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

Issue 2825083003: Landing Recent QUIC changes until Mon Apr 17 2017 (Closed)
Patch Set: Format 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 #include "net/quic/core/congestion_control/general_loss_algorithm.h" 5 #include "net/quic/core/congestion_control/general_loss_algorithm.h"
6 6
7 #include "net/quic/core/congestion_control/rtt_stats.h" 7 #include "net/quic/core/congestion_control/rtt_stats.h"
8 #include "net/quic/core/quic_flags.h"
9 #include "net/quic/core/quic_packets.h" 8 #include "net/quic/core/quic_packets.h"
10 #include "net/quic/platform/api/quic_bug_tracker.h" 9 #include "net/quic/platform/api/quic_bug_tracker.h"
11 #include "net/quic/platform/api/quic_flag_utils.h" 10 #include "net/quic/platform/api/quic_flag_utils.h"
11 #include "net/quic/platform/api/quic_flags.h"
12 12
13 namespace net { 13 namespace net {
14 14
15 namespace { 15 namespace {
16 16
17 // The minimum delay before a packet will be considered lost, 17 // The minimum delay before a packet will be considered lost,
18 // regardless of SRTT. Half of the minimum TLP, since the loss algorithm only 18 // regardless of SRTT. Half of the minimum TLP, since the loss algorithm only
19 // triggers when a nack has been receieved for the packet. 19 // triggers when a nack has been receieved for the packet.
20 static const size_t kMinLossDelayMs = 5; 20 static const size_t kMinLossDelayMs = 5;
21 21
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158 } 158 }
159 largest_sent_on_spurious_retransmit_ = unacked_packets.largest_sent_packet(); 159 largest_sent_on_spurious_retransmit_ = unacked_packets.largest_sent_packet();
160 QuicTime::Delta proposed_extra_time(QuicTime::Delta::Zero()); 160 QuicTime::Delta proposed_extra_time(QuicTime::Delta::Zero());
161 do { 161 do {
162 proposed_extra_time = max_rtt >> reordering_shift_; 162 proposed_extra_time = max_rtt >> reordering_shift_;
163 --reordering_shift_; 163 --reordering_shift_;
164 } while (proposed_extra_time < extra_time_needed && reordering_shift_ > 0); 164 } while (proposed_extra_time < extra_time_needed && reordering_shift_ > 0);
165 } 165 }
166 166
167 } // namespace net 167 } // namespace net
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