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_APP_WEBRTC_SCTPUTILS_H_ 29 #define TALK_APP_WEBRTC_SCTPUTILS_H_ 30 31 #include <string> 32 33 #include "talk/app/webrtc/datachannelinterface.h" 34 35 namespace rtc { 36 class Buffer; 37 } // namespace rtc 38 39 namespace webrtc { 40 struct DataChannelInit; 41 42 // Read the message type and return true if it's an OPEN message. 43 bool IsOpenMessage(const rtc::Buffer& payload); 44 45 bool ParseDataChannelOpenMessage(const rtc::Buffer& payload, 46 std::string* label, 47 DataChannelInit* config); 48 49 bool ParseDataChannelOpenAckMessage(const rtc::Buffer& payload); 50 51 bool WriteDataChannelOpenMessage(const std::string& label, 52 const DataChannelInit& config, 53 rtc::Buffer* payload); 54 55 void WriteDataChannelOpenAckMessage(rtc::Buffer* payload); 56 } // namespace webrtc 57 58 #endif // TALK_APP_WEBRTC_SCTPUTILS_H_ 59