Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(108)

Side by Side Diff: net/quic/core/quic_sustained_bandwidth_recorder.cc

Issue 2631613002: Revert of Add quic_logging (Closed)
Patch Set: Created 3 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « net/quic/core/quic_sustained_bandwidth_recorder.h ('k') | net/quic/core/quic_time.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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"
7 #include "net/quic/core/quic_bandwidth.h" 8 #include "net/quic/core/quic_bandwidth.h"
8 #include "net/quic/core/quic_time.h" 9 #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 QUIC_DVLOG(1) << "Stopped recording at: " 30 DVLOG(1) << "Stopped recording at: " << estimate_time.ToDebuggingValue();
31 << estimate_time.ToDebuggingValue();
32 return; 31 return;
33 } 32 }
34 33
35 if (!is_recording_) { 34 if (!is_recording_) {
36 // This is the first estimate of a new recording period. 35 // This is the first estimate of a new recording period.
37 start_time_ = estimate_time; 36 start_time_ = estimate_time;
38 is_recording_ = true; 37 is_recording_ = true;
39 QUIC_DVLOG(1) << "Started recording at: " << start_time_.ToDebuggingValue(); 38 DVLOG(1) << "Started recording at: " << start_time_.ToDebuggingValue();
40 return; 39 return;
41 } 40 }
42 41
43 // If we have been recording for at least 3 * srtt, then record the latest 42 // If we have been recording for at least 3 * srtt, then record the latest
44 // bandwidth estimate as a valid sustained bandwidth estimate. 43 // bandwidth estimate as a valid sustained bandwidth estimate.
45 if (estimate_time - start_time_ >= 3 * srtt) { 44 if (estimate_time - start_time_ >= 3 * srtt) {
46 has_estimate_ = true; 45 has_estimate_ = true;
47 bandwidth_estimate_recorded_during_slow_start_ = in_slow_start; 46 bandwidth_estimate_recorded_during_slow_start_ = in_slow_start;
48 bandwidth_estimate_ = bandwidth; 47 bandwidth_estimate_ = bandwidth;
49 QUIC_DVLOG(1) << "New sustained bandwidth estimate (KBytes/s): " 48 DVLOG(1) << "New sustained bandwidth estimate (KBytes/s): "
50 << bandwidth_estimate_.ToKBytesPerSecond(); 49 << bandwidth_estimate_.ToKBytesPerSecond();
51 } 50 }
52 51
53 // Check for an increase in max bandwidth. 52 // Check for an increase in max bandwidth.
54 if (bandwidth > max_bandwidth_estimate_) { 53 if (bandwidth > max_bandwidth_estimate_) {
55 max_bandwidth_estimate_ = bandwidth; 54 max_bandwidth_estimate_ = bandwidth;
56 max_bandwidth_timestamp_ = wall_time.ToUNIXSeconds(); 55 max_bandwidth_timestamp_ = wall_time.ToUNIXSeconds();
57 QUIC_DVLOG(1) << "New max bandwidth estimate (KBytes/s): " 56 DVLOG(1) << "New max bandwidth estimate (KBytes/s): "
58 << max_bandwidth_estimate_.ToKBytesPerSecond(); 57 << max_bandwidth_estimate_.ToKBytesPerSecond();
59 } 58 }
60 } 59 }
61 60
62 } // namespace net 61 } // namespace net
OLDNEW
« no previous file with comments | « net/quic/core/quic_sustained_bandwidth_recorder.h ('k') | net/quic/core/quic_time.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698