| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef QUICHE_QUIC_CORE_CONGESTION_CONTROL_BBR2_PROBE_RTT_H_ |
| #define QUICHE_QUIC_CORE_CONGESTION_CONTROL_BBR2_PROBE_RTT_H_ |
| |
| #include "quiche/quic/core/congestion_control/bbr2_misc.h" |
| #include "quiche/quic/core/quic_time.h" |
| #include "quiche/quic/core/quic_types.h" |
| #include "quiche/quic/platform/api/quic_export.h" |
| |
| namespace quic { |
| |
| class Bbr2Sender; |
| class QUIC_EXPORT_PRIVATE Bbr2ProbeRttMode final : public Bbr2ModeBase { |
| public: |
| using Bbr2ModeBase::Bbr2ModeBase; |
| |
| void Enter(QuicTime now, |
| const Bbr2CongestionEvent* congestion_event) override; |
| void Leave(QuicTime /*now*/, |
| const Bbr2CongestionEvent* /*congestion_event*/) override {} |
| |
| Bbr2Mode OnCongestionEvent( |
| QuicByteCount prior_in_flight, QuicTime event_time, |
| const AckedPacketVector& acked_packets, |
| const LostPacketVector& lost_packets, |
| const Bbr2CongestionEvent& congestion_event) override; |
| |
| Limits<QuicByteCount> GetCwndLimits() const override; |
| |
| bool IsProbingForBandwidth() const override { return false; } |
| |
| Bbr2Mode OnExitQuiescence(QuicTime now, |
| QuicTime quiescence_start_time) override; |
| |
| struct QUIC_EXPORT_PRIVATE DebugState { |
| QuicByteCount inflight_target; |
| QuicTime exit_time = QuicTime::Zero(); |
| }; |
| |
| DebugState ExportDebugState() const; |
| |
| private: |
| const Bbr2Params& Params() const; |
| |
| QuicByteCount InflightTarget() const; |
| |
| QuicTime exit_time_ = QuicTime::Zero(); |
| }; |
| |
| QUIC_EXPORT_PRIVATE std::ostream& operator<<( |
| std::ostream& os, const Bbr2ProbeRttMode::DebugState& state); |
| |
| } // namespace quic |
| |
| #endif // QUICHE_QUIC_CORE_CONGESTION_CONTROL_BBR2_PROBE_RTT_H_ |