|  | /* | 
|  | *  Copyright 2013 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #ifndef WEBRTC_PC_SCTPUTILS_H_ | 
|  | #define WEBRTC_PC_SCTPUTILS_H_ | 
|  |  | 
|  | #include <string> | 
|  |  | 
|  | #include "webrtc/api/datachannelinterface.h" | 
|  |  | 
|  | namespace rtc { | 
|  | class CopyOnWriteBuffer; | 
|  | }  // namespace rtc | 
|  |  | 
|  | namespace webrtc { | 
|  | struct DataChannelInit; | 
|  |  | 
|  | // Read the message type and return true if it's an OPEN message. | 
|  | bool IsOpenMessage(const rtc::CopyOnWriteBuffer& payload); | 
|  |  | 
|  | bool ParseDataChannelOpenMessage(const rtc::CopyOnWriteBuffer& payload, | 
|  | std::string* label, | 
|  | DataChannelInit* config); | 
|  |  | 
|  | bool ParseDataChannelOpenAckMessage(const rtc::CopyOnWriteBuffer& payload); | 
|  |  | 
|  | bool WriteDataChannelOpenMessage(const std::string& label, | 
|  | const DataChannelInit& config, | 
|  | rtc::CopyOnWriteBuffer* payload); | 
|  |  | 
|  | void WriteDataChannelOpenAckMessage(rtc::CopyOnWriteBuffer* payload); | 
|  | }  // namespace webrtc | 
|  |  | 
|  | #endif  // WEBRTC_PC_SCTPUTILS_H_ |