|  | /* | 
|  | *  Copyright 2016 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | #include "pc/rtc_stats_collector.h" | 
|  |  | 
|  | #include <ctype.h> | 
|  |  | 
|  | #include <algorithm> | 
|  | #include <initializer_list> | 
|  | #include <memory> | 
|  | #include <ostream> | 
|  | #include <string> | 
|  | #include <utility> | 
|  | #include <vector> | 
|  |  | 
|  | #include "absl/memory/memory.h" | 
|  | #include "absl/strings/str_replace.h" | 
|  | #include "api/rtp_parameters.h" | 
|  | #include "api/stats/rtc_stats_report.h" | 
|  | #include "api/stats/rtcstats_objects.h" | 
|  | #include "api/units/time_delta.h" | 
|  | #include "modules/rtp_rtcp/include/report_block_data.h" | 
|  | #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h" | 
|  | #include "p2p/base/p2p_constants.h" | 
|  | #include "p2p/base/port.h" | 
|  | #include "pc/media_stream.h" | 
|  | #include "pc/media_stream_track.h" | 
|  | #include "pc/test/fake_peer_connection_for_stats.h" | 
|  | #include "pc/test/mock_data_channel.h" | 
|  | #include "pc/test/mock_rtp_receiver_internal.h" | 
|  | #include "pc/test/mock_rtp_sender_internal.h" | 
|  | #include "pc/test/rtc_stats_obtainer.h" | 
|  | #include "rtc_base/checks.h" | 
|  | #include "rtc_base/fake_clock.h" | 
|  | #include "rtc_base/fake_ssl_identity.h" | 
|  | #include "rtc_base/gunit.h" | 
|  | #include "rtc_base/logging.h" | 
|  | #include "rtc_base/strings/json.h" | 
|  | #include "rtc_base/time_utils.h" | 
|  |  | 
|  | using ::testing::AtLeast; | 
|  | using ::testing::Invoke; | 
|  | using ::testing::Return; | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | // These are used by gtest code, such as if |EXPECT_EQ| fails. | 
|  | void PrintTo(const RTCCertificateStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCCodecStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCDataChannelStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCIceCandidatePairStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCLocalIceCandidateStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCRemoteIceCandidateStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCPeerConnectionStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCMediaStreamStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCMediaStreamTrackStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCInboundRTPStreamStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCOutboundRTPStreamStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCRemoteInboundRtpStreamStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCAudioSourceStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCVideoSourceStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCTransportStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToJson(); | 
|  | } | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | const int64_t kGetStatsReportTimeoutMs = 1000; | 
|  |  | 
|  | struct CertificateInfo { | 
|  | rtc::scoped_refptr<rtc::RTCCertificate> certificate; | 
|  | std::vector<std::string> ders; | 
|  | std::vector<std::string> pems; | 
|  | std::vector<std::string> fingerprints; | 
|  | }; | 
|  |  | 
|  | // Return the ID for an object of the given type in a report. | 
|  | // The object must be present and be unique. | 
|  | template <typename T> | 
|  | std::string IdForType(const RTCStatsReport* report) { | 
|  | auto stats_of_my_type = report->RTCStatsReport::GetStatsOfType<T>(); | 
|  | // We cannot use ASSERT here, since we're within a function. | 
|  | EXPECT_EQ(1U, stats_of_my_type.size()) | 
|  | << "Unexpected number of stats of this type"; | 
|  | if (stats_of_my_type.size() == 1) { | 
|  | return stats_of_my_type[0]->id(); | 
|  | } else { | 
|  | // Return something that is not going to be a valid stas ID. | 
|  | return "Type not found"; | 
|  | } | 
|  | } | 
|  |  | 
|  | std::unique_ptr<CertificateInfo> CreateFakeCertificateAndInfoFromDers( | 
|  | const std::vector<std::string>& ders) { | 
|  | RTC_CHECK(!ders.empty()); | 
|  | std::unique_ptr<CertificateInfo> info(new CertificateInfo()); | 
|  | info->ders = ders; | 
|  | for (const std::string& der : ders) { | 
|  | info->pems.push_back(rtc::SSLIdentity::DerToPem( | 
|  | "CERTIFICATE", reinterpret_cast<const unsigned char*>(der.c_str()), | 
|  | der.length())); | 
|  | } | 
|  | info->certificate = | 
|  | rtc::RTCCertificate::Create(std::unique_ptr<rtc::FakeSSLIdentity>( | 
|  | new rtc::FakeSSLIdentity(info->pems))); | 
|  | // Strip header/footer and newline characters of PEM strings. | 
|  | for (size_t i = 0; i < info->pems.size(); ++i) { | 
|  | absl::StrReplaceAll({{"-----BEGIN CERTIFICATE-----", ""}, | 
|  | {"-----END CERTIFICATE-----", ""}, | 
|  | {"\n", ""}}, | 
|  | &info->pems[i]); | 
|  | } | 
|  | // Fingerprints for the whole certificate chain, starting with leaf | 
|  | // certificate. | 
|  | const rtc::SSLCertChain& chain = info->certificate->GetSSLCertificateChain(); | 
|  | std::unique_ptr<rtc::SSLFingerprint> fp; | 
|  | for (size_t i = 0; i < chain.GetSize(); i++) { | 
|  | fp = rtc::SSLFingerprint::Create("sha-1", chain.Get(i)); | 
|  | EXPECT_TRUE(fp); | 
|  | info->fingerprints.push_back(fp->GetRfc4572Fingerprint()); | 
|  | } | 
|  | EXPECT_EQ(info->ders.size(), info->fingerprints.size()); | 
|  | return info; | 
|  | } | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> CreateFakeCandidate( | 
|  | const std::string& hostname, | 
|  | int port, | 
|  | const std::string& protocol, | 
|  | const rtc::AdapterType adapter_type, | 
|  | const std::string& candidate_type, | 
|  | uint32_t priority) { | 
|  | std::unique_ptr<cricket::Candidate> candidate(new cricket::Candidate()); | 
|  | candidate->set_address(rtc::SocketAddress(hostname, port)); | 
|  | candidate->set_protocol(protocol); | 
|  | candidate->set_network_type(adapter_type); | 
|  | candidate->set_type(candidate_type); | 
|  | candidate->set_priority(priority); | 
|  | return candidate; | 
|  | } | 
|  |  | 
|  | class FakeAudioTrackForStats : public MediaStreamTrack<AudioTrackInterface> { | 
|  | public: | 
|  | static rtc::scoped_refptr<FakeAudioTrackForStats> Create( | 
|  | const std::string& id, | 
|  | MediaStreamTrackInterface::TrackState state) { | 
|  | rtc::scoped_refptr<FakeAudioTrackForStats> audio_track_stats( | 
|  | new rtc::RefCountedObject<FakeAudioTrackForStats>(id)); | 
|  | audio_track_stats->set_state(state); | 
|  | return audio_track_stats; | 
|  | } | 
|  |  | 
|  | explicit FakeAudioTrackForStats(const std::string& id) | 
|  | : MediaStreamTrack<AudioTrackInterface>(id) {} | 
|  |  | 
|  | std::string kind() const override { | 
|  | return MediaStreamTrackInterface::kAudioKind; | 
|  | } | 
|  | webrtc::AudioSourceInterface* GetSource() const override { return nullptr; } | 
|  | void AddSink(webrtc::AudioTrackSinkInterface* sink) override {} | 
|  | void RemoveSink(webrtc::AudioTrackSinkInterface* sink) override {} | 
|  | bool GetSignalLevel(int* level) override { return false; } | 
|  | rtc::scoped_refptr<AudioProcessorInterface> GetAudioProcessor() override { | 
|  | return nullptr; | 
|  | } | 
|  | }; | 
|  |  | 
|  | class FakeVideoTrackSourceForStats : public VideoTrackSourceInterface { | 
|  | public: | 
|  | static rtc::scoped_refptr<FakeVideoTrackSourceForStats> Create( | 
|  | int input_width, | 
|  | int input_height) { | 
|  | return rtc::scoped_refptr<FakeVideoTrackSourceForStats>( | 
|  | new rtc::RefCountedObject<FakeVideoTrackSourceForStats>(input_width, | 
|  | input_height)); | 
|  | } | 
|  |  | 
|  | FakeVideoTrackSourceForStats(int input_width, int input_height) | 
|  | : input_width_(input_width), input_height_(input_height) {} | 
|  | ~FakeVideoTrackSourceForStats() override {} | 
|  |  | 
|  | // VideoTrackSourceInterface | 
|  | bool is_screencast() const override { return false; } | 
|  | absl::optional<bool> needs_denoising() const override { return false; } | 
|  | bool GetStats(VideoTrackSourceInterface::Stats* stats) override { | 
|  | stats->input_width = input_width_; | 
|  | stats->input_height = input_height_; | 
|  | return true; | 
|  | } | 
|  | // MediaSourceInterface (part of VideoTrackSourceInterface) | 
|  | MediaSourceInterface::SourceState state() const override { | 
|  | return MediaSourceInterface::SourceState::kLive; | 
|  | } | 
|  | bool remote() const override { return false; } | 
|  | // NotifierInterface (part of MediaSourceInterface) | 
|  | void RegisterObserver(ObserverInterface* observer) override {} | 
|  | void UnregisterObserver(ObserverInterface* observer) override {} | 
|  | // rtc::VideoSourceInterface<VideoFrame> (part of VideoTrackSourceInterface) | 
|  | void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink, | 
|  | const rtc::VideoSinkWants& wants) override {} | 
|  | void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override {} | 
|  |  | 
|  | private: | 
|  | int input_width_; | 
|  | int input_height_; | 
|  | }; | 
|  |  | 
|  | class FakeVideoTrackForStats : public MediaStreamTrack<VideoTrackInterface> { | 
|  | public: | 
|  | static rtc::scoped_refptr<FakeVideoTrackForStats> Create( | 
|  | const std::string& id, | 
|  | MediaStreamTrackInterface::TrackState state, | 
|  | rtc::scoped_refptr<VideoTrackSourceInterface> source) { | 
|  | rtc::scoped_refptr<FakeVideoTrackForStats> video_track( | 
|  | new rtc::RefCountedObject<FakeVideoTrackForStats>(id, | 
|  | std::move(source))); | 
|  | video_track->set_state(state); | 
|  | return video_track; | 
|  | } | 
|  |  | 
|  | FakeVideoTrackForStats(const std::string& id, | 
|  | rtc::scoped_refptr<VideoTrackSourceInterface> source) | 
|  | : MediaStreamTrack<VideoTrackInterface>(id), source_(source) {} | 
|  |  | 
|  | std::string kind() const override { | 
|  | return MediaStreamTrackInterface::kVideoKind; | 
|  | } | 
|  |  | 
|  | void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink, | 
|  | const rtc::VideoSinkWants& wants) override {} | 
|  | void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override {} | 
|  |  | 
|  | VideoTrackSourceInterface* GetSource() const override { | 
|  | return source_.get(); | 
|  | } | 
|  |  | 
|  | private: | 
|  | rtc::scoped_refptr<VideoTrackSourceInterface> source_; | 
|  | }; | 
|  |  | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> CreateFakeTrack( | 
|  | cricket::MediaType media_type, | 
|  | const std::string& track_id, | 
|  | MediaStreamTrackInterface::TrackState track_state) { | 
|  | if (media_type == cricket::MEDIA_TYPE_AUDIO) { | 
|  | return FakeAudioTrackForStats::Create(track_id, track_state); | 
|  | } else { | 
|  | RTC_DCHECK_EQ(media_type, cricket::MEDIA_TYPE_VIDEO); | 
|  | return FakeVideoTrackForStats::Create(track_id, track_state, nullptr); | 
|  | } | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> CreateMockSender( | 
|  | cricket::MediaType media_type, | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> track, | 
|  | uint32_t ssrc, | 
|  | int attachment_id, | 
|  | std::vector<std::string> local_stream_ids) { | 
|  | RTC_DCHECK(!track || | 
|  | (track->kind() == MediaStreamTrackInterface::kAudioKind && | 
|  | media_type == cricket::MEDIA_TYPE_AUDIO) || | 
|  | (track->kind() == MediaStreamTrackInterface::kVideoKind && | 
|  | media_type == cricket::MEDIA_TYPE_VIDEO)); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender( | 
|  | new rtc::RefCountedObject<MockRtpSenderInternal>()); | 
|  | EXPECT_CALL(*sender, track()).WillRepeatedly(Return(track)); | 
|  | EXPECT_CALL(*sender, ssrc()).WillRepeatedly(Return(ssrc)); | 
|  | EXPECT_CALL(*sender, media_type()).WillRepeatedly(Return(media_type)); | 
|  | EXPECT_CALL(*sender, GetParameters()).WillRepeatedly(Invoke([ssrc]() { | 
|  | RtpParameters params; | 
|  | params.encodings.push_back(RtpEncodingParameters()); | 
|  | params.encodings[0].ssrc = ssrc; | 
|  | return params; | 
|  | })); | 
|  | EXPECT_CALL(*sender, AttachmentId()).WillRepeatedly(Return(attachment_id)); | 
|  | EXPECT_CALL(*sender, stream_ids()).WillRepeatedly(Return(local_stream_ids)); | 
|  | return sender; | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpReceiverInternal> CreateMockReceiver( | 
|  | const rtc::scoped_refptr<MediaStreamTrackInterface>& track, | 
|  | uint32_t ssrc, | 
|  | int attachment_id) { | 
|  | rtc::scoped_refptr<MockRtpReceiverInternal> receiver( | 
|  | new rtc::RefCountedObject<MockRtpReceiverInternal>()); | 
|  | EXPECT_CALL(*receiver, track()).WillRepeatedly(Return(track)); | 
|  | EXPECT_CALL(*receiver, streams()) | 
|  | .WillRepeatedly( | 
|  | Return(std::vector<rtc::scoped_refptr<MediaStreamInterface>>({}))); | 
|  |  | 
|  | EXPECT_CALL(*receiver, media_type()) | 
|  | .WillRepeatedly( | 
|  | Return(track->kind() == MediaStreamTrackInterface::kAudioKind | 
|  | ? cricket::MEDIA_TYPE_AUDIO | 
|  | : cricket::MEDIA_TYPE_VIDEO)); | 
|  | EXPECT_CALL(*receiver, GetParameters()).WillRepeatedly(Invoke([ssrc]() { | 
|  | RtpParameters params; | 
|  | params.encodings.push_back(RtpEncodingParameters()); | 
|  | params.encodings[0].ssrc = ssrc; | 
|  | return params; | 
|  | })); | 
|  | EXPECT_CALL(*receiver, AttachmentId()).WillRepeatedly(Return(attachment_id)); | 
|  | return receiver; | 
|  | } | 
|  |  | 
|  | class RTCStatsCollectorWrapper { | 
|  | public: | 
|  | explicit RTCStatsCollectorWrapper( | 
|  | rtc::scoped_refptr<FakePeerConnectionForStats> pc) | 
|  | : pc_(pc), | 
|  | stats_collector_( | 
|  | RTCStatsCollector::Create(pc, 50 * rtc::kNumMicrosecsPerMillisec)) { | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<RTCStatsCollector> stats_collector() { | 
|  | return stats_collector_; | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> GetStatsReport() { | 
|  | rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create(); | 
|  | stats_collector_->GetStatsReport(callback); | 
|  | return WaitForReport(callback); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> GetStatsReportWithSenderSelector( | 
|  | rtc::scoped_refptr<RtpSenderInternal> selector) { | 
|  | rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create(); | 
|  | stats_collector_->GetStatsReport(selector, callback); | 
|  | return WaitForReport(callback); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> GetStatsReportWithReceiverSelector( | 
|  | rtc::scoped_refptr<RtpReceiverInternal> selector) { | 
|  | rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create(); | 
|  | stats_collector_->GetStatsReport(selector, callback); | 
|  | return WaitForReport(callback); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> GetFreshStatsReport() { | 
|  | stats_collector_->ClearCachedStatsReport(); | 
|  | return GetStatsReport(); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> SetupLocalTrackAndSender( | 
|  | cricket::MediaType media_type, | 
|  | const std::string& track_id, | 
|  | uint32_t ssrc, | 
|  | bool add_stream, | 
|  | int attachment_id) { | 
|  | rtc::scoped_refptr<MediaStream> local_stream; | 
|  | if (add_stream) { | 
|  | local_stream = MediaStream::Create("LocalStreamId"); | 
|  | pc_->mutable_local_streams()->AddStream(local_stream); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> track; | 
|  | if (media_type == cricket::MEDIA_TYPE_AUDIO) { | 
|  | track = CreateFakeTrack(media_type, track_id, | 
|  | MediaStreamTrackInterface::kLive); | 
|  | if (add_stream) { | 
|  | local_stream->AddTrack(static_cast<AudioTrackInterface*>(track.get())); | 
|  | } | 
|  | } else { | 
|  | track = CreateFakeTrack(media_type, track_id, | 
|  | MediaStreamTrackInterface::kLive); | 
|  | if (add_stream) { | 
|  | local_stream->AddTrack(static_cast<VideoTrackInterface*>(track.get())); | 
|  | } | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = | 
|  | CreateMockSender(media_type, track, ssrc, attachment_id, {}); | 
|  | pc_->AddSender(sender); | 
|  | return sender; | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpReceiverInternal> SetupRemoteTrackAndReceiver( | 
|  | cricket::MediaType media_type, | 
|  | const std::string& track_id, | 
|  | const std::string& stream_id, | 
|  | uint32_t ssrc) { | 
|  | rtc::scoped_refptr<MediaStream> remote_stream = | 
|  | MediaStream::Create(stream_id); | 
|  | pc_->mutable_remote_streams()->AddStream(remote_stream); | 
|  |  | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> track; | 
|  | if (media_type == cricket::MEDIA_TYPE_AUDIO) { | 
|  | track = CreateFakeTrack(media_type, track_id, | 
|  | MediaStreamTrackInterface::kLive); | 
|  | remote_stream->AddTrack(static_cast<AudioTrackInterface*>(track.get())); | 
|  | } else { | 
|  | track = CreateFakeTrack(media_type, track_id, | 
|  | MediaStreamTrackInterface::kLive); | 
|  | remote_stream->AddTrack(static_cast<VideoTrackInterface*>(track.get())); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpReceiverInternal> receiver = | 
|  | CreateMockReceiver(track, ssrc, 62); | 
|  | EXPECT_CALL(*receiver, streams()) | 
|  | .WillRepeatedly( | 
|  | Return(std::vector<rtc::scoped_refptr<MediaStreamInterface>>( | 
|  | {remote_stream}))); | 
|  | pc_->AddReceiver(receiver); | 
|  | return receiver; | 
|  | } | 
|  |  | 
|  | // Attaches tracks to peer connections by configuring RTP senders and RTP | 
|  | // receivers according to the tracks' pairings with | 
|  | // |[Voice/Video][Sender/Receiver]Info| and their SSRCs. Local tracks can be | 
|  | // associated with multiple |[Voice/Video]SenderInfo|s, remote tracks can only | 
|  | // be associated with one |[Voice/Video]ReceiverInfo|. | 
|  | // Senders get assigned attachment ID "ssrc + 10". | 
|  | void CreateMockRtpSendersReceiversAndChannels( | 
|  | std::initializer_list< | 
|  | std::pair<MediaStreamTrackInterface*, cricket::VoiceSenderInfo>> | 
|  | local_audio_track_info_pairs, | 
|  | std::initializer_list< | 
|  | std::pair<MediaStreamTrackInterface*, cricket::VoiceReceiverInfo>> | 
|  | remote_audio_track_info_pairs, | 
|  | std::initializer_list< | 
|  | std::pair<MediaStreamTrackInterface*, cricket::VideoSenderInfo>> | 
|  | local_video_track_info_pairs, | 
|  | std::initializer_list< | 
|  | std::pair<MediaStreamTrackInterface*, cricket::VideoReceiverInfo>> | 
|  | remote_video_track_info_pairs, | 
|  | std::vector<std::string> local_stream_ids, | 
|  | std::vector<rtc::scoped_refptr<MediaStreamInterface>> remote_streams) { | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  |  | 
|  | // Local audio tracks and voice sender infos | 
|  | for (auto& pair : local_audio_track_info_pairs) { | 
|  | MediaStreamTrackInterface* local_audio_track = pair.first; | 
|  | const cricket::VoiceSenderInfo& voice_sender_info = pair.second; | 
|  | RTC_DCHECK_EQ(local_audio_track->kind(), | 
|  | MediaStreamTrackInterface::kAudioKind); | 
|  |  | 
|  | voice_media_info.senders.push_back(voice_sender_info); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> rtp_sender = CreateMockSender( | 
|  | cricket::MEDIA_TYPE_AUDIO, | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface>(local_audio_track), | 
|  | voice_sender_info.local_stats[0].ssrc, | 
|  | voice_sender_info.local_stats[0].ssrc + 10, local_stream_ids); | 
|  | pc_->AddSender(rtp_sender); | 
|  | } | 
|  |  | 
|  | // Remote audio tracks and voice receiver infos | 
|  | for (auto& pair : remote_audio_track_info_pairs) { | 
|  | MediaStreamTrackInterface* remote_audio_track = pair.first; | 
|  | const cricket::VoiceReceiverInfo& voice_receiver_info = pair.second; | 
|  | RTC_DCHECK_EQ(remote_audio_track->kind(), | 
|  | MediaStreamTrackInterface::kAudioKind); | 
|  |  | 
|  | voice_media_info.receivers.push_back(voice_receiver_info); | 
|  | rtc::scoped_refptr<MockRtpReceiverInternal> rtp_receiver = | 
|  | CreateMockReceiver( | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface>(remote_audio_track), | 
|  | voice_receiver_info.local_stats[0].ssrc, | 
|  | voice_receiver_info.local_stats[0].ssrc + 10); | 
|  | EXPECT_CALL(*rtp_receiver, streams()) | 
|  | .WillRepeatedly(Return(remote_streams)); | 
|  | pc_->AddReceiver(rtp_receiver); | 
|  | } | 
|  |  | 
|  | // Local video tracks and video sender infos | 
|  | for (auto& pair : local_video_track_info_pairs) { | 
|  | MediaStreamTrackInterface* local_video_track = pair.first; | 
|  | const cricket::VideoSenderInfo& video_sender_info = pair.second; | 
|  | RTC_DCHECK_EQ(local_video_track->kind(), | 
|  | MediaStreamTrackInterface::kVideoKind); | 
|  |  | 
|  | video_media_info.senders.push_back(video_sender_info); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> rtp_sender = CreateMockSender( | 
|  | cricket::MEDIA_TYPE_VIDEO, | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface>(local_video_track), | 
|  | video_sender_info.local_stats[0].ssrc, | 
|  | video_sender_info.local_stats[0].ssrc + 10, local_stream_ids); | 
|  | pc_->AddSender(rtp_sender); | 
|  | } | 
|  |  | 
|  | // Remote video tracks and video receiver infos | 
|  | for (auto& pair : remote_video_track_info_pairs) { | 
|  | MediaStreamTrackInterface* remote_video_track = pair.first; | 
|  | const cricket::VideoReceiverInfo& video_receiver_info = pair.second; | 
|  | RTC_DCHECK_EQ(remote_video_track->kind(), | 
|  | MediaStreamTrackInterface::kVideoKind); | 
|  |  | 
|  | video_media_info.receivers.push_back(video_receiver_info); | 
|  | rtc::scoped_refptr<MockRtpReceiverInternal> rtp_receiver = | 
|  | CreateMockReceiver( | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface>(remote_video_track), | 
|  | video_receiver_info.local_stats[0].ssrc, | 
|  | video_receiver_info.local_stats[0].ssrc + 10); | 
|  | EXPECT_CALL(*rtp_receiver, streams()) | 
|  | .WillRepeatedly(Return(remote_streams)); | 
|  | pc_->AddReceiver(rtp_receiver); | 
|  | } | 
|  |  | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("audio", "transport"); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  |  | 
|  | auto* video_media_channel = pc_->AddVideoChannel("video", "transport"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  | } | 
|  |  | 
|  | private: | 
|  | rtc::scoped_refptr<const RTCStatsReport> WaitForReport( | 
|  | rtc::scoped_refptr<RTCStatsObtainer> callback) { | 
|  | EXPECT_TRUE_WAIT(callback->report(), kGetStatsReportTimeoutMs); | 
|  | int64_t after = rtc::TimeUTCMicros(); | 
|  | for (const RTCStats& stats : *callback->report()) { | 
|  | EXPECT_LE(stats.timestamp_us(), after); | 
|  | } | 
|  | return callback->report(); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<FakePeerConnectionForStats> pc_; | 
|  | rtc::scoped_refptr<RTCStatsCollector> stats_collector_; | 
|  | }; | 
|  |  | 
|  | class RTCStatsCollectorTest : public ::testing::Test { | 
|  | public: | 
|  | RTCStatsCollectorTest() | 
|  | : pc_(new rtc::RefCountedObject<FakePeerConnectionForStats>()), | 
|  | stats_(new RTCStatsCollectorWrapper(pc_)) {} | 
|  |  | 
|  | void ExpectReportContainsCertificateInfo( | 
|  | const rtc::scoped_refptr<const RTCStatsReport>& report, | 
|  | const CertificateInfo& certinfo) { | 
|  | for (size_t i = 0; i < certinfo.fingerprints.size(); ++i) { | 
|  | RTCCertificateStats expected_certificate_stats( | 
|  | "RTCCertificate_" + certinfo.fingerprints[i], report->timestamp_us()); | 
|  | expected_certificate_stats.fingerprint = certinfo.fingerprints[i]; | 
|  | expected_certificate_stats.fingerprint_algorithm = "sha-1"; | 
|  | expected_certificate_stats.base64_certificate = certinfo.pems[i]; | 
|  | if (i + 1 < certinfo.fingerprints.size()) { | 
|  | expected_certificate_stats.issuer_certificate_id = | 
|  | "RTCCertificate_" + certinfo.fingerprints[i + 1]; | 
|  | } | 
|  | ASSERT_TRUE(report->Get(expected_certificate_stats.id())); | 
|  | EXPECT_EQ(expected_certificate_stats, | 
|  | report->Get(expected_certificate_stats.id()) | 
|  | ->cast_to<RTCCertificateStats>()); | 
|  | } | 
|  | } | 
|  |  | 
|  | struct ExampleStatsGraph { | 
|  | rtc::scoped_refptr<RtpSenderInternal> sender; | 
|  | rtc::scoped_refptr<RtpReceiverInternal> receiver; | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> full_report; | 
|  | std::string send_codec_id; | 
|  | std::string recv_codec_id; | 
|  | std::string outbound_rtp_id; | 
|  | std::string inbound_rtp_id; | 
|  | std::string transport_id; | 
|  | std::string sender_track_id; | 
|  | std::string receiver_track_id; | 
|  | std::string remote_stream_id; | 
|  | std::string peer_connection_id; | 
|  | std::string media_source_id; | 
|  | }; | 
|  |  | 
|  | // Sets up the example stats graph (see ASCII art below) used for testing the | 
|  | // stats selection algorithm, | 
|  | // https://w3c.github.io/webrtc-pc/#dfn-stats-selection-algorithm. | 
|  | // These tests test the integration of the stats traversal algorithm inside of | 
|  | // RTCStatsCollector. See rtcstatstraveral_unittest.cc for more stats | 
|  | // traversal tests. | 
|  | ExampleStatsGraph SetupExampleStatsGraphForSelectorTests() { | 
|  | ExampleStatsGraph graph; | 
|  |  | 
|  | // codec (send) | 
|  | graph.send_codec_id = "RTCCodec_VideoMid_Outbound_1"; | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  | RtpCodecParameters send_codec; | 
|  | send_codec.payload_type = 1; | 
|  | send_codec.clock_rate = 0; | 
|  | video_media_info.send_codecs.insert( | 
|  | std::make_pair(send_codec.payload_type, send_codec)); | 
|  | // codec (recv) | 
|  | graph.recv_codec_id = "RTCCodec_VideoMid_Inbound_2"; | 
|  | RtpCodecParameters recv_codec; | 
|  | recv_codec.payload_type = 2; | 
|  | recv_codec.clock_rate = 0; | 
|  | video_media_info.receive_codecs.insert( | 
|  | std::make_pair(recv_codec.payload_type, recv_codec)); | 
|  | // outbound-rtp | 
|  | graph.outbound_rtp_id = "RTCOutboundRTPVideoStream_3"; | 
|  | video_media_info.senders.push_back(cricket::VideoSenderInfo()); | 
|  | video_media_info.senders[0].local_stats.push_back( | 
|  | cricket::SsrcSenderInfo()); | 
|  | video_media_info.senders[0].local_stats[0].ssrc = 3; | 
|  | video_media_info.senders[0].codec_payload_type = send_codec.payload_type; | 
|  | // inbound-rtp | 
|  | graph.inbound_rtp_id = "RTCInboundRTPVideoStream_4"; | 
|  | video_media_info.receivers.push_back(cricket::VideoReceiverInfo()); | 
|  | video_media_info.receivers[0].local_stats.push_back( | 
|  | cricket::SsrcReceiverInfo()); | 
|  | video_media_info.receivers[0].local_stats[0].ssrc = 4; | 
|  | video_media_info.receivers[0].codec_payload_type = recv_codec.payload_type; | 
|  | // transport | 
|  | graph.transport_id = "RTCTransport_TransportName_1"; | 
|  | auto* video_media_channel = | 
|  | pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  | // track (sender) | 
|  | graph.sender = stats_->SetupLocalTrackAndSender( | 
|  | cricket::MEDIA_TYPE_VIDEO, "LocalVideoTrackID", 3, false, 50); | 
|  | graph.sender_track_id = "RTCMediaStreamTrack_sender_" + | 
|  | rtc::ToString(graph.sender->AttachmentId()); | 
|  | // track (receiver) and stream (remote stream) | 
|  | graph.receiver = stats_->SetupRemoteTrackAndReceiver( | 
|  | cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", "RemoteStreamId", 4); | 
|  | graph.receiver_track_id = "RTCMediaStreamTrack_receiver_" + | 
|  | rtc::ToString(graph.receiver->AttachmentId()); | 
|  | graph.remote_stream_id = "RTCMediaStream_RemoteStreamId"; | 
|  | // peer-connection | 
|  | graph.peer_connection_id = "RTCPeerConnection"; | 
|  | // media-source (kind: video) | 
|  | graph.media_source_id = | 
|  | "RTCVideoSource_" + rtc::ToString(graph.sender->AttachmentId()); | 
|  |  | 
|  | // Expected stats graph: | 
|  | // | 
|  | //  +--- track (sender)      stream (remote stream) ---> track (receiver) | 
|  | //  |             ^                                        ^ | 
|  | //  |             |                                        | | 
|  | //  | +--------- outbound-rtp   inbound-rtp ---------------+ | 
|  | //  | |           |        |     |       | | 
|  | //  | |           v        v     v       v | 
|  | //  | |  codec (send)     transport     codec (recv)     peer-connection | 
|  | //  v v | 
|  | //  media-source | 
|  |  | 
|  | // Verify the stats graph is set up correctly. | 
|  | graph.full_report = stats_->GetStatsReport(); | 
|  | EXPECT_EQ(graph.full_report->size(), 10u); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.send_codec_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.recv_codec_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.outbound_rtp_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.inbound_rtp_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.transport_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.sender_track_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.receiver_track_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.remote_stream_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.peer_connection_id)); | 
|  | EXPECT_TRUE(graph.full_report->Get(graph.media_source_id)); | 
|  | const auto& sender_track = graph.full_report->Get(graph.sender_track_id) | 
|  | ->cast_to<RTCMediaStreamTrackStats>(); | 
|  | EXPECT_EQ(*sender_track.media_source_id, graph.media_source_id); | 
|  | const auto& outbound_rtp = graph.full_report->Get(graph.outbound_rtp_id) | 
|  | ->cast_to<RTCOutboundRTPStreamStats>(); | 
|  | EXPECT_EQ(*outbound_rtp.media_source_id, graph.media_source_id); | 
|  | EXPECT_EQ(*outbound_rtp.codec_id, graph.send_codec_id); | 
|  | EXPECT_EQ(*outbound_rtp.track_id, graph.sender_track_id); | 
|  | EXPECT_EQ(*outbound_rtp.transport_id, graph.transport_id); | 
|  | const auto& inbound_rtp = graph.full_report->Get(graph.inbound_rtp_id) | 
|  | ->cast_to<RTCInboundRTPStreamStats>(); | 
|  | EXPECT_EQ(*inbound_rtp.codec_id, graph.recv_codec_id); | 
|  | EXPECT_EQ(*inbound_rtp.track_id, graph.receiver_track_id); | 
|  | EXPECT_EQ(*inbound_rtp.transport_id, graph.transport_id); | 
|  |  | 
|  | return graph; | 
|  | } | 
|  |  | 
|  | protected: | 
|  | rtc::ScopedFakeClock fake_clock_; | 
|  | rtc::scoped_refptr<FakePeerConnectionForStats> pc_; | 
|  | std::unique_ptr<RTCStatsCollectorWrapper> stats_; | 
|  | }; | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, SingleCallback) { | 
|  | rtc::scoped_refptr<const RTCStatsReport> result; | 
|  | stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&result)); | 
|  | EXPECT_TRUE_WAIT(result, kGetStatsReportTimeoutMs); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, MultipleCallbacks) { | 
|  | rtc::scoped_refptr<const RTCStatsReport> a, b, c; | 
|  | stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&a)); | 
|  | stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&b)); | 
|  | stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&c)); | 
|  | EXPECT_TRUE_WAIT(a, kGetStatsReportTimeoutMs); | 
|  | EXPECT_TRUE_WAIT(b, kGetStatsReportTimeoutMs); | 
|  | EXPECT_TRUE_WAIT(c, kGetStatsReportTimeoutMs); | 
|  |  | 
|  | EXPECT_EQ(a.get(), b.get()); | 
|  | EXPECT_EQ(b.get(), c.get()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CachedStatsReports) { | 
|  | // Caching should ensure |a| and |b| are the same report. | 
|  | rtc::scoped_refptr<const RTCStatsReport> a = stats_->GetStatsReport(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> b = stats_->GetStatsReport(); | 
|  | EXPECT_EQ(a.get(), b.get()); | 
|  | // Invalidate cache by clearing it. | 
|  | stats_->stats_collector()->ClearCachedStatsReport(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> c = stats_->GetStatsReport(); | 
|  | EXPECT_NE(b.get(), c.get()); | 
|  | // Invalidate cache by advancing time. | 
|  | fake_clock_.AdvanceTime(TimeDelta::ms(51)); | 
|  | rtc::scoped_refptr<const RTCStatsReport> d = stats_->GetStatsReport(); | 
|  | EXPECT_TRUE(d); | 
|  | EXPECT_NE(c.get(), d.get()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, MultipleCallbacksWithInvalidatedCacheInBetween) { | 
|  | rtc::scoped_refptr<const RTCStatsReport> a, b, c; | 
|  | stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&a)); | 
|  | stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&b)); | 
|  | // Cache is invalidated after 50 ms. | 
|  | fake_clock_.AdvanceTime(TimeDelta::ms(51)); | 
|  | stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&c)); | 
|  | EXPECT_TRUE_WAIT(a, kGetStatsReportTimeoutMs); | 
|  | EXPECT_TRUE_WAIT(b, kGetStatsReportTimeoutMs); | 
|  | EXPECT_TRUE_WAIT(c, kGetStatsReportTimeoutMs); | 
|  | EXPECT_EQ(a.get(), b.get()); | 
|  | // The act of doing |AdvanceTime| processes all messages. If this was not the | 
|  | // case we might not require |c| to be fresher than |b|. | 
|  | EXPECT_NE(c.get(), b.get()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, ToJsonProducesParseableJson) { | 
|  | ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | std::string json_format = report->ToJson(); | 
|  | Json::Reader reader; | 
|  | Json::Value json_value; | 
|  | ASSERT_TRUE(reader.parse(json_format, json_value)); | 
|  | // A very brief sanity check on the result. | 
|  | EXPECT_EQ(report->size(), json_value.size()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsSingle) { | 
|  | const char kTransportName[] = "transport"; | 
|  |  | 
|  | pc_->AddVoiceChannel("audio", kTransportName); | 
|  |  | 
|  | std::unique_ptr<CertificateInfo> local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({"(local) single certificate"})); | 
|  | pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate); | 
|  |  | 
|  | std::unique_ptr<CertificateInfo> remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({"(remote) single certificate"})); | 
|  | pc_->SetRemoteCertChain( | 
|  | kTransportName, | 
|  | remote_certinfo->certificate->GetSSLCertificateChain().Clone()); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | ExpectReportContainsCertificateInfo(report, *local_certinfo); | 
|  | ExpectReportContainsCertificateInfo(report, *remote_certinfo); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCCodecStats) { | 
|  | // Audio | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  |  | 
|  | RtpCodecParameters inbound_audio_codec; | 
|  | inbound_audio_codec.payload_type = 1; | 
|  | inbound_audio_codec.kind = cricket::MEDIA_TYPE_AUDIO; | 
|  | inbound_audio_codec.name = "opus"; | 
|  | inbound_audio_codec.clock_rate = 1337; | 
|  | voice_media_info.receive_codecs.insert( | 
|  | std::make_pair(inbound_audio_codec.payload_type, inbound_audio_codec)); | 
|  |  | 
|  | RtpCodecParameters outbound_audio_codec; | 
|  | outbound_audio_codec.payload_type = 2; | 
|  | outbound_audio_codec.kind = cricket::MEDIA_TYPE_AUDIO; | 
|  | outbound_audio_codec.name = "isac"; | 
|  | outbound_audio_codec.clock_rate = 1338; | 
|  | voice_media_info.send_codecs.insert( | 
|  | std::make_pair(outbound_audio_codec.payload_type, outbound_audio_codec)); | 
|  |  | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName"); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  |  | 
|  | // Video | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  |  | 
|  | RtpCodecParameters inbound_video_codec; | 
|  | inbound_video_codec.payload_type = 3; | 
|  | inbound_video_codec.kind = cricket::MEDIA_TYPE_VIDEO; | 
|  | inbound_video_codec.name = "H264"; | 
|  | inbound_video_codec.clock_rate = 1339; | 
|  | video_media_info.receive_codecs.insert( | 
|  | std::make_pair(inbound_video_codec.payload_type, inbound_video_codec)); | 
|  |  | 
|  | RtpCodecParameters outbound_video_codec; | 
|  | outbound_video_codec.payload_type = 4; | 
|  | outbound_video_codec.kind = cricket::MEDIA_TYPE_VIDEO; | 
|  | outbound_video_codec.name = "VP8"; | 
|  | outbound_video_codec.clock_rate = 1340; | 
|  | video_media_info.send_codecs.insert( | 
|  | std::make_pair(outbound_video_codec.payload_type, outbound_video_codec)); | 
|  |  | 
|  | auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCCodecStats expected_inbound_audio_codec("RTCCodec_AudioMid_Inbound_1", | 
|  | report->timestamp_us()); | 
|  | expected_inbound_audio_codec.payload_type = 1; | 
|  | expected_inbound_audio_codec.mime_type = "audio/opus"; | 
|  | expected_inbound_audio_codec.clock_rate = 1337; | 
|  |  | 
|  | RTCCodecStats expected_outbound_audio_codec("RTCCodec_AudioMid_Outbound_2", | 
|  | report->timestamp_us()); | 
|  | expected_outbound_audio_codec.payload_type = 2; | 
|  | expected_outbound_audio_codec.mime_type = "audio/isac"; | 
|  | expected_outbound_audio_codec.clock_rate = 1338; | 
|  |  | 
|  | RTCCodecStats expected_inbound_video_codec("RTCCodec_VideoMid_Inbound_3", | 
|  | report->timestamp_us()); | 
|  | expected_inbound_video_codec.payload_type = 3; | 
|  | expected_inbound_video_codec.mime_type = "video/H264"; | 
|  | expected_inbound_video_codec.clock_rate = 1339; | 
|  |  | 
|  | RTCCodecStats expected_outbound_video_codec("RTCCodec_VideoMid_Outbound_4", | 
|  | report->timestamp_us()); | 
|  | expected_outbound_video_codec.payload_type = 4; | 
|  | expected_outbound_video_codec.mime_type = "video/VP8"; | 
|  | expected_outbound_video_codec.clock_rate = 1340; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_inbound_audio_codec.id())); | 
|  | EXPECT_EQ( | 
|  | expected_inbound_audio_codec, | 
|  | report->Get(expected_inbound_audio_codec.id())->cast_to<RTCCodecStats>()); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_outbound_audio_codec.id())); | 
|  | EXPECT_EQ(expected_outbound_audio_codec, | 
|  | report->Get(expected_outbound_audio_codec.id()) | 
|  | ->cast_to<RTCCodecStats>()); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_inbound_video_codec.id())); | 
|  | EXPECT_EQ( | 
|  | expected_inbound_video_codec, | 
|  | report->Get(expected_inbound_video_codec.id())->cast_to<RTCCodecStats>()); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_outbound_video_codec.id())); | 
|  | EXPECT_EQ(expected_outbound_video_codec, | 
|  | report->Get(expected_outbound_video_codec.id()) | 
|  | ->cast_to<RTCCodecStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsMultiple) { | 
|  | const char kAudioTransport[] = "audio"; | 
|  | const char kVideoTransport[] = "video"; | 
|  |  | 
|  | pc_->AddVoiceChannel("audio", kAudioTransport); | 
|  | std::unique_ptr<CertificateInfo> audio_local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({"(local) audio"})); | 
|  | pc_->SetLocalCertificate(kAudioTransport, audio_local_certinfo->certificate); | 
|  | std::unique_ptr<CertificateInfo> audio_remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({"(remote) audio"})); | 
|  | pc_->SetRemoteCertChain( | 
|  | kAudioTransport, | 
|  | audio_remote_certinfo->certificate->GetSSLCertificateChain().Clone()); | 
|  |  | 
|  | pc_->AddVideoChannel("video", kVideoTransport); | 
|  | std::unique_ptr<CertificateInfo> video_local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({"(local) video"})); | 
|  | pc_->SetLocalCertificate(kVideoTransport, video_local_certinfo->certificate); | 
|  | std::unique_ptr<CertificateInfo> video_remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({"(remote) video"})); | 
|  | pc_->SetRemoteCertChain( | 
|  | kVideoTransport, | 
|  | video_remote_certinfo->certificate->GetSSLCertificateChain().Clone()); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | ExpectReportContainsCertificateInfo(report, *audio_local_certinfo); | 
|  | ExpectReportContainsCertificateInfo(report, *audio_remote_certinfo); | 
|  | ExpectReportContainsCertificateInfo(report, *video_local_certinfo); | 
|  | ExpectReportContainsCertificateInfo(report, *video_remote_certinfo); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsChain) { | 
|  | const char kTransportName[] = "transport"; | 
|  |  | 
|  | pc_->AddVoiceChannel("audio", kTransportName); | 
|  |  | 
|  | std::unique_ptr<CertificateInfo> local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | {"(local) this", "(local) is", "(local) a", "(local) chain"}); | 
|  | pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate); | 
|  |  | 
|  | std::unique_ptr<CertificateInfo> remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers({"(remote) this", "(remote) is", | 
|  | "(remote) another", | 
|  | "(remote) chain"}); | 
|  | pc_->SetRemoteCertChain( | 
|  | kTransportName, | 
|  | remote_certinfo->certificate->GetSSLCertificateChain().Clone()); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | ExpectReportContainsCertificateInfo(report, *local_certinfo); | 
|  | ExpectReportContainsCertificateInfo(report, *remote_certinfo); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectTwoRTCDataChannelStatsWithPendingId) { | 
|  | pc_->AddSctpDataChannel( | 
|  | new MockDataChannel(/*id=*/-1, DataChannelInterface::kConnecting)); | 
|  | pc_->AddSctpDataChannel( | 
|  | new MockDataChannel(/*id=*/-1, DataChannelInterface::kConnecting)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCDataChannelStats) { | 
|  | // Note: The test assumes data channel IDs are predictable. | 
|  | // This is not a safe assumption, but in order to make it work for | 
|  | // the test, we reset the ID allocator at test start. | 
|  | DataChannel::ResetInternalIdAllocatorForTesting(-1); | 
|  | pc_->AddSctpDataChannel(new MockDataChannel(0, "MockDataChannel0", | 
|  | DataChannelInterface::kConnecting, | 
|  | "udp", 1, 2, 3, 4)); | 
|  | RTCDataChannelStats expected_data_channel0("RTCDataChannel_0", 0); | 
|  | expected_data_channel0.label = "MockDataChannel0"; | 
|  | expected_data_channel0.protocol = "udp"; | 
|  | expected_data_channel0.datachannelid = 0; | 
|  | expected_data_channel0.state = "connecting"; | 
|  | expected_data_channel0.messages_sent = 1; | 
|  | expected_data_channel0.bytes_sent = 2; | 
|  | expected_data_channel0.messages_received = 3; | 
|  | expected_data_channel0.bytes_received = 4; | 
|  |  | 
|  | pc_->AddSctpDataChannel(new MockDataChannel( | 
|  | 1, "MockDataChannel1", DataChannelInterface::kOpen, "tcp", 5, 6, 7, 8)); | 
|  | RTCDataChannelStats expected_data_channel1("RTCDataChannel_1", 0); | 
|  | expected_data_channel1.label = "MockDataChannel1"; | 
|  | expected_data_channel1.protocol = "tcp"; | 
|  | expected_data_channel1.datachannelid = 1; | 
|  | expected_data_channel1.state = "open"; | 
|  | expected_data_channel1.messages_sent = 5; | 
|  | expected_data_channel1.bytes_sent = 6; | 
|  | expected_data_channel1.messages_received = 7; | 
|  | expected_data_channel1.bytes_received = 8; | 
|  |  | 
|  | pc_->AddSctpDataChannel(new MockDataChannel(2, "MockDataChannel2", | 
|  | DataChannelInterface::kClosing, | 
|  | "udp", 9, 10, 11, 12)); | 
|  | RTCDataChannelStats expected_data_channel2("RTCDataChannel_2", 0); | 
|  | expected_data_channel2.label = "MockDataChannel2"; | 
|  | expected_data_channel2.protocol = "udp"; | 
|  | expected_data_channel2.datachannelid = 2; | 
|  | expected_data_channel2.state = "closing"; | 
|  | expected_data_channel2.messages_sent = 9; | 
|  | expected_data_channel2.bytes_sent = 10; | 
|  | expected_data_channel2.messages_received = 11; | 
|  | expected_data_channel2.bytes_received = 12; | 
|  |  | 
|  | pc_->AddSctpDataChannel(new MockDataChannel(3, "MockDataChannel3", | 
|  | DataChannelInterface::kClosed, | 
|  | "tcp", 13, 14, 15, 16)); | 
|  | RTCDataChannelStats expected_data_channel3("RTCDataChannel_3", 0); | 
|  | expected_data_channel3.label = "MockDataChannel3"; | 
|  | expected_data_channel3.protocol = "tcp"; | 
|  | expected_data_channel3.datachannelid = 3; | 
|  | expected_data_channel3.state = "closed"; | 
|  | expected_data_channel3.messages_sent = 13; | 
|  | expected_data_channel3.bytes_sent = 14; | 
|  | expected_data_channel3.messages_received = 15; | 
|  | expected_data_channel3.bytes_received = 16; | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_data_channel0.id())); | 
|  | EXPECT_EQ( | 
|  | expected_data_channel0, | 
|  | report->Get(expected_data_channel0.id())->cast_to<RTCDataChannelStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_data_channel1.id())); | 
|  | EXPECT_EQ( | 
|  | expected_data_channel1, | 
|  | report->Get(expected_data_channel1.id())->cast_to<RTCDataChannelStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_data_channel2.id())); | 
|  | EXPECT_EQ( | 
|  | expected_data_channel2, | 
|  | report->Get(expected_data_channel2.id())->cast_to<RTCDataChannelStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_data_channel3.id())); | 
|  | EXPECT_EQ( | 
|  | expected_data_channel3, | 
|  | report->Get(expected_data_channel3.id())->cast_to<RTCDataChannelStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidateStats) { | 
|  | // Candidates in the first transport stats. | 
|  | std::unique_ptr<cricket::Candidate> a_local_host = | 
|  | CreateFakeCandidate("1.2.3.4", 5, "a_local_host's protocol", | 
|  | rtc::ADAPTER_TYPE_VPN, cricket::LOCAL_PORT_TYPE, 0); | 
|  | RTCLocalIceCandidateStats expected_a_local_host( | 
|  | "RTCIceCandidate_" + a_local_host->id(), 0); | 
|  | expected_a_local_host.transport_id = "RTCTransport_a_0"; | 
|  | expected_a_local_host.network_type = "vpn"; | 
|  | expected_a_local_host.ip = "1.2.3.4"; | 
|  | expected_a_local_host.port = 5; | 
|  | expected_a_local_host.protocol = "a_local_host's protocol"; | 
|  | expected_a_local_host.candidate_type = "host"; | 
|  | expected_a_local_host.priority = 0; | 
|  | EXPECT_FALSE(*expected_a_local_host.is_remote); | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> a_remote_srflx = CreateFakeCandidate( | 
|  | "6.7.8.9", 10, "remote_srflx's protocol", rtc::ADAPTER_TYPE_UNKNOWN, | 
|  | cricket::STUN_PORT_TYPE, 1); | 
|  | RTCRemoteIceCandidateStats expected_a_remote_srflx( | 
|  | "RTCIceCandidate_" + a_remote_srflx->id(), 0); | 
|  | expected_a_remote_srflx.transport_id = "RTCTransport_a_0"; | 
|  | expected_a_remote_srflx.ip = "6.7.8.9"; | 
|  | expected_a_remote_srflx.port = 10; | 
|  | expected_a_remote_srflx.protocol = "remote_srflx's protocol"; | 
|  | expected_a_remote_srflx.candidate_type = "srflx"; | 
|  | expected_a_remote_srflx.priority = 1; | 
|  | expected_a_remote_srflx.deleted = false; | 
|  | EXPECT_TRUE(*expected_a_remote_srflx.is_remote); | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> a_local_prflx = CreateFakeCandidate( | 
|  | "11.12.13.14", 15, "a_local_prflx's protocol", rtc::ADAPTER_TYPE_CELLULAR, | 
|  | cricket::PRFLX_PORT_TYPE, 2); | 
|  | RTCLocalIceCandidateStats expected_a_local_prflx( | 
|  | "RTCIceCandidate_" + a_local_prflx->id(), 0); | 
|  | expected_a_local_prflx.transport_id = "RTCTransport_a_0"; | 
|  | expected_a_local_prflx.network_type = "cellular"; | 
|  | expected_a_local_prflx.ip = "11.12.13.14"; | 
|  | expected_a_local_prflx.port = 15; | 
|  | expected_a_local_prflx.protocol = "a_local_prflx's protocol"; | 
|  | expected_a_local_prflx.candidate_type = "prflx"; | 
|  | expected_a_local_prflx.priority = 2; | 
|  | expected_a_local_prflx.deleted = false; | 
|  | EXPECT_FALSE(*expected_a_local_prflx.is_remote); | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> a_remote_relay = CreateFakeCandidate( | 
|  | "16.17.18.19", 20, "a_remote_relay's protocol", rtc::ADAPTER_TYPE_UNKNOWN, | 
|  | cricket::RELAY_PORT_TYPE, 3); | 
|  | RTCRemoteIceCandidateStats expected_a_remote_relay( | 
|  | "RTCIceCandidate_" + a_remote_relay->id(), 0); | 
|  | expected_a_remote_relay.transport_id = "RTCTransport_a_0"; | 
|  | expected_a_remote_relay.ip = "16.17.18.19"; | 
|  | expected_a_remote_relay.port = 20; | 
|  | expected_a_remote_relay.protocol = "a_remote_relay's protocol"; | 
|  | expected_a_remote_relay.candidate_type = "relay"; | 
|  | expected_a_remote_relay.priority = 3; | 
|  | expected_a_remote_relay.deleted = false; | 
|  | EXPECT_TRUE(*expected_a_remote_relay.is_remote); | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> a_local_relay = CreateFakeCandidate( | 
|  | "16.17.18.19", 21, "a_local_relay's protocol", rtc::ADAPTER_TYPE_UNKNOWN, | 
|  | cricket::RELAY_PORT_TYPE, 1); | 
|  | a_local_relay->set_relay_protocol("tcp"); | 
|  |  | 
|  | RTCRemoteIceCandidateStats expected_a_local_relay( | 
|  | "RTCIceCandidate_" + a_local_relay->id(), 0); | 
|  | expected_a_local_relay.transport_id = "RTCTransport_a_0"; | 
|  | expected_a_local_relay.ip = "16.17.18.19"; | 
|  | expected_a_local_relay.port = 21; | 
|  | expected_a_local_relay.protocol = "a_local_relay's protocol"; | 
|  | expected_a_local_relay.relay_protocol = "tcp"; | 
|  | expected_a_local_relay.candidate_type = "relay"; | 
|  | expected_a_local_relay.priority = 1; | 
|  | expected_a_local_relay.deleted = false; | 
|  | EXPECT_TRUE(*expected_a_local_relay.is_remote); | 
|  |  | 
|  | // Candidates in the second transport stats. | 
|  | std::unique_ptr<cricket::Candidate> b_local = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "b_local's protocol", | 
|  | rtc::ADAPTER_TYPE_WIFI, cricket::LOCAL_PORT_TYPE, 42); | 
|  | RTCLocalIceCandidateStats expected_b_local("RTCIceCandidate_" + b_local->id(), | 
|  | 0); | 
|  | expected_b_local.transport_id = "RTCTransport_b_0"; | 
|  | expected_b_local.network_type = "wifi"; | 
|  | expected_b_local.ip = "42.42.42.42"; | 
|  | expected_b_local.port = 42; | 
|  | expected_b_local.protocol = "b_local's protocol"; | 
|  | expected_b_local.candidate_type = "host"; | 
|  | expected_b_local.priority = 42; | 
|  | expected_b_local.deleted = false; | 
|  | EXPECT_FALSE(*expected_b_local.is_remote); | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> b_remote = CreateFakeCandidate( | 
|  | "42.42.42.42", 42, "b_remote's protocol", rtc::ADAPTER_TYPE_UNKNOWN, | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | RTCRemoteIceCandidateStats expected_b_remote( | 
|  | "RTCIceCandidate_" + b_remote->id(), 0); | 
|  | expected_b_remote.transport_id = "RTCTransport_b_0"; | 
|  | expected_b_remote.ip = "42.42.42.42"; | 
|  | expected_b_remote.port = 42; | 
|  | expected_b_remote.protocol = "b_remote's protocol"; | 
|  | expected_b_remote.candidate_type = "host"; | 
|  | expected_b_remote.priority = 42; | 
|  | expected_b_remote.deleted = false; | 
|  | EXPECT_TRUE(*expected_b_remote.is_remote); | 
|  |  | 
|  | // Add candidate pairs to connection. | 
|  | cricket::TransportChannelStats a_transport_channel_stats; | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | cricket::ConnectionInfo()); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .local_candidate = *a_local_host.get(); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .remote_candidate = *a_remote_srflx.get(); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | cricket::ConnectionInfo()); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos[1] | 
|  | .local_candidate = *a_local_prflx.get(); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos[1] | 
|  | .remote_candidate = *a_remote_relay.get(); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | cricket::ConnectionInfo()); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos[2] | 
|  | .local_candidate = *a_local_relay.get(); | 
|  | a_transport_channel_stats.ice_transport_stats.connection_infos[2] | 
|  | .remote_candidate = *a_remote_relay.get(); | 
|  |  | 
|  | pc_->AddVoiceChannel("audio", "a"); | 
|  | pc_->SetTransportStats("a", a_transport_channel_stats); | 
|  |  | 
|  | cricket::TransportChannelStats b_transport_channel_stats; | 
|  | b_transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | cricket::ConnectionInfo()); | 
|  | b_transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .local_candidate = *b_local.get(); | 
|  | b_transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .remote_candidate = *b_remote.get(); | 
|  |  | 
|  | pc_->AddVideoChannel("video", "b"); | 
|  | pc_->SetTransportStats("b", b_transport_channel_stats); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_a_local_host.id())); | 
|  | EXPECT_EQ(expected_a_local_host, report->Get(expected_a_local_host.id()) | 
|  | ->cast_to<RTCLocalIceCandidateStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_a_remote_srflx.id())); | 
|  | EXPECT_EQ(expected_a_remote_srflx, | 
|  | report->Get(expected_a_remote_srflx.id()) | 
|  | ->cast_to<RTCRemoteIceCandidateStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_a_local_prflx.id())); | 
|  | EXPECT_EQ(expected_a_local_prflx, report->Get(expected_a_local_prflx.id()) | 
|  | ->cast_to<RTCLocalIceCandidateStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_a_remote_relay.id())); | 
|  | EXPECT_EQ(expected_a_remote_relay, | 
|  | report->Get(expected_a_remote_relay.id()) | 
|  | ->cast_to<RTCRemoteIceCandidateStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_b_local.id())); | 
|  | EXPECT_EQ( | 
|  | expected_b_local, | 
|  | report->Get(expected_b_local.id())->cast_to<RTCLocalIceCandidateStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_b_remote.id())); | 
|  | EXPECT_EQ(expected_b_remote, report->Get(expected_b_remote.id()) | 
|  | ->cast_to<RTCRemoteIceCandidateStats>()); | 
|  | EXPECT_TRUE(report->Get("RTCTransport_a_0")); | 
|  | EXPECT_TRUE(report->Get("RTCTransport_b_0")); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidatePairStats) { | 
|  | const char kTransportName[] = "transport"; | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> local_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI, | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> remote_candidate = CreateFakeCandidate( | 
|  | "42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_UNKNOWN, | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  |  | 
|  | cricket::ConnectionInfo connection_info; | 
|  | connection_info.best_connection = false; | 
|  | connection_info.local_candidate = *local_candidate.get(); | 
|  | connection_info.remote_candidate = *remote_candidate.get(); | 
|  | connection_info.writable = true; | 
|  | connection_info.sent_total_bytes = 42; | 
|  | connection_info.recv_total_bytes = 1234; | 
|  | connection_info.total_round_trip_time_ms = 0; | 
|  | connection_info.current_round_trip_time_ms = absl::nullopt; | 
|  | connection_info.recv_ping_requests = 2020; | 
|  | connection_info.sent_ping_requests_total = 2020; | 
|  | connection_info.sent_ping_requests_before_first_response = 2000; | 
|  | connection_info.recv_ping_responses = 4321; | 
|  | connection_info.sent_ping_responses = 1000; | 
|  | connection_info.state = cricket::IceCandidatePairState::IN_PROGRESS; | 
|  | connection_info.priority = 5555; | 
|  | connection_info.nominated = false; | 
|  |  | 
|  | cricket::TransportChannelStats transport_channel_stats; | 
|  | transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | connection_info); | 
|  |  | 
|  | pc_->AddVideoChannel("video", kTransportName); | 
|  | pc_->SetTransportStats(kTransportName, transport_channel_stats); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCIceCandidatePairStats expected_pair("RTCIceCandidatePair_" + | 
|  | local_candidate->id() + "_" + | 
|  | remote_candidate->id(), | 
|  | report->timestamp_us()); | 
|  | expected_pair.transport_id = | 
|  | "RTCTransport_transport_" + | 
|  | rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP); | 
|  | expected_pair.local_candidate_id = "RTCIceCandidate_" + local_candidate->id(); | 
|  | expected_pair.remote_candidate_id = | 
|  | "RTCIceCandidate_" + remote_candidate->id(); | 
|  | expected_pair.state = RTCStatsIceCandidatePairState::kInProgress; | 
|  | expected_pair.priority = 5555; | 
|  | expected_pair.nominated = false; | 
|  | expected_pair.writable = true; | 
|  | expected_pair.bytes_sent = 42; | 
|  | expected_pair.bytes_received = 1234; | 
|  | expected_pair.total_round_trip_time = 0.0; | 
|  | expected_pair.requests_received = 2020; | 
|  | expected_pair.requests_sent = 2000; | 
|  | expected_pair.responses_received = 4321; | 
|  | expected_pair.responses_sent = 1000; | 
|  | expected_pair.consent_requests_sent = (2020 - 2000); | 
|  | // |expected_pair.current_round_trip_time| should be undefined because the | 
|  | // current RTT is not set. | 
|  | // |expected_pair.available_[outgoing/incoming]_bitrate| should be undefined | 
|  | // because is is not the current pair. | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_pair.id())); | 
|  | EXPECT_EQ( | 
|  | expected_pair, | 
|  | report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>()); | 
|  | EXPECT_TRUE(report->Get(*expected_pair.transport_id)); | 
|  |  | 
|  | // Set nominated and "GetStats" again. | 
|  | transport_channel_stats.ice_transport_stats.connection_infos[0].nominated = | 
|  | true; | 
|  | pc_->SetTransportStats(kTransportName, transport_channel_stats); | 
|  | report = stats_->GetFreshStatsReport(); | 
|  | expected_pair.nominated = true; | 
|  | ASSERT_TRUE(report->Get(expected_pair.id())); | 
|  | EXPECT_EQ( | 
|  | expected_pair, | 
|  | report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>()); | 
|  | EXPECT_TRUE(report->Get(*expected_pair.transport_id)); | 
|  |  | 
|  | // Set round trip times and "GetStats" again. | 
|  | transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .total_round_trip_time_ms = 7331; | 
|  | transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .current_round_trip_time_ms = 1337; | 
|  | pc_->SetTransportStats(kTransportName, transport_channel_stats); | 
|  | report = stats_->GetFreshStatsReport(); | 
|  | expected_pair.total_round_trip_time = 7.331; | 
|  | expected_pair.current_round_trip_time = 1.337; | 
|  | ASSERT_TRUE(report->Get(expected_pair.id())); | 
|  | EXPECT_EQ( | 
|  | expected_pair, | 
|  | report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>()); | 
|  | EXPECT_TRUE(report->Get(*expected_pair.transport_id)); | 
|  |  | 
|  | // Make pair the current pair, clear bandwidth and "GetStats" again. | 
|  | transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .best_connection = true; | 
|  | pc_->SetTransportStats(kTransportName, transport_channel_stats); | 
|  | report = stats_->GetFreshStatsReport(); | 
|  | // |expected_pair.available_[outgoing/incoming]_bitrate| should still be | 
|  | // undefined because bandwidth is not set. | 
|  | ASSERT_TRUE(report->Get(expected_pair.id())); | 
|  | EXPECT_EQ( | 
|  | expected_pair, | 
|  | report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>()); | 
|  | EXPECT_TRUE(report->Get(*expected_pair.transport_id)); | 
|  |  | 
|  | // Set bandwidth and "GetStats" again. | 
|  | webrtc::Call::Stats call_stats; | 
|  | const int kSendBandwidth = 888; | 
|  | call_stats.send_bandwidth_bps = kSendBandwidth; | 
|  | const int kRecvBandwidth = 999; | 
|  | call_stats.recv_bandwidth_bps = kRecvBandwidth; | 
|  | pc_->SetCallStats(call_stats); | 
|  | report = stats_->GetFreshStatsReport(); | 
|  | expected_pair.available_outgoing_bitrate = kSendBandwidth; | 
|  | expected_pair.available_incoming_bitrate = kRecvBandwidth; | 
|  | ASSERT_TRUE(report->Get(expected_pair.id())); | 
|  | EXPECT_EQ( | 
|  | expected_pair, | 
|  | report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>()); | 
|  | EXPECT_TRUE(report->Get(*expected_pair.transport_id)); | 
|  |  | 
|  | RTCLocalIceCandidateStats expected_local_candidate( | 
|  | *expected_pair.local_candidate_id, report->timestamp_us()); | 
|  | expected_local_candidate.transport_id = *expected_pair.transport_id; | 
|  | expected_local_candidate.network_type = "wifi"; | 
|  | expected_local_candidate.ip = "42.42.42.42"; | 
|  | expected_local_candidate.port = 42; | 
|  | expected_local_candidate.protocol = "protocol"; | 
|  | expected_local_candidate.candidate_type = "host"; | 
|  | expected_local_candidate.priority = 42; | 
|  | expected_local_candidate.deleted = false; | 
|  | EXPECT_FALSE(*expected_local_candidate.is_remote); | 
|  | ASSERT_TRUE(report->Get(expected_local_candidate.id())); | 
|  | EXPECT_EQ(expected_local_candidate, | 
|  | report->Get(expected_local_candidate.id()) | 
|  | ->cast_to<RTCLocalIceCandidateStats>()); | 
|  |  | 
|  | RTCRemoteIceCandidateStats expected_remote_candidate( | 
|  | *expected_pair.remote_candidate_id, report->timestamp_us()); | 
|  | expected_remote_candidate.transport_id = *expected_pair.transport_id; | 
|  | expected_remote_candidate.ip = "42.42.42.42"; | 
|  | expected_remote_candidate.port = 42; | 
|  | expected_remote_candidate.protocol = "protocol"; | 
|  | expected_remote_candidate.candidate_type = "host"; | 
|  | expected_remote_candidate.priority = 42; | 
|  | expected_remote_candidate.deleted = false; | 
|  | EXPECT_TRUE(*expected_remote_candidate.is_remote); | 
|  | ASSERT_TRUE(report->Get(expected_remote_candidate.id())); | 
|  | EXPECT_EQ(expected_remote_candidate, | 
|  | report->Get(expected_remote_candidate.id()) | 
|  | ->cast_to<RTCRemoteIceCandidateStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCPeerConnectionStats) { | 
|  | { | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | RTCPeerConnectionStats expected("RTCPeerConnection", | 
|  | report->timestamp_us()); | 
|  | expected.data_channels_opened = 0; | 
|  | expected.data_channels_closed = 0; | 
|  | ASSERT_TRUE(report->Get("RTCPeerConnection")); | 
|  | EXPECT_EQ( | 
|  | expected, | 
|  | report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>()); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<DataChannel> dummy_channel_a = DataChannel::Create( | 
|  | nullptr, cricket::DCT_NONE, "DummyChannelA", InternalDataChannelInit()); | 
|  | pc_->SignalDataChannelCreated()(dummy_channel_a.get()); | 
|  | rtc::scoped_refptr<DataChannel> dummy_channel_b = DataChannel::Create( | 
|  | nullptr, cricket::DCT_NONE, "DummyChannelB", InternalDataChannelInit()); | 
|  | pc_->SignalDataChannelCreated()(dummy_channel_b.get()); | 
|  |  | 
|  | dummy_channel_a->SignalOpened(dummy_channel_a.get()); | 
|  | // Closing a channel that is not opened should not affect the counts. | 
|  | dummy_channel_b->SignalClosed(dummy_channel_b.get()); | 
|  |  | 
|  | { | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = | 
|  | stats_->GetFreshStatsReport(); | 
|  | RTCPeerConnectionStats expected("RTCPeerConnection", | 
|  | report->timestamp_us()); | 
|  | expected.data_channels_opened = 1; | 
|  | expected.data_channels_closed = 0; | 
|  | ASSERT_TRUE(report->Get("RTCPeerConnection")); | 
|  | EXPECT_EQ( | 
|  | expected, | 
|  | report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>()); | 
|  | } | 
|  |  | 
|  | dummy_channel_b->SignalOpened(dummy_channel_b.get()); | 
|  | dummy_channel_b->SignalClosed(dummy_channel_b.get()); | 
|  |  | 
|  | { | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = | 
|  | stats_->GetFreshStatsReport(); | 
|  | RTCPeerConnectionStats expected("RTCPeerConnection", | 
|  | report->timestamp_us()); | 
|  | expected.data_channels_opened = 2; | 
|  | expected.data_channels_closed = 1; | 
|  | ASSERT_TRUE(report->Get("RTCPeerConnection")); | 
|  | EXPECT_EQ( | 
|  | expected, | 
|  | report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>()); | 
|  | } | 
|  |  | 
|  | // Re-opening a data channel (or opening a new data channel that is re-using | 
|  | // the same address in memory) should increase the opened count. | 
|  | dummy_channel_b->SignalOpened(dummy_channel_b.get()); | 
|  |  | 
|  | { | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = | 
|  | stats_->GetFreshStatsReport(); | 
|  | RTCPeerConnectionStats expected("RTCPeerConnection", | 
|  | report->timestamp_us()); | 
|  | expected.data_channels_opened = 3; | 
|  | expected.data_channels_closed = 1; | 
|  | ASSERT_TRUE(report->Get("RTCPeerConnection")); | 
|  | EXPECT_EQ( | 
|  | expected, | 
|  | report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>()); | 
|  | } | 
|  |  | 
|  | dummy_channel_a->SignalClosed(dummy_channel_a.get()); | 
|  | dummy_channel_b->SignalClosed(dummy_channel_b.get()); | 
|  |  | 
|  | { | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = | 
|  | stats_->GetFreshStatsReport(); | 
|  | RTCPeerConnectionStats expected("RTCPeerConnection", | 
|  | report->timestamp_us()); | 
|  | expected.data_channels_opened = 3; | 
|  | expected.data_channels_closed = 3; | 
|  | ASSERT_TRUE(report->Get("RTCPeerConnection")); | 
|  | EXPECT_EQ( | 
|  | expected, | 
|  | report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>()); | 
|  | } | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | CollectLocalRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Audio) { | 
|  | rtc::scoped_refptr<MediaStream> local_stream = | 
|  | MediaStream::Create("LocalStreamId"); | 
|  | pc_->mutable_local_streams()->AddStream(local_stream); | 
|  |  | 
|  | // Local audio track | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> local_audio_track = | 
|  | CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "LocalAudioTrackID", | 
|  | MediaStreamTrackInterface::kEnded); | 
|  | local_stream->AddTrack( | 
|  | static_cast<AudioTrackInterface*>(local_audio_track.get())); | 
|  |  | 
|  | cricket::VoiceSenderInfo voice_sender_info_ssrc1; | 
|  | voice_sender_info_ssrc1.local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | voice_sender_info_ssrc1.local_stats[0].ssrc = 1; | 
|  | voice_sender_info_ssrc1.apm_statistics.echo_return_loss = 42.0; | 
|  | voice_sender_info_ssrc1.apm_statistics.echo_return_loss_enhancement = 52.0; | 
|  |  | 
|  | stats_->CreateMockRtpSendersReceiversAndChannels( | 
|  | {std::make_pair(local_audio_track.get(), voice_sender_info_ssrc1)}, {}, | 
|  | {}, {}, {local_stream->id()}, {}); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCMediaStreamStats expected_local_stream( | 
|  | IdForType<RTCMediaStreamStats>(report), report->timestamp_us()); | 
|  | expected_local_stream.stream_identifier = local_stream->id(); | 
|  | expected_local_stream.track_ids = { | 
|  | IdForType<RTCMediaStreamTrackStats>(report)}; | 
|  | ASSERT_TRUE(report->Get(expected_local_stream.id())) | 
|  | << "Did not find " << expected_local_stream.id() << " in " | 
|  | << report->ToJson(); | 
|  | EXPECT_EQ( | 
|  | expected_local_stream, | 
|  | report->Get(expected_local_stream.id())->cast_to<RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_local_audio_track_ssrc1( | 
|  | IdForType<RTCMediaStreamTrackStats>(report), report->timestamp_us(), | 
|  | RTCMediaStreamTrackKind::kAudio); | 
|  | expected_local_audio_track_ssrc1.track_identifier = local_audio_track->id(); | 
|  | expected_local_audio_track_ssrc1.media_source_id = | 
|  | "RTCAudioSource_11";  // Attachment ID = SSRC + 10 | 
|  | expected_local_audio_track_ssrc1.remote_source = false; | 
|  | expected_local_audio_track_ssrc1.ended = true; | 
|  | expected_local_audio_track_ssrc1.detached = false; | 
|  | expected_local_audio_track_ssrc1.echo_return_loss = 42.0; | 
|  | expected_local_audio_track_ssrc1.echo_return_loss_enhancement = 52.0; | 
|  | ASSERT_TRUE(report->Get(expected_local_audio_track_ssrc1.id())) | 
|  | << "Did not find " << expected_local_audio_track_ssrc1.id() << " in " | 
|  | << report->ToJson(); | 
|  | EXPECT_EQ(expected_local_audio_track_ssrc1, | 
|  | report->Get(expected_local_audio_track_ssrc1.id()) | 
|  | ->cast_to<RTCMediaStreamTrackStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | CollectRemoteRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Audio) { | 
|  | rtc::scoped_refptr<MediaStream> remote_stream = | 
|  | MediaStream::Create("RemoteStreamId"); | 
|  | pc_->mutable_remote_streams()->AddStream(remote_stream); | 
|  |  | 
|  | // Remote audio track | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> remote_audio_track = | 
|  | CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", | 
|  | MediaStreamTrackInterface::kLive); | 
|  | remote_stream->AddTrack( | 
|  | static_cast<AudioTrackInterface*>(remote_audio_track.get())); | 
|  |  | 
|  | cricket::VoiceReceiverInfo voice_receiver_info; | 
|  | voice_receiver_info.local_stats.push_back(cricket::SsrcReceiverInfo()); | 
|  | voice_receiver_info.local_stats[0].ssrc = 3; | 
|  | voice_receiver_info.audio_level = 16383; | 
|  | voice_receiver_info.total_output_energy = 0.125; | 
|  | voice_receiver_info.total_samples_received = 4567; | 
|  | voice_receiver_info.total_output_duration = 0.25; | 
|  | voice_receiver_info.concealed_samples = 123; | 
|  | voice_receiver_info.concealment_events = 12; | 
|  | voice_receiver_info.inserted_samples_for_deceleration = 987; | 
|  | voice_receiver_info.removed_samples_for_acceleration = 876; | 
|  | voice_receiver_info.silent_concealed_samples = 765; | 
|  | voice_receiver_info.jitter_buffer_delay_seconds = 3456; | 
|  | voice_receiver_info.jitter_buffer_emitted_count = 13; | 
|  | voice_receiver_info.jitter_buffer_flushes = 7; | 
|  | voice_receiver_info.delayed_packet_outage_samples = 15; | 
|  | voice_receiver_info.relative_packet_arrival_delay_seconds = 16; | 
|  | voice_receiver_info.interruption_count = 7788; | 
|  | voice_receiver_info.total_interruption_duration_ms = 778899; | 
|  |  | 
|  | stats_->CreateMockRtpSendersReceiversAndChannels( | 
|  | {}, {std::make_pair(remote_audio_track.get(), voice_receiver_info)}, {}, | 
|  | {}, {}, {remote_stream}); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCMediaStreamStats expected_remote_stream( | 
|  | IdForType<RTCMediaStreamStats>(report), report->timestamp_us()); | 
|  | expected_remote_stream.stream_identifier = remote_stream->id(); | 
|  | expected_remote_stream.track_ids = | 
|  | std::vector<std::string>({IdForType<RTCMediaStreamTrackStats>(report)}); | 
|  | ASSERT_TRUE(report->Get(expected_remote_stream.id())) | 
|  | << "Did not find " << expected_remote_stream.id() << " in " | 
|  | << report->ToJson(); | 
|  | EXPECT_EQ( | 
|  | expected_remote_stream, | 
|  | report->Get(expected_remote_stream.id())->cast_to<RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_remote_audio_track( | 
|  | IdForType<RTCMediaStreamTrackStats>(report), report->timestamp_us(), | 
|  | RTCMediaStreamTrackKind::kAudio); | 
|  | expected_remote_audio_track.track_identifier = remote_audio_track->id(); | 
|  | // |expected_remote_audio_track.media_source_id| should be undefined | 
|  | // because the track is remote. | 
|  | expected_remote_audio_track.remote_source = true; | 
|  | expected_remote_audio_track.ended = false; | 
|  | expected_remote_audio_track.detached = false; | 
|  | expected_remote_audio_track.audio_level = 16383.0 / 32767.0; | 
|  | expected_remote_audio_track.total_audio_energy = 0.125; | 
|  | expected_remote_audio_track.total_samples_received = 4567; | 
|  | expected_remote_audio_track.total_samples_duration = 0.25; | 
|  | expected_remote_audio_track.concealed_samples = 123; | 
|  | expected_remote_audio_track.concealment_events = 12; | 
|  | expected_remote_audio_track.inserted_samples_for_deceleration = 987; | 
|  | expected_remote_audio_track.removed_samples_for_acceleration = 876; | 
|  | expected_remote_audio_track.silent_concealed_samples = 765; | 
|  | expected_remote_audio_track.jitter_buffer_delay = 3456; | 
|  | expected_remote_audio_track.jitter_buffer_emitted_count = 13; | 
|  | expected_remote_audio_track.jitter_buffer_flushes = 7; | 
|  | expected_remote_audio_track.delayed_packet_outage_samples = 15; | 
|  | expected_remote_audio_track.relative_packet_arrival_delay = 16; | 
|  | expected_remote_audio_track.interruption_count = 7788; | 
|  | expected_remote_audio_track.total_interruption_duration = 778.899; | 
|  | ASSERT_TRUE(report->Get(expected_remote_audio_track.id())); | 
|  | EXPECT_EQ(expected_remote_audio_track, | 
|  | report->Get(expected_remote_audio_track.id()) | 
|  | ->cast_to<RTCMediaStreamTrackStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | CollectLocalRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Video) { | 
|  | rtc::scoped_refptr<MediaStream> local_stream = | 
|  | MediaStream::Create("LocalStreamId"); | 
|  | pc_->mutable_local_streams()->AddStream(local_stream); | 
|  |  | 
|  | // Local video track | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> local_video_track = | 
|  | CreateFakeTrack(cricket::MEDIA_TYPE_VIDEO, "LocalVideoTrackID", | 
|  | MediaStreamTrackInterface::kLive); | 
|  | local_stream->AddTrack( | 
|  | static_cast<VideoTrackInterface*>(local_video_track.get())); | 
|  |  | 
|  | cricket::VideoSenderInfo video_sender_info_ssrc1; | 
|  | video_sender_info_ssrc1.local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | video_sender_info_ssrc1.local_stats[0].ssrc = 1; | 
|  | video_sender_info_ssrc1.send_frame_width = 1234; | 
|  | video_sender_info_ssrc1.send_frame_height = 4321; | 
|  | video_sender_info_ssrc1.frames_encoded = 11; | 
|  | video_sender_info_ssrc1.huge_frames_sent = 1; | 
|  |  | 
|  | stats_->CreateMockRtpSendersReceiversAndChannels( | 
|  | {}, {}, | 
|  | {std::make_pair(local_video_track.get(), video_sender_info_ssrc1)}, {}, | 
|  | {local_stream->id()}, {}); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | auto stats_of_my_type = report->GetStatsOfType<RTCMediaStreamStats>(); | 
|  | ASSERT_EQ(1U, stats_of_my_type.size()) << "No stream in " << report->ToJson(); | 
|  | auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>(); | 
|  | ASSERT_EQ(1U, stats_of_track_type.size()) | 
|  | << "Wrong number of tracks in " << report->ToJson(); | 
|  |  | 
|  | RTCMediaStreamStats expected_local_stream(stats_of_my_type[0]->id(), | 
|  | report->timestamp_us()); | 
|  | expected_local_stream.stream_identifier = local_stream->id(); | 
|  | expected_local_stream.track_ids = | 
|  | std::vector<std::string>({stats_of_track_type[0]->id()}); | 
|  | ASSERT_TRUE(report->Get(expected_local_stream.id())); | 
|  | EXPECT_EQ( | 
|  | expected_local_stream, | 
|  | report->Get(expected_local_stream.id())->cast_to<RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_local_video_track_ssrc1( | 
|  | stats_of_track_type[0]->id(), report->timestamp_us(), | 
|  | RTCMediaStreamTrackKind::kVideo); | 
|  | expected_local_video_track_ssrc1.track_identifier = local_video_track->id(); | 
|  | expected_local_video_track_ssrc1.media_source_id = | 
|  | "RTCVideoSource_11";  // Attachment ID = SSRC + 10 | 
|  | expected_local_video_track_ssrc1.remote_source = false; | 
|  | expected_local_video_track_ssrc1.ended = false; | 
|  | expected_local_video_track_ssrc1.detached = false; | 
|  | expected_local_video_track_ssrc1.frame_width = 1234; | 
|  | expected_local_video_track_ssrc1.frame_height = 4321; | 
|  | expected_local_video_track_ssrc1.frames_sent = 11; | 
|  | expected_local_video_track_ssrc1.huge_frames_sent = 1; | 
|  | ASSERT_TRUE(report->Get(expected_local_video_track_ssrc1.id())); | 
|  | EXPECT_EQ(expected_local_video_track_ssrc1, | 
|  | report->Get(expected_local_video_track_ssrc1.id()) | 
|  | ->cast_to<RTCMediaStreamTrackStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | CollectRemoteRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Video) { | 
|  | rtc::scoped_refptr<MediaStream> remote_stream = | 
|  | MediaStream::Create("RemoteStreamId"); | 
|  | pc_->mutable_remote_streams()->AddStream(remote_stream); | 
|  |  | 
|  | // Remote video track with values | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> remote_video_track_ssrc3 = | 
|  | CreateFakeTrack(cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID3", | 
|  | MediaStreamTrackInterface::kEnded); | 
|  | remote_stream->AddTrack( | 
|  | static_cast<VideoTrackInterface*>(remote_video_track_ssrc3.get())); | 
|  |  | 
|  | cricket::VideoReceiverInfo video_receiver_info_ssrc3; | 
|  | video_receiver_info_ssrc3.local_stats.push_back(cricket::SsrcReceiverInfo()); | 
|  | video_receiver_info_ssrc3.local_stats[0].ssrc = 3; | 
|  | video_receiver_info_ssrc3.frame_width = 6789; | 
|  | video_receiver_info_ssrc3.frame_height = 9876; | 
|  | video_receiver_info_ssrc3.jitter_buffer_delay_seconds = 2.5; | 
|  | video_receiver_info_ssrc3.jitter_buffer_emitted_count = 25; | 
|  | video_receiver_info_ssrc3.frames_received = 1000; | 
|  | video_receiver_info_ssrc3.frames_decoded = 995; | 
|  | video_receiver_info_ssrc3.frames_dropped = 10; | 
|  | video_receiver_info_ssrc3.frames_rendered = 990; | 
|  | video_receiver_info_ssrc3.freeze_count = 3; | 
|  | video_receiver_info_ssrc3.pause_count = 2; | 
|  | video_receiver_info_ssrc3.total_freezes_duration_ms = 1000; | 
|  | video_receiver_info_ssrc3.total_pauses_duration_ms = 10000; | 
|  | video_receiver_info_ssrc3.total_frames_duration_ms = 15000; | 
|  | video_receiver_info_ssrc3.sum_squared_frame_durations = 1.5; | 
|  |  | 
|  | stats_->CreateMockRtpSendersReceiversAndChannels( | 
|  | {}, {}, {}, | 
|  | {std::make_pair(remote_video_track_ssrc3.get(), | 
|  | video_receiver_info_ssrc3)}, | 
|  | {}, {remote_stream}); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | auto stats_of_my_type = report->GetStatsOfType<RTCMediaStreamStats>(); | 
|  | ASSERT_EQ(1U, stats_of_my_type.size()) << "No stream in " << report->ToJson(); | 
|  | auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>(); | 
|  | ASSERT_EQ(1U, stats_of_track_type.size()) | 
|  | << "Wrong number of tracks in " << report->ToJson(); | 
|  | ASSERT_TRUE(*(stats_of_track_type[0]->remote_source)); | 
|  |  | 
|  | RTCMediaStreamStats expected_remote_stream(stats_of_my_type[0]->id(), | 
|  | report->timestamp_us()); | 
|  | expected_remote_stream.stream_identifier = remote_stream->id(); | 
|  | expected_remote_stream.track_ids = | 
|  | std::vector<std::string>({stats_of_track_type[0]->id()}); | 
|  | ASSERT_TRUE(report->Get(expected_remote_stream.id())); | 
|  | EXPECT_EQ( | 
|  | expected_remote_stream, | 
|  | report->Get(expected_remote_stream.id())->cast_to<RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_remote_video_track_ssrc3( | 
|  | stats_of_track_type[0]->id(), report->timestamp_us(), | 
|  | RTCMediaStreamTrackKind::kVideo); | 
|  | expected_remote_video_track_ssrc3.track_identifier = | 
|  | remote_video_track_ssrc3->id(); | 
|  | // |expected_remote_video_track_ssrc3.media_source_id| should be undefined | 
|  | // because the track is remote. | 
|  | expected_remote_video_track_ssrc3.remote_source = true; | 
|  | expected_remote_video_track_ssrc3.ended = true; | 
|  | expected_remote_video_track_ssrc3.detached = false; | 
|  | expected_remote_video_track_ssrc3.frame_width = 6789; | 
|  | expected_remote_video_track_ssrc3.frame_height = 9876; | 
|  | expected_remote_video_track_ssrc3.jitter_buffer_delay = 2.5; | 
|  | expected_remote_video_track_ssrc3.jitter_buffer_emitted_count = 25; | 
|  | expected_remote_video_track_ssrc3.frames_received = 1000; | 
|  | expected_remote_video_track_ssrc3.frames_decoded = 995; | 
|  | expected_remote_video_track_ssrc3.frames_dropped = 10; | 
|  | expected_remote_video_track_ssrc3.freeze_count = 3; | 
|  | expected_remote_video_track_ssrc3.pause_count = 2; | 
|  | expected_remote_video_track_ssrc3.total_freezes_duration = 1; | 
|  | expected_remote_video_track_ssrc3.total_pauses_duration = 10; | 
|  | expected_remote_video_track_ssrc3.total_frames_duration = 15; | 
|  | expected_remote_video_track_ssrc3.sum_squared_frame_durations = 1.5; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_remote_video_track_ssrc3.id())); | 
|  | EXPECT_EQ(expected_remote_video_track_ssrc3, | 
|  | report->Get(expected_remote_video_track_ssrc3.id()) | 
|  | ->cast_to<RTCMediaStreamTrackStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Audio) { | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  |  | 
|  | voice_media_info.receivers.push_back(cricket::VoiceReceiverInfo()); | 
|  | voice_media_info.receivers[0].local_stats.push_back( | 
|  | cricket::SsrcReceiverInfo()); | 
|  | voice_media_info.receivers[0].local_stats[0].ssrc = 1; | 
|  | voice_media_info.receivers[0].packets_lost = -1;  // Signed per RFC3550 | 
|  | voice_media_info.receivers[0].packets_rcvd = 2; | 
|  | voice_media_info.receivers[0].fec_packets_discarded = 5566; | 
|  | voice_media_info.receivers[0].fec_packets_received = 6677; | 
|  | voice_media_info.receivers[0].payload_bytes_rcvd = 3; | 
|  | voice_media_info.receivers[0].header_and_padding_bytes_rcvd = 4; | 
|  | voice_media_info.receivers[0].codec_payload_type = 42; | 
|  | voice_media_info.receivers[0].jitter_ms = 4500; | 
|  | voice_media_info.receivers[0].last_packet_received_timestamp_ms = | 
|  | absl::nullopt; | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO; | 
|  | codec_parameters.name = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | voice_media_info.receive_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName"); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  | stats_->SetupRemoteTrackAndReceiver( | 
|  | cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", "RemoteStreamId", 1); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>(); | 
|  | ASSERT_EQ(1U, stats_of_track_type.size()); | 
|  |  | 
|  | RTCInboundRTPStreamStats expected_audio("RTCInboundRTPAudioStream_1", | 
|  | report->timestamp_us()); | 
|  | expected_audio.ssrc = 1; | 
|  | expected_audio.is_remote = false; | 
|  | expected_audio.media_type = "audio"; | 
|  | expected_audio.kind = "audio"; | 
|  | expected_audio.track_id = stats_of_track_type[0]->id(); | 
|  | expected_audio.transport_id = "RTCTransport_TransportName_1"; | 
|  | expected_audio.codec_id = "RTCCodec_AudioMid_Inbound_42"; | 
|  | expected_audio.packets_received = 2; | 
|  | expected_audio.fec_packets_discarded = 5566; | 
|  | expected_audio.fec_packets_received = 6677; | 
|  | expected_audio.bytes_received = 3; | 
|  | expected_audio.header_bytes_received = 4; | 
|  | expected_audio.packets_lost = -1; | 
|  | // |expected_audio.last_packet_received_timestamp| should be undefined. | 
|  | expected_audio.jitter = 4.5; | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_audio.id())->cast_to<RTCInboundRTPStreamStats>(), | 
|  | expected_audio); | 
|  |  | 
|  | // Set previously undefined values and "GetStats" again. | 
|  | voice_media_info.receivers[0].last_packet_received_timestamp_ms = 3000; | 
|  | expected_audio.last_packet_received_timestamp = 3.0; | 
|  | voice_media_info.receivers[0].estimated_playout_ntp_timestamp_ms = 4567; | 
|  | expected_audio.estimated_playout_timestamp = 4567; | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  |  | 
|  | report = stats_->GetFreshStatsReport(); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_audio.id())->cast_to<RTCInboundRTPStreamStats>(), | 
|  | expected_audio); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Video) { | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  |  | 
|  | video_media_info.receivers.push_back(cricket::VideoReceiverInfo()); | 
|  | video_media_info.receivers[0].local_stats.push_back( | 
|  | cricket::SsrcReceiverInfo()); | 
|  | video_media_info.receivers[0].local_stats[0].ssrc = 1; | 
|  | video_media_info.receivers[0].packets_rcvd = 2; | 
|  | video_media_info.receivers[0].packets_lost = 42; | 
|  | video_media_info.receivers[0].payload_bytes_rcvd = 3; | 
|  | video_media_info.receivers[0].header_and_padding_bytes_rcvd = 12; | 
|  | video_media_info.receivers[0].codec_payload_type = 42; | 
|  | video_media_info.receivers[0].firs_sent = 5; | 
|  | video_media_info.receivers[0].plis_sent = 6; | 
|  | video_media_info.receivers[0].nacks_sent = 7; | 
|  | video_media_info.receivers[0].frames_decoded = 8; | 
|  | video_media_info.receivers[0].key_frames_decoded = 3; | 
|  | video_media_info.receivers[0].qp_sum = absl::nullopt; | 
|  | video_media_info.receivers[0].total_decode_time_ms = 9000; | 
|  | video_media_info.receivers[0].total_inter_frame_delay = 0.123; | 
|  | video_media_info.receivers[0].total_squared_inter_frame_delay = 0.00456; | 
|  |  | 
|  | video_media_info.receivers[0].last_packet_received_timestamp_ms = | 
|  | absl::nullopt; | 
|  | video_media_info.receivers[0].content_type = VideoContentType::UNSPECIFIED; | 
|  | video_media_info.receivers[0].estimated_playout_ntp_timestamp_ms = | 
|  | absl::nullopt; | 
|  | video_media_info.receivers[0].decoder_implementation_name = ""; | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO; | 
|  | codec_parameters.name = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | video_media_info.receive_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  | stats_->SetupRemoteTrackAndReceiver( | 
|  | cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", "RemoteStreamId", 1); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCInboundRTPStreamStats expected_video("RTCInboundRTPVideoStream_1", | 
|  | report->timestamp_us()); | 
|  | expected_video.ssrc = 1; | 
|  | expected_video.is_remote = false; | 
|  | expected_video.media_type = "video"; | 
|  | expected_video.kind = "video"; | 
|  | expected_video.track_id = IdForType<RTCMediaStreamTrackStats>(report); | 
|  | expected_video.transport_id = "RTCTransport_TransportName_1"; | 
|  | expected_video.codec_id = "RTCCodec_VideoMid_Inbound_42"; | 
|  | expected_video.fir_count = 5; | 
|  | expected_video.pli_count = 6; | 
|  | expected_video.nack_count = 7; | 
|  | expected_video.packets_received = 2; | 
|  | expected_video.bytes_received = 3; | 
|  | expected_video.header_bytes_received = 12; | 
|  | expected_video.packets_lost = 42; | 
|  | expected_video.frames_decoded = 8; | 
|  | expected_video.key_frames_decoded = 3; | 
|  | // |expected_video.qp_sum| should be undefined. | 
|  | expected_video.total_decode_time = 9.0; | 
|  | expected_video.total_inter_frame_delay = 0.123; | 
|  | expected_video.total_squared_inter_frame_delay = 0.00456; | 
|  | // |expected_video.last_packet_received_timestamp| should be undefined. | 
|  | // |expected_video.content_type| should be undefined. | 
|  | // |expected_video.decoder_implementation| should be undefined. | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_video.id())->cast_to<RTCInboundRTPStreamStats>(), | 
|  | expected_video); | 
|  |  | 
|  | // Set previously undefined values and "GetStats" again. | 
|  | video_media_info.receivers[0].qp_sum = 9; | 
|  | expected_video.qp_sum = 9; | 
|  | video_media_info.receivers[0].last_packet_received_timestamp_ms = 1000; | 
|  | expected_video.last_packet_received_timestamp = 1.0; | 
|  | video_media_info.receivers[0].content_type = VideoContentType::SCREENSHARE; | 
|  | expected_video.content_type = "screenshare"; | 
|  | video_media_info.receivers[0].estimated_playout_ntp_timestamp_ms = 1234; | 
|  | expected_video.estimated_playout_timestamp = 1234; | 
|  | video_media_info.receivers[0].decoder_implementation_name = "libfoodecoder"; | 
|  | expected_video.decoder_implementation = "libfoodecoder"; | 
|  | video_media_channel->SetStats(video_media_info); | 
|  |  | 
|  | report = stats_->GetFreshStatsReport(); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_video.id())->cast_to<RTCInboundRTPStreamStats>(), | 
|  | expected_video); | 
|  | EXPECT_TRUE(report->Get(*expected_video.track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_video.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_video.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Audio) { | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  |  | 
|  | voice_media_info.senders.push_back(cricket::VoiceSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats[0].ssrc = 1; | 
|  | voice_media_info.senders[0].packets_sent = 2; | 
|  | voice_media_info.senders[0].retransmitted_packets_sent = 20; | 
|  | voice_media_info.senders[0].payload_bytes_sent = 3; | 
|  | voice_media_info.senders[0].header_and_padding_bytes_sent = 12; | 
|  | voice_media_info.senders[0].retransmitted_bytes_sent = 30; | 
|  | voice_media_info.senders[0].codec_payload_type = 42; | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO; | 
|  | codec_parameters.name = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | voice_media_info.send_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName"); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  | stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO, | 
|  | "LocalAudioTrackID", 1, true, | 
|  | /*attachment_id=*/50); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCOutboundRTPStreamStats expected_audio("RTCOutboundRTPAudioStream_1", | 
|  | report->timestamp_us()); | 
|  | expected_audio.media_source_id = "RTCAudioSource_50"; | 
|  | // |expected_audio.remote_id| should be undefined. | 
|  | expected_audio.ssrc = 1; | 
|  | expected_audio.is_remote = false; | 
|  | expected_audio.media_type = "audio"; | 
|  | expected_audio.kind = "audio"; | 
|  | expected_audio.track_id = IdForType<RTCMediaStreamTrackStats>(report); | 
|  | expected_audio.transport_id = "RTCTransport_TransportName_1"; | 
|  | expected_audio.codec_id = "RTCCodec_AudioMid_Outbound_42"; | 
|  | expected_audio.packets_sent = 2; | 
|  | expected_audio.retransmitted_packets_sent = 20; | 
|  | expected_audio.bytes_sent = 3; | 
|  | expected_audio.header_bytes_sent = 12; | 
|  | expected_audio.retransmitted_bytes_sent = 30; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(), | 
|  | expected_audio); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(), | 
|  | expected_audio); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Video) { | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  |  | 
|  | video_media_info.senders.push_back(cricket::VideoSenderInfo()); | 
|  | video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | video_media_info.senders[0].local_stats[0].ssrc = 1; | 
|  | video_media_info.senders[0].firs_rcvd = 2; | 
|  | video_media_info.senders[0].plis_rcvd = 3; | 
|  | video_media_info.senders[0].nacks_rcvd = 4; | 
|  | video_media_info.senders[0].packets_sent = 5; | 
|  | video_media_info.senders[0].retransmitted_packets_sent = 50; | 
|  | video_media_info.senders[0].payload_bytes_sent = 6; | 
|  | video_media_info.senders[0].header_and_padding_bytes_sent = 12; | 
|  | video_media_info.senders[0].retransmitted_bytes_sent = 60; | 
|  | video_media_info.senders[0].codec_payload_type = 42; | 
|  | video_media_info.senders[0].frames_encoded = 8; | 
|  | video_media_info.senders[0].key_frames_encoded = 3; | 
|  | video_media_info.senders[0].total_encode_time_ms = 9000; | 
|  | video_media_info.senders[0].total_encoded_bytes_target = 1234; | 
|  | video_media_info.senders[0].total_packet_send_delay_ms = 10000; | 
|  | video_media_info.senders[0].quality_limitation_reason = | 
|  | QualityLimitationReason::kBandwidth; | 
|  | video_media_info.senders[0].quality_limitation_resolution_changes = 56u; | 
|  | video_media_info.senders[0].qp_sum = absl::nullopt; | 
|  | video_media_info.senders[0].content_type = VideoContentType::UNSPECIFIED; | 
|  | video_media_info.senders[0].encoder_implementation_name = ""; | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO; | 
|  | codec_parameters.name = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | video_media_info.send_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  | stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_VIDEO, | 
|  | "LocalVideoTrackID", 1, true, | 
|  | /*attachment_id=*/50); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | auto stats_of_my_type = report->GetStatsOfType<RTCOutboundRTPStreamStats>(); | 
|  | ASSERT_EQ(1U, stats_of_my_type.size()); | 
|  | auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>(); | 
|  | ASSERT_EQ(1U, stats_of_track_type.size()); | 
|  |  | 
|  | RTCOutboundRTPStreamStats expected_video(stats_of_my_type[0]->id(), | 
|  | report->timestamp_us()); | 
|  | expected_video.media_source_id = "RTCVideoSource_50"; | 
|  | // |expected_video.remote_id| should be undefined. | 
|  | expected_video.ssrc = 1; | 
|  | expected_video.is_remote = false; | 
|  | expected_video.media_type = "video"; | 
|  | expected_video.kind = "video"; | 
|  | expected_video.track_id = stats_of_track_type[0]->id(); | 
|  | expected_video.transport_id = "RTCTransport_TransportName_1"; | 
|  | expected_video.codec_id = "RTCCodec_VideoMid_Outbound_42"; | 
|  | expected_video.fir_count = 2; | 
|  | expected_video.pli_count = 3; | 
|  | expected_video.nack_count = 4; | 
|  | expected_video.packets_sent = 5; | 
|  | expected_video.retransmitted_packets_sent = 50; | 
|  | expected_video.bytes_sent = 6; | 
|  | expected_video.header_bytes_sent = 12; | 
|  | expected_video.retransmitted_bytes_sent = 60; | 
|  | expected_video.frames_encoded = 8; | 
|  | expected_video.key_frames_encoded = 3; | 
|  | expected_video.total_encode_time = 9.0; | 
|  | expected_video.total_encoded_bytes_target = 1234; | 
|  | expected_video.total_packet_send_delay = 10.0; | 
|  | expected_video.quality_limitation_reason = "bandwidth"; | 
|  | expected_video.quality_limitation_resolution_changes = 56u; | 
|  | // |expected_video.content_type| should be undefined. | 
|  | // |expected_video.qp_sum| should be undefined. | 
|  | // |expected_video.encoder_implementation| should be undefined. | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  |  | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_video.id())->cast_to<RTCOutboundRTPStreamStats>(), | 
|  | expected_video); | 
|  |  | 
|  | // Set previously undefined values and "GetStats" again. | 
|  | video_media_info.senders[0].qp_sum = 9; | 
|  | expected_video.qp_sum = 9; | 
|  | video_media_info.senders[0].content_type = VideoContentType::SCREENSHARE; | 
|  | expected_video.content_type = "screenshare"; | 
|  | video_media_info.senders[0].encoder_implementation_name = "libfooencoder"; | 
|  | expected_video.encoder_implementation = "libfooencoder"; | 
|  | video_media_channel->SetStats(video_media_info); | 
|  |  | 
|  | report = stats_->GetFreshStatsReport(); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_video.id())->cast_to<RTCOutboundRTPStreamStats>(), | 
|  | expected_video); | 
|  | EXPECT_TRUE(report->Get(*expected_video.track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_video.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_video.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCTransportStats) { | 
|  | const char kTransportName[] = "transport"; | 
|  |  | 
|  | pc_->AddVoiceChannel("audio", kTransportName); | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> rtp_local_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI, | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> rtp_remote_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", | 
|  | rtc::ADAPTER_TYPE_UNKNOWN, cricket::LOCAL_PORT_TYPE, | 
|  | 42); | 
|  | std::unique_ptr<cricket::Candidate> rtcp_local_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI, | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> rtcp_remote_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", | 
|  | rtc::ADAPTER_TYPE_UNKNOWN, cricket::LOCAL_PORT_TYPE, | 
|  | 42); | 
|  |  | 
|  | cricket::ConnectionInfo rtp_connection_info; | 
|  | rtp_connection_info.best_connection = false; | 
|  | rtp_connection_info.local_candidate = *rtp_local_candidate.get(); | 
|  | rtp_connection_info.remote_candidate = *rtp_remote_candidate.get(); | 
|  | rtp_connection_info.sent_total_bytes = 42; | 
|  | rtp_connection_info.recv_total_bytes = 1337; | 
|  | cricket::TransportChannelStats rtp_transport_channel_stats; | 
|  | rtp_transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | rtp_transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | rtp_connection_info); | 
|  | rtp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_NEW; | 
|  | rtp_transport_channel_stats.ice_transport_stats | 
|  | .selected_candidate_pair_changes = 1; | 
|  | pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats}); | 
|  |  | 
|  | // Get stats without RTCP, an active connection or certificates. | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCTransportStats expected_rtp_transport( | 
|  | "RTCTransport_transport_" + | 
|  | rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP), | 
|  | report->timestamp_us()); | 
|  | expected_rtp_transport.bytes_sent = 42; | 
|  | expected_rtp_transport.bytes_received = 1337; | 
|  | expected_rtp_transport.dtls_state = RTCDtlsTransportState::kNew; | 
|  | expected_rtp_transport.selected_candidate_pair_changes = 1; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_rtp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtp_transport, | 
|  | report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>()); | 
|  |  | 
|  | cricket::ConnectionInfo rtcp_connection_info; | 
|  | rtcp_connection_info.best_connection = false; | 
|  | rtcp_connection_info.local_candidate = *rtcp_local_candidate.get(); | 
|  | rtcp_connection_info.remote_candidate = *rtcp_remote_candidate.get(); | 
|  | rtcp_connection_info.sent_total_bytes = 1337; | 
|  | rtcp_connection_info.recv_total_bytes = 42; | 
|  | cricket::TransportChannelStats rtcp_transport_channel_stats; | 
|  | rtcp_transport_channel_stats.component = | 
|  | cricket::ICE_CANDIDATE_COMPONENT_RTCP; | 
|  | rtcp_transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | rtcp_connection_info); | 
|  | rtcp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_CONNECTING; | 
|  | pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats, | 
|  | rtcp_transport_channel_stats}); | 
|  |  | 
|  | // Get stats with RTCP and without an active connection or certificates. | 
|  | report = stats_->GetFreshStatsReport(); | 
|  |  | 
|  | RTCTransportStats expected_rtcp_transport( | 
|  | "RTCTransport_transport_" + | 
|  | rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTCP), | 
|  | report->timestamp_us()); | 
|  | expected_rtcp_transport.bytes_sent = 1337; | 
|  | expected_rtcp_transport.bytes_received = 42; | 
|  | expected_rtcp_transport.dtls_state = RTCDtlsTransportState::kConnecting; | 
|  | expected_rtcp_transport.selected_candidate_pair_changes = 0; | 
|  |  | 
|  | expected_rtp_transport.rtcp_transport_stats_id = expected_rtcp_transport.id(); | 
|  | ASSERT_TRUE(report->Get(expected_rtp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtp_transport, | 
|  | report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_rtcp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtcp_transport, | 
|  | report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>()); | 
|  |  | 
|  | // Get stats with an active connection (selected candidate pair). | 
|  | rtcp_transport_channel_stats.ice_transport_stats.connection_infos[0] | 
|  | .best_connection = true; | 
|  | pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats, | 
|  | rtcp_transport_channel_stats}); | 
|  |  | 
|  | report = stats_->GetFreshStatsReport(); | 
|  |  | 
|  | expected_rtcp_transport.selected_candidate_pair_id = | 
|  | "RTCIceCandidatePair_" + rtcp_local_candidate->id() + "_" + | 
|  | rtcp_remote_candidate->id(); | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_rtp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtp_transport, | 
|  | report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_rtcp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtcp_transport, | 
|  | report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>()); | 
|  |  | 
|  | // Get stats with certificates. | 
|  | std::unique_ptr<CertificateInfo> local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers({"(local) local", "(local) chain"}); | 
|  | pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate); | 
|  | std::unique_ptr<CertificateInfo> remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | {"(remote) local", "(remote) chain"}); | 
|  | pc_->SetRemoteCertChain( | 
|  | kTransportName, | 
|  | remote_certinfo->certificate->GetSSLCertificateChain().Clone()); | 
|  |  | 
|  | report = stats_->GetFreshStatsReport(); | 
|  |  | 
|  | expected_rtp_transport.local_certificate_id = | 
|  | "RTCCertificate_" + local_certinfo->fingerprints[0]; | 
|  | expected_rtp_transport.remote_certificate_id = | 
|  | "RTCCertificate_" + remote_certinfo->fingerprints[0]; | 
|  |  | 
|  | expected_rtcp_transport.local_certificate_id = | 
|  | *expected_rtp_transport.local_certificate_id; | 
|  | expected_rtcp_transport.remote_certificate_id = | 
|  | *expected_rtp_transport.remote_certificate_id; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_rtp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtp_transport, | 
|  | report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>()); | 
|  | ASSERT_TRUE(report->Get(expected_rtcp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtcp_transport, | 
|  | report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCTransportStatsWithCrypto) { | 
|  | const char kTransportName[] = "transport"; | 
|  |  | 
|  | pc_->AddVoiceChannel("audio", kTransportName); | 
|  |  | 
|  | std::unique_ptr<cricket::Candidate> rtp_local_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI, | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> rtp_remote_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", | 
|  | rtc::ADAPTER_TYPE_UNKNOWN, cricket::LOCAL_PORT_TYPE, | 
|  | 42); | 
|  | std::unique_ptr<cricket::Candidate> rtcp_local_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI, | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> rtcp_remote_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", | 
|  | rtc::ADAPTER_TYPE_UNKNOWN, cricket::LOCAL_PORT_TYPE, | 
|  | 42); | 
|  |  | 
|  | cricket::ConnectionInfo rtp_connection_info; | 
|  | rtp_connection_info.best_connection = false; | 
|  | rtp_connection_info.local_candidate = *rtp_local_candidate.get(); | 
|  | rtp_connection_info.remote_candidate = *rtp_remote_candidate.get(); | 
|  | rtp_connection_info.sent_total_bytes = 42; | 
|  | rtp_connection_info.recv_total_bytes = 1337; | 
|  | cricket::TransportChannelStats rtp_transport_channel_stats; | 
|  | rtp_transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | rtp_transport_channel_stats.ice_transport_stats.connection_infos.push_back( | 
|  | rtp_connection_info); | 
|  | // The state must be connected in order for crypto parameters to show up. | 
|  | rtp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_CONNECTED; | 
|  | rtp_transport_channel_stats.ice_transport_stats | 
|  | .selected_candidate_pair_changes = 1; | 
|  | rtp_transport_channel_stats.ssl_version_bytes = 0x0203; | 
|  | // 0x2F is TLS_RSA_WITH_AES_128_CBC_SHA according to IANA | 
|  | rtp_transport_channel_stats.ssl_cipher_suite = 0x2F; | 
|  | rtp_transport_channel_stats.srtp_crypto_suite = rtc::SRTP_AES128_CM_SHA1_80; | 
|  | pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats}); | 
|  |  | 
|  | // Get stats | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCTransportStats expected_rtp_transport( | 
|  | "RTCTransport_transport_" + | 
|  | rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP), | 
|  | report->timestamp_us()); | 
|  | expected_rtp_transport.bytes_sent = 42; | 
|  | expected_rtp_transport.bytes_received = 1337; | 
|  | expected_rtp_transport.dtls_state = RTCDtlsTransportState::kConnected; | 
|  | expected_rtp_transport.selected_candidate_pair_changes = 1; | 
|  | // Crypto parameters | 
|  | expected_rtp_transport.tls_version = "0203"; | 
|  | expected_rtp_transport.dtls_cipher = "TLS_RSA_WITH_AES_128_CBC_SHA"; | 
|  | expected_rtp_transport.srtp_cipher = "AES_CM_128_HMAC_SHA1_80"; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_rtp_transport.id())); | 
|  | EXPECT_EQ( | 
|  | expected_rtp_transport, | 
|  | report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectNoStreamRTCOutboundRTPStreamStats_Audio) { | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  |  | 
|  | voice_media_info.senders.push_back(cricket::VoiceSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats[0].ssrc = 1; | 
|  | voice_media_info.senders[0].packets_sent = 2; | 
|  | voice_media_info.senders[0].retransmitted_packets_sent = 20; | 
|  | voice_media_info.senders[0].payload_bytes_sent = 3; | 
|  | voice_media_info.senders[0].header_and_padding_bytes_sent = 4; | 
|  | voice_media_info.senders[0].retransmitted_bytes_sent = 30; | 
|  | voice_media_info.senders[0].codec_payload_type = 42; | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO; | 
|  | codec_parameters.name = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | voice_media_info.send_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | // Emulates the case where AddTrack is used without an associated MediaStream | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName"); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  | stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO, | 
|  | "LocalAudioTrackID", 1, false, | 
|  | /*attachment_id=*/50); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCOutboundRTPStreamStats expected_audio("RTCOutboundRTPAudioStream_1", | 
|  | report->timestamp_us()); | 
|  | expected_audio.media_source_id = "RTCAudioSource_50"; | 
|  | expected_audio.ssrc = 1; | 
|  | expected_audio.is_remote = false; | 
|  | expected_audio.media_type = "audio"; | 
|  | expected_audio.kind = "audio"; | 
|  | expected_audio.track_id = IdForType<RTCMediaStreamTrackStats>(report); | 
|  | expected_audio.transport_id = "RTCTransport_TransportName_1"; | 
|  | expected_audio.codec_id = "RTCCodec_AudioMid_Outbound_42"; | 
|  | expected_audio.packets_sent = 2; | 
|  | expected_audio.retransmitted_packets_sent = 20; | 
|  | expected_audio.bytes_sent = 3; | 
|  | expected_audio.header_bytes_sent = 4; | 
|  | expected_audio.retransmitted_bytes_sent = 30; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | EXPECT_EQ( | 
|  | report->Get(expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(), | 
|  | expected_audio); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, RTCAudioSourceStatsCollectedForSenderWithTrack) { | 
|  | const uint32_t kSsrc = 4; | 
|  | const int kAttachmentId = 42; | 
|  |  | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  | voice_media_info.senders.push_back(cricket::VoiceSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats[0].ssrc = kSsrc; | 
|  | voice_media_info.senders[0].audio_level = 32767;  // [0,32767] | 
|  | voice_media_info.senders[0].total_input_energy = 2.0; | 
|  | voice_media_info.senders[0].total_input_duration = 3.0; | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName"); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  | stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO, | 
|  | "LocalAudioTrackID", kSsrc, false, | 
|  | kAttachmentId); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCAudioSourceStats expected_audio("RTCAudioSource_42", | 
|  | report->timestamp_us()); | 
|  | expected_audio.track_identifier = "LocalAudioTrackID"; | 
|  | expected_audio.kind = "audio"; | 
|  | expected_audio.audio_level = 1.0;  // [0,1] | 
|  | expected_audio.total_audio_energy = 2.0; | 
|  | expected_audio.total_samples_duration = 3.0; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | EXPECT_EQ(report->Get(expected_audio.id())->cast_to<RTCAudioSourceStats>(), | 
|  | expected_audio); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, RTCVideoSourceStatsCollectedForSenderWithTrack) { | 
|  | const uint32_t kSsrc = 4; | 
|  | const int kAttachmentId = 42; | 
|  | const int kVideoSourceWidth = 12; | 
|  | const int kVideoSourceHeight = 34; | 
|  |  | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  | video_media_info.senders.push_back(cricket::VideoSenderInfo()); | 
|  | video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | video_media_info.senders[0].local_stats[0].ssrc = kSsrc; | 
|  | video_media_info.senders[0].framerate_input = 29; | 
|  | auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  |  | 
|  | auto video_source = FakeVideoTrackSourceForStats::Create(kVideoSourceWidth, | 
|  | kVideoSourceHeight); | 
|  | auto video_track = FakeVideoTrackForStats::Create( | 
|  | "LocalVideoTrackID", MediaStreamTrackInterface::kLive, video_source); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender( | 
|  | cricket::MEDIA_TYPE_VIDEO, video_track, kSsrc, kAttachmentId, {}); | 
|  | pc_->AddSender(sender); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCVideoSourceStats expected_video("RTCVideoSource_42", | 
|  | report->timestamp_us()); | 
|  | expected_video.track_identifier = "LocalVideoTrackID"; | 
|  | expected_video.kind = "video"; | 
|  | expected_video.width = kVideoSourceWidth; | 
|  | expected_video.height = kVideoSourceHeight; | 
|  | // |expected_video.frames| is expected to be undefined because it is not set. | 
|  | // TODO(hbos): When implemented, set its expected value here. | 
|  | expected_video.frames_per_second = 29; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  | EXPECT_EQ(report->Get(expected_video.id())->cast_to<RTCVideoSourceStats>(), | 
|  | expected_video); | 
|  | } | 
|  |  | 
|  | // This test exercises the current behavior and code path, but the correct | 
|  | // behavior is to report frame rate even if we have no SSRC. | 
|  | // TODO(hbos): When we know the frame rate even if we have no SSRC, update the | 
|  | // expectations of this test. | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | RTCVideoSourceStatsMissingFrameRateWhenSenderHasNoSsrc) { | 
|  | // TODO(https://crbug.com/webrtc/8694): When 0 is no longer a magic value for | 
|  | // "none", update this test. | 
|  | const uint32_t kNoSsrc = 0; | 
|  | const int kAttachmentId = 42; | 
|  | const int kVideoSourceWidth = 12; | 
|  | const int kVideoSourceHeight = 34; | 
|  |  | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  | video_media_info.senders.push_back(cricket::VideoSenderInfo()); | 
|  | video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | video_media_info.senders[0].framerate_input = 29; | 
|  | auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  |  | 
|  | auto video_source = FakeVideoTrackSourceForStats::Create(kVideoSourceWidth, | 
|  | kVideoSourceHeight); | 
|  | auto video_track = FakeVideoTrackForStats::Create( | 
|  | "LocalVideoTrackID", MediaStreamTrackInterface::kLive, video_source); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender( | 
|  | cricket::MEDIA_TYPE_VIDEO, video_track, kNoSsrc, kAttachmentId, {}); | 
|  | pc_->AddSender(sender); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | ASSERT_TRUE(report->Get("RTCVideoSource_42")); | 
|  | auto video_stats = | 
|  | report->Get("RTCVideoSource_42")->cast_to<RTCVideoSourceStats>(); | 
|  | EXPECT_FALSE(video_stats.frames_per_second.is_defined()); | 
|  | } | 
|  |  | 
|  | // The track not having a source is not expected to be true in practise, but | 
|  | // this is true in some tests relying on fakes. This test covers that code path. | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | RTCVideoSourceStatsMissingResolutionWhenTrackHasNoSource) { | 
|  | const uint32_t kSsrc = 4; | 
|  | const int kAttachmentId = 42; | 
|  |  | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  | video_media_info.senders.push_back(cricket::VideoSenderInfo()); | 
|  | video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | video_media_info.senders[0].local_stats[0].ssrc = kSsrc; | 
|  | video_media_info.senders[0].framerate_input = 29; | 
|  | auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  |  | 
|  | auto video_track = FakeVideoTrackForStats::Create( | 
|  | "LocalVideoTrackID", MediaStreamTrackInterface::kLive, | 
|  | /*source=*/nullptr); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender( | 
|  | cricket::MEDIA_TYPE_VIDEO, video_track, kSsrc, kAttachmentId, {}); | 
|  | pc_->AddSender(sender); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | ASSERT_TRUE(report->Get("RTCVideoSource_42")); | 
|  | auto video_stats = | 
|  | report->Get("RTCVideoSource_42")->cast_to<RTCVideoSourceStats>(); | 
|  | EXPECT_FALSE(video_stats.width.is_defined()); | 
|  | EXPECT_FALSE(video_stats.height.is_defined()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | RTCAudioSourceStatsNotCollectedForSenderWithoutTrack) { | 
|  | const uint32_t kSsrc = 4; | 
|  | const int kAttachmentId = 42; | 
|  |  | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  | voice_media_info.senders.push_back(cricket::VoiceSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats[0].ssrc = kSsrc; | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName"); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender( | 
|  | cricket::MEDIA_TYPE_AUDIO, /*track=*/nullptr, kSsrc, kAttachmentId, {}); | 
|  | pc_->AddSender(sender); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | EXPECT_FALSE(report->Get("RTCAudioSource_42")); | 
|  | } | 
|  |  | 
|  | // Parameterized tests on cricket::MediaType (audio or video). | 
|  | class RTCStatsCollectorTestWithParamKind | 
|  | : public RTCStatsCollectorTest, | 
|  | public ::testing::WithParamInterface<cricket::MediaType> { | 
|  | public: | 
|  | RTCStatsCollectorTestWithParamKind() : media_type_(GetParam()) { | 
|  | RTC_DCHECK(media_type_ == cricket::MEDIA_TYPE_AUDIO || | 
|  | media_type_ == cricket::MEDIA_TYPE_VIDEO); | 
|  | } | 
|  |  | 
|  | std::string MediaTypeUpperCase() const { | 
|  | switch (media_type_) { | 
|  | case cricket::MEDIA_TYPE_AUDIO: | 
|  | return "Audio"; | 
|  | case cricket::MEDIA_TYPE_VIDEO: | 
|  | return "Video"; | 
|  | case cricket::MEDIA_TYPE_DATA: | 
|  | RTC_NOTREACHED(); | 
|  | return ""; | 
|  | } | 
|  | } | 
|  |  | 
|  | std::string MediaTypeLowerCase() const { | 
|  | std::string str = MediaTypeUpperCase(); | 
|  | std::transform(str.begin(), str.end(), str.begin(), ::tolower); | 
|  | return str; | 
|  | } | 
|  |  | 
|  | // Adds a sender and channel of the appropriate kind, creating a sender info | 
|  | // with the report block's |source_ssrc| and report block data. | 
|  | void AddSenderInfoAndMediaChannel(std::string transport_name, | 
|  | ReportBlockData report_block_data, | 
|  | absl::optional<RtpCodecParameters> codec) { | 
|  | switch (media_type_) { | 
|  | case cricket::MEDIA_TYPE_AUDIO: { | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  | voice_media_info.senders.push_back(cricket::VoiceSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats.push_back( | 
|  | cricket::SsrcSenderInfo()); | 
|  | voice_media_info.senders[0].local_stats[0].ssrc = | 
|  | report_block_data.report_block().source_ssrc; | 
|  | if (codec.has_value()) { | 
|  | voice_media_info.senders[0].codec_payload_type = codec->payload_type; | 
|  | voice_media_info.send_codecs.insert( | 
|  | std::make_pair(codec->payload_type, *codec)); | 
|  | } | 
|  | voice_media_info.senders[0].report_block_datas.push_back( | 
|  | report_block_data); | 
|  | auto* voice_media_channel = pc_->AddVoiceChannel("mid", transport_name); | 
|  | voice_media_channel->SetStats(voice_media_info); | 
|  | return; | 
|  | } | 
|  | case cricket::MEDIA_TYPE_VIDEO: { | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  | video_media_info.senders.push_back(cricket::VideoSenderInfo()); | 
|  | video_media_info.senders[0].local_stats.push_back( | 
|  | cricket::SsrcSenderInfo()); | 
|  | video_media_info.senders[0].local_stats[0].ssrc = | 
|  | report_block_data.report_block().source_ssrc; | 
|  | if (codec.has_value()) { | 
|  | video_media_info.senders[0].codec_payload_type = codec->payload_type; | 
|  | video_media_info.send_codecs.insert( | 
|  | std::make_pair(codec->payload_type, *codec)); | 
|  | } | 
|  | video_media_info.senders[0].report_block_datas.push_back( | 
|  | report_block_data); | 
|  | auto* video_media_channel = pc_->AddVideoChannel("mid", transport_name); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  | return; | 
|  | } | 
|  | case cricket::MEDIA_TYPE_DATA: | 
|  | RTC_NOTREACHED(); | 
|  | } | 
|  | } | 
|  |  | 
|  | protected: | 
|  | cricket::MediaType media_type_; | 
|  | }; | 
|  |  | 
|  | // Verifies RTCRemoteInboundRtpStreamStats members that don't require | 
|  | // RTCCodecStats (codecId, jitter) and without setting up an RTCP transport. | 
|  | TEST_P(RTCStatsCollectorTestWithParamKind, | 
|  | RTCRemoteInboundRtpStreamStatsCollectedFromReportBlock) { | 
|  | const int64_t kReportBlockTimestampUtcUs = 123456789; | 
|  | const int64_t kRoundTripTimeMs = 13000; | 
|  | const double kRoundTripTimeSeconds = 13.0; | 
|  |  | 
|  | // The report block's timestamp cannot be from the future, set the fake clock | 
|  | // to match. | 
|  | fake_clock_.SetTime(Timestamp::us(kReportBlockTimestampUtcUs)); | 
|  |  | 
|  | RTCPReportBlock report_block; | 
|  | // The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the | 
|  | // |source_ssrc|, "SSRC of the RTP packet sender". | 
|  | report_block.source_ssrc = 12; | 
|  | report_block.packets_lost = 7; | 
|  | ReportBlockData report_block_data; | 
|  | report_block_data.SetReportBlock(report_block, kReportBlockTimestampUtcUs); | 
|  | report_block_data.AddRoundTripTimeSample(1234); | 
|  | // Only the last sample should be exposed as the | 
|  | // |RTCRemoteInboundRtpStreamStats::round_trip_time|. | 
|  | report_block_data.AddRoundTripTimeSample(kRoundTripTimeMs); | 
|  |  | 
|  | AddSenderInfoAndMediaChannel("TransportName", report_block_data, | 
|  | absl::nullopt); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | RTCRemoteInboundRtpStreamStats expected_remote_inbound_rtp( | 
|  | "RTCRemoteInboundRtp" + MediaTypeUpperCase() + "Stream_12", | 
|  | kReportBlockTimestampUtcUs); | 
|  | expected_remote_inbound_rtp.ssrc = 12; | 
|  | expected_remote_inbound_rtp.kind = MediaTypeLowerCase(); | 
|  | expected_remote_inbound_rtp.transport_id = | 
|  | "RTCTransport_TransportName_1";  // 1 for RTP (we have no RTCP transport) | 
|  | expected_remote_inbound_rtp.packets_lost = 7; | 
|  | expected_remote_inbound_rtp.local_id = | 
|  | "RTCOutboundRTP" + MediaTypeUpperCase() + "Stream_12"; | 
|  | expected_remote_inbound_rtp.round_trip_time = kRoundTripTimeSeconds; | 
|  | // This test does not set up RTCCodecStats, so |codec_id| and |jitter| are | 
|  | // expected to be missing. These are tested separately. | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_remote_inbound_rtp.id())); | 
|  | EXPECT_EQ(report->Get(expected_remote_inbound_rtp.id()) | 
|  | ->cast_to<RTCRemoteInboundRtpStreamStats>(), | 
|  | expected_remote_inbound_rtp); | 
|  | EXPECT_TRUE(report->Get(*expected_remote_inbound_rtp.transport_id)); | 
|  | ASSERT_TRUE(report->Get(*expected_remote_inbound_rtp.local_id)); | 
|  | // Lookup works in both directions. | 
|  | EXPECT_EQ(*report->Get(*expected_remote_inbound_rtp.local_id) | 
|  | ->cast_to<RTCOutboundRTPStreamStats>() | 
|  | .remote_id, | 
|  | expected_remote_inbound_rtp.id()); | 
|  | } | 
|  |  | 
|  | TEST_P(RTCStatsCollectorTestWithParamKind, | 
|  | RTCRemoteInboundRtpStreamStatsWithTimestampFromReportBlock) { | 
|  | const int64_t kReportBlockTimestampUtcUs = 123456789; | 
|  | fake_clock_.SetTime(Timestamp::us(kReportBlockTimestampUtcUs)); | 
|  |  | 
|  | RTCPReportBlock report_block; | 
|  | // The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the | 
|  | // |source_ssrc|, "SSRC of the RTP packet sender". | 
|  | report_block.source_ssrc = 12; | 
|  | ReportBlockData report_block_data; | 
|  | report_block_data.SetReportBlock(report_block, kReportBlockTimestampUtcUs); | 
|  |  | 
|  | AddSenderInfoAndMediaChannel("TransportName", report_block_data, | 
|  | absl::nullopt); | 
|  |  | 
|  | // Advance time, it should be OK to have fresher reports than report blocks. | 
|  | fake_clock_.AdvanceTime(TimeDelta::us(1234)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | std::string remote_inbound_rtp_id = | 
|  | "RTCRemoteInboundRtp" + MediaTypeUpperCase() + "Stream_12"; | 
|  | ASSERT_TRUE(report->Get(remote_inbound_rtp_id)); | 
|  | auto& remote_inbound_rtp = report->Get(remote_inbound_rtp_id) | 
|  | ->cast_to<RTCRemoteInboundRtpStreamStats>(); | 
|  |  | 
|  | // Even though the report time is different, the remote-inbound-rtp timestamp | 
|  | // is of the time that the report block was received. | 
|  | EXPECT_EQ(kReportBlockTimestampUtcUs + 1234, report->timestamp_us()); | 
|  | EXPECT_EQ(kReportBlockTimestampUtcUs, remote_inbound_rtp.timestamp_us()); | 
|  | } | 
|  |  | 
|  | TEST_P(RTCStatsCollectorTestWithParamKind, | 
|  | RTCRemoteInboundRtpStreamStatsWithCodecBasedMembers) { | 
|  | const int64_t kReportBlockTimestampUtcUs = 123456789; | 
|  | fake_clock_.SetTime(Timestamp::us(kReportBlockTimestampUtcUs)); | 
|  |  | 
|  | RTCPReportBlock report_block; | 
|  | // The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the | 
|  | // |source_ssrc|, "SSRC of the RTP packet sender". | 
|  | report_block.source_ssrc = 12; | 
|  | report_block.jitter = 5000; | 
|  | ReportBlockData report_block_data; | 
|  | report_block_data.SetReportBlock(report_block, kReportBlockTimestampUtcUs); | 
|  |  | 
|  | RtpCodecParameters codec; | 
|  | codec.payload_type = 3; | 
|  | codec.kind = media_type_; | 
|  | codec.clock_rate = 1000; | 
|  |  | 
|  | AddSenderInfoAndMediaChannel("TransportName", report_block_data, codec); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | std::string remote_inbound_rtp_id = | 
|  | "RTCRemoteInboundRtp" + MediaTypeUpperCase() + "Stream_12"; | 
|  | ASSERT_TRUE(report->Get(remote_inbound_rtp_id)); | 
|  | auto& remote_inbound_rtp = report->Get(remote_inbound_rtp_id) | 
|  | ->cast_to<RTCRemoteInboundRtpStreamStats>(); | 
|  |  | 
|  | EXPECT_TRUE(remote_inbound_rtp.codec_id.is_defined()); | 
|  | EXPECT_TRUE(report->Get(*remote_inbound_rtp.codec_id)); | 
|  |  | 
|  | EXPECT_TRUE(remote_inbound_rtp.jitter.is_defined()); | 
|  | // The jitter (in seconds) is the report block's jitter divided by the codec's | 
|  | // clock rate. | 
|  | EXPECT_EQ(5.0, *remote_inbound_rtp.jitter); | 
|  | } | 
|  |  | 
|  | TEST_P(RTCStatsCollectorTestWithParamKind, | 
|  | RTCRemoteInboundRtpStreamStatsWithRtcpTransport) { | 
|  | const int64_t kReportBlockTimestampUtcUs = 123456789; | 
|  | fake_clock_.SetTime(Timestamp::us(kReportBlockTimestampUtcUs)); | 
|  |  | 
|  | RTCPReportBlock report_block; | 
|  | // The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the | 
|  | // |source_ssrc|, "SSRC of the RTP packet sender". | 
|  | report_block.source_ssrc = 12; | 
|  | ReportBlockData report_block_data; | 
|  | report_block_data.SetReportBlock(report_block, kReportBlockTimestampUtcUs); | 
|  |  | 
|  | cricket::TransportChannelStats rtp_transport_channel_stats; | 
|  | rtp_transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | rtp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_NEW; | 
|  | cricket::TransportChannelStats rtcp_transport_channel_stats; | 
|  | rtcp_transport_channel_stats.component = | 
|  | cricket::ICE_CANDIDATE_COMPONENT_RTCP; | 
|  | rtcp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_NEW; | 
|  | pc_->SetTransportStats("TransportName", {rtp_transport_channel_stats, | 
|  | rtcp_transport_channel_stats}); | 
|  | AddSenderInfoAndMediaChannel("TransportName", report_block_data, | 
|  | absl::nullopt); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | std::string remote_inbound_rtp_id = | 
|  | "RTCRemoteInboundRtp" + MediaTypeUpperCase() + "Stream_12"; | 
|  | ASSERT_TRUE(report->Get(remote_inbound_rtp_id)); | 
|  | auto& remote_inbound_rtp = report->Get(remote_inbound_rtp_id) | 
|  | ->cast_to<RTCRemoteInboundRtpStreamStats>(); | 
|  |  | 
|  | EXPECT_TRUE(remote_inbound_rtp.transport_id.is_defined()); | 
|  | EXPECT_EQ("RTCTransport_TransportName_2",  // 2 for RTCP | 
|  | *remote_inbound_rtp.transport_id); | 
|  | EXPECT_TRUE(report->Get(*remote_inbound_rtp.transport_id)); | 
|  | } | 
|  |  | 
|  | INSTANTIATE_TEST_SUITE_P(All, | 
|  | RTCStatsCollectorTestWithParamKind, | 
|  | ::testing::Values(cricket::MEDIA_TYPE_AUDIO,    // "/0" | 
|  | cricket::MEDIA_TYPE_VIDEO));  // "/1" | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | RTCVideoSourceStatsNotCollectedForSenderWithoutTrack) { | 
|  | const uint32_t kSsrc = 4; | 
|  | const int kAttachmentId = 42; | 
|  |  | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  | video_media_info.senders.push_back(cricket::VideoSenderInfo()); | 
|  | video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | video_media_info.senders[0].local_stats[0].ssrc = kSsrc; | 
|  | video_media_info.senders[0].framerate_input = 29; | 
|  | auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName"); | 
|  | video_media_channel->SetStats(video_media_info); | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender( | 
|  | cricket::MEDIA_TYPE_VIDEO, /*track=*/nullptr, kSsrc, kAttachmentId, {}); | 
|  | pc_->AddSender(sender); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  | EXPECT_FALSE(report->Get("RTCVideoSource_42")); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, GetStatsWithSenderSelector) { | 
|  | ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests(); | 
|  | // Expected stats graph when filtered by sender: | 
|  | // | 
|  | //  +--- track (sender) | 
|  | //  |             ^ | 
|  | //  |             | | 
|  | //  | +--------- outbound-rtp | 
|  | //  | |           |        | | 
|  | //  | |           v        v | 
|  | //  | |  codec (send)     transport | 
|  | //  v v | 
|  | //  media-source | 
|  | rtc::scoped_refptr<const RTCStatsReport> sender_report = | 
|  | stats_->GetStatsReportWithSenderSelector(graph.sender); | 
|  | EXPECT_TRUE(sender_report); | 
|  | EXPECT_EQ(sender_report->timestamp_us(), graph.full_report->timestamp_us()); | 
|  | EXPECT_EQ(sender_report->size(), 5u); | 
|  | EXPECT_TRUE(sender_report->Get(graph.send_codec_id)); | 
|  | EXPECT_FALSE(sender_report->Get(graph.recv_codec_id)); | 
|  | EXPECT_TRUE(sender_report->Get(graph.outbound_rtp_id)); | 
|  | EXPECT_FALSE(sender_report->Get(graph.inbound_rtp_id)); | 
|  | EXPECT_TRUE(sender_report->Get(graph.transport_id)); | 
|  | EXPECT_TRUE(sender_report->Get(graph.sender_track_id)); | 
|  | EXPECT_FALSE(sender_report->Get(graph.receiver_track_id)); | 
|  | EXPECT_FALSE(sender_report->Get(graph.remote_stream_id)); | 
|  | EXPECT_FALSE(sender_report->Get(graph.peer_connection_id)); | 
|  | EXPECT_TRUE(sender_report->Get(graph.media_source_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, GetStatsWithReceiverSelector) { | 
|  | ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests(); | 
|  | // Expected stats graph when filtered by receiver: | 
|  | // | 
|  | //                                                       track (receiver) | 
|  | //                                                         ^ | 
|  | //                                                         | | 
|  | //                              inbound-rtp ---------------+ | 
|  | //                               |       | | 
|  | //                               v       v | 
|  | //                        transport     codec (recv) | 
|  | rtc::scoped_refptr<const RTCStatsReport> receiver_report = | 
|  | stats_->GetStatsReportWithReceiverSelector(graph.receiver); | 
|  | EXPECT_TRUE(receiver_report); | 
|  | EXPECT_EQ(receiver_report->size(), 4u); | 
|  | EXPECT_EQ(receiver_report->timestamp_us(), graph.full_report->timestamp_us()); | 
|  | EXPECT_FALSE(receiver_report->Get(graph.send_codec_id)); | 
|  | EXPECT_TRUE(receiver_report->Get(graph.recv_codec_id)); | 
|  | EXPECT_FALSE(receiver_report->Get(graph.outbound_rtp_id)); | 
|  | EXPECT_TRUE(receiver_report->Get(graph.inbound_rtp_id)); | 
|  | EXPECT_TRUE(receiver_report->Get(graph.transport_id)); | 
|  | EXPECT_FALSE(receiver_report->Get(graph.sender_track_id)); | 
|  | EXPECT_TRUE(receiver_report->Get(graph.receiver_track_id)); | 
|  | EXPECT_FALSE(receiver_report->Get(graph.remote_stream_id)); | 
|  | EXPECT_FALSE(receiver_report->Get(graph.peer_connection_id)); | 
|  | EXPECT_FALSE(receiver_report->Get(graph.media_source_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, GetStatsWithNullSenderSelector) { | 
|  | ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> empty_report = | 
|  | stats_->GetStatsReportWithSenderSelector(nullptr); | 
|  | EXPECT_TRUE(empty_report); | 
|  | EXPECT_EQ(empty_report->timestamp_us(), graph.full_report->timestamp_us()); | 
|  | EXPECT_EQ(empty_report->size(), 0u); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, GetStatsWithNullReceiverSelector) { | 
|  | ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> empty_report = | 
|  | stats_->GetStatsReportWithReceiverSelector(nullptr); | 
|  | EXPECT_TRUE(empty_report); | 
|  | EXPECT_EQ(empty_report->timestamp_us(), graph.full_report->timestamp_us()); | 
|  | EXPECT_EQ(empty_report->size(), 0u); | 
|  | } | 
|  |  | 
|  | // When the PC has not had SetLocalDescription done, tracks all have | 
|  | // SSRC 0, meaning "unconnected". | 
|  | // In this state, we report on track stats, but not RTP stats. | 
|  | TEST_F(RTCStatsCollectorTest, StatsReportedOnZeroSsrc) { | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> track = | 
|  | CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "audioTrack", | 
|  | MediaStreamTrackInterface::kLive); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = | 
|  | CreateMockSender(cricket::MEDIA_TYPE_AUDIO, track, 0, 49, {}); | 
|  | pc_->AddSender(sender); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | std::vector<const RTCMediaStreamTrackStats*> track_stats = | 
|  | report->GetStatsOfType<RTCMediaStreamTrackStats>(); | 
|  | EXPECT_EQ(1U, track_stats.size()); | 
|  |  | 
|  | std::vector<const RTCRTPStreamStats*> rtp_stream_stats = | 
|  | report->GetStatsOfType<RTCRTPStreamStats>(); | 
|  | EXPECT_EQ(0U, rtp_stream_stats.size()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, DoNotCrashOnSsrcChange) { | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> track = | 
|  | CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "audioTrack", | 
|  | MediaStreamTrackInterface::kLive); | 
|  | rtc::scoped_refptr<MockRtpSenderInternal> sender = | 
|  | CreateMockSender(cricket::MEDIA_TYPE_AUDIO, track, 4711, 49, {}); | 
|  | pc_->AddSender(sender); | 
|  |  | 
|  | // We do not generate any matching voice_sender_info stats. | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport(); | 
|  |  | 
|  | std::vector<const RTCMediaStreamTrackStats*> track_stats = | 
|  | report->GetStatsOfType<RTCMediaStreamTrackStats>(); | 
|  | EXPECT_EQ(1U, track_stats.size()); | 
|  | } | 
|  |  | 
|  | // Used for test below, to test calling GetStatsReport during a callback. | 
|  | class RecursiveCallback : public RTCStatsCollectorCallback { | 
|  | public: | 
|  | explicit RecursiveCallback(RTCStatsCollectorWrapper* stats) : stats_(stats) {} | 
|  |  | 
|  | void OnStatsDelivered( | 
|  | const rtc::scoped_refptr<const RTCStatsReport>& report) override { | 
|  | stats_->GetStatsReport(); | 
|  | called_ = true; | 
|  | } | 
|  |  | 
|  | bool called() const { return called_; } | 
|  |  | 
|  | private: | 
|  | RTCStatsCollectorWrapper* stats_; | 
|  | bool called_ = false; | 
|  | }; | 
|  |  | 
|  | // Test that nothing bad happens if a callback causes GetStatsReport to be | 
|  | // called again recursively. Regression test for crbug.com/webrtc/8973. | 
|  | TEST_F(RTCStatsCollectorTest, DoNotCrashWhenGetStatsCalledDuringCallback) { | 
|  | rtc::scoped_refptr<RecursiveCallback> callback1( | 
|  | new rtc::RefCountedObject<RecursiveCallback>(stats_.get())); | 
|  | rtc::scoped_refptr<RecursiveCallback> callback2( | 
|  | new rtc::RefCountedObject<RecursiveCallback>(stats_.get())); | 
|  | stats_->stats_collector()->GetStatsReport(callback1); | 
|  | stats_->stats_collector()->GetStatsReport(callback2); | 
|  | EXPECT_TRUE_WAIT(callback1->called(), kGetStatsReportTimeoutMs); | 
|  | EXPECT_TRUE_WAIT(callback2->called(), kGetStatsReportTimeoutMs); | 
|  | } | 
|  |  | 
|  | class RTCTestStats : public RTCStats { | 
|  | public: | 
|  | WEBRTC_RTCSTATS_DECL(); | 
|  |  | 
|  | RTCTestStats(const std::string& id, int64_t timestamp_us) | 
|  | : RTCStats(id, timestamp_us), dummy_stat("dummyStat") {} | 
|  |  | 
|  | RTCStatsMember<int32_t> dummy_stat; | 
|  | }; | 
|  |  | 
|  | WEBRTC_RTCSTATS_IMPL(RTCTestStats, RTCStats, "test-stats", &dummy_stat) | 
|  |  | 
|  | // Overrides the stats collection to verify thread usage and that the resulting | 
|  | // partial reports are merged. | 
|  | class FakeRTCStatsCollector : public RTCStatsCollector, | 
|  | public RTCStatsCollectorCallback { | 
|  | public: | 
|  | static rtc::scoped_refptr<FakeRTCStatsCollector> Create( | 
|  | PeerConnectionInternal* pc, | 
|  | int64_t cache_lifetime_us) { | 
|  | return rtc::scoped_refptr<FakeRTCStatsCollector>( | 
|  | new rtc::RefCountedObject<FakeRTCStatsCollector>(pc, | 
|  | cache_lifetime_us)); | 
|  | } | 
|  |  | 
|  | // RTCStatsCollectorCallback implementation. | 
|  | void OnStatsDelivered( | 
|  | const rtc::scoped_refptr<const RTCStatsReport>& report) override { | 
|  | EXPECT_TRUE(signaling_thread_->IsCurrent()); | 
|  | rtc::CritScope cs(&lock_); | 
|  | delivered_report_ = report; | 
|  | } | 
|  |  | 
|  | void VerifyThreadUsageAndResultsMerging() { | 
|  | GetStatsReport(rtc::scoped_refptr<RTCStatsCollectorCallback>(this)); | 
|  | EXPECT_TRUE_WAIT(HasVerifiedResults(), kGetStatsReportTimeoutMs); | 
|  | } | 
|  |  | 
|  | bool HasVerifiedResults() { | 
|  | EXPECT_TRUE(signaling_thread_->IsCurrent()); | 
|  | rtc::CritScope cs(&lock_); | 
|  | if (!delivered_report_) | 
|  | return false; | 
|  | EXPECT_EQ(produced_on_signaling_thread_, 1); | 
|  | EXPECT_EQ(produced_on_network_thread_, 1); | 
|  |  | 
|  | EXPECT_TRUE(delivered_report_->Get("SignalingThreadStats")); | 
|  | EXPECT_TRUE(delivered_report_->Get("NetworkThreadStats")); | 
|  |  | 
|  | produced_on_signaling_thread_ = 0; | 
|  | produced_on_network_thread_ = 0; | 
|  | delivered_report_ = nullptr; | 
|  | return true; | 
|  | } | 
|  |  | 
|  | protected: | 
|  | FakeRTCStatsCollector(PeerConnectionInternal* pc, int64_t cache_lifetime) | 
|  | : RTCStatsCollector(pc, cache_lifetime), | 
|  | signaling_thread_(pc->signaling_thread()), | 
|  | worker_thread_(pc->worker_thread()), | 
|  | network_thread_(pc->network_thread()) {} | 
|  |  | 
|  | void ProducePartialResultsOnSignalingThreadImpl( | 
|  | int64_t timestamp_us, | 
|  | RTCStatsReport* partial_report) override { | 
|  | EXPECT_TRUE(signaling_thread_->IsCurrent()); | 
|  | { | 
|  | rtc::CritScope cs(&lock_); | 
|  | EXPECT_FALSE(delivered_report_); | 
|  | ++produced_on_signaling_thread_; | 
|  | } | 
|  |  | 
|  | partial_report->AddStats(std::unique_ptr<const RTCStats>( | 
|  | new RTCTestStats("SignalingThreadStats", timestamp_us))); | 
|  | } | 
|  | void ProducePartialResultsOnNetworkThreadImpl( | 
|  | int64_t timestamp_us, | 
|  | const std::map<std::string, cricket::TransportStats>& | 
|  | transport_stats_by_name, | 
|  | const std::map<std::string, CertificateStatsPair>& transport_cert_stats, | 
|  | RTCStatsReport* partial_report) override { | 
|  | EXPECT_TRUE(network_thread_->IsCurrent()); | 
|  | { | 
|  | rtc::CritScope cs(&lock_); | 
|  | EXPECT_FALSE(delivered_report_); | 
|  | ++produced_on_network_thread_; | 
|  | } | 
|  |  | 
|  | partial_report->AddStats(std::unique_ptr<const RTCStats>( | 
|  | new RTCTestStats("NetworkThreadStats", timestamp_us))); | 
|  | } | 
|  |  | 
|  | private: | 
|  | rtc::Thread* const signaling_thread_; | 
|  | rtc::Thread* const worker_thread_; | 
|  | rtc::Thread* const network_thread_; | 
|  |  | 
|  | rtc::CriticalSection lock_; | 
|  | rtc::scoped_refptr<const RTCStatsReport> delivered_report_; | 
|  | int produced_on_signaling_thread_ = 0; | 
|  | int produced_on_network_thread_ = 0; | 
|  | }; | 
|  |  | 
|  | TEST(RTCStatsCollectorTestWithFakeCollector, ThreadUsageAndResultsMerging) { | 
|  | rtc::scoped_refptr<FakePeerConnectionForStats> pc( | 
|  | new rtc::RefCountedObject<FakePeerConnectionForStats>()); | 
|  | rtc::scoped_refptr<FakeRTCStatsCollector> stats_collector( | 
|  | FakeRTCStatsCollector::Create(pc, 50 * rtc::kNumMicrosecsPerMillisec)); | 
|  | stats_collector->VerifyThreadUsageAndResultsMerging(); | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | }  // namespace webrtc |