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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 (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 #include "net/quic/core/congestion_control/cubic.h" 5 #include "net/quic/core/congestion_control/cubic.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <cmath> 8 #include <cmath>
9 #include <cstdint> 9 #include <cstdint>
10 10
11 #include "base/logging.h"
12 #include "net/quic/core/quic_flags.h" 11 #include "net/quic/core/quic_flags.h"
13 #include "net/quic/core/quic_packets.h" 12 #include "net/quic/core/quic_packets.h"
13 #include "net/quic/platform/api/quic_logging.h"
14 14
15 namespace net { 15 namespace net {
16 16
17 namespace { 17 namespace {
18 18
19 // Constants based on TCP defaults. 19 // Constants based on TCP defaults.
20 // The following constants are in 2^10 fractions of a second instead of ms to 20 // The following constants are in 2^10 fractions of a second instead of ms to
21 // allow a 10 shift right to divide. 21 // allow a 10 shift right to divide.
22 const int kCubeScale = 40; // 1024*1024^3 (first 1024 is from 0.100^3) 22 const int kCubeScale = 40; // 1024*1024^3 (first 1024 is from 0.100^3)
23 // where 0.100 is 100 ms which is the scaling 23 // where 0.100 is 100 ms which is the scaling
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206 206
207 // We have a new cubic congestion window. 207 // We have a new cubic congestion window.
208 last_target_congestion_window_ = target_congestion_window; 208 last_target_congestion_window_ = target_congestion_window;
209 209
210 // Compute target congestion_window based on cubic target and estimated TCP 210 // Compute target congestion_window based on cubic target and estimated TCP
211 // congestion_window, use highest (fastest). 211 // congestion_window, use highest (fastest).
212 if (target_congestion_window < estimated_tcp_congestion_window_) { 212 if (target_congestion_window < estimated_tcp_congestion_window_) {
213 target_congestion_window = estimated_tcp_congestion_window_; 213 target_congestion_window = estimated_tcp_congestion_window_;
214 } 214 }
215 215
216 DVLOG(1) << "Final target congestion_window: " << target_congestion_window; 216 QUIC_DVLOG(1) << "Final target congestion_window: "
217 << target_congestion_window;
217 return target_congestion_window; 218 return target_congestion_window;
218 } 219 }
219 220
220 } // namespace net 221 } // namespace net
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