blob: 97633cb6ed8715efd6371c597db995985986c5d7 [file] [log] [blame]
* 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 <vector>
#include "api/transport/data_channel_transport_interface.h"
#include "rtc_base/critical_section.h"
namespace webrtc {
// Composite implementation of DataChannelTransportInterface. Allows users to
// receive data channel messages over multiple transports and send over one of
// those transports.
class CompositeDataChannelTransport : public DataChannelTransportInterface,
public DataChannelSink {
explicit CompositeDataChannelTransport(
std::vector<DataChannelTransportInterface*> transports);
~CompositeDataChannelTransport() override;
// Specifies which transport to be used for sending. Must be called before
// sending data.
void SetSendTransport(DataChannelTransportInterface* send_transport);
// Removes a given transport from the composite, if present.
void RemoveTransport(DataChannelTransportInterface* transport);
// DataChannelTransportInterface overrides.
RTCError OpenChannel(int channel_id) override;
RTCError SendData(int channel_id,
const SendDataParams& params,
const rtc::CopyOnWriteBuffer& buffer) override;
RTCError CloseChannel(int channel_id) override;
void SetDataSink(DataChannelSink* sink) override;
bool IsReadyToSend() const override;
// DataChannelSink overrides.
void OnDataReceived(int channel_id,
DataMessageType type,
const rtc::CopyOnWriteBuffer& buffer) override;
void OnChannelClosing(int channel_id) override;
void OnChannelClosed(int channel_id) override;
void OnReadyToSend() override;
std::vector<DataChannelTransportInterface*> transports_;
DataChannelTransportInterface* send_transport_ = nullptr;
DataChannelSink* sink_ = nullptr;
} // namespace webrtc