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/*
* Copyright 2018 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.
*/
#ifndef PC_TEST_FAKE_PEER_CONNECTION_FOR_STATS_H_
#define PC_TEST_FAKE_PEER_CONNECTION_FOR_STATS_H_
#include <map>
#include <memory>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "media/base/fake_media_engine.h"
#include "pc/stream_collection.h"
#include "pc/test/fake_data_channel_provider.h"
#include "pc/test/fake_peer_connection_base.h"
namespace webrtc {
// Fake VoiceMediaChannel where the result of GetStats can be configured.
class FakeVoiceMediaChannelForStats : public cricket::FakeVoiceMediaChannel {
public:
FakeVoiceMediaChannelForStats()
: cricket::FakeVoiceMediaChannel(nullptr, cricket::AudioOptions()) {}
void SetStats(const cricket::VoiceMediaInfo& voice_info) {
stats_ = voice_info;
}
// VoiceMediaChannel overrides.
bool GetStats(cricket::VoiceMediaInfo* info) override {
if (stats_) {
*info = *stats_;
return true;
}
return false;
}
private:
absl::optional<cricket::VoiceMediaInfo> stats_;
};
// Fake VideoMediaChannel where the result of GetStats can be configured.
class FakeVideoMediaChannelForStats : public cricket::FakeVideoMediaChannel {
public:
FakeVideoMediaChannelForStats()
: cricket::FakeVideoMediaChannel(nullptr, cricket::VideoOptions()) {}
void SetStats(const cricket::VideoMediaInfo& video_info) {
stats_ = video_info;
}
// VideoMediaChannel overrides.
bool GetStats(cricket::VideoMediaInfo* info) override {
if (stats_) {
*info = *stats_;
return true;
}
return false;
}
private:
absl::optional<cricket::VideoMediaInfo> stats_;
};
constexpr bool kDefaultRtcpMuxRequired = true;
constexpr bool kDefaultSrtpRequired = true;
// This class is intended to be fed into the StatsCollector and
// RTCStatsCollector so that the stats functionality can be unit tested.
// Individual tests can configure this fake as needed to simulate scenarios
// under which to test the stats collectors.
class FakePeerConnectionForStats : public FakePeerConnectionBase {
public:
// TODO(steveanton): Add support for specifying separate threads to test
// multi-threading correctness.
FakePeerConnectionForStats()
: network_thread_(rtc::Thread::Current()),
worker_thread_(rtc::Thread::Current()),
signaling_thread_(rtc::Thread::Current()),
local_streams_(StreamCollection::Create()),
remote_streams_(StreamCollection::Create()) {}
rtc::scoped_refptr<StreamCollection> mutable_local_streams() {
return local_streams_;
}
rtc::scoped_refptr<StreamCollection> mutable_remote_streams() {
return remote_streams_;
}
rtc::scoped_refptr<RtpSenderInterface> AddSender(
rtc::scoped_refptr<RtpSenderInternal> sender) {
// TODO(steveanton): Switch tests to use RtpTransceivers directly.
auto sender_proxy = RtpSenderProxyWithInternal<RtpSenderInternal>::Create(
signaling_thread_, sender);
GetOrCreateFirstTransceiverOfType(sender->media_type())
->internal()
->AddSender(sender_proxy);
return sender_proxy;
}
void RemoveSender(rtc::scoped_refptr<RtpSenderInterface> sender) {
GetOrCreateFirstTransceiverOfType(sender->media_type())
->internal()
->RemoveSender(sender);
}
rtc::scoped_refptr<RtpReceiverInterface> AddReceiver(
rtc::scoped_refptr<RtpReceiverInternal> receiver) {
// TODO(steveanton): Switch tests to use RtpTransceivers directly.
auto receiver_proxy =
RtpReceiverProxyWithInternal<RtpReceiverInternal>::Create(
signaling_thread_, receiver);
GetOrCreateFirstTransceiverOfType(receiver->media_type())
->internal()
->AddReceiver(receiver_proxy);
return receiver_proxy;
}
void RemoveReceiver(rtc::scoped_refptr<RtpReceiverInterface> receiver) {
GetOrCreateFirstTransceiverOfType(receiver->media_type())
->internal()
->RemoveReceiver(receiver);
}
FakeVoiceMediaChannelForStats* AddVoiceChannel(
const std::string& mid,
const std::string& transport_name) {
RTC_DCHECK(!voice_channel_);
auto voice_media_channel =
std::make_unique<FakeVoiceMediaChannelForStats>();
auto* voice_media_channel_ptr = voice_media_channel.get();
voice_channel_ = std::make_unique<cricket::VoiceChannel>(
worker_thread_, network_thread_, signaling_thread_,
std::move(voice_media_channel), mid, kDefaultSrtpRequired,
webrtc::CryptoOptions(), &ssrc_generator_);
voice_channel_->set_transport_name_for_testing(transport_name);
GetOrCreateFirstTransceiverOfType(cricket::MEDIA_TYPE_AUDIO)
->internal()
->SetChannel(voice_channel_.get());
return voice_media_channel_ptr;
}
FakeVideoMediaChannelForStats* AddVideoChannel(
const std::string& mid,
const std::string& transport_name) {
RTC_DCHECK(!video_channel_);
auto video_media_channel =
std::make_unique<FakeVideoMediaChannelForStats>();
auto video_media_channel_ptr = video_media_channel.get();
video_channel_ = std::make_unique<cricket::VideoChannel>(
worker_thread_, network_thread_, signaling_thread_,
std::move(video_media_channel), mid, kDefaultSrtpRequired,
webrtc::CryptoOptions(), &ssrc_generator_);
video_channel_->set_transport_name_for_testing(transport_name);
GetOrCreateFirstTransceiverOfType(cricket::MEDIA_TYPE_VIDEO)
->internal()
->SetChannel(video_channel_.get());
return video_media_channel_ptr;
}
void AddSctpDataChannel(const std::string& label) {
AddSctpDataChannel(label, InternalDataChannelInit());
}
void AddSctpDataChannel(const std::string& label,
const InternalDataChannelInit& init) {
AddSctpDataChannel(DataChannel::Create(&data_channel_provider_,
cricket::DCT_SCTP, label, init));
}
void AddSctpDataChannel(rtc::scoped_refptr<DataChannel> data_channel) {
sctp_data_channels_.push_back(data_channel);
}
void SetTransportStats(const std::string& transport_name,
const cricket::TransportChannelStats& channel_stats) {
SetTransportStats(
transport_name,
std::vector<cricket::TransportChannelStats>{channel_stats});
}
void SetTransportStats(
const std::string& transport_name,
const std::vector<cricket::TransportChannelStats>& channel_stats_list) {
cricket::TransportStats transport_stats;
transport_stats.transport_name = transport_name;
transport_stats.channel_stats = channel_stats_list;
transport_stats_by_name_[transport_name] = transport_stats;
}
void SetCallStats(const Call::Stats& call_stats) { call_stats_ = call_stats; }
void SetLocalCertificate(
const std::string& transport_name,
rtc::scoped_refptr<rtc::RTCCertificate> certificate) {
local_certificates_by_transport_[transport_name] = certificate;
}
void SetRemoteCertChain(const std::string& transport_name,
std::unique_ptr<rtc::SSLCertChain> chain) {
remote_cert_chains_by_transport_[transport_name] = std::move(chain);
}
// PeerConnectionInterface overrides.
rtc::scoped_refptr<StreamCollectionInterface> local_streams() override {
return local_streams_;
}
rtc::scoped_refptr<StreamCollectionInterface> remote_streams() override {
return remote_streams_;
}
std::vector<rtc::scoped_refptr<RtpSenderInterface>> GetSenders()
const override {
std::vector<rtc::scoped_refptr<RtpSenderInterface>> senders;
for (auto transceiver : transceivers_) {
for (auto sender : transceiver->internal()->senders()) {
senders.push_back(sender);
}
}
return senders;
}
std::vector<rtc::scoped_refptr<RtpReceiverInterface>> GetReceivers()
const override {
std::vector<rtc::scoped_refptr<RtpReceiverInterface>> receivers;
for (auto transceiver : transceivers_) {
for (auto receiver : transceiver->internal()->receivers()) {
receivers.push_back(receiver);
}
}
return receivers;
}
// PeerConnectionInternal overrides.
rtc::Thread* network_thread() const override { return network_thread_; }
rtc::Thread* worker_thread() const override { return worker_thread_; }
rtc::Thread* signaling_thread() const override { return signaling_thread_; }
std::vector<
rtc::scoped_refptr<RtpTransceiverProxyWithInternal<RtpTransceiver>>>
GetTransceiversInternal() const override {
return transceivers_;
}
std::vector<rtc::scoped_refptr<DataChannel>> sctp_data_channels()
const override {
return sctp_data_channels_;
}
cricket::CandidateStatsList GetPooledCandidateStats() const override {
return {};
}
std::map<std::string, std::string> GetTransportNamesByMid() const override {
std::map<std::string, std::string> transport_names_by_mid;
if (voice_channel_) {
transport_names_by_mid[voice_channel_->content_name()] =
voice_channel_->transport_name();
}
if (video_channel_) {
transport_names_by_mid[video_channel_->content_name()] =
video_channel_->transport_name();
}
return transport_names_by_mid;
}
std::map<std::string, cricket::TransportStats> GetTransportStatsByNames(
const std::set<std::string>& transport_names) override {
std::map<std::string, cricket::TransportStats> transport_stats_by_name;
for (const std::string& transport_name : transport_names) {
transport_stats_by_name[transport_name] =
GetTransportStatsByName(transport_name);
}
return transport_stats_by_name;
}
Call::Stats GetCallStats() override { return call_stats_; }
bool GetLocalCertificate(
const std::string& transport_name,
rtc::scoped_refptr<rtc::RTCCertificate>* certificate) override {
auto it = local_certificates_by_transport_.find(transport_name);
if (it != local_certificates_by_transport_.end()) {
*certificate = it->second;
return true;
} else {
return false;
}
}
std::unique_ptr<rtc::SSLCertChain> GetRemoteSSLCertChain(
const std::string& transport_name) override {
auto it = remote_cert_chains_by_transport_.find(transport_name);
if (it != remote_cert_chains_by_transport_.end()) {
return it->second->Clone();
} else {
return nullptr;
}
}
private:
cricket::TransportStats GetTransportStatsByName(
const std::string& transport_name) {
auto it = transport_stats_by_name_.find(transport_name);
if (it != transport_stats_by_name_.end()) {
// If specific transport stats have been specified, return those.
return it->second;
}
// Otherwise, generate some dummy stats.
cricket::TransportChannelStats channel_stats;
channel_stats.component = cricket::ICE_CANDIDATE_COMPONENT_RTP;
cricket::TransportStats transport_stats;
transport_stats.transport_name = transport_name;
transport_stats.channel_stats.push_back(channel_stats);
return transport_stats;
}
rtc::scoped_refptr<RtpTransceiverProxyWithInternal<RtpTransceiver>>
GetOrCreateFirstTransceiverOfType(cricket::MediaType media_type) {
for (auto transceiver : transceivers_) {
if (transceiver->internal()->media_type() == media_type) {
return transceiver;
}
}
auto transceiver = RtpTransceiverProxyWithInternal<RtpTransceiver>::Create(
signaling_thread_, new RtpTransceiver(media_type));
transceivers_.push_back(transceiver);
return transceiver;
}
rtc::Thread* const network_thread_;
rtc::Thread* const worker_thread_;
rtc::Thread* const signaling_thread_;
rtc::scoped_refptr<StreamCollection> local_streams_;
rtc::scoped_refptr<StreamCollection> remote_streams_;
std::vector<
rtc::scoped_refptr<RtpTransceiverProxyWithInternal<RtpTransceiver>>>
transceivers_;
FakeDataChannelProvider data_channel_provider_;
std::unique_ptr<cricket::VoiceChannel> voice_channel_;
std::unique_ptr<cricket::VideoChannel> video_channel_;
std::vector<rtc::scoped_refptr<DataChannel>> sctp_data_channels_;
std::map<std::string, cricket::TransportStats> transport_stats_by_name_;
Call::Stats call_stats_;
std::map<std::string, rtc::scoped_refptr<rtc::RTCCertificate>>
local_certificates_by_transport_;
std::map<std::string, std::unique_ptr<rtc::SSLCertChain>>
remote_cert_chains_by_transport_;
rtc::UniqueRandomIdGenerator ssrc_generator_;
};
} // namespace webrtc
#endif // PC_TEST_FAKE_PEER_CONNECTION_FOR_STATS_H_