function,
+    binder2<Handler, Arg1, Arg2>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2>
+inline binder2<Handler, Arg1, Arg2> bind_handler(const Handler& handler,
+    const Arg1& arg1, const Arg2& arg2)
+{
+  return binder2<Handler, Arg1, Arg2>(handler, arg1, arg2);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
+class binder3
+{
+public:
+  binder3(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
+      const Arg3& arg3)
+    : handler_(handler),
+      arg1_(arg1),
+      arg2_(arg2),
+      arg3_(arg3)
+  {
+  }
+
+  void operator()()
+  {
+    handler_(arg1_, arg2_, arg3_);
+  }
+
+  void operator()() const
+  {
+    handler_(arg1_, arg2_, arg3_);
+  }
+
+//private:
+  Handler handler_;
+  Arg1 arg1_;
+  Arg2 arg2_;
+  Arg3 arg3_;
+};
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
+inline void* asio_handler_allocate(std::size_t size,
+    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
+{
+  return asio_handler_alloc_helpers::allocate(
+      size, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
+inline void asio_handler_deallocate(void* pointer, std::size_t size,
+    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
+{
+  asio_handler_alloc_helpers::deallocate(
+      pointer, size, &this_handler->handler_);
+}
+
+template <typename Function, typename Handler, typename Arg1, typename Arg2,
+    typename Arg3>
+inline void asio_handler_invoke(const Function& function,
+    binder3<Handler, Arg1, Arg2, Arg3>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3>
+inline binder3<Handler, Arg1, Arg2, Arg3> bind_handler(const Handler& handler,
+    const Arg1& arg1, const Arg2& arg2, const Arg3& arg3)
+{
+  return binder3<Handler, Arg1, Arg2, Arg3>(handler, arg1, arg2, arg3);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4>
+class binder4
+{
+public:
+  binder4(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
+      const Arg3& arg3, const Arg4& arg4)
+    : handler_(handler),
+      arg1_(arg1),
+      arg2_(arg2),
+      arg3_(arg3),
+      arg4_(arg4)
+  {
+  }
+
+  void operator()()
+  {
+    handler_(arg1_, arg2_, arg3_, arg4_);
+  }
+
+  void operator()() const
+  {
+    handler_(arg1_, arg2_, arg3_, arg4_);
+  }
+
+//private:
+  Handler handler_;
+  Arg1 arg1_;
+  Arg2 arg2_;
+  Arg3 arg3_;
+  Arg4 arg4_;
+};
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4>
+inline void* asio_handler_allocate(std::size_t size,
+    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
+{
+  return asio_handler_alloc_helpers::allocate(
+      size, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4>
+inline void asio_handler_deallocate(void* pointer, std::size_t size,
+    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
+{
+  asio_handler_alloc_helpers::deallocate(
+      pointer, size, &this_handler->handler_);
+}
+
+template <typename Function, typename Handler, typename Arg1, typename Arg2,
+    typename Arg3, typename Arg4>
+inline void asio_handler_invoke(const Function& function,
+    binder4<Handler, Arg1, Arg2, Arg3, Arg4>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4>
+inline binder4<Handler, Arg1, Arg2, Arg3, Arg4> bind_handler(
+    const Handler& handler, const Arg1& arg1, const Arg2& arg2,
+    const Arg3& arg3, const Arg4& arg4)
+{
+  return binder4<Handler, Arg1, Arg2, Arg3, Arg4>(handler, arg1, arg2, arg3,
+      arg4);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4, typename Arg5>
+class binder5
+{
+public:
+  binder5(const Handler& handler, const Arg1& arg1, const Arg2& arg2,
+      const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
+    : handler_(handler),
+      arg1_(arg1),
+      arg2_(arg2),
+      arg3_(arg3),
+      arg4_(arg4),
+      arg5_(arg5)
+  {
+  }
+
+  void operator()()
+  {
+    handler_(arg1_, arg2_, arg3_, arg4_, arg5_);
+  }
+
+  void operator()() const
+  {
+    handler_(arg1_, arg2_, arg3_, arg4_, arg5_);
+  }
+
+//private:
+  Handler handler_;
+  Arg1 arg1_;
+  Arg2 arg2_;
+  Arg3 arg3_;
+  Arg4 arg4_;
+  Arg5 arg5_;
+};
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4, typename Arg5>
+inline void* asio_handler_allocate(std::size_t size,
+    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
+{
+  return asio_handler_alloc_helpers::allocate(
+      size, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4, typename Arg5>
+inline void asio_handler_deallocate(void* pointer, std::size_t size,
+    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
+{
+  asio_handler_alloc_helpers::deallocate(
+      pointer, size, &this_handler->handler_);
+}
+
+template <typename Function, typename Handler, typename Arg1, typename Arg2,
+    typename Arg3, typename Arg4, typename Arg5>
+inline void asio_handler_invoke(const Function& function,
+    binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, &this_handler->handler_);
+}
+
+template <typename Handler, typename Arg1, typename Arg2, typename Arg3,
+    typename Arg4, typename Arg5>
+inline binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5> bind_handler(
+    const Handler& handler, const Arg1& arg1, const Arg2& arg2,
+    const Arg3& arg3, const Arg4& arg4, const Arg5& arg5)
+{
+  return binder5<Handler, Arg1, Arg2, Arg3, Arg4, Arg5>(handler, arg1, arg2,
+      arg3, arg4, arg5);
+}
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_BIND_HANDLER_HPP

library/include/libtorrent/asio/detail/buffer_resize_guard.hpp

@@ -0,0 +1,70 @@
+//
+// buffer_resize_guard.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_BUFFER_RESIZE_GUARD_HPP
+#define ASIO_DETAIL_BUFFER_RESIZE_GUARD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <limits>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+namespace detail {
+
+// Helper class to manage buffer resizing in an exception safe way.
+template <typename Buffer>
+class buffer_resize_guard
+{
+public:
+  // Constructor.
+  buffer_resize_guard(Buffer& buffer)
+    : buffer_(buffer),
+      old_size_(buffer.size())
+  {
+  }
+
+  // Destructor rolls back the buffer resize unless commit was called.
+  ~buffer_resize_guard()
+  {
+    if (old_size_
+        != std::numeric_limits<size_t>::max BOOST_PREVENT_MACRO_SUBSTITUTION())
+    {
+      buffer_.resize(old_size_);
+    }
+  }
+
+  // Commit the resize transaction.
+  void commit()
+  {
+    old_size_
+      = std::numeric_limits<size_t>::max BOOST_PREVENT_MACRO_SUBSTITUTION();
+  }
+
+private:
+  // The buffer being managed.
+  Buffer& buffer_;
+
+  // The size of the buffer at the time the guard was constructed.
+  size_t old_size_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_BUFFER_RESIZE_GUARD_HPP

library/include/libtorrent/asio/detail/buffered_stream_storage.hpp

@@ -0,0 +1,127 @@
+//
+// buffered_stream_storage.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_BUFFERED_STREAM_STORAGE_HPP
+#define ASIO_DETAIL_BUFFERED_STREAM_STORAGE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include <cassert>
+#include <cstddef>
+#include <cstring>
+#include <vector>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class buffered_stream_storage
+{
+public:
+  // The type of the bytes stored in the buffer.
+  typedef unsigned char byte_type;
+
+  // The type used for offsets into the buffer.
+  typedef std::size_t size_type;
+
+  // Constructor.
+  explicit buffered_stream_storage(std::size_t capacity)
+    : begin_offset_(0),
+      end_offset_(0),
+      buffer_(capacity)
+  {
+  }
+
+  /// Clear the buffer.
+  void clear()
+  {
+    begin_offset_ = 0;
+    end_offset_ = 0;
+  }
+
+  // Return a pointer to the beginning of the unread data.
+  byte_type* data()
+  {
+    return &buffer_[0] + begin_offset_;
+  }
+
+  // Return a pointer to the beginning of the unread data.
+  const byte_type* data() const
+  {
+    return &buffer_[0] + begin_offset_;
+  }
+
+  // Is there no unread data in the buffer.
+  bool empty() const
+  {
+    return begin_offset_ == end_offset_;
+  }
+
+  // Return the amount of unread data the is in the buffer.
+  size_type size() const
+  {
+    return end_offset_ - begin_offset_;
+  }
+
+  // Resize the buffer to the specified length.
+  void resize(size_type length)
+  {
+    assert(length <= capacity());
+    if (begin_offset_ + length <= capacity())
+    {
+      end_offset_ = begin_offset_ + length;
+    }
+    else
+    {
+      using namespace std; // For memmove.
+      memmove(&buffer_[0], &buffer_[0] + begin_offset_, size());
+      end_offset_ = length;
+      begin_offset_ = 0;
+    }
+  }
+
+  // Return the maximum size for data in the buffer.
+  size_type capacity() const
+  {
+    return buffer_.size();
+  }
+
+  // Consume multiple bytes from the beginning of the buffer.
+  void consume(size_type count)
+  {
+    assert(begin_offset_ + count <= end_offset_);
+    begin_offset_ += count;
+    if (empty())
+      clear();
+  }
+
+private:
+  // The offset to the beginning of the unread data.
+  size_type begin_offset_;
+
+  // The offset to the end of the unread data.
+  size_type end_offset_;
+  
+  // The data in the buffer.
+  std::vector<byte_type> buffer_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_BUFFERED_STREAM_STORAGE_HPP

library/include/libtorrent/asio/detail/call_stack.hpp

@@ -0,0 +1,90 @@
+//
+// call_stack.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_CALL_STACK_HPP
+#define ASIO_DETAIL_CALL_STACK_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/tss_ptr.hpp"
+
+namespace asio {
+namespace detail {
+
+// Helper class to determine whether or not the current thread is inside an
+// invocation of io_service::run() for a specified io_service object.
+template <typename Owner>
+class call_stack
+{
+public:
+  // Context class automatically pushes an owner on to the stack.
+  class context
+    : private noncopyable
+  {
+  public:
+    // Push the owner on to the stack.
+    explicit context(Owner* d)
+      : owner_(d),
+        next_(call_stack<Owner>::top_)
+    {
+      call_stack<Owner>::top_ = this;
+    }
+
+    // Pop the owner from the stack.
+    ~context()
+    {
+      call_stack<Owner>::top_ = next_;
+    }
+
+  private:
+    friend class call_stack<Owner>;
+
+    // The owner associated with the context.
+    Owner* owner_;
+
+    // The next element in the stack.
+    context* next_;
+  };
+
+  friend class context;
+
+  // Determine whether the specified owner is on the stack.
+  static bool contains(Owner* d)
+  {
+    context* elem = top_;
+    while (elem)
+    {
+      if (elem->owner_ == d)
+        return true;
+      elem = elem->next_;
+    }
+    return false;
+  }
+
+private:
+  // The top of the stack of calls for the current thread.
+  static tss_ptr<context> top_;
+};
+
+template <typename Owner>
+tss_ptr<typename call_stack<Owner>::context>
+call_stack<Owner>::top_;
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_CALL_STACK_HPP

library/include/libtorrent/asio/detail/const_buffers_iterator.hpp

@@ -0,0 +1,150 @@
+//
+// const_buffers_iterator.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_CONST_BUFFERS_ITERATOR_HPP
+#define ASIO_DETAIL_CONST_BUFFERS_ITERATOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include <boost/iterator/iterator_facade.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/buffer.hpp"
+
+namespace asio {
+namespace detail {
+
+// A proxy iterator for a sub-range in a list of buffers.
+template <typename Const_Buffers>
+class const_buffers_iterator
+  : public boost::iterator_facade<const_buffers_iterator<Const_Buffers>,
+        const char, boost::bidirectional_traversal_tag>
+{
+public:
+  // Default constructor creates an iterator in an undefined state.
+  const_buffers_iterator()
+  {
+  }
+
+  // Create an iterator for the specified position.
+  const_buffers_iterator(const Const_Buffers& buffers, std::size_t position)
+    : begin_(buffers.begin()),
+      current_(buffers.begin()),
+      end_(buffers.end()),
+      position_(0)
+  {
+    while (current_ != end_)
+    {
+      current_buffer_ = *current_;
+      std::size_t buffer_size = asio::buffer_size(current_buffer_);
+      if (position - position_ < buffer_size)
+      {
+        current_buffer_position_ = position - position_;
+        position_ = position;
+        return;
+      }
+      position_ += buffer_size;
+      ++current_;
+    }
+    current_buffer_ = asio::const_buffer();
+    current_buffer_position_ = 0;
+  }
+
+  std::size_t position() const
+  {
+    return position_;
+  }
+
+private:
+  friend class boost::iterator_core_access;
+
+  void increment()
+  {
+    if (current_ == end_)
+      return;
+
+    ++position_;
+
+    ++current_buffer_position_;
+    if (current_buffer_position_ != asio::buffer_size(current_buffer_))
+      return;
+
+    ++current_;
+    current_buffer_position_ = 0;
+    while (current_ != end_)
+    {
+      current_buffer_ = *current_;
+      if (asio::buffer_size(current_buffer_) > 0)
+        return;
+      ++current_;
+    }
+  }
+
+  void decrement()
+  {
+    if (position_ == 0)
+      return;
+
+    --position_;
+
+    if (current_buffer_position_ != 0)
+    {
+      --current_buffer_position_;
+      return;
+    }
+
+    typename Const_Buffers::const_iterator iter = current_;
+    while (iter != begin_)
+    {
+      --iter;
+      asio::const_buffer buffer = *iter;
+      std::size_t buffer_size = asio::buffer_size(buffer);
+      if (buffer_size > 0)
+      {
+        current_ = iter;
+        current_buffer_ = buffer;
+        current_buffer_position_ = buffer_size - 1;
+        return;
+      }
+    }
+  }
+
+  bool equal(const const_buffers_iterator& other) const
+  {
+    return position_ == other.position_;
+  }
+
+  const char& dereference() const
+  {
+    return asio::buffer_cast<const char*>(
+        current_buffer_)[current_buffer_position_];
+  }
+
+  asio::const_buffer current_buffer_;
+  std::size_t current_buffer_position_;
+  typename Const_Buffers::const_iterator begin_;
+  typename Const_Buffers::const_iterator current_;
+  typename Const_Buffers::const_iterator end_;
+  std::size_t position_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_CONST_BUFFERS_ITERATOR_HPP

library/include/libtorrent/asio/detail/consuming_buffers.hpp

@@ -0,0 +1,196 @@
+//
+// consuming_buffers.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_CONSUMING_BUFFERS_HPP
+#define ASIO_DETAIL_CONSUMING_BUFFERS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <algorithm>
+#include <cstddef>
+#include <boost/config.hpp>
+#include <boost/iterator/iterator_facade.hpp>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+namespace detail {
+
+// A proxy iterator for a sub-range in a list of buffers.
+template <typename Buffer, typename Buffer_Iterator>
+class consuming_buffers_iterator
+  : public boost::iterator_facade<
+        consuming_buffers_iterator<Buffer, Buffer_Iterator>,
+        const Buffer,
+        boost::forward_traversal_tag>
+{
+public:
+  // Default constructor creates an end iterator.
+  consuming_buffers_iterator()
+    : at_end_(true)
+  {
+  }
+
+  // Construct with a buffer for the first entry and an iterator
+  // range for the remaining entries.
+  consuming_buffers_iterator(bool at_end, const Buffer& first,
+      Buffer_Iterator begin_remainder, Buffer_Iterator end_remainder)
+    : at_end_(at_end),
+      first_(first),
+      begin_remainder_(begin_remainder),
+      end_remainder_(end_remainder)
+  {
+  }
+
+private:
+  friend class boost::iterator_core_access;
+
+  void increment()
+  {
+    if (!at_end_)
+    {
+      if (begin_remainder_ == end_remainder_)
+        at_end_ = true;
+      else
+        first_ = *begin_remainder_++;
+    }
+  }
+
+  bool equal(const consuming_buffers_iterator& other) const
+  {
+    if (at_end_ && other.at_end_)
+      return true;
+    return !at_end_ && !other.at_end_
+      && buffer_cast<const void*>(first_)
+        == buffer_cast<const void*>(other.first_)
+      && buffer_size(first_) == buffer_size(other.first_)
+      && begin_remainder_ == other.begin_remainder_
+      && end_remainder_ == other.end_remainder_;
+  }
+
+  const Buffer& dereference() const
+  {
+    return first_;
+  }
+
+  bool at_end_;
+  Buffer first_;
+  Buffer_Iterator begin_remainder_;
+  Buffer_Iterator end_remainder_;
+};
+
+// A proxy for a sub-range in a list of buffers.
+template <typename Buffer, typename Buffers>
+class consuming_buffers
+{
+public:
+  // The type for each element in the list of buffers.
+  typedef Buffer value_type;
+
+  // A forward-only iterator type that may be used to read elements.
+  typedef consuming_buffers_iterator<Buffer, typename Buffers::const_iterator>
+    const_iterator;
+
+  // Construct to represent the entire list of buffers.
+  consuming_buffers(const Buffers& buffers)
+    : buffers_(buffers),
+      at_end_(buffers_.begin() == buffers_.end()),
+      first_(*buffers_.begin()),
+      begin_remainder_(buffers_.begin())
+  {
+    if (!at_end_)
+      ++begin_remainder_;
+  }
+
+  // Copy constructor.
+  consuming_buffers(const consuming_buffers& other)
+    : buffers_(other.buffers_),
+      at_end_(other.at_end_),
+      first_(other.first_),
+      begin_remainder_(buffers_.begin())
+  {
+    typename Buffers::const_iterator first = other.buffers_.begin();
+    typename Buffers::const_iterator second = other.begin_remainder_;
+    std::advance(begin_remainder_, std::distance(first, second));
+  }
+
+  // Assignment operator.
+  consuming_buffers& operator=(const consuming_buffers& other)
+  {
+    buffers_ = other.buffers_;
+    at_end_ = other.at_end_;
+    first_ = other.first_;
+    begin_remainder_ = buffers_.begin();
+    typename Buffers::const_iterator first = other.buffers_.begin();
+    typename Buffers::const_iterator second = other.begin_remainder_;
+    std::advance(begin_remainder_, std::distance(first, second));
+    return *this;
+  }
+
+  // Get a forward-only iterator to the first element.
+  const_iterator begin() const
+  {
+    return const_iterator(at_end_, first_, begin_remainder_, buffers_.end());
+  }
+
+  // Get a forward-only iterator for one past the last element.
+  const_iterator end() const
+  {
+    return const_iterator();
+  }
+
+  // Consume the specified number of bytes from the buffers.
+  void consume(std::size_t size)
+  {
+    // Remove buffers from the start until the specified size is reached.
+    while (size > 0 && !at_end_)
+    {
+      if (buffer_size(first_) <= size)
+      {
+        size -= buffer_size(first_);
+        if (begin_remainder_ == buffers_.end())
+          at_end_ = true;
+        else
+          first_ = *begin_remainder_++;
+      }
+      else
+      {
+        first_ = first_ + size;
+        size = 0;
+      }
+    }
+
+    // Remove any more empty buffers at the start.
+    while (!at_end_ && buffer_size(first_) == 0)
+    {
+      if (begin_remainder_ == buffers_.end())
+        at_end_ = true;
+      else
+        first_ = *begin_remainder_++;
+    }
+  }
+
+private:
+  Buffers buffers_;
+  bool at_end_;
+  Buffer first_;
+  typename Buffers::const_iterator begin_remainder_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_CONSUMING_BUFFERS_HPP

library/include/libtorrent/asio/detail/deadline_timer_service.hpp

@@ -0,0 +1,182 @@
+//
+// deadline_timer_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_DEADLINE_TIMER_SERVICE_HPP
+#define ASIO_DETAIL_DEADLINE_TIMER_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/error.hpp"
+#include "asio/io_service.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/timer_queue.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Time_Traits, typename Timer_Scheduler>
+class deadline_timer_service
+  : public asio::io_service::service
+{
+public:
+  // The time type.
+  typedef typename Time_Traits::time_type time_type;
+
+  // The duration type.
+  typedef typename Time_Traits::duration_type duration_type;
+
+  // The implementation type of the timer. This type is dependent on the
+  // underlying implementation of the timer service.
+  struct implementation_type
+    : private asio::detail::noncopyable
+  {
+    time_type expiry;
+    bool might_have_pending_waits;
+  };
+
+  // Constructor.
+  deadline_timer_service(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      scheduler_(asio::use_service<Timer_Scheduler>(io_service))
+  {
+    scheduler_.add_timer_queue(timer_queue_);
+  }
+
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+  }
+
+  // Construct a new timer implementation.
+  void construct(implementation_type& impl)
+  {
+    impl.expiry = time_type();
+    impl.might_have_pending_waits = false;
+  }
+
+  // Destroy a timer implementation.
+  void destroy(implementation_type& impl)
+  {
+    cancel(impl);
+  }
+
+  // Cancel any asynchronous wait operations associated with the timer.
+  std::size_t cancel(implementation_type& impl)
+  {
+    if (!impl.might_have_pending_waits)
+      return 0;
+    std::size_t count = scheduler_.cancel_timer(timer_queue_, &impl);
+    impl.might_have_pending_waits = false;
+    return count;
+  }
+
+  // Get the expiry time for the timer as an absolute time.
+  time_type expires_at(const implementation_type& impl) const
+  {
+    return impl.expiry;
+  }
+
+  // Set the expiry time for the timer as an absolute time.
+  std::size_t expires_at(implementation_type& impl,
+      const time_type& expiry_time)
+  {
+    std::size_t count = cancel(impl);
+    impl.expiry = expiry_time;
+    return count;
+  }
+
+  // Get the expiry time for the timer relative to now.
+  duration_type expires_from_now(const implementation_type& impl) const
+  {
+    return Time_Traits::subtract(expires_at(impl), Time_Traits::now());
+  }
+
+  // Set the expiry time for the timer relative to now.
+  std::size_t expires_from_now(implementation_type& impl,
+      const duration_type& expiry_time)
+  {
+    return expires_at(impl, Time_Traits::add(Time_Traits::now(), expiry_time));
+  }
+
+  // Perform a blocking wait on the timer.
+  void wait(implementation_type& impl)
+  {
+    time_type now = Time_Traits::now();
+    while (Time_Traits::less_than(now, impl.expiry))
+    {
+      boost::posix_time::time_duration timeout =
+        Time_Traits::to_posix_duration(Time_Traits::subtract(impl.expiry, now));
+      ::timeval tv;
+      tv.tv_sec = timeout.total_seconds();
+      tv.tv_usec = timeout.total_microseconds() % 1000000;
+      socket_ops::select(0, 0, 0, 0, &tv);
+      now = Time_Traits::now();
+    }
+  }
+
+  template <typename Handler>
+  class wait_handler
+  {
+  public:
+    wait_handler(asio::io_service& io_service, Handler handler)
+      : io_service_(io_service),
+        work_(io_service),
+        handler_(handler)
+    {
+    }
+
+    void operator()(int result)
+    {
+      asio::error e(result);
+      io_service_.post(detail::bind_handler(handler_, e));
+    }
+
+  private:
+    asio::io_service& io_service_;
+    asio::io_service::work work_;
+    Handler handler_;
+  };
+
+  // Start an asynchronous wait on the timer.
+  template <typename Handler>
+  void async_wait(implementation_type& impl, Handler handler)
+  {
+    impl.might_have_pending_waits = true;
+    scheduler_.schedule_timer(timer_queue_, impl.expiry,
+        wait_handler<Handler>(io_service(), handler), &impl);
+  }
+
+private:
+  // The queue of timers.
+  timer_queue<Time_Traits> timer_queue_;
+
+  // The object that schedules and executes timers. Usually a reactor.
+  Timer_Scheduler& scheduler_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_DEADLINE_TIMER_SERVICE_HPP

library/include/libtorrent/asio/detail/epoll_reactor.hpp

@@ -0,0 +1,593 @@
+//
+// epoll_reactor.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_EPOLL_REACTOR_HPP
+#define ASIO_DETAIL_EPOLL_REACTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/epoll_reactor_fwd.hpp"
+
+#if defined(ASIO_HAS_EPOLL)
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <vector>
+#include <sys/epoll.h>
+#include <boost/config.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include <boost/throw_exception.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/system_exception.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/hash_map.hpp"
+#include "asio/detail/mutex.hpp"
+#include "asio/detail/task_io_service.hpp"
+#include "asio/detail/thread.hpp"
+#include "asio/detail/reactor_op_queue.hpp"
+#include "asio/detail/select_interrupter.hpp"
+#include "asio/detail/signal_blocker.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/timer_queue.hpp"
+
+namespace asio {
+namespace detail {
+
+template <bool Own_Thread>
+class epoll_reactor
+  : public asio::io_service::service
+{
+public:
+  // Constructor.
+  epoll_reactor(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      mutex_(),
+      epoll_fd_(do_epoll_create()),
+      wait_in_progress_(false),
+      interrupter_(),
+      read_op_queue_(),
+      write_op_queue_(),
+      except_op_queue_(),
+      pending_cancellations_(),
+      stop_thread_(false),
+      thread_(0),
+      shutdown_(false)
+  {
+    // Start the reactor's internal thread only if needed.
+    if (Own_Thread)
+    {
+      asio::detail::signal_blocker sb;
+      thread_ = new asio::detail::thread(
+          bind_handler(&epoll_reactor::call_run_thread, this));
+    }
+
+    // Add the interrupter's descriptor to epoll.
+    epoll_event ev = { 0, { 0 } };
+    ev.events = EPOLLIN | EPOLLERR;
+    ev.data.fd = interrupter_.read_descriptor();
+    epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, interrupter_.read_descriptor(), &ev);
+  }
+
+  // Destructor.
+  ~epoll_reactor()
+  {
+    shutdown_service();
+    close(epoll_fd_);
+  }
+
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    shutdown_ = true;
+    stop_thread_ = true;
+    lock.unlock();
+
+    if (thread_)
+    {
+      interrupter_.interrupt();
+      thread_->join();
+      delete thread_;
+      thread_ = 0;
+    }
+
+    read_op_queue_.destroy_operations();
+    write_op_queue_.destroy_operations();
+    except_op_queue_.destroy_operations();
+
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      timer_queues_[i]->destroy_timers();
+    timer_queues_.clear();
+  }
+
+  // Register a socket with the reactor. Returns 0 on success, system error
+  // code on failure.
+  int register_descriptor(socket_type descriptor)
+  {
+    // No need to lock according to epoll documentation.
+
+    epoll_event ev = { 0, { 0 } };
+    ev.events = 0;
+    ev.data.fd = descriptor;
+    int result = epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, descriptor, &ev);
+    if (result != 0)
+      return errno;
+    return 0;
+  }
+
+  // Start a new read operation. The handler object will be invoked when the
+  // given descriptor is ready to be read, or an error has occurred.
+  template <typename Handler>
+  void start_read_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    if (!read_op_queue_.has_operation(descriptor))
+      if (handler(0))
+        return;
+
+    if (read_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      epoll_event ev = { 0, { 0 } };
+      ev.events = EPOLLIN | EPOLLERR | EPOLLHUP;
+      if (write_op_queue_.has_operation(descriptor))
+        ev.events |= EPOLLOUT;
+      if (except_op_queue_.has_operation(descriptor))
+        ev.events |= EPOLLPRI;
+      ev.data.fd = descriptor;
+
+      int result = epoll_ctl(epoll_fd_, EPOLL_CTL_MOD, descriptor, &ev);
+      if (result != 0)
+      {
+        int error = errno;
+        read_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Start a new write operation. The handler object will be invoked when the
+  // given descriptor is ready to be written, or an error has occurred.
+  template <typename Handler>
+  void start_write_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    if (!write_op_queue_.has_operation(descriptor))
+      if (handler(0))
+        return;
+
+    if (write_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      epoll_event ev = { 0, { 0 } };
+      ev.events = EPOLLOUT | EPOLLERR | EPOLLHUP;
+      if (read_op_queue_.has_operation(descriptor))
+        ev.events |= EPOLLIN;
+      if (except_op_queue_.has_operation(descriptor))
+        ev.events |= EPOLLPRI;
+      ev.data.fd = descriptor;
+
+      int result = epoll_ctl(epoll_fd_, EPOLL_CTL_MOD, descriptor, &ev);
+      if (result != 0)
+      {
+        int error = errno;
+        write_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Start a new exception operation. The handler object will be invoked when
+  // the given descriptor has exception information, or an error has occurred.
+  template <typename Handler>
+  void start_except_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    if (except_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      epoll_event ev = { 0, { 0 } };
+      ev.events = EPOLLPRI | EPOLLERR | EPOLLHUP;
+      if (read_op_queue_.has_operation(descriptor))
+        ev.events |= EPOLLIN;
+      if (write_op_queue_.has_operation(descriptor))
+        ev.events |= EPOLLOUT;
+      ev.data.fd = descriptor;
+
+      int result = epoll_ctl(epoll_fd_, EPOLL_CTL_MOD, descriptor, &ev);
+      if (result != 0)
+      {
+        int error = errno;
+        except_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Start new write and exception operations. The handler object will be
+  // invoked when the given descriptor is ready for writing or has exception
+  // information available, or an error has occurred.
+  template <typename Handler>
+  void start_write_and_except_ops(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    bool need_mod = write_op_queue_.enqueue_operation(descriptor, handler);
+    need_mod = except_op_queue_.enqueue_operation(descriptor, handler)
+      && need_mod;
+    if (need_mod)
+    {
+      epoll_event ev = { 0, { 0 } };
+      ev.events = EPOLLOUT | EPOLLPRI | EPOLLERR | EPOLLHUP;
+      if (read_op_queue_.has_operation(descriptor))
+        ev.events |= EPOLLIN;
+      ev.data.fd = descriptor;
+
+      int result = epoll_ctl(epoll_fd_, EPOLL_CTL_MOD, descriptor, &ev);
+      if (result != 0)
+      {
+        int error = errno;
+        write_op_queue_.dispatch_all_operations(descriptor, error);
+        except_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Cancel all operations associated with the given descriptor. The
+  // handlers associated with the descriptor will be invoked with the
+  // operation_aborted error.
+  void cancel_ops(socket_type descriptor)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    cancel_ops_unlocked(descriptor);
+  }
+
+  // Enqueue cancellation of all operations associated with the given
+  // descriptor. The handlers associated with the descriptor will be invoked
+  // with the operation_aborted error. This function does not acquire the
+  // epoll_reactor's mutex, and so should only be used from within a reactor
+  // handler.
+  void enqueue_cancel_ops_unlocked(socket_type descriptor)
+  {
+    pending_cancellations_.push_back(descriptor);
+  }
+
+  // Cancel any operations that are running against the descriptor and remove
+  // its registration from the reactor.
+  void close_descriptor(socket_type descriptor)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // Remove the descriptor from epoll.
+    epoll_event ev = { 0, { 0 } };
+    epoll_ctl(epoll_fd_, EPOLL_CTL_DEL, descriptor, &ev);
+
+    // Cancel any outstanding operations associated with the descriptor.
+    cancel_ops_unlocked(descriptor);
+  }
+
+  // Add a new timer queue to the reactor.
+  template <typename Time_Traits>
+  void add_timer_queue(timer_queue<Time_Traits>& timer_queue)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    timer_queues_.push_back(&timer_queue);
+  }
+
+  // Schedule a timer in the given timer queue to expire at the specified
+  // absolute time. The handler object will be invoked when the timer expires.
+  template <typename Time_Traits, typename Handler>
+  void schedule_timer(timer_queue<Time_Traits>& timer_queue,
+      const typename Time_Traits::time_type& time, Handler handler, void* token)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (!shutdown_)
+      if (timer_queue.enqueue_timer(time, handler, token))
+        interrupter_.interrupt();
+  }
+
+  // Cancel the timer associated with the given token. Returns the number of
+  // handlers that have been posted or dispatched.
+  template <typename Time_Traits>
+  std::size_t cancel_timer(timer_queue<Time_Traits>& timer_queue, void* token)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    return timer_queue.cancel_timer(token);
+  }
+
+private:
+  friend class task_io_service<epoll_reactor<Own_Thread> >;
+
+  // Run epoll once until interrupted or events are ready to be dispatched.
+  void run(bool block)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // Dispatch any operation cancellations that were made while the select
+    // loop was not running.
+    read_op_queue_.dispatch_cancellations();
+    write_op_queue_.dispatch_cancellations();
+    except_op_queue_.dispatch_cancellations();
+
+    // Check if the thread is supposed to stop.
+    if (stop_thread_)
+    {
+      // Clean up operations. We must not hold the lock since the operations may
+      // make calls back into this reactor.
+      lock.unlock();
+      read_op_queue_.cleanup_operations();
+      write_op_queue_.cleanup_operations();
+      except_op_queue_.cleanup_operations();
+      return;
+    }
+
+    // We can return immediately if there's no work to do and the reactor is
+    // not supposed to block.
+    if (!block && read_op_queue_.empty() && write_op_queue_.empty()
+        && except_op_queue_.empty() && all_timer_queues_are_empty())
+    {
+      // Clean up operations. We must not hold the lock since the operations may
+      // make calls back into this reactor.
+      lock.unlock();
+      read_op_queue_.cleanup_operations();
+      write_op_queue_.cleanup_operations();
+      except_op_queue_.cleanup_operations();
+      return;
+    }
+
+    int timeout = block ? get_timeout() : 0;
+    wait_in_progress_ = true;
+    lock.unlock();
+
+    // Block on the epoll descriptor.
+    epoll_event events[128];
+    int num_events = epoll_wait(epoll_fd_, events, 128, timeout);
+
+    lock.lock();
+    wait_in_progress_ = false;
+
+    // Block signals while dispatching operations.
+    asio::detail::signal_blocker sb;
+
+    // Dispatch the waiting events.
+    for (int i = 0; i < num_events; ++i)
+    {
+      int descriptor = events[i].data.fd;
+      if (descriptor == interrupter_.read_descriptor())
+      {
+        interrupter_.reset();
+      }
+      else
+      {
+        if (events[i].events & (EPOLLERR | EPOLLHUP))
+        {
+          except_op_queue_.dispatch_all_operations(descriptor, 0);
+          read_op_queue_.dispatch_all_operations(descriptor, 0);
+          write_op_queue_.dispatch_all_operations(descriptor, 0);
+
+          epoll_event ev = { 0, { 0 } };
+          ev.events = 0;
+          ev.data.fd = descriptor;
+          epoll_ctl(epoll_fd_, EPOLL_CTL_MOD, descriptor, &ev);
+        }
+        else
+        {
+          bool more_reads = false;
+          bool more_writes = false;
+          bool more_except = false;
+
+          // Exception operations must be processed first to ensure that any
+          // out-of-band data is read before normal data.
+          if (events[i].events & EPOLLPRI)
+            more_except = except_op_queue_.dispatch_operation(descriptor, 0);
+          else
+            more_except = except_op_queue_.has_operation(descriptor);
+
+          if (events[i].events & EPOLLIN)
+            more_reads = read_op_queue_.dispatch_operation(descriptor, 0);
+          else
+            more_reads = read_op_queue_.has_operation(descriptor);
+
+          if (events[i].events & EPOLLOUT)
+            more_writes = write_op_queue_.dispatch_operation(descriptor, 0);
+          else
+            more_writes = write_op_queue_.has_operation(descriptor);
+
+          epoll_event ev = { 0, { 0 } };
+          ev.events = EPOLLERR | EPOLLHUP;
+          if (more_reads)
+            ev.events |= EPOLLIN;
+          if (more_writes)
+            ev.events |= EPOLLOUT;
+          if (more_except)
+            ev.events |= EPOLLPRI;
+          ev.data.fd = descriptor;
+          int result = epoll_ctl(epoll_fd_, EPOLL_CTL_MOD, descriptor, &ev);
+          if (result != 0)
+          {
+            int error = errno;
+            read_op_queue_.dispatch_all_operations(descriptor, error);
+            write_op_queue_.dispatch_all_operations(descriptor, error);
+            except_op_queue_.dispatch_all_operations(descriptor, error);
+          }
+        }
+      }
+    }
+    read_op_queue_.dispatch_cancellations();
+    write_op_queue_.dispatch_cancellations();
+    except_op_queue_.dispatch_cancellations();
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      timer_queues_[i]->dispatch_timers();
+
+    // Issue any pending cancellations.
+    for (size_t i = 0; i < pending_cancellations_.size(); ++i)
+      cancel_ops_unlocked(pending_cancellations_[i]);
+    pending_cancellations_.clear();
+
+    // Clean up operations. We must not hold the lock since the operations may
+    // make calls back into this reactor.
+    lock.unlock();
+    read_op_queue_.cleanup_operations();
+    write_op_queue_.cleanup_operations();
+    except_op_queue_.cleanup_operations();
+  }
+
+  // Run the select loop in the thread.
+  void run_thread()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    while (!stop_thread_)
+    {
+      lock.unlock();
+      run(true);
+      lock.lock();
+    }
+  }
+
+  // Entry point for the select loop thread.
+  static void call_run_thread(epoll_reactor* reactor)
+  {
+    reactor->run_thread();
+  }
+
+  // Interrupt the select loop.
+  void interrupt()
+  {
+    interrupter_.interrupt();
+  }
+
+  // The hint to pass to epoll_create to size its data structures.
+  enum { epoll_size = 20000 };
+
+  // Create the epoll file descriptor. Throws an exception if the descriptor
+  // cannot be created.
+  static int do_epoll_create()
+  {
+    int fd = epoll_create(epoll_size);
+    if (fd == -1)
+    {
+      system_exception e("epoll", errno);
+      boost::throw_exception(e);
+    }
+    return fd;
+  }
+
+  // Check if all timer queues are empty.
+  bool all_timer_queues_are_empty() const
+  {
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      if (!timer_queues_[i]->empty())
+        return false;
+    return true;
+  }
+
+  // Get the timeout value for the epoll_wait call. The timeout value is
+  // returned as a number of milliseconds. A return value of -1 indicates
+  // that epoll_wait should block indefinitely.
+  int get_timeout()
+  {
+    if (all_timer_queues_are_empty())
+      return -1;
+
+    // By default we will wait no longer than 5 minutes. This will ensure that
+    // any changes to the system clock are detected after no longer than this.
+    boost::posix_time::time_duration minimum_wait_duration
+      = boost::posix_time::minutes(5);
+
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+    {
+      boost::posix_time::time_duration wait_duration
+        = timer_queues_[i]->wait_duration();
+      if (wait_duration < minimum_wait_duration)
+        minimum_wait_duration = wait_duration;
+    }
+
+    if (minimum_wait_duration > boost::posix_time::time_duration())
+    {
+      return minimum_wait_duration.total_milliseconds();
+    }
+    else
+    {
+      return 0;
+    }
+  }
+
+  // Cancel all operations associated with the given descriptor. The do_cancel
+  // function of the handler objects will be invoked. This function does not
+  // acquire the epoll_reactor's mutex.
+  void cancel_ops_unlocked(socket_type descriptor)
+  {
+    bool interrupt = read_op_queue_.cancel_operations(descriptor);
+    interrupt = write_op_queue_.cancel_operations(descriptor) || interrupt;
+    interrupt = except_op_queue_.cancel_operations(descriptor) || interrupt;
+    if (interrupt)
+      interrupter_.interrupt();
+  }
+
+  // Mutex to protect access to internal data.
+  asio::detail::mutex mutex_;
+
+  // The epoll file descriptor.
+  int epoll_fd_;
+
+  // Whether the epoll_wait call is currently in progress
+  bool wait_in_progress_;
+
+  // The interrupter is used to break a blocking epoll_wait call.
+  select_interrupter interrupter_;
+
+  // The queue of read operations.
+  reactor_op_queue<socket_type> read_op_queue_;
+
+  // The queue of write operations.
+  reactor_op_queue<socket_type> write_op_queue_;
+
+  // The queue of except operations.
+  reactor_op_queue<socket_type> except_op_queue_;
+
+  // The timer queues.
+  std::vector<timer_queue_base*> timer_queues_;
+
+  // The descriptors that are pending cancellation.
+  std::vector<socket_type> pending_cancellations_;
+
+  // Does the reactor loop thread need to stop.
+  bool stop_thread_;
+
+  // The thread that is running the reactor loop.
+  asio::detail::thread* thread_;
+
+  // Whether the service has been shut down.
+  bool shutdown_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(ASIO_HAS_EPOLL)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_EPOLL_REACTOR_HPP

library/include/libtorrent/asio/detail/epoll_reactor_fwd.hpp

@@ -0,0 +1,47 @@
+//
+// epoll_reactor_fwd.hpp
+// ~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_EPOLL_REACTOR_FWD_HPP
+#define ASIO_DETAIL_EPOLL_REACTOR_FWD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#if !defined(ASIO_DISABLE_EPOLL)
+#if defined(__linux__) // This service is only supported on Linux.
+
+#include "asio/detail/push_options.hpp"
+#include <linux/version.h>
+#include "asio/detail/pop_options.hpp"
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION (2,5,45) // Only kernels >= 2.5.45.
+
+// Define this to indicate that epoll is supported on the target platform.
+#define ASIO_HAS_EPOLL 1
+
+namespace asio {
+namespace detail {
+
+template <bool Own_Thread>
+class epoll_reactor;
+
+} // namespace detail
+} // namespace asio
+
+#endif // LINUX_VERSION_CODE >= KERNEL_VERSION (2,5,45)
+#endif // defined(__linux__)
+#endif // !defined(ASIO_DISABLE_EPOLL)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_EPOLL_REACTOR_FWD_HPP

library/include/libtorrent/asio/detail/event.hpp

@@ -0,0 +1,50 @@
+//
+// event.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_EVENT_HPP
+#define ASIO_DETAIL_EVENT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+# include "asio/detail/null_event.hpp"
+#elif defined(BOOST_WINDOWS)
+# include "asio/detail/win_event.hpp"
+#elif defined(BOOST_HAS_PTHREADS)
+# include "asio/detail/posix_event.hpp"
+#else
+# error Only Windows and POSIX are supported!
+#endif
+
+namespace asio {
+namespace detail {
+
+#if !defined(BOOST_HAS_THREADS)
+typedef null_event event;
+#elif defined(BOOST_WINDOWS)
+typedef win_event event;
+#elif defined(BOOST_HAS_PTHREADS)
+typedef posix_event event;
+#endif
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_EVENT_HPP

library/include/libtorrent/asio/detail/fd_set_adapter.hpp

@@ -0,0 +1,41 @@
+//
+// fd_set_adapter.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_FD_SET_ADAPTER_HPP
+#define ASIO_DETAIL_FD_SET_ADAPTER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/posix_fd_set_adapter.hpp"
+#include "asio/detail/win_fd_set_adapter.hpp"
+
+namespace asio {
+namespace detail {
+
+#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+typedef win_fd_set_adapter fd_set_adapter;
+#else
+typedef posix_fd_set_adapter fd_set_adapter;
+#endif
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_FD_SET_ADAPTER_HPP

library/include/libtorrent/asio/detail/handler_alloc_helpers.hpp

@@ -0,0 +1,256 @@
+//
+// handler_alloc_helpers.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_HANDLER_ALLOC_HELPERS_HPP
+#define ASIO_DETAIL_HANDLER_ALLOC_HELPERS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/detail/workaround.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/handler_alloc_hook.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+// Calls to asio_handler_allocate and asio_handler_deallocate must be made from
+// a namespace that does not contain any overloads of these functions. The
+// asio_handler_alloc_helpers namespace is defined here for that purpose.
+namespace asio_handler_alloc_helpers {
+
+template <typename Handler>
+inline void* allocate(std::size_t s, Handler* h)
+{
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+  return ::operator new(s);
+#else
+  using namespace asio;
+  return asio_handler_allocate(s, h);
+#endif
+}
+
+template <typename Handler>
+inline void deallocate(void* p, std::size_t s, Handler* h)
+{
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+  ::operator delete(p);
+#else
+  using namespace asio;
+  asio_handler_deallocate(p, s, h);
+#endif
+}
+
+} // namespace asio_handler_alloc_helpers
+
+namespace asio {
+namespace detail {
+
+// Traits for handler allocation.
+template <typename Handler, typename Object>
+struct handler_alloc_traits
+{
+  typedef Handler handler_type;
+  typedef Object value_type;
+  typedef Object* pointer_type;
+  BOOST_STATIC_CONSTANT(std::size_t, value_size = sizeof(Object));
+};
+
+template <typename Alloc_Traits>
+class handler_ptr;
+
+// Helper class to provide RAII on uninitialised handler memory.
+template <typename Alloc_Traits>
+class raw_handler_ptr
+  : private noncopyable
+{
+public:
+  typedef typename Alloc_Traits::handler_type handler_type;
+  typedef typename Alloc_Traits::value_type value_type;
+  typedef typename Alloc_Traits::pointer_type pointer_type;
+  BOOST_STATIC_CONSTANT(std::size_t, value_size = Alloc_Traits::value_size);
+
+  // Constructor allocates the memory.
+  raw_handler_ptr(handler_type& handler)
+    : handler_(handler),
+      pointer_(static_cast<pointer_type>(
+            asio_handler_alloc_helpers::allocate(value_size, &handler_)))
+  {
+  }
+
+  // Destructor automatically deallocates memory, unless it has been stolen by
+  // a handler_ptr object.
+  ~raw_handler_ptr()
+  {
+    if (pointer_)
+      asio_handler_alloc_helpers::deallocate(
+          pointer_, value_size, &handler_);
+  }
+
+private:
+  friend class handler_ptr<Alloc_Traits>;
+  handler_type& handler_;
+  pointer_type pointer_;
+};
+
+// Helper class to provide RAII on uninitialised handler memory.
+template <typename Alloc_Traits>
+class handler_ptr
+  : private noncopyable
+{
+public:
+  typedef typename Alloc_Traits::handler_type handler_type;
+  typedef typename Alloc_Traits::value_type value_type;
+  typedef typename Alloc_Traits::pointer_type pointer_type;
+  BOOST_STATIC_CONSTANT(std::size_t, value_size = Alloc_Traits::value_size);
+  typedef raw_handler_ptr<Alloc_Traits> raw_ptr_type;
+
+  // Take ownership of existing memory.
+  handler_ptr(handler_type& handler, pointer_type pointer)
+    : handler_(handler),
+      pointer_(pointer)
+  {
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  handler_ptr(raw_ptr_type& raw_ptr)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type)
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(a1))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1, typename Arg2>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(a1, a2))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1, typename Arg2, typename Arg3>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1, typename Arg2, typename Arg3, typename Arg4>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1, typename Arg2, typename Arg3, typename Arg4,
+      typename Arg5>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4,
+      Arg5& a5)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4, a5))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1, typename Arg2, typename Arg3, typename Arg4,
+      typename Arg5, typename Arg6>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4,
+      Arg5& a5, Arg6& a6)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4, a5, a6))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1, typename Arg2, typename Arg3, typename Arg4,
+      typename Arg5, typename Arg6, typename Arg7>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4,
+      Arg5& a5, Arg6& a6, Arg7& a7)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(a1, a2, a3, a4, a5, a6, a7))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Construct object in raw memory and take ownership if construction succeeds.
+  template <typename Arg1, typename Arg2, typename Arg3, typename Arg4,
+      typename Arg5, typename Arg6, typename Arg7, typename Arg8>
+  handler_ptr(raw_ptr_type& raw_ptr, Arg1& a1, Arg2& a2, Arg3& a3, Arg4& a4,
+      Arg5& a5, Arg6& a6, Arg7& a7, Arg8& a8)
+    : handler_(raw_ptr.handler_),
+      pointer_(new (raw_ptr.pointer_) value_type(
+            a1, a2, a3, a4, a5, a6, a7, a8))
+  {
+    raw_ptr.pointer_ = 0;
+  }
+
+  // Destructor automatically deallocates memory, unless it has been released.
+  ~handler_ptr()
+  {
+    reset();
+  }
+
+  // Get the memory.
+  pointer_type get() const
+  {
+    return pointer_;
+  }
+
+  // Release ownership of the memory.
+  pointer_type release()
+  {
+    pointer_type tmp = pointer_;
+    pointer_ = 0;
+    return tmp;
+  }
+
+  // Explicitly destroy and deallocate the memory.
+  void reset()
+  {
+    if (pointer_)
+    {
+      pointer_->value_type::~value_type();
+      asio_handler_alloc_helpers::deallocate(
+          pointer_, value_size, &handler_);
+      pointer_ = 0;
+    }
+  }
+
+private:
+  handler_type& handler_;
+  pointer_type pointer_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_HANDLER_ALLOC_HELPERS_HPP

library/include/libtorrent/asio/detail/handler_invoke_helpers.hpp

@@ -0,0 +1,47 @@
+//
+// handler_invoke_helpers.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_HANDLER_INVOKE_HELPERS_HPP
+#define ASIO_DETAIL_HANDLER_INVOKE_HELPERS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/detail/workaround.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/handler_invoke_hook.hpp"
+
+// Calls to asio_handler_invoke must be made from a namespace that does not
+// contain overloads of this function. The asio_handler_invoke_helpers
+// namespace is defined here for that purpose.
+namespace asio_handler_invoke_helpers {
+
+template <typename Function, typename Context>
+inline void invoke(const Function& function, Context* context)
+{
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+  Function tmp(function);
+  tmp();
+#else
+  using namespace asio;
+  asio_handler_invoke(function, context);
+#endif
+}
+
+} // namespace asio_handler_invoke_helpers
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_HANDLER_INVOKE_HELPERS_HPP

library/include/libtorrent/asio/detail/hash_map.hpp

@@ -0,0 +1,197 @@
+//
+// hash_map.hpp
+// ~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_HASH_MAP_HPP
+#define ASIO_DETAIL_HASH_MAP_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cassert>
+#include <list>
+#include <utility>
+#include <boost/functional/hash.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+using boost::hash_value;
+
+template <typename K, typename V>
+class hash_map
+  : private noncopyable
+{
+public:
+  // The type of a value in the map.
+  typedef std::pair<const K, V> value_type;
+
+  // The type of a non-const iterator over the hash map.
+  typedef typename std::list<value_type>::iterator iterator;
+
+  // The type of a const iterator over the hash map.
+  typedef typename std::list<value_type>::const_iterator const_iterator;
+
+  // Constructor.
+  hash_map()
+  {
+    // Initialise all buckets to empty.
+    for (size_t i = 0; i < num_buckets; ++i)
+      buckets_[i].first = buckets_[i].last = values_.end();
+  }
+
+  // Get an iterator for the beginning of the map.
+  iterator begin()
+  {
+    return values_.begin();
+  }
+
+  // Get an iterator for the beginning of the map.
+  const_iterator begin() const
+  {
+    return values_.begin();
+  }
+
+  // Get an iterator for the end of the map.
+  iterator end()
+  {
+    return values_.end();
+  }
+
+  // Get an iterator for the end of the map.
+  const_iterator end() const
+  {
+    return values_.end();
+  }
+
+  // Check whether the map is empty.
+  bool empty() const
+  {
+    return values_.empty();
+  }
+
+  // Find an entry in the map.
+  iterator find(const K& k)
+  {
+    size_t bucket = hash_value(k) % num_buckets;
+    iterator it = buckets_[bucket].first;
+    if (it == values_.end())
+      return values_.end();
+    iterator end = buckets_[bucket].last;
+    ++end;
+    while (it != end)
+    {
+      if (it->first == k)
+        return it;
+      ++it;
+    }
+    return values_.end();
+  }
+
+  // Find an entry in the map.
+  const_iterator find(const K& k) const
+  {
+    size_t bucket = hash_value(k) % num_buckets;
+    const_iterator it = buckets_[bucket].first;
+    if (it == values_.end())
+      return it;
+    const_iterator end = buckets_[bucket].last;
+    ++end;
+    while (it != end)
+    {
+      if (it->first == k)
+        return it;
+      ++it;
+    }
+    return values_.end();
+  }
+
+  // Insert a new entry into the map.
+  std::pair<iterator, bool> insert(const value_type& v)
+  {
+    size_t bucket = hash_value(v.first) % num_buckets;
+    iterator it = buckets_[bucket].first;
+    if (it == values_.end())
+    {
+      buckets_[bucket].first = buckets_[bucket].last =
+        values_.insert(values_.end(), v);
+      return std::pair<iterator, bool>(buckets_[bucket].last, true);
+    }
+    iterator end = buckets_[bucket].last;
+    ++end;
+    while (it != end)
+    {
+      if (it->first == v.first)
+        return std::pair<iterator, bool>(it, false);
+      ++it;
+    }
+    buckets_[bucket].last = values_.insert(end, v);
+    return std::pair<iterator, bool>(buckets_[bucket].last, true);
+  }
+
+  // Erase an entry from the map.
+  void erase(iterator it)
+  {
+    assert(it != values_.end());
+
+    size_t bucket = hash_value(it->first) % num_buckets;
+    bool is_first = (it == buckets_[bucket].first);
+    bool is_last = (it == buckets_[bucket].last);
+    if (is_first && is_last)
+      buckets_[bucket].first = buckets_[bucket].last = values_.end();
+    else if (is_first)
+      ++buckets_[bucket].first;
+    else if (is_last)
+      --buckets_[bucket].last;
+
+    values_.erase(it);
+  }
+
+  // Remove all entries from the map.
+  void clear()
+  {
+    // Clear the values.
+    values_.clear();
+
+    // Initialise all buckets to empty.
+    for (size_t i = 0; i < num_buckets; ++i)
+      buckets_[i].first = buckets_[i].last = values_.end();
+  }
+
+private:
+  // The list of all values in the hash map.
+  std::list<value_type> values_;
+
+  // The type for a bucket in the hash table.
+  struct bucket_type
+  {
+    iterator first;
+    iterator last;
+  };
+
+  // The number of buckets in the hash.
+  enum { num_buckets = 1021 };
+
+  // The buckets in the hash.
+  bucket_type buckets_[num_buckets];
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_HASH_MAP_HPP

library/include/libtorrent/asio/detail/io_control.hpp

@@ -0,0 +1,137 @@
+//
+// io_control.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_IO_CONTROL_HPP
+#define ASIO_DETAIL_IO_CONTROL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/socket_types.hpp"
+
+namespace asio {
+namespace detail {
+namespace io_control {
+
+// IO control command for non-blocking I/O.
+class non_blocking_io
+{
+public:
+  // Default constructor.
+  non_blocking_io()
+    : value_(0)
+  {
+  }
+
+  // Construct with a specific command value.
+  non_blocking_io(bool value)
+    : value_(value ? 1 : 0)
+  {
+  }
+
+  // Get the name of the IO control command.
+  int name() const
+  {
+    return FIONBIO;
+  }
+
+  // Set the value of the I/O control command.
+  void set(bool value)
+  {
+    value_ = value ? 1 : 0;
+  }
+
+  // Get the current value of the I/O control command.
+  bool get() const
+  {
+    return value_ != 0;
+  }
+
+  // Get the address of the command data.
+  detail::ioctl_arg_type* data()
+  {
+    return &value_;
+  }
+
+  // Get the address of the command data.
+  const detail::ioctl_arg_type* data() const
+  {
+    return &value_;
+  }
+
+private:
+  detail::ioctl_arg_type value_;
+};
+
+// I/O control command for getting number of bytes available.
+class bytes_readable
+{
+public:
+  // Default constructor.
+  bytes_readable()
+    : value_(0)
+  {
+  }
+
+  // Construct with a specific command value.
+  bytes_readable(std::size_t value)
+    : value_(value)
+  {
+  }
+
+  // Get the name of the IO control command.
+  int name() const
+  {
+    return FIONREAD;
+  }
+
+  // Set the value of the I/O control command.
+  void set(std::size_t value)
+  {
+    value_ = static_cast<detail::ioctl_arg_type>(value);
+  }
+
+  // Get the current value of the I/O control command.
+  std::size_t get() const
+  {
+    return static_cast<std::size_t>(value_);
+  }
+
+  // Get the address of the command data.
+  detail::ioctl_arg_type* data()
+  {
+    return &value_;
+  }
+
+  // Get the address of the command data.
+  const detail::ioctl_arg_type* data() const
+  {
+    return &value_;
+  }
+
+private:
+  detail::ioctl_arg_type value_;
+};
+
+} // namespace io_control
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_IO_CONTROL_HPP

library/include/libtorrent/asio/detail/kqueue_reactor.hpp

@@ -0,0 +1,596 @@
+//
+// kqueue_reactor.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_KQUEUE_REACTOR_HPP
+#define ASIO_DETAIL_KQUEUE_REACTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/kqueue_reactor_fwd.hpp"
+
+#if defined(ASIO_HAS_KQUEUE)
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <vector>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/time.h>
+#include <boost/config.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include <boost/throw_exception.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/system_exception.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/mutex.hpp"
+#include "asio/detail/task_io_service.hpp"
+#include "asio/detail/thread.hpp"
+#include "asio/detail/reactor_op_queue.hpp"
+#include "asio/detail/select_interrupter.hpp"
+#include "asio/detail/signal_blocker.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/timer_queue.hpp"
+
+// Older versions of Mac OS X may not define EV_OOBAND.
+#if !defined(EV_OOBAND)
+# define EV_OOBAND EV_FLAG1
+#endif // !defined(EV_OOBAND)
+
+namespace asio {
+namespace detail {
+
+template <bool Own_Thread>
+class kqueue_reactor
+  : public asio::io_service::service
+{
+public:
+  // Constructor.
+  kqueue_reactor(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      mutex_(),
+      kqueue_fd_(do_kqueue_create()),
+      wait_in_progress_(false),
+      interrupter_(),
+      read_op_queue_(),
+      write_op_queue_(),
+      except_op_queue_(),
+      pending_cancellations_(),
+      stop_thread_(false),
+      thread_(0),
+      shutdown_(false)
+  {
+    // Start the reactor's internal thread only if needed.
+    if (Own_Thread)
+    {
+      asio::detail::signal_blocker sb;
+      thread_ = new asio::detail::thread(
+          bind_handler(&kqueue_reactor::call_run_thread, this));
+    }
+
+    // Add the interrupter's descriptor to the kqueue.
+    struct kevent event;
+    EV_SET(&event, interrupter_.read_descriptor(),
+        EVFILT_READ, EV_ADD, 0, 0, 0);
+    ::kevent(kqueue_fd_, &event, 1, 0, 0, 0);
+  }
+
+  // Destructor.
+  ~kqueue_reactor()
+  {
+    shutdown_service();
+    close(kqueue_fd_);
+  }
+
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    shutdown_ = true;
+    stop_thread_ = true;
+    lock.unlock();
+
+    if (thread_)
+    {
+      interrupter_.interrupt();
+      thread_->join();
+      delete thread_;
+      thread_ = 0;
+    }
+
+    read_op_queue_.destroy_operations();
+    write_op_queue_.destroy_operations();
+    except_op_queue_.destroy_operations();
+
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      timer_queues_[i]->destroy_timers();
+    timer_queues_.clear();
+  }
+
+  // Register a socket with the reactor. Returns 0 on success, system error
+  // code on failure.
+  int register_descriptor(socket_type)
+  {
+    return 0;
+  }
+
+  // Start a new read operation. The handler object will be invoked when the
+  // given descriptor is ready to be read, or an error has occurred.
+  template <typename Handler>
+  void start_read_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    if (!read_op_queue_.has_operation(descriptor))
+      if (handler(0))
+        return;
+
+    if (read_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      struct kevent event;
+      EV_SET(&event, descriptor, EVFILT_READ, EV_ADD, 0, 0, 0);
+      if (::kevent(kqueue_fd_, &event, 1, 0, 0, 0) == -1)
+      {
+        int error = errno;
+        read_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Start a new write operation. The handler object will be invoked when the
+  // given descriptor is ready to be written, or an error has occurred.
+  template <typename Handler>
+  void start_write_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    if (!write_op_queue_.has_operation(descriptor))
+      if (handler(0))
+        return;
+
+    if (write_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      struct kevent event;
+      EV_SET(&event, descriptor, EVFILT_WRITE, EV_ADD, 0, 0, 0);
+      if (::kevent(kqueue_fd_, &event, 1, 0, 0, 0) == -1)
+      {
+        int error = errno;
+        write_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Start a new exception operation. The handler object will be invoked when
+  // the given descriptor has exception information, or an error has occurred.
+  template <typename Handler>
+  void start_except_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    if (except_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      struct kevent event;
+      if (read_op_queue_.has_operation(descriptor))
+        EV_SET(&event, descriptor, EVFILT_READ, EV_ADD, 0, 0, 0);
+      else
+        EV_SET(&event, descriptor, EVFILT_READ, EV_ADD, EV_OOBAND, 0, 0);
+      if (::kevent(kqueue_fd_, &event, 1, 0, 0, 0) == -1)
+      {
+        int error = errno;
+        except_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Start new write and exception operations. The handler object will be
+  // invoked when the given descriptor is ready for writing or has exception
+  // information available, or an error has occurred.
+  template <typename Handler>
+  void start_write_and_except_ops(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    if (shutdown_)
+      return;
+
+    if (write_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      struct kevent event;
+      EV_SET(&event, descriptor, EVFILT_WRITE, EV_ADD, 0, 0, 0);
+      if (::kevent(kqueue_fd_, &event, 1, 0, 0, 0) == -1)
+      {
+        int error = errno;
+        write_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+
+    if (except_op_queue_.enqueue_operation(descriptor, handler))
+    {
+      struct kevent event;
+      if (read_op_queue_.has_operation(descriptor))
+        EV_SET(&event, descriptor, EVFILT_READ, EV_ADD, 0, 0, 0);
+      else
+        EV_SET(&event, descriptor, EVFILT_READ, EV_ADD, EV_OOBAND, 0, 0);
+      if (::kevent(kqueue_fd_, &event, 1, 0, 0, 0) == -1)
+      {
+        int error = errno;
+        except_op_queue_.dispatch_all_operations(descriptor, error);
+        write_op_queue_.dispatch_all_operations(descriptor, error);
+      }
+    }
+  }
+
+  // Cancel all operations associated with the given descriptor. The
+  // handlers associated with the descriptor will be invoked with the
+  // operation_aborted error.
+  void cancel_ops(socket_type descriptor)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    cancel_ops_unlocked(descriptor);
+  }
+
+  // Enqueue cancellation of all operations associated with the given
+  // descriptor. The handlers associated with the descriptor will be invoked
+  // with the operation_aborted error. This function does not acquire the
+  // kqueue_reactor's mutex, and so should only be used from within a reactor
+  // handler.
+  void enqueue_cancel_ops_unlocked(socket_type descriptor)
+  {
+    pending_cancellations_.push_back(descriptor);
+  }
+
+  // Cancel any operations that are running against the descriptor and remove
+  // its registration from the reactor.
+  void close_descriptor(socket_type descriptor)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // Remove the descriptor from kqueue.
+    struct kevent event[2];
+    EV_SET(&event[0], descriptor, EVFILT_READ, EV_DELETE, 0, 0, 0);
+    EV_SET(&event[1], descriptor, EVFILT_WRITE, EV_DELETE, 0, 0, 0);
+    ::kevent(kqueue_fd_, event, 2, 0, 0, 0);
+    
+    // Cancel any outstanding operations associated with the descriptor.
+    cancel_ops_unlocked(descriptor);
+  }
+
+  // Add a new timer queue to the reactor.
+  template <typename Time_Traits>
+  void add_timer_queue(timer_queue<Time_Traits>& timer_queue)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    timer_queues_.push_back(&timer_queue);
+  }
+
+  // Schedule a timer in the given timer queue to expire at the specified
+  // absolute time. The handler object will be invoked when the timer expires.
+  template <typename Time_Traits, typename Handler>
+  void schedule_timer(timer_queue<Time_Traits>& timer_queue,
+      const typename Time_Traits::time_type& time, Handler handler, void* token)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (!shutdown_)
+      if (timer_queue.enqueue_timer(time, handler, token))
+        interrupter_.interrupt();
+  }
+
+  // Cancel the timer associated with the given token. Returns the number of
+  // handlers that have been posted or dispatched.
+  template <typename Time_Traits>
+  std::size_t cancel_timer(timer_queue<Time_Traits>& timer_queue, void* token)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    return timer_queue.cancel_timer(token);
+  }
+
+private:
+  friend class task_io_service<kqueue_reactor<Own_Thread> >;
+
+  // Run the kqueue loop.
+  void run(bool block)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // Dispatch any operation cancellations that were made while the select
+    // loop was not running.
+    read_op_queue_.dispatch_cancellations();
+    write_op_queue_.dispatch_cancellations();
+    except_op_queue_.dispatch_cancellations();
+
+    // Check if the thread is supposed to stop.
+    if (stop_thread_)
+    {
+      // Clean up operations. We must not hold the lock since the operations may
+      // make calls back into this reactor.
+      lock.unlock();
+      read_op_queue_.cleanup_operations();
+      write_op_queue_.cleanup_operations();
+      except_op_queue_.cleanup_operations();
+      return;
+    }
+
+    // We can return immediately if there's no work to do and the reactor is
+    // not supposed to block.
+    if (!block && read_op_queue_.empty() && write_op_queue_.empty()
+        && except_op_queue_.empty() && all_timer_queues_are_empty())
+    {
+      // Clean up operations. We must not hold the lock since the operations may
+      // make calls back into this reactor.
+      lock.unlock();
+      read_op_queue_.cleanup_operations();
+      write_op_queue_.cleanup_operations();
+      except_op_queue_.cleanup_operations();
+      return;
+    }
+
+    // Determine how long to block while waiting for events.
+    timespec timeout_buf = { 0, 0 };
+    timespec* timeout = block ? get_timeout(timeout_buf) : &timeout_buf;
+
+    wait_in_progress_ = true;
+    lock.unlock();
+
+    // Block on the kqueue descriptor.
+    struct kevent events[128];
+    int num_events = kevent(kqueue_fd_, 0, 0, events, 128, timeout);
+
+    lock.lock();
+    wait_in_progress_ = false;
+
+    // Block signals while dispatching operations.
+    asio::detail::signal_blocker sb;
+
+    // Dispatch the waiting events.
+    for (int i = 0; i < num_events; ++i)
+    {
+      int descriptor = events[i].ident;
+      if (descriptor == interrupter_.read_descriptor())
+      {
+        interrupter_.reset();
+      }
+      else if (events[i].filter == EVFILT_READ)
+      {
+        // Dispatch operations associated with the descriptor.
+        bool more_reads = false;
+        bool more_except = false;
+        if (events[i].flags & EV_ERROR)
+        {
+          int error = events[i].data;
+          except_op_queue_.dispatch_all_operations(descriptor, error);
+          read_op_queue_.dispatch_all_operations(descriptor, error);
+        }
+        else if (events[i].flags & EV_OOBAND)
+        {
+          more_except = except_op_queue_.dispatch_operation(descriptor, 0);
+          if (events[i].data > 0)
+            more_reads = read_op_queue_.dispatch_operation(descriptor, 0);
+          else
+            more_reads = read_op_queue_.has_operation(descriptor);
+        }
+        else
+        {
+          more_reads = read_op_queue_.dispatch_operation(descriptor, 0);
+          more_except = except_op_queue_.has_operation(descriptor);
+        }
+
+        // Update the descriptor in the kqueue.
+        struct kevent event;
+        if (more_reads)
+          EV_SET(&event, descriptor, EVFILT_READ, EV_ADD, 0, 0, 0);
+        else if (more_except)
+          EV_SET(&event, descriptor, EVFILT_READ, EV_ADD, EV_OOBAND, 0, 0);
+        else
+          EV_SET(&event, descriptor, EVFILT_READ, EV_DELETE, 0, 0, 0);
+        if (::kevent(kqueue_fd_, &event, 1, 0, 0, 0) == -1)
+        {
+          int error = errno;
+          except_op_queue_.dispatch_all_operations(descriptor, error);
+          read_op_queue_.dispatch_all_operations(descriptor, error);
+        }
+      }
+      else if (events[i].filter == EVFILT_WRITE)
+      {
+        // Dispatch operations associated with the descriptor.
+        bool more_writes = false;
+        if (events[i].flags & EV_ERROR)
+        {
+          int error = events[i].data;
+          write_op_queue_.dispatch_all_operations(descriptor, error);
+        }
+        else
+        {
+          more_writes = write_op_queue_.dispatch_operation(descriptor, 0);
+        }
+
+        // Update the descriptor in the kqueue.
+        struct kevent event;
+        if (more_writes)
+          EV_SET(&event, descriptor, EVFILT_WRITE, EV_ADD, 0, 0, 0);
+        else
+          EV_SET(&event, descriptor, EVFILT_WRITE, EV_DELETE, 0, 0, 0);
+        if (::kevent(kqueue_fd_, &event, 1, 0, 0, 0) == -1)
+        {
+          int error = errno;
+          write_op_queue_.dispatch_all_operations(descriptor, error);
+        }
+      }
+    }
+
+    read_op_queue_.dispatch_cancellations();
+    write_op_queue_.dispatch_cancellations();
+    except_op_queue_.dispatch_cancellations();
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      timer_queues_[i]->dispatch_timers();
+
+    // Issue any pending cancellations.
+    for (std::size_t i = 0; i < pending_cancellations_.size(); ++i)
+      cancel_ops_unlocked(pending_cancellations_[i]);
+    pending_cancellations_.clear();
+
+    // Clean up operations. We must not hold the lock since the operations may
+    // make calls back into this reactor.
+    lock.unlock();
+    read_op_queue_.cleanup_operations();
+    write_op_queue_.cleanup_operations();
+    except_op_queue_.cleanup_operations();
+  }
+
+  // Run the select loop in the thread.
+  void run_thread()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    while (!stop_thread_)
+    {
+      lock.unlock();
+      run(true);
+      lock.lock();
+    }
+  }
+
+  // Entry point for the select loop thread.
+  static void call_run_thread(kqueue_reactor* reactor)
+  {
+    reactor->run_thread();
+  }
+
+  // Interrupt the select loop.
+  void interrupt()
+  {
+    interrupter_.interrupt();
+  }
+
+  // Create the kqueue file descriptor. Throws an exception if the descriptor
+  // cannot be created.
+  static int do_kqueue_create()
+  {
+    int fd = kqueue();
+    if (fd == -1)
+    {
+      system_exception e("kqueue", errno);
+      boost::throw_exception(e);
+    }
+    return fd;
+  }
+
+  // Check if all timer queues are empty.
+  bool all_timer_queues_are_empty() const
+  {
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      if (!timer_queues_[i]->empty())
+        return false;
+    return true;
+  }
+
+  // Get the timeout value for the kevent call.
+  timespec* get_timeout(timespec& ts)
+  {
+    if (all_timer_queues_are_empty())
+      return 0;
+
+    // By default we will wait no longer than 5 minutes. This will ensure that
+    // any changes to the system clock are detected after no longer than this.
+    boost::posix_time::time_duration minimum_wait_duration
+      = boost::posix_time::minutes(5);
+
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+    {
+      boost::posix_time::time_duration wait_duration
+        = timer_queues_[i]->wait_duration();
+      if (wait_duration < minimum_wait_duration)
+        minimum_wait_duration = wait_duration;
+    }
+
+    if (minimum_wait_duration > boost::posix_time::time_duration())
+    {
+      ts.tv_sec = minimum_wait_duration.total_seconds();
+      ts.tv_nsec = minimum_wait_duration.total_nanoseconds() % 1000000000;
+    }
+    else
+    {
+      ts.tv_sec = 0;
+      ts.tv_nsec = 0;
+    }
+
+    return &ts;
+  }
+
+  // Cancel all operations associated with the given descriptor. The do_cancel
+  // function of the handler objects will be invoked. This function does not
+  // acquire the epoll_reactor's mutex.
+  void cancel_ops_unlocked(socket_type descriptor)
+  {
+    bool interrupt = read_op_queue_.cancel_operations(descriptor);
+    interrupt = write_op_queue_.cancel_operations(descriptor) || interrupt;
+    interrupt = except_op_queue_.cancel_operations(descriptor) || interrupt;
+    if (interrupt)
+      interrupter_.interrupt();
+  }
+
+  // Mutex to protect access to internal data.
+  asio::detail::mutex mutex_;
+
+  // The epoll file descriptor.
+  int kqueue_fd_;
+
+  // Whether the kqueue wait call is currently in progress
+  bool wait_in_progress_;
+
+  // The interrupter is used to break a blocking epoll_wait call.
+  select_interrupter interrupter_;
+
+  // The queue of read operations.
+  reactor_op_queue<socket_type> read_op_queue_;
+
+  // The queue of write operations.
+  reactor_op_queue<socket_type> write_op_queue_;
+
+  // The queue of except operations.
+  reactor_op_queue<socket_type> except_op_queue_;
+
+  // The timer queues.
+  std::vector<timer_queue_base*> timer_queues_;
+
+  // The descriptors that are pending cancellation.
+  std::vector<socket_type> pending_cancellations_;
+
+  // Does the reactor loop thread need to stop.
+  bool stop_thread_;
+
+  // The thread that is running the reactor loop.
+  asio::detail::thread* thread_;
+
+  // Whether the service has been shut down.
+  bool shutdown_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(ASIO_HAS_KQUEUE)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_KQUEUE_REACTOR_HPP

library/include/libtorrent/asio/detail/kqueue_reactor_fwd.hpp

@@ -0,0 +1,41 @@
+//
+// kqueue_reactor_fwd.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_KQUEUE_REACTOR_FWD_HPP
+#define ASIO_DETAIL_KQUEUE_REACTOR_FWD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#if !defined(ASIO_DISABLE_KQUEUE)
+#if defined(__MACH__) && defined(__APPLE__)
+
+// Define this to indicate that epoll is supported on the target platform.
+#define ASIO_HAS_KQUEUE 1
+
+namespace asio {
+namespace detail {
+
+template <bool Own_Thread>
+class kqueue_reactor;
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(__MACH__) && defined(__APPLE__)
+#endif // !defined(ASIO_DISABLE_KQUEUE)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_KQUEUE_REACTOR_FWD_HPP

library/include/libtorrent/asio/detail/mutex.hpp

@@ -0,0 +1,50 @@
+//
+// mutex.hpp
+// ~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_MUTEX_HPP
+#define ASIO_DETAIL_MUTEX_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+# include "asio/detail/null_mutex.hpp"
+#elif defined(BOOST_WINDOWS)
+# include "asio/detail/win_mutex.hpp"
+#elif defined(BOOST_HAS_PTHREADS)
+# include "asio/detail/posix_mutex.hpp"
+#else
+# error Only Windows and POSIX are supported!
+#endif
+
+namespace asio {
+namespace detail {
+
+#if !defined(BOOST_HAS_THREADS)
+typedef null_mutex mutex;
+#elif defined(BOOST_WINDOWS)
+typedef win_mutex mutex;
+#elif defined(BOOST_HAS_PTHREADS)
+typedef posix_mutex mutex;
+#endif
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_MUTEX_HPP

library/include/libtorrent/asio/detail/noncopyable.hpp

@@ -0,0 +1,55 @@
+//
+// noncopyable.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_NONCOPYABLE_HPP
+#define ASIO_DETAIL_NONCOPYABLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include <boost/noncopyable.hpp>
+#include <boost/detail/workaround.hpp>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+namespace detail {
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+// Redefine the noncopyable class for Borland C++ since that compiler does not
+// apply the empty base optimisation unless the base class contains a dummy
+// char data member.
+class noncopyable
+{
+protected:
+  noncopyable() {}
+  ~noncopyable() {}
+private:
+  noncopyable(const noncopyable&);
+  const noncopyable& operator=(const noncopyable&);
+  char dummy_;
+};
+#else
+using boost::noncopyable;
+#endif
+
+} // namespace detail
+
+using asio::detail::noncopyable;
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_NONCOPYABLE_HPP

library/include/libtorrent/asio/detail/null_event.hpp

@@ -0,0 +1,68 @@
+//
+// null_event.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_NULL_EVENT_HPP
+#define ASIO_DETAIL_NULL_EVENT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+class null_event
+  : private noncopyable
+{
+public:
+  // Constructor.
+  null_event()
+  {
+  }
+
+  // Destructor.
+  ~null_event()
+  {
+  }
+
+  // Signal the event.
+  void signal()
+  {
+  }
+
+  // Reset the event.
+  void clear()
+  {
+  }
+
+  // Wait for the event to become signalled.
+  void wait()
+  {
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_NULL_EVENT_HPP

library/include/libtorrent/asio/detail/null_mutex.hpp

@@ -0,0 +1,66 @@
+//
+// null_mutex.hpp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_NULL_MUTEX_HPP
+#define ASIO_DETAIL_NULL_MUTEX_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/scoped_lock.hpp"
+
+namespace asio {
+namespace detail {
+
+class null_mutex
+  : private noncopyable
+{
+public:
+  typedef asio::detail::scoped_lock<null_mutex> scoped_lock;
+
+  // Constructor.
+  null_mutex()
+  {
+  }
+
+  // Destructor.
+  ~null_mutex()
+  {
+  }
+
+  // Lock the mutex.
+  void lock()
+  {
+  }
+
+  // Unlock the mutex.
+  void unlock()
+  {
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_NULL_MUTEX_HPP

library/include/libtorrent/asio/detail/null_signal_blocker.hpp

@@ -0,0 +1,63 @@
+//
+// null_signal_blocker.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
+#define ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+class null_signal_blocker
+  : private noncopyable
+{
+public:
+  // Constructor blocks all signals for the calling thread.
+  null_signal_blocker()
+  {
+  }
+
+  // Destructor restores the previous signal mask.
+  ~null_signal_blocker()
+  {
+  }
+
+  // Block all signals for the calling thread.
+  void block()
+  {
+  }
+
+  // Restore the previous signal mask.
+  void unblock()
+  {
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_NULL_SIGNAL_BLOCKER_HPP

library/include/libtorrent/asio/detail/null_thread.hpp

@@ -0,0 +1,67 @@
+//
+// null_thread.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_NULL_THREAD_HPP
+#define ASIO_DETAIL_NULL_THREAD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/push_options.hpp"
+#include <boost/throw_exception.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/error.hpp"
+#include "asio/system_exception.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+class null_thread
+  : private noncopyable
+{
+public:
+  // Constructor.
+  template <typename Function>
+  null_thread(Function f)
+  {
+    system_exception e("thread", asio::error::not_supported);
+    boost::throw_exception(e);
+  }
+
+  // Destructor.
+  ~null_thread()
+  {
+  }
+
+  // Wait for the thread to exit.
+  void join()
+  {
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_NULL_THREAD_HPP

library/include/libtorrent/asio/detail/null_tss_ptr.hpp

@@ -0,0 +1,70 @@
+//
+// null_tss_ptr.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_NULL_TSS_PTR_HPP
+#define ASIO_DETAIL_NULL_TSS_PTR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename T>
+class null_tss_ptr
+  : private noncopyable
+{
+public:
+  // Constructor.
+  null_tss_ptr()
+    : value_(0)
+  {
+  }
+
+  // Destructor.
+  ~null_tss_ptr()
+  {
+  }
+
+  // Get the value.
+  operator T*() const
+  {
+    return value_;
+  }
+
+  // Set the value.
+  void operator=(T* value)
+  {
+    value_ = value;
+  }
+
+private:
+  T* value_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_HAS_THREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_NULL_TSS_PTR_HPP

library/include/libtorrent/asio/detail/old_win_sdk_compat.hpp

@@ -0,0 +1,312 @@
+//
+// old_win_sdk_compat.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
+#define ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+
+// Guess whether we are building against on old Platform SDK.
+#if !defined(IPPROTO_IPV6)
+#define ASIO_HAS_OLD_WIN_SDK 1
+#endif // !defined(IPPROTO_IPV6)
+
+#if defined(ASIO_HAS_OLD_WIN_SDK)
+
+// Emulation of types that are missing from old Platform SDKs.
+
+namespace asio {
+namespace detail {
+
+enum
+{
+  sockaddr_storage_maxsize = 128, // Maximum size.
+  sockaddr_storage_alignsize = (sizeof(__int64)), // Desired alignment.
+  sockaddr_storage_pad1size = (sockaddr_storage_alignsize - sizeof(short)),
+  sockaddr_storage_pad2size = (sockaddr_storage_maxsize -
+      (sizeof(short) + sockaddr_storage_pad1size + sockaddr_storage_alignsize))
+};
+
+struct sockaddr_storage_emulation
+{
+  short ss_family;
+  char __ss_pad1[sockaddr_storage_pad1size];
+  __int64 __ss_align;
+  char __ss_pad2[sockaddr_storage_pad2size];
+};
+
+struct in6_addr_emulation
+{
+  u_char s6_addr[16];
+};
+
+struct sockaddr_in6_emulation
+{
+  short sin6_family;
+  u_short sin6_port;
+  u_long sin6_flowinfo;
+  in6_addr_emulation sin6_addr;
+  u_long sin6_scope_id;
+};
+
+struct ipv6_mreq_emulation
+{
+  in6_addr_emulation ipv6mr_multiaddr;
+  unsigned int ipv6mr_interface;
+};
+
+#if !defined(IN6ADDR_ANY_INIT)
+# define IN6ADDR_ANY_INIT { 0 }
+#endif
+
+#if !defined(IN6ADDR_LOOPBACK_INIT)
+# define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }
+#endif
+
+struct addrinfo_emulation
+{
+  int ai_flags;
+  int ai_family;
+  int ai_socktype;
+  int ai_protocol;
+  size_t ai_addrlen;
+  char* ai_canonname;
+  sockaddr* ai_addr;
+  addrinfo_emulation* ai_next;
+};
+
+#if !defined(AI_PASSIVE)
+# define AI_PASSIVE 0x1
+#endif
+
+#if !defined(AI_CANONNAME)
+# define AI_CANONNAME 0x2
+#endif
+
+#if !defined(AI_NUMERICHOST)
+# define AI_NUMERICHOST 0x4
+#endif
+
+#if !defined(EAI_AGAIN)
+# define EAI_AGAIN WSATRY_AGAIN
+#endif
+
+#if !defined(EAI_BADFLAGS)
+# define EAI_BADFLAGS WSAEINVAL
+#endif
+
+#if !defined(EAI_FAIL)
+# define EAI_FAIL WSANO_RECOVERY
+#endif
+
+#if !defined(EAI_FAMILY)
+# define EAI_FAMILY WSAEAFNOSUPPORT
+#endif
+
+#if !defined(EAI_MEMORY)
+# define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY
+#endif
+
+#if !defined(EAI_NODATA)
+# define EAI_NODATA WSANO_DATA
+#endif
+
+#if !defined(EAI_NONAME)
+# define EAI_NONAME WSAHOST_NOT_FOUND
+#endif
+
+#if !defined(EAI_SERVICE)
+# define EAI_SERVICE WSATYPE_NOT_FOUND
+#endif
+
+#if !defined(EAI_SOCKTYPE)
+# define EAI_SOCKTYPE WSAESOCKTNOSUPPORT
+#endif
+
+#if !defined(NI_NOFQDN)
+# define NI_NOFQDN 0x01
+#endif
+
+#if !defined(NI_NUMERICHOST)
+# define NI_NUMERICHOST 0x02
+#endif
+
+#if !defined(NI_NAMEREQD)
+# define NI_NAMEREQD 0x04
+#endif
+
+#if !defined(NI_NUMERICSERV)
+# define NI_NUMERICSERV 0x08
+#endif
+
+#if !defined(NI_DGRAM)
+# define NI_DGRAM 0x10
+#endif
+
+#if !defined(IPPROTO_IPV6)
+# define IPPROTO_IPV6 41
+#endif
+
+#if !defined(IPV6_MULTICAST_IF)
+# define IPV6_MULTICAST_IF 9
+#endif
+
+#if !defined(IPV6_MULTICAST_HOPS)
+# define IPV6_MULTICAST_HOPS 10
+#endif
+
+#if !defined(IPV6_MULTICAST_LOOP)
+# define IPV6_MULTICAST_LOOP 11
+#endif
+
+#if !defined(IPV6_JOIN_GROUP)
+# define IPV6_JOIN_GROUP 12
+#endif
+
+#if !defined(IPV6_LEAVE_GROUP)
+# define IPV6_LEAVE_GROUP 13
+#endif
+
+inline int IN6_IS_ADDR_UNSPECIFIED(const in6_addr_emulation* a)
+{
+  return ((a->s6_addr[0] == 0)
+      && (a->s6_addr[1] == 0)
+      && (a->s6_addr[2] == 0)
+      && (a->s6_addr[3] == 0)
+      && (a->s6_addr[4] == 0)
+      && (a->s6_addr[5] == 0)
+      && (a->s6_addr[6] == 0)
+      && (a->s6_addr[7] == 0)
+      && (a->s6_addr[8] == 0)
+      && (a->s6_addr[9] == 0)
+      && (a->s6_addr[10] == 0)
+      && (a->s6_addr[11] == 0)
+      && (a->s6_addr[12] == 0)
+      && (a->s6_addr[13] == 0)
+      && (a->s6_addr[14] == 0)
+      && (a->s6_addr[15] == 0));
+}
+
+inline int IN6_IS_ADDR_LOOPBACK(const in6_addr_emulation* a)
+{
+  return ((a->s6_addr[0] == 0)
+      && (a->s6_addr[1] == 0)
+      && (a->s6_addr[2] == 0)
+      && (a->s6_addr[3] == 0)
+      && (a->s6_addr[4] == 0)
+      && (a->s6_addr[5] == 0)
+      && (a->s6_addr[6] == 0)
+      && (a->s6_addr[7] == 0)
+      && (a->s6_addr[8] == 0)
+      && (a->s6_addr[9] == 0)
+      && (a->s6_addr[10] == 0)
+      && (a->s6_addr[11] == 0)
+      && (a->s6_addr[12] == 0)
+      && (a->s6_addr[13] == 0)
+      && (a->s6_addr[14] == 0)
+      && (a->s6_addr[15] == 1));
+}
+
+inline int IN6_IS_ADDR_MULTICAST(const in6_addr_emulation* a)
+{
+  return (a->s6_addr[0] == 0xff);
+}
+
+inline int IN6_IS_ADDR_LINKLOCAL(const in6_addr_emulation* a)
+{
+  return ((a->s6_addr[0] == 0xfe) && ((a->s6_addr[1] & 0xc0) == 0x80));
+}
+
+inline int IN6_IS_ADDR_SITELOCAL(const in6_addr_emulation* a)
+{
+  return ((a->s6_addr[0] == 0xfe) && ((a->s6_addr[1] & 0xc0) == 0xc0));
+}
+
+inline int IN6_IS_ADDR_V4MAPPED(const in6_addr_emulation* a)
+{
+  return ((a->s6_addr[0] == 0)
+      && (a->s6_addr[1] == 0)
+      && (a->s6_addr[2] == 0)
+      && (a->s6_addr[3] == 0)
+      && (a->s6_addr[4] == 0)
+      && (a->s6_addr[5] == 0)
+      && (a->s6_addr[6] == 0)
+      && (a->s6_addr[7] == 0)
+      && (a->s6_addr[8] == 0)
+      && (a->s6_addr[9] == 0)
+      && (a->s6_addr[10] == 0xff)
+      && (a->s6_addr[11] == 0xff));
+}
+
+inline int IN6_IS_ADDR_V4COMPAT(const in6_addr_emulation* a)
+{
+  return ((a->s6_addr[0] == 0)
+      && (a->s6_addr[1] == 0)
+      && (a->s6_addr[2] == 0)
+      && (a->s6_addr[3] == 0)
+      && (a->s6_addr[4] == 0)
+      && (a->s6_addr[5] == 0)
+      && (a->s6_addr[6] == 0)
+      && (a->s6_addr[7] == 0)
+      && (a->s6_addr[8] == 0)
+      && (a->s6_addr[9] == 0)
+      && (a->s6_addr[10] == 0xff)
+      && (a->s6_addr[11] == 0xff)
+      && !((a->s6_addr[12] == 0)
+        && (a->s6_addr[13] == 0)
+        && (a->s6_addr[14] == 0)
+        && ((a->s6_addr[15] == 0) || (a->s6_addr[15] == 1))));
+}
+
+inline int IN6_IS_ADDR_MC_NODELOCAL(const in6_addr_emulation* a)
+{
+  return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 1);
+}
+
+inline int IN6_IS_ADDR_MC_LINKLOCAL(const in6_addr_emulation* a)
+{
+  return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 2);
+}
+
+inline int IN6_IS_ADDR_MC_SITELOCAL(const in6_addr_emulation* a)
+{
+  return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 5);
+}
+
+inline int IN6_IS_ADDR_MC_ORGLOCAL(const in6_addr_emulation* a)
+{
+  return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 8);
+}
+
+inline int IN6_IS_ADDR_MC_GLOBAL(const in6_addr_emulation* a)
+{
+  return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_addr[1] & 0xf) == 0xe);
+}
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(ASIO_HAS_OLD_WIN_SDK)
+
+#endif // defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_OLD_WIN_SDK_COMPAT_HPP

library/include/libtorrent/asio/detail/pipe_select_interrupter.hpp

@@ -0,0 +1,104 @@
+//
+// pipe_select_interrupter.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_PIPE_SELECT_INTERRUPTER_HPP
+#define ASIO_DETAIL_PIPE_SELECT_INTERRUPTER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+#include "asio/detail/push_options.hpp"
+#include <fcntl.h>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/socket_types.hpp"
+
+namespace asio {
+namespace detail {
+
+class pipe_select_interrupter
+{
+public:
+  // Constructor.
+  pipe_select_interrupter()
+  {
+    int pipe_fds[2];
+    if (pipe(pipe_fds) == 0)
+    {
+      read_descriptor_ = pipe_fds[0];
+      ::fcntl(read_descriptor_, F_SETFL, O_NONBLOCK);
+      write_descriptor_ = pipe_fds[1];
+      ::fcntl(write_descriptor_, F_SETFL, O_NONBLOCK);
+    }
+  }
+
+  // Destructor.
+  ~pipe_select_interrupter()
+  {
+    if (read_descriptor_ != -1)
+      ::close(read_descriptor_);
+    if (write_descriptor_ != -1)
+      ::close(write_descriptor_);
+  }
+
+  // Interrupt the select call.
+  void interrupt()
+  {
+    char byte = 0;
+    ::write(write_descriptor_, &byte, 1);
+  }
+
+  // Reset the select interrupt. Returns true if the call was interrupted.
+  bool reset()
+  {
+    char data[1024];
+    int bytes_read = ::read(read_descriptor_, data, sizeof(data));
+    bool was_interrupted = (bytes_read > 0);
+    while (bytes_read == sizeof(data))
+      bytes_read = ::read(read_descriptor_, data, sizeof(data));
+    return was_interrupted;
+  }
+
+  // Get the read descriptor to be passed to select.
+  int read_descriptor() const
+  {
+    return read_descriptor_;
+  }
+
+private:
+  // The read end of a connection used to interrupt the select call. This file
+  // descriptor is passed to select such that when it is time to stop, a single
+  // byte will be written on the other end of the connection and this
+  // descriptor will become readable.
+  int read_descriptor_;
+
+  // The write end of a connection used to interrupt the select call. A single
+  // byte may be written to this to wake up the select which is waiting for the
+  // other end to become readable.
+  int write_descriptor_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_PIPE_SELECT_INTERRUPTER_HPP

library/include/libtorrent/asio/detail/pop_options.hpp

@@ -0,0 +1,88 @@
+//
+// pop_options.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// No header guard
+
+#if defined(__COMO__)
+
+// Comeau C++
+
+#elif defined(__DMC__)
+
+// Digital Mars C++
+
+#elif defined(__INTEL_COMPILER) || defined(__ICL) \
+  || defined(__ICC) || defined(__ECC)
+
+// Intel C++
+
+#elif defined(__GNUC__)
+
+// GNU C++
+
+# if defined(__MINGW32__) || defined(__CYGWIN__)
+#  pragma pack (pop)
+# endif
+
+#elif defined(__KCC)
+
+// Kai C++
+
+#elif defined(__sgi)
+
+// SGI MIPSpro C++
+
+#elif defined(__DECCXX)
+
+// Compaq Tru64 Unix cxx
+
+#elif defined(__ghs)
+
+// Greenhills C++
+
+#elif defined(__BORLANDC__)
+
+// Borland C++
+
+# pragma option pop
+# pragma nopushoptwarn
+# pragma nopackwarning
+
+#elif defined(__MWERKS__)
+
+// Metrowerks CodeWarrior
+
+#elif defined(__SUNPRO_CC)
+
+// Sun Workshop Compiler C++
+
+#elif defined(__HP_aCC)
+
+// HP aCC
+
+#elif defined(__MRC__) || defined(__SC__)
+
+// MPW MrCpp or SCpp
+
+#elif defined(__IBMCPP__)
+
+// IBM Visual Age
+
+#elif defined(_MSC_VER)
+
+// Microsoft Visual C++
+//
+// Must remain the last #elif since some other vendors (Metrowerks, for example)
+// also #define _MSC_VER
+
+# pragma warning (pop)
+# pragma pack (pop)
+
+#endif

library/include/libtorrent/asio/detail/posix_event.hpp

@@ -0,0 +1,107 @@
+//
+// posix_event.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_POSIX_EVENT_HPP
+#define ASIO_DETAIL_POSIX_EVENT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/push_options.hpp"
+#include <boost/throw_exception.hpp>
+#include <pthread.h>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/system_exception.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+class posix_event
+  : private noncopyable
+{
+public:
+  // Constructor.
+  posix_event()
+    : signalled_(false)
+  {
+    int error = ::pthread_mutex_init(&mutex_, 0);
+    if (error != 0)
+    {
+      system_exception e("event", error);
+      boost::throw_exception(e);
+    }
+
+    error = ::pthread_cond_init(&cond_, 0);
+    if (error != 0)
+    {
+      ::pthread_mutex_destroy(&mutex_);
+      system_exception e("event", error);
+      boost::throw_exception(e);
+    }
+  }
+
+  // Destructor.
+  ~posix_event()
+  {
+    ::pthread_cond_destroy(&cond_);
+    ::pthread_mutex_destroy(&mutex_);
+  }
+
+  // Signal the event.
+  void signal()
+  {
+    ::pthread_mutex_lock(&mutex_); // Ignore EINVAL and EDEADLK.
+    signalled_ = true;
+    ::pthread_cond_signal(&cond_); // Ignore EINVAL.
+    ::pthread_mutex_unlock(&mutex_); // Ignore EINVAL and EPERM.
+  }
+
+  // Reset the event.
+  void clear()
+  {
+    ::pthread_mutex_lock(&mutex_); // Ignore EINVAL and EDEADLK.
+    signalled_ = false;
+    ::pthread_mutex_unlock(&mutex_); // Ignore EINVAL and EPERM.
+  }
+
+  // Wait for the event to become signalled.
+  void wait()
+  {
+    ::pthread_mutex_lock(&mutex_); // Ignore EINVAL and EDEADLK.
+    while (!signalled_)
+      ::pthread_cond_wait(&cond_, &mutex_); // Ignore EINVAL.
+    ::pthread_mutex_unlock(&mutex_); // Ignore EINVAL and EPERM.
+  }
+
+private:
+  ::pthread_mutex_t mutex_;
+  ::pthread_cond_t cond_;
+  bool signalled_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_POSIX_EVENT_HPP

library/include/libtorrent/asio/detail/posix_fd_set_adapter.hpp

@@ -0,0 +1,71 @@
+//
+// posix_fd_set_adapter.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_POSIX_FD_SET_ADAPTER_HPP
+#define ASIO_DETAIL_POSIX_FD_SET_ADAPTER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/socket_types.hpp"
+
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+namespace asio {
+namespace detail {
+
+// Adapts the FD_SET type to meet the Descriptor_Set concept's requirements.
+class posix_fd_set_adapter
+{
+public:
+  posix_fd_set_adapter()
+    : max_descriptor_(invalid_socket)
+  {
+    FD_ZERO(&fd_set_);
+  }
+
+  void set(socket_type descriptor)
+  {
+    if (max_descriptor_ == invalid_socket || descriptor > max_descriptor_)
+      max_descriptor_ = descriptor;
+    FD_SET(descriptor, &fd_set_);
+  }
+
+  bool is_set(socket_type descriptor) const
+  {
+    return FD_ISSET(descriptor, &fd_set_) != 0;
+  }
+
+  operator fd_set*()
+  {
+    return &fd_set_;
+  }
+
+  socket_type max_descriptor() const
+  {
+    return max_descriptor_;
+  }
+
+private:
+  fd_set fd_set_;
+  socket_type max_descriptor_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_POSIX_FD_SET_ADAPTER_HPP

library/include/libtorrent/asio/detail/posix_mutex.hpp

@@ -0,0 +1,94 @@
+//
+// posix_mutex.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_POSIX_MUTEX_HPP
+#define ASIO_DETAIL_POSIX_MUTEX_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/push_options.hpp"
+#include <boost/throw_exception.hpp>
+#include <pthread.h>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/system_exception.hpp"
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/scoped_lock.hpp"
+
+namespace asio {
+namespace detail {
+
+class posix_mutex
+  : private noncopyable
+{
+public:
+  typedef asio::detail::scoped_lock<posix_mutex> scoped_lock;
+
+  // Constructor.
+  posix_mutex()
+  {
+    int error = ::pthread_mutex_init(&mutex_, 0);
+    if (error != 0)
+    {
+      system_exception e("mutex", error);
+      boost::throw_exception(e);
+    }
+  }
+
+  // Destructor.
+  ~posix_mutex()
+  {
+    ::pthread_mutex_destroy(&mutex_);
+  }
+
+  // Lock the mutex.
+  void lock()
+  {
+    int error = ::pthread_mutex_lock(&mutex_);
+    if (error != 0)
+    {
+      system_exception e("mutex", error);
+      boost::throw_exception(e);
+    }
+  }
+
+  // Unlock the mutex.
+  void unlock()
+  {
+    int error = ::pthread_mutex_unlock(&mutex_);
+    if (error != 0)
+    {
+      system_exception e("mutex", error);
+      boost::throw_exception(e);
+    }
+  }
+
+private:
+  ::pthread_mutex_t mutex_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_POSIX_MUTEX_HPP

library/include/libtorrent/asio/detail/posix_signal_blocker.hpp

@@ -0,0 +1,89 @@
+//
+// posix_signal_blocker.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_POSIX_SIGNAL_BLOCKER_HPP
+#define ASIO_DETAIL_POSIX_SIGNAL_BLOCKER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/push_options.hpp"
+#include <csignal>
+#include <pthread.h>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+class posix_signal_blocker
+  : private noncopyable
+{
+public:
+  // Constructor blocks all signals for the calling thread.
+  posix_signal_blocker()
+    : blocked_(false)
+  {
+    sigset_t new_mask;
+    sigfillset(&new_mask);
+    blocked_ = (pthread_sigmask(SIG_BLOCK, &new_mask, &old_mask_) == 0);
+  }
+
+  // Destructor restores the previous signal mask.
+  ~posix_signal_blocker()
+  {
+    if (blocked_)
+      pthread_sigmask(SIG_SETMASK, &old_mask_, 0);
+  }
+
+  // Block all signals for the calling thread.
+  void block()
+  {
+    if (!blocked_)
+    {
+      sigset_t new_mask;
+      sigfillset(&new_mask);
+      blocked_ = (pthread_sigmask(SIG_BLOCK, &new_mask, &old_mask_) == 0);
+    }
+  }
+
+  // Restore the previous signal mask.
+  void unblock()
+  {
+    if (blocked_)
+      blocked_ = (pthread_sigmask(SIG_SETMASK, &old_mask_, 0) != 0);
+  }
+
+private:
+  // Have signals been blocked.
+  bool blocked_;
+
+  // The previous signal mask.
+  sigset_t old_mask_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_POSIX_SIGNAL_BLOCKER_HPP

library/include/libtorrent/asio/detail/posix_thread.hpp

@@ -0,0 +1,125 @@
+//
+// posix_thread.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_POSIX_THREAD_HPP
+#define ASIO_DETAIL_POSIX_THREAD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/push_options.hpp"
+#include <memory>
+#include <boost/throw_exception.hpp>
+#include <pthread.h>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/system_exception.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+extern "C" void* asio_detail_posix_thread_function(void* arg);
+
+class posix_thread
+  : private noncopyable
+{
+public:
+  // Constructor.
+  template <typename Function>
+  posix_thread(Function f)
+    : joined_(false)
+  {
+    std::auto_ptr<func_base> arg(new func<Function>(f));
+    int error = ::pthread_create(&thread_, 0,
+          asio_detail_posix_thread_function, arg.get());
+    if (error != 0)
+    {
+      system_exception e("thread", error);
+      boost::throw_exception(e);
+    }
+    arg.release();
+  }
+
+  // Destructor.
+  ~posix_thread()
+  {
+    if (!joined_)
+      ::pthread_detach(thread_);
+  }
+
+  // Wait for the thread to exit.
+  void join()
+  {
+    if (!joined_)
+    {
+      ::pthread_join(thread_, 0);
+      joined_ = true;
+    }
+  }
+
+private:
+  friend void* asio_detail_posix_thread_function(void* arg);
+
+  class func_base
+  {
+  public:
+    virtual ~func_base() {}
+    virtual void run() = 0;
+  };
+
+  template <typename Function>
+  class func
+    : public func_base
+  {
+  public:
+    func(Function f)
+      : f_(f)
+    {
+    }
+
+    virtual void run()
+    {
+      f_();
+    }
+
+  private:
+    Function f_;
+  };
+
+  ::pthread_t thread_;
+  bool joined_;
+};
+
+inline void* asio_detail_posix_thread_function(void* arg)
+{
+  std::auto_ptr<posix_thread::func_base> f(
+      static_cast<posix_thread::func_base*>(arg));
+  f->run();
+  return 0;
+}
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_POSIX_THREAD_HPP

library/include/libtorrent/asio/detail/posix_tss_ptr.hpp

@@ -0,0 +1,84 @@
+//
+// posix_tss_ptr.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_POSIX_TSS_PTR_HPP
+#define ASIO_DETAIL_POSIX_TSS_PTR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/push_options.hpp"
+#include <boost/throw_exception.hpp>
+#include <pthread.h>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/system_exception.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename T>
+class posix_tss_ptr
+  : private noncopyable
+{
+public:
+  // Constructor.
+  posix_tss_ptr()
+  {
+    int error = ::pthread_key_create(&tss_key_, 0);
+    if (error != 0)
+    {
+      system_exception e("tss", error);
+      boost::throw_exception(e);
+    }
+  }
+
+  // Destructor.
+  ~posix_tss_ptr()
+  {
+    ::pthread_key_delete(tss_key_);
+  }
+
+  // Get the value.
+  operator T*() const
+  {
+    return static_cast<T*>(::pthread_getspecific(tss_key_));
+  }
+
+  // Set the value.
+  void operator=(T* value)
+  {
+    ::pthread_setspecific(tss_key_, value);
+  }
+
+private:
+  // Thread-specific storage to allow unlocked access to determine whether a
+  // thread is a member of the pool.
+  pthread_key_t tss_key_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(BOOST_HAS_PTHREADS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_POSIX_TSS_PTR_HPP

library/include/libtorrent/asio/detail/push_options.hpp

@@ -0,0 +1,106 @@
+//
+// push_options.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+// No header guard
+
+#if defined(__COMO__)
+
+// Comeau C++
+
+#elif defined(__DMC__)
+
+// Digital Mars C++
+
+#elif defined(__INTEL_COMPILER) || defined(__ICL) \
+  || defined(__ICC) || defined(__ECC)
+
+// Intel C++
+
+#elif defined(__GNUC__)
+
+// GNU C++
+
+# if defined(__MINGW32__) || defined(__CYGWIN__)
+#  pragma pack (push, 8)
+# endif
+
+#elif defined(__KCC)
+
+// Kai C++
+
+#elif defined(__sgi)
+
+// SGI MIPSpro C++
+
+#elif defined(__DECCXX)
+
+// Compaq Tru64 Unix cxx
+
+#elif defined(__ghs)
+
+// Greenhills C++
+
+#elif defined(__BORLANDC__)
+
+// Borland C++
+
+# pragma option push -a8 -b -Ve- -Vx- -w-inl -vi-
+# pragma nopushoptwarn
+# pragma nopackwarning
+# if !defined(__MT__)
+#  error Multithreaded RTL must be selected.
+# endif // !defined(__MT__)
+
+#elif defined(__MWERKS__)
+
+// Metrowerks CodeWarrior
+
+#elif defined(__SUNPRO_CC)
+
+// Sun Workshop Compiler C++
+
+#elif defined(__HP_aCC)
+
+// HP aCC
+
+#elif defined(__MRC__) || defined(__SC__)
+
+// MPW MrCpp or SCpp
+
+#elif defined(__IBMCPP__)
+
+// IBM Visual Age
+
+#elif defined(_MSC_VER)
+
+// Microsoft Visual C++
+//
+// Must remain the last #elif since some other vendors (Metrowerks, for example)
+// also #define _MSC_VER
+
+# pragma warning (disable:4103)
+# pragma warning (push)
+# pragma warning (disable:4244)
+# pragma warning (disable:4355)
+# pragma warning (disable:4675)
+# pragma pack (push, 8)
+// Note that if the /Og optimisation flag is enabled with MSVC6, the compiler
+// has a tendency to incorrectly optimise away some calls to member template
+// functions, even though those functions contain code that should not be
+// optimised away! Therefore we will always disable this optimisation option
+// for the MSVC6 compiler.
+# if (_MSC_VER < 1300)
+#  pragma optimize ("g", off)
+# endif
+# if !defined(_MT)
+#  error Multithreaded RTL must be selected.
+# endif // !defined(_MT)
+
+#endif

library/include/libtorrent/asio/detail/reactor_op_queue.hpp

@@ -0,0 +1,379 @@
+//
+// reactor_op_queue.hpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_REACTOR_OP_QUEUE_HPP
+#define ASIO_DETAIL_REACTOR_OP_QUEUE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <memory>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/error.hpp"
+#include "asio/detail/hash_map.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Descriptor>
+class reactor_op_queue
+  : private noncopyable
+{
+public:
+  // Constructor.
+  reactor_op_queue()
+    : operations_(),
+      cancelled_operations_(0),
+      cleanup_operations_(0)
+  {
+  }
+
+  // Add a new operation to the queue. Returns true if this is the only
+  // operation for the given descriptor, in which case the reactor's event
+  // demultiplexing function call may need to be interrupted and restarted.
+  template <typename Handler>
+  bool enqueue_operation(Descriptor descriptor, Handler handler)
+  {
+    op_base* new_op = new op<Handler>(descriptor, handler);
+
+    typedef typename operation_map::iterator iterator;
+    typedef typename operation_map::value_type value_type;
+    std::pair<iterator, bool> entry =
+      operations_.insert(value_type(descriptor, new_op));
+    if (entry.second)
+      return true;
+
+    op_base* current_op = entry.first->second;
+    while (current_op->next_)
+      current_op = current_op->next_;
+    current_op->next_ = new_op;
+
+    return false;
+  }
+
+  // Cancel all operations associated with the descriptor. Any operations
+  // pending for the descriptor will be notified that they have been cancelled
+  // next time dispatch_cancellations is called. Returns true if any operations
+  // were cancelled, in which case the reactor's event demultiplexing function
+  // may need to be interrupted and restarted.
+  bool cancel_operations(Descriptor descriptor)
+  {
+    typename operation_map::iterator i = operations_.find(descriptor);
+    if (i != operations_.end())
+    {
+      op_base* last_op = i->second;
+      while (last_op->next_)
+        last_op = last_op->next_;
+      last_op->next_ = cancelled_operations_;
+      cancelled_operations_ = i->second;
+      operations_.erase(i);
+      return true;
+    }
+
+    return false;
+  }
+
+  // Whether there are no operations in the queue.
+  bool empty() const
+  {
+    return operations_.empty();
+  }
+
+  // Determine whether there are any operations associated with the descriptor.
+  bool has_operation(Descriptor descriptor) const
+  {
+    return operations_.find(descriptor) != operations_.end();
+  }
+
+  // Dispatch the first operation corresponding to the descriptor. Returns true
+  // if there are more operations queued for the descriptor.
+  bool dispatch_operation(Descriptor descriptor, int result)
+  {
+    typename operation_map::iterator i = operations_.find(descriptor);
+    if (i != operations_.end())
+    {
+      op_base* this_op = i->second;
+      i->second = this_op->next_;
+      this_op->next_ = cleanup_operations_;
+      cleanup_operations_ = this_op;
+      bool done = this_op->invoke(result);
+      if (done)
+      {
+        // Operation has finished.
+        if (i->second)
+        {
+          return true;
+        }
+        else
+        {
+          operations_.erase(i);
+          return false;
+        }
+      }
+      else
+      {
+        // Operation wants to be called again. Leave it at the front of the
+        // queue for this descriptor, and remove from the cleanup list.
+        cleanup_operations_ = this_op->next_;
+        this_op->next_ = i->second;
+        i->second = this_op;
+        return true;
+      }
+    }
+    return false;
+  }
+
+  // Dispatch all operations corresponding to the descriptor.
+  void dispatch_all_operations(Descriptor descriptor, int result)
+  {
+    typename operation_map::iterator i = operations_.find(descriptor);
+    if (i != operations_.end())
+    {
+      while (i->second)
+      {
+        op_base* this_op = i->second;
+        i->second = this_op->next_;
+        this_op->next_ = cleanup_operations_;
+        cleanup_operations_ = this_op;
+        bool done = this_op->invoke(result);
+        if (!done)
+        {
+          // Operation has not finished yet, so leave at front of queue, and
+          // remove from the cleanup list.
+          cleanup_operations_ = this_op->next_;
+          this_op->next_ = i->second;
+          i->second = this_op;
+          return;
+        }
+        operations_.erase(i);
+      }
+    }
+  }
+
+  // Fill a descriptor set with the descriptors corresponding to each active
+  // operation.
+  template <typename Descriptor_Set>
+  void get_descriptors(Descriptor_Set& descriptors)
+  {
+    typename operation_map::iterator i = operations_.begin();
+    while (i != operations_.end())
+    {
+      descriptors.set(i->first);
+      ++i;
+    }
+  }
+
+  // Dispatch the operations corresponding to the ready file descriptors
+  // contained in the given descriptor set.
+  template <typename Descriptor_Set>
+  void dispatch_descriptors(const Descriptor_Set& descriptors, int result)
+  {
+    typename operation_map::iterator i = operations_.begin();
+    while (i != operations_.end())
+    {
+      typename operation_map::iterator op_iter = i++;
+      if (descriptors.is_set(op_iter->first))
+      {
+        op_base* this_op = op_iter->second;
+        op_iter->second = this_op->next_;
+        this_op->next_ = cleanup_operations_;
+        cleanup_operations_ = this_op;
+        bool done = this_op->invoke(result);
+        if (done)
+        {
+          if (!op_iter->second)
+            operations_.erase(op_iter);
+        }
+        else
+        {
+          // Operation has not finished yet, so leave at front of queue, and
+          // remove from the cleanup list.
+          cleanup_operations_ = this_op->next_;
+          this_op->next_ = op_iter->second;
+          op_iter->second = this_op;
+        }
+      }
+    }
+  }
+
+  // Dispatch any pending cancels for operations.
+  void dispatch_cancellations()
+  {
+    while (cancelled_operations_)
+    {
+      op_base* this_op = cancelled_operations_;
+      cancelled_operations_ = this_op->next_;
+      this_op->next_ = cleanup_operations_;
+      cleanup_operations_ = this_op;
+      this_op->invoke(asio::error::operation_aborted);
+    }
+  }
+
+  // Destroy operations that are waiting to be cleaned up.
+  void cleanup_operations()
+  {
+    while (cleanup_operations_)
+    {
+      op_base* next_op = cleanup_operations_->next_;
+      cleanup_operations_->next_ = 0;
+      cleanup_operations_->destroy();
+      cleanup_operations_ = next_op;
+    }
+  }
+
+  // Destroy all operations owned by the queue.
+  void destroy_operations()
+  {
+    while (cancelled_operations_)
+    {
+      op_base* next_op = cancelled_operations_->next_;
+      cancelled_operations_->next_ = 0;
+      cancelled_operations_->destroy();
+      cancelled_operations_ = next_op;
+    }
+
+    while (cleanup_operations_)
+    {
+      op_base* next_op = cleanup_operations_->next_;
+      cleanup_operations_->next_ = 0;
+      cleanup_operations_->destroy();
+      cleanup_operations_ = next_op;
+    }
+
+    typename operation_map::iterator i = operations_.begin();
+    while (i != operations_.end())
+    {
+      typename operation_map::iterator op_iter = i++;
+      op_base* curr_op = op_iter->second;
+      operations_.erase(op_iter);
+      while (curr_op)
+      {
+        op_base* next_op = curr_op->next_;
+        curr_op->next_ = 0;
+        curr_op->destroy();
+        curr_op = next_op;
+      }
+    }
+  }
+
+private:
+  // Base class for reactor operations. A function pointer is used instead of
+  // virtual functions to avoid the associated overhead.
+  class op_base
+  {
+  public:
+    // Get the descriptor associated with the operation.
+    Descriptor descriptor() const
+    {
+      return descriptor_;
+    }
+
+    // Perform the operation.
+    bool invoke(int result)
+    {
+      return invoke_func_(this, result);
+    }
+
+    // Destroy the operation.
+    void destroy()
+    {
+      return destroy_func_(this);
+    }
+
+  protected:
+    typedef bool (*invoke_func_type)(op_base*, int);
+    typedef void (*destroy_func_type)(op_base*);
+
+    // Construct an operation for the given descriptor.
+    op_base(invoke_func_type invoke_func,
+        destroy_func_type destroy_func, Descriptor descriptor)
+      : invoke_func_(invoke_func),
+        destroy_func_(destroy_func),
+        descriptor_(descriptor),
+        next_(0)
+    {
+    }
+
+    // Prevent deletion through this type.
+    ~op_base()
+    {
+    }
+
+  private:
+    friend class reactor_op_queue<Descriptor>;
+
+    // The function to be called to dispatch the handler.
+    invoke_func_type invoke_func_;
+
+    // The function to be called to delete the handler.
+    destroy_func_type destroy_func_;
+
+    // The descriptor associated with the operation.
+    Descriptor descriptor_;
+
+    // The next operation for the same file descriptor.
+    op_base* next_;
+  };
+
+  // Adaptor class template for using handlers in operations.
+  template <typename Handler>
+  class op
+    : public op_base
+  {
+  public:
+    // Constructor.
+    op(Descriptor descriptor, Handler handler)
+      : op_base(&op<Handler>::invoke_handler,
+          &op<Handler>::destroy_handler, descriptor),
+        handler_(handler)
+    {
+    }
+
+    // Invoke the handler.
+    static bool invoke_handler(op_base* base, int result)
+    {
+      return static_cast<op<Handler>*>(base)->handler_(result);
+    }
+
+    // Delete the handler.
+    static void destroy_handler(op_base* base)
+    {
+      delete static_cast<op<Handler>*>(base);
+    }
+
+  private:
+    Handler handler_;
+  };
+
+  // The type for a map of operations.
+  typedef hash_map<Descriptor, op_base*> operation_map;
+
+  // The operations that are currently executing asynchronously.
+  operation_map operations_;
+
+  // The list of operations that have been cancelled.
+  op_base* cancelled_operations_;
+
+  // The list of operations to be destroyed.
+  op_base* cleanup_operations_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_REACTOR_OP_QUEUE_HPP

library/include/libtorrent/asio/detail/resolver_service.hpp

@@ -0,0 +1,361 @@
+//
+// resolver_service.hpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_RESOLVER_SERVICE_HPP
+#define ASIO_DETAIL_RESOLVER_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstring>
+#include <boost/scoped_ptr.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/error.hpp"
+#include "asio/io_service.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/mutex.hpp"
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/thread.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Protocol>
+class resolver_service
+  : public asio::io_service::service
+{
+private:
+  // Helper class to perform exception-safe cleanup of addrinfo objects.
+  class auto_addrinfo
+    : private asio::detail::noncopyable
+  {
+  public:
+    explicit auto_addrinfo(asio::detail::addrinfo_type* ai)
+      : ai_(ai)
+    {
+    }
+
+    ~auto_addrinfo()
+    {
+      if (ai_)
+        socket_ops::freeaddrinfo(ai_);
+    }
+
+    operator asio::detail::addrinfo_type*()
+    {
+      return ai_;
+    }
+
+  private:
+    asio::detail::addrinfo_type* ai_;
+  };
+
+public:
+  // The implementation type of the resolver. The shared pointer is used as a
+  // cancellation token to indicate to the background thread that the operation
+  // has been cancelled.
+  typedef boost::shared_ptr<void> implementation_type;
+  struct noop_deleter { void operator()(void*) {} };
+
+  // The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  // The query type.
+  typedef typename Protocol::resolver_query query_type;
+
+  // The iterator type.
+  typedef typename Protocol::resolver_iterator iterator_type;
+
+  // Constructor.
+  resolver_service(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      mutex_(),
+      work_io_service_(new asio::io_service),
+      work_(new asio::io_service::work(*work_io_service_)),
+      work_thread_(0)
+  {
+  }
+
+  // Destructor.
+  ~resolver_service()
+  {
+    shutdown_service();
+  }
+
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+    work_.reset();
+    if (work_io_service_)
+    {
+      work_io_service_->interrupt();
+      if (work_thread_)
+      {
+        work_thread_->join();
+        work_thread_.reset();
+      }
+      work_io_service_.reset();
+    }
+  }
+
+  // Construct a new resolver implementation.
+  void construct(implementation_type& impl)
+  {
+    impl.reset(static_cast<void*>(0), noop_deleter());
+  }
+
+  // Destroy a resolver implementation.
+  void destroy(implementation_type&)
+  {
+  }
+
+  // Cancel pending asynchronous operations.
+  void cancel(implementation_type& impl)
+  {
+    impl.reset(static_cast<void*>(0), noop_deleter());
+  }
+
+  // Resolve a query to a list of entries.
+  template <typename Error_Handler>
+  iterator_type resolve(implementation_type&, const query_type& query,
+      Error_Handler error_handler)
+  {
+    asio::detail::addrinfo_type* address_info = 0;
+    std::string host_name = query.host_name();
+    std::string service_name = query.service_name();
+    asio::detail::addrinfo_type hints = query.hints();
+
+    int result = socket_ops::getaddrinfo(
+        host_name.length() ? host_name.c_str() : 0,
+        service_name.c_str(), &hints, &address_info);
+    auto_addrinfo auto_address_info(address_info);
+
+    error_handler(asio::error(result));
+    if (result != 0)
+      return iterator_type();
+    return iterator_type::create(address_info, host_name, service_name);
+  }
+
+  template <typename Handler>
+  class resolve_query_handler
+  {
+  public:
+    resolve_query_handler(implementation_type impl, const query_type& query,
+        asio::io_service& io_service, Handler handler)
+      : impl_(impl),
+        query_(query),
+        io_service_(io_service),
+        work_(io_service),
+        handler_(handler)
+    {
+    }
+
+    void operator()()
+    {
+      // Check if the operation has been cancelled.
+      if (impl_.expired())
+      {
+        iterator_type iterator;
+        io_service_.post(asio::detail::bind_handler(handler_,
+              asio::error(asio::error::operation_aborted),
+              iterator));
+        return;
+      }
+
+      // Perform the blocking host resolution operation.
+      asio::detail::addrinfo_type* address_info = 0;
+      std::string host_name = query_.host_name();
+      std::string service_name = query_.service_name();
+      asio::detail::addrinfo_type hints = query_.hints();
+      int result = socket_ops::getaddrinfo(
+          host_name.length() ? host_name.c_str() : 0,
+          service_name.c_str(), &hints, &address_info);
+      auto_addrinfo auto_address_info(address_info);
+
+      // Invoke the handler and pass the result.
+      asio::error e(result);
+      iterator_type iterator;
+      if (result == 0)
+        iterator = iterator_type::create(address_info, host_name, service_name);
+      io_service_.post(asio::detail::bind_handler(
+            handler_, e, iterator));
+    }
+
+  private:
+    boost::weak_ptr<void> impl_;
+    query_type query_;
+    asio::io_service& io_service_;
+    asio::io_service::work work_;
+    Handler handler_;
+  };
+
+  // Asynchronously resolve a query to a list of entries.
+  template <typename Handler>
+  void async_resolve(implementation_type& impl, const query_type& query,
+      Handler handler)
+  {
+    if (work_io_service_)
+    {
+      start_work_thread();
+      work_io_service_->post(
+          resolve_query_handler<Handler>(
+            impl, query, io_service(), handler));
+    }
+  }
+
+  // Resolve an endpoint to a list of entries.
+  template <typename Error_Handler>
+  iterator_type resolve(implementation_type&,
+      const endpoint_type& endpoint, Error_Handler error_handler)
+  {
+    // First try resolving with the service name. If that fails try resolving
+    // but allow the service to be returned as a number.
+    char host_name[NI_MAXHOST];
+    char service_name[NI_MAXSERV];
+    int flags = endpoint.protocol().type() == SOCK_DGRAM ? NI_DGRAM : 0;
+    int result = socket_ops::getnameinfo(endpoint.data(), endpoint.size(),
+        host_name, NI_MAXHOST, service_name, NI_MAXSERV, flags);
+    if (result)
+    {
+      flags |= NI_NUMERICSERV;
+      result = socket_ops::getnameinfo(endpoint.data(), endpoint.size(),
+          host_name, NI_MAXHOST, service_name, NI_MAXSERV, flags);
+    }
+
+    error_handler(asio::error(result));
+    if (result != 0)
+      return iterator_type();
+    return iterator_type::create(endpoint, host_name, service_name);
+  }
+
+  template <typename Handler>
+  class resolve_endpoint_handler
+  {
+  public:
+    resolve_endpoint_handler(implementation_type impl,
+        const endpoint_type& endpoint, asio::io_service& io_service,
+        Handler handler)
+      : impl_(impl),
+        endpoint_(endpoint),
+        io_service_(io_service),
+        work_(io_service),
+        handler_(handler)
+    {
+    }
+
+    void operator()()
+    {
+      // Check if the operation has been cancelled.
+      if (impl_.expired())
+      {
+        iterator_type iterator;
+        io_service_.post(asio::detail::bind_handler(handler_,
+              asio::error(asio::error::operation_aborted),
+              iterator));
+        return;
+      }
+
+
+      // First try resolving with the service name. If that fails try resolving
+      // but allow the service to be returned as a number.
+      char host_name[NI_MAXHOST];
+      char service_name[NI_MAXSERV];
+      int flags = endpoint_.protocol().type() == SOCK_DGRAM ? NI_DGRAM : 0;
+      int result = socket_ops::getnameinfo(endpoint_.data(), endpoint_.size(),
+          host_name, NI_MAXHOST, service_name, NI_MAXSERV, flags);
+      if (result)
+      {
+        flags |= NI_NUMERICSERV;
+        result = socket_ops::getnameinfo(endpoint_.data(), endpoint_.size(),
+            host_name, NI_MAXHOST, service_name, NI_MAXSERV, flags);
+      }
+
+      // Invoke the handler and pass the result.
+      asio::error e(result);
+      iterator_type iterator;
+      if (result == 0)
+        iterator = iterator_type::create(endpoint_, host_name, service_name);
+      io_service_.post(asio::detail::bind_handler(
+            handler_, e, iterator));
+    }
+
+  private:
+    boost::weak_ptr<void> impl_;
+    endpoint_type endpoint_;
+    asio::io_service& io_service_;
+    asio::io_service::work work_;
+    Handler handler_;
+  };
+
+  // Asynchronously resolve an endpoint to a list of entries.
+  template <typename Handler>
+  void async_resolve(implementation_type& impl, const endpoint_type& endpoint,
+      Handler handler)
+  {
+    if (work_io_service_)
+    {
+      start_work_thread();
+      work_io_service_->post(
+          resolve_endpoint_handler<Handler>(
+            impl, endpoint, io_service(), handler));
+    }
+  }
+
+private:
+  // Helper class to run the work io_service in a thread.
+  class work_io_service_runner
+  {
+  public:
+    work_io_service_runner(asio::io_service& io_service)
+      : io_service_(io_service) {}
+    void operator()() { io_service_.run(); }
+  private:
+    asio::io_service& io_service_;
+  };
+
+  // Start the work thread if it's not already running.
+  void start_work_thread()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (work_thread_ == 0)
+    {
+      work_thread_.reset(new asio::detail::thread(
+            work_io_service_runner(*work_io_service_)));
+    }
+  }
+
+  // Mutex to protect access to internal data.
+  asio::detail::mutex mutex_;
+
+  // Private io_service used for performing asynchronous host resolution.
+  boost::scoped_ptr<asio::io_service> work_io_service_;
+
+  // Work for the private io_service to perform.
+  boost::scoped_ptr<asio::io_service::work> work_;
+
+  // Thread used for running the work io_service's run loop.
+  boost::scoped_ptr<asio::detail::thread> work_thread_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_RESOLVER_SERVICE_HPP

library/include/libtorrent/asio/detail/scoped_lock.hpp

@@ -0,0 +1,79 @@
+//
+// scoped_lock.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SCOPED_LOCK_HPP
+#define ASIO_DETAIL_SCOPED_LOCK_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+// Helper class to lock and unlock a mutex automatically.
+template <typename Mutex>
+class scoped_lock
+  : private noncopyable
+{
+public:
+  // Constructor acquires the lock.
+  scoped_lock(Mutex& m)
+    : mutex_(m)
+  {
+    mutex_.lock();
+    locked_ = true;
+  }
+
+  // Destructor releases the lock.
+  ~scoped_lock()
+  {
+    if (locked_)
+      mutex_.unlock();
+  }
+
+  // Explicitly acquire the lock.
+  void lock()
+  {
+    if (!locked_)
+    {
+      mutex_.lock();
+      locked_ = true;
+    }
+  }
+
+  // Explicitly release the lock.
+  void unlock()
+  {
+    if (locked_)
+    {
+      mutex_.unlock();
+      locked_ = false;
+    }
+  }
+
+private:
+  // The underlying mutex.
+  Mutex& mutex_;
+
+  // Whether the mutex is currently locked or unlocked.
+  bool locked_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SCOPED_LOCK_HPP

library/include/libtorrent/asio/detail/select_interrupter.hpp

@@ -0,0 +1,41 @@
+//
+// select_interrupter.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SELECT_INTERRUPTER_HPP
+#define ASIO_DETAIL_SELECT_INTERRUPTER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/pipe_select_interrupter.hpp"
+#include "asio/detail/socket_select_interrupter.hpp"
+
+namespace asio {
+namespace detail {
+
+#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+typedef socket_select_interrupter select_interrupter;
+#else
+typedef pipe_select_interrupter select_interrupter;
+#endif
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SELECT_INTERRUPTER_HPP

library/include/libtorrent/asio/detail/select_reactor.hpp

@@ -0,0 +1,435 @@
+//
+// select_reactor.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SELECT_REACTOR_HPP
+#define ASIO_DETAIL_SELECT_REACTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/socket_types.hpp" // Must come before posix_time.
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include <vector>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/fd_set_adapter.hpp"
+#include "asio/detail/mutex.hpp"
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/task_io_service.hpp"
+#include "asio/detail/thread.hpp"
+#include "asio/detail/reactor_op_queue.hpp"
+#include "asio/detail/select_interrupter.hpp"
+#include "asio/detail/select_reactor_fwd.hpp"
+#include "asio/detail/signal_blocker.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/timer_queue.hpp"
+
+namespace asio {
+namespace detail {
+
+template <bool Own_Thread>
+class select_reactor
+  : public asio::io_service::service
+{
+public:
+  // Constructor.
+  select_reactor(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      mutex_(),
+      select_in_progress_(false),
+      interrupter_(),
+      read_op_queue_(),
+      write_op_queue_(),
+      except_op_queue_(),
+      pending_cancellations_(),
+      stop_thread_(false),
+      thread_(0),
+      shutdown_(false)
+  {
+    if (Own_Thread)
+    {
+      asio::detail::signal_blocker sb;
+      thread_ = new asio::detail::thread(
+          bind_handler(&select_reactor::call_run_thread, this));
+    }
+  }
+
+  // Destructor.
+  ~select_reactor()
+  {
+    shutdown_service();
+  }
+
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    shutdown_ = true;
+    stop_thread_ = true;
+    lock.unlock();
+
+    if (thread_)
+    {
+      interrupter_.interrupt();
+      thread_->join();
+      delete thread_;
+      thread_ = 0;
+    }
+
+    read_op_queue_.destroy_operations();
+    write_op_queue_.destroy_operations();
+    except_op_queue_.destroy_operations();
+
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      timer_queues_[i]->destroy_timers();
+    timer_queues_.clear();
+  }
+
+  // Register a socket with the reactor. Returns 0 on success, system error
+  // code on failure.
+  int register_descriptor(socket_type descriptor)
+  {
+    return 0;
+  }
+
+  // Start a new read operation. The handler object will be invoked when the
+  // given descriptor is ready to be read, or an error has occurred.
+  template <typename Handler>
+  void start_read_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (!shutdown_)
+      if (read_op_queue_.enqueue_operation(descriptor, handler))
+        interrupter_.interrupt();
+  }
+
+  // Start a new write operation. The handler object will be invoked when the
+  // given descriptor is ready to be written, or an error has occurred.
+  template <typename Handler>
+  void start_write_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (!shutdown_)
+      if (write_op_queue_.enqueue_operation(descriptor, handler))
+        interrupter_.interrupt();
+  }
+
+  // Start a new exception operation. The handler object will be invoked when
+  // the given descriptor has exception information, or an error has occurred.
+  template <typename Handler>
+  void start_except_op(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (!shutdown_)
+      if (except_op_queue_.enqueue_operation(descriptor, handler))
+        interrupter_.interrupt();
+  }
+
+  // Start new write and exception operations. The handler object will be
+  // invoked when the given descriptor is ready for writing or has exception
+  // information available, or an error has occurred.
+  template <typename Handler>
+  void start_write_and_except_ops(socket_type descriptor, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (!shutdown_)
+    {
+      bool interrupt = write_op_queue_.enqueue_operation(descriptor, handler);
+      interrupt = except_op_queue_.enqueue_operation(descriptor, handler)
+        || interrupt;
+      if (interrupt)
+        interrupter_.interrupt();
+    }
+  }
+
+  // Cancel all operations associated with the given descriptor. The
+  // handlers associated with the descriptor will be invoked with the
+  // operation_aborted error.
+  void cancel_ops(socket_type descriptor)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    cancel_ops_unlocked(descriptor);
+  }
+
+  // Enqueue cancellation of all operations associated with the given
+  // descriptor. The handlers associated with the descriptor will be invoked
+  // with the operation_aborted error. This function does not acquire the
+  // select_reactor's mutex, and so should only be used from within a reactor
+  // handler.
+  void enqueue_cancel_ops_unlocked(socket_type descriptor)
+  {
+    pending_cancellations_.push_back(descriptor);
+  }
+
+  // Cancel any operations that are running against the descriptor and remove
+  // its registration from the reactor.
+  void close_descriptor(socket_type descriptor)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    cancel_ops_unlocked(descriptor);
+  }
+
+  // Add a new timer queue to the reactor.
+  template <typename Time_Traits>
+  void add_timer_queue(timer_queue<Time_Traits>& timer_queue)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    timer_queues_.push_back(&timer_queue);
+  }
+
+  // Schedule a timer in the given timer queue to expire at the specified
+  // absolute time. The handler object will be invoked when the timer expires.
+  template <typename Time_Traits, typename Handler>
+  void schedule_timer(timer_queue<Time_Traits>& timer_queue,
+      const typename Time_Traits::time_type& time, Handler handler, void* token)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (!shutdown_)
+      if (timer_queue.enqueue_timer(time, handler, token))
+        interrupter_.interrupt();
+  }
+
+  // Cancel the timer associated with the given token. Returns the number of
+  // handlers that have been posted or dispatched.
+  template <typename Time_Traits>
+  std::size_t cancel_timer(timer_queue<Time_Traits>& timer_queue, void* token)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    return timer_queue.cancel_timer(token);
+  }
+
+private:
+  friend class task_io_service<select_reactor<Own_Thread> >;
+
+  // Run select once until interrupted or events are ready to be dispatched.
+  void run(bool block)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // Dispatch any operation cancellations that were made while the select
+    // loop was not running.
+    read_op_queue_.dispatch_cancellations();
+    write_op_queue_.dispatch_cancellations();
+    except_op_queue_.dispatch_cancellations();
+
+    // Check if the thread is supposed to stop.
+    if (stop_thread_)
+    {
+      // Clean up operations. We must not hold the lock since the operations may
+      // make calls back into this reactor.
+      lock.unlock();
+      read_op_queue_.cleanup_operations();
+      write_op_queue_.cleanup_operations();
+      except_op_queue_.cleanup_operations();
+      return;
+    }
+
+    // We can return immediately if there's no work to do and the reactor is
+    // not supposed to block.
+    if (!block && read_op_queue_.empty() && write_op_queue_.empty()
+        && except_op_queue_.empty() && all_timer_queues_are_empty())
+    {
+      // Clean up operations. We must not hold the lock since the operations may
+      // make calls back into this reactor.
+      lock.unlock();
+      read_op_queue_.cleanup_operations();
+      write_op_queue_.cleanup_operations();
+      except_op_queue_.cleanup_operations();
+      return;
+    }
+
+    // Set up the descriptor sets.
+    fd_set_adapter read_fds;
+    read_fds.set(interrupter_.read_descriptor());
+    read_op_queue_.get_descriptors(read_fds);
+    fd_set_adapter write_fds;
+    write_op_queue_.get_descriptors(write_fds);
+    fd_set_adapter except_fds;
+    except_op_queue_.get_descriptors(except_fds);
+    socket_type max_fd = read_fds.max_descriptor();
+    if (write_fds.max_descriptor() > max_fd)
+      max_fd = write_fds.max_descriptor();
+    if (except_fds.max_descriptor() > max_fd)
+      max_fd = except_fds.max_descriptor();
+
+    // Block on the select call without holding the lock so that new
+    // operations can be started while the call is executing.
+    timeval tv_buf = { 0, 0 };
+    timeval* tv = block ? get_timeout(tv_buf) : &tv_buf;
+    select_in_progress_ = true;
+    lock.unlock();
+    int retval = socket_ops::select(static_cast<int>(max_fd + 1),
+        read_fds, write_fds, except_fds, tv);
+    lock.lock();
+    select_in_progress_ = false;
+
+    // Block signals while dispatching operations.
+    asio::detail::signal_blocker sb;
+
+    // Reset the interrupter.
+    if (retval > 0 && read_fds.is_set(interrupter_.read_descriptor()))
+      interrupter_.reset();
+
+    // Dispatch all ready operations.
+    if (retval > 0)
+    {
+      // Exception operations must be processed first to ensure that any
+      // out-of-band data is read before normal data.
+      except_op_queue_.dispatch_descriptors(except_fds, 0);
+      read_op_queue_.dispatch_descriptors(read_fds, 0);
+      write_op_queue_.dispatch_descriptors(write_fds, 0);
+      except_op_queue_.dispatch_cancellations();
+      read_op_queue_.dispatch_cancellations();
+      write_op_queue_.dispatch_cancellations();
+    }
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      timer_queues_[i]->dispatch_timers();
+
+    // Issue any pending cancellations.
+    for (size_t i = 0; i < pending_cancellations_.size(); ++i)
+      cancel_ops_unlocked(pending_cancellations_[i]);
+    pending_cancellations_.clear();
+
+    // Clean up operations. We must not hold the lock since the operations may
+    // make calls back into this reactor.
+    lock.unlock();
+    read_op_queue_.cleanup_operations();
+    write_op_queue_.cleanup_operations();
+    except_op_queue_.cleanup_operations();
+  }
+
+  // Run the select loop in the thread.
+  void run_thread()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    while (!stop_thread_)
+    {
+      lock.unlock();
+      run(true);
+      lock.lock();
+    }
+  }
+
+  // Entry point for the select loop thread.
+  static void call_run_thread(select_reactor* reactor)
+  {
+    reactor->run_thread();
+  }
+
+  // Interrupt the select loop.
+  void interrupt()
+  {
+    interrupter_.interrupt();
+  }
+
+  // Check if all timer queues are empty.
+  bool all_timer_queues_are_empty() const
+  {
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+      if (!timer_queues_[i]->empty())
+        return false;
+    return true;
+  }
+
+  // Get the timeout value for the select call.
+  timeval* get_timeout(timeval& tv)
+  {
+    if (all_timer_queues_are_empty())
+      return 0;
+
+    // By default we will wait no longer than 5 minutes. This will ensure that
+    // any changes to the system clock are detected after no longer than this.
+    boost::posix_time::time_duration minimum_wait_duration
+      = boost::posix_time::minutes(5);
+
+    for (std::size_t i = 0; i < timer_queues_.size(); ++i)
+    {
+      boost::posix_time::time_duration wait_duration
+        = timer_queues_[i]->wait_duration();
+      if (wait_duration < minimum_wait_duration)
+        minimum_wait_duration = wait_duration;
+    }
+
+    if (minimum_wait_duration > boost::posix_time::time_duration())
+    {
+      tv.tv_sec = minimum_wait_duration.total_seconds();
+      tv.tv_usec = minimum_wait_duration.total_microseconds() % 1000000;
+    }
+    else
+    {
+      tv.tv_sec = 0;
+      tv.tv_usec = 0;
+    }
+
+    return &tv;
+  }
+
+  // Cancel all operations associated with the given descriptor. The do_cancel
+  // function of the handler objects will be invoked. This function does not
+  // acquire the select_reactor's mutex.
+  void cancel_ops_unlocked(socket_type descriptor)
+  {
+    bool interrupt = read_op_queue_.cancel_operations(descriptor);
+    interrupt = write_op_queue_.cancel_operations(descriptor) || interrupt;
+    interrupt = except_op_queue_.cancel_operations(descriptor) || interrupt;
+    if (interrupt)
+      interrupter_.interrupt();
+  }
+
+  // Mutex to protect access to internal data.
+  asio::detail::mutex mutex_;
+
+  // Whether the select loop is currently running or not.
+  bool select_in_progress_;
+
+  // The interrupter is used to break a blocking select call.
+  select_interrupter interrupter_;
+
+  // The queue of read operations.
+  reactor_op_queue<socket_type> read_op_queue_;
+
+  // The queue of write operations.
+  reactor_op_queue<socket_type> write_op_queue_;
+
+  // The queue of exception operations.
+  reactor_op_queue<socket_type> except_op_queue_;
+
+  // The timer queues.
+  std::vector<timer_queue_base*> timer_queues_;
+
+  // The descriptors that are pending cancellation.
+  std::vector<socket_type> pending_cancellations_;
+
+  // Does the reactor loop thread need to stop.
+  bool stop_thread_;
+
+  // The thread that is running the reactor loop.
+  asio::detail::thread* thread_;
+
+  // Whether the service has been shut down.
+  bool shutdown_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SELECT_REACTOR_HPP

library/include/libtorrent/asio/detail/select_reactor_fwd.hpp

@@ -0,0 +1,31 @@
+//
+// select_reactor_fwd.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SELECT_REACTOR_FWD_HPP
+#define ASIO_DETAIL_SELECT_REACTOR_FWD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <bool Own_Thread>
+class select_reactor;
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SELECT_REACTOR_FWD_HPP

library/include/libtorrent/asio/detail/service_registry.hpp

@@ -0,0 +1,163 @@
+//
+// service_registry.hpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SERVICE_REGISTRY_HPP
+#define ASIO_DETAIL_SERVICE_REGISTRY_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <memory>
+#include <typeinfo>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/mutex.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Owner>
+class service_registry
+  : private noncopyable
+{
+public:
+  // Constructor.
+  service_registry(Owner& o)
+    : owner_(o),
+      first_service_(0)
+  {
+  }
+
+  // Destructor.
+  ~service_registry()
+  {
+    // Shutdown all services. This must be done in a separate loop before the
+    // services are destroyed since the destructors of user-defined handler
+    // objects may try to access other service objects.
+    typename Owner::service* service = first_service_;
+    while (service)
+    {
+      service->shutdown_service();
+      service = service->next_;
+    }
+
+    // Destroy all services.
+    while (first_service_)
+    {
+      typename Owner::service* next_service = first_service_->next_;
+      delete first_service_;
+      first_service_ = next_service;
+    }
+  }
+
+  // Get the service object corresponding to the specified service type. Will
+  // create a new service object automatically if no such object already
+  // exists. Ownership of the service object is not transferred to the caller.
+  template <typename Service>
+  Service& use_service()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // First see if there is an existing service object for the given type.
+    typename Owner::service* service = first_service_;
+    while (service)
+    {
+      if (*service->type_info_ == typeid(Service))
+        return *static_cast<Service*>(service);
+      service = service->next_;
+    }
+
+    // Create a new service object. The service registry's mutex is not locked
+    // at this time to allow for nested calls into this function from the new
+    // service's constructor.
+    lock.unlock();
+    std::auto_ptr<Service> new_service(new Service(owner_));
+    new_service->type_info_ = &typeid(Service);
+    Service& new_service_ref = *new_service;
+    lock.lock();
+
+    // Check that nobody else created another service object of the same type
+    // while the lock was released.
+    service = first_service_;
+    while (service)
+    {
+      if (*service->type_info_ == typeid(Service))
+        return *static_cast<Service*>(service);
+      service = service->next_;
+    }
+
+    // Service was successfully initialised, pass ownership to registry.
+    new_service->next_ = first_service_;
+    first_service_ = new_service.release();
+
+    return new_service_ref;
+  }
+
+  // Add a service object. Returns false on error, in which case ownership of
+  // the object is retained by the caller.
+  template <typename Service>
+  bool add_service(Service* new_service)
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // Check if there is an existing service object for the given type.
+    typename Owner::service* service = first_service_;
+    while (service)
+    {
+      if (*service->type_info_ == typeid(Service))
+        return false;
+      service = service->next_;
+    }
+
+    // Take ownership of the service object.
+    new_service->type_info_ = &typeid(Service);
+    new_service->next_ = first_service_;
+    first_service_ = new_service;
+  }
+
+  // Check whether a service object of the specified type already exists.
+  template <typename Service>
+  bool has_service() const
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    typename Owner::service* service = first_service_;
+    while (service)
+    {
+      if (*service->type_info_ == typeid(Service))
+        return true;
+      service = service->next_;
+    }
+
+    return false;
+  }
+
+private:
+  // Mutex to protect access to internal data.
+  mutable asio::detail::mutex mutex_;
+
+  // The owner of this service registry and the services it contains.
+  Owner& owner_;
+
+  // The first service in the list of contained services.
+  typename Owner::service* first_service_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SERVICE_REGISTRY_HPP

library/include/libtorrent/asio/detail/signal_blocker.hpp

@@ -0,0 +1,50 @@
+//
+// signal_blocker.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SIGNAL_BLOCKER_HPP
+#define ASIO_DETAIL_SIGNAL_BLOCKER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+# include "asio/detail/null_signal_blocker.hpp"
+#elif defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+# include "asio/detail/win_signal_blocker.hpp"
+#elif defined(BOOST_HAS_PTHREADS)
+# include "asio/detail/posix_signal_blocker.hpp"
+#else
+# error Only Windows and POSIX are supported!
+#endif
+
+namespace asio {
+namespace detail {
+
+#if !defined(BOOST_HAS_THREADS)
+typedef null_signal_blocker signal_blocker;
+#elif defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+typedef win_signal_blocker signal_blocker;
+#elif defined(BOOST_HAS_PTHREADS)
+typedef posix_signal_blocker signal_blocker;
+#endif
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SIGNAL_BLOCKER_HPP

library/include/libtorrent/asio/detail/signal_init.hpp

@@ -0,0 +1,51 @@
+//
+// signal_init.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SIGNAL_INIT_HPP
+#define ASIO_DETAIL_SIGNAL_INIT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+#include "asio/detail/push_options.hpp"
+#include <csignal>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <int Signal = SIGPIPE>
+class signal_init
+{
+public:
+  // Constructor.
+  signal_init()
+  {
+    std::signal(Signal, SIG_IGN);
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SIGNAL_INIT_HPP

library/include/libtorrent/asio/detail/socket_holder.hpp

@@ -0,0 +1,91 @@
+//
+// socket_holder.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SOCKET_HOLDER_HPP
+#define ASIO_DETAIL_SOCKET_HOLDER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/socket_ops.hpp"
+
+namespace asio {
+namespace detail {
+
+// Implement the resource acquisition is initialisation idiom for sockets.
+class socket_holder
+  : private noncopyable
+{
+public:
+  // Construct as an uninitialised socket.
+  socket_holder()
+    : socket_(invalid_socket)
+  {
+  }
+
+  // Construct to take ownership of the specified socket.
+  explicit socket_holder(socket_type s)
+    : socket_(s)
+  {
+  }
+
+  // Destructor.
+  ~socket_holder()
+  {
+    if (socket_ != invalid_socket)
+      socket_ops::close(socket_);
+  }
+
+  // Get the underlying socket.
+  socket_type get() const
+  {
+    return socket_;
+  }
+
+  // Reset to an uninitialised socket.
+  void reset()
+  {
+    if (socket_ != invalid_socket)
+    {
+      socket_ops::close(socket_);
+      socket_ = invalid_socket;
+    }
+  }
+
+  // Reset to take ownership of the specified socket.
+  void reset(socket_type s)
+  {
+    reset();
+    socket_ = s;
+  }
+
+  // Release ownership of the socket.
+  socket_type release()
+  {
+    socket_type tmp = socket_;
+    socket_ = invalid_socket;
+    return tmp;
+  }
+
+private:
+  // The underlying socket.
+  socket_type socket_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SOCKET_HOLDER_HPP

library/include/libtorrent/asio/detail/socket_option.hpp

@@ -0,0 +1,323 @@
+//
+// socket_option.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SOCKET_OPTION_HPP
+#define ASIO_DETAIL_SOCKET_OPTION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/socket_types.hpp"
+
+namespace asio {
+namespace detail {
+namespace socket_option {
+
+// Helper template for implementing boolean-based options.
+template <int Level, int Name>
+class boolean
+{
+public:
+  // Default constructor.
+  boolean()
+    : value_(0)
+  {
+  }
+
+  // Construct with a specific option value.
+  boolean(bool value)
+    : value_(value ? 1 : 0)
+  {
+  }
+
+  // Set the value of the boolean.
+  void set(bool value)
+  {
+    value_ = value ? 1 : 0;
+  }
+
+  // Get the current value of the boolean.
+  bool get() const
+  {
+    return value_;
+  }
+
+  // Get the level of the socket option.
+  template <typename Protocol>
+  int level(const Protocol&) const
+  {
+    return Level;
+  }
+
+  // Get the name of the socket option.
+  template <typename Protocol>
+  int name(const Protocol&) const
+  {
+    return Name;
+  }
+
+  // Get the address of the boolean data.
+  template <typename Protocol>
+  int* data(const Protocol&)
+  {
+    return &value_;
+  }
+
+  // Get the address of the boolean data.
+  template <typename Protocol>
+  const int* data(const Protocol&) const
+  {
+    return &value_;
+  }
+
+  // Get the size of the boolean data.
+  template <typename Protocol>
+  std::size_t size(const Protocol&) const
+  {
+    return sizeof(value_);
+  }
+
+private:
+  int value_;
+};
+
+// Helper template for implementing integer options.
+template <int Level, int Name>
+class integer
+{
+public:
+  // Default constructor.
+  integer()
+    : value_(0)
+  {
+  }
+
+  // Construct with a specific option value.
+  integer(int value)
+    : value_(value)
+  {
+  }
+
+  // Set the value of the int option.
+  void set(int value)
+  {
+    value_ = value;
+  }
+
+  // Get the current value of the int option.
+  int get() const
+  {
+    return value_;
+  }
+
+  // Get the level of the socket option.
+  template <typename Protocol>
+  int level(const Protocol&) const
+  {
+    return Level;
+  }
+
+  // Get the name of the socket option.
+  template <typename Protocol>
+  int name(const Protocol&) const
+  {
+    return Name;
+  }
+
+  // Get the address of the int data.
+  template <typename Protocol>
+  int* data(const Protocol&)
+  {
+    return &value_;
+  }
+
+  // Get the address of the int data.
+  template <typename Protocol>
+  const int* data(const Protocol&) const
+  {
+    return &value_;
+  }
+
+  // Get the size of the int data.
+  template <typename Protocol>
+  std::size_t size(const Protocol&) const
+  {
+    return sizeof(value_);
+  }
+
+private:
+  int value_;
+};
+
+// Helper template for implementing unsigned integer options.
+template <int Level, int Name>
+class unsigned_integer
+{
+public:
+  // Default constructor.
+  unsigned_integer()
+    : value_(0)
+  {
+  }
+
+  // Construct with a specific option value.
+  unsigned_integer(unsigned int value)
+    : value_(value)
+  {
+  }
+
+  // Set the value of the int option.
+  void set(unsigned int value)
+  {
+    value_ = value;
+  }
+
+  // Get the current value of the int option.
+  unsigned int get() const
+  {
+    return value_;
+  }
+
+  // Get the level of the socket option.
+  template <typename Protocol>
+  int level(const Protocol&) const
+  {
+    return Level;
+  }
+
+  // Get the name of the socket option.
+  template <typename Protocol>
+  int name(const Protocol&) const
+  {
+    return Name;
+  }
+
+  // Get the address of the int data.
+  template <typename Protocol>
+  unsigned int* data(const Protocol&)
+  {
+    return &value_;
+  }
+
+  // Get the address of the int data.
+  template <typename Protocol>
+  const unsigned int* data(const Protocol&) const
+  {
+    return &value_;
+  }
+
+  // Get the size of the int data.
+  template <typename Protocol>
+  std::size_t size(const Protocol&) const
+  {
+    return sizeof(value_);
+  }
+
+private:
+  unsigned int value_;
+};
+
+// Helper template for implementing linger options.
+template <int Level, int Name>
+class linger
+{
+public:
+  // Default constructor.
+  linger()
+  {
+    value_.l_onoff = 0;
+    value_.l_linger = 0;
+  }
+
+  // Construct with specific option values.
+  linger(bool value, unsigned short timeout)
+  {
+    value_.l_onoff = value ? 1 : 0;
+    value_.l_linger = timeout;
+  }
+
+  // Set the value for whether linger is enabled.
+  void enabled(bool value)
+  {
+    value_.l_onoff = value ? 1 : 0;
+  }
+
+  // Get the value for whether linger is enabled.
+  bool enabled() const
+  {
+    return value_.l_onoff != 0;
+  }
+
+  // Set the value for the linger timeout.
+  void timeout(unsigned short value)
+  {
+    value_.l_linger = value;
+  }
+
+  // Get the value for the linger timeout.
+  unsigned short timeout() const
+  {
+    return value_.l_linger;
+  }
+
+  // Get the level of the socket option.
+  template <typename Protocol>
+  int level(const Protocol&) const
+  {
+    return Level;
+  }
+
+  // Get the name of the socket option.
+  template <typename Protocol>
+  int name(const Protocol&) const
+  {
+    return Name;
+  }
+
+  // Get the address of the linger data.
+  template <typename Protocol>
+  ::linger* data(const Protocol&)
+  {
+    return &value_;
+  }
+
+  // Get the address of the linger data.
+  template <typename Protocol>
+  const ::linger* data(const Protocol&) const
+  {
+    return &value_;
+  }
+
+  // Get the size of the linger data.
+  template <typename Protocol>
+  std::size_t size(const Protocol&) const
+  {
+    return sizeof(value_);
+  }
+
+private:
+  ::linger value_;
+};
+
+} // namespace socket_option
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SOCKET_OPTION_HPP

library/include/libtorrent/asio/detail/socket_select_interrupter.hpp

@@ -0,0 +1,177 @@
+//
+// socket_select_interrupter.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP
+#define ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/throw_exception.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/error.hpp"
+#include "asio/detail/socket_holder.hpp"
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/socket_types.hpp"
+
+namespace asio {
+namespace detail {
+
+class socket_select_interrupter
+{
+public:
+  // Constructor.
+  socket_select_interrupter()
+  {
+    socket_holder acceptor(socket_ops::socket(AF_INET, SOCK_STREAM,
+          IPPROTO_TCP));
+    if (acceptor.get() == invalid_socket)
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    int opt = 1;
+    socket_ops::setsockopt(acceptor.get(),
+        SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
+
+    sockaddr_in4_type addr;
+    socket_addr_len_type addr_len = sizeof(addr);
+    addr.sin_family = AF_INET;
+    addr.sin_addr.s_addr = inet_addr("127.0.0.1");
+    addr.sin_port = 0;
+    if (socket_ops::bind(acceptor.get(), (const socket_addr_type*)&addr,
+          addr_len) == socket_error_retval)
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    if (getsockname(acceptor.get(), (socket_addr_type*)&addr, &addr_len)
+        == socket_error_retval)
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    if (socket_ops::listen(acceptor.get(), SOMAXCONN) == socket_error_retval)
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    socket_holder client(socket_ops::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP));
+    if (client.get() == invalid_socket)
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    if (socket_ops::connect(client.get(), (const socket_addr_type*)&addr,
+          addr_len) == socket_error_retval)
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    socket_holder server(socket_ops::accept(acceptor.get(), 0, 0));
+    if (server.get() == invalid_socket)
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+    
+    ioctl_arg_type non_blocking = 1;
+    if (socket_ops::ioctl(client.get(), FIONBIO, &non_blocking))
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    opt = 1;
+    socket_ops::setsockopt(client.get(),
+        IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt));
+
+    non_blocking = 1;
+    if (socket_ops::ioctl(server.get(), FIONBIO, &non_blocking))
+    {
+      asio::error e(socket_ops::get_error());
+      boost::throw_exception(e);
+    }
+
+    opt = 1;
+    socket_ops::setsockopt(server.get(),
+        IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt));
+
+    read_descriptor_ = server.release();
+    write_descriptor_ = client.release();
+  }
+
+  // Destructor.
+  ~socket_select_interrupter()
+  {
+    if (read_descriptor_ != invalid_socket)
+      socket_ops::close(read_descriptor_);
+    if (write_descriptor_ != invalid_socket)
+      socket_ops::close(write_descriptor_);
+  }
+
+  // Interrupt the select call.
+  void interrupt()
+  {
+    char byte = 0;
+    socket_ops::buf b;
+    socket_ops::init_buf(b, &byte, 1);
+    socket_ops::send(write_descriptor_, &b, 1, 0);
+  }
+
+  // Reset the select interrupt. Returns true if the call was interrupted.
+  bool reset()
+  {
+    char data[1024];
+    socket_ops::buf b;
+    socket_ops::init_buf(b, data, sizeof(data));
+    int bytes_read = socket_ops::recv(read_descriptor_, &b, 1, 0);
+    bool was_interrupted = (bytes_read > 0);
+    while (bytes_read == sizeof(data))
+      bytes_read = socket_ops::recv(read_descriptor_, &b, 1, 0);
+    return was_interrupted;
+  }
+
+  // Get the read descriptor to be passed to select.
+  socket_type read_descriptor() const
+  {
+    return read_descriptor_;
+  }
+
+private:
+  // The read end of a connection used to interrupt the select call. This file
+  // descriptor is passed to select such that when it is time to stop, a single
+  // byte will be written on the other end of the connection and this
+  // descriptor will become readable.
+  socket_type read_descriptor_;
+
+  // The write end of a connection used to interrupt the select call. A single
+  // byte may be written to this to wake up the select which is waiting for the
+  // other end to become readable.
+  socket_type write_descriptor_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP

library/include/libtorrent/asio/detail/socket_types.hpp

@@ -0,0 +1,184 @@
+//
+// socket_types.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_SOCKET_TYPES_HPP
+#define ASIO_DETAIL_SOCKET_TYPES_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+# if defined(_WINSOCKAPI_) && !defined(_WINSOCK2API_)
+#  error WinSock.h has already been included
+# endif // defined(_WINSOCKAPI_) && !defined(_WINSOCK2API_)
+# if !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
+#  if defined(_MSC_VER) || defined(__BORLANDC__)
+#   pragma message("Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately")
+#   pragma message("Assuming _WIN32_WINNT=0x0500 (i.e. Windows 2000 target)")
+#  else // defined(_MSC_VER) || defined(__BORLANDC__)
+#   warning Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately
+#   warning Assuming _WIN32_WINNT=0x0500 (i.e. Windows 2000 target)
+#  endif // defined(_MSC_VER) || defined(__BORLANDC__)
+#  define _WIN32_WINNT 0x0500
+# endif // !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
+# if defined(_MSC_VER)
+#  if defined(_WIN32) && !defined(WIN32)
+#   if !defined(_WINSOCK2API_)
+#    define WIN32 // Needed for correct types in winsock2.h
+#   else // !defined(_WINSOCK2API_)
+#    error Please define the macro WIN32 in your compiler options
+#   endif // !defined(_WINSOCK2API_)
+#  endif // defined(_WIN32) && !defined(WIN32)
+# endif // defined(_MSC_VER)
+# if defined(__BORLANDC__)
+#  include <stdlib.h> // Needed for __errno
+#  if defined(__WIN32__) && !defined(WIN32)
+#   if !defined(_WINSOCK2API_)
+#    define WIN32 // Needed for correct types in winsock2.h
+#   else // !defined(_WINSOCK2API_)
+#    error Please define the macro WIN32 in your compiler options
+#   endif // !defined(_WINSOCK2API_)
+#  endif // defined(__WIN32__) && !defined(WIN32)
+#  if !defined(_WSPIAPI_H_)
+#   define _WSPIAPI_H_
+#   define ASIO_WSPIAPI_H_DEFINED
+#  endif // !defined(_WSPIAPI_H_)
+# endif // defined(__BORLANDC__)
+# if !defined(ASIO_NO_WIN32_LEAN_AND_MEAN)
+#  if !defined(WIN32_LEAN_AND_MEAN)
+#   define WIN32_LEAN_AND_MEAN
+#  endif // !defined(WIN32_LEAN_AND_MEAN)
+# endif // !defined(ASIO_NO_WIN32_LEAN_AND_MEAN)
+# if defined(__CYGWIN__)
+#  if !defined(__USE_W32_SOCKETS)
+#   error You must add -D__USE_W32_SOCKETS to your compiler options.
+#  endif // !defined(__USE_W32_SOCKETS)
+#  if !defined(NOMINMAX)
+#   define NOMINMAX 1
+#  endif // !defined(NOMINMAX)
+# endif // defined(__CYGWIN__)
+# include <winsock2.h>
+# include <ws2tcpip.h>
+# include <mswsock.h>
+# if defined(ASIO_WSPIAPI_H_DEFINED)
+#  undef _WSPIAPI_H_
+#  undef ASIO_WSPIAPI_H_DEFINED
+# endif // defined(ASIO_WSPIAPI_H_DEFINED)
+# if !defined(ASIO_NO_DEFAULT_LINKED_LIBS)
+#  if defined(_MSC_VER) || defined(__BORLANDC__)
+#   pragma comment(lib, "ws2_32.lib")
+#   pragma comment(lib, "mswsock.lib")
+#  endif // defined(_MSC_VER) || defined(__BORLANDC__)
+# endif // !defined(ASIO_NO_DEFAULT_LINKED_LIBS)
+# include "asio/detail/old_win_sdk_compat.hpp"
+#else
+# include <sys/ioctl.h>
+# include <sys/poll.h>
+# include <sys/types.h>
+# include <sys/select.h>
+# include <sys/socket.h>
+# include <sys/uio.h>
+# include <netinet/in.h>
+# include <netinet/tcp.h>
+# include <arpa/inet.h>
+# include <netdb.h>
+# include <net/if.h>
+# if defined(__sun)
+#  include <sys/filio.h>
+# endif
+#endif
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+namespace detail {
+
+#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
+typedef SOCKET socket_type;
+const SOCKET invalid_socket = INVALID_SOCKET;
+const int socket_error_retval = SOCKET_ERROR;
+const int max_addr_v4_str_len = 256;
+const int max_addr_v6_str_len = 256;
+typedef sockaddr socket_addr_type;
+typedef int socket_addr_len_type;
+typedef in_addr in4_addr_type;
+typedef ip_mreq in4_mreq_type;
+typedef sockaddr_in sockaddr_in4_type;
+# if defined(ASIO_HAS_OLD_WIN_SDK)
+typedef in6_addr_emulation in6_addr_type;
+typedef ipv6_mreq_emulation in6_mreq_type;
+typedef sockaddr_in6_emulation sockaddr_in6_type;
+typedef sockaddr_storage_emulation sockaddr_storage_type;
+typedef addrinfo_emulation addrinfo_type;
+# else
+typedef in6_addr in6_addr_type;
+typedef ipv6_mreq in6_mreq_type;
+typedef sockaddr_in6 sockaddr_in6_type;
+typedef sockaddr_storage sockaddr_storage_type;
+typedef addrinfo addrinfo_type;
+# endif
+typedef unsigned long ioctl_arg_type;
+typedef u_long u_long_type;
+typedef u_short u_short_type;
+const int shutdown_receive = SD_RECEIVE;
+const int shutdown_send = SD_SEND;
+const int shutdown_both = SD_BOTH;
+const int message_peek = MSG_PEEK;
+const int message_out_of_band = MSG_OOB;
+const int message_do_not_route = MSG_DONTROUTE;
+#else
+typedef int socket_type;
+const int invalid_socket = -1;
+const int socket_error_retval = -1;
+const int max_addr_v4_str_len = INET_ADDRSTRLEN;
+const int max_addr_v6_str_len = INET6_ADDRSTRLEN + 1 + IF_NAMESIZE;
+typedef sockaddr socket_addr_type;
+typedef socklen_t socket_addr_len_type;
+typedef in_addr in4_addr_type;
+typedef ip_mreq in4_mreq_type;
+typedef sockaddr_in sockaddr_in4_type;
+typedef in6_addr in6_addr_type;
+typedef ipv6_mreq in6_mreq_type;
+typedef sockaddr_in6 sockaddr_in6_type;
+typedef sockaddr_storage sockaddr_storage_type;
+typedef addrinfo addrinfo_type;
+typedef int ioctl_arg_type;
+typedef uint32_t u_long_type;
+typedef uint16_t u_short_type;
+const int shutdown_receive = SHUT_RD;
+const int shutdown_send = SHUT_WR;
+const int shutdown_both = SHUT_RDWR;
+const int message_peek = MSG_PEEK;
+const int message_out_of_band = MSG_OOB;
+const int message_do_not_route = MSG_DONTROUTE;
+#endif
+const int custom_socket_option_level = 0xA5100000;
+const int enable_connection_aborted_option = 1;
+
+#if defined(_WIN64)
+std::size_t hash_value(SOCKET s)
+{
+  return static_cast<std::size_t>(s);
+}
+#endif // defined(_WIN64)
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_SOCKET_TYPES_HPP

library/include/libtorrent/asio/detail/strand_service.hpp

@@ -0,0 +1,528 @@
+//
+// strand_service.hpp
+// ~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_STRAND_SERVICE_HPP
+#define ASIO_DETAIL_STRAND_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/aligned_storage.hpp>
+#include <boost/assert.hpp>
+#include <boost/intrusive_ptr.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/call_stack.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/mutex.hpp"
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+// Default service implementation for a strand.
+class strand_service
+  : public asio::io_service::service
+{
+public:
+  class handler_base;
+  class invoke_current_handler;
+  class post_next_waiter_on_exit;
+
+  // The underlying implementation of a strand.
+  class strand_impl
+  {
+#if defined (__BORLANDC__)
+  public:
+#else
+  private:
+#endif
+    void add_ref()
+    {
+      asio::detail::mutex::scoped_lock lock(mutex_);
+      ++ref_count_;
+    }
+
+    void release()
+    {
+      asio::detail::mutex::scoped_lock lock(mutex_);
+      --ref_count_;
+      if (ref_count_ == 0)
+      {
+        lock.unlock();
+        delete this;
+      }
+    }
+
+  private:
+    // Only this service will have access to the internal values.
+    friend class strand_service;
+    friend class post_next_waiter_on_exit;
+    friend class invoke_current_handler;
+
+    strand_impl(strand_service& owner)
+      : owner_(owner),
+        current_handler_(0),
+        first_waiter_(0),
+        last_waiter_(0),
+        ref_count_(0)
+    {
+      // Insert implementation into linked list of all implementations.
+      asio::detail::mutex::scoped_lock lock(owner_.mutex_);
+      next_ = owner_.impl_list_;
+      prev_ = 0;
+      if (owner_.impl_list_)
+        owner_.impl_list_->prev_ = this;
+      owner_.impl_list_ = this;
+    }
+
+    ~strand_impl()
+    {
+      // Remove implementation from linked list of all implementations.
+      asio::detail::mutex::scoped_lock lock(owner_.mutex_);
+      if (owner_.impl_list_ == this)
+        owner_.impl_list_ = next_;
+      if (prev_)
+        prev_->next_ = next_;
+      if (next_)
+        next_->prev_= prev_;
+      next_ = 0;
+      prev_ = 0;
+      lock.unlock();
+
+      if (current_handler_)
+      {
+        current_handler_->destroy();
+      }
+
+      while (first_waiter_)
+      {
+        handler_base* next = first_waiter_->next_;
+        first_waiter_->destroy();
+        first_waiter_ = next;
+      }
+    }
+
+    // Mutex to protect access to internal data.
+    asio::detail::mutex mutex_;
+
+    // The service that owns this implementation.
+    strand_service& owner_;
+
+    // The handler that is ready to execute. If this pointer is non-null then it
+    // indicates that a handler holds the lock.
+    handler_base* current_handler_;
+
+    // The start of the list of waiting handlers for the strand.
+    handler_base* first_waiter_;
+    
+    // The end of the list of waiting handlers for the strand.
+    handler_base* last_waiter_;
+
+    // Storage for posted handlers.
+    typedef boost::aligned_storage<64> handler_storage_type;
+#if defined(__BORLANDC__)
+    boost::aligned_storage<64> handler_storage_;
+#else
+    handler_storage_type handler_storage_;
+#endif
+
+    // Pointers to adjacent socket implementations in linked list.
+    strand_impl* next_;
+    strand_impl* prev_;
+
+    // The reference count on the strand implementation.
+    size_t ref_count_;
+
+#if !defined(__BORLANDC__)
+    friend void intrusive_ptr_add_ref(strand_impl* p)
+    {
+      p->add_ref();
+    }
+
+    friend void intrusive_ptr_release(strand_impl* p)
+    {
+      p->release();
+    }
+#endif
+  };
+
+  friend class strand_impl;
+
+  typedef boost::intrusive_ptr<strand_impl> implementation_type;
+
+  // Base class for all handler types.
+  class handler_base
+  {
+  public:
+    typedef void (*invoke_func_type)(handler_base*,
+        strand_service&, implementation_type&);
+    typedef void (*destroy_func_type)(handler_base*);
+
+    handler_base(invoke_func_type invoke_func, destroy_func_type destroy_func)
+      : next_(0),
+        invoke_func_(invoke_func),
+        destroy_func_(destroy_func)
+    {
+    }
+
+    void invoke(strand_service& service_impl, implementation_type& impl)
+    {
+      invoke_func_(this, service_impl, impl);
+    }
+
+    void destroy()
+    {
+      destroy_func_(this);
+    }
+
+  protected:
+    ~handler_base()
+    {
+    }
+
+  private:
+    friend class strand_service;
+    friend class strand_impl;
+    friend class post_next_waiter_on_exit;
+    handler_base* next_;
+    invoke_func_type invoke_func_;
+    destroy_func_type destroy_func_;
+  };
+
+  // Helper class to allow handlers to be dispatched.
+  class invoke_current_handler
+  {
+  public:
+    invoke_current_handler(strand_service& service_impl,
+        const implementation_type& impl)
+      : service_impl_(service_impl),
+        impl_(impl)
+    {
+    }
+
+    void operator()()
+    {
+      impl_->current_handler_->invoke(service_impl_, impl_);
+    }
+
+    friend void* asio_handler_allocate(std::size_t size,
+        invoke_current_handler* this_handler)
+    {
+      return this_handler->do_handler_allocate(size);
+    }
+
+    friend void asio_handler_deallocate(void*, std::size_t,
+        invoke_current_handler*)
+    {
+    }
+
+    void* do_handler_allocate(std::size_t size)
+    {
+#if defined(__BORLANDC__)
+      BOOST_ASSERT(size <= boost::aligned_storage<64>::size);
+#else
+      BOOST_ASSERT(size <= strand_impl::handler_storage_type::size);
+#endif
+      return impl_->handler_storage_.address();
+    }
+
+    template <typename Function>
+    friend void asio_handler_invoke(Function function,
+        invoke_current_handler*)
+    {
+      function();
+    }
+
+  private:
+    strand_service& service_impl_;
+    implementation_type impl_;
+  };
+
+  // Helper class to automatically enqueue next waiter on block exit.
+  class post_next_waiter_on_exit
+  {
+  public:
+    post_next_waiter_on_exit(strand_service& service_impl,
+        implementation_type& impl)
+      : service_impl_(service_impl),
+        impl_(impl),
+        cancelled_(false)
+    {
+    }
+
+    ~post_next_waiter_on_exit()
+    {
+      if (!cancelled_)
+      {
+        asio::detail::mutex::scoped_lock lock(impl_->mutex_);
+        impl_->current_handler_ = impl_->first_waiter_;
+        if (impl_->current_handler_)
+        {
+          impl_->first_waiter_ = impl_->first_waiter_->next_;
+          if (impl_->first_waiter_ == 0)
+            impl_->last_waiter_ = 0;
+          lock.unlock();
+          service_impl_.io_service().post(
+              invoke_current_handler(service_impl_, impl_));
+        }
+      }
+    }
+
+    void cancel()
+    {
+      cancelled_ = true;
+    }
+
+  private:
+    strand_service& service_impl_;
+    implementation_type& impl_;
+    bool cancelled_;
+  };
+
+  // Class template for a waiter.
+  template <typename Handler>
+  class handler_wrapper
+    : public handler_base
+  {
+  public:
+    handler_wrapper(Handler handler)
+      : handler_base(&handler_wrapper<Handler>::do_invoke,
+          &handler_wrapper<Handler>::do_destroy),
+        handler_(handler)
+    {
+    }
+
+    static void do_invoke(handler_base* base,
+        strand_service& service_impl, implementation_type& impl)
+    {
+      // Take ownership of the handler object.
+      typedef handler_wrapper<Handler> this_type;
+      this_type* h(static_cast<this_type*>(base));
+      typedef handler_alloc_traits<Handler, this_type> alloc_traits;
+      handler_ptr<alloc_traits> ptr(h->handler_, h);
+
+      post_next_waiter_on_exit p1(service_impl, impl);
+
+      // Make a copy of the handler so that the memory can be deallocated before
+      // the upcall is made.
+      Handler handler(h->handler_);
+
+      // A handler object must still be valid when the next waiter is posted
+      // since destroying the last handler might cause the strand object to be
+      // destroyed. Therefore we create a second post_next_waiter_on_exit object
+      // that will be destroyed before the handler object.
+      p1.cancel();
+      post_next_waiter_on_exit p2(service_impl, impl);
+
+      // Free the memory associated with the handler.
+      ptr.reset();
+
+      // Indicate that this strand is executing on the current thread.
+      call_stack<strand_impl>::context ctx(impl.get());
+
+      // Make the upcall.
+      asio_handler_invoke_helpers::invoke(handler, &handler);
+    }
+
+    static void do_destroy(handler_base* base)
+    {
+      // Take ownership of the handler object.
+      typedef handler_wrapper<Handler> this_type;
+      this_type* h(static_cast<this_type*>(base));
+      typedef handler_alloc_traits<Handler, this_type> alloc_traits;
+      handler_ptr<alloc_traits> ptr(h->handler_, h);
+    }
+
+  private:
+    Handler handler_;
+  };
+
+  // Construct a new strand service for the specified io_service.
+  explicit strand_service(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      mutex_(),
+      impl_list_(0)
+  {
+  }
+
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+    // Construct a list of all handlers to be destroyed.
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    strand_impl* impl = impl_list_;
+    handler_base* first_handler = 0;
+    while (impl)
+    {
+      if (impl->current_handler_)
+      {
+        impl->current_handler_->next_ = first_handler;
+        first_handler = impl->current_handler_;
+        impl->current_handler_ = 0;
+      }
+      if (impl->first_waiter_)
+      {
+        impl->last_waiter_->next_ = first_handler;
+        first_handler = impl->first_waiter_;
+        impl->first_waiter_ = 0;
+        impl->last_waiter_ = 0;
+      }
+      impl = impl->next_;
+    }
+
+    // Destroy all handlers without holding the lock.
+    lock.unlock();
+    while (first_handler)
+    {
+      handler_base* next = first_handler->next_;
+      first_handler->destroy();
+      first_handler = next;
+    }
+  }
+
+  // Construct a new strand implementation.
+  void construct(implementation_type& impl)
+  {
+    impl = implementation_type(new strand_impl(*this));
+  }
+
+  // Destroy a strand implementation.
+  void destroy(implementation_type& impl)
+  {
+    implementation_type().swap(impl);
+  }
+
+  // Request the io_service to invoke the given handler.
+  template <typename Handler>
+  void dispatch(implementation_type& impl, Handler handler)
+  {
+    if (call_stack<strand_impl>::contains(impl.get()))
+    {
+      asio_handler_invoke_helpers::invoke(handler, &handler);
+    }
+    else
+    {
+      asio::detail::mutex::scoped_lock lock(impl->mutex_);
+
+      // Allocate and construct an object to wrap the handler.
+      typedef handler_wrapper<Handler> value_type;
+      typedef handler_alloc_traits<Handler, value_type> alloc_traits;
+      raw_handler_ptr<alloc_traits> raw_ptr(handler);
+      handler_ptr<alloc_traits> ptr(raw_ptr, handler);
+
+      if (impl->current_handler_ == 0)
+      {
+        // This handler now has the lock, so can be dispatched immediately.
+        impl->current_handler_ = ptr.get();
+        lock.unlock();
+        io_service().dispatch(invoke_current_handler(*this, impl));
+        ptr.release();
+      }
+      else
+      {
+        // Another handler already holds the lock, so this handler must join
+        // the list of waiters. The handler will be posted automatically when
+        // its turn comes.
+        if (impl->last_waiter_)
+        {
+          impl->last_waiter_->next_ = ptr.get();
+          impl->last_waiter_ = impl->last_waiter_->next_;
+        }
+        else
+        {
+          impl->first_waiter_ = ptr.get();
+          impl->last_waiter_ = ptr.get();
+        }
+        ptr.release();
+      }
+    }
+  }
+
+  // Request the io_service to invoke the given handler and return immediately.
+  template <typename Handler>
+  void post(implementation_type& impl, Handler handler)
+  {
+    asio::detail::mutex::scoped_lock lock(impl->mutex_);
+
+    // Allocate and construct an object to wrap the handler.
+    typedef handler_wrapper<Handler> value_type;
+    typedef handler_alloc_traits<Handler, value_type> alloc_traits;
+    raw_handler_ptr<alloc_traits> raw_ptr(handler);
+    handler_ptr<alloc_traits> ptr(raw_ptr, handler);
+
+    if (impl->current_handler_ == 0)
+    {
+      // This handler now has the lock, so can be dispatched immediately.
+      impl->current_handler_ = ptr.get();
+      lock.unlock();
+      io_service().post(invoke_current_handler(*this, impl));
+      ptr.release();
+    }
+    else
+    {
+      // Another handler already holds the lock, so this handler must join the
+      // list of waiters. The handler will be posted automatically when its turn
+      // comes.
+      if (impl->last_waiter_)
+      {
+        impl->last_waiter_->next_ = ptr.get();
+        impl->last_waiter_ = impl->last_waiter_->next_;
+      }
+      else
+      {
+        impl->first_waiter_ = ptr.get();
+        impl->last_waiter_ = ptr.get();
+      }
+      ptr.release();
+    }
+  }
+
+private:
+  // Mutex to protect access to the linked list of implementations. 
+  asio::detail::mutex mutex_;
+
+  // The head of a linked list of all implementations.
+  strand_impl* impl_list_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#if defined(__BORLANDC__)
+
+namespace boost {
+
+inline void intrusive_ptr_add_ref(
+    asio::detail::strand_service::strand_impl* p)
+{
+  p->add_ref();
+}
+
+inline void intrusive_ptr_release(
+    asio::detail::strand_service::strand_impl* p)
+{
+  p->release();
+}
+
+} // namespace boost
+
+#endif // defined(__BORLANDC__)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_STRAND_SERVICE_HPP

library/include/libtorrent/asio/detail/task_io_service.hpp

@@ -0,0 +1,526 @@
+//
+// task_io_service.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_TASK_IO_SERVICE_HPP
+#define ASIO_DETAIL_TASK_IO_SERVICE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/io_service.hpp"
+#include "asio/detail/call_stack.hpp"
+#include "asio/detail/event.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/mutex.hpp"
+#include "asio/detail/task_io_service_fwd.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Task>
+class task_io_service
+  : public asio::io_service::service
+{
+public:
+  // Constructor.
+  task_io_service(asio::io_service& io_service)
+    : asio::io_service::service(io_service),
+      mutex_(),
+      task_(use_service<Task>(io_service)),
+      outstanding_work_(0),
+      handler_queue_(&task_handler_),
+      handler_queue_end_(&task_handler_),
+      interrupted_(false),
+      shutdown_(false),
+      first_idle_thread_(0)
+  {
+  }
+
+  // Destroy all user-defined handler objects owned by the service.
+  void shutdown_service()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    shutdown_ = true;
+    lock.unlock();
+
+    // Destroy handler objects.
+    while (handler_queue_)
+    {
+      handler_base* h = handler_queue_;
+      handler_queue_ = h->next_;
+      if (h != &task_handler_)
+        h->destroy();
+    }
+
+    // Reset handler queue to initial state.
+    handler_queue_ = &task_handler_;
+    handler_queue_end_ = &task_handler_;
+  }
+
+  // Run the event loop until interrupted or no more work.
+  size_t run()
+  {
+    typename call_stack<task_io_service>::context ctx(this);
+
+    idle_thread_info this_idle_thread;
+    this_idle_thread.prev = &this_idle_thread;
+    this_idle_thread.next = &this_idle_thread;
+
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    size_t n = 0;
+    while (do_one(lock, &this_idle_thread))
+      if (n != (std::numeric_limits<size_t>::max)())
+        ++n;
+    return n;
+  }
+
+  // Run until interrupted or one operation is performed.
+  size_t run_one()
+  {
+    typename call_stack<task_io_service>::context ctx(this);
+
+    idle_thread_info this_idle_thread;
+    this_idle_thread.prev = &this_idle_thread;
+    this_idle_thread.next = &this_idle_thread;
+
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    return do_one(lock, &this_idle_thread);
+  }
+
+  // Poll for operations without blocking.
+  size_t poll()
+  {
+    typename call_stack<task_io_service>::context ctx(this);
+
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    size_t n = 0;
+    while (do_one(lock, 0))
+      if (n != (std::numeric_limits<size_t>::max)())
+        ++n;
+    return n;
+  }
+
+  // Poll for one operation without blocking.
+  size_t poll_one()
+  {
+    typename call_stack<task_io_service>::context ctx(this);
+
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    return do_one(lock, 0);
+  }
+
+  // Interrupt the event processing loop.
+  void interrupt()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    interrupt_all_threads();
+  }
+
+  // Reset in preparation for a subsequent run invocation.
+  void reset()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    interrupted_ = false;
+  }
+
+  // Notify that some work has started.
+  void work_started()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    ++outstanding_work_;
+  }
+
+  // Notify that some work has finished.
+  void work_finished()
+  {
+    asio::detail::mutex::scoped_lock lock(mutex_);
+    if (--outstanding_work_ == 0)
+      interrupt_all_threads();
+  }
+
+  // Request invocation of the given handler.
+  template <typename Handler>
+  void dispatch(Handler handler)
+  {
+    if (call_stack<task_io_service>::contains(this))
+      asio_handler_invoke_helpers::invoke(handler, &handler);
+    else
+      post(handler);
+  }
+
+  // Request invocation of the given handler and return immediately.
+  template <typename Handler>
+  void post(Handler handler)
+  {
+    // Allocate and construct an operation to wrap the handler.
+    typedef handler_wrapper<Handler> value_type;
+    typedef handler_alloc_traits<Handler, value_type> alloc_traits;
+    raw_handler_ptr<alloc_traits> raw_ptr(handler);
+    handler_ptr<alloc_traits> ptr(raw_ptr, handler);
+
+    asio::detail::mutex::scoped_lock lock(mutex_);
+
+    // If the service has been shut down we silently discard the handler.
+    if (shutdown_)
+      return;
+
+    // Add the handler to the end of the queue.
+    if (handler_queue_end_)
+    {
+      handler_queue_end_->next_ = ptr.get();
+      handler_queue_end_ = ptr.get();
+    }
+    else
+    {
+      handler_queue_ = handler_queue_end_ = ptr.get();
+    }
+    ptr.release();
+
+    // An undelivered handler is treated as unfinished work.
+    ++outstanding_work_;
+
+    // Wake up a thread to execute the handler.
+    if (!interrupt_one_idle_thread())
+      if (task_handler_.next_ == 0 && handler_queue_end_ != &task_handler_)
+        task_.interrupt();
+  }
+
+private:
+  struct idle_thread_info;
+
+  size_t do_one(asio::detail::mutex::scoped_lock& lock,
+      idle_thread_info* this_idle_thread)
+  {
+    if (outstanding_work_ == 0 && !interrupted_)
+    {
+      interrupt_all_threads();
+      return 0;
+    }
+
+    bool polling = !this_idle_thread;
+    bool task_has_run = false;
+    while (!interrupted_)
+    {
+      if (handler_queue_)
+      {
+        // Prepare to execute first handler from queue.
+        handler_base* h = handler_queue_;
+        handler_queue_ = h->next_;
+        if (handler_queue_ == 0)
+          handler_queue_end_ = 0;
+        bool more_handlers = (handler_queue_ != 0);
+        lock.unlock();
+
+        if (h == &task_handler_)
+        {
+          // If the task has already run and we're polling then we're done.
+          if (task_has_run && polling)
+            return 0;
+          task_has_run = true;
+          
+          task_cleanup c(lock, *this);
+
+          // Run the task. May throw an exception. Only block if the handler
+          // queue is empty and we have an idle_thread_info object, otherwise
+          // we want to return as soon as possible.
+          task_.run(!more_handlers && !polling);
+        }
+        else
+        {
+          handler_cleanup c(lock, *this);
+
+          // Invoke the handler. May throw an exception.
+          h->call(); // call() deletes the handler object
+
+          return 1;
+        }
+      }
+      else if (this_idle_thread)
+      {
+        // Nothing to run right now, so just wait for work to do.
+        if (first_idle_thread_)
+        {
+          this_idle_thread->next = first_idle_thread_;
+          this_idle_thread->prev = first_idle_thread_->prev;
+          first_idle_thread_->prev->next = this_idle_thread;
+          first_idle_thread_->prev = this_idle_thread;
+        }
+        first_idle_thread_ = this_idle_thread;
+        this_idle_thread->wakeup_event.clear();
+        lock.unlock();
+        this_idle_thread->wakeup_event.wait();
+        lock.lock();
+        if (this_idle_thread->next == this_idle_thread)
+        {
+          first_idle_thread_ = 0;
+        }
+        else
+        {
+          if (first_idle_thread_ == this_idle_thread)
+            first_idle_thread_ = this_idle_thread->next;
+          this_idle_thread->next->prev = this_idle_thread->prev;
+          this_idle_thread->prev->next = this_idle_thread->next;
+          this_idle_thread->next = this_idle_thread;
+          this_idle_thread->prev = this_idle_thread;
+        }
+      }
+      else
+      {
+        return 0;
+      }
+    }
+
+    return 0;
+  }
+
+  // Interrupt the task and all idle threads.
+  void interrupt_all_threads()
+  {
+    interrupted_ = true;
+    interrupt_all_idle_threads();
+    if (task_handler_.next_ == 0 && handler_queue_end_ != &task_handler_)
+      task_.interrupt();
+  }
+
+  // Interrupt a single idle thread. Returns true if a thread was interrupted,
+  // false if no running thread could be found to interrupt.
+  bool interrupt_one_idle_thread()
+  {
+    if (first_idle_thread_)
+    {
+      first_idle_thread_->wakeup_event.signal();
+      first_idle_thread_ = first_idle_thread_->next;
+      return true;
+    }
+    return false;
+  }
+
+  // Interrupt all idle threads.
+  void interrupt_all_idle_threads()
+  {
+    if (first_idle_thread_)
+    {
+      first_idle_thread_->wakeup_event.signal();
+      idle_thread_info* current_idle_thread = first_idle_thread_->next;
+      while (current_idle_thread != first_idle_thread_)
+      {
+        current_idle_thread->wakeup_event.signal();
+        current_idle_thread = current_idle_thread->next;
+      }
+    }
+  }
+
+  class task_cleanup;
+
+  // The base class for all handler wrappers. A function pointer is used
+  // instead of virtual functions to avoid the associated overhead.
+  class handler_base
+  {
+  public:
+    typedef void (*call_func_type)(handler_base*);
+    typedef void (*destroy_func_type)(handler_base*);
+
+    handler_base(call_func_type call_func, destroy_func_type destroy_func)
+      : next_(0),
+        call_func_(call_func),
+        destroy_func_(destroy_func)
+    {
+    }
+
+    void call()
+    {
+      call_func_(this);
+    }
+
+    void destroy()
+    {
+      destroy_func_(this);
+    }
+
+  protected:
+    // Prevent deletion through this type.
+    ~handler_base()
+    {
+    }
+
+  private:
+    friend class task_io_service<Task>;
+    friend class task_cleanup;
+    handler_base* next_;
+    call_func_type call_func_;
+    destroy_func_type destroy_func_;
+  };
+
+  // Template wrapper for handlers.
+  template <typename Handler>
+  class handler_wrapper
+    : public handler_base
+  {
+  public:
+    handler_wrapper(Handler handler)
+      : handler_base(&handler_wrapper<Handler>::do_call,
+          &handler_wrapper<Handler>::do_destroy),
+        handler_(handler)
+    {
+    }
+
+    static void do_call(handler_base* base)
+    {
+      // Take ownership of the handler object.
+      typedef handler_wrapper<Handler> this_type;
+      this_type* h(static_cast<this_type*>(base));
+      typedef handler_alloc_traits<Handler, this_type> alloc_traits;
+      handler_ptr<alloc_traits> ptr(h->handler_, h);
+
+      // Make a copy of the handler so that the memory can be deallocated before
+      // the upcall is made.
+      Handler handler(h->handler_);
+
+      // Free the memory associated with the handler.
+      ptr.reset();
+
+      // Make the upcall.
+      asio_handler_invoke_helpers::invoke(handler, &handler);
+    }
+
+    static void do_destroy(handler_base* base)
+    {
+      // Take ownership of the handler object.
+      typedef handler_wrapper<Handler> this_type;
+      this_type* h(static_cast<this_type*>(base));
+      typedef handler_alloc_traits<Handler, this_type> alloc_traits;
+      handler_ptr<alloc_traits> ptr(h->handler_, h);
+    }
+
+  private:
+    Handler handler_;
+  };
+
+  // Helper class to perform task-related operations on block exit.
+  class task_cleanup;
+  friend class task_cleanup;
+  class task_cleanup
+  {
+  public:
+    task_cleanup(asio::detail::mutex::scoped_lock& lock,
+        task_io_service& task_io_svc)
+      : lock_(lock),
+        task_io_service_(task_io_svc)
+    {
+    }
+
+    ~task_cleanup()
+    {
+      // Reinsert the task at the end of the handler queue.
+      lock_.lock();
+      task_io_service_.task_handler_.next_ = 0;
+      if (task_io_service_.handler_queue_end_)
+      {
+        task_io_service_.handler_queue_end_->next_
+          = &task_io_service_.task_handler_;
+        task_io_service_.handler_queue_end_
+          = &task_io_service_.task_handler_;
+      }
+      else
+      {
+        task_io_service_.handler_queue_
+          = task_io_service_.handler_queue_end_
+          = &task_io_service_.task_handler_;
+      }
+    }
+
+  private:
+    asio::detail::mutex::scoped_lock& lock_;
+    task_io_service& task_io_service_;
+  };
+
+  // Helper class to perform handler-related operations on block exit.
+  class handler_cleanup;
+  friend class handler_cleanup;
+  class handler_cleanup
+  {
+  public:
+    handler_cleanup(asio::detail::mutex::scoped_lock& lock,
+        task_io_service& task_io_svc)
+      : lock_(lock),
+        task_io_service_(task_io_svc)
+    {
+    }
+
+    ~handler_cleanup()
+    {
+      lock_.lock();
+      if (--task_io_service_.outstanding_work_ == 0)
+        task_io_service_.interrupt_all_threads();
+    }
+
+  private:
+    asio::detail::mutex::scoped_lock& lock_;
+    task_io_service& task_io_service_;
+  };
+
+  // Mutex to protect access to internal data.
+  asio::detail::mutex mutex_;
+
+  // The task to be run by this service.
+  Task& task_;
+
+  // Handler object to represent the position of the task in the queue.
+  class task_handler
+    : public handler_base
+  {
+  public:
+    task_handler()
+      : handler_base(0, 0)
+    {
+    }
+  } task_handler_;
+
+  // The count of unfinished work.
+  int outstanding_work_;
+
+  // The start of a linked list of handlers that are ready to be delivered.
+  handler_base* handler_queue_;
+
+  // The end of a linked list of handlers that are ready to be delivered.
+  handler_base* handler_queue_end_;
+
+  // Flag to indicate that the dispatcher has been interrupted.
+  bool interrupted_;
+
+  // Flag to indicate that the dispatcher has been shut down.
+  bool shutdown_;
+
+  // Structure containing information about an idle thread.
+  struct idle_thread_info
+  {
+    event wakeup_event;
+    idle_thread_info* prev;
+    idle_thread_info* next;
+  };
+
+  // The number of threads that are currently idle.
+  idle_thread_info* first_idle_thread_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_TASK_IO_SERVICE_HPP

library/include/libtorrent/asio/detail/task_io_service_fwd.hpp

@@ -0,0 +1,31 @@
+//
+// task_io_service_fwd.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_TASK_IO_SERVICE_FWD_HPP
+#define ASIO_DETAIL_TASK_IO_SERVICE_FWD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Task>
+class task_io_service;
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_TASK_IO_SERVICE_FWD_HPP

library/include/libtorrent/asio/detail/thread.hpp

@@ -0,0 +1,50 @@
+//
+// thread.hpp
+// ~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_THREAD_HPP
+#define ASIO_DETAIL_THREAD_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+# include "asio/detail/null_thread.hpp"
+#elif defined(BOOST_WINDOWS)
+# include "asio/detail/win_thread.hpp"
+#elif defined(BOOST_HAS_PTHREADS)
+# include "asio/detail/posix_thread.hpp"
+#else
+# error Only Windows and POSIX are supported!
+#endif
+
+namespace asio {
+namespace detail {
+
+#if !defined(BOOST_HAS_THREADS)
+typedef null_thread thread;
+#elif defined(BOOST_WINDOWS)
+typedef win_thread thread;
+#elif defined(BOOST_HAS_PTHREADS)
+typedef posix_thread thread;
+#endif
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_THREAD_HPP

library/include/libtorrent/asio/detail/timer_queue.hpp

@@ -0,0 +1,345 @@
+//
+// timer_queue.hpp
+// ~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_TIMER_QUEUE_HPP
+#define ASIO_DETAIL_TIMER_QUEUE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <cstddef>
+#include <functional>
+#include <limits>
+#include <memory>
+#include <vector>
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/error.hpp"
+#include "asio/detail/hash_map.hpp"
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/timer_queue_base.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename Time_Traits>
+class timer_queue
+  : public timer_queue_base
+{
+public:
+  // The time type.
+  typedef typename Time_Traits::time_type time_type;
+
+  // The duration type.
+  typedef typename Time_Traits::duration_type duration_type;
+
+  // Constructor.
+  timer_queue()
+    : timers_(),
+      heap_()
+  {
+  }
+
+  // Add a new timer to the queue. Returns true if this is the timer that is
+  // earliest in the queue, in which case the reactor's event demultiplexing
+  // function call may need to be interrupted and restarted.
+  template <typename Handler>
+  bool enqueue_timer(const time_type& time, Handler handler, void* token)
+  {
+    // Ensure that there is space for the timer in the heap. We reserve here so
+    // that the push_back below will not throw due to a reallocation failure.
+    heap_.reserve(heap_.size() + 1);
+
+    // Create a new timer object.
+    std::auto_ptr<timer<Handler> > new_timer(
+        new timer<Handler>(time, handler, token));
+
+    // Insert the new timer into the hash.
+    typedef typename hash_map<void*, timer_base*>::iterator iterator;
+    typedef typename hash_map<void*, timer_base*>::value_type value_type;
+    std::pair<iterator, bool> result =
+      timers_.insert(value_type(token, new_timer.get()));
+    if (!result.second)
+    {
+      result.first->second->prev_ = new_timer.get();
+      new_timer->next_ = result.first->second;
+      result.first->second = new_timer.get();
+    }
+
+    // Put the timer at the correct position in the heap.
+    new_timer->heap_index_ = heap_.size();
+    heap_.push_back(new_timer.get());
+    up_heap(heap_.size() - 1);
+    bool is_first = (heap_[0] == new_timer.get());
+
+    // Ownership of the timer is transferred to the timer queue.
+    new_timer.release();
+
+    return is_first;
+  }
+
+  // Whether there are no timers in the queue.
+  virtual bool empty() const
+  {
+    return heap_.empty();
+  }
+
+  // Get the time for the timer that is earliest in the queue.
+  virtual boost::posix_time::time_duration wait_duration() const
+  {
+    return Time_Traits::to_posix_duration(
+        Time_Traits::subtract(heap_[0]->time_, Time_Traits::now()));
+  }
+
+  // Dispatch the timers that are earlier than the specified time.
+  virtual void dispatch_timers()
+  {
+    const time_type now = Time_Traits::now();
+    while (!heap_.empty() && !Time_Traits::less_than(now, heap_[0]->time_))
+    {
+      timer_base* t = heap_[0];
+      remove_timer(t);
+      t->invoke(0);
+    }
+  }
+
+  // Cancel the timer with the given token. The handler will be invoked
+  // immediately with the result operation_aborted.
+  std::size_t cancel_timer(void* timer_token)
+  {
+    std::size_t num_cancelled = 0;
+    typedef typename hash_map<void*, timer_base*>::iterator iterator;
+    iterator it = timers_.find(timer_token);
+    if (it != timers_.end())
+    {
+      timer_base* t = it->second;
+      while (t)
+      {
+        timer_base* next = t->next_;
+        remove_timer(t);
+        t->invoke(asio::error::operation_aborted);
+        t = next;
+        ++num_cancelled;
+      }
+    }
+    return num_cancelled;
+  }
+
+  // Destroy all timers.
+  virtual void destroy_timers()
+  {
+    typename hash_map<void*, timer_base*>::iterator i = timers_.begin();
+    typename hash_map<void*, timer_base*>::iterator end = timers_.end();
+    while (i != end)
+    {
+      timer_base* t = i->second;
+      typename hash_map<void*, timer_base*>::iterator old_i = i++;
+      timers_.erase(old_i);
+      t->destroy();
+    }
+    heap_.clear();
+    timers_.clear();
+  }
+
+private:
+  // Base class for timer operations. Function pointers are used instead of
+  // virtual functions to avoid the associated overhead.
+  class timer_base
+  {
+  public:
+    // Perform the timer operation and then destroy.
+    void invoke(int result)
+    {
+      invoke_func_(this, result);
+    }
+
+    // Destroy the timer operation.
+    void destroy()
+    {
+      destroy_func_(this);
+    }
+
+  protected:
+    typedef void (*invoke_func_type)(timer_base*, int);
+    typedef void (*destroy_func_type)(timer_base*);
+
+    // Constructor.
+    timer_base(invoke_func_type invoke_func, destroy_func_type destroy_func,
+        const time_type& time, void* token)
+      : invoke_func_(invoke_func),
+        destroy_func_(destroy_func),
+        time_(time),
+        token_(token),
+        next_(0),
+        prev_(0),
+        heap_index_(
+            std::numeric_limits<size_t>::max BOOST_PREVENT_MACRO_SUBSTITUTION())
+    {
+    }
+
+    // Prevent deletion through this type.
+    ~timer_base()
+    {
+    }
+
+  private:
+    friend class timer_queue<Time_Traits>;
+
+    // The function to be called to dispatch the handler.
+    invoke_func_type invoke_func_;
+
+    // The function to be called to destroy the handler.
+    destroy_func_type destroy_func_;
+
+    // The time when the operation should fire.
+    time_type time_;
+
+    // The token associated with the timer.
+    void* token_;
+
+    // The next timer known to the queue.
+    timer_base* next_;
+
+    // The previous timer known to the queue.
+    timer_base* prev_;
+
+    // The index of the timer in the heap.
+    size_t heap_index_;
+  };
+
+  // Adaptor class template for using handlers in timers.
+  template <typename Handler>
+  class timer
+    : public timer_base
+  {
+  public:
+    // Constructor.
+    timer(const time_type& time, Handler handler, void* token)
+      : timer_base(&timer<Handler>::invoke_handler,
+          &timer<Handler>::destroy_handler, time, token),
+        handler_(handler)
+    {
+    }
+
+    // Invoke the handler and then destroy it.
+    static void invoke_handler(timer_base* base, int result)
+    {
+      std::auto_ptr<timer<Handler> > t(static_cast<timer<Handler>*>(base));
+      t->handler_(result);
+    }
+
+    // Destroy the handler.
+    static void destroy_handler(timer_base* base)
+    {
+      delete static_cast<timer<Handler>*>(base);
+    }
+
+  private:
+    Handler handler_;
+  };
+
+  // Move the item at the given index up the heap to its correct position.
+  void up_heap(size_t index)
+  {
+    size_t parent = (index - 1) / 2;
+    while (index > 0
+        && Time_Traits::less_than(heap_[index]->time_, heap_[parent]->time_))
+    {
+      swap_heap(index, parent);
+      index = parent;
+      parent = (index - 1) / 2;
+    }
+  }
+
+  // Move the item at the given index down the heap to its correct position.
+  void down_heap(size_t index)
+  {
+    size_t child = index * 2 + 1;
+    while (child < heap_.size())
+    {
+      size_t min_child = (child + 1 == heap_.size()
+          || Time_Traits::less_than(
+            heap_[child]->time_, heap_[child + 1]->time_))
+        ? child : child + 1;
+      if (Time_Traits::less_than(heap_[index]->time_, heap_[min_child]->time_))
+        break;
+      swap_heap(index, min_child);
+      index = min_child;
+      child = index * 2 + 1;
+    }
+  }
+
+  // Swap two entries in the heap.
+  void swap_heap(size_t index1, size_t index2)
+  {
+    timer_base* tmp = heap_[index1];
+    heap_[index1] = heap_[index2];
+    heap_[index2] = tmp;
+    heap_[index1]->heap_index_ = index1;
+    heap_[index2]->heap_index_ = index2;
+  }
+
+  // Remove a timer from the heap and list of timers.
+  void remove_timer(timer_base* t)
+  {
+    // Remove the timer from the heap.
+    size_t index = t->heap_index_;
+    if (!heap_.empty() && index < heap_.size())
+    {
+      if (index == heap_.size() - 1)
+      {
+        heap_.pop_back();
+      }
+      else
+      {
+        swap_heap(index, heap_.size() - 1);
+        heap_.pop_back();
+        size_t parent = (index - 1) / 2;
+        if (index > 0 && Time_Traits::less_than(t->time_, heap_[parent]->time_))
+          up_heap(index);
+        else
+          down_heap(index);
+      }
+    }
+
+    // Remove the timer from the hash.
+    typedef typename hash_map<void*, timer_base*>::iterator iterator;
+    iterator it = timers_.find(t->token_);
+    if (it != timers_.end())
+    {
+      if (it->second == t)
+        it->second = t->next_;
+      if (t->prev_)
+        t->prev_->next_ = t->next_;
+      if (t->next_)
+        t->next_->prev_ = t->prev_;
+      if (it->second == 0)
+        timers_.erase(it);
+    }
+  }
+
+  // A hash of timer token to linked lists of timers.
+  hash_map<void*, timer_base*> timers_;
+
+  // The heap of timers, with the earliest timer at the front.
+  std::vector<timer_base*> heap_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_TIMER_QUEUE_HPP

library/include/libtorrent/asio/detail/timer_queue_base.hpp

@@ -0,0 +1,56 @@
+//
+// timer_queue_base.hpp
+// ~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_TIMER_QUEUE_BASE_HPP
+#define ASIO_DETAIL_TIMER_QUEUE_BASE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/socket_types.hpp" // Must come before posix_time.
+
+#include "asio/detail/push_options.hpp"
+#include <boost/date_time/posix_time/posix_time_types.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/detail/noncopyable.hpp"
+
+namespace asio {
+namespace detail {
+
+class timer_queue_base
+  : private noncopyable
+{
+public:
+  // Destructor.
+  virtual ~timer_queue_base() {}
+
+  // Whether there are no timers in the queue.
+  virtual bool empty() const = 0;
+
+  // Get the time to wait until the next timer.
+  virtual boost::posix_time::time_duration wait_duration() const = 0;
+
+  // Dispatch all ready timers.
+  virtual void dispatch_timers() = 0;
+
+  // Destroy all timers.
+  virtual void destroy_timers() = 0;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_TIMER_QUEUE_BASE_HPP

library/include/libtorrent/asio/detail/tss_ptr.hpp

@@ -0,0 +1,65 @@
+//
+// tss_ptr.hpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_TSS_PTR_HPP
+#define ASIO_DETAIL_TSS_PTR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if !defined(BOOST_HAS_THREADS)
+# include "asio/detail/null_tss_ptr.hpp"
+#elif defined(BOOST_WINDOWS)
+# include "asio/detail/win_tss_ptr.hpp"
+#elif defined(BOOST_HAS_PTHREADS)
+# include "asio/detail/posix_tss_ptr.hpp"
+#else
+# error Only Windows and POSIX are supported!
+#endif
+
+namespace asio {
+namespace detail {
+
+template <typename T>
+class tss_ptr
+#if !defined(BOOST_HAS_THREADS)
+  : public null_tss_ptr<T>
+#elif defined(BOOST_WINDOWS)
+  : public win_tss_ptr<T>
+#elif defined(BOOST_HAS_PTHREADS)
+  : public posix_tss_ptr<T>
+#endif
+{
+public:
+  void operator=(T* value)
+  {
+#if !defined(BOOST_HAS_THREADS)
+    null_tss_ptr<T>::operator=(value);
+#elif defined(BOOST_WINDOWS)
+    win_tss_ptr<T>::operator=(value);
+#elif defined(BOOST_HAS_PTHREADS)
+    posix_tss_ptr<T>::operator=(value);
+#endif
+  }
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_TSS_PTR_HPP

library/include/libtorrent/asio/detail/win_event.hpp

@@ -0,0 +1,88 @@
+//
+// win_event.hpp
+// ~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2006 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_WIN_EVENT_HPP
+#define ASIO_DETAIL_WIN_EVENT_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/push_options.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/config.hpp>
+#include "asio/detail/pop_options.hpp"
+
+#if defined(BOOST_WINDOWS)
+
+#include "asio/system_exception.hpp"
+#include "asio/detail/noncopyable.hpp"
+#include "asio/detail/socket_types.hpp"
+
+#include "asio/detail/push_options.hpp"
+#include <boost/throw_exception.hpp>
+#include "asio/detail/pop_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class win_event
+  : private noncopyable
+{
+public:
+  // Constructor.
+  win_event()
+    : event_(::CreateEvent(0, true, false, 0))
+  {
+    if (!event_)
+    {
+      DWORD last_error = ::GetLastError();
+      system_exception e("event", last_error);
+      boost::throw_exception(e);
+    }
+  }
+
+  // Destructor.
+  ~win_event()
+  {
+    ::CloseHandle(event_);
+  }
+
+  // Signal the event.
+  void signal()
+  {
+    ::SetEvent(event_);
+  }
+
+  // Reset the event.
+  void clear()
+  {
+    ::ResetEvent(event_);
+  }
+
+  // Wait for the event to become signalled.
+  void wait()
+  {
+    ::WaitForSingleObject(event_, INFINITE);
+  }
+
+private:
+  HANDLE event_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(BOOST_WINDOWS)
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_WIN_EVENT_HPP