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When a socket's user doesn't need it to be active, but wants to keep it open, the socket's notifiers should not be enabled to avoid hogging the CPU with effectively useless notifications. This API can be used to disable said notifiers until the user needs the notifications.
77 lines
1.8 KiB
C++
77 lines
1.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Function.h>
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#include <AK/Span.h>
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#include <LibCore/IODevice.h>
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#include <LibCore/SocketAddress.h>
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namespace Core {
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class Socket : public IODevice {
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C_OBJECT(Socket)
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public:
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enum class Type {
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Invalid,
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TCP,
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UDP,
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Local,
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};
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virtual ~Socket() override;
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Type type() const { return m_type; }
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virtual bool connect(const String& hostname, int port);
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bool connect(const SocketAddress&, int port);
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bool connect(const SocketAddress&);
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ByteBuffer receive(int max_size);
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bool send(ReadonlyBytes);
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bool is_connected() const { return m_connected; }
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void set_blocking(bool blocking);
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SocketAddress source_address() const { return m_source_address; }
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int source_port() const { return m_source_port; }
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SocketAddress destination_address() const { return m_destination_address; }
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int destination_port() const { return m_destination_port; }
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virtual bool close() override;
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virtual void set_idle(bool);
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Function<void()> on_connected;
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Function<void()> on_error;
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Function<void()> on_ready_to_read;
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protected:
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Socket(Type, Object* parent);
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SocketAddress m_source_address;
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SocketAddress m_destination_address;
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int m_source_port { -1 };
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int m_destination_port { -1 };
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bool m_connected { false };
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virtual void did_update_fd(int) override;
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virtual bool common_connect(const struct sockaddr*, socklen_t);
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private:
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virtual bool open(OpenMode) override { VERIFY_NOT_REACHED(); }
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void ensure_read_notifier();
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Type m_type { Type::Invalid };
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RefPtr<Notifier> m_notifier;
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RefPtr<Notifier> m_read_notifier;
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};
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}
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template<>
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struct AK::Formatter<Core::Socket> : Formatter<Core::Object> {
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};
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