third_party/libwebrtc/api/turn_customizer.h

   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
  41   virtual ~TurnCustomizer() {}
  42 };
  43
  44 }  // namespace webrtc
  45
  46 #endif  // API_TURN_CUSTOMIZER_H_