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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 // TCP cubic send side congestion algorithm, emulates the behavior of TCP cubic. | 5 // TCP cubic send side congestion algorithm, emulates the behavior of TCP cubic. |
6 | 6 |
7 #ifndef NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_ | 7 #ifndef NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_ |
8 #define NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_ | 8 #define NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_ |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include <stdint.h> |
| 11 |
| 12 #include "base/macros.h" |
11 #include "net/base/net_export.h" | 13 #include "net/base/net_export.h" |
12 #include "net/quic/congestion_control/cubic_bytes.h" | 14 #include "net/quic/congestion_control/cubic_bytes.h" |
13 #include "net/quic/congestion_control/hybrid_slow_start.h" | 15 #include "net/quic/congestion_control/hybrid_slow_start.h" |
14 #include "net/quic/congestion_control/prr_sender.h" | 16 #include "net/quic/congestion_control/prr_sender.h" |
15 #include "net/quic/congestion_control/send_algorithm_interface.h" | 17 #include "net/quic/congestion_control/send_algorithm_interface.h" |
16 #include "net/quic/quic_bandwidth.h" | 18 #include "net/quic/quic_bandwidth.h" |
17 #include "net/quic/quic_connection_stats.h" | 19 #include "net/quic/quic_connection_stats.h" |
18 #include "net/quic/quic_protocol.h" | 20 #include "net/quic/quic_protocol.h" |
19 #include "net/quic/quic_time.h" | 21 #include "net/quic/quic_time.h" |
20 | 22 |
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90 HybridSlowStart hybrid_slow_start_; | 92 HybridSlowStart hybrid_slow_start_; |
91 CubicBytes cubic_; | 93 CubicBytes cubic_; |
92 PrrSender prr_; | 94 PrrSender prr_; |
93 const RttStats* rtt_stats_; | 95 const RttStats* rtt_stats_; |
94 QuicConnectionStats* stats_; | 96 QuicConnectionStats* stats_; |
95 | 97 |
96 // If true, Reno congestion control is used instead of Cubic. | 98 // If true, Reno congestion control is used instead of Cubic. |
97 const bool reno_; | 99 const bool reno_; |
98 | 100 |
99 // Number of connections to simulate. | 101 // Number of connections to simulate. |
100 uint32 num_connections_; | 102 uint32_t num_connections_; |
101 | 103 |
102 // ACK counter for the Reno implementation. | 104 // ACK counter for the Reno implementation. |
103 uint64 num_acked_packets_; | 105 uint64_t num_acked_packets_; |
104 | 106 |
105 // Track the largest packet that has been sent. | 107 // Track the largest packet that has been sent. |
106 QuicPacketNumber largest_sent_packet_number_; | 108 QuicPacketNumber largest_sent_packet_number_; |
107 | 109 |
108 // Track the largest packet that has been acked. | 110 // Track the largest packet that has been acked. |
109 QuicPacketNumber largest_acked_packet_number_; | 111 QuicPacketNumber largest_acked_packet_number_; |
110 | 112 |
111 // Track the largest packet number outstanding when a CWND cutback occurs. | 113 // Track the largest packet number outstanding when a CWND cutback occurs. |
112 QuicPacketNumber largest_sent_at_last_cutback_; | 114 QuicPacketNumber largest_sent_at_last_cutback_; |
113 | 115 |
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137 // Initial maximum TCP congestion window in bytes. This variable can only be | 139 // Initial maximum TCP congestion window in bytes. This variable can only be |
138 // set when this algorithm is created. | 140 // set when this algorithm is created. |
139 const QuicByteCount initial_max_tcp_congestion_window_; | 141 const QuicByteCount initial_max_tcp_congestion_window_; |
140 | 142 |
141 DISALLOW_COPY_AND_ASSIGN(TcpCubicBytesSender); | 143 DISALLOW_COPY_AND_ASSIGN(TcpCubicBytesSender); |
142 }; | 144 }; |
143 | 145 |
144 } // namespace net | 146 } // namespace net |
145 | 147 |
146 #endif // NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_ | 148 #endif // NET_QUIC_CONGESTION_CONTROL_TCP_CUBIC_BYTES_SENDER_H_ |
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