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Issue 2611613003: Add quic_logging (Closed)
Patch Set: fix failed test? Created 3 years, 11 months ago
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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 #include "net/quic/core/quic_sustained_bandwidth_recorder.h" 5 #include "net/quic/core/quic_sustained_bandwidth_recorder.h"
6 6
7 #include "base/logging.h"
8 #include "net/quic/core/quic_bandwidth.h" 7 #include "net/quic/core/quic_bandwidth.h"
9 #include "net/quic/core/quic_time.h" 8 #include "net/quic/core/quic_time.h"
9 #include "net/quic/platform/api/quic_logging.h"
10 10
11 namespace net { 11 namespace net {
12 12
13 QuicSustainedBandwidthRecorder::QuicSustainedBandwidthRecorder() 13 QuicSustainedBandwidthRecorder::QuicSustainedBandwidthRecorder()
14 : has_estimate_(false), 14 : has_estimate_(false),
15 is_recording_(false), 15 is_recording_(false),
16 bandwidth_estimate_recorded_during_slow_start_(false), 16 bandwidth_estimate_recorded_during_slow_start_(false),
17 bandwidth_estimate_(QuicBandwidth::Zero()), 17 bandwidth_estimate_(QuicBandwidth::Zero()),
18 max_bandwidth_estimate_(QuicBandwidth::Zero()), 18 max_bandwidth_estimate_(QuicBandwidth::Zero()),
19 max_bandwidth_timestamp_(0), 19 max_bandwidth_timestamp_(0),
20 start_time_(QuicTime::Zero()) {} 20 start_time_(QuicTime::Zero()) {}
21 21
22 void QuicSustainedBandwidthRecorder::RecordEstimate(bool in_recovery, 22 void QuicSustainedBandwidthRecorder::RecordEstimate(bool in_recovery,
23 bool in_slow_start, 23 bool in_slow_start,
24 QuicBandwidth bandwidth, 24 QuicBandwidth bandwidth,
25 QuicTime estimate_time, 25 QuicTime estimate_time,
26 QuicWallTime wall_time, 26 QuicWallTime wall_time,
27 QuicTime::Delta srtt) { 27 QuicTime::Delta srtt) {
28 if (in_recovery) { 28 if (in_recovery) {
29 is_recording_ = false; 29 is_recording_ = false;
30 DVLOG(1) << "Stopped recording at: " << estimate_time.ToDebuggingValue(); 30 QUIC_DVLOG(1) << "Stopped recording at: "
31 << estimate_time.ToDebuggingValue();
31 return; 32 return;
32 } 33 }
33 34
34 if (!is_recording_) { 35 if (!is_recording_) {
35 // This is the first estimate of a new recording period. 36 // This is the first estimate of a new recording period.
36 start_time_ = estimate_time; 37 start_time_ = estimate_time;
37 is_recording_ = true; 38 is_recording_ = true;
38 DVLOG(1) << "Started recording at: " << start_time_.ToDebuggingValue(); 39 QUIC_DVLOG(1) << "Started recording at: " << start_time_.ToDebuggingValue();
39 return; 40 return;
40 } 41 }
41 42
42 // If we have been recording for at least 3 * srtt, then record the latest 43 // If we have been recording for at least 3 * srtt, then record the latest
43 // bandwidth estimate as a valid sustained bandwidth estimate. 44 // bandwidth estimate as a valid sustained bandwidth estimate.
44 if (estimate_time - start_time_ >= 3 * srtt) { 45 if (estimate_time - start_time_ >= 3 * srtt) {
45 has_estimate_ = true; 46 has_estimate_ = true;
46 bandwidth_estimate_recorded_during_slow_start_ = in_slow_start; 47 bandwidth_estimate_recorded_during_slow_start_ = in_slow_start;
47 bandwidth_estimate_ = bandwidth; 48 bandwidth_estimate_ = bandwidth;
48 DVLOG(1) << "New sustained bandwidth estimate (KBytes/s): " 49 QUIC_DVLOG(1) << "New sustained bandwidth estimate (KBytes/s): "
49 << bandwidth_estimate_.ToKBytesPerSecond(); 50 << bandwidth_estimate_.ToKBytesPerSecond();
50 } 51 }
51 52
52 // Check for an increase in max bandwidth. 53 // Check for an increase in max bandwidth.
53 if (bandwidth > max_bandwidth_estimate_) { 54 if (bandwidth > max_bandwidth_estimate_) {
54 max_bandwidth_estimate_ = bandwidth; 55 max_bandwidth_estimate_ = bandwidth;
55 max_bandwidth_timestamp_ = wall_time.ToUNIXSeconds(); 56 max_bandwidth_timestamp_ = wall_time.ToUNIXSeconds();
56 DVLOG(1) << "New max bandwidth estimate (KBytes/s): " 57 QUIC_DVLOG(1) << "New max bandwidth estimate (KBytes/s): "
57 << max_bandwidth_estimate_.ToKBytesPerSecond(); 58 << max_bandwidth_estimate_.ToKBytesPerSecond();
58 } 59 }
59 } 60 }
60 61
61 } // namespace net 62 } // namespace net
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