64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_SOCKET_SERVER_H_
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#define RTC_BASE_SOCKET_SERVER_H_
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#include <memory>
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#include "rtc_base/socket_factory.h"
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namespace rtc {
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class Thread;
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// Needs to be forward declared because there's a circular dependency between
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// NetworkMonitor and Thread.
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// TODO(deadbeef): Fix this.
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class NetworkBinderInterface;
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// Provides the ability to wait for activity on a set of sockets. The Thread
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// class provides a nice wrapper on a socket server.
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//
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// The server is also a socket factory. The sockets it creates will be
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// notified of asynchronous I/O from this server's Wait method.
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class SocketServer : public SocketFactory {
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public:
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static const int kForever = -1;
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static std::unique_ptr<SocketServer> CreateDefault();
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// When the socket server is installed into a Thread, this function is
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// called to allow the socket server to use the thread's message queue for
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// any messaging that it might need to perform.
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virtual void SetMessageQueue(Thread* queue) {}
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// Sleeps until:
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// 1) cms milliseconds have elapsed (unless cms == kForever)
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// 2) WakeUp() is called
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// While sleeping, I/O is performed if process_io is true.
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virtual bool Wait(int cms, bool process_io) = 0;
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// Causes the current wait (if one is in progress) to wake up.
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virtual void WakeUp() = 0;
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// A network binder will bind the created sockets to a network.
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// It is only used in PhysicalSocketServer.
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void set_network_binder(NetworkBinderInterface* binder) {
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network_binder_ = binder;
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}
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NetworkBinderInterface* network_binder() const { return network_binder_; }
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private:
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NetworkBinderInterface* network_binder_ = nullptr;
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};
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} // namespace rtc
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#endif // RTC_BASE_SOCKET_SERVER_H_
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