Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 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 | |
| 11 | // This file contains structures used for retrieving statistics from an ongoing |
| 12 | // libjingle session. |
| 13 | |
| 14 | #ifndef API_LEGACY_STATS_TYPES_H_ |
| 15 | #define API_LEGACY_STATS_TYPES_H_ |
| 16 | |
Dor Hen | aefed55 | 2024-06-18 13:20:35 | [diff] [blame] | 17 | #include <stddef.h> |
| 18 | #include <stdint.h> |
| 19 | |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 20 | #include <list> |
| 21 | #include <map> |
| 22 | #include <string> |
| 23 | #include <vector> |
| 24 | |
Harald Alvestrand | e8a2b3c | 2023-10-31 13:30:30 | [diff] [blame] | 25 | #include "api/ref_count.h" |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 26 | #include "api/scoped_refptr.h" |
| 27 | #include "api/sequence_checker.h" |
Dor Hen | aefed55 | 2024-06-18 13:20:35 | [diff] [blame] | 28 | #include "rtc_base/checks.h" |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 29 | #include "rtc_base/system/rtc_export.h" |
Dor Hen | aefed55 | 2024-06-18 13:20:35 | [diff] [blame] | 30 | #include "rtc_base/thread_annotations.h" |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 31 | |
| 32 | namespace webrtc { |
| 33 | |
| 34 | class RTC_EXPORT StatsReport { |
| 35 | public: |
| 36 | // Indicates whether a track is for sending or receiving. |
| 37 | // Used in reports for audio/video tracks. |
| 38 | enum Direction { |
| 39 | kSend = 0, |
| 40 | kReceive, |
| 41 | }; |
| 42 | |
| 43 | enum StatsType { |
| 44 | // StatsReport types. |
| 45 | // A StatsReport of `type` = "googSession" contains overall information |
| 46 | // about the thing libjingle calls a session (which may contain one |
| 47 | // or more RTP sessions. |
| 48 | kStatsReportTypeSession, |
| 49 | |
| 50 | // A StatsReport of `type` = "googTransport" contains information |
| 51 | // about a libjingle "transport". |
| 52 | kStatsReportTypeTransport, |
| 53 | |
| 54 | // A StatsReport of `type` = "googComponent" contains information |
| 55 | // about a libjingle "channel" (typically, RTP or RTCP for a transport). |
| 56 | // This is intended to be the same thing as an ICE "Component". |
| 57 | kStatsReportTypeComponent, |
| 58 | |
| 59 | // A StatsReport of `type` = "googCandidatePair" contains information |
| 60 | // about a libjingle "connection" - a single source/destination port pair. |
| 61 | // This is intended to be the same thing as an ICE "candidate pair". |
| 62 | kStatsReportTypeCandidatePair, |
| 63 | |
| 64 | // A StatsReport of `type` = "VideoBWE" is statistics for video Bandwidth |
| 65 | // Estimation, which is global per-session. The `id` field is "bweforvideo" |
| 66 | // (will probably change in the future). |
| 67 | kStatsReportTypeBwe, |
| 68 | |
| 69 | // A StatsReport of `type` = "ssrc" is statistics for a specific rtp stream. |
| 70 | // The `id` field is the SSRC in decimal form of the rtp stream. |
| 71 | kStatsReportTypeSsrc, |
| 72 | |
| 73 | // A StatsReport of `type` = "remoteSsrc" is statistics for a specific |
| 74 | // rtp stream, generated by the remote end of the connection. |
| 75 | kStatsReportTypeRemoteSsrc, |
| 76 | |
| 77 | // A StatsReport of `type` = "googTrack" is statistics for a specific media |
| 78 | // track. The `id` field is the track id. |
| 79 | kStatsReportTypeTrack, |
| 80 | |
| 81 | // A StatsReport of `type` = "localcandidate" or "remotecandidate" is |
| 82 | // attributes on a specific ICE Candidate. It links to its connection pair |
| 83 | // by candidate id. The string value is taken from |
| 84 | // http://w3c.github.io/webrtc-stats/#rtcstatstype-enum*. |
| 85 | kStatsReportTypeIceLocalCandidate, |
| 86 | kStatsReportTypeIceRemoteCandidate, |
| 87 | |
| 88 | // A StatsReport of `type` = "googCertificate" contains an SSL certificate |
| 89 | // transmitted by one of the endpoints of this connection. The `id` is |
| 90 | // controlled by the fingerprint, and is used to identify the certificate in |
| 91 | // the Channel stats (as "googLocalCertificateId" or |
| 92 | // "googRemoteCertificateId") and in any child certificates (as |
| 93 | // "googIssuerId"). |
| 94 | kStatsReportTypeCertificate, |
| 95 | |
| 96 | // A StatsReport of `type` = "datachannel" with statistics for a |
| 97 | // particular DataChannel. |
| 98 | kStatsReportTypeDataChannel, |
| 99 | }; |
| 100 | |
| 101 | enum StatsValueName { |
| 102 | kStatsValueNameActiveConnection, |
| 103 | kStatsValueNameAecDivergentFilterFraction, |
| 104 | kStatsValueNameAudioInputLevel, |
| 105 | kStatsValueNameAudioOutputLevel, |
| 106 | kStatsValueNameBytesReceived, |
| 107 | kStatsValueNameBytesSent, |
| 108 | kStatsValueNameCodecImplementationName, |
| 109 | kStatsValueNameConcealedSamples, |
| 110 | kStatsValueNameConcealmentEvents, |
| 111 | kStatsValueNameDataChannelId, |
| 112 | kStatsValueNameFramesDecoded, |
| 113 | kStatsValueNameFramesEncoded, |
| 114 | kStatsValueNameJitterBufferDelay, |
| 115 | kStatsValueNameMediaType, |
| 116 | kStatsValueNamePacketsLost, |
| 117 | kStatsValueNamePacketsReceived, |
| 118 | kStatsValueNamePacketsSent, |
| 119 | kStatsValueNameProtocol, |
| 120 | kStatsValueNameQpSum, |
| 121 | kStatsValueNameReceiving, |
| 122 | kStatsValueNameSelectedCandidatePairId, |
| 123 | kStatsValueNameSsrc, |
| 124 | kStatsValueNameState, |
| 125 | kStatsValueNameTotalAudioEnergy, |
| 126 | kStatsValueNameTotalSamplesDuration, |
| 127 | kStatsValueNameTotalSamplesReceived, |
| 128 | kStatsValueNameTransportId, |
| 129 | kStatsValueNameSentPingRequestsTotal, |
| 130 | kStatsValueNameSentPingRequestsBeforeFirstResponse, |
| 131 | kStatsValueNameSentPingResponses, |
| 132 | kStatsValueNameRecvPingRequests, |
| 133 | kStatsValueNameRecvPingResponses, |
| 134 | kStatsValueNameSentStunKeepaliveRequests, |
| 135 | kStatsValueNameRecvStunKeepaliveResponses, |
| 136 | kStatsValueNameStunKeepaliveRttTotal, |
| 137 | kStatsValueNameStunKeepaliveRttSquaredTotal, |
| 138 | |
| 139 | // Internal StatsValue names. |
| 140 | kStatsValueNameAccelerateRate, |
| 141 | kStatsValueNameActualEncBitrate, |
| 142 | kStatsValueNameAdaptationChanges, |
| 143 | kStatsValueNameAvailableReceiveBandwidth, |
| 144 | kStatsValueNameAvailableSendBandwidth, |
| 145 | kStatsValueNameAvgEncodeMs, |
| 146 | kStatsValueNameBandwidthLimitedResolution, |
| 147 | kStatsValueNameBucketDelay, |
| 148 | kStatsValueNameCaptureStartNtpTimeMs, |
| 149 | kStatsValueNameCandidateIPAddress, |
| 150 | kStatsValueNameCandidateNetworkType, |
| 151 | kStatsValueNameCandidatePortNumber, |
| 152 | kStatsValueNameCandidatePriority, |
| 153 | kStatsValueNameCandidateTransportType, |
| 154 | kStatsValueNameCandidateType, |
| 155 | kStatsValueNameChannelId, |
| 156 | kStatsValueNameCodecName, |
| 157 | kStatsValueNameComponent, |
| 158 | kStatsValueNameContentName, |
| 159 | kStatsValueNameContentType, |
| 160 | kStatsValueNameCpuLimitedResolution, |
| 161 | kStatsValueNameCurrentDelayMs, |
| 162 | kStatsValueNameDecodeMs, |
| 163 | kStatsValueNameDecodingCNG, |
| 164 | kStatsValueNameDecodingCTN, |
| 165 | kStatsValueNameDecodingCTSG, |
| 166 | kStatsValueNameDecodingMutedOutput, |
| 167 | kStatsValueNameDecodingNormal, |
| 168 | kStatsValueNameDecodingPLC, |
| 169 | kStatsValueNameDecodingCodecPLC, |
| 170 | kStatsValueNameDecodingPLCCNG, |
| 171 | kStatsValueNameDer, |
| 172 | kStatsValueNameDtlsCipher, |
| 173 | kStatsValueNameEchoDelayMedian, |
| 174 | kStatsValueNameEchoDelayStdDev, |
| 175 | kStatsValueNameEchoReturnLoss, |
| 176 | kStatsValueNameEchoReturnLossEnhancement, |
| 177 | kStatsValueNameEncodeUsagePercent, |
| 178 | kStatsValueNameExpandRate, |
| 179 | kStatsValueNameFingerprint, |
| 180 | kStatsValueNameFingerprintAlgorithm, |
| 181 | kStatsValueNameFirsReceived, |
| 182 | kStatsValueNameFirsSent, |
| 183 | kStatsValueNameFirstFrameReceivedToDecodedMs, |
| 184 | kStatsValueNameFrameHeightInput, |
| 185 | kStatsValueNameFrameHeightReceived, |
| 186 | kStatsValueNameFrameHeightSent, |
| 187 | kStatsValueNameFrameRateDecoded, |
| 188 | kStatsValueNameFrameRateInput, |
| 189 | kStatsValueNameFrameRateOutput, |
| 190 | kStatsValueNameFrameRateReceived, |
| 191 | kStatsValueNameFrameRateSent, |
| 192 | kStatsValueNameFrameWidthInput, |
| 193 | kStatsValueNameFrameWidthReceived, |
| 194 | kStatsValueNameFrameWidthSent, |
| 195 | kStatsValueNameHasEnteredLowResolution, |
| 196 | kStatsValueNameHugeFramesSent, |
| 197 | kStatsValueNameInitiator, |
| 198 | kStatsValueNameInterframeDelayMaxMs, // Max over last 10 seconds. |
| 199 | kStatsValueNameIssuerId, |
| 200 | kStatsValueNameJitterBufferMs, |
| 201 | kStatsValueNameJitterReceived, |
| 202 | kStatsValueNameLabel, |
| 203 | kStatsValueNameLocalAddress, |
| 204 | kStatsValueNameLocalCandidateId, |
| 205 | kStatsValueNameLocalCandidateType, |
| 206 | kStatsValueNameLocalCertificateId, |
| 207 | kStatsValueNameMaxDecodeMs, |
| 208 | kStatsValueNameMinPlayoutDelayMs, |
| 209 | kStatsValueNameNacksReceived, |
| 210 | kStatsValueNameNacksSent, |
| 211 | kStatsValueNamePlisReceived, |
| 212 | kStatsValueNamePlisSent, |
| 213 | kStatsValueNamePreemptiveExpandRate, |
| 214 | kStatsValueNamePreferredJitterBufferMs, |
| 215 | kStatsValueNameRemoteAddress, |
| 216 | kStatsValueNameRemoteCandidateId, |
| 217 | kStatsValueNameRemoteCandidateType, |
| 218 | kStatsValueNameRemoteCertificateId, |
| 219 | kStatsValueNameRenderDelayMs, |
| 220 | kStatsValueNameResidualEchoLikelihood, |
| 221 | kStatsValueNameResidualEchoLikelihoodRecentMax, |
| 222 | kStatsValueNameAnaBitrateActionCounter, |
| 223 | kStatsValueNameAnaChannelActionCounter, |
| 224 | kStatsValueNameAnaDtxActionCounter, |
| 225 | kStatsValueNameAnaFecActionCounter, |
| 226 | kStatsValueNameAnaFrameLengthIncreaseCounter, |
| 227 | kStatsValueNameAnaFrameLengthDecreaseCounter, |
| 228 | kStatsValueNameAnaUplinkPacketLossFraction, |
| 229 | kStatsValueNameRetransmitBitrate, |
| 230 | kStatsValueNameRtt, |
| 231 | kStatsValueNameSecondaryDecodedRate, |
| 232 | kStatsValueNameSecondaryDiscardedRate, |
| 233 | kStatsValueNameSendPacketsDiscarded, |
| 234 | kStatsValueNameSpeechExpandRate, |
| 235 | kStatsValueNameSrtpCipher, |
| 236 | kStatsValueNameTargetDelayMs, |
| 237 | kStatsValueNameTargetEncBitrate, |
| 238 | kStatsValueNameTimingFrameInfo, // Result of `TimingFrameInfo::ToString` |
| 239 | kStatsValueNameTrackId, |
| 240 | kStatsValueNameTransmitBitrate, |
| 241 | kStatsValueNameTransportType, |
| 242 | kStatsValueNameWritable, |
| 243 | kStatsValueNameAudioDeviceUnderrunCounter, |
| 244 | kStatsValueNameLocalCandidateRelayProtocol, |
| 245 | }; |
| 246 | |
Harald Alvestrand | e8a2b3c | 2023-10-31 13:30:30 | [diff] [blame] | 247 | class RTC_EXPORT IdBase : public webrtc::RefCountInterface { |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 248 | public: |
| 249 | ~IdBase() override; |
| 250 | StatsType type() const; |
| 251 | |
| 252 | // Users of IdBase will be using the Id typedef, which is compatible with |
| 253 | // this Equals() function. It simply calls the protected (and overridden) |
| 254 | // Equals() method. |
| 255 | bool Equals(const rtc::scoped_refptr<IdBase>& other) const { |
| 256 | return Equals(*other.get()); |
| 257 | } |
| 258 | |
| 259 | virtual std::string ToString() const = 0; |
| 260 | |
| 261 | protected: |
| 262 | // Protected since users of the IdBase type will be using the Id typedef. |
| 263 | virtual bool Equals(const IdBase& other) const; |
| 264 | |
| 265 | explicit IdBase(StatsType type); // Only meant for derived classes. |
| 266 | const StatsType type_; |
| 267 | |
| 268 | static const char kSeparator = '_'; |
| 269 | }; |
| 270 | |
| 271 | typedef rtc::scoped_refptr<IdBase> Id; |
| 272 | |
| 273 | struct RTC_EXPORT Value { |
| 274 | enum Type { |
| 275 | kInt, // int. |
| 276 | kInt64, // int64_t. |
| 277 | kFloat, // float. |
| 278 | kString, // std::string |
| 279 | kStaticString, // const char*. |
| 280 | kBool, // bool. |
| 281 | kId, // Id. |
| 282 | }; |
| 283 | |
| 284 | Value(StatsValueName name, int64_t value, Type int_type); |
| 285 | Value(StatsValueName name, float f); |
| 286 | Value(StatsValueName name, const std::string& value); |
| 287 | Value(StatsValueName name, const char* value); |
| 288 | Value(StatsValueName name, bool b); |
| 289 | Value(StatsValueName name, const Id& value); |
| 290 | |
| 291 | ~Value(); |
| 292 | |
| 293 | Value(const Value&) = delete; |
| 294 | Value& operator=(const Value&) = delete; |
| 295 | |
| 296 | // Support ref counting. Note that for performance reasons, we |
| 297 | // don't use thread safe operations. Therefore, all operations |
| 298 | // affecting the ref count (in practice, creation and copying of |
| 299 | // the Values mapping) must occur on webrtc's signalling thread. |
| 300 | int AddRef() const { |
| 301 | RTC_DCHECK_RUN_ON(&thread_checker_); |
| 302 | return ++ref_count_; |
| 303 | } |
| 304 | int Release() const { |
| 305 | RTC_DCHECK_RUN_ON(&thread_checker_); |
| 306 | int count = --ref_count_; |
| 307 | if (!count) |
| 308 | delete this; |
| 309 | return count; |
| 310 | } |
| 311 | |
| 312 | // TODO(tommi): This compares name as well as value... |
| 313 | // I think we should only need to compare the value part and |
| 314 | // move the name part into a hash map. |
| 315 | bool Equals(const Value& other) const; |
| 316 | |
| 317 | // Comparison operators. Return true iff the current instance is of the |
| 318 | // correct type and holds the same value. No conversion is performed so |
| 319 | // a string value of "123" is not equal to an int value of 123 and an int |
| 320 | // value of 123 is not equal to a float value of 123.0f. |
| 321 | // One exception to this is that types kInt and kInt64 can be compared and |
| 322 | // kString and kStaticString too. |
| 323 | bool operator==(const std::string& value) const; |
| 324 | bool operator==(const char* value) const; |
| 325 | bool operator==(int64_t value) const; |
| 326 | bool operator==(bool value) const; |
| 327 | bool operator==(float value) const; |
| 328 | bool operator==(const Id& value) const; |
| 329 | |
| 330 | // Getters that allow getting the native value directly. |
| 331 | // The caller must know the type beforehand or else hit a check. |
| 332 | int int_val() const; |
| 333 | int64_t int64_val() const; |
| 334 | float float_val() const; |
| 335 | const char* static_string_val() const; |
| 336 | const std::string& string_val() const; |
| 337 | bool bool_val() const; |
| 338 | const Id& id_val() const; |
| 339 | |
| 340 | // Returns the string representation of `name`. |
| 341 | const char* display_name() const; |
| 342 | |
| 343 | // Converts the native value to a string representation of the value. |
| 344 | std::string ToString() const; |
| 345 | |
| 346 | Type type() const { return type_; } |
| 347 | |
| 348 | // TODO(tommi): Move `name` and `display_name` out of the Value struct. |
| 349 | const StatsValueName name; |
| 350 | |
Tommi | 0fe6510 | 2023-03-31 10:09:30 | [diff] [blame] | 351 | protected: |
| 352 | #if RTC_DCHECK_IS_ON |
| 353 | friend class StatsReport; |
| 354 | void DetachSequenceChecker() { thread_checker_.Detach(); } |
| 355 | void AttachSequenceChecker() { RTC_DCHECK_RUN_ON(&thread_checker_); } |
| 356 | #endif |
| 357 | |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 358 | private: |
Tommi | 0fe6510 | 2023-03-31 10:09:30 | [diff] [blame] | 359 | webrtc::SequenceChecker thread_checker_{webrtc::SequenceChecker::kDetached}; |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 360 | mutable int ref_count_ RTC_GUARDED_BY(thread_checker_) = 0; |
| 361 | |
| 362 | const Type type_; |
| 363 | // TODO(tommi): Use C++ 11 union and make value_ const. |
| 364 | union InternalType { |
| 365 | int int_; |
| 366 | int64_t int64_; |
| 367 | float float_; |
| 368 | bool bool_; |
| 369 | std::string* string_; |
| 370 | const char* static_string_; |
| 371 | Id* id_; |
| 372 | } value_; |
| 373 | }; |
| 374 | |
| 375 | typedef rtc::scoped_refptr<Value> ValuePtr; |
| 376 | typedef std::map<StatsValueName, ValuePtr> Values; |
| 377 | |
| 378 | // Ownership of `id` is passed to `this`. |
| 379 | explicit StatsReport(const Id& id); |
| 380 | ~StatsReport(); |
| 381 | |
| 382 | StatsReport(const StatsReport&) = delete; |
| 383 | StatsReport& operator=(const StatsReport&) = delete; |
| 384 | |
| 385 | // Factory functions for various types of stats IDs. |
| 386 | static Id NewBandwidthEstimationId(); |
| 387 | static Id NewTypedId(StatsType type, const std::string& id); |
| 388 | static Id NewTypedIntId(StatsType type, int id); |
| 389 | static Id NewIdWithDirection(StatsType type, |
| 390 | const std::string& id, |
| 391 | Direction direction); |
| 392 | static Id NewCandidateId(bool local, const std::string& id); |
| 393 | static Id NewComponentId(const std::string& content_name, int component); |
| 394 | static Id NewCandidatePairId(const std::string& content_name, |
| 395 | int component, |
| 396 | int index); |
| 397 | |
| 398 | const Id& id() const { return id_; } |
| 399 | StatsType type() const { return id_->type(); } |
| 400 | double timestamp() const { return timestamp_; } |
| 401 | void set_timestamp(double t) { timestamp_ = t; } |
| 402 | bool empty() const { return values_.empty(); } |
| 403 | const Values& values() const { return values_; } |
| 404 | |
| 405 | const char* TypeToString() const; |
| 406 | |
| 407 | void AddString(StatsValueName name, const std::string& value); |
| 408 | void AddString(StatsValueName name, const char* value); |
| 409 | void AddInt64(StatsValueName name, int64_t value); |
| 410 | void AddInt(StatsValueName name, int value); |
| 411 | void AddFloat(StatsValueName name, float value); |
| 412 | void AddBoolean(StatsValueName name, bool value); |
| 413 | void AddId(StatsValueName name, const Id& value); |
| 414 | |
| 415 | const Value* FindValue(StatsValueName name) const; |
| 416 | |
Tommi | 0fe6510 | 2023-03-31 10:09:30 | [diff] [blame] | 417 | #if RTC_DCHECK_IS_ON |
| 418 | void DetachSequenceCheckers() { |
| 419 | for (auto& v : values_) { |
| 420 | v.second->DetachSequenceChecker(); |
| 421 | } |
| 422 | } |
| 423 | void AttachSequenceCheckers() { |
| 424 | for (auto& v : values_) { |
| 425 | v.second->AttachSequenceChecker(); |
| 426 | } |
| 427 | } |
| 428 | #endif |
| 429 | |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 430 | private: |
| 431 | // The unique identifier for this object. |
| 432 | // This is used as a key for this report in ordered containers, |
| 433 | // so it must never be changed. |
| 434 | const Id id_; |
| 435 | double timestamp_; // Time since 1970-01-01T00:00:00Z in milliseconds. |
| 436 | Values values_; |
| 437 | }; |
| 438 | |
| 439 | // Typedef for an array of const StatsReport pointers. |
| 440 | // Ownership of the pointers held by this implementation is assumed to lie |
| 441 | // elsewhere and lifetime guarantees are made by the implementation that uses |
| 442 | // this type. In the StatsCollector, object ownership lies with the |
| 443 | // StatsCollection class. |
| 444 | typedef std::vector<const StatsReport*> StatsReports; |
| 445 | |
| 446 | // A map from the report id to the report. |
| 447 | // This class wraps an STL container and provides a limited set of |
| 448 | // functionality in order to keep things simple. |
| 449 | class StatsCollection { |
| 450 | public: |
| 451 | StatsCollection(); |
| 452 | ~StatsCollection(); |
| 453 | |
| 454 | typedef std::list<StatsReport*> Container; |
| 455 | typedef Container::iterator iterator; |
| 456 | typedef Container::const_iterator const_iterator; |
| 457 | |
| 458 | const_iterator begin() const; |
| 459 | const_iterator end() const; |
| 460 | size_t size() const; |
| 461 | |
| 462 | // Creates a new report object with `id` that does not already |
| 463 | // exist in the list of reports. |
| 464 | StatsReport* InsertNew(const StatsReport::Id& id); |
| 465 | StatsReport* FindOrAddNew(const StatsReport::Id& id); |
| 466 | StatsReport* ReplaceOrAddNew(const StatsReport::Id& id); |
| 467 | |
Tommi | 0fe6510 | 2023-03-31 10:09:30 | [diff] [blame] | 468 | Container DetachCollection(); |
| 469 | void MergeCollection(Container collection); |
| 470 | |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 471 | // Looks for a report with the given `id`. If one is not found, null |
| 472 | // will be returned. |
| 473 | StatsReport* Find(const StatsReport::Id& id); |
| 474 | |
| 475 | private: |
| 476 | Container list_; |
Tommi | 0fe6510 | 2023-03-31 10:09:30 | [diff] [blame] | 477 | webrtc::SequenceChecker thread_checker_{SequenceChecker::kDetached}; |
Henrik Boström | 3e6931b | 2022-11-11 09:07:34 | [diff] [blame] | 478 | }; |
| 479 | |
| 480 | } // namespace webrtc |
| 481 | |
| 482 | #endif // API_LEGACY_STATS_TYPES_H_ |