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ffa8cb668f
* Add a LibAudio, and move WAV file parsing there (via AWavFile and AWavLoader) * Add CLocalSocket, and CSocket::connect() variant for local address types. We make some small use of this in WindowServer (as that's where we modelled it from), but don't get too invasive as this PR is already quite large, and the WS I/O is a bit carefully done * Add an AClientConnection which will eventually be used to talk to AudioServer (and make use of it in Piano, though right now it really doesn't do anything except connect, using our new CLocalSocket...)
114 lines
3 KiB
C++
114 lines
3 KiB
C++
#include <LibCore/CNotifier.h>
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#include <LibCore/CSocket.h>
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#include <arpa/inet.h>
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#include <errno.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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CSocket::CSocket(Type type, CObject* parent)
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: CIODevice(parent)
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, m_type(type)
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{
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}
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CSocket::~CSocket()
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{
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}
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bool CSocket::connect(const String& hostname, int port)
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{
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auto* hostent = gethostbyname(hostname.characters());
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if (!hostent) {
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dbgprintf("CSocket::connect: Unable to resolve '%s'\n", hostname.characters());
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return false;
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}
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IPv4Address host_address((const u8*)hostent->h_addr_list[0]);
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dbgprintf("CSocket::connect: Resolved '%s' to %s\n", hostname.characters(), host_address.to_string().characters());
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return connect(host_address, port);
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}
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bool CSocket::connect(const CSocketAddress& address, int port)
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{
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ASSERT(!is_connected());
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ASSERT(address.type() == CSocketAddress::Type::IPv4);
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dbgprintf("Connecting to %s...", address.to_string().characters());
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ASSERT(port > 0 && port <= 65535);
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struct sockaddr_in addr;
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memset(&addr, 0, sizeof(addr));
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auto ipv4_address = address.ipv4_address();
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memcpy(&addr.sin_addr.s_addr, &ipv4_address, sizeof(IPv4Address));
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addr.sin_family = AF_INET;
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addr.sin_port = htons(port);
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m_destination_address = address;
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m_destination_port = port;
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fflush(stdout);
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int rc = ::connect(fd(), (struct sockaddr*)&addr, sizeof(addr));
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if (rc < 0) {
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if (errno == EINPROGRESS) {
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dbgprintf("in progress.\n");
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m_notifier = make<CNotifier>(fd(), CNotifier::Event::Write);
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m_notifier->on_ready_to_write = [this] {
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dbgprintf("%s{%p} connected!\n", class_name(), this);
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m_connected = true;
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m_notifier->set_event_mask(CNotifier::Event::None);
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if (on_connected)
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on_connected();
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};
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return true;
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}
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perror("connect");
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exit(1);
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}
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dbgprintf("ok!\n");
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m_connected = true;
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return true;
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}
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bool CSocket::connect(const CSocketAddress& address)
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{
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ASSERT(!is_connected());
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ASSERT(address.type() == CSocketAddress::Type::Local);
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dbgprintf("Connecting to %s...", address.to_string().characters());
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sockaddr_un saddr;
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saddr.sun_family = AF_LOCAL;
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strcpy(saddr.sun_path, address.to_string().characters());
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int rc = ::connect(fd(), (const sockaddr*)&saddr, sizeof(saddr));
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if (rc < 0) {
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perror("connect");
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return false;
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}
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m_connected = true;
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return true;
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}
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ByteBuffer CSocket::receive(int max_size)
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{
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auto buffer = read(max_size);
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if (eof()) {
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dbgprintf("CSocket{%p}: Connection appears to have closed in receive().\n", this);
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m_connected = false;
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}
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return buffer;
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}
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bool CSocket::send(const ByteBuffer& data)
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{
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int nsent = ::send(fd(), data.pointer(), data.size(), 0);
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if (nsent < 0) {
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set_error(nsent);
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return false;
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}
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ASSERT(nsent == data.size());
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return true;
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}
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