Erik Språng | 0970851 | 2018-03-14 14:16:50 | [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 17:08:33 | [diff] [blame] | 11 | #include "call/fake_network_pipe.h" |
| 12 | |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 13 | #include <string.h> |
Jonas Olsson | a4d8737 | 2019-07-05 17:08:33 | [diff] [blame] | 14 | |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 15 | #include <algorithm> |
Yves Gerey | 3e70781 | 2018-11-28 15:47:49 | [diff] [blame] | 16 | #include <queue> |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 17 | #include <utility> |
Yves Gerey | 3e70781 | 2018-11-28 15:47:49 | [diff] [blame] | 18 | #include <vector> |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 19 | |
Steve Anton | 10542f2 | 2019-01-11 17:11:00 | [diff] [blame] | 20 | #include "api/media_types.h" |
Per K | bc31902 | 2023-01-09 20:44:56 | [diff] [blame] | 21 | #include "api/units/timestamp.h" |
| 22 | #include "modules/rtp_rtcp/source/rtp_packet_received.h" |
Yves Gerey | 3e70781 | 2018-11-28 15:47:49 | [diff] [blame] | 23 | #include "rtc_base/checks.h" |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 24 | #include "rtc_base/logging.h" |
| 25 | #include "system_wrappers/include/clock.h" |
| 26 | |
| 27 | namespace webrtc { |
| 28 | |
| 29 | namespace { |
Sebastian Jansson | 512bdce | 2018-04-23 11:15:04 | [diff] [blame] | 30 | constexpr int64_t kLogIntervalMs = 5000; |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 31 | } // namespace |
| 32 | |
| 33 | NetworkPacket::NetworkPacket(rtc::CopyOnWriteBuffer packet, |
| 34 | int64_t send_time, |
| 35 | int64_t arrival_time, |
Danil Chapovalov | b9b146c | 2018-06-15 10:28:07 | [diff] [blame] | 36 | absl::optional<PacketOptions> packet_options, |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 37 | bool is_rtcp, |
| 38 | MediaType media_type, |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 39 | absl::optional<int64_t> packet_time_us, |
| 40 | Transport* transport) |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 41 | : packet_(std::move(packet)), |
| 42 | send_time_(send_time), |
| 43 | arrival_time_(arrival_time), |
| 44 | packet_options_(packet_options), |
| 45 | is_rtcp_(is_rtcp), |
| 46 | media_type_(media_type), |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 47 | packet_time_us_(packet_time_us), |
| 48 | transport_(transport) {} |
Artem Titov | 537b7fe | 2018-08-16 09:20:45 | [diff] [blame] | 49 | |
Per K | bc31902 | 2023-01-09 20:44:56 | [diff] [blame] | 50 | NetworkPacket::NetworkPacket(RtpPacketReceived packet_received, |
| 51 | MediaType media_type, |
| 52 | int64_t send_time, |
| 53 | int64_t arrival_time) |
| 54 | : packet_(packet_received.Buffer()), |
| 55 | send_time_(send_time), |
| 56 | arrival_time_(arrival_time), |
| 57 | is_rtcp_(false), |
| 58 | media_type_(media_type), |
| 59 | packet_time_us_(packet_received.arrival_time().us()), |
| 60 | packet_received_(std::move(packet_received)), |
| 61 | transport_(nullptr) {} |
| 62 | |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 63 | NetworkPacket::NetworkPacket(NetworkPacket&& o) |
| 64 | : packet_(std::move(o.packet_)), |
| 65 | send_time_(o.send_time_), |
| 66 | arrival_time_(o.arrival_time_), |
| 67 | packet_options_(o.packet_options_), |
| 68 | is_rtcp_(o.is_rtcp_), |
| 69 | media_type_(o.media_type_), |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 70 | packet_time_us_(o.packet_time_us_), |
Per K | bc31902 | 2023-01-09 20:44:56 | [diff] [blame] | 71 | packet_received_(std::move(o.packet_received_)), |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 72 | transport_(o.transport_) {} |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 73 | |
Mirko Bonadei | ed1dcf9 | 2018-07-26 07:15:11 | [diff] [blame] | 74 | NetworkPacket::~NetworkPacket() = default; |
| 75 | |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 76 | NetworkPacket& NetworkPacket::operator=(NetworkPacket&& o) { |
| 77 | packet_ = std::move(o.packet_); |
| 78 | send_time_ = o.send_time_; |
| 79 | arrival_time_ = o.arrival_time_; |
| 80 | packet_options_ = o.packet_options_; |
| 81 | is_rtcp_ = o.is_rtcp_; |
| 82 | media_type_ = o.media_type_; |
Niels Möller | 7008287 | 2018-08-07 09:03:12 | [diff] [blame] | 83 | packet_time_us_ = o.packet_time_us_; |
Per K | bc31902 | 2023-01-09 20:44:56 | [diff] [blame] | 84 | packet_received_ = o.packet_received_; |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 85 | transport_ = o.transport_; |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 86 | |
| 87 | return *this; |
| 88 | } |
| 89 | |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 90 | FakeNetworkPipe::FakeNetworkPipe( |
| 91 | Clock* clock, |
Artem Titov | 8ea1e9d | 2018-10-04 12:46:31 | [diff] [blame] | 92 | std::unique_ptr<NetworkBehaviorInterface> network_behavior) |
| 93 | : FakeNetworkPipe(clock, std::move(network_behavior), nullptr, 1) {} |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 94 | |
| 95 | FakeNetworkPipe::FakeNetworkPipe( |
| 96 | Clock* clock, |
Artem Titov | 8ea1e9d | 2018-10-04 12:46:31 | [diff] [blame] | 97 | std::unique_ptr<NetworkBehaviorInterface> network_behavior, |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 98 | PacketReceiver* receiver) |
Artem Titov | 8ea1e9d | 2018-10-04 12:46:31 | [diff] [blame] | 99 | : FakeNetworkPipe(clock, std::move(network_behavior), receiver, 1) {} |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 100 | |
| 101 | FakeNetworkPipe::FakeNetworkPipe( |
| 102 | Clock* clock, |
Artem Titov | 8ea1e9d | 2018-10-04 12:46:31 | [diff] [blame] | 103 | std::unique_ptr<NetworkBehaviorInterface> network_behavior, |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 104 | PacketReceiver* receiver, |
| 105 | uint64_t seed) |
| 106 | : clock_(clock), |
Artem Titov | 8ea1e9d | 2018-10-04 12:46:31 | [diff] [blame] | 107 | network_behavior_(std::move(network_behavior)), |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 108 | receiver_(receiver), |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 109 | clock_offset_ms_(0), |
| 110 | dropped_packets_(0), |
| 111 | sent_packets_(0), |
| 112 | total_packet_delay_us_(0), |
Artem Titov | b005087 | 2018-08-16 15:02:20 | [diff] [blame] | 113 | last_log_time_us_(clock_->TimeInMicroseconds()) {} |
| 114 | |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 115 | FakeNetworkPipe::~FakeNetworkPipe() { |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 116 | RTC_DCHECK(active_transports_.empty()); |
| 117 | } |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 118 | |
| 119 | void FakeNetworkPipe::SetReceiver(PacketReceiver* receiver) { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 120 | MutexLock lock(&config_lock_); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 121 | receiver_ = receiver; |
| 122 | } |
| 123 | |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 124 | void FakeNetworkPipe::AddActiveTransport(Transport* transport) { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 125 | MutexLock lock(&config_lock_); |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 126 | active_transports_[transport]++; |
| 127 | } |
| 128 | |
| 129 | void FakeNetworkPipe::RemoveActiveTransport(Transport* transport) { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 130 | MutexLock lock(&config_lock_); |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 131 | auto it = active_transports_.find(transport); |
| 132 | RTC_CHECK(it != active_transports_.end()); |
| 133 | if (--(it->second) == 0) { |
| 134 | active_transports_.erase(it); |
| 135 | } |
| 136 | } |
| 137 | |
Harald Alvestrand | d43af91 | 2023-08-15 11:41:45 | [diff] [blame] | 138 | bool FakeNetworkPipe::SendRtp(rtc::ArrayView<const uint8_t> packet, |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 139 | const PacketOptions& options, |
| 140 | Transport* transport) { |
| 141 | RTC_DCHECK(transport); |
Harald Alvestrand | d43af91 | 2023-08-15 11:41:45 | [diff] [blame] | 142 | EnqueuePacket(rtc::CopyOnWriteBuffer(packet), options, false, transport); |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 143 | return true; |
| 144 | } |
| 145 | |
Harald Alvestrand | d43af91 | 2023-08-15 11:41:45 | [diff] [blame] | 146 | bool FakeNetworkPipe::SendRtcp(rtc::ArrayView<const uint8_t> packet, |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 147 | Transport* transport) { |
| 148 | RTC_DCHECK(transport); |
Harald Alvestrand | d43af91 | 2023-08-15 11:41:45 | [diff] [blame] | 149 | EnqueuePacket(rtc::CopyOnWriteBuffer(packet), absl::nullopt, true, transport); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 150 | return true; |
| 151 | } |
| 152 | |
Per K | bc31902 | 2023-01-09 20:44:56 | [diff] [blame] | 153 | void FakeNetworkPipe::DeliverRtpPacket( |
| 154 | MediaType media_type, |
| 155 | RtpPacketReceived packet, |
| 156 | OnUndemuxablePacketHandler undemuxable_packet_handler) { |
| 157 | MutexLock lock(&process_lock_); |
| 158 | int64_t time_now_us = clock_->TimeInMicroseconds(); |
| 159 | EnqueuePacket( |
| 160 | NetworkPacket(std::move(packet), media_type, time_now_us, time_now_us)); |
| 161 | } |
| 162 | |
Per K | cf439a0 | 2023-01-05 13:01:39 | [diff] [blame] | 163 | void FakeNetworkPipe::DeliverRtcpPacket(rtc::CopyOnWriteBuffer packet) { |
| 164 | EnqueuePacket(std::move(packet), absl::nullopt, true, MediaType::ANY, |
| 165 | absl::nullopt); |
| 166 | } |
| 167 | |
Sebastian Jansson | 7e85d67 | 2018-04-06 07:56:21 | [diff] [blame] | 168 | void FakeNetworkPipe::SetClockOffset(int64_t offset_ms) { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 169 | MutexLock lock(&config_lock_); |
Sebastian Jansson | 7e85d67 | 2018-04-06 07:56:21 | [diff] [blame] | 170 | clock_offset_ms_ = offset_ms; |
| 171 | } |
| 172 | |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 173 | FakeNetworkPipe::StoredPacket::StoredPacket(NetworkPacket&& packet) |
| 174 | : packet(std::move(packet)) {} |
| 175 | |
| 176 | bool FakeNetworkPipe::EnqueuePacket(rtc::CopyOnWriteBuffer packet, |
Danil Chapovalov | b9b146c | 2018-06-15 10:28:07 | [diff] [blame] | 177 | absl::optional<PacketOptions> options, |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 178 | bool is_rtcp, |
| 179 | MediaType media_type, |
Niels Möller | 7008287 | 2018-08-07 09:03:12 | [diff] [blame] | 180 | absl::optional<int64_t> packet_time_us) { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 181 | MutexLock lock(&process_lock_); |
Christoffer Rodbro | 1803bb2 | 2018-10-25 10:39:49 | [diff] [blame] | 182 | int64_t time_now_us = clock_->TimeInMicroseconds(); |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 183 | return EnqueuePacket(NetworkPacket(std::move(packet), time_now_us, |
| 184 | time_now_us, options, is_rtcp, media_type, |
| 185 | packet_time_us, nullptr)); |
| 186 | } |
| 187 | |
| 188 | bool FakeNetworkPipe::EnqueuePacket(rtc::CopyOnWriteBuffer packet, |
| 189 | absl::optional<PacketOptions> options, |
| 190 | bool is_rtcp, |
| 191 | Transport* transport) { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 192 | MutexLock lock(&process_lock_); |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 193 | int64_t time_now_us = clock_->TimeInMicroseconds(); |
| 194 | return EnqueuePacket(NetworkPacket(std::move(packet), time_now_us, |
| 195 | time_now_us, options, is_rtcp, |
| 196 | MediaType::ANY, absl::nullopt, transport)); |
| 197 | } |
| 198 | |
| 199 | bool FakeNetworkPipe::EnqueuePacket(NetworkPacket&& net_packet) { |
| 200 | int64_t send_time_us = net_packet.send_time(); |
| 201 | size_t packet_size = net_packet.data_length(); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 202 | |
| 203 | packets_in_flight_.emplace_back(StoredPacket(std::move(net_packet))); |
| 204 | int64_t packet_id = reinterpret_cast<uint64_t>(&packets_in_flight_.back()); |
Artem Titov | 8ea1e9d | 2018-10-04 12:46:31 | [diff] [blame] | 205 | bool sent = network_behavior_->EnqueuePacket( |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 206 | PacketInFlightInfo(packet_size, send_time_us, packet_id)); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 207 | |
| 208 | if (!sent) { |
| 209 | packets_in_flight_.pop_back(); |
| 210 | ++dropped_packets_; |
| 211 | } |
| 212 | return sent; |
| 213 | } |
| 214 | |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 215 | float FakeNetworkPipe::PercentageLoss() { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 216 | MutexLock lock(&process_lock_); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 217 | if (sent_packets_ == 0) |
| 218 | return 0; |
| 219 | |
| 220 | return static_cast<float>(dropped_packets_) / |
| 221 | (sent_packets_ + dropped_packets_); |
| 222 | } |
| 223 | |
| 224 | int FakeNetworkPipe::AverageDelay() { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 225 | MutexLock lock(&process_lock_); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 226 | if (sent_packets_ == 0) |
| 227 | return 0; |
| 228 | |
Sebastian Jansson | 512bdce | 2018-04-23 11:15:04 | [diff] [blame] | 229 | return static_cast<int>(total_packet_delay_us_ / |
| 230 | (1000 * static_cast<int64_t>(sent_packets_))); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 231 | } |
| 232 | |
| 233 | size_t FakeNetworkPipe::DroppedPackets() { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 234 | MutexLock lock(&process_lock_); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 235 | return dropped_packets_; |
| 236 | } |
| 237 | |
| 238 | size_t FakeNetworkPipe::SentPackets() { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 239 | MutexLock lock(&process_lock_); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 240 | return sent_packets_; |
| 241 | } |
| 242 | |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 243 | void FakeNetworkPipe::Process() { |
Christoffer Rodbro | 1803bb2 | 2018-10-25 10:39:49 | [diff] [blame] | 244 | int64_t time_now_us; |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 245 | std::queue<NetworkPacket> packets_to_deliver; |
| 246 | { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 247 | MutexLock lock(&process_lock_); |
Christoffer Rodbro | 1803bb2 | 2018-10-25 10:39:49 | [diff] [blame] | 248 | time_now_us = clock_->TimeInMicroseconds(); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 249 | if (time_now_us - last_log_time_us_ > kLogIntervalMs * 1000) { |
| 250 | int64_t queueing_delay_us = 0; |
| 251 | if (!packets_in_flight_.empty()) |
| 252 | queueing_delay_us = |
| 253 | time_now_us - packets_in_flight_.front().packet.send_time(); |
| 254 | |
| 255 | RTC_LOG(LS_INFO) << "Network queue: " << queueing_delay_us / 1000 |
| 256 | << " ms."; |
| 257 | last_log_time_us_ = time_now_us; |
| 258 | } |
| 259 | |
| 260 | std::vector<PacketDeliveryInfo> delivery_infos = |
Artem Titov | 8ea1e9d | 2018-10-04 12:46:31 | [diff] [blame] | 261 | network_behavior_->DequeueDeliverablePackets(time_now_us); |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 262 | for (auto& delivery_info : delivery_infos) { |
| 263 | // In the common case where no reordering happens, find will return early |
| 264 | // as the first packet will be a match. |
| 265 | auto packet_it = |
| 266 | std::find_if(packets_in_flight_.begin(), packets_in_flight_.end(), |
| 267 | [&delivery_info](StoredPacket& packet_ref) { |
| 268 | return reinterpret_cast<uint64_t>(&packet_ref) == |
| 269 | delivery_info.packet_id; |
| 270 | }); |
| 271 | // Check that the packet is in the deque of packets in flight. |
| 272 | RTC_CHECK(packet_it != packets_in_flight_.end()); |
| 273 | // Check that the packet is not already removed. |
| 274 | RTC_DCHECK(!packet_it->removed); |
| 275 | |
| 276 | NetworkPacket packet = std::move(packet_it->packet); |
| 277 | packet_it->removed = true; |
| 278 | |
| 279 | // Cleanup of removed packets at the beginning of the deque. |
| 280 | while (!packets_in_flight_.empty() && |
| 281 | packets_in_flight_.front().removed) { |
| 282 | packets_in_flight_.pop_front(); |
| 283 | } |
| 284 | |
| 285 | if (delivery_info.receive_time_us != PacketDeliveryInfo::kNotReceived) { |
| 286 | int64_t added_delay_us = |
| 287 | delivery_info.receive_time_us - packet.send_time(); |
| 288 | packet.IncrementArrivalTime(added_delay_us); |
| 289 | packets_to_deliver.emplace(std::move(packet)); |
Artem Titov | ea24027 | 2021-07-26 10:40:21 | [diff] [blame] | 290 | // `time_now_us` might be later than when the packet should have |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 291 | // arrived, due to NetworkProcess being called too late. For stats, use |
| 292 | // the time it should have been on the link. |
| 293 | total_packet_delay_us_ += added_delay_us; |
Christoffer Rodbro | 3284b61 | 2018-10-23 14:51:51 | [diff] [blame] | 294 | ++sent_packets_; |
| 295 | } else { |
| 296 | ++dropped_packets_; |
Sebastian Jansson | 7ee2e25 | 2018-05-07 12:49:39 | [diff] [blame] | 297 | } |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 298 | } |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 299 | } |
| 300 | |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 301 | MutexLock lock(&config_lock_); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 302 | while (!packets_to_deliver.empty()) { |
| 303 | NetworkPacket packet = std::move(packets_to_deliver.front()); |
| 304 | packets_to_deliver.pop(); |
Niels Möller | 7008287 | 2018-08-07 09:03:12 | [diff] [blame] | 305 | DeliverNetworkPacket(&packet); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 306 | } |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 307 | } |
| 308 | |
Niels Möller | 7008287 | 2018-08-07 09:03:12 | [diff] [blame] | 309 | void FakeNetworkPipe::DeliverNetworkPacket(NetworkPacket* packet) { |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 310 | Transport* transport = packet->transport(); |
| 311 | if (transport) { |
Sebastian Jansson | a44ab18 | 2018-04-06 10:59:14 | [diff] [blame] | 312 | RTC_DCHECK(!receiver_); |
Erik Språng | eea605d | 2019-08-12 13:56:51 | [diff] [blame] | 313 | if (active_transports_.find(transport) == active_transports_.end()) { |
| 314 | // Transport has been destroyed, ignore this packet. |
| 315 | return; |
| 316 | } |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 317 | if (packet->is_rtcp()) { |
Harald Alvestrand | 34d82df | 2023-08-04 12:18:45 | [diff] [blame] | 318 | transport->SendRtcp( |
| 319 | rtc::MakeArrayView(packet->data(), packet->data_length())); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 320 | } else { |
Harald Alvestrand | 34d82df | 2023-08-04 12:18:45 | [diff] [blame] | 321 | transport->SendRtp( |
| 322 | rtc::MakeArrayView(packet->data(), packet->data_length()), |
| 323 | packet->packet_options()); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 324 | } |
Sebastian Jansson | 0940811 | 2018-04-24 12:41:22 | [diff] [blame] | 325 | } else if (receiver_) { |
Niels Möller | 7008287 | 2018-08-07 09:03:12 | [diff] [blame] | 326 | int64_t packet_time_us = packet->packet_time_us().value_or(-1); |
| 327 | if (packet_time_us != -1) { |
Sebastian Jansson | 512bdce | 2018-04-23 11:15:04 | [diff] [blame] | 328 | int64_t queue_time_us = packet->arrival_time() - packet->send_time(); |
| 329 | RTC_CHECK(queue_time_us >= 0); |
Niels Möller | 7008287 | 2018-08-07 09:03:12 | [diff] [blame] | 330 | packet_time_us += queue_time_us; |
| 331 | packet_time_us += (clock_offset_ms_ * 1000); |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 332 | } |
Per K | bc31902 | 2023-01-09 20:44:56 | [diff] [blame] | 333 | if (packet->is_rtcp()) { |
| 334 | receiver_->DeliverRtcpPacket(std::move(*packet->raw_packet())); |
| 335 | } else if (packet->packet_received()) { |
| 336 | packet->packet_received()->set_arrival_time( |
| 337 | Timestamp::Micros(packet_time_us)); |
| 338 | receiver_->DeliverRtpPacket( |
| 339 | packet->media_type(), *packet->packet_received(), |
| 340 | [](const RtpPacketReceived& packet) { |
| 341 | RTC_LOG(LS_WARNING) |
| 342 | << "Unexpected failed demuxing packet in FakeNetworkPipe, " |
| 343 | "Ssrc: " |
| 344 | << packet.Ssrc() << " seq : " << packet.SequenceNumber(); |
| 345 | return false; |
| 346 | }); |
Per K | bc31902 | 2023-01-09 20:44:56 | [diff] [blame] | 347 | } |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 348 | } |
| 349 | } |
| 350 | |
Sebastian Jansson | 836fee1 | 2019-02-08 15:08:10 | [diff] [blame] | 351 | absl::optional<int64_t> FakeNetworkPipe::TimeUntilNextProcess() { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 352 | MutexLock lock(&process_lock_); |
Sebastian Jansson | 7182286 | 2018-10-30 07:23:27 | [diff] [blame] | 353 | absl::optional<int64_t> delivery_us = network_behavior_->NextDeliveryTimeUs(); |
| 354 | if (delivery_us) { |
| 355 | int64_t delay_us = *delivery_us - clock_->TimeInMicroseconds(); |
| 356 | return std::max<int64_t>((delay_us + 500) / 1000, 0); |
| 357 | } |
Sebastian Jansson | 836fee1 | 2019-02-08 15:08:10 | [diff] [blame] | 358 | return absl::nullopt; |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 359 | } |
| 360 | |
Sebastian Jansson | 0940811 | 2018-04-24 12:41:22 | [diff] [blame] | 361 | bool FakeNetworkPipe::HasReceiver() const { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 362 | MutexLock lock(&config_lock_); |
Sebastian Jansson | 0940811 | 2018-04-24 12:41:22 | [diff] [blame] | 363 | return receiver_ != nullptr; |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 364 | } |
| 365 | |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 13:34:01 | [diff] [blame] | 366 | void FakeNetworkPipe::DeliverPacketWithLock(NetworkPacket* packet) { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 367 | MutexLock lock(&config_lock_); |
Niels Möller | 7008287 | 2018-08-07 09:03:12 | [diff] [blame] | 368 | DeliverNetworkPacket(packet); |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 13:34:01 | [diff] [blame] | 369 | } |
| 370 | |
| 371 | void FakeNetworkPipe::ResetStats() { |
Markus Handell | 8fe932a | 2020-07-06 15:41:35 | [diff] [blame] | 372 | MutexLock lock(&process_lock_); |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 13:34:01 | [diff] [blame] | 373 | dropped_packets_ = 0; |
| 374 | sent_packets_ = 0; |
Sebastian Jansson | 512bdce | 2018-04-23 11:15:04 | [diff] [blame] | 375 | total_packet_delay_us_ = 0; |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 13:34:01 | [diff] [blame] | 376 | } |
| 377 | |
Sebastian Jansson | 512bdce | 2018-04-23 11:15:04 | [diff] [blame] | 378 | int64_t FakeNetworkPipe::GetTimeInMicroseconds() const { |
| 379 | return clock_->TimeInMicroseconds(); |
Christoffer Rodbro | 8ef59a4 | 2018-03-20 13:34:01 | [diff] [blame] | 380 | } |
| 381 | |
Erik Språng | 0970851 | 2018-03-14 14:16:50 | [diff] [blame] | 382 | } // namespace webrtc |