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webrtc / src / 4c5e72e3e0c8a80c2c0704bb1ab32718d63c7a04 / . / pc / rtc_stats_collector_unittest.cc
blob: 696e071154133cdeac349d4d45355bf4ae4178b0 [file] [log] [blame]
/*
* Copyright 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "pc/rtc_stats_collector.h"
#include <stddef.h>
#include <stdint.h>
#include <algorithm>
#include <initializer_list>
#include <memory>
#include <optional>
#include <ostream>
#include <string>
#include <type_traits>
#include <utility>
#include <vector>
#include "absl/strings/str_replace.h"
#include "api/audio/audio_device.h"
#include "api/audio/audio_processing_statistics.h"
#include "api/candidate.h"
#include "api/dtls_transport_interface.h"
#include "api/media_stream_interface.h"
#include "api/media_stream_track.h"
#include "api/rtp_parameters.h"
#include "api/rtp_transceiver_direction.h"
#include "api/stats/attribute.h"
#include "api/stats/rtc_stats.h"
#include "api/stats/rtc_stats_report.h"
#include "api/stats/rtcstats_objects.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "api/video/recordable_encoded_frame.h"
#include "api/video/video_content_type.h"
#include "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "api/video/video_timing.h"
#include "api/video_codecs/scalability_mode.h"
#include "common_video/include/quality_limitation_reason.h"
#include "media/base/media_channel.h"
#include "modules/rtp_rtcp/include/report_block_data.h"
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "p2p/base/connection_info.h"
#include "p2p/base/ice_transport_internal.h"
#include "p2p/base/p2p_constants.h"
#include "p2p/base/port.h"
#include "pc/media_stream.h"
#include "pc/stream_collection.h"
#include "pc/test/fake_data_channel_controller.h"
#include "pc/test/fake_peer_connection_for_stats.h"
#include "pc/test/mock_data_channel.h"
#include "pc/test/mock_rtp_receiver_internal.h"
#include "pc/test/mock_rtp_sender_internal.h"
#include "pc/test/rtc_stats_obtainer.h"
#include "rtc_base/checks.h"
#include "rtc_base/fake_clock.h"
#include "rtc_base/fake_ssl_identity.h"
#include "rtc_base/gunit.h"
#include "rtc_base/network_constants.h"
#include "rtc_base/ref_counted_object.h"
#include "rtc_base/rtc_certificate.h"
#include "rtc_base/socket_address.h"
#include "rtc_base/ssl_fingerprint.h"
#include "rtc_base/ssl_identity.h"
#include "rtc_base/ssl_stream_adapter.h"
#include "rtc_base/string_encode.h"
#include "rtc_base/strings/json.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/time_utils.h"
#include "test/gmock.h"
#include "test/gtest.h"
using ::testing::_;
using ::testing::AtLeast;
using ::testing::Invoke;
using ::testing::Return;
namespace webrtc {
// These are used by gtest code, such as if `EXPECT_EQ` fails.
void PrintTo(const RTCCertificateStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCCodecStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCDataChannelStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCIceCandidatePairStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCLocalIceCandidateStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCRemoteIceCandidateStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCPeerConnectionStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCInboundRtpStreamStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCOutboundRtpStreamStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCRemoteInboundRtpStreamStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCAudioSourceStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCVideoSourceStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCTransportStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
namespace {
const int64_t kGetStatsReportTimeoutMs = 1000;
// Fake data used by `SetupExampleStatsVoiceGraph()` to fill in remote outbound
// stats.
constexpr Timestamp kRemoteOutboundStatsTimestamp = Timestamp::Millis(123);
constexpr Timestamp kRemoteOutboundStatsRemoteTimestamp =
Timestamp::Millis(456);
constexpr uint32_t kRemoteOutboundStatsPacketsSent = 7u;
constexpr uint64_t kRemoteOutboundStatsBytesSent = 8u;
constexpr uint64_t kRemoteOutboundStatsReportsCount = 9u;
struct CertificateInfo {
rtc::scoped_refptr<rtc::RTCCertificate> certificate;
std::vector<std::string> ders;
std::vector<std::string> pems;
std::vector<std::string> fingerprints;
};
// Return the ID for an object of the given type in a report.
// The object must be present and be unique.
template <typename T>
std::string IdForType(const RTCStatsReport* report) {
auto stats_of_my_type = report->RTCStatsReport::GetStatsOfType<T>();
// We cannot use ASSERT here, since we're within a function.
EXPECT_EQ(1U, stats_of_my_type.size())
<< "Unexpected number of stats of this type";
if (stats_of_my_type.size() == 1) {
return stats_of_my_type[0]->id();
} else {
// Return something that is not going to be a valid stas ID.
return "Type not found";
}
}
std::unique_ptr<CertificateInfo> CreateFakeCertificateAndInfoFromDers(
const std::vector<std::string>& ders) {
RTC_CHECK(!ders.empty());
std::unique_ptr<CertificateInfo> info(new CertificateInfo());
info->ders = ders;
for (const std::string& der : ders) {
info->pems.push_back(rtc::SSLIdentity::DerToPem(
"CERTIFICATE", reinterpret_cast<const unsigned char*>(der.c_str()),
der.length()));
}
info->certificate =
rtc::RTCCertificate::Create(std::unique_ptr<rtc::FakeSSLIdentity>(
new rtc::FakeSSLIdentity(info->pems)));
// Strip header/footer and newline characters of PEM strings.
for (size_t i = 0; i < info->pems.size(); ++i) {
absl::StrReplaceAll({{"-----BEGIN CERTIFICATE-----", ""},
{"-----END CERTIFICATE-----", ""},
{"\n", ""}},
&info->pems[i]);
}
// Fingerprints for the whole certificate chain, starting with leaf
// certificate.
const rtc::SSLCertChain& chain = info->certificate->GetSSLCertificateChain();
std::unique_ptr<rtc::SSLFingerprint> fp;
for (size_t i = 0; i < chain.GetSize(); i++) {
fp = rtc::SSLFingerprint::Create("sha-1", chain.Get(i));
EXPECT_TRUE(fp);
info->fingerprints.push_back(fp->GetRfc4572Fingerprint());
}
EXPECT_EQ(info->ders.size(), info->fingerprints.size());
return info;
}
std::unique_ptr<cricket::Candidate> CreateFakeCandidate(
const std::string& hostname,
int port,
const std::string& protocol,
const rtc::AdapterType adapter_type,
IceCandidateType candidate_type,
uint32_t priority,
const rtc::AdapterType underlying_type_for_vpn =
rtc::ADAPTER_TYPE_UNKNOWN) {
std::unique_ptr<cricket::Candidate> candidate(new cricket::Candidate(
cricket::ICE_CANDIDATE_COMPONENT_RTP, protocol,
rtc::SocketAddress(hostname, port), priority, "iceusernamefragment",
"" /* pwd */, candidate_type, 0 /* generation */, "foundationIsAString"));
candidate->set_network_type(adapter_type);
candidate->set_underlying_type_for_vpn(underlying_type_for_vpn);
return candidate;
}
class FakeAudioProcessor : public AudioProcessorInterface {
public:
FakeAudioProcessor() {}
~FakeAudioProcessor() {}
private:
AudioProcessorInterface::AudioProcessorStatistics GetStats(
bool has_recv_streams) override {
AudioProcessorStatistics stats;
stats.apm_statistics.echo_return_loss = 2.0;
stats.apm_statistics.echo_return_loss_enhancement = 3.0;
return stats;
}
};
class FakeAudioTrackForStats : public MediaStreamTrack<AudioTrackInterface> {
public:
static rtc::scoped_refptr<FakeAudioTrackForStats> Create(
const std::string& id,
MediaStreamTrackInterface::TrackState state,
bool create_fake_audio_processor) {
auto audio_track_stats = rtc::make_ref_counted<FakeAudioTrackForStats>(id);
audio_track_stats->set_state(state);
if (create_fake_audio_processor) {
audio_track_stats->processor_ =
rtc::make_ref_counted<FakeAudioProcessor>();
}
return audio_track_stats;
}
explicit FakeAudioTrackForStats(const std::string& id)
: MediaStreamTrack<AudioTrackInterface>(id) {}
std::string kind() const override {
return MediaStreamTrackInterface::kAudioKind;
}
AudioSourceInterface* GetSource() const override { return nullptr; }
void AddSink(AudioTrackSinkInterface* sink) override {}
void RemoveSink(AudioTrackSinkInterface* sink) override {}
bool GetSignalLevel(int* level) override { return false; }
rtc::scoped_refptr<AudioProcessorInterface> GetAudioProcessor() override {
return processor_;
}
private:
rtc::scoped_refptr<FakeAudioProcessor> processor_;
};
class FakeVideoTrackSourceForStats : public VideoTrackSourceInterface {
public:
static rtc::scoped_refptr<FakeVideoTrackSourceForStats> Create(
int input_width,
int input_height) {
return rtc::make_ref_counted<FakeVideoTrackSourceForStats>(input_width,
input_height);
}
FakeVideoTrackSourceForStats(int input_width, int input_height)
: input_width_(input_width), input_height_(input_height) {}
~FakeVideoTrackSourceForStats() override {}
// VideoTrackSourceInterface
bool is_screencast() const override { return false; }
std::optional<bool> needs_denoising() const override { return false; }
bool GetStats(VideoTrackSourceInterface::Stats* stats) override {
stats->input_width = input_width_;
stats->input_height = input_height_;
return true;
}
// MediaSourceInterface (part of VideoTrackSourceInterface)
MediaSourceInterface::SourceState state() const override {
return MediaSourceInterface::SourceState::kLive;
}
bool remote() const override { return false; }
// NotifierInterface (part of MediaSourceInterface)
void RegisterObserver(ObserverInterface* observer) override {}
void UnregisterObserver(ObserverInterface* observer) override {}
// rtc::VideoSourceInterface<VideoFrame> (part of VideoTrackSourceInterface)
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override {}
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override {}
bool SupportsEncodedOutput() const override { return false; }
void GenerateKeyFrame() override {}
void AddEncodedSink(
rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
void RemoveEncodedSink(
rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
private:
int input_width_;
int input_height_;
};
class FakeVideoTrackForStats : public MediaStreamTrack<VideoTrackInterface> {
public:
static rtc::scoped_refptr<FakeVideoTrackForStats> Create(
const std::string& id,
MediaStreamTrackInterface::TrackState state,
rtc::scoped_refptr<VideoTrackSourceInterface> source) {
auto video_track =
rtc::make_ref_counted<FakeVideoTrackForStats>(id, std::move(source));
video_track->set_state(state);
return video_track;
}
FakeVideoTrackForStats(const std::string& id,
rtc::scoped_refptr<VideoTrackSourceInterface> source)
: MediaStreamTrack<VideoTrackInterface>(id), source_(source) {}
std::string kind() const override {
return MediaStreamTrackInterface::kVideoKind;
}
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override {}
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override {}
VideoTrackSourceInterface* GetSource() const override {
return source_.get();
}
private:
rtc::scoped_refptr<VideoTrackSourceInterface> source_;
};
rtc::scoped_refptr<MediaStreamTrackInterface> CreateFakeTrack(
cricket::MediaType media_type,
const std::string& track_id,
MediaStreamTrackInterface::TrackState track_state,
bool create_fake_audio_processor = false) {
if (media_type == cricket::MEDIA_TYPE_AUDIO) {
return FakeAudioTrackForStats::Create(track_id, track_state,
create_fake_audio_processor);
} else {
RTC_DCHECK_EQ(media_type, cricket::MEDIA_TYPE_VIDEO);
return FakeVideoTrackForStats::Create(track_id, track_state, nullptr);
}
}
rtc::scoped_refptr<MockRtpSenderInternal> CreateMockSender(
cricket::MediaType media_type,
rtc::scoped_refptr<MediaStreamTrackInterface> track,
uint32_t ssrc,
int attachment_id,
std::vector<std::string> local_stream_ids) {
RTC_DCHECK(!track ||
(track->kind() == MediaStreamTrackInterface::kAudioKind &&
media_type == cricket::MEDIA_TYPE_AUDIO) ||
(track->kind() == MediaStreamTrackInterface::kVideoKind &&
media_type == cricket::MEDIA_TYPE_VIDEO));
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(media_type));
EXPECT_CALL(*sender, GetParameters())
.WillRepeatedly(
Invoke([s = sender.get()]() { return s->GetParametersInternal(); }));
EXPECT_CALL(*sender, GetParametersInternal()).WillRepeatedly(Invoke([ssrc]() {
RtpParameters params;
params.encodings.push_back(RtpEncodingParameters());
params.encodings[0].ssrc = ssrc;
return params;
}));
EXPECT_CALL(*sender, AttachmentId()).WillRepeatedly(Return(attachment_id));
EXPECT_CALL(*sender, stream_ids()).WillRepeatedly(Return(local_stream_ids));
EXPECT_CALL(*sender, SetTransceiverAsStopped());
return sender;
}
rtc::scoped_refptr<MockRtpReceiverInternal> CreateMockReceiver(
const rtc::scoped_refptr<MediaStreamTrackInterface>& track,
uint32_t ssrc,
int attachment_id) {
auto receiver = rtc::make_ref_counted<MockRtpReceiverInternal>();
EXPECT_CALL(*receiver, track()).WillRepeatedly(Return(track));
EXPECT_CALL(*receiver, ssrc()).WillRepeatedly(Invoke([ssrc]() {
return ssrc;
}));
EXPECT_CALL(*receiver, streams())
.WillRepeatedly(
Return(std::vector<rtc::scoped_refptr<MediaStreamInterface>>({})));
EXPECT_CALL(*receiver, media_type())
.WillRepeatedly(
Return(track->kind() == MediaStreamTrackInterface::kAudioKind
? cricket::MEDIA_TYPE_AUDIO
: cricket::MEDIA_TYPE_VIDEO));
EXPECT_CALL(*receiver, GetParameters()).WillRepeatedly(Invoke([ssrc]() {
RtpParameters params;
params.encodings.push_back(RtpEncodingParameters());
params.encodings[0].ssrc = ssrc;
return params;
}));
EXPECT_CALL(*receiver, AttachmentId()).WillRepeatedly(Return(attachment_id));
EXPECT_CALL(*receiver, Stop()).WillRepeatedly(Return());
return receiver;
}
class RTCStatsCollectorWrapper {
public:
explicit RTCStatsCollectorWrapper(
rtc::scoped_refptr<FakePeerConnectionForStats> pc,
const Environment& env)
: pc_(pc),
stats_collector_(
RTCStatsCollector::Create(pc.get(),
env,
50 * rtc::kNumMicrosecsPerMillisec)) {}
rtc::scoped_refptr<RTCStatsCollector> stats_collector() {
return stats_collector_;
}
rtc::scoped_refptr<const RTCStatsReport> GetStatsReport() {
rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create();
stats_collector_->GetStatsReport(callback);
return WaitForReport(callback);
}
rtc::scoped_refptr<const RTCStatsReport> GetStatsReportWithSenderSelector(
rtc::scoped_refptr<RtpSenderInternal> selector) {
rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create();
stats_collector_->GetStatsReport(selector, callback);
return WaitForReport(callback);
}
rtc::scoped_refptr<const RTCStatsReport> GetStatsReportWithReceiverSelector(
rtc::scoped_refptr<RtpReceiverInternal> selector) {
rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create();
stats_collector_->GetStatsReport(selector, callback);
return WaitForReport(callback);
}
rtc::scoped_refptr<const RTCStatsReport> GetFreshStatsReport() {
stats_collector_->ClearCachedStatsReport();
return GetStatsReport();
}
rtc::scoped_refptr<MockRtpSenderInternal> SetupLocalTrackAndSender(
cricket::MediaType media_type,
const std::string& track_id,
uint32_t ssrc,
bool add_stream,
int attachment_id) {
rtc::scoped_refptr<MediaStream> local_stream;
if (add_stream) {
local_stream = MediaStream::Create("LocalStreamId");
pc_->mutable_local_streams()->AddStream(local_stream);
}
rtc::scoped_refptr<MediaStreamTrackInterface> track;
if (media_type == cricket::MEDIA_TYPE_AUDIO) {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
if (add_stream) {
local_stream->AddTrack(rtc::scoped_refptr<AudioTrackInterface>(
static_cast<AudioTrackInterface*>(track.get())));
}
} else {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
if (add_stream) {
local_stream->AddTrack(rtc::scoped_refptr<VideoTrackInterface>(
static_cast<VideoTrackInterface*>(track.get())));
}
}
rtc::scoped_refptr<MockRtpSenderInternal> sender =
CreateMockSender(media_type, track, ssrc, attachment_id, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetMediaChannel(_));
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
return sender;
}
rtc::scoped_refptr<MockRtpReceiverInternal> SetupRemoteTrackAndReceiver(
cricket::MediaType media_type,
const std::string& track_id,
const std::string& stream_id,
uint32_t ssrc) {
rtc::scoped_refptr<MediaStream> remote_stream =
MediaStream::Create(stream_id);
pc_->mutable_remote_streams()->AddStream(remote_stream);
rtc::scoped_refptr<MediaStreamTrackInterface> track;
if (media_type == cricket::MEDIA_TYPE_AUDIO) {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
remote_stream->AddTrack(rtc::scoped_refptr<AudioTrackInterface>(
static_cast<AudioTrackInterface*>(track.get())));
} else {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
remote_stream->AddTrack(rtc::scoped_refptr<VideoTrackInterface>(
static_cast<VideoTrackInterface*>(track.get())));
}
rtc::scoped_refptr<MockRtpReceiverInternal> receiver =
CreateMockReceiver(track, ssrc, 62);
EXPECT_CALL(*receiver, streams())
.WillRepeatedly(
Return(std::vector<rtc::scoped_refptr<MediaStreamInterface>>(
{remote_stream})));
EXPECT_CALL(*receiver, SetMediaChannel(_)).WillRepeatedly(Return());
pc_->AddReceiver(receiver);
return receiver;
}
// Attaches tracks to peer connections by configuring RTP senders and RTP
// receivers according to the tracks' pairings with
// |[Voice/Video][Sender/Receiver]Info| and their SSRCs. Local tracks can be
// associated with multiple |[Voice/Video]SenderInfo|s, remote tracks can only
// be associated with one |[Voice/Video]ReceiverInfo|.
// Senders get assigned attachment ID "ssrc + 10".
void CreateMockRtpSendersReceiversAndChannels(
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VoiceSenderInfo>>
local_audio_track_info_pairs,
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VoiceReceiverInfo>>
remote_audio_track_info_pairs,
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VideoSenderInfo>>
local_video_track_info_pairs,
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VideoReceiverInfo>>
remote_video_track_info_pairs,
std::vector<std::string> local_stream_ids,
std::vector<rtc::scoped_refptr<MediaStreamInterface>> remote_streams) {
cricket::VoiceMediaInfo voice_media_info;
cricket::VideoMediaInfo video_media_info;
// Local audio tracks and voice sender infos
for (auto& pair : local_audio_track_info_pairs) {
MediaStreamTrackInterface* local_audio_track = pair.first;
const cricket::VoiceSenderInfo& voice_sender_info = pair.second;
RTC_DCHECK_EQ(local_audio_track->kind(),
MediaStreamTrackInterface::kAudioKind);
voice_media_info.senders.push_back(voice_sender_info);
rtc::scoped_refptr<MockRtpSenderInternal> rtp_sender = CreateMockSender(
cricket::MEDIA_TYPE_AUDIO,
rtc::scoped_refptr<MediaStreamTrackInterface>(local_audio_track),
voice_sender_info.local_stats[0].ssrc,
voice_sender_info.local_stats[0].ssrc + 10, local_stream_ids);
EXPECT_CALL(*rtp_sender, SetMediaChannel(_)).WillRepeatedly(Return());
EXPECT_CALL(*rtp_sender, Stop());
EXPECT_CALL(*rtp_sender, SetSendCodecs(_));
pc_->AddSender(rtp_sender);
}
// Remote audio tracks and voice receiver infos
for (auto& pair : remote_audio_track_info_pairs) {
MediaStreamTrackInterface* remote_audio_track = pair.first;
const cricket::VoiceReceiverInfo& voice_receiver_info = pair.second;
RTC_DCHECK_EQ(remote_audio_track->kind(),
MediaStreamTrackInterface::kAudioKind);
voice_media_info.receivers.push_back(voice_receiver_info);
rtc::scoped_refptr<MockRtpReceiverInternal> rtp_receiver =
CreateMockReceiver(
rtc::scoped_refptr<MediaStreamTrackInterface>(remote_audio_track),
voice_receiver_info.local_stats[0].ssrc,
voice_receiver_info.local_stats[0].ssrc + 10);
EXPECT_CALL(*rtp_receiver, streams())
.WillRepeatedly(Return(remote_streams));
EXPECT_CALL(*rtp_receiver, SetMediaChannel(_)).WillRepeatedly(Return());
pc_->AddReceiver(rtp_receiver);
}
// Local video tracks and video sender infos
for (auto& pair : local_video_track_info_pairs) {
MediaStreamTrackInterface* local_video_track = pair.first;
const cricket::VideoSenderInfo& video_sender_info = pair.second;
RTC_DCHECK_EQ(local_video_track->kind(),
MediaStreamTrackInterface::kVideoKind);
video_media_info.senders.push_back(video_sender_info);
video_media_info.aggregated_senders.push_back(video_sender_info);
rtc::scoped_refptr<MockRtpSenderInternal> rtp_sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO,
rtc::scoped_refptr<MediaStreamTrackInterface>(local_video_track),
video_sender_info.local_stats[0].ssrc,
video_sender_info.local_stats[0].ssrc + 10, local_stream_ids);
EXPECT_CALL(*rtp_sender, SetMediaChannel(_)).WillRepeatedly(Return());
EXPECT_CALL(*rtp_sender, Stop());
EXPECT_CALL(*rtp_sender, SetSendCodecs(_));
pc_->AddSender(rtp_sender);
}
// Remote video tracks and video receiver infos
for (auto& pair : remote_video_track_info_pairs) {
MediaStreamTrackInterface* remote_video_track = pair.first;
const cricket::VideoReceiverInfo& video_receiver_info = pair.second;
RTC_DCHECK_EQ(remote_video_track->kind(),
MediaStreamTrackInterface::kVideoKind);
video_media_info.receivers.push_back(video_receiver_info);
rtc::scoped_refptr<MockRtpReceiverInternal> rtp_receiver =
CreateMockReceiver(
rtc::scoped_refptr<MediaStreamTrackInterface>(remote_video_track),
video_receiver_info.local_stats[0].ssrc,
video_receiver_info.local_stats[0].ssrc + 10);
EXPECT_CALL(*rtp_receiver, streams())
.WillRepeatedly(Return(remote_streams));
EXPECT_CALL(*rtp_receiver, SetMediaChannel(_)).WillRepeatedly(Return());
pc_->AddReceiver(rtp_receiver);
}
pc_->AddVoiceChannel("audio", "transport", voice_media_info);
pc_->AddVideoChannel("video", "transport", video_media_info);
}
private:
rtc::scoped_refptr<const RTCStatsReport> WaitForReport(
rtc::scoped_refptr<RTCStatsObtainer> callback) {
EXPECT_TRUE_WAIT(callback->report() != nullptr, kGetStatsReportTimeoutMs);
int64_t after = rtc::TimeUTCMicros();
for (const RTCStats& stats : *callback->report()) {
if (stats.type() == RTCRemoteInboundRtpStreamStats::kType ||
stats.type() == RTCRemoteOutboundRtpStreamStats::kType) {
// Ignore remote timestamps.
continue;
}
EXPECT_LE(stats.timestamp().us(), after);
}
return callback->report();
}
rtc::scoped_refptr<FakePeerConnectionForStats> pc_;
rtc::scoped_refptr<RTCStatsCollector> stats_collector_;
};
class RTCStatsCollectorTest : public ::testing::Test {
public:
RTCStatsCollectorTest()
: pc_(rtc::make_ref_counted<FakePeerConnectionForStats>()),
stats_(new RTCStatsCollectorWrapper(pc_, CreateEnvironment())),
data_channel_controller_(
new FakeDataChannelController(pc_->network_thread())) {}
void ExpectReportContainsCertificateInfo(
const rtc::scoped_refptr<const RTCStatsReport>& report,
const CertificateInfo& certinfo) {
for (size_t i = 0; i < certinfo.fingerprints.size(); ++i) {
RTCCertificateStats expected_certificate_stats(
"CF" + certinfo.fingerprints[i], report->timestamp());
expected_certificate_stats.fingerprint = certinfo.fingerprints[i];
expected_certificate_stats.fingerprint_algorithm = "sha-1";
expected_certificate_stats.base64_certificate = certinfo.pems[i];
if (i + 1 < certinfo.fingerprints.size()) {
expected_certificate_stats.issuer_certificate_id =
"CF" + certinfo.fingerprints[i + 1];
}
ASSERT_TRUE(report->Get(expected_certificate_stats.id()));
EXPECT_EQ(expected_certificate_stats,
report->Get(expected_certificate_stats.id())
->cast_to<RTCCertificateStats>());
}
}
const RTCCertificateStats* GetCertificateStatsFromFingerprint(
const rtc::scoped_refptr<const RTCStatsReport>& report,
const std::string& fingerprint) {
auto certificates = report->GetStatsOfType<RTCCertificateStats>();
for (const auto* certificate : certificates) {
if (*certificate->fingerprint == fingerprint) {
return certificate;
}
}
return nullptr;
}
struct ExampleStatsGraph {
rtc::scoped_refptr<RtpSenderInternal> sender;
rtc::scoped_refptr<RtpReceiverInternal> receiver;
rtc::scoped_refptr<const RTCStatsReport> full_report;
std::string send_codec_id;
std::string recv_codec_id;
std::string outbound_rtp_id;
std::string inbound_rtp_id;
std::string remote_outbound_rtp_id;
std::string transport_id;
std::string peer_connection_id;
std::string media_source_id;
};
// Sets up the example stats graph (see ASCII art below) for a video only
// call. The graph is used for testing the stats selection algorithm (see
// https://w3c.github.io/webrtc-pc/#dfn-stats-selection-algorithm).
// These tests test the integration of the stats traversal algorithm inside of
// RTCStatsCollector. See rtcstatstraveral_unittest.cc for more stats
// traversal tests.
ExampleStatsGraph SetupExampleStatsGraphForSelectorTests() {
ExampleStatsGraph graph;
// codec (send)
graph.send_codec_id = "COTTransportName1_1";
cricket::VideoMediaInfo video_media_info;
RtpCodecParameters send_codec;
send_codec.payload_type = 1;
send_codec.clock_rate = 0;
video_media_info.send_codecs.insert(
std::make_pair(send_codec.payload_type, send_codec));
// codec (recv)
graph.recv_codec_id = "CITTransportName1_2";
RtpCodecParameters recv_codec;
recv_codec.payload_type = 2;
recv_codec.clock_rate = 0;
video_media_info.receive_codecs.insert(
std::make_pair(recv_codec.payload_type, recv_codec));
// outbound-rtp
graph.outbound_rtp_id = "OTTransportName1V3";
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(
cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = 3;
video_media_info.senders[0].codec_payload_type = send_codec.payload_type;
video_media_info.aggregated_senders.push_back(video_media_info.senders[0]);
// inbound-rtp
graph.inbound_rtp_id = "ITTransportName1V4";
video_media_info.receivers.push_back(cricket::VideoReceiverInfo());
video_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
video_media_info.receivers[0].local_stats[0].ssrc = 4;
video_media_info.receivers[0].codec_payload_type = recv_codec.payload_type;
// transport
graph.transport_id = "TTransportName1";
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
// outbound-rtp's sender
graph.sender = stats_->SetupLocalTrackAndSender(
cricket::MEDIA_TYPE_VIDEO, "LocalVideoTrackID", 3, false, 50);
// inbound-rtp's receiver
graph.receiver = stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", "RemoteStreamId", 4);
// peer-connection
graph.peer_connection_id = "P";
// media-source (kind: video)
graph.media_source_id = "SV" + rtc::ToString(graph.sender->AttachmentId());
// Expected stats graph:
//
// media-source peer-connection
// ^
// |
// +--------- outbound-rtp inbound-rtp
// | | | |
// v v v v
// codec (send) transport codec (recv)
// Verify the stats graph is set up correctly.
graph.full_report = stats_->GetStatsReport();
EXPECT_EQ(graph.full_report->size(), 7u);
EXPECT_TRUE(graph.full_report->Get(graph.send_codec_id));
EXPECT_TRUE(graph.full_report->Get(graph.recv_codec_id));
EXPECT_TRUE(graph.full_report->Get(graph.outbound_rtp_id));
EXPECT_TRUE(graph.full_report->Get(graph.inbound_rtp_id));
EXPECT_TRUE(graph.full_report->Get(graph.transport_id));
EXPECT_TRUE(graph.full_report->Get(graph.peer_connection_id));
EXPECT_TRUE(graph.full_report->Get(graph.media_source_id));
const auto& outbound_rtp = graph.full_report->Get(graph.outbound_rtp_id)
->cast_to<RTCOutboundRtpStreamStats>();
EXPECT_EQ(*outbound_rtp.media_source_id, graph.media_source_id);
EXPECT_EQ(*outbound_rtp.codec_id, graph.send_codec_id);
EXPECT_EQ(*outbound_rtp.transport_id, graph.transport_id);
EXPECT_TRUE(graph.full_report->Get(graph.inbound_rtp_id));
// We can't use an ASSERT in a function returning non-void, so just return.
if (!graph.full_report->Get(graph.inbound_rtp_id)) {
return graph;
}
const auto& inbound_rtp = graph.full_report->Get(graph.inbound_rtp_id)
->cast_to<RTCInboundRtpStreamStats>();
EXPECT_EQ(*inbound_rtp.codec_id, graph.recv_codec_id);
EXPECT_EQ(*inbound_rtp.transport_id, graph.transport_id);
return graph;
}
// Sets up an example stats graph (see ASCII art below) for an audio only call
// and checks that the expected stats are generated.
ExampleStatsGraph SetupExampleStatsVoiceGraph(
bool add_remote_outbound_stats) {
constexpr uint32_t kLocalSsrc = 3;
constexpr uint32_t kRemoteSsrc = 4;
ExampleStatsGraph graph;
// codec (send)
graph.send_codec_id = "COTTransportName1_1";
cricket::VoiceMediaInfo media_info;
RtpCodecParameters send_codec;
send_codec.payload_type = 1;
send_codec.clock_rate = 0;
media_info.send_codecs.insert(
std::make_pair(send_codec.payload_type, send_codec));
// codec (recv)
graph.recv_codec_id = "CITTransportName1_2";
RtpCodecParameters recv_codec;
recv_codec.payload_type = 2;
recv_codec.clock_rate = 0;
media_info.receive_codecs.insert(
std::make_pair(recv_codec.payload_type, recv_codec));
// outbound-rtp
graph.outbound_rtp_id = "OTTransportName1A3";
media_info.senders.push_back(cricket::VoiceSenderInfo());
media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
media_info.senders[0].local_stats[0].ssrc = kLocalSsrc;
media_info.senders[0].codec_payload_type = send_codec.payload_type;
// inbound-rtp
graph.inbound_rtp_id = "ITTransportName1A4";
media_info.receivers.push_back(cricket::VoiceReceiverInfo());
media_info.receivers[0].local_stats.push_back(cricket::SsrcReceiverInfo());
media_info.receivers[0].local_stats[0].ssrc = kRemoteSsrc;
media_info.receivers[0].codec_payload_type = recv_codec.payload_type;
// remote-outbound-rtp
if (add_remote_outbound_stats) {
graph.remote_outbound_rtp_id = "ROA4";
media_info.receivers[0].last_sender_report_utc_timestamp =
kRemoteOutboundStatsTimestamp;
media_info.receivers[0].last_sender_report_remote_utc_timestamp =
kRemoteOutboundStatsRemoteTimestamp;
media_info.receivers[0].sender_reports_packets_sent =
kRemoteOutboundStatsPacketsSent;
media_info.receivers[0].sender_reports_bytes_sent =
kRemoteOutboundStatsBytesSent;
media_info.receivers[0].sender_reports_reports_count =
kRemoteOutboundStatsReportsCount;
}
// transport
graph.transport_id = "TTransportName1";
pc_->AddVoiceChannel("VoiceMid", "TransportName", media_info);
// outbound-rtp's sender
graph.sender = stats_->SetupLocalTrackAndSender(
cricket::MEDIA_TYPE_AUDIO, "LocalAudioTrackID", kLocalSsrc, false, 50);
// inbound-rtp's receiver
graph.receiver = stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", "RemoteStreamId",
kRemoteSsrc);
// peer-connection
graph.peer_connection_id = "P";
// media-source (kind: video)
graph.media_source_id = "SA" + rtc::ToString(graph.sender->AttachmentId());
// Expected stats graph:
//
// media-source peer-connection
// ^
// |
// +--------- outbound-rtp inbound-rtp
// | | | |
// v v v v
// codec (send) transport codec (recv)
// Verify the stats graph is set up correctly.
graph.full_report = stats_->GetStatsReport();
EXPECT_EQ(graph.full_report->size(), add_remote_outbound_stats ? 8u : 7u);
EXPECT_TRUE(graph.full_report->Get(graph.send_codec_id));
EXPECT_TRUE(graph.full_report->Get(graph.recv_codec_id));
EXPECT_TRUE(graph.full_report->Get(graph.outbound_rtp_id));
EXPECT_TRUE(graph.full_report->Get(graph.inbound_rtp_id));
EXPECT_TRUE(graph.full_report->Get(graph.transport_id));
EXPECT_TRUE(graph.full_report->Get(graph.peer_connection_id));
EXPECT_TRUE(graph.full_report->Get(graph.media_source_id));
// `graph.remote_outbound_rtp_id` is omitted on purpose so that expectations
// can be added by the caller depending on what value it sets for the
// `add_remote_outbound_stats` argument.
const auto& outbound_rtp = graph.full_report->Get(graph.outbound_rtp_id)
->cast_to<RTCOutboundRtpStreamStats>();
EXPECT_EQ(*outbound_rtp.media_source_id, graph.media_source_id);
EXPECT_EQ(*outbound_rtp.codec_id, graph.send_codec_id);
EXPECT_EQ(*outbound_rtp.transport_id, graph.transport_id);
EXPECT_TRUE(graph.full_report->Get(graph.inbound_rtp_id));
// We can't use ASSERT in a function with a return value.
if (!graph.full_report->Get(graph.inbound_rtp_id)) {
return graph;
}
const auto& inbound_rtp = graph.full_report->Get(graph.inbound_rtp_id)
->cast_to<RTCInboundRtpStreamStats>();
EXPECT_EQ(*inbound_rtp.codec_id, graph.recv_codec_id);
EXPECT_EQ(*inbound_rtp.transport_id, graph.transport_id);
return graph;
}
protected:
rtc::ScopedFakeClock fake_clock_;
rtc::AutoThread main_thread_;
rtc::scoped_refptr<FakePeerConnectionForStats> pc_;
std::unique_ptr<RTCStatsCollectorWrapper> stats_;
std::unique_ptr<FakeDataChannelController> data_channel_controller_;
};
TEST_F(RTCStatsCollectorTest, SingleCallback) {
rtc::scoped_refptr<const RTCStatsReport> result;
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&result));
EXPECT_TRUE_WAIT(result != nullptr, kGetStatsReportTimeoutMs);
}
TEST_F(RTCStatsCollectorTest, MultipleCallbacks) {
rtc::scoped_refptr<const RTCStatsReport> a, b, c;
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&a));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&b));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&c));
EXPECT_TRUE_WAIT(a != nullptr, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(b != nullptr, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(c != nullptr, kGetStatsReportTimeoutMs);
EXPECT_EQ(a.get(), b.get());
EXPECT_EQ(b.get(), c.get());
}
TEST_F(RTCStatsCollectorTest, CachedStatsReports) {
// Caching should ensure `a` and `b` are the same report.
rtc::scoped_refptr<const RTCStatsReport> a = stats_->GetStatsReport();
rtc::scoped_refptr<const RTCStatsReport> b = stats_->GetStatsReport();
EXPECT_EQ(a.get(), b.get());
// Invalidate cache by clearing it.
stats_->stats_collector()->ClearCachedStatsReport();
rtc::scoped_refptr<const RTCStatsReport> c = stats_->GetStatsReport();
EXPECT_NE(b.get(), c.get());
// Invalidate cache by advancing time.
fake_clock_.AdvanceTime(TimeDelta::Millis(51));
rtc::scoped_refptr<const RTCStatsReport> d = stats_->GetStatsReport();
EXPECT_TRUE(d);
EXPECT_NE(c.get(), d.get());
}
TEST_F(RTCStatsCollectorTest, MultipleCallbacksWithInvalidatedCacheInBetween) {
rtc::scoped_refptr<const RTCStatsReport> a, b, c;
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&a));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&b));
// Cache is invalidated after 50 ms.
fake_clock_.AdvanceTime(TimeDelta::Millis(51));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&c));
EXPECT_TRUE_WAIT(a != nullptr, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(b != nullptr, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(c != nullptr, kGetStatsReportTimeoutMs);
EXPECT_EQ(a.get(), b.get());
// The act of doing `AdvanceTime` processes all messages. If this was not the
// case we might not require `c` to be fresher than `b`.
EXPECT_NE(c.get(), b.get());
}
TEST_F(RTCStatsCollectorTest, ToJsonProducesParseableJson) {
ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests();
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
std::string json_format = report->ToJson();
Json::CharReaderBuilder builder;
Json::Value json_value;
std::unique_ptr<Json::CharReader> reader(builder.newCharReader());
ASSERT_TRUE(reader->parse(json_format.c_str(),
json_format.c_str() + json_format.size(),
&json_value, nullptr));
// A very brief sanity check on the result.
EXPECT_EQ(report->size(), json_value.size());
}
TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsSingle) {
const char kTransportName[] = "transport";
pc_->AddVoiceChannel("audio", kTransportName);
std::unique_ptr<CertificateInfo> local_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(local) single certificate"}));
pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate);
std::unique_ptr<CertificateInfo> remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(remote) single certificate"}));
pc_->SetRemoteCertChain(
kTransportName,
remote_certinfo->certificate->GetSSLCertificateChain().Clone());
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ExpectReportContainsCertificateInfo(report, *local_certinfo);
ExpectReportContainsCertificateInfo(report, *remote_certinfo);
}
// These SSRC collisions are legal.
TEST_F(RTCStatsCollectorTest, ValidSsrcCollisionDoesNotCrash) {
// BUNDLE audio/video inbound/outbound. Unique SSRCs needed within the BUNDLE.
cricket::VoiceMediaInfo mid1_info;
mid1_info.receivers.emplace_back();
mid1_info.receivers[0].add_ssrc(1);
mid1_info.senders.emplace_back();
mid1_info.senders[0].add_ssrc(2);
pc_->AddVoiceChannel("Mid1", "Transport1", mid1_info);
cricket::VideoMediaInfo mid2_info;
mid2_info.receivers.emplace_back();
mid2_info.receivers[0].add_ssrc(3);
mid2_info.senders.emplace_back();
mid2_info.senders[0].add_ssrc(4);
pc_->AddVideoChannel("Mid2", "Transport1", mid2_info);
// Now create a second BUNDLE group with SSRCs colliding with the first group
// (but again no collisions within the group).
cricket::VoiceMediaInfo mid3_info;
mid3_info.receivers.emplace_back();
mid3_info.receivers[0].add_ssrc(1);
mid3_info.senders.emplace_back();
mid3_info.senders[0].add_ssrc(2);
pc_->AddVoiceChannel("Mid3", "Transport2", mid3_info);
cricket::VideoMediaInfo mid4_info;
mid4_info.receivers.emplace_back();
mid4_info.receivers[0].add_ssrc(3);
mid4_info.senders.emplace_back();
mid4_info.senders[0].add_ssrc(4);
pc_->AddVideoChannel("Mid4", "Transport2", mid4_info);
// This should not crash (https://crbug.com/1361612).
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto inbound_rtps = report->GetStatsOfType<RTCInboundRtpStreamStats>();
auto outbound_rtps = report->GetStatsOfType<RTCOutboundRtpStreamStats>();
EXPECT_EQ(inbound_rtps.size(), 4u);
EXPECT_EQ(outbound_rtps.size(), 4u);
}
// These SSRC collisions are illegal, so it is not clear if this setup can
// happen even when talking to a malicious endpoint, but simulate illegal SSRC
// collisions just to make sure we don't crash in even the most extreme cases.
TEST_F(RTCStatsCollectorTest, InvalidSsrcCollisionDoesNotCrash) {
// One SSRC to rule them all.
cricket::VoiceMediaInfo mid1_info;
mid1_info.receivers.emplace_back();
mid1_info.receivers[0].add_ssrc(1);
mid1_info.senders.emplace_back();
mid1_info.senders[0].add_ssrc(1);
pc_->AddVoiceChannel("Mid1", "BundledTransport", mid1_info);
cricket::VideoMediaInfo mid2_info;
mid2_info.receivers.emplace_back();
mid2_info.receivers[0].add_ssrc(1);
mid2_info.senders.emplace_back();
mid2_info.senders[0].add_ssrc(1);
pc_->AddVideoChannel("Mid2", "BundledTransport", mid2_info);
cricket::VoiceMediaInfo mid3_info;
mid3_info.receivers.emplace_back();
mid3_info.receivers[0].add_ssrc(1);
mid3_info.senders.emplace_back();
mid3_info.senders[0].add_ssrc(1);
pc_->AddVoiceChannel("Mid3", "BundledTransport", mid3_info);
cricket::VideoMediaInfo mid4_info;
mid4_info.receivers.emplace_back();
mid4_info.receivers[0].add_ssrc(1);
mid4_info.senders.emplace_back();
mid4_info.senders[0].add_ssrc(1);
pc_->AddVideoChannel("Mid4", "BundledTransport", mid4_info);
// This should not crash (https://crbug.com/1361612).
stats_->GetStatsReport();
// Because this setup is illegal, there is no "right answer" to how the report
// should look. We only care about not crashing.
}
TEST_F(RTCStatsCollectorTest, CollectRTCCodecStatsOnlyIfReferenced) {
// Audio
cricket::VoiceMediaInfo voice_media_info;
RtpCodecParameters inbound_audio_codec;
inbound_audio_codec.payload_type = 1;
inbound_audio_codec.kind = cricket::MEDIA_TYPE_AUDIO;
inbound_audio_codec.name = "opus";
inbound_audio_codec.clock_rate = 1337;
inbound_audio_codec.num_channels = 1;
inbound_audio_codec.parameters = {{"minptime", "10"}, {"useinbandfec", "1"}};
voice_media_info.receive_codecs.insert(
std::make_pair(inbound_audio_codec.payload_type, inbound_audio_codec));
RtpCodecParameters outbound_audio_codec;
outbound_audio_codec.payload_type = 2;
outbound_audio_codec.kind = cricket::MEDIA_TYPE_AUDIO;
outbound_audio_codec.name = "isac";
outbound_audio_codec.clock_rate = 1338;
outbound_audio_codec.num_channels = 2;
voice_media_info.send_codecs.insert(
std::make_pair(outbound_audio_codec.payload_type, outbound_audio_codec));
// Video
cricket::VideoMediaInfo video_media_info;
RtpCodecParameters inbound_video_codec;
inbound_video_codec.payload_type = 3;
inbound_video_codec.kind = cricket::MEDIA_TYPE_VIDEO;
inbound_video_codec.name = "H264";
inbound_video_codec.clock_rate = 1339;
inbound_video_codec.parameters = {{"level-asymmetry-allowed", "1"},
{"packetization-mode", "1"},
{"profile-level-id", "42001f"}};
video_media_info.receive_codecs.insert(
std::make_pair(inbound_video_codec.payload_type, inbound_video_codec));
RtpCodecParameters outbound_video_codec;
outbound_video_codec.payload_type = 4;
outbound_video_codec.kind = cricket::MEDIA_TYPE_VIDEO;
outbound_video_codec.name = "VP8";
outbound_video_codec.clock_rate = 1340;
video_media_info.send_codecs.insert(
std::make_pair(outbound_video_codec.payload_type, outbound_video_codec));
// Ensure the above codecs are referenced.
cricket::VoiceReceiverInfo inbound_audio_info;
inbound_audio_info.add_ssrc(10);
inbound_audio_info.codec_payload_type = 1;
voice_media_info.receivers.push_back(inbound_audio_info);
cricket::VoiceSenderInfo outbound_audio_info;
outbound_audio_info.add_ssrc(20);
outbound_audio_info.codec_payload_type = 2;
voice_media_info.senders.push_back(outbound_audio_info);
cricket::VideoReceiverInfo inbound_video_info;
inbound_video_info.add_ssrc(30);
inbound_video_info.codec_payload_type = 3;
video_media_info.receivers.push_back(inbound_video_info);
cricket::VideoSenderInfo outbound_video_info;
outbound_video_info.add_ssrc(40);
outbound_video_info.codec_payload_type = 4;
video_media_info.senders.push_back(outbound_video_info);
auto audio_channels =
pc_->AddVoiceChannel("AudioMid", "TransportName", voice_media_info);
auto video_channels =
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCCodecStats expected_inbound_audio_codec(
"CITTransportName1_1_minptime=10;useinbandfec=1", report->timestamp());
expected_inbound_audio_codec.payload_type = 1;
expected_inbound_audio_codec.mime_type = "audio/opus";
expected_inbound_audio_codec.clock_rate = 1337;
expected_inbound_audio_codec.channels = 1;
expected_inbound_audio_codec.sdp_fmtp_line = "minptime=10;useinbandfec=1";
expected_inbound_audio_codec.transport_id = "TTransportName1";
RTCCodecStats expected_outbound_audio_codec("COTTransportName1_2",
report->timestamp());
expected_outbound_audio_codec.payload_type = 2;
expected_outbound_audio_codec.mime_type = "audio/isac";
expected_outbound_audio_codec.clock_rate = 1338;
expected_outbound_audio_codec.channels = 2;
expected_outbound_audio_codec.transport_id = "TTransportName1";
RTCCodecStats expected_inbound_video_codec(
"CITTransportName1_3_level-asymmetry-allowed=1;"
"packetization-mode=1;profile-level-id=42001f",
report->timestamp());
expected_inbound_video_codec.payload_type = 3;
expected_inbound_video_codec.mime_type = "video/H264";
expected_inbound_video_codec.clock_rate = 1339;
expected_inbound_video_codec.sdp_fmtp_line =
"level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f";
expected_inbound_video_codec.transport_id = "TTransportName1";
RTCCodecStats expected_outbound_video_codec("COTTransportName1_4",
report->timestamp());
expected_outbound_video_codec.payload_type = 4;
expected_outbound_video_codec.mime_type = "video/VP8";
expected_outbound_video_codec.clock_rate = 1340;
expected_outbound_video_codec.transport_id = "TTransportName1";
ASSERT_TRUE(report->Get(expected_inbound_audio_codec.id()));
EXPECT_EQ(
expected_inbound_audio_codec,
report->Get(expected_inbound_audio_codec.id())->cast_to<RTCCodecStats>());
ASSERT_TRUE(report->Get(expected_outbound_audio_codec.id()));
EXPECT_EQ(expected_outbound_audio_codec,
report->Get(expected_outbound_audio_codec.id())
->cast_to<RTCCodecStats>());
ASSERT_TRUE(report->Get(expected_inbound_video_codec.id()));
EXPECT_EQ(
expected_inbound_video_codec,
report->Get(expected_inbound_video_codec.id())->cast_to<RTCCodecStats>());
ASSERT_TRUE(report->Get(expected_outbound_video_codec.id()));
EXPECT_EQ(expected_outbound_video_codec,
report->Get(expected_outbound_video_codec.id())
->cast_to<RTCCodecStats>());
// Now remove all the RTP streams such that there are no live codecId
// references to the codecs, this should result in none of the RTCCodecStats
// being exposed, despite `send_codecs` and `receive_codecs` still being set.
voice_media_info.senders.clear();
voice_media_info.receivers.clear();
audio_channels.first->SetStats(voice_media_info);
audio_channels.second->SetStats(voice_media_info);
video_media_info.senders.clear();
video_media_info.receivers.clear();
video_channels.first->SetStats(video_media_info);
video_channels.second->SetStats(video_media_info);
stats_->stats_collector()->ClearCachedStatsReport();
report = stats_->GetStatsReport();
EXPECT_FALSE(report->Get(expected_inbound_audio_codec.id()));
EXPECT_FALSE(report->Get(expected_outbound_audio_codec.id()));
EXPECT_FALSE(report->Get(expected_inbound_video_codec.id()));
EXPECT_FALSE(report->Get(expected_outbound_video_codec.id()));
}
TEST_F(RTCStatsCollectorTest, CodecStatsAreCollectedPerTransport) {
// PT=10
RtpCodecParameters outbound_codec_pt10;
outbound_codec_pt10.payload_type = 10;
outbound_codec_pt10.kind = cricket::MEDIA_TYPE_VIDEO;
outbound_codec_pt10.name = "VP8";
outbound_codec_pt10.clock_rate = 9000;
// PT=11
RtpCodecParameters outbound_codec_pt11;
outbound_codec_pt11.payload_type = 11;
outbound_codec_pt11.kind = cricket::MEDIA_TYPE_VIDEO;
outbound_codec_pt11.name = "VP8";
outbound_codec_pt11.clock_rate = 9000;
// Insert codecs into `send_codecs` and ensure the PTs are referenced by RTP
// streams.
cricket::VideoMediaInfo info_pt10;
info_pt10.send_codecs.insert(
std::make_pair(outbound_codec_pt10.payload_type, outbound_codec_pt10));
info_pt10.senders.emplace_back();
info_pt10.senders[0].add_ssrc(42);
info_pt10.senders[0].codec_payload_type = outbound_codec_pt10.payload_type;
cricket::VideoMediaInfo info_pt11;
info_pt11.send_codecs.insert(
std::make_pair(outbound_codec_pt11.payload_type, outbound_codec_pt11));
info_pt11.senders.emplace_back();
info_pt11.senders[0].add_ssrc(43);
info_pt11.senders[0].codec_payload_type = outbound_codec_pt11.payload_type;
cricket::VideoMediaInfo info_pt10_pt11;
info_pt10_pt11.send_codecs.insert(
std::make_pair(outbound_codec_pt10.payload_type, outbound_codec_pt10));
info_pt10_pt11.send_codecs.insert(
std::make_pair(outbound_codec_pt11.payload_type, outbound_codec_pt11));
info_pt10_pt11.senders.emplace_back();
info_pt10_pt11.senders[0].add_ssrc(44);
info_pt10_pt11.senders[0].codec_payload_type =
outbound_codec_pt10.payload_type;
info_pt10_pt11.senders.emplace_back();
info_pt10_pt11.senders[1].add_ssrc(45);
info_pt10_pt11.senders[1].codec_payload_type =
outbound_codec_pt11.payload_type;
// First two mids contain subsets, the third one contains all PTs.
pc_->AddVideoChannel("Mid1", "FirstTransport", info_pt10);
pc_->AddVideoChannel("Mid2", "FirstTransport", info_pt11);
pc_->AddVideoChannel("Mid3", "FirstTransport", info_pt10_pt11);
// There should be no duplicate codecs because all codec references are on the
// same transport.
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto codec_stats = report->GetStatsOfType<RTCCodecStats>();
EXPECT_EQ(codec_stats.size(), 2u);
// If a second transport is added with the same PT information, this does
// count as different codec objects.
pc_->AddVideoChannel("Mid4", "SecondTransport", info_pt10_pt11);
stats_->stats_collector()->ClearCachedStatsReport();
report = stats_->GetStatsReport();
codec_stats = report->GetStatsOfType<RTCCodecStats>();
EXPECT_EQ(codec_stats.size(), 4u);
}
TEST_F(RTCStatsCollectorTest, SamePayloadTypeButDifferentFmtpLines) {
// PT=111, useinbandfec=0
RtpCodecParameters inbound_codec_pt111_nofec;
inbound_codec_pt111_nofec.payload_type = 111;
inbound_codec_pt111_nofec.kind = cricket::MEDIA_TYPE_AUDIO;
inbound_codec_pt111_nofec.name = "opus";
inbound_codec_pt111_nofec.clock_rate = 48000;
inbound_codec_pt111_nofec.parameters.insert(
std::make_pair("useinbandfec", "0"));
// PT=111, useinbandfec=1
RtpCodecParameters inbound_codec_pt111_fec;
inbound_codec_pt111_fec.payload_type = 111;
inbound_codec_pt111_fec.kind = cricket::MEDIA_TYPE_AUDIO;
inbound_codec_pt111_fec.name = "opus";
inbound_codec_pt111_fec.clock_rate = 48000;
inbound_codec_pt111_fec.parameters.insert(
std::make_pair("useinbandfec", "1"));
cricket::VideoMediaInfo info_nofec;
info_nofec.receive_codecs.insert(std::make_pair(
inbound_codec_pt111_nofec.payload_type, inbound_codec_pt111_nofec));
info_nofec.receivers.emplace_back();
info_nofec.receivers[0].add_ssrc(123);
info_nofec.receivers[0].codec_payload_type =
inbound_codec_pt111_nofec.payload_type;
cricket::VideoMediaInfo info_fec;
info_fec.receive_codecs.insert(std::make_pair(
inbound_codec_pt111_fec.payload_type, inbound_codec_pt111_fec));
info_fec.receivers.emplace_back();
info_fec.receivers[0].add_ssrc(321);
info_fec.receivers[0].codec_payload_type =
inbound_codec_pt111_fec.payload_type;
// First two mids contain subsets, the third one contains all PTs.
pc_->AddVideoChannel("Mid1", "BundledTransport", info_nofec);
pc_->AddVideoChannel("Mid2", "BundledTransport", info_fec);
// Despite having the same PT we should see two codec stats because their FMTP
// lines are different.
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto codec_stats = report->GetStatsOfType<RTCCodecStats>();
EXPECT_EQ(codec_stats.size(), 2u);
// Ensure SSRC uniqueness before the next AddVideoChannel() call. SSRCs need
// to be unique on different m= sections when using BUNDLE.
info_nofec.receivers[0].local_stats[0].ssrc = 12;
info_fec.receivers[0].local_stats[0].ssrc = 21;
// Adding more m= sections that does have the same FMTP lines does not result
// in duplicates.
pc_->AddVideoChannel("Mid3", "BundledTransport", info_nofec);
pc_->AddVideoChannel("Mid4", "BundledTransport", info_fec);
stats_->stats_collector()->ClearCachedStatsReport();
report = stats_->GetStatsReport();
codec_stats = report->GetStatsOfType<RTCCodecStats>();
EXPECT_EQ(codec_stats.size(), 2u);
// Same FMTP line but a different PT does count as a new codec.
// PT=112, useinbandfec=1
RtpCodecParameters inbound_codec_pt112_fec;
inbound_codec_pt112_fec.payload_type = 112;
inbound_codec_pt112_fec.kind = cricket::MEDIA_TYPE_AUDIO;
inbound_codec_pt112_fec.name = "opus";
inbound_codec_pt112_fec.clock_rate = 48000;
inbound_codec_pt112_fec.parameters.insert(
std::make_pair("useinbandfec", "1"));
cricket::VideoMediaInfo info_fec_pt112;
info_fec_pt112.receive_codecs.insert(std::make_pair(
inbound_codec_pt112_fec.payload_type, inbound_codec_pt112_fec));
info_fec_pt112.receivers.emplace_back();
info_fec_pt112.receivers[0].add_ssrc(112);
info_fec_pt112.receivers[0].codec_payload_type =
inbound_codec_pt112_fec.payload_type;
pc_->AddVideoChannel("Mid5", "BundledTransport", info_fec_pt112);
stats_->stats_collector()->ClearCachedStatsReport();
report = stats_->GetStatsReport();
codec_stats = report->GetStatsOfType<RTCCodecStats>();
EXPECT_EQ(codec_stats.size(), 3u);
}
TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsMultiple) {
const char kAudioTransport[] = "audio";
const char kVideoTransport[] = "video";
pc_->AddVoiceChannel("audio", kAudioTransport);
std::unique_ptr<CertificateInfo> audio_local_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(local) audio"}));
pc_->SetLocalCertificate(kAudioTransport, audio_local_certinfo->certificate);
std::unique_ptr<CertificateInfo> audio_remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(remote) audio"}));
pc_->SetRemoteCertChain(
kAudioTransport,
audio_remote_certinfo->certificate->GetSSLCertificateChain().Clone());
pc_->AddVideoChannel("video", kVideoTransport);
std::unique_ptr<CertificateInfo> video_local_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(local) video"}));
pc_->SetLocalCertificate(kVideoTransport, video_local_certinfo->certificate);
std::unique_ptr<CertificateInfo> video_remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(remote) video"}));
pc_->SetRemoteCertChain(
kVideoTransport,
video_remote_certinfo->certificate->GetSSLCertificateChain().Clone());
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ExpectReportContainsCertificateInfo(report, *audio_local_certinfo);
ExpectReportContainsCertificateInfo(report, *audio_remote_certinfo);
ExpectReportContainsCertificateInfo(report, *video_local_certinfo);
ExpectReportContainsCertificateInfo(report, *video_remote_certinfo);
}
TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsChain) {
const char kTransportName[] = "transport";
pc_->AddVoiceChannel("audio", kTransportName);
std::unique_ptr<CertificateInfo> local_certinfo =
CreateFakeCertificateAndInfoFromDers(
{"(local) this", "(local) is", "(local) a", "(local) chain"});
pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate);
std::unique_ptr<CertificateInfo> remote_certinfo =
CreateFakeCertificateAndInfoFromDers({"(remote) this", "(remote) is",
"(remote) another",
"(remote) chain"});
pc_->SetRemoteCertChain(
kTransportName,
remote_certinfo->certificate->GetSSLCertificateChain().Clone());
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ExpectReportContainsCertificateInfo(report, *local_certinfo);
ExpectReportContainsCertificateInfo(report, *remote_certinfo);
}
TEST_F(RTCStatsCollectorTest, CertificateStatsCache) {
const char kTransportName[] = "transport";
rtc::ScopedFakeClock fake_clock;
pc_->AddVoiceChannel("audio", kTransportName);
// Set local and remote cerificates.
std::unique_ptr<CertificateInfo> initial_local_certinfo =
CreateFakeCertificateAndInfoFromDers({"LocalCertA", "LocalCertB"});
pc_->SetLocalCertificate(kTransportName, initial_local_certinfo->certificate);
std::unique_ptr<CertificateInfo> initial_remote_certinfo =
CreateFakeCertificateAndInfoFromDers({"RemoteCertA", "RemoteCertB"});
pc_->SetRemoteCertChain(
kTransportName,
initial_remote_certinfo->certificate->GetSSLCertificateChain().Clone());
ASSERT_EQ(initial_local_certinfo->fingerprints.size(), 2u);
ASSERT_EQ(initial_remote_certinfo->fingerprints.size(), 2u);
rtc::scoped_refptr<const RTCStatsReport> first_report =
stats_->GetStatsReport();
const auto* first_local_cert0 = GetCertificateStatsFromFingerprint(
first_report, initial_local_certinfo->fingerprints[0]);
const auto* first_local_cert1 = GetCertificateStatsFromFingerprint(
first_report, initial_local_certinfo->fingerprints[1]);
const auto* first_remote_cert0 = GetCertificateStatsFromFingerprint(
first_report, initial_remote_certinfo->fingerprints[0]);
const auto* first_remote_cert1 = GetCertificateStatsFromFingerprint(
first_report, initial_remote_certinfo->fingerprints[1]);
ASSERT_TRUE(first_local_cert0);
ASSERT_TRUE(first_local_cert1);
ASSERT_TRUE(first_remote_cert0);
ASSERT_TRUE(first_remote_cert1);
EXPECT_EQ(first_local_cert0->timestamp().us(), rtc::TimeMicros());
EXPECT_EQ(first_local_cert1->timestamp().us(), rtc::TimeMicros());
EXPECT_EQ(first_remote_cert0->timestamp().us(), rtc::TimeMicros());
EXPECT_EQ(first_remote_cert1->timestamp().us(), rtc::TimeMicros());
// Replace all certificates.
std::unique_ptr<CertificateInfo> updated_local_certinfo =
CreateFakeCertificateAndInfoFromDers(
{"UpdatedLocalCertA", "UpdatedLocalCertB"});
pc_->SetLocalCertificate(kTransportName, updated_local_certinfo->certificate);
std::unique_ptr<CertificateInfo> updated_remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
{"UpdatedRemoteCertA", "UpdatedRemoteCertB"});
pc_->SetRemoteCertChain(
kTransportName,
updated_remote_certinfo->certificate->GetSSLCertificateChain().Clone());
// This test assumes fingerprints are different for the old and new
// certificates.
EXPECT_NE(initial_local_certinfo->fingerprints,
updated_local_certinfo->fingerprints);
EXPECT_NE(initial_remote_certinfo->fingerprints,
updated_remote_certinfo->fingerprints);
// Advance time to ensure a fresh stats report, but don't clear the
// certificate stats cache.
fake_clock.AdvanceTime(TimeDelta::Seconds(1));
rtc::scoped_refptr<const RTCStatsReport> second_report =
stats_->GetStatsReport();
// We expect to see the same certificates as before due to not clearing the
// certificate cache.
const auto* second_local_cert0 =
second_report->GetAs<RTCCertificateStats>(first_local_cert0->id());
const auto* second_local_cert1 =
second_report->GetAs<RTCCertificateStats>(first_local_cert1->id());
const auto* second_remote_cert0 =
second_report->GetAs<RTCCertificateStats>(first_remote_cert0->id());
const auto* second_remote_cert1 =
second_report->GetAs<RTCCertificateStats>(first_remote_cert1->id());
ASSERT_TRUE(second_local_cert0);
ASSERT_TRUE(second_local_cert1);
ASSERT_TRUE(second_remote_cert0);
ASSERT_TRUE(second_remote_cert1);
// The information in the certificate stats are obsolete.
EXPECT_EQ(*second_local_cert0->fingerprint,
initial_local_certinfo->fingerprints[0]);
EXPECT_EQ(*second_local_cert1->fingerprint,
initial_local_certinfo->fingerprints[1]);
EXPECT_EQ(*second_remote_cert0->fingerprint,
initial_remote_certinfo->fingerprints[0]);
EXPECT_EQ(*second_remote_cert1->fingerprint,
initial_remote_certinfo->fingerprints[1]);
// But timestamps are up-to-date, because this is a fresh stats report.
EXPECT_EQ(second_local_cert0->timestamp().us(), rtc::TimeMicros());
EXPECT_EQ(second_local_cert1->timestamp().us(), rtc::TimeMicros());
EXPECT_EQ(second_remote_cert0->timestamp().us(), rtc::TimeMicros());
EXPECT_EQ(second_remote_cert1->timestamp().us(), rtc::TimeMicros());
// The updated certificates are not part of the report yet.
EXPECT_FALSE(GetCertificateStatsFromFingerprint(
second_report, updated_local_certinfo->fingerprints[0]));
EXPECT_FALSE(GetCertificateStatsFromFingerprint(
second_report, updated_local_certinfo->fingerprints[1]));
EXPECT_FALSE(GetCertificateStatsFromFingerprint(
second_report, updated_remote_certinfo->fingerprints[0]));
EXPECT_FALSE(GetCertificateStatsFromFingerprint(
second_report, updated_remote_certinfo->fingerprints[1]));
// Clear the cache, including the cached certificates.
stats_->stats_collector()->ClearCachedStatsReport();
rtc::scoped_refptr<const RTCStatsReport> third_report =
stats_->GetStatsReport();
// Now the old certificates stats should be deleted.
EXPECT_FALSE(third_report->Get(first_local_cert0->id()));
EXPECT_FALSE(third_report->Get(first_local_cert1->id()));
EXPECT_FALSE(third_report->Get(first_remote_cert0->id()));
EXPECT_FALSE(third_report->Get(first_remote_cert1->id()));
// And updated certificates exist.
EXPECT_TRUE(GetCertificateStatsFromFingerprint(
third_report, updated_local_certinfo->fingerprints[0]));
EXPECT_TRUE(GetCertificateStatsFromFingerprint(
third_report, updated_local_certinfo->fingerprints[1]));
EXPECT_TRUE(GetCertificateStatsFromFingerprint(
third_report, updated_remote_certinfo->fingerprints[0]));
EXPECT_TRUE(GetCertificateStatsFromFingerprint(
third_report, updated_remote_certinfo->fingerprints[1]));
}
TEST_F(RTCStatsCollectorTest, CollectTwoRTCDataChannelStatsWithPendingId) {
// Note: The test assumes data channel IDs are predictable.
// This is not a safe assumption, but in order to make it work for
// the test, we reset the ID allocator at test start.
SctpDataChannel::ResetInternalIdAllocatorForTesting(-1);
pc_->AddSctpDataChannel(rtc::make_ref_counted<MockSctpDataChannel>(
data_channel_controller_->weak_ptr(), /*id=*/-1,
DataChannelInterface::kConnecting));
pc_->AddSctpDataChannel(rtc::make_ref_counted<MockSctpDataChannel>(
data_channel_controller_->weak_ptr(), /*id=*/-1,
DataChannelInterface::kConnecting));
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCDataChannelStats expected_data_channel0("D0", Timestamp::Zero());
// Default values from MockDataChannel.
expected_data_channel0.label = "MockSctpDataChannel";
expected_data_channel0.protocol = "someProtocol";
expected_data_channel0.state = "connecting";
expected_data_channel0.messages_sent = 0;
expected_data_channel0.bytes_sent = 0;
expected_data_channel0.messages_received = 0;
expected_data_channel0.bytes_received = 0;
ASSERT_TRUE(report->Get(expected_data_channel0.id()));
EXPECT_EQ(
expected_data_channel0,
report->Get(expected_data_channel0.id())->cast_to<RTCDataChannelStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCDataChannelStats) {
// Note: The test assumes data channel IDs are predictable.
// This is not a safe assumption, but in order to make it work for
// the test, we reset the ID allocator at test start.
SctpDataChannel::ResetInternalIdAllocatorForTesting(-1);
pc_->AddSctpDataChannel(rtc::make_ref_counted<MockSctpDataChannel>(
data_channel_controller_->weak_ptr(), 0, "MockSctpDataChannel0",
DataChannelInterface::kConnecting, "proto1", 1, 2, 3, 4));
RTCDataChannelStats expected_data_channel0("D0", Timestamp::Zero());
expected_data_channel0.label = "MockSctpDataChannel0";
expected_data_channel0.protocol = "proto1";
expected_data_channel0.data_channel_identifier = 0;
expected_data_channel0.state = "connecting";
expected_data_channel0.messages_sent = 1;
expected_data_channel0.bytes_sent = 2;
expected_data_channel0.messages_received = 3;
expected_data_channel0.bytes_received = 4;
pc_->AddSctpDataChannel(rtc::make_ref_counted<MockSctpDataChannel>(
data_channel_controller_->weak_ptr(), 1, "MockSctpDataChannel1",
DataChannelInterface::kOpen, "proto2", 5, 6, 7, 8));
RTCDataChannelStats expected_data_channel1("D1", Timestamp::Zero());
expected_data_channel1.label = "MockSctpDataChannel1";
expected_data_channel1.protocol = "proto2";
expected_data_channel1.data_channel_identifier = 1;
expected_data_channel1.state = "open";
expected_data_channel1.messages_sent = 5;
expected_data_channel1.bytes_sent = 6;
expected_data_channel1.messages_received = 7;
expected_data_channel1.bytes_received = 8;
pc_->AddSctpDataChannel(rtc::make_ref_counted<MockSctpDataChannel>(
data_channel_controller_->weak_ptr(), 2, "MockSctpDataChannel2",
DataChannelInterface::kClosing, "proto1", 9, 10, 11, 12));
RTCDataChannelStats expected_data_channel2("D2", Timestamp::Zero());
expected_data_channel2.label = "MockSctpDataChannel2";
expected_data_channel2.protocol = "proto1";
expected_data_channel2.data_channel_identifier = 2;
expected_data_channel2.state = "closing";
expected_data_channel2.messages_sent = 9;
expected_data_channel2.bytes_sent = 10;
expected_data_channel2.messages_received = 11;
expected_data_channel2.bytes_received = 12;
pc_->AddSctpDataChannel(rtc::make_ref_counted<MockSctpDataChannel>(
data_channel_controller_->weak_ptr(), 3, "MockSctpDataChannel3",
DataChannelInterface::kClosed, "proto3", 13, 14, 15, 16));
RTCDataChannelStats expected_data_channel3("D3", Timestamp::Zero());
expected_data_channel3.label = "MockSctpDataChannel3";
expected_data_channel3.protocol = "proto3";
expected_data_channel3.data_channel_identifier = 3;
expected_data_channel3.state = "closed";
expected_data_channel3.messages_sent = 13;
expected_data_channel3.bytes_sent = 14;
expected_data_channel3.messages_received = 15;
expected_data_channel3.bytes_received = 16;
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get(expected_data_channel0.id()));
EXPECT_EQ(
expected_data_channel0,
report->Get(expected_data_channel0.id())->cast_to<RTCDataChannelStats>());
ASSERT_TRUE(report->Get(expected_data_channel1.id()));
EXPECT_EQ(
expected_data_channel1,
report->Get(expected_data_channel1.id())->cast_to<RTCDataChannelStats>());
ASSERT_TRUE(report->Get(expected_data_channel2.id()));
EXPECT_EQ(
expected_data_channel2,
report->Get(expected_data_channel2.id())->cast_to<RTCDataChannelStats>());
ASSERT_TRUE(report->Get(expected_data_channel3.id()));
EXPECT_EQ(
expected_data_channel3,
report->Get(expected_data_channel3.id())->cast_to<RTCDataChannelStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidateStats) {
// Candidates in the first transport stats.
std::unique_ptr<cricket::Candidate> a_local_host = CreateFakeCandidate(
"1.2.3.4", 5, "a_local_host's protocol", rtc::ADAPTER_TYPE_VPN,
IceCandidateType::kHost, 0, rtc::ADAPTER_TYPE_ETHERNET);
RTCLocalIceCandidateStats expected_a_local_host("I" + a_local_host->id(),
Timestamp::Zero());
expected_a_local_host.transport_id = "Ta0";
expected_a_local_host.network_type = "vpn";
expected_a_local_host.ip = "1.2.3.4";
expected_a_local_host.address = "1.2.3.4";
expected_a_local_host.port = 5;
expected_a_local_host.protocol = "a_local_host's protocol";
expected_a_local_host.candidate_type = "host";
expected_a_local_host.priority = 0;
expected_a_local_host.vpn = true;
expected_a_local_host.network_adapter_type = "ethernet";
expected_a_local_host.foundation = "foundationIsAString";
expected_a_local_host.username_fragment = "iceusernamefragment";
std::unique_ptr<cricket::Candidate> a_remote_srflx = CreateFakeCandidate(
"6.7.8.9", 10, "remote_srflx's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
IceCandidateType::kSrflx, 1);
RTCRemoteIceCandidateStats expected_a_remote_srflx("I" + a_remote_srflx->id(),
Timestamp::Zero());
expected_a_remote_srflx.transport_id = "Ta0";
expected_a_remote_srflx.ip = "6.7.8.9";
expected_a_remote_srflx.address = "6.7.8.9";
expected_a_remote_srflx.port = 10;
expected_a_remote_srflx.protocol = "remote_srflx's protocol";
expected_a_remote_srflx.candidate_type = "srflx";
expected_a_remote_srflx.priority = 1;
expected_a_remote_srflx.foundation = "foundationIsAString";
expected_a_remote_srflx.username_fragment = "iceusernamefragment";
std::unique_ptr<cricket::Candidate> a_local_prflx = CreateFakeCandidate(
"11.12.13.14", 15, "a_local_prflx's protocol",
rtc::ADAPTER_TYPE_CELLULAR_2G, IceCandidateType::kPrflx, 2);
RTCLocalIceCandidateStats expected_a_local_prflx("I" + a_local_prflx->id(),
Timestamp::Zero());
expected_a_local_prflx.transport_id = "Ta0";
expected_a_local_prflx.network_type = "cellular";
expected_a_local_prflx.ip = "11.12.13.14";
expected_a_local_prflx.address = "11.12.13.14";
expected_a_local_prflx.port = 15;
expected_a_local_prflx.protocol = "a_local_prflx's protocol";
expected_a_local_prflx.candidate_type = "prflx";
expected_a_local_prflx.priority = 2;
expected_a_local_prflx.vpn = false;
expected_a_local_prflx.network_adapter_type = "cellular2g";
expected_a_local_prflx.foundation = "foundationIsAString";
expected_a_local_prflx.username_fragment = "iceusernamefragment";
std::unique_ptr<cricket::Candidate> a_remote_relay = CreateFakeCandidate(
"16.17.18.19", 20, "a_remote_relay's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
IceCandidateType::kRelay, 3);
RTCRemoteIceCandidateStats expected_a_remote_relay("I" + a_remote_relay->id(),
Timestamp::Zero());
expected_a_remote_relay.transport_id = "Ta0";
expected_a_remote_relay.ip = "16.17.18.19";
expected_a_remote_relay.address = "16.17.18.19";
expected_a_remote_relay.port = 20;
expected_a_remote_relay.protocol = "a_remote_relay's protocol";
expected_a_remote_relay.candidate_type = "relay";
expected_a_remote_relay.priority = 3;
expected_a_remote_relay.foundation = "foundationIsAString";
expected_a_remote_relay.username_fragment = "iceusernamefragment";
std::unique_ptr<cricket::Candidate> a_local_relay = CreateFakeCandidate(
"16.17.18.19", 21, "a_local_relay's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
IceCandidateType::kRelay, 1);
a_local_relay->set_relay_protocol("tcp");
a_local_relay->set_url("turn:url1");
RTCLocalIceCandidateStats expected_a_local_relay("I" + a_local_relay->id(),
Timestamp::Zero());
expected_a_local_relay.transport_id = "Ta0";
expected_a_local_relay.network_type = "unknown";
expected_a_local_relay.ip = "16.17.18.19";
expected_a_local_relay.address = "16.17.18.19";
expected_a_local_relay.port = 21;
expected_a_local_relay.protocol = "a_local_relay's protocol";
expected_a_local_relay.relay_protocol = "tcp";
expected_a_local_relay.candidate_type = "relay";
expected_a_local_relay.priority = 1;
expected_a_local_relay.url = "turn:url1";
expected_a_local_relay.vpn = false;
expected_a_local_relay.network_adapter_type = "unknown";
expected_a_local_relay.foundation = "foundationIsAString";
expected_a_local_relay.username_fragment = "iceusernamefragment";
std::unique_ptr<cricket::Candidate> a_local_relay_prflx = CreateFakeCandidate(
"11.12.13.20", 22, "a_local_relay_prflx's protocol",
rtc::ADAPTER_TYPE_UNKNOWN, IceCandidateType::kPrflx, 1);
a_local_relay_prflx->set_relay_protocol("udp");
RTCLocalIceCandidateStats expected_a_local_relay_prflx(
"I" + a_local_relay_prflx->id(), Timestamp::Zero());
expected_a_local_relay_prflx.transport_id = "Ta0";
expected_a_local_relay_prflx.network_type = "unknown";
expected_a_local_relay_prflx.ip = "11.12.13.20";
expected_a_local_relay_prflx.address = "11.12.13.20";
expected_a_local_relay_prflx.port = 22;
expected_a_local_relay_prflx.protocol = "a_local_relay_prflx's protocol";
expected_a_local_relay_prflx.relay_protocol = "udp";
expected_a_local_relay_prflx.candidate_type = "prflx";
expected_a_local_relay_prflx.priority = 1;
expected_a_local_relay_prflx.vpn = false;
expected_a_local_relay_prflx.network_adapter_type = "unknown";
expected_a_local_relay_prflx.foundation = "foundationIsAString";
expected_a_local_relay_prflx.username_fragment = "iceusernamefragment";
// A non-paired local candidate.
std::unique_ptr<cricket::Candidate> a_local_host_not_paired =
CreateFakeCandidate("1.2.3.4", 4404, "a_local_host_not_paired's protocol",
rtc::ADAPTER_TYPE_VPN, IceCandidateType::kHost, 0,
rtc::ADAPTER_TYPE_ETHERNET);
RTCLocalIceCandidateStats expected_a_local_host_not_paired(
"I" + a_local_host_not_paired->id(), Timestamp::Zero());
expected_a_local_host_not_paired.transport_id = "Ta0";
expected_a_local_host_not_paired.network_type = "vpn";
expected_a_local_host_not_paired.ip = "1.2.3.4";
expected_a_local_host_not_paired.address = "1.2.3.4";
expected_a_local_host_not_paired.port = 4404;
expected_a_local_host_not_paired.protocol =
"a_local_host_not_paired's protocol";
expected_a_local_host_not_paired.candidate_type = "host";
expected_a_local_host_not_paired.priority = 0;
expected_a_local_host_not_paired.vpn = true;
expected_a_local_host_not_paired.network_adapter_type = "ethernet";
expected_a_local_host_not_paired.foundation = "foundationIsAString";
expected_a_local_host_not_paired.username_fragment = "iceusernamefragment";
// Candidates in the second transport stats.
std::unique_ptr<cricket::Candidate> b_local =
CreateFakeCandidate("42.42.42.42", 42, "b_local's protocol",
rtc::ADAPTER_TYPE_WIFI, IceCandidateType::kHost, 42);
RTCLocalIceCandidateStats expected_b_local("I" + b_local->id(),
Timestamp::Zero());
expected_b_local.transport_id = "Tb0";
expected_b_local.network_type = "wifi";
expected_b_local.ip = "42.42.42.42";
expected_b_local.address = "42.42.42.42";
expected_b_local.port = 42;
expected_b_local.protocol = "b_local's protocol";
expected_b_local.candidate_type = "host";
expected_b_local.priority = 42;
expected_b_local.vpn = false;
expected_b_local.network_adapter_type = "wifi";
expected_b_local.foundation = "foundationIsAString";
expected_b_local.username_fragment = "iceusernamefragment";
std::unique_ptr<cricket::Candidate> b_remote = CreateFakeCandidate(
"42.42.42.42", 42, "b_remote's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
IceCandidateType::kHost, 42);
RTCRemoteIceCandidateStats expected_b_remote("I" + b_remote->id(),
Timestamp::Zero());
expected_b_remote.transport_id = "Tb0";
expected_b_remote.ip = "42.42.42.42";
expected_b_remote.address = "42.42.42.42";
expected_b_remote.port = 42;
expected_b_remote.protocol = "b_remote's protocol";
expected_b_remote.candidate_type = "host";
expected_b_remote.priority = 42;
expected_b_remote.foundation = "foundationIsAString";
expected_b_remote.username_fragment = "iceusernamefragment";
// Add candidate pairs to connection.
cricket::TransportChannelStats a_transport_channel_stats;
a_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
cricket::ConnectionInfo());
a_transport_channel_stats.ice_transport_stats.connection_infos[0]
.local_candidate = *a_local_host.get();
a_transport_channel_stats.ice_transport_stats.connection_infos[0]
.remote_candidate = *a_remote_srflx.get();
a_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
cricket::ConnectionInfo());
a_transport_channel_stats.ice_transport_stats.connection_infos[1]
.local_candidate = *a_local_prflx.get();
a_transport_channel_stats.ice_transport_stats.connection_infos[1]
.remote_candidate = *a_remote_relay.get();
a_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
cricket::ConnectionInfo());
a_transport_channel_stats.ice_transport_stats.connection_infos[2]
.local_candidate = *a_local_relay.get();
a_transport_channel_stats.ice_transport_stats.connection_infos[2]
.remote_candidate = *a_remote_relay.get();
a_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
cricket::ConnectionInfo());
a_transport_channel_stats.ice_transport_stats.connection_infos[3]
.local_candidate = *a_local_relay_prflx.get();
a_transport_channel_stats.ice_transport_stats.connection_infos[3]
.remote_candidate = *a_remote_relay.get();
a_transport_channel_stats.ice_transport_stats.candidate_stats_list.push_back(
cricket::CandidateStats(*a_local_host_not_paired.get()));
pc_->AddVoiceChannel("audio", "a");
pc_->SetTransportStats("a", a_transport_channel_stats);
cricket::TransportChannelStats b_transport_channel_stats;
b_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
cricket::ConnectionInfo());
b_transport_channel_stats.ice_transport_stats.connection_infos[0]
.local_candidate = *b_local.get();
b_transport_channel_stats.ice_transport_stats.connection_infos[0]
.remote_candidate = *b_remote.get();
pc_->AddVideoChannel("video", "b");
pc_->SetTransportStats("b", b_transport_channel_stats);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get(expected_a_local_host.id()));
EXPECT_EQ(expected_a_local_host, report->Get(expected_a_local_host.id())
->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_local_host_not_paired.id()));
EXPECT_EQ(expected_a_local_host_not_paired,
report->Get(expected_a_local_host_not_paired.id())
->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_remote_srflx.id()));
EXPECT_EQ(expected_a_remote_srflx,
report->Get(expected_a_remote_srflx.id())
->cast_to<RTCRemoteIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_local_prflx.id()));
EXPECT_EQ(expected_a_local_prflx, report->Get(expected_a_local_prflx.id())
->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_remote_relay.id()));
EXPECT_EQ(expected_a_remote_relay,
report->Get(expected_a_remote_relay.id())
->cast_to<RTCRemoteIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_local_relay.id()));
EXPECT_EQ(expected_a_local_relay, report->Get(expected_a_local_relay.id())
->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_local_relay_prflx.id()));
EXPECT_EQ(expected_a_local_relay_prflx,
report->Get(expected_a_local_relay_prflx.id())
->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_b_local.id()));
EXPECT_EQ(
expected_b_local,
report->Get(expected_b_local.id())->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_b_remote.id()));
EXPECT_EQ(expected_b_remote, report->Get(expected_b_remote.id())
->cast_to<RTCRemoteIceCandidateStats>());
EXPECT_TRUE(report->Get("Ta0"));
EXPECT_TRUE(report->Get("Tb0"));
}
TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidatePairStats) {
const char kTransportName[] = "transport";
std::unique_ptr<cricket::Candidate> local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
IceCandidateType::kHost, 42);
local_candidate->set_username("local_iceusernamefragment");
std::unique_ptr<cricket::Candidate> remote_candidate = CreateFakeCandidate(
"42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_UNKNOWN,
IceCandidateType::kSrflx, 42);
remote_candidate->set_related_address(rtc::SocketAddress("192.168.2.1", 43));
remote_candidate->set_username("remote_iceusernamefragment");
cricket::ConnectionInfo connection_info;
connection_info.best_connection = false;
connection_info.local_candidate = *local_candidate.get();
connection_info.remote_candidate = *remote_candidate.get();
connection_info.writable = true;
connection_info.sent_discarded_packets = 3;
connection_info.sent_total_packets = 10;
connection_info.packets_received = 51;
connection_info.sent_discarded_bytes = 7;
connection_info.sent_total_bytes = 42;
connection_info.recv_total_bytes = 1234;
connection_info.total_round_trip_time_ms = 0;
connection_info.current_round_trip_time_ms = std::nullopt;
connection_info.recv_ping_requests = 2020;
connection_info.sent_ping_requests_total = 2222;
connection_info.sent_ping_requests_before_first_response = 2000;
connection_info.recv_ping_responses = 4321;
connection_info.sent_ping_responses = 1000;
connection_info.state = cricket::IceCandidatePairState::IN_PROGRESS;
connection_info.priority = 5555;
connection_info.nominated = false;
connection_info.last_data_received = Timestamp::Millis(2500);
connection_info.last_data_sent = Timestamp::Millis(5200);
cricket::TransportChannelStats transport_channel_stats;
transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
transport_channel_stats.ice_transport_stats.connection_infos.push_back(
connection_info);
pc_->AddVideoChannel("video", kTransportName);
pc_->SetTransportStats(kTransportName, transport_channel_stats);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCIceCandidatePairStats expected_pair(
"CP" + local_candidate->id() + "_" + remote_candidate->id(),
report->timestamp());
expected_pair.transport_id =
"Ttransport" + rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP);
expected_pair.local_candidate_id = "I" + local_candidate->id();
expected_pair.remote_candidate_id = "I" + remote_candidate->id();
expected_pair.state = "in-progress";
expected_pair.priority = 5555;
expected_pair.nominated = false;
expected_pair.writable = true;
expected_pair.packets_sent = 7;
expected_pair.packets_received = 51;
expected_pair.packets_discarded_on_send = 3;
expected_pair.bytes_sent = 42;
expected_pair.bytes_received = 1234;
expected_pair.bytes_discarded_on_send = 7;
expected_pair.total_round_trip_time = 0.0;
expected_pair.requests_received = 2020;
expected_pair.requests_sent = 2222;
expected_pair.responses_received = 4321;
expected_pair.responses_sent = 1000;
expected_pair.consent_requests_sent = (2222 - 2000);
expected_pair.last_packet_received_timestamp = 2500;
expected_pair.last_packet_sent_timestamp = 5200;
// `expected_pair.current_round_trip_time` should be undefined because the
// current RTT is not set.
// `expected_pair.available_[outgoing/incoming]_bitrate` should be undefined
// because is is not the current pair.
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
// Set nominated and "GetStats" again.
transport_channel_stats.ice_transport_stats.connection_infos[0].nominated =
true;
pc_->SetTransportStats(kTransportName, transport_channel_stats);
report = stats_->GetFreshStatsReport();
expected_pair.nominated = true;
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
// Set round trip times and "GetStats" again.
transport_channel_stats.ice_transport_stats.connection_infos[0]
.total_round_trip_time_ms = 7331;
transport_channel_stats.ice_transport_stats.connection_infos[0]
.current_round_trip_time_ms = 1337;
pc_->SetTransportStats(kTransportName, transport_channel_stats);
report = stats_->GetFreshStatsReport();
expected_pair.total_round_trip_time = 7.331;
expected_pair.current_round_trip_time = 1.337;
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
// Make pair the current pair, clear bandwidth and "GetStats" again.
transport_channel_stats.ice_transport_stats.connection_infos[0]
.best_connection = true;
pc_->SetTransportStats(kTransportName, transport_channel_stats);
report = stats_->GetFreshStatsReport();
// |expected_pair.available_[outgoing/incoming]_bitrate| should still be
// undefined because bandwidth is not set.
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
// Set bandwidth and "GetStats" again.
Call::Stats call_stats;
const int kSendBandwidth = 888;
call_stats.send_bandwidth_bps = kSendBandwidth;
const int kRecvBandwidth = 999;
call_stats.recv_bandwidth_bps = kRecvBandwidth;
pc_->SetCallStats(call_stats);
report = stats_->GetFreshStatsReport();
expected_pair.available_outgoing_bitrate = kSendBandwidth;
expected_pair.available_incoming_bitrate = kRecvBandwidth;
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
RTCLocalIceCandidateStats expected_local_candidate(
*expected_pair.local_candidate_id, report->timestamp());
expected_local_candidate.transport_id = *expected_pair.transport_id;
expected_local_candidate.network_type = "wifi";
expected_local_candidate.ip = "42.42.42.42";
expected_local_candidate.address = "42.42.42.42";
expected_local_candidate.port = 42;
expected_local_candidate.protocol = "protocol";
expected_local_candidate.candidate_type = "host";
expected_local_candidate.priority = 42;
expected_local_candidate.foundation = "foundationIsAString";
expected_local_candidate.username_fragment = "local_iceusernamefragment";
expected_local_candidate.vpn = false;
expected_local_candidate.network_adapter_type = "wifi";
ASSERT_TRUE(report->Get(expected_local_candidate.id()));
EXPECT_EQ(expected_local_candidate,
report->Get(expected_local_candidate.id())
->cast_to<RTCLocalIceCandidateStats>());
RTCRemoteIceCandidateStats expected_remote_candidate(
*expected_pair.remote_candidate_id, report->timestamp());
expected_remote_candidate.transport_id = *expected_pair.transport_id;
expected_remote_candidate.ip = "42.42.42.42";
expected_remote_candidate.address = "42.42.42.42";
expected_remote_candidate.port = 42;
expected_remote_candidate.protocol = "protocol";
expected_remote_candidate.candidate_type = "srflx";
expected_remote_candidate.priority = 42;
expected_remote_candidate.foundation = "foundationIsAString";
expected_remote_candidate.username_fragment = "remote_iceusernamefragment";
expected_remote_candidate.related_address = "192.168.2.1";
expected_remote_candidate.related_port = 43;
ASSERT_TRUE(report->Get(expected_remote_candidate.id()));
EXPECT_EQ(expected_remote_candidate,
report->Get(expected_remote_candidate.id())
->cast_to<RTCRemoteIceCandidateStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCPeerConnectionStats) {
{
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCPeerConnectionStats expected("P", report->timestamp());
expected.data_channels_opened = 0;
expected.data_channels_closed = 0;
ASSERT_TRUE(report->Get("P"));
EXPECT_EQ(expected, report->Get("P")->cast_to<RTCPeerConnectionStats>());
}
FakeDataChannelController controller(pc_->network_thread());
rtc::scoped_refptr<SctpDataChannel> dummy_channel_a = SctpDataChannel::Create(
controller.weak_ptr(), "DummyChannelA", false, InternalDataChannelInit(),
rtc::Thread::Current(), rtc::Thread::Current());
rtc::scoped_refptr<SctpDataChannel> dummy_channel_b = SctpDataChannel::Create(
controller.weak_ptr(), "DummyChannelB", false, InternalDataChannelInit(),
rtc::Thread::Current(), rtc::Thread::Current());
stats_->stats_collector()->OnSctpDataChannelStateChanged(
dummy_channel_a->internal_id(), DataChannelInterface::DataState::kOpen);
// Closing a channel that is not opened should not affect the counts.
stats_->stats_collector()->OnSctpDataChannelStateChanged(
dummy_channel_b->internal_id(), DataChannelInterface::DataState::kClosed);
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("P", report->timestamp());
expected.data_channels_opened = 1;
expected.data_channels_closed = 0;
ASSERT_TRUE(report->Get("P"));
EXPECT_EQ(expected, report->Get("P")->cast_to<RTCPeerConnectionStats>());
}
stats_->stats_collector()->OnSctpDataChannelStateChanged(
dummy_channel_b->internal_id(), DataChannelInterface::DataState::kOpen);
stats_->stats_collector()->OnSctpDataChannelStateChanged(
dummy_channel_b->internal_id(), DataChannelInterface::DataState::kClosed);
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("P", report->timestamp());
expected.data_channels_opened = 2;
expected.data_channels_closed = 1;
ASSERT_TRUE(report->Get("P"));
EXPECT_EQ(expected, report->Get("P")->cast_to<RTCPeerConnectionStats>());
}
// Re-opening a data channel (or opening a new data channel that is re-using
// the same address in memory) should increase the opened count.
stats_->stats_collector()->OnSctpDataChannelStateChanged(
dummy_channel_b->internal_id(), DataChannelInterface::DataState::kOpen);
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("P", report->timestamp());
expected.data_channels_opened = 3;
expected.data_channels_closed = 1;
ASSERT_TRUE(report->Get("P"));
EXPECT_EQ(expected, report->Get("P")->cast_to<RTCPeerConnectionStats>());
}
stats_->stats_collector()->OnSctpDataChannelStateChanged(
dummy_channel_a->internal_id(), DataChannelInterface::DataState::kClosed);
stats_->stats_collector()->OnSctpDataChannelStateChanged(
dummy_channel_b->internal_id(), DataChannelInterface::DataState::kClosed);
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("P", report->timestamp());
expected.data_channels_opened = 3;
expected.data_channels_closed = 3;
ASSERT_TRUE(report->Get("P"));
EXPECT_EQ(expected, report->Get("P")->cast_to<RTCPeerConnectionStats>());
}
}
TEST_F(RTCStatsCollectorTest, CollectRTCInboundRtpStreamStats_Audio) {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.receivers.push_back(cricket::VoiceReceiverInfo());
voice_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
voice_media_info.receivers[0].local_stats[0].ssrc = 1;
voice_media_info.receivers[0].packets_lost = -1; // Signed per RFC3550
voice_media_info.receivers[0].packets_discarded = 7788;
voice_media_info.receivers[0].packets_received = 2;
voice_media_info.receivers[0].nacks_sent = 5;
voice_media_info.receivers[0].fec_packets_discarded = 5566;
voice_media_info.receivers[0].fec_packets_received = 6677;
voice_media_info.receivers[0].payload_bytes_received = 3;
voice_media_info.receivers[0].header_and_padding_bytes_received = 4;
voice_media_info.receivers[0].codec_payload_type = 42;
voice_media_info.receivers[0].jitter_ms = 4500;
voice_media_info.receivers[0].jitter_buffer_delay_seconds = 1.0;
voice_media_info.receivers[0].jitter_buffer_target_delay_seconds = 1.1;
voice_media_info.receivers[0].jitter_buffer_minimum_delay_seconds = 0.999;
voice_media_info.receivers[0].jitter_buffer_emitted_count = 2;
voice_media_info.receivers[0].total_samples_received = 3;
voice_media_info.receivers[0].concealed_samples = 4;
voice_media_info.receivers[0].silent_concealed_samples = 5;
voice_media_info.receivers[0].concealment_events = 6;
voice_media_info.receivers[0].inserted_samples_for_deceleration = 7;
voice_media_info.receivers[0].removed_samples_for_acceleration = 8;
voice_media_info.receivers[0].audio_level = 14442; // [0,32767]
voice_media_info.receivers[0].total_output_energy = 10.0;
voice_media_info.receivers[0].total_output_duration = 11.0;
voice_media_info.receivers[0].jitter_buffer_flushes = 7;
voice_media_info.receivers[0].delayed_packet_outage_samples = 15;
voice_media_info.receivers[0].relative_packet_arrival_delay_seconds = 16;
voice_media_info.receivers[0].interruption_count = 7788;
voice_media_info.receivers[0].total_interruption_duration_ms = 778899;
voice_media_info.receivers[0].last_packet_received = std::nullopt;
voice_media_info.receivers[0].total_processing_delay_seconds = 0.123;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
voice_media_info.receive_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
auto voice_media_channels =
pc_->AddVoiceChannel("AudioMid", "TransportName", voice_media_info);
stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", "RemoteStreamId", 1);
// Needed for playoutId to be populated.
pc_->SetAudioDeviceStats(AudioDeviceModule::Stats());
pc_->GetTransceiversInternal()[0]->internal()->set_current_direction(
RtpTransceiverDirection::kSendRecv);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCInboundRtpStreamStats expected_audio("ITTransportName1A1",
report->timestamp());
expected_audio.ssrc = 1;
expected_audio.kind = "audio";
expected_audio.track_identifier = "RemoteAudioTrackID";
expected_audio.mid = "AudioMid";
expected_audio.transport_id = "TTransportName1";
expected_audio.codec_id = "CITTransportName1_42";
expected_audio.packets_received = 2;
expected_audio.nack_count = 5;
expected_audio.fec_packets_discarded = 5566;
expected_audio.fec_packets_received = 6677;
expected_audio.bytes_received = 3;
expected_audio.header_bytes_received = 4;
expected_audio.packets_lost = -1;
expected_audio.packets_discarded = 7788;
// `expected_audio.last_packet_received_timestamp` should be undefined.
expected_audio.jitter = 4.5;
expected_audio.jitter_buffer_delay = 1.0;
expected_audio.jitter_buffer_target_delay = 1.1;
expected_audio.jitter_buffer_minimum_delay = 0.999;
expected_audio.jitter_buffer_emitted_count = 2;
expected_audio.total_samples_received = 3;
expected_audio.concealed_samples = 4;
expected_audio.silent_concealed_samples = 5;
expected_audio.concealment_events = 6;
expected_audio.inserted_samples_for_deceleration = 7;
expected_audio.removed_samples_for_acceleration = 8;
expected_audio.audio_level = 14442.0 / 32767.0; // [0,1]
expected_audio.total_audio_energy = 10.0;
expected_audio.total_samples_duration = 11.0;
expected_audio.jitter_buffer_flushes = 7;
expected_audio.delayed_packet_outage_samples = 15;
expected_audio.relative_packet_arrival_delay = 16;
expected_audio.interruption_count = 7788;
expected_audio.total_interruption_duration = 778.899;
expected_audio.total_processing_delay = 0.123;
expected_audio.playout_id = "AP";
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCInboundRtpStreamStats>(),
expected_audio);
// Set previously undefined values and "GetStats" again.
voice_media_info.receivers[0].last_packet_received = Timestamp::Seconds(3);
expected_audio.last_packet_received_timestamp = 3000.0;
voice_media_info.receivers[0].estimated_playout_ntp_timestamp_ms = 4567;
expected_audio.estimated_playout_timestamp = 4567;
voice_media_channels.first->SetStats(voice_media_info);
voice_media_channels.second->SetStats(voice_media_info);
report = stats_->GetFreshStatsReport();
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCInboundRtpStreamStats>(),
expected_audio);
EXPECT_TRUE(report->Get(*expected_audio.transport_id));
EXPECT_TRUE(report->Get(*expected_audio.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCInboundRtpStreamStats_Audio_PlayoutId) {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.receivers.push_back(cricket::VoiceReceiverInfo());
voice_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
voice_media_info.receivers[0].local_stats[0].ssrc = 1;
pc_->AddVoiceChannel("AudioMid", "TransportName", voice_media_info);
stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", "RemoteStreamId", 1);
// Needed for playoutId to be populated.
pc_->SetAudioDeviceStats(AudioDeviceModule::Stats());
{
// We do not expect a playout id when only sending.
pc_->GetTransceiversInternal()[0]->internal()->set_current_direction(
RtpTransceiverDirection::kSendOnly);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get("ITTransportName1A1"));
auto stats =
report->Get("ITTransportName1A1")->cast_to<RTCInboundRtpStreamStats>();
ASSERT_FALSE(stats.playout_id.has_value());
}
{
// We do expect a playout id when receiving.
pc_->GetTransceiversInternal()[0]->internal()->set_current_direction(
RtpTransceiverDirection::kRecvOnly);
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
ASSERT_TRUE(report->Get("ITTransportName1A1"));
auto stats =
report->Get("ITTransportName1A1")->cast_to<RTCInboundRtpStreamStats>();
ASSERT_TRUE(stats.playout_id.has_value());
EXPECT_EQ(*stats.playout_id, "AP");
}
}
TEST_F(RTCStatsCollectorTest, CollectRTCInboundRtpStreamStats_Video) {
cricket::VideoMediaInfo video_media_info;
video_media_info.receivers.push_back(cricket::VideoReceiverInfo());
video_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
video_media_info.receivers[0].local_stats[0].ssrc = 1;
video_media_info.receivers[0].packets_received = 2;
video_media_info.receivers[0].packets_lost = 42;
video_media_info.receivers[0].payload_bytes_received = 3;
video_media_info.receivers[0].header_and_padding_bytes_received = 12;
video_media_info.receivers[0].codec_payload_type = 42;
video_media_info.receivers[0].firs_sent = 5;
video_media_info.receivers[0].plis_sent = 6;
video_media_info.receivers[0].nacks_sent = 7;
video_media_info.receivers[0].frames_received = 8;
video_media_info.receivers[0].frames_decoded = 9;
video_media_info.receivers[0].key_frames_decoded = 3;
video_media_info.receivers[0].frames_dropped = 13;
video_media_info.receivers[0].qp_sum = std::nullopt;
video_media_info.receivers[0].corruption_score_sum = std::nullopt;
video_media_info.receivers[0].corruption_score_squared_sum = std::nullopt;
video_media_info.receivers[0].total_decode_time = TimeDelta::Seconds(9);
video_media_info.receivers[0].total_processing_delay = TimeDelta::Millis(600);
video_media_info.receivers[0].total_assembly_time = TimeDelta::Millis(500);
video_media_info.receivers[0].frames_assembled_from_multiple_packets = 23;
video_media_info.receivers[0].total_inter_frame_delay = 0.123;
video_media_info.receivers[0].total_squared_inter_frame_delay = 0.00456;
video_media_info.receivers[0].pause_count = 2;
video_media_info.receivers[0].total_pauses_duration_ms = 10000;
video_media_info.receivers[0].freeze_count = 3;
video_media_info.receivers[0].total_freezes_duration_ms = 1000;
video_media_info.receivers[0].jitter_ms = 1199;
video_media_info.receivers[0].jitter_buffer_delay_seconds = 3.456;
video_media_info.receivers[0].jitter_buffer_target_delay_seconds = 1.1;
video_media_info.receivers[0].jitter_buffer_minimum_delay_seconds = 0.999;
video_media_info.receivers[0].jitter_buffer_emitted_count = 13;
video_media_info.receivers[0].last_packet_received = std::nullopt;
video_media_info.receivers[0].content_type = VideoContentType::UNSPECIFIED;
video_media_info.receivers[0].estimated_playout_ntp_timestamp_ms =
std::nullopt;
video_media_info.receivers[0].decoder_implementation_name = std::nullopt;
video_media_info.receivers[0].min_playout_delay_ms = 50;
video_media_info.receivers[0].power_efficient_decoder = false;
video_media_info.receivers[0].retransmitted_packets_received = 17;
video_media_info.receivers[0].retransmitted_bytes_received = 62;
video_media_info.receivers[0].fec_packets_received = 32;
video_media_info.receivers[0].fec_bytes_received = 54;
video_media_info.receivers[0].ssrc_groups.push_back(
{cricket::kFidSsrcGroupSemantics, {1, 4404}});
video_media_info.receivers[0].ssrc_groups.push_back(
{cricket::kFecFrSsrcGroupSemantics, {1, 5505}});
// Note: these two values intentionally differ,
// only the decoded one should show up.
video_media_info.receivers[0].framerate_received = 15;
video_media_info.receivers[0].framerate_decoded = 5;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_VIDEO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
video_media_info.receive_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
auto video_media_channels =
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", "RemoteStreamId", 1);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCInboundRtpStreamStats expected_video("ITTransportName1V1",
report->timestamp());
expected_video.ssrc = 1;
expected_video.kind = "video";
expected_video.track_identifier = "RemoteVideoTrackID";
expected_video.mid = "VideoMid";
expected_video.transport_id = "TTransportName1";
expected_video.codec_id = "CITTransportName1_42";
expected_video.fir_count = 5;
expected_video.pli_count = 6;
expected_video.nack_count = 7;
expected_video.packets_received = 2;
expected_video.bytes_received = 3;
expected_video.header_bytes_received = 12;
expected_video.packets_lost = 42;
expected_video.frames_received = 8;
expected_video.frames_decoded = 9;
expected_video.key_frames_decoded = 3;
expected_video.frames_dropped = 13;
// `expected_video.qp_sum` should be undefined.
// `corruption_score` related metrics should be undefined.
expected_video.total_decode_time = 9.0;
expected_video.total_processing_delay = 0.6;
expected_video.total_assembly_time = 0.5;
expected_video.frames_assembled_from_multiple_packets = 23;
expected_video.total_inter_frame_delay = 0.123;
expected_video.total_squared_inter_frame_delay = 0.00456;
expected_video.pause_count = 2;
expected_video.total_pauses_duration = 10;
expected_video.freeze_count = 3;
expected_video.total_freezes_duration = 1;
expected_video.jitter = 1.199;
expected_video.jitter_buffer_delay = 3.456;
expected_video.jitter_buffer_target_delay = 1.1;
expected_video.jitter_buffer_minimum_delay = 0.999;
expected_video.jitter_buffer_emitted_count = 13;
// `expected_video.last_packet_received_timestamp` should be undefined.
// `expected_video.content_type` should be undefined.
// `expected_video.decoder_implementation` should be undefined.
expected_video.min_playout_delay = 0.05;
expected_video.frames_per_second = 5;
expected_video.power_efficient_decoder = false;
expected_video.retransmitted_packets_received = 17;
expected_video.retransmitted_bytes_received = 62;
expected_video.fec_packets_received = 32;
expected_video.fec_bytes_received = 54;
expected_video.rtx_ssrc = 4404;
expected_video.fec_ssrc = 5505;
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(
report->Get(expected_video.id())->cast_to<RTCInboundRtpStreamStats>(),
expected_video);
// Set previously undefined values and "GetStats" again.
video_media_info.receivers[0].qp_sum = 9;
expected_video.qp_sum = 9;
video_media_info.receivers[0].corruption_score_sum = 0.5;
video_media_info.receivers[0].corruption_score_squared_sum = 0.25;
video_media_info.receivers[0].corruption_score_count = 5;
expected_video.total_corruption_probability = 0.5;
expected_video.total_squared_corruption_probability = 0.25;
expected_video.corruption_measurements = 5;
video_media_info.receivers[0].last_packet_received = Timestamp::Seconds(1);
expected_video.last_packet_received_timestamp = 1000.0;
video_media_info.receivers[0].content_type = VideoContentType::SCREENSHARE;
expected_video.content_type = "screenshare";
video_media_info.receivers[0].estimated_playout_ntp_timestamp_ms = 1234;
expected_video.estimated_playout_timestamp = 1234;
video_media_info.receivers[0].decoder_implementation_name = "libfoodecoder";
expected_video.decoder_implementation = "libfoodecoder";
video_media_info.receivers[0].power_efficient_decoder = true;
expected_video.power_efficient_decoder = true;
video_media_channels.first->SetStats(video_media_info);
video_media_channels.second->SetStats(video_media_info);
report = stats_->GetFreshStatsReport();
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(
report->Get(expected_video.id())->cast_to<RTCInboundRtpStreamStats>(),
expected_video);
EXPECT_TRUE(report->Get(*expected_video.transport_id));
EXPECT_TRUE(report->Get(*expected_video.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCAudioPlayoutStats) {
AudioDeviceModule::Stats audio_device_stats;
audio_device_stats.synthesized_samples_duration_s = 1;
audio_device_stats.synthesized_samples_events = 2;
audio_device_stats.total_samples_count = 3;
audio_device_stats.total_samples_duration_s = 4;
audio_device_stats.total_playout_delay_s = 5;
pc_->SetAudioDeviceStats(audio_device_stats);
pc_->AddVoiceChannel("AudioMid", "TransportName", {});
stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", "RemoteStreamId", 1);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto stats_of_track_type = report->GetStatsOfType<RTCAudioPlayoutStats>();
ASSERT_EQ(1U, stats_of_track_type.size());
RTCAudioPlayoutStats expected_stats("AP", report->timestamp());
expected_stats.kind = "audio";
expected_stats.synthesized_samples_duration = 1;
expected_stats.synthesized_samples_events = 2;
expected_stats.total_samples_count = 3;
expected_stats.total_samples_duration = 4;
expected_stats.total_playout_delay = 5;
ASSERT_TRUE(report->Get(expected_stats.id()));
EXPECT_EQ(report->Get(expected_stats.id())->cast_to<RTCAudioPlayoutStats>(),
expected_stats);
}
TEST_F(RTCStatsCollectorTest, CollectGoogTimingFrameInfo) {
cricket::VideoMediaInfo video_media_info;
video_media_info.receivers.push_back(cricket::VideoReceiverInfo());
video_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
video_media_info.receivers[0].local_stats[0].ssrc = 1;
TimingFrameInfo timing_frame_info;
timing_frame_info.rtp_timestamp = 1;
timing_frame_info.capture_time_ms = 2;
timing_frame_info.encode_start_ms = 3;
timing_frame_info.encode_finish_ms = 4;
timing_frame_info.packetization_finish_ms = 5;
timing_frame_info.pacer_exit_ms = 6;
timing_frame_info.network_timestamp_ms = 7;
timing_frame_info.network2_timestamp_ms = 8;
timing_frame_info.receive_start_ms = 9;
timing_frame_info.receive_finish_ms = 10;
timing_frame_info.decode_start_ms = 11;
timing_frame_info.decode_finish_ms = 12;
timing_frame_info.render_time_ms = 13;
timing_frame_info.flags = 14;
video_media_info.receivers[0].timing_frame_info = timing_frame_info;
pc_->AddVideoChannel("Mid0", "Transport0", video_media_info);
stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", "RemoteStreamId", 1);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto inbound_rtps = report->GetStatsOfType<RTCInboundRtpStreamStats>();
ASSERT_EQ(inbound_rtps.size(), 1u);
ASSERT_TRUE(inbound_rtps[0]->goog_timing_frame_info.has_value());
EXPECT_EQ(*inbound_rtps[0]->goog_timing_frame_info,
"1,2,3,4,5,6,7,8,9,10,11,12,13,1,0");
}
TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRtpStreamStats_Audio) {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = 1;
voice_media_info.senders[0].packets_sent = 2;
voice_media_info.senders[0].total_packet_send_delay = TimeDelta::Seconds(1);
voice_media_info.senders[0].retransmitted_packets_sent = 20;
voice_media_info.senders[0].payload_bytes_sent = 3;
voice_media_info.senders[0].header_and_padding_bytes_sent = 12;
voice_media_info.senders[0].retransmitted_bytes_sent = 30;
voice_media_info.senders[0].nacks_received = 31;
voice_media_info.senders[0].target_bitrate = 32000;
voice_media_info.senders[0].codec_payload_type = 42;
voice_media_info.senders[0].active = true;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
voice_media_info.send_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
pc_->AddVoiceChannel("AudioMid", "TransportName", voice_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO,
"LocalAudioTrackID", 1, true,
/*attachment_id=*/50);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCOutboundRtpStreamStats expected_audio("OTTransportName1A1",
report->timestamp());
expected_audio.media_source_id = "SA50";
// `expected_audio.remote_id` should be undefined.
expected_audio.mid = "AudioMid";
expected_audio.ssrc = 1;
expected_audio.kind = "audio";
expected_audio.transport_id = "TTransportName1";
expected_audio.codec_id = "COTTransportName1_42";
expected_audio.packets_sent = 2;
expected_audio.total_packet_send_delay = 1;
expected_audio.retransmitted_packets_sent = 20;
expected_audio.bytes_sent = 3;
expected_audio.header_bytes_sent = 12;
expected_audio.retransmitted_bytes_sent = 30;
expected_audio.nack_count = 31;
expected_audio.target_bitrate = 32000;
expected_audio.active = true;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCOutboundRtpStreamStats>(),
expected_audio);
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCOutboundRtpStreamStats>(),
expected_audio);
EXPECT_TRUE(report->Get(*expected_audio.transport_id));
EXPECT_TRUE(report->Get(*expected_audio.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRtpStreamStats_Video) {
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = 1;
video_media_info.senders[0].firs_received = 2;
video_media_info.senders[0].plis_received = 3;
video_media_info.senders[0].nacks_received = 4;
video_media_info.senders[0].packets_sent = 5;
video_media_info.senders[0].retransmitted_packets_sent = 50;
video_media_info.senders[0].payload_bytes_sent = 6;
video_media_info.senders[0].header_and_padding_bytes_sent = 12;
video_media_info.senders[0].retransmitted_bytes_sent = 60;
video_media_info.senders[0].codec_payload_type = 42;
video_media_info.senders[0].frames_encoded = 8;
video_media_info.senders[0].key_frames_encoded = 3;
video_media_info.senders[0].total_encode_time_ms = 9000;
video_media_info.senders[0].total_encoded_bytes_target = 1234;
video_media_info.senders[0].total_packet_send_delay = TimeDelta::Seconds(10);
video_media_info.senders[0].quality_limitation_reason =
QualityLimitationReason::kBandwidth;
video_media_info.senders[0]
.quality_limitation_durations_ms[QualityLimitationReason::kBandwidth] =
300;
video_media_info.senders[0].quality_limitation_resolution_changes = 56u;
video_media_info.senders[0].qp_sum = std::nullopt;
video_media_info.senders[0].content_type = VideoContentType::UNSPECIFIED;
video_media_info.senders[0].encoder_implementation_name = std::nullopt;
video_media_info.senders[0].power_efficient_encoder = false;
video_media_info.senders[0].send_frame_width = 200;
video_media_info.senders[0].send_frame_height = 100;
video_media_info.senders[0].framerate_sent = 10;
video_media_info.senders[0].frames_sent = 5;
video_media_info.senders[0].huge_frames_sent = 2;
video_media_info.senders[0].active = false;
video_media_info.senders[0].scalability_mode = ScalabilityMode::kL3T3_KEY;
video_media_info.senders[0].ssrc_groups.push_back(
{cricket::kFidSsrcGroupSemantics, {1, 4404}});
video_media_info.aggregated_senders.push_back(video_media_info.senders[0]);
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
video_media_info.send_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
auto video_media_channels =
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_VIDEO,
"LocalVideoTrackID", 1, true,
/*attachment_id=*/50);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto stats_of_my_type = report->GetStatsOfType<RTCOutboundRtpStreamStats>();
ASSERT_EQ(1U, stats_of_my_type.size());
RTCOutboundRtpStreamStats expected_video(stats_of_my_type[0]->id(),
report->timestamp());
expected_video.media_source_id = "SV50";
// `expected_video.remote_id` should be undefined.
expected_video.mid = "VideoMid";
expected_video.ssrc = 1;
expected_video.kind = "video";
expected_video.transport_id = "TTransportName1";
expected_video.codec_id = "COTTransportName1_42";
expected_video.fir_count = 2;
expected_video.pli_count = 3;
expected_video.nack_count = 4;
expected_video.packets_sent = 5;
expected_video.retransmitted_packets_sent = 50;
expected_video.bytes_sent = 6;
expected_video.header_bytes_sent = 12;
expected_video.retransmitted_bytes_sent = 60;
expected_video.frames_encoded = 8;
expected_video.key_frames_encoded = 3;
expected_video.total_encode_time = 9.0;
expected_video.total_encoded_bytes_target = 1234;
expected_video.total_packet_send_delay = 10.0;
expected_video.quality_limitation_reason = "bandwidth";
expected_video.quality_limitation_durations = std::map<std::string, double>{
std::pair<std::string, double>{"bandwidth", 0.3},
};
expected_video.quality_limitation_resolution_changes = 56u;
expected_video.frame_width = 200u;
expected_video.frame_height = 100u;
expected_video.frames_per_second = 10.0;
expected_video.frames_sent = 5;
expected_video.huge_frames_sent = 2;
expected_video.active = false;
expected_video.power_efficient_encoder = false;
expected_video.scalability_mode = "L3T3_KEY";
expected_video.rtx_ssrc = 4404;
// `expected_video.content_type` should be undefined.
// `expected_video.qp_sum` should be undefined.
// `expected_video.encoder_implementation` should be undefined.
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(
report->Get(expected_video.id())->cast_to<RTCOutboundRtpStreamStats>(),
expected_video);
// Set previously undefined values and "GetStats" again.
video_media_info.senders[0].qp_sum = 9;
expected_video.qp_sum = 9;
video_media_info.senders[0].content_type = VideoContentType::SCREENSHARE;
expected_video.content_type = "screenshare";
video_media_info.senders[0].encoder_implementation_name = "libfooencoder";
video_media_info.aggregated_senders[0] = video_media_info.senders[0];
expected_video.encoder_implementation = "libfooencoder";
video_media_info.senders[0].power_efficient_encoder = true;
expected_video.power_efficient_encoder = true;
video_media_channels.first->SetStats(video_media_info);
video_media_channels.second->SetStats(video_media_info);
report = stats_->GetFreshStatsReport();
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(
report->Get(expected_video.id())->cast_to<RTCOutboundRtpStreamStats>(),
expected_video);
EXPECT_TRUE(report->Get(*expected_video.transport_id));
EXPECT_TRUE(report->Get(*expected_video.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCTransportStats) {
const char kTransportName[] = "transport";
pc_->AddVoiceChannel("audio", kTransportName);
std::unique_ptr<cricket::Candidate> rtp_local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
IceCandidateType::kHost, 42);
std::unique_ptr<cricket::Candidate> rtp_remote_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol",
rtc::ADAPTER_TYPE_UNKNOWN, IceCandidateType::kHost,
42);
std::unique_ptr<cricket::Candidate> rtcp_local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
IceCandidateType::kHost, 42);
std::unique_ptr<cricket::Candidate> rtcp_remote_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol",
rtc::ADAPTER_TYPE_UNKNOWN, IceCandidateType::kHost,
42);
cricket::ConnectionInfo rtp_connection_info;
rtp_connection_info.best_connection = false;
rtp_connection_info.local_candidate = *rtp_local_candidate.get();
rtp_connection_info.remote_candidate = *rtp_remote_candidate.get();
rtp_connection_info.sent_total_bytes = 42;
rtp_connection_info.recv_total_bytes = 1337;
rtp_connection_info.sent_total_packets = 3;
rtp_connection_info.sent_discarded_packets = 2;
rtp_connection_info.packets_received = 4;
cricket::TransportChannelStats rtp_transport_channel_stats;
rtp_transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
rtp_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
rtp_connection_info);
rtp_transport_channel_stats.dtls_state = DtlsTransportState::kNew;
rtp_transport_channel_stats.ice_transport_stats.bytes_sent = 42;
rtp_transport_channel_stats.ice_transport_stats.packets_sent = 1;
rtp_transport_channel_stats.ice_transport_stats.bytes_received = 1337;
rtp_transport_channel_stats.ice_transport_stats.packets_received = 4;
rtp_transport_channel_stats.ice_transport_stats
.selected_candidate_pair_changes = 1;
rtp_transport_channel_stats.ice_transport_stats.ice_local_username_fragment =
"thelocalufrag";
pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats});
// Get stats without RTCP, an active connection or certificates.
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCTransportStats expected_rtp_transport(
"Ttransport" + rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP),
report->timestamp());
expected_rtp_transport.bytes_sent = 42;
expected_rtp_transport.packets_sent = 1;
expected_rtp_transport.bytes_received = 1337;
expected_rtp_transport.packets_received = 4;
expected_rtp_transport.dtls_state = "new";
expected_rtp_transport.dtls_role = "unknown";
expected_rtp_transport.selected_candidate_pair_changes = 1;
expected_rtp_transport.ice_role = "unknown";
expected_rtp_transport.ice_local_username_fragment = "thelocalufrag";
expected_rtp_transport.ice_state = "new";
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
cricket::ConnectionInfo rtcp_connection_info;
rtcp_connection_info.best_connection = false;
rtcp_connection_info.local_candidate = *rtcp_local_candidate.get();
rtcp_connection_info.remote_candidate = *rtcp_remote_candidate.get();
rtcp_connection_info.sent_total_bytes = 1337;
rtcp_connection_info.recv_total_bytes = 42;
rtcp_connection_info.sent_total_packets = 3;
rtcp_connection_info.sent_discarded_packets = 2;
rtcp_connection_info.packets_received = 4;
cricket::TransportChannelStats rtcp_transport_channel_stats;
rtcp_transport_channel_stats.component =
cricket::ICE_CANDIDATE_COMPONENT_RTCP;
rtcp_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
rtcp_connection_info);
rtcp_transport_channel_stats.dtls_state = DtlsTransportState::kConnecting;
rtcp_transport_channel_stats.ice_transport_stats.bytes_sent = 1337;
rtcp_transport_channel_stats.ice_transport_stats.packets_sent = 1;
rtcp_transport_channel_stats.ice_transport_stats.bytes_received = 42;
rtcp_transport_channel_stats.ice_transport_stats.packets_received = 4;
rtcp_transport_channel_stats.ice_transport_stats.ice_local_username_fragment =
"thelocalufrag";
rtcp_transport_channel_stats.ice_transport_stats.ice_state =
IceTransportState::kChecking;
pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats,
rtcp_transport_channel_stats});
// Get stats with RTCP and without an active connection or certificates.
report = stats_->GetFreshStatsReport();
RTCTransportStats expected_rtcp_transport(
"Ttransport" + rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTCP),
report->timestamp());
expected_rtcp_transport.bytes_sent = 1337;
expected_rtcp_transport.packets_sent = 1;
expected_rtcp_transport.bytes_received = 42;
expected_rtcp_transport.packets_received = 4;
expected_rtcp_transport.dtls_state = "connecting";
expected_rtcp_transport.dtls_role = "unknown";
expected_rtcp_transport.selected_candidate_pair_changes = 0;
expected_rtcp_transport.ice_role = "unknown";
expected_rtcp_transport.ice_local_username_fragment = "thelocalufrag";
expected_rtcp_transport.ice_state = "checking";
expected_rtp_transport.rtcp_transport_stats_id = expected_rtcp_transport.id();
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
ASSERT_TRUE(report->Get(expected_rtcp_transport.id()));
EXPECT_EQ(
expected_rtcp_transport,
report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>());
// Get stats with an active connection (selected candidate pair).
rtcp_transport_channel_stats.ice_transport_stats.connection_infos[0]
.best_connection = true;
pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats,
rtcp_transport_channel_stats});
report = stats_->GetFreshStatsReport();
expected_rtcp_transport.selected_candidate_pair_id =
"CP" + rtcp_local_candidate->id() + "_" + rtcp_remote_candidate->id();
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
ASSERT_TRUE(report->Get(expected_rtcp_transport.id()));
EXPECT_EQ(
expected_rtcp_transport,
report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>());
// Get stats with certificates.
std::unique_ptr<CertificateInfo> local_certinfo =
CreateFakeCertificateAndInfoFromDers({"(local) local", "(local) chain"});
pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate);
std::unique_ptr<CertificateInfo> remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
{"(remote) local", "(remote) chain"});
pc_->SetRemoteCertChain(
kTransportName,
remote_certinfo->certificate->GetSSLCertificateChain().Clone());
report = stats_->GetFreshStatsReport();
expected_rtp_transport.local_certificate_id =
"CF" + local_certinfo->fingerprints[0];
expected_rtp_transport.remote_certificate_id =
"CF" + remote_certinfo->fingerprints[0];
expected_rtcp_transport.local_certificate_id =
*expected_rtp_transport.local_certificate_id;
expected_rtcp_transport.remote_certificate_id =
*expected_rtp_transport.remote_certificate_id;
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
ASSERT_TRUE(report->Get(expected_rtcp_transport.id()));
EXPECT_EQ(
expected_rtcp_transport,
report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCTransportStatsWithCrypto) {
const char kTransportName[] = "transport";
pc_->AddVoiceChannel("audio", kTransportName);
std::unique_ptr<cricket::Candidate> rtp_local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
IceCandidateType::kHost, 42);
std::unique_ptr<cricket::Candidate> rtp_remote_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol",
rtc::ADAPTER_TYPE_UNKNOWN, IceCandidateType::kHost,
42);
std::unique_ptr<cricket::Candidate> rtcp_local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
IceCandidateType::kHost, 42);
std::unique_ptr<cricket::Candidate> rtcp_remote_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol",
rtc::ADAPTER_TYPE_UNKNOWN, IceCandidateType::kHost,
42);
cricket::ConnectionInfo rtp_connection_info;
rtp_connection_info.best_connection = false;
rtp_connection_info.local_candidate = *rtp_local_candidate.get();
rtp_connection_info.remote_candidate = *rtp_remote_candidate.get();
cricket::TransportChannelStats rtp_transport_channel_stats;
rtp_transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
rtp_transport_channel_stats.ice_transport_stats.connection_infos.push_back(
rtp_connection_info);
// The state must be connected in order for crypto parameters to show up.
rtp_transport_channel_stats.dtls_state = DtlsTransportState::kConnected;
rtp_transport_channel_stats.ice_transport_stats
.selected_candidate_pair_changes = 1;
rtp_transport_channel_stats.ssl_version_bytes = 0x0203;
rtp_transport_channel_stats.dtls_role = rtc::SSL_CLIENT;
rtp_transport_channel_stats.ice_transport_stats.ice_role =
cricket::ICEROLE_CONTROLLING;
rtp_transport_channel_stats.ice_transport_stats.ice_local_username_fragment =
"thelocalufrag";
rtp_transport_channel_stats.ice_transport_stats.ice_state =
IceTransportState::kConnected;
rtp_transport_channel_stats.tls_cipher_suite_name =
"TLS_RSA_WITH_AES_128_CBC_SHA";
rtp_transport_channel_stats.srtp_crypto_suite = rtc::kSrtpAes128CmSha1_80;
pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats});
// Get stats
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCTransportStats expected_rtp_transport(
"Ttransport" + rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP),
report->timestamp());
expected_rtp_transport.dtls_state = "connected";
expected_rtp_transport.selected_candidate_pair_changes = 1;
expected_rtp_transport.ice_role = "unknown";
expected_rtp_transport.bytes_sent = 0;
expected_rtp_transport.bytes_received = 0;
expected_rtp_transport.packets_sent = 0;
expected_rtp_transport.packets_received = 0;
expected_rtp_transport.ice_role = "controlling";
expected_rtp_transport.ice_local_username_fragment = "thelocalufrag";
expected_rtp_transport.ice_state = "connected";
// Crypto parameters
expected_rtp_transport.tls_version = "0203";
expected_rtp_transport.dtls_role = "client";
expected_rtp_transport.dtls_cipher = "TLS_RSA_WITH_AES_128_CBC_SHA";
expected_rtp_transport.srtp_cipher = "AES_CM_128_HMAC_SHA1_80";
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
}
TEST_F(RTCStatsCollectorTest, CollectNoStreamRTCOutboundRtpStreamStats_Audio) {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = 1;
voice_media_info.senders[0].packets_sent = 2;
voice_media_info.senders[0].total_packet_send_delay = TimeDelta::Seconds(0.5);
voice_media_info.senders[0].retransmitted_packets_sent = 20;
voice_media_info.senders[0].payload_bytes_sent = 3;
voice_media_info.senders[0].header_and_padding_bytes_sent = 4;
voice_media_info.senders[0].retransmitted_bytes_sent = 30;
voice_media_info.senders[0].nacks_received = 31;
voice_media_info.senders[0].codec_payload_type = 42;
voice_media_info.senders[0].active = true;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
voice_media_info.send_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
// Emulates the case where AddTrack is used without an associated MediaStream
pc_->AddVoiceChannel("AudioMid", "TransportName", voice_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO,
"LocalAudioTrackID", 1, false,
/*attachment_id=*/50);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCOutboundRtpStreamStats expected_audio("OTTransportName1A1",
report->timestamp());
expected_audio.media_source_id = "SA50";
expected_audio.mid = "AudioMid";
expected_audio.ssrc = 1;
expected_audio.kind = "audio";
expected_audio.transport_id = "TTransportName1";
expected_audio.codec_id = "COTTransportName1_42";
expected_audio.packets_sent = 2;
expected_audio.total_packet_send_delay = 0.5;
expected_audio.retransmitted_packets_sent = 20;
expected_audio.bytes_sent = 3;
expected_audio.header_bytes_sent = 4;
expected_audio.retransmitted_bytes_sent = 30;
expected_audio.nack_count = 31;
expected_audio.active = true;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCOutboundRtpStreamStats>(),
expected_audio);
EXPECT_TRUE(report->Get(*expected_audio.transport_id));
EXPECT_TRUE(report->Get(*expected_audio.codec_id));
}
TEST_F(RTCStatsCollectorTest, RTCAudioSourceStatsCollectedForSenderWithTrack) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = kSsrc;
voice_media_info.senders[0].audio_level = 32767; // [0,32767]
voice_media_info.senders[0].total_input_energy = 2.0;
voice_media_info.senders[0].total_input_duration = 3.0;
voice_media_info.senders[0].apm_statistics.echo_return_loss = 42.0;
voice_media_info.senders[0].apm_statistics.echo_return_loss_enhancement =
52.0;
pc_->AddVoiceChannel("AudioMid", "TransportName", voice_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO,
"LocalAudioTrackID", kSsrc, false,
kAttachmentId);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCAudioSourceStats expected_audio("SA42", report->timestamp());
expected_audio.track_identifier = "LocalAudioTrackID";
expected_audio.kind = "audio";
expected_audio.audio_level = 1.0; // [0,1]
expected_audio.total_audio_energy = 2.0;
expected_audio.total_samples_duration = 3.0;
expected_audio.echo_return_loss = 42.0;
expected_audio.echo_return_loss_enhancement = 52.0;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(report->Get(expected_audio.id())->cast_to<RTCAudioSourceStats>(),
expected_audio);
}
TEST_F(RTCStatsCollectorTest, RTCVideoSourceStatsCollectedForSenderWithTrack) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
const int kVideoSourceWidth = 12;
const int kVideoSourceHeight = 34;
cricket::VideoMediaInfo video_media_info;
video_media_info.aggregated_senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = kSsrc;
video_media_info.senders[0].framerate_input = 29.0;
video_media_info.aggregated_senders[0].local_stats.push_back(
cricket::SsrcSenderInfo());
video_media_info.aggregated_senders[0].local_stats[0].ssrc = kSsrc;
video_media_info.aggregated_senders[0].framerate_input = 29.0;
video_media_info.aggregated_senders[0].frames = 10001;
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
auto video_source = FakeVideoTrackSourceForStats::Create(kVideoSourceWidth,
kVideoSourceHeight);
auto video_track = FakeVideoTrackForStats::Create(
"LocalVideoTrackID", MediaStreamTrackInterface::kLive, video_source);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO, video_track, kSsrc, kAttachmentId, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetMediaChannel(_));
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCVideoSourceStats expected_video("SV42", report->timestamp());
expected_video.track_identifier = "LocalVideoTrackID";
expected_video.kind = "video";
expected_video.width = kVideoSourceWidth;
expected_video.height = kVideoSourceHeight;
expected_video.frames_per_second = 29.0;
expected_video.frames = 10001;
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(report->Get(expected_video.id())->cast_to<RTCVideoSourceStats>(),
expected_video);
}
// This test exercises the current behavior and code path, but the correct
// behavior is to report frame rate even if we have no SSRC.
// TODO(hbos): When we know the frame rate even if we have no SSRC, update the
// expectations of this test.
TEST_F(RTCStatsCollectorTest,
RTCVideoSourceStatsMissingFrameRateWhenSenderHasNoSsrc) {
// TODO(https://crbug.com/webrtc/8694): When 0 is no longer a magic value for
// "none", update this test.
const uint32_t kNoSsrc = 0;
const int kAttachmentId = 42;
const int kVideoSourceWidth = 12;
const int kVideoSourceHeight = 34;
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].framerate_input = 29.0;
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
auto video_source = FakeVideoTrackSourceForStats::Create(kVideoSourceWidth,
kVideoSourceHeight);
auto video_track = FakeVideoTrackForStats::Create(
"LocalVideoTrackID", MediaStreamTrackInterface::kLive, video_source);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO, video_track, kNoSsrc, kAttachmentId, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetMediaChannel(_));
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get("SV42"));
auto video_stats = report->Get("SV42")->cast_to<RTCVideoSourceStats>();
EXPECT_FALSE(video_stats.frames_per_second.has_value());
EXPECT_FALSE(video_stats.frames.has_value());
}
// The track not having a source is not expected to be true in practise, but
// this is true in some tests relying on fakes. This test covers that code path.
TEST_F(RTCStatsCollectorTest,
RTCVideoSourceStatsMissingResolutionWhenTrackHasNoSource) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = kSsrc;
video_media_info.senders[0].framerate_input = 29.0;
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
auto video_track = FakeVideoTrackForStats::Create(
"LocalVideoTrackID", MediaStreamTrackInterface::kLive,
/*source=*/nullptr);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO, video_track, kSsrc, kAttachmentId, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetMediaChannel(_));
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get("SV42"));
auto video_stats = report->Get("SV42")->cast_to<RTCVideoSourceStats>();
EXPECT_FALSE(video_stats.width.has_value());
EXPECT_FALSE(video_stats.height.has_value());
}
TEST_F(RTCStatsCollectorTest,
RTCAudioSourceStatsNotCollectedForSenderWithoutTrack) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = kSsrc;
pc_->AddVoiceChannel("AudioMid", "TransportName", voice_media_info);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_AUDIO, /*track=*/nullptr, kSsrc, kAttachmentId, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetMediaChannel(_));
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
EXPECT_FALSE(report->Get("SA42"));
}
// Parameterized tests on cricket::MediaType (audio or video).
class RTCStatsCollectorTestWithParamKind
: public RTCStatsCollectorTest,
public ::testing::WithParamInterface<cricket::MediaType> {
public:
RTCStatsCollectorTestWithParamKind() : media_type_(GetParam()) {
RTC_DCHECK(media_type_ == cricket::MEDIA_TYPE_AUDIO ||
media_type_ == cricket::MEDIA_TYPE_VIDEO);
}
std::string MediaTypeCharStr() const {
switch (media_type_) {
case cricket::MEDIA_TYPE_AUDIO:
return "A";
case cricket::MEDIA_TYPE_VIDEO:
return "V";
case cricket::MEDIA_TYPE_DATA:
case cricket::MEDIA_TYPE_UNSUPPORTED:
RTC_DCHECK_NOTREACHED();
return "?";
}
}
std::string MediaTypeKind() const {
switch (media_type_) {
case cricket::MEDIA_TYPE_AUDIO:
return "audio";
case cricket::MEDIA_TYPE_VIDEO:
return "video";
case cricket::MEDIA_TYPE_DATA:
case cricket::MEDIA_TYPE_UNSUPPORTED:
RTC_DCHECK_NOTREACHED();
return "";
}
}
// Adds a sender and channel of the appropriate kind, creating a sender info
// with the report block's `source_ssrc` and report block data.
void AddSenderInfoAndMediaChannel(
std::string transport_name,
const std::vector<ReportBlockData>& report_block_datas,
std::optional<RtpCodecParameters> codec) {
switch (media_type_) {
case cricket::MEDIA_TYPE_AUDIO: {
cricket::VoiceMediaInfo voice_media_info;
for (const auto& report_block_data : report_block_datas) {
cricket::VoiceSenderInfo sender;
sender.local_stats.push_back(cricket::SsrcSenderInfo());
sender.local_stats[0].ssrc = report_block_data.source_ssrc();
if (codec.has_value()) {
sender.codec_payload_type = codec->payload_type;
voice_media_info.send_codecs.insert(
std::make_pair(codec->payload_type, *codec));
}
sender.report_block_datas.push_back(report_block_data);
voice_media_info.senders.push_back(sender);
}
pc_->AddVoiceChannel("mid", transport_name, voice_media_info);
return;
}
case cricket::MEDIA_TYPE_VIDEO: {
cricket::VideoMediaInfo video_media_info;
for (const auto& report_block_data : report_block_datas) {
cricket::VideoSenderInfo sender;
sender.local_stats.push_back(cricket::SsrcSenderInfo());
sender.local_stats[0].ssrc = report_block_data.source_ssrc();
if (codec.has_value()) {
sender.codec_payload_type = codec->payload_type;
video_media_info.send_codecs.insert(
std::make_pair(codec->payload_type, *codec));
}
sender.report_block_datas.push_back(report_block_data);
video_media_info.aggregated_senders.push_back(sender);
video_media_info.senders.push_back(sender);
}
pc_->AddVideoChannel("mid", transport_name, video_media_info);
return;
}
case cricket::MEDIA_TYPE_DATA:
case cricket::MEDIA_TYPE_UNSUPPORTED:
RTC_DCHECK_NOTREACHED();
}
}
protected:
cricket::MediaType media_type_;
};
// Verifies RTCRemoteInboundRtpStreamStats members that don't require
// RTCCodecStats (codecId, jitter) and without setting up an RTCP transport.
TEST_P(RTCStatsCollectorTestWithParamKind,
RTCRemoteInboundRtpStreamStatsCollectedFromReportBlock) {
const Timestamp kReportBlockTimestampUtc = Timestamp::Micros(123456789);
const Timestamp kReportBlockTimestamp = Timestamp::Micros(12345678);
const uint8_t kFractionLost = 12;
const TimeDelta kRoundTripTimeSample1 = TimeDelta::Millis(1'234);
const TimeDelta kRoundTripTimeSample2 = TimeDelta::Seconds(13);
// The report block's timestamp cannot be from the future, set the fake clock
// to match.
fake_clock_.SetTime(kReportBlockTimestampUtc);
auto ssrcs = {12, 13};
std::vector<ReportBlockData> report_block_datas;
for (auto ssrc : ssrcs) {
rtcp::ReportBlock report_block;
// The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the
// `source_ssrc`, "SSRC of the RTP packet sender".
report_block.SetMediaSsrc(ssrc);
report_block.SetCumulativeLost(7);
report_block.SetFractionLost(kFractionLost);
ReportBlockData report_block_data;
report_block_data.SetReportBlock(0, report_block, kReportBlockTimestampUtc,
kReportBlockTimestamp);
report_block_data.AddRoundTripTimeSample(kRoundTripTimeSample1);
// Only the last sample should be exposed as the
// `RTCRemoteInboundRtpStreamStats::round_trip_time`.
report_block_data.AddRoundTripTimeSample(kRoundTripTimeSample2);
report_block_datas.push_back(report_block_data);
}
AddSenderInfoAndMediaChannel("TransportName", report_block_datas,
std::nullopt);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
for (auto ssrc : ssrcs) {
std::string stream_id = "" + std::to_string(ssrc);
RTCRemoteInboundRtpStreamStats expected_remote_inbound_rtp(
"RI" + MediaTypeCharStr() + stream_id, kReportBlockTimestampUtc);
expected_remote_inbound_rtp.ssrc = ssrc;
expected_remote_inbound_rtp.fraction_lost =
static_cast<double>(kFractionLost) / (1 << 8);
expected_remote_inbound_rtp.kind = MediaTypeKind();
expected_remote_inbound_rtp.transport_id =
"TTransportName1"; // 1 for RTP (we have no RTCP
// transport)
expected_remote_inbound_rtp.packets_lost = 7;
expected_remote_inbound_rtp.local_id =
"OTTransportName1" + MediaTypeCharStr() + stream_id;
expected_remote_inbound_rtp.round_trip_time =
kRoundTripTimeSample2.seconds<double>();
expected_remote_inbound_rtp.total_round_trip_time =
(kRoundTripTimeSample1 + kRoundTripTimeSample2).seconds<double>();
expected_remote_inbound_rtp.round_trip_time_measurements = 2;
// This test does not set up RTCCodecStats, so `codec_id` and `jitter` are
// expected to be missing. These are tested separately.
ASSERT_TRUE(report->Get(expected_remote_inbound_rtp.id()));
EXPECT_EQ(report->Get(expected_remote_inbound_rtp.id())
->cast_to<RTCRemoteInboundRtpStreamStats>(),
expected_remote_inbound_rtp);
EXPECT_TRUE(report->Get(*expected_remote_inbound_rtp.transport_id));
ASSERT_TRUE(report->Get(*expected_remote_inbound_rtp.local_id));
// Lookup works in both directions.
EXPECT_EQ(*report->Get(*expected_remote_inbound_rtp.local_id)
->cast_to<RTCOutboundRtpStreamStats>()
.remote_id,
expected_remote_inbound_rtp.id());
}
}
TEST_P(RTCStatsCollectorTestWithParamKind,
RTCRemoteInboundRtpStreamStatsRttMissingBeforeMeasurement) {
constexpr Timestamp kReportBlockTimestampUtc = Timestamp::Micros(123456789);
const Timestamp kReportBlockTimestamp = Timestamp::Micros(12345678);
rtcp::ReportBlock report_block;
// The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the
// `source_ssrc`, "SSRC of the RTP packet sender".
report_block.SetMediaSsrc(12);
ReportBlockData report_block_data; // AddRoundTripTimeSample() not called.
report_block_data.SetReportBlock(0, report_block, kReportBlockTimestampUtc,
kReportBlockTimestamp);
AddSenderInfoAndMediaChannel("TransportName", {report_block_data},
std::nullopt);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
std::string remote_inbound_rtp_id = "RI" + MediaTypeCharStr() + "12";
ASSERT_TRUE(report->Get(remote_inbound_rtp_id));
auto& remote_inbound_rtp = report->Get(remote_inbound_rtp_id)
->cast_to<RTCRemoteInboundRtpStreamStats>();
EXPECT_TRUE(remote_inbound_rtp.round_trip_time_measurements.has_value());
EXPECT_EQ(0, *remote_inbound_rtp.round_trip_time_measurements);
EXPECT_FALSE(remote_inbound_rtp.round_trip_time.has_value());
}
TEST_P(RTCStatsCollectorTestWithParamKind,
RTCRemoteInboundRtpStreamStatsWithTimestampFromReportBlock) {
const Timestamp kReportBlockTimestampUtc = Timestamp::Micros(123456789);
const Timestamp kReportBlockTimestamp = Timestamp::Micros(12345678);
fake_clock_.SetTime(kReportBlockTimestampUtc);
rtcp::ReportBlock report_block;
// The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the
// `source_ssrc`, "SSRC of the RTP packet sender".
report_block.SetMediaSsrc(12);
ReportBlockData report_block_data;
report_block_data.SetReportBlock(0, report_block, kReportBlockTimestampUtc,
kReportBlockTimestamp);
AddSenderInfoAndMediaChannel("TransportName", {report_block_data},
std::nullopt);
// Advance time, it should be OK to have fresher reports than report blocks.
fake_clock_.AdvanceTime(TimeDelta::Micros(1234));
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
std::string remote_inbound_rtp_id = "RI" + MediaTypeCharStr() + "12";
ASSERT_TRUE(report->Get(remote_inbound_rtp_id));
auto& remote_inbound_rtp = report->Get(remote_inbound_rtp_id)
->cast_to<RTCRemoteInboundRtpStreamStats>();
// Even though the report time is different, the remote-inbound-rtp timestamp
// is of the time that the report block was received.
EXPECT_EQ(report->timestamp(),
kReportBlockTimestampUtc + TimeDelta::Micros(1234));
EXPECT_EQ(remote_inbound_rtp.timestamp(), kReportBlockTimestampUtc);
}
TEST_P(RTCStatsCollectorTestWithParamKind,
RTCRemoteInboundRtpStreamStatsWithCodecBasedMembers) {
const Timestamp kReportBlockTimestampUtc = Timestamp::Micros(123456789);
const Timestamp kReportBlockTimestamp = Timestamp::Micros(12345678);
fake_clock_.SetTime(kReportBlockTimestampUtc);
rtcp::ReportBlock report_block;
// The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the
// `source_ssrc`, "SSRC of the RTP packet sender".
report_block.SetMediaSsrc(12);
report_block.SetJitter(5000);
ReportBlockData report_block_data;
report_block_data.SetReportBlock(0, report_block, kReportBlockTimestampUtc,
kReportBlockTimestamp);
RtpCodecParameters codec;
codec.payload_type = 3;
codec.kind = media_type_;
codec.clock_rate = 1000;
AddSenderInfoAndMediaChannel("TransportName", {report_block_data}, codec);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
std::string remote_inbound_rtp_id = "RI" + MediaTypeCharStr() + "12";
ASSERT_TRUE(report->Get(remote_inbound_rtp_id));
auto& remote_inbound_rtp = report->Get(remote_inbound_rtp_id)
->cast_to<RTCRemoteInboundRtpStreamStats>();
EXPECT_TRUE(remote_inbound_rtp.codec_id.has_value());
EXPECT_TRUE(report->Get(*remote_inbound_rtp.codec_id));
EXPECT_TRUE(remote_inbound_rtp.jitter.has_value());
// The jitter (in seconds) is the report block's jitter divided by the codec's
// clock rate.
EXPECT_EQ(5.0, *remote_inbound_rtp.jitter);
}
TEST_P(RTCStatsCollectorTestWithParamKind,
RTCRemoteInboundRtpStreamStatsWithRtcpTransport) {
const Timestamp kReportBlockTimestampUtc = Timestamp::Micros(123456789);
const Timestamp kReportBlockTimestamp = Timestamp::Micros(12345678);
fake_clock_.SetTime(kReportBlockTimestampUtc);
rtcp::ReportBlock report_block;
// The remote-inbound-rtp SSRC and the outbound-rtp SSRC is the same as the
// `source_ssrc`, "SSRC of the RTP packet sender".
report_block.SetMediaSsrc(12);
ReportBlockData report_block_data;
report_block_data.SetReportBlock(0, report_block, kReportBlockTimestampUtc,
kReportBlockTimestamp);
cricket::TransportChannelStats rtp_transport_channel_stats;
rtp_transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
rtp_transport_channel_stats.dtls_state = DtlsTransportState::kNew;
cricket::TransportChannelStats rtcp_transport_channel_stats;
rtcp_transport_channel_stats.component =
cricket::ICE_CANDIDATE_COMPONENT_RTCP;
rtcp_transport_channel_stats.dtls_state = DtlsTransportState::kNew;
pc_->SetTransportStats("TransportName", {rtp_transport_channel_stats,
rtcp_transport_channel_stats});
AddSenderInfoAndMediaChannel("TransportName", {report_block_data},
std::nullopt);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
std::string remote_inbound_rtp_id = "RI" + MediaTypeCharStr() + "12";
ASSERT_TRUE(report->Get(remote_inbound_rtp_id));
auto& remote_inbound_rtp = report->Get(remote_inbound_rtp_id)
->cast_to<RTCRemoteInboundRtpStreamStats>();
EXPECT_TRUE(remote_inbound_rtp.transport_id.has_value());
EXPECT_EQ("TTransportName2", // 2 for RTCP
*remote_inbound_rtp.transport_id);
EXPECT_TRUE(report->Get(*remote_inbound_rtp.transport_id));
}
INSTANTIATE_TEST_SUITE_P(All,
RTCStatsCollectorTestWithParamKind,
::testing::Values(cricket::MEDIA_TYPE_AUDIO, // "/0"
cricket::MEDIA_TYPE_VIDEO)); // "/1"
// Checks that no remote outbound stats are collected if not available in
// `VoiceMediaInfo`.
TEST_F(RTCStatsCollectorTest,
RTCRemoteOutboundRtpAudioStreamStatsNotCollected) {
ExampleStatsGraph graph =
SetupExampleStatsVoiceGraph(/*add_remote_outbound_stats=*/false);
EXPECT_FALSE(graph.full_report->Get(graph.remote_outbound_rtp_id));
// Also check that no other remote outbound report is created (in case the
// expected ID is incorrect).
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_NE(report->begin(), report->end())
<< "No reports have been generated.";
for (const auto& stats : *report) {
SCOPED_TRACE(stats.id());
EXPECT_NE(stats.type(), RTCRemoteOutboundRtpStreamStats::kType);
}
}
// Checks that the remote outbound stats are collected when available in
// `VoiceMediaInfo`.
TEST_F(RTCStatsCollectorTest, RTCRemoteOutboundRtpAudioStreamStatsCollected) {
ExampleStatsGraph graph =
SetupExampleStatsVoiceGraph(/*add_remote_outbound_stats=*/true);
ASSERT_TRUE(graph.full_report->Get(graph.remote_outbound_rtp_id));
const auto& remote_outbound_rtp =
graph.full_report->Get(graph.remote_outbound_rtp_id)
->cast_to<RTCRemoteOutboundRtpStreamStats>();
EXPECT_EQ(remote_outbound_rtp.timestamp(), kRemoteOutboundStatsTimestamp);
EXPECT_FLOAT_EQ(*remote_outbound_rtp.remote_timestamp,
kRemoteOutboundStatsRemoteTimestamp.ms<double>());
EXPECT_EQ(*remote_outbound_rtp.packets_sent, kRemoteOutboundStatsPacketsSent);
EXPECT_EQ(*remote_outbound_rtp.bytes_sent, kRemoteOutboundStatsBytesSent);
EXPECT_EQ(*remote_outbound_rtp.reports_sent,
kRemoteOutboundStatsReportsCount);
}
TEST_F(RTCStatsCollectorTest,
RTCVideoSourceStatsNotCollectedForSenderWithoutTrack) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = kSsrc;
video_media_info.senders[0].framerate_input = 29.0;
pc_->AddVideoChannel("VideoMid", "TransportName", video_media_info);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO, /*track=*/nullptr, kSsrc, kAttachmentId, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetMediaChannel(_));
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
EXPECT_FALSE(report->Get("SV42"));
}
// Test collecting echo return loss stats from the audio processor attached to
// the track, rather than the voice sender info.
TEST_F(RTCStatsCollectorTest, CollectEchoReturnLossFromTrackAudioProcessor) {
rtc::scoped_refptr<MediaStream> local_stream =
MediaStream::Create("LocalStreamId");
pc_->mutable_local_streams()->AddStream(local_stream);
// Local audio track
rtc::scoped_refptr<MediaStreamTrackInterface> local_audio_track =
CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "LocalAudioTrackID",
MediaStreamTrackInterface::kEnded,
/*create_fake_audio_processor=*/true);
local_stream->AddTrack(rtc::scoped_refptr<AudioTrackInterface>(
static_cast<AudioTrackInterface*>(local_audio_track.get())));
cricket::VoiceSenderInfo voice_sender_info_ssrc1;
voice_sender_info_ssrc1.local_stats.push_back(cricket::SsrcSenderInfo());
voice_sender_info_ssrc1.local_stats[0].ssrc = 1;
stats_->CreateMockRtpSendersReceiversAndChannels(
{std::make_pair(local_audio_track.get(), voice_sender_info_ssrc1)}, {},
{}, {}, {local_stream->id()}, {});
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCAudioSourceStats expected_audio("SA11", report->timestamp());
expected_audio.track_identifier = "LocalAudioTrackID";
expected_audio.kind = "audio";
expected_audio.audio_level = 0;
expected_audio.total_audio_energy = 0;
expected_audio.total_samples_duration = 0;
expected_audio.echo_return_loss = 2.0;
expected_audio.echo_return_loss_enhancement = 3.0;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(report->Get(expected_audio.id())->cast_to<RTCAudioSourceStats>(),
expected_audio);
}
TEST_F(RTCStatsCollectorTest, GetStatsWithSenderSelector) {
ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests();
// Expected stats graph when filtered by sender:
//
// media-source
// ^
// |
// +--------- outbound-rtp
// | |
// v v
// codec (send) transport
rtc::scoped_refptr<const RTCStatsReport> sender_report =
stats_->GetStatsReportWithSenderSelector(graph.sender);
EXPECT_TRUE(sender_report);
EXPECT_EQ(sender_report->timestamp(), graph.full_report->timestamp());
EXPECT_EQ(sender_report->size(), 4u);
EXPECT_TRUE(sender_report->Get(graph.send_codec_id));
EXPECT_FALSE(sender_report->Get(graph.recv_codec_id));
EXPECT_TRUE(sender_report->Get(graph.outbound_rtp_id));
EXPECT_FALSE(sender_report->Get(graph.inbound_rtp_id));
EXPECT_TRUE(sender_report->Get(graph.transport_id));
EXPECT_FALSE(sender_report->Get(graph.peer_connection_id));
EXPECT_TRUE(sender_report->Get(graph.media_source_id));
}
TEST_F(RTCStatsCollectorTest, GetStatsWithReceiverSelector) {
ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests();
// Expected stats graph when filtered by receiver:
//
//
//
// inbound-rtp
// | |
// v v
// transport codec (recv)
rtc::scoped_refptr<const RTCStatsReport> receiver_report =
stats_->GetStatsReportWithReceiverSelector(graph.receiver);
EXPECT_TRUE(receiver_report);
EXPECT_EQ(receiver_report->size(), 3u);
EXPECT_EQ(receiver_report->timestamp(), graph.full_report->timestamp());
EXPECT_FALSE(receiver_report->Get(graph.send_codec_id));
EXPECT_TRUE(receiver_report->Get(graph.recv_codec_id));
EXPECT_FALSE(receiver_report->Get(graph.outbound_rtp_id));
EXPECT_TRUE(receiver_report->Get(graph.inbound_rtp_id));
EXPECT_TRUE(receiver_report->Get(graph.transport_id));
EXPECT_FALSE(receiver_report->Get(graph.peer_connection_id));
EXPECT_FALSE(receiver_report->Get(graph.media_source_id));
}
TEST_F(RTCStatsCollectorTest, GetStatsWithNullSenderSelector) {
ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests();
rtc::scoped_refptr<const RTCStatsReport> empty_report =
stats_->GetStatsReportWithSenderSelector(nullptr);
EXPECT_TRUE(empty_report);
EXPECT_EQ(empty_report->timestamp(), graph.full_report->timestamp());
EXPECT_EQ(empty_report->size(), 0u);
}
TEST_F(RTCStatsCollectorTest, GetStatsWithNullReceiverSelector) {
ExampleStatsGraph graph = SetupExampleStatsGraphForSelectorTests();
rtc::scoped_refptr<const RTCStatsReport> empty_report =
stats_->GetStatsReportWithReceiverSelector(nullptr);
EXPECT_TRUE(empty_report);
EXPECT_EQ(empty_report->timestamp(), graph.full_report->timestamp());
EXPECT_EQ(empty_report->size(), 0u);
}
// Before SetLocalDescription() senders don't have an SSRC.
// To simulate this case we create a mock sender with SSRC=0.
TEST_F(RTCStatsCollectorTest, RtpIsMissingWhileSsrcIsZero) {
rtc::scoped_refptr<MediaStreamTrackInterface> track =
CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "audioTrack",
MediaStreamTrackInterface::kLive);
rtc::scoped_refptr<MockRtpSenderInternal> sender =
CreateMockSender(cricket::MEDIA_TYPE_AUDIO, track, 0, 49, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto outbound_rtps = report->GetStatsOfType<RTCOutboundRtpStreamStats>();
EXPECT_TRUE(outbound_rtps.empty());
}
// We may also be in a case where the SSRC has been assigned but no
// `voice_sender_info` stats exist yet.
TEST_F(RTCStatsCollectorTest, DoNotCrashIfSsrcIsKnownButInfosAreStillMissing) {
rtc::scoped_refptr<MediaStreamTrackInterface> track =
CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "audioTrack",
MediaStreamTrackInterface::kLive);
rtc::scoped_refptr<MockRtpSenderInternal> sender =
CreateMockSender(cricket::MEDIA_TYPE_AUDIO, track, 4711, 49, {});
EXPECT_CALL(*sender, Stop());
EXPECT_CALL(*sender, SetSendCodecs(_));
pc_->AddSender(sender);
// We do not generate any matching voice_sender_info stats.
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto outbound_rtps = report->GetStatsOfType<RTCOutboundRtpStreamStats>();
EXPECT_TRUE(outbound_rtps.empty());
}
// Used for test below, to test calling GetStatsReport during a callback.
class RecursiveCallback : public RTCStatsCollectorCallback {
public:
explicit RecursiveCallback(RTCStatsCollectorWrapper* stats) : stats_(stats) {}
void OnStatsDelivered(
const rtc::scoped_refptr<const RTCStatsReport>& report) override {
stats_->GetStatsReport();
called_ = true;
}
bool called() const { return called_; }
private:
RTCStatsCollectorWrapper* stats_;
bool called_ = false;
};
// Test that nothing bad happens if a callback causes GetStatsReport to be
// called again recursively. Regression test for crbug.com/webrtc/8973.
TEST_F(RTCStatsCollectorTest, DoNotCrashWhenGetStatsCalledDuringCallback) {
auto callback1 = rtc::make_ref_counted<RecursiveCallback>(stats_.get());
auto callback2 = rtc::make_ref_counted<RecursiveCallback>(stats_.get());
stats_->stats_collector()->GetStatsReport(callback1);
stats_->stats_collector()->GetStatsReport(callback2);
EXPECT_TRUE_WAIT(callback1->called(), kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(callback2->called(), kGetStatsReportTimeoutMs);
}
class RTCTestStats : public RTCStats {
public:
WEBRTC_RTCSTATS_DECL();
RTCTestStats(const std::string& id, Timestamp timestamp)
: RTCStats(id, timestamp) {}
std::optional<int32_t> dummy_stat;
};
WEBRTC_RTCSTATS_IMPL(RTCTestStats,
RTCStats,
"test-stats",
AttributeInit("dummyStat", &dummy_stat))
// Overrides the stats collection to verify thread usage and that the resulting
// partial reports are merged.
class FakeRTCStatsCollector : public RTCStatsCollector,
public RTCStatsCollectorCallback {
public:
static rtc::scoped_refptr<FakeRTCStatsCollector> Create(
PeerConnectionInternal* pc,
const Environment& env,
int64_t cache_lifetime_us) {
return rtc::scoped_refptr<FakeRTCStatsCollector>(
new rtc::RefCountedObject<FakeRTCStatsCollector>(pc, env,
cache_lifetime_us));
}
// Since FakeRTCStatsCollector inherits twice from RefCountInterface, once via
// RTCStatsCollector and once via RTCStatsCollectorCallback, scoped_refptr
// will get confused about which AddRef()/Release() methods to call.
// So to remove all doubt, we declare them here again in the class that we
// give to scoped_refptr.
// Satisfying the implementation of these methods and associating them with a
// reference counter, will be done by RefCountedObject.
virtual void AddRef() const = 0;
virtual RefCountReleaseStatus Release() const = 0;
// RTCStatsCollectorCallback implementation.
void OnStatsDelivered(
const rtc::scoped_refptr<const RTCStatsReport>& report) override {
EXPECT_TRUE(signaling_thread_->IsCurrent());
MutexLock lock(&lock_);
delivered_report_ = report;
}
void VerifyThreadUsageAndResultsMerging() {
GetStatsReport(rtc::scoped_refptr<RTCStatsCollectorCallback>(this));
EXPECT_TRUE_WAIT(HasVerifiedResults(), kGetStatsReportTimeoutMs);
}
bool HasVerifiedResults() {
EXPECT_TRUE(signaling_thread_->IsCurrent());
MutexLock lock(&lock_);
if (!delivered_report_)
return false;
EXPECT_EQ(produced_on_signaling_thread_, 1);
EXPECT_EQ(produced_on_network_thread_, 1);
EXPECT_TRUE(delivered_report_->Get("SignalingThreadStats"));
EXPECT_TRUE(delivered_report_->Get("NetworkThreadStats"));
produced_on_signaling_thread_ = 0;
produced_on_network_thread_ = 0;
delivered_report_ = nullptr;
return true;
}
protected:
FakeRTCStatsCollector(PeerConnectionInternal* pc,
const Environment& env,
int64_t cache_lifetime)
: RTCStatsCollector(pc, env, cache_lifetime),
signaling_thread_(pc->signaling_thread()),
worker_thread_(pc->worker_thread()),
network_thread_(pc->network_thread()) {}
void ProducePartialResultsOnSignalingThreadImpl(
Timestamp timestamp,
RTCStatsReport* partial_report) override {
EXPECT_TRUE(signaling_thread_->IsCurrent());
{
MutexLock lock(&lock_);
EXPECT_FALSE(delivered_report_);
++produced_on_signaling_thread_;
}
partial_report->AddStats(std::unique_ptr<const RTCStats>(
new RTCTestStats("SignalingThreadStats", timestamp)));
}
void ProducePartialResultsOnNetworkThreadImpl(
Timestamp timestamp,
const std::map<std::string, cricket::TransportStats>&
transport_stats_by_name,
const std::map<std::string, CertificateStatsPair>& transport_cert_stats,
RTCStatsReport* partial_report) override {
EXPECT_TRUE(network_thread_->IsCurrent());
{
MutexLock lock(&lock_);
EXPECT_FALSE(delivered_report_);
++produced_on_network_thread_;
}
partial_report->AddStats(std::unique_ptr<const RTCStats>(
new RTCTestStats("NetworkThreadStats", timestamp)));
}
private:
rtc::Thread* const signaling_thread_;
rtc::Thread* const worker_thread_;
rtc::Thread* const network_thread_;
Mutex lock_;
rtc::scoped_refptr<const RTCStatsReport> delivered_report_;
int produced_on_signaling_thread_ = 0;
int produced_on_network_thread_ = 0;
};
TEST(RTCStatsCollectorTestWithFakeCollector, ThreadUsageAndResultsMerging) {
rtc::AutoThread main_thread_;
auto pc = rtc::make_ref_counted<FakePeerConnectionForStats>();
rtc::scoped_refptr<FakeRTCStatsCollector> stats_collector(
FakeRTCStatsCollector::Create(pc.get(), CreateEnvironment(),
50 * rtc::kNumMicrosecsPerMillisec));
stats_collector->VerifyThreadUsageAndResultsMerging();
}
} // namespace
} // namespace webrtc