Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 | * |
| 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 |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
Jonas Olsson | a4d8737 | 2019-07-05 19:08:33 +0200 | [diff] [blame] | 11 | #include "call/fake_network_pipe.h" |
| 12 | |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 13 | #include <string.h> |
Jonas Olsson | a4d8737 | 2019-07-05 19:08:33 +0200 | [diff] [blame] | 14 | |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 15 | #include <algorithm> |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 16 | #include <queue> |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 17 | #include <utility> |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 18 | #include <vector> |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 19 | |
Steve Anton | 10542f2 | 2019-01-11 09:11:00 -0800 | [diff] [blame] | 20 | #include "api/media_types.h" |
Sebastian Jansson | 7182286 | 2018-10-30 08:23:27 +0100 | [diff] [blame] | 21 | #include "modules/utility/include/process_thread.h" |
Yves Gerey | 3e70781 | 2018-11-28 16:47:49 +0100 | [diff] [blame] | 22 | #include "rtc_base/checks.h" |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 23 | #include "rtc_base/logging.h" |
| 24 | #include "system_wrappers/include/clock.h" |
| 25 | |
| 26 | namespace webrtc { |
| 27 | |
| 28 | namespace { |
Sebastian Jansson | 512bdce | 2018-04-23 13:15:04 +0200 | [diff] [blame] | 29 | constexpr int64_t kLogIntervalMs = 5000; |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 30 | } // namespace |
| 31 | |
| 32 | NetworkPacket::NetworkPacket(rtc::CopyOnWriteBuffer packet, |
| 33 | int64_t send_time, |
| 34 | int64_t arrival_time, |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 35 | absl::optional<PacketOptions> packet_options, |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 36 | bool is_rtcp, |
| 37 | MediaType media_type, |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 38 | absl::optional<int64_t> packet_time_us, |
| 39 | Transport* transport) |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 40 | : packet_(std::move(packet)), |
| 41 | send_time_(send_time), |
| 42 | arrival_time_(arrival_time), |
| 43 | packet_options_(packet_options), |
| 44 | is_rtcp_(is_rtcp), |
| 45 | media_type_(media_type), |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 46 | packet_time_us_(packet_time_us), |
| 47 | transport_(transport) {} |
Artem Titov | 537b7fe | 2018-08-16 11:20:45 +0200 | [diff] [blame] | 48 | |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 49 | NetworkPacket::NetworkPacket(NetworkPacket&& o) |
| 50 | : packet_(std::move(o.packet_)), |
| 51 | send_time_(o.send_time_), |
| 52 | arrival_time_(o.arrival_time_), |
| 53 | packet_options_(o.packet_options_), |
| 54 | is_rtcp_(o.is_rtcp_), |
| 55 | media_type_(o.media_type_), |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 56 | packet_time_us_(o.packet_time_us_), |
| 57 | transport_(o.transport_) {} |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 58 | |
Mirko Bonadei | ed1dcf9 | 2018-07-26 09:15:11 +0200 | [diff] [blame] | 59 | NetworkPacket::~NetworkPacket() = default; |
| 60 | |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 61 | NetworkPacket& NetworkPacket::operator=(NetworkPacket&& o) { |
| 62 | packet_ = std::move(o.packet_); |
| 63 | send_time_ = o.send_time_; |
| 64 | arrival_time_ = o.arrival_time_; |
| 65 | packet_options_ = o.packet_options_; |
| 66 | is_rtcp_ = o.is_rtcp_; |
| 67 | media_type_ = o.media_type_; |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 68 | packet_time_us_ = o.packet_time_us_; |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 69 | transport_ = o.transport_; |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 70 | |
| 71 | return *this; |
| 72 | } |
| 73 | |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 74 | FakeNetworkPipe::FakeNetworkPipe( |
| 75 | Clock* clock, |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 76 | std::unique_ptr<NetworkBehaviorInterface> network_behavior) |
| 77 | : FakeNetworkPipe(clock, std::move(network_behavior), nullptr, 1) {} |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 78 | |
| 79 | FakeNetworkPipe::FakeNetworkPipe( |
| 80 | Clock* clock, |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 81 | std::unique_ptr<NetworkBehaviorInterface> network_behavior, |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 82 | PacketReceiver* receiver) |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 83 | : FakeNetworkPipe(clock, std::move(network_behavior), receiver, 1) {} |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 84 | |
| 85 | FakeNetworkPipe::FakeNetworkPipe( |
| 86 | Clock* clock, |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 87 | std::unique_ptr<NetworkBehaviorInterface> network_behavior, |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 88 | PacketReceiver* receiver, |
| 89 | uint64_t seed) |
| 90 | : clock_(clock), |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 91 | network_behavior_(std::move(network_behavior)), |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 92 | receiver_(receiver), |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 93 | global_transport_(nullptr), |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 94 | clock_offset_ms_(0), |
| 95 | dropped_packets_(0), |
| 96 | sent_packets_(0), |
| 97 | total_packet_delay_us_(0), |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 98 | last_log_time_us_(clock_->TimeInMicroseconds()) {} |
| 99 | |
| 100 | FakeNetworkPipe::FakeNetworkPipe( |
| 101 | Clock* clock, |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 102 | std::unique_ptr<NetworkBehaviorInterface> network_behavior, |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 103 | Transport* transport) |
| 104 | : clock_(clock), |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 105 | network_behavior_(std::move(network_behavior)), |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 106 | receiver_(nullptr), |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 107 | global_transport_(transport), |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 108 | clock_offset_ms_(0), |
| 109 | dropped_packets_(0), |
| 110 | sent_packets_(0), |
| 111 | total_packet_delay_us_(0), |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 112 | last_log_time_us_(clock_->TimeInMicroseconds()) { |
| 113 | RTC_DCHECK(global_transport_); |
| 114 | AddActiveTransport(global_transport_); |
| 115 | } |
Artem Titov | b005087 | 2018-08-16 17:02:20 +0200 | [diff] [blame] | 116 | |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 117 | FakeNetworkPipe::~FakeNetworkPipe() { |
| 118 | if (global_transport_) { |
| 119 | RemoveActiveTransport(global_transport_); |
| 120 | } |
| 121 | RTC_DCHECK(active_transports_.empty()); |
| 122 | } |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 123 | |
| 124 | void FakeNetworkPipe::SetReceiver(PacketReceiver* receiver) { |
| 125 | rtc::CritScope crit(&config_lock_); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 126 | receiver_ = receiver; |
| 127 | } |
| 128 | |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 129 | void FakeNetworkPipe::AddActiveTransport(Transport* transport) { |
| 130 | rtc::CritScope crit(&config_lock_); |
| 131 | active_transports_[transport]++; |
| 132 | } |
| 133 | |
| 134 | void FakeNetworkPipe::RemoveActiveTransport(Transport* transport) { |
| 135 | rtc::CritScope crit(&config_lock_); |
| 136 | auto it = active_transports_.find(transport); |
| 137 | RTC_CHECK(it != active_transports_.end()); |
| 138 | if (--(it->second) == 0) { |
| 139 | active_transports_.erase(it); |
| 140 | } |
| 141 | } |
| 142 | |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 143 | bool FakeNetworkPipe::SendRtp(const uint8_t* packet, |
| 144 | size_t length, |
| 145 | const PacketOptions& options) { |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 146 | RTC_DCHECK(global_transport_); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 147 | EnqueuePacket(rtc::CopyOnWriteBuffer(packet, length), options, false, |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 148 | global_transport_); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 149 | return true; |
| 150 | } |
| 151 | |
| 152 | bool FakeNetworkPipe::SendRtcp(const uint8_t* packet, size_t length) { |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 153 | RTC_DCHECK(global_transport_); |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 154 | EnqueuePacket(rtc::CopyOnWriteBuffer(packet, length), absl::nullopt, true, |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 155 | global_transport_); |
| 156 | return true; |
| 157 | } |
| 158 | |
| 159 | bool FakeNetworkPipe::SendRtp(const uint8_t* packet, |
| 160 | size_t length, |
| 161 | const PacketOptions& options, |
| 162 | Transport* transport) { |
| 163 | RTC_DCHECK(transport); |
| 164 | EnqueuePacket(rtc::CopyOnWriteBuffer(packet, length), options, false, |
| 165 | transport); |
| 166 | return true; |
| 167 | } |
| 168 | |
| 169 | bool FakeNetworkPipe::SendRtcp(const uint8_t* packet, |
| 170 | size_t length, |
| 171 | Transport* transport) { |
| 172 | RTC_DCHECK(transport); |
| 173 | EnqueuePacket(rtc::CopyOnWriteBuffer(packet, length), absl::nullopt, true, |
| 174 | transport); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 175 | return true; |
| 176 | } |
| 177 | |
| 178 | PacketReceiver::DeliveryStatus FakeNetworkPipe::DeliverPacket( |
| 179 | MediaType media_type, |
| 180 | rtc::CopyOnWriteBuffer packet, |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 181 | int64_t packet_time_us) { |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 182 | return EnqueuePacket(std::move(packet), absl::nullopt, false, media_type, |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 183 | packet_time_us) |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 184 | ? PacketReceiver::DELIVERY_OK |
| 185 | : PacketReceiver::DELIVERY_PACKET_ERROR; |
| 186 | } |
| 187 | |
Sebastian Jansson | 7e85d67 | 2018-04-06 09:56:21 +0200 | [diff] [blame] | 188 | void FakeNetworkPipe::SetClockOffset(int64_t offset_ms) { |
| 189 | rtc::CritScope crit(&config_lock_); |
| 190 | clock_offset_ms_ = offset_ms; |
| 191 | } |
| 192 | |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 193 | FakeNetworkPipe::StoredPacket::StoredPacket(NetworkPacket&& packet) |
| 194 | : packet(std::move(packet)) {} |
| 195 | |
| 196 | bool FakeNetworkPipe::EnqueuePacket(rtc::CopyOnWriteBuffer packet, |
Danil Chapovalov | b9b146c | 2018-06-15 12:28:07 +0200 | [diff] [blame] | 197 | absl::optional<PacketOptions> options, |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 198 | bool is_rtcp, |
| 199 | MediaType media_type, |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 200 | absl::optional<int64_t> packet_time_us) { |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 201 | rtc::CritScope crit(&process_lock_); |
Christoffer Rodbro | 1803bb2 | 2018-10-25 12:39:49 +0200 | [diff] [blame] | 202 | int64_t time_now_us = clock_->TimeInMicroseconds(); |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 203 | return EnqueuePacket(NetworkPacket(std::move(packet), time_now_us, |
| 204 | time_now_us, options, is_rtcp, media_type, |
| 205 | packet_time_us, nullptr)); |
| 206 | } |
| 207 | |
| 208 | bool FakeNetworkPipe::EnqueuePacket(rtc::CopyOnWriteBuffer packet, |
| 209 | absl::optional<PacketOptions> options, |
| 210 | bool is_rtcp, |
| 211 | Transport* transport) { |
| 212 | rtc::CritScope crit(&process_lock_); |
| 213 | int64_t time_now_us = clock_->TimeInMicroseconds(); |
| 214 | return EnqueuePacket(NetworkPacket(std::move(packet), time_now_us, |
| 215 | time_now_us, options, is_rtcp, |
| 216 | MediaType::ANY, absl::nullopt, transport)); |
| 217 | } |
| 218 | |
| 219 | bool FakeNetworkPipe::EnqueuePacket(NetworkPacket&& net_packet) { |
| 220 | int64_t send_time_us = net_packet.send_time(); |
| 221 | size_t packet_size = net_packet.data_length(); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 222 | |
| 223 | packets_in_flight_.emplace_back(StoredPacket(std::move(net_packet))); |
| 224 | int64_t packet_id = reinterpret_cast<uint64_t>(&packets_in_flight_.back()); |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 225 | bool sent = network_behavior_->EnqueuePacket( |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 226 | PacketInFlightInfo(packet_size, send_time_us, packet_id)); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 227 | |
| 228 | if (!sent) { |
| 229 | packets_in_flight_.pop_back(); |
| 230 | ++dropped_packets_; |
| 231 | } |
| 232 | return sent; |
| 233 | } |
| 234 | |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 235 | float FakeNetworkPipe::PercentageLoss() { |
| 236 | rtc::CritScope crit(&process_lock_); |
| 237 | if (sent_packets_ == 0) |
| 238 | return 0; |
| 239 | |
| 240 | return static_cast<float>(dropped_packets_) / |
| 241 | (sent_packets_ + dropped_packets_); |
| 242 | } |
| 243 | |
| 244 | int FakeNetworkPipe::AverageDelay() { |
| 245 | rtc::CritScope crit(&process_lock_); |
| 246 | if (sent_packets_ == 0) |
| 247 | return 0; |
| 248 | |
Sebastian Jansson | 512bdce | 2018-04-23 13:15:04 +0200 | [diff] [blame] | 249 | return static_cast<int>(total_packet_delay_us_ / |
| 250 | (1000 * static_cast<int64_t>(sent_packets_))); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | size_t FakeNetworkPipe::DroppedPackets() { |
| 254 | rtc::CritScope crit(&process_lock_); |
| 255 | return dropped_packets_; |
| 256 | } |
| 257 | |
| 258 | size_t FakeNetworkPipe::SentPackets() { |
| 259 | rtc::CritScope crit(&process_lock_); |
| 260 | return sent_packets_; |
| 261 | } |
| 262 | |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 263 | void FakeNetworkPipe::Process() { |
Christoffer Rodbro | 1803bb2 | 2018-10-25 12:39:49 +0200 | [diff] [blame] | 264 | int64_t time_now_us; |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 265 | std::queue<NetworkPacket> packets_to_deliver; |
| 266 | { |
| 267 | rtc::CritScope crit(&process_lock_); |
Christoffer Rodbro | 1803bb2 | 2018-10-25 12:39:49 +0200 | [diff] [blame] | 268 | time_now_us = clock_->TimeInMicroseconds(); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 269 | if (time_now_us - last_log_time_us_ > kLogIntervalMs * 1000) { |
| 270 | int64_t queueing_delay_us = 0; |
| 271 | if (!packets_in_flight_.empty()) |
| 272 | queueing_delay_us = |
| 273 | time_now_us - packets_in_flight_.front().packet.send_time(); |
| 274 | |
| 275 | RTC_LOG(LS_INFO) << "Network queue: " << queueing_delay_us / 1000 |
| 276 | << " ms."; |
| 277 | last_log_time_us_ = time_now_us; |
| 278 | } |
| 279 | |
| 280 | std::vector<PacketDeliveryInfo> delivery_infos = |
Artem Titov | 8ea1e9d | 2018-10-04 14:46:31 +0200 | [diff] [blame] | 281 | network_behavior_->DequeueDeliverablePackets(time_now_us); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 282 | for (auto& delivery_info : delivery_infos) { |
| 283 | // In the common case where no reordering happens, find will return early |
| 284 | // as the first packet will be a match. |
| 285 | auto packet_it = |
| 286 | std::find_if(packets_in_flight_.begin(), packets_in_flight_.end(), |
| 287 | [&delivery_info](StoredPacket& packet_ref) { |
| 288 | return reinterpret_cast<uint64_t>(&packet_ref) == |
| 289 | delivery_info.packet_id; |
| 290 | }); |
| 291 | // Check that the packet is in the deque of packets in flight. |
| 292 | RTC_CHECK(packet_it != packets_in_flight_.end()); |
| 293 | // Check that the packet is not already removed. |
| 294 | RTC_DCHECK(!packet_it->removed); |
| 295 | |
| 296 | NetworkPacket packet = std::move(packet_it->packet); |
| 297 | packet_it->removed = true; |
| 298 | |
| 299 | // Cleanup of removed packets at the beginning of the deque. |
| 300 | while (!packets_in_flight_.empty() && |
| 301 | packets_in_flight_.front().removed) { |
| 302 | packets_in_flight_.pop_front(); |
| 303 | } |
| 304 | |
| 305 | if (delivery_info.receive_time_us != PacketDeliveryInfo::kNotReceived) { |
| 306 | int64_t added_delay_us = |
| 307 | delivery_info.receive_time_us - packet.send_time(); |
| 308 | packet.IncrementArrivalTime(added_delay_us); |
| 309 | packets_to_deliver.emplace(std::move(packet)); |
| 310 | // |time_now_us| might be later than when the packet should have |
| 311 | // arrived, due to NetworkProcess being called too late. For stats, use |
| 312 | // the time it should have been on the link. |
| 313 | total_packet_delay_us_ += added_delay_us; |
Christoffer Rodbro | 3284b61 | 2018-10-23 16:51:51 +0200 | [diff] [blame] | 314 | ++sent_packets_; |
| 315 | } else { |
| 316 | ++dropped_packets_; |
Sebastian Jansson | 7ee2e25 | 2018-05-07 14:49:39 +0200 | [diff] [blame] | 317 | } |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 318 | } |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | rtc::CritScope crit(&config_lock_); |
| 322 | while (!packets_to_deliver.empty()) { |
| 323 | NetworkPacket packet = std::move(packets_to_deliver.front()); |
| 324 | packets_to_deliver.pop(); |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 325 | DeliverNetworkPacket(&packet); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 326 | } |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 327 | } |
| 328 | |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 329 | void FakeNetworkPipe::DeliverNetworkPacket(NetworkPacket* packet) { |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 330 | Transport* transport = packet->transport(); |
| 331 | if (transport) { |
Sebastian Jansson | a44ab18 | 2018-04-06 12:59:14 +0200 | [diff] [blame] | 332 | RTC_DCHECK(!receiver_); |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 333 | if (active_transports_.find(transport) == active_transports_.end()) { |
| 334 | // Transport has been destroyed, ignore this packet. |
| 335 | return; |
| 336 | } |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 337 | if (packet->is_rtcp()) { |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 338 | transport->SendRtcp(packet->data(), packet->data_length()); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 339 | } else { |
Erik Språng | eea605d | 2019-08-12 15:56:51 +0200 | [diff] [blame] | 340 | transport->SendRtp(packet->data(), packet->data_length(), |
| 341 | packet->packet_options()); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 342 | } |
Sebastian Jansson | 0940811 | 2018-04-24 14:41:22 +0200 | [diff] [blame] | 343 | } else if (receiver_) { |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 344 | int64_t packet_time_us = packet->packet_time_us().value_or(-1); |
| 345 | if (packet_time_us != -1) { |
Sebastian Jansson | 512bdce | 2018-04-23 13:15:04 +0200 | [diff] [blame] | 346 | int64_t queue_time_us = packet->arrival_time() - packet->send_time(); |
| 347 | RTC_CHECK(queue_time_us >= 0); |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 348 | packet_time_us += queue_time_us; |
| 349 | packet_time_us += (clock_offset_ms_ * 1000); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 350 | } |
Sebastian Jansson | 0940811 | 2018-04-24 14:41:22 +0200 | [diff] [blame] | 351 | receiver_->DeliverPacket(packet->media_type(), |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 352 | std::move(*packet->raw_packet()), packet_time_us); |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 353 | } |
| 354 | } |
| 355 | |
Sebastian Jansson | 836fee1 | 2019-02-08 16:08:10 +0100 | [diff] [blame] | 356 | absl::optional<int64_t> FakeNetworkPipe::TimeUntilNextProcess() { |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 357 | rtc::CritScope crit(&process_lock_); |
Sebastian Jansson | 7182286 | 2018-10-30 08:23:27 +0100 | [diff] [blame] | 358 | absl::optional<int64_t> delivery_us = network_behavior_->NextDeliveryTimeUs(); |
| 359 | if (delivery_us) { |
| 360 | int64_t delay_us = *delivery_us - clock_->TimeInMicroseconds(); |
| 361 | return std::max<int64_t>((delay_us + 500) / 1000, 0); |
| 362 | } |
Sebastian Jansson | 836fee1 | 2019-02-08 16:08:10 +0100 | [diff] [blame] | 363 | return absl::nullopt; |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 364 | } |
| 365 | |
Sebastian Jansson | 0940811 | 2018-04-24 14:41:22 +0200 | [diff] [blame] | 366 | bool FakeNetworkPipe::HasReceiver() const { |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 367 | rtc::CritScope crit(&config_lock_); |
Sebastian Jansson | 0940811 | 2018-04-24 14:41:22 +0200 | [diff] [blame] | 368 | return receiver_ != nullptr; |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 369 | } |
| 370 | |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 14:34:01 +0100 | [diff] [blame] | 371 | void FakeNetworkPipe::DeliverPacketWithLock(NetworkPacket* packet) { |
| 372 | rtc::CritScope crit(&config_lock_); |
Niels Möller | 7008287 | 2018-08-07 11:03:12 +0200 | [diff] [blame] | 373 | DeliverNetworkPacket(packet); |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 14:34:01 +0100 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | void FakeNetworkPipe::ResetStats() { |
| 377 | rtc::CritScope crit(&process_lock_); |
| 378 | dropped_packets_ = 0; |
| 379 | sent_packets_ = 0; |
Sebastian Jansson | 512bdce | 2018-04-23 13:15:04 +0200 | [diff] [blame] | 380 | total_packet_delay_us_ = 0; |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 14:34:01 +0100 | [diff] [blame] | 381 | } |
| 382 | |
Sebastian Jansson | 512bdce | 2018-04-23 13:15:04 +0200 | [diff] [blame] | 383 | int64_t FakeNetworkPipe::GetTimeInMicroseconds() const { |
| 384 | return clock_->TimeInMicroseconds(); |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 14:34:01 +0100 | [diff] [blame] | 385 | } |
| 386 | |
Erik Språng | 0970851 | 2018-03-14 15:16:50 +0100 | [diff] [blame] | 387 | } // namespace webrtc |