1 /* 2 * libjingle 3 * Copyright 2005--2010, 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_SOCKETSTREAM_H_ 29 #define TALK_BASE_SOCKETSTREAM_H_ 30 31 #include "talk/base/asyncsocket.h" 32 #include "talk/base/common.h" 33 #include "talk/base/stream.h" 34 35 namespace talk_base { 36 37 /////////////////////////////////////////////////////////////////////////////// 38 39 class SocketStream : public StreamInterface, public sigslot::has_slots<> { 40 public: 41 explicit SocketStream(AsyncSocket* socket); 42 virtual ~SocketStream(); 43 44 void Attach(AsyncSocket* socket); 45 AsyncSocket* Detach(); 46 GetSocket()47 AsyncSocket* GetSocket() { return socket_; } 48 49 virtual StreamState GetState() const; 50 51 virtual StreamResult Read(void* buffer, size_t buffer_len, 52 size_t* read, int* error); 53 54 virtual StreamResult Write(const void* data, size_t data_len, 55 size_t* written, int* error); 56 57 virtual void Close(); 58 59 private: 60 void OnConnectEvent(AsyncSocket* socket); 61 void OnReadEvent(AsyncSocket* socket); 62 void OnWriteEvent(AsyncSocket* socket); 63 void OnCloseEvent(AsyncSocket* socket, int err); 64 65 AsyncSocket* socket_; 66 67 DISALLOW_EVIL_CONSTRUCTORS(SocketStream); 68 }; 69 70 /////////////////////////////////////////////////////////////////////////////// 71 72 } // namespace talk_base 73 74 #endif // TALK_BASE_SOCKETSTREAM_H_ 75