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| 1 /* |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_METRIC_RECORDER_H_ |
| 12 #define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_METRIC_RECORDER_H_ |
| 13 |
| 14 #include <string> |
| 15 #include <vector> |
| 16 |
| 17 #include "webrtc/base/common.h" |
| 18 #include "webrtc/modules/remote_bitrate_estimator/test/packet_sender.h" |
| 19 |
| 20 namespace webrtc { |
| 21 namespace testing { |
| 22 namespace bwe { |
| 23 |
| 24 class MetricRecorder { |
| 25 public: |
| 26 MetricRecorder(const std::string algorithm_name, |
| 27 int flow_id, |
| 28 PacketSender* packet_sender, |
| 29 ChokeFilter* choke_filter); |
| 30 |
| 31 void PlotLine(int windows_id, |
| 32 const std::string& prefix, |
| 33 int64_t x, |
| 34 int64_t y); |
| 35 |
| 36 void PlotThroughput(const std::string& prefix, |
| 37 int64_t time_ms, |
| 38 int64_t bitrate_kbps); |
| 39 |
| 40 void PlotDelay(const std::string& prefix, int64_t time_ms, int64_t delay_ms); |
| 41 |
| 42 void PlotLoss(const std::string& prefix, int64_t time_ms, double loss); |
| 43 |
| 44 void PlotObjective(const std::string& prefix, int64_t time_ms); |
| 45 |
| 46 void PlotTotalAvailableCapacity(const std::string& prefix, int64_t time_ms); |
| 47 |
| 48 void PlotAvailableCapacityPerFlow(const std::string& prefix, int64_t time_ms); |
| 49 |
| 50 void PlotThroughputHistogram(const std::string& title, |
| 51 const std::string& bwe_name, |
| 52 int num_flows, |
| 53 int64_t extra_offset_ms, |
| 54 const std::string optimum_id); |
| 55 |
| 56 void PlotThroughputHistogram(const std::string& title, |
| 57 const std::string& bwe_name, |
| 58 int num_flows, |
| 59 int64_t extra_offset_ms); |
| 60 |
| 61 void PlotDelayHistogram(const std::string& title, |
| 62 const std::string& bwe_name, |
| 63 int num_flows); |
| 64 |
| 65 void PlotLossHistogram(const std::string& title, |
| 66 const std::string& bwe_name, |
| 67 int num_flows, |
| 68 float global_loss_ratio); |
| 69 |
| 70 void PlotObjectiveHistogram(const std::string& title, |
| 71 const std::string& bwe_name, |
| 72 int num_flows); |
| 73 |
| 74 // Update time and previous available capacity per flow. |
| 75 void Update(int64_t time_ms); |
| 76 |
| 77 void PushDelayMs(int64_t delay_ms, int64_t arrival_time_ms); |
| 78 void PushThroughputBytes(size_t throughput_bytes, int64_t arrival_time_ms); |
| 79 |
| 80 void set_start_computing_metrics_ms(int64_t start_computing_metrics_ms) { |
| 81 start_computing_metrics_ms_ = start_computing_metrics_ms; |
| 82 } |
| 83 |
| 84 private: |
| 85 uint32_t GetTotalAvailableKbps(); |
| 86 uint32_t GetAvailablePerFlowKbps(); |
| 87 uint32_t GetSendingEstimateKbps(); |
| 88 double ObjectiveFunction(); |
| 89 |
| 90 double Renormalize(double x); |
| 91 bool ShouldRecord(int64_t arrival_time_ms); |
| 92 |
| 93 enum Metrics { |
| 94 kThroughput = 0, |
| 95 kDelay, |
| 96 kLoss, |
| 97 kObjective, |
| 98 kTotalAvailable, |
| 99 kAvailablePerFlow, |
| 100 kNumMetrics |
| 101 }; |
| 102 |
| 103 std::string algorithm_name_; |
| 104 int flow_id_; |
| 105 PacketSender* packet_sender_; |
| 106 ChokeFilter* choke_filter_; |
| 107 |
| 108 int64_t now_ms_; |
| 109 |
| 110 bool plot_[kNumMetrics]; |
| 111 int64_t last_plot_ms_[kNumMetrics]; |
| 112 |
| 113 std::vector<int64_t> delays_ms_; |
| 114 std::vector<size_t> throughput_bytes_; |
| 115 // (Receiving rate - available bitrate per flow) * time window. |
| 116 std::vector<int64_t> weighted_estimate_error_; |
| 117 int64_t last_unweighted_estimate_error_; |
| 118 int64_t optimal_throughput_bits_; |
| 119 int64_t last_available_bitrate_per_flow_kbps_; |
| 120 int64_t start_computing_metrics_ms_; |
| 121 bool started_computing_metrics_; |
| 122 }; |
| 123 |
| 124 } // namespace bwe |
| 125 } // namespace testing |
| 126 } // namespace webrtc |
| 127 #endif // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_METRIC_RECORDER_H_ |
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