|  | /* | 
|  | *  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 "webrtc/pc/rtcstatscollector.h" | 
|  |  | 
|  | #include <initializer_list> | 
|  | #include <memory> | 
|  | #include <ostream> | 
|  | #include <string> | 
|  | #include <vector> | 
|  |  | 
|  | #include "webrtc/api/jsepsessiondescription.h" | 
|  | #include "webrtc/api/rtpparameters.h" | 
|  | #include "webrtc/api/stats/rtcstats_objects.h" | 
|  | #include "webrtc/api/stats/rtcstatsreport.h" | 
|  | #include "webrtc/api/test/mock_rtpreceiver.h" | 
|  | #include "webrtc/api/test/mock_rtpsender.h" | 
|  | #include "webrtc/base/checks.h" | 
|  | #include "webrtc/base/fakeclock.h" | 
|  | #include "webrtc/base/fakesslidentity.h" | 
|  | #include "webrtc/base/gunit.h" | 
|  | #include "webrtc/base/logging.h" | 
|  | #include "webrtc/base/socketaddress.h" | 
|  | #include "webrtc/base/thread_checker.h" | 
|  | #include "webrtc/base/timedelta.h" | 
|  | #include "webrtc/base/timeutils.h" | 
|  | #include "webrtc/logging/rtc_event_log/rtc_event_log.h" | 
|  | #include "webrtc/media/base/fakemediaengine.h" | 
|  | #include "webrtc/media/base/test/mock_mediachannel.h" | 
|  | #include "webrtc/p2p/base/p2pconstants.h" | 
|  | #include "webrtc/p2p/base/port.h" | 
|  | #include "webrtc/pc/mediastream.h" | 
|  | #include "webrtc/pc/mediastreamtrack.h" | 
|  | #include "webrtc/pc/test/mock_datachannel.h" | 
|  | #include "webrtc/pc/test/mock_peerconnection.h" | 
|  | #include "webrtc/pc/test/mock_webrtcsession.h" | 
|  | #include "webrtc/pc/test/rtcstatsobtainer.h" | 
|  |  | 
|  | using testing::_; | 
|  | using testing::Invoke; | 
|  | using testing::Return; | 
|  | using testing::ReturnNull; | 
|  | using testing::ReturnRef; | 
|  | using testing::SetArgPointee; | 
|  |  | 
|  | namespace webrtc { | 
|  |  | 
|  | // These are used by gtest code, such as if |EXPECT_EQ| fails. | 
|  | void PrintTo(const RTCCertificateStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCCodecStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCDataChannelStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCIceCandidatePairStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCLocalIceCandidateStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCRemoteIceCandidateStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCPeerConnectionStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCMediaStreamStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCMediaStreamTrackStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCInboundRTPStreamStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCOutboundRTPStreamStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | void PrintTo(const RTCTransportStats& stats, ::std::ostream* os) { | 
|  | *os << stats.ToString(); | 
|  | } | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | const int64_t kGetStatsReportTimeoutMs = 1000; | 
|  | const bool kDefaultRtcpMuxRequired = true; | 
|  | const bool kDefaultSrtpRequired = true; | 
|  |  | 
|  | struct CertificateInfo { | 
|  | rtc::scoped_refptr<rtc::RTCCertificate> certificate; | 
|  | std::vector<std::string> ders; | 
|  | std::vector<std::string> pems; | 
|  | std::vector<std::string> fingerprints; | 
|  | }; | 
|  |  | 
|  | 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(rtc::FakeSSLCertificate(info->pems)))); | 
|  | // Strip header/footer and newline characters of PEM strings. | 
|  | for (size_t i = 0; i < info->pems.size(); ++i) { | 
|  | rtc::replace_substrs("-----BEGIN CERTIFICATE-----", 27, | 
|  | "", 0, &info->pems[i]); | 
|  | rtc::replace_substrs("-----END CERTIFICATE-----", 25, | 
|  | "", 0, &info->pems[i]); | 
|  | rtc::replace_substrs("\n", 1, | 
|  | "", 0, &info->pems[i]); | 
|  | } | 
|  | // Fingerprint of leaf certificate. | 
|  | std::unique_ptr<rtc::SSLFingerprint> fp( | 
|  | rtc::SSLFingerprint::Create("sha-1", | 
|  | &info->certificate->ssl_certificate())); | 
|  | EXPECT_TRUE(fp); | 
|  | info->fingerprints.push_back(fp->GetRfc4572Fingerprint()); | 
|  | // Fingerprints of the rest of the chain. | 
|  | std::unique_ptr<rtc::SSLCertChain> chain = | 
|  | info->certificate->ssl_certificate().GetChain(); | 
|  | if (chain) { | 
|  | for (size_t i = 0; i < chain->GetSize(); i++) { | 
|  | fp.reset(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 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_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; | 
|  | } | 
|  |  | 
|  | 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 FakeVideoTrackForStats | 
|  | : public MediaStreamTrack<VideoTrackInterface> { | 
|  | public: | 
|  | static rtc::scoped_refptr<FakeVideoTrackForStats> Create( | 
|  | const std::string& id, | 
|  | MediaStreamTrackInterface::TrackState state) { | 
|  | rtc::scoped_refptr<FakeVideoTrackForStats> video_track( | 
|  | new rtc::RefCountedObject<FakeVideoTrackForStats>(id)); | 
|  | video_track->set_state(state); | 
|  | return video_track; | 
|  | } | 
|  |  | 
|  | FakeVideoTrackForStats(const std::string& id) | 
|  | : MediaStreamTrack<VideoTrackInterface>(id) { | 
|  | } | 
|  |  | 
|  | std::string kind() const override { | 
|  | return MediaStreamTrackInterface::kVideoKind; | 
|  | } | 
|  | VideoTrackSourceInterface* GetSource() const override { return nullptr; } | 
|  | }; | 
|  |  | 
|  | 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); | 
|  | } | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpSender> CreateMockSender( | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> track, uint32_t ssrc) { | 
|  | rtc::scoped_refptr<MockRtpSender> sender( | 
|  | new rtc::RefCountedObject<MockRtpSender>()); | 
|  | EXPECT_CALL(*sender, track()).WillRepeatedly(Return(track)); | 
|  | EXPECT_CALL(*sender, ssrc()).WillRepeatedly(Return(ssrc)); | 
|  | EXPECT_CALL(*sender, media_type()).WillRepeatedly(Return( | 
|  | track->kind() == MediaStreamTrackInterface::kAudioKind | 
|  | ? cricket::MEDIA_TYPE_AUDIO : cricket::MEDIA_TYPE_VIDEO)); | 
|  | EXPECT_CALL(*sender, GetParameters()).WillRepeatedly(Invoke( | 
|  | [ssrc]() { | 
|  | RtpParameters params; | 
|  | params.encodings.push_back(RtpEncodingParameters()); | 
|  | params.encodings[0].ssrc = rtc::Optional<uint32_t>(ssrc); | 
|  | return params; | 
|  | })); | 
|  | return sender; | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpReceiver> CreateMockReceiver( | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> track, uint32_t ssrc) { | 
|  | rtc::scoped_refptr<MockRtpReceiver> receiver( | 
|  | new rtc::RefCountedObject<MockRtpReceiver>()); | 
|  | EXPECT_CALL(*receiver, track()).WillRepeatedly(Return(track)); | 
|  | 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 = rtc::Optional<uint32_t>(ssrc); | 
|  | return params; | 
|  | })); | 
|  | return receiver; | 
|  | } | 
|  |  | 
|  | class RTCStatsCollectorTestHelper : public SetSessionDescriptionObserver { | 
|  | public: | 
|  | RTCStatsCollectorTestHelper() | 
|  | : worker_thread_(rtc::Thread::Current()), | 
|  | network_thread_(rtc::Thread::Current()), | 
|  | signaling_thread_(rtc::Thread::Current()), | 
|  | media_engine_(new cricket::FakeMediaEngine()), | 
|  | channel_manager_(new cricket::ChannelManager(media_engine_, | 
|  | worker_thread_, | 
|  | network_thread_)), | 
|  | media_controller_( | 
|  | MediaControllerInterface::Create(cricket::MediaConfig(), | 
|  | worker_thread_, | 
|  | channel_manager_.get(), | 
|  | &event_log_)), | 
|  | session_(media_controller_.get()), | 
|  | pc_() { | 
|  | // Default return values for mocks. | 
|  | EXPECT_CALL(pc_, local_streams()).WillRepeatedly(Return(nullptr)); | 
|  | EXPECT_CALL(pc_, remote_streams()).WillRepeatedly(Return(nullptr)); | 
|  | EXPECT_CALL(pc_, session()).WillRepeatedly(Return(&session_)); | 
|  | EXPECT_CALL(pc_, GetSenders()).WillRepeatedly(Return( | 
|  | std::vector<rtc::scoped_refptr<RtpSenderInterface>>())); | 
|  | EXPECT_CALL(pc_, GetReceivers()).WillRepeatedly(Return( | 
|  | std::vector<rtc::scoped_refptr<RtpReceiverInterface>>())); | 
|  | EXPECT_CALL(pc_, sctp_data_channels()).WillRepeatedly( | 
|  | ReturnRef(data_channels_)); | 
|  | EXPECT_CALL(session_, video_channel()).WillRepeatedly(ReturnNull()); | 
|  | EXPECT_CALL(session_, voice_channel()).WillRepeatedly(ReturnNull()); | 
|  | EXPECT_CALL(session_, GetStats(_)).WillRepeatedly(ReturnNull()); | 
|  | EXPECT_CALL(session_, GetLocalCertificate(_, _)).WillRepeatedly( | 
|  | Return(false)); | 
|  | EXPECT_CALL(session_, GetRemoteSSLCertificate_ReturnsRawPointer(_)) | 
|  | .WillRepeatedly(Return(nullptr)); | 
|  | } | 
|  |  | 
|  | rtc::ScopedFakeClock& fake_clock() { return fake_clock_; } | 
|  | rtc::Thread* worker_thread() { return worker_thread_; } | 
|  | rtc::Thread* network_thread() { return network_thread_; } | 
|  | rtc::Thread* signaling_thread() { return signaling_thread_; } | 
|  | cricket::FakeMediaEngine* media_engine() { return media_engine_; } | 
|  | MockWebRtcSession& session() { return session_; } | 
|  | MockPeerConnection& pc() { return pc_; } | 
|  | std::vector<rtc::scoped_refptr<DataChannel>>& data_channels() { | 
|  | return data_channels_; | 
|  | } | 
|  |  | 
|  | // SetSessionDescriptionObserver overrides. | 
|  | void OnSuccess() override {} | 
|  | void OnFailure(const std::string& error) override { | 
|  | RTC_NOTREACHED() << error; | 
|  | } | 
|  |  | 
|  | void SetupLocalTrackAndSender(cricket::MediaType media_type, | 
|  | const std::string& track_id, | 
|  | uint32_t ssrc) { | 
|  | rtc::scoped_refptr<StreamCollection> local_streams = | 
|  | StreamCollection::Create(); | 
|  | EXPECT_CALL(pc_, local_streams()) | 
|  | .WillRepeatedly(Return(local_streams)); | 
|  |  | 
|  | rtc::scoped_refptr<MediaStream> local_stream = | 
|  | MediaStream::Create("LocalStreamLabel"); | 
|  | 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); | 
|  | local_stream->AddTrack(static_cast<AudioTrackInterface*>(track.get())); | 
|  | } else { | 
|  | track = CreateFakeTrack(media_type, track_id, | 
|  | MediaStreamTrackInterface::kLive); | 
|  | local_stream->AddTrack(static_cast<VideoTrackInterface*>(track.get())); | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<MockRtpSender> sender = CreateMockSender(track, ssrc); | 
|  | EXPECT_CALL(pc_, GetSenders()).WillRepeatedly(Return( | 
|  | std::vector<rtc::scoped_refptr<RtpSenderInterface>>({ | 
|  | rtc::scoped_refptr<RtpSenderInterface>(sender.get()) }))); | 
|  | } | 
|  |  | 
|  | void SetupRemoteTrackAndReceiver(cricket::MediaType media_type, | 
|  | const std::string& track_id, | 
|  | uint32_t ssrc) { | 
|  | rtc::scoped_refptr<StreamCollection> remote_streams = | 
|  | StreamCollection::Create(); | 
|  | EXPECT_CALL(pc_, remote_streams()) | 
|  | .WillRepeatedly(Return(remote_streams)); | 
|  |  | 
|  | rtc::scoped_refptr<MediaStream> remote_stream = | 
|  | MediaStream::Create("RemoteStreamLabel"); | 
|  | 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<MockRtpReceiver> receiver = | 
|  | CreateMockReceiver(track, ssrc); | 
|  | EXPECT_CALL(pc_, GetReceivers()).WillRepeatedly(Return( | 
|  | std::vector<rtc::scoped_refptr<RtpReceiverInterface>>({ | 
|  | rtc::scoped_refptr<RtpReceiverInterface>(receiver.get()) }))); | 
|  | } | 
|  |  | 
|  | // 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|. | 
|  | 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) { | 
|  | voice_media_info_.reset(new cricket::VoiceMediaInfo()); | 
|  | video_media_info_.reset(new cricket::VideoMediaInfo()); | 
|  | rtp_senders_.clear(); | 
|  | rtp_receivers_.clear(); | 
|  | // 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<MockRtpSender> rtp_sender = | 
|  | CreateMockSender(rtc::scoped_refptr<MediaStreamTrackInterface>( | 
|  | local_audio_track), | 
|  | voice_sender_info.local_stats[0].ssrc); | 
|  | rtp_senders_.push_back(rtc::scoped_refptr<RtpSenderInterface>( | 
|  | rtp_sender.get())); | 
|  | } | 
|  | // 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<MockRtpReceiver> rtp_receiver = | 
|  | CreateMockReceiver(rtc::scoped_refptr<MediaStreamTrackInterface>( | 
|  | remote_audio_track), | 
|  | voice_receiver_info.local_stats[0].ssrc); | 
|  | rtp_receivers_.push_back(rtc::scoped_refptr<RtpReceiverInterface>( | 
|  | rtp_receiver.get())); | 
|  | } | 
|  | // 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<MockRtpSender> rtp_sender = | 
|  | CreateMockSender(rtc::scoped_refptr<MediaStreamTrackInterface>( | 
|  | local_video_track), | 
|  | video_sender_info.local_stats[0].ssrc); | 
|  | rtp_senders_.push_back(rtc::scoped_refptr<RtpSenderInterface>( | 
|  | rtp_sender.get())); | 
|  | } | 
|  | // 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<MockRtpReceiver> rtp_receiver = | 
|  | CreateMockReceiver(rtc::scoped_refptr<MediaStreamTrackInterface>( | 
|  | remote_video_track), | 
|  | video_receiver_info.local_stats[0].ssrc); | 
|  | rtp_receivers_.push_back(rtc::scoped_refptr<RtpReceiverInterface>( | 
|  | rtp_receiver.get())); | 
|  | } | 
|  | EXPECT_CALL(pc_, GetSenders()).WillRepeatedly(Return(rtp_senders_)); | 
|  | EXPECT_CALL(pc_, GetReceivers()).WillRepeatedly(Return(rtp_receivers_)); | 
|  |  | 
|  | MockVoiceMediaChannel* voice_media_channel = new MockVoiceMediaChannel(); | 
|  | voice_channel_.reset(new cricket::VoiceChannel( | 
|  | worker_thread_, network_thread_, nullptr, media_engine_, | 
|  | voice_media_channel, "VoiceContentName", kDefaultRtcpMuxRequired, | 
|  | kDefaultSrtpRequired)); | 
|  | EXPECT_CALL(session_, voice_channel()) | 
|  | .WillRepeatedly(Return(voice_channel_.get())); | 
|  | EXPECT_CALL(*voice_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(*voice_media_info_), Return(true))); | 
|  |  | 
|  | MockVideoMediaChannel* video_media_channel = new MockVideoMediaChannel(); | 
|  | video_channel_.reset(new cricket::VideoChannel( | 
|  | worker_thread_, network_thread_, nullptr, video_media_channel, | 
|  | "VideoContentName", kDefaultRtcpMuxRequired, kDefaultSrtpRequired)); | 
|  | EXPECT_CALL(session_, video_channel()) | 
|  | .WillRepeatedly(Return(video_channel_.get())); | 
|  | EXPECT_CALL(*video_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(*video_media_info_), Return(true))); | 
|  | } | 
|  |  | 
|  | private: | 
|  | rtc::ScopedFakeClock fake_clock_; | 
|  | RtcEventLogNullImpl event_log_; | 
|  | rtc::Thread* const worker_thread_; | 
|  | rtc::Thread* const network_thread_; | 
|  | rtc::Thread* const signaling_thread_; | 
|  | cricket::FakeMediaEngine* media_engine_; | 
|  | std::unique_ptr<cricket::ChannelManager> channel_manager_; | 
|  | std::unique_ptr<MediaControllerInterface> media_controller_; | 
|  | MockWebRtcSession session_; | 
|  | MockPeerConnection pc_; | 
|  |  | 
|  | std::vector<rtc::scoped_refptr<DataChannel>> data_channels_; | 
|  | std::unique_ptr<cricket::VoiceChannel> voice_channel_; | 
|  | std::unique_ptr<cricket::VideoChannel> video_channel_; | 
|  | std::unique_ptr<cricket::VoiceMediaInfo> voice_media_info_; | 
|  | std::unique_ptr<cricket::VideoMediaInfo> video_media_info_; | 
|  | std::vector<rtc::scoped_refptr<RtpSenderInterface>> rtp_senders_; | 
|  | std::vector<rtc::scoped_refptr<RtpReceiverInterface>> rtp_receivers_; | 
|  | }; | 
|  |  | 
|  | 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( | 
|  | PeerConnection* 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( | 
|  | PeerConnection* pc, | 
|  | int64_t cache_lifetime) | 
|  | : RTCStatsCollector(pc, cache_lifetime), | 
|  | signaling_thread_(pc->session()->signaling_thread()), | 
|  | worker_thread_(pc->session()->worker_thread()), | 
|  | network_thread_(pc->session()->network_thread()) { | 
|  | } | 
|  |  | 
|  | void ProducePartialResultsOnSignalingThread(int64_t timestamp_us) override { | 
|  | EXPECT_TRUE(signaling_thread_->IsCurrent()); | 
|  | { | 
|  | rtc::CritScope cs(&lock_); | 
|  | EXPECT_FALSE(delivered_report_); | 
|  | ++produced_on_signaling_thread_; | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<RTCStatsReport> signaling_report = | 
|  | RTCStatsReport::Create(0); | 
|  | signaling_report->AddStats(std::unique_ptr<const RTCStats>( | 
|  | new RTCTestStats("SignalingThreadStats", timestamp_us))); | 
|  | AddPartialResults(signaling_report); | 
|  | } | 
|  | void ProducePartialResultsOnNetworkThread(int64_t timestamp_us) override { | 
|  | EXPECT_TRUE(network_thread_->IsCurrent()); | 
|  | { | 
|  | rtc::CritScope cs(&lock_); | 
|  | EXPECT_FALSE(delivered_report_); | 
|  | ++produced_on_network_thread_; | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<RTCStatsReport> network_report = | 
|  | RTCStatsReport::Create(0); | 
|  | network_report->AddStats(std::unique_ptr<const RTCStats>( | 
|  | new RTCTestStats("NetworkThreadStats", timestamp_us))); | 
|  | AddPartialResults(network_report); | 
|  | } | 
|  |  | 
|  | 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; | 
|  | }; | 
|  |  | 
|  | class RTCStatsCollectorTest : public testing::Test { | 
|  | public: | 
|  | RTCStatsCollectorTest() | 
|  | : test_(new rtc::RefCountedObject<RTCStatsCollectorTestHelper>()), | 
|  | collector_(RTCStatsCollector::Create( | 
|  | &test_->pc(), 50 * rtc::kNumMicrosecsPerMillisec)) { | 
|  | } | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> GetStatsReport() { | 
|  | rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create(); | 
|  | collector_->GetStatsReport(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(); | 
|  | } | 
|  |  | 
|  | 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>()); | 
|  | } | 
|  | } | 
|  |  | 
|  | protected: | 
|  | rtc::scoped_refptr<RTCStatsCollectorTestHelper> test_; | 
|  | rtc::scoped_refptr<RTCStatsCollector> collector_; | 
|  | }; | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, SingleCallback) { | 
|  | rtc::scoped_refptr<const RTCStatsReport> result; | 
|  | collector_->GetStatsReport(RTCStatsObtainer::Create(&result)); | 
|  | EXPECT_TRUE_WAIT(result, kGetStatsReportTimeoutMs); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, MultipleCallbacks) { | 
|  | rtc::scoped_refptr<const RTCStatsReport> a; | 
|  | rtc::scoped_refptr<const RTCStatsReport> b; | 
|  | rtc::scoped_refptr<const RTCStatsReport> c; | 
|  | collector_->GetStatsReport(RTCStatsObtainer::Create(&a)); | 
|  | collector_->GetStatsReport(RTCStatsObtainer::Create(&b)); | 
|  | 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 = GetStatsReport(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> b = GetStatsReport(); | 
|  | EXPECT_EQ(a.get(), b.get()); | 
|  | // Invalidate cache by clearing it. | 
|  | collector_->ClearCachedStatsReport(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> c = GetStatsReport(); | 
|  | EXPECT_NE(b.get(), c.get()); | 
|  | // Invalidate cache by advancing time. | 
|  | test_->fake_clock().AdvanceTime(rtc::TimeDelta::FromMilliseconds(51)); | 
|  | rtc::scoped_refptr<const RTCStatsReport> d = GetStatsReport(); | 
|  | EXPECT_TRUE(d); | 
|  | EXPECT_NE(c.get(), d.get()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, MultipleCallbacksWithInvalidatedCacheInBetween) { | 
|  | rtc::scoped_refptr<const RTCStatsReport> a; | 
|  | rtc::scoped_refptr<const RTCStatsReport> b; | 
|  | rtc::scoped_refptr<const RTCStatsReport> c; | 
|  | collector_->GetStatsReport(RTCStatsObtainer::Create(&a)); | 
|  | collector_->GetStatsReport(RTCStatsObtainer::Create(&b)); | 
|  | // Cache is invalidated after 50 ms. | 
|  | test_->fake_clock().AdvanceTime(rtc::TimeDelta::FromMilliseconds(51)); | 
|  | 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, CollectRTCCertificateStatsSingle) { | 
|  | std::unique_ptr<CertificateInfo> local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({ "(local) single certificate" })); | 
|  | std::unique_ptr<CertificateInfo> remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({ "(remote) single certificate" })); | 
|  |  | 
|  | // Mock the session to return the local and remote certificates. | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [this](const ChannelNamePairs&) { | 
|  | std::unique_ptr<SessionStats> stats(new SessionStats()); | 
|  | stats->transport_stats["transport"].transport_name = "transport"; | 
|  | return stats; | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), GetLocalCertificate(_, _)).WillRepeatedly( | 
|  | Invoke([this, &local_certinfo](const std::string& transport_name, | 
|  | rtc::scoped_refptr<rtc::RTCCertificate>* certificate) { | 
|  | if (transport_name == "transport") { | 
|  | *certificate = local_certinfo->certificate; | 
|  | return true; | 
|  | } | 
|  | return false; | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), | 
|  | GetRemoteSSLCertificate_ReturnsRawPointer(_)).WillRepeatedly(Invoke( | 
|  | [this, &remote_certinfo](const std::string& transport_name) { | 
|  | if (transport_name == "transport") | 
|  | return remote_certinfo->certificate->ssl_certificate().GetReference(); | 
|  | return static_cast<rtc::SSLCertificate*>(nullptr); | 
|  | })); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  | ExpectReportContainsCertificateInfo(report, *local_certinfo); | 
|  | ExpectReportContainsCertificateInfo(report, *remote_certinfo); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCCodecStats) { | 
|  | MockVoiceMediaChannel* voice_media_channel = new MockVoiceMediaChannel(); | 
|  | cricket::VoiceChannel voice_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), test_->media_engine(), voice_media_channel, | 
|  | "VoiceContentName", kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  |  | 
|  | MockVideoMediaChannel* video_media_channel = new MockVideoMediaChannel(); | 
|  | cricket::VideoChannel video_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), video_media_channel, "VideoContentName", | 
|  | kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  |  | 
|  | // Audio | 
|  | cricket::VoiceMediaInfo voice_media_info; | 
|  |  | 
|  | RtpCodecParameters inbound_audio_codec; | 
|  | inbound_audio_codec.payload_type = 1; | 
|  | inbound_audio_codec.mime_type = "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.mime_type = "isac"; | 
|  | outbound_audio_codec.clock_rate = 1338; | 
|  | voice_media_info.send_codecs.insert( | 
|  | std::make_pair(outbound_audio_codec.payload_type, outbound_audio_codec)); | 
|  |  | 
|  | EXPECT_CALL(*voice_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(voice_media_info), Return(true))); | 
|  |  | 
|  | // Video | 
|  | cricket::VideoMediaInfo video_media_info; | 
|  |  | 
|  | RtpCodecParameters inbound_video_codec; | 
|  | inbound_video_codec.payload_type = 3; | 
|  | inbound_video_codec.mime_type = "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.mime_type = "VP8"; | 
|  | outbound_video_codec.clock_rate = 1340; | 
|  | video_media_info.send_codecs.insert( | 
|  | std::make_pair(outbound_video_codec.payload_type, outbound_video_codec)); | 
|  |  | 
|  | EXPECT_CALL(*video_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true))); | 
|  |  | 
|  | SessionStats session_stats; | 
|  | session_stats.proxy_to_transport["VoiceContentName"] = "TransportName"; | 
|  | session_stats.proxy_to_transport["VideoContentName"] = "TransportName"; | 
|  | session_stats.transport_stats["TransportName"].transport_name = | 
|  | "TransportName"; | 
|  |  | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), voice_channel()) | 
|  | .WillRepeatedly(Return(&voice_channel)); | 
|  | EXPECT_CALL(test_->session(), video_channel()) | 
|  | .WillRepeatedly(Return(&video_channel)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  |  | 
|  | RTCCodecStats expected_inbound_audio_codec( | 
|  | "RTCCodec_InboundAudio_1", report->timestamp_us()); | 
|  | expected_inbound_audio_codec.payload_type = 1; | 
|  | expected_inbound_audio_codec.codec = "audio/opus"; | 
|  | expected_inbound_audio_codec.clock_rate = 1337; | 
|  |  | 
|  | RTCCodecStats expected_outbound_audio_codec( | 
|  | "RTCCodec_OutboundAudio_2", report->timestamp_us()); | 
|  | expected_outbound_audio_codec.payload_type = 2; | 
|  | expected_outbound_audio_codec.codec = "audio/isac"; | 
|  | expected_outbound_audio_codec.clock_rate = 1338; | 
|  |  | 
|  | RTCCodecStats expected_inbound_video_codec( | 
|  | "RTCCodec_InboundVideo_3", report->timestamp_us()); | 
|  | expected_inbound_video_codec.payload_type = 3; | 
|  | expected_inbound_video_codec.codec = "video/H264"; | 
|  | expected_inbound_video_codec.clock_rate = 1339; | 
|  |  | 
|  | RTCCodecStats expected_outbound_video_codec( | 
|  | "RTCCodec_OutboundVideo_4", report->timestamp_us()); | 
|  | expected_outbound_video_codec.payload_type = 4; | 
|  | expected_outbound_video_codec.codec = "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) { | 
|  | std::unique_ptr<CertificateInfo> audio_local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({ "(local) audio" })); | 
|  | audio_local_certinfo = CreateFakeCertificateAndInfoFromDers( | 
|  | audio_local_certinfo->ders); | 
|  | std::unique_ptr<CertificateInfo> audio_remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({ "(remote) audio" })); | 
|  | audio_remote_certinfo = CreateFakeCertificateAndInfoFromDers( | 
|  | audio_remote_certinfo->ders); | 
|  |  | 
|  | std::unique_ptr<CertificateInfo> video_local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({ "(local) video" })); | 
|  | video_local_certinfo = CreateFakeCertificateAndInfoFromDers( | 
|  | video_local_certinfo->ders); | 
|  | std::unique_ptr<CertificateInfo> video_remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({ "(remote) video" })); | 
|  | video_remote_certinfo = CreateFakeCertificateAndInfoFromDers( | 
|  | video_remote_certinfo->ders); | 
|  |  | 
|  | // Mock the session to return the local and remote certificates. | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [this](const ChannelNamePairs&) { | 
|  | std::unique_ptr<SessionStats> stats(new SessionStats()); | 
|  | stats->transport_stats["audio"].transport_name = "audio"; | 
|  | stats->transport_stats["video"].transport_name = "video"; | 
|  | return stats; | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), GetLocalCertificate(_, _)).WillRepeatedly( | 
|  | Invoke([this, &audio_local_certinfo, &video_local_certinfo]( | 
|  | const std::string& transport_name, | 
|  | rtc::scoped_refptr<rtc::RTCCertificate>* certificate) { | 
|  | if (transport_name == "audio") { | 
|  | *certificate = audio_local_certinfo->certificate; | 
|  | return true; | 
|  | } | 
|  | if (transport_name == "video") { | 
|  | *certificate = video_local_certinfo->certificate; | 
|  | return true; | 
|  | } | 
|  | return false; | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), | 
|  | GetRemoteSSLCertificate_ReturnsRawPointer(_)).WillRepeatedly(Invoke( | 
|  | [this, &audio_remote_certinfo, &video_remote_certinfo]( | 
|  | const std::string& transport_name) { | 
|  | if (transport_name == "audio") { | 
|  | return audio_remote_certinfo->certificate->ssl_certificate() | 
|  | .GetReference(); | 
|  | } | 
|  | if (transport_name == "video") { | 
|  | return video_remote_certinfo->certificate->ssl_certificate() | 
|  | .GetReference(); | 
|  | } | 
|  | return static_cast<rtc::SSLCertificate*>(nullptr); | 
|  | })); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = 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) { | 
|  | std::vector<std::string> local_ders; | 
|  | local_ders.push_back("(local) this"); | 
|  | local_ders.push_back("(local) is"); | 
|  | local_ders.push_back("(local) a"); | 
|  | local_ders.push_back("(local) chain"); | 
|  | std::unique_ptr<CertificateInfo> local_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers(local_ders); | 
|  | std::vector<std::string> remote_ders; | 
|  | remote_ders.push_back("(remote) this"); | 
|  | remote_ders.push_back("(remote) is"); | 
|  | remote_ders.push_back("(remote) another"); | 
|  | remote_ders.push_back("(remote) chain"); | 
|  | std::unique_ptr<CertificateInfo> remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers(remote_ders); | 
|  |  | 
|  | // Mock the session to return the local and remote certificates. | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [this](const ChannelNamePairs&) { | 
|  | std::unique_ptr<SessionStats> stats(new SessionStats()); | 
|  | stats->transport_stats["transport"].transport_name = "transport"; | 
|  | return stats; | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), GetLocalCertificate(_, _)).WillRepeatedly( | 
|  | Invoke([this, &local_certinfo](const std::string& transport_name, | 
|  | rtc::scoped_refptr<rtc::RTCCertificate>* certificate) { | 
|  | if (transport_name == "transport") { | 
|  | *certificate = local_certinfo->certificate; | 
|  | return true; | 
|  | } | 
|  | return false; | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), | 
|  | GetRemoteSSLCertificate_ReturnsRawPointer(_)).WillRepeatedly(Invoke( | 
|  | [this, &remote_certinfo](const std::string& transport_name) { | 
|  | if (transport_name == "transport") | 
|  | return remote_certinfo->certificate->ssl_certificate().GetReference(); | 
|  | return static_cast<rtc::SSLCertificate*>(nullptr); | 
|  | })); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  | ExpectReportContainsCertificateInfo(report, *local_certinfo); | 
|  | ExpectReportContainsCertificateInfo(report, *remote_certinfo); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCDataChannelStats) { | 
|  | test_->data_channels().push_back( | 
|  | 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; | 
|  |  | 
|  | test_->data_channels().push_back( | 
|  | 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; | 
|  |  | 
|  | test_->data_channels().push_back( | 
|  | 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; | 
|  |  | 
|  | test_->data_channels().push_back( | 
|  | 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 = 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", | 
|  | 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.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", | 
|  | 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", | 
|  | 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.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", | 
|  | 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); | 
|  |  | 
|  | // Candidates in the second transport stats. | 
|  | std::unique_ptr<cricket::Candidate> b_local = CreateFakeCandidate( | 
|  | "42.42.42.42", 42, | 
|  | "b_local's protocol", | 
|  | 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.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", | 
|  | 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); | 
|  |  | 
|  | SessionStats session_stats; | 
|  |  | 
|  | cricket::TransportChannelStats a_transport_channel_stats; | 
|  | a_transport_channel_stats.connection_infos.push_back( | 
|  | cricket::ConnectionInfo()); | 
|  | a_transport_channel_stats.connection_infos[0].local_candidate = | 
|  | *a_local_host.get(); | 
|  | a_transport_channel_stats.connection_infos[0].remote_candidate = | 
|  | *a_remote_srflx.get(); | 
|  | a_transport_channel_stats.connection_infos.push_back( | 
|  | cricket::ConnectionInfo()); | 
|  | a_transport_channel_stats.connection_infos[1].local_candidate = | 
|  | *a_local_prflx.get(); | 
|  | a_transport_channel_stats.connection_infos[1].remote_candidate = | 
|  | *a_remote_relay.get(); | 
|  | session_stats.transport_stats["a"].transport_name = "a"; | 
|  | session_stats.transport_stats["a"].channel_stats.push_back( | 
|  | a_transport_channel_stats); | 
|  |  | 
|  | cricket::TransportChannelStats b_transport_channel_stats; | 
|  | b_transport_channel_stats.connection_infos.push_back( | 
|  | cricket::ConnectionInfo()); | 
|  | b_transport_channel_stats.connection_infos[0].local_candidate = | 
|  | *b_local.get(); | 
|  | b_transport_channel_stats.connection_infos[0].remote_candidate = | 
|  | *b_remote.get(); | 
|  | session_stats.transport_stats["b"].transport_name = "b"; | 
|  | session_stats.transport_stats["b"].channel_stats.push_back( | 
|  | b_transport_channel_stats); | 
|  |  | 
|  | // Mock the session to return the desired candidates. | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = 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) { | 
|  | std::unique_ptr<cricket::Candidate> local_candidate = CreateFakeCandidate( | 
|  | "42.42.42.42", 42, "protocol", cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> remote_candidate = CreateFakeCandidate( | 
|  | "42.42.42.42", 42, "protocol", cricket::LOCAL_PORT_TYPE, 42); | 
|  |  | 
|  | SessionStats session_stats; | 
|  |  | 
|  | cricket::ConnectionInfo connection_info; | 
|  | 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.rtt = 1337; | 
|  | 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; | 
|  |  | 
|  | cricket::TransportChannelStats transport_channel_stats; | 
|  | transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | transport_channel_stats.connection_infos.push_back(connection_info); | 
|  | session_stats.transport_stats["transport"].transport_name = "transport"; | 
|  | session_stats.transport_stats["transport"].channel_stats.push_back( | 
|  | transport_channel_stats); | 
|  |  | 
|  | // Mock the session to return the desired candidates. | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = 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.writable = true; | 
|  | expected_pair.bytes_sent = 42; | 
|  | expected_pair.bytes_received = 1234; | 
|  | expected_pair.current_round_trip_time = 1.337; | 
|  | 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); | 
|  |  | 
|  | 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.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 = 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()); | 
|  | test_->pc().SignalDataChannelCreated(dummy_channel_a.get()); | 
|  | rtc::scoped_refptr<DataChannel> dummy_channel_b = DataChannel::Create( | 
|  | nullptr, cricket::DCT_NONE, "DummyChannelB", InternalDataChannelInit()); | 
|  | test_->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()); | 
|  |  | 
|  | { | 
|  | collector_->ClearCachedStatsReport(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  | 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()); | 
|  |  | 
|  | { | 
|  | collector_->ClearCachedStatsReport(); | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  | 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>()); | 
|  | } | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, | 
|  | CollectRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Audio) { | 
|  | rtc::scoped_refptr<StreamCollection> local_streams = | 
|  | StreamCollection::Create(); | 
|  | rtc::scoped_refptr<StreamCollection> remote_streams = | 
|  | StreamCollection::Create(); | 
|  | EXPECT_CALL(test_->pc(), local_streams()) | 
|  | .WillRepeatedly(Return(local_streams)); | 
|  | EXPECT_CALL(test_->pc(), remote_streams()) | 
|  | .WillRepeatedly(Return(remote_streams)); | 
|  |  | 
|  | rtc::scoped_refptr<MediaStream> local_stream = | 
|  | MediaStream::Create("LocalStreamLabel"); | 
|  | local_streams->AddStream(local_stream); | 
|  | rtc::scoped_refptr<MediaStream> remote_stream = | 
|  | MediaStream::Create("RemoteStreamLabel"); | 
|  | remote_streams->AddStream(remote_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.audio_level = 32767; | 
|  | voice_sender_info_ssrc1.echo_return_loss = 42; | 
|  | voice_sender_info_ssrc1.echo_return_loss_enhancement = 52; | 
|  |  | 
|  | // Uses default values, the corresponding stats object should contain | 
|  | // undefined members. | 
|  | cricket::VoiceSenderInfo voice_sender_info_ssrc2; | 
|  | voice_sender_info_ssrc2.local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | voice_sender_info_ssrc2.local_stats[0].ssrc = 2; | 
|  | voice_sender_info_ssrc2.audio_level = 0; | 
|  | voice_sender_info_ssrc2.echo_return_loss = -100; | 
|  | voice_sender_info_ssrc2.echo_return_loss_enhancement = -100; | 
|  |  | 
|  | // 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; | 
|  |  | 
|  | test_->CreateMockRtpSendersReceiversAndChannels( | 
|  | { std::make_pair(local_audio_track.get(), voice_sender_info_ssrc1), | 
|  | std::make_pair(local_audio_track.get(), voice_sender_info_ssrc2) }, | 
|  | { std::make_pair(remote_audio_track.get(), voice_receiver_info) }, | 
|  | {}, {}); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  |  | 
|  | RTCMediaStreamStats expected_local_stream( | 
|  | "RTCMediaStream_local_LocalStreamLabel", report->timestamp_us()); | 
|  | expected_local_stream.stream_identifier = local_stream->label(); | 
|  | expected_local_stream.track_ids = std::vector<std::string>( | 
|  | { "RTCMediaStreamTrack_local_audio_LocalAudioTrackID_1", | 
|  | "RTCMediaStreamTrack_local_audio_LocalAudioTrackID_2" }); | 
|  | ASSERT_TRUE(report->Get(expected_local_stream.id())); | 
|  | EXPECT_EQ(expected_local_stream, | 
|  | report->Get(expected_local_stream.id())->cast_to< | 
|  | RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamStats expected_remote_stream( | 
|  | "RTCMediaStream_remote_RemoteStreamLabel", report->timestamp_us()); | 
|  | expected_remote_stream.stream_identifier = remote_stream->label(); | 
|  | expected_remote_stream.track_ids = std::vector<std::string>({ | 
|  | "RTCMediaStreamTrack_remote_audio_RemoteAudioTrackID_3" }); | 
|  | ASSERT_TRUE(report->Get(expected_remote_stream.id())); | 
|  | EXPECT_EQ(expected_remote_stream, | 
|  | report->Get(expected_remote_stream.id())->cast_to< | 
|  | RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_local_audio_track_ssrc1( | 
|  | "RTCMediaStreamTrack_local_audio_LocalAudioTrackID_1", | 
|  | report->timestamp_us(), RTCMediaStreamTrackKind::kAudio); | 
|  | expected_local_audio_track_ssrc1.track_identifier = local_audio_track->id(); | 
|  | 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.audio_level = 1.0; | 
|  | 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())); | 
|  | EXPECT_EQ(expected_local_audio_track_ssrc1, | 
|  | report->Get(expected_local_audio_track_ssrc1.id())->cast_to< | 
|  | RTCMediaStreamTrackStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_local_audio_track_ssrc2( | 
|  | "RTCMediaStreamTrack_local_audio_LocalAudioTrackID_2", | 
|  | report->timestamp_us(), RTCMediaStreamTrackKind::kAudio); | 
|  | expected_local_audio_track_ssrc2.track_identifier = local_audio_track->id(); | 
|  | expected_local_audio_track_ssrc2.remote_source = false; | 
|  | expected_local_audio_track_ssrc2.ended = true; | 
|  | expected_local_audio_track_ssrc2.detached = false; | 
|  | expected_local_audio_track_ssrc2.audio_level = 0.0; | 
|  | // Should be undefined: |expected_local_audio_track_ssrc2.echo_return_loss| | 
|  | // and |expected_local_audio_track_ssrc2.echo_return_loss_enhancement|. | 
|  | ASSERT_TRUE(report->Get(expected_local_audio_track_ssrc2.id())); | 
|  | EXPECT_EQ(expected_local_audio_track_ssrc2, | 
|  | report->Get(expected_local_audio_track_ssrc2.id())->cast_to< | 
|  | RTCMediaStreamTrackStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_remote_audio_track( | 
|  | "RTCMediaStreamTrack_remote_audio_RemoteAudioTrackID_3", | 
|  | report->timestamp_us(), RTCMediaStreamTrackKind::kAudio); | 
|  | expected_remote_audio_track.track_identifier = remote_audio_track->id(); | 
|  | 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; | 
|  | 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, | 
|  | CollectRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Video) { | 
|  | rtc::scoped_refptr<StreamCollection> local_streams = | 
|  | StreamCollection::Create(); | 
|  | rtc::scoped_refptr<StreamCollection> remote_streams = | 
|  | StreamCollection::Create(); | 
|  | EXPECT_CALL(test_->pc(), local_streams()) | 
|  | .WillRepeatedly(Return(local_streams)); | 
|  | EXPECT_CALL(test_->pc(), remote_streams()) | 
|  | .WillRepeatedly(Return(remote_streams)); | 
|  |  | 
|  | rtc::scoped_refptr<MediaStream> local_stream = | 
|  | MediaStream::Create("LocalStreamLabel"); | 
|  | local_streams->AddStream(local_stream); | 
|  | rtc::scoped_refptr<MediaStream> remote_stream = | 
|  | MediaStream::Create("RemoteStreamLabel"); | 
|  | remote_streams->AddStream(remote_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; | 
|  |  | 
|  | cricket::VideoSenderInfo video_sender_info_ssrc2; | 
|  | video_sender_info_ssrc2.local_stats.push_back(cricket::SsrcSenderInfo()); | 
|  | video_sender_info_ssrc2.local_stats[0].ssrc = 2; | 
|  | video_sender_info_ssrc2.send_frame_width = 4321; | 
|  | video_sender_info_ssrc2.send_frame_height = 1234; | 
|  | video_sender_info_ssrc2.frames_encoded = 22; | 
|  |  | 
|  | // 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.frames_received = 2468; | 
|  | video_receiver_info_ssrc3.frames_decoded = 1234; | 
|  |  | 
|  | // Remote video track with undefined (default) values | 
|  | rtc::scoped_refptr<MediaStreamTrackInterface> remote_video_track_ssrc4 = | 
|  | CreateFakeTrack(cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID4", | 
|  | MediaStreamTrackInterface::kLive); | 
|  | remote_stream->AddTrack(static_cast<VideoTrackInterface*>( | 
|  | remote_video_track_ssrc4.get())); | 
|  |  | 
|  | cricket::VideoReceiverInfo video_receiver_info_ssrc4; | 
|  | video_receiver_info_ssrc4.local_stats.push_back(cricket::SsrcReceiverInfo()); | 
|  | video_receiver_info_ssrc4.local_stats[0].ssrc = 4; | 
|  | video_receiver_info_ssrc4.frame_width = 0; | 
|  | video_receiver_info_ssrc4.frame_height = 0; | 
|  | video_receiver_info_ssrc4.frames_received = 0; | 
|  | video_receiver_info_ssrc4.frames_decoded = 0; | 
|  |  | 
|  | test_->CreateMockRtpSendersReceiversAndChannels( | 
|  | {}, {}, | 
|  | { std::make_pair(local_video_track.get(), video_sender_info_ssrc1), | 
|  | std::make_pair(local_video_track.get(), video_sender_info_ssrc2) }, | 
|  | { std::make_pair(remote_video_track_ssrc3.get(), | 
|  | video_receiver_info_ssrc3), | 
|  | std::make_pair(remote_video_track_ssrc4.get(), | 
|  | video_receiver_info_ssrc4) }); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  |  | 
|  | RTCMediaStreamStats expected_local_stream( | 
|  | "RTCMediaStream_local_LocalStreamLabel", report->timestamp_us()); | 
|  | expected_local_stream.stream_identifier = local_stream->label(); | 
|  | expected_local_stream.track_ids = std::vector<std::string>({ | 
|  | "RTCMediaStreamTrack_local_video_LocalVideoTrackID_1", | 
|  | "RTCMediaStreamTrack_local_video_LocalVideoTrackID_2" }); | 
|  | ASSERT_TRUE(report->Get(expected_local_stream.id())); | 
|  | EXPECT_EQ(expected_local_stream, | 
|  | report->Get(expected_local_stream.id())->cast_to< | 
|  | RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamStats expected_remote_stream( | 
|  | "RTCMediaStream_remote_RemoteStreamLabel", report->timestamp_us()); | 
|  | expected_remote_stream.stream_identifier = remote_stream->label(); | 
|  | expected_remote_stream.track_ids = std::vector<std::string>({ | 
|  | "RTCMediaStreamTrack_remote_video_RemoteVideoTrackID3_3", | 
|  | "RTCMediaStreamTrack_remote_video_RemoteVideoTrackID4_4" }); | 
|  | ASSERT_TRUE(report->Get(expected_remote_stream.id())); | 
|  | EXPECT_EQ(expected_remote_stream, | 
|  | report->Get(expected_remote_stream.id())->cast_to< | 
|  | RTCMediaStreamStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_local_video_track_ssrc1( | 
|  | "RTCMediaStreamTrack_local_video_LocalVideoTrackID_1", | 
|  | report->timestamp_us(), RTCMediaStreamTrackKind::kVideo); | 
|  | expected_local_video_track_ssrc1.track_identifier = local_video_track->id(); | 
|  | 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; | 
|  | 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>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_local_video_track_ssrc2( | 
|  | "RTCMediaStreamTrack_local_video_LocalVideoTrackID_2", | 
|  | report->timestamp_us(), RTCMediaStreamTrackKind::kVideo); | 
|  | expected_local_video_track_ssrc2.track_identifier = local_video_track->id(); | 
|  | expected_local_video_track_ssrc2.remote_source = false; | 
|  | expected_local_video_track_ssrc2.ended = false; | 
|  | expected_local_video_track_ssrc2.detached = false; | 
|  | expected_local_video_track_ssrc2.frame_width = 4321; | 
|  | expected_local_video_track_ssrc2.frame_height = 1234; | 
|  | expected_local_video_track_ssrc2.frames_sent = 22; | 
|  | ASSERT_TRUE(report->Get(expected_local_video_track_ssrc2.id())); | 
|  | EXPECT_EQ(expected_local_video_track_ssrc2, | 
|  | report->Get(expected_local_video_track_ssrc2.id())->cast_to< | 
|  | RTCMediaStreamTrackStats>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_remote_video_track_ssrc3( | 
|  | "RTCMediaStreamTrack_remote_video_RemoteVideoTrackID3_3", | 
|  | report->timestamp_us(), RTCMediaStreamTrackKind::kVideo); | 
|  | expected_remote_video_track_ssrc3.track_identifier = | 
|  | remote_video_track_ssrc3->id(); | 
|  | 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.frames_received = 2468; | 
|  | expected_remote_video_track_ssrc3.frames_decoded = 1234; | 
|  | 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>()); | 
|  |  | 
|  | RTCMediaStreamTrackStats expected_remote_video_track_ssrc4( | 
|  | "RTCMediaStreamTrack_remote_video_RemoteVideoTrackID4_4", | 
|  | report->timestamp_us(), RTCMediaStreamTrackKind::kVideo); | 
|  | expected_remote_video_track_ssrc4.track_identifier = | 
|  | remote_video_track_ssrc4->id(); | 
|  | expected_remote_video_track_ssrc4.remote_source = true; | 
|  | expected_remote_video_track_ssrc4.ended = false; | 
|  | expected_remote_video_track_ssrc4.detached = false; | 
|  | expected_remote_video_track_ssrc4.frames_received = 0; | 
|  | expected_remote_video_track_ssrc4.frames_decoded = 0; | 
|  | // Should be undefined: |expected_remote_video_track_ssrc4.frame_width| and | 
|  | // |expected_remote_video_track_ssrc4.frame_height|. | 
|  | ASSERT_TRUE(report->Get(expected_remote_video_track_ssrc4.id())); | 
|  | EXPECT_EQ(expected_remote_video_track_ssrc4, | 
|  | report->Get(expected_remote_video_track_ssrc4.id())->cast_to< | 
|  | RTCMediaStreamTrackStats>()); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Audio) { | 
|  | MockVoiceMediaChannel* voice_media_channel = new MockVoiceMediaChannel(); | 
|  | cricket::VoiceChannel voice_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), test_->media_engine(), voice_media_channel, | 
|  | "VoiceContentName", kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  |  | 
|  | test_->SetupRemoteTrackAndReceiver( | 
|  | cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", 1); | 
|  |  | 
|  | 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 = 42; | 
|  | voice_media_info.receivers[0].packets_rcvd = 2; | 
|  | voice_media_info.receivers[0].bytes_rcvd = 3; | 
|  | voice_media_info.receivers[0].codec_payload_type = rtc::Optional<int>(42); | 
|  | voice_media_info.receivers[0].jitter_ms = 4500; | 
|  | voice_media_info.receivers[0].fraction_lost = 5.5f; | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.mime_type = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | voice_media_info.receive_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | EXPECT_CALL(*voice_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(voice_media_info), Return(true))); | 
|  |  | 
|  | SessionStats session_stats; | 
|  | session_stats.proxy_to_transport["VoiceContentName"] = "TransportName"; | 
|  | session_stats.transport_stats["TransportName"].transport_name = | 
|  | "TransportName"; | 
|  |  | 
|  | // Make sure the associated |RTCTransportStats| is created. | 
|  | cricket::TransportChannelStats channel_stats; | 
|  | channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | session_stats.transport_stats["TransportName"].channel_stats.push_back( | 
|  | channel_stats); | 
|  |  | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), voice_channel()) | 
|  | .WillRepeatedly(Return(&voice_channel)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  |  | 
|  | RTCInboundRTPStreamStats expected_audio( | 
|  | "RTCInboundRTPAudioStream_1", report->timestamp_us()); | 
|  | expected_audio.ssrc = "1"; | 
|  | expected_audio.is_remote = false; | 
|  | expected_audio.media_type = "audio"; | 
|  | expected_audio.media_track_id = | 
|  | "RTCMediaStreamTrack_remote_audio_RemoteAudioTrackID_1"; | 
|  | expected_audio.transport_id = "RTCTransport_TransportName_" + | 
|  | rtc::ToString<>(cricket::ICE_CANDIDATE_COMPONENT_RTP); | 
|  | expected_audio.codec_id = "RTCCodec_InboundAudio_42"; | 
|  | expected_audio.packets_received = 2; | 
|  | expected_audio.bytes_received = 3; | 
|  | expected_audio.packets_lost = 42; | 
|  | expected_audio.jitter = 4.5; | 
|  | expected_audio.fraction_lost = 5.5; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | const RTCInboundRTPStreamStats& audio = report->Get( | 
|  | expected_audio.id())->cast_to<RTCInboundRTPStreamStats>(); | 
|  | EXPECT_EQ(audio, expected_audio); | 
|  |  | 
|  | EXPECT_TRUE(report->Get(*expected_audio.media_track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Video) { | 
|  | MockVideoMediaChannel* video_media_channel = new MockVideoMediaChannel(); | 
|  | cricket::VideoChannel video_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), video_media_channel, "VideoContentName", | 
|  | kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  |  | 
|  | test_->SetupRemoteTrackAndReceiver( | 
|  | cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", 1); | 
|  |  | 
|  | 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].bytes_rcvd = 3; | 
|  | video_media_info.receivers[0].fraction_lost = 4.5f; | 
|  | video_media_info.receivers[0].codec_payload_type = rtc::Optional<int>(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; | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.mime_type = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | video_media_info.receive_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | EXPECT_CALL(*video_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true))); | 
|  |  | 
|  | SessionStats session_stats; | 
|  | session_stats.proxy_to_transport["VideoContentName"] = "TransportName"; | 
|  | session_stats.transport_stats["TransportName"].transport_name = | 
|  | "TransportName"; | 
|  |  | 
|  | // Make sure the associated |RTCTransportStats| is created. | 
|  | cricket::TransportChannelStats channel_stats; | 
|  | channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | session_stats.transport_stats["TransportName"].channel_stats.push_back( | 
|  | channel_stats); | 
|  |  | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), video_channel()) | 
|  | .WillRepeatedly(Return(&video_channel)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = 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.media_track_id = | 
|  | "RTCMediaStreamTrack_remote_video_RemoteVideoTrackID_1"; | 
|  | expected_video.transport_id = "RTCTransport_TransportName_" + | 
|  | rtc::ToString<>(cricket::ICE_CANDIDATE_COMPONENT_RTP); | 
|  | expected_video.codec_id = "RTCCodec_InboundVideo_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.packets_lost = 42; | 
|  | expected_video.fraction_lost = 4.5; | 
|  | expected_video.frames_decoded = 8; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  | const RTCInboundRTPStreamStats& video = report->Get( | 
|  | expected_video.id())->cast_to<RTCInboundRTPStreamStats>(); | 
|  | EXPECT_EQ(video, expected_video); | 
|  |  | 
|  | EXPECT_TRUE(report->Get(*expected_video.media_track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_video.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*video.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Audio) { | 
|  | MockVoiceMediaChannel* voice_media_channel = new MockVoiceMediaChannel(); | 
|  | cricket::VoiceChannel voice_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), test_->media_engine(), voice_media_channel, | 
|  | "VoiceContentName", kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  |  | 
|  | test_->SetupLocalTrackAndSender( | 
|  | cricket::MEDIA_TYPE_AUDIO, "LocalAudioTrackID", 1); | 
|  |  | 
|  | 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].bytes_sent = 3; | 
|  | voice_media_info.senders[0].rtt_ms = 4500; | 
|  | voice_media_info.senders[0].codec_payload_type = rtc::Optional<int>(42); | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.mime_type = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | voice_media_info.send_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | EXPECT_CALL(*voice_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(voice_media_info), Return(true))); | 
|  |  | 
|  | SessionStats session_stats; | 
|  | session_stats.proxy_to_transport["VoiceContentName"] = "TransportName"; | 
|  | session_stats.transport_stats["TransportName"].transport_name = | 
|  | "TransportName"; | 
|  |  | 
|  | // Make sure the associated |RTCTransportStats| is created. | 
|  | cricket::TransportChannelStats channel_stats; | 
|  | channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | session_stats.transport_stats["TransportName"].channel_stats.push_back( | 
|  | channel_stats); | 
|  |  | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), voice_channel()) | 
|  | .WillRepeatedly(Return(&voice_channel)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  |  | 
|  | RTCOutboundRTPStreamStats expected_audio( | 
|  | "RTCOutboundRTPAudioStream_1", report->timestamp_us()); | 
|  | expected_audio.ssrc = "1"; | 
|  | expected_audio.is_remote = false; | 
|  | expected_audio.media_type = "audio"; | 
|  | expected_audio.media_track_id = | 
|  | "RTCMediaStreamTrack_local_audio_LocalAudioTrackID_1"; | 
|  | expected_audio.transport_id = "RTCTransport_TransportName_" + | 
|  | rtc::ToString<>(cricket::ICE_CANDIDATE_COMPONENT_RTP); | 
|  | expected_audio.codec_id = "RTCCodec_OutboundAudio_42"; | 
|  | expected_audio.packets_sent = 2; | 
|  | expected_audio.bytes_sent = 3; | 
|  | expected_audio.round_trip_time = 4.5; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | const RTCOutboundRTPStreamStats& audio = report->Get( | 
|  | expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(); | 
|  | EXPECT_EQ(audio, expected_audio); | 
|  |  | 
|  | EXPECT_TRUE(report->Get(*expected_audio.media_track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_audio.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Video) { | 
|  | MockVideoMediaChannel* video_media_channel = new MockVideoMediaChannel(); | 
|  | cricket::VideoChannel video_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), video_media_channel, "VideoContentName", | 
|  | kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  |  | 
|  | test_->SetupLocalTrackAndSender( | 
|  | cricket::MEDIA_TYPE_VIDEO, "LocalVideoTrackID", 1); | 
|  |  | 
|  | 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].bytes_sent = 6; | 
|  | video_media_info.senders[0].rtt_ms = 7500; | 
|  | video_media_info.senders[0].codec_payload_type = rtc::Optional<int>(42); | 
|  | video_media_info.senders[0].frames_encoded = 8; | 
|  | video_media_info.senders[0].qp_sum = rtc::Optional<uint64_t>(16); | 
|  |  | 
|  | RtpCodecParameters codec_parameters; | 
|  | codec_parameters.payload_type = 42; | 
|  | codec_parameters.mime_type = "dummy"; | 
|  | codec_parameters.clock_rate = 0; | 
|  | video_media_info.send_codecs.insert( | 
|  | std::make_pair(codec_parameters.payload_type, codec_parameters)); | 
|  |  | 
|  | EXPECT_CALL(*video_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true))); | 
|  |  | 
|  | SessionStats session_stats; | 
|  | session_stats.proxy_to_transport["VideoContentName"] = "TransportName"; | 
|  | session_stats.transport_stats["TransportName"].transport_name = | 
|  | "TransportName"; | 
|  |  | 
|  | // Make sure the associated |RTCTransportStats| is created. | 
|  | cricket::TransportChannelStats channel_stats; | 
|  | channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | session_stats.transport_stats["TransportName"].channel_stats.push_back( | 
|  | channel_stats); | 
|  |  | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), video_channel()) | 
|  | .WillRepeatedly(Return(&video_channel)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  |  | 
|  | RTCOutboundRTPStreamStats expected_video( | 
|  | "RTCOutboundRTPVideoStream_1", report->timestamp_us()); | 
|  | expected_video.ssrc = "1"; | 
|  | expected_video.is_remote = false; | 
|  | expected_video.media_type = "video"; | 
|  | expected_video.media_track_id = | 
|  | "RTCMediaStreamTrack_local_video_LocalVideoTrackID_1"; | 
|  | expected_video.transport_id = "RTCTransport_TransportName_" + | 
|  | rtc::ToString<>(cricket::ICE_CANDIDATE_COMPONENT_RTP); | 
|  | expected_video.codec_id = "RTCCodec_OutboundVideo_42"; | 
|  | expected_video.fir_count = 2; | 
|  | expected_video.pli_count = 3; | 
|  | expected_video.nack_count = 4; | 
|  | expected_video.packets_sent = 5; | 
|  | expected_video.bytes_sent = 6; | 
|  | expected_video.round_trip_time = 7.5; | 
|  | expected_video.frames_encoded = 8; | 
|  | expected_video.qp_sum = 16; | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  | const RTCOutboundRTPStreamStats& video = report->Get( | 
|  | expected_video.id())->cast_to<RTCOutboundRTPStreamStats>(); | 
|  | EXPECT_EQ(video, expected_video); | 
|  |  | 
|  | EXPECT_TRUE(report->Get(*expected_video.media_track_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_video.transport_id)); | 
|  | EXPECT_TRUE(report->Get(*expected_video.codec_id)); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Default) { | 
|  | MockVoiceMediaChannel* voice_media_channel = new MockVoiceMediaChannel(); | 
|  | cricket::VoiceChannel voice_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), test_->media_engine(), voice_media_channel, | 
|  | "VoiceContentName", kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  | MockVideoMediaChannel* video_media_channel = new MockVideoMediaChannel(); | 
|  | cricket::VideoChannel video_channel( | 
|  | test_->worker_thread(), test_->network_thread(), | 
|  | test_->signaling_thread(), video_media_channel, "VideoContentName", | 
|  | kDefaultRtcpMuxRequired, kDefaultSrtpRequired); | 
|  |  | 
|  | 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].bytes_sent = 3; | 
|  | voice_media_info.senders[0].rtt_ms = -1; | 
|  | voice_media_info.senders[0].codec_payload_type = rtc::Optional<int>(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 = 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].bytes_sent = 6; | 
|  | video_media_info.senders[0].rtt_ms = -1; | 
|  | video_media_info.senders[0].codec_payload_type = rtc::Optional<int>(42); | 
|  | video_media_info.senders[0].frames_encoded = 7; | 
|  |  | 
|  | EXPECT_CALL(*voice_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(voice_media_info), Return(true))); | 
|  | EXPECT_CALL(*video_media_channel, GetStats(_)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(video_media_info), Return(true))); | 
|  |  | 
|  | SessionStats session_stats; | 
|  | session_stats.proxy_to_transport["VoiceContentName"] = "TransportName"; | 
|  | session_stats.proxy_to_transport["VideoContentName"] = "TransportName"; | 
|  | session_stats.transport_stats["TransportName"].transport_name = | 
|  | "TransportName"; | 
|  |  | 
|  | // Make sure the associated |RTCTransportStats| is created. | 
|  | cricket::TransportChannelStats channel_stats; | 
|  | channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP; | 
|  | session_stats.transport_stats["TransportName"].channel_stats.push_back( | 
|  | channel_stats); | 
|  |  | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), voice_channel()) | 
|  | .WillRepeatedly(Return(&voice_channel)); | 
|  | EXPECT_CALL(test_->session(), video_channel()) | 
|  | .WillRepeatedly(Return(&video_channel)); | 
|  |  | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = GetStatsReport(); | 
|  |  | 
|  | RTCOutboundRTPStreamStats expected_audio( | 
|  | "RTCOutboundRTPAudioStream_1", report->timestamp_us()); | 
|  | expected_audio.ssrc = "1"; | 
|  | expected_audio.is_remote = false; | 
|  | expected_audio.media_type = "audio"; | 
|  | expected_audio.transport_id = "RTCTransport_TransportName_" + | 
|  | rtc::ToString<>(cricket::ICE_CANDIDATE_COMPONENT_RTP); | 
|  | expected_audio.codec_id = "RTCCodec_OutboundAudio_42"; | 
|  | expected_audio.packets_sent = 2; | 
|  | expected_audio.bytes_sent = 3; | 
|  | // |expected_audio.round_trip_time| should be undefined. | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_audio.id())); | 
|  | const RTCOutboundRTPStreamStats& audio = report->Get( | 
|  | expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(); | 
|  | EXPECT_EQ(audio, expected_audio); | 
|  |  | 
|  | RTCOutboundRTPStreamStats expected_video( | 
|  | "RTCOutboundRTPVideoStream_1", report->timestamp_us()); | 
|  | expected_video.ssrc = "1"; | 
|  | expected_video.is_remote = false; | 
|  | expected_video.media_type = "video"; | 
|  | expected_video.transport_id = "RTCTransport_TransportName_" + | 
|  | rtc::ToString<>(cricket::ICE_CANDIDATE_COMPONENT_RTP); | 
|  | expected_video.codec_id = "RTCCodec_OutboundVideo_42"; | 
|  | expected_video.fir_count = 2; | 
|  | expected_video.pli_count = 3; | 
|  | expected_video.nack_count = 4; | 
|  | expected_video.packets_sent = 5; | 
|  | expected_video.bytes_sent = 6; | 
|  | expected_video.frames_encoded = 7; | 
|  | // |expected_video.round_trip_time| should be undefined. | 
|  | // |expected_video.qp_sum| should be undefined. | 
|  |  | 
|  | ASSERT_TRUE(report->Get(expected_video.id())); | 
|  | const RTCOutboundRTPStreamStats& video = report->Get( | 
|  | expected_video.id())->cast_to<RTCOutboundRTPStreamStats>(); | 
|  | EXPECT_EQ(video, expected_video); | 
|  | } | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTest, CollectRTCTransportStats) { | 
|  | std::unique_ptr<cricket::Candidate> rtp_local_candidate = CreateFakeCandidate( | 
|  | "42.42.42.42", 42, "protocol", cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> rtp_remote_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> rtcp_local_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  | std::unique_ptr<cricket::Candidate> rtcp_remote_candidate = | 
|  | CreateFakeCandidate("42.42.42.42", 42, "protocol", | 
|  | cricket::LOCAL_PORT_TYPE, 42); | 
|  |  | 
|  | SessionStats session_stats; | 
|  | session_stats.transport_stats["transport"].transport_name = "transport"; | 
|  |  | 
|  | 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.connection_infos.push_back(rtp_connection_info); | 
|  | rtp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_NEW; | 
|  | session_stats.transport_stats["transport"].channel_stats.push_back( | 
|  | rtp_transport_channel_stats); | 
|  |  | 
|  |  | 
|  | // Mock the session to return the desired candidates. | 
|  | EXPECT_CALL(test_->session(), GetStats(_)).WillRepeatedly(Invoke( | 
|  | [&session_stats](const ChannelNamePairs&) { | 
|  | return std::unique_ptr<SessionStats>(new SessionStats(session_stats)); | 
|  | })); | 
|  |  | 
|  | // Get stats without RTCP, an active connection or certificates. | 
|  | rtc::scoped_refptr<const RTCStatsReport> report = 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; | 
|  |  | 
|  | 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.connection_infos.push_back(rtcp_connection_info); | 
|  | rtcp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_CONNECTING; | 
|  | session_stats.transport_stats["transport"].channel_stats.push_back( | 
|  | rtcp_transport_channel_stats); | 
|  |  | 
|  | collector_->ClearCachedStatsReport(); | 
|  | // Get stats with RTCP and without an active connection or certificates. | 
|  | report = GetStatsReport(); | 
|  |  | 
|  | 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_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). | 
|  | session_stats.transport_stats["transport"] | 
|  | .channel_stats[1] | 
|  | .connection_infos[0] | 
|  | .best_connection = true; | 
|  |  | 
|  | collector_->ClearCachedStatsReport(); | 
|  | report = GetStatsReport(); | 
|  |  | 
|  | 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( | 
|  | std::vector<std::string>({ "(local) local", "(local) chain" })); | 
|  | std::unique_ptr<CertificateInfo> remote_certinfo = | 
|  | CreateFakeCertificateAndInfoFromDers( | 
|  | std::vector<std::string>({ "(remote) local", "(remote) chain" })); | 
|  | EXPECT_CALL(test_->session(), GetLocalCertificate(_, _)).WillRepeatedly( | 
|  | Invoke([this, &local_certinfo](const std::string& transport_name, | 
|  | rtc::scoped_refptr<rtc::RTCCertificate>* certificate) { | 
|  | if (transport_name == "transport") { | 
|  | *certificate = local_certinfo->certificate; | 
|  | return true; | 
|  | } | 
|  | return false; | 
|  | })); | 
|  | EXPECT_CALL(test_->session(), | 
|  | GetRemoteSSLCertificate_ReturnsRawPointer(_)).WillRepeatedly(Invoke( | 
|  | [this, &remote_certinfo](const std::string& transport_name) { | 
|  | if (transport_name == "transport") | 
|  | return remote_certinfo->certificate->ssl_certificate().GetReference(); | 
|  | return static_cast<rtc::SSLCertificate*>(nullptr); | 
|  | })); | 
|  |  | 
|  | collector_->ClearCachedStatsReport(); | 
|  | report = GetStatsReport(); | 
|  |  | 
|  | 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>()); | 
|  | } | 
|  |  | 
|  | class RTCStatsCollectorTestWithFakeCollector : public testing::Test { | 
|  | public: | 
|  | RTCStatsCollectorTestWithFakeCollector() | 
|  | : test_(new rtc::RefCountedObject<RTCStatsCollectorTestHelper>()), | 
|  | collector_(FakeRTCStatsCollector::Create( | 
|  | &test_->pc(), 50 * rtc::kNumMicrosecsPerMillisec)) { | 
|  | } | 
|  |  | 
|  | protected: | 
|  | rtc::scoped_refptr<RTCStatsCollectorTestHelper> test_; | 
|  | rtc::scoped_refptr<FakeRTCStatsCollector> collector_; | 
|  | }; | 
|  |  | 
|  | TEST_F(RTCStatsCollectorTestWithFakeCollector, ThreadUsageAndResultsMerging) { | 
|  | collector_->VerifyThreadUsageAndResultsMerging(); | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | }  // namespace webrtc |