Move network emulation framework under test/network
Bug: webrtc:10138 Change-Id: I654bc124866241ceca65462937e2fad6294cc62b Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144622 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28492}
This commit is contained in:
Artem Titov
187
test/network/network_emulation_pc_unittest.cc
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187
test/network/network_emulation_pc_unittest.cc
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/*
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* Copyright 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <cstdint>
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#include <memory>
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#include "absl/memory/memory.h"
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#include "api/call/call_factory_interface.h"
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#include "api/peer_connection_interface.h"
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#include "api/rtc_event_log/rtc_event_log_factory.h"
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#include "api/scoped_refptr.h"
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#include "api/task_queue/default_task_queue_factory.h"
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#include "call/simulated_network.h"
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#include "media/engine/webrtc_media_engine.h"
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#include "media/engine/webrtc_media_engine_defaults.h"
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#include "modules/audio_device/include/test_audio_device.h"
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#include "p2p/client/basic_port_allocator.h"
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#include "pc/peer_connection_wrapper.h"
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#include "pc/test/mock_peer_connection_observers.h"
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#include "rtc_base/gunit.h"
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#include "test/gmock.h"
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#include "test/gtest.h"
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#include "test/network/network_emulation.h"
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#include "test/network/network_emulation_manager.h"
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namespace webrtc {
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namespace test {
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namespace {
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constexpr int kDefaultTimeoutMs = 1000;
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constexpr int kMaxAptitude = 32000;
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constexpr int kSamplingFrequency = 48000;
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constexpr char kSignalThreadName[] = "signaling_thread";
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bool AddIceCandidates(PeerConnectionWrapper* peer,
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std::vector<const IceCandidateInterface*> candidates) {
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bool success = true;
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for (const auto candidate : candidates) {
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if (!peer->pc()->AddIceCandidate(candidate)) {
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success = false;
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}
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}
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return success;
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}
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rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory(
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rtc::Thread* signaling_thread,
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rtc::Thread* network_thread) {
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PeerConnectionFactoryDependencies pcf_deps;
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pcf_deps.task_queue_factory = CreateDefaultTaskQueueFactory();
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pcf_deps.call_factory = CreateCallFactory();
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pcf_deps.event_log_factory =
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absl::make_unique<RtcEventLogFactory>(pcf_deps.task_queue_factory.get());
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pcf_deps.network_thread = network_thread;
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pcf_deps.signaling_thread = signaling_thread;
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cricket::MediaEngineDependencies media_deps;
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media_deps.task_queue_factory = pcf_deps.task_queue_factory.get();
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media_deps.adm = TestAudioDeviceModule::Create(
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media_deps.task_queue_factory,
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TestAudioDeviceModule::CreatePulsedNoiseCapturer(kMaxAptitude,
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kSamplingFrequency),
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TestAudioDeviceModule::CreateDiscardRenderer(kSamplingFrequency),
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/*speed=*/1.f);
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SetMediaEngineDefaults(&media_deps);
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pcf_deps.media_engine = cricket::CreateMediaEngine(std::move(media_deps));
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return CreateModularPeerConnectionFactory(std::move(pcf_deps));
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}
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rtc::scoped_refptr<PeerConnectionInterface> CreatePeerConnection(
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const rtc::scoped_refptr<PeerConnectionFactoryInterface>& pcf,
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PeerConnectionObserver* observer,
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rtc::NetworkManager* network_manager) {
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PeerConnectionDependencies pc_deps(observer);
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auto port_allocator =
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absl::make_unique<cricket::BasicPortAllocator>(network_manager);
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// This test does not support TCP
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int flags = cricket::PORTALLOCATOR_DISABLE_TCP;
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port_allocator->set_flags(port_allocator->flags() | flags);
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pc_deps.allocator = std::move(port_allocator);
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PeerConnectionInterface::RTCConfiguration rtc_configuration;
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rtc_configuration.sdp_semantics = SdpSemantics::kUnifiedPlan;
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return pcf->CreatePeerConnection(rtc_configuration, std::move(pc_deps));
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}
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} // namespace
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TEST(NetworkEmulationManagerPCTest, Run) {
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std::unique_ptr<rtc::Thread> signaling_thread = rtc::Thread::Create();
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signaling_thread->SetName(kSignalThreadName, nullptr);
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signaling_thread->Start();
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// Setup emulated network
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NetworkEmulationManagerImpl emulation;
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EmulatedNetworkNode* alice_node = emulation.CreateEmulatedNode(
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absl::make_unique<SimulatedNetwork>(BuiltInNetworkBehaviorConfig()));
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EmulatedNetworkNode* bob_node = emulation.CreateEmulatedNode(
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absl::make_unique<SimulatedNetwork>(BuiltInNetworkBehaviorConfig()));
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EmulatedEndpoint* alice_endpoint =
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emulation.CreateEndpoint(EmulatedEndpointConfig());
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EmulatedEndpoint* bob_endpoint =
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emulation.CreateEndpoint(EmulatedEndpointConfig());
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emulation.CreateRoute(alice_endpoint, {alice_node}, bob_endpoint);
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emulation.CreateRoute(bob_endpoint, {bob_node}, alice_endpoint);
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EmulatedNetworkManagerInterface* alice_network =
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emulation.CreateEmulatedNetworkManagerInterface({alice_endpoint});
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EmulatedNetworkManagerInterface* bob_network =
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emulation.CreateEmulatedNetworkManagerInterface({bob_endpoint});
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// Setup peer connections.
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rtc::scoped_refptr<PeerConnectionFactoryInterface> alice_pcf;
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rtc::scoped_refptr<PeerConnectionInterface> alice_pc;
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std::unique_ptr<MockPeerConnectionObserver> alice_observer =
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absl::make_unique<MockPeerConnectionObserver>();
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rtc::scoped_refptr<PeerConnectionFactoryInterface> bob_pcf;
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rtc::scoped_refptr<PeerConnectionInterface> bob_pc;
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std::unique_ptr<MockPeerConnectionObserver> bob_observer =
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absl::make_unique<MockPeerConnectionObserver>();
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signaling_thread->Invoke<void>(RTC_FROM_HERE, [&]() {
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alice_pcf = CreatePeerConnectionFactory(signaling_thread.get(),
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alice_network->network_thread());
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alice_pc = CreatePeerConnection(alice_pcf, alice_observer.get(),
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alice_network->network_manager());
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bob_pcf = CreatePeerConnectionFactory(signaling_thread.get(),
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bob_network->network_thread());
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bob_pc = CreatePeerConnection(bob_pcf, bob_observer.get(),
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bob_network->network_manager());
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});
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std::unique_ptr<PeerConnectionWrapper> alice =
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absl::make_unique<PeerConnectionWrapper>(alice_pcf, alice_pc,
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std::move(alice_observer));
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std::unique_ptr<PeerConnectionWrapper> bob =
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absl::make_unique<PeerConnectionWrapper>(bob_pcf, bob_pc,
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std::move(bob_observer));
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signaling_thread->Invoke<void>(RTC_FROM_HERE, [&]() {
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rtc::scoped_refptr<webrtc::AudioSourceInterface> source =
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alice_pcf->CreateAudioSource(cricket::AudioOptions());
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rtc::scoped_refptr<AudioTrackInterface> track =
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alice_pcf->CreateAudioTrack("audio", source);
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alice->AddTransceiver(track);
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// Connect peers.
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ASSERT_TRUE(alice->ExchangeOfferAnswerWith(bob.get()));
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// Do the SDP negotiation, and also exchange ice candidates.
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ASSERT_TRUE_WAIT(
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alice->signaling_state() == PeerConnectionInterface::kStable,
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kDefaultTimeoutMs);
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ASSERT_TRUE_WAIT(alice->IsIceGatheringDone(), kDefaultTimeoutMs);
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ASSERT_TRUE_WAIT(bob->IsIceGatheringDone(), kDefaultTimeoutMs);
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// Connect an ICE candidate pairs.
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ASSERT_TRUE(
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AddIceCandidates(bob.get(), alice->observer()->GetAllCandidates()));
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ASSERT_TRUE(
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AddIceCandidates(alice.get(), bob->observer()->GetAllCandidates()));
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// This means that ICE and DTLS are connected.
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ASSERT_TRUE_WAIT(bob->IsIceConnected(), kDefaultTimeoutMs);
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ASSERT_TRUE_WAIT(alice->IsIceConnected(), kDefaultTimeoutMs);
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// Close peer connections
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alice->pc()->Close();
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bob->pc()->Close();
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// Delete peers.
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alice.reset();
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bob.reset();
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});
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}
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} // namespace test
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} // namespace webrtc
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