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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/quic/core/congestion_control/bbr_sender.h" | 5 #include "net/quic/core/congestion_control/bbr_sender.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <sstream> | 8 #include <sstream> |
| 9 | 9 |
| 10 #include "net/quic/core/congestion_control/rtt_stats.h" | 10 #include "net/quic/core/congestion_control/rtt_stats.h" |
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| 91 cycle_current_offset_(0), | 91 cycle_current_offset_(0), |
| 92 last_cycle_start_(QuicTime::Zero()), | 92 last_cycle_start_(QuicTime::Zero()), |
| 93 is_at_full_bandwidth_(false), | 93 is_at_full_bandwidth_(false), |
| 94 rounds_without_bandwidth_gain_(0), | 94 rounds_without_bandwidth_gain_(0), |
| 95 bandwidth_at_last_round_(QuicBandwidth::Zero()), | 95 bandwidth_at_last_round_(QuicBandwidth::Zero()), |
| 96 exiting_quiescence_(false), | 96 exiting_quiescence_(false), |
| 97 exit_probe_rtt_at_(QuicTime::Zero()), | 97 exit_probe_rtt_at_(QuicTime::Zero()), |
| 98 probe_rtt_round_passed_(false), | 98 probe_rtt_round_passed_(false), |
| 99 last_sample_is_app_limited_(false), | 99 last_sample_is_app_limited_(false), |
| 100 recovery_state_(NOT_IN_RECOVERY), | 100 recovery_state_(NOT_IN_RECOVERY), |
| 101 end_recovery_at_(0) { | 101 end_recovery_at_(0), |
| 102 recovery_window_(max_congestion_window_) { |
| 102 EnterStartupMode(); | 103 EnterStartupMode(); |
| 103 } | 104 } |
| 104 | 105 |
| 105 BbrSender::~BbrSender() {} | 106 BbrSender::~BbrSender() {} |
| 106 | 107 |
| 107 bool BbrSender::InSlowStart() const { | 108 bool BbrSender::InSlowStart() const { |
| 108 return mode_ == STARTUP; | 109 return mode_ == STARTUP; |
| 109 } | 110 } |
| 110 | 111 |
| 111 bool BbrSender::OnPacketSent(QuicTime sent_time, | 112 bool BbrSender::OnPacketSent(QuicTime sent_time, |
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| 555 os << "Minimum RTT timestamp: " << state.min_rtt_timestamp.ToDebuggingValue() | 556 os << "Minimum RTT timestamp: " << state.min_rtt_timestamp.ToDebuggingValue() |
| 556 << std::endl; | 557 << std::endl; |
| 557 | 558 |
| 558 os << "Last sample is app-limited: " | 559 os << "Last sample is app-limited: " |
| 559 << (state.last_sample_is_app_limited ? "yes" : "no"); | 560 << (state.last_sample_is_app_limited ? "yes" : "no"); |
| 560 | 561 |
| 561 return os; | 562 return os; |
| 562 } | 563 } |
| 563 | 564 |
| 564 } // namespace net | 565 } // namespace net |
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