1 /* 2 * libjingle 3 * Copyright 2004--2005, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TALK_BASE_WIN32SOCKETSERVER_H_ 29 #define TALK_BASE_WIN32SOCKETSERVER_H_ 30 31 #ifdef WIN32 32 #include "talk/base/asyncsocket.h" 33 #include "talk/base/criticalsection.h" 34 #include "talk/base/messagequeue.h" 35 #include "talk/base/socketserver.h" 36 #include "talk/base/socketfactory.h" 37 #include "talk/base/socket.h" 38 #include "talk/base/thread.h" 39 #include "talk/base/win32window.h" 40 41 namespace talk_base { 42 43 /////////////////////////////////////////////////////////////////////////////// 44 // Win32Socket 45 /////////////////////////////////////////////////////////////////////////////// 46 47 class Win32Socket : public AsyncSocket { 48 public: 49 Win32Socket(); 50 virtual ~Win32Socket(); 51 52 bool CreateT(int type); 53 54 int Attach(SOCKET s); 55 void SetTimeout(int ms); 56 57 // AsyncSocket Interface 58 virtual SocketAddress GetLocalAddress() const; 59 virtual SocketAddress GetRemoteAddress() const; 60 virtual int Bind(const SocketAddress& addr); 61 virtual int Connect(const SocketAddress& addr); 62 virtual int Send(const void *pv, size_t cb); 63 virtual int SendTo(const void *pv, size_t cb, const SocketAddress& addr); 64 virtual int Recv(void *pv, size_t cb); 65 virtual int RecvFrom(void *pv, size_t cb, SocketAddress *paddr); 66 virtual int Listen(int backlog); 67 virtual Win32Socket *Accept(SocketAddress *paddr); 68 virtual int Close(); 69 virtual int GetError() const; 70 virtual void SetError(int error); 71 virtual ConnState GetState() const; 72 virtual int EstimateMTU(uint16* mtu); 73 virtual int GetOption(Option opt, int* value); 74 virtual int SetOption(Option opt, int value); 75 76 private: 77 bool SetAsync(int events); 78 int DoConnect(const SocketAddress& addr); 79 bool HandleClosed(int close_error); 80 void PostClosed(); 81 void UpdateLastError(); 82 static int TranslateOption(Option opt, int* slevel, int* sopt); 83 84 void OnSocketNotify(SOCKET socket, int event, int error); 85 void OnDnsNotify(HANDLE task, int error); 86 87 SOCKET socket_; 88 int error_; 89 ConnState state_; 90 SocketAddress addr_; // address that we connected to (see DoConnect) 91 uint32 connect_time_; 92 bool closing_; 93 int close_error_; 94 95 class EventSink; 96 friend class EventSink; 97 EventSink * sink_; 98 99 struct DnsLookup; 100 DnsLookup * dns_; 101 }; 102 103 /////////////////////////////////////////////////////////////////////////////// 104 // Win32SocketServer 105 /////////////////////////////////////////////////////////////////////////////// 106 107 class Win32SocketServer : public SocketServer { 108 public: 109 explicit Win32SocketServer(MessageQueue *message_queue); 110 virtual ~Win32SocketServer(); 111 112 // SocketServer Interface 113 virtual Socket* CreateSocket(int type); 114 virtual AsyncSocket* CreateAsyncSocket(int type); 115 virtual void SetMessageQueue(MessageQueue* queue); 116 virtual bool Wait(int cms, bool process_io); 117 virtual void WakeUp(); 118 119 void Pump(); 120 handle()121 HWND handle() { return wnd_.handle(); } 122 123 private: 124 class MessageWindow : public Win32Window { 125 public: MessageWindow(Win32SocketServer * ss)126 explicit MessageWindow(Win32SocketServer* ss) : ss_(ss) {} 127 private: 128 virtual bool OnMessage(UINT msg, WPARAM wp, LPARAM lp, LRESULT& result); 129 Win32SocketServer* ss_; 130 }; 131 132 static const TCHAR kWindowName[]; 133 MessageQueue *message_queue_; 134 MessageWindow wnd_; 135 CriticalSection cs_; 136 bool posted_; 137 }; 138 139 /////////////////////////////////////////////////////////////////////////////// 140 // Win32Thread. Automatically pumps Windows messages. 141 /////////////////////////////////////////////////////////////////////////////// 142 143 class Win32Thread : public Thread { 144 public: Win32Thread()145 Win32Thread() : ss_(this), id_(0) { 146 set_socketserver(&ss_); 147 } ~Win32Thread()148 virtual ~Win32Thread() { 149 set_socketserver(NULL); 150 } Run()151 virtual void Run() { 152 MSG msg; 153 id_ = GetCurrentThreadId(); 154 while (GetMessage(&msg, NULL, 0, 0)) { 155 TranslateMessage(&msg); 156 DispatchMessage(&msg); 157 } 158 id_ = 0; 159 } Quit()160 virtual void Quit() { 161 PostThreadMessage(id_, WM_QUIT, 0, 0); 162 } 163 private: 164 Win32SocketServer ss_; 165 DWORD id_; 166 }; 167 168 /////////////////////////////////////////////////////////////////////////////// 169 170 } // namespace talk_base 171 172 #endif // WIN32 173 174 #endif // TALK_BASE_WIN32SOCKETSERVER_H_ 175