blob: e25bc6f061c5216bf1f945584e74650d6cccb70f [file] [log] [blame]
/*
* Copyright (c) 2018 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 MODULES_CONGESTION_CONTROLLER_RTP_PACER_CONTROLLER_H_
#define MODULES_CONGESTION_CONTROLLER_RTP_PACER_CONTROLLER_H_
#include <memory>
#include "modules/congestion_controller/network_control/include/network_types.h"
#include "modules/pacing/paced_sender.h"
#include "rtc_base/sequenced_task_checker.h"
namespace webrtc {
class Clock;
namespace webrtc_cc {
// Wrapper class to control pacer using task queues. Note that this class is
// only designed to be used from a single task queue and has no built in
// concurrency safety.
// TODO(srte): Integrate this interface directly into PacedSender.
class PacerController {
public:
explicit PacerController(PacedSender* pacer);
~PacerController();
void OnCongestionWindow(CongestionWindow msg);
void OnNetworkAvailability(NetworkAvailability msg);
void OnNetworkRouteChange(NetworkRouteChange msg);
void OnOutstandingData(OutstandingData msg);
void OnPacerConfig(PacerConfig msg);
void OnProbeClusterConfig(ProbeClusterConfig msg);
private:
void UpdatePacerState();
void SetPacerState(bool paused);
PacedSender* const pacer_;
rtc::Optional<PacerConfig> current_pacer_config_;
rtc::Optional<CongestionWindow> congestion_window_;
bool congested_ = false;
bool pacer_paused_ = false;
bool network_available_ = true;
rtc::SequencedTaskChecker sequenced_checker_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(PacerController);
};
} // namespace webrtc_cc
} // namespace webrtc
#endif // MODULES_CONGESTION_CONTROLLER_RTP_PACER_CONTROLLER_H_