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 _XMPPSOCKET_H_ 29 #define _XMPPSOCKET_H_ 30 31 #include "talk/base/asyncsocket.h" 32 #include "talk/base/bytebuffer.h" 33 #include "talk/base/sigslot.h" 34 #include "talk/xmpp/asyncsocket.h" 35 36 // The below define selects the SSLStreamAdapter implementation for 37 // SSL, as opposed to the SSLAdapter socket adapter. 38 // #define USE_SSLSTREAM 39 40 namespace talk_base { 41 class StreamInterface; 42 }; 43 extern talk_base::AsyncSocket* cricket_socket_; 44 45 class XmppSocket : public buzz::AsyncSocket, public sigslot::has_slots<> { 46 public: 47 XmppSocket(bool tls); 48 ~XmppSocket(); 49 50 virtual buzz::AsyncSocket::State state(); 51 virtual buzz::AsyncSocket::Error error(); 52 virtual int GetError(); 53 54 virtual bool Connect(const talk_base::SocketAddress& addr); 55 virtual bool Read(char * data, size_t len, size_t* len_read); 56 virtual bool Write(const char * data, size_t len); 57 virtual bool Close(); 58 virtual bool StartTls(const std::string & domainname); 59 60 sigslot::signal1<int> SignalCloseEvent; 61 62 private: 63 #ifndef USE_SSLSTREAM 64 void OnReadEvent(talk_base::AsyncSocket * socket); 65 void OnWriteEvent(talk_base::AsyncSocket * socket); 66 void OnConnectEvent(talk_base::AsyncSocket * socket); 67 void OnCloseEvent(talk_base::AsyncSocket * socket, int error); 68 #else // USE_SSLSTREAM 69 void OnEvent(talk_base::StreamInterface* stream, int events, int err); 70 #endif // USE_SSLSTREAM 71 72 talk_base::AsyncSocket * cricket_socket_; 73 #ifdef USE_SSLSTREAM 74 talk_base::StreamInterface *stream_; 75 #endif // USE_SSLSTREAM 76 buzz::AsyncSocket::State state_; 77 talk_base::ByteBuffer buffer_; 78 bool tls_; 79 }; 80 81 #endif // _XMPPSOCKET_H_ 82