/* * Copyright 2014 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #include "pc/legacy_stats_collector.h" #include #include #include "absl/algorithm/container.h" #include "absl/types/optional.h" #include "api/audio_codecs/audio_encoder.h" #include "api/candidate.h" #include "api/data_channel_interface.h" #include "api/media_stream_track.h" #include "api/media_types.h" #include "api/rtp_sender_interface.h" #include "api/scoped_refptr.h" #include "call/call.h" #include "media/base/media_channel.h" #include "modules/audio_processing/include/audio_processing_statistics.h" #include "p2p/base/ice_transport_internal.h" #include "pc/media_stream.h" #include "pc/rtp_receiver.h" #include "pc/rtp_sender.h" #include "pc/sctp_data_channel.h" #include "pc/test/fake_peer_connection_for_stats.h" #include "pc/test/fake_video_track_source.h" #include "pc/test/mock_rtp_receiver_internal.h" #include "pc/test/mock_rtp_sender_internal.h" #include "pc/transport_stats.h" #include "pc/video_track.h" #include "rtc_base/fake_ssl_identity.h" #include "rtc_base/message_digest.h" #include "rtc_base/net_helper.h" #include "rtc_base/rtc_certificate.h" #include "rtc_base/socket_address.h" #include "rtc_base/ssl_identity.h" #include "rtc_base/ssl_stream_adapter.h" #include "rtc_base/string_encode.h" #include "rtc_base/third_party/base64/base64.h" #include "rtc_base/thread.h" #include "test/gmock.h" #include "test/gtest.h" using cricket::ConnectionInfo; using cricket::SsrcReceiverInfo; using cricket::TransportChannelStats; using cricket::VideoMediaInfo; using cricket::VideoReceiverInfo; using cricket::VideoSenderInfo; using cricket::VoiceMediaInfo; using cricket::VoiceReceiverInfo; using cricket::VoiceSenderInfo; using ::testing::_; using ::testing::AtMost; using ::testing::Return; using ::testing::UnorderedElementsAre; namespace webrtc { namespace internal { // This value comes from openssl/tls1.h static const int TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014; } // namespace internal // Error return values const char kNotFound[] = "NOT FOUND"; // Constant names for track identification. const char kLocalTrackId[] = "local_track_id"; const char kRemoteTrackId[] = "remote_track_id"; const uint32_t kSsrcOfTrack = 1234; class FakeAudioProcessor : public AudioProcessorInterface { public: FakeAudioProcessor() {} ~FakeAudioProcessor() {} private: AudioProcessorInterface::AudioProcessorStatistics GetStats( bool has_recv_streams) override { AudioProcessorStatistics stats; if (has_recv_streams) { stats.apm_statistics.echo_return_loss = 2.0; stats.apm_statistics.echo_return_loss_enhancement = 3.0; stats.apm_statistics.delay_median_ms = 4; stats.apm_statistics.delay_standard_deviation_ms = 5; } return stats; } }; class FakeAudioTrack : public MediaStreamTrack { public: explicit FakeAudioTrack(const std::string& id) : MediaStreamTrack(id), processor_(rtc::make_ref_counted()) {} std::string kind() const override { return "audio"; } AudioSourceInterface* GetSource() const override { return NULL; } void AddSink(AudioTrackSinkInterface* sink) override {} void RemoveSink(AudioTrackSinkInterface* sink) override {} bool GetSignalLevel(int* level) override { *level = 1; return true; } rtc::scoped_refptr GetAudioProcessor() override { return processor_; } private: rtc::scoped_refptr processor_; }; // This fake audio processor is used to verify that the undesired initial values // (-1) will be filtered out. class FakeAudioProcessorWithInitValue : public AudioProcessorInterface { public: FakeAudioProcessorWithInitValue() {} ~FakeAudioProcessorWithInitValue() {} private: AudioProcessorInterface::AudioProcessorStatistics GetStats( bool /*has_recv_streams*/) override { AudioProcessorStatistics stats; return stats; } }; class FakeAudioTrackWithInitValue : public MediaStreamTrack { public: explicit FakeAudioTrackWithInitValue(const std::string& id) : MediaStreamTrack(id), processor_(rtc::make_ref_counted()) {} std::string kind() const override { return "audio"; } AudioSourceInterface* GetSource() const override { return NULL; } void AddSink(AudioTrackSinkInterface* sink) override {} void RemoveSink(AudioTrackSinkInterface* sink) override {} bool GetSignalLevel(int* level) override { *level = 1; return true; } rtc::scoped_refptr GetAudioProcessor() override { return processor_; } private: rtc::scoped_refptr processor_; }; bool GetValue(const StatsReport* report, StatsReport::StatsValueName name, std::string* value) { const StatsReport::Value* v = report->FindValue(name); if (!v) return false; *value = v->ToString(); return true; } std::string ExtractStatsValue(const StatsReport::StatsType& type, const StatsReports& reports, StatsReport::StatsValueName name) { for (const auto* r : reports) { std::string ret; if (r->type() == type && GetValue(r, name, &ret)) return ret; } return kNotFound; } StatsReport::Id TypedIdFromIdString(StatsReport::StatsType type, const std::string& value) { EXPECT_FALSE(value.empty()); StatsReport::Id id; if (value.empty()) return id; // This has assumptions about how the ID is constructed. As is, this is // OK since this is for testing purposes only, but if we ever need this // in production, we should add a generic method that does this. size_t index = value.find('_'); EXPECT_NE(index, std::string::npos); if (index == std::string::npos || index == (value.length() - 1)) return id; id = StatsReport::NewTypedId(type, value.substr(index + 1)); EXPECT_EQ(id->ToString(), value); return id; } StatsReport::Id IdFromCertIdString(const std::string& cert_id) { return TypedIdFromIdString(StatsReport::kStatsReportTypeCertificate, cert_id); } // Finds the `n`-th report of type `type` in `reports`. // `n` starts from 1 for finding the first report. const StatsReport* FindNthReportByType(const StatsReports& reports, const StatsReport::StatsType& type, int n) { for (size_t i = 0; i < reports.size(); ++i) { if (reports[i]->type() == type) { n--; if (n == 0) return reports[i]; } } return nullptr; } // Returns the value of the stat identified by `name` in the `n`-th report of // type `type` in `reports`. // `n` starts from 1 for finding the first report. // If either the `n`-th report is not found, or the stat is not present in that // report, then nullopt is returned. absl::optional GetValueInNthReportByType( const StatsReports& reports, StatsReport::StatsType type, StatsReport::StatsValueName name, int n) { const StatsReport* report = FindNthReportByType(reports, type, n); if (!report) { return absl::nullopt; } std::string value; if (!GetValue(report, name, &value)) { return absl::nullopt; } return value; } std::vector GetReportsByType(const StatsReports& reports, StatsReport::StatsType type) { std::vector filtered_reports; for (const StatsReport* report : reports) { if (report->type() == type) { filtered_reports.push_back(report); } } return filtered_reports; } const StatsReport* FindReportById(const StatsReports& reports, const StatsReport::Id& id) { for (const auto* r : reports) { if (r->id()->Equals(id)) return r; } return nullptr; } std::string ExtractSsrcStatsValue(const StatsReports& reports, StatsReport::StatsValueName name) { return ExtractStatsValue(StatsReport::kStatsReportTypeSsrc, reports, name); } std::string ExtractBweStatsValue(const StatsReports& reports, StatsReport::StatsValueName name) { return ExtractStatsValue(StatsReport::kStatsReportTypeBwe, reports, name); } std::string DerToPem(const std::string& der) { return rtc::SSLIdentity::DerToPem( rtc::kPemTypeCertificate, reinterpret_cast(der.c_str()), der.length()); } std::vector DersToPems(const std::vector& ders) { std::vector pems(ders.size()); absl::c_transform(ders, pems.begin(), DerToPem); return pems; } void CheckCertChainReports(const StatsReports& reports, const std::vector& ders, const StatsReport::Id& start_id) { StatsReport::Id cert_id; const StatsReport::Id* certificate_id = &start_id; size_t i = 0; while (true) { const StatsReport* report = FindReportById(reports, *certificate_id); ASSERT_TRUE(report != NULL); std::string der_base64; EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDer, &der_base64)); std::string der = rtc::Base64::Decode(der_base64, rtc::Base64::DO_STRICT); EXPECT_EQ(ders[i], der); std::string fingerprint_algorithm; EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameFingerprintAlgorithm, &fingerprint_algorithm)); // The digest algorithm for a FakeSSLCertificate is always SHA-1. std::string sha_1_str = rtc::DIGEST_SHA_1; EXPECT_EQ(sha_1_str, fingerprint_algorithm); std::string fingerprint; EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameFingerprint, &fingerprint)); EXPECT_FALSE(fingerprint.empty()); ++i; std::string issuer_id; if (!GetValue(report, StatsReport::kStatsValueNameIssuerId, &issuer_id)) { break; } cert_id = IdFromCertIdString(issuer_id); certificate_id = &cert_id; } EXPECT_EQ(ders.size(), i); } void VerifyVoiceReceiverInfoReport(const StatsReport* report, const cricket::VoiceReceiverInfo& info) { std::string value_in_report; EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAudioOutputLevel, &value_in_report)); EXPECT_EQ(rtc::ToString(info.audio_level), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameBytesReceived, &value_in_report)); EXPECT_EQ(rtc::ToString(info.payload_bytes_rcvd + info.header_and_padding_bytes_rcvd), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameJitterReceived, &value_in_report)); EXPECT_EQ(rtc::ToString(info.jitter_ms), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameJitterBufferMs, &value_in_report)); EXPECT_EQ(rtc::ToString(info.jitter_buffer_ms), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNamePreferredJitterBufferMs, &value_in_report)); EXPECT_EQ(rtc::ToString(info.jitter_buffer_preferred_ms), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameCurrentDelayMs, &value_in_report)); EXPECT_EQ(rtc::ToString(info.delay_estimate_ms), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameExpandRate, &value_in_report)); EXPECT_EQ(rtc::ToString(info.expand_rate), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameSpeechExpandRate, &value_in_report)); EXPECT_EQ(rtc::ToString(info.speech_expand_rate), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAccelerateRate, &value_in_report)); EXPECT_EQ(rtc::ToString(info.accelerate_rate), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNamePreemptiveExpandRate, &value_in_report)); EXPECT_EQ(rtc::ToString(info.preemptive_expand_rate), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameSecondaryDecodedRate, &value_in_report)); EXPECT_EQ(rtc::ToString(info.secondary_decoded_rate), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameSecondaryDiscardedRate, &value_in_report)); EXPECT_EQ(rtc::ToString(info.secondary_discarded_rate), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNamePacketsReceived, &value_in_report)); EXPECT_EQ(rtc::ToString(info.packets_rcvd), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingCTSG, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_calls_to_silence_generator), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingCTN, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_calls_to_neteq), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingNormal, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_normal), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingPLC, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_plc), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingCodecPLC, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_codec_plc), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingCNG, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_cng), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingPLCCNG, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_plc_cng), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameDecodingMutedOutput, &value_in_report)); EXPECT_EQ(rtc::ToString(info.decoding_muted_output), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameCodecName, &value_in_report)); } void VerifyVoiceSenderInfoReport(const StatsReport* report, const cricket::VoiceSenderInfo& sinfo) { std::string value_in_report; EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameCodecName, &value_in_report)); EXPECT_EQ(sinfo.codec_name, value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameBytesSent, &value_in_report)); EXPECT_EQ(rtc::ToString(sinfo.payload_bytes_sent + sinfo.header_and_padding_bytes_sent), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNamePacketsSent, &value_in_report)); EXPECT_EQ(rtc::ToString(sinfo.packets_sent), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNamePacketsLost, &value_in_report)); EXPECT_EQ(rtc::ToString(sinfo.packets_lost), value_in_report); EXPECT_TRUE( GetValue(report, StatsReport::kStatsValueNameRtt, &value_in_report)); EXPECT_EQ(rtc::ToString(sinfo.rtt_ms), value_in_report); EXPECT_TRUE( GetValue(report, StatsReport::kStatsValueNameRtt, &value_in_report)); EXPECT_EQ(rtc::ToString(sinfo.rtt_ms), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameJitterReceived, &value_in_report)); EXPECT_EQ(rtc::ToString(sinfo.jitter_ms), value_in_report); if (sinfo.apm_statistics.delay_median_ms) { EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameEchoDelayMedian, &value_in_report)); EXPECT_EQ(rtc::ToString(*sinfo.apm_statistics.delay_median_ms), value_in_report); } else { EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoDelayMedian, &value_in_report)); } if (sinfo.apm_statistics.delay_standard_deviation_ms) { EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameEchoDelayStdDev, &value_in_report)); EXPECT_EQ(rtc::ToString(*sinfo.apm_statistics.delay_standard_deviation_ms), value_in_report); } else { EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoDelayStdDev, &value_in_report)); } if (sinfo.apm_statistics.echo_return_loss) { EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameEchoReturnLoss, &value_in_report)); EXPECT_EQ(rtc::ToString(*sinfo.apm_statistics.echo_return_loss), value_in_report); } else { EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoReturnLoss, &value_in_report)); } if (sinfo.apm_statistics.echo_return_loss_enhancement) { EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameEchoReturnLossEnhancement, &value_in_report)); EXPECT_EQ(rtc::ToString(*sinfo.apm_statistics.echo_return_loss_enhancement), value_in_report); } else { EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoReturnLossEnhancement, &value_in_report)); } if (sinfo.apm_statistics.residual_echo_likelihood) { EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameResidualEchoLikelihood, &value_in_report)); EXPECT_EQ(rtc::ToString(*sinfo.apm_statistics.residual_echo_likelihood), value_in_report); } else { EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameResidualEchoLikelihood, &value_in_report)); } if (sinfo.apm_statistics.residual_echo_likelihood_recent_max) { EXPECT_TRUE(GetValue( report, StatsReport::kStatsValueNameResidualEchoLikelihoodRecentMax, &value_in_report)); EXPECT_EQ(rtc::ToString( *sinfo.apm_statistics.residual_echo_likelihood_recent_max), value_in_report); } else { EXPECT_FALSE(GetValue( report, StatsReport::kStatsValueNameResidualEchoLikelihoodRecentMax, &value_in_report)); } EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAudioInputLevel, &value_in_report)); EXPECT_EQ(rtc::ToString(sinfo.audio_level), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAnaBitrateActionCounter, &value_in_report)); ASSERT_TRUE(sinfo.ana_statistics.bitrate_action_counter); EXPECT_EQ(rtc::ToString(*sinfo.ana_statistics.bitrate_action_counter), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAnaChannelActionCounter, &value_in_report)); ASSERT_TRUE(sinfo.ana_statistics.channel_action_counter); EXPECT_EQ(rtc::ToString(*sinfo.ana_statistics.channel_action_counter), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAnaDtxActionCounter, &value_in_report)); ASSERT_TRUE(sinfo.ana_statistics.dtx_action_counter); EXPECT_EQ(rtc::ToString(*sinfo.ana_statistics.dtx_action_counter), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAnaFecActionCounter, &value_in_report)); ASSERT_TRUE(sinfo.ana_statistics.fec_action_counter); EXPECT_EQ(rtc::ToString(*sinfo.ana_statistics.fec_action_counter), value_in_report); EXPECT_TRUE(GetValue( report, StatsReport::kStatsValueNameAnaFrameLengthIncreaseCounter, &value_in_report)); ASSERT_TRUE(sinfo.ana_statistics.frame_length_increase_counter); EXPECT_EQ(rtc::ToString(*sinfo.ana_statistics.frame_length_increase_counter), value_in_report); EXPECT_TRUE(GetValue( report, StatsReport::kStatsValueNameAnaFrameLengthDecreaseCounter, &value_in_report)); ASSERT_TRUE(sinfo.ana_statistics.frame_length_decrease_counter); EXPECT_EQ(rtc::ToString(*sinfo.ana_statistics.frame_length_decrease_counter), value_in_report); EXPECT_TRUE(GetValue(report, StatsReport::kStatsValueNameAnaUplinkPacketLossFraction, &value_in_report)); ASSERT_TRUE(sinfo.ana_statistics.uplink_packet_loss_fraction); EXPECT_EQ(rtc::ToString(*sinfo.ana_statistics.uplink_packet_loss_fraction), value_in_report); } // Helper methods to avoid duplication of code. void InitVoiceSenderInfo(cricket::VoiceSenderInfo* voice_sender_info, uint32_t ssrc = kSsrcOfTrack) { voice_sender_info->add_ssrc(ssrc); voice_sender_info->codec_name = "fake_codec"; voice_sender_info->payload_bytes_sent = 88; voice_sender_info->header_and_padding_bytes_sent = 12; voice_sender_info->packets_sent = 101; voice_sender_info->rtt_ms = 102; voice_sender_info->fraction_lost = 103; voice_sender_info->jitter_ms = 104; voice_sender_info->packets_lost = 105; voice_sender_info->audio_level = 107; voice_sender_info->apm_statistics.echo_return_loss = 108; voice_sender_info->apm_statistics.echo_return_loss_enhancement = 109; voice_sender_info->apm_statistics.delay_median_ms = 110; voice_sender_info->apm_statistics.delay_standard_deviation_ms = 111; voice_sender_info->ana_statistics.bitrate_action_counter = 112; voice_sender_info->ana_statistics.channel_action_counter = 113; voice_sender_info->ana_statistics.dtx_action_counter = 114; voice_sender_info->ana_statistics.fec_action_counter = 115; voice_sender_info->ana_statistics.frame_length_increase_counter = 116; voice_sender_info->ana_statistics.frame_length_decrease_counter = 117; voice_sender_info->ana_statistics.uplink_packet_loss_fraction = 118.0; } void UpdateVoiceSenderInfoFromAudioTrack( AudioTrackInterface* audio_track, cricket::VoiceSenderInfo* voice_sender_info, bool has_remote_tracks) { audio_track->GetSignalLevel(&voice_sender_info->audio_level); AudioProcessorInterface::AudioProcessorStatistics audio_processor_stats = audio_track->GetAudioProcessor()->GetStats(has_remote_tracks); voice_sender_info->apm_statistics = audio_processor_stats.apm_statistics; } void InitVoiceReceiverInfo(cricket::VoiceReceiverInfo* voice_receiver_info) { voice_receiver_info->add_ssrc(kSsrcOfTrack); voice_receiver_info->payload_bytes_rcvd = 98; voice_receiver_info->header_and_padding_bytes_rcvd = 12; voice_receiver_info->packets_rcvd = 111; voice_receiver_info->packets_lost = 114; voice_receiver_info->jitter_ms = 116; voice_receiver_info->jitter_buffer_ms = 117; voice_receiver_info->jitter_buffer_preferred_ms = 118; voice_receiver_info->delay_estimate_ms = 119; voice_receiver_info->audio_level = 120; voice_receiver_info->expand_rate = 121; voice_receiver_info->speech_expand_rate = 122; voice_receiver_info->secondary_decoded_rate = 123; voice_receiver_info->accelerate_rate = 124; voice_receiver_info->preemptive_expand_rate = 125; voice_receiver_info->secondary_discarded_rate = 126; voice_receiver_info->decoding_codec_plc = 127; } class LegacyStatsCollectorForTest : public LegacyStatsCollector { public: explicit LegacyStatsCollectorForTest(PeerConnectionInternal* pc) : LegacyStatsCollector(pc), time_now_(19477) {} double GetTimeNow() override { return time_now_; } private: double time_now_; }; class LegacyStatsCollectorTest : public ::testing::Test { protected: rtc::scoped_refptr CreatePeerConnection() { return rtc::make_ref_counted(); } std::unique_ptr CreateStatsCollector( PeerConnectionInternal* pc) { return std::make_unique(pc); } void VerifyAudioTrackStats(FakeAudioTrack* audio_track, LegacyStatsCollectorForTest* stats, const VoiceMediaInfo& voice_info, StatsReports* reports) { stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); stats->InvalidateCache(); stats->GetStats(nullptr, reports); // Verify the existence of the track report. const StatsReport* report = FindNthReportByType(*reports, StatsReport::kStatsReportTypeSsrc, 1); ASSERT_TRUE(report); EXPECT_EQ(stats->GetTimeNow(), report->timestamp()); std::string track_id = ExtractSsrcStatsValue(*reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(audio_track->id(), track_id); std::string ssrc_id = ExtractSsrcStatsValue(*reports, StatsReport::kStatsValueNameSsrc); EXPECT_EQ(rtc::ToString(kSsrcOfTrack), ssrc_id); std::string media_type = ExtractSsrcStatsValue(*reports, StatsReport::kStatsValueNameMediaType); EXPECT_EQ("audio", media_type); // Verifies the values in the track report. if (!voice_info.senders.empty()) { VerifyVoiceSenderInfoReport(report, voice_info.senders[0]); } if (!voice_info.receivers.empty()) { VerifyVoiceReceiverInfoReport(report, voice_info.receivers[0]); } // Verify we get the same result by passing a track to GetStats(). StatsReports track_reports; // returned values. stats->GetStats(audio_track, &track_reports); const StatsReport* track_report = FindNthReportByType( track_reports, StatsReport::kStatsReportTypeSsrc, 1); ASSERT_TRUE(track_report); EXPECT_EQ(stats->GetTimeNow(), track_report->timestamp()); track_id = ExtractSsrcStatsValue(track_reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(audio_track->id(), track_id); ssrc_id = ExtractSsrcStatsValue(track_reports, StatsReport::kStatsValueNameSsrc); EXPECT_EQ(rtc::ToString(kSsrcOfTrack), ssrc_id); if (!voice_info.senders.empty()) { VerifyVoiceSenderInfoReport(track_report, voice_info.senders[0]); } if (!voice_info.receivers.empty()) { VerifyVoiceReceiverInfoReport(track_report, voice_info.receivers[0]); } } void TestCertificateReports(const rtc::FakeSSLIdentity& local_identity, const std::vector& local_ders, const rtc::FakeSSLIdentity& remote_identity, const std::vector& remote_ders) { const std::string kTransportName = "transport"; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); pc->AddVoiceChannel("audio", kTransportName); // Fake stats to process. TransportChannelStats channel_stats; channel_stats.component = 1; channel_stats.srtp_crypto_suite = rtc::kSrtpAes128CmSha1_80; channel_stats.ssl_cipher_suite = internal::TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA; pc->SetTransportStats(kTransportName, channel_stats); // Fake certificate to report. rtc::scoped_refptr local_certificate( rtc::RTCCertificate::Create(local_identity.Clone())); pc->SetLocalCertificate(kTransportName, local_certificate); pc->SetRemoteCertChain(kTransportName, remote_identity.cert_chain().Clone()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); const StatsReport* channel_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeComponent, 1); EXPECT_TRUE(channel_report); // Check local certificate chain. std::string local_certificate_id = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameLocalCertificateId); if (local_ders.size() > 0) { EXPECT_NE(kNotFound, local_certificate_id); StatsReport::Id id(IdFromCertIdString(local_certificate_id)); CheckCertChainReports(reports, local_ders, id); } else { EXPECT_EQ(kNotFound, local_certificate_id); } // Check remote certificate chain. std::string remote_certificate_id = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameRemoteCertificateId); if (remote_ders.size() > 0) { EXPECT_NE(kNotFound, remote_certificate_id); StatsReport::Id id(IdFromCertIdString(remote_certificate_id)); CheckCertChainReports(reports, remote_ders, id); } else { EXPECT_EQ(kNotFound, remote_certificate_id); } // Check negotiated ciphers. std::string dtls_cipher_suite = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameDtlsCipher); EXPECT_EQ(rtc::SSLStreamAdapter::SslCipherSuiteToName( internal::TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA), dtls_cipher_suite); std::string srtp_crypto_suite = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameSrtpCipher); EXPECT_EQ(rtc::SrtpCryptoSuiteToName(rtc::kSrtpAes128CmSha1_80), srtp_crypto_suite); } private: rtc::AutoThread main_thread_; }; static rtc::scoped_refptr CreateMockSender( rtc::scoped_refptr track, uint32_t ssrc) { auto sender = rtc::make_ref_counted(); 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, SetMediaChannel(_)).Times(AtMost(2)); EXPECT_CALL(*sender, SetTransceiverAsStopped()).Times(AtMost(1)); EXPECT_CALL(*sender, Stop()); return sender; } static rtc::scoped_refptr CreateMockReceiver( rtc::scoped_refptr track, uint32_t ssrc) { auto receiver = rtc::make_ref_counted(); EXPECT_CALL(*receiver, track()).WillRepeatedly(Return(track)); EXPECT_CALL(*receiver, ssrc()).WillRepeatedly(Return(ssrc)); EXPECT_CALL(*receiver, media_type()) .WillRepeatedly( Return(track->kind() == MediaStreamTrackInterface::kAudioKind ? cricket::MEDIA_TYPE_AUDIO : cricket::MEDIA_TYPE_VIDEO)); EXPECT_CALL(*receiver, SetMediaChannel(_)).WillRepeatedly(Return()); EXPECT_CALL(*receiver, Stop()).WillRepeatedly(Return()); return receiver; } class StatsCollectorTrackTest : public LegacyStatsCollectorTest, public ::testing::WithParamInterface { public: // Adds a outgoing video track with a given SSRC into the stats. // If GetParam() returns true, the track is also inserted into the local // stream, which is created if necessary. void AddOutgoingVideoTrack(FakePeerConnectionForStats* pc, LegacyStatsCollectorForTest* stats) { video_track_ = VideoTrack::Create( kLocalTrackId, FakeVideoTrackSource::Create(), rtc::Thread::Current()); if (GetParam()) { if (!stream_) stream_ = MediaStream::Create("streamid"); stream_->AddTrack(video_track()); stats->AddStream(stream_.get()); } else { stats->AddTrack(video_track_.get()); } pc->AddSender(CreateMockSender(video_track_, kSsrcOfTrack)); } // Adds a incoming video track with a given SSRC into the stats. void AddIncomingVideoTrack(FakePeerConnectionForStats* pc, LegacyStatsCollectorForTest* stats) { video_track_ = VideoTrack::Create( kRemoteTrackId, FakeVideoTrackSource::Create(), rtc::Thread::Current()); if (GetParam()) { stream_ = MediaStream::Create("streamid"); stream_->AddTrack(video_track()); stats->AddStream(stream_.get()); } else { stats->AddTrack(video_track_.get()); } pc->AddReceiver(CreateMockReceiver(video_track_, kSsrcOfTrack)); } // Adds a outgoing audio track with a given SSRC into the stats, // and register it into the stats object. // If GetParam() returns true, the track is also inserted into the local // stream, which is created if necessary. rtc::scoped_refptr AddOutgoingAudioTrack( FakePeerConnectionForStats* pc, LegacyStatsCollectorForTest* stats) { audio_track_ = rtc::make_ref_counted(kLocalTrackId); if (GetParam()) { if (!stream_) stream_ = MediaStream::Create("streamid"); stream_->AddTrack(audio_track()); stats->AddStream(stream_.get()); } else { stats->AddTrack(audio_track_.get()); } return pc->AddSender(CreateMockSender(audio_track_, kSsrcOfTrack)); } // Adds a incoming audio track with a given SSRC into the stats. void AddIncomingAudioTrack(FakePeerConnectionForStats* pc, LegacyStatsCollectorForTest* stats) { audio_track_ = rtc::make_ref_counted(kRemoteTrackId); if (GetParam()) { if (stream_ == nullptr) stream_ = MediaStream::Create("streamid"); stream_->AddTrack(audio_track()); stats->AddStream(stream_.get()); } else { stats->AddTrack(audio_track_.get()); } pc->AddReceiver(CreateMockReceiver(audio_track_, kSsrcOfTrack)); } rtc::scoped_refptr audio_track() { return audio_track_; } rtc::scoped_refptr video_track() { return video_track_; } rtc::scoped_refptr stream_; rtc::scoped_refptr video_track_; rtc::scoped_refptr audio_track_; }; TEST_F(LegacyStatsCollectorTest, FilterOutNegativeDataChannelId) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); pc->AddSctpDataChannel("hacks"); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); const StatsReport* report = FindNthReportByType(reports, StatsReport::kStatsReportTypeDataChannel, 1); std::string value_in_report; EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameDataChannelId, &value_in_report)); } // Verify that ExtractDataInfo populates reports. TEST_F(LegacyStatsCollectorTest, ExtractDataInfo) { const std::string kDataChannelLabel = "hacks"; constexpr int kDataChannelId = 31337; const std::string kConnectingString = DataChannelInterface::DataStateString( DataChannelInterface::DataState::kConnecting); auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); InternalDataChannelInit init; init.id = kDataChannelId; pc->AddSctpDataChannel(kDataChannelLabel, init); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); const StatsReport* report = FindNthReportByType(reports, StatsReport::kStatsReportTypeDataChannel, 1); StatsReport::Id report_id = StatsReport::NewTypedIntId( StatsReport::kStatsReportTypeDataChannel, kDataChannelId); EXPECT_TRUE(report_id->Equals(report->id())); EXPECT_EQ(stats->GetTimeNow(), report->timestamp()); EXPECT_EQ(kDataChannelLabel, ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel, reports, StatsReport::kStatsValueNameLabel)); EXPECT_EQ(rtc::ToString(kDataChannelId), ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel, reports, StatsReport::kStatsValueNameDataChannelId)); EXPECT_EQ(kConnectingString, ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel, reports, StatsReport::kStatsValueNameState)); EXPECT_EQ("", ExtractStatsValue(StatsReport::kStatsReportTypeDataChannel, reports, StatsReport::kStatsValueNameProtocol)); } // This test verifies that 64-bit counters are passed successfully. TEST_P(StatsCollectorTrackTest, BytesCounterHandles64Bits) { // The number of bytes must be larger than 0xFFFFFFFF for this test. constexpr int64_t kBytesSent = 12345678901234LL; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); VideoSenderInfo video_sender_info; video_sender_info.add_ssrc(1234); video_sender_info.payload_bytes_sent = kBytesSent; video_sender_info.header_and_padding_bytes_sent = 0; VideoMediaInfo video_info; video_info.aggregated_senders.push_back(video_sender_info); pc->AddVideoChannel("video", "transport", video_info); AddOutgoingVideoTrack(pc.get(), stats.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); EXPECT_EQ( rtc::ToString(kBytesSent), ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameBytesSent)); } // Test that audio BWE information is reported via stats. TEST_P(StatsCollectorTrackTest, AudioBandwidthEstimationInfoIsReported) { // Set up an SSRC just to test that we get both kinds of stats back: SSRC and // BWE. constexpr int64_t kBytesSent = 12345678901234LL; constexpr int kSendBandwidth = 1234567; constexpr int kRecvBandwidth = 12345678; constexpr int kPacerDelay = 123; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); VoiceSenderInfo voice_sender_info; voice_sender_info.add_ssrc(1234); voice_sender_info.payload_bytes_sent = kBytesSent - 12; voice_sender_info.header_and_padding_bytes_sent = 12; VoiceMediaInfo voice_info; voice_info.senders.push_back(voice_sender_info); auto* voice_media_channel = pc->AddVoiceChannel("audio", "transport"); voice_media_channel->SetStats(voice_info); AddOutgoingAudioTrack(pc.get(), stats.get()); Call::Stats call_stats; call_stats.send_bandwidth_bps = kSendBandwidth; call_stats.recv_bandwidth_bps = kRecvBandwidth; call_stats.pacer_delay_ms = kPacerDelay; pc->SetCallStats(call_stats); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); EXPECT_EQ( rtc::ToString(kBytesSent), ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameBytesSent)); EXPECT_EQ(rtc::ToString(kSendBandwidth), ExtractBweStatsValue( reports, StatsReport::kStatsValueNameAvailableSendBandwidth)); EXPECT_EQ( rtc::ToString(kRecvBandwidth), ExtractBweStatsValue( reports, StatsReport::kStatsValueNameAvailableReceiveBandwidth)); EXPECT_EQ( rtc::ToString(kPacerDelay), ExtractBweStatsValue(reports, StatsReport::kStatsValueNameBucketDelay)); } // Test that video BWE information is reported via stats. TEST_P(StatsCollectorTrackTest, VideoBandwidthEstimationInfoIsReported) { // Set up an SSRC just to test that we get both kinds of stats back: SSRC and // BWE. constexpr int64_t kBytesSent = 12345678901234LL; constexpr int kSendBandwidth = 1234567; constexpr int kRecvBandwidth = 12345678; constexpr int kPacerDelay = 123; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); VideoSenderInfo video_sender_info; video_sender_info.add_ssrc(1234); video_sender_info.payload_bytes_sent = kBytesSent - 12; video_sender_info.header_and_padding_bytes_sent = 12; VideoMediaInfo video_info; video_info.aggregated_senders.push_back(video_sender_info); pc->AddVideoChannel("video", "transport", video_info); AddOutgoingVideoTrack(pc.get(), stats.get()); Call::Stats call_stats; call_stats.send_bandwidth_bps = kSendBandwidth; call_stats.recv_bandwidth_bps = kRecvBandwidth; call_stats.pacer_delay_ms = kPacerDelay; pc->SetCallStats(call_stats); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); EXPECT_EQ( rtc::ToString(kBytesSent), ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameBytesSent)); EXPECT_EQ(rtc::ToString(kSendBandwidth), ExtractBweStatsValue( reports, StatsReport::kStatsValueNameAvailableSendBandwidth)); EXPECT_EQ( rtc::ToString(kRecvBandwidth), ExtractBweStatsValue( reports, StatsReport::kStatsValueNameAvailableReceiveBandwidth)); EXPECT_EQ( rtc::ToString(kPacerDelay), ExtractBweStatsValue(reports, StatsReport::kStatsValueNameBucketDelay)); } // This test verifies that an object of type "googSession" always // exists in the returned stats. TEST_F(LegacyStatsCollectorTest, SessionObjectExists) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); EXPECT_TRUE( FindNthReportByType(reports, StatsReport::kStatsReportTypeSession, 1)); } // This test verifies that only one object of type "googSession" exists // in the returned stats. TEST_F(LegacyStatsCollectorTest, OnlyOneSessionObjectExists) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); EXPECT_TRUE( FindNthReportByType(reports, StatsReport::kStatsReportTypeSession, 1)); EXPECT_FALSE( FindNthReportByType(reports, StatsReport::kStatsReportTypeSession, 2)); } // This test verifies that the empty track report exists in the returned stats // without calling StatsCollector::UpdateStats. TEST_P(StatsCollectorTrackTest, TrackObjectExistsWithoutUpdateStats) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); pc->AddVideoChannel("video", "transport"); AddOutgoingVideoTrack(pc.get(), stats.get()); // Verfies the existence of the track report. StatsReports reports; stats->GetStats(nullptr, &reports); ASSERT_EQ(1u, reports.size()); EXPECT_EQ(StatsReport::kStatsReportTypeTrack, reports[0]->type()); EXPECT_EQ(0, reports[0]->timestamp()); std::string trackValue = ExtractStatsValue(StatsReport::kStatsReportTypeTrack, reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(kLocalTrackId, trackValue); } // This test verifies that the empty track report exists in the returned stats // when StatsCollector::UpdateStats is called with ssrc stats. TEST_P(StatsCollectorTrackTest, TrackAndSsrcObjectExistAfterUpdateSsrcStats) { constexpr int64_t kBytesSent = 12345678901234LL; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); VideoSenderInfo video_sender_info; video_sender_info.add_ssrc(1234); video_sender_info.payload_bytes_sent = kBytesSent - 12; video_sender_info.header_and_padding_bytes_sent = 12; VideoMediaInfo video_info; video_info.aggregated_senders.push_back(video_sender_info); pc->AddVideoChannel("video", "transport", video_info); AddOutgoingVideoTrack(pc.get(), stats.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); // `reports` should contain at least one session report, one track report, // and one ssrc report. EXPECT_LE(3u, reports.size()); const StatsReport* track_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeTrack, 1); EXPECT_TRUE(track_report); // Get report for the specific `track`. reports.clear(); stats->GetStats(video_track_.get(), &reports); // `reports` should contain at least one session report, one track report, // and one ssrc report. EXPECT_LE(3u, reports.size()); track_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeTrack, 1); ASSERT_TRUE(track_report); EXPECT_EQ(stats->GetTimeNow(), track_report->timestamp()); std::string ssrc_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameSsrc); EXPECT_EQ(rtc::ToString(kSsrcOfTrack), ssrc_id); std::string track_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(kLocalTrackId, track_id); std::string media_type = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameMediaType); EXPECT_EQ("video", media_type); } // This test verifies that an SSRC object has the identifier of a Transport // stats object, and that this transport stats object exists in stats. TEST_P(StatsCollectorTrackTest, TransportObjectLinkedFromSsrcObject) { constexpr int64_t kBytesSent = 12345678901234LL; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); VideoSenderInfo video_sender_info; video_sender_info.add_ssrc(1234); video_sender_info.payload_bytes_sent = kBytesSent - 12; video_sender_info.header_and_padding_bytes_sent = 12; VideoMediaInfo video_info; video_info.aggregated_senders.push_back(video_sender_info); pc->AddVideoChannel("video", "transport", video_info); AddOutgoingVideoTrack(pc.get(), stats.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); std::string transport_id = ExtractStatsValue(StatsReport::kStatsReportTypeSsrc, reports, StatsReport::kStatsValueNameTransportId); ASSERT_NE(kNotFound, transport_id); // Transport id component ID will always be 1. // This has assumptions about how the ID is constructed. As is, this is // OK since this is for testing purposes only, but if we ever need this // in production, we should add a generic method that does this. size_t index = transport_id.find('-'); ASSERT_NE(std::string::npos, index); std::string content = transport_id.substr(index + 1); index = content.rfind('-'); ASSERT_NE(std::string::npos, index); content = content.substr(0, index); StatsReport::Id id(StatsReport::NewComponentId(content, 1)); ASSERT_EQ(transport_id, id->ToString()); const StatsReport* transport_report = FindReportById(reports, id); ASSERT_TRUE(transport_report); } // This test verifies that a remote stats object will not be created for // an outgoing SSRC where remote stats are not returned. TEST_P(StatsCollectorTrackTest, RemoteSsrcInfoIsAbsent) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); pc->AddVideoChannel("video", "transport"); AddOutgoingVideoTrack(pc.get(), stats.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); const StatsReport* remote_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeRemoteSsrc, 1); EXPECT_FALSE(remote_report); } // This test verifies that a remote stats object will be created for // an outgoing SSRC where stats are returned. TEST_P(StatsCollectorTrackTest, RemoteSsrcInfoIsPresent) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); SsrcReceiverInfo remote_ssrc_stats; remote_ssrc_stats.timestamp = 12345.678; remote_ssrc_stats.ssrc = kSsrcOfTrack; VideoSenderInfo video_sender_info; video_sender_info.add_ssrc(kSsrcOfTrack); video_sender_info.remote_stats.push_back(remote_ssrc_stats); VideoMediaInfo video_info; video_info.aggregated_senders.push_back(video_sender_info); pc->AddVideoChannel("video", "transport", video_info); AddOutgoingVideoTrack(pc.get(), stats.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); const StatsReport* remote_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeRemoteSsrc, 1); ASSERT_TRUE(remote_report); EXPECT_EQ(12345.678, remote_report->timestamp()); } // This test verifies that the empty track report exists in the returned stats // when StatsCollector::UpdateStats is called with ssrc stats. TEST_P(StatsCollectorTrackTest, ReportsFromRemoteTrack) { constexpr int64_t kNumOfPacketsConcealed = 54321; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); VideoReceiverInfo video_receiver_info; video_receiver_info.add_ssrc(1234); video_receiver_info.packets_concealed = kNumOfPacketsConcealed; VideoMediaInfo video_info; video_info.receivers.push_back(video_receiver_info); pc->AddVideoChannel("video", "transport", video_info); AddIncomingVideoTrack(pc.get(), stats.get()); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); // `reports` should contain at least one session report, one track report, // and one ssrc report. EXPECT_LE(3u, reports.size()); const StatsReport* track_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeTrack, 1); ASSERT_TRUE(track_report); EXPECT_EQ(stats->GetTimeNow(), track_report->timestamp()); std::string ssrc_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameSsrc); EXPECT_EQ(rtc::ToString(kSsrcOfTrack), ssrc_id); std::string track_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(kRemoteTrackId, track_id); } // This test verifies the Ice Candidate report should contain the correct // information from local/remote candidates. TEST_F(LegacyStatsCollectorTest, IceCandidateReport) { const std::string kTransportName = "transport"; const rtc::AdapterType kNetworkType = rtc::ADAPTER_TYPE_ETHERNET; constexpr uint32_t kPriority = 1000; constexpr int kLocalPort = 2000; const std::string kLocalIp = "192.168.0.1"; const rtc::SocketAddress kLocalAddress(kLocalIp, kLocalPort); constexpr int kRemotePort = 2001; const std::string kRemoteIp = "192.168.0.2"; const rtc::SocketAddress kRemoteAddress(kRemoteIp, kRemotePort); auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); cricket::Candidate local; EXPECT_GT(local.id().length(), 0u); local.set_type(cricket::LOCAL_PORT_TYPE); local.set_protocol(cricket::UDP_PROTOCOL_NAME); local.set_address(kLocalAddress); local.set_priority(kPriority); local.set_network_type(kNetworkType); cricket::Candidate remote; EXPECT_GT(remote.id().length(), 0u); remote.set_type(cricket::PRFLX_PORT_TYPE); remote.set_protocol(cricket::UDP_PROTOCOL_NAME); remote.set_address(kRemoteAddress); remote.set_priority(kPriority); remote.set_network_type(kNetworkType); ConnectionInfo connection_info; connection_info.local_candidate = local; connection_info.remote_candidate = remote; TransportChannelStats channel_stats; channel_stats.ice_transport_stats.connection_infos.push_back(connection_info); pc->AddVoiceChannel("audio", kTransportName); pc->SetTransportStats(kTransportName, channel_stats); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); // Verify the local candidate report is populated correctly. EXPECT_EQ( "Cand-" + local.id(), ExtractStatsValue(StatsReport::kStatsReportTypeCandidatePair, reports, StatsReport::kStatsValueNameLocalCandidateId)); EXPECT_EQ( kLocalIp, ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports, StatsReport::kStatsValueNameCandidateIPAddress)); EXPECT_EQ( rtc::ToString(kLocalPort), ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports, StatsReport::kStatsValueNameCandidatePortNumber)); EXPECT_EQ( cricket::UDP_PROTOCOL_NAME, ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports, StatsReport::kStatsValueNameCandidateTransportType)); EXPECT_EQ( rtc::ToString(kPriority), ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports, StatsReport::kStatsValueNameCandidatePriority)); EXPECT_EQ( IceCandidateTypeToStatsType(cricket::LOCAL_PORT_TYPE), ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports, StatsReport::kStatsValueNameCandidateType)); EXPECT_EQ( AdapterTypeToStatsType(kNetworkType), ExtractStatsValue(StatsReport::kStatsReportTypeIceLocalCandidate, reports, StatsReport::kStatsValueNameCandidateNetworkType)); // Verify the remote candidate report is populated correctly. EXPECT_EQ( "Cand-" + remote.id(), ExtractStatsValue(StatsReport::kStatsReportTypeCandidatePair, reports, StatsReport::kStatsValueNameRemoteCandidateId)); EXPECT_EQ(kRemoteIp, ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate, reports, StatsReport::kStatsValueNameCandidateIPAddress)); EXPECT_EQ(rtc::ToString(kRemotePort), ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate, reports, StatsReport::kStatsValueNameCandidatePortNumber)); EXPECT_EQ(cricket::UDP_PROTOCOL_NAME, ExtractStatsValue( StatsReport::kStatsReportTypeIceRemoteCandidate, reports, StatsReport::kStatsValueNameCandidateTransportType)); EXPECT_EQ(rtc::ToString(kPriority), ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate, reports, StatsReport::kStatsValueNameCandidatePriority)); EXPECT_EQ( IceCandidateTypeToStatsType(cricket::PRFLX_PORT_TYPE), ExtractStatsValue(StatsReport::kStatsReportTypeIceRemoteCandidate, reports, StatsReport::kStatsValueNameCandidateType)); EXPECT_EQ(kNotFound, ExtractStatsValue( StatsReport::kStatsReportTypeIceRemoteCandidate, reports, StatsReport::kStatsValueNameCandidateNetworkType)); } // This test verifies that all chained certificates are correctly // reported TEST_F(LegacyStatsCollectorTest, ChainedCertificateReportsCreated) { // Build local certificate chain. std::vector local_ders(5); local_ders[0] = "These"; local_ders[1] = "are"; local_ders[2] = "some"; local_ders[3] = "der"; local_ders[4] = "values"; rtc::FakeSSLIdentity local_identity(DersToPems(local_ders)); // Build remote certificate chain std::vector remote_ders(4); remote_ders[0] = "A"; remote_ders[1] = "non-"; remote_ders[2] = "intersecting"; remote_ders[3] = "set"; rtc::FakeSSLIdentity remote_identity(DersToPems(remote_ders)); TestCertificateReports(local_identity, local_ders, remote_identity, remote_ders); } // This test verifies that all certificates without chains are correctly // reported. TEST_F(LegacyStatsCollectorTest, ChainlessCertificateReportsCreated) { // Build local certificate. std::string local_der = "This is the local der."; rtc::FakeSSLIdentity local_identity(DerToPem(local_der)); // Build remote certificate. std::string remote_der = "This is somebody else's der."; rtc::FakeSSLIdentity remote_identity(DerToPem(remote_der)); TestCertificateReports(local_identity, std::vector(1, local_der), remote_identity, std::vector(1, remote_der)); } // This test verifies that the stats are generated correctly when no // transport is present. TEST_F(LegacyStatsCollectorTest, NoTransport) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); // This will cause the fake PeerConnection to generate a TransportStats entry // but with only a single dummy TransportChannelStats. pc->AddVoiceChannel("audio", "transport"); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); // Check that the local certificate is absent. std::string local_certificate_id = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameLocalCertificateId); ASSERT_EQ(kNotFound, local_certificate_id); // Check that the remote certificate is absent. std::string remote_certificate_id = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameRemoteCertificateId); ASSERT_EQ(kNotFound, remote_certificate_id); // Check that the negotiated ciphers are absent. std::string dtls_cipher_suite = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameDtlsCipher); ASSERT_EQ(kNotFound, dtls_cipher_suite); std::string srtp_crypto_suite = ExtractStatsValue(StatsReport::kStatsReportTypeComponent, reports, StatsReport::kStatsValueNameSrtpCipher); ASSERT_EQ(kNotFound, srtp_crypto_suite); } // This test verifies that a remote certificate with an unsupported digest // algorithm is correctly ignored. TEST_F(LegacyStatsCollectorTest, UnsupportedDigestIgnored) { // Build a local certificate. std::string local_der = "This is the local der."; rtc::FakeSSLIdentity local_identity(DerToPem(local_der)); // Build a remote certificate with an unsupported digest algorithm. std::string remote_der = "This is somebody else's der."; rtc::FakeSSLCertificate remote_cert(DerToPem(remote_der)); remote_cert.set_digest_algorithm("foobar"); rtc::FakeSSLIdentity remote_identity(remote_cert); TestCertificateReports(local_identity, std::vector(1, local_der), remote_identity, std::vector()); } // This test verifies that the audio/video related stats which are -1 initially // will be filtered out. TEST_P(StatsCollectorTrackTest, FilterOutNegativeInitialValues) { // This test uses streams, but only works for the stream case. if (!GetParam()) { return; } auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); // Create a local stream with a local audio track and adds it to the stats. stream_ = MediaStream::Create("streamid"); auto local_track = rtc::make_ref_counted(kLocalTrackId); stream_->AddTrack(rtc::scoped_refptr(local_track.get())); pc->AddSender(CreateMockSender(local_track, kSsrcOfTrack)); if (GetParam()) { stats->AddStream(stream_.get()); } stats->AddLocalAudioTrack(local_track.get(), kSsrcOfTrack); // Create a remote stream with a remote audio track and adds it to the stats. rtc::scoped_refptr remote_stream( MediaStream::Create("remotestreamid")); rtc::scoped_refptr remote_track = rtc::make_ref_counted(kRemoteTrackId); remote_stream->AddTrack(remote_track); pc->AddReceiver(CreateMockReceiver(remote_track, kSsrcOfTrack)); if (GetParam()) { stats->AddStream(remote_stream.get()); } VoiceSenderInfo voice_sender_info; voice_sender_info.add_ssrc(kSsrcOfTrack); // These values are set to -1 initially in audio_send_stream. // The voice_sender_info will read the values from audio_send_stream. voice_sender_info.rtt_ms = -1; voice_sender_info.packets_lost = -1; voice_sender_info.jitter_ms = -1; // Some of the contents in `voice_sender_info` needs to be updated from the // `audio_track_`. UpdateVoiceSenderInfoFromAudioTrack(local_track.get(), &voice_sender_info, true); VoiceReceiverInfo voice_receiver_info; voice_receiver_info.add_ssrc(kSsrcOfTrack); voice_receiver_info.capture_start_ntp_time_ms = -1; voice_receiver_info.audio_level = -1; // Constructs an ssrc stats update. VoiceMediaInfo voice_info; voice_info.senders.push_back(voice_sender_info); voice_info.receivers.push_back(voice_receiver_info); auto* voice_media_channel = pc->AddVoiceChannel("voice", "transport"); voice_media_channel->SetStats(voice_info); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); // Get stats for the local track. StatsReports reports; stats->GetStats(local_track.get(), &reports); const StatsReport* report = FindNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, 1); ASSERT_TRUE(report); // The -1 will not be added to the stats report. std::string value_in_report; EXPECT_FALSE( GetValue(report, StatsReport::kStatsValueNameRtt, &value_in_report)); EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNamePacketsLost, &value_in_report)); EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameJitterReceived, &value_in_report)); EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoDelayMedian, &value_in_report)); EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameEchoDelayStdDev, &value_in_report)); // Get stats for the remote track. reports.clear(); stats->GetStats(remote_track.get(), &reports); report = FindNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, 1); ASSERT_TRUE(report); EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameCaptureStartNtpTimeMs, &value_in_report)); EXPECT_FALSE(GetValue(report, StatsReport::kStatsValueNameAudioInputLevel, &value_in_report)); } // This test verifies that a local stats object can get statistics via // AudioTrackInterface::GetStats() method. TEST_P(StatsCollectorTrackTest, GetStatsFromLocalAudioTrack) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); AddOutgoingAudioTrack(pc.get(), stats.get()); stats->AddLocalAudioTrack(audio_track_.get(), kSsrcOfTrack); VoiceSenderInfo voice_sender_info; InitVoiceSenderInfo(&voice_sender_info); UpdateVoiceSenderInfoFromAudioTrack(audio_track_.get(), &voice_sender_info, false); VoiceMediaInfo voice_info; voice_info.senders.push_back(voice_sender_info); auto* voice_media_channel = pc->AddVoiceChannel("audio", "transport"); voice_media_channel->SetStats(voice_info); StatsReports reports; // returned values. VerifyAudioTrackStats(audio_track_.get(), stats.get(), voice_info, &reports); // Verify that there is no remote report for the local audio track because // we did not set it up. const StatsReport* remote_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeRemoteSsrc, 1); EXPECT_TRUE(remote_report == NULL); } // This test verifies that audio receive streams populate stats reports // correctly. TEST_P(StatsCollectorTrackTest, GetStatsFromRemoteStream) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); AddIncomingAudioTrack(pc.get(), stats.get()); VoiceReceiverInfo voice_receiver_info; InitVoiceReceiverInfo(&voice_receiver_info); voice_receiver_info.codec_name = "fake_codec"; VoiceMediaInfo voice_info; voice_info.receivers.push_back(voice_receiver_info); auto* voice_media_channel = pc->AddVoiceChannel("audio", "transport"); voice_media_channel->SetStats(voice_info); StatsReports reports; // returned values. VerifyAudioTrackStats(audio_track_.get(), stats.get(), voice_info, &reports); } // This test verifies that a local stats object won't update its statistics // after a RemoveLocalAudioTrack() call. TEST_P(StatsCollectorTrackTest, GetStatsAfterRemoveAudioStream) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); AddOutgoingAudioTrack(pc.get(), stats.get()); stats->AddLocalAudioTrack(audio_track_.get(), kSsrcOfTrack); VoiceSenderInfo voice_sender_info; InitVoiceSenderInfo(&voice_sender_info); VoiceMediaInfo voice_info; voice_info.senders.push_back(voice_sender_info); auto* voice_media_channel = pc->AddVoiceChannel("audio", "transport"); voice_media_channel->SetStats(voice_info); stats->RemoveLocalAudioTrack(audio_track_.get(), kSsrcOfTrack); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); // The report will exist since we don't remove them in RemoveStream(). const StatsReport* report = FindNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, 1); ASSERT_TRUE(report); EXPECT_EQ(stats->GetTimeNow(), report->timestamp()); std::string track_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(kLocalTrackId, track_id); std::string ssrc_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameSsrc); EXPECT_EQ(rtc::ToString(kSsrcOfTrack), ssrc_id); // Verifies the values in the track report, no value will be changed by the // AudioTrackInterface::GetSignalValue() and // AudioProcessorInterface::GetStats(); VerifyVoiceSenderInfoReport(report, voice_sender_info); } // This test verifies that when ongoing and incoming audio tracks are using // the same ssrc, they populate stats reports correctly. TEST_P(StatsCollectorTrackTest, LocalAndRemoteTracksWithSameSsrc) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); // Create a local stream with a local audio track and adds it to the stats. AddOutgoingAudioTrack(pc.get(), stats.get()); stats->AddLocalAudioTrack(audio_track_.get(), kSsrcOfTrack); // Create a remote stream with a remote audio track and adds it to the stats. rtc::scoped_refptr remote_stream( MediaStream::Create("remotestreamid")); rtc::scoped_refptr remote_track = rtc::make_ref_counted(kRemoteTrackId); pc->AddReceiver(CreateMockReceiver(remote_track, kSsrcOfTrack)); remote_stream->AddTrack(remote_track); stats->AddStream(remote_stream.get()); VoiceSenderInfo voice_sender_info; InitVoiceSenderInfo(&voice_sender_info); // Some of the contents in `voice_sender_info` needs to be updated from the // `audio_track_`. UpdateVoiceSenderInfoFromAudioTrack(audio_track_.get(), &voice_sender_info, true); VoiceReceiverInfo voice_receiver_info; InitVoiceReceiverInfo(&voice_receiver_info); // Constructs an ssrc stats update. VoiceMediaInfo voice_info; voice_info.senders.push_back(voice_sender_info); voice_info.receivers.push_back(voice_receiver_info); // Instruct the session to return stats containing the transport channel. auto* voice_media_channel = pc->AddVoiceChannel("audio", "transport"); voice_media_channel->SetStats(voice_info); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); // Get stats for the local track. StatsReports reports; // returned values. stats->GetStats(audio_track_.get(), &reports); const StatsReport* track_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, 1); ASSERT_TRUE(track_report); EXPECT_EQ(stats->GetTimeNow(), track_report->timestamp()); std::string track_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(kLocalTrackId, track_id); VerifyVoiceSenderInfoReport(track_report, voice_sender_info); // Get stats for the remote track. reports.clear(); stats->GetStats(remote_track.get(), &reports); track_report = FindNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, 1); ASSERT_TRUE(track_report); EXPECT_EQ(stats->GetTimeNow(), track_report->timestamp()); track_id = ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameTrackId); EXPECT_EQ(kRemoteTrackId, track_id); VerifyVoiceReceiverInfoReport(track_report, voice_receiver_info); } // This test verifies that when two outgoing audio tracks are using the same // ssrc at different times, they populate stats reports correctly. // TODO(xians): Figure out if it is possible to encapsulate the setup and // avoid duplication of code in test cases. TEST_P(StatsCollectorTrackTest, TwoLocalTracksWithSameSsrc) { // This test only makes sense when we're using streams. if (!GetParam()) { return; } auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); // Create a local stream with a local audio track and adds it to the stats. auto sender = AddOutgoingAudioTrack(pc.get(), stats.get()); stats->AddLocalAudioTrack(audio_track_.get(), kSsrcOfTrack); VoiceSenderInfo voice_sender_info; InitVoiceSenderInfo(&voice_sender_info); UpdateVoiceSenderInfoFromAudioTrack(audio_track_.get(), &voice_sender_info, false); voice_sender_info.add_ssrc(kSsrcOfTrack); VoiceMediaInfo voice_info; voice_info.senders.push_back(voice_sender_info); auto* voice_media_channel = pc->AddVoiceChannel("voice", "transport"); voice_media_channel->SetStats(voice_info); StatsReports reports; // returned values. VerifyAudioTrackStats(audio_track_.get(), stats.get(), voice_info, &reports); // Remove the previous audio track from the stream. stream_->RemoveTrack(audio_track()); stats->RemoveLocalAudioTrack(audio_track_.get(), kSsrcOfTrack); pc->RemoveSender(sender); // Create a new audio track and adds it to the stream and stats. static const std::string kNewTrackId = "new_track_id"; auto new_audio_track = rtc::make_ref_counted(kNewTrackId); pc->AddSender(CreateMockSender(new_audio_track, kSsrcOfTrack)); stream_->AddTrack( rtc::scoped_refptr(new_audio_track.get())); stats->AddLocalAudioTrack(new_audio_track.get(), kSsrcOfTrack); stats->InvalidateCache(); VoiceSenderInfo new_voice_sender_info; InitVoiceSenderInfo(&new_voice_sender_info); UpdateVoiceSenderInfoFromAudioTrack(new_audio_track.get(), &new_voice_sender_info, false); VoiceMediaInfo new_voice_info; new_voice_info.senders.push_back(new_voice_sender_info); voice_media_channel->SetStats(new_voice_info); reports.clear(); VerifyAudioTrackStats(new_audio_track.get(), stats.get(), new_voice_info, &reports); } // Test that if there are two local senders with the same track then two SSRC // reports will be created, one for each sender, with the same track ID and one // track report will be created for the shared track. TEST_P(StatsCollectorTrackTest, TwoLocalSendersWithSameTrack) { constexpr uint32_t kFirstSsrc = 22; constexpr uint32_t kSecondSsrc = 33; auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); auto local_track = rtc::make_ref_counted(kLocalTrackId); pc->AddSender(CreateMockSender(local_track, kFirstSsrc)); stats->AddLocalAudioTrack(local_track.get(), kFirstSsrc); pc->AddSender(CreateMockSender(local_track, kSecondSsrc)); stats->AddLocalAudioTrack(local_track.get(), kSecondSsrc); VoiceSenderInfo first_sender_info; InitVoiceSenderInfo(&first_sender_info, kFirstSsrc); UpdateVoiceSenderInfoFromAudioTrack(local_track.get(), &first_sender_info, false); VoiceSenderInfo second_sender_info; InitVoiceSenderInfo(&second_sender_info, kSecondSsrc); UpdateVoiceSenderInfoFromAudioTrack(local_track.get(), &second_sender_info, false); VoiceMediaInfo voice_info; voice_info.senders.push_back(first_sender_info); voice_info.senders.push_back(second_sender_info); auto* voice_media_channel = pc->AddVoiceChannel("voice", "transport"); voice_media_channel->SetStats(voice_info); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(local_track.get(), &reports); // Both SSRC reports have the same track ID. EXPECT_EQ(kLocalTrackId, GetValueInNthReportByType( reports, StatsReport::kStatsReportTypeSsrc, StatsReport::kStatsValueNameTrackId, 1)); EXPECT_EQ(kLocalTrackId, GetValueInNthReportByType( reports, StatsReport::kStatsReportTypeSsrc, StatsReport::kStatsValueNameTrackId, 2)); // The SSRC in each SSRC report is different and correspond to the sender // SSRC. std::vector> ssrcs = { GetValueInNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, StatsReport::kStatsValueNameSsrc, 1), GetValueInNthReportByType(reports, StatsReport::kStatsReportTypeSsrc, StatsReport::kStatsValueNameSsrc, 2)}; EXPECT_THAT(ssrcs, UnorderedElementsAre(rtc::ToString(kFirstSsrc), rtc::ToString(kSecondSsrc))); // There is one track report with the same track ID as the SSRC reports. EXPECT_EQ( 1u, GetReportsByType(reports, StatsReport::kStatsReportTypeTrack).size()); EXPECT_EQ(kLocalTrackId, GetValueInNthReportByType( reports, StatsReport::kStatsReportTypeTrack, StatsReport::kStatsValueNameTrackId, 1)); } // This test verifies that stats are correctly set in video send ssrc stats. TEST_P(StatsCollectorTrackTest, VerifyVideoSendSsrcStats) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); AddOutgoingVideoTrack(pc.get(), stats.get()); VideoSenderInfo video_sender_info; video_sender_info.add_ssrc(1234); video_sender_info.frames_encoded = 10; video_sender_info.qp_sum = 11; VideoMediaInfo video_info; video_info.aggregated_senders.push_back(video_sender_info); pc->AddVideoChannel("video", "transport", video_info); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); EXPECT_EQ(rtc::ToString(video_sender_info.frames_encoded), ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameFramesEncoded)); EXPECT_EQ(rtc::ToString(*video_sender_info.qp_sum), ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameQpSum)); } // This test verifies that stats are correctly set in video receive ssrc stats. TEST_P(StatsCollectorTrackTest, VerifyVideoReceiveSsrcStatsNew) { auto pc = CreatePeerConnection(); auto stats = CreateStatsCollector(pc.get()); AddIncomingVideoTrack(pc.get(), stats.get()); VideoReceiverInfo video_receiver_info; video_receiver_info.add_ssrc(1234); video_receiver_info.frames_decoded = 10; video_receiver_info.qp_sum = 11; VideoMediaInfo video_info; video_info.receivers.push_back(video_receiver_info); pc->AddVideoChannel("video", "transport", video_info); stats->UpdateStats(PeerConnectionInterface::kStatsOutputLevelStandard); StatsReports reports; stats->GetStats(nullptr, &reports); EXPECT_EQ(rtc::ToString(video_receiver_info.frames_decoded), ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameFramesDecoded)); EXPECT_EQ(rtc::ToString(*video_receiver_info.qp_sum), ExtractSsrcStatsValue(reports, StatsReport::kStatsValueNameQpSum)); } INSTANTIATE_TEST_SUITE_P(HasStream, StatsCollectorTrackTest, ::testing::Bool()); } // namespace webrtc