| /* |
| * 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. |
| */ |
| |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "webrtc/api/fakemetricsobserver.h" |
| #include "webrtc/api/jsepicecandidate.h" |
| #include "webrtc/api/jsepsessiondescription.h" |
| #include "webrtc/logging/rtc_event_log/rtc_event_log.h" |
| #include "webrtc/media/base/fakemediaengine.h" |
| #include "webrtc/media/base/fakevideorenderer.h" |
| #include "webrtc/media/base/mediachannel.h" |
| #include "webrtc/media/engine/fakewebrtccall.h" |
| #include "webrtc/media/sctp/sctptransportinternal.h" |
| #include "webrtc/p2p/base/packettransportinternal.h" |
| #include "webrtc/p2p/base/stunserver.h" |
| #include "webrtc/p2p/base/teststunserver.h" |
| #include "webrtc/p2p/base/testturnserver.h" |
| #include "webrtc/p2p/client/basicportallocator.h" |
| #include "webrtc/pc/audiotrack.h" |
| #include "webrtc/pc/channelmanager.h" |
| #include "webrtc/pc/mediasession.h" |
| #include "webrtc/pc/peerconnection.h" |
| #include "webrtc/pc/sctputils.h" |
| #include "webrtc/pc/test/fakertccertificategenerator.h" |
| #include "webrtc/pc/videotrack.h" |
| #include "webrtc/pc/webrtcsession.h" |
| #include "webrtc/pc/webrtcsessiondescriptionfactory.h" |
| #include "webrtc/rtc_base/checks.h" |
| #include "webrtc/rtc_base/fakenetwork.h" |
| #include "webrtc/rtc_base/firewallsocketserver.h" |
| #include "webrtc/rtc_base/gunit.h" |
| #include "webrtc/rtc_base/logging.h" |
| #include "webrtc/rtc_base/network.h" |
| #include "webrtc/rtc_base/ssladapter.h" |
| #include "webrtc/rtc_base/sslidentity.h" |
| #include "webrtc/rtc_base/sslstreamadapter.h" |
| #include "webrtc/rtc_base/stringutils.h" |
| #include "webrtc/rtc_base/thread.h" |
| #include "webrtc/rtc_base/virtualsocketserver.h" |
| |
| using cricket::FakeVoiceMediaChannel; |
| using cricket::TransportInfo; |
| using rtc::SocketAddress; |
| using rtc::Thread; |
| using webrtc::CreateSessionDescription; |
| using webrtc::CreateSessionDescriptionObserver; |
| using webrtc::CreateSessionDescriptionRequest; |
| using webrtc::DataChannel; |
| using webrtc::FakeMetricsObserver; |
| using webrtc::IceCandidateCollection; |
| using webrtc::InternalDataChannelInit; |
| using webrtc::JsepIceCandidate; |
| using webrtc::JsepSessionDescription; |
| using webrtc::PeerConnectionFactoryInterface; |
| using webrtc::PeerConnectionInterface; |
| using webrtc::SessionDescriptionInterface; |
| using webrtc::SessionStats; |
| using webrtc::StreamCollection; |
| using webrtc::WebRtcSession; |
| using webrtc::kBundleWithoutRtcpMux; |
| using webrtc::kCreateChannelFailed; |
| using webrtc::kInvalidSdp; |
| using webrtc::kMlineMismatch; |
| using webrtc::kPushDownTDFailed; |
| using webrtc::kSdpWithoutIceUfragPwd; |
| using webrtc::kSdpWithoutDtlsFingerprint; |
| using webrtc::kSdpWithoutSdesCrypto; |
| using webrtc::kSessionError; |
| using webrtc::kSessionErrorDesc; |
| using webrtc::kMaxUnsignalledRecvStreams; |
| |
| typedef PeerConnectionInterface::RTCOfferAnswerOptions RTCOfferAnswerOptions; |
| |
| static const int kClientAddrPort = 0; |
| static const char kClientAddrHost1[] = "11.11.11.11"; |
| static const char kClientIPv6AddrHost1[] = |
| "2620:0:aaaa:bbbb:cccc:dddd:eeee:ffff"; |
| static const char kClientAddrHost2[] = "22.22.22.22"; |
| static const char kStunAddrHost[] = "99.99.99.1"; |
| static const SocketAddress kTurnUdpIntAddr("99.99.99.4", 3478); |
| static const SocketAddress kTurnUdpExtAddr("99.99.99.6", 0); |
| static const char kTurnUsername[] = "test"; |
| static const char kTurnPassword[] = "test"; |
| |
| static const char kSessionVersion[] = "1"; |
| |
| // Media index of candidates belonging to the first media content. |
| static const int kMediaContentIndex0 = 0; |
| static const char kMediaContentName0[] = "audio"; |
| |
| // Media index of candidates belonging to the second media content. |
| static const int kMediaContentIndex1 = 1; |
| static const char kMediaContentName1[] = "video"; |
| |
| static const int kDefaultTimeout = 10000; // 10 seconds. |
| static const int kIceCandidatesTimeout = 10000; |
| |
| static const char kFakeDtlsFingerprint[] = |
| "BB:CD:72:F7:2F:D0:BA:43:F3:68:B1:0C:23:72:B6:4A:" |
| "0F:DE:34:06:BC:E0:FE:01:BC:73:C8:6D:F4:65:D5:24"; |
| |
| static const char kTooLongIceUfragPwd[] = |
| "IceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfrag" |
| "IceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfrag" |
| "IceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfrag" |
| "IceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfragIceUfrag"; |
| |
| static const char kSdpWithRtx[] = |
| "v=0\r\n" |
| "o=- 4104004319237231850 2 IN IP4 127.0.0.1\r\n" |
| "s=-\r\n" |
| "t=0 0\r\n" |
| "a=msid-semantic: WMS stream1\r\n" |
| "m=video 9 RTP/SAVPF 0 96\r\n" |
| "c=IN IP4 0.0.0.0\r\n" |
| "a=rtcp:9 IN IP4 0.0.0.0\r\n" |
| "a=ice-ufrag:CerjGp19G7wpXwl7\r\n" |
| "a=ice-pwd:cMvOlFvQ6ochez1ZOoC2uBEC\r\n" |
| "a=mid:video\r\n" |
| "a=sendrecv\r\n" |
| "a=rtcp-mux\r\n" |
| "a=crypto:1 AES_CM_128_HMAC_SHA1_80 " |
| "inline:5/4N5CDvMiyDArHtBByUM71VIkguH17ZNoX60GrA\r\n" |
| "a=rtpmap:0 fake_video_codec/90000\r\n" |
| "a=rtpmap:96 rtx/90000\r\n" |
| "a=fmtp:96 apt=0\r\n"; |
| |
| static const char kStream1[] = "stream1"; |
| static const char kVideoTrack1[] = "video1"; |
| static const char kAudioTrack1[] = "audio1"; |
| |
| static const char kStream2[] = "stream2"; |
| static const char kVideoTrack2[] = "video2"; |
| static const char kAudioTrack2[] = "audio2"; |
| |
| static constexpr bool kStopped = true; |
| static constexpr bool kActive = false; |
| |
| enum RTCCertificateGenerationMethod { ALREADY_GENERATED, DTLS_IDENTITY_STORE }; |
| |
| class MockIceObserver : public webrtc::IceObserver { |
| public: |
| MockIceObserver() |
| : oncandidatesready_(false), |
| ice_connection_state_(PeerConnectionInterface::kIceConnectionNew), |
| ice_gathering_state_(PeerConnectionInterface::kIceGatheringNew) { |
| } |
| |
| virtual ~MockIceObserver() = default; |
| |
| void OnIceConnectionStateChange( |
| PeerConnectionInterface::IceConnectionState new_state) override { |
| ice_connection_state_ = new_state; |
| ice_connection_state_history_.push_back(new_state); |
| } |
| void OnIceGatheringChange( |
| PeerConnectionInterface::IceGatheringState new_state) override { |
| // We can never transition back to "new". |
| EXPECT_NE(PeerConnectionInterface::kIceGatheringNew, new_state); |
| ice_gathering_state_ = new_state; |
| oncandidatesready_ = |
| new_state == PeerConnectionInterface::kIceGatheringComplete; |
| } |
| |
| // Found a new candidate. |
| void OnIceCandidate( |
| std::unique_ptr<webrtc::IceCandidateInterface> candidate) override { |
| switch (candidate->sdp_mline_index()) { |
| case kMediaContentIndex0: |
| mline_0_candidates_.push_back(candidate->candidate()); |
| break; |
| case kMediaContentIndex1: |
| mline_1_candidates_.push_back(candidate->candidate()); |
| break; |
| default: |
| RTC_NOTREACHED(); |
| } |
| |
| // The ICE gathering state should always be Gathering when a candidate is |
| // received (or possibly Completed in the case of the final candidate). |
| EXPECT_NE(PeerConnectionInterface::kIceGatheringNew, ice_gathering_state_); |
| } |
| |
| // Some local candidates are removed. |
| void OnIceCandidatesRemoved( |
| const std::vector<cricket::Candidate>& candidates) override { |
| num_candidates_removed_ += candidates.size(); |
| } |
| |
| bool oncandidatesready_; |
| std::vector<cricket::Candidate> mline_0_candidates_; |
| std::vector<cricket::Candidate> mline_1_candidates_; |
| PeerConnectionInterface::IceConnectionState ice_connection_state_; |
| PeerConnectionInterface::IceGatheringState ice_gathering_state_; |
| std::vector<PeerConnectionInterface::IceConnectionState> |
| ice_connection_state_history_; |
| size_t num_candidates_removed_ = 0; |
| }; |
| |
| // Used for tests in this file to verify that WebRtcSession responds to signals |
| // from the SctpTransport correctly, and calls Start with the correct |
| // local/remote ports. |
| class FakeSctpTransport : public cricket::SctpTransportInternal { |
| public: |
| void SetTransportChannel(rtc::PacketTransportInternal* channel) override {} |
| bool Start(int local_port, int remote_port) override { |
| local_port_ = local_port; |
| remote_port_ = remote_port; |
| return true; |
| } |
| bool OpenStream(int sid) override { return true; } |
| bool ResetStream(int sid) override { return true; } |
| bool SendData(const cricket::SendDataParams& params, |
| const rtc::CopyOnWriteBuffer& payload, |
| cricket::SendDataResult* result = nullptr) override { |
| return true; |
| } |
| bool ReadyToSendData() override { return true; } |
| void set_debug_name_for_testing(const char* debug_name) override {} |
| |
| int local_port() const { return local_port_; } |
| int remote_port() const { return remote_port_; } |
| |
| private: |
| int local_port_ = -1; |
| int remote_port_ = -1; |
| }; |
| |
| class FakeSctpTransportFactory : public cricket::SctpTransportInternalFactory { |
| public: |
| std::unique_ptr<cricket::SctpTransportInternal> CreateSctpTransport( |
| rtc::PacketTransportInternal*) override { |
| last_fake_sctp_transport_ = new FakeSctpTransport(); |
| return std::unique_ptr<cricket::SctpTransportInternal>( |
| last_fake_sctp_transport_); |
| } |
| |
| FakeSctpTransport* last_fake_sctp_transport() { |
| return last_fake_sctp_transport_; |
| } |
| |
| private: |
| FakeSctpTransport* last_fake_sctp_transport_ = nullptr; |
| }; |
| |
| class WebRtcSessionForTest : public webrtc::WebRtcSession { |
| public: |
| WebRtcSessionForTest( |
| webrtc::Call* fake_call, |
| cricket::ChannelManager* channel_manager, |
| const cricket::MediaConfig& media_config, |
| webrtc::RtcEventLog* event_log, |
| rtc::Thread* network_thread, |
| rtc::Thread* worker_thread, |
| rtc::Thread* signaling_thread, |
| cricket::PortAllocator* port_allocator, |
| webrtc::IceObserver* ice_observer, |
| std::unique_ptr<cricket::TransportController> transport_controller, |
| std::unique_ptr<FakeSctpTransportFactory> sctp_factory) |
| : WebRtcSession(fake_call, channel_manager, media_config, event_log, |
| network_thread, |
| worker_thread, |
| signaling_thread, |
| port_allocator, |
| std::move(transport_controller), |
| std::move(sctp_factory)) { |
| RegisterIceObserver(ice_observer); |
| } |
| virtual ~WebRtcSessionForTest() {} |
| |
| // Note that these methods are only safe to use if the signaling thread |
| // is the same as the worker thread |
| rtc::PacketTransportInternal* voice_rtp_transport_channel() { |
| return rtp_transport_channel(voice_channel()); |
| } |
| |
| rtc::PacketTransportInternal* voice_rtcp_transport_channel() { |
| return rtcp_transport_channel(voice_channel()); |
| } |
| |
| rtc::PacketTransportInternal* video_rtp_transport_channel() { |
| return rtp_transport_channel(video_channel()); |
| } |
| |
| rtc::PacketTransportInternal* video_rtcp_transport_channel() { |
| return rtcp_transport_channel(video_channel()); |
| } |
| |
| private: |
| rtc::PacketTransportInternal* rtp_transport_channel( |
| cricket::BaseChannel* ch) { |
| if (!ch) { |
| return nullptr; |
| } |
| return ch->rtp_dtls_transport(); |
| } |
| |
| rtc::PacketTransportInternal* rtcp_transport_channel( |
| cricket::BaseChannel* ch) { |
| if (!ch) { |
| return nullptr; |
| } |
| return ch->rtcp_dtls_transport(); |
| } |
| }; |
| |
| class WebRtcSessionCreateSDPObserverForTest |
| : public rtc::RefCountedObject<CreateSessionDescriptionObserver> { |
| public: |
| enum State { |
| kInit, |
| kFailed, |
| kSucceeded, |
| }; |
| WebRtcSessionCreateSDPObserverForTest() : state_(kInit) {} |
| |
| // CreateSessionDescriptionObserver implementation. |
| virtual void OnSuccess(SessionDescriptionInterface* desc) { |
| description_.reset(desc); |
| state_ = kSucceeded; |
| } |
| virtual void OnFailure(const std::string& error) { |
| state_ = kFailed; |
| } |
| |
| SessionDescriptionInterface* description() { return description_.get(); } |
| |
| SessionDescriptionInterface* ReleaseDescription() { |
| return description_.release(); |
| } |
| |
| State state() const { return state_; } |
| |
| protected: |
| ~WebRtcSessionCreateSDPObserverForTest() {} |
| |
| private: |
| std::unique_ptr<SessionDescriptionInterface> description_; |
| State state_; |
| }; |
| |
| class FakeAudioSource : public cricket::AudioSource { |
| public: |
| FakeAudioSource() : sink_(NULL) {} |
| virtual ~FakeAudioSource() { |
| if (sink_) |
| sink_->OnClose(); |
| } |
| |
| void SetSink(Sink* sink) override { sink_ = sink; } |
| |
| const cricket::AudioSource::Sink* sink() const { return sink_; } |
| |
| private: |
| cricket::AudioSource::Sink* sink_; |
| }; |
| |
| class WebRtcSessionTest |
| : public testing::TestWithParam<RTCCertificateGenerationMethod>, |
| public sigslot::has_slots<> { |
| protected: |
| // TODO Investigate why ChannelManager crashes, if it's created |
| // after stun_server. |
| WebRtcSessionTest() |
| : vss_(new rtc::VirtualSocketServer()), |
| fss_(new rtc::FirewallSocketServer(vss_.get())), |
| thread_(fss_.get()), |
| media_engine_(new cricket::FakeMediaEngine()), |
| data_engine_(new cricket::FakeDataEngine()), |
| channel_manager_(new cricket::ChannelManager( |
| std::unique_ptr<cricket::MediaEngineInterface>(media_engine_), |
| std::unique_ptr<cricket::DataEngineInterface>(data_engine_), |
| rtc::Thread::Current())), |
| fake_call_(webrtc::Call::Config(&event_log_)), |
| tdesc_factory_(new cricket::TransportDescriptionFactory()), |
| desc_factory_( |
| new cricket::MediaSessionDescriptionFactory(channel_manager_.get(), |
| tdesc_factory_.get())), |
| stun_socket_addr_( |
| rtc::SocketAddress(kStunAddrHost, cricket::STUN_SERVER_PORT)), |
| stun_server_(cricket::TestStunServer::Create(Thread::Current(), |
| stun_socket_addr_)), |
| turn_server_(Thread::Current(), kTurnUdpIntAddr, kTurnUdpExtAddr), |
| metrics_observer_(new rtc::RefCountedObject<FakeMetricsObserver>()) { |
| cricket::ServerAddresses stun_servers; |
| stun_servers.insert(stun_socket_addr_); |
| allocator_.reset(new cricket::BasicPortAllocator( |
| &network_manager_, |
| stun_servers, |
| SocketAddress(), SocketAddress(), SocketAddress())); |
| allocator_->set_flags(cricket::PORTALLOCATOR_DISABLE_TCP | |
| cricket::PORTALLOCATOR_DISABLE_RELAY); |
| EXPECT_TRUE(channel_manager_->Init()); |
| allocator_->set_step_delay(cricket::kMinimumStepDelay); |
| } |
| |
| void AddInterface(const SocketAddress& addr) { |
| network_manager_.AddInterface(addr); |
| } |
| void RemoveInterface(const SocketAddress& addr) { |
| network_manager_.RemoveInterface(addr); |
| } |
| |
| // If |cert_generator| != null or |rtc_configuration| contains |certificates| |
| // then DTLS will be enabled unless explicitly disabled by |rtc_configuration| |
| // options. When DTLS is enabled a certificate will be used if provided, |
| // otherwise one will be generated using the |cert_generator|. |
| void Init( |
| std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator, |
| PeerConnectionInterface::RtcpMuxPolicy rtcp_mux_policy, |
| const rtc::CryptoOptions& crypto_options) { |
| ASSERT_TRUE(session_.get() == NULL); |
| fake_sctp_transport_factory_ = new FakeSctpTransportFactory(); |
| session_.reset(new WebRtcSessionForTest(&fake_call_, |
| channel_manager_.get(), cricket::MediaConfig(), &event_log_, |
| rtc::Thread::Current(), rtc::Thread::Current(), |
| rtc::Thread::Current(), allocator_.get(), &observer_, |
| std::unique_ptr<cricket::TransportController>( |
| new cricket::TransportController( |
| rtc::Thread::Current(), rtc::Thread::Current(), |
| allocator_.get(), |
| /*redetermine_role_on_ice_restart=*/true, crypto_options)), |
| std::unique_ptr<FakeSctpTransportFactory>( |
| fake_sctp_transport_factory_))); |
| session_->SignalDataChannelOpenMessage.connect( |
| this, &WebRtcSessionTest::OnDataChannelOpenMessage); |
| |
| configuration_.rtcp_mux_policy = rtcp_mux_policy; |
| EXPECT_EQ(PeerConnectionInterface::kIceConnectionNew, |
| observer_.ice_connection_state_); |
| EXPECT_EQ(PeerConnectionInterface::kIceGatheringNew, |
| observer_.ice_gathering_state_); |
| |
| EXPECT_TRUE(session_->Initialize(options_, std::move(cert_generator), |
| configuration_)); |
| session_->set_metrics_observer(metrics_observer_); |
| crypto_options_ = crypto_options; |
| } |
| |
| void OnDataChannelOpenMessage(const std::string& label, |
| const InternalDataChannelInit& config) { |
| last_data_channel_label_ = label; |
| last_data_channel_config_ = config; |
| } |
| |
| void Init() { |
| Init(nullptr, PeerConnectionInterface::kRtcpMuxPolicyNegotiate, |
| rtc::CryptoOptions()); |
| } |
| |
| void InitWithBundlePolicy( |
| PeerConnectionInterface::BundlePolicy bundle_policy) { |
| configuration_.bundle_policy = bundle_policy; |
| Init(); |
| } |
| |
| void InitWithRtcpMuxPolicy( |
| PeerConnectionInterface::RtcpMuxPolicy rtcp_mux_policy) { |
| PeerConnectionInterface::RTCConfiguration configuration; |
| Init(nullptr, rtcp_mux_policy, rtc::CryptoOptions()); |
| } |
| |
| void InitWithCryptoOptions(const rtc::CryptoOptions& crypto_options) { |
| Init(nullptr, PeerConnectionInterface::kRtcpMuxPolicyNegotiate, |
| crypto_options); |
| } |
| |
| // Successfully init with DTLS; with a certificate generated and supplied or |
| // with a store that generates it for us. |
| void InitWithDtls(RTCCertificateGenerationMethod cert_gen_method) { |
| std::unique_ptr<FakeRTCCertificateGenerator> cert_generator; |
| if (cert_gen_method == ALREADY_GENERATED) { |
| configuration_.certificates.push_back( |
| FakeRTCCertificateGenerator::GenerateCertificate()); |
| } else if (cert_gen_method == DTLS_IDENTITY_STORE) { |
| cert_generator.reset(new FakeRTCCertificateGenerator()); |
| cert_generator->set_should_fail(false); |
| } else { |
| RTC_CHECK(false); |
| } |
| Init(std::move(cert_generator), |
| PeerConnectionInterface::kRtcpMuxPolicyNegotiate, |
| rtc::CryptoOptions()); |
| } |
| |
| // Init with DTLS with a store that will fail to generate a certificate. |
| void InitWithDtlsIdentityGenFail() { |
| std::unique_ptr<FakeRTCCertificateGenerator> cert_generator( |
| new FakeRTCCertificateGenerator()); |
| cert_generator->set_should_fail(true); |
| Init(std::move(cert_generator), |
| PeerConnectionInterface::kRtcpMuxPolicyNegotiate, |
| rtc::CryptoOptions()); |
| } |
| |
| void InitWithGcm() { |
| rtc::CryptoOptions crypto_options; |
| crypto_options.enable_gcm_crypto_suites = true; |
| InitWithCryptoOptions(crypto_options); |
| } |
| |
| // The following convenience functions can be applied for both local side and |
| // remote side. The flags can be overwritten for different use cases. |
| void SendAudioVideoStream1() { |
| send_stream_1_ = true; |
| send_stream_2_ = false; |
| local_send_audio_ = true; |
| local_send_video_ = true; |
| remote_send_audio_ = true; |
| remote_send_video_ = true; |
| } |
| |
| void SendAudioVideoStream2() { |
| send_stream_1_ = false; |
| send_stream_2_ = true; |
| local_send_audio_ = true; |
| local_send_video_ = true; |
| remote_send_audio_ = true; |
| remote_send_video_ = true; |
| } |
| |
| void SendAudioVideoStream1And2() { |
| send_stream_1_ = true; |
| send_stream_2_ = true; |
| local_send_audio_ = true; |
| local_send_video_ = true; |
| remote_send_audio_ = true; |
| remote_send_video_ = true; |
| } |
| |
| void SendNothing() { |
| send_stream_1_ = false; |
| send_stream_2_ = false; |
| local_send_audio_ = false; |
| local_send_video_ = false; |
| remote_send_audio_ = false; |
| remote_send_video_ = false; |
| } |
| |
| void SendAudioOnlyStream2() { |
| send_stream_1_ = false; |
| send_stream_2_ = true; |
| local_send_audio_ = true; |
| local_send_video_ = false; |
| remote_send_audio_ = true; |
| remote_send_video_ = false; |
| } |
| |
| void SendVideoOnlyStream2() { |
| send_stream_1_ = false; |
| send_stream_2_ = true; |
| local_send_audio_ = false; |
| local_send_video_ = true; |
| remote_send_audio_ = false; |
| remote_send_video_ = true; |
| } |
| |
| // Helper function used to add a specific media section to the |
| // |session_options|. |
| void AddMediaSection(cricket::MediaType type, |
| const std::string& mid, |
| cricket::MediaContentDirection direction, |
| bool stopped, |
| cricket::MediaSessionOptions* opts) { |
| opts->media_description_options.push_back(cricket::MediaDescriptionOptions( |
| type, mid, |
| cricket::RtpTransceiverDirection::FromMediaContentDirection(direction), |
| stopped)); |
| } |
| |
| // Add the media sections to the options from |offered_media_sections_| when |
| // creating an answer or a new offer. |
| // This duplicates a lot of logic from PeerConnection but this can be fixed |
| // when PeerConnection and WebRtcSession are merged. |
| void AddExistingMediaSectionsAndSendersToOptions( |
| cricket::MediaSessionOptions* session_options, |
| bool send_audio, |
| bool recv_audio, |
| bool send_video, |
| bool recv_video) { |
| int num_sim_layer = 1; |
| for (auto media_description_options : offered_media_sections_) { |
| if (media_description_options.type == cricket::MEDIA_TYPE_AUDIO) { |
| bool stopped = !send_audio && !recv_audio; |
| auto media_desc_options = cricket::MediaDescriptionOptions( |
| cricket::MEDIA_TYPE_AUDIO, media_description_options.mid, |
| cricket::RtpTransceiverDirection(send_audio, recv_audio), stopped); |
| if (send_stream_1_ && send_audio) { |
| media_desc_options.AddAudioSender(kAudioTrack1, kStream1); |
| } |
| if (send_stream_2_ && send_audio) { |
| media_desc_options.AddAudioSender(kAudioTrack2, kStream2); |
| } |
| session_options->media_description_options.push_back( |
| media_desc_options); |
| } else if (media_description_options.type == cricket::MEDIA_TYPE_VIDEO) { |
| bool stopped = !send_video && !recv_video; |
| auto media_desc_options = cricket::MediaDescriptionOptions( |
| cricket::MEDIA_TYPE_VIDEO, media_description_options.mid, |
| cricket::RtpTransceiverDirection(send_video, recv_video), stopped); |
| if (send_stream_1_ && send_video) { |
| media_desc_options.AddVideoSender(kVideoTrack1, kStream1, |
| num_sim_layer); |
| } |
| if (send_stream_2_ && send_video) { |
| media_desc_options.AddVideoSender(kVideoTrack2, kStream2, |
| num_sim_layer); |
| } |
| session_options->media_description_options.push_back( |
| media_desc_options); |
| } else if (media_description_options.type == cricket::MEDIA_TYPE_DATA) { |
| session_options->media_description_options.push_back( |
| cricket::MediaDescriptionOptions( |
| cricket::MEDIA_TYPE_DATA, media_description_options.mid, |
| // Direction for data sections is meaningless, but legacy |
| // endpoints might expect sendrecv. |
| cricket::RtpTransceiverDirection(true, true), false)); |
| } else { |
| RTC_NOTREACHED(); |
| } |
| } |
| } |
| |
| // Add the existing media sections first and then add new media sections if |
| // needed. |
| void AddMediaSectionsAndSendersToOptions( |
| cricket::MediaSessionOptions* session_options, |
| bool send_audio, |
| bool recv_audio, |
| bool send_video, |
| bool recv_video) { |
| AddExistingMediaSectionsAndSendersToOptions( |
| session_options, send_audio, recv_audio, send_video, recv_video); |
| |
| if (!session_options->has_audio() && (send_audio || recv_audio)) { |
| cricket::MediaDescriptionOptions media_desc_options = |
| cricket::MediaDescriptionOptions( |
| cricket::MEDIA_TYPE_AUDIO, cricket::CN_AUDIO, |
| cricket::RtpTransceiverDirection(send_audio, recv_audio), |
| kActive); |
| if (send_stream_1_ && send_audio) { |
| media_desc_options.AddAudioSender(kAudioTrack1, kStream1); |
| } |
| if (send_stream_2_ && send_audio) { |
| media_desc_options.AddAudioSender(kAudioTrack2, kStream2); |
| } |
| session_options->media_description_options.push_back(media_desc_options); |
| offered_media_sections_.push_back(media_desc_options); |
| } |
| |
| if (!session_options->has_video() && (send_video || recv_video)) { |
| cricket::MediaDescriptionOptions media_desc_options = |
| cricket::MediaDescriptionOptions( |
| cricket::MEDIA_TYPE_VIDEO, cricket::CN_VIDEO, |
| cricket::RtpTransceiverDirection(send_video, recv_video), |
| kActive); |
| int num_sim_layer = 1; |
| if (send_stream_1_ && send_video) { |
| media_desc_options.AddVideoSender(kVideoTrack1, kStream1, |
| num_sim_layer); |
| } |
| if (send_stream_2_ && send_video) { |
| media_desc_options.AddVideoSender(kVideoTrack2, kStream2, |
| num_sim_layer); |
| } |
| session_options->media_description_options.push_back(media_desc_options); |
| offered_media_sections_.push_back(media_desc_options); |
| } |
| |
| if (!session_options->has_data() && |
| (data_channel_ || |
| session_options->data_channel_type != cricket::DCT_NONE)) { |
| cricket::MediaDescriptionOptions media_desc_options = |
| cricket::MediaDescriptionOptions( |
| cricket::MEDIA_TYPE_DATA, cricket::CN_DATA, |
| cricket::RtpTransceiverDirection(true, true), kActive); |
| if (session_options->data_channel_type == cricket::DCT_RTP) { |
| media_desc_options.AddRtpDataChannel(data_channel_->label(), |
| data_channel_->label()); |
| } |
| session_options->media_description_options.push_back(media_desc_options); |
| offered_media_sections_.push_back(media_desc_options); |
| } |
| } |
| |
| void GetOptionsForOffer( |
| const PeerConnectionInterface::RTCOfferAnswerOptions& rtc_options, |
| cricket::MediaSessionOptions* session_options) { |
| ExtractSharedMediaSessionOptions(rtc_options, session_options); |
| |
| // |recv_X| is true by default if |offer_to_receive_X| is undefined. |
| bool recv_audio = rtc_options.offer_to_receive_audio != 0; |
| bool recv_video = rtc_options.offer_to_receive_video != 0; |
| |
| AddMediaSectionsAndSendersToOptions(session_options, local_send_audio_, |
| recv_audio, local_send_video_, |
| recv_video); |
| session_options->bundle_enabled = |
| session_options->bundle_enabled && |
| (session_options->has_audio() || session_options->has_video() || |
| session_options->has_data()); |
| |
| session_options->crypto_options = crypto_options_; |
| } |
| |
| void GetOptionsForAnswer(cricket::MediaSessionOptions* session_options) { |
| AddExistingMediaSectionsAndSendersToOptions( |
| session_options, local_send_audio_, local_recv_audio_, |
| local_send_video_, local_recv_video_); |
| |
| session_options->bundle_enabled = |
| session_options->bundle_enabled && |
| (session_options->has_audio() || session_options->has_video() || |
| session_options->has_data()); |
| |
| if (session_->data_channel_type() != cricket::DCT_RTP) { |
| session_options->data_channel_type = session_->data_channel_type(); |
| } |
| |
| session_options->crypto_options = crypto_options_; |
| } |
| |
| void GetOptionsForRemoteAnswer( |
| cricket::MediaSessionOptions* session_options) { |
| bool recv_audio = local_send_audio_ || remote_recv_audio_; |
| bool recv_video = local_send_video_ || remote_recv_video_; |
| bool send_audio = false; |
| bool send_video = false; |
| |
| AddExistingMediaSectionsAndSendersToOptions( |
| session_options, send_audio, recv_audio, send_video, recv_video); |
| |
| session_options->bundle_enabled = |
| session_options->bundle_enabled && |
| (session_options->has_audio() || session_options->has_video() || |
| session_options->has_data()); |
| |
| if (session_->data_channel_type() != cricket::DCT_RTP) { |
| session_options->data_channel_type = session_->data_channel_type(); |
| } |
| |
| session_options->crypto_options = crypto_options_; |
| } |
| |
| void GetOptionsForAudioOnlyRemoteOffer( |
| cricket::MediaSessionOptions* session_options) { |
| remote_recv_audio_ = true; |
| remote_recv_video_ = false; |
| GetOptionsForRemoteOffer(session_options); |
| } |
| |
| void GetOptionsForRemoteOffer(cricket::MediaSessionOptions* session_options) { |
| AddMediaSectionsAndSendersToOptions(session_options, remote_send_audio_, |
| remote_recv_audio_, remote_send_video_, |
| remote_recv_video_); |
| session_options->bundle_enabled = |
| (session_options->has_audio() || session_options->has_video() || |
| session_options->has_data()); |
| |
| if (session_->data_channel_type() != cricket::DCT_RTP) { |
| session_options->data_channel_type = session_->data_channel_type(); |
| } |
| |
| session_options->crypto_options = crypto_options_; |
| } |
| |
| // Creates a local offer and applies it. Starts ICE. |
| // Call SendAudioVideoStreamX() before this function |
| // to decide which streams to create. |
| void InitiateCall() { |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer); |
| EXPECT_TRUE_WAIT(PeerConnectionInterface::kIceGatheringNew != |
| observer_.ice_gathering_state_, |
| kIceCandidatesTimeout); |
| } |
| |
| SessionDescriptionInterface* CreateOffer() { |
| PeerConnectionInterface::RTCOfferAnswerOptions options; |
| options.offer_to_receive_audio = |
| RTCOfferAnswerOptions::kOfferToReceiveMediaTrue; |
| return CreateOffer(options); |
| } |
| |
| SessionDescriptionInterface* CreateOffer( |
| const PeerConnectionInterface::RTCOfferAnswerOptions options) { |
| rtc::scoped_refptr<WebRtcSessionCreateSDPObserverForTest> |
| observer = new WebRtcSessionCreateSDPObserverForTest(); |
| cricket::MediaSessionOptions session_options; |
| GetOptionsForOffer(options, &session_options); |
| session_->CreateOffer(observer, options, session_options); |
| EXPECT_TRUE_WAIT( |
| observer->state() != WebRtcSessionCreateSDPObserverForTest::kInit, |
| 2000); |
| return observer->ReleaseDescription(); |
| } |
| |
| SessionDescriptionInterface* CreateAnswer( |
| const cricket::MediaSessionOptions& options) { |
| rtc::scoped_refptr<WebRtcSessionCreateSDPObserverForTest> observer |
| = new WebRtcSessionCreateSDPObserverForTest(); |
| cricket::MediaSessionOptions session_options = options; |
| GetOptionsForAnswer(&session_options); |
| session_->CreateAnswer(observer, session_options); |
| EXPECT_TRUE_WAIT( |
| observer->state() != WebRtcSessionCreateSDPObserverForTest::kInit, |
| 2000); |
| return observer->ReleaseDescription(); |
| } |
| |
| SessionDescriptionInterface* CreateAnswer() { |
| cricket::MediaSessionOptions options; |
| options.bundle_enabled = true; |
| return CreateAnswer(options); |
| } |
| |
| bool ChannelsExist() const { |
| return (session_->voice_channel() != NULL && |
| session_->video_channel() != NULL); |
| } |
| |
| void VerifyCryptoParams(const cricket::SessionDescription* sdp, |
| bool gcm_enabled = false) { |
| ASSERT_TRUE(session_.get() != NULL); |
| const cricket::ContentInfo* content = cricket::GetFirstAudioContent(sdp); |
| ASSERT_TRUE(content != NULL); |
| const cricket::AudioContentDescription* audio_content = |
| static_cast<const cricket::AudioContentDescription*>( |
| content->description); |
| ASSERT_TRUE(audio_content != NULL); |
| if (!gcm_enabled) { |
| ASSERT_EQ(1U, audio_content->cryptos().size()); |
| ASSERT_EQ(47U, audio_content->cryptos()[0].key_params.size()); |
| ASSERT_EQ("AES_CM_128_HMAC_SHA1_80", |
| audio_content->cryptos()[0].cipher_suite); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), |
| audio_content->protocol()); |
| } else { |
| // The offer contains 3 possible crypto suites, the answer 1. |
| EXPECT_LE(1U, audio_content->cryptos().size()); |
| EXPECT_NE(2U, audio_content->cryptos().size()); |
| EXPECT_GE(3U, audio_content->cryptos().size()); |
| ASSERT_EQ(67U, audio_content->cryptos()[0].key_params.size()); |
| ASSERT_EQ("AEAD_AES_256_GCM", |
| audio_content->cryptos()[0].cipher_suite); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), |
| audio_content->protocol()); |
| } |
| |
| content = cricket::GetFirstVideoContent(sdp); |
| ASSERT_TRUE(content != NULL); |
| const cricket::VideoContentDescription* video_content = |
| static_cast<const cricket::VideoContentDescription*>( |
| content->description); |
| ASSERT_TRUE(video_content != NULL); |
| if (!gcm_enabled) { |
| ASSERT_EQ(1U, video_content->cryptos().size()); |
| ASSERT_EQ("AES_CM_128_HMAC_SHA1_80", |
| video_content->cryptos()[0].cipher_suite); |
| ASSERT_EQ(47U, video_content->cryptos()[0].key_params.size()); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), |
| video_content->protocol()); |
| } else { |
| // The offer contains 3 possible crypto suites, the answer 1. |
| EXPECT_LE(1U, video_content->cryptos().size()); |
| EXPECT_NE(2U, video_content->cryptos().size()); |
| EXPECT_GE(3U, video_content->cryptos().size()); |
| ASSERT_EQ("AEAD_AES_256_GCM", |
| video_content->cryptos()[0].cipher_suite); |
| ASSERT_EQ(67U, video_content->cryptos()[0].key_params.size()); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), |
| video_content->protocol()); |
| } |
| } |
| |
| void VerifyNoCryptoParams(const cricket::SessionDescription* sdp, bool dtls) { |
| const cricket::ContentInfo* content = cricket::GetFirstAudioContent(sdp); |
| ASSERT_TRUE(content != NULL); |
| const cricket::AudioContentDescription* audio_content = |
| static_cast<const cricket::AudioContentDescription*>( |
| content->description); |
| ASSERT_TRUE(audio_content != NULL); |
| ASSERT_EQ(0U, audio_content->cryptos().size()); |
| |
| content = cricket::GetFirstVideoContent(sdp); |
| ASSERT_TRUE(content != NULL); |
| const cricket::VideoContentDescription* video_content = |
| static_cast<const cricket::VideoContentDescription*>( |
| content->description); |
| ASSERT_TRUE(video_content != NULL); |
| ASSERT_EQ(0U, video_content->cryptos().size()); |
| |
| if (dtls) { |
| EXPECT_EQ(std::string(cricket::kMediaProtocolDtlsSavpf), |
| audio_content->protocol()); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolDtlsSavpf), |
| video_content->protocol()); |
| } else { |
| EXPECT_EQ(std::string(cricket::kMediaProtocolAvpf), |
| audio_content->protocol()); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolAvpf), |
| video_content->protocol()); |
| } |
| } |
| |
| // Set the internal fake description factories to do DTLS-SRTP. |
| void SetFactoryDtlsSrtp() { |
| desc_factory_->set_secure(cricket::SEC_DISABLED); |
| std::string identity_name = "WebRTC" + |
| rtc::ToString(rtc::CreateRandomId()); |
| // Confirmed to work with KT_RSA and KT_ECDSA. |
| tdesc_factory_->set_certificate( |
| rtc::RTCCertificate::Create(std::unique_ptr<rtc::SSLIdentity>( |
| rtc::SSLIdentity::Generate(identity_name, rtc::KT_DEFAULT)))); |
| tdesc_factory_->set_secure(cricket::SEC_REQUIRED); |
| } |
| |
| void VerifyFingerprintStatus(const cricket::SessionDescription* sdp, |
| bool expected) { |
| const TransportInfo* audio = sdp->GetTransportInfoByName("audio"); |
| ASSERT_TRUE(audio != NULL); |
| ASSERT_EQ(expected, audio->description.identity_fingerprint.get() != NULL); |
| const TransportInfo* video = sdp->GetTransportInfoByName("video"); |
| ASSERT_TRUE(video != NULL); |
| ASSERT_EQ(expected, video->description.identity_fingerprint.get() != NULL); |
| } |
| |
| void VerifyAnswerFromNonCryptoOffer() { |
| // Create an SDP without Crypto. |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| JsepSessionDescription* offer( |
| CreateRemoteOffer(options, cricket::SEC_DISABLED)); |
| ASSERT_TRUE(offer != NULL); |
| VerifyNoCryptoParams(offer->description(), false); |
| SetRemoteDescriptionOfferExpectError(kSdpWithoutSdesCrypto, |
| offer); |
| const webrtc::SessionDescriptionInterface* answer = CreateAnswer(); |
| // Answer should be NULL as no crypto params in offer. |
| ASSERT_TRUE(answer == NULL); |
| } |
| |
| void VerifyAnswerFromCryptoOffer() { |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| options.bundle_enabled = true; |
| std::unique_ptr<JsepSessionDescription> offer( |
| CreateRemoteOffer(options, cricket::SEC_REQUIRED)); |
| ASSERT_TRUE(offer.get() != NULL); |
| VerifyCryptoParams(offer->description()); |
| SetRemoteDescriptionWithoutError(offer.release()); |
| std::unique_ptr<SessionDescriptionInterface> answer(CreateAnswer()); |
| ASSERT_TRUE(answer.get() != NULL); |
| VerifyCryptoParams(answer->description()); |
| } |
| |
| bool IceUfragPwdEqual(const cricket::SessionDescription* desc1, |
| const cricket::SessionDescription* desc2) { |
| if (desc1->contents().size() != desc2->contents().size()) { |
| return false; |
| } |
| |
| const cricket::ContentInfos& contents = desc1->contents(); |
| cricket::ContentInfos::const_iterator it = contents.begin(); |
| |
| for (; it != contents.end(); ++it) { |
| const cricket::TransportDescription* transport_desc1 = |
| desc1->GetTransportDescriptionByName(it->name); |
| const cricket::TransportDescription* transport_desc2 = |
| desc2->GetTransportDescriptionByName(it->name); |
| if (!transport_desc1 || !transport_desc2) { |
| return false; |
| } |
| if (transport_desc1->ice_pwd != transport_desc2->ice_pwd || |
| transport_desc1->ice_ufrag != transport_desc2->ice_ufrag) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| // Compares ufrag/password only for the specified |media_type|. |
| bool IceUfragPwdEqual(const cricket::SessionDescription* desc1, |
| const cricket::SessionDescription* desc2, |
| cricket::MediaType media_type) { |
| if (desc1->contents().size() != desc2->contents().size()) { |
| return false; |
| } |
| |
| const cricket::ContentInfo* cinfo = |
| cricket::GetFirstMediaContent(desc1->contents(), media_type); |
| const cricket::TransportDescription* transport_desc1 = |
| desc1->GetTransportDescriptionByName(cinfo->name); |
| const cricket::TransportDescription* transport_desc2 = |
| desc2->GetTransportDescriptionByName(cinfo->name); |
| if (!transport_desc1 || !transport_desc2) { |
| return false; |
| } |
| if (transport_desc1->ice_pwd != transport_desc2->ice_pwd || |
| transport_desc1->ice_ufrag != transport_desc2->ice_ufrag) { |
| return false; |
| } |
| return true; |
| } |
| |
| void RemoveIceUfragPwdLines(const SessionDescriptionInterface* current_desc, |
| std::string *sdp) { |
| const cricket::SessionDescription* desc = current_desc->description(); |
| EXPECT_TRUE(current_desc->ToString(sdp)); |
| |
| const cricket::ContentInfos& contents = desc->contents(); |
| cricket::ContentInfos::const_iterator it = contents.begin(); |
| // Replace ufrag and pwd lines with empty strings. |
| for (; it != contents.end(); ++it) { |
| const cricket::TransportDescription* transport_desc = |
| desc->GetTransportDescriptionByName(it->name); |
| std::string ufrag_line = "a=ice-ufrag:" + transport_desc->ice_ufrag |
| + "\r\n"; |
| std::string pwd_line = "a=ice-pwd:" + transport_desc->ice_pwd |
| + "\r\n"; |
| rtc::replace_substrs(ufrag_line.c_str(), ufrag_line.length(), |
| "", 0, |
| sdp); |
| rtc::replace_substrs(pwd_line.c_str(), pwd_line.length(), |
| "", 0, |
| sdp); |
| } |
| } |
| |
| void SetIceUfragPwd(SessionDescriptionInterface* current_desc, |
| const std::string& ufrag, |
| const std::string& pwd) { |
| cricket::SessionDescription* desc = current_desc->description(); |
| for (TransportInfo& transport_info : desc->transport_infos()) { |
| cricket::TransportDescription& transport_desc = |
| transport_info.description; |
| transport_desc.ice_ufrag = ufrag; |
| transport_desc.ice_pwd = pwd; |
| } |
| } |
| |
| // Sets ufrag/pwd for specified |media_type|. |
| void SetIceUfragPwd(SessionDescriptionInterface* current_desc, |
| cricket::MediaType media_type, |
| const std::string& ufrag, |
| const std::string& pwd) { |
| cricket::SessionDescription* desc = current_desc->description(); |
| const cricket::ContentInfo* cinfo = |
| cricket::GetFirstMediaContent(desc->contents(), media_type); |
| TransportInfo* transport_info = desc->GetTransportInfoByName(cinfo->name); |
| cricket::TransportDescription* transport_desc = |
| &transport_info->description; |
| transport_desc->ice_ufrag = ufrag; |
| transport_desc->ice_pwd = pwd; |
| } |
| |
| // Creates a remote offer and and applies it as a remote description, |
| // creates a local answer and applies is as a local description. |
| // Call SendAudioVideoStreamX() before this function |
| // to decide which local and remote streams to create. |
| void CreateAndSetRemoteOfferAndLocalAnswer() { |
| SessionDescriptionInterface* offer = CreateRemoteOffer(); |
| SetRemoteDescriptionWithoutError(offer); |
| SessionDescriptionInterface* answer = CreateAnswer(); |
| SetLocalDescriptionWithoutError(answer); |
| } |
| void SetLocalDescriptionWithoutError(SessionDescriptionInterface* desc) { |
| ASSERT_TRUE(session_->SetLocalDescription(desc, nullptr)); |
| session_->MaybeStartGathering(); |
| } |
| void SetLocalDescriptionExpectState(SessionDescriptionInterface* desc, |
| WebRtcSession::State expected_state) { |
| SetLocalDescriptionWithoutError(desc); |
| EXPECT_EQ(expected_state, session_->state()); |
| } |
| void SetLocalDescriptionExpectError(const std::string& action, |
| const std::string& expected_error, |
| SessionDescriptionInterface* desc) { |
| std::string error; |
| EXPECT_FALSE(session_->SetLocalDescription(desc, &error)); |
| std::string sdp_type = "local "; |
| sdp_type.append(action); |
| EXPECT_NE(std::string::npos, error.find(sdp_type)); |
| EXPECT_NE(std::string::npos, error.find(expected_error)); |
| } |
| void SetLocalDescriptionOfferExpectError(const std::string& expected_error, |
| SessionDescriptionInterface* desc) { |
| SetLocalDescriptionExpectError(SessionDescriptionInterface::kOffer, |
| expected_error, desc); |
| } |
| void SetLocalDescriptionAnswerExpectError(const std::string& expected_error, |
| SessionDescriptionInterface* desc) { |
| SetLocalDescriptionExpectError(SessionDescriptionInterface::kAnswer, |
| expected_error, desc); |
| } |
| void SetRemoteDescriptionWithoutError(SessionDescriptionInterface* desc) { |
| ASSERT_TRUE(session_->SetRemoteDescription(desc, nullptr)); |
| } |
| void SetRemoteDescriptionExpectState(SessionDescriptionInterface* desc, |
| WebRtcSession::State expected_state) { |
| SetRemoteDescriptionWithoutError(desc); |
| EXPECT_EQ(expected_state, session_->state()); |
| } |
| void SetRemoteDescriptionExpectError(const std::string& action, |
| const std::string& expected_error, |
| SessionDescriptionInterface* desc) { |
| std::string error; |
| EXPECT_FALSE(session_->SetRemoteDescription(desc, &error)); |
| std::string sdp_type = "remote "; |
| sdp_type.append(action); |
| EXPECT_NE(std::string::npos, error.find(sdp_type)); |
| EXPECT_NE(std::string::npos, error.find(expected_error)); |
| } |
| void SetRemoteDescriptionOfferExpectError( |
| const std::string& expected_error, SessionDescriptionInterface* desc) { |
| SetRemoteDescriptionExpectError(SessionDescriptionInterface::kOffer, |
| expected_error, desc); |
| } |
| void SetRemoteDescriptionPranswerExpectError( |
| const std::string& expected_error, SessionDescriptionInterface* desc) { |
| SetRemoteDescriptionExpectError(SessionDescriptionInterface::kPrAnswer, |
| expected_error, desc); |
| } |
| void SetRemoteDescriptionAnswerExpectError( |
| const std::string& expected_error, SessionDescriptionInterface* desc) { |
| SetRemoteDescriptionExpectError(SessionDescriptionInterface::kAnswer, |
| expected_error, desc); |
| } |
| |
| void CreateCryptoOfferAndNonCryptoAnswer(SessionDescriptionInterface** offer, |
| SessionDescriptionInterface** nocrypto_answer) { |
| // Create a SDP without Crypto. |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| options.bundle_enabled = true; |
| *offer = CreateRemoteOffer(options, cricket::SEC_ENABLED); |
| ASSERT_TRUE(*offer != NULL); |
| VerifyCryptoParams((*offer)->description()); |
| |
| cricket::MediaSessionOptions answer_options; |
| GetOptionsForRemoteAnswer(&answer_options); |
| *nocrypto_answer = |
| CreateRemoteAnswer(*offer, answer_options, cricket::SEC_DISABLED); |
| EXPECT_TRUE(*nocrypto_answer != NULL); |
| } |
| |
| void CreateDtlsOfferAndNonDtlsAnswer(SessionDescriptionInterface** offer, |
| SessionDescriptionInterface** nodtls_answer) { |
| cricket::MediaSessionOptions options; |
| AddMediaSection(cricket::MEDIA_TYPE_AUDIO, cricket::CN_AUDIO, |
| cricket::MD_RECVONLY, kActive, &options); |
| AddMediaSection(cricket::MEDIA_TYPE_VIDEO, cricket::CN_VIDEO, |
| cricket::MD_RECVONLY, kActive, &options); |
| options.bundle_enabled = true; |
| |
| std::unique_ptr<SessionDescriptionInterface> temp_offer( |
| CreateRemoteOffer(options, cricket::SEC_ENABLED)); |
| |
| *nodtls_answer = |
| CreateRemoteAnswer(temp_offer.get(), options, cricket::SEC_ENABLED); |
| EXPECT_TRUE(*nodtls_answer != NULL); |
| VerifyFingerprintStatus((*nodtls_answer)->description(), false); |
| VerifyCryptoParams((*nodtls_answer)->description()); |
| |
| SetFactoryDtlsSrtp(); |
| *offer = CreateRemoteOffer(options, cricket::SEC_ENABLED); |
| ASSERT_TRUE(*offer != NULL); |
| VerifyFingerprintStatus((*offer)->description(), true); |
| VerifyCryptoParams((*offer)->description()); |
| } |
| |
| JsepSessionDescription* CreateRemoteOfferWithVersion( |
| cricket::MediaSessionOptions options, |
| cricket::SecurePolicy secure_policy, |
| const std::string& session_version, |
| const SessionDescriptionInterface* current_desc) { |
| std::string session_id = rtc::ToString(rtc::CreateRandomId64()); |
| const cricket::SessionDescription* cricket_desc = NULL; |
| if (current_desc) { |
| cricket_desc = current_desc->description(); |
| session_id = current_desc->session_id(); |
| } |
| |
| desc_factory_->set_secure(secure_policy); |
| JsepSessionDescription* offer( |
| new JsepSessionDescription(JsepSessionDescription::kOffer)); |
| if (!offer->Initialize(desc_factory_->CreateOffer(options, cricket_desc), |
| session_id, session_version)) { |
| delete offer; |
| offer = NULL; |
| } |
| return offer; |
| } |
| JsepSessionDescription* CreateRemoteOffer( |
| cricket::MediaSessionOptions options) { |
| return CreateRemoteOfferWithVersion(options, cricket::SEC_ENABLED, |
| kSessionVersion, NULL); |
| } |
| JsepSessionDescription* CreateRemoteOffer( |
| cricket::MediaSessionOptions options, cricket::SecurePolicy sdes_policy) { |
| return CreateRemoteOfferWithVersion( |
| options, sdes_policy, kSessionVersion, NULL); |
| } |
| JsepSessionDescription* CreateRemoteOffer( |
| cricket::MediaSessionOptions options, |
| const SessionDescriptionInterface* current_desc) { |
| return CreateRemoteOfferWithVersion(options, cricket::SEC_ENABLED, |
| kSessionVersion, current_desc); |
| } |
| |
| JsepSessionDescription* CreateRemoteOfferWithSctpPort( |
| const char* sctp_stream_name, int new_port, |
| cricket::MediaSessionOptions options) { |
| options.data_channel_type = cricket::DCT_SCTP; |
| GetOptionsForRemoteOffer(&options); |
| return ChangeSDPSctpPort(new_port, CreateRemoteOffer(options)); |
| } |
| |
| // Takes ownership of offer_basis (and deletes it). |
| JsepSessionDescription* ChangeSDPSctpPort( |
| int new_port, webrtc::SessionDescriptionInterface *offer_basis) { |
| // Stringify the input SDP, swap the 5000 for 'new_port' and create a new |
| // SessionDescription from the mutated string. |
| const char* default_port_str = "5000"; |
| char new_port_str[16]; |
| rtc::sprintfn(new_port_str, sizeof(new_port_str), "%d", new_port); |
| std::string offer_str; |
| offer_basis->ToString(&offer_str); |
| rtc::replace_substrs(default_port_str, strlen(default_port_str), |
| new_port_str, strlen(new_port_str), |
| &offer_str); |
| JsepSessionDescription* offer = new JsepSessionDescription( |
| offer_basis->type()); |
| delete offer_basis; |
| offer->Initialize(offer_str, NULL); |
| return offer; |
| } |
| |
| // Create a remote offer. Call SendAudioVideoStreamX() |
| // before this function to decide which streams to create. |
| JsepSessionDescription* CreateRemoteOffer() { |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| return CreateRemoteOffer(options, session_->remote_description()); |
| } |
| |
| JsepSessionDescription* CreateRemoteAnswer( |
| const SessionDescriptionInterface* offer, |
| cricket::MediaSessionOptions options, |
| cricket::SecurePolicy policy) { |
| desc_factory_->set_secure(policy); |
| const std::string session_id = |
| rtc::ToString(rtc::CreateRandomId64()); |
| JsepSessionDescription* answer( |
| new JsepSessionDescription(JsepSessionDescription::kAnswer)); |
| if (!answer->Initialize(desc_factory_->CreateAnswer(offer->description(), |
| options, NULL), |
| session_id, kSessionVersion)) { |
| delete answer; |
| answer = NULL; |
| } |
| return answer; |
| } |
| |
| JsepSessionDescription* CreateRemoteAnswer( |
| const SessionDescriptionInterface* offer, |
| cricket::MediaSessionOptions options) { |
| return CreateRemoteAnswer(offer, options, cricket::SEC_REQUIRED); |
| } |
| |
| // Creates an answer session description. |
| // Call SendAudioVideoStreamX() before this function |
| // to decide which streams to create. |
| JsepSessionDescription* CreateRemoteAnswer( |
| const SessionDescriptionInterface* offer) { |
| cricket::MediaSessionOptions options; |
| GetOptionsForAnswer(&options); |
| options.bundle_enabled = true; |
| return CreateRemoteAnswer(offer, options, cricket::SEC_REQUIRED); |
| } |
| |
| void TestSessionCandidatesWithBundleRtcpMux(bool bundle, bool rtcp_mux) { |
| AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| Init(); |
| SendAudioVideoStream1(); |
| |
| PeerConnectionInterface::RTCOfferAnswerOptions options; |
| options.use_rtp_mux = bundle; |
| |
| SessionDescriptionInterface* offer = CreateOffer(options); |
| // SetLocalDescription and SetRemoteDescriptions takes ownership of offer |
| // and answer. |
| SetLocalDescriptionWithoutError(offer); |
| |
| std::unique_ptr<SessionDescriptionInterface> answer( |
| CreateRemoteAnswer(session_->local_description())); |
| std::string sdp; |
| EXPECT_TRUE(answer->ToString(&sdp)); |
| |
| size_t expected_candidate_num = 2; |
| if (!rtcp_mux) { |
| // If rtcp_mux is enabled we should expect 4 candidates - host and srflex |
| // for rtp and rtcp. |
| expected_candidate_num = 4; |
| // Disable rtcp-mux from the answer |
| const std::string kRtcpMux = "a=rtcp-mux"; |
| const std::string kXRtcpMux = "a=xrtcp-mux"; |
| rtc::replace_substrs(kRtcpMux.c_str(), kRtcpMux.length(), |
| kXRtcpMux.c_str(), kXRtcpMux.length(), |
| &sdp); |
| } |
| |
| SessionDescriptionInterface* new_answer = CreateSessionDescription( |
| JsepSessionDescription::kAnswer, sdp, NULL); |
| |
| // SetRemoteDescription to enable rtcp mux. |
| SetRemoteDescriptionWithoutError(new_answer); |
| EXPECT_TRUE_WAIT(observer_.oncandidatesready_, kIceCandidatesTimeout); |
| EXPECT_EQ(expected_candidate_num, observer_.mline_0_candidates_.size()); |
| if (bundle) { |
| EXPECT_EQ(0, observer_.mline_1_candidates_.size()); |
| } else { |
| EXPECT_EQ(expected_candidate_num, observer_.mline_1_candidates_.size()); |
| } |
| } |
| |
| bool ContainsVideoCodecWithName(const SessionDescriptionInterface* desc, |
| const std::string& codec_name) { |
| for (const auto& content : desc->description()->contents()) { |
| if (static_cast<cricket::MediaContentDescription*>(content.description) |
| ->type() == cricket::MEDIA_TYPE_VIDEO) { |
| const auto* mdesc = |
| static_cast<cricket::VideoContentDescription*>(content.description); |
| for (const auto& codec : mdesc->codecs()) { |
| if (codec.name == codec_name) { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| // Helper class to configure loopback network and verify Best |
| // Connection using right IP protocol for TestLoopbackCall |
| // method. LoopbackNetworkManager applies firewall rules to block |
| // all ping traffic once ICE completed, and remove them to observe |
| // ICE reconnected again. This LoopbackNetworkConfiguration struct |
| // verifies the best connection is using the right IP protocol after |
| // initial ICE convergences. |
| |
| class LoopbackNetworkConfiguration { |
| public: |
| LoopbackNetworkConfiguration() |
| : test_ipv6_network_(false), |
| test_extra_ipv4_network_(false), |
| best_connection_after_initial_ice_converged_(1, 0) {} |
| |
| // Used to track the expected best connection count in each IP protocol. |
| struct ExpectedBestConnection { |
| ExpectedBestConnection(int ipv4_count, int ipv6_count) |
| : ipv4_count_(ipv4_count), |
| ipv6_count_(ipv6_count) {} |
| |
| int ipv4_count_; |
| int ipv6_count_; |
| }; |
| |
| bool test_ipv6_network_; |
| bool test_extra_ipv4_network_; |
| ExpectedBestConnection best_connection_after_initial_ice_converged_; |
| |
| void VerifyBestConnectionAfterIceConverge( |
| const rtc::scoped_refptr<FakeMetricsObserver> metrics_observer) const { |
| Verify(metrics_observer, best_connection_after_initial_ice_converged_); |
| } |
| |
| private: |
| void Verify(const rtc::scoped_refptr<FakeMetricsObserver> metrics_observer, |
| const ExpectedBestConnection& expected) const { |
| EXPECT_EQ( |
| metrics_observer->GetEnumCounter(webrtc::kEnumCounterAddressFamily, |
| webrtc::kBestConnections_IPv4), |
| expected.ipv4_count_); |
| EXPECT_EQ( |
| metrics_observer->GetEnumCounter(webrtc::kEnumCounterAddressFamily, |
| webrtc::kBestConnections_IPv6), |
| expected.ipv6_count_); |
| // This is used in the loopback call so there is only single host to host |
| // candidate pair. |
| EXPECT_EQ(metrics_observer->GetEnumCounter( |
| webrtc::kEnumCounterIceCandidatePairTypeUdp, |
| webrtc::kIceCandidatePairHostHost), |
| 0); |
| EXPECT_EQ(metrics_observer->GetEnumCounter( |
| webrtc::kEnumCounterIceCandidatePairTypeUdp, |
| webrtc::kIceCandidatePairHostPublicHostPublic), |
| 1); |
| } |
| }; |
| |
| class LoopbackNetworkManager { |
| public: |
| LoopbackNetworkManager(WebRtcSessionTest* session, |
| const LoopbackNetworkConfiguration& config) |
| : config_(config) { |
| session->AddInterface( |
| rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| if (config_.test_extra_ipv4_network_) { |
| session->AddInterface( |
| rtc::SocketAddress(kClientAddrHost2, kClientAddrPort)); |
| } |
| if (config_.test_ipv6_network_) { |
| session->AddInterface( |
| rtc::SocketAddress(kClientIPv6AddrHost1, kClientAddrPort)); |
| } |
| } |
| |
| void ApplyFirewallRules(rtc::FirewallSocketServer* fss) { |
| fss->AddRule(false, rtc::FP_ANY, rtc::FD_ANY, |
| rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| if (config_.test_extra_ipv4_network_) { |
| fss->AddRule(false, rtc::FP_ANY, rtc::FD_ANY, |
| rtc::SocketAddress(kClientAddrHost2, kClientAddrPort)); |
| } |
| if (config_.test_ipv6_network_) { |
| fss->AddRule(false, rtc::FP_ANY, rtc::FD_ANY, |
| rtc::SocketAddress(kClientIPv6AddrHost1, kClientAddrPort)); |
| } |
| } |
| |
| void ClearRules(rtc::FirewallSocketServer* fss) { fss->ClearRules(); } |
| |
| private: |
| LoopbackNetworkConfiguration config_; |
| }; |
| |
| // The method sets up a call from the session to itself, in a loopback |
| // arrangement. It also uses a firewall rule to create a temporary |
| // disconnection, and then a permanent disconnection. |
| // This code is placed in a method so that it can be invoked |
| // by multiple tests with different allocators (e.g. with and without BUNDLE). |
| // While running the call, this method also checks if the session goes through |
| // the correct sequence of ICE states when a connection is established, |
| // broken, and re-established. |
| // The Connection state should go: |
| // New -> Checking -> (Connected) -> Completed -> Disconnected -> Completed |
| // -> Failed. |
| // The Gathering state should go: New -> Gathering -> Completed. |
| |
| void SetupLoopbackCall() { |
| Init(); |
| SendAudioVideoStream1(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| |
| EXPECT_EQ(PeerConnectionInterface::kIceGatheringNew, |
| observer_.ice_gathering_state_); |
| SetLocalDescriptionWithoutError(offer); |
| EXPECT_EQ(PeerConnectionInterface::kIceConnectionNew, |
| observer_.ice_connection_state_); |
| EXPECT_EQ_WAIT(PeerConnectionInterface::kIceGatheringGathering, |
| observer_.ice_gathering_state_, kIceCandidatesTimeout); |
| EXPECT_TRUE_WAIT(observer_.oncandidatesready_, kIceCandidatesTimeout); |
| EXPECT_EQ_WAIT(PeerConnectionInterface::kIceGatheringComplete, |
| observer_.ice_gathering_state_, kIceCandidatesTimeout); |
| |
| std::string sdp; |
| offer->ToString(&sdp); |
| SessionDescriptionInterface* desc = webrtc::CreateSessionDescription( |
| JsepSessionDescription::kAnswer, sdp, nullptr); |
| ASSERT_TRUE(desc != NULL); |
| SetRemoteDescriptionWithoutError(desc); |
| |
| EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionChecking, |
| observer_.ice_connection_state_, kIceCandidatesTimeout); |
| |
| // The ice connection state is "Connected" too briefly to catch in a test. |
| EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionCompleted, |
| observer_.ice_connection_state_, kIceCandidatesTimeout); |
| } |
| |
| void TestLoopbackCall(const LoopbackNetworkConfiguration& config) { |
| LoopbackNetworkManager loopback_network_manager(this, config); |
| SetupLoopbackCall(); |
| config.VerifyBestConnectionAfterIceConverge(metrics_observer_); |
| // Adding firewall rule to block ping requests, which should cause |
| // transport channel failure. |
| |
| loopback_network_manager.ApplyFirewallRules(fss_.get()); |
| |
| LOG(LS_INFO) << "Firewall Rules applied"; |
| EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionDisconnected, |
| observer_.ice_connection_state_, |
| kIceCandidatesTimeout); |
| |
| metrics_observer_->Reset(); |
| |
| // Clearing the rules, session should move back to completed state. |
| loopback_network_manager.ClearRules(fss_.get()); |
| |
| LOG(LS_INFO) << "Firewall Rules cleared"; |
| EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionCompleted, |
| observer_.ice_connection_state_, |
| kIceCandidatesTimeout); |
| |
| // Now we block ping requests and wait until the ICE connection transitions |
| // to the Failed state. This will take at least 30 seconds because it must |
| // wait for the Port to timeout. |
| int port_timeout = 30000; |
| |
| loopback_network_manager.ApplyFirewallRules(fss_.get()); |
| LOG(LS_INFO) << "Firewall Rules applied again"; |
| EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionDisconnected, |
| observer_.ice_connection_state_, |
| kIceCandidatesTimeout + port_timeout); |
| } |
| |
| void TestLoopbackCall() { |
| LoopbackNetworkConfiguration config; |
| TestLoopbackCall(config); |
| } |
| |
| void TestPacketOptions() { |
| LoopbackNetworkConfiguration config; |
| LoopbackNetworkManager loopback_network_manager(this, config); |
| |
| SetupLoopbackCall(); |
| |
| // Wait for channel to be ready for sending. |
| EXPECT_TRUE_WAIT(media_engine_->GetVideoChannel(0)->sending(), 100); |
| uint8_t test_packet[15] = {0}; |
| rtc::PacketOptions options; |
| options.packet_id = 10; |
| media_engine_->GetVideoChannel(0) |
| ->SendRtp(test_packet, sizeof(test_packet), options); |
| |
| const int kPacketTimeout = 2000; |
| EXPECT_EQ_WAIT(10, fake_call_.last_sent_nonnegative_packet_id(), |
| kPacketTimeout); |
| EXPECT_GT(fake_call_.last_sent_packet().send_time_ms, -1); |
| } |
| |
| // Adds CN codecs to FakeMediaEngine and MediaDescriptionFactory. |
| void AddCNCodecs() { |
| const cricket::AudioCodec kCNCodec1(102, "CN", 8000, 0, 1); |
| const cricket::AudioCodec kCNCodec2(103, "CN", 16000, 0, 1); |
| |
| // Add kCNCodec for dtmf test. |
| std::vector<cricket::AudioCodec> codecs = |
| media_engine_->audio_send_codecs(); |
| codecs.push_back(kCNCodec1); |
| codecs.push_back(kCNCodec2); |
| media_engine_->SetAudioCodecs(codecs); |
| desc_factory_->set_audio_codecs(codecs, codecs); |
| } |
| |
| bool VerifyNoCNCodecs(const cricket::ContentInfo* content) { |
| const cricket::ContentDescription* description = content->description; |
| RTC_CHECK(description != NULL); |
| const cricket::AudioContentDescription* audio_content_desc = |
| static_cast<const cricket::AudioContentDescription*>(description); |
| RTC_CHECK(audio_content_desc != NULL); |
| for (size_t i = 0; i < audio_content_desc->codecs().size(); ++i) { |
| if (audio_content_desc->codecs()[i].name == "CN") |
| return false; |
| } |
| return true; |
| } |
| |
| void CreateDataChannel() { |
| webrtc::InternalDataChannelInit dci; |
| RTC_CHECK(session_.get()); |
| dci.reliable = session_->data_channel_type() == cricket::DCT_SCTP; |
| data_channel_ = DataChannel::Create( |
| session_.get(), session_->data_channel_type(), "datachannel", dci); |
| } |
| |
| void SetLocalDescriptionWithDataChannel() { |
| CreateDataChannel(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer); |
| } |
| |
| void VerifyMultipleAsyncCreateDescription( |
| RTCCertificateGenerationMethod cert_gen_method, |
| CreateSessionDescriptionRequest::Type type) { |
| InitWithDtls(cert_gen_method); |
| VerifyMultipleAsyncCreateDescriptionAfterInit(true, type); |
| } |
| |
| void VerifyMultipleAsyncCreateDescriptionIdentityGenFailure( |
| CreateSessionDescriptionRequest::Type type) { |
| InitWithDtlsIdentityGenFail(); |
| VerifyMultipleAsyncCreateDescriptionAfterInit(false, type); |
| } |
| |
| void VerifyMultipleAsyncCreateDescriptionAfterInit( |
| bool success, CreateSessionDescriptionRequest::Type type) { |
| RTC_CHECK(session_); |
| SetFactoryDtlsSrtp(); |
| if (type == CreateSessionDescriptionRequest::kAnswer) { |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| std::unique_ptr<JsepSessionDescription> offer( |
| CreateRemoteOffer(options, cricket::SEC_DISABLED)); |
| ASSERT_TRUE(offer.get() != NULL); |
| SetRemoteDescriptionWithoutError(offer.release()); |
| } |
| |
| PeerConnectionInterface::RTCOfferAnswerOptions options; |
| cricket::MediaSessionOptions offer_session_options; |
| cricket::MediaSessionOptions answer_session_options; |
| GetOptionsForOffer(options, &offer_session_options); |
| GetOptionsForAnswer(&answer_session_options); |
| const int kNumber = 3; |
| rtc::scoped_refptr<WebRtcSessionCreateSDPObserverForTest> |
| observers[kNumber]; |
| for (int i = 0; i < kNumber; ++i) { |
| observers[i] = new WebRtcSessionCreateSDPObserverForTest(); |
| if (type == CreateSessionDescriptionRequest::kOffer) { |
| session_->CreateOffer(observers[i], options, offer_session_options); |
| } else { |
| session_->CreateAnswer(observers[i], answer_session_options); |
| } |
| } |
| |
| WebRtcSessionCreateSDPObserverForTest::State expected_state = |
| success ? WebRtcSessionCreateSDPObserverForTest::kSucceeded : |
| WebRtcSessionCreateSDPObserverForTest::kFailed; |
| |
| for (int i = 0; i < kNumber; ++i) { |
| EXPECT_EQ_WAIT(expected_state, observers[i]->state(), 1000); |
| if (success) { |
| EXPECT_TRUE(observers[i]->description() != NULL); |
| } else { |
| EXPECT_TRUE(observers[i]->description() == NULL); |
| } |
| } |
| } |
| |
| void ConfigureAllocatorWithTurn() { |
| cricket::RelayServerConfig turn_server(cricket::RELAY_TURN); |
| cricket::RelayCredentials credentials(kTurnUsername, kTurnPassword); |
| turn_server.credentials = credentials; |
| turn_server.ports.push_back( |
| cricket::ProtocolAddress(kTurnUdpIntAddr, cricket::PROTO_UDP)); |
| allocator_->AddTurnServer(turn_server); |
| allocator_->set_step_delay(cricket::kMinimumStepDelay); |
| allocator_->set_flags(cricket::PORTALLOCATOR_DISABLE_TCP); |
| } |
| |
| webrtc::RtcEventLogNullImpl event_log_; |
| std::unique_ptr<rtc::VirtualSocketServer> vss_; |
| std::unique_ptr<rtc::FirewallSocketServer> fss_; |
| rtc::AutoSocketServerThread thread_; |
| // |media_engine_| and |data_engine_| are actually owned by |
| // |channel_manager_|. |
| cricket::FakeMediaEngine* media_engine_; |
| cricket::FakeDataEngine* data_engine_; |
| // Actually owned by session_. |
| FakeSctpTransportFactory* fake_sctp_transport_factory_ = nullptr; |
| std::unique_ptr<cricket::ChannelManager> channel_manager_; |
| cricket::FakeCall fake_call_; |
| std::unique_ptr<cricket::TransportDescriptionFactory> tdesc_factory_; |
| std::unique_ptr<cricket::MediaSessionDescriptionFactory> desc_factory_; |
| rtc::SocketAddress stun_socket_addr_; |
| std::unique_ptr<cricket::TestStunServer> stun_server_; |
| cricket::TestTurnServer turn_server_; |
| rtc::FakeNetworkManager network_manager_; |
| std::unique_ptr<cricket::BasicPortAllocator> allocator_; |
| PeerConnectionFactoryInterface::Options options_; |
| PeerConnectionInterface::RTCConfiguration configuration_; |
| std::unique_ptr<WebRtcSessionForTest> session_; |
| MockIceObserver observer_; |
| cricket::FakeVideoMediaChannel* video_channel_; |
| cricket::FakeVoiceMediaChannel* voice_channel_; |
| rtc::scoped_refptr<FakeMetricsObserver> metrics_observer_; |
| // The following flags affect options created for CreateOffer/CreateAnswer. |
| bool send_stream_1_ = false; |
| bool send_stream_2_ = false; |
| bool local_send_audio_ = false; |
| bool local_send_video_ = false; |
| bool local_recv_audio_ = true; |
| bool local_recv_video_ = true; |
| bool remote_send_audio_ = false; |
| bool remote_send_video_ = false; |
| bool remote_recv_audio_ = true; |
| bool remote_recv_video_ = true; |
| std::vector<cricket::MediaDescriptionOptions> offered_media_sections_; |
| rtc::scoped_refptr<DataChannel> data_channel_; |
| // Last values received from data channel creation signal. |
| std::string last_data_channel_label_; |
| InternalDataChannelInit last_data_channel_config_; |
| rtc::CryptoOptions crypto_options_; |
| }; |
| |
| TEST_P(WebRtcSessionTest, TestInitializeWithDtls) { |
| InitWithDtls(GetParam()); |
| // SDES is disabled when DTLS is on. |
| EXPECT_EQ(cricket::SEC_DISABLED, session_->SdesPolicy()); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestInitializeWithoutDtls) { |
| Init(); |
| // SDES is required if DTLS is off. |
| EXPECT_EQ(cricket::SEC_REQUIRED, session_->SdesPolicy()); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSessionCandidates) { |
| TestSessionCandidatesWithBundleRtcpMux(false, false); |
| } |
| |
| // Below test cases (TestSessionCandidatesWith*) verify the candidates gathered |
| // with rtcp-mux and/or bundle. |
| TEST_F(WebRtcSessionTest, TestSessionCandidatesWithRtcpMux) { |
| TestSessionCandidatesWithBundleRtcpMux(false, true); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSessionCandidatesWithBundleRtcpMux) { |
| TestSessionCandidatesWithBundleRtcpMux(true, true); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestMultihomeCandidates) { |
| AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| AddInterface(rtc::SocketAddress(kClientAddrHost2, kClientAddrPort)); |
| Init(); |
| SendAudioVideoStream1(); |
| InitiateCall(); |
| EXPECT_TRUE_WAIT(observer_.oncandidatesready_, kIceCandidatesTimeout); |
| EXPECT_EQ(8u, observer_.mline_0_candidates_.size()); |
| EXPECT_EQ(8u, observer_.mline_1_candidates_.size()); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestStunError) { |
| rtc::ScopedFakeClock clock; |
| |
| AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| AddInterface(rtc::SocketAddress(kClientAddrHost2, kClientAddrPort)); |
| fss_->AddRule(false, |
| rtc::FP_UDP, |
| rtc::FD_ANY, |
| rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| Init(); |
| SendAudioVideoStream1(); |
| InitiateCall(); |
| // Since kClientAddrHost1 is blocked, not expecting stun candidates for it. |
| EXPECT_TRUE_SIMULATED_WAIT(observer_.oncandidatesready_, |
| cricket::STUN_TOTAL_TIMEOUT, clock); |
| EXPECT_EQ(6u, observer_.mline_0_candidates_.size()); |
| EXPECT_EQ(6u, observer_.mline_1_candidates_.size()); |
| // Destroy session before scoped fake clock goes out of scope to avoid TSan |
| // warning. |
| session_->Close(); |
| session_.reset(nullptr); |
| } |
| |
| TEST_F(WebRtcSessionTest, SetSdpFailedOnInvalidSdp) { |
| Init(); |
| SessionDescriptionInterface* offer = NULL; |
| // Since |offer| is NULL, there's no way to tell if it's an offer or answer. |
| std::string unknown_action; |
| SetLocalDescriptionExpectError(unknown_action, kInvalidSdp, offer); |
| SetRemoteDescriptionExpectError(unknown_action, kInvalidSdp, offer); |
| } |
| |
| // Test creating offers and receive answers and make sure the |
| // media engine creates the expected send and receive streams. |
| TEST_F(WebRtcSessionTest, TestCreateSdesOfferReceiveSdesAnswer) { |
| Init(); |
| SendAudioVideoStream1(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| const std::string session_id_orig = offer->session_id(); |
| const std::string session_version_orig = offer->session_version(); |
| SetLocalDescriptionWithoutError(offer); |
| |
| SendAudioVideoStream2(); |
| SessionDescriptionInterface* answer = |
| CreateRemoteAnswer(session_->local_description()); |
| SetRemoteDescriptionWithoutError(answer); |
| |
| video_channel_ = media_engine_->GetVideoChannel(0); |
| voice_channel_ = media_engine_->GetVoiceChannel(0); |
| |
| ASSERT_EQ(1u, video_channel_->recv_streams().size()); |
| EXPECT_TRUE(kVideoTrack2 == video_channel_->recv_streams()[0].id); |
| |
| ASSERT_EQ(1u, voice_channel_->recv_streams().size()); |
| EXPECT_TRUE(kAudioTrack2 == voice_channel_->recv_streams()[0].id); |
| |
| ASSERT_EQ(1u, video_channel_->send_streams().size()); |
| EXPECT_TRUE(kVideoTrack1 == video_channel_->send_streams()[0].id); |
| ASSERT_EQ(1u, voice_channel_->send_streams().size()); |
| EXPECT_TRUE(kAudioTrack1 == voice_channel_->send_streams()[0].id); |
| |
| // Create new offer without send streams. |
| SendNothing(); |
| offer = CreateOffer(); |
| |
| // Verify the session id is the same and the session version is |
| // increased. |
| EXPECT_EQ(session_id_orig, offer->session_id()); |
| EXPECT_LT(rtc::FromString<uint64_t>(session_version_orig), |
| rtc::FromString<uint64_t>(offer->session_version())); |
| |
| SetLocalDescriptionWithoutError(offer); |
| EXPECT_EQ(0u, video_channel_->send_streams().size()); |
| EXPECT_EQ(0u, voice_channel_->send_streams().size()); |
| |
| SendAudioVideoStream2(); |
| answer = CreateRemoteAnswer(session_->local_description()); |
| SetRemoteDescriptionWithoutError(answer); |
| |
| // Make sure the receive streams have not changed. |
| ASSERT_EQ(1u, video_channel_->recv_streams().size()); |
| EXPECT_TRUE(kVideoTrack2 == video_channel_->recv_streams()[0].id); |
| ASSERT_EQ(1u, voice_channel_->recv_streams().size()); |
| EXPECT_TRUE(kAudioTrack2 == voice_channel_->recv_streams()[0].id); |
| } |
| |
| // Test receiving offers and creating answers and make sure the |
| // media engine creates the expected send and receive streams. |
| TEST_F(WebRtcSessionTest, TestReceiveSdesOfferCreateSdesAnswer) { |
| Init(); |
| SendAudioVideoStream2(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| VerifyCryptoParams(offer->description()); |
| SetRemoteDescriptionWithoutError(offer); |
| |
| SendAudioVideoStream1(); |
| SessionDescriptionInterface* answer = CreateAnswer(); |
| VerifyCryptoParams(answer->description()); |
| SetLocalDescriptionWithoutError(answer); |
| |
| const std::string session_id_orig = answer->session_id(); |
| const std::string session_version_orig = answer->session_version(); |
| |
| video_channel_ = media_engine_->GetVideoChannel(0); |
| voice_channel_ = media_engine_->GetVoiceChannel(0); |
| |
| ASSERT_TRUE(video_channel_); |
| ASSERT_TRUE(voice_channel_); |
| ASSERT_EQ(1u, video_channel_->recv_streams().size()); |
| EXPECT_TRUE(kVideoTrack2 == video_channel_->recv_streams()[0].id); |
| |
| ASSERT_EQ(1u, voice_channel_->recv_streams().size()); |
| EXPECT_TRUE(kAudioTrack2 == voice_channel_->recv_streams()[0].id); |
| |
| ASSERT_EQ(1u, video_channel_->send_streams().size()); |
| EXPECT_TRUE(kVideoTrack1 == video_channel_->send_streams()[0].id); |
| ASSERT_EQ(1u, voice_channel_->send_streams().size()); |
| EXPECT_TRUE(kAudioTrack1 == voice_channel_->send_streams()[0].id); |
| |
| SendAudioVideoStream1And2(); |
| offer = CreateOffer(); |
| SetRemoteDescriptionWithoutError(offer); |
| |
| // Answer by turning off all send streams. |
| SendNothing(); |
| answer = CreateAnswer(); |
| |
| // Verify the session id is the same and the session version is |
| // increased. |
| EXPECT_EQ(session_id_orig, answer->session_id()); |
| EXPECT_LT(rtc::FromString<uint64_t>(session_version_orig), |
| rtc::FromString<uint64_t>(answer->session_version())); |
| SetLocalDescriptionWithoutError(answer); |
| |
| ASSERT_EQ(2u, video_channel_->recv_streams().size()); |
| EXPECT_TRUE(kVideoTrack1 == video_channel_->recv_streams()[0].id); |
| EXPECT_TRUE(kVideoTrack2 == video_channel_->recv_streams()[1].id); |
| ASSERT_EQ(2u, voice_channel_->recv_streams().size()); |
| EXPECT_TRUE(kAudioTrack1 == voice_channel_->recv_streams()[0].id); |
| EXPECT_TRUE(kAudioTrack2 == voice_channel_->recv_streams()[1].id); |
| |
| // Make sure we have no send streams. |
| EXPECT_EQ(0u, video_channel_->send_streams().size()); |
| EXPECT_EQ(0u, voice_channel_->send_streams().size()); |
| } |
| |
| TEST_F(WebRtcSessionTest, SetLocalSdpFailedOnCreateChannel) { |
| Init(); |
| media_engine_->set_fail_create_channel(true); |
| |
| SessionDescriptionInterface* offer = CreateOffer(); |
| ASSERT_TRUE(offer != NULL); |
| // SetRemoteDescription and SetLocalDescription will take the ownership of |
| // the offer. |
| SetRemoteDescriptionOfferExpectError(kCreateChannelFailed, offer); |
| offer = CreateOffer(); |
| ASSERT_TRUE(offer != NULL); |
| SetLocalDescriptionOfferExpectError(kCreateChannelFailed, offer); |
| } |
| |
| // |
| // Tests for creating/setting SDP under different SDES/DTLS polices: |
| // |
| // --DTLS off and SDES on |
| // TestCreateSdesOfferReceiveSdesAnswer/TestReceiveSdesOfferCreateSdesAnswer: |
| // set local/remote offer/answer with crypto --> success |
| // TestSetNonSdesOfferWhenSdesOn: set local/remote offer without crypto ---> |
| // failure |
| // TestSetLocalNonSdesAnswerWhenSdesOn: set local answer without crypto --> |
| // failure |
| // TestSetRemoteNonSdesAnswerWhenSdesOn: set remote answer without crypto --> |
| // failure |
| // |
| // --DTLS on and SDES off |
| // TestCreateDtlsOfferReceiveDtlsAnswer/TestReceiveDtlsOfferCreateDtlsAnswer: |
| // set local/remote offer/answer with DTLS fingerprint --> success |
| // TestReceiveNonDtlsOfferWhenDtlsOn: set local/remote offer without DTLS |
| // fingerprint --> failure |
| // TestSetLocalNonDtlsAnswerWhenDtlsOn: set local answer without fingerprint |
| // --> failure |
| // TestSetRemoteNonDtlsAnswerWhenDtlsOn: set remote answer without fingerprint |
| // --> failure |
| // |
| // --Encryption disabled: DTLS off and SDES off |
| // TestCreateOfferReceiveAnswerWithoutEncryption: set local offer and remote |
| // answer without SDES or DTLS --> success |
| // TestCreateAnswerReceiveOfferWithoutEncryption: set remote offer and local |
| // answer without SDES or DTLS --> success |
| // |
| |
| // Test that we return a failure when applying a remote/local offer that doesn't |
| // have cryptos enabled when DTLS is off. |
| TEST_F(WebRtcSessionTest, TestSetNonSdesOfferWhenSdesOn) { |
| Init(); |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| JsepSessionDescription* offer = CreateRemoteOffer( |
| options, cricket::SEC_DISABLED); |
| ASSERT_TRUE(offer != NULL); |
| VerifyNoCryptoParams(offer->description(), false); |
| // SetRemoteDescription and SetLocalDescription will take the ownership of |
| // the offer. |
| SetRemoteDescriptionOfferExpectError(kSdpWithoutSdesCrypto, offer); |
| offer = CreateRemoteOffer(options, cricket::SEC_DISABLED); |
| ASSERT_TRUE(offer != NULL); |
| SetLocalDescriptionOfferExpectError(kSdpWithoutSdesCrypto, offer); |
| } |
| |
| // Test that we return a failure when applying a local answer that doesn't have |
| // cryptos enabled when DTLS is off. |
| TEST_F(WebRtcSessionTest, TestSetLocalNonSdesAnswerWhenSdesOn) { |
| Init(); |
| SessionDescriptionInterface* offer = NULL; |
| SessionDescriptionInterface* answer = NULL; |
| CreateCryptoOfferAndNonCryptoAnswer(&offer, &answer); |
| // SetRemoteDescription and SetLocalDescription will take the ownership of |
| // the offer. |
| SetRemoteDescriptionWithoutError(offer); |
| SetLocalDescriptionAnswerExpectError(kSdpWithoutSdesCrypto, answer); |
| } |
| |
| // Test we will return fail when apply an remote answer that doesn't have |
| // crypto enabled when DTLS is off. |
| TEST_F(WebRtcSessionTest, TestSetRemoteNonSdesAnswerWhenSdesOn) { |
| Init(); |
| SessionDescriptionInterface* offer = NULL; |
| SessionDescriptionInterface* answer = NULL; |
| CreateCryptoOfferAndNonCryptoAnswer(&offer, &answer); |
| // SetRemoteDescription and SetLocalDescription will take the ownership of |
| // the offer. |
| SetLocalDescriptionWithoutError(offer); |
| SetRemoteDescriptionAnswerExpectError(kSdpWithoutSdesCrypto, answer); |
| } |
| |
| // Test that we accept an offer with a DTLS fingerprint when DTLS is on |
| // and that we return an answer with a DTLS fingerprint. |
| TEST_P(WebRtcSessionTest, TestReceiveDtlsOfferCreateDtlsAnswer) { |
| SendAudioVideoStream1(); |
| InitWithDtls(GetParam()); |
| SetFactoryDtlsSrtp(); |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| JsepSessionDescription* offer = |
| CreateRemoteOffer(options, cricket::SEC_DISABLED); |
| ASSERT_TRUE(offer != NULL); |
| VerifyFingerprintStatus(offer->description(), true); |
| VerifyNoCryptoParams(offer->description(), true); |
| |
| // SetRemoteDescription will take the ownership of the offer. |
| SetRemoteDescriptionWithoutError(offer); |
| |
| // Verify that we get a crypto fingerprint in the answer. |
| SessionDescriptionInterface* answer = CreateAnswer(); |
| ASSERT_TRUE(answer != NULL); |
| VerifyFingerprintStatus(answer->description(), true); |
| // Check that we don't have an a=crypto line in the answer. |
| VerifyNoCryptoParams(answer->description(), true); |
| |
| // Now set the local description, which should work, even without a=crypto. |
| SetLocalDescriptionWithoutError(answer); |
| } |
| |
| // Test that we set a local offer with a DTLS fingerprint when DTLS is on |
| // and then we accept a remote answer with a DTLS fingerprint successfully. |
| TEST_P(WebRtcSessionTest, TestCreateDtlsOfferReceiveDtlsAnswer) { |
| SendAudioVideoStream1(); |
| InitWithDtls(GetParam()); |
| SetFactoryDtlsSrtp(); |
| |
| // Verify that we get a crypto fingerprint in the answer. |
| SessionDescriptionInterface* offer = CreateOffer(); |
| ASSERT_TRUE(offer != NULL); |
| VerifyFingerprintStatus(offer->description(), true); |
| // Check that we don't have an a=crypto line in the offer. |
| VerifyNoCryptoParams(offer->description(), true); |
| |
| // Now set the local description, which should work, even without a=crypto. |
| SetLocalDescriptionWithoutError(offer); |
| |
| cricket::MediaSessionOptions options; |
| GetOptionsForAnswer(&options); |
| JsepSessionDescription* answer = |
| CreateRemoteAnswer(offer, options, cricket::SEC_DISABLED); |
| ASSERT_TRUE(answer != NULL); |
| VerifyFingerprintStatus(answer->description(), true); |
| VerifyNoCryptoParams(answer->description(), true); |
| |
| // SetRemoteDescription will take the ownership of the answer. |
| SetRemoteDescriptionWithoutError(answer); |
| } |
| |
| // Test that if we support DTLS and the other side didn't offer a fingerprint, |
| // we will fail to set the remote description. |
| TEST_P(WebRtcSessionTest, TestReceiveNonDtlsOfferWhenDtlsOn) { |
| InitWithDtls(GetParam()); |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| options.bundle_enabled = true; |
| JsepSessionDescription* offer = CreateRemoteOffer( |
| options, cricket::SEC_REQUIRED); |
| ASSERT_TRUE(offer != NULL); |
| VerifyFingerprintStatus(offer->description(), false); |
| VerifyCryptoParams(offer->description()); |
| |
| // SetRemoteDescription will take the ownership of the offer. |
| SetRemoteDescriptionOfferExpectError( |
| kSdpWithoutDtlsFingerprint, offer); |
| |
| offer = CreateRemoteOffer(options, cricket::SEC_REQUIRED); |
| // SetLocalDescription will take the ownership of the offer. |
| SetLocalDescriptionOfferExpectError( |
| kSdpWithoutDtlsFingerprint, offer); |
| } |
| |
| // Test that we return a failure when applying a local answer that doesn't have |
| // a DTLS fingerprint when DTLS is required. |
| TEST_P(WebRtcSessionTest, TestSetLocalNonDtlsAnswerWhenDtlsOn) { |
| InitWithDtls(GetParam()); |
| SessionDescriptionInterface* offer = NULL; |
| SessionDescriptionInterface* answer = NULL; |
| CreateDtlsOfferAndNonDtlsAnswer(&offer, &answer); |
| |
| // SetRemoteDescription and SetLocalDescription will take the ownership of |
| // the offer and answer. |
| SetRemoteDescriptionWithoutError(offer); |
| SetLocalDescriptionAnswerExpectError( |
| kSdpWithoutDtlsFingerprint, answer); |
| } |
| |
| // Test that we return a failure when applying a remote answer that doesn't have |
| // a DTLS fingerprint when DTLS is required. |
| TEST_P(WebRtcSessionTest, TestSetRemoteNonDtlsAnswerWhenDtlsOn) { |
| InitWithDtls(GetParam()); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| cricket::MediaSessionOptions offer_options; |
| GetOptionsForRemoteOffer(&offer_options); |
| |
| std::unique_ptr<SessionDescriptionInterface> temp_offer( |
| CreateRemoteOffer(offer_options, cricket::SEC_ENABLED)); |
| |
| cricket::MediaSessionOptions answer_options; |
| GetOptionsForAnswer(&answer_options); |
| JsepSessionDescription* answer = CreateRemoteAnswer( |
| temp_offer.get(), answer_options, cricket::SEC_ENABLED); |
| |
| // SetRemoteDescription and SetLocalDescription will take the ownership of |
| // the offer and answer. |
| SetLocalDescriptionWithoutError(offer); |
| SetRemoteDescriptionAnswerExpectError( |
| kSdpWithoutDtlsFingerprint, answer); |
| } |
| |
| // Test that we create a local offer without SDES or DTLS and accept a remote |
| // answer without SDES or DTLS when encryption is disabled. |
| TEST_P(WebRtcSessionTest, TestCreateOfferReceiveAnswerWithoutEncryption) { |
| SendAudioVideoStream1(); |
| options_.disable_encryption = true; |
| InitWithDtls(GetParam()); |
| |
| // Verify that we get a crypto fingerprint in the answer. |
| SessionDescriptionInterface* offer = CreateOffer(); |
| ASSERT_TRUE(offer != NULL); |
| VerifyFingerprintStatus(offer->description(), false); |
| // Check that we don't have an a=crypto line in the offer. |
| VerifyNoCryptoParams(offer->description(), false); |
| |
| // Now set the local description, which should work, even without a=crypto. |
| SetLocalDescriptionWithoutError(offer); |
| |
| cricket::MediaSessionOptions options; |
| GetOptionsForAnswer(&options); |
| JsepSessionDescription* answer = |
| CreateRemoteAnswer(offer, options, cricket::SEC_DISABLED); |
| ASSERT_TRUE(answer != NULL); |
| VerifyFingerprintStatus(answer->description(), false); |
| VerifyNoCryptoParams(answer->description(), false); |
| |
| // SetRemoteDescription will take the ownership of the answer. |
| SetRemoteDescriptionWithoutError(answer); |
| } |
| |
| // Test that we create a local answer without SDES or DTLS and accept a remote |
| // offer without SDES or DTLS when encryption is disabled. |
| TEST_P(WebRtcSessionTest, TestCreateAnswerReceiveOfferWithoutEncryption) { |
| options_.disable_encryption = true; |
| InitWithDtls(GetParam()); |
| |
| cricket::MediaSessionOptions options; |
| GetOptionsForRemoteOffer(&options); |
| JsepSessionDescription* offer = |
| CreateRemoteOffer(options, cricket::SEC_DISABLED); |
| ASSERT_TRUE(offer != NULL); |
| VerifyFingerprintStatus(offer->description(), false); |
| VerifyNoCryptoParams(offer->description(), false); |
| |
| // SetRemoteDescription will take the ownership of the offer. |
| SetRemoteDescriptionWithoutError(offer); |
| |
| // Verify that we get a crypto fingerprint in the answer. |
| SessionDescriptionInterface* answer = CreateAnswer(); |
| ASSERT_TRUE(answer != NULL); |
| VerifyFingerprintStatus(answer->description(), false); |
| // Check that we don't have an a=crypto line in the answer. |
| VerifyNoCryptoParams(answer->description(), false); |
| |
| // Now set the local description, which should work, even without a=crypto. |
| SetLocalDescriptionWithoutError(answer); |
| } |
| |
| // Test that we can create and set an answer correctly when different |
| // SSL roles have been negotiated for different transports. |
| // See: https://bugs.chromium.org/p/webrtc/issues/detail?id=4525 |
| TEST_P(WebRtcSessionTest, TestCreateAnswerWithDifferentSslRoles) { |
| SendAudioVideoStream1(); |
| InitWithDtls(GetParam()); |
| SetFactoryDtlsSrtp(); |
| |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer); |
| |
| cricket::MediaSessionOptions options; |
| GetOptionsForAnswer(&options); |
| |
| // First, negotiate different SSL roles. |
| SessionDescriptionInterface* answer = |
| CreateRemoteAnswer(offer, options, cricket::SEC_DISABLED); |
| TransportInfo* audio_transport_info = |
| answer->description()->GetTransportInfoByName("audio"); |
| audio_transport_info->description.connection_role = |
| cricket::CONNECTIONROLE_ACTIVE; |
| TransportInfo* video_transport_info = |
| answer->description()->GetTransportInfoByName("video"); |
| video_transport_info->description.connection_role = |
| cricket::CONNECTIONROLE_PASSIVE; |
| SetRemoteDescriptionWithoutError(answer); |
| |
| // Now create an offer in the reverse direction, and ensure the initial |
| // offerer responds with an answer with correct SSL roles. |
| offer = CreateRemoteOfferWithVersion(options, cricket::SEC_DISABLED, |
| kSessionVersion, |
| session_->remote_description()); |
| SetRemoteDescriptionWithoutError(offer); |
| |
| cricket::MediaSessionOptions answer_options; |
| answer_options.bundle_enabled = true; |
| answer = CreateAnswer(answer_options); |
| audio_transport_info = answer->description()->GetTransportInfoByName("audio"); |
| EXPECT_EQ(cricket::CONNECTIONROLE_PASSIVE, |
| audio_transport_info->description.connection_role); |
| video_transport_info = answer->description()->GetTransportInfoByName("video"); |
| EXPECT_EQ(cricket::CONNECTIONROLE_ACTIVE, |
| video_transport_info->description.connection_role); |
| SetLocalDescriptionWithoutError(answer); |
| |
| // Lastly, start BUNDLE-ing on "audio", expecting that the "passive" role of |
| // audio is transferred over to video in the answer that completes the BUNDLE |
| // negotiation. |
| options.bundle_enabled = true; |
| offer = CreateRemoteOfferWithVersion(options, cricket::SEC_DISABLED, |
| kSessionVersion, |
| session_->remote_description()); |
| SetRemoteDescriptionWithoutError(offer); |
| answer = CreateAnswer(answer_options); |
| audio_transport_info = answer->description()->GetTransportInfoByName("audio"); |
| EXPECT_EQ(cricket::CONNECTIONROLE_PASSIVE, |
| audio_transport_info->description.connection_role); |
| video_transport_info = answer->description()->GetTransportInfoByName("video"); |
| EXPECT_EQ(cricket::CONNECTIONROLE_PASSIVE, |
| video_transport_info->description.connection_role); |
| SetLocalDescriptionWithoutError(answer); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetLocalOfferTwice) { |
| Init(); |
| SendNothing(); |
| // SetLocalDescription take ownership of offer. |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer); |
| |
| // SetLocalDescription take ownership of offer. |
| SessionDescriptionInterface* offer2 = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer2); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetRemoteOfferTwice) { |
| Init(); |
| SendNothing(); |
| // SetLocalDescription take ownership of offer. |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetRemoteDescriptionWithoutError(offer); |
| |
| SessionDescriptionInterface* offer2 = CreateOffer(); |
| SetRemoteDescriptionWithoutError(offer2); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetLocalAndRemoteOffer) { |
| Init(); |
| SendNothing(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer); |
| offer = CreateOffer(); |
| SetRemoteDescriptionOfferExpectError("Called in wrong state: STATE_SENTOFFER", |
| offer); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetRemoteAndLocalOffer) { |
| Init(); |
| SendNothing(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetRemoteDescriptionWithoutError(offer); |
| offer = CreateOffer(); |
| SetLocalDescriptionOfferExpectError( |
| "Called in wrong state: STATE_RECEIVEDOFFER", offer); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetLocalPrAnswer) { |
| Init(); |
| SendNothing(); |
| SessionDescriptionInterface* offer = CreateRemoteOffer(); |
| SetRemoteDescriptionExpectState(offer, WebRtcSession::STATE_RECEIVEDOFFER); |
| |
| JsepSessionDescription* pranswer = |
| static_cast<JsepSessionDescription*>(CreateAnswer()); |
| pranswer->set_type(SessionDescriptionInterface::kPrAnswer); |
| SetLocalDescriptionExpectState(pranswer, WebRtcSession::STATE_SENTPRANSWER); |
| |
| SendAudioVideoStream1(); |
| JsepSessionDescription* pranswer2 = |
| static_cast<JsepSessionDescription*>(CreateAnswer()); |
| pranswer2->set_type(SessionDescriptionInterface::kPrAnswer); |
| |
| SetLocalDescriptionExpectState(pranswer2, WebRtcSession::STATE_SENTPRANSWER); |
| |
| SendAudioVideoStream2(); |
| SessionDescriptionInterface* answer = CreateAnswer(); |
| SetLocalDescriptionExpectState(answer, WebRtcSession::STATE_INPROGRESS); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetRemotePrAnswer) { |
| Init(); |
| SendNothing(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionExpectState(offer, WebRtcSession::STATE_SENTOFFER); |
| |
| JsepSessionDescription* pranswer = |
| CreateRemoteAnswer(session_->local_description()); |
| pranswer->set_type(SessionDescriptionInterface::kPrAnswer); |
| |
| SetRemoteDescriptionExpectState(pranswer, |
| WebRtcSession::STATE_RECEIVEDPRANSWER); |
| |
| SendAudioVideoStream1(); |
| JsepSessionDescription* pranswer2 = |
| CreateRemoteAnswer(session_->local_description()); |
| pranswer2->set_type(SessionDescriptionInterface::kPrAnswer); |
| |
| SetRemoteDescriptionExpectState(pranswer2, |
| WebRtcSession::STATE_RECEIVEDPRANSWER); |
| |
| SendAudioVideoStream2(); |
| SessionDescriptionInterface* answer = |
| CreateRemoteAnswer(session_->local_description()); |
| SetRemoteDescriptionExpectState(answer, WebRtcSession::STATE_INPROGRESS); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetLocalAnswerWithoutOffer) { |
| Init(); |
| SendNothing(); |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer()); |
| |
| SessionDescriptionInterface* answer = |
| CreateRemoteAnswer(offer.get()); |
| SetLocalDescriptionAnswerExpectError("Called in wrong state: STATE_INIT", |
| answer); |
| } |
| |
| TEST_F(WebRtcSessionTest, TestSetRemoteAnswerWithoutOffer) { |
| Init(); |
| SendNothing(); |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer()); |
| |
| SessionDescriptionInterface* answer = |
| CreateRemoteAnswer(offer.get()); |
| SetRemoteDescriptionAnswerExpectError( |
| "Called in wrong state: STATE_INIT", answer); |
| } |
| |
| // Tests that the remote candidates are added and removed successfully. |
| TEST_F(WebRtcSessionTest, TestAddAndRemoveRemoteCandidates) { |
| Init(); |
| SendAudioVideoStream1(); |
| |
| cricket::Candidate candidate(1, "udp", rtc::SocketAddress("1.1.1.1", 5000), 0, |
| "", "", "local", 0, ""); |
| candidate.set_transport_name("audio"); |
| JsepIceCandidate ice_candidate1(kMediaContentName0, 0, candidate); |
| |
| // Fail since we have not set a remote description. |
| EXPECT_FALSE(session_->ProcessIceMessage(&ice_candidate1)); |
| |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer); |
| |
| // Fail since we have not set a remote description. |
| EXPECT_FALSE(session_->ProcessIceMessage(&ice_candidate1)); |
| |
| SessionDescriptionInterface* answer = CreateRemoteAnswer( |
| session_->local_description()); |
| SetRemoteDescriptionWithoutError(answer); |
| |
| EXPECT_TRUE(session_->ProcessIceMessage(&ice_candidate1)); |
| candidate.set_component(2); |
| candidate.set_address(rtc::SocketAddress("2.2.2.2", 6000)); |
| JsepIceCandidate ice_candidate2(kMediaContentName0, 0, candidate); |
| EXPECT_TRUE(session_->ProcessIceMessage(&ice_candidate2)); |
| |
| // Verifying the candidates are copied properly from internal vector. |
| const SessionDescriptionInterface* remote_desc = |
| session_->remote_description(); |
| ASSERT_TRUE(remote_desc != NULL); |
| ASSERT_EQ(2u, remote_desc->number_of_mediasections()); |
| const IceCandidateCollection* candidates = |
| remote_desc->candidates(kMediaContentIndex0); |
| ASSERT_EQ(2u, candidates->count()); |
| EXPECT_EQ(kMediaContentIndex0, candidates->at(0)->sdp_mline_index()); |
| EXPECT_EQ(kMediaContentName0, candidates->at(0)->sdp_mid()); |
| EXPECT_EQ(1, candidates->at(0)->candidate().component()); |
| EXPECT_EQ(2, candidates->at(1)->candidate().component()); |
| |
| // |ice_candidate3| is identical to |ice_candidate2|. It can be added |
| // successfully, but the total count of candidates will not increase. |
| candidate.set_component(2); |
| JsepIceCandidate ice_candidate3(kMediaContentName0, 0, candidate); |
| EXPECT_TRUE(session_->ProcessIceMessage(&ice_candidate3)); |
| ASSERT_EQ(2u, candidates->count()); |
| |
| JsepIceCandidate bad_ice_candidate("bad content name", 99, candidate); |
| EXPECT_FALSE(session_->ProcessIceMessage(&bad_ice_candidate)); |
| |
| // Remove candidate1 and candidate2 |
| std::vector<cricket::Candidate> remote_candidates; |
| remote_candidates.push_back(ice_candidate1.candidate()); |
| remote_candidates.push_back(ice_candidate2.candidate()); |
| EXPECT_TRUE(session_->RemoveRemoteIceCandidates(remote_candidates)); |
| EXPECT_EQ(0u, candidates->count()); |
| } |
| |
| // Tests that a remote candidate is added to the remote session description and |
| // that it is retained if the remote session description is changed. |
| TEST_F(WebRtcSessionTest, TestRemoteCandidatesAddedToSessionDescription) { |
| Init(); |
| cricket::Candidate candidate1; |
| candidate1.set_component(1); |
| JsepIceCandidate ice_candidate1(kMediaContentName0, kMediaContentIndex0, |
| candidate1); |
| SendAudioVideoStream1(); |
| CreateAndSetRemoteOfferAndLocalAnswer(); |
| |
| EXPECT_TRUE(session_->ProcessIceMessage(&ice_candidate1)); |
| const SessionDescriptionInterface* remote_desc = |
| session_->remote_description(); |
| ASSERT_TRUE(remote_desc != NULL); |
| ASSERT_EQ(2u, remote_desc->number_of_mediasections()); |
| const IceCandidateCollection* candidates = |
| remote_desc->candidates(kMediaContentIndex0); |
| ASSERT_EQ(1u, candidates->count()); |
| EXPECT_EQ(kMediaContentIndex0, candidates->at(0)->sdp_mline_index()); |
| |
| // Update the RemoteSessionDescription with a new session description and |
| // a candidate and check that the new remote session description contains both |
| // candidates. |
| SessionDescriptionInterface* offer = CreateRemoteOffer(); |
| cricket::Candidate candidate2; |
| JsepIceCandidate ice_candidate2(kMediaContentName0, kMediaContentIndex0, |
| candidate2); |
| EXPECT_TRUE(offer->AddCandidate(&ice_candidate2)); |
| SetRemoteDescriptionWithoutError(offer); |
| |
| remote_desc = session_->remote_description(); |
| ASSERT_TRUE(remote_desc != NULL); |
| ASSERT_EQ(2u, remote_desc->number_of_mediasections()); |
| candidates = remote_desc->candidates(kMediaContentIndex0); |
| ASSERT_EQ(2u, candidates->count()); |
| EXPECT_EQ(kMediaContentIndex0, candidates->at(0)->sdp_mline_index()); |
| // Username and password have be updated with the TransportInfo of the |
| // SessionDescription, won't be equal to the original one. |
| candidate2.set_username(candidates->at(0)->candidate().username()); |
| candidate2.set_password(candidates->at(0)->candidate().password()); |
| EXPECT_TRUE(candidate2.IsEquivalent(candidates->at(0)->candidate())); |
| EXPECT_EQ(kMediaContentIndex0, candidates->at(1)->sdp_mline_index()); |
| // No need to verify the username and password. |
| candidate1.set_username(candidates->at(1)->candidate().username()); |
| candidate1.set_password(candidates->at(1)->candidate().password()); |
| EXPECT_TRUE(candidate1.IsEquivalent(candidates->at(1)->candidate())); |
| |
| // Test that the candidate is ignored if we can add the same candidate again. |
| EXPECT_TRUE(session_->ProcessIceMessage(&ice_candidate2)); |
| } |
| |
| // Test that local candidates are added to the local session description and |
| // that they are retained if the local session description is changed. And if |
| // continual gathering is enabled, they are removed from the local session |
| // description when the network is down. |
| TEST_F(WebRtcSessionTest, |
| TestLocalCandidatesAddedAndRemovedIfGatherContinually) { |
| AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| Init(); |
| // Enable Continual Gathering. |
| cricket::IceConfig config; |
| config.continual_gathering_policy = cricket::GATHER_CONTINUALLY; |
| session_->SetIceConfig(config); |
| SendAudioVideoStream1(); |
| CreateAndSetRemoteOfferAndLocalAnswer(); |
| |
| const SessionDescriptionInterface* local_desc = session_->local_description(); |
| const IceCandidateCollection* candidates = |
| local_desc->candidates(kMediaContentIndex0); |
| ASSERT_TRUE(candidates != NULL); |
| EXPECT_EQ(0u, candidates->count()); |
| |
| // Since we're using continual gathering, we won't get "gathering done". |
| EXPECT_EQ_WAIT(2u, candidates->count(), kIceCandidatesTimeout); |
| |
| local_desc = session_->local_description(); |
| candidates = local_desc->candidates(kMediaContentIndex0); |
| ASSERT_TRUE(candidates != NULL); |
| EXPECT_LT(0u, candidates->count()); |
| candidates = local_desc->candidates(1); |
| ASSERT_TRUE(candidates != NULL); |
| EXPECT_EQ(0u, candidates->count()); |
| |
| // Update the session descriptions. |
| SendAudioVideoStream1(); |
| CreateAndSetRemoteOfferAndLocalAnswer(); |
| |
| local_desc = session_->local_description(); |
| candidates = local_desc->candidates(kMediaContentIndex0); |
| ASSERT_TRUE(candidates != NULL); |
| EXPECT_LT(0u, candidates->count()); |
| candidates = local_desc->candidates(1); |
| ASSERT_TRUE(candidates != NULL); |
| EXPECT_EQ(0u, candidates->count()); |
| |
| candidates = local_desc->candidates(kMediaContentIndex0); |
| size_t num_local_candidates = candidates->count(); |
| // Bring down the network interface to trigger candidate removals. |
| RemoveInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| // Verify that all local candidates are removed. |
| EXPECT_EQ(0, observer_.num_candidates_removed_); |
| EXPECT_EQ_WAIT(num_local_candidates, observer_.num_candidates_removed_, |
| kIceCandidatesTimeout); |
| EXPECT_EQ_WAIT(0u, candidates->count(), kIceCandidatesTimeout); |
| } |
| |
| // Tests that if continual gathering is disabled, local candidates won't be |
| // removed when the interface is turned down. |
| TEST_F(WebRtcSessionTest, TestLocalCandidatesNotRemovedIfNotGatherContinually) { |
| AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| Init(); |
| SendAudioVideoStream1(); |
| CreateAndSetRemoteOfferAndLocalAnswer(); |
| |
| const SessionDescriptionInterface* local_desc = session_->local_description(); |
| const IceCandidateCollection* candidates = |
| local_desc->candidates(kMediaContentIndex0); |
| ASSERT_TRUE(candidates != NULL); |
| EXPECT_TRUE_WAIT(observer_.oncandidatesready_, kIceCandidatesTimeout); |
| |
| size_t num_local_candidates = candidates->count(); |
| EXPECT_LT(0u, num_local_candidates); |
| // By default, Continual Gathering is disabled. |
| // Bring down the network interface. |
| RemoveInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| // Verify that the local candidates are not removed. |
| rtc::Thread::Current()->ProcessMessages(1000); |
| EXPECT_EQ(0, observer_.num_candidates_removed_); |
| EXPECT_EQ(num_local_candidates, candidates->count()); |
| } |
| |
| // Test that we can set a remote session description with remote candidates. |
| TEST_F(WebRtcSessionTest, TestSetRemoteSessionDescriptionWithCandidates) { |
| Init(); |
| |
| cricket::Candidate candidate1; |
| candidate1.set_component(1); |
| JsepIceCandidate ice_candidate(kMediaContentName0, kMediaContentIndex0, |
| candidate1); |
| SendAudioVideoStream1(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| |
| EXPECT_TRUE(offer->AddCandidate(&ice_candidate)); |
| SetRemoteDescriptionWithoutError(offer); |
| |
| const SessionDescriptionInterface* remote_desc = |
| session_->remote_description(); |
| ASSERT_TRUE(remote_desc != NULL); |
| ASSERT_EQ(2u, remote_desc->number_of_mediasections()); |
| const IceCandidateCollection* candidates = |
| remote_desc->candidates(kMediaContentIndex0); |
| ASSERT_EQ(1u, candidates->count()); |
| EXPECT_EQ(kMediaContentIndex0, candidates->at(0)->sdp_mline_index()); |
| |
| SessionDescriptionInterface* answer = CreateAnswer(); |
| SetLocalDescriptionWithoutError(answer); |
| } |
| |
| // Test that offers and answers contains ice candidates when Ice candidates have |
| // been gathered. |
| TEST_F(WebRtcSessionTest, TestSetLocalAndRemoteDescriptionWithCandidates) { |
| AddInterface(rtc::SocketAddress(kClientAddrHost1, kClientAddrPort)); |
| Init(); |
| SendAudioVideoStream1(); |
| // Ice is started but candidates are not provided until SetLocalDescription |
| // is called. |
| EXPECT_EQ(0u, observer_.mline_0_candidates_.size()); |
| EXPECT_EQ(0u, observer_.mline_1_candidates_.size()); |
| CreateAndSetRemoteOfferAndLocalAnswer(); |
| // Wait until at least one local candidate has been collected. |
| EXPECT_TRUE_WAIT(0u < observer_.mline_0_candidates_.size(), |
| kIceCandidatesTimeout); |
| |
| std::unique_ptr<SessionDescriptionInterface> local_offer(CreateOffer()); |
| |
| ASSERT_TRUE(local_offer); |
| ASSERT_TRUE(local_offer->candidates(kMediaContentIndex0) != NULL); |
| EXPECT_LT(0u, local_offer->candidates(kMediaContentIndex0)->count()); |
| |
| SessionDescriptionInterface* remote_offer(CreateRemoteOffer()); |
| SetRemoteDescriptionWithoutError(remote_offer); |
| SessionDescriptionInterface* answer = CreateAnswer(); |
| ASSERT_TRUE(answer->candidates(kMediaContentIndex0) != NULL); |
| EXPECT_LT(0u, answer->candidates(kMediaContentIndex0)->count()); |
| SetLocalDescriptionWithoutError(answer); |
| } |
| |
| // Verifies TransportProxy and media channels are created with content names |
| // present in the SessionDescription. |
| TEST_F(WebRtcSessionTest, TestChannelCreationsWithContentNames) { |
| Init(); |
| SendAudioVideoStream1(); |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer()); |
| |
| // CreateOffer creates session description with the content names "audio" and |
| // "video". Goal is to modify these content names and verify transport |
| // channels |
| // in the WebRtcSession, as channels are created with the content names |
| // present in SDP. |
| std::string sdp; |
| EXPECT_TRUE(offer->ToString(&sdp)); |
| |
| SessionDescriptionInterface* modified_offer = |
| CreateSessionDescription(JsepSessionDescription::kOffer, sdp, NULL); |
| |
| SetRemoteDescriptionWithoutError(modified_offer); |
| |
| cricket::MediaSessionOptions answer_options; |
| answer_options.bundle_enabled = false; |
| SessionDescriptionInterface* answer = CreateAnswer(answer_options); |
| SetLocalDescriptionWithoutError(answer); |
| |
| rtc::PacketTransportInternal* voice_transport_channel = |
| session_->voice_rtp_transport_channel(); |
| EXPECT_TRUE(voice_transport_channel != NULL); |
| EXPECT_EQ(voice_transport_channel->debug_name(), |
| "audio " + std::to_string(cricket::ICE_CANDIDATE_COMPONENT_RTP)); |
| rtc::PacketTransportInternal* video_transport_channel = |
| session_->video_rtp_transport_channel(); |
| ASSERT_TRUE(video_transport_channel != NULL); |
| EXPECT_EQ(video_transport_channel->debug_name(), |
| "video " + std::to_string(cricket::ICE_CANDIDATE_COMPONENT_RTP)); |
| EXPECT_TRUE((video_channel_ = media_engine_->GetVideoChannel(0)) != NULL); |
| EXPECT_TRUE((voice_channel_ = media_engine_->GetVoiceChannel(0)) != NULL); |
| } |
| |
| // Test that an offer contains the correct media content descriptions based on |
| // the send streams when no constraints have been set. |
| TEST_F(WebRtcSessionTest, CreateOfferWithoutConstraintsOrStreams) { |
| Init(); |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer()); |
| |
| ASSERT_TRUE(offer != NULL); |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(offer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_EQ( |
| cricket::MD_RECVONLY, |
| static_cast<const cricket::AudioContentDescription*>(content->description) |
| ->direction()); |
| content = cricket::GetFirstVideoContent(offer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_EQ( |
| cricket::MD_RECVONLY, |
| static_cast<const cricket::VideoContentDescription*>(content->description) |
| ->direction()); |
| } |
| |
| // Test that an offer contains the correct media content descriptions based on |
| // the send streams when no constraints have been set. |
| TEST_F(WebRtcSessionTest, CreateOfferWithoutConstraints) { |
| Init(); |
| // Test Audio only offer. |
| SendAudioOnlyStream2(); |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer()); |
| |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(offer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_EQ( |
| cricket::MD_SENDRECV, |
| static_cast<const cricket::AudioContentDescription*>(content->description) |
| ->direction()); |
| content = cricket::GetFirstVideoContent(offer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_EQ( |
| cricket::MD_RECVONLY, |
| static_cast<const cricket::VideoContentDescription*>(content->description) |
| ->direction()); |
| |
| // Test Audio / Video offer. |
| SendAudioVideoStream1(); |
| offer.reset(CreateOffer()); |
| content = cricket::GetFirstAudioContent(offer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_EQ( |
| cricket::MD_SENDRECV, |
| static_cast<const cricket::AudioContentDescription*>(content->description) |
| ->direction()); |
| |
| content = cricket::GetFirstVideoContent(offer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_EQ( |
| cricket::MD_SENDRECV, |
| static_cast<const cricket::VideoContentDescription*>(content->description) |
| ->direction()); |
| } |
| |
| // Test that an offer contains no media content descriptions if |
| // kOfferToReceiveVideo and kOfferToReceiveAudio constraints are set to false. |
| TEST_F(WebRtcSessionTest, CreateOfferWithConstraintsWithoutStreams) { |
| Init(); |
| PeerConnectionInterface::RTCOfferAnswerOptions options; |
| options.offer_to_receive_audio = 0; |
| options.offer_to_receive_video = 0; |
| |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer(options)); |
| |
| ASSERT_TRUE(offer != NULL); |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(offer->description()); |
| EXPECT_TRUE(content == NULL); |
| content = cricket::GetFirstVideoContent(offer->description()); |
| EXPECT_TRUE(content == NULL); |
| } |
| |
| // Test that an offer contains only audio media content descriptions if |
| // kOfferToReceiveAudio constraints are set to true. |
| TEST_F(WebRtcSessionTest, CreateAudioOnlyOfferWithConstraints) { |
| Init(); |
| PeerConnectionInterface::RTCOfferAnswerOptions options; |
| options.offer_to_receive_audio = |
| RTCOfferAnswerOptions::kOfferToReceiveMediaTrue; |
| options.offer_to_receive_video = 0; |
| |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer(options)); |
| |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(offer->description()); |
| EXPECT_TRUE(content != NULL); |
| content = cricket::GetFirstVideoContent(offer->description()); |
| EXPECT_TRUE(content == NULL); |
| } |
| |
| // Test that an offer contains audio and video media content descriptions if |
| // kOfferToReceiveAudio and kOfferToReceiveVideo constraints are set to true. |
| TEST_F(WebRtcSessionTest, CreateOfferWithConstraints) { |
| Init(); |
| // Test Audio / Video offer. |
| PeerConnectionInterface::RTCOfferAnswerOptions options; |
| options.offer_to_receive_audio = |
| RTCOfferAnswerOptions::kOfferToReceiveMediaTrue; |
| options.offer_to_receive_video = |
| RTCOfferAnswerOptions::kOfferToReceiveMediaTrue; |
| |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer(options)); |
| |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(offer->description()); |
| EXPECT_TRUE(content != NULL); |
| |
| content = cricket::GetFirstVideoContent(offer->description()); |
| EXPECT_TRUE(content != NULL); |
| |
| // Sets constraints to false and verifies that audio/video contents are |
| // removed. |
| options.offer_to_receive_audio = 0; |
| options.offer_to_receive_video = 0; |
| // Remove the media sections added in previous offer. |
| offered_media_sections_.clear(); |
| offer.reset(CreateOffer(options)); |
| |
| content = cricket::GetFirstAudioContent(offer->description()); |
| EXPECT_TRUE(content == NULL); |
| content = cricket::GetFirstVideoContent(offer->description()); |
| EXPECT_TRUE(content == NULL); |
| } |
| |
| // Test that an answer can not be created if the last remote description is not |
| // an offer. |
| TEST_F(WebRtcSessionTest, CreateAnswerWithoutAnOffer) { |
| Init(); |
| SessionDescriptionInterface* offer = CreateOffer(); |
| SetLocalDescriptionWithoutError(offer); |
| SessionDescriptionInterface* answer = CreateRemoteAnswer(offer); |
| SetRemoteDescriptionWithoutError(answer); |
| EXPECT_TRUE(CreateAnswer() == NULL); |
| } |
| |
| // Test that an answer contains the correct media content descriptions when no |
| // constraints have been set. |
| TEST_F(WebRtcSessionTest, CreateAnswerWithoutConstraintsOrStreams) { |
| Init(); |
| // Create a remote offer with audio and video content. |
| std::unique_ptr<JsepSessionDescription> offer(CreateRemoteOffer()); |
| SetRemoteDescriptionWithoutError(offer.release()); |
| std::unique_ptr<SessionDescriptionInterface> answer(CreateAnswer()); |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_FALSE(content->rejected); |
| |
| content = cricket::GetFirstVideoContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_FALSE(content->rejected); |
| } |
| |
| // Test that an answer contains the correct media content descriptions when no |
| // constraints have been set and the offer only contain audio. |
| TEST_F(WebRtcSessionTest, CreateAudioAnswerWithoutConstraintsOrStreams) { |
| Init(); |
| // Create a remote offer with audio only. |
| cricket::MediaSessionOptions options; |
| GetOptionsForAudioOnlyRemoteOffer(&options); |
| |
| std::unique_ptr<JsepSessionDescription> offer(CreateRemoteOffer(options)); |
| ASSERT_TRUE(cricket::GetFirstVideoContent(offer->description()) == NULL); |
| ASSERT_TRUE(cricket::GetFirstAudioContent(offer->description()) != NULL); |
| |
| SetRemoteDescriptionWithoutError(offer.release()); |
| std::unique_ptr<SessionDescriptionInterface> answer(CreateAnswer()); |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_FALSE(content->rejected); |
| |
| EXPECT_TRUE(cricket::GetFirstVideoContent(answer->description()) == NULL); |
| } |
| |
| // Test that an answer contains the correct media content descriptions when no |
| // constraints have been set. |
| TEST_F(WebRtcSessionTest, CreateAnswerWithoutConstraints) { |
| Init(); |
| // Create a remote offer with audio and video content. |
| std::unique_ptr<JsepSessionDescription> offer(CreateRemoteOffer()); |
| SetRemoteDescriptionWithoutError(offer.release()); |
| // Test with a stream with tracks. |
| SendAudioVideoStream1(); |
| std::unique_ptr<SessionDescriptionInterface> answer(CreateAnswer()); |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_FALSE(content->rejected); |
| |
| content = cricket::GetFirstVideoContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_FALSE(content->rejected); |
| } |
| |
| // Test that an answer contains the correct media content descriptions when |
| // constraints have been set but no stream is sent. |
| TEST_F(WebRtcSessionTest, CreateAnswerWithConstraintsWithoutStreams) { |
| Init(); |
| // Create a remote offer with audio and video content. |
| std::unique_ptr<JsepSessionDescription> offer(CreateRemoteOffer()); |
| SetRemoteDescriptionWithoutError(offer.release()); |
| |
| cricket::MediaSessionOptions session_options; |
| remote_send_audio_ = false; |
| remote_send_video_ = false; |
| local_recv_audio_ = false; |
| local_recv_video_ = false; |
| std::unique_ptr<SessionDescriptionInterface> answer( |
| CreateAnswer(session_options)); |
| |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_TRUE(content->rejected); |
| |
| content = cricket::GetFirstVideoContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_TRUE(content->rejected); |
| } |
| |
| // Test that an answer contains the correct media content descriptions when |
| // constraints have been set and streams are sent. |
| TEST_F(WebRtcSessionTest, CreateAnswerWithConstraints) { |
| Init(); |
| // Create a remote offer with audio and video content. |
| std::unique_ptr<JsepSessionDescription> offer(CreateRemoteOffer()); |
| SetRemoteDescriptionWithoutError(offer.release()); |
| |
| cricket::MediaSessionOptions options; |
| // Test with a stream with tracks. |
| SendAudioVideoStream1(); |
| std::unique_ptr<SessionDescriptionInterface> answer(CreateAnswer(options)); |
| |
| // TODO(perkj): Should the direction be set to SEND_ONLY? |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_FALSE(content->rejected); |
| |
| // TODO(perkj): Should the direction be set to SEND_ONLY? |
| content = cricket::GetFirstVideoContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_FALSE(content->rejected); |
| } |
| |
| TEST_F(WebRtcSessionTest, CreateOfferWithoutCNCodecs) { |
| AddCNCodecs(); |
| Init(); |
| PeerConnectionInterface::RTCOfferAnswerOptions options; |
| options.offer_to_receive_audio = |
| RTCOfferAnswerOptions::kOfferToReceiveMediaTrue; |
| options.voice_activity_detection = false; |
| |
| std::unique_ptr<SessionDescriptionInterface> offer(CreateOffer(options)); |
| |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(offer->description()); |
| EXPECT_TRUE(content != NULL); |
| EXPECT_TRUE(VerifyNoCNCodecs(content)); |
| } |
| |
| TEST_F(WebRtcSessionTest, CreateAnswerWithoutCNCodecs) { |
| AddCNCodecs(); |
| Init(); |
| // Create a remote offer with audio and video content. |
| std::unique_ptr<JsepSessionDescription> offer(CreateRemoteOffer()); |
| SetRemoteDescriptionWithoutError(offer.release()); |
| |
| cricket::MediaSessionOptions options; |
| options.vad_enabled = false; |
| std::unique_ptr<SessionDescriptionInterface> answer(CreateAnswer(options)); |
| const cricket::ContentInfo* content = |
| cricket::GetFirstAudioContent(answer->description()); |
| ASSERT_TRUE(content != NULL); |
| EXPECT_TRUE(VerifyNoCNCodecs(content)); |
| } |
| |
| |