| /* Copyright 2019 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. | 
 |  */ | 
 |  | 
 | #include "api/data_channel_transport_interface.h" | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | // TODO(mellem):  Delete these default implementations and make these functions | 
 | // pure virtual as soon as downstream implementations override them. | 
 |  | 
 | RTCError DataChannelTransportInterface::OpenChannel(int channel_id) { | 
 |   return RTCError(RTCErrorType::UNSUPPORTED_OPERATION); | 
 | } | 
 |  | 
 | RTCError DataChannelTransportInterface::SendData( | 
 |     int channel_id, | 
 |     const SendDataParams& params, | 
 |     const rtc::CopyOnWriteBuffer& buffer) { | 
 |   return RTCError(RTCErrorType::UNSUPPORTED_OPERATION); | 
 | } | 
 |  | 
 | RTCError DataChannelTransportInterface::CloseChannel(int channel_id) { | 
 |   return RTCError(RTCErrorType::UNSUPPORTED_OPERATION); | 
 | } | 
 |  | 
 | void DataChannelTransportInterface::SetDataSink(DataChannelSink* /*sink*/) {} | 
 |  | 
 | }  // namespace webrtc |