Index: webrtc/pc/peerconnection_integrationtest.cc |
diff --git a/webrtc/pc/peerconnection_integrationtest.cc b/webrtc/pc/peerconnection_integrationtest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8a4df9b1893a40350d266f6bebe93bcfdea78ddb |
--- /dev/null |
+++ b/webrtc/pc/peerconnection_integrationtest.cc |
@@ -0,0 +1,2706 @@ |
+/* |
+ * Copyright 2012 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. |
+ */ |
+ |
+// Disable for TSan v2, see |
+// https://code.google.com/p/webrtc/issues/detail?id=1205 for details. |
+#if !defined(THREAD_SANITIZER) |
+ |
+#include <stdio.h> |
+ |
+#include <algorithm> |
+#include <functional> |
+#include <list> |
+#include <map> |
+#include <memory> |
+#include <utility> |
+#include <vector> |
+ |
+#include "webrtc/api/fakemetricsobserver.h" |
+#include "webrtc/api/mediastreaminterface.h" |
+#include "webrtc/api/peerconnectioninterface.h" |
+#include "webrtc/api/test/fakeconstraints.h" |
+#include "webrtc/base/asyncinvoker.h" |
+#include "webrtc/base/fakenetwork.h" |
+#include "webrtc/base/gunit.h" |
+#include "webrtc/base/helpers.h" |
+#include "webrtc/base/physicalsocketserver.h" |
+#include "webrtc/base/ssladapter.h" |
+#include "webrtc/base/sslstreamadapter.h" |
+#include "webrtc/base/thread.h" |
+#include "webrtc/base/virtualsocketserver.h" |
+#include "webrtc/media/engine/fakewebrtcvideoengine.h" |
+#include "webrtc/p2p/base/p2pconstants.h" |
+#include "webrtc/p2p/base/portinterface.h" |
+#include "webrtc/p2p/base/sessiondescription.h" |
+#include "webrtc/p2p/base/testturnserver.h" |
+#include "webrtc/p2p/client/basicportallocator.h" |
+#include "webrtc/pc/dtmfsender.h" |
+#include "webrtc/pc/localaudiosource.h" |
+#include "webrtc/pc/mediasession.h" |
+#include "webrtc/pc/peerconnection.h" |
+#include "webrtc/pc/peerconnectionfactory.h" |
+#include "webrtc/pc/test/fakeaudiocapturemodule.h" |
+#include "webrtc/pc/test/fakeperiodicvideocapturer.h" |
+#include "webrtc/pc/test/fakertccertificategenerator.h" |
+#include "webrtc/pc/test/fakevideotrackrenderer.h" |
+#include "webrtc/pc/test/mockpeerconnectionobservers.h" |
+ |
+using cricket::ContentInfo; |
+using cricket::FakeWebRtcVideoDecoder; |
+using cricket::FakeWebRtcVideoDecoderFactory; |
+using cricket::FakeWebRtcVideoEncoder; |
+using cricket::FakeWebRtcVideoEncoderFactory; |
+using cricket::MediaContentDescription; |
+using webrtc::DataBuffer; |
+using webrtc::DataChannelInterface; |
+using webrtc::DtmfSender; |
+using webrtc::DtmfSenderInterface; |
+using webrtc::DtmfSenderObserverInterface; |
+using webrtc::FakeConstraints; |
+using webrtc::MediaConstraintsInterface; |
+using webrtc::MediaStreamInterface; |
+using webrtc::MediaStreamTrackInterface; |
+using webrtc::MockCreateSessionDescriptionObserver; |
+using webrtc::MockDataChannelObserver; |
+using webrtc::MockSetSessionDescriptionObserver; |
+using webrtc::MockStatsObserver; |
+using webrtc::ObserverInterface; |
+using webrtc::PeerConnectionInterface; |
+using webrtc::PeerConnectionFactory; |
+using webrtc::SessionDescriptionInterface; |
+using webrtc::StreamCollectionInterface; |
+ |
+namespace { |
+ |
+static const int kDefaultTimeout = 10000; |
+static const int kMaxWaitForStatsMs = 3000; |
+static const int kMaxWaitForActivationMs = 5000; |
+static const int kMaxWaitForFramesMs = 10000; |
+// Default number of audio/video frames to wait for before considering a test |
+// successful. |
+static const int kDefaultExpectedAudioFrameCount = 3; |
+static const int kDefaultExpectedVideoFrameCount = 3; |
+ |
+static const char kDefaultStreamLabel[] = "stream_label"; |
+static const char kDefaultVideoTrackId[] = "video_track"; |
+static const char kDefaultAudioTrackId[] = "audio_track"; |
+static const char kDataChannelLabel[] = "data_channel"; |
+ |
+// SRTP cipher name negotiated by the tests. This must be updated if the |
+// default changes. |
+static const int kDefaultSrtpCryptoSuite = rtc::SRTP_AES128_CM_SHA1_32; |
+static const int kDefaultSrtpCryptoSuiteGcm = rtc::SRTP_AEAD_AES_256_GCM; |
+ |
+// Helper function for constructing offer/answer options to initiate an ICE |
+// restart. |
+PeerConnectionInterface::RTCOfferAnswerOptions IceRestartOfferAnswerOptions() { |
+ PeerConnectionInterface::RTCOfferAnswerOptions options; |
+ options.ice_restart = true; |
+ return options; |
+} |
+ |
+class SignalingMessageReceiver { |
+ public: |
+ virtual void ReceiveSdpMessage(const std::string& type, |
+ const std::string& msg) = 0; |
+ virtual void ReceiveIceMessage(const std::string& sdp_mid, |
+ int sdp_mline_index, |
+ const std::string& msg) = 0; |
+ |
+ protected: |
+ SignalingMessageReceiver() {} |
+ virtual ~SignalingMessageReceiver() {} |
+}; |
+ |
+class MockRtpReceiverObserver : public webrtc::RtpReceiverObserverInterface { |
+ public: |
+ explicit MockRtpReceiverObserver(cricket::MediaType media_type) |
+ : expected_media_type_(media_type) {} |
+ |
+ void OnFirstPacketReceived(cricket::MediaType media_type) override { |
+ ASSERT_EQ(expected_media_type_, media_type); |
+ first_packet_received_ = true; |
+ } |
+ |
+ bool first_packet_received() const { return first_packet_received_; } |
+ |
+ virtual ~MockRtpReceiverObserver() {} |
+ |
+ private: |
+ bool first_packet_received_ = false; |
+ cricket::MediaType expected_media_type_; |
+}; |
+ |
+// Helper class that wraps a peer connection, observes it, and can accept |
+// signaling messages from another wrapper. |
+// |
+// Uses a fake network, fake A/V capture, and optionally fake |
+// encoders/decoders, though they aren't used by default since they don't |
+// advertise support of any codecs. |
+class PeerConnectionWrapper : public webrtc::PeerConnectionObserver, |
+ public SignalingMessageReceiver, |
+ public ObserverInterface { |
+ public: |
+ // Different factory methods for convenience. |
+ // TODO(deadbeef): Could use the pattern of: |
+ // |
+ // PeerConnectionWrapper = |
+ // WrapperBuilder.WithConfig(...).WithOptions(...).build(); |
+ // |
+ // To reduce some code duplication. |
+ static PeerConnectionWrapper* CreateWithDtlsIdentityStore( |
+ const std::string& debug_name, |
+ std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator, |
+ rtc::Thread* network_thread, |
+ rtc::Thread* worker_thread) { |
+ PeerConnectionWrapper* client(new PeerConnectionWrapper(debug_name)); |
+ if (!client->Init(nullptr, nullptr, nullptr, std::move(cert_generator), |
+ network_thread, worker_thread)) { |
+ delete client; |
+ return nullptr; |
+ } |
+ return client; |
+ } |
+ |
+ static PeerConnectionWrapper* CreateWithConfig( |
+ const std::string& debug_name, |
+ const PeerConnectionInterface::RTCConfiguration& config, |
+ rtc::Thread* network_thread, |
+ rtc::Thread* worker_thread) { |
+ std::unique_ptr<FakeRTCCertificateGenerator> cert_generator( |
+ new FakeRTCCertificateGenerator()); |
+ PeerConnectionWrapper* client(new PeerConnectionWrapper(debug_name)); |
+ if (!client->Init(nullptr, nullptr, &config, std::move(cert_generator), |
+ network_thread, worker_thread)) { |
+ delete client; |
+ return nullptr; |
+ } |
+ return client; |
+ } |
+ |
+ static PeerConnectionWrapper* CreateWithOptions( |
+ const std::string& debug_name, |
+ const PeerConnectionFactory::Options& options, |
+ rtc::Thread* network_thread, |
+ rtc::Thread* worker_thread) { |
+ std::unique_ptr<FakeRTCCertificateGenerator> cert_generator( |
+ new FakeRTCCertificateGenerator()); |
+ PeerConnectionWrapper* client(new PeerConnectionWrapper(debug_name)); |
+ if (!client->Init(nullptr, &options, nullptr, std::move(cert_generator), |
+ network_thread, worker_thread)) { |
+ delete client; |
+ return nullptr; |
+ } |
+ return client; |
+ } |
+ |
+ static PeerConnectionWrapper* CreateWithConstraints( |
+ const std::string& debug_name, |
+ const MediaConstraintsInterface* constraints, |
+ rtc::Thread* network_thread, |
+ rtc::Thread* worker_thread) { |
+ std::unique_ptr<FakeRTCCertificateGenerator> cert_generator( |
+ new FakeRTCCertificateGenerator()); |
+ PeerConnectionWrapper* client(new PeerConnectionWrapper(debug_name)); |
+ if (!client->Init(constraints, nullptr, nullptr, std::move(cert_generator), |
+ network_thread, worker_thread)) { |
+ delete client; |
+ return nullptr; |
+ } |
+ return client; |
+ } |
+ |
+ webrtc::PeerConnectionInterface* pc() const { return peer_connection_.get(); } |
+ |
+ // If a signaling message receiver is set (via ConnectFakeSignaling), this |
+ // will set the whole offer/answer exchange in motion. Just need to wait for |
+ // the signaling state to reach "stable". |
+ void CreateAndSetAndSignalOffer() { |
+ auto offer = CreateOffer(); |
+ ASSERT_NE(nullptr, offer); |
+ EXPECT_TRUE(SetLocalDescriptionAndSendSdpMessage(std::move(offer))); |
+ } |
+ |
+ // Sets the options to be used when CreateAndSetAndSignalOffer is called, or |
+ // when a remote offer is received (via fake signaling) and an answer is |
+ // generated. By default, uses default options. |
+ void SetOfferAnswerOptions( |
+ const PeerConnectionInterface::RTCOfferAnswerOptions& options) { |
+ offer_answer_options_ = options; |
+ } |
+ |
+ // Set a callback to be invoked when SDP is received via the fake signaling |
+ // channel, which provides an opportunity to munge (modify) the SDP. This is |
+ // used to test SDP being applied that a PeerConnection would normally not |
+ // generate, but a non-JSEP endpoint might. |
+ void SetReceivedSdpMunger( |
+ std::function<void(cricket::SessionDescription*)> munger) { |
+ received_sdp_munger_ = munger; |
+ } |
+ |
+ // Siimlar to the above, but this is run on SDP immediately after it's |
+ // generated. |
+ void SetGeneratedSdpMunger( |
+ std::function<void(cricket::SessionDescription*)> munger) { |
+ generated_sdp_munger_ = munger; |
+ } |
+ |
+ // Number of times the gathering state has transitioned to "gathering". |
+ // Useful for telling if an ICE restart occurred as expected. |
+ int transitions_to_gathering_state() const { |
+ return transitions_to_gathering_state_; |
+ } |
+ |
+ // TODO(deadbeef): Switch the majority of these tests to use AddTrack instead |
+ // of AddStream since AddStream is deprecated. |
+ void AddAudioVideoMediaStream() { |
+ AddMediaStreamFromTracks(CreateLocalAudioTrack(), CreateLocalVideoTrack()); |
+ } |
+ |
+ void AddAudioOnlyMediaStream() { |
+ AddMediaStreamFromTracks(CreateLocalAudioTrack(), nullptr); |
+ } |
+ |
+ void AddVideoOnlyMediaStream() { |
+ AddMediaStreamFromTracks(nullptr, CreateLocalVideoTrack()); |
+ } |
+ |
+ rtc::scoped_refptr<webrtc::AudioTrackInterface> CreateLocalAudioTrack() { |
+ FakeConstraints constraints; |
+ // Disable highpass filter so that we can get all the test audio frames. |
+ constraints.AddMandatory(MediaConstraintsInterface::kHighpassFilter, false); |
+ rtc::scoped_refptr<webrtc::AudioSourceInterface> source = |
+ peer_connection_factory_->CreateAudioSource(&constraints); |
+ // TODO(perkj): Test audio source when it is implemented. Currently audio |
+ // always use the default input. |
+ return peer_connection_factory_->CreateAudioTrack(kDefaultAudioTrackId, |
+ source); |
+ } |
+ |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> CreateLocalVideoTrack() { |
+ return CreateLocalVideoTrackInternal( |
+ kDefaultVideoTrackId, FakeConstraints(), webrtc::kVideoRotation_0); |
+ } |
+ |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> |
+ CreateLocalVideoTrackWithConstraints(const FakeConstraints& constraints) { |
+ return CreateLocalVideoTrackInternal(kDefaultVideoTrackId, constraints, |
+ webrtc::kVideoRotation_0); |
+ } |
+ |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> |
+ CreateLocalVideoTrackWithRotation(webrtc::VideoRotation rotation) { |
+ return CreateLocalVideoTrackInternal(kDefaultVideoTrackId, |
+ FakeConstraints(), rotation); |
+ } |
+ |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> CreateLocalVideoTrackWithId( |
+ const std::string& id) { |
+ return CreateLocalVideoTrackInternal(id, FakeConstraints(), |
+ webrtc::kVideoRotation_0); |
+ } |
+ |
+ void AddMediaStreamFromTracks( |
+ rtc::scoped_refptr<webrtc::AudioTrackInterface> audio, |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> video) { |
+ AddMediaStreamFromTracksWithLabel(audio, video, kDefaultStreamLabel); |
+ } |
+ |
+ void AddMediaStreamFromTracksWithLabel( |
+ rtc::scoped_refptr<webrtc::AudioTrackInterface> audio, |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> video, |
+ const std::string& stream_label) { |
+ rtc::scoped_refptr<MediaStreamInterface> stream = |
+ peer_connection_factory_->CreateLocalMediaStream(stream_label); |
+ if (audio) { |
+ stream->AddTrack(audio); |
+ } |
+ if (video) { |
+ stream->AddTrack(video); |
+ } |
+ EXPECT_TRUE(pc()->AddStream(stream)); |
+ } |
+ |
+ bool SignalingStateStable() { |
+ return pc()->signaling_state() == webrtc::PeerConnectionInterface::kStable; |
+ } |
+ |
+ void CreateDataChannel() { CreateDataChannel(nullptr); } |
+ |
+ void CreateDataChannel(const webrtc::DataChannelInit* init) { |
+ data_channel_ = pc()->CreateDataChannel(kDataChannelLabel, init); |
+ ASSERT_TRUE(data_channel_.get() != nullptr); |
+ data_observer_.reset(new MockDataChannelObserver(data_channel_)); |
+ } |
+ |
+ DataChannelInterface* data_channel() { return data_channel_; } |
+ const MockDataChannelObserver* data_observer() const { |
+ return data_observer_.get(); |
+ } |
+ |
+ int audio_frames_received() const { |
+ return fake_audio_capture_module_->frames_received(); |
+ } |
+ |
+ // Takes minimum of video frames received for each track. |
+ // |
+ // Can be used like: |
+ // EXPECT_GE(expected_frames, min_video_frames_received_per_track()); |
+ // |
+ // To ensure that all video tracks received at least a certain number of |
+ // frames. |
+ int min_video_frames_received_per_track() const { |
+ int min_frames = INT_MAX; |
+ if (video_decoder_factory_enabled_) { |
+ const std::vector<FakeWebRtcVideoDecoder*>& decoders = |
+ fake_video_decoder_factory_->decoders(); |
+ if (decoders.empty()) { |
+ return 0; |
+ } |
+ for (FakeWebRtcVideoDecoder* decoder : decoders) { |
+ min_frames = std::min(min_frames, decoder->GetNumFramesReceived()); |
+ } |
+ return min_frames; |
+ } else { |
+ if (fake_video_renderers_.empty()) { |
+ return 0; |
+ } |
+ |
+ for (const auto& pair : fake_video_renderers_) { |
+ min_frames = std::min(min_frames, pair.second->num_rendered_frames()); |
+ } |
+ return min_frames; |
+ } |
+ } |
+ |
+ // In contrast to the above, sums the video frames received for all tracks. |
+ // Can be used to verify that no video frames were received, or that the |
+ // counts didn't increase. |
+ int total_video_frames_received() const { |
+ int total = 0; |
+ if (video_decoder_factory_enabled_) { |
+ const std::vector<FakeWebRtcVideoDecoder*>& decoders = |
+ fake_video_decoder_factory_->decoders(); |
+ for (const FakeWebRtcVideoDecoder* decoder : decoders) { |
+ total += decoder->GetNumFramesReceived(); |
+ } |
+ } else { |
+ for (const auto& pair : fake_video_renderers_) { |
+ total += pair.second->num_rendered_frames(); |
+ } |
+ for (const auto& renderer : removed_fake_video_renderers_) { |
+ total += renderer->num_rendered_frames(); |
+ } |
+ } |
+ return total; |
+ } |
+ |
+ // Returns a MockStatsObserver in a state after stats gathering finished, |
+ // which can be used to access the gathered stats. |
+ rtc::scoped_refptr<MockStatsObserver> GetStatsForTrack( |
+ webrtc::MediaStreamTrackInterface* track) { |
+ rtc::scoped_refptr<MockStatsObserver> observer( |
+ new rtc::RefCountedObject<MockStatsObserver>()); |
+ EXPECT_TRUE(peer_connection_->GetStats( |
+ observer, nullptr, PeerConnectionInterface::kStatsOutputLevelStandard)); |
+ EXPECT_TRUE_WAIT(observer->called(), kDefaultTimeout); |
+ return observer; |
+ } |
+ |
+ // Version that doesn't take a track "filter", and gathers all stats. |
+ rtc::scoped_refptr<MockStatsObserver> GetStats() { |
+ return GetStatsForTrack(nullptr); |
+ } |
+ |
+ int rendered_width() { |
+ EXPECT_FALSE(fake_video_renderers_.empty()); |
+ return fake_video_renderers_.empty() |
+ ? 0 |
+ : fake_video_renderers_.begin()->second->width(); |
+ } |
+ |
+ int rendered_height() { |
+ EXPECT_FALSE(fake_video_renderers_.empty()); |
+ return fake_video_renderers_.empty() |
+ ? 0 |
+ : fake_video_renderers_.begin()->second->height(); |
+ } |
+ |
+ double rendered_aspect_ratio() { |
+ if (rendered_height() == 0) { |
+ return 0.0; |
+ } |
+ return static_cast<double>(rendered_width()) / rendered_height(); |
+ } |
+ |
+ webrtc::VideoRotation rendered_rotation() { |
+ EXPECT_FALSE(fake_video_renderers_.empty()); |
+ return fake_video_renderers_.empty() |
+ ? webrtc::kVideoRotation_0 |
+ : fake_video_renderers_.begin()->second->rotation(); |
+ } |
+ |
+ int local_rendered_width() { |
+ return local_video_renderer_ ? local_video_renderer_->width() : 0; |
+ } |
+ |
+ int local_rendered_height() { |
+ return local_video_renderer_ ? local_video_renderer_->height() : 0; |
+ } |
+ |
+ double local_rendered_aspect_ratio() { |
+ if (local_rendered_height() == 0) { |
+ return 0.0; |
+ } |
+ return static_cast<double>(local_rendered_width()) / |
+ local_rendered_height(); |
+ } |
+ |
+ size_t number_of_remote_streams() { |
+ if (!pc()) { |
+ return 0; |
+ } |
+ return pc()->remote_streams()->count(); |
+ } |
+ |
+ StreamCollectionInterface* remote_streams() const { |
+ if (!pc()) { |
+ ADD_FAILURE(); |
+ return nullptr; |
+ } |
+ return pc()->remote_streams(); |
+ } |
+ |
+ StreamCollectionInterface* local_streams() { |
+ if (!pc()) { |
+ ADD_FAILURE(); |
+ return nullptr; |
+ } |
+ return pc()->local_streams(); |
+ } |
+ |
+ webrtc::PeerConnectionInterface::SignalingState signaling_state() { |
+ return pc()->signaling_state(); |
+ } |
+ |
+ webrtc::PeerConnectionInterface::IceConnectionState ice_connection_state() { |
+ return pc()->ice_connection_state(); |
+ } |
+ |
+ webrtc::PeerConnectionInterface::IceGatheringState ice_gathering_state() { |
+ return pc()->ice_gathering_state(); |
+ } |
+ |
+ // Returns a MockRtpReceiverObserver for each RtpReceiver returned by |
+ // GetReceivers. They're updated automatically when a remote offer/answer |
+ // from the fake signaling channel is applied, or when |
+ // ResetRtpReceiverObservers below is called. |
+ const std::vector<std::unique_ptr<MockRtpReceiverObserver>>& |
+ rtp_receiver_observers() { |
+ return rtp_receiver_observers_; |
+ } |
+ |
+ void ResetRtpReceiverObservers() { |
+ rtp_receiver_observers_.clear(); |
+ for (auto receiver : pc()->GetReceivers()) { |
+ std::unique_ptr<MockRtpReceiverObserver> observer( |
+ new MockRtpReceiverObserver(receiver->media_type())); |
+ receiver->SetObserver(observer.get()); |
+ rtp_receiver_observers_.push_back(std::move(observer)); |
+ } |
+ } |
+ |
+ private: |
+ explicit PeerConnectionWrapper(const std::string& debug_name) |
+ : debug_name_(debug_name) {} |
+ |
+ bool Init( |
+ const MediaConstraintsInterface* constraints, |
+ const PeerConnectionFactory::Options* options, |
+ const PeerConnectionInterface::RTCConfiguration* config, |
+ std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator, |
+ rtc::Thread* network_thread, |
+ rtc::Thread* worker_thread) { |
+ // There's an error in this test code if Init ends up being called twice. |
+ RTC_DCHECK(!peer_connection_); |
+ RTC_DCHECK(!peer_connection_factory_); |
+ |
+ fake_network_manager_.reset(new rtc::FakeNetworkManager()); |
+ fake_network_manager_->AddInterface(rtc::SocketAddress("192.168.1.1", 0)); |
+ |
+ std::unique_ptr<cricket::PortAllocator> port_allocator( |
+ new cricket::BasicPortAllocator(fake_network_manager_.get())); |
+ fake_audio_capture_module_ = FakeAudioCaptureModule::Create(); |
+ if (!fake_audio_capture_module_) { |
+ return false; |
+ } |
+ // Note that these factories don't end up getting used unless supported |
+ // codecs are added to them. |
+ fake_video_decoder_factory_ = new FakeWebRtcVideoDecoderFactory(); |
+ fake_video_encoder_factory_ = new FakeWebRtcVideoEncoderFactory(); |
+ rtc::Thread* const signaling_thread = rtc::Thread::Current(); |
+ peer_connection_factory_ = webrtc::CreatePeerConnectionFactory( |
+ network_thread, worker_thread, signaling_thread, |
+ fake_audio_capture_module_, fake_video_encoder_factory_, |
+ fake_video_decoder_factory_); |
+ if (!peer_connection_factory_) { |
+ return false; |
+ } |
+ if (options) { |
+ peer_connection_factory_->SetOptions(*options); |
+ } |
+ peer_connection_ = |
+ CreatePeerConnection(std::move(port_allocator), constraints, config, |
+ std::move(cert_generator)); |
+ return peer_connection_.get() != nullptr; |
+ } |
+ |
+ rtc::scoped_refptr<webrtc::PeerConnectionInterface> CreatePeerConnection( |
+ std::unique_ptr<cricket::PortAllocator> port_allocator, |
+ const MediaConstraintsInterface* constraints, |
+ const PeerConnectionInterface::RTCConfiguration* config, |
+ std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator) { |
+ PeerConnectionInterface::RTCConfiguration modified_config; |
+ // If |config| is null, this will result in a default configuration being |
+ // used. |
+ if (config) { |
+ modified_config = *config; |
+ } |
+ // Disable resolution adaptation; we don't want it interfering with the |
+ // test results. |
+ // TODO(deadbeef): Do something more robust. Since we're testing for aspect |
+ // ratios and not specific resolutions, is this even necessary? |
+ modified_config.set_cpu_adaptation(false); |
+ |
+ return peer_connection_factory_->CreatePeerConnection( |
+ modified_config, constraints, std::move(port_allocator), |
+ std::move(cert_generator), this); |
+ } |
+ |
+ void set_signaling_message_receiver( |
+ SignalingMessageReceiver* signaling_message_receiver) { |
+ signaling_message_receiver_ = signaling_message_receiver; |
+ } |
+ |
+ void set_signaling_delay_ms(int delay_ms) { signaling_delay_ms_ = delay_ms; } |
+ |
+ void EnableVideoDecoderFactory() { |
+ video_decoder_factory_enabled_ = true; |
+ fake_video_decoder_factory_->AddSupportedVideoCodecType( |
+ webrtc::kVideoCodecVP8); |
+ } |
+ |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> CreateLocalVideoTrackInternal( |
+ const std::string& track_id, |
+ const FakeConstraints& constraints, |
+ webrtc::VideoRotation rotation) { |
+ // Set max frame rate to 10fps to reduce the risk of test flakiness. |
+ // TODO(deadbeef): Do something more robust. |
+ FakeConstraints source_constraints = constraints; |
+ source_constraints.SetMandatoryMaxFrameRate(10); |
+ |
+ cricket::FakeVideoCapturer* fake_capturer = |
+ new webrtc::FakePeriodicVideoCapturer(); |
+ fake_capturer->SetRotation(rotation); |
+ video_capturers_.push_back(fake_capturer); |
+ rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> source = |
+ peer_connection_factory_->CreateVideoSource(fake_capturer, |
+ &source_constraints); |
+ rtc::scoped_refptr<webrtc::VideoTrackInterface> track( |
+ peer_connection_factory_->CreateVideoTrack(track_id, source)); |
+ if (!local_video_renderer_) { |
+ local_video_renderer_.reset(new webrtc::FakeVideoTrackRenderer(track)); |
+ } |
+ return track; |
+ } |
+ |
+ void HandleIncomingOffer(const std::string& msg) { |
+ LOG(LS_INFO) << debug_name_ << ": HandleIncomingOffer"; |
+ std::unique_ptr<SessionDescriptionInterface> desc( |
+ webrtc::CreateSessionDescription("offer", msg, nullptr)); |
+ if (received_sdp_munger_) { |
+ received_sdp_munger_(desc->description()); |
+ } |
+ |
+ EXPECT_TRUE(SetRemoteDescription(std::move(desc))); |
+ // Setting a remote description may have changed the number of receivers, |
+ // so reset the receiver observers. |
+ ResetRtpReceiverObservers(); |
+ auto answer = CreateAnswer(); |
+ ASSERT_NE(nullptr, answer); |
+ EXPECT_TRUE(SetLocalDescriptionAndSendSdpMessage(std::move(answer))); |
+ } |
+ |
+ void HandleIncomingAnswer(const std::string& msg) { |
+ LOG(LS_INFO) << debug_name_ << ": HandleIncomingAnswer"; |
+ std::unique_ptr<SessionDescriptionInterface> desc( |
+ webrtc::CreateSessionDescription("answer", msg, nullptr)); |
+ if (received_sdp_munger_) { |
+ received_sdp_munger_(desc->description()); |
+ } |
+ |
+ EXPECT_TRUE(SetRemoteDescription(std::move(desc))); |
+ // Set the RtpReceiverObserver after receivers are created. |
+ ResetRtpReceiverObservers(); |
+ } |
+ |
+ // Returns null on failure. |
+ std::unique_ptr<SessionDescriptionInterface> CreateOffer() { |
+ rtc::scoped_refptr<MockCreateSessionDescriptionObserver> observer( |
+ new rtc::RefCountedObject<MockCreateSessionDescriptionObserver>()); |
+ pc()->CreateOffer(observer, offer_answer_options_); |
+ return WaitForDescriptionFromObserver(observer); |
+ } |
+ |
+ // Returns null on failure. |
+ std::unique_ptr<SessionDescriptionInterface> CreateAnswer() { |
+ rtc::scoped_refptr<MockCreateSessionDescriptionObserver> observer( |
+ new rtc::RefCountedObject<MockCreateSessionDescriptionObserver>()); |
+ pc()->CreateAnswer(observer, offer_answer_options_); |
+ return WaitForDescriptionFromObserver(observer); |
+ } |
+ |
+ std::unique_ptr<SessionDescriptionInterface> WaitForDescriptionFromObserver( |
+ rtc::scoped_refptr<MockCreateSessionDescriptionObserver> observer) { |
+ EXPECT_EQ_WAIT(true, observer->called(), kDefaultTimeout); |
+ if (!observer->result()) { |
+ return nullptr; |
+ } |
+ auto description = observer->MoveDescription(); |
+ if (generated_sdp_munger_) { |
+ generated_sdp_munger_(description->description()); |
+ } |
+ return description; |
+ } |
+ |
+ // Setting the local description and sending the SDP message over the fake |
+ // signaling channel are combined into the same method because the SDP |
+ // message needs to be sent as soon as SetLocalDescription finishes, without |
+ // waiting for the observer to be called. This ensures that ICE candidates |
+ // don't outrace the description. |
+ bool SetLocalDescriptionAndSendSdpMessage( |
+ std::unique_ptr<SessionDescriptionInterface> desc) { |
+ rtc::scoped_refptr<MockSetSessionDescriptionObserver> observer( |
+ new rtc::RefCountedObject<MockSetSessionDescriptionObserver>()); |
+ LOG(LS_INFO) << debug_name_ << ": SetLocalDescriptionAndSendSdpMessage"; |
+ std::string type = desc->type(); |
+ std::string sdp; |
+ EXPECT_TRUE(desc->ToString(&sdp)); |
+ pc()->SetLocalDescription(observer, desc.release()); |
+ // As mentioned above, we need to send the message immediately after |
+ // SetLocalDescription. |
+ SendSdpMessage(type, sdp); |
+ EXPECT_TRUE_WAIT(observer->called(), kDefaultTimeout); |
+ return true; |
+ } |
+ |
+ bool SetRemoteDescription(std::unique_ptr<SessionDescriptionInterface> desc) { |
+ rtc::scoped_refptr<MockSetSessionDescriptionObserver> observer( |
+ new rtc::RefCountedObject<MockSetSessionDescriptionObserver>()); |
+ LOG(LS_INFO) << debug_name_ << ": SetRemoteDescription"; |
+ pc()->SetRemoteDescription(observer, desc.release()); |
+ EXPECT_TRUE_WAIT(observer->called(), kDefaultTimeout); |
+ return observer->result(); |
+ } |
+ |
+ // Simulate sending a blob of SDP with delay |signaling_delay_ms_| (0 by |
+ // default). |
+ void SendSdpMessage(const std::string& type, const std::string& msg) { |
+ if (signaling_delay_ms_ == 0) { |
+ RelaySdpMessageIfReceiverExists(type, msg); |
+ } else { |
+ invoker_.AsyncInvokeDelayed<void>( |
+ RTC_FROM_HERE, rtc::Thread::Current(), |
+ rtc::Bind(&PeerConnectionWrapper::RelaySdpMessageIfReceiverExists, |
+ this, type, msg), |
+ signaling_delay_ms_); |
+ } |
+ } |
+ |
+ void RelaySdpMessageIfReceiverExists(const std::string& type, |
+ const std::string& msg) { |
+ if (signaling_message_receiver_) { |
+ signaling_message_receiver_->ReceiveSdpMessage(type, msg); |
+ } |
+ } |
+ |
+ // Simulate trickling an ICE candidate with delay |signaling_delay_ms_| (0 by |
+ // default). |
+ void SendIceMessage(const std::string& sdp_mid, |
+ int sdp_mline_index, |
+ const std::string& msg) { |
+ if (signaling_delay_ms_ == 0) { |
+ RelayIceMessageIfReceiverExists(sdp_mid, sdp_mline_index, msg); |
+ } else { |
+ invoker_.AsyncInvokeDelayed<void>( |
+ RTC_FROM_HERE, rtc::Thread::Current(), |
+ rtc::Bind(&PeerConnectionWrapper::RelayIceMessageIfReceiverExists, |
+ this, sdp_mid, sdp_mline_index, msg), |
+ signaling_delay_ms_); |
+ } |
+ } |
+ |
+ void RelayIceMessageIfReceiverExists(const std::string& sdp_mid, |
+ int sdp_mline_index, |
+ const std::string& msg) { |
+ if (signaling_message_receiver_) { |
+ signaling_message_receiver_->ReceiveIceMessage(sdp_mid, sdp_mline_index, |
+ msg); |
+ } |
+ } |
+ |
+ // SignalingMessageReceiver callbacks. |
+ void ReceiveSdpMessage(const std::string& type, |
+ const std::string& msg) override { |
+ if (type == webrtc::SessionDescriptionInterface::kOffer) { |
+ HandleIncomingOffer(msg); |
+ } else { |
+ HandleIncomingAnswer(msg); |
+ } |
+ } |
+ |
+ void ReceiveIceMessage(const std::string& sdp_mid, |
+ int sdp_mline_index, |
+ const std::string& msg) override { |
+ LOG(LS_INFO) << debug_name_ << ": ReceiveIceMessage"; |
+ std::unique_ptr<webrtc::IceCandidateInterface> candidate( |
+ webrtc::CreateIceCandidate(sdp_mid, sdp_mline_index, msg, nullptr)); |
+ EXPECT_TRUE(pc()->AddIceCandidate(candidate.get())); |
+ } |
+ |
+ // PeerConnectionObserver callbacks. |
+ void OnSignalingChange( |
+ webrtc::PeerConnectionInterface::SignalingState new_state) override { |
+ EXPECT_EQ(pc()->signaling_state(), new_state); |
+ } |
+ void OnAddStream( |
+ rtc::scoped_refptr<MediaStreamInterface> media_stream) override { |
+ media_stream->RegisterObserver(this); |
+ for (size_t i = 0; i < media_stream->GetVideoTracks().size(); ++i) { |
+ const std::string id = media_stream->GetVideoTracks()[i]->id(); |
+ ASSERT_TRUE(fake_video_renderers_.find(id) == |
+ fake_video_renderers_.end()); |
+ fake_video_renderers_[id].reset(new webrtc::FakeVideoTrackRenderer( |
+ media_stream->GetVideoTracks()[i])); |
+ } |
+ } |
+ void OnRemoveStream( |
+ rtc::scoped_refptr<MediaStreamInterface> media_stream) override {} |
+ void OnRenegotiationNeeded() override {} |
+ void OnIceConnectionChange( |
+ webrtc::PeerConnectionInterface::IceConnectionState new_state) override { |
+ EXPECT_EQ(pc()->ice_connection_state(), new_state); |
+ } |
+ void OnIceGatheringChange( |
+ webrtc::PeerConnectionInterface::IceGatheringState new_state) override { |
+ if (new_state == PeerConnectionInterface::kIceGatheringGathering) { |
+ ++transitions_to_gathering_state_; |
+ } |
+ EXPECT_EQ(pc()->ice_gathering_state(), new_state); |
+ } |
+ void OnIceCandidate(const webrtc::IceCandidateInterface* candidate) override { |
+ LOG(LS_INFO) << debug_name_ << ": OnIceCandidate"; |
+ |
+ std::string ice_sdp; |
+ EXPECT_TRUE(candidate->ToString(&ice_sdp)); |
+ if (signaling_message_receiver_ == nullptr) { |
+ // Remote party may be deleted. |
+ return; |
+ } |
+ SendIceMessage(candidate->sdp_mid(), candidate->sdp_mline_index(), ice_sdp); |
+ } |
+ void OnDataChannel( |
+ rtc::scoped_refptr<DataChannelInterface> data_channel) override { |
+ LOG(LS_INFO) << debug_name_ << ": OnDataChannel"; |
+ data_channel_ = data_channel; |
+ data_observer_.reset(new MockDataChannelObserver(data_channel)); |
+ } |
+ |
+ // MediaStreamInterface callback |
+ void OnChanged() override { |
+ // Track added or removed from MediaStream, so update our renderers. |
+ rtc::scoped_refptr<StreamCollectionInterface> remote_streams = |
+ pc()->remote_streams(); |
+ // Remove renderers for tracks that were removed. |
+ for (auto it = fake_video_renderers_.begin(); |
+ it != fake_video_renderers_.end();) { |
+ if (remote_streams->FindVideoTrack(it->first) == nullptr) { |
+ auto to_remove = it++; |
+ removed_fake_video_renderers_.push_back(std::move(to_remove->second)); |
+ fake_video_renderers_.erase(to_remove); |
+ } else { |
+ ++it; |
+ } |
+ } |
+ // Create renderers for new video tracks. |
+ for (size_t stream_index = 0; stream_index < remote_streams->count(); |
+ ++stream_index) { |
+ MediaStreamInterface* remote_stream = remote_streams->at(stream_index); |
+ for (size_t track_index = 0; |
+ track_index < remote_stream->GetVideoTracks().size(); |
+ ++track_index) { |
+ const std::string id = |
+ remote_stream->GetVideoTracks()[track_index]->id(); |
+ if (fake_video_renderers_.find(id) != fake_video_renderers_.end()) { |
+ continue; |
+ } |
+ fake_video_renderers_[id].reset(new webrtc::FakeVideoTrackRenderer( |
+ remote_stream->GetVideoTracks()[track_index])); |
+ } |
+ } |
+ } |
+ |
+ std::string debug_name_; |
+ |
+ std::unique_ptr<rtc::FakeNetworkManager> fake_network_manager_; |
+ |
+ rtc::scoped_refptr<webrtc::PeerConnectionInterface> peer_connection_; |
+ rtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> |
+ peer_connection_factory_; |
+ |
+ // Needed to keep track of number of frames sent. |
+ rtc::scoped_refptr<FakeAudioCaptureModule> fake_audio_capture_module_; |
+ // Needed to keep track of number of frames received. |
+ std::map<std::string, std::unique_ptr<webrtc::FakeVideoTrackRenderer>> |
+ fake_video_renderers_; |
+ // Needed to ensure frames aren't received for removed tracks. |
+ std::vector<std::unique_ptr<webrtc::FakeVideoTrackRenderer>> |
+ removed_fake_video_renderers_; |
+ // Needed to keep track of number of frames received when external decoder |
+ // used. |
+ FakeWebRtcVideoDecoderFactory* fake_video_decoder_factory_ = nullptr; |
+ FakeWebRtcVideoEncoderFactory* fake_video_encoder_factory_ = nullptr; |
+ bool video_decoder_factory_enabled_ = false; |
+ |
+ // For remote peer communication. |
+ SignalingMessageReceiver* signaling_message_receiver_ = nullptr; |
+ int signaling_delay_ms_ = 0; |
+ |
+ // Store references to the video capturers we've created, so that we can stop |
+ // them, if required. |
+ std::vector<cricket::FakeVideoCapturer*> video_capturers_; |
+ // |local_video_renderer_| attached to the first created local video track. |
+ std::unique_ptr<webrtc::FakeVideoTrackRenderer> local_video_renderer_; |
+ |
+ PeerConnectionInterface::RTCOfferAnswerOptions offer_answer_options_; |
+ std::function<void(cricket::SessionDescription*)> received_sdp_munger_; |
+ std::function<void(cricket::SessionDescription*)> generated_sdp_munger_; |
+ |
+ rtc::scoped_refptr<DataChannelInterface> data_channel_; |
+ std::unique_ptr<MockDataChannelObserver> data_observer_; |
+ |
+ std::vector<std::unique_ptr<MockRtpReceiverObserver>> rtp_receiver_observers_; |
+ |
+ int transitions_to_gathering_state_ = 0; |
+ |
+ rtc::AsyncInvoker invoker_; |
+ |
+ friend class PeerConnectionIntegrationTest; |
+}; |
+ |
+// Tests two PeerConnections connecting to each other end-to-end, using a |
+// virtual network, fake A/V capture and fake encoder/decoders. The |
+// PeerConnections share the threads/socket servers, but use separate versions |
+// of everything else (including "PeerConnectionFactory"s). |
+class PeerConnectionIntegrationTest : public testing::Test { |
+ public: |
+ PeerConnectionIntegrationTest() |
+ : pss_(new rtc::PhysicalSocketServer), |
+ ss_(new rtc::VirtualSocketServer(pss_.get())), |
+ network_thread_(new rtc::Thread(ss_.get())), |
+ worker_thread_(rtc::Thread::Create()) { |
+ RTC_CHECK(network_thread_->Start()); |
+ RTC_CHECK(worker_thread_->Start()); |
+ } |
+ |
+ ~PeerConnectionIntegrationTest() { |
+ if (caller_) { |
+ caller_->set_signaling_message_receiver(nullptr); |
+ } |
+ if (callee_) { |
+ callee_->set_signaling_message_receiver(nullptr); |
+ } |
+ } |
+ |
+ bool SignalingStateStable() { |
+ return caller_->SignalingStateStable() && callee_->SignalingStateStable(); |
+ } |
+ |
+ bool CreatePeerConnectionWrappers() { |
+ return CreatePeerConnectionWrappersWithConfig( |
+ PeerConnectionInterface::RTCConfiguration(), |
+ PeerConnectionInterface::RTCConfiguration()); |
+ } |
+ |
+ bool CreatePeerConnectionWrappersWithConstraints( |
+ MediaConstraintsInterface* caller_constraints, |
+ MediaConstraintsInterface* callee_constraints) { |
+ caller_.reset(PeerConnectionWrapper::CreateWithConstraints( |
+ "Caller", caller_constraints, network_thread_.get(), |
+ worker_thread_.get())); |
+ callee_.reset(PeerConnectionWrapper::CreateWithConstraints( |
+ "Callee", callee_constraints, network_thread_.get(), |
+ worker_thread_.get())); |
+ return caller_ && callee_; |
+ } |
+ |
+ bool CreatePeerConnectionWrappersWithConfig( |
+ const PeerConnectionInterface::RTCConfiguration& caller_config, |
+ const PeerConnectionInterface::RTCConfiguration& callee_config) { |
+ caller_.reset(PeerConnectionWrapper::CreateWithConfig( |
+ "Caller", caller_config, network_thread_.get(), worker_thread_.get())); |
+ callee_.reset(PeerConnectionWrapper::CreateWithConfig( |
+ "Callee", callee_config, network_thread_.get(), worker_thread_.get())); |
+ return caller_ && callee_; |
+ } |
+ |
+ bool CreatePeerConnectionWrappersWithOptions( |
+ const PeerConnectionFactory::Options& caller_options, |
+ const PeerConnectionFactory::Options& callee_options) { |
+ caller_.reset(PeerConnectionWrapper::CreateWithOptions( |
+ "Caller", caller_options, network_thread_.get(), worker_thread_.get())); |
+ callee_.reset(PeerConnectionWrapper::CreateWithOptions( |
+ "Callee", callee_options, network_thread_.get(), worker_thread_.get())); |
+ return caller_ && callee_; |
+ } |
+ |
+ PeerConnectionWrapper* CreatePeerConnectionWrapperWithAlternateKey() { |
+ std::unique_ptr<FakeRTCCertificateGenerator> cert_generator( |
+ new FakeRTCCertificateGenerator()); |
+ cert_generator->use_alternate_key(); |
+ |
+ // Make sure the new client is using a different certificate. |
+ return PeerConnectionWrapper::CreateWithDtlsIdentityStore( |
+ "New Peer", std::move(cert_generator), network_thread_.get(), |
+ worker_thread_.get()); |
+ } |
+ |
+ // Once called, SDP blobs and ICE candidates will be automatically signaled |
+ // between PeerConnections. |
+ void ConnectFakeSignaling() { |
+ caller_->set_signaling_message_receiver(callee_.get()); |
+ callee_->set_signaling_message_receiver(caller_.get()); |
+ } |
+ |
+ void SetSignalingDelayMs(int delay_ms) { |
+ caller_->set_signaling_delay_ms(delay_ms); |
+ callee_->set_signaling_delay_ms(delay_ms); |
+ } |
+ |
+ void EnableVideoDecoderFactory() { |
+ caller_->EnableVideoDecoderFactory(); |
+ callee_->EnableVideoDecoderFactory(); |
+ } |
+ |
+ // Messages may get lost on the unreliable DataChannel, so we send multiple |
+ // times to avoid test flakiness. |
+ void SendRtpDataWithRetries(webrtc::DataChannelInterface* dc, |
+ const std::string& data, |
+ int retries) { |
+ for (int i = 0; i < retries; ++i) { |
+ dc->Send(DataBuffer(data)); |
+ } |
+ } |
+ |
+ rtc::Thread* network_thread() { return network_thread_.get(); } |
+ |
+ rtc::VirtualSocketServer* virtual_socket_server() { return ss_.get(); } |
+ |
+ PeerConnectionWrapper* caller() { return caller_.get(); } |
+ |
+ // Set the |caller_| to the |wrapper| passed in and return the |
+ // original |caller_|. |
+ PeerConnectionWrapper* SetCallerPcWrapperAndReturnCurrent( |
+ PeerConnectionWrapper* wrapper) { |
+ PeerConnectionWrapper* old = caller_.release(); |
+ caller_.reset(wrapper); |
+ return old; |
+ } |
+ |
+ PeerConnectionWrapper* callee() { return callee_.get(); } |
+ |
+ // Set the |callee_| to the |wrapper| passed in and return the |
+ // original |callee_|. |
+ PeerConnectionWrapper* SetCalleePcWrapperAndReturnCurrent( |
+ PeerConnectionWrapper* wrapper) { |
+ PeerConnectionWrapper* old = callee_.release(); |
+ callee_.reset(wrapper); |
+ return old; |
+ } |
+ |
+ // Expects the provided number of new frames to be received within |wait_ms|. |
+ // "New frames" meaning that it waits for the current frame counts to |
+ // *increase* by the provided values. For video, uses |
+ // RecievedVideoFramesForEachTrack for the case of multiple video tracks |
+ // being received. |
+ void ExpectNewFramesReceivedWithWait( |
+ int expected_caller_received_audio_frames, |
+ int expected_caller_received_video_frames, |
+ int expected_callee_received_audio_frames, |
+ int expected_callee_received_video_frames, |
+ int wait_ms) { |
+ // Add current frame counts to the provided values, in order to wait for |
+ // the frame count to increase. |
+ expected_caller_received_audio_frames += caller()->audio_frames_received(); |
+ expected_caller_received_video_frames += |
+ caller()->min_video_frames_received_per_track(); |
+ expected_callee_received_audio_frames += callee()->audio_frames_received(); |
+ expected_callee_received_video_frames += |
+ callee()->min_video_frames_received_per_track(); |
+ |
+ EXPECT_TRUE_WAIT(caller()->audio_frames_received() >= |
+ expected_caller_received_audio_frames && |
+ caller()->min_video_frames_received_per_track() >= |
+ expected_caller_received_video_frames && |
+ callee()->audio_frames_received() >= |
+ expected_callee_received_audio_frames && |
+ callee()->min_video_frames_received_per_track() >= |
+ expected_callee_received_video_frames, |
+ wait_ms); |
+ |
+ // After the combined wait, do an "expect" for each individual count, to |
+ // print out a more detailed message upon failure. |
+ EXPECT_GE(caller()->audio_frames_received(), |
+ expected_caller_received_audio_frames); |
+ EXPECT_GE(caller()->min_video_frames_received_per_track(), |
+ expected_caller_received_video_frames); |
+ EXPECT_GE(callee()->audio_frames_received(), |
+ expected_callee_received_audio_frames); |
+ EXPECT_GE(callee()->min_video_frames_received_per_track(), |
+ expected_callee_received_video_frames); |
+ } |
+ |
+ void TestGcmNegotiationUsesCipherSuite(bool local_gcm_enabled, |
+ bool remote_gcm_enabled, |
+ int expected_cipher_suite) { |
+ PeerConnectionFactory::Options caller_options; |
+ caller_options.crypto_options.enable_gcm_crypto_suites = local_gcm_enabled; |
+ PeerConnectionFactory::Options callee_options; |
+ callee_options.crypto_options.enable_gcm_crypto_suites = remote_gcm_enabled; |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithOptions(caller_options, |
+ callee_options)); |
+ rtc::scoped_refptr<webrtc::FakeMetricsObserver> caller_observer = |
+ new rtc::RefCountedObject<webrtc::FakeMetricsObserver>(); |
+ caller()->pc()->RegisterUMAObserver(caller_observer); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ EXPECT_EQ_WAIT(rtc::SrtpCryptoSuiteToName(expected_cipher_suite), |
+ caller()->GetStats()->SrtpCipher(), kDefaultTimeout); |
+ EXPECT_EQ( |
+ 1, caller_observer->GetEnumCounter(webrtc::kEnumCounterAudioSrtpCipher, |
+ expected_cipher_suite)); |
+ caller()->pc()->RegisterUMAObserver(nullptr); |
+ } |
+ |
+ private: |
+ // |ss_| is used by |network_thread_| so it must be destroyed later. |
+ std::unique_ptr<rtc::PhysicalSocketServer> pss_; |
+ std::unique_ptr<rtc::VirtualSocketServer> ss_; |
+ // |network_thread_| and |worker_thread_| are used by both |
+ // |caller_| and |callee_| so they must be destroyed |
+ // later. |
+ std::unique_ptr<rtc::Thread> network_thread_; |
+ std::unique_ptr<rtc::Thread> worker_thread_; |
+ std::unique_ptr<PeerConnectionWrapper> caller_; |
+ std::unique_ptr<PeerConnectionWrapper> callee_; |
+}; |
+ |
+// Test the OnFirstPacketReceived callback from audio/video RtpReceivers. This |
+// includes testing that the callback is invoked if an observer is connected |
+// after the first packet has already been received. |
+TEST_F(PeerConnectionIntegrationTest, |
+ RtpReceiverObserverOnFirstPacketReceived) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ // Start offer/answer exchange and wait for it to complete. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Should be one receiver each for audio/video. |
+ EXPECT_EQ(2, caller()->rtp_receiver_observers().size()); |
+ EXPECT_EQ(2, callee()->rtp_receiver_observers().size()); |
+ // Wait for all "first packet received" callbacks to be fired. |
+ EXPECT_TRUE_WAIT( |
+ std::all_of(caller()->rtp_receiver_observers().begin(), |
+ caller()->rtp_receiver_observers().end(), |
+ [](const std::unique_ptr<MockRtpReceiverObserver>& o) { |
+ return o->first_packet_received(); |
+ }), |
+ kMaxWaitForFramesMs); |
+ EXPECT_TRUE_WAIT( |
+ std::all_of(callee()->rtp_receiver_observers().begin(), |
+ callee()->rtp_receiver_observers().end(), |
+ [](const std::unique_ptr<MockRtpReceiverObserver>& o) { |
+ return o->first_packet_received(); |
+ }), |
+ kMaxWaitForFramesMs); |
+ // If new observers are set after the first packet was already received, the |
+ // callback should still be invoked. |
+ caller()->ResetRtpReceiverObservers(); |
+ callee()->ResetRtpReceiverObservers(); |
+ EXPECT_EQ(2, caller()->rtp_receiver_observers().size()); |
+ EXPECT_EQ(2, callee()->rtp_receiver_observers().size()); |
+ EXPECT_TRUE( |
+ std::all_of(caller()->rtp_receiver_observers().begin(), |
+ caller()->rtp_receiver_observers().end(), |
+ [](const std::unique_ptr<MockRtpReceiverObserver>& o) { |
+ return o->first_packet_received(); |
+ })); |
+ EXPECT_TRUE( |
+ std::all_of(callee()->rtp_receiver_observers().begin(), |
+ callee()->rtp_receiver_observers().end(), |
+ [](const std::unique_ptr<MockRtpReceiverObserver>& o) { |
+ return o->first_packet_received(); |
+ })); |
+} |
+ |
+class DummyDtmfObserver : public DtmfSenderObserverInterface { |
+ public: |
+ DummyDtmfObserver() : completed_(false) {} |
+ |
+ // Implements DtmfSenderObserverInterface. |
+ void OnToneChange(const std::string& tone) override { |
+ tones_.push_back(tone); |
+ if (tone.empty()) { |
+ completed_ = true; |
+ } |
+ } |
+ |
+ const std::vector<std::string>& tones() const { return tones_; } |
+ bool completed() const { return completed_; } |
+ |
+ private: |
+ bool completed_; |
+ std::vector<std::string> tones_; |
+}; |
+ |
+// Assumes |sender| already has an audio track added and the offer/answer |
+// exchange is done. |
+void TestDtmfFromSenderToReceiver(PeerConnectionWrapper* sender, |
+ PeerConnectionWrapper* receiver) { |
+ DummyDtmfObserver observer; |
+ rtc::scoped_refptr<DtmfSenderInterface> dtmf_sender; |
+ |
+ // We should be able to create a DTMF sender from a local track. |
+ webrtc::AudioTrackInterface* localtrack = |
+ sender->local_streams()->at(0)->GetAudioTracks()[0]; |
+ dtmf_sender = sender->pc()->CreateDtmfSender(localtrack); |
+ ASSERT_NE(nullptr, dtmf_sender.get()); |
+ dtmf_sender->RegisterObserver(&observer); |
+ |
+ // Test the DtmfSender object just created. |
+ EXPECT_TRUE(dtmf_sender->CanInsertDtmf()); |
+ EXPECT_TRUE(dtmf_sender->InsertDtmf("1a", 100, 50)); |
+ |
+ EXPECT_TRUE_WAIT(observer.completed(), kDefaultTimeout); |
+ std::vector<std::string> tones = {"1", "a", ""}; |
+ EXPECT_EQ(tones, observer.tones()); |
+ dtmf_sender->UnregisterObserver(); |
+ // TODO(deadbeef): Verify the tones were actually received end-to-end. |
+} |
+ |
+// Verifies the DtmfSenderObserver callbacks for a DtmfSender (one in each |
+// direction). |
+TEST_F(PeerConnectionIntegrationTest, DtmfSenderObserver) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Only need audio for DTMF. |
+ caller()->AddAudioOnlyMediaStream(); |
+ callee()->AddAudioOnlyMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ TestDtmfFromSenderToReceiver(caller(), callee()); |
+ TestDtmfFromSenderToReceiver(callee(), caller()); |
+} |
+ |
+// Basic end-to-end test, verifying media can be encoded/transmitted/decoded |
+// between two connections, using DTLS-SRTP. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithDtls) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Do normal offer/answer and wait for some frames to be received in each |
+ // direction. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Uses SDES instead of DTLS for key agreement. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithSdes) { |
+ PeerConnectionInterface::RTCConfiguration sdes_config; |
+ sdes_config.enable_dtls_srtp.emplace(false); |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithConfig(sdes_config, sdes_config)); |
+ ConnectFakeSignaling(); |
+ |
+ // Do normal offer/answer and wait for some frames to be received in each |
+ // direction. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test sets up a call between two parties (using DTLS) and tests that we |
+// can get a video aspect ratio of 16:9. |
+TEST_F(PeerConnectionIntegrationTest, SendAndReceive16To9AspectRatio) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ |
+ // Add video tracks with 16:9 constraint. |
+ FakeConstraints constraints; |
+ double requested_ratio = 16.0 / 9; |
+ constraints.SetMandatoryMinAspectRatio(requested_ratio); |
+ caller()->AddMediaStreamFromTracks( |
+ nullptr, caller()->CreateLocalVideoTrackWithConstraints(constraints)); |
+ callee()->AddMediaStreamFromTracks( |
+ nullptr, callee()->CreateLocalVideoTrackWithConstraints(constraints)); |
+ |
+ // Do normal offer/answer and wait for at least one frame to be received in |
+ // each direction. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(caller()->min_video_frames_received_per_track() > 0 && |
+ callee()->min_video_frames_received_per_track() > 0, |
+ kMaxWaitForFramesMs); |
+ |
+ // Check rendered aspect ratio. |
+ EXPECT_EQ(requested_ratio, caller()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(requested_ratio, caller()->rendered_aspect_ratio()); |
+ EXPECT_EQ(requested_ratio, callee()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(requested_ratio, callee()->rendered_aspect_ratio()); |
+} |
+ |
+// This test sets up a call between two parties with a source resolution of |
+// 1280x720 and verifies that a 16:9 aspect ratio is received. |
+TEST_F(PeerConnectionIntegrationTest, |
+ Send1280By720ResolutionAndReceive16To9AspectRatio) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ |
+ // Similar to above test, but uses MandatoryMin[Width/Height] constraint |
+ // instead of aspect ratio constraint. |
+ FakeConstraints constraints; |
+ constraints.SetMandatoryMinWidth(1280); |
+ constraints.SetMandatoryMinHeight(720); |
+ caller()->AddMediaStreamFromTracks( |
+ nullptr, caller()->CreateLocalVideoTrackWithConstraints(constraints)); |
+ callee()->AddMediaStreamFromTracks( |
+ nullptr, callee()->CreateLocalVideoTrackWithConstraints(constraints)); |
+ |
+ // Do normal offer/answer and wait for at least one frame to be received in |
+ // each direction. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(caller()->min_video_frames_received_per_track() > 0 && |
+ callee()->min_video_frames_received_per_track() > 0, |
+ kMaxWaitForFramesMs); |
+ |
+ // Check rendered aspect ratio. |
+ EXPECT_EQ(16.0 / 9, caller()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(16.0 / 9, caller()->rendered_aspect_ratio()); |
+ EXPECT_EQ(16.0 / 9, callee()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(16.0 / 9, callee()->rendered_aspect_ratio()); |
+} |
+ |
+// This test sets up an one-way call, with media only from caller to |
+// callee. |
+TEST_F(PeerConnectionIntegrationTest, OneWayMediaCall) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ int caller_received_frames = 0; |
+ ExpectNewFramesReceivedWithWait( |
+ caller_received_frames, caller_received_frames, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test sets up a audio call initially, with the callee rejecting video |
+// initially. Then later the callee decides to upgrade to audio/video, and |
+// initiates a new offer/answer exchange. |
+TEST_F(PeerConnectionIntegrationTest, AudioToVideoUpgrade) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Initially, offer an audio/video stream from the caller, but refuse to |
+ // send/receive video on the callee side. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddMediaStreamFromTracks(callee()->CreateLocalAudioTrack(), |
+ nullptr); |
+ PeerConnectionInterface::RTCOfferAnswerOptions options; |
+ options.offer_to_receive_video = 0; |
+ callee()->SetOfferAnswerOptions(options); |
+ // Do offer/answer and make sure audio is still received end-to-end. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait(kDefaultExpectedAudioFrameCount, 0, |
+ kDefaultExpectedAudioFrameCount, 0, |
+ kMaxWaitForFramesMs); |
+ // Sanity check that the callee's description has a rejected video section. |
+ ASSERT_NE(nullptr, callee()->pc()->local_description()); |
+ const ContentInfo* callee_video_content = |
+ GetFirstVideoContent(callee()->pc()->local_description()->description()); |
+ ASSERT_NE(nullptr, callee_video_content); |
+ EXPECT_TRUE(callee_video_content->rejected); |
+ // Now negotiate with video and ensure negotiation succeeds, with video |
+ // frames and additional audio frames being received. |
+ callee()->AddMediaStreamFromTracksWithLabel( |
+ nullptr, callee()->CreateLocalVideoTrack(), "video_only_stream"); |
+ options.offer_to_receive_video = 1; |
+ callee()->SetOfferAnswerOptions(options); |
+ callee()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Expect additional audio frames to be received after the upgrade. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test sets up a call that's transferred to a new caller with a different |
+// DTLS fingerprint. |
+TEST_F(PeerConnectionIntegrationTest, CallTransferredForCallee) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ |
+ // Keep the original peer around which will still send packets to the |
+ // receiving client. These SRTP packets will be dropped. |
+ std::unique_ptr<PeerConnectionWrapper> original_peer( |
+ SetCallerPcWrapperAndReturnCurrent( |
+ CreatePeerConnectionWrapperWithAlternateKey())); |
+ // TODO(deadbeef): Why do we call Close here? That goes against the comment |
+ // directly above. |
+ original_peer->pc()->Close(); |
+ |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Wait for some additional frames to be transmitted end-to-end. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test sets up a call that's transferred to a new callee with a different |
+// DTLS fingerprint. |
+TEST_F(PeerConnectionIntegrationTest, CallTransferredForCaller) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ |
+ // Keep the original peer around which will still send packets to the |
+ // receiving client. These SRTP packets will be dropped. |
+ std::unique_ptr<PeerConnectionWrapper> original_peer( |
+ SetCalleePcWrapperAndReturnCurrent( |
+ CreatePeerConnectionWrapperWithAlternateKey())); |
+ // TODO(deadbeef): Why do we call Close here? That goes against the comment |
+ // directly above. |
+ original_peer->pc()->Close(); |
+ |
+ ConnectFakeSignaling(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->SetOfferAnswerOptions(IceRestartOfferAnswerOptions()); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Wait for some additional frames to be transmitted end-to-end. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test sets up a non-bundled call and negotiates bundling at the same |
+// time as starting an ICE restart. When bundling is in effect in the restart, |
+// the DTLS-SRTP context should be successfully reset. |
+TEST_F(PeerConnectionIntegrationTest, BundlingEnabledWhileIceRestartOccurs) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ // Remove the bundle group from the SDP received by the callee. |
+ callee()->SetReceivedSdpMunger([](cricket::SessionDescription* desc) { |
+ desc->RemoveGroupByName("BUNDLE"); |
+ }); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+ |
+ // Now stop removing the BUNDLE group, and trigger an ICE restart. |
+ callee()->SetReceivedSdpMunger(nullptr); |
+ caller()->SetOfferAnswerOptions(IceRestartOfferAnswerOptions()); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ |
+ // Expect additional frames to be received after the ICE restart. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Test CVO (Coordination of Video Orientation). If a video source is rotated |
+// and both peers support the CVO RTP header extension, the actual video frames |
+// don't need to be encoded in different resolutions, since the rotation is |
+// communicated through the RTP header extension. |
+TEST_F(PeerConnectionIntegrationTest, RotatedVideoWithCVOExtension) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Add rotated video tracks. |
+ caller()->AddMediaStreamFromTracks( |
+ nullptr, |
+ caller()->CreateLocalVideoTrackWithRotation(webrtc::kVideoRotation_90)); |
+ callee()->AddMediaStreamFromTracks( |
+ nullptr, |
+ callee()->CreateLocalVideoTrackWithRotation(webrtc::kVideoRotation_270)); |
+ |
+ // Wait for video frames to be received by both sides. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ASSERT_TRUE_WAIT(caller()->min_video_frames_received_per_track() > 0 && |
+ callee()->min_video_frames_received_per_track() > 0, |
+ kMaxWaitForFramesMs); |
+ |
+ // Ensure that the aspect ratio is unmodified. |
+ // TODO(deadbeef): Where does 4:3 come from? Should be explicit in the test, |
+ // not just assumed. |
+ EXPECT_EQ(4.0 / 3, caller()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(4.0 / 3, caller()->rendered_aspect_ratio()); |
+ EXPECT_EQ(4.0 / 3, callee()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(4.0 / 3, callee()->rendered_aspect_ratio()); |
+ // Ensure that the CVO bits were surfaced to the renderer. |
+ EXPECT_EQ(webrtc::kVideoRotation_270, caller()->rendered_rotation()); |
+ EXPECT_EQ(webrtc::kVideoRotation_90, callee()->rendered_rotation()); |
+} |
+ |
+// Test that when the CVO extension isn't supported, video is rotated the |
+// old-fashioned way, by encoding rotated frames. |
+TEST_F(PeerConnectionIntegrationTest, RotatedVideoWithoutCVOExtension) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Add rotated video tracks. |
+ caller()->AddMediaStreamFromTracks( |
+ nullptr, |
+ caller()->CreateLocalVideoTrackWithRotation(webrtc::kVideoRotation_90)); |
+ callee()->AddMediaStreamFromTracks( |
+ nullptr, |
+ callee()->CreateLocalVideoTrackWithRotation(webrtc::kVideoRotation_270)); |
+ |
+ // Remove the CVO extension from the offered SDP. |
+ callee()->SetReceivedSdpMunger([](cricket::SessionDescription* desc) { |
+ cricket::VideoContentDescription* video = |
+ GetFirstVideoContentDescription(desc); |
+ video->ClearRtpHeaderExtensions(); |
+ }); |
+ // Wait for video frames to be received by both sides. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ASSERT_TRUE_WAIT(caller()->min_video_frames_received_per_track() > 0 && |
+ callee()->min_video_frames_received_per_track() > 0, |
+ kMaxWaitForFramesMs); |
+ |
+ // Expect that the aspect ratio is inversed to account for the 90/270 degree |
+ // rotation. |
+ // TODO(deadbeef): Where does 4:3 come from? Should be explicit in the test, |
+ // not just assumed. |
+ EXPECT_EQ(3.0 / 4, caller()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(3.0 / 4, caller()->rendered_aspect_ratio()); |
+ EXPECT_EQ(3.0 / 4, callee()->local_rendered_aspect_ratio()); |
+ EXPECT_EQ(3.0 / 4, callee()->rendered_aspect_ratio()); |
+ // Expect that each endpoint is unaware of the rotation of the other endpoint. |
+ EXPECT_EQ(webrtc::kVideoRotation_0, caller()->rendered_rotation()); |
+ EXPECT_EQ(webrtc::kVideoRotation_0, callee()->rendered_rotation()); |
+} |
+ |
+// TODO(deadbeef): The tests below rely on RTCOfferAnswerOptions to reject an |
+// m= section. When we implement Unified Plan SDP, the right way to do this |
+// would be by stopping an RtpTransceiver. |
+ |
+// Test that if the answerer rejects the audio m= section, no audio is sent or |
+// received, but video still can be. |
+TEST_F(PeerConnectionIntegrationTest, AnswererRejectsAudioSection) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ // Only add video track for callee, and set offer_to_receive_audio to 0, so |
+ // it will reject the audio m= section completely. |
+ PeerConnectionInterface::RTCOfferAnswerOptions options; |
+ options.offer_to_receive_audio = 0; |
+ callee()->SetOfferAnswerOptions(options); |
+ callee()->AddMediaStreamFromTracks(nullptr, |
+ callee()->CreateLocalVideoTrack()); |
+ // Do offer/answer and wait for successful end-to-end video frames. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait(0, kDefaultExpectedVideoFrameCount, 0, |
+ kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+ // Shouldn't have received audio frames at any point. |
+ EXPECT_EQ(0, caller()->audio_frames_received()); |
+ EXPECT_EQ(0, callee()->audio_frames_received()); |
+ // Sanity check that the callee's description has a rejected audio section. |
+ ASSERT_NE(nullptr, callee()->pc()->local_description()); |
+ const ContentInfo* callee_audio_content = |
+ GetFirstAudioContent(callee()->pc()->local_description()->description()); |
+ ASSERT_NE(nullptr, callee_audio_content); |
+ EXPECT_TRUE(callee_audio_content->rejected); |
+} |
+ |
+// Test that if the answerer rejects the video m= section, no video is sent or |
+// received, but audio still can be. |
+TEST_F(PeerConnectionIntegrationTest, AnswererRejectsVideoSection) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ // Only add audio track for callee, and set offer_to_receive_video to 0, so |
+ // it will reject the video m= section completely. |
+ PeerConnectionInterface::RTCOfferAnswerOptions options; |
+ options.offer_to_receive_video = 0; |
+ callee()->SetOfferAnswerOptions(options); |
+ callee()->AddMediaStreamFromTracks(callee()->CreateLocalAudioTrack(), |
+ nullptr); |
+ // Do offer/answer and wait for successful end-to-end audio frames. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait(kDefaultExpectedAudioFrameCount, 0, |
+ kDefaultExpectedAudioFrameCount, 0, |
+ kMaxWaitForFramesMs); |
+ // Shouldn't have received video frames at any point. |
+ EXPECT_EQ(0, caller()->total_video_frames_received()); |
+ EXPECT_EQ(0, callee()->total_video_frames_received()); |
+ // Sanity check that the callee's description has a rejected video section. |
+ ASSERT_NE(nullptr, callee()->pc()->local_description()); |
+ const ContentInfo* callee_video_content = |
+ GetFirstVideoContent(callee()->pc()->local_description()->description()); |
+ ASSERT_NE(nullptr, callee_video_content); |
+ EXPECT_TRUE(callee_video_content->rejected); |
+} |
+ |
+// Test that if the answerer rejects both audio and video m= sections, nothing |
+// bad happens. |
+// TODO(deadbeef): Test that a data channel still works. Currently this doesn't |
+// test anything but the fact that negotiation succeeds, which doesn't mean |
+// much. |
+TEST_F(PeerConnectionIntegrationTest, AnswererRejectsAudioAndVideoSections) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ // Don't give the callee any tracks, and set offer_to_receive_X to 0, so it |
+ // will reject both audio and video m= sections. |
+ PeerConnectionInterface::RTCOfferAnswerOptions options; |
+ options.offer_to_receive_audio = 0; |
+ options.offer_to_receive_video = 0; |
+ callee()->SetOfferAnswerOptions(options); |
+ // Do offer/answer and wait for stable signaling state. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Sanity check that the callee's description has rejected m= sections. |
+ ASSERT_NE(nullptr, callee()->pc()->local_description()); |
+ const ContentInfo* callee_audio_content = |
+ GetFirstAudioContent(callee()->pc()->local_description()->description()); |
+ ASSERT_NE(nullptr, callee_audio_content); |
+ EXPECT_TRUE(callee_audio_content->rejected); |
+ const ContentInfo* callee_video_content = |
+ GetFirstVideoContent(callee()->pc()->local_description()->description()); |
+ ASSERT_NE(nullptr, callee_video_content); |
+ EXPECT_TRUE(callee_video_content->rejected); |
+} |
+ |
+// This test sets up an audio and video call between two parties. After the |
+// call runs for a while, the caller sends an updated offer with video being |
+// rejected. Once the re-negotiation is done, the video flow should stop and |
+// the audio flow should continue. |
+TEST_F(PeerConnectionIntegrationTest, VideoRejectedInSubsequentOffer) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+ |
+ // Renegotiate, rejecting the video m= section. |
+ // TODO(deadbeef): When an RtpTransceiver API is available, use that to |
+ // reject the video m= section. |
+ caller()->SetGeneratedSdpMunger([](cricket::SessionDescription* description) { |
+ for (cricket::ContentInfo& content : description->contents()) { |
+ if (cricket::IsVideoContent(&content)) { |
+ content.rejected = true; |
+ } |
+ } |
+ }); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kMaxWaitForActivationMs); |
+ |
+ // Sanity check that the caller's description has a rejected video section. |
+ ASSERT_NE(nullptr, caller()->pc()->local_description()); |
+ const ContentInfo* caller_video_content = |
+ GetFirstVideoContent(caller()->pc()->local_description()->description()); |
+ ASSERT_NE(nullptr, caller_video_content); |
+ EXPECT_TRUE(caller_video_content->rejected); |
+ |
+ int caller_video_received = caller()->total_video_frames_received(); |
+ int callee_video_received = callee()->total_video_frames_received(); |
+ |
+ // Wait for some additional audio frames to be received. |
+ ExpectNewFramesReceivedWithWait(kDefaultExpectedAudioFrameCount, 0, |
+ kDefaultExpectedAudioFrameCount, 0, |
+ kMaxWaitForFramesMs); |
+ |
+ // During this time, we shouldn't have received any additional video frames |
+ // for the rejected video tracks. |
+ EXPECT_EQ(caller_video_received, caller()->total_video_frames_received()); |
+ EXPECT_EQ(callee_video_received, callee()->total_video_frames_received()); |
+} |
+ |
+// Basic end-to-end test, but without SSRC/MSID signaling. This functionality |
+// is needed to support legacy endpoints. |
+// TODO(deadbeef): When we support the MID extension and demuxing on MID, also |
+// add a test for an end-to-end test without MID signaling either (basically, |
+// the minimum acceptable SDP). |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithoutSsrcOrMsidSignaling) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Add audio and video, testing that packets can be demuxed on payload type. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ // Remove all stream information (SSRCs, track IDs, etc.) and "msid-semantic" |
+ // attribute from received SDP, simulating a legacy endpoint. |
+ callee()->SetReceivedSdpMunger([](cricket::SessionDescription* desc) { |
+ for (ContentInfo& content : desc->contents()) { |
+ MediaContentDescription* media_desc = |
+ static_cast<MediaContentDescription*>(content.description); |
+ media_desc->mutable_streams().clear(); |
+ } |
+ desc->set_msid_supported(false); |
+ }); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Test that if two video tracks are sent (from caller to callee, in this test), |
+// they're transmitted correctly end-to-end. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithTwoVideoTracks) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Add one audio/video stream, and one video-only stream. |
+ caller()->AddAudioVideoMediaStream(); |
+ caller()->AddMediaStreamFromTracksWithLabel( |
+ nullptr, caller()->CreateLocalVideoTrackWithId("extra_track"), |
+ "extra_stream"); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ASSERT_EQ(2u, callee()->number_of_remote_streams()); |
+ int expected_callee_received_frames = kDefaultExpectedVideoFrameCount; |
+ ExpectNewFramesReceivedWithWait(0, 0, 0, expected_callee_received_frames, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+static void MakeSpecCompliantMaxBundleOffer(cricket::SessionDescription* desc) { |
+ bool first = true; |
+ for (cricket::ContentInfo& content : desc->contents()) { |
+ if (first) { |
+ first = false; |
+ continue; |
+ } |
+ content.bundle_only = true; |
+ } |
+ first = true; |
+ for (cricket::TransportInfo& transport : desc->transport_infos()) { |
+ if (first) { |
+ first = false; |
+ continue; |
+ } |
+ transport.description.ice_ufrag.clear(); |
+ transport.description.ice_pwd.clear(); |
+ transport.description.connection_role = cricket::CONNECTIONROLE_NONE; |
+ transport.description.identity_fingerprint.reset(nullptr); |
+ } |
+} |
+ |
+// Test that if applying a true "max bundle" offer, which uses ports of 0, |
+// "a=bundle-only", omitting "a=fingerprint", "a=setup", "a=ice-ufrag" and |
+// "a=ice-pwd" for all but the audio "m=" section, negotiation still completes |
+// successfully and media flows. |
+// TODO(deadbeef): Update this test to also omit "a=rtcp-mux", once that works. |
+// TODO(deadbeef): Won't need this test once we start generating actual |
+// standards-compliant SDP. |
+TEST_F(PeerConnectionIntegrationTest, |
+ EndToEndCallWithSpecCompliantMaxBundleOffer) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ // Do the equivalent of setting the port to 0, adding a=bundle-only, and |
+ // removing a=ice-ufrag, a=ice-pwd, a=fingerprint and a=setup from all |
+ // but the first m= section. |
+ callee()->SetReceivedSdpMunger(MakeSpecCompliantMaxBundleOffer); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Test that we can receive the audio output level from a remote audio track. |
+// TODO(deadbeef): Use a fake audio source and verify that the output level is |
+// exactly what the source on the other side was configured with. |
+TEST_F(PeerConnectionIntegrationTest, GetAudioOutputLevelStats) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Just add an audio track. |
+ caller()->AddMediaStreamFromTracks(caller()->CreateLocalAudioTrack(), |
+ nullptr); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ |
+ // Get the audio output level stats. Note that the level is not available |
+ // until an RTCP packet has been received. |
+ EXPECT_TRUE_WAIT(callee()->GetStats()->AudioOutputLevel() > 0, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Test that an audio input level is reported. |
+// TODO(deadbeef): Use a fake audio source and verify that the input level is |
+// exactly what the source was configured with. |
+TEST_F(PeerConnectionIntegrationTest, GetAudioInputLevelStats) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Just add an audio track. |
+ caller()->AddMediaStreamFromTracks(caller()->CreateLocalAudioTrack(), |
+ nullptr); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ |
+ // Get the audio input level stats. The level should be available very |
+ // soon after the test starts. |
+ EXPECT_TRUE_WAIT(caller()->GetStats()->AudioInputLevel() > 0, |
+ kMaxWaitForStatsMs); |
+} |
+ |
+// Test that we can get incoming byte counts from both audio and video tracks. |
+TEST_F(PeerConnectionIntegrationTest, GetBytesReceivedStats) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ // Do offer/answer, wait for the callee to receive some frames. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ int expected_caller_received_frames = 0; |
+ ExpectNewFramesReceivedWithWait( |
+ expected_caller_received_frames, expected_caller_received_frames, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+ |
+ // Get a handle to the remote tracks created, so they can be used as GetStats |
+ // filters. |
+ StreamCollectionInterface* remote_streams = callee()->remote_streams(); |
+ ASSERT_EQ(1u, remote_streams->count()); |
+ ASSERT_EQ(1u, remote_streams->at(0)->GetAudioTracks().size()); |
+ ASSERT_EQ(1u, remote_streams->at(0)->GetVideoTracks().size()); |
+ MediaStreamTrackInterface* remote_audio_track = |
+ remote_streams->at(0)->GetAudioTracks()[0]; |
+ MediaStreamTrackInterface* remote_video_track = |
+ remote_streams->at(0)->GetVideoTracks()[0]; |
+ |
+ // We received frames, so we definitely should have nonzero "received bytes" |
+ // stats at this point. |
+ EXPECT_GT(callee()->GetStatsForTrack(remote_audio_track)->BytesReceived(), 0); |
+ EXPECT_GT(callee()->GetStatsForTrack(remote_video_track)->BytesReceived(), 0); |
+} |
+ |
+// Test that we can get outgoing byte counts from both audio and video tracks. |
+TEST_F(PeerConnectionIntegrationTest, GetBytesSentStats) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ auto audio_track = caller()->CreateLocalAudioTrack(); |
+ auto video_track = caller()->CreateLocalVideoTrack(); |
+ caller()->AddMediaStreamFromTracks(audio_track, video_track); |
+ // Do offer/answer, wait for the callee to receive some frames. |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ int expected_caller_received_frames = 0; |
+ ExpectNewFramesReceivedWithWait( |
+ expected_caller_received_frames, expected_caller_received_frames, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+ |
+ // The callee received frames, so we definitely should have nonzero "sent |
+ // bytes" stats at this point. |
+ EXPECT_GT(caller()->GetStatsForTrack(audio_track)->BytesSent(), 0); |
+ EXPECT_GT(caller()->GetStatsForTrack(video_track)->BytesSent(), 0); |
+} |
+ |
+// Test that DTLS 1.0 is used if both sides only support DTLS 1.0. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithDtls10) { |
+ PeerConnectionFactory::Options dtls_10_options; |
+ dtls_10_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_10; |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithOptions(dtls_10_options, |
+ dtls_10_options)); |
+ ConnectFakeSignaling(); |
+ // Do normal offer/answer and wait for some frames to be received in each |
+ // direction. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Test getting cipher stats and UMA metrics when DTLS 1.0 is negotiated. |
+TEST_F(PeerConnectionIntegrationTest, Dtls10CipherStatsAndUmaMetrics) { |
+ PeerConnectionFactory::Options dtls_10_options; |
+ dtls_10_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_10; |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithOptions(dtls_10_options, |
+ dtls_10_options)); |
+ ConnectFakeSignaling(); |
+ // Register UMA observer before signaling begins. |
+ rtc::scoped_refptr<webrtc::FakeMetricsObserver> caller_observer = |
+ new rtc::RefCountedObject<webrtc::FakeMetricsObserver>(); |
+ caller()->pc()->RegisterUMAObserver(caller_observer); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(rtc::SSLStreamAdapter::IsAcceptableCipher( |
+ caller()->GetStats()->DtlsCipher(), rtc::KT_DEFAULT), |
+ kDefaultTimeout); |
+ EXPECT_EQ_WAIT(rtc::SrtpCryptoSuiteToName(kDefaultSrtpCryptoSuite), |
+ caller()->GetStats()->SrtpCipher(), kDefaultTimeout); |
+ EXPECT_EQ(1, |
+ caller_observer->GetEnumCounter(webrtc::kEnumCounterAudioSrtpCipher, |
+ kDefaultSrtpCryptoSuite)); |
+} |
+ |
+// Test getting cipher stats and UMA metrics when DTLS 1.2 is negotiated. |
+TEST_F(PeerConnectionIntegrationTest, Dtls12CipherStatsAndUmaMetrics) { |
+ PeerConnectionFactory::Options dtls_12_options; |
+ dtls_12_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_12; |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithOptions(dtls_12_options, |
+ dtls_12_options)); |
+ ConnectFakeSignaling(); |
+ // Register UMA observer before signaling begins. |
+ rtc::scoped_refptr<webrtc::FakeMetricsObserver> caller_observer = |
+ new rtc::RefCountedObject<webrtc::FakeMetricsObserver>(); |
+ caller()->pc()->RegisterUMAObserver(caller_observer); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(rtc::SSLStreamAdapter::IsAcceptableCipher( |
+ caller()->GetStats()->DtlsCipher(), rtc::KT_DEFAULT), |
+ kDefaultTimeout); |
+ EXPECT_EQ_WAIT(rtc::SrtpCryptoSuiteToName(kDefaultSrtpCryptoSuite), |
+ caller()->GetStats()->SrtpCipher(), kDefaultTimeout); |
+ EXPECT_EQ(1, |
+ caller_observer->GetEnumCounter(webrtc::kEnumCounterAudioSrtpCipher, |
+ kDefaultSrtpCryptoSuite)); |
+} |
+ |
+// Test that DTLS 1.0 can be used if the caller supports DTLS 1.2 and the |
+// callee only supports 1.0. |
+TEST_F(PeerConnectionIntegrationTest, CallerDtls12ToCalleeDtls10) { |
+ PeerConnectionFactory::Options caller_options; |
+ caller_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_12; |
+ PeerConnectionFactory::Options callee_options; |
+ callee_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_10; |
+ ASSERT_TRUE( |
+ CreatePeerConnectionWrappersWithOptions(caller_options, callee_options)); |
+ ConnectFakeSignaling(); |
+ // Do normal offer/answer and wait for some frames to be received in each |
+ // direction. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Test that DTLS 1.0 can be used if the caller only supports DTLS 1.0 and the |
+// callee supports 1.2. |
+TEST_F(PeerConnectionIntegrationTest, CallerDtls10ToCalleeDtls12) { |
+ PeerConnectionFactory::Options caller_options; |
+ caller_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_10; |
+ PeerConnectionFactory::Options callee_options; |
+ callee_options.ssl_max_version = rtc::SSL_PROTOCOL_DTLS_12; |
+ ASSERT_TRUE( |
+ CreatePeerConnectionWrappersWithOptions(caller_options, callee_options)); |
+ ConnectFakeSignaling(); |
+ // Do normal offer/answer and wait for some frames to be received in each |
+ // direction. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Test that a non-GCM cipher is used if both sides only support non-GCM. |
+TEST_F(PeerConnectionIntegrationTest, NonGcmCipherUsedWhenGcmNotSupported) { |
+ bool local_gcm_enabled = false; |
+ bool remote_gcm_enabled = false; |
+ int expected_cipher_suite = kDefaultSrtpCryptoSuite; |
+ TestGcmNegotiationUsesCipherSuite(local_gcm_enabled, remote_gcm_enabled, |
+ expected_cipher_suite); |
+} |
+ |
+// Test that a GCM cipher is used if both ends support it. |
+TEST_F(PeerConnectionIntegrationTest, GcmCipherUsedWhenGcmSupported) { |
+ bool local_gcm_enabled = true; |
+ bool remote_gcm_enabled = true; |
+ int expected_cipher_suite = kDefaultSrtpCryptoSuiteGcm; |
+ TestGcmNegotiationUsesCipherSuite(local_gcm_enabled, remote_gcm_enabled, |
+ expected_cipher_suite); |
+} |
+ |
+// Test that GCM isn't used if only the offerer supports it. |
+TEST_F(PeerConnectionIntegrationTest, |
+ NonGcmCipherUsedWhenOnlyCallerSupportsGcm) { |
+ bool local_gcm_enabled = true; |
+ bool remote_gcm_enabled = false; |
+ int expected_cipher_suite = kDefaultSrtpCryptoSuite; |
+ TestGcmNegotiationUsesCipherSuite(local_gcm_enabled, remote_gcm_enabled, |
+ expected_cipher_suite); |
+} |
+ |
+// Test that GCM isn't used if only the answerer supports it. |
+TEST_F(PeerConnectionIntegrationTest, |
+ NonGcmCipherUsedWhenOnlyCalleeSupportsGcm) { |
+ bool local_gcm_enabled = false; |
+ bool remote_gcm_enabled = true; |
+ int expected_cipher_suite = kDefaultSrtpCryptoSuite; |
+ TestGcmNegotiationUsesCipherSuite(local_gcm_enabled, remote_gcm_enabled, |
+ expected_cipher_suite); |
+} |
+ |
+// This test sets up a call between two parties with audio, video and an RTP |
+// data channel. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithRtpDataChannel) { |
+ FakeConstraints setup_constraints; |
+ setup_constraints.SetAllowRtpDataChannels(); |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithConstraints(&setup_constraints, |
+ &setup_constraints)); |
+ ConnectFakeSignaling(); |
+ // Expect that data channel created on caller side will show up for callee as |
+ // well. |
+ caller()->CreateDataChannel(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Ensure the existence of the RTP data channel didn't impede audio/video. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+ ASSERT_NE(nullptr, caller()->data_channel()); |
+ ASSERT_NE(nullptr, callee()->data_channel()); |
+ EXPECT_TRUE_WAIT(caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+ |
+ // Ensure data can be sent in both directions. |
+ std::string data = "hello world"; |
+ SendRtpDataWithRetries(caller()->data_channel(), data, 5); |
+ EXPECT_EQ_WAIT(data, callee()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+ SendRtpDataWithRetries(callee()->data_channel(), data, 5); |
+ EXPECT_EQ_WAIT(data, caller()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+} |
+ |
+// Ensure that an RTP data channel is signaled as closed for the caller when |
+// the callee rejects it in a subsequent offer. |
+TEST_F(PeerConnectionIntegrationTest, |
+ RtpDataChannelSignaledClosedInCalleeOffer) { |
+ // Same procedure as above test. |
+ FakeConstraints setup_constraints; |
+ setup_constraints.SetAllowRtpDataChannels(); |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithConstraints(&setup_constraints, |
+ &setup_constraints)); |
+ ConnectFakeSignaling(); |
+ caller()->CreateDataChannel(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ASSERT_NE(nullptr, caller()->data_channel()); |
+ ASSERT_NE(nullptr, callee()->data_channel()); |
+ ASSERT_TRUE_WAIT(caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ ASSERT_TRUE_WAIT(callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+ |
+ // Close the data channel on the callee, and do an updated offer/answer. |
+ callee()->data_channel()->Close(); |
+ callee()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ EXPECT_FALSE(caller()->data_observer()->IsOpen()); |
+ EXPECT_FALSE(callee()->data_observer()->IsOpen()); |
+} |
+ |
+// Tests that data is buffered in an RTP data channel until an observer is |
+// registered for it. |
+// |
+// NOTE: RTP data channels can receive data before the underlying |
+// transport has detected that a channel is writable and thus data can be |
+// received before the data channel state changes to open. That is hard to test |
+// but the same buffering is expected to be used in that case. |
+TEST_F(PeerConnectionIntegrationTest, |
+ DataBufferedUntilRtpDataChannelObserverRegistered) { |
+ // Use fake clock and simulated network delay so that we predictably can wait |
+ // until an SCTP message has been delivered without "sleep()"ing. |
+ rtc::ScopedFakeClock fake_clock; |
+ // Some things use a time of "0" as a special value, so we need to start out |
+ // the fake clock at a nonzero time. |
+ // TODO(deadbeef): Fix this. |
+ fake_clock.AdvanceTime(rtc::TimeDelta::FromSeconds(1)); |
+ virtual_socket_server()->set_delay_mean(5); // 5 ms per hop. |
+ virtual_socket_server()->UpdateDelayDistribution(); |
+ |
+ FakeConstraints constraints; |
+ constraints.SetAllowRtpDataChannels(); |
+ ASSERT_TRUE( |
+ CreatePeerConnectionWrappersWithConstraints(&constraints, &constraints)); |
+ ConnectFakeSignaling(); |
+ caller()->CreateDataChannel(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE(caller()->data_channel() != nullptr); |
+ ASSERT_TRUE_SIMULATED_WAIT(callee()->data_channel() != nullptr, |
+ kDefaultTimeout, fake_clock); |
+ ASSERT_TRUE_SIMULATED_WAIT(caller()->data_observer()->IsOpen(), |
+ kDefaultTimeout, fake_clock); |
+ ASSERT_EQ_SIMULATED_WAIT(DataChannelInterface::kOpen, |
+ callee()->data_channel()->state(), kDefaultTimeout, |
+ fake_clock); |
+ |
+ // Unregister the observer which is normally automatically registered. |
+ callee()->data_channel()->UnregisterObserver(); |
+ // Send data and advance fake clock until it should have been received. |
+ std::string data = "hello world"; |
+ caller()->data_channel()->Send(DataBuffer(data)); |
+ SIMULATED_WAIT(false, 50, fake_clock); |
+ |
+ // Attach data channel and expect data to be received immediately. Note that |
+ // EXPECT_EQ_WAIT is used, such that the simulated clock is not advanced any |
+ // further, but data can be received even if the callback is asynchronous. |
+ MockDataChannelObserver new_observer(callee()->data_channel()); |
+ EXPECT_EQ_SIMULATED_WAIT(data, new_observer.last_message(), kDefaultTimeout, |
+ fake_clock); |
+} |
+ |
+// This test sets up a call between two parties with audio, video and but only |
+// the caller client supports RTP data channels. |
+TEST_F(PeerConnectionIntegrationTest, RtpDataChannelsRejectedByCallee) { |
+ FakeConstraints setup_constraints_1; |
+ setup_constraints_1.SetAllowRtpDataChannels(); |
+ // Must disable DTLS to make negotiation succeed. |
+ setup_constraints_1.SetMandatory(MediaConstraintsInterface::kEnableDtlsSrtp, |
+ false); |
+ FakeConstraints setup_constraints_2; |
+ setup_constraints_2.SetMandatory(MediaConstraintsInterface::kEnableDtlsSrtp, |
+ false); |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithConstraints( |
+ &setup_constraints_1, &setup_constraints_2)); |
+ ConnectFakeSignaling(); |
+ caller()->CreateDataChannel(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // The caller should still have a data channel, but it should be closed, and |
+ // one should ever have been created for the callee. |
+ EXPECT_TRUE(caller()->data_channel() != nullptr); |
+ EXPECT_FALSE(caller()->data_observer()->IsOpen()); |
+ EXPECT_EQ(nullptr, callee()->data_channel()); |
+} |
+ |
+// This test sets up a call between two parties with audio, and video. When |
+// audio and video is setup and flowing, an RTP data channel is negotiated. |
+TEST_F(PeerConnectionIntegrationTest, AddRtpDataChannelInSubsequentOffer) { |
+ FakeConstraints setup_constraints; |
+ setup_constraints.SetAllowRtpDataChannels(); |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithConstraints(&setup_constraints, |
+ &setup_constraints)); |
+ ConnectFakeSignaling(); |
+ // Do initial offer/answer with audio/video. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Create data channel and do new offer and answer. |
+ caller()->CreateDataChannel(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ASSERT_NE(nullptr, caller()->data_channel()); |
+ ASSERT_NE(nullptr, callee()->data_channel()); |
+ EXPECT_TRUE_WAIT(caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+ // Ensure data can be sent in both directions. |
+ std::string data = "hello world"; |
+ SendRtpDataWithRetries(caller()->data_channel(), data, 5); |
+ EXPECT_EQ_WAIT(data, callee()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+ SendRtpDataWithRetries(callee()->data_channel(), data, 5); |
+ EXPECT_EQ_WAIT(data, caller()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+} |
+ |
+#ifdef HAVE_SCTP |
+ |
+// This test sets up a call between two parties with audio, video and an SCTP |
+// data channel. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithSctpDataChannel) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Expect that data channel created on caller side will show up for callee as |
+ // well. |
+ caller()->CreateDataChannel(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Ensure the existence of the SCTP data channel didn't impede audio/video. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+ // Caller data channel should already exist (it created one). Callee data |
+ // channel may not exist yet, since negotiation happens in-band, not in SDP. |
+ ASSERT_NE(nullptr, caller()->data_channel()); |
+ ASSERT_TRUE_WAIT(callee()->data_channel() != nullptr, kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+ |
+ // Ensure data can be sent in both directions. |
+ std::string data = "hello world"; |
+ caller()->data_channel()->Send(DataBuffer(data)); |
+ EXPECT_EQ_WAIT(data, callee()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+ callee()->data_channel()->Send(DataBuffer(data)); |
+ EXPECT_EQ_WAIT(data, caller()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+} |
+ |
+// Ensure that when the callee closes an SCTP data channel, the closing |
+// procedure results in the data channel being closed for the caller as well. |
+TEST_F(PeerConnectionIntegrationTest, CalleeClosesSctpDataChannel) { |
+ // Same procedure as above test. |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ caller()->CreateDataChannel(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ASSERT_NE(nullptr, caller()->data_channel()); |
+ ASSERT_TRUE_WAIT(callee()->data_channel() != nullptr, kDefaultTimeout); |
+ ASSERT_TRUE_WAIT(caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ ASSERT_TRUE_WAIT(callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+ |
+ // Close the data channel on the callee side, and wait for it to reach the |
+ // "closed" state on both sides. |
+ callee()->data_channel()->Close(); |
+ EXPECT_TRUE_WAIT(!caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(!callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+} |
+ |
+// Test usrsctp's ability to process unordered data stream, where data actually |
+// arrives out of order using simulated delays. Previously there have been some |
+// bugs in this area. |
+TEST_F(PeerConnectionIntegrationTest, StressTestUnorderedSctpDataChannel) { |
+ // Introduce random network delays. |
+ // Otherwise it's not a true "unordered" test. |
+ virtual_socket_server()->set_delay_mean(20); |
+ virtual_socket_server()->set_delay_stddev(5); |
+ virtual_socket_server()->UpdateDelayDistribution(); |
+ // Normal procedure, but with unordered data channel config. |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ webrtc::DataChannelInit init; |
+ init.ordered = false; |
+ caller()->CreateDataChannel(&init); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ASSERT_NE(nullptr, caller()->data_channel()); |
+ ASSERT_TRUE_WAIT(callee()->data_channel() != nullptr, kDefaultTimeout); |
+ ASSERT_TRUE_WAIT(caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ ASSERT_TRUE_WAIT(callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+ |
+ static constexpr int kNumMessages = 100; |
+ // Deliberately chosen to be larger than the MTU so messages get fragmented. |
+ static constexpr size_t kMaxMessageSize = 4096; |
+ // Create and send random messages. |
+ std::vector<std::string> sent_messages; |
+ for (int i = 0; i < kNumMessages; ++i) { |
+ size_t length = |
+ (rand() % kMaxMessageSize) + 1; // NOLINT (rand_r instead of rand) |
+ std::string message; |
+ ASSERT_TRUE(rtc::CreateRandomString(length, &message)); |
+ caller()->data_channel()->Send(DataBuffer(message)); |
+ callee()->data_channel()->Send(DataBuffer(message)); |
+ sent_messages.push_back(message); |
+ } |
+ |
+ // Wait for all messages to be received. |
+ EXPECT_EQ_WAIT(kNumMessages, |
+ caller()->data_observer()->received_message_count(), |
+ kDefaultTimeout); |
+ EXPECT_EQ_WAIT(kNumMessages, |
+ callee()->data_observer()->received_message_count(), |
+ kDefaultTimeout); |
+ |
+ // Sort and compare to make sure none of the messages were corrupted. |
+ std::vector<std::string> caller_received_messages = |
+ caller()->data_observer()->messages(); |
+ std::vector<std::string> callee_received_messages = |
+ callee()->data_observer()->messages(); |
+ std::sort(sent_messages.begin(), sent_messages.end()); |
+ std::sort(caller_received_messages.begin(), caller_received_messages.end()); |
+ std::sort(callee_received_messages.begin(), callee_received_messages.end()); |
+ EXPECT_EQ(sent_messages, caller_received_messages); |
+ EXPECT_EQ(sent_messages, callee_received_messages); |
+} |
+ |
+// This test sets up a call between two parties with audio, and video. When |
+// audio and video are setup and flowing, an SCTP data channel is negotiated. |
+TEST_F(PeerConnectionIntegrationTest, AddSctpDataChannelInSubsequentOffer) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Do initial offer/answer with audio/video. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Create data channel and do new offer and answer. |
+ caller()->CreateDataChannel(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Caller data channel should already exist (it created one). Callee data |
+ // channel may not exist yet, since negotiation happens in-band, not in SDP. |
+ ASSERT_NE(nullptr, caller()->data_channel()); |
+ ASSERT_TRUE_WAIT(callee()->data_channel() != nullptr, kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(caller()->data_observer()->IsOpen(), kDefaultTimeout); |
+ EXPECT_TRUE_WAIT(callee()->data_observer()->IsOpen(), kDefaultTimeout); |
+ // Ensure data can be sent in both directions. |
+ std::string data = "hello world"; |
+ caller()->data_channel()->Send(DataBuffer(data)); |
+ EXPECT_EQ_WAIT(data, callee()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+ callee()->data_channel()->Send(DataBuffer(data)); |
+ EXPECT_EQ_WAIT(data, caller()->data_observer()->last_message(), |
+ kDefaultTimeout); |
+} |
+ |
+#endif // HAVE_SCTP |
+ |
+// Test that the ICE connection and gathering states eventually reach |
+// "complete". |
+TEST_F(PeerConnectionIntegrationTest, IceStatesReachCompletion) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Do normal offer/answer. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceGatheringComplete, |
+ caller()->ice_gathering_state(), kMaxWaitForFramesMs); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceGatheringComplete, |
+ callee()->ice_gathering_state(), kMaxWaitForFramesMs); |
+ // After the best candidate pair is selected and all candidates are signaled, |
+ // the ICE connection state should reach "complete". |
+ // TODO(deadbeef): Currently, the ICE "controlled" agent (the |
+ // answerer/"callee" by default) only reaches "connected". When this is |
+ // fixed, this test should be updated. |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionCompleted, |
+ caller()->ice_connection_state(), kDefaultTimeout); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionConnected, |
+ callee()->ice_connection_state(), kDefaultTimeout); |
+} |
+ |
+// This test sets up a call between two parties with audio and video. |
+// During the call, the caller restarts ICE and the test verifies that |
+// new ICE candidates are generated and audio and video still can flow, and the |
+// ICE state reaches completed again. |
+TEST_F(PeerConnectionIntegrationTest, MediaContinuesFlowingAfterIceRestart) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Do normal offer/answer and wait for ICE to complete. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionCompleted, |
+ caller()->ice_connection_state(), kMaxWaitForFramesMs); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionConnected, |
+ callee()->ice_connection_state(), kMaxWaitForFramesMs); |
+ |
+ // To verify that the ICE restart actually occurs, get |
+ // ufrag/password/candidates before and after restart. |
+ // Create an SDP string of the first audio candidate for both clients. |
+ const webrtc::IceCandidateCollection* audio_candidates_caller = |
+ caller()->pc()->local_description()->candidates(0); |
+ const webrtc::IceCandidateCollection* audio_candidates_callee = |
+ callee()->pc()->local_description()->candidates(0); |
+ ASSERT_GT(audio_candidates_caller->count(), 0u); |
+ ASSERT_GT(audio_candidates_callee->count(), 0u); |
+ std::string caller_candidate_pre_restart; |
+ ASSERT_TRUE( |
+ audio_candidates_caller->at(0)->ToString(&caller_candidate_pre_restart)); |
+ std::string callee_candidate_pre_restart; |
+ ASSERT_TRUE( |
+ audio_candidates_callee->at(0)->ToString(&callee_candidate_pre_restart)); |
+ const cricket::SessionDescription* desc = |
+ caller()->pc()->local_description()->description(); |
+ std::string caller_ufrag_pre_restart = |
+ desc->transport_infos()[0].description.ice_ufrag; |
+ desc = callee()->pc()->local_description()->description(); |
+ std::string callee_ufrag_pre_restart = |
+ desc->transport_infos()[0].description.ice_ufrag; |
+ |
+ // Have the caller initiate an ICE restart. |
+ caller()->SetOfferAnswerOptions(IceRestartOfferAnswerOptions()); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionCompleted, |
+ caller()->ice_connection_state(), kMaxWaitForFramesMs); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionConnected, |
+ callee()->ice_connection_state(), kMaxWaitForFramesMs); |
+ |
+ // Grab the ufrags/candidates again. |
+ audio_candidates_caller = caller()->pc()->local_description()->candidates(0); |
+ audio_candidates_callee = callee()->pc()->local_description()->candidates(0); |
+ ASSERT_GT(audio_candidates_caller->count(), 0u); |
+ ASSERT_GT(audio_candidates_callee->count(), 0u); |
+ std::string caller_candidate_post_restart; |
+ ASSERT_TRUE( |
+ audio_candidates_caller->at(0)->ToString(&caller_candidate_post_restart)); |
+ std::string callee_candidate_post_restart; |
+ ASSERT_TRUE( |
+ audio_candidates_callee->at(0)->ToString(&callee_candidate_post_restart)); |
+ desc = caller()->pc()->local_description()->description(); |
+ std::string caller_ufrag_post_restart = |
+ desc->transport_infos()[0].description.ice_ufrag; |
+ desc = callee()->pc()->local_description()->description(); |
+ std::string callee_ufrag_post_restart = |
+ desc->transport_infos()[0].description.ice_ufrag; |
+ // Sanity check that an ICE restart was actually negotiated in SDP. |
+ ASSERT_NE(caller_candidate_pre_restart, caller_candidate_post_restart); |
+ ASSERT_NE(callee_candidate_pre_restart, callee_candidate_post_restart); |
+ ASSERT_NE(caller_ufrag_pre_restart, caller_ufrag_post_restart); |
+ ASSERT_NE(callee_ufrag_pre_restart, callee_ufrag_post_restart); |
+ |
+ // Ensure that additional frames are received after the ICE restart. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// Verify that audio/video can be received end-to-end when ICE renomination is |
+// enabled. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndCallWithIceRenomination) { |
+ PeerConnectionInterface::RTCConfiguration config; |
+ config.enable_ice_renomination = true; |
+ ASSERT_TRUE(CreatePeerConnectionWrappersWithConfig(config, config)); |
+ ConnectFakeSignaling(); |
+ // Do normal offer/answer and wait for some frames to be received in each |
+ // direction. |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Sanity check that ICE renomination was actually negotiated. |
+ const cricket::SessionDescription* desc = |
+ caller()->pc()->local_description()->description(); |
+ for (const cricket::TransportInfo& info : desc->transport_infos()) { |
+ ASSERT_NE(info.description.transport_options.end(), |
+ std::find(info.description.transport_options.begin(), |
+ info.description.transport_options.end(), |
+ cricket::ICE_RENOMINATION_STR)); |
+ } |
+ desc = callee()->pc()->local_description()->description(); |
+ for (const cricket::TransportInfo& info : desc->transport_infos()) { |
+ ASSERT_NE(info.description.transport_options.end(), |
+ std::find(info.description.transport_options.begin(), |
+ info.description.transport_options.end(), |
+ cricket::ICE_RENOMINATION_STR)); |
+ } |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test sets up a call between two parties with audio and video. It then |
+// renegotiates setting the video m-line to "port 0", then later renegotiates |
+// again, enabling video. |
+TEST_F(PeerConnectionIntegrationTest, |
+ VideoFlowsAfterMediaSectionIsRejectedAndRecycled) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ |
+ // Do initial negotiation, only sending media from the caller. Will result in |
+ // video and audio recvonly "m=" sections. |
+ caller()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ |
+ // Negotiate again, disabling the video "m=" section (the callee will set the |
+ // port to 0 due to offer_to_receive_video = 0). |
+ PeerConnectionInterface::RTCOfferAnswerOptions options; |
+ options.offer_to_receive_video = 0; |
+ callee()->SetOfferAnswerOptions(options); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Sanity check that video "m=" section was actually rejected. |
+ const ContentInfo* answer_video_content = cricket::GetFirstVideoContent( |
+ callee()->pc()->local_description()->description()); |
+ ASSERT_NE(nullptr, answer_video_content); |
+ ASSERT_TRUE(answer_video_content->rejected); |
+ |
+ // Enable video and do negotiation again, making sure video is received |
+ // end-to-end, also adding media stream to callee. |
+ options.offer_to_receive_video = 1; |
+ callee()->SetOfferAnswerOptions(options); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ // Verify the caller receives frames from the newly added stream, and the |
+ // callee receives additional frames from the re-enabled video m= section. |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test sets up a Jsep call between two parties with external |
+// VideoDecoderFactory. |
+// TODO(holmer): Disabled due to sometimes crashing on buildbots. |
+// See issue webrtc/2378. |
+TEST_F(PeerConnectionIntegrationTest, |
+ DISABLED_EndToEndCallWithVideoDecoderFactory) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ EnableVideoDecoderFactory(); |
+ ConnectFakeSignaling(); |
+ caller()->AddAudioVideoMediaStream(); |
+ callee()->AddAudioVideoMediaStream(); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kDefaultTimeout); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This tests that if we negotiate after calling CreateSender but before we |
+// have a track, then set a track later, frames from the newly-set track are |
+// received end-to-end. |
+// TODO(deadbeef): Change this test to use AddTransceiver, once that's |
+// implemented. |
+TEST_F(PeerConnectionIntegrationTest, |
+ MediaFlowsAfterEarlyWarmupWithCreateSender) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ auto caller_audio_sender = |
+ caller()->pc()->CreateSender("audio", "caller_stream"); |
+ auto caller_video_sender = |
+ caller()->pc()->CreateSender("video", "caller_stream"); |
+ auto callee_audio_sender = |
+ callee()->pc()->CreateSender("audio", "callee_stream"); |
+ auto callee_video_sender = |
+ callee()->pc()->CreateSender("video", "callee_stream"); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kMaxWaitForActivationMs); |
+ // Wait for ICE to complete, without any tracks being set. |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionCompleted, |
+ caller()->ice_connection_state(), kMaxWaitForFramesMs); |
+ EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceConnectionConnected, |
+ callee()->ice_connection_state(), kMaxWaitForFramesMs); |
+ // Now set the tracks, and expect frames to immediately start flowing. |
+ EXPECT_TRUE(caller_audio_sender->SetTrack(caller()->CreateLocalAudioTrack())); |
+ EXPECT_TRUE(caller_video_sender->SetTrack(caller()->CreateLocalVideoTrack())); |
+ EXPECT_TRUE(callee_audio_sender->SetTrack(callee()->CreateLocalAudioTrack())); |
+ EXPECT_TRUE(callee_video_sender->SetTrack(callee()->CreateLocalVideoTrack())); |
+ ExpectNewFramesReceivedWithWait( |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kDefaultExpectedAudioFrameCount, kDefaultExpectedVideoFrameCount, |
+ kMaxWaitForFramesMs); |
+} |
+ |
+// This test verifies that a remote video track can be added via AddStream, |
+// and sent end-to-end. For this particular test, it's simply echoed back |
+// from the caller to the callee, rather than being forwarded to a third |
+// PeerConnection. |
+TEST_F(PeerConnectionIntegrationTest, CanSendRemoteVideoTrack) { |
+ ASSERT_TRUE(CreatePeerConnectionWrappers()); |
+ ConnectFakeSignaling(); |
+ // Just send a video track from the caller. |
+ caller()->AddMediaStreamFromTracks(nullptr, |
+ caller()->CreateLocalVideoTrack()); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kMaxWaitForActivationMs); |
+ ASSERT_EQ(1, callee()->remote_streams()->count()); |
+ |
+ // Echo the stream back, and do a new offer/anwer (initiated by callee this |
+ // time). |
+ callee()->pc()->AddStream(callee()->remote_streams()->at(0)); |
+ callee()->CreateAndSetAndSignalOffer(); |
+ ASSERT_TRUE_WAIT(SignalingStateStable(), kMaxWaitForActivationMs); |
+ |
+ int expected_caller_received_video_frames = kDefaultExpectedVideoFrameCount; |
+ ExpectNewFramesReceivedWithWait(0, expected_caller_received_video_frames, 0, |
+ 0, kMaxWaitForFramesMs); |
+} |
+ |
+// Test that we achieve the expected end-to-end connection time, using a |
+// fake clock and simulated latency on the media and signaling paths. |
+// We use a TURN<->TURN connection because this is usually the quickest to |
+// set up initially, especially when we're confident the connection will work |
+// and can start sending media before we get a STUN response. |
+// |
+// With various optimizations enabled, here are the network delays we expect to |
+// be on the critical path: |
+// 1. 2 signaling trips: Signaling offer and offerer's TURN candidate, then |
+// signaling answer (with DTLS fingerprint). |
+// 2. 9 media hops: Rest of the DTLS handshake. 3 hops in each direction when |
+// using TURN<->TURN pair, and DTLS exchange is 4 packets, |
+// the first of which should have arrived before the answer. |
+TEST_F(PeerConnectionIntegrationTest, EndToEndConnectionTimeWithTurnTurnPair) { |
+ rtc::ScopedFakeClock fake_clock; |
+ // Some things use a time of "0" as a special value, so we need to start out |
+ // the fake clock at a nonzero time. |
+ // TODO(deadbeef): Fix this. |
+ fake_clock.AdvanceTime(rtc::TimeDelta::FromSeconds(1)); |
+ |
+ static constexpr int media_hop_delay_ms = 50; |
+ static constexpr int signaling_trip_delay_ms = 500; |
+ // For explanation of these values, see comment above. |
+ static constexpr int required_media_hops = 9; |
+ static constexpr int required_signaling_trips = 2; |
+ // For internal delays (such as posting an event asychronously). |
+ static constexpr int allowed_internal_delay_ms = 20; |
+ static constexpr int total_connection_time_ms = |
+ media_hop_delay_ms * required_media_hops + |
+ signaling_trip_delay_ms * required_signaling_trips + |
+ allowed_internal_delay_ms; |
+ |
+ static const rtc::SocketAddress turn_server_1_internal_address{"88.88.88.0", |
+ 3478}; |
+ static const rtc::SocketAddress turn_server_1_external_address{"88.88.88.1", |
+ 0}; |
+ static const rtc::SocketAddress turn_server_2_internal_address{"99.99.99.0", |
+ 3478}; |
+ static const rtc::SocketAddress turn_server_2_external_address{"99.99.99.1", |
+ 0}; |
+ cricket::TestTurnServer turn_server_1(network_thread(), |
+ turn_server_1_internal_address, |
+ turn_server_1_external_address); |
+ cricket::TestTurnServer turn_server_2(network_thread(), |
+ turn_server_2_internal_address, |
+ turn_server_2_external_address); |
+ // Bypass permission check on received packets so media can be sent before |
+ // the candidate is signaled. |
+ turn_server_1.set_enable_permission_checks(false); |
+ turn_server_2.set_enable_permission_checks(false); |
+ |
+ PeerConnectionInterface::RTCConfiguration client_1_config; |
+ webrtc::PeerConnectionInterface::IceServer ice_server_1; |
+ ice_server_1.urls.push_back("turn:88.88.88.0:3478"); |
+ ice_server_1.username = "test"; |
+ ice_server_1.password = "test"; |
+ client_1_config.servers.push_back(ice_server_1); |
+ client_1_config.type = webrtc::PeerConnectionInterface::kRelay; |
+ client_1_config.presume_writable_when_fully_relayed = true; |
+ |
+ PeerConnectionInterface::RTCConfiguration client_2_config; |
+ webrtc::PeerConnectionInterface::IceServer ice_server_2; |
+ ice_server_2.urls.push_back("turn:99.99.99.0:3478"); |
+ ice_server_2.username = "test"; |
+ ice_server_2.password = "test"; |
+ client_2_config.servers.push_back(ice_server_2); |
+ client_2_config.type = webrtc::PeerConnectionInterface::kRelay; |
+ client_2_config.presume_writable_when_fully_relayed = true; |
+ |
+ ASSERT_TRUE( |
+ CreatePeerConnectionWrappersWithConfig(client_1_config, client_2_config)); |
+ // Set up the simulated delays. |
+ SetSignalingDelayMs(signaling_trip_delay_ms); |
+ ConnectFakeSignaling(); |
+ virtual_socket_server()->set_delay_mean(media_hop_delay_ms); |
+ virtual_socket_server()->UpdateDelayDistribution(); |
+ |
+ // Set "offer to receive audio/video" without adding any tracks, so we just |
+ // set up ICE/DTLS with no media. |
+ PeerConnectionInterface::RTCOfferAnswerOptions options; |
+ options.offer_to_receive_audio = 1; |
+ options.offer_to_receive_video = 1; |
+ caller()->SetOfferAnswerOptions(options); |
+ caller()->CreateAndSetAndSignalOffer(); |
+ // TODO(deadbeef): kIceConnectionConnected currently means both ICE and DTLS |
+ // are connected. This is an important distinction. Once we have separate ICE |
+ // and DTLS state, this check needs to use the DTLS state. |
+ EXPECT_TRUE_SIMULATED_WAIT( |
+ (callee()->ice_connection_state() == |
+ webrtc::PeerConnectionInterface::kIceConnectionConnected || |
+ callee()->ice_connection_state() == |
+ webrtc::PeerConnectionInterface::kIceConnectionCompleted) && |
+ (caller()->ice_connection_state() == |
+ webrtc::PeerConnectionInterface::kIceConnectionConnected || |
+ caller()->ice_connection_state() == |
+ webrtc::PeerConnectionInterface::kIceConnectionCompleted), |
+ total_connection_time_ms, fake_clock); |
+ // Need to free the clients here since they're using things we created on |
+ // the stack. |
+ delete SetCallerPcWrapperAndReturnCurrent(nullptr); |
+ delete SetCalleePcWrapperAndReturnCurrent(nullptr); |
+} |
+ |
+} // namespace |
+ |
+#endif // if !defined(THREAD_SANITIZER) |