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 family, 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 *buffer, size_t length); 63 virtual int SendTo(const void *buffer, size_t length, const SocketAddress& addr); 64 virtual int Recv(void *buffer, size_t length); 65 virtual int RecvFrom(void *buffer, size_t length, SocketAddress *out_addr); 66 virtual int Listen(int backlog); 67 virtual Win32Socket *Accept(SocketAddress *out_addr); 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 void CreateSink(); 78 bool SetAsync(int events); 79 int DoConnect(const SocketAddress& addr); 80 bool HandleClosed(int close_error); 81 void PostClosed(); 82 void UpdateLastError(); 83 static int TranslateOption(Option opt, int* slevel, int* sopt); 84 85 void OnSocketNotify(SOCKET socket, int event, int error); 86 void OnDnsNotify(HANDLE task, int error); 87 88 SOCKET socket_; 89 int error_; 90 ConnState state_; 91 SocketAddress addr_; // address that we connected to (see DoConnect) 92 uint32 connect_time_; 93 bool closing_; 94 int close_error_; 95 96 class EventSink; 97 friend class EventSink; 98 EventSink * sink_; 99 100 struct DnsLookup; 101 DnsLookup * dns_; 102 }; 103 104 /////////////////////////////////////////////////////////////////////////////// 105 // Win32SocketServer 106 /////////////////////////////////////////////////////////////////////////////// 107 108 class Win32SocketServer : public SocketServer { 109 public: 110 explicit Win32SocketServer(MessageQueue* message_queue); 111 virtual ~Win32SocketServer(); 112 set_modeless_dialog(HWND hdlg)113 void set_modeless_dialog(HWND hdlg) { 114 hdlg_ = hdlg; 115 } 116 117 // SocketServer Interface 118 virtual Socket* CreateSocket(int type); 119 virtual Socket* CreateSocket(int family, int type); 120 121 virtual AsyncSocket* CreateAsyncSocket(int type); 122 virtual AsyncSocket* CreateAsyncSocket(int family, int type); 123 124 virtual void SetMessageQueue(MessageQueue* queue); 125 virtual bool Wait(int cms, bool process_io); 126 virtual void WakeUp(); 127 128 void Pump(); 129 handle()130 HWND handle() { return wnd_.handle(); } 131 132 private: 133 class MessageWindow : public Win32Window { 134 public: MessageWindow(Win32SocketServer * ss)135 explicit MessageWindow(Win32SocketServer* ss) : ss_(ss) {} 136 private: 137 virtual bool OnMessage(UINT msg, WPARAM wp, LPARAM lp, LRESULT& result); 138 Win32SocketServer* ss_; 139 }; 140 141 static const TCHAR kWindowName[]; 142 MessageQueue *message_queue_; 143 MessageWindow wnd_; 144 CriticalSection cs_; 145 bool posted_; 146 HWND hdlg_; 147 }; 148 149 /////////////////////////////////////////////////////////////////////////////// 150 // Win32Thread. Automatically pumps Windows messages. 151 /////////////////////////////////////////////////////////////////////////////// 152 153 class Win32Thread : public Thread { 154 public: Win32Thread()155 Win32Thread() : ss_(this), id_(0) { 156 set_socketserver(&ss_); 157 } ~Win32Thread()158 virtual ~Win32Thread() { 159 Stop(); 160 set_socketserver(NULL); 161 } Run()162 virtual void Run() { 163 id_ = GetCurrentThreadId(); 164 Thread::Run(); 165 id_ = 0; 166 } Quit()167 virtual void Quit() { 168 PostThreadMessage(id_, WM_QUIT, 0, 0); 169 } 170 private: 171 Win32SocketServer ss_; 172 DWORD id_; 173 }; 174 175 /////////////////////////////////////////////////////////////////////////////// 176 177 } // namespace talk_base 178 179 #endif // WIN32 180 181 #endif // TALK_BASE_WIN32SOCKETSERVER_H_ 182