network_quality_metrics_reporter.h

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/*

 *  Copyright (c) 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 TEST_PC_E2E_NETWORK_QUALITY_METRICS_REPORTER_H_

#define TEST_PC_E2E_NETWORK_QUALITY_METRICS_REPORTER_H_

#include <memory>

#include <string>

#include "absl/strings/string_view.h"

#include "api/test/metrics/metrics_logger.h"

#include "api/test/network_emulation_manager.h"

#include "api/test/peerconnection_quality_test_fixture.h"

#include "api/test/track_id_stream_info_map.h"

#include "api/units/data_size.h"

#include "rtc_base/synchronization/mutex.h"

namespace webrtc {

namespace webrtc_pc_e2e {

class NetworkQualityMetricsReporter

    : public PeerConnectionE2EQualityTestFixture::QualityMetricsReporter {

 public:

  NetworkQualityMetricsReporter(EmulatedNetworkManagerInterface* alice_network,

                                EmulatedNetworkManagerInterface* bob_network,

                                test::MetricsLogger* metrics_logger);

  NetworkQualityMetricsReporter(absl::string_view alice_network_label,

                                EmulatedNetworkManagerInterface* alice_network,

                                absl::string_view bob_network_label,

                                EmulatedNetworkManagerInterface* bob_network,

                                test::MetricsLogger* metrics_logger);

  ~NetworkQualityMetricsReporter() override = default;

  // Network stats must be empty when this method will be invoked.

  void Start(absl::string_view test_case_name,

             const TrackIdStreamInfoMap* reporter_helper) override;

  void OnStatsReports(

      absl::string_view pc_label,

      const rtc::scoped_refptr<const RTCStatsReport>& report) override;

  void StopAndReportResults() override;

 private:

  struct PCStats {

    DataSize payload_received = DataSize::Zero();

    DataSize payload_sent = DataSize::Zero();

};

  static EmulatedNetworkStats PopulateStats(

      EmulatedNetworkManagerInterface* network);

  void ReportStats(const std::string& network_label,

                   const EmulatedNetworkStats& stats,

                   int64_t packet_loss);

  void ReportPCStats(const std::string& pc_label, const PCStats& stats);

  std::string GetTestCaseName(const std::string& network_label) const;

  std::string test_case_name_;

  EmulatedNetworkManagerInterface* const alice_network_;

  EmulatedNetworkManagerInterface* const bob_network_;

  test::MetricsLogger* const metrics_logger_;

  Mutex lock_;

  std::map<std::string, PCStats> pc_stats_ RTC_GUARDED_BY(lock_);

  std::string alice_network_label_ = "alice";

  std::string bob_network_label_ = "bob";

};

}  // namespace webrtc_pc_e2e

}  // namespace webrtc

#endif  // TEST_PC_E2E_NETWORK_QUALITY_METRICS_REPORTER_H_