Google Git
Sign in
webrtc / src / / 05e8162ebf7413e94b764b7249479a62e9a42bbe / . / pc / legacy_stats_collector_unittest.cc
blob: af3d3038e16f56ce309d622b28d53090aea7e8f7 [file] [log] [blame]
/*
* 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 <stdio.h>
#include <cstdint>
#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/null_socket_server.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<AudioTrackInterface> {
public:
explicit FakeAudioTrack(const std::string& id)
: MediaStreamTrack<AudioTrackInterface>(id),
processor_(rtc::make_ref_counted<FakeAudioProcessor>()) {}
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<AudioProcessorInterface> GetAudioProcessor() override {
return processor_;
}
private:
rtc::scoped_refptr<FakeAudioProcessor> 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<AudioTrackInterface> {
public:
explicit FakeAudioTrackWithInitValue(const std::string& id)
: MediaStreamTrack<AudioTrackInterface>(id),
processor_(rtc::make_ref_counted<FakeAudioProcessorWithInitValue>()) {}
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<AudioProcessorInterface> GetAudioProcessor() override {
return processor_;
}
private:
rtc::scoped_refptr<FakeAudioProcessorWithInitValue> 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<std::string> 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<const StatsReport*> GetReportsByType(const StatsReports& reports,
StatsReport::StatsType type) {
std::vector<const StatsReport*> 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<const unsigned char*>(der.c_str()), der.length());
}
std::vector<std::string> DersToPems(const std::vector<std::string>& ders) {
std::vector<std::string> pems(ders.size());
absl::c_transform(ders, pems.begin(), DerToPem);
return pems;
}
void CheckCertChainReports(const StatsReports& reports,
const std::vector<std::string>& 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_received +
info.header_and_padding_bytes_received),
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_received), 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_received = 98;
voice_receiver_info->header_and_padding_bytes_received = 12;
voice_receiver_info->packets_received = 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<FakePeerConnectionForStats> CreatePeerConnection() {
return rtc::make_ref_counted<FakePeerConnectionForStats>();
}
std::unique_ptr<LegacyStatsCollectorForTest> CreateStatsCollector(
PeerConnectionInternal* pc) {
return std::make_unique<LegacyStatsCollectorForTest>(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<std::string>& local_ders,
const rtc::FakeSSLIdentity& remote_identity,
const std::vector<std::string>& 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<rtc::RTCCertificate> 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<MockRtpSenderInternal> CreateMockSender(
rtc::scoped_refptr<MediaStreamTrackInterface> track,
uint32_t ssrc) {
auto sender = rtc::make_ref_counted<MockRtpSenderInternal>();
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<MockRtpReceiverInternal> CreateMockReceiver(
rtc::scoped_refptr<MediaStreamTrackInterface> track,
uint32_t ssrc) {
auto receiver = rtc::make_ref_counted<MockRtpReceiverInternal>();
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<bool> {
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<RtpSenderInterface> AddOutgoingAudioTrack(
FakePeerConnectionForStats* pc,
LegacyStatsCollectorForTest* stats) {
audio_track_ = rtc::make_ref_counted<FakeAudioTrack>(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<FakeAudioTrack>(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<AudioTrackInterface> audio_track() { return audio_track_; }
rtc::scoped_refptr<VideoTrackInterface> video_track() { return video_track_; }
rtc::scoped_refptr<MediaStream> stream_;
rtc::scoped_refptr<VideoTrack> video_track_;
rtc::scoped_refptr<FakeAudioTrack> audio_track_;
};
TEST(StatsCollectionTest, DetachAndMerge) {
StatsCollection collection;
ASSERT_EQ(collection.size(), 0u);
// Create a new report with some information.
StatsReport::Id id(
StatsReport::NewTypedId(StatsReport::kStatsReportTypeTrack, "track_id"));
StatsReport* report = collection.ReplaceOrAddNew(id);
report->AddString(StatsReport::kStatsValueNameTrackId, "track_id");
ASSERT_TRUE(report);
// Check that looking it up, yields the same report.
ASSERT_EQ(report, collection.FindOrAddNew(id));
// There should be one report now.
ASSERT_EQ(collection.size(), 1u);
// Detach the internal container from the StatsCollection.
StatsCollection::Container container = collection.DetachCollection();
EXPECT_EQ(container.size(), 1u);
EXPECT_EQ(collection.size(), 0u);
EXPECT_EQ(nullptr, collection.Find(id));
// Merge it back and test if we find the same report.
collection.MergeCollection(std::move(container));
EXPECT_EQ(collection.size(), 1u);
EXPECT_EQ(report, collection.Find(id));
}
// Similar to `DetachAndMerge` above but detaches on one thread, merges on
// another to test that we don't trigger sequence checker.
TEST(StatsCollectionTest, DetachAndMergeThreaded) {
rtc::Thread new_thread(std::make_unique<rtc::NullSocketServer>());
new_thread.Start();
StatsReport::Id id(
StatsReport::NewTypedId(StatsReport::kStatsReportTypeTrack, "track_id"));
StatsReport* expected_report = nullptr;
StatsCollection::Container container = new_thread.BlockingCall([&] {
StatsCollection collection;
expected_report = collection.ReplaceOrAddNew(id);
expected_report->AddString(StatsReport::kStatsValueNameTrackId, "track_id");
return collection.DetachCollection();
});
StatsCollection collection;
collection.MergeCollection(std::move(container));
EXPECT_EQ(collection.size(), 1u);
EXPECT_EQ(expected_report, collection.Find(id));
new_thread.Stop();
}
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_channels = pc->AddVoiceChannel("audio", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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);
RTC_DCHECK_EQ(local.type(), IceCandidateType::kHost);
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(IceCandidateType::kPrflx);
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(local),
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(remote),
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<std::string> 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<std::string> 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<std::string>(1, local_der),
remote_identity,
std::vector<std::string>(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<std::string>(1, local_der),
remote_identity, std::vector<std::string>());
}
// 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<FakeAudioTrackWithInitValue>(kLocalTrackId);
stream_->AddTrack(rtc::scoped_refptr<AudioTrackInterface>(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<MediaStream> remote_stream(
MediaStream::Create("remotestreamid"));
rtc::scoped_refptr<AudioTrackInterface> remote_track =
rtc::make_ref_counted<FakeAudioTrackWithInitValue>(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_channels = pc->AddVoiceChannel("voice", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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_channels = pc->AddVoiceChannel("audio", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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_channels = pc->AddVoiceChannel("audio", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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_channels = pc->AddVoiceChannel("audio", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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<MediaStream> remote_stream(
MediaStream::Create("remotestreamid"));
rtc::scoped_refptr<AudioTrackInterface> remote_track =
rtc::make_ref_counted<FakeAudioTrack>(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_channels = pc->AddVoiceChannel("audio", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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_channels = pc->AddVoiceChannel("voice", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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<FakeAudioTrack>(kNewTrackId);
pc->AddSender(CreateMockSender(new_audio_track, kSsrcOfTrack));
stream_->AddTrack(
rtc::scoped_refptr<AudioTrackInterface>(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_channels.first->SetStats(new_voice_info);
voice_media_channels.second->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<FakeAudioTrackWithInitValue>(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_channels = pc->AddVoiceChannel("voice", "transport");
voice_media_channels.first->SetStats(voice_info);
voice_media_channels.second->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<absl::optional<std::string>> 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