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Side by Side Diff: net/quic/congestion_control/tcp_cubic_sender.h

Issue 182523002: Land Recent QUIC Changes. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fixed rch's comments in Patch set 1 of CL 181463007 Created 6 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 // TCP cubic send side congestion algorithm, emulates the behavior of 5 // TCP cubic send side congestion algorithm, emulates the behavior of
6 // TCP cubic. 6 // TCP cubic.
7 7
8 #ifndef NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_ 8 #ifndef NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_
9 #define NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_ 9 #define NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_
10 10
11 #include "base/basictypes.h" 11 #include "base/basictypes.h"
12 #include "base/compiler_specific.h" 12 #include "base/compiler_specific.h"
13 #include "net/base/net_export.h" 13 #include "net/base/net_export.h"
14 #include "net/quic/congestion_control/cubic.h" 14 #include "net/quic/congestion_control/cubic.h"
15 #include "net/quic/congestion_control/hybrid_slow_start.h" 15 #include "net/quic/congestion_control/hybrid_slow_start.h"
16 #include "net/quic/congestion_control/send_algorithm_interface.h" 16 #include "net/quic/congestion_control/send_algorithm_interface.h"
17 #include "net/quic/quic_bandwidth.h" 17 #include "net/quic/quic_bandwidth.h"
18 #include "net/quic/quic_connection_stats.h"
18 #include "net/quic/quic_protocol.h" 19 #include "net/quic/quic_protocol.h"
19 #include "net/quic/quic_time.h" 20 #include "net/quic/quic_time.h"
20 21
21 namespace net { 22 namespace net {
22 23
23 // Default maximum packet size used in Linux TCP implementations. 24 // Default maximum packet size used in Linux TCP implementations.
24 const QuicByteCount kDefaultTCPMSS = 1460; 25 const QuicByteCount kDefaultTCPMSS = 1460;
25 26
26 namespace test { 27 namespace test {
27 class TcpCubicSenderPeer; 28 class TcpCubicSenderPeer;
28 } // namespace test 29 } // namespace test
29 30
30 class NET_EXPORT_PRIVATE TcpCubicSender : public SendAlgorithmInterface { 31 class NET_EXPORT_PRIVATE TcpCubicSender : public SendAlgorithmInterface {
31 public: 32 public:
32 // Reno option and max_tcp_congestion_window are provided for testing. 33 // Reno option and max_tcp_congestion_window are provided for testing.
33 TcpCubicSender(const QuicClock* clock, 34 TcpCubicSender(const QuicClock* clock,
34 bool reno, 35 bool reno,
35 QuicTcpCongestionWindow max_tcp_congestion_window); 36 QuicTcpCongestionWindow max_tcp_congestion_window,
37 QuicConnectionStats* stats);
36 virtual ~TcpCubicSender(); 38 virtual ~TcpCubicSender();
37 39
38 // Start implementation of SendAlgorithmInterface. 40 // Start implementation of SendAlgorithmInterface.
39 virtual void SetFromConfig(const QuicConfig& config, bool is_server) OVERRIDE; 41 virtual void SetFromConfig(const QuicConfig& config, bool is_server) OVERRIDE;
40 virtual void OnIncomingQuicCongestionFeedbackFrame( 42 virtual void OnIncomingQuicCongestionFeedbackFrame(
41 const QuicCongestionFeedbackFrame& feedback, 43 const QuicCongestionFeedbackFrame& feedback,
42 QuicTime feedback_receive_time) OVERRIDE; 44 QuicTime feedback_receive_time) OVERRIDE;
43 virtual void OnPacketAcked(QuicPacketSequenceNumber acked_sequence_number, 45 virtual void OnPacketAcked(QuicPacketSequenceNumber acked_sequence_number,
44 QuicByteCount acked_bytes) OVERRIDE; 46 QuicByteCount acked_bytes) OVERRIDE;
45 virtual void OnPacketLost(QuicPacketSequenceNumber largest_loss, 47 virtual void OnPacketLost(QuicPacketSequenceNumber largest_loss,
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130 // Approximation of standard deviation, the error is roughly 1.25 times 132 // Approximation of standard deviation, the error is roughly 1.25 times
131 // larger than the standard deviation, for a normally distributed signal. 133 // larger than the standard deviation, for a normally distributed signal.
132 QuicTime::Delta mean_deviation_; 134 QuicTime::Delta mean_deviation_;
133 135
134 DISALLOW_COPY_AND_ASSIGN(TcpCubicSender); 136 DISALLOW_COPY_AND_ASSIGN(TcpCubicSender);
135 }; 137 };
136 138
137 } // namespace net 139 } // namespace net
138 140
139 #endif // NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_ 141 #endif // NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_SENDER_H_
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