| /* |
| * Copyright 2017 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 <set> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "absl/types/optional.h" |
| #include "api/async_resolver_factory.h" |
| #include "api/call/call_factory_interface.h" |
| #include "api/jsep.h" |
| #include "api/jsep_session_description.h" |
| #include "api/peer_connection_interface.h" |
| #include "api/rtc_error.h" |
| #include "api/scoped_refptr.h" |
| #include "api/task_queue/default_task_queue_factory.h" |
| #include "api/task_queue/task_queue_factory.h" |
| #include "api/test/mock_async_dns_resolver.h" |
| #include "media/base/fake_media_engine.h" |
| #include "media/base/media_engine.h" |
| #include "p2p/base/mock_async_resolver.h" |
| #include "p2p/base/port_allocator.h" |
| #include "p2p/client/basic_port_allocator.h" |
| #include "pc/peer_connection.h" |
| #include "pc/peer_connection_factory.h" |
| #include "pc/peer_connection_proxy.h" |
| #include "pc/peer_connection_wrapper.h" |
| #include "pc/sdp_utils.h" |
| #include "pc/test/mock_peer_connection_observers.h" |
| #include "pc/usage_pattern.h" |
| #include "pc/webrtc_sdp.h" |
| #include "rtc_base/arraysize.h" |
| #include "rtc_base/checks.h" |
| #include "rtc_base/fake_mdns_responder.h" |
| #include "rtc_base/fake_network.h" |
| #include "rtc_base/gunit.h" |
| #include "rtc_base/mdns_responder_interface.h" |
| #include "rtc_base/socket_address.h" |
| #include "rtc_base/thread.h" |
| #include "rtc_base/virtual_socket_server.h" |
| #include "system_wrappers/include/metrics.h" |
| #include "test/gmock.h" |
| #include "test/gtest.h" |
| |
| namespace webrtc { |
| |
| using RTCConfiguration = PeerConnectionInterface::RTCConfiguration; |
| using RTCOfferAnswerOptions = PeerConnectionInterface::RTCOfferAnswerOptions; |
| using ::testing::NiceMock; |
| using ::testing::Values; |
| |
| static const char kUsagePatternMetric[] = "WebRTC.PeerConnection.UsagePattern"; |
| static constexpr int kDefaultTimeout = 10000; |
| static const rtc::SocketAddress kLocalAddrs[2] = { |
| rtc::SocketAddress("1.1.1.1", 0), rtc::SocketAddress("2.2.2.2", 0)}; |
| static const rtc::SocketAddress kPrivateLocalAddress("10.1.1.1", 0); |
| static const rtc::SocketAddress kPrivateIpv6LocalAddress("fd12:3456:789a:1::1", |
| 0); |
| |
| int MakeUsageFingerprint(std::set<UsageEvent> events) { |
| int signature = 0; |
| for (const auto it : events) { |
| signature |= static_cast<int>(it); |
| } |
| return signature; |
| } |
| |
| class PeerConnectionFactoryForUsageHistogramTest |
| : public PeerConnectionFactory { |
| public: |
| PeerConnectionFactoryForUsageHistogramTest() |
| : PeerConnectionFactory([] { |
| PeerConnectionFactoryDependencies dependencies; |
| dependencies.network_thread = rtc::Thread::Current(); |
| dependencies.worker_thread = rtc::Thread::Current(); |
| dependencies.signaling_thread = rtc::Thread::Current(); |
| dependencies.task_queue_factory = CreateDefaultTaskQueueFactory(); |
| dependencies.media_engine = |
| std::make_unique<cricket::FakeMediaEngine>(); |
| dependencies.call_factory = CreateCallFactory(); |
| return dependencies; |
| }()) {} |
| }; |
| |
| class PeerConnectionWrapperForUsageHistogramTest; |
| |
| typedef PeerConnectionWrapperForUsageHistogramTest* RawWrapperPtr; |
| |
| class ObserverForUsageHistogramTest : public MockPeerConnectionObserver { |
| public: |
| void OnIceCandidate(const webrtc::IceCandidateInterface* candidate) override; |
| |
| void OnInterestingUsage(int usage_pattern) override { |
| interesting_usage_detected_ = usage_pattern; |
| } |
| |
| void PrepareToExchangeCandidates(RawWrapperPtr other) { |
| candidate_target_ = other; |
| } |
| |
| bool HaveDataChannel() { return last_datachannel_ != nullptr; } |
| |
| absl::optional<int> interesting_usage_detected() { |
| return interesting_usage_detected_; |
| } |
| |
| void ClearInterestingUsageDetector() { |
| interesting_usage_detected_ = absl::optional<int>(); |
| } |
| |
| bool candidate_gathered() const { return candidate_gathered_; } |
| |
| private: |
| absl::optional<int> interesting_usage_detected_; |
| bool candidate_gathered_ = false; |
| RawWrapperPtr candidate_target_; // Note: Not thread-safe against deletions. |
| }; |
| |
| class PeerConnectionWrapperForUsageHistogramTest |
| : public PeerConnectionWrapper { |
| public: |
| using PeerConnectionWrapper::PeerConnectionWrapper; |
| |
| PeerConnection* GetInternalPeerConnection() { |
| auto* pci = |
| static_cast<PeerConnectionProxyWithInternal<PeerConnectionInterface>*>( |
| pc()); |
| return static_cast<PeerConnection*>(pci->internal()); |
| } |
| |
| // Override with different return type |
| ObserverForUsageHistogramTest* observer() { |
| return static_cast<ObserverForUsageHistogramTest*>( |
| PeerConnectionWrapper::observer()); |
| } |
| |
| void PrepareToExchangeCandidates( |
| PeerConnectionWrapperForUsageHistogramTest* other) { |
| observer()->PrepareToExchangeCandidates(other); |
| other->observer()->PrepareToExchangeCandidates(this); |
| } |
| |
| bool IsConnected() { |
| return pc()->ice_connection_state() == |
| PeerConnectionInterface::kIceConnectionConnected || |
| pc()->ice_connection_state() == |
| PeerConnectionInterface::kIceConnectionCompleted; |
| } |
| |
| bool HaveDataChannel() { |
| return static_cast<ObserverForUsageHistogramTest*>(observer()) |
| ->HaveDataChannel(); |
| } |
| void BufferIceCandidate(const webrtc::IceCandidateInterface* candidate) { |
| std::string sdp; |
| EXPECT_TRUE(candidate->ToString(&sdp)); |
| std::unique_ptr<webrtc::IceCandidateInterface> candidate_copy( |
| CreateIceCandidate(candidate->sdp_mid(), candidate->sdp_mline_index(), |
| sdp, nullptr)); |
| buffered_candidates_.push_back(std::move(candidate_copy)); |
| } |
| |
| void AddBufferedIceCandidates() { |
| for (const auto& candidate : buffered_candidates_) { |
| EXPECT_TRUE(pc()->AddIceCandidate(candidate.get())); |
| } |
| buffered_candidates_.clear(); |
| } |
| |
| // This method performs the following actions in sequence: |
| // 1. Exchange Offer and Answer. |
| // 2. Exchange ICE candidates after both caller and callee complete |
| // gathering. |
| // 3. Wait for ICE to connect. |
| // |
| // This guarantees a deterministic sequence of events and also rules out the |
| // occurrence of prflx candidates if the offer/answer signaling and the |
| // candidate trickling race in order. In case prflx candidates need to be |
| // simulated, see the approach used by tests below for that. |
| bool ConnectTo(PeerConnectionWrapperForUsageHistogramTest* callee) { |
| PrepareToExchangeCandidates(callee); |
| if (!ExchangeOfferAnswerWith(callee)) { |
| return false; |
| } |
| // Wait until the gathering completes before we signal the candidate. |
| WAIT(observer()->ice_gathering_complete_, kDefaultTimeout); |
| WAIT(callee->observer()->ice_gathering_complete_, kDefaultTimeout); |
| AddBufferedIceCandidates(); |
| callee->AddBufferedIceCandidates(); |
| WAIT(IsConnected(), kDefaultTimeout); |
| WAIT(callee->IsConnected(), kDefaultTimeout); |
| return IsConnected() && callee->IsConnected(); |
| } |
| |
| bool GenerateOfferAndCollectCandidates() { |
| auto offer = CreateOffer(RTCOfferAnswerOptions()); |
| if (!offer) { |
| return false; |
| } |
| bool set_local_offer = |
| SetLocalDescription(CloneSessionDescription(offer.get())); |
| EXPECT_TRUE(set_local_offer); |
| if (!set_local_offer) { |
| return false; |
| } |
| EXPECT_TRUE_WAIT(observer()->ice_gathering_complete_, kDefaultTimeout); |
| return true; |
| } |
| |
| webrtc::PeerConnectionInterface::IceGatheringState ice_gathering_state() { |
| return pc()->ice_gathering_state(); |
| } |
| |
| private: |
| // Candidates that have been sent but not yet configured |
| std::vector<std::unique_ptr<webrtc::IceCandidateInterface>> |
| buffered_candidates_; |
| }; |
| |
| // Buffers candidates until we add them via AddBufferedIceCandidates. |
| void ObserverForUsageHistogramTest::OnIceCandidate( |
| const webrtc::IceCandidateInterface* candidate) { |
| // If target is not set, ignore. This happens in one-ended unit tests. |
| if (candidate_target_) { |
| this->candidate_target_->BufferIceCandidate(candidate); |
| } |
| candidate_gathered_ = true; |
| } |
| |
| class PeerConnectionUsageHistogramTest : public ::testing::Test { |
| protected: |
| typedef std::unique_ptr<PeerConnectionWrapperForUsageHistogramTest> |
| WrapperPtr; |
| |
| PeerConnectionUsageHistogramTest() |
| : vss_(new rtc::VirtualSocketServer()), |
| socket_factory_(new rtc::BasicPacketSocketFactory(vss_.get())), |
| main_(vss_.get()) { |
| webrtc::metrics::Reset(); |
| } |
| |
| WrapperPtr CreatePeerConnection() { |
| RTCConfiguration config; |
| config.sdp_semantics = webrtc::SdpSemantics::kUnifiedPlan; |
| return CreatePeerConnection( |
| config, PeerConnectionFactoryInterface::Options(), nullptr); |
| } |
| |
| WrapperPtr CreatePeerConnection(const RTCConfiguration& config) { |
| return CreatePeerConnection( |
| config, PeerConnectionFactoryInterface::Options(), nullptr); |
| } |
| |
| WrapperPtr CreatePeerConnectionWithMdns(const RTCConfiguration& config) { |
| auto resolver_factory = |
| std::make_unique<NiceMock<webrtc::MockAsyncDnsResolverFactory>>(); |
| |
| webrtc::PeerConnectionDependencies deps(nullptr /* observer_in */); |
| |
| auto fake_network = NewFakeNetwork(); |
| fake_network->set_mdns_responder( |
| std::make_unique<webrtc::FakeMdnsResponder>(rtc::Thread::Current())); |
| fake_network->AddInterface(NextLocalAddress()); |
| |
| std::unique_ptr<cricket::BasicPortAllocator> port_allocator( |
| new cricket::BasicPortAllocator(fake_network, socket_factory_.get())); |
| |
| deps.async_dns_resolver_factory = std::move(resolver_factory); |
| deps.allocator = std::move(port_allocator); |
| |
| return CreatePeerConnection( |
| config, PeerConnectionFactoryInterface::Options(), std::move(deps)); |
| } |
| |
| WrapperPtr CreatePeerConnectionWithImmediateReport() { |
| RTCConfiguration configuration; |
| configuration.sdp_semantics = webrtc::SdpSemantics::kUnifiedPlan; |
| configuration.report_usage_pattern_delay_ms = 0; |
| return CreatePeerConnection( |
| configuration, PeerConnectionFactoryInterface::Options(), nullptr); |
| } |
| |
| WrapperPtr CreatePeerConnectionWithPrivateLocalAddresses() { |
| auto* fake_network = NewFakeNetwork(); |
| fake_network->AddInterface(NextLocalAddress()); |
| fake_network->AddInterface(kPrivateLocalAddress); |
| |
| auto port_allocator = std::make_unique<cricket::BasicPortAllocator>( |
| fake_network, socket_factory_.get()); |
| RTCConfiguration config; |
| config.sdp_semantics = SdpSemantics::kUnifiedPlan; |
| return CreatePeerConnection(config, |
| PeerConnectionFactoryInterface::Options(), |
| std::move(port_allocator)); |
| } |
| |
| WrapperPtr CreatePeerConnectionWithPrivateIpv6LocalAddresses() { |
| auto* fake_network = NewFakeNetwork(); |
| fake_network->AddInterface(NextLocalAddress()); |
| fake_network->AddInterface(kPrivateIpv6LocalAddress); |
| |
| auto port_allocator = std::make_unique<cricket::BasicPortAllocator>( |
| fake_network, socket_factory_.get()); |
| |
| RTCConfiguration config; |
| config.sdp_semantics = SdpSemantics::kUnifiedPlan; |
| return CreatePeerConnection(config, |
| PeerConnectionFactoryInterface::Options(), |
| std::move(port_allocator)); |
| } |
| |
| WrapperPtr CreatePeerConnection( |
| const RTCConfiguration& config, |
| const PeerConnectionFactoryInterface::Options factory_options, |
| std::unique_ptr<cricket::PortAllocator> allocator) { |
| PeerConnectionDependencies deps(nullptr); |
| deps.allocator = std::move(allocator); |
| |
| return CreatePeerConnection(config, factory_options, std::move(deps)); |
| } |
| |
| WrapperPtr CreatePeerConnection( |
| const RTCConfiguration& config, |
| const PeerConnectionFactoryInterface::Options factory_options, |
| PeerConnectionDependencies deps) { |
| auto pc_factory = |
| rtc::make_ref_counted<PeerConnectionFactoryForUsageHistogramTest>(); |
| pc_factory->SetOptions(factory_options); |
| |
| // If no allocator is provided, one will be created using a network manager |
| // that uses the host network. This doesn't work on all trybots. |
| if (!deps.allocator) { |
| auto fake_network = NewFakeNetwork(); |
| fake_network->AddInterface(NextLocalAddress()); |
| deps.allocator = std::make_unique<cricket::BasicPortAllocator>( |
| fake_network, socket_factory_.get()); |
| } |
| |
| auto observer = std::make_unique<ObserverForUsageHistogramTest>(); |
| deps.observer = observer.get(); |
| |
| auto result = |
| pc_factory->CreatePeerConnectionOrError(config, std::move(deps)); |
| if (!result.ok()) { |
| return nullptr; |
| } |
| |
| observer->SetPeerConnectionInterface(result.value().get()); |
| auto wrapper = std::make_unique<PeerConnectionWrapperForUsageHistogramTest>( |
| pc_factory, result.MoveValue(), std::move(observer)); |
| return wrapper; |
| } |
| |
| int ObservedFingerprint() { |
| // This works correctly only if there is only one sample value |
| // that has been counted. |
| // Returns -1 for "not found". |
| return webrtc::metrics::MinSample(kUsagePatternMetric); |
| } |
| |
| // The PeerConnection's port allocator is tied to the PeerConnection's |
| // lifetime and expects the underlying NetworkManager to outlive it. That |
| // prevents us from having the PeerConnectionWrapper own the fake network. |
| // Therefore, the test fixture will own all the fake networks even though |
| // tests should access the fake network through the PeerConnectionWrapper. |
| rtc::FakeNetworkManager* NewFakeNetwork() { |
| fake_networks_.emplace_back(std::make_unique<rtc::FakeNetworkManager>()); |
| return fake_networks_.back().get(); |
| } |
| |
| rtc::SocketAddress NextLocalAddress() { |
| RTC_DCHECK(next_local_address_ < (int)arraysize(kLocalAddrs)); |
| return kLocalAddrs[next_local_address_++]; |
| } |
| |
| std::vector<std::unique_ptr<rtc::FakeNetworkManager>> fake_networks_; |
| int next_local_address_ = 0; |
| std::unique_ptr<rtc::VirtualSocketServer> vss_; |
| std::unique_ptr<rtc::BasicPacketSocketFactory> socket_factory_; |
| rtc::AutoSocketServerThread main_; |
| }; |
| |
| TEST_F(PeerConnectionUsageHistogramTest, UsageFingerprintHistogramFromTimeout) { |
| auto pc = CreatePeerConnectionWithImmediateReport(); |
| |
| int expected_fingerprint = MakeUsageFingerprint({}); |
| EXPECT_METRIC_EQ_WAIT(1, webrtc::metrics::NumSamples(kUsagePatternMetric), |
| kDefaultTimeout); |
| EXPECT_METRIC_EQ( |
| 1, webrtc::metrics::NumEvents(kUsagePatternMetric, expected_fingerprint)); |
| } |
| |
| #ifndef WEBRTC_ANDROID |
| // These tests do not work on Android. Why is unclear. |
| // https://bugs.webrtc.org/9461 |
| |
| // Test getting the usage fingerprint for an audio/video connection. |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintAudioVideo) { |
| auto caller = CreatePeerConnection(); |
| auto callee = CreatePeerConnection(); |
| caller->AddAudioTrack("audio"); |
| caller->AddVideoTrack("video"); |
| ASSERT_TRUE(caller->ConnectTo(callee.get())); |
| caller->pc()->Close(); |
| callee->pc()->Close(); |
| int expected_fingerprint = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::VIDEO_ADDED, |
| UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, |
| UsageEvent::ICE_STATE_CONNECTED, UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| // In this case, we may or may not have PRIVATE_CANDIDATE_COLLECTED, |
| // depending on the machine configuration. |
| EXPECT_METRIC_EQ(2, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_TRUE( |
| webrtc::metrics::NumEvents(kUsagePatternMetric, expected_fingerprint) == |
| 2 || |
| webrtc::metrics::NumEvents( |
| kUsagePatternMetric, |
| expected_fingerprint | |
| static_cast<int>(UsageEvent::PRIVATE_CANDIDATE_COLLECTED)) == 2); |
| } |
| |
| // Test getting the usage fingerprint when the caller collects an mDNS |
| // candidate. |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintWithMdnsCaller) { |
| RTCConfiguration config; |
| config.sdp_semantics = SdpSemantics::kUnifiedPlan; |
| |
| // Enable hostname candidates with mDNS names. |
| auto caller = CreatePeerConnectionWithMdns(config); |
| auto callee = CreatePeerConnection(config); |
| |
| caller->AddAudioTrack("audio"); |
| caller->AddVideoTrack("video"); |
| ASSERT_TRUE(caller->ConnectTo(callee.get())); |
| caller->pc()->Close(); |
| callee->pc()->Close(); |
| |
| int expected_fingerprint_caller = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::VIDEO_ADDED, |
| UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::MDNS_CANDIDATE_COLLECTED, |
| UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| |
| // Without a resolver, the callee cannot resolve the received mDNS candidate |
| // but can still connect with the caller via a prflx candidate. As a result, |
| // the bit for the direct connection should not be logged. |
| int expected_fingerprint_callee = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::VIDEO_ADDED, |
| UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, |
| UsageEvent::REMOTE_MDNS_CANDIDATE_ADDED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::REMOTE_CANDIDATE_ADDED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(2, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_caller)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_callee)); |
| } |
| |
| // Test getting the usage fingerprint when the callee collects an mDNS |
| // candidate. |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintWithMdnsCallee) { |
| RTCConfiguration config; |
| config.sdp_semantics = SdpSemantics::kUnifiedPlan; |
| |
| // Enable hostname candidates with mDNS names. |
| auto caller = CreatePeerConnection(config); |
| auto callee = CreatePeerConnectionWithMdns(config); |
| |
| caller->AddAudioTrack("audio"); |
| caller->AddVideoTrack("video"); |
| ASSERT_TRUE(caller->ConnectTo(callee.get())); |
| caller->pc()->Close(); |
| callee->pc()->Close(); |
| |
| // Similar to the test above, the caller connects with the callee via a prflx |
| // candidate. |
| int expected_fingerprint_caller = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::VIDEO_ADDED, |
| UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, |
| UsageEvent::REMOTE_MDNS_CANDIDATE_ADDED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::REMOTE_CANDIDATE_ADDED, UsageEvent::CLOSE_CALLED}); |
| |
| int expected_fingerprint_callee = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::VIDEO_ADDED, |
| UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::MDNS_CANDIDATE_COLLECTED, |
| UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(2, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_caller)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_callee)); |
| } |
| |
| #ifdef WEBRTC_HAVE_SCTP |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintDataOnly) { |
| auto caller = CreatePeerConnection(); |
| auto callee = CreatePeerConnection(); |
| caller->CreateDataChannel("foodata"); |
| ASSERT_TRUE(caller->ConnectTo(callee.get())); |
| ASSERT_TRUE_WAIT(callee->HaveDataChannel(), kDefaultTimeout); |
| caller->pc()->Close(); |
| callee->pc()->Close(); |
| int expected_fingerprint = MakeUsageFingerprint( |
| {UsageEvent::DATA_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, |
| UsageEvent::ICE_STATE_CONNECTED, UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(2, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_TRUE( |
| webrtc::metrics::NumEvents(kUsagePatternMetric, expected_fingerprint) == |
| 2 || |
| webrtc::metrics::NumEvents( |
| kUsagePatternMetric, |
| expected_fingerprint | |
| static_cast<int>(UsageEvent::PRIVATE_CANDIDATE_COLLECTED)) == 2); |
| } |
| #endif // WEBRTC_HAVE_SCTP |
| #endif // WEBRTC_ANDROID |
| |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintStunTurn) { |
| RTCConfiguration configuration; |
| configuration.sdp_semantics = SdpSemantics::kUnifiedPlan; |
| PeerConnection::IceServer server; |
| server.urls = {"stun:dummy.stun.server"}; |
| configuration.servers.push_back(server); |
| server.urls = {"turn:dummy.turn.server"}; |
| server.username = "username"; |
| server.password = "password"; |
| configuration.servers.push_back(server); |
| auto caller = CreatePeerConnection(configuration); |
| ASSERT_TRUE(caller); |
| caller->pc()->Close(); |
| int expected_fingerprint = MakeUsageFingerprint( |
| {UsageEvent::STUN_SERVER_ADDED, UsageEvent::TURN_SERVER_ADDED, |
| UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_EQ( |
| 1, webrtc::metrics::NumEvents(kUsagePatternMetric, expected_fingerprint)); |
| } |
| |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintStunTurnInReconfiguration) { |
| RTCConfiguration configuration; |
| configuration.sdp_semantics = SdpSemantics::kUnifiedPlan; |
| PeerConnection::IceServer server; |
| server.urls = {"stun:dummy.stun.server"}; |
| configuration.servers.push_back(server); |
| server.urls = {"turn:dummy.turn.server"}; |
| server.username = "username"; |
| server.password = "password"; |
| configuration.servers.push_back(server); |
| auto caller = CreatePeerConnection(); |
| ASSERT_TRUE(caller); |
| ASSERT_TRUE(caller->pc()->SetConfiguration(configuration).ok()); |
| caller->pc()->Close(); |
| int expected_fingerprint = MakeUsageFingerprint( |
| {UsageEvent::STUN_SERVER_ADDED, UsageEvent::TURN_SERVER_ADDED, |
| UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_EQ( |
| 1, webrtc::metrics::NumEvents(kUsagePatternMetric, expected_fingerprint)); |
| } |
| |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintWithPrivateIPCaller) { |
| auto caller = CreatePeerConnectionWithPrivateLocalAddresses(); |
| auto callee = CreatePeerConnection(); |
| caller->AddAudioTrack("audio"); |
| ASSERT_TRUE(caller->ConnectTo(callee.get())); |
| caller->pc()->Close(); |
| callee->pc()->Close(); |
| |
| int expected_fingerprint_caller = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::PRIVATE_CANDIDATE_COLLECTED, |
| UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| |
| int expected_fingerprint_callee = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, |
| UsageEvent::REMOTE_PRIVATE_CANDIDATE_ADDED, |
| UsageEvent::ICE_STATE_CONNECTED, UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(2, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_caller)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_callee)); |
| } |
| |
| TEST_F(PeerConnectionUsageHistogramTest, FingerprintWithPrivateIpv6Callee) { |
| auto caller = CreatePeerConnection(); |
| auto callee = CreatePeerConnectionWithPrivateIpv6LocalAddresses(); |
| caller->AddAudioTrack("audio"); |
| ASSERT_TRUE(caller->ConnectTo(callee.get())); |
| caller->pc()->Close(); |
| callee->pc()->Close(); |
| |
| int expected_fingerprint_caller = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, |
| UsageEvent::REMOTE_PRIVATE_CANDIDATE_ADDED, |
| UsageEvent::ICE_STATE_CONNECTED, UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::REMOTE_IPV6_CANDIDATE_ADDED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| |
| int expected_fingerprint_callee = MakeUsageFingerprint( |
| {UsageEvent::AUDIO_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::PRIVATE_CANDIDATE_COLLECTED, |
| UsageEvent::IPV6_CANDIDATE_COLLECTED, |
| UsageEvent::ADD_ICE_CANDIDATE_SUCCEEDED, |
| UsageEvent::REMOTE_CANDIDATE_ADDED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(2, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_caller)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_callee)); |
| } |
| |
| #ifndef WEBRTC_ANDROID |
| #ifdef WEBRTC_HAVE_SCTP |
| // Test that the usage pattern bits for adding remote (private IPv6) candidates |
| // are set when the remote candidates are retrieved from the Offer SDP instead |
| // of trickled ICE messages. |
| TEST_F(PeerConnectionUsageHistogramTest, |
| AddRemoteCandidatesFromRemoteDescription) { |
| // We construct the following data-channel-only scenario. The caller collects |
| // IPv6 private local candidates and appends them in the Offer as in |
| // non-trickled sessions. The callee collects mDNS candidates that are not |
| // contained in the Answer as in Trickle ICE. Only the Offer and Answer are |
| // signaled and we expect a connection with prflx remote candidates at the |
| // caller side. |
| auto caller = CreatePeerConnectionWithPrivateIpv6LocalAddresses(); |
| RTCConfiguration config; |
| config.sdp_semantics = SdpSemantics::kUnifiedPlan; |
| auto callee = CreatePeerConnectionWithMdns(config); |
| caller->CreateDataChannel("test_channel"); |
| ASSERT_TRUE(caller->SetLocalDescription(caller->CreateOffer())); |
| // Wait until the gathering completes so that the session description would |
| // have contained ICE candidates. |
| EXPECT_EQ_WAIT(webrtc::PeerConnectionInterface::kIceGatheringComplete, |
| caller->ice_gathering_state(), kDefaultTimeout); |
| EXPECT_TRUE(caller->observer()->candidate_gathered()); |
| // Get the current offer that contains candidates and pass it to the callee. |
| // |
| // Note that we cannot use CloneSessionDescription on `cur_offer` to obtain an |
| // SDP with candidates. The method above does not strictly copy everything, in |
| // particular, not copying the ICE candidates. |
| // TODO(qingsi): Technically, this is a bug. Fix it. |
| auto cur_offer = caller->pc()->local_description(); |
| ASSERT_TRUE(cur_offer); |
| std::string sdp_with_candidates_str; |
| cur_offer->ToString(&sdp_with_candidates_str); |
| auto offer = std::make_unique<JsepSessionDescription>(SdpType::kOffer); |
| ASSERT_TRUE(SdpDeserialize(sdp_with_candidates_str, offer.get(), |
| nullptr /* error */)); |
| ASSERT_TRUE(callee->SetRemoteDescription(std::move(offer))); |
| |
| // By default, the Answer created does not contain ICE candidates. |
| auto answer = callee->CreateAnswer(); |
| callee->SetLocalDescription(CloneSessionDescription(answer.get())); |
| caller->SetRemoteDescription(std::move(answer)); |
| EXPECT_TRUE_WAIT(caller->IsConnected(), kDefaultTimeout); |
| EXPECT_TRUE_WAIT(callee->IsConnected(), kDefaultTimeout); |
| // The callee needs to process the open message to have the data channel open. |
| EXPECT_TRUE_WAIT(callee->observer()->last_datachannel_ != nullptr, |
| kDefaultTimeout); |
| caller->pc()->Close(); |
| callee->pc()->Close(); |
| |
| // The caller should not have added any remote candidate either via |
| // AddIceCandidate or from the remote description. Also, the caller connects |
| // with the callee via a prflx candidate and hence no direct connection bit |
| // should be set. |
| int expected_fingerprint_caller = MakeUsageFingerprint( |
| {UsageEvent::DATA_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::PRIVATE_CANDIDATE_COLLECTED, |
| UsageEvent::IPV6_CANDIDATE_COLLECTED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::CLOSE_CALLED}); |
| |
| int expected_fingerprint_callee = MakeUsageFingerprint( |
| {UsageEvent::DATA_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::SET_REMOTE_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::MDNS_CANDIDATE_COLLECTED, |
| UsageEvent::REMOTE_CANDIDATE_ADDED, |
| UsageEvent::REMOTE_PRIVATE_CANDIDATE_ADDED, |
| UsageEvent::REMOTE_IPV6_CANDIDATE_ADDED, UsageEvent::ICE_STATE_CONNECTED, |
| UsageEvent::DIRECT_CONNECTION_SELECTED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(2, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_caller)); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumEvents(kUsagePatternMetric, |
| expected_fingerprint_callee)); |
| } |
| |
| TEST_F(PeerConnectionUsageHistogramTest, NotableUsageNoted) { |
| auto caller = CreatePeerConnection(); |
| caller->CreateDataChannel("foo"); |
| caller->GenerateOfferAndCollectCandidates(); |
| caller->pc()->Close(); |
| int expected_fingerprint = MakeUsageFingerprint( |
| {UsageEvent::DATA_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| EXPECT_METRIC_TRUE( |
| expected_fingerprint == ObservedFingerprint() || |
| (expected_fingerprint | |
| static_cast<int>(UsageEvent::PRIVATE_CANDIDATE_COLLECTED)) == |
| ObservedFingerprint()); |
| EXPECT_METRIC_EQ(absl::make_optional(ObservedFingerprint()), |
| caller->observer()->interesting_usage_detected()); |
| } |
| |
| TEST_F(PeerConnectionUsageHistogramTest, NotableUsageOnEventFiring) { |
| auto caller = CreatePeerConnection(); |
| caller->CreateDataChannel("foo"); |
| caller->GenerateOfferAndCollectCandidates(); |
| int expected_fingerprint = MakeUsageFingerprint( |
| {UsageEvent::DATA_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED}); |
| EXPECT_METRIC_EQ(0, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| caller->GetInternalPeerConnection()->RequestUsagePatternReportForTesting(); |
| EXPECT_METRIC_EQ_WAIT(1, webrtc::metrics::NumSamples(kUsagePatternMetric), |
| kDefaultTimeout); |
| EXPECT_METRIC_TRUE( |
| expected_fingerprint == ObservedFingerprint() || |
| (expected_fingerprint | |
| static_cast<int>(UsageEvent::PRIVATE_CANDIDATE_COLLECTED)) == |
| ObservedFingerprint()); |
| EXPECT_METRIC_EQ(absl::make_optional(ObservedFingerprint()), |
| caller->observer()->interesting_usage_detected()); |
| } |
| |
| TEST_F(PeerConnectionUsageHistogramTest, |
| NoNotableUsageOnEventFiringAfterClose) { |
| auto caller = CreatePeerConnection(); |
| caller->CreateDataChannel("foo"); |
| caller->GenerateOfferAndCollectCandidates(); |
| int expected_fingerprint = MakeUsageFingerprint( |
| {UsageEvent::DATA_ADDED, UsageEvent::SET_LOCAL_DESCRIPTION_SUCCEEDED, |
| UsageEvent::CANDIDATE_COLLECTED, UsageEvent::CLOSE_CALLED}); |
| EXPECT_METRIC_EQ(0, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| caller->pc()->Close(); |
| EXPECT_METRIC_EQ(1, webrtc::metrics::NumSamples(kUsagePatternMetric)); |
| caller->GetInternalPeerConnection()->RequestUsagePatternReportForTesting(); |
| caller->observer()->ClearInterestingUsageDetector(); |
| EXPECT_METRIC_EQ_WAIT(2, webrtc::metrics::NumSamples(kUsagePatternMetric), |
| kDefaultTimeout); |
| EXPECT_METRIC_TRUE( |
| expected_fingerprint == ObservedFingerprint() || |
| (expected_fingerprint | |
| static_cast<int>(UsageEvent::PRIVATE_CANDIDATE_COLLECTED)) == |
| ObservedFingerprint()); |
| // After close, the usage-detection callback should NOT have been called. |
| EXPECT_METRIC_FALSE(caller->observer()->interesting_usage_detected()); |
| } |
| #endif |
| #endif |
| |
| } // namespace webrtc |
