chromium/third_party/webrtc/rtc_base/physical_socket_server.h

/*
 *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef RTC_BASE_PHYSICAL_SOCKET_SERVER_H_
#define RTC_BASE_PHYSICAL_SOCKET_SERVER_H_

#include "api/async_dns_resolver.h"
#include "api/units/time_delta.h"
#include "rtc_base/socket.h"
#include "rtc_base/socket_address.h"
#include "rtc_base/third_party/sigslot/sigslot.h"

#if defined(WEBRTC_POSIX)
#if defined(WEBRTC_LINUX)
// On Linux, use epoll.
#include <sys/epoll.h>

#define WEBRTC_USE_EPOLL …
#elif defined(WEBRTC_FUCHSIA) || defined(WEBRTC_MAC)
// Fuchsia implements select and poll but not epoll, and testing shows that poll
// is faster than select.
#include <poll.h>

#define WEBRTC_USE_POLL …
#else
// On other POSIX systems, use select by default.
#endif  // WEBRTC_LINUX, WEBRTC_FUCHSIA, WEBRTC_MAC
#endif  // WEBRTC_POSIX

#include <array>
#include <cstdint>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>

#include "rtc_base/deprecated/recursive_critical_section.h"
#include "rtc_base/socket_server.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/system/rtc_export.h"
#include "rtc_base/thread_annotations.h"

#if defined(WEBRTC_POSIX)
SOCKET;
#endif  // WEBRTC_POSIX

namespace rtc {

// Event constants for the Dispatcher class.
enum DispatcherEvent { … };

class Signaler;

class Dispatcher { … };

// A socket server that provides the real sockets of the underlying OS.
class RTC_EXPORT PhysicalSocketServer : public SocketServer { … };

class PhysicalSocket : public Socket, public sigslot::has_slots<> { … };

class SocketDispatcher : public Dispatcher, public PhysicalSocket { … };

}  // namespace rtc

#endif  // RTC_BASE_PHYSICAL_SOCKET_SERVER_H_