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webrtc/pc/rtcstatscollector.cc
Steve Anton 36b29d1df3 Enable cpplint in pc/ 
Enable cpplint check in the PRESUBMIT for pc/ and fix all existing
warnings.

Bug: webrtc:5583
Change-Id: If39994692ab6f6f3c83c74f23850f02fdfe810e8
Reviewed-on: https://webrtc-review.googlesource.com/16540
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20482}
2017-10-30 18:08:29 +00:00

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/*
* 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/rtcstatscollector.h"
#include <memory>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
#include "api/candidate.h"
#include "api/mediastreaminterface.h"
#include "api/peerconnectioninterface.h"
#include "media/base/mediachannel.h"
#include "p2p/base/p2pconstants.h"
#include "p2p/base/port.h"
#include "pc/peerconnection.h"
#include "rtc_base/checks.h"
#include "rtc_base/stringutils.h"
#include "rtc_base/timeutils.h"
#include "rtc_base/trace_event.h"
namespace webrtc {
namespace {
std::string RTCCertificateIDFromFingerprint(const std::string& fingerprint) {
return "RTCCertificate_" + fingerprint;
}
std::string RTCCodecStatsIDFromDirectionMediaAndPayload(
bool inbound, bool audio, uint32_t payload_type) {
// TODO(hbos): The present codec ID assignment is not sufficient to support
// Unified Plan or unbundled connections in all cases. When we are able to
// handle multiple m= lines of the same media type (and multiple BaseChannels
// for the same type is possible?) this needs to be updated to differentiate
// the transport being used, and stats need to be collected for all of them.
if (inbound) {
return audio ? "RTCCodec_InboundAudio_" + rtc::ToString<>(payload_type)
: "RTCCodec_InboundVideo_" + rtc::ToString<>(payload_type);
}
return audio ? "RTCCodec_OutboundAudio_" + rtc::ToString<>(payload_type)
: "RTCCodec_OutboundVideo_" + rtc::ToString<>(payload_type);
}
std::string RTCIceCandidatePairStatsIDFromConnectionInfo(
const cricket::ConnectionInfo& info) {
return "RTCIceCandidatePair_" + info.local_candidate.id() + "_" +
info.remote_candidate.id();
}
std::string RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
bool is_local, const char* kind, const std::string& id, uint32_t ssrc) {
RTC_DCHECK(kind == MediaStreamTrackInterface::kAudioKind ||
kind == MediaStreamTrackInterface::kVideoKind);
std::ostringstream oss;
oss << (is_local ? "RTCMediaStreamTrack_local_"
: "RTCMediaStreamTrack_remote_");
oss << kind << "_";
oss << id << "_";
oss << ssrc;
return oss.str();
}
std::string RTCTransportStatsIDFromTransportChannel(
const std::string& transport_name, int channel_component) {
return "RTCTransport_" + transport_name + "_" +
rtc::ToString<>(channel_component);
}
std::string RTCTransportStatsIDFromBaseChannel(
const std::map<std::string, std::string>& proxy_to_transport,
const cricket::BaseChannel& base_channel) {
auto proxy_it = proxy_to_transport.find(base_channel.content_name());
if (proxy_it == proxy_to_transport.cend())
return "";
return RTCTransportStatsIDFromTransportChannel(
proxy_it->second, cricket::ICE_CANDIDATE_COMPONENT_RTP);
}
std::string RTCInboundRTPStreamStatsIDFromSSRC(bool audio, uint32_t ssrc) {
return audio ? "RTCInboundRTPAudioStream_" + rtc::ToString<>(ssrc)
: "RTCInboundRTPVideoStream_" + rtc::ToString<>(ssrc);
}
std::string RTCOutboundRTPStreamStatsIDFromSSRC(bool audio, uint32_t ssrc) {
return audio ? "RTCOutboundRTPAudioStream_" + rtc::ToString<>(ssrc)
: "RTCOutboundRTPVideoStream_" + rtc::ToString<>(ssrc);
}
const char* CandidateTypeToRTCIceCandidateType(const std::string& type) {
if (type == cricket::LOCAL_PORT_TYPE)
return RTCIceCandidateType::kHost;
if (type == cricket::STUN_PORT_TYPE)
return RTCIceCandidateType::kSrflx;
if (type == cricket::PRFLX_PORT_TYPE)
return RTCIceCandidateType::kPrflx;
if (type == cricket::RELAY_PORT_TYPE)
return RTCIceCandidateType::kRelay;
RTC_NOTREACHED();
return nullptr;
}
const char* DataStateToRTCDataChannelState(
DataChannelInterface::DataState state) {
switch (state) {
case DataChannelInterface::kConnecting:
return RTCDataChannelState::kConnecting;
case DataChannelInterface::kOpen:
return RTCDataChannelState::kOpen;
case DataChannelInterface::kClosing:
return RTCDataChannelState::kClosing;
case DataChannelInterface::kClosed:
return RTCDataChannelState::kClosed;
default:
RTC_NOTREACHED();
return nullptr;
}
}
const char* IceCandidatePairStateToRTCStatsIceCandidatePairState(
cricket::IceCandidatePairState state) {
switch (state) {
case cricket::IceCandidatePairState::WAITING:
return RTCStatsIceCandidatePairState::kWaiting;
case cricket::IceCandidatePairState::IN_PROGRESS:
return RTCStatsIceCandidatePairState::kInProgress;
case cricket::IceCandidatePairState::SUCCEEDED:
return RTCStatsIceCandidatePairState::kSucceeded;
case cricket::IceCandidatePairState::FAILED:
return RTCStatsIceCandidatePairState::kFailed;
default:
RTC_NOTREACHED();
return nullptr;
}
}
const char* DtlsTransportStateToRTCDtlsTransportState(
cricket::DtlsTransportState state) {
switch (state) {
case cricket::DTLS_TRANSPORT_NEW:
return RTCDtlsTransportState::kNew;
case cricket::DTLS_TRANSPORT_CONNECTING:
return RTCDtlsTransportState::kConnecting;
case cricket::DTLS_TRANSPORT_CONNECTED:
return RTCDtlsTransportState::kConnected;
case cricket::DTLS_TRANSPORT_CLOSED:
return RTCDtlsTransportState::kClosed;
case cricket::DTLS_TRANSPORT_FAILED:
return RTCDtlsTransportState::kFailed;
default:
RTC_NOTREACHED();
return nullptr;
}
}
double DoubleAudioLevelFromIntAudioLevel(int audio_level) {
RTC_DCHECK_GE(audio_level, 0);
RTC_DCHECK_LE(audio_level, 32767);
return audio_level / 32767.0;
}
std::unique_ptr<RTCCodecStats> CodecStatsFromRtpCodecParameters(
uint64_t timestamp_us, bool inbound, bool audio,
const RtpCodecParameters& codec_params) {
RTC_DCHECK_GE(codec_params.payload_type, 0);
RTC_DCHECK_LE(codec_params.payload_type, 127);
RTC_DCHECK(codec_params.clock_rate);
uint32_t payload_type = static_cast<uint32_t>(codec_params.payload_type);
std::unique_ptr<RTCCodecStats> codec_stats(new RTCCodecStats(
RTCCodecStatsIDFromDirectionMediaAndPayload(inbound, audio, payload_type),
timestamp_us));
codec_stats->payload_type = payload_type;
codec_stats->mime_type = codec_params.mime_type();
if (codec_params.clock_rate) {
codec_stats->clock_rate = static_cast<uint32_t>(*codec_params.clock_rate);
}
return codec_stats;
}
void SetMediaStreamTrackStatsFromMediaStreamTrackInterface(
const MediaStreamTrackInterface& track,
RTCMediaStreamTrackStats* track_stats) {
track_stats->track_identifier = track.id();
track_stats->ended = (track.state() == MediaStreamTrackInterface::kEnded);
}
// Provides the media independent counters (both audio and video).
void SetInboundRTPStreamStatsFromMediaReceiverInfo(
const cricket::MediaReceiverInfo& media_receiver_info,
RTCInboundRTPStreamStats* inbound_stats) {
RTC_DCHECK(inbound_stats);
inbound_stats->ssrc = media_receiver_info.ssrc();
// TODO(hbos): Support the remote case. crbug.com/657855
inbound_stats->is_remote = false;
inbound_stats->packets_received =
static_cast<uint32_t>(media_receiver_info.packets_rcvd);
inbound_stats->bytes_received =
static_cast<uint64_t>(media_receiver_info.bytes_rcvd);
inbound_stats->packets_lost =
static_cast<uint32_t>(media_receiver_info.packets_lost);
inbound_stats->fraction_lost =
static_cast<double>(media_receiver_info.fraction_lost);
}
void SetInboundRTPStreamStatsFromVoiceReceiverInfo(
const cricket::VoiceReceiverInfo& voice_receiver_info,
RTCInboundRTPStreamStats* inbound_audio) {
SetInboundRTPStreamStatsFromMediaReceiverInfo(
voice_receiver_info, inbound_audio);
inbound_audio->media_type = "audio";
if (voice_receiver_info.codec_payload_type) {
inbound_audio->codec_id =
RTCCodecStatsIDFromDirectionMediaAndPayload(
true, true, *voice_receiver_info.codec_payload_type);
}
inbound_audio->jitter =
static_cast<double>(voice_receiver_info.jitter_ms) /
rtc::kNumMillisecsPerSec;
// |fir_count|, |pli_count| and |sli_count| are only valid for video and are
// purposefully left undefined for audio.
}
void SetInboundRTPStreamStatsFromVideoReceiverInfo(
const cricket::VideoReceiverInfo& video_receiver_info,
RTCInboundRTPStreamStats* inbound_video) {
SetInboundRTPStreamStatsFromMediaReceiverInfo(
video_receiver_info, inbound_video);
inbound_video->media_type = "video";
if (video_receiver_info.codec_payload_type) {
inbound_video->codec_id =
RTCCodecStatsIDFromDirectionMediaAndPayload(
true, false, *video_receiver_info.codec_payload_type);
}
inbound_video->fir_count =
static_cast<uint32_t>(video_receiver_info.firs_sent);
inbound_video->pli_count =
static_cast<uint32_t>(video_receiver_info.plis_sent);
inbound_video->nack_count =
static_cast<uint32_t>(video_receiver_info.nacks_sent);
inbound_video->frames_decoded = video_receiver_info.frames_decoded;
if (video_receiver_info.qp_sum)
inbound_video->qp_sum = *video_receiver_info.qp_sum;
}
// Provides the media independent counters (both audio and video).
void SetOutboundRTPStreamStatsFromMediaSenderInfo(
const cricket::MediaSenderInfo& media_sender_info,
RTCOutboundRTPStreamStats* outbound_stats) {
RTC_DCHECK(outbound_stats);
outbound_stats->ssrc = media_sender_info.ssrc();
// TODO(hbos): Support the remote case. crbug.com/657856
outbound_stats->is_remote = false;
outbound_stats->packets_sent =
static_cast<uint32_t>(media_sender_info.packets_sent);
outbound_stats->bytes_sent =
static_cast<uint64_t>(media_sender_info.bytes_sent);
}
void SetOutboundRTPStreamStatsFromVoiceSenderInfo(
const cricket::VoiceSenderInfo& voice_sender_info,
RTCOutboundRTPStreamStats* outbound_audio) {
SetOutboundRTPStreamStatsFromMediaSenderInfo(
voice_sender_info, outbound_audio);
outbound_audio->media_type = "audio";
if (voice_sender_info.codec_payload_type) {
outbound_audio->codec_id =
RTCCodecStatsIDFromDirectionMediaAndPayload(
false, true, *voice_sender_info.codec_payload_type);
}
// |fir_count|, |pli_count| and |sli_count| are only valid for video and are
// purposefully left undefined for audio.
}
void SetOutboundRTPStreamStatsFromVideoSenderInfo(
const cricket::VideoSenderInfo& video_sender_info,
RTCOutboundRTPStreamStats* outbound_video) {
SetOutboundRTPStreamStatsFromMediaSenderInfo(
video_sender_info, outbound_video);
outbound_video->media_type = "video";
if (video_sender_info.codec_payload_type) {
outbound_video->codec_id =
RTCCodecStatsIDFromDirectionMediaAndPayload(
false, false, *video_sender_info.codec_payload_type);
}
outbound_video->fir_count =
static_cast<uint32_t>(video_sender_info.firs_rcvd);
outbound_video->pli_count =
static_cast<uint32_t>(video_sender_info.plis_rcvd);
outbound_video->nack_count =
static_cast<uint32_t>(video_sender_info.nacks_rcvd);
if (video_sender_info.qp_sum)
outbound_video->qp_sum = *video_sender_info.qp_sum;
outbound_video->frames_encoded = video_sender_info.frames_encoded;
}
void ProduceCertificateStatsFromSSLCertificateStats(
int64_t timestamp_us, const rtc::SSLCertificateStats& certificate_stats,
RTCStatsReport* report) {
RTCCertificateStats* prev_certificate_stats = nullptr;
for (const rtc::SSLCertificateStats* s = &certificate_stats; s;
s = s->issuer.get()) {
std::string certificate_stats_id =
RTCCertificateIDFromFingerprint(s->fingerprint);
// It is possible for the same certificate to show up multiple times, e.g.
// if local and remote side use the same certificate in a loopback call.
// If the report already contains stats for this certificate, skip it.
if (report->Get(certificate_stats_id)) {
RTC_DCHECK_EQ(s, &certificate_stats);
break;
}
RTCCertificateStats* certificate_stats = new RTCCertificateStats(
certificate_stats_id, timestamp_us);
certificate_stats->fingerprint = s->fingerprint;
certificate_stats->fingerprint_algorithm = s->fingerprint_algorithm;
certificate_stats->base64_certificate = s->base64_certificate;
if (prev_certificate_stats)
prev_certificate_stats->issuer_certificate_id = certificate_stats->id();
report->AddStats(std::unique_ptr<RTCCertificateStats>(certificate_stats));
prev_certificate_stats = certificate_stats;
}
}
const std::string& ProduceIceCandidateStats(
int64_t timestamp_us, const cricket::Candidate& candidate, bool is_local,
const std::string& transport_id, RTCStatsReport* report) {
const std::string& id = "RTCIceCandidate_" + candidate.id();
const RTCStats* stats = report->Get(id);
if (!stats) {
std::unique_ptr<RTCIceCandidateStats> candidate_stats;
if (is_local)
candidate_stats.reset(new RTCLocalIceCandidateStats(id, timestamp_us));
else
candidate_stats.reset(new RTCRemoteIceCandidateStats(id, timestamp_us));
candidate_stats->transport_id = transport_id;
candidate_stats->ip = candidate.address().ipaddr().ToString();
candidate_stats->port = static_cast<int32_t>(candidate.address().port());
candidate_stats->protocol = candidate.protocol();
candidate_stats->candidate_type = CandidateTypeToRTCIceCandidateType(
candidate.type());
candidate_stats->priority = static_cast<int32_t>(candidate.priority());
stats = candidate_stats.get();
report->AddStats(std::move(candidate_stats));
}
RTC_DCHECK_EQ(stats->type(), is_local ? RTCLocalIceCandidateStats::kType
: RTCRemoteIceCandidateStats::kType);
return stats->id();
}
std::unique_ptr<RTCMediaStreamTrackStats>
ProduceMediaStreamTrackStatsFromVoiceSenderInfo(
int64_t timestamp_us,
const AudioTrackInterface& audio_track,
const cricket::VoiceSenderInfo& voice_sender_info) {
std::unique_ptr<RTCMediaStreamTrackStats> audio_track_stats(
new RTCMediaStreamTrackStats(
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
true, MediaStreamTrackInterface::kAudioKind, audio_track.id(),
voice_sender_info.ssrc()),
timestamp_us,
RTCMediaStreamTrackKind::kAudio));
SetMediaStreamTrackStatsFromMediaStreamTrackInterface(
audio_track, audio_track_stats.get());
audio_track_stats->remote_source = false;
audio_track_stats->detached = false;
if (voice_sender_info.audio_level >= 0) {
audio_track_stats->audio_level = DoubleAudioLevelFromIntAudioLevel(
voice_sender_info.audio_level);
}
audio_track_stats->total_audio_energy = voice_sender_info.total_input_energy;
audio_track_stats->total_samples_duration =
voice_sender_info.total_input_duration;
if (voice_sender_info.echo_return_loss != -100) {
audio_track_stats->echo_return_loss = static_cast<double>(
voice_sender_info.echo_return_loss);
}
if (voice_sender_info.echo_return_loss_enhancement != -100) {
audio_track_stats->echo_return_loss_enhancement = static_cast<double>(
voice_sender_info.echo_return_loss_enhancement);
}
return audio_track_stats;
}
std::unique_ptr<RTCMediaStreamTrackStats>
ProduceMediaStreamTrackStatsFromVoiceReceiverInfo(
int64_t timestamp_us,
const AudioTrackInterface& audio_track,
const cricket::VoiceReceiverInfo& voice_receiver_info) {
std::unique_ptr<RTCMediaStreamTrackStats> audio_track_stats(
new RTCMediaStreamTrackStats(
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
false, MediaStreamTrackInterface::kAudioKind, audio_track.id(),
voice_receiver_info.ssrc()),
timestamp_us,
RTCMediaStreamTrackKind::kAudio));
SetMediaStreamTrackStatsFromMediaStreamTrackInterface(
audio_track, audio_track_stats.get());
audio_track_stats->remote_source = true;
audio_track_stats->detached = false;
if (voice_receiver_info.audio_level >= 0) {
audio_track_stats->audio_level = DoubleAudioLevelFromIntAudioLevel(
voice_receiver_info.audio_level);
}
audio_track_stats->jitter_buffer_delay =
voice_receiver_info.jitter_buffer_delay_seconds;
audio_track_stats->total_audio_energy =
voice_receiver_info.total_output_energy;
audio_track_stats->total_samples_received =
voice_receiver_info.total_samples_received;
audio_track_stats->total_samples_duration =
voice_receiver_info.total_output_duration;
audio_track_stats->concealed_samples = voice_receiver_info.concealed_samples;
audio_track_stats->concealment_events =
voice_receiver_info.concealment_events;
return audio_track_stats;
}
std::unique_ptr<RTCMediaStreamTrackStats>
ProduceMediaStreamTrackStatsFromVideoSenderInfo(
int64_t timestamp_us,
const VideoTrackInterface& video_track,
const cricket::VideoSenderInfo& video_sender_info) {
std::unique_ptr<RTCMediaStreamTrackStats> video_track_stats(
new RTCMediaStreamTrackStats(
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
true, MediaStreamTrackInterface::kVideoKind, video_track.id(),
video_sender_info.ssrc()),
timestamp_us,
RTCMediaStreamTrackKind::kVideo));
SetMediaStreamTrackStatsFromMediaStreamTrackInterface(
video_track, video_track_stats.get());
video_track_stats->remote_source = false;
video_track_stats->detached = false;
video_track_stats->frame_width = static_cast<uint32_t>(
video_sender_info.send_frame_width);
video_track_stats->frame_height = static_cast<uint32_t>(
video_sender_info.send_frame_height);
// TODO(hbos): Will reduce this by frames dropped due to congestion control
// when available. crbug.com/659137
video_track_stats->frames_sent = video_sender_info.frames_encoded;
return video_track_stats;
}
std::unique_ptr<RTCMediaStreamTrackStats>
ProduceMediaStreamTrackStatsFromVideoReceiverInfo(
int64_t timestamp_us,
const VideoTrackInterface& video_track,
const cricket::VideoReceiverInfo& video_receiver_info) {
std::unique_ptr<RTCMediaStreamTrackStats> video_track_stats(
new RTCMediaStreamTrackStats(
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
false, MediaStreamTrackInterface::kVideoKind, video_track.id(),
video_receiver_info.ssrc()),
timestamp_us,
RTCMediaStreamTrackKind::kVideo));
SetMediaStreamTrackStatsFromMediaStreamTrackInterface(
video_track, video_track_stats.get());
video_track_stats->remote_source = true;
video_track_stats->detached = false;
if (video_receiver_info.frame_width > 0 &&
video_receiver_info.frame_height > 0) {
video_track_stats->frame_width = static_cast<uint32_t>(
video_receiver_info.frame_width);
video_track_stats->frame_height = static_cast<uint32_t>(
video_receiver_info.frame_height);
}
video_track_stats->frames_received = video_receiver_info.frames_received;
// TODO(hbos): When we support receiving simulcast, this should be the total
// number of frames correctly decoded, independent of which SSRC it was
// received from. Since we don't support that, this is correct and is the same
// value as "RTCInboundRTPStreamStats.framesDecoded". crbug.com/659137
video_track_stats->frames_decoded = video_receiver_info.frames_decoded;
RTC_DCHECK_GE(video_receiver_info.frames_received,
video_receiver_info.frames_rendered);
video_track_stats->frames_dropped = video_receiver_info.frames_received -
video_receiver_info.frames_rendered;
return video_track_stats;
}
void ProduceMediaStreamAndTrackStats(
int64_t timestamp_us,
const TrackMediaInfoMap& track_media_info_map,
rtc::scoped_refptr<StreamCollectionInterface> streams,
bool is_local,
RTCStatsReport* report) {
// TODO(hbos): When "AddTrack" is implemented we should iterate tracks to
// find which streams exist, not iterate streams to find tracks.
// crbug.com/659137
// TODO(hbos): Return stats of detached tracks. We have to perform stats
// gathering at the time of detachment to get accurate stats and timestamps.
// crbug.com/659137
if (!streams)
return;
for (size_t i = 0; i < streams->count(); ++i) {
MediaStreamInterface* stream = streams->at(i);
std::unique_ptr<RTCMediaStreamStats> stream_stats(
new RTCMediaStreamStats(
(is_local ? "RTCMediaStream_local_" : "RTCMediaStream_remote_") +
stream->label(), timestamp_us));
stream_stats->stream_identifier = stream->label();
stream_stats->track_ids = std::vector<std::string>();
// The track stats are per-attachment to the connection. There can be one
// for receiving (remote) tracks and multiple attachments for sending
// (local) tracks.
if (is_local) {
// Local Audio Tracks
for (const rtc::scoped_refptr<AudioTrackInterface>& audio_track :
stream->GetAudioTracks()) {
const std::vector<cricket::VoiceSenderInfo*>* voice_sender_infos =
track_media_info_map.GetVoiceSenderInfos(*audio_track);
if (!voice_sender_infos) {
continue;
}
for (const auto& voice_sender_info : *voice_sender_infos) {
std::unique_ptr<RTCMediaStreamTrackStats> audio_track_stats =
ProduceMediaStreamTrackStatsFromVoiceSenderInfo(
timestamp_us, *audio_track, *voice_sender_info);
stream_stats->track_ids->push_back(audio_track_stats->id());
report->AddStats(std::move(audio_track_stats));
}
}
// Local Video Tracks
for (const rtc::scoped_refptr<VideoTrackInterface>& video_track :
stream->GetVideoTracks()) {
const std::vector<cricket::VideoSenderInfo*>* video_sender_infos =
track_media_info_map.GetVideoSenderInfos(*video_track);
if (!video_sender_infos) {
continue;
}
for (const auto& video_sender_info : *video_sender_infos) {
std::unique_ptr<RTCMediaStreamTrackStats> video_track_stats =
ProduceMediaStreamTrackStatsFromVideoSenderInfo(
timestamp_us, *video_track, *video_sender_info);
stream_stats->track_ids->push_back(video_track_stats->id());
report->AddStats(std::move(video_track_stats));
}
}
} else {
// Remote Audio Tracks
for (const rtc::scoped_refptr<AudioTrackInterface>& audio_track :
stream->GetAudioTracks()) {
const cricket::VoiceReceiverInfo* voice_receiver_info =
track_media_info_map.GetVoiceReceiverInfo(*audio_track);
if (!voice_receiver_info) {
continue;
}
std::unique_ptr<RTCMediaStreamTrackStats> audio_track_stats =
ProduceMediaStreamTrackStatsFromVoiceReceiverInfo(
timestamp_us, *audio_track, *voice_receiver_info);
stream_stats->track_ids->push_back(audio_track_stats->id());
report->AddStats(std::move(audio_track_stats));
}
// Remote Video Tracks
for (const rtc::scoped_refptr<VideoTrackInterface>& video_track :
stream->GetVideoTracks()) {
const cricket::VideoReceiverInfo* video_receiver_info =
track_media_info_map.GetVideoReceiverInfo(*video_track);
if (!video_receiver_info) {
continue;
}
std::unique_ptr<RTCMediaStreamTrackStats> video_track_stats =
ProduceMediaStreamTrackStatsFromVideoReceiverInfo(
timestamp_us, *video_track, *video_receiver_info);
stream_stats->track_ids->push_back(video_track_stats->id());
report->AddStats(std::move(video_track_stats));
}
}
report->AddStats(std::move(stream_stats));
}
}
} // namespace
rtc::scoped_refptr<RTCStatsCollector> RTCStatsCollector::Create(
PeerConnection* pc, int64_t cache_lifetime_us) {
return rtc::scoped_refptr<RTCStatsCollector>(
new rtc::RefCountedObject<RTCStatsCollector>(pc, cache_lifetime_us));
}
RTCStatsCollector::RTCStatsCollector(PeerConnection* pc,
int64_t cache_lifetime_us)
: pc_(pc),
signaling_thread_(pc->signaling_thread()),
worker_thread_(pc->worker_thread()),
network_thread_(pc->network_thread()),
num_pending_partial_reports_(0),
partial_report_timestamp_us_(0),
cache_timestamp_us_(0),
cache_lifetime_us_(cache_lifetime_us) {
RTC_DCHECK(pc_);
RTC_DCHECK(signaling_thread_);
RTC_DCHECK(worker_thread_);
RTC_DCHECK(network_thread_);
RTC_DCHECK_GE(cache_lifetime_us_, 0);
pc_->SignalDataChannelCreated.connect(
this, &RTCStatsCollector::OnDataChannelCreated);
}
RTCStatsCollector::~RTCStatsCollector() {
RTC_DCHECK_EQ(num_pending_partial_reports_, 0);
}
void RTCStatsCollector::GetStatsReport(
rtc::scoped_refptr<RTCStatsCollectorCallback> callback) {
RTC_DCHECK(signaling_thread_->IsCurrent());
RTC_DCHECK(callback);
callbacks_.push_back(callback);
// "Now" using a monotonically increasing timer.
int64_t cache_now_us = rtc::TimeMicros();
if (cached_report_ &&
cache_now_us - cache_timestamp_us_ <= cache_lifetime_us_) {
// We have a fresh cached report to deliver.
DeliverCachedReport();
} else if (!num_pending_partial_reports_) {
// Only start gathering stats if we're not already gathering stats. In the
// case of already gathering stats, |callback_| will be invoked when there
// are no more pending partial reports.
// "Now" using a system clock, relative to the UNIX epoch (Jan 1, 1970,
// UTC), in microseconds. The system clock could be modified and is not
// necessarily monotonically increasing.
int64_t timestamp_us = rtc::TimeUTCMicros();
num_pending_partial_reports_ = 2;
partial_report_timestamp_us_ = cache_now_us;
// Prepare |channel_name_pairs_| for use in
// |ProducePartialResultsOnNetworkThread|.
channel_name_pairs_.reset(new ChannelNamePairs());
if (pc_->voice_channel()) {
channel_name_pairs_->voice = rtc::Optional<ChannelNamePair>(
ChannelNamePair(pc_->voice_channel()->content_name(),
pc_->voice_channel()->transport_name()));
}
if (pc_->video_channel()) {
channel_name_pairs_->video = rtc::Optional<ChannelNamePair>(
ChannelNamePair(pc_->video_channel()->content_name(),
pc_->video_channel()->transport_name()));
}
if (pc_->rtp_data_channel()) {
channel_name_pairs_->data = rtc::Optional<ChannelNamePair>(
ChannelNamePair(pc_->rtp_data_channel()->content_name(),
pc_->rtp_data_channel()->transport_name()));
}
if (pc_->sctp_content_name()) {
channel_name_pairs_->data =
rtc::Optional<ChannelNamePair>(ChannelNamePair(
*pc_->sctp_content_name(), *pc_->sctp_transport_name()));
}
// Prepare |track_media_info_map_| for use in
// |ProducePartialResultsOnNetworkThread| and
// |ProducePartialResultsOnSignalingThread|.
track_media_info_map_.reset(PrepareTrackMediaInfoMap_s().release());
// Prepare |track_to_id_| for use in |ProducePartialResultsOnNetworkThread|.
// This avoids a possible deadlock if |MediaStreamTrackInterface::id| is
// implemented to invoke on the signaling thread.
track_to_id_ = PrepareTrackToID_s();
// Prepare |call_stats_| here since GetCallStats() will hop to the worker
// thread.
// TODO(holmer): To avoid the hop we could move BWE and BWE stats to the
// network thread, where it more naturally belongs.
call_stats_ = pc_->GetCallStats();
invoker_.AsyncInvoke<void>(
RTC_FROM_HERE, network_thread_,
rtc::Bind(&RTCStatsCollector::ProducePartialResultsOnNetworkThread,
rtc::scoped_refptr<RTCStatsCollector>(this), timestamp_us));
ProducePartialResultsOnSignalingThread(timestamp_us);
}
}
void RTCStatsCollector::ClearCachedStatsReport() {
RTC_DCHECK(signaling_thread_->IsCurrent());
cached_report_ = nullptr;
}
void RTCStatsCollector::WaitForPendingRequest() {
RTC_DCHECK(signaling_thread_->IsCurrent());
if (num_pending_partial_reports_) {
rtc::Thread::Current()->ProcessMessages(0);
while (num_pending_partial_reports_) {
rtc::Thread::Current()->SleepMs(1);
rtc::Thread::Current()->ProcessMessages(0);
}
}
}
void RTCStatsCollector::ProducePartialResultsOnSignalingThread(
int64_t timestamp_us) {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::scoped_refptr<RTCStatsReport> report = RTCStatsReport::Create(
timestamp_us);
ProduceDataChannelStats_s(timestamp_us, report.get());
ProduceMediaStreamAndTrackStats_s(timestamp_us, report.get());
ProducePeerConnectionStats_s(timestamp_us, report.get());
AddPartialResults(report);
}
void RTCStatsCollector::ProducePartialResultsOnNetworkThread(
int64_t timestamp_us) {
RTC_DCHECK(network_thread_->IsCurrent());
rtc::scoped_refptr<RTCStatsReport> report = RTCStatsReport::Create(
timestamp_us);
std::unique_ptr<SessionStats> session_stats =
pc_->GetSessionStats(*channel_name_pairs_);
if (session_stats) {
std::map<std::string, CertificateStatsPair> transport_cert_stats =
PrepareTransportCertificateStats_n(*session_stats);
ProduceCertificateStats_n(
timestamp_us, transport_cert_stats, report.get());
ProduceCodecStats_n(
timestamp_us, *track_media_info_map_, report.get());
ProduceIceCandidateAndPairStats_n(timestamp_us, *session_stats,
track_media_info_map_->video_media_info(),
call_stats_, report.get());
ProduceRTPStreamStats_n(
timestamp_us, *session_stats, *track_media_info_map_, report.get());
ProduceTransportStats_n(
timestamp_us, *session_stats, transport_cert_stats, report.get());
}
AddPartialResults(report);
}
void RTCStatsCollector::AddPartialResults(
const rtc::scoped_refptr<RTCStatsReport>& partial_report) {
if (!signaling_thread_->IsCurrent()) {
invoker_.AsyncInvoke<void>(RTC_FROM_HERE, signaling_thread_,
rtc::Bind(&RTCStatsCollector::AddPartialResults_s,
rtc::scoped_refptr<RTCStatsCollector>(this),
partial_report));
return;
}
AddPartialResults_s(partial_report);
}
void RTCStatsCollector::AddPartialResults_s(
rtc::scoped_refptr<RTCStatsReport> partial_report) {
RTC_DCHECK(signaling_thread_->IsCurrent());
RTC_DCHECK_GT(num_pending_partial_reports_, 0);
if (!partial_report_)
partial_report_ = partial_report;
else
partial_report_->TakeMembersFrom(partial_report);
--num_pending_partial_reports_;
if (!num_pending_partial_reports_) {
cache_timestamp_us_ = partial_report_timestamp_us_;
cached_report_ = partial_report_;
partial_report_ = nullptr;
channel_name_pairs_.reset();
track_media_info_map_.reset();
track_to_id_.clear();
// Trace WebRTC Stats when getStats is called on Javascript.
// This allows access to WebRTC stats from trace logs. To enable them,
// select the "webrtc_stats" category when recording traces.
TRACE_EVENT_INSTANT1("webrtc_stats", "webrtc_stats", "report",
cached_report_->ToJson());
DeliverCachedReport();
}
}
void RTCStatsCollector::DeliverCachedReport() {
RTC_DCHECK(signaling_thread_->IsCurrent());
RTC_DCHECK(!callbacks_.empty());
RTC_DCHECK(cached_report_);
for (const rtc::scoped_refptr<RTCStatsCollectorCallback>& callback :
callbacks_) {
callback->OnStatsDelivered(cached_report_);
}
callbacks_.clear();
}
void RTCStatsCollector::ProduceCertificateStats_n(
int64_t timestamp_us,
const std::map<std::string, CertificateStatsPair>& transport_cert_stats,
RTCStatsReport* report) const {
RTC_DCHECK(network_thread_->IsCurrent());
for (const auto& transport_cert_stats_pair : transport_cert_stats) {
if (transport_cert_stats_pair.second.local) {
ProduceCertificateStatsFromSSLCertificateStats(
timestamp_us, *transport_cert_stats_pair.second.local.get(), report);
}
if (transport_cert_stats_pair.second.remote) {
ProduceCertificateStatsFromSSLCertificateStats(
timestamp_us, *transport_cert_stats_pair.second.remote.get(), report);
}
}
}
void RTCStatsCollector::ProduceCodecStats_n(
int64_t timestamp_us, const TrackMediaInfoMap& track_media_info_map,
RTCStatsReport* report) const {
RTC_DCHECK(network_thread_->IsCurrent());
// Audio
if (track_media_info_map.voice_media_info()) {
// Inbound
for (const auto& pair :
track_media_info_map.voice_media_info()->receive_codecs) {
report->AddStats(CodecStatsFromRtpCodecParameters(
timestamp_us, true, true, pair.second));
}
// Outbound
for (const auto& pair :
track_media_info_map.voice_media_info()->send_codecs) {
report->AddStats(CodecStatsFromRtpCodecParameters(
timestamp_us, false, true, pair.second));
}
}
// Video
if (track_media_info_map.video_media_info()) {
// Inbound
for (const auto& pair :
track_media_info_map.video_media_info()->receive_codecs) {
report->AddStats(CodecStatsFromRtpCodecParameters(
timestamp_us, true, false, pair.second));
}
// Outbound
for (const auto& pair :
track_media_info_map.video_media_info()->send_codecs) {
report->AddStats(CodecStatsFromRtpCodecParameters(
timestamp_us, false, false, pair.second));
}
}
}
void RTCStatsCollector::ProduceDataChannelStats_s(
int64_t timestamp_us, RTCStatsReport* report) const {
RTC_DCHECK(signaling_thread_->IsCurrent());
for (const rtc::scoped_refptr<DataChannel>& data_channel :
pc_->sctp_data_channels()) {
std::unique_ptr<RTCDataChannelStats> data_channel_stats(
new RTCDataChannelStats(
"RTCDataChannel_" + rtc::ToString<>(data_channel->id()),
timestamp_us));
data_channel_stats->label = data_channel->label();
data_channel_stats->protocol = data_channel->protocol();
data_channel_stats->datachannelid = data_channel->id();
data_channel_stats->state =
DataStateToRTCDataChannelState(data_channel->state());
data_channel_stats->messages_sent = data_channel->messages_sent();
data_channel_stats->bytes_sent = data_channel->bytes_sent();
data_channel_stats->messages_received = data_channel->messages_received();
data_channel_stats->bytes_received = data_channel->bytes_received();
report->AddStats(std::move(data_channel_stats));
}
}
void RTCStatsCollector::ProduceIceCandidateAndPairStats_n(
int64_t timestamp_us,
const SessionStats& session_stats,
const cricket::VideoMediaInfo* video_media_info,
const Call::Stats& call_stats,
RTCStatsReport* report) const {
RTC_DCHECK(network_thread_->IsCurrent());
for (const auto& transport_stats : session_stats.transport_stats) {
for (const auto& channel_stats : transport_stats.second.channel_stats) {
std::string transport_id = RTCTransportStatsIDFromTransportChannel(
transport_stats.second.transport_name, channel_stats.component);
for (const cricket::ConnectionInfo& info :
channel_stats.connection_infos) {
std::unique_ptr<RTCIceCandidatePairStats> candidate_pair_stats(
new RTCIceCandidatePairStats(
RTCIceCandidatePairStatsIDFromConnectionInfo(info),
timestamp_us));
candidate_pair_stats->transport_id = transport_id;
// TODO(hbos): There could be other candidates that are not paired with
// anything. We don't have a complete list. Local candidates come from
// Port objects, and prflx candidates (both local and remote) are only
// stored in candidate pairs. crbug.com/632723
candidate_pair_stats->local_candidate_id = ProduceIceCandidateStats(
timestamp_us, info.local_candidate, true, transport_id, report);
candidate_pair_stats->remote_candidate_id = ProduceIceCandidateStats(
timestamp_us, info.remote_candidate, false, transport_id, report);
candidate_pair_stats->state =
IceCandidatePairStateToRTCStatsIceCandidatePairState(info.state);
candidate_pair_stats->priority = info.priority;
candidate_pair_stats->nominated = info.nominated;
// TODO(hbos): This writable is different than the spec. It goes to
// false after a certain amount of time without a response passes.
// crbug.com/633550
candidate_pair_stats->writable = info.writable;
candidate_pair_stats->bytes_sent =
static_cast<uint64_t>(info.sent_total_bytes);
candidate_pair_stats->bytes_received =
static_cast<uint64_t>(info.recv_total_bytes);
candidate_pair_stats->total_round_trip_time =
static_cast<double>(info.total_round_trip_time_ms) /
rtc::kNumMillisecsPerSec;
if (info.current_round_trip_time_ms) {
candidate_pair_stats->current_round_trip_time =
static_cast<double>(*info.current_round_trip_time_ms) /
rtc::kNumMillisecsPerSec;
}
if (info.best_connection) {
// The bandwidth estimations we have are for the selected candidate
// pair ("info.best_connection").
RTC_DCHECK_GE(call_stats.send_bandwidth_bps, 0);
RTC_DCHECK_GE(call_stats.recv_bandwidth_bps, 0);
if (call_stats.send_bandwidth_bps > 0) {
candidate_pair_stats->available_outgoing_bitrate =
static_cast<double>(call_stats.send_bandwidth_bps);
}
if (call_stats.recv_bandwidth_bps > 0) {
candidate_pair_stats->available_incoming_bitrate =
static_cast<double>(call_stats.recv_bandwidth_bps);
}
}
candidate_pair_stats->requests_received =
static_cast<uint64_t>(info.recv_ping_requests);
candidate_pair_stats->requests_sent = static_cast<uint64_t>(
info.sent_ping_requests_before_first_response);
candidate_pair_stats->responses_received =
static_cast<uint64_t>(info.recv_ping_responses);
candidate_pair_stats->responses_sent =
static_cast<uint64_t>(info.sent_ping_responses);
RTC_DCHECK_GE(info.sent_ping_requests_total,
info.sent_ping_requests_before_first_response);
candidate_pair_stats->consent_requests_sent = static_cast<uint64_t>(
info.sent_ping_requests_total -
info.sent_ping_requests_before_first_response);
report->AddStats(std::move(candidate_pair_stats));
}
}
}
}
void RTCStatsCollector::ProduceMediaStreamAndTrackStats_s(
int64_t timestamp_us, RTCStatsReport* report) const {
RTC_DCHECK(signaling_thread_->IsCurrent());
RTC_DCHECK(track_media_info_map_);
ProduceMediaStreamAndTrackStats(timestamp_us,
*track_media_info_map_,
pc_->local_streams(),
true,
report);
ProduceMediaStreamAndTrackStats(timestamp_us,
*track_media_info_map_,
pc_->remote_streams(),
false,
report);
}
void RTCStatsCollector::ProducePeerConnectionStats_s(
int64_t timestamp_us, RTCStatsReport* report) const {
RTC_DCHECK(signaling_thread_->IsCurrent());
std::unique_ptr<RTCPeerConnectionStats> stats(
new RTCPeerConnectionStats("RTCPeerConnection", timestamp_us));
stats->data_channels_opened = internal_record_.data_channels_opened;
stats->data_channels_closed = internal_record_.data_channels_closed;
report->AddStats(std::move(stats));
}
void RTCStatsCollector::ProduceRTPStreamStats_n(
int64_t timestamp_us, const SessionStats& session_stats,
const TrackMediaInfoMap& track_media_info_map,
RTCStatsReport* report) const {
RTC_DCHECK(network_thread_->IsCurrent());
// Audio
if (track_media_info_map.voice_media_info()) {
std::string transport_id = RTCTransportStatsIDFromBaseChannel(
session_stats.proxy_to_transport, *pc_->voice_channel());
RTC_DCHECK(!transport_id.empty());
// Inbound
for (const cricket::VoiceReceiverInfo& voice_receiver_info :
track_media_info_map.voice_media_info()->receivers) {
// TODO(nisse): SSRC == 0 currently means none. Delete check when that
// is fixed.
if (voice_receiver_info.ssrc() == 0)
continue;
std::unique_ptr<RTCInboundRTPStreamStats> inbound_audio(
new RTCInboundRTPStreamStats(
RTCInboundRTPStreamStatsIDFromSSRC(
true, voice_receiver_info.ssrc()),
timestamp_us));
SetInboundRTPStreamStatsFromVoiceReceiverInfo(
voice_receiver_info, inbound_audio.get());
rtc::scoped_refptr<AudioTrackInterface> audio_track =
track_media_info_map_->GetAudioTrack(voice_receiver_info);
if (audio_track) {
RTC_DCHECK(track_to_id_.find(audio_track.get()) != track_to_id_.end());
inbound_audio->track_id =
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
false,
MediaStreamTrackInterface::kAudioKind,
track_to_id_.find(audio_track.get())->second,
voice_receiver_info.ssrc());
}
inbound_audio->transport_id = transport_id;
report->AddStats(std::move(inbound_audio));
}
// Outbound
for (const cricket::VoiceSenderInfo& voice_sender_info :
track_media_info_map.voice_media_info()->senders) {
// TODO(nisse): SSRC == 0 currently means none. Delete check when that
// is fixed.
if (voice_sender_info.ssrc() == 0)
continue;
std::unique_ptr<RTCOutboundRTPStreamStats> outbound_audio(
new RTCOutboundRTPStreamStats(
RTCOutboundRTPStreamStatsIDFromSSRC(
true, voice_sender_info.ssrc()),
timestamp_us));
SetOutboundRTPStreamStatsFromVoiceSenderInfo(
voice_sender_info, outbound_audio.get());
rtc::scoped_refptr<AudioTrackInterface> audio_track =
track_media_info_map_->GetAudioTrack(voice_sender_info);
if (audio_track) {
RTC_DCHECK(track_to_id_.find(audio_track.get()) != track_to_id_.end());
outbound_audio->track_id =
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
true,
MediaStreamTrackInterface::kAudioKind,
track_to_id_.find(audio_track.get())->second,
voice_sender_info.ssrc());
}
outbound_audio->transport_id = transport_id;
report->AddStats(std::move(outbound_audio));
}
}
// Video
if (track_media_info_map.video_media_info()) {
std::string transport_id = RTCTransportStatsIDFromBaseChannel(
session_stats.proxy_to_transport, *pc_->video_channel());
RTC_DCHECK(!transport_id.empty());
// Inbound
for (const cricket::VideoReceiverInfo& video_receiver_info :
track_media_info_map.video_media_info()->receivers) {
// TODO(nisse): SSRC == 0 currently means none. Delete check when that
// is fixed.
if (video_receiver_info.ssrc() == 0)
continue;
std::unique_ptr<RTCInboundRTPStreamStats> inbound_video(
new RTCInboundRTPStreamStats(
RTCInboundRTPStreamStatsIDFromSSRC(
false, video_receiver_info.ssrc()),
timestamp_us));
SetInboundRTPStreamStatsFromVideoReceiverInfo(
video_receiver_info, inbound_video.get());
rtc::scoped_refptr<VideoTrackInterface> video_track =
track_media_info_map_->GetVideoTrack(video_receiver_info);
if (video_track) {
RTC_DCHECK(track_to_id_.find(video_track.get()) != track_to_id_.end());
inbound_video->track_id =
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
false,
MediaStreamTrackInterface::kVideoKind,
track_to_id_.find(video_track.get())->second,
video_receiver_info.ssrc());
}
inbound_video->transport_id = transport_id;
report->AddStats(std::move(inbound_video));
}
// Outbound
for (const cricket::VideoSenderInfo& video_sender_info :
track_media_info_map.video_media_info()->senders) {
// TODO(nisse): SSRC == 0 currently means none. Delete check when that
// is fixed.
if (video_sender_info.ssrc() == 0)
continue;
std::unique_ptr<RTCOutboundRTPStreamStats> outbound_video(
new RTCOutboundRTPStreamStats(
RTCOutboundRTPStreamStatsIDFromSSRC(
false, video_sender_info.ssrc()),
timestamp_us));
SetOutboundRTPStreamStatsFromVideoSenderInfo(
video_sender_info, outbound_video.get());
rtc::scoped_refptr<VideoTrackInterface> video_track =
track_media_info_map_->GetVideoTrack(video_sender_info);
if (video_track) {
RTC_DCHECK(track_to_id_.find(video_track.get()) != track_to_id_.end());
outbound_video->track_id =
RTCMediaStreamTrackStatsIDFromTrackKindIDAndSsrc(
true,
MediaStreamTrackInterface::kVideoKind,
track_to_id_.find(video_track.get())->second,
video_sender_info.ssrc());
}
outbound_video->transport_id = transport_id;
report->AddStats(std::move(outbound_video));
}
}
}
void RTCStatsCollector::ProduceTransportStats_n(
int64_t timestamp_us, const SessionStats& session_stats,
const std::map<std::string, CertificateStatsPair>& transport_cert_stats,
RTCStatsReport* report) const {
RTC_DCHECK(network_thread_->IsCurrent());
for (const auto& transport : session_stats.transport_stats) {
// Get reference to RTCP channel, if it exists.
std::string rtcp_transport_stats_id;
for (const auto& channel_stats : transport.second.channel_stats) {
if (channel_stats.component ==
cricket::ICE_CANDIDATE_COMPONENT_RTCP) {
rtcp_transport_stats_id = RTCTransportStatsIDFromTransportChannel(
transport.second.transport_name, channel_stats.component);
break;
}
}
// Get reference to local and remote certificates of this transport, if they
// exist.
const auto& certificate_stats_it = transport_cert_stats.find(
transport.second.transport_name);
RTC_DCHECK(certificate_stats_it != transport_cert_stats.cend());
std::string local_certificate_id;
if (certificate_stats_it->second.local) {
local_certificate_id = RTCCertificateIDFromFingerprint(
certificate_stats_it->second.local->fingerprint);
}
std::string remote_certificate_id;
if (certificate_stats_it->second.remote) {
remote_certificate_id = RTCCertificateIDFromFingerprint(
certificate_stats_it->second.remote->fingerprint);
}
// There is one transport stats for each channel.
for (const auto& channel_stats : transport.second.channel_stats) {
std::unique_ptr<RTCTransportStats> transport_stats(
new RTCTransportStats(
RTCTransportStatsIDFromTransportChannel(
transport.second.transport_name, channel_stats.component),
timestamp_us));
transport_stats->bytes_sent = 0;
transport_stats->bytes_received = 0;
transport_stats->dtls_state = DtlsTransportStateToRTCDtlsTransportState(
channel_stats.dtls_state);
for (const cricket::ConnectionInfo& info :
channel_stats.connection_infos) {
*transport_stats->bytes_sent += info.sent_total_bytes;
*transport_stats->bytes_received += info.recv_total_bytes;
if (info.best_connection) {
transport_stats->selected_candidate_pair_id =
RTCIceCandidatePairStatsIDFromConnectionInfo(info);
}
}
if (channel_stats.component != cricket::ICE_CANDIDATE_COMPONENT_RTCP &&
!rtcp_transport_stats_id.empty()) {
transport_stats->rtcp_transport_stats_id = rtcp_transport_stats_id;
}
if (!local_certificate_id.empty())
transport_stats->local_certificate_id = local_certificate_id;
if (!remote_certificate_id.empty())
transport_stats->remote_certificate_id = remote_certificate_id;
report->AddStats(std::move(transport_stats));
}
}
}
std::map<std::string, RTCStatsCollector::CertificateStatsPair>
RTCStatsCollector::PrepareTransportCertificateStats_n(
const SessionStats& session_stats) const {
RTC_DCHECK(network_thread_->IsCurrent());
std::map<std::string, CertificateStatsPair> transport_cert_stats;
for (const auto& transport_stats : session_stats.transport_stats) {
CertificateStatsPair certificate_stats_pair;
rtc::scoped_refptr<rtc::RTCCertificate> local_certificate;
if (pc_->GetLocalCertificate(transport_stats.second.transport_name,
&local_certificate)) {
certificate_stats_pair.local =
local_certificate->ssl_certificate().GetStats();
}
std::unique_ptr<rtc::SSLCertificate> remote_certificate =
pc_->GetRemoteSSLCertificate(transport_stats.second.transport_name);
if (remote_certificate) {
certificate_stats_pair.remote = remote_certificate->GetStats();
}
transport_cert_stats.insert(
std::make_pair(transport_stats.second.transport_name,
std::move(certificate_stats_pair)));
}
return transport_cert_stats;
}
std::unique_ptr<TrackMediaInfoMap>
RTCStatsCollector::PrepareTrackMediaInfoMap_s() const {
RTC_DCHECK(signaling_thread_->IsCurrent());
std::unique_ptr<cricket::VoiceMediaInfo> voice_media_info;
if (pc_->voice_channel()) {
voice_media_info.reset(new cricket::VoiceMediaInfo());
if (!pc_->voice_channel()->GetStats(voice_media_info.get())) {
voice_media_info.reset();
}
}
std::unique_ptr<cricket::VideoMediaInfo> video_media_info;
if (pc_->video_channel()) {
video_media_info.reset(new cricket::VideoMediaInfo());
if (!pc_->video_channel()->GetStats(video_media_info.get())) {
video_media_info.reset();
}
}
std::unique_ptr<TrackMediaInfoMap> track_media_info_map(
new TrackMediaInfoMap(std::move(voice_media_info),
std::move(video_media_info),
pc_->GetSenders(),
pc_->GetReceivers()));
return track_media_info_map;
}
std::map<MediaStreamTrackInterface*, std::string>
RTCStatsCollector::PrepareTrackToID_s() const {
RTC_DCHECK(signaling_thread_->IsCurrent());
std::map<MediaStreamTrackInterface*, std::string> track_to_id;
for (auto sender : pc_->GetSenders()) {
auto track = sender->track();
if (track)
track_to_id[track.get()] = track->id();
}
for (auto receiver : pc_->GetReceivers()) {
auto track = receiver->track();
if (track)
track_to_id[track.get()] = track->id();
}
return track_to_id;
}
void RTCStatsCollector::OnDataChannelCreated(DataChannel* channel) {
channel->SignalOpened.connect(this, &RTCStatsCollector::OnDataChannelOpened);
channel->SignalClosed.connect(this, &RTCStatsCollector::OnDataChannelClosed);
}
void RTCStatsCollector::OnDataChannelOpened(DataChannel* channel) {
RTC_DCHECK(signaling_thread_->IsCurrent());
bool result = internal_record_.opened_data_channels.insert(
reinterpret_cast<uintptr_t>(channel)).second;
++internal_record_.data_channels_opened;
RTC_DCHECK(result);
}
void RTCStatsCollector::OnDataChannelClosed(DataChannel* channel) {
RTC_DCHECK(signaling_thread_->IsCurrent());
// Only channels that have been fully opened (and have increased the
// |data_channels_opened_| counter) increase the closed counter.
if (internal_record_.opened_data_channels.erase(
reinterpret_cast<uintptr_t>(channel))) {
++internal_record_.data_channels_closed;
}
}
const char* CandidateTypeToRTCIceCandidateTypeForTesting(
const std::string& type) {
return CandidateTypeToRTCIceCandidateType(type);
}
const char* DataStateToRTCDataChannelStateForTesting(
DataChannelInterface::DataState state) {
return DataStateToRTCDataChannelState(state);
}
} // namespace webrtc
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