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Side by Side Diff: net/quic/core/congestion_control/general_loss_algorithm.h

Issue 2808273006: Landing Recent QUIC changes until Sun Apr 9 16:12:55 (Closed)
Patch Set: increment enabled_options in e2e test Created 3 years, 8 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 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 #ifndef NET_QUIC_CORE_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_ 5 #ifndef NET_QUIC_CORE_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_
6 #define NET_QUIC_CORE_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_ 6 #define NET_QUIC_CORE_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_
7 7
8 #include <algorithm> 8 #include <algorithm>
9 #include <map> 9 #include <map>
10 10
(...skipping 41 matching lines...) Expand 10 before | Expand all | Expand 10 after
52 QuicTime time, 52 QuicTime time,
53 const RttStats& rtt_stats, 53 const RttStats& rtt_stats,
54 QuicPacketNumber spurious_retransmission) override; 54 QuicPacketNumber spurious_retransmission) override;
55 55
56 int reordering_shift() const { return reordering_shift_; } 56 int reordering_shift() const { return reordering_shift_; }
57 57
58 private: 58 private:
59 QuicTime loss_detection_timeout_; 59 QuicTime loss_detection_timeout_;
60 // Largest sent packet when a spurious retransmit is detected. 60 // Largest sent packet when a spurious retransmit is detected.
61 // Prevents increasing the reordering threshold multiple times per epoch. 61 // Prevents increasing the reordering threshold multiple times per epoch.
62 // TODO(ianswett): Deprecate when
63 // quic_reloadable_flag_quic_fix_adaptive_time_loss is deprecated.
62 QuicPacketNumber largest_sent_on_spurious_retransmit_; 64 QuicPacketNumber largest_sent_on_spurious_retransmit_;
63 LossDetectionType loss_type_; 65 LossDetectionType loss_type_;
64 // Fraction of a max(SRTT, latest_rtt) to permit reordering before declaring 66 // Fraction of a max(SRTT, latest_rtt) to permit reordering before declaring
65 // loss. Fraction calculated by shifting max(SRTT, latest_rtt) to the right 67 // loss. Fraction calculated by shifting max(SRTT, latest_rtt) to the right
66 // by reordering_shift. 68 // by reordering_shift.
67 int reordering_shift_; 69 int reordering_shift_;
68 // The largest newly acked from the previous call to DetectLosses. 70 // The largest newly acked from the previous call to DetectLosses.
69 QuicPacketNumber largest_previously_acked_; 71 QuicPacketNumber largest_previously_acked_;
70 72
71 DISALLOW_COPY_AND_ASSIGN(GeneralLossAlgorithm); 73 DISALLOW_COPY_AND_ASSIGN(GeneralLossAlgorithm);
72 }; 74 };
73 75
74 } // namespace net 76 } // namespace net
75 77
76 #endif // NET_QUIC_CORE_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_ 78 #endif // NET_QUIC_CORE_CONGESTION_CONTROL_GENERAL_LOSS_ALGORITHM_H_
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