1 /* 2 * Copyright 2017 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef API_TURN_CUSTOMIZER_H_ 12 #define API_TURN_CUSTOMIZER_H_ 13 14 #include <stdlib.h> 15 16 #include "api/transport/stun.h" 17 18 namespace cricket { 19 class PortInterface; 20 } // namespace cricket 21 22 namespace webrtc { 23 24 class TurnCustomizer { 25 public: 26 // This is called before a TURN message is sent. 27 // This could be used to add implementation specific attributes to a request. 28 virtual void MaybeModifyOutgoingStunMessage( 29 cricket::PortInterface* port, 30 cricket::StunMessage* message) = 0; 31 32 // TURN can send data using channel data messages or Send indication. 33 // This method should return false if `data` should be sent using 34 // a Send indication instead of a ChannelData message, even if a 35 // channel is bound. 36 virtual bool AllowChannelData(cricket::PortInterface* port, 37 const void* data, 38 size_t size, 39 bool payload) = 0; 40 ~TurnCustomizer()41 virtual ~TurnCustomizer() {} 42 }; 43 44 } // namespace webrtc 45 46 #endif // API_TURN_CUSTOMIZER_H_ 47