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| 1 /* | |
| 2 * libjingle | |
| 3 * Copyright 2012 Google Inc. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright notice, | |
| 9 * this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 11 * this list of conditions and the following disclaimer in the documentation | |
| 12 * and/or other materials provided with the distribution. | |
| 13 * 3. The name of the author may not be used to endorse or promote products | |
| 14 * derived from this software without specific prior written permission. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
| 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
| 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
| 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
| 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
| 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 #include "talk/app/webrtc/statscollector.h" | |
| 29 | |
| 30 #include <utility> | |
| 31 #include <vector> | |
| 32 | |
| 33 #include "talk/app/webrtc/peerconnection.h" | |
| 34 #include "talk/session/media/channel.h" | |
| 35 #include "webrtc/base/base64.h" | |
| 36 #include "webrtc/base/checks.h" | |
| 37 #include "webrtc/base/scoped_ptr.h" | |
| 38 #include "webrtc/base/timing.h" | |
| 39 | |
| 40 using rtc::scoped_ptr; | |
| 41 | |
| 42 namespace webrtc { | |
| 43 namespace { | |
| 44 | |
| 45 // The following is the enum RTCStatsIceCandidateType from | |
| 46 // http://w3c.github.io/webrtc-stats/#rtcstatsicecandidatetype-enum such that | |
| 47 // our stats report for ice candidate type could conform to that. | |
| 48 const char STATSREPORT_LOCAL_PORT_TYPE[] = "host"; | |
| 49 const char STATSREPORT_STUN_PORT_TYPE[] = "serverreflexive"; | |
| 50 const char STATSREPORT_PRFLX_PORT_TYPE[] = "peerreflexive"; | |
| 51 const char STATSREPORT_RELAY_PORT_TYPE[] = "relayed"; | |
| 52 | |
| 53 // Strings used by the stats collector to report adapter types. This fits the | |
| 54 // general stype of http://w3c.github.io/webrtc-stats than what | |
| 55 // AdapterTypeToString does. | |
| 56 const char* STATSREPORT_ADAPTER_TYPE_ETHERNET = "lan"; | |
| 57 const char* STATSREPORT_ADAPTER_TYPE_WIFI = "wlan"; | |
| 58 const char* STATSREPORT_ADAPTER_TYPE_WWAN = "wwan"; | |
| 59 const char* STATSREPORT_ADAPTER_TYPE_VPN = "vpn"; | |
| 60 const char* STATSREPORT_ADAPTER_TYPE_LOOPBACK = "loopback"; | |
| 61 | |
| 62 template<typename ValueType> | |
| 63 struct TypeForAdd { | |
| 64 const StatsReport::StatsValueName name; | |
| 65 const ValueType& value; | |
| 66 }; | |
| 67 | |
| 68 typedef TypeForAdd<bool> BoolForAdd; | |
| 69 typedef TypeForAdd<float> FloatForAdd; | |
| 70 typedef TypeForAdd<int64_t> Int64ForAdd; | |
| 71 typedef TypeForAdd<int> IntForAdd; | |
| 72 | |
| 73 StatsReport::Id GetTransportIdFromProxy(const ProxyTransportMap& map, | |
| 74 const std::string& proxy) { | |
| 75 RTC_DCHECK(!proxy.empty()); | |
| 76 auto found = map.find(proxy); | |
| 77 if (found == map.end()) { | |
| 78 return StatsReport::Id(); | |
| 79 } | |
| 80 | |
| 81 return StatsReport::NewComponentId( | |
| 82 found->second, cricket::ICE_CANDIDATE_COMPONENT_RTP); | |
| 83 } | |
| 84 | |
| 85 StatsReport* AddTrackReport(StatsCollection* reports, | |
| 86 const std::string& track_id) { | |
| 87 // Adds an empty track report. | |
| 88 StatsReport::Id id( | |
| 89 StatsReport::NewTypedId(StatsReport::kStatsReportTypeTrack, track_id)); | |
| 90 StatsReport* report = reports->ReplaceOrAddNew(id); | |
| 91 report->AddString(StatsReport::kStatsValueNameTrackId, track_id); | |
| 92 return report; | |
| 93 } | |
| 94 | |
| 95 template <class TrackVector> | |
| 96 void CreateTrackReports(const TrackVector& tracks, StatsCollection* reports, | |
| 97 TrackIdMap& track_ids) { | |
| 98 for (const auto& track : tracks) { | |
| 99 const std::string& track_id = track->id(); | |
| 100 StatsReport* report = AddTrackReport(reports, track_id); | |
| 101 RTC_DCHECK(report != nullptr); | |
| 102 track_ids[track_id] = report; | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 void ExtractCommonSendProperties(const cricket::MediaSenderInfo& info, | |
| 107 StatsReport* report) { | |
| 108 report->AddString(StatsReport::kStatsValueNameCodecName, info.codec_name); | |
| 109 report->AddInt64(StatsReport::kStatsValueNameBytesSent, info.bytes_sent); | |
| 110 report->AddInt64(StatsReport::kStatsValueNameRtt, info.rtt_ms); | |
| 111 } | |
| 112 | |
| 113 void ExtractCommonReceiveProperties(const cricket::MediaReceiverInfo& info, | |
| 114 StatsReport* report) { | |
| 115 report->AddString(StatsReport::kStatsValueNameCodecName, info.codec_name); | |
| 116 } | |
| 117 | |
| 118 void SetAudioProcessingStats(StatsReport* report, | |
| 119 bool typing_noise_detected, | |
| 120 int echo_return_loss, | |
| 121 int echo_return_loss_enhancement, | |
| 122 int echo_delay_median_ms, | |
| 123 float aec_quality_min, | |
| 124 int echo_delay_std_ms) { | |
| 125 report->AddBoolean(StatsReport::kStatsValueNameTypingNoiseState, | |
| 126 typing_noise_detected); | |
| 127 report->AddFloat(StatsReport::kStatsValueNameEchoCancellationQualityMin, | |
| 128 aec_quality_min); | |
| 129 const IntForAdd ints[] = { | |
| 130 { StatsReport::kStatsValueNameEchoReturnLoss, echo_return_loss }, | |
| 131 { StatsReport::kStatsValueNameEchoReturnLossEnhancement, | |
| 132 echo_return_loss_enhancement }, | |
| 133 { StatsReport::kStatsValueNameEchoDelayMedian, echo_delay_median_ms }, | |
| 134 { StatsReport::kStatsValueNameEchoDelayStdDev, echo_delay_std_ms }, | |
| 135 }; | |
| 136 for (const auto& i : ints) | |
| 137 report->AddInt(i.name, i.value); | |
| 138 } | |
| 139 | |
| 140 void ExtractStats(const cricket::VoiceReceiverInfo& info, StatsReport* report) { | |
| 141 ExtractCommonReceiveProperties(info, report); | |
| 142 const FloatForAdd floats[] = { | |
| 143 { StatsReport::kStatsValueNameExpandRate, info.expand_rate }, | |
| 144 { StatsReport::kStatsValueNameSecondaryDecodedRate, | |
| 145 info.secondary_decoded_rate }, | |
| 146 { StatsReport::kStatsValueNameSpeechExpandRate, info.speech_expand_rate }, | |
| 147 { StatsReport::kStatsValueNameAccelerateRate, info.accelerate_rate }, | |
| 148 { StatsReport::kStatsValueNamePreemptiveExpandRate, | |
| 149 info.preemptive_expand_rate }, | |
| 150 }; | |
| 151 | |
| 152 const IntForAdd ints[] = { | |
| 153 { StatsReport::kStatsValueNameAudioOutputLevel, info.audio_level }, | |
| 154 { StatsReport::kStatsValueNameCurrentDelayMs, info.delay_estimate_ms }, | |
| 155 { StatsReport::kStatsValueNameDecodingCNG, info.decoding_cng }, | |
| 156 { StatsReport::kStatsValueNameDecodingCTN, info.decoding_calls_to_neteq }, | |
| 157 { StatsReport::kStatsValueNameDecodingCTSG, | |
| 158 info.decoding_calls_to_silence_generator }, | |
| 159 { StatsReport::kStatsValueNameDecodingNormal, info.decoding_normal }, | |
| 160 { StatsReport::kStatsValueNameDecodingPLC, info.decoding_plc }, | |
| 161 { StatsReport::kStatsValueNameDecodingPLCCNG, info.decoding_plc_cng }, | |
| 162 { StatsReport::kStatsValueNameJitterBufferMs, info.jitter_buffer_ms }, | |
| 163 { StatsReport::kStatsValueNameJitterReceived, info.jitter_ms }, | |
| 164 { StatsReport::kStatsValueNamePacketsLost, info.packets_lost }, | |
| 165 { StatsReport::kStatsValueNamePacketsReceived, info.packets_rcvd }, | |
| 166 { StatsReport::kStatsValueNamePreferredJitterBufferMs, | |
| 167 info.jitter_buffer_preferred_ms }, | |
| 168 }; | |
| 169 | |
| 170 for (const auto& f : floats) | |
| 171 report->AddFloat(f.name, f.value); | |
| 172 | |
| 173 for (const auto& i : ints) | |
| 174 report->AddInt(i.name, i.value); | |
| 175 | |
| 176 report->AddInt64(StatsReport::kStatsValueNameBytesReceived, | |
| 177 info.bytes_rcvd); | |
| 178 report->AddInt64(StatsReport::kStatsValueNameCaptureStartNtpTimeMs, | |
| 179 info.capture_start_ntp_time_ms); | |
| 180 } | |
| 181 | |
| 182 void ExtractStats(const cricket::VoiceSenderInfo& info, StatsReport* report) { | |
| 183 ExtractCommonSendProperties(info, report); | |
| 184 | |
| 185 SetAudioProcessingStats( | |
| 186 report, info.typing_noise_detected, info.echo_return_loss, | |
| 187 info.echo_return_loss_enhancement, info.echo_delay_median_ms, | |
| 188 info.aec_quality_min, info.echo_delay_std_ms); | |
| 189 | |
| 190 RTC_DCHECK_GE(info.audio_level, 0); | |
| 191 const IntForAdd ints[] = { | |
| 192 { StatsReport::kStatsValueNameAudioInputLevel, info.audio_level}, | |
| 193 { StatsReport::kStatsValueNameJitterReceived, info.jitter_ms }, | |
| 194 { StatsReport::kStatsValueNamePacketsLost, info.packets_lost }, | |
| 195 { StatsReport::kStatsValueNamePacketsSent, info.packets_sent }, | |
| 196 }; | |
| 197 | |
| 198 for (const auto& i : ints) | |
| 199 report->AddInt(i.name, i.value); | |
| 200 } | |
| 201 | |
| 202 void ExtractStats(const cricket::VideoReceiverInfo& info, StatsReport* report) { | |
| 203 ExtractCommonReceiveProperties(info, report); | |
| 204 report->AddString(StatsReport::kStatsValueNameCodecImplementationName, | |
| 205 info.decoder_implementation_name); | |
| 206 report->AddInt64(StatsReport::kStatsValueNameBytesReceived, | |
| 207 info.bytes_rcvd); | |
| 208 report->AddInt64(StatsReport::kStatsValueNameCaptureStartNtpTimeMs, | |
| 209 info.capture_start_ntp_time_ms); | |
| 210 const IntForAdd ints[] = { | |
| 211 { StatsReport::kStatsValueNameCurrentDelayMs, info.current_delay_ms }, | |
| 212 { StatsReport::kStatsValueNameDecodeMs, info.decode_ms }, | |
| 213 { StatsReport::kStatsValueNameFirsSent, info.firs_sent }, | |
| 214 { StatsReport::kStatsValueNameFrameHeightReceived, info.frame_height }, | |
| 215 { StatsReport::kStatsValueNameFrameRateDecoded, info.framerate_decoded }, | |
| 216 { StatsReport::kStatsValueNameFrameRateOutput, info.framerate_output }, | |
| 217 { StatsReport::kStatsValueNameFrameRateReceived, info.framerate_rcvd }, | |
| 218 { StatsReport::kStatsValueNameFrameWidthReceived, info.frame_width }, | |
| 219 { StatsReport::kStatsValueNameJitterBufferMs, info.jitter_buffer_ms }, | |
| 220 { StatsReport::kStatsValueNameMaxDecodeMs, info.max_decode_ms }, | |
| 221 { StatsReport::kStatsValueNameMinPlayoutDelayMs, | |
| 222 info.min_playout_delay_ms }, | |
| 223 { StatsReport::kStatsValueNameNacksSent, info.nacks_sent }, | |
| 224 { StatsReport::kStatsValueNamePacketsLost, info.packets_lost }, | |
| 225 { StatsReport::kStatsValueNamePacketsReceived, info.packets_rcvd }, | |
| 226 { StatsReport::kStatsValueNamePlisSent, info.plis_sent }, | |
| 227 { StatsReport::kStatsValueNameRenderDelayMs, info.render_delay_ms }, | |
| 228 { StatsReport::kStatsValueNameTargetDelayMs, info.target_delay_ms }, | |
| 229 }; | |
| 230 | |
| 231 for (const auto& i : ints) | |
| 232 report->AddInt(i.name, i.value); | |
| 233 } | |
| 234 | |
| 235 void ExtractStats(const cricket::VideoSenderInfo& info, StatsReport* report) { | |
| 236 ExtractCommonSendProperties(info, report); | |
| 237 | |
| 238 report->AddString(StatsReport::kStatsValueNameCodecImplementationName, | |
| 239 info.encoder_implementation_name); | |
| 240 report->AddBoolean(StatsReport::kStatsValueNameBandwidthLimitedResolution, | |
| 241 (info.adapt_reason & 0x2) > 0); | |
| 242 report->AddBoolean(StatsReport::kStatsValueNameCpuLimitedResolution, | |
| 243 (info.adapt_reason & 0x1) > 0); | |
| 244 report->AddBoolean(StatsReport::kStatsValueNameViewLimitedResolution, | |
| 245 (info.adapt_reason & 0x4) > 0); | |
| 246 | |
| 247 const IntForAdd ints[] = { | |
| 248 { StatsReport::kStatsValueNameAdaptationChanges, info.adapt_changes }, | |
| 249 { StatsReport::kStatsValueNameAvgEncodeMs, info.avg_encode_ms }, | |
| 250 { StatsReport::kStatsValueNameEncodeUsagePercent, | |
| 251 info.encode_usage_percent }, | |
| 252 { StatsReport::kStatsValueNameFirsReceived, info.firs_rcvd }, | |
| 253 { StatsReport::kStatsValueNameFrameHeightInput, info.input_frame_height }, | |
| 254 { StatsReport::kStatsValueNameFrameHeightSent, info.send_frame_height }, | |
| 255 { StatsReport::kStatsValueNameFrameRateInput, info.framerate_input }, | |
| 256 { StatsReport::kStatsValueNameFrameRateSent, info.framerate_sent }, | |
| 257 { StatsReport::kStatsValueNameFrameWidthInput, info.input_frame_width }, | |
| 258 { StatsReport::kStatsValueNameFrameWidthSent, info.send_frame_width }, | |
| 259 { StatsReport::kStatsValueNameNacksReceived, info.nacks_rcvd }, | |
| 260 { StatsReport::kStatsValueNamePacketsLost, info.packets_lost }, | |
| 261 { StatsReport::kStatsValueNamePacketsSent, info.packets_sent }, | |
| 262 { StatsReport::kStatsValueNamePlisReceived, info.plis_rcvd }, | |
| 263 }; | |
| 264 | |
| 265 for (const auto& i : ints) | |
| 266 report->AddInt(i.name, i.value); | |
| 267 } | |
| 268 | |
| 269 void ExtractStats(const cricket::BandwidthEstimationInfo& info, | |
| 270 double stats_gathering_started, | |
| 271 PeerConnectionInterface::StatsOutputLevel level, | |
| 272 StatsReport* report) { | |
| 273 RTC_DCHECK(report->type() == StatsReport::kStatsReportTypeBwe); | |
| 274 | |
| 275 report->set_timestamp(stats_gathering_started); | |
| 276 const IntForAdd ints[] = { | |
| 277 { StatsReport::kStatsValueNameAvailableSendBandwidth, | |
| 278 info.available_send_bandwidth }, | |
| 279 { StatsReport::kStatsValueNameAvailableReceiveBandwidth, | |
| 280 info.available_recv_bandwidth }, | |
| 281 { StatsReport::kStatsValueNameTargetEncBitrate, info.target_enc_bitrate }, | |
| 282 { StatsReport::kStatsValueNameActualEncBitrate, info.actual_enc_bitrate }, | |
| 283 { StatsReport::kStatsValueNameRetransmitBitrate, info.retransmit_bitrate }, | |
| 284 { StatsReport::kStatsValueNameTransmitBitrate, info.transmit_bitrate }, | |
| 285 }; | |
| 286 for (const auto& i : ints) | |
| 287 report->AddInt(i.name, i.value); | |
| 288 report->AddInt64(StatsReport::kStatsValueNameBucketDelay, info.bucket_delay); | |
| 289 } | |
| 290 | |
| 291 void ExtractRemoteStats(const cricket::MediaSenderInfo& info, | |
| 292 StatsReport* report) { | |
| 293 report->set_timestamp(info.remote_stats[0].timestamp); | |
| 294 // TODO(hta): Extract some stats here. | |
| 295 } | |
| 296 | |
| 297 void ExtractRemoteStats(const cricket::MediaReceiverInfo& info, | |
| 298 StatsReport* report) { | |
| 299 report->set_timestamp(info.remote_stats[0].timestamp); | |
| 300 // TODO(hta): Extract some stats here. | |
| 301 } | |
| 302 | |
| 303 // Template to extract stats from a data vector. | |
| 304 // In order to use the template, the functions that are called from it, | |
| 305 // ExtractStats and ExtractRemoteStats, must be defined and overloaded | |
| 306 // for each type. | |
| 307 template<typename T> | |
| 308 void ExtractStatsFromList(const std::vector<T>& data, | |
| 309 const StatsReport::Id& transport_id, | |
| 310 StatsCollector* collector, | |
| 311 StatsReport::Direction direction) { | |
| 312 for (const auto& d : data) { | |
| 313 uint32_t ssrc = d.ssrc(); | |
| 314 // Each track can have stats for both local and remote objects. | |
| 315 // TODO(hta): Handle the case of multiple SSRCs per object. | |
| 316 StatsReport* report = collector->PrepareReport(true, ssrc, transport_id, | |
| 317 direction); | |
| 318 if (report) | |
| 319 ExtractStats(d, report); | |
| 320 | |
| 321 if (!d.remote_stats.empty()) { | |
| 322 report = collector->PrepareReport(false, ssrc, transport_id, direction); | |
| 323 if (report) | |
| 324 ExtractRemoteStats(d, report); | |
| 325 } | |
| 326 } | |
| 327 } | |
| 328 | |
| 329 } // namespace | |
| 330 | |
| 331 const char* IceCandidateTypeToStatsType(const std::string& candidate_type) { | |
| 332 if (candidate_type == cricket::LOCAL_PORT_TYPE) { | |
| 333 return STATSREPORT_LOCAL_PORT_TYPE; | |
| 334 } | |
| 335 if (candidate_type == cricket::STUN_PORT_TYPE) { | |
| 336 return STATSREPORT_STUN_PORT_TYPE; | |
| 337 } | |
| 338 if (candidate_type == cricket::PRFLX_PORT_TYPE) { | |
| 339 return STATSREPORT_PRFLX_PORT_TYPE; | |
| 340 } | |
| 341 if (candidate_type == cricket::RELAY_PORT_TYPE) { | |
| 342 return STATSREPORT_RELAY_PORT_TYPE; | |
| 343 } | |
| 344 RTC_DCHECK(false); | |
| 345 return "unknown"; | |
| 346 } | |
| 347 | |
| 348 const char* AdapterTypeToStatsType(rtc::AdapterType type) { | |
| 349 switch (type) { | |
| 350 case rtc::ADAPTER_TYPE_UNKNOWN: | |
| 351 return "unknown"; | |
| 352 case rtc::ADAPTER_TYPE_ETHERNET: | |
| 353 return STATSREPORT_ADAPTER_TYPE_ETHERNET; | |
| 354 case rtc::ADAPTER_TYPE_WIFI: | |
| 355 return STATSREPORT_ADAPTER_TYPE_WIFI; | |
| 356 case rtc::ADAPTER_TYPE_CELLULAR: | |
| 357 return STATSREPORT_ADAPTER_TYPE_WWAN; | |
| 358 case rtc::ADAPTER_TYPE_VPN: | |
| 359 return STATSREPORT_ADAPTER_TYPE_VPN; | |
| 360 case rtc::ADAPTER_TYPE_LOOPBACK: | |
| 361 return STATSREPORT_ADAPTER_TYPE_LOOPBACK; | |
| 362 default: | |
| 363 RTC_DCHECK(false); | |
| 364 return ""; | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 StatsCollector::StatsCollector(PeerConnection* pc) | |
| 369 : pc_(pc), stats_gathering_started_(0) { | |
| 370 RTC_DCHECK(pc_); | |
| 371 } | |
| 372 | |
| 373 StatsCollector::~StatsCollector() { | |
| 374 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 375 } | |
| 376 | |
| 377 double StatsCollector::GetTimeNow() { | |
| 378 return rtc::Timing::WallTimeNow() * rtc::kNumMillisecsPerSec; | |
| 379 } | |
| 380 | |
| 381 // Adds a MediaStream with tracks that can be used as a |selector| in a call | |
| 382 // to GetStats. | |
| 383 void StatsCollector::AddStream(MediaStreamInterface* stream) { | |
| 384 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 385 RTC_DCHECK(stream != NULL); | |
| 386 | |
| 387 CreateTrackReports<AudioTrackVector>(stream->GetAudioTracks(), | |
| 388 &reports_, track_ids_); | |
| 389 CreateTrackReports<VideoTrackVector>(stream->GetVideoTracks(), | |
| 390 &reports_, track_ids_); | |
| 391 } | |
| 392 | |
| 393 void StatsCollector::AddLocalAudioTrack(AudioTrackInterface* audio_track, | |
| 394 uint32_t ssrc) { | |
| 395 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 396 RTC_DCHECK(audio_track != NULL); | |
| 397 #if (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) | |
| 398 for (const auto& track : local_audio_tracks_) | |
| 399 RTC_DCHECK(track.first != audio_track || track.second != ssrc); | |
| 400 #endif | |
| 401 | |
| 402 local_audio_tracks_.push_back(std::make_pair(audio_track, ssrc)); | |
| 403 | |
| 404 // Create the kStatsReportTypeTrack report for the new track if there is no | |
| 405 // report yet. | |
| 406 StatsReport::Id id(StatsReport::NewTypedId(StatsReport::kStatsReportTypeTrack, | |
| 407 audio_track->id())); | |
| 408 StatsReport* report = reports_.Find(id); | |
| 409 if (!report) { | |
| 410 report = reports_.InsertNew(id); | |
| 411 report->AddString(StatsReport::kStatsValueNameTrackId, audio_track->id()); | |
| 412 } | |
| 413 } | |
| 414 | |
| 415 void StatsCollector::RemoveLocalAudioTrack(AudioTrackInterface* audio_track, | |
| 416 uint32_t ssrc) { | |
| 417 RTC_DCHECK(audio_track != NULL); | |
| 418 local_audio_tracks_.erase(std::remove_if(local_audio_tracks_.begin(), | |
| 419 local_audio_tracks_.end(), | |
| 420 [audio_track, ssrc](const LocalAudioTrackVector::value_type& track) { | |
| 421 return track.first == audio_track && track.second == ssrc; | |
| 422 })); | |
| 423 } | |
| 424 | |
| 425 void StatsCollector::GetStats(MediaStreamTrackInterface* track, | |
| 426 StatsReports* reports) { | |
| 427 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 428 RTC_DCHECK(reports != NULL); | |
| 429 RTC_DCHECK(reports->empty()); | |
| 430 | |
| 431 rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; | |
| 432 | |
| 433 if (!track) { | |
| 434 reports->reserve(reports_.size()); | |
| 435 for (auto* r : reports_) | |
| 436 reports->push_back(r); | |
| 437 return; | |
| 438 } | |
| 439 | |
| 440 StatsReport* report = reports_.Find(StatsReport::NewTypedId( | |
| 441 StatsReport::kStatsReportTypeSession, pc_->session()->id())); | |
| 442 if (report) | |
| 443 reports->push_back(report); | |
| 444 | |
| 445 report = reports_.Find(StatsReport::NewTypedId( | |
| 446 StatsReport::kStatsReportTypeTrack, track->id())); | |
| 447 | |
| 448 if (!report) | |
| 449 return; | |
| 450 | |
| 451 reports->push_back(report); | |
| 452 | |
| 453 std::string track_id; | |
| 454 for (const auto* r : reports_) { | |
| 455 if (r->type() != StatsReport::kStatsReportTypeSsrc) | |
| 456 continue; | |
| 457 | |
| 458 const StatsReport::Value* v = | |
| 459 r->FindValue(StatsReport::kStatsValueNameTrackId); | |
| 460 if (v && v->string_val() == track->id()) | |
| 461 reports->push_back(r); | |
| 462 } | |
| 463 } | |
| 464 | |
| 465 void | |
| 466 StatsCollector::UpdateStats(PeerConnectionInterface::StatsOutputLevel level) { | |
| 467 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 468 double time_now = GetTimeNow(); | |
| 469 // Calls to UpdateStats() that occur less than kMinGatherStatsPeriod number of | |
| 470 // ms apart will be ignored. | |
| 471 const double kMinGatherStatsPeriod = 50; | |
| 472 if (stats_gathering_started_ != 0 && | |
| 473 stats_gathering_started_ + kMinGatherStatsPeriod > time_now) { | |
| 474 return; | |
| 475 } | |
| 476 stats_gathering_started_ = time_now; | |
| 477 | |
| 478 if (pc_->session()) { | |
| 479 // TODO(tommi): All of these hop over to the worker thread to fetch | |
| 480 // information. We could use an AsyncInvoker to run all of these and post | |
| 481 // the information back to the signaling thread where we can create and | |
| 482 // update stats reports. That would also clean up the threading story a bit | |
| 483 // since we'd be creating/updating the stats report objects consistently on | |
| 484 // the same thread (this class has no locks right now). | |
| 485 ExtractSessionInfo(); | |
| 486 ExtractVoiceInfo(); | |
| 487 ExtractVideoInfo(level); | |
| 488 ExtractDataInfo(); | |
| 489 UpdateTrackReports(); | |
| 490 } | |
| 491 } | |
| 492 | |
| 493 StatsReport* StatsCollector::PrepareReport( | |
| 494 bool local, | |
| 495 uint32_t ssrc, | |
| 496 const StatsReport::Id& transport_id, | |
| 497 StatsReport::Direction direction) { | |
| 498 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 499 StatsReport::Id id(StatsReport::NewIdWithDirection( | |
| 500 local ? StatsReport::kStatsReportTypeSsrc | |
| 501 : StatsReport::kStatsReportTypeRemoteSsrc, | |
| 502 rtc::ToString<uint32_t>(ssrc), direction)); | |
| 503 StatsReport* report = reports_.Find(id); | |
| 504 | |
| 505 // Use the ID of the track that is currently mapped to the SSRC, if any. | |
| 506 std::string track_id; | |
| 507 if (!GetTrackIdBySsrc(ssrc, &track_id, direction)) { | |
| 508 if (!report) { | |
| 509 // The ssrc is not used by any track or existing report, return NULL | |
| 510 // in such case to indicate no report is prepared for the ssrc. | |
| 511 return NULL; | |
| 512 } | |
| 513 | |
| 514 // The ssrc is not used by any existing track. Keeps the old track id | |
| 515 // since we want to report the stats for inactive ssrc. | |
| 516 const StatsReport::Value* v = | |
| 517 report->FindValue(StatsReport::kStatsValueNameTrackId); | |
| 518 if (v) | |
| 519 track_id = v->string_val(); | |
| 520 } | |
| 521 | |
| 522 if (!report) | |
| 523 report = reports_.InsertNew(id); | |
| 524 | |
| 525 // FYI - for remote reports, the timestamp will be overwritten later. | |
| 526 report->set_timestamp(stats_gathering_started_); | |
| 527 | |
| 528 report->AddInt64(StatsReport::kStatsValueNameSsrc, ssrc); | |
| 529 report->AddString(StatsReport::kStatsValueNameTrackId, track_id); | |
| 530 // Add the mapping of SSRC to transport. | |
| 531 report->AddId(StatsReport::kStatsValueNameTransportId, transport_id); | |
| 532 return report; | |
| 533 } | |
| 534 | |
| 535 StatsReport* StatsCollector::AddOneCertificateReport( | |
| 536 const rtc::SSLCertificate* cert, const StatsReport* issuer) { | |
| 537 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 538 | |
| 539 // TODO(bemasc): Move this computation to a helper class that caches these | |
| 540 // values to reduce CPU use in GetStats. This will require adding a fast | |
| 541 // SSLCertificate::Equals() method to detect certificate changes. | |
| 542 | |
| 543 std::string digest_algorithm; | |
| 544 if (!cert->GetSignatureDigestAlgorithm(&digest_algorithm)) | |
| 545 return nullptr; | |
| 546 | |
| 547 rtc::scoped_ptr<rtc::SSLFingerprint> ssl_fingerprint( | |
| 548 rtc::SSLFingerprint::Create(digest_algorithm, cert)); | |
| 549 | |
| 550 // SSLFingerprint::Create can fail if the algorithm returned by | |
| 551 // SSLCertificate::GetSignatureDigestAlgorithm is not supported by the | |
| 552 // implementation of SSLCertificate::ComputeDigest. This currently happens | |
| 553 // with MD5- and SHA-224-signed certificates when linked to libNSS. | |
| 554 if (!ssl_fingerprint) | |
| 555 return nullptr; | |
| 556 | |
| 557 std::string fingerprint = ssl_fingerprint->GetRfc4572Fingerprint(); | |
| 558 | |
| 559 rtc::Buffer der_buffer; | |
| 560 cert->ToDER(&der_buffer); | |
| 561 std::string der_base64; | |
| 562 rtc::Base64::EncodeFromArray(der_buffer.data(), der_buffer.size(), | |
| 563 &der_base64); | |
| 564 | |
| 565 StatsReport::Id id(StatsReport::NewTypedId( | |
| 566 StatsReport::kStatsReportTypeCertificate, fingerprint)); | |
| 567 StatsReport* report = reports_.ReplaceOrAddNew(id); | |
| 568 report->set_timestamp(stats_gathering_started_); | |
| 569 report->AddString(StatsReport::kStatsValueNameFingerprint, fingerprint); | |
| 570 report->AddString(StatsReport::kStatsValueNameFingerprintAlgorithm, | |
| 571 digest_algorithm); | |
| 572 report->AddString(StatsReport::kStatsValueNameDer, der_base64); | |
| 573 if (issuer) | |
| 574 report->AddId(StatsReport::kStatsValueNameIssuerId, issuer->id()); | |
| 575 return report; | |
| 576 } | |
| 577 | |
| 578 StatsReport* StatsCollector::AddCertificateReports( | |
| 579 const rtc::SSLCertificate* cert) { | |
| 580 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 581 // Produces a chain of StatsReports representing this certificate and the rest | |
| 582 // of its chain, and adds those reports to |reports_|. The return value is | |
| 583 // the id of the leaf report. The provided cert must be non-null, so at least | |
| 584 // one report will always be provided and the returned string will never be | |
| 585 // empty. | |
| 586 RTC_DCHECK(cert != NULL); | |
| 587 | |
| 588 StatsReport* issuer = nullptr; | |
| 589 rtc::scoped_ptr<rtc::SSLCertChain> chain; | |
| 590 if (cert->GetChain(chain.accept())) { | |
| 591 // This loop runs in reverse, i.e. from root to leaf, so that each | |
| 592 // certificate's issuer's report ID is known before the child certificate's | |
| 593 // report is generated. The root certificate does not have an issuer ID | |
| 594 // value. | |
| 595 for (ptrdiff_t i = chain->GetSize() - 1; i >= 0; --i) { | |
| 596 const rtc::SSLCertificate& cert_i = chain->Get(i); | |
| 597 issuer = AddOneCertificateReport(&cert_i, issuer); | |
| 598 } | |
| 599 } | |
| 600 // Add the leaf certificate. | |
| 601 return AddOneCertificateReport(cert, issuer); | |
| 602 } | |
| 603 | |
| 604 StatsReport* StatsCollector::AddConnectionInfoReport( | |
| 605 const std::string& content_name, int component, int connection_id, | |
| 606 const StatsReport::Id& channel_report_id, | |
| 607 const cricket::ConnectionInfo& info) { | |
| 608 StatsReport::Id id(StatsReport::NewCandidatePairId(content_name, component, | |
| 609 connection_id)); | |
| 610 StatsReport* report = reports_.ReplaceOrAddNew(id); | |
| 611 report->set_timestamp(stats_gathering_started_); | |
| 612 | |
| 613 const BoolForAdd bools[] = { | |
| 614 {StatsReport::kStatsValueNameActiveConnection, info.best_connection}, | |
| 615 {StatsReport::kStatsValueNameReceiving, info.receiving}, | |
| 616 {StatsReport::kStatsValueNameWritable, info.writable}, | |
| 617 }; | |
| 618 for (const auto& b : bools) | |
| 619 report->AddBoolean(b.name, b.value); | |
| 620 | |
| 621 report->AddId(StatsReport::kStatsValueNameChannelId, channel_report_id); | |
| 622 report->AddId(StatsReport::kStatsValueNameLocalCandidateId, | |
| 623 AddCandidateReport(info.local_candidate, true)->id()); | |
| 624 report->AddId(StatsReport::kStatsValueNameRemoteCandidateId, | |
| 625 AddCandidateReport(info.remote_candidate, false)->id()); | |
| 626 | |
| 627 const Int64ForAdd int64s[] = { | |
| 628 { StatsReport::kStatsValueNameBytesReceived, info.recv_total_bytes }, | |
| 629 { StatsReport::kStatsValueNameBytesSent, info.sent_total_bytes }, | |
| 630 { StatsReport::kStatsValueNamePacketsSent, info.sent_total_packets }, | |
| 631 { StatsReport::kStatsValueNameRtt, info.rtt }, | |
| 632 { StatsReport::kStatsValueNameSendPacketsDiscarded, | |
| 633 info.sent_discarded_packets }, | |
| 634 }; | |
| 635 for (const auto& i : int64s) | |
| 636 report->AddInt64(i.name, i.value); | |
| 637 | |
| 638 report->AddString(StatsReport::kStatsValueNameLocalAddress, | |
| 639 info.local_candidate.address().ToString()); | |
| 640 report->AddString(StatsReport::kStatsValueNameLocalCandidateType, | |
| 641 info.local_candidate.type()); | |
| 642 report->AddString(StatsReport::kStatsValueNameRemoteAddress, | |
| 643 info.remote_candidate.address().ToString()); | |
| 644 report->AddString(StatsReport::kStatsValueNameRemoteCandidateType, | |
| 645 info.remote_candidate.type()); | |
| 646 report->AddString(StatsReport::kStatsValueNameTransportType, | |
| 647 info.local_candidate.protocol()); | |
| 648 | |
| 649 return report; | |
| 650 } | |
| 651 | |
| 652 StatsReport* StatsCollector::AddCandidateReport( | |
| 653 const cricket::Candidate& candidate, | |
| 654 bool local) { | |
| 655 StatsReport::Id id(StatsReport::NewCandidateId(local, candidate.id())); | |
| 656 StatsReport* report = reports_.Find(id); | |
| 657 if (!report) { | |
| 658 report = reports_.InsertNew(id); | |
| 659 report->set_timestamp(stats_gathering_started_); | |
| 660 if (local) { | |
| 661 report->AddString(StatsReport::kStatsValueNameCandidateNetworkType, | |
| 662 AdapterTypeToStatsType(candidate.network_type())); | |
| 663 } | |
| 664 report->AddString(StatsReport::kStatsValueNameCandidateIPAddress, | |
| 665 candidate.address().ipaddr().ToString()); | |
| 666 report->AddString(StatsReport::kStatsValueNameCandidatePortNumber, | |
| 667 candidate.address().PortAsString()); | |
| 668 report->AddInt(StatsReport::kStatsValueNameCandidatePriority, | |
| 669 candidate.priority()); | |
| 670 report->AddString(StatsReport::kStatsValueNameCandidateType, | |
| 671 IceCandidateTypeToStatsType(candidate.type())); | |
| 672 report->AddString(StatsReport::kStatsValueNameCandidateTransportType, | |
| 673 candidate.protocol()); | |
| 674 } | |
| 675 | |
| 676 return report; | |
| 677 } | |
| 678 | |
| 679 void StatsCollector::ExtractSessionInfo() { | |
| 680 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 681 | |
| 682 // Extract information from the base session. | |
| 683 StatsReport::Id id(StatsReport::NewTypedId( | |
| 684 StatsReport::kStatsReportTypeSession, pc_->session()->id())); | |
| 685 StatsReport* report = reports_.ReplaceOrAddNew(id); | |
| 686 report->set_timestamp(stats_gathering_started_); | |
| 687 report->AddBoolean(StatsReport::kStatsValueNameInitiator, | |
| 688 pc_->session()->initial_offerer()); | |
| 689 | |
| 690 SessionStats stats; | |
| 691 if (!pc_->session()->GetTransportStats(&stats)) { | |
| 692 return; | |
| 693 } | |
| 694 | |
| 695 // Store the proxy map away for use in SSRC reporting. | |
| 696 // TODO(tommi): This shouldn't be necessary if we post the stats back to the | |
| 697 // signaling thread after fetching them on the worker thread, then just use | |
| 698 // the proxy map directly from the session stats. | |
| 699 // As is, if GetStats() failed, we could be using old (incorrect?) proxy | |
| 700 // data. | |
| 701 proxy_to_transport_ = stats.proxy_to_transport; | |
| 702 | |
| 703 for (const auto& transport_iter : stats.transport_stats) { | |
| 704 // Attempt to get a copy of the certificates from the transport and | |
| 705 // expose them in stats reports. All channels in a transport share the | |
| 706 // same local and remote certificates. | |
| 707 // | |
| 708 StatsReport::Id local_cert_report_id, remote_cert_report_id; | |
| 709 rtc::scoped_refptr<rtc::RTCCertificate> certificate; | |
| 710 if (pc_->session()->GetLocalCertificate( | |
| 711 transport_iter.second.transport_name, &certificate)) { | |
| 712 StatsReport* r = AddCertificateReports(&(certificate->ssl_certificate())); | |
| 713 if (r) | |
| 714 local_cert_report_id = r->id(); | |
| 715 } | |
| 716 | |
| 717 rtc::scoped_ptr<rtc::SSLCertificate> cert; | |
| 718 if (pc_->session()->GetRemoteSSLCertificate( | |
| 719 transport_iter.second.transport_name, cert.accept())) { | |
| 720 StatsReport* r = AddCertificateReports(cert.get()); | |
| 721 if (r) | |
| 722 remote_cert_report_id = r->id(); | |
| 723 } | |
| 724 | |
| 725 for (const auto& channel_iter : transport_iter.second.channel_stats) { | |
| 726 StatsReport::Id id(StatsReport::NewComponentId( | |
| 727 transport_iter.second.transport_name, channel_iter.component)); | |
| 728 StatsReport* channel_report = reports_.ReplaceOrAddNew(id); | |
| 729 channel_report->set_timestamp(stats_gathering_started_); | |
| 730 channel_report->AddInt(StatsReport::kStatsValueNameComponent, | |
| 731 channel_iter.component); | |
| 732 if (local_cert_report_id.get()) { | |
| 733 channel_report->AddId(StatsReport::kStatsValueNameLocalCertificateId, | |
| 734 local_cert_report_id); | |
| 735 } | |
| 736 if (remote_cert_report_id.get()) { | |
| 737 channel_report->AddId(StatsReport::kStatsValueNameRemoteCertificateId, | |
| 738 remote_cert_report_id); | |
| 739 } | |
| 740 int srtp_crypto_suite = channel_iter.srtp_crypto_suite; | |
| 741 if (srtp_crypto_suite != rtc::SRTP_INVALID_CRYPTO_SUITE && | |
| 742 rtc::SrtpCryptoSuiteToName(srtp_crypto_suite).length()) { | |
| 743 channel_report->AddString( | |
| 744 StatsReport::kStatsValueNameSrtpCipher, | |
| 745 rtc::SrtpCryptoSuiteToName(srtp_crypto_suite)); | |
| 746 } | |
| 747 int ssl_cipher_suite = channel_iter.ssl_cipher_suite; | |
| 748 if (ssl_cipher_suite != rtc::TLS_NULL_WITH_NULL_NULL && | |
| 749 rtc::SSLStreamAdapter::SslCipherSuiteToName(ssl_cipher_suite) | |
| 750 .length()) { | |
| 751 channel_report->AddString( | |
| 752 StatsReport::kStatsValueNameDtlsCipher, | |
| 753 rtc::SSLStreamAdapter::SslCipherSuiteToName(ssl_cipher_suite)); | |
| 754 } | |
| 755 | |
| 756 int connection_id = 0; | |
| 757 for (const cricket::ConnectionInfo& info : | |
| 758 channel_iter.connection_infos) { | |
| 759 StatsReport* connection_report = AddConnectionInfoReport( | |
| 760 transport_iter.first, channel_iter.component, connection_id++, | |
| 761 channel_report->id(), info); | |
| 762 if (info.best_connection) { | |
| 763 channel_report->AddId( | |
| 764 StatsReport::kStatsValueNameSelectedCandidatePairId, | |
| 765 connection_report->id()); | |
| 766 } | |
| 767 } | |
| 768 } | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 void StatsCollector::ExtractVoiceInfo() { | |
| 773 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 774 | |
| 775 if (!pc_->session()->voice_channel()) { | |
| 776 return; | |
| 777 } | |
| 778 cricket::VoiceMediaInfo voice_info; | |
| 779 if (!pc_->session()->voice_channel()->GetStats(&voice_info)) { | |
| 780 LOG(LS_ERROR) << "Failed to get voice channel stats."; | |
| 781 return; | |
| 782 } | |
| 783 | |
| 784 // TODO(tommi): The above code should run on the worker thread and post the | |
| 785 // results back to the signaling thread, where we can add data to the reports. | |
| 786 rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; | |
| 787 | |
| 788 StatsReport::Id transport_id(GetTransportIdFromProxy( | |
| 789 proxy_to_transport_, pc_->session()->voice_channel()->content_name())); | |
| 790 if (!transport_id.get()) { | |
| 791 LOG(LS_ERROR) << "Failed to get transport name for proxy " | |
| 792 << pc_->session()->voice_channel()->content_name(); | |
| 793 return; | |
| 794 } | |
| 795 | |
| 796 ExtractStatsFromList(voice_info.receivers, transport_id, this, | |
| 797 StatsReport::kReceive); | |
| 798 ExtractStatsFromList(voice_info.senders, transport_id, this, | |
| 799 StatsReport::kSend); | |
| 800 | |
| 801 UpdateStatsFromExistingLocalAudioTracks(); | |
| 802 } | |
| 803 | |
| 804 void StatsCollector::ExtractVideoInfo( | |
| 805 PeerConnectionInterface::StatsOutputLevel level) { | |
| 806 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 807 | |
| 808 if (!pc_->session()->video_channel()) | |
| 809 return; | |
| 810 | |
| 811 cricket::VideoMediaInfo video_info; | |
| 812 if (!pc_->session()->video_channel()->GetStats(&video_info)) { | |
| 813 LOG(LS_ERROR) << "Failed to get video channel stats."; | |
| 814 return; | |
| 815 } | |
| 816 | |
| 817 // TODO(tommi): The above code should run on the worker thread and post the | |
| 818 // results back to the signaling thread, where we can add data to the reports. | |
| 819 rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; | |
| 820 | |
| 821 StatsReport::Id transport_id(GetTransportIdFromProxy( | |
| 822 proxy_to_transport_, pc_->session()->video_channel()->content_name())); | |
| 823 if (!transport_id.get()) { | |
| 824 LOG(LS_ERROR) << "Failed to get transport name for proxy " | |
| 825 << pc_->session()->video_channel()->content_name(); | |
| 826 return; | |
| 827 } | |
| 828 ExtractStatsFromList(video_info.receivers, transport_id, this, | |
| 829 StatsReport::kReceive); | |
| 830 ExtractStatsFromList(video_info.senders, transport_id, this, | |
| 831 StatsReport::kSend); | |
| 832 if (video_info.bw_estimations.size() != 1) { | |
| 833 LOG(LS_ERROR) << "BWEs count: " << video_info.bw_estimations.size(); | |
| 834 } else { | |
| 835 StatsReport::Id report_id(StatsReport::NewBandwidthEstimationId()); | |
| 836 StatsReport* report = reports_.FindOrAddNew(report_id); | |
| 837 ExtractStats( | |
| 838 video_info.bw_estimations[0], stats_gathering_started_, level, report); | |
| 839 } | |
| 840 } | |
| 841 | |
| 842 void StatsCollector::ExtractDataInfo() { | |
| 843 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 844 | |
| 845 rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; | |
| 846 | |
| 847 for (const auto& dc : pc_->sctp_data_channels()) { | |
| 848 StatsReport::Id id(StatsReport::NewTypedIntId( | |
| 849 StatsReport::kStatsReportTypeDataChannel, dc->id())); | |
| 850 StatsReport* report = reports_.ReplaceOrAddNew(id); | |
| 851 report->set_timestamp(stats_gathering_started_); | |
| 852 report->AddString(StatsReport::kStatsValueNameLabel, dc->label()); | |
| 853 report->AddInt(StatsReport::kStatsValueNameDataChannelId, dc->id()); | |
| 854 report->AddString(StatsReport::kStatsValueNameProtocol, dc->protocol()); | |
| 855 report->AddString(StatsReport::kStatsValueNameState, | |
| 856 DataChannelInterface::DataStateString(dc->state())); | |
| 857 } | |
| 858 } | |
| 859 | |
| 860 StatsReport* StatsCollector::GetReport(const StatsReport::StatsType& type, | |
| 861 const std::string& id, | |
| 862 StatsReport::Direction direction) { | |
| 863 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 864 RTC_DCHECK(type == StatsReport::kStatsReportTypeSsrc || | |
| 865 type == StatsReport::kStatsReportTypeRemoteSsrc); | |
| 866 return reports_.Find(StatsReport::NewIdWithDirection(type, id, direction)); | |
| 867 } | |
| 868 | |
| 869 void StatsCollector::UpdateStatsFromExistingLocalAudioTracks() { | |
| 870 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 871 // Loop through the existing local audio tracks. | |
| 872 for (const auto& it : local_audio_tracks_) { | |
| 873 AudioTrackInterface* track = it.first; | |
| 874 uint32_t ssrc = it.second; | |
| 875 StatsReport* report = | |
| 876 GetReport(StatsReport::kStatsReportTypeSsrc, | |
| 877 rtc::ToString<uint32_t>(ssrc), StatsReport::kSend); | |
| 878 if (report == NULL) { | |
| 879 // This can happen if a local audio track is added to a stream on the | |
| 880 // fly and the report has not been set up yet. Do nothing in this case. | |
| 881 LOG(LS_ERROR) << "Stats report does not exist for ssrc " << ssrc; | |
| 882 continue; | |
| 883 } | |
| 884 | |
| 885 // The same ssrc can be used by both local and remote audio tracks. | |
| 886 const StatsReport::Value* v = | |
| 887 report->FindValue(StatsReport::kStatsValueNameTrackId); | |
| 888 if (!v || v->string_val() != track->id()) | |
| 889 continue; | |
| 890 | |
| 891 report->set_timestamp(stats_gathering_started_); | |
| 892 UpdateReportFromAudioTrack(track, report); | |
| 893 } | |
| 894 } | |
| 895 | |
| 896 void StatsCollector::UpdateReportFromAudioTrack(AudioTrackInterface* track, | |
| 897 StatsReport* report) { | |
| 898 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 899 RTC_DCHECK(track != NULL); | |
| 900 | |
| 901 // Don't overwrite report values if they're not available. | |
| 902 int signal_level; | |
| 903 if (track->GetSignalLevel(&signal_level)) { | |
| 904 RTC_DCHECK_GE(signal_level, 0); | |
| 905 report->AddInt(StatsReport::kStatsValueNameAudioInputLevel, signal_level); | |
| 906 } | |
| 907 | |
| 908 auto audio_processor(track->GetAudioProcessor()); | |
| 909 | |
| 910 if (audio_processor.get()) { | |
| 911 AudioProcessorInterface::AudioProcessorStats stats; | |
| 912 audio_processor->GetStats(&stats); | |
| 913 | |
| 914 SetAudioProcessingStats( | |
| 915 report, stats.typing_noise_detected, stats.echo_return_loss, | |
| 916 stats.echo_return_loss_enhancement, stats.echo_delay_median_ms, | |
| 917 stats.aec_quality_min, stats.echo_delay_std_ms); | |
| 918 } | |
| 919 } | |
| 920 | |
| 921 bool StatsCollector::GetTrackIdBySsrc(uint32_t ssrc, | |
| 922 std::string* track_id, | |
| 923 StatsReport::Direction direction) { | |
| 924 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 925 if (direction == StatsReport::kSend) { | |
| 926 if (!pc_->session()->GetLocalTrackIdBySsrc(ssrc, track_id)) { | |
| 927 LOG(LS_WARNING) << "The SSRC " << ssrc | |
| 928 << " is not associated with a sending track"; | |
| 929 return false; | |
| 930 } | |
| 931 } else { | |
| 932 RTC_DCHECK(direction == StatsReport::kReceive); | |
| 933 if (!pc_->session()->GetRemoteTrackIdBySsrc(ssrc, track_id)) { | |
| 934 LOG(LS_WARNING) << "The SSRC " << ssrc | |
| 935 << " is not associated with a receiving track"; | |
| 936 return false; | |
| 937 } | |
| 938 } | |
| 939 | |
| 940 return true; | |
| 941 } | |
| 942 | |
| 943 void StatsCollector::UpdateTrackReports() { | |
| 944 RTC_DCHECK(pc_->session()->signaling_thread()->IsCurrent()); | |
| 945 | |
| 946 rtc::Thread::ScopedDisallowBlockingCalls no_blocking_calls; | |
| 947 | |
| 948 for (const auto& entry : track_ids_) { | |
| 949 StatsReport* report = entry.second; | |
| 950 report->set_timestamp(stats_gathering_started_); | |
| 951 } | |
| 952 } | |
| 953 | |
| 954 void StatsCollector::ClearUpdateStatsCacheForTest() { | |
| 955 stats_gathering_started_ = 0; | |
| 956 } | |
| 957 | |
| 958 } // namespace webrtc | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1610243002:
Move talk/app/webrtc to webrtc/api (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master