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Side by Side Diff: net/quic/congestion_control/time_loss_algorithm.cc

Issue 706203003: Update from https://crrev.com/303153 (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 6 years, 1 month ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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/congestion_control/time_loss_algorithm.h" 5 #include "net/quic/congestion_control/time_loss_algorithm.h"
6 6
7 #include "net/quic/congestion_control/rtt_stats.h" 7 #include "net/quic/congestion_control/rtt_stats.h"
8 #include "net/quic/quic_protocol.h" 8 #include "net/quic/quic_protocol.h"
9 9
10 namespace net { 10 namespace net {
(...skipping 18 matching lines...) Expand all
29 29
30 SequenceNumberSet TimeLossAlgorithm::DetectLostPackets( 30 SequenceNumberSet TimeLossAlgorithm::DetectLostPackets(
31 const QuicUnackedPacketMap& unacked_packets, 31 const QuicUnackedPacketMap& unacked_packets,
32 const QuicTime& time, 32 const QuicTime& time,
33 QuicPacketSequenceNumber largest_observed, 33 QuicPacketSequenceNumber largest_observed,
34 const RttStats& rtt_stats) { 34 const RttStats& rtt_stats) {
35 SequenceNumberSet lost_packets; 35 SequenceNumberSet lost_packets;
36 loss_detection_timeout_ = QuicTime::Zero(); 36 loss_detection_timeout_ = QuicTime::Zero();
37 QuicTime::Delta loss_delay = QuicTime::Delta::Max( 37 QuicTime::Delta loss_delay = QuicTime::Delta::Max(
38 QuicTime::Delta::FromMilliseconds(kMinLossDelayMs), 38 QuicTime::Delta::FromMilliseconds(kMinLossDelayMs),
39 QuicTime::Delta::Max(rtt_stats.SmoothedRtt(), rtt_stats.latest_rtt()) 39 QuicTime::Delta::Max(rtt_stats.smoothed_rtt(), rtt_stats.latest_rtt())
40 .Multiply(kLossDelayMultiplier)); 40 .Multiply(kLossDelayMultiplier));
41 41
42 QuicPacketSequenceNumber sequence_number = unacked_packets.GetLeastUnacked(); 42 QuicPacketSequenceNumber sequence_number = unacked_packets.GetLeastUnacked();
43 for (QuicUnackedPacketMap::const_iterator it = unacked_packets.begin(); 43 for (QuicUnackedPacketMap::const_iterator it = unacked_packets.begin();
44 it != unacked_packets.end() && sequence_number <= largest_observed; 44 it != unacked_packets.end() && sequence_number <= largest_observed;
45 ++it, ++sequence_number) { 45 ++it, ++sequence_number) {
46 if (!it->in_flight) { 46 if (!it->in_flight) {
47 continue; 47 continue;
48 } 48 }
49 LOG_IF(DFATAL, it->nack_count == 0) 49 LOG_IF(DFATAL, it->nack_count == 0)
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62 return lost_packets; 62 return lost_packets;
63 } 63 }
64 64
65 // loss_time_ is updated in DetectLostPackets, which must be called every time 65 // loss_time_ is updated in DetectLostPackets, which must be called every time
66 // an ack is received or the timeout expires. 66 // an ack is received or the timeout expires.
67 QuicTime TimeLossAlgorithm::GetLossTimeout() const { 67 QuicTime TimeLossAlgorithm::GetLossTimeout() const {
68 return loss_detection_timeout_; 68 return loss_detection_timeout_;
69 } 69 }
70 70
71 } // namespace net 71 } // namespace net
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