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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 // Cubic algorithm, helper class to TCP cubic. | 5 // Cubic algorithm, helper class to TCP cubic. |
| 6 // For details see http://netsrv.csc.ncsu.edu/export/cubic_a_new_tcp_2008.pdf. | 6 // For details see http://netsrv.csc.ncsu.edu/export/cubic_a_new_tcp_2008.pdf. |
| 7 | 7 |
| 8 #ifndef NET_QUIC_CONGESTION_CONTROL_CUBIC_H_ | 8 #ifndef NET_QUIC_CONGESTION_CONTROL_CUBIC_H_ |
| 9 #define NET_QUIC_CONGESTION_CONTROL_CUBIC_H_ | 9 #define NET_QUIC_CONGESTION_CONTROL_CUBIC_H_ |
| 10 | 10 |
| 11 #include <stdint.h> | 11 #include <stdint.h> |
| 12 | 12 |
| 13 #include "base/macros.h" | 13 #include "base/macros.h" |
| 14 #include "net/base/net_export.h" | 14 #include "net/base/net_export.h" |
| 15 #include "net/quic/quic_bandwidth.h" | 15 #include "net/quic/core/quic_bandwidth.h" |
| 16 #include "net/quic/quic_clock.h" | 16 #include "net/quic/core/quic_clock.h" |
| 17 #include "net/quic/quic_connection_stats.h" | 17 #include "net/quic/core/quic_connection_stats.h" |
| 18 #include "net/quic/quic_time.h" | 18 #include "net/quic/core/quic_time.h" |
| 19 | 19 |
| 20 namespace net { | 20 namespace net { |
| 21 | 21 |
| 22 class NET_EXPORT_PRIVATE Cubic { | 22 class NET_EXPORT_PRIVATE Cubic { |
| 23 public: | 23 public: |
| 24 explicit Cubic(const QuicClock* clock); | 24 explicit Cubic(const QuicClock* clock); |
| 25 | 25 |
| 26 void SetNumConnections(int num_connections); | 26 void SetNumConnections(int num_connections); |
| 27 | 27 |
| 28 // Call after a timeout to reset the cubic state. | 28 // Call after a timeout to reset the cubic state. |
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| 91 | 91 |
| 92 // Last congestion window in packets computed by cubic function. | 92 // Last congestion window in packets computed by cubic function. |
| 93 QuicPacketCount last_target_congestion_window_; | 93 QuicPacketCount last_target_congestion_window_; |
| 94 | 94 |
| 95 DISALLOW_COPY_AND_ASSIGN(Cubic); | 95 DISALLOW_COPY_AND_ASSIGN(Cubic); |
| 96 }; | 96 }; |
| 97 | 97 |
| 98 } // namespace net | 98 } // namespace net |
| 99 | 99 |
| 100 #endif // NET_QUIC_CONGESTION_CONTROL_CUBIC_H_ | 100 #endif // NET_QUIC_CONGESTION_CONTROL_CUBIC_H_ |
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