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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 // A convenience class to store rtt samples and calculate smoothed rtt. | 5 // A convenience class to store rtt samples and calculate smoothed rtt. |
6 | 6 |
7 #ifndef NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_ | 7 #ifndef NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_ |
8 #define NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_ | 8 #define NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_ |
9 | 9 |
10 #include <stdint.h> | 10 #include <stdint.h> |
11 | 11 |
12 #include <algorithm> | 12 #include <algorithm> |
13 | 13 |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "net/base/net_export.h" | 15 #include "net/base/net_export.h" |
16 #include "net/quic/core/quic_bug_tracker.h" | 16 #include "net/quic/core/quic_bug_tracker.h" |
17 #include "net/quic/core/quic_protocol.h" | 17 #include "net/quic/core/quic_packets.h" |
18 #include "net/quic/core/quic_time.h" | 18 #include "net/quic/core/quic_time.h" |
19 | 19 |
20 namespace net { | 20 namespace net { |
21 | 21 |
22 namespace test { | 22 namespace test { |
23 class RttStatsPeer; | 23 class RttStatsPeer; |
24 } // namespace test | 24 } // namespace test |
25 | 25 |
26 class NET_EXPORT_PRIVATE RttStats { | 26 class NET_EXPORT_PRIVATE RttStats { |
27 public: | 27 public: |
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81 // larger than the standard deviation, for a normally distributed signal. | 81 // larger than the standard deviation, for a normally distributed signal. |
82 QuicTime::Delta mean_deviation_; | 82 QuicTime::Delta mean_deviation_; |
83 int64_t initial_rtt_us_; | 83 int64_t initial_rtt_us_; |
84 | 84 |
85 DISALLOW_COPY_AND_ASSIGN(RttStats); | 85 DISALLOW_COPY_AND_ASSIGN(RttStats); |
86 }; | 86 }; |
87 | 87 |
88 } // namespace net | 88 } // namespace net |
89 | 89 |
90 #endif // NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_ | 90 #endif // NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_ |
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