log_simulation.h - mozsearch

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/*

 *  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.

*/

#ifndef RTC_TOOLS_RTC_EVENT_LOG_VISUALIZER_LOG_SIMULATION_H_

#define RTC_TOOLS_RTC_EVENT_LOG_VISUALIZER_LOG_SIMULATION_H_

#include <cstddef>

#include <cstdint>

#include <deque>

#include <functional>

#include <map>

#include <memory>

#include "api/rtc_event_log/rtc_event_log.h"

#include "api/transport/network_control.h"

#include "api/transport/network_types.h"

#include "api/units/timestamp.h"

#include "logging/rtc_event_log/events/logged_rtp_rtcp.h"

#include "logging/rtc_event_log/events/rtc_event_ice_candidate_pair_config.h"

#include "logging/rtc_event_log/events/rtc_event_probe_cluster_created.h"

#include "logging/rtc_event_log/rtc_event_log_parser.h"

#include "modules/congestion_controller/rtp/transport_feedback_adapter.h"

#include "modules/rtp_rtcp/source/rtcp_packet/report_block.h"

namespace webrtc {

class LogBasedNetworkControllerSimulation {

 public:

  explicit LogBasedNetworkControllerSimulation(

      std::unique_ptr<NetworkControllerFactoryInterface> factory,

      std::function<void(const NetworkControlUpdate&, Timestamp)>

          update_handler);

  ~LogBasedNetworkControllerSimulation();

  void ProcessEventsInLog(const ParsedRtcEventLog& parsed_log_);

 private:

  struct ProbingStatus {

    const LoggedBweProbeClusterCreatedEvent event;

    size_t bytes_sent;

    size_t packets_sent;

};

  void HandleStateUpdate(const NetworkControlUpdate& update);

  void ProcessUntil(Timestamp to_time);

  void OnProbeCreated(const LoggedBweProbeClusterCreatedEvent& probe_cluster);

  void OnPacketSent(const LoggedPacketInfo& packet);

  void OnFeedback(const LoggedRtcpPacketTransportFeedback& feedback);

  void OnReceiverReport(const LoggedRtcpPacketReceiverReport& report);

  void OnIceConfig(const LoggedIceCandidatePairConfig& candidate);

  RtcEventLogNull null_event_log_;

  const std::function<void(const NetworkControlUpdate&, Timestamp)>

      update_handler_;

  std::unique_ptr<NetworkControllerFactoryInterface> factory_;

  std::unique_ptr<NetworkControllerInterface> controller_;

  Timestamp current_time_ = Timestamp::MinusInfinity();

  Timestamp last_process_ = Timestamp::MinusInfinity();

  TransportFeedbackAdapter transport_feedback_;

  std::deque<ProbingStatus> pending_probes_;

  std::map<uint32_t, rtcp::ReportBlock> last_report_blocks_;

  Timestamp last_report_block_time_ = Timestamp::MinusInfinity();

};

}  // namespace webrtc

#endif  // RTC_TOOLS_RTC_EVENT_LOG_VISUALIZER_LOG_SIMULATION_H_