Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(456)

Side by Side Diff: webrtc/test/fake_network_pipe.cc

Issue 2703393002: Revert of Fixes a bug where a video stream can get stuck in the suspended state. (Closed)
Patch Set: Created 3 years, 10 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 | « webrtc/test/encoder_settings.cc ('k') | no next file » | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 /* 1 /*
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
(...skipping 15 matching lines...) Expand all
26 FakeNetworkPipe::FakeNetworkPipe(Clock* clock, 26 FakeNetworkPipe::FakeNetworkPipe(Clock* clock,
27 const FakeNetworkPipe::Config& config) 27 const FakeNetworkPipe::Config& config)
28 : FakeNetworkPipe(clock, config, 1) {} 28 : FakeNetworkPipe(clock, config, 1) {}
29 29
30 FakeNetworkPipe::FakeNetworkPipe(Clock* clock, 30 FakeNetworkPipe::FakeNetworkPipe(Clock* clock,
31 const FakeNetworkPipe::Config& config, 31 const FakeNetworkPipe::Config& config,
32 uint64_t seed) 32 uint64_t seed)
33 : clock_(clock), 33 : clock_(clock),
34 packet_receiver_(NULL), 34 packet_receiver_(NULL),
35 random_(seed), 35 random_(seed),
36 config_(), 36 config_(config),
37 dropped_packets_(0), 37 dropped_packets_(0),
38 sent_packets_(0), 38 sent_packets_(0),
39 total_packet_delay_(0), 39 total_packet_delay_(0),
40 bursting_(false), 40 bursting_(false),
41 next_process_time_(clock_->TimeInMilliseconds()), 41 next_process_time_(clock_->TimeInMilliseconds()),
42 last_log_time_(clock_->TimeInMilliseconds()) { 42 last_log_time_(clock_->TimeInMilliseconds()) {
43 SetConfig(config);
44 }
45
46 FakeNetworkPipe::~FakeNetworkPipe() {
47 while (!capacity_link_.empty()) {
48 delete capacity_link_.front();
49 capacity_link_.pop();
50 }
51 while (!delay_link_.empty()) {
52 delete *delay_link_.begin();
53 delay_link_.erase(delay_link_.begin());
54 }
55 }
56
57 void FakeNetworkPipe::SetReceiver(PacketReceiver* receiver) {
58 packet_receiver_ = receiver;
59 }
60
61 void FakeNetworkPipe::SetConfig(const FakeNetworkPipe::Config& config) {
62 rtc::CritScope crit(&lock_);
63 config_ = config; // Shallow copy of the struct.
64 double prob_loss = config.loss_percent / 100.0; 43 double prob_loss = config.loss_percent / 100.0;
65 if (config_.avg_burst_loss_length == -1) { 44 if (config_.avg_burst_loss_length == -1) {
66 // Uniform loss 45 // Uniform loss
67 prob_loss_bursting_ = prob_loss; 46 prob_loss_bursting_ = prob_loss;
68 prob_start_bursting_ = prob_loss; 47 prob_start_bursting_ = prob_loss;
69 } else { 48 } else {
70 // Lose packets according to a gilbert-elliot model. 49 // Lose packets according to a gilbert-elliot model.
71 int avg_burst_loss_length = config.avg_burst_loss_length; 50 int avg_burst_loss_length = config.avg_burst_loss_length;
72 int min_avg_burst_loss_length = std::ceil(prob_loss / (1 - prob_loss)); 51 int min_avg_burst_loss_length = std::ceil(prob_loss / (1 - prob_loss));
73 52
74 RTC_CHECK_GT(avg_burst_loss_length, min_avg_burst_loss_length) 53 RTC_CHECK_GT(avg_burst_loss_length, min_avg_burst_loss_length)
75 << "For a total packet loss of " << config.loss_percent << "%% then" 54 << "For a total packet loss of " << config.loss_percent << "%% then"
76 << " avg_burst_loss_length must be " << min_avg_burst_loss_length + 1 55 << " avg_burst_loss_length must be " << min_avg_burst_loss_length + 1
77 << " or higher."; 56 << " or higher.";
78 57
79 prob_loss_bursting_ = (1.0 - 1.0 / avg_burst_loss_length); 58 prob_loss_bursting_ = (1.0 - 1.0 / avg_burst_loss_length);
80 prob_start_bursting_ = prob_loss / (1 - prob_loss) / avg_burst_loss_length; 59 prob_start_bursting_ = prob_loss / (1 - prob_loss) / avg_burst_loss_length;
81 } 60 }
82 } 61 }
83 62
63 FakeNetworkPipe::~FakeNetworkPipe() {
64 while (!capacity_link_.empty()) {
65 delete capacity_link_.front();
66 capacity_link_.pop();
67 }
68 while (!delay_link_.empty()) {
69 delete *delay_link_.begin();
70 delay_link_.erase(delay_link_.begin());
71 }
72 }
73
74 void FakeNetworkPipe::SetReceiver(PacketReceiver* receiver) {
75 packet_receiver_ = receiver;
76 }
77
78 void FakeNetworkPipe::SetConfig(const FakeNetworkPipe::Config& config) {
79 rtc::CritScope crit(&lock_);
80 config_ = config; // Shallow copy of the struct.
81 }
82
84 void FakeNetworkPipe::SendPacket(const uint8_t* data, size_t data_length) { 83 void FakeNetworkPipe::SendPacket(const uint8_t* data, size_t data_length) {
85 // A NULL packet_receiver_ means that this pipe will terminate the flow of 84 // A NULL packet_receiver_ means that this pipe will terminate the flow of
86 // packets. 85 // packets.
87 if (packet_receiver_ == NULL) 86 if (packet_receiver_ == NULL)
88 return; 87 return;
89 rtc::CritScope crit(&lock_); 88 rtc::CritScope crit(&lock_);
90 if (config_.queue_length_packets > 0 && 89 if (config_.queue_length_packets > 0 &&
91 capacity_link_.size() >= config_.queue_length_packets) { 90 capacity_link_.size() >= config_.queue_length_packets) {
92 // Too many packet on the link, drop this one. 91 // Too many packet on the link, drop this one.
93 ++dropped_packets_; 92 ++dropped_packets_;
(...skipping 112 matching lines...) Expand 10 before | Expand all | Expand 10 after
206 int64_t FakeNetworkPipe::TimeUntilNextProcess() const { 205 int64_t FakeNetworkPipe::TimeUntilNextProcess() const {
207 rtc::CritScope crit(&lock_); 206 rtc::CritScope crit(&lock_);
208 const int64_t kDefaultProcessIntervalMs = 5; 207 const int64_t kDefaultProcessIntervalMs = 5;
209 if (capacity_link_.empty() || delay_link_.empty()) 208 if (capacity_link_.empty() || delay_link_.empty())
210 return kDefaultProcessIntervalMs; 209 return kDefaultProcessIntervalMs;
211 return std::max<int64_t>(next_process_time_ - clock_->TimeInMilliseconds(), 210 return std::max<int64_t>(next_process_time_ - clock_->TimeInMilliseconds(),
212 0); 211 0);
213 } 212 }
214 213
215 } // namespace webrtc 214 } // namespace webrtc
OLDNEW
« no previous file with comments | « webrtc/test/encoder_settings.cc ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698