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

Issue 1535363003: Switch to standard integer types in net/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: stddef Created 5 years ago
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1 // Copyright (c) 2015 The Chromium Authors. All rights reserved. 1 // Copyright (c) 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/congestion_control/tcp_cubic_bytes_sender.h" 5 #include "net/quic/congestion_control/tcp_cubic_bytes_sender.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 8
9 #include "net/quic/congestion_control/prr_sender.h" 9 #include "net/quic/congestion_control/prr_sender.h"
10 #include "net/quic/congestion_control/rtt_stats.h" 10 #include "net/quic/congestion_control/rtt_stats.h"
11 #include "net/quic/crypto/crypto_protocol.h" 11 #include "net/quic/crypto/crypto_protocol.h"
12 #include "net/quic/proto/cached_network_parameters.pb.h" 12 #include "net/quic/proto/cached_network_parameters.pb.h"
13 #include "net/quic/quic_flags.h" 13 #include "net/quic/quic_flags.h"
14 14
15 using std::max; 15 using std::max;
16 using std::min; 16 using std::min;
17 17
18 namespace net { 18 namespace net {
19 19
20 namespace { 20 namespace {
21 // Constants based on TCP defaults. 21 // Constants based on TCP defaults.
22 // The minimum cwnd based on RFC 3782 (TCP NewReno) for cwnd reductions on a 22 // The minimum cwnd based on RFC 3782 (TCP NewReno) for cwnd reductions on a
23 // fast retransmission. 23 // fast retransmission.
24 const QuicByteCount kDefaultMinimumCongestionWindow = 2 * kDefaultTCPMSS; 24 const QuicByteCount kDefaultMinimumCongestionWindow = 2 * kDefaultTCPMSS;
25 const QuicByteCount kMaxBurstBytes = 3 * kDefaultTCPMSS; 25 const QuicByteCount kMaxBurstBytes = 3 * kDefaultTCPMSS;
26 const float kRenoBeta = 0.7f; // Reno backoff factor. 26 const float kRenoBeta = 0.7f; // Reno backoff factor.
27 const uint32 kDefaultNumConnections = 2; // N-connection emulation. 27 const uint32_t kDefaultNumConnections = 2; // N-connection emulation.
28 } // namespace 28 } // namespace
29 29
30 TcpCubicBytesSender::TcpCubicBytesSender( 30 TcpCubicBytesSender::TcpCubicBytesSender(
31 const QuicClock* clock, 31 const QuicClock* clock,
32 const RttStats* rtt_stats, 32 const RttStats* rtt_stats,
33 bool reno, 33 bool reno,
34 QuicPacketCount initial_tcp_congestion_window, 34 QuicPacketCount initial_tcp_congestion_window,
35 QuicPacketCount max_congestion_window, 35 QuicPacketCount max_congestion_window,
36 QuicConnectionStats* stats) 36 QuicConnectionStats* stats)
37 : cubic_(clock), 37 : cubic_(clock),
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363 largest_sent_packet_number_ = 0; 363 largest_sent_packet_number_ = 0;
364 largest_acked_packet_number_ = 0; 364 largest_acked_packet_number_ = 0;
365 largest_sent_at_last_cutback_ = 0; 365 largest_sent_at_last_cutback_ = 0;
366 congestion_window_ = initial_tcp_congestion_window_; 366 congestion_window_ = initial_tcp_congestion_window_;
367 max_congestion_window_ = initial_max_tcp_congestion_window_; 367 max_congestion_window_ = initial_max_tcp_congestion_window_;
368 slowstart_threshold_ = initial_max_tcp_congestion_window_; 368 slowstart_threshold_ = initial_max_tcp_congestion_window_;
369 last_cutback_exited_slowstart_ = false; 369 last_cutback_exited_slowstart_ = false;
370 } 370 }
371 371
372 } // namespace net 372 } // namespace net
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