1/* 2 * libjingle 3 * Copyright 2013, 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_P2P_BASE_ASYNCSTUNTCPSOCKET_H_ 29#define TALK_P2P_BASE_ASYNCSTUNTCPSOCKET_H_ 30 31#include "webrtc/base/asynctcpsocket.h" 32#include "webrtc/base/scoped_ptr.h" 33#include "webrtc/base/socketfactory.h" 34 35namespace cricket { 36 37class AsyncStunTCPSocket : public rtc::AsyncTCPSocketBase { 38 public: 39 // Binds and connects |socket| and creates AsyncTCPSocket for 40 // it. Takes ownership of |socket|. Returns NULL if bind() or 41 // connect() fail (|socket| is destroyed in that case). 42 static AsyncStunTCPSocket* Create( 43 rtc::AsyncSocket* socket, 44 const rtc::SocketAddress& bind_address, 45 const rtc::SocketAddress& remote_address); 46 47 AsyncStunTCPSocket(rtc::AsyncSocket* socket, bool listen); 48 virtual ~AsyncStunTCPSocket() {} 49 50 virtual int Send(const void* pv, size_t cb, 51 const rtc::PacketOptions& options); 52 virtual void ProcessInput(char* data, size_t* len); 53 virtual void HandleIncomingConnection(rtc::AsyncSocket* socket); 54 55 private: 56 // This method returns the message hdr + length written in the header. 57 // This method also returns the number of padding bytes needed/added to the 58 // turn message. |pad_bytes| should be used only when |is_turn| is true. 59 size_t GetExpectedLength(const void* data, size_t len, 60 int* pad_bytes); 61 62 DISALLOW_EVIL_CONSTRUCTORS(AsyncStunTCPSocket); 63}; 64 65} // namespace cricket 66 67#endif // TALK_P2P_BASE_ASYNCSTUNTCPSOCKET_H_ 68