Structure of BBR's implementation,some main classes and functions which are going to be used

webrtc/modules/remote_bitrate_estimator/test/estimators/stats.h

+/*
+ *  Copyright (c) 2017 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 WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_ESTIMATORS_STATS_H_
+#define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_ESTIMATORS_STATS_H_
+
+namespace webrtc {
+namespace testing {
+namespace bwe {
+class ConnectionState {
+ public:
+  ConnectionState();
+  virtual ~ConnectionState();
+
+  int64_t time_min_cwnd_started() { return time_min_cwnd_started_; }
+  int64_t cwnd() { return cwnd_; }
+  void set_cwnd(int cwnd) { cwnd_ = cwnd; }
+  int64_t secondary_cwnd() { return secondary_cwnd_; }
+  void set_secondary_cwnd(int64_t secondary_cwnd) {
+    secondary_cwnd_ = secondary_cwnd;
+  }
+  bool DeliveryRateGrows();
+  int64_t pacing_rate() { return pacing_rate_; }
+  void set_pacing_rate(int pacing_rate) { pacing_rate_ = pacing_rate; }
+  int64_t min_rtt() { return min_rtt_; }
+  void set_min_rtt(int64_t min_rtt) { min_rtt_ = min_rtt; }
+  void set_min_rtt_time(int64_t min_rtt_time) { min_rtt_time_ = min_rtt_time; }
+  int64_t min_rtt_time() { return min_rtt_time_; }
+  void UpdateMinRtt(int64_t rtt);
+  int64_t GetTargetCwnd();
+  void set_bdp(int64_t bdp) { bdp_ = bdp; }
+  int64_t max_bdw() { return max_bdw_; }
+  int64_t delivered() { return delivered_; }
+  void AddDelivered(int64_t payload);
+  int64_t delivered_time() { return delivered_time_; }
+  void set_delivered_time(int64_t delivered_time) {
+    delivered_time_ = delivered_time;
+  }
+  void set_delivery_rate(int64_t delivery_rate) {
+    delivery_rate_ = delivery_rate;
+  }
+  void set_pacing_gain(float pacing_gain) { pacing_gain_ = pacing_gain; }
+  int64_t bytes_acked() { return bytes_acked_; }
+  int64_t inflight() { return inflight_; }
+  void AddBandwidth(int64_t bandwidth);
+  void set_cycle_start_time(int64_t cycle_start_time);
+  int64_t cycle_start_time();
+  void set_cycle_index(int64_t cycle_index);
+  int64_t cycle_index();
+  bool PacketsInFlightHasDecreased(int64_t target_value);
+  void CalculatePacingRate();
+  void CalculateCongestionWindow();
+
+ private:
+  int64_t last_min_rtt_evaluation_time_;
+  int64_t time_min_cwnd_started_;
+  int64_t cwnd_;
+  int64_t secondary_cwnd_;
+  int64_t pacing_rate_;
+  int64_t max_bdw_;
+  int64_t min_rtt_;
+  int64_t bdp_;
+  int64_t delivered_;
+  int64_t delivered_time_;
+  int64_t delivery_rate_;
+  int64_t bytes_acked_;
+  int64_t min_rtt_time_;
+  float pacing_gain_;
+  int64_t inflight_;
+};
+}  // namespace bwe
+}  // namespace testing
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_TEST_ESTIMATORS_STATS_H_