Adds a modified copy of talk/base to webrtc/base. It is the first step in migrating talk/base to webrtc/base.

BUG=N/A
R=andrew@webrtc.org, wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/12199004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@6107 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/base/win32socketserver.h

@@ -0,0 +1,164 @@
+/*
+ *  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_WIN32SOCKETSERVER_H_
+#define WEBRTC_BASE_WIN32SOCKETSERVER_H_
+
+#if defined(WEBRTC_WIN)
+#include "webrtc/base/asyncsocket.h"
+#include "webrtc/base/criticalsection.h"
+#include "webrtc/base/messagequeue.h"
+#include "webrtc/base/socketserver.h"
+#include "webrtc/base/socketfactory.h"
+#include "webrtc/base/socket.h"
+#include "webrtc/base/thread.h"
+#include "webrtc/base/win32window.h"
+
+namespace rtc {
+
+///////////////////////////////////////////////////////////////////////////////
+// Win32Socket
+///////////////////////////////////////////////////////////////////////////////
+
+class Win32Socket : public AsyncSocket {
+ public:
+  Win32Socket();
+  virtual ~Win32Socket();
+
+  bool CreateT(int family, int type);
+
+  int Attach(SOCKET s);
+  void SetTimeout(int ms);
+
+  // AsyncSocket Interface
+  virtual SocketAddress GetLocalAddress() const;
+  virtual SocketAddress GetRemoteAddress() const;
+  virtual int Bind(const SocketAddress& addr);
+  virtual int Connect(const SocketAddress& addr);
+  virtual int Send(const void *buffer, size_t length);
+  virtual int SendTo(const void *buffer, size_t length, const SocketAddress& addr);
+  virtual int Recv(void *buffer, size_t length);
+  virtual int RecvFrom(void *buffer, size_t length, SocketAddress *out_addr);
+  virtual int Listen(int backlog);
+  virtual Win32Socket *Accept(SocketAddress *out_addr);
+  virtual int Close();
+  virtual int GetError() const;
+  virtual void SetError(int error);
+  virtual ConnState GetState() const;
+  virtual int EstimateMTU(uint16* mtu);
+  virtual int GetOption(Option opt, int* value);
+  virtual int SetOption(Option opt, int value);
+
+ private:
+  void CreateSink();
+  bool SetAsync(int events);
+  int DoConnect(const SocketAddress& addr);
+  bool HandleClosed(int close_error);
+  void PostClosed();
+  void UpdateLastError();
+  static int TranslateOption(Option opt, int* slevel, int* sopt);
+
+  void OnSocketNotify(SOCKET socket, int event, int error);
+  void OnDnsNotify(HANDLE task, int error);
+
+  SOCKET socket_;
+  int error_;
+  ConnState state_;
+  SocketAddress addr_;         // address that we connected to (see DoConnect)
+  uint32 connect_time_;
+  bool closing_;
+  int close_error_;
+
+  class EventSink;
+  friend class EventSink;
+  EventSink * sink_;
+
+  struct DnsLookup;
+  DnsLookup * dns_;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+// Win32SocketServer
+///////////////////////////////////////////////////////////////////////////////
+
+class Win32SocketServer : public SocketServer {
+ public:
+  explicit Win32SocketServer(MessageQueue* message_queue);
+  virtual ~Win32SocketServer();
+
+  void set_modeless_dialog(HWND hdlg) {
+    hdlg_ = hdlg;
+  }
+
+  // SocketServer Interface
+  virtual Socket* CreateSocket(int type);
+  virtual Socket* CreateSocket(int family, int type);
+
+  virtual AsyncSocket* CreateAsyncSocket(int type);
+  virtual AsyncSocket* CreateAsyncSocket(int family, int type);
+
+  virtual void SetMessageQueue(MessageQueue* queue);
+  virtual bool Wait(int cms, bool process_io);
+  virtual void WakeUp();
+
+  void Pump();
+
+  HWND handle() { return wnd_.handle(); }
+
+ private:
+  class MessageWindow : public Win32Window {
+   public:
+    explicit MessageWindow(Win32SocketServer* ss) : ss_(ss) {}
+   private:
+    virtual bool OnMessage(UINT msg, WPARAM wp, LPARAM lp, LRESULT& result);
+    Win32SocketServer* ss_;
+  };
+
+  static const TCHAR kWindowName[];
+  MessageQueue *message_queue_;
+  MessageWindow wnd_;
+  CriticalSection cs_;
+  bool posted_;
+  HWND hdlg_;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+// Win32Thread. Automatically pumps Windows messages.
+///////////////////////////////////////////////////////////////////////////////
+
+class Win32Thread : public Thread {
+ public:
+  Win32Thread() : ss_(this), id_(0) {
+    set_socketserver(&ss_);
+  }
+  virtual ~Win32Thread() {
+    Stop();
+    set_socketserver(NULL);
+  }
+  virtual void Run() {
+    id_ = GetCurrentThreadId();
+    Thread::Run();
+    id_ = 0;
+  }
+  virtual void Quit() {
+    PostThreadMessage(id_, WM_QUIT, 0, 0);
+  }
+ private:
+  Win32SocketServer ss_;
+  DWORD id_;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+}  // namespace rtc
+
+#endif  // WEBRTC_WIN 
+
+#endif  // WEBRTC_BASE_WIN32SOCKETSERVER_H_