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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 #ifndef NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ | 5 #ifndef NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ |
6 #define NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ | 6 #define NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include "base/logging.h" | 10 #include "base/logging.h" |
| 11 #include "base/macros.h" |
9 #include "net/quic/quic_bandwidth.h" | 12 #include "net/quic/quic_bandwidth.h" |
10 #include "net/quic/quic_time.h" | 13 #include "net/quic/quic_time.h" |
11 | 14 |
12 namespace net { | 15 namespace net { |
13 | 16 |
14 namespace test { | 17 namespace test { |
15 class QuicSustainedBandwidthRecorderPeer; | 18 class QuicSustainedBandwidthRecorderPeer; |
16 } // namespace test | 19 } // namespace test |
17 | 20 |
18 // This class keeps track of a sustained bandwidth estimate to ultimately send | 21 // This class keeps track of a sustained bandwidth estimate to ultimately send |
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39 QuicBandwidth BandwidthEstimate() const { | 42 QuicBandwidth BandwidthEstimate() const { |
40 DCHECK(has_estimate_); | 43 DCHECK(has_estimate_); |
41 return bandwidth_estimate_; | 44 return bandwidth_estimate_; |
42 } | 45 } |
43 | 46 |
44 QuicBandwidth MaxBandwidthEstimate() const { | 47 QuicBandwidth MaxBandwidthEstimate() const { |
45 DCHECK(has_estimate_); | 48 DCHECK(has_estimate_); |
46 return max_bandwidth_estimate_; | 49 return max_bandwidth_estimate_; |
47 } | 50 } |
48 | 51 |
49 int64 MaxBandwidthTimestamp() const { | 52 int64_t MaxBandwidthTimestamp() const { |
50 DCHECK(has_estimate_); | 53 DCHECK(has_estimate_); |
51 return max_bandwidth_timestamp_; | 54 return max_bandwidth_timestamp_; |
52 } | 55 } |
53 | 56 |
54 bool EstimateRecordedDuringSlowStart() const { | 57 bool EstimateRecordedDuringSlowStart() const { |
55 DCHECK(has_estimate_); | 58 DCHECK(has_estimate_); |
56 return bandwidth_estimate_recorded_during_slow_start_; | 59 return bandwidth_estimate_recorded_during_slow_start_; |
57 } | 60 } |
58 | 61 |
59 private: | 62 private: |
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70 // slow start. | 73 // slow start. |
71 bool bandwidth_estimate_recorded_during_slow_start_; | 74 bool bandwidth_estimate_recorded_during_slow_start_; |
72 | 75 |
73 // The latest sustained bandwidth estimate. | 76 // The latest sustained bandwidth estimate. |
74 QuicBandwidth bandwidth_estimate_; | 77 QuicBandwidth bandwidth_estimate_; |
75 | 78 |
76 // The maximum sustained bandwidth seen over the lifetime of the connection. | 79 // The maximum sustained bandwidth seen over the lifetime of the connection. |
77 QuicBandwidth max_bandwidth_estimate_; | 80 QuicBandwidth max_bandwidth_estimate_; |
78 | 81 |
79 // Timestamp indicating when the max_bandwidth_estimate_ was seen. | 82 // Timestamp indicating when the max_bandwidth_estimate_ was seen. |
80 int64 max_bandwidth_timestamp_; | 83 int64_t max_bandwidth_timestamp_; |
81 | 84 |
82 // Timestamp marking the beginning of the latest recording period. | 85 // Timestamp marking the beginning of the latest recording period. |
83 QuicTime start_time_; | 86 QuicTime start_time_; |
84 | 87 |
85 DISALLOW_COPY_AND_ASSIGN(QuicSustainedBandwidthRecorder); | 88 DISALLOW_COPY_AND_ASSIGN(QuicSustainedBandwidthRecorder); |
86 }; | 89 }; |
87 | 90 |
88 } // namespace net | 91 } // namespace net |
89 | 92 |
90 #endif // NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ | 93 #endif // NET_QUIC_QUIC_SUSTAINED_BANDWIDTH_RECORDER_H_ |
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