blob: cd50346491ba2901b0d75b6eb3104862e461abb8 [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 <ctype.h>
#include <algorithm>
#include <initializer_list>
#include <memory>
#include <ostream>
#include <string>
#include <utility>
#include <vector>
#include "absl/memory/memory.h"
#include "absl/strings/str_replace.h"
#include "api/rtp_parameters.h"
#include "api/stats/rtc_stats_report.h"
#include "api/stats/rtcstats_objects.h"
#include "api/units/time_delta.h"
#include "modules/rtp_rtcp/include/report_block_data.h"
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "p2p/base/p2p_constants.h"
#include "p2p/base/port.h"
#include "pc/media_stream.h"
#include "pc/media_stream_track.h"
#include "pc/test/fake_peer_connection_for_stats.h"
#include "pc/test/mock_data_channel.h"
#include "pc/test/mock_rtp_receiver_internal.h"
#include "pc/test/mock_rtp_sender_internal.h"
#include "pc/test/rtc_stats_obtainer.h"
#include "rtc_base/checks.h"
#include "rtc_base/fake_clock.h"
#include "rtc_base/fake_ssl_identity.h"
#include "rtc_base/gunit.h"
#include "rtc_base/logging.h"
#include "rtc_base/time_utils.h"
using ::testing::AtLeast;
using ::testing::Invoke;
using ::testing::Return;
namespace webrtc {
// These are used by gtest code, such as if |EXPECT_EQ| fails.
void PrintTo(const RTCCertificateStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCCodecStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCDataChannelStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCIceCandidatePairStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCLocalIceCandidateStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCRemoteIceCandidateStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCPeerConnectionStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCMediaStreamStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCMediaStreamTrackStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCInboundRTPStreamStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCOutboundRTPStreamStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCRemoteInboundRtpStreamStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCAudioSourceStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCVideoSourceStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
void PrintTo(const RTCTransportStats& stats, ::std::ostream* os) {
*os << stats.ToJson();
}
namespace {
const int64_t kGetStatsReportTimeoutMs = 1000;
struct CertificateInfo {
rtc::scoped_refptr<rtc::RTCCertificate> certificate;
std::vector<std::string> ders;
std::vector<std::string> pems;
std::vector<std::string> fingerprints;
};
// Return the ID for an object of the given type in a report.
// The object must be present and be unique.
template <typename T>
std::string IdForType(const RTCStatsReport* report) {
auto stats_of_my_type = report->RTCStatsReport::GetStatsOfType<T>();
// We cannot use ASSERT here, since we're within a function.
EXPECT_EQ(1U, stats_of_my_type.size())
<< "Unexpected number of stats of this type";
if (stats_of_my_type.size() == 1) {
return stats_of_my_type[0]->id();
} else {
// Return something that is not going to be a valid stas ID.
return "Type not found";
}
}
std::unique_ptr<CertificateInfo> CreateFakeCertificateAndInfoFromDers(
const std::vector<std::string>& ders) {
RTC_CHECK(!ders.empty());
std::unique_ptr<CertificateInfo> info(new CertificateInfo());
info->ders = ders;
for (const std::string& der : ders) {
info->pems.push_back(rtc::SSLIdentity::DerToPem(
"CERTIFICATE", reinterpret_cast<const unsigned char*>(der.c_str()),
der.length()));
}
info->certificate =
rtc::RTCCertificate::Create(std::unique_ptr<rtc::FakeSSLIdentity>(
new rtc::FakeSSLIdentity(info->pems)));
// Strip header/footer and newline characters of PEM strings.
for (size_t i = 0; i < info->pems.size(); ++i) {
absl::StrReplaceAll({{"-----BEGIN CERTIFICATE-----", ""},
{"-----END CERTIFICATE-----", ""},
{"\n", ""}},
&info->pems[i]);
}
// Fingerprints for the whole certificate chain, starting with leaf
// certificate.
const rtc::SSLCertChain& chain = info->certificate->GetSSLCertificateChain();
std::unique_ptr<rtc::SSLFingerprint> fp;
for (size_t i = 0; i < chain.GetSize(); i++) {
fp = rtc::SSLFingerprint::Create("sha-1", chain.Get(i));
EXPECT_TRUE(fp);
info->fingerprints.push_back(fp->GetRfc4572Fingerprint());
}
EXPECT_EQ(info->ders.size(), info->fingerprints.size());
return info;
}
std::unique_ptr<cricket::Candidate> CreateFakeCandidate(
const std::string& hostname,
int port,
const std::string& protocol,
const rtc::AdapterType adapter_type,
const std::string& candidate_type,
uint32_t priority) {
std::unique_ptr<cricket::Candidate> candidate(new cricket::Candidate());
candidate->set_address(rtc::SocketAddress(hostname, port));
candidate->set_protocol(protocol);
candidate->set_network_type(adapter_type);
candidate->set_type(candidate_type);
candidate->set_priority(priority);
return candidate;
}
class FakeAudioTrackForStats : public MediaStreamTrack<AudioTrackInterface> {
public:
static rtc::scoped_refptr<FakeAudioTrackForStats> Create(
const std::string& id,
MediaStreamTrackInterface::TrackState state) {
rtc::scoped_refptr<FakeAudioTrackForStats> audio_track_stats(
new rtc::RefCountedObject<FakeAudioTrackForStats>(id));
audio_track_stats->set_state(state);
return audio_track_stats;
}
explicit FakeAudioTrackForStats(const std::string& id)
: MediaStreamTrack<AudioTrackInterface>(id) {}
std::string kind() const override {
return MediaStreamTrackInterface::kAudioKind;
}
webrtc::AudioSourceInterface* GetSource() const override { return nullptr; }
void AddSink(webrtc::AudioTrackSinkInterface* sink) override {}
void RemoveSink(webrtc::AudioTrackSinkInterface* sink) override {}
bool GetSignalLevel(int* level) override { return false; }
rtc::scoped_refptr<AudioProcessorInterface> GetAudioProcessor() override {
return nullptr;
}
};
class FakeVideoTrackSourceForStats : public VideoTrackSourceInterface {
public:
static rtc::scoped_refptr<FakeVideoTrackSourceForStats> Create(
int input_width,
int input_height) {
return rtc::scoped_refptr<FakeVideoTrackSourceForStats>(
new rtc::RefCountedObject<FakeVideoTrackSourceForStats>(input_width,
input_height));
}
FakeVideoTrackSourceForStats(int input_width, int input_height)
: input_width_(input_width), input_height_(input_height) {}
~FakeVideoTrackSourceForStats() override {}
// VideoTrackSourceInterface
bool is_screencast() const override { return false; }
absl::optional<bool> needs_denoising() const override { return false; }
bool GetStats(VideoTrackSourceInterface::Stats* stats) override {
stats->input_width = input_width_;
stats->input_height = input_height_;
return true;
}
// MediaSourceInterface (part of VideoTrackSourceInterface)
MediaSourceInterface::SourceState state() const override {
return MediaSourceInterface::SourceState::kLive;
}
bool remote() const override { return false; }
// NotifierInterface (part of MediaSourceInterface)
void RegisterObserver(ObserverInterface* observer) override {}
void UnregisterObserver(ObserverInterface* observer) override {}
// rtc::VideoSourceInterface<VideoFrame> (part of VideoTrackSourceInterface)
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override {}
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override {}
private:
int input_width_;
int input_height_;
};
class FakeVideoTrackForStats : public MediaStreamTrack<VideoTrackInterface> {
public:
static rtc::scoped_refptr<FakeVideoTrackForStats> Create(
const std::string& id,
MediaStreamTrackInterface::TrackState state,
rtc::scoped_refptr<VideoTrackSourceInterface> source) {
rtc::scoped_refptr<FakeVideoTrackForStats> video_track(
new rtc::RefCountedObject<FakeVideoTrackForStats>(id,
std::move(source)));
video_track->set_state(state);
return video_track;
}
FakeVideoTrackForStats(const std::string& id,
rtc::scoped_refptr<VideoTrackSourceInterface> source)
: MediaStreamTrack<VideoTrackInterface>(id), source_(source) {}
std::string kind() const override {
return MediaStreamTrackInterface::kVideoKind;
}
void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override {}
void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override {}
VideoTrackSourceInterface* GetSource() const override {
return source_.get();
}
private:
rtc::scoped_refptr<VideoTrackSourceInterface> source_;
};
rtc::scoped_refptr<MediaStreamTrackInterface> CreateFakeTrack(
cricket::MediaType media_type,
const std::string& track_id,
MediaStreamTrackInterface::TrackState track_state) {
if (media_type == cricket::MEDIA_TYPE_AUDIO) {
return FakeAudioTrackForStats::Create(track_id, track_state);
} else {
RTC_DCHECK_EQ(media_type, cricket::MEDIA_TYPE_VIDEO);
return FakeVideoTrackForStats::Create(track_id, track_state, nullptr);
}
}
rtc::scoped_refptr<MockRtpSenderInternal> CreateMockSender(
cricket::MediaType media_type,
rtc::scoped_refptr<MediaStreamTrackInterface> track,
uint32_t ssrc,
int attachment_id,
std::vector<std::string> local_stream_ids) {
RTC_DCHECK(!track ||
(track->kind() == MediaStreamTrackInterface::kAudioKind &&
media_type == cricket::MEDIA_TYPE_AUDIO) ||
(track->kind() == MediaStreamTrackInterface::kVideoKind &&
media_type == cricket::MEDIA_TYPE_VIDEO));
rtc::scoped_refptr<MockRtpSenderInternal> sender(
new rtc::RefCountedObject<MockRtpSenderInternal>());
EXPECT_CALL(*sender, track()).WillRepeatedly(Return(track));
EXPECT_CALL(*sender, ssrc()).WillRepeatedly(Return(ssrc));
EXPECT_CALL(*sender, media_type()).WillRepeatedly(Return(media_type));
EXPECT_CALL(*sender, GetParameters()).WillRepeatedly(Invoke([ssrc]() {
RtpParameters params;
params.encodings.push_back(RtpEncodingParameters());
params.encodings[0].ssrc = ssrc;
return params;
}));
EXPECT_CALL(*sender, AttachmentId()).WillRepeatedly(Return(attachment_id));
EXPECT_CALL(*sender, stream_ids()).WillRepeatedly(Return(local_stream_ids));
return sender;
}
rtc::scoped_refptr<MockRtpReceiverInternal> CreateMockReceiver(
const rtc::scoped_refptr<MediaStreamTrackInterface>& track,
uint32_t ssrc,
int attachment_id) {
rtc::scoped_refptr<MockRtpReceiverInternal> receiver(
new rtc::RefCountedObject<MockRtpReceiverInternal>());
EXPECT_CALL(*receiver, track()).WillRepeatedly(Return(track));
EXPECT_CALL(*receiver, streams())
.WillRepeatedly(
Return(std::vector<rtc::scoped_refptr<MediaStreamInterface>>({})));
EXPECT_CALL(*receiver, media_type())
.WillRepeatedly(
Return(track->kind() == MediaStreamTrackInterface::kAudioKind
? cricket::MEDIA_TYPE_AUDIO
: cricket::MEDIA_TYPE_VIDEO));
EXPECT_CALL(*receiver, GetParameters()).WillRepeatedly(Invoke([ssrc]() {
RtpParameters params;
params.encodings.push_back(RtpEncodingParameters());
params.encodings[0].ssrc = ssrc;
return params;
}));
EXPECT_CALL(*receiver, AttachmentId()).WillRepeatedly(Return(attachment_id));
return receiver;
}
class RTCStatsCollectorWrapper {
public:
explicit RTCStatsCollectorWrapper(
rtc::scoped_refptr<FakePeerConnectionForStats> pc)
: pc_(pc),
stats_collector_(
RTCStatsCollector::Create(pc, 50 * rtc::kNumMicrosecsPerMillisec)) {
}
rtc::scoped_refptr<RTCStatsCollector> stats_collector() {
return stats_collector_;
}
rtc::scoped_refptr<const RTCStatsReport> GetStatsReport() {
rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create();
stats_collector_->GetStatsReport(callback);
return WaitForReport(callback);
}
rtc::scoped_refptr<const RTCStatsReport> GetStatsReportWithSenderSelector(
rtc::scoped_refptr<RtpSenderInternal> selector) {
rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create();
stats_collector_->GetStatsReport(selector, callback);
return WaitForReport(callback);
}
rtc::scoped_refptr<const RTCStatsReport> GetStatsReportWithReceiverSelector(
rtc::scoped_refptr<RtpReceiverInternal> selector) {
rtc::scoped_refptr<RTCStatsObtainer> callback = RTCStatsObtainer::Create();
stats_collector_->GetStatsReport(selector, callback);
return WaitForReport(callback);
}
rtc::scoped_refptr<const RTCStatsReport> GetFreshStatsReport() {
stats_collector_->ClearCachedStatsReport();
return GetStatsReport();
}
rtc::scoped_refptr<MockRtpSenderInternal> SetupLocalTrackAndSender(
cricket::MediaType media_type,
const std::string& track_id,
uint32_t ssrc,
bool add_stream,
int attachment_id) {
rtc::scoped_refptr<MediaStream> local_stream;
if (add_stream) {
local_stream = MediaStream::Create("LocalStreamId");
pc_->mutable_local_streams()->AddStream(local_stream);
}
rtc::scoped_refptr<MediaStreamTrackInterface> track;
if (media_type == cricket::MEDIA_TYPE_AUDIO) {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
if (add_stream) {
local_stream->AddTrack(static_cast<AudioTrackInterface*>(track.get()));
}
} else {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
if (add_stream) {
local_stream->AddTrack(static_cast<VideoTrackInterface*>(track.get()));
}
}
rtc::scoped_refptr<MockRtpSenderInternal> sender =
CreateMockSender(media_type, track, ssrc, attachment_id, {});
pc_->AddSender(sender);
return sender;
}
rtc::scoped_refptr<MockRtpReceiverInternal> SetupRemoteTrackAndReceiver(
cricket::MediaType media_type,
const std::string& track_id,
const std::string& stream_id,
uint32_t ssrc) {
rtc::scoped_refptr<MediaStream> remote_stream =
MediaStream::Create(stream_id);
pc_->mutable_remote_streams()->AddStream(remote_stream);
rtc::scoped_refptr<MediaStreamTrackInterface> track;
if (media_type == cricket::MEDIA_TYPE_AUDIO) {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
remote_stream->AddTrack(static_cast<AudioTrackInterface*>(track.get()));
} else {
track = CreateFakeTrack(media_type, track_id,
MediaStreamTrackInterface::kLive);
remote_stream->AddTrack(static_cast<VideoTrackInterface*>(track.get()));
}
rtc::scoped_refptr<MockRtpReceiverInternal> receiver =
CreateMockReceiver(track, ssrc, 62);
EXPECT_CALL(*receiver, streams())
.WillRepeatedly(
Return(std::vector<rtc::scoped_refptr<MediaStreamInterface>>(
{remote_stream})));
pc_->AddReceiver(receiver);
return receiver;
}
// Attaches tracks to peer connections by configuring RTP senders and RTP
// receivers according to the tracks' pairings with
// |[Voice/Video][Sender/Receiver]Info| and their SSRCs. Local tracks can be
// associated with multiple |[Voice/Video]SenderInfo|s, remote tracks can only
// be associated with one |[Voice/Video]ReceiverInfo|.
// Senders get assigned attachment ID "ssrc + 10".
void CreateMockRtpSendersReceiversAndChannels(
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VoiceSenderInfo>>
local_audio_track_info_pairs,
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VoiceReceiverInfo>>
remote_audio_track_info_pairs,
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VideoSenderInfo>>
local_video_track_info_pairs,
std::initializer_list<
std::pair<MediaStreamTrackInterface*, cricket::VideoReceiverInfo>>
remote_video_track_info_pairs,
std::vector<std::string> local_stream_ids,
std::vector<rtc::scoped_refptr<MediaStreamInterface>> remote_streams) {
cricket::VoiceMediaInfo voice_media_info;
cricket::VideoMediaInfo video_media_info;
// Local audio tracks and voice sender infos
for (auto& pair : local_audio_track_info_pairs) {
MediaStreamTrackInterface* local_audio_track = pair.first;
const cricket::VoiceSenderInfo& voice_sender_info = pair.second;
RTC_DCHECK_EQ(local_audio_track->kind(),
MediaStreamTrackInterface::kAudioKind);
voice_media_info.senders.push_back(voice_sender_info);
rtc::scoped_refptr<MockRtpSenderInternal> rtp_sender = CreateMockSender(
cricket::MEDIA_TYPE_AUDIO,
rtc::scoped_refptr<MediaStreamTrackInterface>(local_audio_track),
voice_sender_info.local_stats[0].ssrc,
voice_sender_info.local_stats[0].ssrc + 10, local_stream_ids);
pc_->AddSender(rtp_sender);
}
// Remote audio tracks and voice receiver infos
for (auto& pair : remote_audio_track_info_pairs) {
MediaStreamTrackInterface* remote_audio_track = pair.first;
const cricket::VoiceReceiverInfo& voice_receiver_info = pair.second;
RTC_DCHECK_EQ(remote_audio_track->kind(),
MediaStreamTrackInterface::kAudioKind);
voice_media_info.receivers.push_back(voice_receiver_info);
rtc::scoped_refptr<MockRtpReceiverInternal> rtp_receiver =
CreateMockReceiver(
rtc::scoped_refptr<MediaStreamTrackInterface>(remote_audio_track),
voice_receiver_info.local_stats[0].ssrc,
voice_receiver_info.local_stats[0].ssrc + 10);
EXPECT_CALL(*rtp_receiver, streams())
.WillRepeatedly(Return(remote_streams));
pc_->AddReceiver(rtp_receiver);
}
// Local video tracks and video sender infos
for (auto& pair : local_video_track_info_pairs) {
MediaStreamTrackInterface* local_video_track = pair.first;
const cricket::VideoSenderInfo& video_sender_info = pair.second;
RTC_DCHECK_EQ(local_video_track->kind(),
MediaStreamTrackInterface::kVideoKind);
video_media_info.senders.push_back(video_sender_info);
rtc::scoped_refptr<MockRtpSenderInternal> rtp_sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO,
rtc::scoped_refptr<MediaStreamTrackInterface>(local_video_track),
video_sender_info.local_stats[0].ssrc,
video_sender_info.local_stats[0].ssrc + 10, local_stream_ids);
pc_->AddSender(rtp_sender);
}
// Remote video tracks and video receiver infos
for (auto& pair : remote_video_track_info_pairs) {
MediaStreamTrackInterface* remote_video_track = pair.first;
const cricket::VideoReceiverInfo& video_receiver_info = pair.second;
RTC_DCHECK_EQ(remote_video_track->kind(),
MediaStreamTrackInterface::kVideoKind);
video_media_info.receivers.push_back(video_receiver_info);
rtc::scoped_refptr<MockRtpReceiverInternal> rtp_receiver =
CreateMockReceiver(
rtc::scoped_refptr<MediaStreamTrackInterface>(remote_video_track),
video_receiver_info.local_stats[0].ssrc,
video_receiver_info.local_stats[0].ssrc + 10);
EXPECT_CALL(*rtp_receiver, streams())
.WillRepeatedly(Return(remote_streams));
pc_->AddReceiver(rtp_receiver);
}
auto* voice_media_channel = pc_->AddVoiceChannel("audio", "transport");
voice_media_channel->SetStats(voice_media_info);
auto* video_media_channel = pc_->AddVideoChannel("video", "transport");
video_media_channel->SetStats(video_media_info);
}
private:
rtc::scoped_refptr<const RTCStatsReport> WaitForReport(
rtc::scoped_refptr<RTCStatsObtainer> callback) {
EXPECT_TRUE_WAIT(callback->report(), kGetStatsReportTimeoutMs);
int64_t after = rtc::TimeUTCMicros();
for (const RTCStats& stats : *callback->report()) {
EXPECT_LE(stats.timestamp_us(), after);
}
return callback->report();
}
rtc::scoped_refptr<FakePeerConnectionForStats> pc_;
rtc::scoped_refptr<RTCStatsCollector> stats_collector_;
};
class RTCStatsCollectorTest : public ::testing::Test {
public:
RTCStatsCollectorTest()
: pc_(new rtc::RefCountedObject<FakePeerConnectionForStats>()),
stats_(new RTCStatsCollectorWrapper(pc_)) {}
void ExpectReportContainsCertificateInfo(
const rtc::scoped_refptr<const RTCStatsReport>& report,
const CertificateInfo& certinfo) {
for (size_t i = 0; i < certinfo.fingerprints.size(); ++i) {
RTCCertificateStats expected_certificate_stats(
"RTCCertificate_" + certinfo.fingerprints[i], report->timestamp_us());
expected_certificate_stats.fingerprint = certinfo.fingerprints[i];
expected_certificate_stats.fingerprint_algorithm = "sha-1";
expected_certificate_stats.base64_certificate = certinfo.pems[i];
if (i + 1 < certinfo.fingerprints.size()) {
expected_certificate_stats.issuer_certificate_id =
"RTCCertificate_" + certinfo.fingerprints[i + 1];
}
ASSERT_TRUE(report->Get(expected_certificate_stats.id()));
EXPECT_EQ(expected_certificate_stats,
report->Get(expected_certificate_stats.id())
->cast_to<RTCCertificateStats>());
}
}
struct ExampleStatsGraph {
rtc::scoped_refptr<RtpSenderInternal> sender;
rtc::scoped_refptr<RtpReceiverInternal> receiver;
rtc::scoped_refptr<const RTCStatsReport> full_report;
std::string send_codec_id;
std::string recv_codec_id;
std::string outbound_rtp_id;
std::string inbound_rtp_id;
std::string transport_id;
std::string sender_track_id;
std::string receiver_track_id;
std::string remote_stream_id;
std::string peer_connection_id;
std::string media_source_id;
};
// Sets up the example stats graph (see ASCII art below) used for testing the
// stats selection algorithm,
// https://w3c.github.io/webrtc-pc/#dfn-stats-selection-algorithm.
// These tests test the integration of the stats traversal algorithm inside of
// RTCStatsCollector. See rtcstatstraveral_unittest.cc for more stats
// traversal tests.
ExampleStatsGraph SetupExampleStatsGraphForSelectorTests() {
ExampleStatsGraph graph;
// codec (send)
graph.send_codec_id = "RTCCodec_VideoMid_Outbound_1";
cricket::VideoMediaInfo video_media_info;
RtpCodecParameters send_codec;
send_codec.payload_type = 1;
send_codec.clock_rate = 0;
video_media_info.send_codecs.insert(
std::make_pair(send_codec.payload_type, send_codec));
// codec (recv)
graph.recv_codec_id = "RTCCodec_VideoMid_Inbound_2";
RtpCodecParameters recv_codec;
recv_codec.payload_type = 2;
recv_codec.clock_rate = 0;
video_media_info.receive_codecs.insert(
std::make_pair(recv_codec.payload_type, recv_codec));
// outbound-rtp
graph.outbound_rtp_id = "RTCOutboundRTPVideoStream_3";
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(
cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = 3;
video_media_info.senders[0].codec_payload_type = send_codec.payload_type;
// inbound-rtp
graph.inbound_rtp_id = "RTCInboundRTPVideoStream_4";
video_media_info.receivers.push_back(cricket::VideoReceiverInfo());
video_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
video_media_info.receivers[0].local_stats[0].ssrc = 4;
video_media_info.receivers[0].codec_payload_type = recv_codec.payload_type;
// transport
graph.transport_id = "RTCTransport_TransportName_1";
auto* video_media_channel =
pc_->AddVideoChannel("VideoMid", "TransportName");
video_media_channel->SetStats(video_media_info);
// track (sender)
graph.sender = stats_->SetupLocalTrackAndSender(
cricket::MEDIA_TYPE_VIDEO, "LocalVideoTrackID", 3, false, 50);
graph.sender_track_id = "RTCMediaStreamTrack_sender_" +
rtc::ToString(graph.sender->AttachmentId());
// track (receiver) and stream (remote stream)
graph.receiver = stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", "RemoteStreamId", 4);
graph.receiver_track_id = "RTCMediaStreamTrack_receiver_" +
rtc::ToString(graph.receiver->AttachmentId());
graph.remote_stream_id = "RTCMediaStream_RemoteStreamId";
// peer-connection
graph.peer_connection_id = "RTCPeerConnection";
// media-source (kind: video)
graph.media_source_id =
"RTCVideoSource_" + rtc::ToString(graph.sender->AttachmentId());
// Expected stats graph:
//
// +--- track (sender) stream (remote stream) ---> track (receiver)
// | ^ ^
// | | |
// | +--------- outbound-rtp inbound-rtp ---------------+
// | | | | | |
// | | v v v v
// | | codec (send) transport codec (recv) peer-connection
// v v
// media-source
// Verify the stats graph is set up correctly.
graph.full_report = stats_->GetStatsReport();
EXPECT_EQ(graph.full_report->size(), 10u);
EXPECT_TRUE(graph.full_report->Get(graph.send_codec_id));
EXPECT_TRUE(graph.full_report->Get(graph.recv_codec_id));
EXPECT_TRUE(graph.full_report->Get(graph.outbound_rtp_id));
EXPECT_TRUE(graph.full_report->Get(graph.inbound_rtp_id));
EXPECT_TRUE(graph.full_report->Get(graph.transport_id));
EXPECT_TRUE(graph.full_report->Get(graph.sender_track_id));
EXPECT_TRUE(graph.full_report->Get(graph.receiver_track_id));
EXPECT_TRUE(graph.full_report->Get(graph.remote_stream_id));
EXPECT_TRUE(graph.full_report->Get(graph.peer_connection_id));
EXPECT_TRUE(graph.full_report->Get(graph.media_source_id));
const auto& sender_track = graph.full_report->Get(graph.sender_track_id)
->cast_to<RTCMediaStreamTrackStats>();
EXPECT_EQ(*sender_track.media_source_id, graph.media_source_id);
const auto& outbound_rtp = graph.full_report->Get(graph.outbound_rtp_id)
->cast_to<RTCOutboundRTPStreamStats>();
EXPECT_EQ(*outbound_rtp.media_source_id, graph.media_source_id);
EXPECT_EQ(*outbound_rtp.codec_id, graph.send_codec_id);
EXPECT_EQ(*outbound_rtp.track_id, graph.sender_track_id);
EXPECT_EQ(*outbound_rtp.transport_id, graph.transport_id);
const auto& inbound_rtp = graph.full_report->Get(graph.inbound_rtp_id)
->cast_to<RTCInboundRTPStreamStats>();
EXPECT_EQ(*inbound_rtp.codec_id, graph.recv_codec_id);
EXPECT_EQ(*inbound_rtp.track_id, graph.receiver_track_id);
EXPECT_EQ(*inbound_rtp.transport_id, graph.transport_id);
return graph;
}
protected:
rtc::ScopedFakeClock fake_clock_;
rtc::scoped_refptr<FakePeerConnectionForStats> pc_;
std::unique_ptr<RTCStatsCollectorWrapper> stats_;
};
TEST_F(RTCStatsCollectorTest, SingleCallback) {
rtc::scoped_refptr<const RTCStatsReport> result;
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&result));
EXPECT_TRUE_WAIT(result, kGetStatsReportTimeoutMs);
}
TEST_F(RTCStatsCollectorTest, MultipleCallbacks) {
rtc::scoped_refptr<const RTCStatsReport> a, b, c;
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&a));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&b));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&c));
EXPECT_TRUE_WAIT(a, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(b, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(c, kGetStatsReportTimeoutMs);
EXPECT_EQ(a.get(), b.get());
EXPECT_EQ(b.get(), c.get());
}
TEST_F(RTCStatsCollectorTest, CachedStatsReports) {
// Caching should ensure |a| and |b| are the same report.
rtc::scoped_refptr<const RTCStatsReport> a = stats_->GetStatsReport();
rtc::scoped_refptr<const RTCStatsReport> b = stats_->GetStatsReport();
EXPECT_EQ(a.get(), b.get());
// Invalidate cache by clearing it.
stats_->stats_collector()->ClearCachedStatsReport();
rtc::scoped_refptr<const RTCStatsReport> c = stats_->GetStatsReport();
EXPECT_NE(b.get(), c.get());
// Invalidate cache by advancing time.
fake_clock_.AdvanceTime(TimeDelta::ms(51));
rtc::scoped_refptr<const RTCStatsReport> d = stats_->GetStatsReport();
EXPECT_TRUE(d);
EXPECT_NE(c.get(), d.get());
}
TEST_F(RTCStatsCollectorTest, MultipleCallbacksWithInvalidatedCacheInBetween) {
rtc::scoped_refptr<const RTCStatsReport> a, b, c;
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&a));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&b));
// Cache is invalidated after 50 ms.
fake_clock_.AdvanceTime(TimeDelta::ms(51));
stats_->stats_collector()->GetStatsReport(RTCStatsObtainer::Create(&c));
EXPECT_TRUE_WAIT(a, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(b, kGetStatsReportTimeoutMs);
EXPECT_TRUE_WAIT(c, kGetStatsReportTimeoutMs);
EXPECT_EQ(a.get(), b.get());
// The act of doing |AdvanceTime| processes all messages. If this was not the
// case we might not require |c| to be fresher than |b|.
EXPECT_NE(c.get(), b.get());
}
TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsSingle) {
const char kTransportName[] = "transport";
pc_->AddVoiceChannel("audio", kTransportName);
std::unique_ptr<CertificateInfo> local_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(local) single certificate"}));
pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate);
std::unique_ptr<CertificateInfo> remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(remote) single certificate"}));
pc_->SetRemoteCertChain(
kTransportName,
remote_certinfo->certificate->GetSSLCertificateChain().Clone());
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ExpectReportContainsCertificateInfo(report, *local_certinfo);
ExpectReportContainsCertificateInfo(report, *remote_certinfo);
}
TEST_F(RTCStatsCollectorTest, CollectRTCCodecStats) {
// Audio
cricket::VoiceMediaInfo voice_media_info;
RtpCodecParameters inbound_audio_codec;
inbound_audio_codec.payload_type = 1;
inbound_audio_codec.kind = cricket::MEDIA_TYPE_AUDIO;
inbound_audio_codec.name = "opus";
inbound_audio_codec.clock_rate = 1337;
voice_media_info.receive_codecs.insert(
std::make_pair(inbound_audio_codec.payload_type, inbound_audio_codec));
RtpCodecParameters outbound_audio_codec;
outbound_audio_codec.payload_type = 2;
outbound_audio_codec.kind = cricket::MEDIA_TYPE_AUDIO;
outbound_audio_codec.name = "isac";
outbound_audio_codec.clock_rate = 1338;
voice_media_info.send_codecs.insert(
std::make_pair(outbound_audio_codec.payload_type, outbound_audio_codec));
auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName");
voice_media_channel->SetStats(voice_media_info);
// Video
cricket::VideoMediaInfo video_media_info;
RtpCodecParameters inbound_video_codec;
inbound_video_codec.payload_type = 3;
inbound_video_codec.kind = cricket::MEDIA_TYPE_VIDEO;
inbound_video_codec.name = "H264";
inbound_video_codec.clock_rate = 1339;
video_media_info.receive_codecs.insert(
std::make_pair(inbound_video_codec.payload_type, inbound_video_codec));
RtpCodecParameters outbound_video_codec;
outbound_video_codec.payload_type = 4;
outbound_video_codec.kind = cricket::MEDIA_TYPE_VIDEO;
outbound_video_codec.name = "VP8";
outbound_video_codec.clock_rate = 1340;
video_media_info.send_codecs.insert(
std::make_pair(outbound_video_codec.payload_type, outbound_video_codec));
auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName");
video_media_channel->SetStats(video_media_info);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCCodecStats expected_inbound_audio_codec("RTCCodec_AudioMid_Inbound_1",
report->timestamp_us());
expected_inbound_audio_codec.payload_type = 1;
expected_inbound_audio_codec.mime_type = "audio/opus";
expected_inbound_audio_codec.clock_rate = 1337;
RTCCodecStats expected_outbound_audio_codec("RTCCodec_AudioMid_Outbound_2",
report->timestamp_us());
expected_outbound_audio_codec.payload_type = 2;
expected_outbound_audio_codec.mime_type = "audio/isac";
expected_outbound_audio_codec.clock_rate = 1338;
RTCCodecStats expected_inbound_video_codec("RTCCodec_VideoMid_Inbound_3",
report->timestamp_us());
expected_inbound_video_codec.payload_type = 3;
expected_inbound_video_codec.mime_type = "video/H264";
expected_inbound_video_codec.clock_rate = 1339;
RTCCodecStats expected_outbound_video_codec("RTCCodec_VideoMid_Outbound_4",
report->timestamp_us());
expected_outbound_video_codec.payload_type = 4;
expected_outbound_video_codec.mime_type = "video/VP8";
expected_outbound_video_codec.clock_rate = 1340;
ASSERT_TRUE(report->Get(expected_inbound_audio_codec.id()));
EXPECT_EQ(
expected_inbound_audio_codec,
report->Get(expected_inbound_audio_codec.id())->cast_to<RTCCodecStats>());
ASSERT_TRUE(report->Get(expected_outbound_audio_codec.id()));
EXPECT_EQ(expected_outbound_audio_codec,
report->Get(expected_outbound_audio_codec.id())
->cast_to<RTCCodecStats>());
ASSERT_TRUE(report->Get(expected_inbound_video_codec.id()));
EXPECT_EQ(
expected_inbound_video_codec,
report->Get(expected_inbound_video_codec.id())->cast_to<RTCCodecStats>());
ASSERT_TRUE(report->Get(expected_outbound_video_codec.id()));
EXPECT_EQ(expected_outbound_video_codec,
report->Get(expected_outbound_video_codec.id())
->cast_to<RTCCodecStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsMultiple) {
const char kAudioTransport[] = "audio";
const char kVideoTransport[] = "video";
pc_->AddVoiceChannel("audio", kAudioTransport);
std::unique_ptr<CertificateInfo> audio_local_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(local) audio"}));
pc_->SetLocalCertificate(kAudioTransport, audio_local_certinfo->certificate);
std::unique_ptr<CertificateInfo> audio_remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(remote) audio"}));
pc_->SetRemoteCertChain(
kAudioTransport,
audio_remote_certinfo->certificate->GetSSLCertificateChain().Clone());
pc_->AddVideoChannel("video", kVideoTransport);
std::unique_ptr<CertificateInfo> video_local_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(local) video"}));
pc_->SetLocalCertificate(kVideoTransport, video_local_certinfo->certificate);
std::unique_ptr<CertificateInfo> video_remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
std::vector<std::string>({"(remote) video"}));
pc_->SetRemoteCertChain(
kVideoTransport,
video_remote_certinfo->certificate->GetSSLCertificateChain().Clone());
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ExpectReportContainsCertificateInfo(report, *audio_local_certinfo);
ExpectReportContainsCertificateInfo(report, *audio_remote_certinfo);
ExpectReportContainsCertificateInfo(report, *video_local_certinfo);
ExpectReportContainsCertificateInfo(report, *video_remote_certinfo);
}
TEST_F(RTCStatsCollectorTest, CollectRTCCertificateStatsChain) {
const char kTransportName[] = "transport";
pc_->AddVoiceChannel("audio", kTransportName);
std::unique_ptr<CertificateInfo> local_certinfo =
CreateFakeCertificateAndInfoFromDers(
{"(local) this", "(local) is", "(local) a", "(local) chain"});
pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate);
std::unique_ptr<CertificateInfo> remote_certinfo =
CreateFakeCertificateAndInfoFromDers({"(remote) this", "(remote) is",
"(remote) another",
"(remote) chain"});
pc_->SetRemoteCertChain(
kTransportName,
remote_certinfo->certificate->GetSSLCertificateChain().Clone());
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ExpectReportContainsCertificateInfo(report, *local_certinfo);
ExpectReportContainsCertificateInfo(report, *remote_certinfo);
}
TEST_F(RTCStatsCollectorTest, CollectRTCDataChannelStats) {
pc_->AddSctpDataChannel(new MockDataChannel(0, "MockDataChannel0",
DataChannelInterface::kConnecting,
"udp", 1, 2, 3, 4));
RTCDataChannelStats expected_data_channel0("RTCDataChannel_0", 0);
expected_data_channel0.label = "MockDataChannel0";
expected_data_channel0.protocol = "udp";
expected_data_channel0.datachannelid = 0;
expected_data_channel0.state = "connecting";
expected_data_channel0.messages_sent = 1;
expected_data_channel0.bytes_sent = 2;
expected_data_channel0.messages_received = 3;
expected_data_channel0.bytes_received = 4;
pc_->AddSctpDataChannel(new MockDataChannel(
1, "MockDataChannel1", DataChannelInterface::kOpen, "tcp", 5, 6, 7, 8));
RTCDataChannelStats expected_data_channel1("RTCDataChannel_1", 0);
expected_data_channel1.label = "MockDataChannel1";
expected_data_channel1.protocol = "tcp";
expected_data_channel1.datachannelid = 1;
expected_data_channel1.state = "open";
expected_data_channel1.messages_sent = 5;
expected_data_channel1.bytes_sent = 6;
expected_data_channel1.messages_received = 7;
expected_data_channel1.bytes_received = 8;
pc_->AddSctpDataChannel(new MockDataChannel(2, "MockDataChannel2",
DataChannelInterface::kClosing,
"udp", 9, 10, 11, 12));
RTCDataChannelStats expected_data_channel2("RTCDataChannel_2", 0);
expected_data_channel2.label = "MockDataChannel2";
expected_data_channel2.protocol = "udp";
expected_data_channel2.datachannelid = 2;
expected_data_channel2.state = "closing";
expected_data_channel2.messages_sent = 9;
expected_data_channel2.bytes_sent = 10;
expected_data_channel2.messages_received = 11;
expected_data_channel2.bytes_received = 12;
pc_->AddSctpDataChannel(new MockDataChannel(3, "MockDataChannel3",
DataChannelInterface::kClosed,
"tcp", 13, 14, 15, 16));
RTCDataChannelStats expected_data_channel3("RTCDataChannel_3", 0);
expected_data_channel3.label = "MockDataChannel3";
expected_data_channel3.protocol = "tcp";
expected_data_channel3.datachannelid = 3;
expected_data_channel3.state = "closed";
expected_data_channel3.messages_sent = 13;
expected_data_channel3.bytes_sent = 14;
expected_data_channel3.messages_received = 15;
expected_data_channel3.bytes_received = 16;
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get(expected_data_channel0.id()));
EXPECT_EQ(
expected_data_channel0,
report->Get(expected_data_channel0.id())->cast_to<RTCDataChannelStats>());
ASSERT_TRUE(report->Get(expected_data_channel1.id()));
EXPECT_EQ(
expected_data_channel1,
report->Get(expected_data_channel1.id())->cast_to<RTCDataChannelStats>());
ASSERT_TRUE(report->Get(expected_data_channel2.id()));
EXPECT_EQ(
expected_data_channel2,
report->Get(expected_data_channel2.id())->cast_to<RTCDataChannelStats>());
ASSERT_TRUE(report->Get(expected_data_channel3.id()));
EXPECT_EQ(
expected_data_channel3,
report->Get(expected_data_channel3.id())->cast_to<RTCDataChannelStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidateStats) {
// Candidates in the first transport stats.
std::unique_ptr<cricket::Candidate> a_local_host =
CreateFakeCandidate("1.2.3.4", 5, "a_local_host's protocol",
rtc::ADAPTER_TYPE_VPN, cricket::LOCAL_PORT_TYPE, 0);
RTCLocalIceCandidateStats expected_a_local_host(
"RTCIceCandidate_" + a_local_host->id(), 0);
expected_a_local_host.transport_id = "RTCTransport_a_0";
expected_a_local_host.network_type = "vpn";
expected_a_local_host.ip = "1.2.3.4";
expected_a_local_host.port = 5;
expected_a_local_host.protocol = "a_local_host's protocol";
expected_a_local_host.candidate_type = "host";
expected_a_local_host.priority = 0;
EXPECT_FALSE(*expected_a_local_host.is_remote);
std::unique_ptr<cricket::Candidate> a_remote_srflx = CreateFakeCandidate(
"6.7.8.9", 10, "remote_srflx's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
cricket::STUN_PORT_TYPE, 1);
RTCRemoteIceCandidateStats expected_a_remote_srflx(
"RTCIceCandidate_" + a_remote_srflx->id(), 0);
expected_a_remote_srflx.transport_id = "RTCTransport_a_0";
expected_a_remote_srflx.ip = "6.7.8.9";
expected_a_remote_srflx.port = 10;
expected_a_remote_srflx.protocol = "remote_srflx's protocol";
expected_a_remote_srflx.candidate_type = "srflx";
expected_a_remote_srflx.priority = 1;
expected_a_remote_srflx.deleted = false;
EXPECT_TRUE(*expected_a_remote_srflx.is_remote);
std::unique_ptr<cricket::Candidate> a_local_prflx = CreateFakeCandidate(
"11.12.13.14", 15, "a_local_prflx's protocol", rtc::ADAPTER_TYPE_CELLULAR,
cricket::PRFLX_PORT_TYPE, 2);
RTCLocalIceCandidateStats expected_a_local_prflx(
"RTCIceCandidate_" + a_local_prflx->id(), 0);
expected_a_local_prflx.transport_id = "RTCTransport_a_0";
expected_a_local_prflx.network_type = "cellular";
expected_a_local_prflx.ip = "11.12.13.14";
expected_a_local_prflx.port = 15;
expected_a_local_prflx.protocol = "a_local_prflx's protocol";
expected_a_local_prflx.candidate_type = "prflx";
expected_a_local_prflx.priority = 2;
expected_a_local_prflx.deleted = false;
EXPECT_FALSE(*expected_a_local_prflx.is_remote);
std::unique_ptr<cricket::Candidate> a_remote_relay = CreateFakeCandidate(
"16.17.18.19", 20, "a_remote_relay's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
cricket::RELAY_PORT_TYPE, 3);
RTCRemoteIceCandidateStats expected_a_remote_relay(
"RTCIceCandidate_" + a_remote_relay->id(), 0);
expected_a_remote_relay.transport_id = "RTCTransport_a_0";
expected_a_remote_relay.ip = "16.17.18.19";
expected_a_remote_relay.port = 20;
expected_a_remote_relay.protocol = "a_remote_relay's protocol";
expected_a_remote_relay.candidate_type = "relay";
expected_a_remote_relay.priority = 3;
expected_a_remote_relay.deleted = false;
EXPECT_TRUE(*expected_a_remote_relay.is_remote);
std::unique_ptr<cricket::Candidate> a_local_relay = CreateFakeCandidate(
"16.17.18.19", 21, "a_local_relay's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
cricket::RELAY_PORT_TYPE, 1);
a_local_relay->set_relay_protocol("tcp");
RTCRemoteIceCandidateStats expected_a_local_relay(
"RTCIceCandidate_" + a_local_relay->id(), 0);
expected_a_local_relay.transport_id = "RTCTransport_a_0";
expected_a_local_relay.ip = "16.17.18.19";
expected_a_local_relay.port = 21;
expected_a_local_relay.protocol = "a_local_relay's protocol";
expected_a_local_relay.relay_protocol = "tcp";
expected_a_local_relay.candidate_type = "relay";
expected_a_local_relay.priority = 1;
expected_a_local_relay.deleted = false;
EXPECT_TRUE(*expected_a_local_relay.is_remote);
// Candidates in the second transport stats.
std::unique_ptr<cricket::Candidate> b_local =
CreateFakeCandidate("42.42.42.42", 42, "b_local's protocol",
rtc::ADAPTER_TYPE_WIFI, cricket::LOCAL_PORT_TYPE, 42);
RTCLocalIceCandidateStats expected_b_local("RTCIceCandidate_" + b_local->id(),
0);
expected_b_local.transport_id = "RTCTransport_b_0";
expected_b_local.network_type = "wifi";
expected_b_local.ip = "42.42.42.42";
expected_b_local.port = 42;
expected_b_local.protocol = "b_local's protocol";
expected_b_local.candidate_type = "host";
expected_b_local.priority = 42;
expected_b_local.deleted = false;
EXPECT_FALSE(*expected_b_local.is_remote);
std::unique_ptr<cricket::Candidate> b_remote = CreateFakeCandidate(
"42.42.42.42", 42, "b_remote's protocol", rtc::ADAPTER_TYPE_UNKNOWN,
cricket::LOCAL_PORT_TYPE, 42);
RTCRemoteIceCandidateStats expected_b_remote(
"RTCIceCandidate_" + b_remote->id(), 0);
expected_b_remote.transport_id = "RTCTransport_b_0";
expected_b_remote.ip = "42.42.42.42";
expected_b_remote.port = 42;
expected_b_remote.protocol = "b_remote's protocol";
expected_b_remote.candidate_type = "host";
expected_b_remote.priority = 42;
expected_b_remote.deleted = false;
EXPECT_TRUE(*expected_b_remote.is_remote);
// Add candidate pairs to connection.
cricket::TransportChannelStats a_transport_channel_stats;
a_transport_channel_stats.connection_infos.push_back(
cricket::ConnectionInfo());
a_transport_channel_stats.connection_infos[0].local_candidate =
*a_local_host.get();
a_transport_channel_stats.connection_infos[0].remote_candidate =
*a_remote_srflx.get();
a_transport_channel_stats.connection_infos.push_back(
cricket::ConnectionInfo());
a_transport_channel_stats.connection_infos[1].local_candidate =
*a_local_prflx.get();
a_transport_channel_stats.connection_infos[1].remote_candidate =
*a_remote_relay.get();
a_transport_channel_stats.connection_infos.push_back(
cricket::ConnectionInfo());
a_transport_channel_stats.connection_infos[2].local_candidate =
*a_local_relay.get();
a_transport_channel_stats.connection_infos[2].remote_candidate =
*a_remote_relay.get();
pc_->AddVoiceChannel("audio", "a");
pc_->SetTransportStats("a", a_transport_channel_stats);
cricket::TransportChannelStats b_transport_channel_stats;
b_transport_channel_stats.connection_infos.push_back(
cricket::ConnectionInfo());
b_transport_channel_stats.connection_infos[0].local_candidate =
*b_local.get();
b_transport_channel_stats.connection_infos[0].remote_candidate =
*b_remote.get();
pc_->AddVideoChannel("video", "b");
pc_->SetTransportStats("b", b_transport_channel_stats);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get(expected_a_local_host.id()));
EXPECT_EQ(expected_a_local_host, report->Get(expected_a_local_host.id())
->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_remote_srflx.id()));
EXPECT_EQ(expected_a_remote_srflx,
report->Get(expected_a_remote_srflx.id())
->cast_to<RTCRemoteIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_local_prflx.id()));
EXPECT_EQ(expected_a_local_prflx, report->Get(expected_a_local_prflx.id())
->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_a_remote_relay.id()));
EXPECT_EQ(expected_a_remote_relay,
report->Get(expected_a_remote_relay.id())
->cast_to<RTCRemoteIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_b_local.id()));
EXPECT_EQ(
expected_b_local,
report->Get(expected_b_local.id())->cast_to<RTCLocalIceCandidateStats>());
ASSERT_TRUE(report->Get(expected_b_remote.id()));
EXPECT_EQ(expected_b_remote, report->Get(expected_b_remote.id())
->cast_to<RTCRemoteIceCandidateStats>());
EXPECT_TRUE(report->Get("RTCTransport_a_0"));
EXPECT_TRUE(report->Get("RTCTransport_b_0"));
}
TEST_F(RTCStatsCollectorTest, CollectRTCIceCandidatePairStats) {
const char kTransportName[] = "transport";
std::unique_ptr<cricket::Candidate> local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
cricket::LOCAL_PORT_TYPE, 42);
std::unique_ptr<cricket::Candidate> remote_candidate = CreateFakeCandidate(
"42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_UNKNOWN,
cricket::LOCAL_PORT_TYPE, 42);
cricket::ConnectionInfo connection_info;
connection_info.best_connection = false;
connection_info.local_candidate = *local_candidate.get();
connection_info.remote_candidate = *remote_candidate.get();
connection_info.writable = true;
connection_info.sent_total_bytes = 42;
connection_info.recv_total_bytes = 1234;
connection_info.total_round_trip_time_ms = 0;
connection_info.current_round_trip_time_ms = absl::nullopt;
connection_info.recv_ping_requests = 2020;
connection_info.sent_ping_requests_total = 2020;
connection_info.sent_ping_requests_before_first_response = 2000;
connection_info.recv_ping_responses = 4321;
connection_info.sent_ping_responses = 1000;
connection_info.state = cricket::IceCandidatePairState::IN_PROGRESS;
connection_info.priority = 5555;
connection_info.nominated = false;
cricket::TransportChannelStats transport_channel_stats;
transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
transport_channel_stats.connection_infos.push_back(connection_info);
pc_->AddVideoChannel("video", kTransportName);
pc_->SetTransportStats(kTransportName, transport_channel_stats);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCIceCandidatePairStats expected_pair("RTCIceCandidatePair_" +
local_candidate->id() + "_" +
remote_candidate->id(),
report->timestamp_us());
expected_pair.transport_id =
"RTCTransport_transport_" +
rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP);
expected_pair.local_candidate_id = "RTCIceCandidate_" + local_candidate->id();
expected_pair.remote_candidate_id =
"RTCIceCandidate_" + remote_candidate->id();
expected_pair.state = RTCStatsIceCandidatePairState::kInProgress;
expected_pair.priority = 5555;
expected_pair.nominated = false;
expected_pair.writable = true;
expected_pair.bytes_sent = 42;
expected_pair.bytes_received = 1234;
expected_pair.total_round_trip_time = 0.0;
expected_pair.requests_received = 2020;
expected_pair.requests_sent = 2000;
expected_pair.responses_received = 4321;
expected_pair.responses_sent = 1000;
expected_pair.consent_requests_sent = (2020 - 2000);
// |expected_pair.current_round_trip_time| should be undefined because the
// current RTT is not set.
// |expected_pair.available_[outgoing/incoming]_bitrate| should be undefined
// because is is not the current pair.
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
// Set nominated and "GetStats" again.
transport_channel_stats.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.connection_infos[0].total_round_trip_time_ms = 7331;
transport_channel_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.connection_infos[0].best_connection = true;
pc_->SetTransportStats(kTransportName, transport_channel_stats);
report = stats_->GetFreshStatsReport();
// |expected_pair.available_[outgoing/incoming]_bitrate| should still be
// undefined because bandwidth is not set.
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
// Set bandwidth and "GetStats" again.
webrtc::Call::Stats call_stats;
const int kSendBandwidth = 888;
call_stats.send_bandwidth_bps = kSendBandwidth;
const int kRecvBandwidth = 999;
call_stats.recv_bandwidth_bps = kRecvBandwidth;
pc_->SetCallStats(call_stats);
report = stats_->GetFreshStatsReport();
expected_pair.available_outgoing_bitrate = kSendBandwidth;
expected_pair.available_incoming_bitrate = kRecvBandwidth;
ASSERT_TRUE(report->Get(expected_pair.id()));
EXPECT_EQ(
expected_pair,
report->Get(expected_pair.id())->cast_to<RTCIceCandidatePairStats>());
EXPECT_TRUE(report->Get(*expected_pair.transport_id));
RTCLocalIceCandidateStats expected_local_candidate(
*expected_pair.local_candidate_id, report->timestamp_us());
expected_local_candidate.transport_id = *expected_pair.transport_id;
expected_local_candidate.network_type = "wifi";
expected_local_candidate.ip = "42.42.42.42";
expected_local_candidate.port = 42;
expected_local_candidate.protocol = "protocol";
expected_local_candidate.candidate_type = "host";
expected_local_candidate.priority = 42;
expected_local_candidate.deleted = false;
EXPECT_FALSE(*expected_local_candidate.is_remote);
ASSERT_TRUE(report->Get(expected_local_candidate.id()));
EXPECT_EQ(expected_local_candidate,
report->Get(expected_local_candidate.id())
->cast_to<RTCLocalIceCandidateStats>());
RTCRemoteIceCandidateStats expected_remote_candidate(
*expected_pair.remote_candidate_id, report->timestamp_us());
expected_remote_candidate.transport_id = *expected_pair.transport_id;
expected_remote_candidate.ip = "42.42.42.42";
expected_remote_candidate.port = 42;
expected_remote_candidate.protocol = "protocol";
expected_remote_candidate.candidate_type = "host";
expected_remote_candidate.priority = 42;
expected_remote_candidate.deleted = false;
EXPECT_TRUE(*expected_remote_candidate.is_remote);
ASSERT_TRUE(report->Get(expected_remote_candidate.id()));
EXPECT_EQ(expected_remote_candidate,
report->Get(expected_remote_candidate.id())
->cast_to<RTCRemoteIceCandidateStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCPeerConnectionStats) {
{
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCPeerConnectionStats expected("RTCPeerConnection",
report->timestamp_us());
expected.data_channels_opened = 0;
expected.data_channels_closed = 0;
ASSERT_TRUE(report->Get("RTCPeerConnection"));
EXPECT_EQ(
expected,
report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>());
}
rtc::scoped_refptr<DataChannel> dummy_channel_a = DataChannel::Create(
nullptr, cricket::DCT_NONE, "DummyChannelA", InternalDataChannelInit());
pc_->SignalDataChannelCreated()(dummy_channel_a.get());
rtc::scoped_refptr<DataChannel> dummy_channel_b = DataChannel::Create(
nullptr, cricket::DCT_NONE, "DummyChannelB", InternalDataChannelInit());
pc_->SignalDataChannelCreated()(dummy_channel_b.get());
dummy_channel_a->SignalOpened(dummy_channel_a.get());
// Closing a channel that is not opened should not affect the counts.
dummy_channel_b->SignalClosed(dummy_channel_b.get());
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("RTCPeerConnection",
report->timestamp_us());
expected.data_channels_opened = 1;
expected.data_channels_closed = 0;
ASSERT_TRUE(report->Get("RTCPeerConnection"));
EXPECT_EQ(
expected,
report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>());
}
dummy_channel_b->SignalOpened(dummy_channel_b.get());
dummy_channel_b->SignalClosed(dummy_channel_b.get());
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("RTCPeerConnection",
report->timestamp_us());
expected.data_channels_opened = 2;
expected.data_channels_closed = 1;
ASSERT_TRUE(report->Get("RTCPeerConnection"));
EXPECT_EQ(
expected,
report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>());
}
// Re-opening a data channel (or opening a new data channel that is re-using
// the same address in memory) should increase the opened count.
dummy_channel_b->SignalOpened(dummy_channel_b.get());
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("RTCPeerConnection",
report->timestamp_us());
expected.data_channels_opened = 3;
expected.data_channels_closed = 1;
ASSERT_TRUE(report->Get("RTCPeerConnection"));
EXPECT_EQ(
expected,
report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>());
}
dummy_channel_a->SignalClosed(dummy_channel_a.get());
dummy_channel_b->SignalClosed(dummy_channel_b.get());
{
rtc::scoped_refptr<const RTCStatsReport> report =
stats_->GetFreshStatsReport();
RTCPeerConnectionStats expected("RTCPeerConnection",
report->timestamp_us());
expected.data_channels_opened = 3;
expected.data_channels_closed = 3;
ASSERT_TRUE(report->Get("RTCPeerConnection"));
EXPECT_EQ(
expected,
report->Get("RTCPeerConnection")->cast_to<RTCPeerConnectionStats>());
}
}
TEST_F(RTCStatsCollectorTest,
CollectLocalRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Audio) {
rtc::scoped_refptr<MediaStream> local_stream =
MediaStream::Create("LocalStreamId");
pc_->mutable_local_streams()->AddStream(local_stream);
// Local audio track
rtc::scoped_refptr<MediaStreamTrackInterface> local_audio_track =
CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "LocalAudioTrackID",
MediaStreamTrackInterface::kEnded);
local_stream->AddTrack(
static_cast<AudioTrackInterface*>(local_audio_track.get()));
cricket::VoiceSenderInfo voice_sender_info_ssrc1;
voice_sender_info_ssrc1.local_stats.push_back(cricket::SsrcSenderInfo());
voice_sender_info_ssrc1.local_stats[0].ssrc = 1;
voice_sender_info_ssrc1.apm_statistics.echo_return_loss = 42.0;
voice_sender_info_ssrc1.apm_statistics.echo_return_loss_enhancement = 52.0;
stats_->CreateMockRtpSendersReceiversAndChannels(
{std::make_pair(local_audio_track.get(), voice_sender_info_ssrc1)}, {},
{}, {}, {local_stream->id()}, {});
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCMediaStreamStats expected_local_stream(
IdForType<RTCMediaStreamStats>(report), report->timestamp_us());
expected_local_stream.stream_identifier = local_stream->id();
expected_local_stream.track_ids = {
IdForType<RTCMediaStreamTrackStats>(report)};
ASSERT_TRUE(report->Get(expected_local_stream.id()))
<< "Did not find " << expected_local_stream.id() << " in "
<< report->ToJson();
EXPECT_EQ(
expected_local_stream,
report->Get(expected_local_stream.id())->cast_to<RTCMediaStreamStats>());
RTCMediaStreamTrackStats expected_local_audio_track_ssrc1(
IdForType<RTCMediaStreamTrackStats>(report), report->timestamp_us(),
RTCMediaStreamTrackKind::kAudio);
expected_local_audio_track_ssrc1.track_identifier = local_audio_track->id();
expected_local_audio_track_ssrc1.media_source_id =
"RTCAudioSource_11"; // Attachment ID = SSRC + 10
expected_local_audio_track_ssrc1.remote_source = false;
expected_local_audio_track_ssrc1.ended = true;
expected_local_audio_track_ssrc1.detached = false;
expected_local_audio_track_ssrc1.echo_return_loss = 42.0;
expected_local_audio_track_ssrc1.echo_return_loss_enhancement = 52.0;
ASSERT_TRUE(report->Get(expected_local_audio_track_ssrc1.id()))
<< "Did not find " << expected_local_audio_track_ssrc1.id() << " in "
<< report->ToJson();
EXPECT_EQ(expected_local_audio_track_ssrc1,
report->Get(expected_local_audio_track_ssrc1.id())
->cast_to<RTCMediaStreamTrackStats>());
}
TEST_F(RTCStatsCollectorTest,
CollectRemoteRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Audio) {
rtc::scoped_refptr<MediaStream> remote_stream =
MediaStream::Create("RemoteStreamId");
pc_->mutable_remote_streams()->AddStream(remote_stream);
// Remote audio track
rtc::scoped_refptr<MediaStreamTrackInterface> remote_audio_track =
CreateFakeTrack(cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID",
MediaStreamTrackInterface::kLive);
remote_stream->AddTrack(
static_cast<AudioTrackInterface*>(remote_audio_track.get()));
cricket::VoiceReceiverInfo voice_receiver_info;
voice_receiver_info.local_stats.push_back(cricket::SsrcReceiverInfo());
voice_receiver_info.local_stats[0].ssrc = 3;
voice_receiver_info.audio_level = 16383;
voice_receiver_info.total_output_energy = 0.125;
voice_receiver_info.total_samples_received = 4567;
voice_receiver_info.total_output_duration = 0.25;
voice_receiver_info.concealed_samples = 123;
voice_receiver_info.concealment_events = 12;
voice_receiver_info.inserted_samples_for_deceleration = 987;
voice_receiver_info.removed_samples_for_acceleration = 876;
voice_receiver_info.silent_concealed_samples = 765;
voice_receiver_info.jitter_buffer_delay_seconds = 3456;
voice_receiver_info.jitter_buffer_emitted_count = 13;
voice_receiver_info.jitter_buffer_flushes = 7;
voice_receiver_info.delayed_packet_outage_samples = 15;
voice_receiver_info.relative_packet_arrival_delay_seconds = 16;
voice_receiver_info.interruption_count = 7788;
voice_receiver_info.total_interruption_duration_ms = 778899;
stats_->CreateMockRtpSendersReceiversAndChannels(
{}, {std::make_pair(remote_audio_track.get(), voice_receiver_info)}, {},
{}, {}, {remote_stream});
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCMediaStreamStats expected_remote_stream(
IdForType<RTCMediaStreamStats>(report), report->timestamp_us());
expected_remote_stream.stream_identifier = remote_stream->id();
expected_remote_stream.track_ids =
std::vector<std::string>({IdForType<RTCMediaStreamTrackStats>(report)});
ASSERT_TRUE(report->Get(expected_remote_stream.id()))
<< "Did not find " << expected_remote_stream.id() << " in "
<< report->ToJson();
EXPECT_EQ(
expected_remote_stream,
report->Get(expected_remote_stream.id())->cast_to<RTCMediaStreamStats>());
RTCMediaStreamTrackStats expected_remote_audio_track(
IdForType<RTCMediaStreamTrackStats>(report), report->timestamp_us(),
RTCMediaStreamTrackKind::kAudio);
expected_remote_audio_track.track_identifier = remote_audio_track->id();
// |expected_remote_audio_track.media_source_id| should be undefined
// because the track is remote.
expected_remote_audio_track.remote_source = true;
expected_remote_audio_track.ended = false;
expected_remote_audio_track.detached = false;
expected_remote_audio_track.audio_level = 16383.0 / 32767.0;
expected_remote_audio_track.total_audio_energy = 0.125;
expected_remote_audio_track.total_samples_received = 4567;
expected_remote_audio_track.total_samples_duration = 0.25;
expected_remote_audio_track.concealed_samples = 123;
expected_remote_audio_track.concealment_events = 12;
expected_remote_audio_track.inserted_samples_for_deceleration = 987;
expected_remote_audio_track.removed_samples_for_acceleration = 876;
expected_remote_audio_track.silent_concealed_samples = 765;
expected_remote_audio_track.jitter_buffer_delay = 3456;
expected_remote_audio_track.jitter_buffer_emitted_count = 13;
expected_remote_audio_track.jitter_buffer_flushes = 7;
expected_remote_audio_track.delayed_packet_outage_samples = 15;
expected_remote_audio_track.relative_packet_arrival_delay = 16;
expected_remote_audio_track.interruption_count = 7788;
expected_remote_audio_track.total_interruption_duration = 778.899;
ASSERT_TRUE(report->Get(expected_remote_audio_track.id()));
EXPECT_EQ(expected_remote_audio_track,
report->Get(expected_remote_audio_track.id())
->cast_to<RTCMediaStreamTrackStats>());
}
TEST_F(RTCStatsCollectorTest,
CollectLocalRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Video) {
rtc::scoped_refptr<MediaStream> local_stream =
MediaStream::Create("LocalStreamId");
pc_->mutable_local_streams()->AddStream(local_stream);
// Local video track
rtc::scoped_refptr<MediaStreamTrackInterface> local_video_track =
CreateFakeTrack(cricket::MEDIA_TYPE_VIDEO, "LocalVideoTrackID",
MediaStreamTrackInterface::kLive);
local_stream->AddTrack(
static_cast<VideoTrackInterface*>(local_video_track.get()));
cricket::VideoSenderInfo video_sender_info_ssrc1;
video_sender_info_ssrc1.local_stats.push_back(cricket::SsrcSenderInfo());
video_sender_info_ssrc1.local_stats[0].ssrc = 1;
video_sender_info_ssrc1.send_frame_width = 1234;
video_sender_info_ssrc1.send_frame_height = 4321;
video_sender_info_ssrc1.frames_encoded = 11;
video_sender_info_ssrc1.huge_frames_sent = 1;
stats_->CreateMockRtpSendersReceiversAndChannels(
{}, {},
{std::make_pair(local_video_track.get(), video_sender_info_ssrc1)}, {},
{local_stream->id()}, {});
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto stats_of_my_type = report->GetStatsOfType<RTCMediaStreamStats>();
ASSERT_EQ(1U, stats_of_my_type.size()) << "No stream in " << report->ToJson();
auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>();
ASSERT_EQ(1U, stats_of_track_type.size())
<< "Wrong number of tracks in " << report->ToJson();
RTCMediaStreamStats expected_local_stream(stats_of_my_type[0]->id(),
report->timestamp_us());
expected_local_stream.stream_identifier = local_stream->id();
expected_local_stream.track_ids =
std::vector<std::string>({stats_of_track_type[0]->id()});
ASSERT_TRUE(report->Get(expected_local_stream.id()));
EXPECT_EQ(
expected_local_stream,
report->Get(expected_local_stream.id())->cast_to<RTCMediaStreamStats>());
RTCMediaStreamTrackStats expected_local_video_track_ssrc1(
stats_of_track_type[0]->id(), report->timestamp_us(),
RTCMediaStreamTrackKind::kVideo);
expected_local_video_track_ssrc1.track_identifier = local_video_track->id();
expected_local_video_track_ssrc1.media_source_id =
"RTCVideoSource_11"; // Attachment ID = SSRC + 10
expected_local_video_track_ssrc1.remote_source = false;
expected_local_video_track_ssrc1.ended = false;
expected_local_video_track_ssrc1.detached = false;
expected_local_video_track_ssrc1.frame_width = 1234;
expected_local_video_track_ssrc1.frame_height = 4321;
expected_local_video_track_ssrc1.frames_sent = 11;
expected_local_video_track_ssrc1.huge_frames_sent = 1;
ASSERT_TRUE(report->Get(expected_local_video_track_ssrc1.id()));
EXPECT_EQ(expected_local_video_track_ssrc1,
report->Get(expected_local_video_track_ssrc1.id())
->cast_to<RTCMediaStreamTrackStats>());
}
TEST_F(RTCStatsCollectorTest,
CollectRemoteRTCMediaStreamStatsAndRTCMediaStreamTrackStats_Video) {
rtc::scoped_refptr<MediaStream> remote_stream =
MediaStream::Create("RemoteStreamId");
pc_->mutable_remote_streams()->AddStream(remote_stream);
// Remote video track with values
rtc::scoped_refptr<MediaStreamTrackInterface> remote_video_track_ssrc3 =
CreateFakeTrack(cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID3",
MediaStreamTrackInterface::kEnded);
remote_stream->AddTrack(
static_cast<VideoTrackInterface*>(remote_video_track_ssrc3.get()));
cricket::VideoReceiverInfo video_receiver_info_ssrc3;
video_receiver_info_ssrc3.local_stats.push_back(cricket::SsrcReceiverInfo());
video_receiver_info_ssrc3.local_stats[0].ssrc = 3;
video_receiver_info_ssrc3.frame_width = 6789;
video_receiver_info_ssrc3.frame_height = 9876;
video_receiver_info_ssrc3.jitter_buffer_delay_seconds = 2.5;
video_receiver_info_ssrc3.jitter_buffer_emitted_count = 25;
video_receiver_info_ssrc3.frames_received = 1000;
video_receiver_info_ssrc3.frames_decoded = 995;
video_receiver_info_ssrc3.frames_rendered = 990;
video_receiver_info_ssrc3.freeze_count = 3;
video_receiver_info_ssrc3.pause_count = 2;
video_receiver_info_ssrc3.total_freezes_duration_ms = 1000;
video_receiver_info_ssrc3.total_pauses_duration_ms = 10000;
video_receiver_info_ssrc3.total_frames_duration_ms = 15000;
video_receiver_info_ssrc3.sum_squared_frame_durations = 1.5;
stats_->CreateMockRtpSendersReceiversAndChannels(
{}, {}, {},
{std::make_pair(remote_video_track_ssrc3.get(),
video_receiver_info_ssrc3)},
{}, {remote_stream});
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto stats_of_my_type = report->GetStatsOfType<RTCMediaStreamStats>();
ASSERT_EQ(1U, stats_of_my_type.size()) << "No stream in " << report->ToJson();
auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>();
ASSERT_EQ(1U, stats_of_track_type.size())
<< "Wrong number of tracks in " << report->ToJson();
ASSERT_TRUE(*(stats_of_track_type[0]->remote_source));
RTCMediaStreamStats expected_remote_stream(stats_of_my_type[0]->id(),
report->timestamp_us());
expected_remote_stream.stream_identifier = remote_stream->id();
expected_remote_stream.track_ids =
std::vector<std::string>({stats_of_track_type[0]->id()});
ASSERT_TRUE(report->Get(expected_remote_stream.id()));
EXPECT_EQ(
expected_remote_stream,
report->Get(expected_remote_stream.id())->cast_to<RTCMediaStreamStats>());
RTCMediaStreamTrackStats expected_remote_video_track_ssrc3(
stats_of_track_type[0]->id(), report->timestamp_us(),
RTCMediaStreamTrackKind::kVideo);
expected_remote_video_track_ssrc3.track_identifier =
remote_video_track_ssrc3->id();
// |expected_remote_video_track_ssrc3.media_source_id| should be undefined
// because the track is remote.
expected_remote_video_track_ssrc3.remote_source = true;
expected_remote_video_track_ssrc3.ended = true;
expected_remote_video_track_ssrc3.detached = false;
expected_remote_video_track_ssrc3.frame_width = 6789;
expected_remote_video_track_ssrc3.frame_height = 9876;
expected_remote_video_track_ssrc3.jitter_buffer_delay = 2.5;
expected_remote_video_track_ssrc3.jitter_buffer_emitted_count = 25;
expected_remote_video_track_ssrc3.frames_received = 1000;
expected_remote_video_track_ssrc3.frames_decoded = 995;
expected_remote_video_track_ssrc3.frames_dropped = 1000 - 990;
expected_remote_video_track_ssrc3.freeze_count = 3;
expected_remote_video_track_ssrc3.pause_count = 2;
expected_remote_video_track_ssrc3.total_freezes_duration = 1;
expected_remote_video_track_ssrc3.total_pauses_duration = 10;
expected_remote_video_track_ssrc3.total_frames_duration = 15;
expected_remote_video_track_ssrc3.sum_squared_frame_durations = 1.5;
ASSERT_TRUE(report->Get(expected_remote_video_track_ssrc3.id()));
EXPECT_EQ(expected_remote_video_track_ssrc3,
report->Get(expected_remote_video_track_ssrc3.id())
->cast_to<RTCMediaStreamTrackStats>());
}
TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Audio) {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.receivers.push_back(cricket::VoiceReceiverInfo());
voice_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
voice_media_info.receivers[0].local_stats[0].ssrc = 1;
voice_media_info.receivers[0].packets_lost = -1; // Signed per RFC3550
voice_media_info.receivers[0].packets_rcvd = 2;
voice_media_info.receivers[0].fec_packets_discarded = 5566;
voice_media_info.receivers[0].fec_packets_received = 6677;
voice_media_info.receivers[0].bytes_rcvd = 3;
voice_media_info.receivers[0].codec_payload_type = 42;
voice_media_info.receivers[0].jitter_ms = 4500;
voice_media_info.receivers[0].last_packet_received_timestamp_ms =
absl::nullopt;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
voice_media_info.receive_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName");
voice_media_channel->SetStats(voice_media_info);
stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_AUDIO, "RemoteAudioTrackID", "RemoteStreamId", 1);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>();
ASSERT_EQ(1U, stats_of_track_type.size());
RTCInboundRTPStreamStats expected_audio("RTCInboundRTPAudioStream_1",
report->timestamp_us());
expected_audio.ssrc = 1;
expected_audio.is_remote = false;
expected_audio.media_type = "audio";
expected_audio.kind = "audio";
expected_audio.track_id = stats_of_track_type[0]->id();
expected_audio.transport_id = "RTCTransport_TransportName_1";
expected_audio.codec_id = "RTCCodec_AudioMid_Inbound_42";
expected_audio.packets_received = 2;
expected_audio.fec_packets_discarded = 5566;
expected_audio.fec_packets_received = 6677;
expected_audio.bytes_received = 3;
expected_audio.packets_lost = -1;
// |expected_audio.last_packet_received_timestamp| should be undefined.
expected_audio.jitter = 4.5;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCInboundRTPStreamStats>(),
expected_audio);
// Set previously undefined values and "GetStats" again.
voice_media_info.receivers[0].last_packet_received_timestamp_ms = 3000;
expected_audio.last_packet_received_timestamp = 3.0;
voice_media_channel->SetStats(voice_media_info);
report = stats_->GetFreshStatsReport();
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCInboundRTPStreamStats>(),
expected_audio);
EXPECT_TRUE(report->Get(*expected_audio.track_id));
EXPECT_TRUE(report->Get(*expected_audio.transport_id));
EXPECT_TRUE(report->Get(*expected_audio.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCInboundRTPStreamStats_Video) {
cricket::VideoMediaInfo video_media_info;
video_media_info.receivers.push_back(cricket::VideoReceiverInfo());
video_media_info.receivers[0].local_stats.push_back(
cricket::SsrcReceiverInfo());
video_media_info.receivers[0].local_stats[0].ssrc = 1;
video_media_info.receivers[0].packets_rcvd = 2;
video_media_info.receivers[0].packets_lost = 42;
video_media_info.receivers[0].bytes_rcvd = 3;
video_media_info.receivers[0].codec_payload_type = 42;
video_media_info.receivers[0].firs_sent = 5;
video_media_info.receivers[0].plis_sent = 6;
video_media_info.receivers[0].nacks_sent = 7;
video_media_info.receivers[0].frames_decoded = 8;
video_media_info.receivers[0].key_frames_decoded = 3;
video_media_info.receivers[0].qp_sum = absl::nullopt;
video_media_info.receivers[0].total_decode_time_ms = 9000;
video_media_info.receivers[0].last_packet_received_timestamp_ms =
absl::nullopt;
video_media_info.receivers[0].content_type = VideoContentType::UNSPECIFIED;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
video_media_info.receive_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName");
video_media_channel->SetStats(video_media_info);
stats_->SetupRemoteTrackAndReceiver(
cricket::MEDIA_TYPE_VIDEO, "RemoteVideoTrackID", "RemoteStreamId", 1);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCInboundRTPStreamStats expected_video("RTCInboundRTPVideoStream_1",
report->timestamp_us());
expected_video.ssrc = 1;
expected_video.is_remote = false;
expected_video.media_type = "video";
expected_video.kind = "video";
expected_video.track_id = IdForType<RTCMediaStreamTrackStats>(report);
expected_video.transport_id = "RTCTransport_TransportName_1";
expected_video.codec_id = "RTCCodec_VideoMid_Inbound_42";
expected_video.fir_count = 5;
expected_video.pli_count = 6;
expected_video.nack_count = 7;
expected_video.packets_received = 2;
expected_video.bytes_received = 3;
expected_video.packets_lost = 42;
expected_video.frames_decoded = 8;
expected_video.key_frames_decoded = 3;
// |expected_video.qp_sum| should be undefined.
expected_video.total_decode_time = 9.0;
// |expected_video.last_packet_received_timestamp| should be undefined.
// |expected_video.content_type| should be undefined.
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(
report->Get(expected_video.id())->cast_to<RTCInboundRTPStreamStats>(),
expected_video);
// Set previously undefined values and "GetStats" again.
video_media_info.receivers[0].qp_sum = 9;
video_media_info.receivers[0].last_packet_received_timestamp_ms = 1000;
expected_video.qp_sum = 9;
expected_video.last_packet_received_timestamp = 1.0;
video_media_info.receivers[0].content_type = VideoContentType::SCREENSHARE;
expected_video.content_type = "screenshare";
video_media_channel->SetStats(video_media_info);
report = stats_->GetFreshStatsReport();
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(
report->Get(expected_video.id())->cast_to<RTCInboundRTPStreamStats>(),
expected_video);
EXPECT_TRUE(report->Get(*expected_video.track_id));
EXPECT_TRUE(report->Get(*expected_video.transport_id));
EXPECT_TRUE(report->Get(*expected_video.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Audio) {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = 1;
voice_media_info.senders[0].packets_sent = 2;
voice_media_info.senders[0].retransmitted_packets_sent = 20;
voice_media_info.senders[0].bytes_sent = 3;
voice_media_info.senders[0].retransmitted_bytes_sent = 30;
voice_media_info.senders[0].codec_payload_type = 42;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
voice_media_info.send_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName");
voice_media_channel->SetStats(voice_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO,
"LocalAudioTrackID", 1, true,
/*attachment_id=*/50);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCOutboundRTPStreamStats expected_audio("RTCOutboundRTPAudioStream_1",
report->timestamp_us());
expected_audio.media_source_id = "RTCAudioSource_50";
expected_audio.ssrc = 1;
expected_audio.is_remote = false;
expected_audio.media_type = "audio";
expected_audio.kind = "audio";
expected_audio.track_id = IdForType<RTCMediaStreamTrackStats>(report);
expected_audio.transport_id = "RTCTransport_TransportName_1";
expected_audio.codec_id = "RTCCodec_AudioMid_Outbound_42";
expected_audio.packets_sent = 2;
expected_audio.retransmitted_packets_sent = 20;
expected_audio.bytes_sent = 3;
expected_audio.retransmitted_bytes_sent = 30;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(),
expected_audio);
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(),
expected_audio);
EXPECT_TRUE(report->Get(*expected_audio.track_id));
EXPECT_TRUE(report->Get(*expected_audio.transport_id));
EXPECT_TRUE(report->Get(*expected_audio.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCOutboundRTPStreamStats_Video) {
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = 1;
video_media_info.senders[0].firs_rcvd = 2;
video_media_info.senders[0].plis_rcvd = 3;
video_media_info.senders[0].nacks_rcvd = 4;
video_media_info.senders[0].packets_sent = 5;
video_media_info.senders[0].retransmitted_packets_sent = 50;
video_media_info.senders[0].bytes_sent = 6;
video_media_info.senders[0].retransmitted_bytes_sent = 60;
video_media_info.senders[0].codec_payload_type = 42;
video_media_info.senders[0].frames_encoded = 8;
video_media_info.senders[0].key_frames_encoded = 3;
video_media_info.senders[0].total_encode_time_ms = 9000;
video_media_info.senders[0].total_encoded_bytes_target = 1234;
video_media_info.senders[0].total_packet_send_delay_ms = 10000;
video_media_info.senders[0].quality_limitation_reason =
QualityLimitationReason::kBandwidth;
video_media_info.senders[0].qp_sum = absl::nullopt;
video_media_info.senders[0].content_type = VideoContentType::UNSPECIFIED;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
video_media_info.send_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName");
video_media_channel->SetStats(video_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_VIDEO,
"LocalVideoTrackID", 1, true,
/*attachment_id=*/50);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
auto stats_of_my_type = report->GetStatsOfType<RTCOutboundRTPStreamStats>();
ASSERT_EQ(1U, stats_of_my_type.size());
auto stats_of_track_type = report->GetStatsOfType<RTCMediaStreamTrackStats>();
ASSERT_EQ(1U, stats_of_track_type.size());
RTCOutboundRTPStreamStats expected_video(stats_of_my_type[0]->id(),
report->timestamp_us());
expected_video.media_source_id = "RTCVideoSource_50";
expected_video.ssrc = 1;
expected_video.is_remote = false;
expected_video.media_type = "video";
expected_video.kind = "video";
expected_video.track_id = stats_of_track_type[0]->id();
expected_video.transport_id = "RTCTransport_TransportName_1";
expected_video.codec_id = "RTCCodec_VideoMid_Outbound_42";
expected_video.fir_count = 2;
expected_video.pli_count = 3;
expected_video.nack_count = 4;
expected_video.packets_sent = 5;
expected_video.retransmitted_packets_sent = 50;
expected_video.bytes_sent = 6;
expected_video.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.content_type| should be undefined.
// |expected_video.qp_sum| 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_channel->SetStats(video_media_info);
report = stats_->GetFreshStatsReport();
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(
report->Get(expected_video.id())->cast_to<RTCOutboundRTPStreamStats>(),
expected_video);
EXPECT_TRUE(report->Get(*expected_video.track_id));
EXPECT_TRUE(report->Get(*expected_video.transport_id));
EXPECT_TRUE(report->Get(*expected_video.codec_id));
}
TEST_F(RTCStatsCollectorTest, CollectRTCTransportStats) {
const char kTransportName[] = "transport";
pc_->AddVoiceChannel("audio", kTransportName);
std::unique_ptr<cricket::Candidate> rtp_local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
cricket::LOCAL_PORT_TYPE, 42);
std::unique_ptr<cricket::Candidate> rtp_remote_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol",
rtc::ADAPTER_TYPE_UNKNOWN, cricket::LOCAL_PORT_TYPE,
42);
std::unique_ptr<cricket::Candidate> rtcp_local_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol", rtc::ADAPTER_TYPE_WIFI,
cricket::LOCAL_PORT_TYPE, 42);
std::unique_ptr<cricket::Candidate> rtcp_remote_candidate =
CreateFakeCandidate("42.42.42.42", 42, "protocol",
rtc::ADAPTER_TYPE_UNKNOWN, cricket::LOCAL_PORT_TYPE,
42);
cricket::ConnectionInfo rtp_connection_info;
rtp_connection_info.best_connection = false;
rtp_connection_info.local_candidate = *rtp_local_candidate.get();
rtp_connection_info.remote_candidate = *rtp_remote_candidate.get();
rtp_connection_info.sent_total_bytes = 42;
rtp_connection_info.recv_total_bytes = 1337;
cricket::TransportChannelStats rtp_transport_channel_stats;
rtp_transport_channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
rtp_transport_channel_stats.connection_infos.push_back(rtp_connection_info);
rtp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_NEW;
pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats});
// Get stats without RTCP, an active connection or certificates.
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCTransportStats expected_rtp_transport(
"RTCTransport_transport_" +
rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTP),
report->timestamp_us());
expected_rtp_transport.bytes_sent = 42;
expected_rtp_transport.bytes_received = 1337;
expected_rtp_transport.dtls_state = RTCDtlsTransportState::kNew;
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
cricket::ConnectionInfo rtcp_connection_info;
rtcp_connection_info.best_connection = false;
rtcp_connection_info.local_candidate = *rtcp_local_candidate.get();
rtcp_connection_info.remote_candidate = *rtcp_remote_candidate.get();
rtcp_connection_info.sent_total_bytes = 1337;
rtcp_connection_info.recv_total_bytes = 42;
cricket::TransportChannelStats rtcp_transport_channel_stats;
rtcp_transport_channel_stats.component =
cricket::ICE_CANDIDATE_COMPONENT_RTCP;
rtcp_transport_channel_stats.connection_infos.push_back(rtcp_connection_info);
rtcp_transport_channel_stats.dtls_state = cricket::DTLS_TRANSPORT_CONNECTING;
pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats,
rtcp_transport_channel_stats});
// Get stats with RTCP and without an active connection or certificates.
report = stats_->GetFreshStatsReport();
RTCTransportStats expected_rtcp_transport(
"RTCTransport_transport_" +
rtc::ToString(cricket::ICE_CANDIDATE_COMPONENT_RTCP),
report->timestamp_us());
expected_rtcp_transport.bytes_sent = 1337;
expected_rtcp_transport.bytes_received = 42;
expected_rtcp_transport.dtls_state = RTCDtlsTransportState::kConnecting;
expected_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.connection_infos[0].best_connection = true;
pc_->SetTransportStats(kTransportName, {rtp_transport_channel_stats,
rtcp_transport_channel_stats});
report = stats_->GetFreshStatsReport();
expected_rtcp_transport.selected_candidate_pair_id =
"RTCIceCandidatePair_" + rtcp_local_candidate->id() + "_" +
rtcp_remote_candidate->id();
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
ASSERT_TRUE(report->Get(expected_rtcp_transport.id()));
EXPECT_EQ(
expected_rtcp_transport,
report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>());
// Get stats with certificates.
std::unique_ptr<CertificateInfo> local_certinfo =
CreateFakeCertificateAndInfoFromDers({"(local) local", "(local) chain"});
pc_->SetLocalCertificate(kTransportName, local_certinfo->certificate);
std::unique_ptr<CertificateInfo> remote_certinfo =
CreateFakeCertificateAndInfoFromDers(
{"(remote) local", "(remote) chain"});
pc_->SetRemoteCertChain(
kTransportName,
remote_certinfo->certificate->GetSSLCertificateChain().Clone());
report = stats_->GetFreshStatsReport();
expected_rtp_transport.local_certificate_id =
"RTCCertificate_" + local_certinfo->fingerprints[0];
expected_rtp_transport.remote_certificate_id =
"RTCCertificate_" + remote_certinfo->fingerprints[0];
expected_rtcp_transport.local_certificate_id =
*expected_rtp_transport.local_certificate_id;
expected_rtcp_transport.remote_certificate_id =
*expected_rtp_transport.remote_certificate_id;
ASSERT_TRUE(report->Get(expected_rtp_transport.id()));
EXPECT_EQ(
expected_rtp_transport,
report->Get(expected_rtp_transport.id())->cast_to<RTCTransportStats>());
ASSERT_TRUE(report->Get(expected_rtcp_transport.id()));
EXPECT_EQ(
expected_rtcp_transport,
report->Get(expected_rtcp_transport.id())->cast_to<RTCTransportStats>());
}
TEST_F(RTCStatsCollectorTest, CollectNoStreamRTCOutboundRTPStreamStats_Audio) {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = 1;
voice_media_info.senders[0].packets_sent = 2;
voice_media_info.senders[0].retransmitted_packets_sent = 20;
voice_media_info.senders[0].bytes_sent = 3;
voice_media_info.senders[0].retransmitted_bytes_sent = 30;
voice_media_info.senders[0].codec_payload_type = 42;
RtpCodecParameters codec_parameters;
codec_parameters.payload_type = 42;
codec_parameters.kind = cricket::MEDIA_TYPE_AUDIO;
codec_parameters.name = "dummy";
codec_parameters.clock_rate = 0;
voice_media_info.send_codecs.insert(
std::make_pair(codec_parameters.payload_type, codec_parameters));
// Emulates the case where AddTrack is used without an associated MediaStream
auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName");
voice_media_channel->SetStats(voice_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO,
"LocalAudioTrackID", 1, false,
/*attachment_id=*/50);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCOutboundRTPStreamStats expected_audio("RTCOutboundRTPAudioStream_1",
report->timestamp_us());
expected_audio.media_source_id = "RTCAudioSource_50";
expected_audio.ssrc = 1;
expected_audio.is_remote = false;
expected_audio.media_type = "audio";
expected_audio.kind = "audio";
expected_audio.track_id = IdForType<RTCMediaStreamTrackStats>(report);
expected_audio.transport_id = "RTCTransport_TransportName_1";
expected_audio.codec_id = "RTCCodec_AudioMid_Outbound_42";
expected_audio.packets_sent = 2;
expected_audio.retransmitted_packets_sent = 20;
expected_audio.bytes_sent = 3;
expected_audio.retransmitted_bytes_sent = 30;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(
report->Get(expected_audio.id())->cast_to<RTCOutboundRTPStreamStats>(),
expected_audio);
EXPECT_TRUE(report->Get(*expected_audio.track_id));
EXPECT_TRUE(report->Get(*expected_audio.transport_id));
EXPECT_TRUE(report->Get(*expected_audio.codec_id));
}
TEST_F(RTCStatsCollectorTest, RTCAudioSourceStatsCollectedForSenderWithTrack) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = kSsrc;
voice_media_info.senders[0].audio_level = 32767; // [0,32767]
voice_media_info.senders[0].total_input_energy = 2.0;
voice_media_info.senders[0].total_input_duration = 3.0;
auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName");
voice_media_channel->SetStats(voice_media_info);
stats_->SetupLocalTrackAndSender(cricket::MEDIA_TYPE_AUDIO,
"LocalAudioTrackID", kSsrc, false,
kAttachmentId);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCAudioSourceStats expected_audio("RTCAudioSource_42",
report->timestamp_us());
expected_audio.track_identifier = "LocalAudioTrackID";
expected_audio.kind = "audio";
expected_audio.audio_level = 1.0; // [0,1]
expected_audio.total_audio_energy = 2.0;
expected_audio.total_samples_duration = 3.0;
ASSERT_TRUE(report->Get(expected_audio.id()));
EXPECT_EQ(report->Get(expected_audio.id())->cast_to<RTCAudioSourceStats>(),
expected_audio);
}
TEST_F(RTCStatsCollectorTest, RTCVideoSourceStatsCollectedForSenderWithTrack) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
const int kVideoSourceWidth = 12;
const int kVideoSourceHeight = 34;
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = kSsrc;
video_media_info.senders[0].framerate_input = 29;
auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName");
video_media_channel->SetStats(video_media_info);
auto video_source = FakeVideoTrackSourceForStats::Create(kVideoSourceWidth,
kVideoSourceHeight);
auto video_track = FakeVideoTrackForStats::Create(
"LocalVideoTrackID", MediaStreamTrackInterface::kLive, video_source);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO, video_track, kSsrc, kAttachmentId, {});
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
RTCVideoSourceStats expected_video("RTCVideoSource_42",
report->timestamp_us());
expected_video.track_identifier = "LocalVideoTrackID";
expected_video.kind = "video";
expected_video.width = kVideoSourceWidth;
expected_video.height = kVideoSourceHeight;
// |expected_video.frames| is expected to be undefined because it is not set.
// TODO(hbos): When implemented, set its expected value here.
expected_video.frames_per_second = 29;
ASSERT_TRUE(report->Get(expected_video.id()));
EXPECT_EQ(report->Get(expected_video.id())->cast_to<RTCVideoSourceStats>(),
expected_video);
}
// This test exercises the current behavior and code path, but the correct
// behavior is to report frame rate even if we have no SSRC.
// TODO(hbos): When we know the frame rate even if we have no SSRC, update the
// expectations of this test.
TEST_F(RTCStatsCollectorTest,
RTCVideoSourceStatsMissingFrameRateWhenSenderHasNoSsrc) {
// TODO(https://crbug.com/webrtc/8694): When 0 is no longer a magic value for
// "none", update this test.
const uint32_t kNoSsrc = 0;
const int kAttachmentId = 42;
const int kVideoSourceWidth = 12;
const int kVideoSourceHeight = 34;
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].framerate_input = 29;
auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName");
video_media_channel->SetStats(video_media_info);
auto video_source = FakeVideoTrackSourceForStats::Create(kVideoSourceWidth,
kVideoSourceHeight);
auto video_track = FakeVideoTrackForStats::Create(
"LocalVideoTrackID", MediaStreamTrackInterface::kLive, video_source);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO, video_track, kNoSsrc, kAttachmentId, {});
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get("RTCVideoSource_42"));
auto video_stats =
report->Get("RTCVideoSource_42")->cast_to<RTCVideoSourceStats>();
EXPECT_FALSE(video_stats.frames_per_second.is_defined());
}
// The track not having a source is not expected to be true in practise, but
// this is true in some tests relying on fakes. This test covers that code path.
TEST_F(RTCStatsCollectorTest,
RTCVideoSourceStatsMissingResolutionWhenTrackHasNoSource) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
cricket::VideoMediaInfo video_media_info;
video_media_info.senders.push_back(cricket::VideoSenderInfo());
video_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
video_media_info.senders[0].local_stats[0].ssrc = kSsrc;
video_media_info.senders[0].framerate_input = 29;
auto* video_media_channel = pc_->AddVideoChannel("VideoMid", "TransportName");
video_media_channel->SetStats(video_media_info);
auto video_track = FakeVideoTrackForStats::Create(
"LocalVideoTrackID", MediaStreamTrackInterface::kLive,
/*source=*/nullptr);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_VIDEO, video_track, kSsrc, kAttachmentId, {});
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
ASSERT_TRUE(report->Get("RTCVideoSource_42"));
auto video_stats =
report->Get("RTCVideoSource_42")->cast_to<RTCVideoSourceStats>();
EXPECT_FALSE(video_stats.width.is_defined());
EXPECT_FALSE(video_stats.height.is_defined());
}
TEST_F(RTCStatsCollectorTest,
RTCAudioSourceStatsNotCollectedForSenderWithoutTrack) {
const uint32_t kSsrc = 4;
const int kAttachmentId = 42;
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc = kSsrc;
auto* voice_media_channel = pc_->AddVoiceChannel("AudioMid", "TransportName");
voice_media_channel->SetStats(voice_media_info);
rtc::scoped_refptr<MockRtpSenderInternal> sender = CreateMockSender(
cricket::MEDIA_TYPE_AUDIO, /*track=*/nullptr, kSsrc, kAttachmentId, {});
pc_->AddSender(sender);
rtc::scoped_refptr<const RTCStatsReport> report = stats_->GetStatsReport();
EXPECT_FALSE(report->Get("RTCAudioSource_42"));
}
// Parameterized tests on cricket::MediaType (audio or video).
class RTCStatsCollectorTestWithParamKind
: public RTCStatsCollectorTest,
public ::testing::WithParamInterface<cricket::MediaType> {
public:
RTCStatsCollectorTestWithParamKind() : media_type_(GetParam()) {
RTC_DCHECK(media_type_ == cricket::MEDIA_TYPE_AUDIO ||
media_type_ == cricket::MEDIA_TYPE_VIDEO);
}
std::string MediaTypeUpperCase() const {
switch (media_type_) {
case cricket::MEDIA_TYPE_AUDIO:
return "Audio";
case cricket::MEDIA_TYPE_VIDEO:
return "Video";
case cricket::MEDIA_TYPE_DATA:
RTC_NOTREACHED();
return "";
}
}
std::string MediaTypeLowerCase() const {
std::string str = MediaTypeUpperCase();
std::transform(str.begin(), str.end(), str.begin(), ::tolower);
return str;
}
// Adds a sender and channel of the appropriate kind, creating a sender info
// with the report block's |source_ssrc| and report block data.
void AddSenderInfoAndMediaChannel(std::string transport_name,
ReportBlockData report_block_data,
absl::optional<RtpCodecParameters> codec) {
switch (media_type_) {
case cricket::MEDIA_TYPE_AUDIO: {
cricket::VoiceMediaInfo voice_media_info;
voice_media_info.senders.push_back(cricket::VoiceSenderInfo());
voice_media_info.senders[0].local_stats.push_back(
cricket::SsrcSenderInfo());
voice_media_info.senders[0].local_stats[0].ssrc =
report_block_data.report_block().source_ssrc;
if (codec.has_value()) {
voice_media_info.senders[0].codec_payload_type = codec->payload_type;
voice_media_info.send_codecs.insert(
std::make_pair(codec->payload_type, *codec));
}
voice_media_info.senders[0].report_block_datas.push_back(
report_block_data);
auto* voice_media_channel = pc_->AddVoiceChannel("mid", transport_name);