Move webrtc/{base => rtc_base}

webrtc/base/physicalsocketserver.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 WEBRTC_BASE_PHYSICALSOCKETSERVER_H__
-#define WEBRTC_BASE_PHYSICALSOCKETSERVER_H__
+#ifndef WEBRTC_BASE_PHYSICALSOCKETSERVER_H_
+#define WEBRTC_BASE_PHYSICALSOCKETSERVER_H_
 
-#if defined(WEBRTC_POSIX) && defined(WEBRTC_LINUX)
-#include <sys/epoll.h>
-#define WEBRTC_USE_EPOLL 1
-#endif
 
-#include <memory>
-#include <set>
-#include <vector>
+// This header is deprecated and is just left here temporarily during
+// refactoring. See https://bugs.webrtc.org/7634 for more details.
+#include "webrtc/rtc_base/physicalsocketserver.h"
 
-#include "webrtc/base/nethelpers.h"
-#include "webrtc/base/socketserver.h"
-#include "webrtc/base/criticalsection.h"
-
-#if defined(WEBRTC_POSIX)
-typedef int SOCKET;
-#endif // WEBRTC_POSIX
-
-namespace rtc {
-
-// Event constants for the Dispatcher class.
-enum DispatcherEvent {
-  DE_READ    = 0x0001,
-  DE_WRITE   = 0x0002,
-  DE_CONNECT = 0x0004,
-  DE_CLOSE   = 0x0008,
-  DE_ACCEPT  = 0x0010,
-};
-
-class Signaler;
-#if defined(WEBRTC_POSIX)
-class PosixSignalDispatcher;
-#endif
-
-class Dispatcher {
- public:
-  virtual ~Dispatcher() {}
-  virtual uint32_t GetRequestedEvents() = 0;
-  virtual void OnPreEvent(uint32_t ff) = 0;
-  virtual void OnEvent(uint32_t ff, int err) = 0;
-#if defined(WEBRTC_WIN)
-  virtual WSAEVENT GetWSAEvent() = 0;
-  virtual SOCKET GetSocket() = 0;
-  virtual bool CheckSignalClose() = 0;
-#elif defined(WEBRTC_POSIX)
-  virtual int GetDescriptor() = 0;
-  virtual bool IsDescriptorClosed() = 0;
-#endif
-};
-
-// A socket server that provides the real sockets of the underlying OS.
-class PhysicalSocketServer : public SocketServer {
- public:
-  PhysicalSocketServer();
-  ~PhysicalSocketServer() override;
-
-  // SocketFactory:
-  Socket* CreateSocket(int type) override;
-  Socket* CreateSocket(int family, int type) override;
-
-  AsyncSocket* CreateAsyncSocket(int type) override;
-  AsyncSocket* CreateAsyncSocket(int family, int type) override;
-
-  // Internal Factory for Accept (virtual so it can be overwritten in tests).
-  virtual AsyncSocket* WrapSocket(SOCKET s);
-
-  // SocketServer:
-  bool Wait(int cms, bool process_io) override;
-  void WakeUp() override;
-
-  void Add(Dispatcher* dispatcher);
-  void Remove(Dispatcher* dispatcher);
-  void Update(Dispatcher* dispatcher);
-
-#if defined(WEBRTC_POSIX)
-  // Sets the function to be executed in response to the specified POSIX signal.
-  // The function is executed from inside Wait() using the "self-pipe trick"--
-  // regardless of which thread receives the signal--and hence can safely
-  // manipulate user-level data structures.
-  // "handler" may be SIG_IGN, SIG_DFL, or a user-specified function, just like
-  // with signal(2).
-  // Only one PhysicalSocketServer should have user-level signal handlers.
-  // Dispatching signals on multiple PhysicalSocketServers is not reliable.
-  // The signal mask is not modified. It is the caller's responsibily to
-  // maintain it as desired.
-  virtual bool SetPosixSignalHandler(int signum, void (*handler)(int));
-
- protected:
-  Dispatcher* signal_dispatcher();
-#endif
-
- private:
-  typedef std::set<Dispatcher*> DispatcherSet;
-
-  void AddRemovePendingDispatchers();
-
-#if defined(WEBRTC_POSIX)
-  bool WaitSelect(int cms, bool process_io);
-  static bool InstallSignal(int signum, void (*handler)(int));
-
-  std::unique_ptr<PosixSignalDispatcher> signal_dispatcher_;
-#endif  // WEBRTC_POSIX
-#if defined(WEBRTC_USE_EPOLL)
-  void AddEpoll(Dispatcher* dispatcher);
-  void RemoveEpoll(Dispatcher* dispatcher);
-  void UpdateEpoll(Dispatcher* dispatcher);
-  bool WaitEpoll(int cms);
-  bool WaitPoll(int cms, Dispatcher* dispatcher);
-
-  int epoll_fd_ = INVALID_SOCKET;
-  std::vector<struct epoll_event> epoll_events_;
-#endif  // WEBRTC_USE_EPOLL
-  DispatcherSet dispatchers_;
-  DispatcherSet pending_add_dispatchers_;
-  DispatcherSet pending_remove_dispatchers_;
-  bool processing_dispatchers_ = false;
-  Signaler* signal_wakeup_;
-  CriticalSection crit_;
-  bool fWait_;
-#if defined(WEBRTC_WIN)
-  WSAEVENT socket_ev_;
-#endif
-};
-
-class PhysicalSocket : public AsyncSocket, public sigslot::has_slots<> {
- public:
-  PhysicalSocket(PhysicalSocketServer* ss, SOCKET s = INVALID_SOCKET);
-  ~PhysicalSocket() override;
-
-  // Creates the underlying OS socket (same as the "socket" function).
-  virtual bool Create(int family, int type);
-
-  SocketAddress GetLocalAddress() const override;
-  SocketAddress GetRemoteAddress() const override;
-
-  int Bind(const SocketAddress& bind_addr) override;
-  int Connect(const SocketAddress& addr) override;
-
-  int GetError() const override;
-  void SetError(int error) override;
-
-  ConnState GetState() const override;
-
-  int GetOption(Option opt, int* value) override;
-  int SetOption(Option opt, int value) override;
-
-  int Send(const void* pv, size_t cb) override;
-  int SendTo(const void* buffer,
-             size_t length,
-             const SocketAddress& addr) override;
-
-  int Recv(void* buffer, size_t length, int64_t* timestamp) override;
-  int RecvFrom(void* buffer,
-               size_t length,
-               SocketAddress* out_addr,
-               int64_t* timestamp) override;
-
-  int Listen(int backlog) override;
-  AsyncSocket* Accept(SocketAddress* out_addr) override;
-
-  int Close() override;
-
-  SocketServer* socketserver() { return ss_; }
-
- protected:
-  int DoConnect(const SocketAddress& connect_addr);
-
-  // Make virtual so ::accept can be overwritten in tests.
-  virtual SOCKET DoAccept(SOCKET socket, sockaddr* addr, socklen_t* addrlen);
-
-  // Make virtual so ::send can be overwritten in tests.
-  virtual int DoSend(SOCKET socket, const char* buf, int len, int flags);
-
-  // Make virtual so ::sendto can be overwritten in tests.
-  virtual int DoSendTo(SOCKET socket, const char* buf, int len, int flags,
-                       const struct sockaddr* dest_addr, socklen_t addrlen);
-
-  void OnResolveResult(AsyncResolverInterface* resolver);
-
-  void UpdateLastError();
-  void MaybeRemapSendError();
-
-  uint8_t enabled_events() const { return enabled_events_; }
-  virtual void SetEnabledEvents(uint8_t events);
-  virtual void EnableEvents(uint8_t events);
-  virtual void DisableEvents(uint8_t events);
-
-  static int TranslateOption(Option opt, int* slevel, int* sopt);
-
-  PhysicalSocketServer* ss_;
-  SOCKET s_;
-  bool udp_;
-  CriticalSection crit_;
-  int error_ GUARDED_BY(crit_);
-  ConnState state_;
-  AsyncResolver* resolver_;
-
-#if !defined(NDEBUG)
-  std::string dbg_addr_;
-#endif
-
- private:
-  uint8_t enabled_events_ = 0;
-};
-
-class SocketDispatcher : public Dispatcher, public PhysicalSocket {
- public:
-  explicit SocketDispatcher(PhysicalSocketServer *ss);
-  SocketDispatcher(SOCKET s, PhysicalSocketServer *ss);
-  ~SocketDispatcher() override;
-
-  bool Initialize();
-
-  virtual bool Create(int type);
-  bool Create(int family, int type) override;
-
-#if defined(WEBRTC_WIN)
-  WSAEVENT GetWSAEvent() override;
-  SOCKET GetSocket() override;
-  bool CheckSignalClose() override;
-#elif defined(WEBRTC_POSIX)
-  int GetDescriptor() override;
-  bool IsDescriptorClosed() override;
-#endif
-
-  uint32_t GetRequestedEvents() override;
-  void OnPreEvent(uint32_t ff) override;
-  void OnEvent(uint32_t ff, int err) override;
-
-  int Close() override;
-
-#if defined(WEBRTC_USE_EPOLL)
- protected:
-  void StartBatchedEventUpdates();
-  void FinishBatchedEventUpdates();
-
-  void SetEnabledEvents(uint8_t events) override;
-  void EnableEvents(uint8_t events) override;
-  void DisableEvents(uint8_t events) override;
-#endif
-
- private:
-#if defined(WEBRTC_WIN)
-  static int next_id_;
-  int id_;
-  bool signal_close_;
-  int signal_err_;
-#endif // WEBRTC_WIN
-#if defined(WEBRTC_USE_EPOLL)
-  void MaybeUpdateDispatcher(uint8_t old_events);
-
-  int saved_enabled_events_ = -1;
-#endif
-};
-
-} // namespace rtc
-
-#endif // WEBRTC_BASE_PHYSICALSOCKETSERVER_H__
+#endif // WEBRTC_BASE_PHYSICALSOCKETSERVER_H_