50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
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/*
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* Copyright 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_CONGESTION_CONTROLLER_GOOG_CC_OVERUSE_PREDICTOR_H_
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#define MODULES_CONGESTION_CONTROLLER_GOOG_CC_OVERUSE_PREDICTOR_H_
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#include <deque>
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#include <string>
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#include "api/transport/network_types.h"
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#include "api/transport/webrtc_key_value_config.h"
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#include "rtc_base/experiments/field_trial_parser.h"
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#include "rtc_base/experiments/field_trial_units.h"
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namespace webrtc {
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struct OverusePredictorConfig {
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FieldTrialFlag enabled{"Enabled"};
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FieldTrialParameter<double> capacity_dev_ratio_threshold{"dev_thr", 0.2};
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FieldTrialParameter<double> capacity_deviation{"cap_dev", -1};
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FieldTrialParameter<TimeDelta> delay_threshold{"del_thr", TimeDelta::ms(100)};
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explicit OverusePredictorConfig(const std::string& config);
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};
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class OverusePredictor {
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public:
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explicit OverusePredictor(const WebRtcKeyValueConfig* config);
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void OnSentPacket(SentPacket sent_packet);
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bool Enabled() const;
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bool PredictOveruse(const NetworkStateEstimate& est);
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private:
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struct SentPacketInfo {
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Timestamp send_time;
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DataSize size;
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};
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TimeDelta PredictDelay(const NetworkStateEstimate& est);
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const OverusePredictorConfig conf_;
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std::deque<SentPacketInfo> pending_;
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};
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} // namespace webrtc
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#endif // MODULES_CONGESTION_CONTROLLER_GOOG_CC_OVERUSE_PREDICTOR_H_
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