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/*
* Copyright 2018 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "pc/jsep_transport_controller.h"
#include <map>
#include <string>
#include <utility>
#include "api/dtls_transport_interface.h"
#include "api/environment/environment_factory.h"
#include "api/transport/enums.h"
#include "p2p/base/candidate_pair_interface.h"
#include "p2p/base/dtls_transport_factory.h"
#include "p2p/base/fake_dtls_transport.h"
#include "p2p/base/fake_ice_transport.h"
#include "p2p/base/p2p_constants.h"
#include "p2p/base/transport_info.h"
#include "rtc_base/fake_ssl_identity.h"
#include "rtc_base/gunit.h"
#include "rtc_base/logging.h"
#include "rtc_base/net_helper.h"
#include "rtc_base/socket_address.h"
#include "rtc_base/ssl_fingerprint.h"
#include "rtc_base/ssl_identity.h"
#include "rtc_base/task_queue_for_test.h"
#include "rtc_base/thread.h"
#include "test/gtest.h"
#include "test/scoped_key_value_config.h"
using cricket::Candidate;
using cricket::Candidates;
using cricket::FakeDtlsTransport;
using webrtc::SdpType;
static const int kTimeout = 100;
static const char kIceUfrag1[] = "u0001";
static const char kIcePwd1[] = "TESTICEPWD00000000000001";
static const char kIceUfrag2[] = "u0002";
static const char kIcePwd2[] = "TESTICEPWD00000000000002";
static const char kIceUfrag3[] = "u0003";
static const char kIcePwd3[] = "TESTICEPWD00000000000003";
static const char kIceUfrag4[] = "u0004";
static const char kIcePwd4[] = "TESTICEPWD00000000000004";
static const char kAudioMid1[] = "audio1";
static const char kAudioMid2[] = "audio2";
static const char kVideoMid1[] = "video1";
static const char kVideoMid2[] = "video2";
static const char kDataMid1[] = "data1";
namespace webrtc {
class FakeIceTransportFactory : public IceTransportFactory {
public:
~FakeIceTransportFactory() override = default;
rtc::scoped_refptr<IceTransportInterface> CreateIceTransport(
const std::string& transport_name,
int component,
IceTransportInit init) override {
return rtc::make_ref_counted<cricket::FakeIceTransportWrapper>(
std::make_unique<cricket::FakeIceTransport>(transport_name, component));
}
};
class FakeDtlsTransportFactory : public cricket::DtlsTransportFactory {
public:
std::unique_ptr<cricket::DtlsTransportInternal> CreateDtlsTransport(
cricket::IceTransportInternal* ice,
const CryptoOptions& crypto_options,
rtc::SSLProtocolVersion max_version) override {
return std::make_unique<FakeDtlsTransport>(
static_cast<cricket::FakeIceTransport*>(ice));
}
};
class JsepTransportControllerTest : public JsepTransportController::Observer,
public ::testing::Test,
public sigslot::has_slots<> {
public:
JsepTransportControllerTest()
: env_(CreateEnvironment(&field_trials_)),
signaling_thread_(rtc::Thread::Current()) {
fake_ice_transport_factory_ = std::make_unique<FakeIceTransportFactory>();
fake_dtls_transport_factory_ = std::make_unique<FakeDtlsTransportFactory>();
}
void CreateJsepTransportController(
JsepTransportController::Config config,
rtc::Thread* network_thread = rtc::Thread::Current(),
cricket::PortAllocator* port_allocator = nullptr) {
config.transport_observer = this;
config.rtcp_handler = [](const rtc::CopyOnWriteBuffer& packet,
int64_t packet_time_us) {
RTC_DCHECK_NOTREACHED();
};
config.ice_transport_factory = fake_ice_transport_factory_.get();
config.dtls_transport_factory = fake_dtls_transport_factory_.get();
config.on_dtls_handshake_error_ = [](rtc::SSLHandshakeError s) {};
transport_controller_ = std::make_unique<JsepTransportController>(
env_, network_thread, port_allocator,
nullptr /* async_resolver_factory */, std::move(config));
SendTask(network_thread, [&] { ConnectTransportControllerSignals(); });
}
void ConnectTransportControllerSignals() {
transport_controller_->SubscribeIceConnectionState(
[this](cricket::IceConnectionState s) {
JsepTransportControllerTest::OnConnectionState(s);
});
transport_controller_->SubscribeConnectionState(
[this](PeerConnectionInterface::PeerConnectionState s) {
JsepTransportControllerTest::OnCombinedConnectionState(s);
});
transport_controller_->SubscribeStandardizedIceConnectionState(
[this](PeerConnectionInterface::IceConnectionState s) {
JsepTransportControllerTest::OnStandardizedIceConnectionState(s);
});
transport_controller_->SubscribeIceGatheringState(
[this](cricket::IceGatheringState s) {
JsepTransportControllerTest::OnGatheringState(s);
});
transport_controller_->SubscribeIceCandidateGathered(
[this](const std::string& transport,
const std::vector<cricket::Candidate>& candidates) {
JsepTransportControllerTest::OnCandidatesGathered(transport,
candidates);
});
}
std::unique_ptr<cricket::SessionDescription>
CreateSessionDescriptionWithoutBundle() {
auto description = std::make_unique<cricket::SessionDescription>();
AddAudioSection(description.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(description.get(), kVideoMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
return description;
}
std::unique_ptr<cricket::SessionDescription>
CreateSessionDescriptionWithBundleGroup() {
auto description = CreateSessionDescriptionWithoutBundle();
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
description->AddGroup(bundle_group);
return description;
}
std::unique_ptr<cricket::SessionDescription>
CreateSessionDescriptionWithBundledData() {
auto description = CreateSessionDescriptionWithoutBundle();
AddDataSection(description.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
bundle_group.AddContentName(kDataMid1);
description->AddGroup(bundle_group);
return description;
}
void AddAudioSection(cricket::SessionDescription* description,
const std::string& mid,
const std::string& ufrag,
const std::string& pwd,
cricket::IceMode ice_mode,
cricket::ConnectionRole conn_role,
rtc::scoped_refptr<rtc::RTCCertificate> cert) {
std::unique_ptr<cricket::AudioContentDescription> audio(
new cricket::AudioContentDescription());
// Set RTCP-mux to be true because the default policy is "mux required".
audio->set_rtcp_mux(true);
description->AddContent(mid, cricket::MediaProtocolType::kRtp,
/*rejected=*/false, std::move(audio));
AddTransportInfo(description, mid, ufrag, pwd, ice_mode, conn_role, cert);
}
void AddVideoSection(cricket::SessionDescription* description,
const std::string& mid,
const std::string& ufrag,
const std::string& pwd,
cricket::IceMode ice_mode,
cricket::ConnectionRole conn_role,
rtc::scoped_refptr<rtc::RTCCertificate> cert) {
std::unique_ptr<cricket::VideoContentDescription> video(
new cricket::VideoContentDescription());
// Set RTCP-mux to be true because the default policy is "mux required".
video->set_rtcp_mux(true);
description->AddContent(mid, cricket::MediaProtocolType::kRtp,
/*rejected=*/false, std::move(video));
AddTransportInfo(description, mid, ufrag, pwd, ice_mode, conn_role, cert);
}
void AddDataSection(cricket::SessionDescription* description,
const std::string& mid,
cricket::MediaProtocolType protocol_type,
const std::string& ufrag,
const std::string& pwd,
cricket::IceMode ice_mode,
cricket::ConnectionRole conn_role,
rtc::scoped_refptr<rtc::RTCCertificate> cert) {
RTC_CHECK(protocol_type == cricket::MediaProtocolType::kSctp);
std::unique_ptr<cricket::SctpDataContentDescription> data(
new cricket::SctpDataContentDescription());
data->set_rtcp_mux(true);
description->AddContent(mid, protocol_type,
/*rejected=*/false, std::move(data));
AddTransportInfo(description, mid, ufrag, pwd, ice_mode, conn_role, cert);
}
void AddTransportInfo(cricket::SessionDescription* description,
const std::string& mid,
const std::string& ufrag,
const std::string& pwd,
cricket::IceMode ice_mode,
cricket::ConnectionRole conn_role,
rtc::scoped_refptr<rtc::RTCCertificate> cert) {
std::unique_ptr<rtc::SSLFingerprint> fingerprint;
if (cert) {
fingerprint = rtc::SSLFingerprint::CreateFromCertificate(*cert);
}
cricket::TransportDescription transport_desc(std::vector<std::string>(),
ufrag, pwd, ice_mode,
conn_role, fingerprint.get());
description->AddTransportInfo(cricket::TransportInfo(mid, transport_desc));
}
cricket::IceConfig CreateIceConfig(
int receiving_timeout,
cricket::ContinualGatheringPolicy continual_gathering_policy) {
cricket::IceConfig config;
config.receiving_timeout = receiving_timeout;
config.continual_gathering_policy = continual_gathering_policy;
return config;
}
Candidate CreateCandidate(const std::string& transport_name, int component) {
Candidate c;
c.set_transport_name(transport_name);
c.set_address(rtc::SocketAddress("192.168.1.1", 8000));
c.set_component(component);
c.set_protocol(cricket::UDP_PROTOCOL_NAME);
c.set_priority(1);
return c;
}
void CreateLocalDescriptionAndCompleteConnectionOnNetworkThread() {
if (!network_thread_->IsCurrent()) {
SendTask(network_thread_.get(), [&] {
CreateLocalDescriptionAndCompleteConnectionOnNetworkThread();
});
return;
}
auto description = CreateSessionDescriptionWithBundleGroup();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
transport_controller_->MaybeStartGathering();
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
auto fake_video_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kVideoMid1));
fake_audio_dtls->fake_ice_transport()->SignalCandidateGathered(
fake_audio_dtls->fake_ice_transport(),
CreateCandidate(kAudioMid1, /*component=*/1));
fake_video_dtls->fake_ice_transport()->SignalCandidateGathered(
fake_video_dtls->fake_ice_transport(),
CreateCandidate(kVideoMid1, /*component=*/1));
fake_audio_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
fake_video_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
fake_audio_dtls->fake_ice_transport()->SetConnectionCount(2);
fake_video_dtls->fake_ice_transport()->SetConnectionCount(2);
fake_audio_dtls->SetReceiving(true);
fake_video_dtls->SetReceiving(true);
fake_audio_dtls->SetWritable(true);
fake_video_dtls->SetWritable(true);
fake_audio_dtls->fake_ice_transport()->SetConnectionCount(1);
fake_video_dtls->fake_ice_transport()->SetConnectionCount(1);
}
protected:
void OnConnectionState(cricket::IceConnectionState state) {
ice_signaled_on_thread_ = rtc::Thread::Current();
connection_state_ = state;
++connection_state_signal_count_;
}
void OnStandardizedIceConnectionState(
PeerConnectionInterface::IceConnectionState state) {
ice_signaled_on_thread_ = rtc::Thread::Current();
ice_connection_state_ = state;
++ice_connection_state_signal_count_;
}
void OnCombinedConnectionState(
PeerConnectionInterface::PeerConnectionState state) {
RTC_LOG(LS_INFO) << "OnCombinedConnectionState: "
<< static_cast<int>(state);
ice_signaled_on_thread_ = rtc::Thread::Current();
combined_connection_state_ = state;
++combined_connection_state_signal_count_;
}
void OnGatheringState(cricket::IceGatheringState state) {
ice_signaled_on_thread_ = rtc::Thread::Current();
gathering_state_ = state;
++gathering_state_signal_count_;
}
void OnCandidatesGathered(const std::string& transport_name,
const Candidates& candidates) {
ice_signaled_on_thread_ = rtc::Thread::Current();
candidates_[transport_name].insert(candidates_[transport_name].end(),
candidates.begin(), candidates.end());
++candidates_signal_count_;
}
// JsepTransportController::Observer overrides.
bool OnTransportChanged(
const std::string& mid,
RtpTransportInternal* rtp_transport,
rtc::scoped_refptr<DtlsTransport> dtls_transport,
DataChannelTransportInterface* data_channel_transport) override {
changed_rtp_transport_by_mid_[mid] = rtp_transport;
if (dtls_transport) {
changed_dtls_transport_by_mid_[mid] = dtls_transport->internal();
} else {
changed_dtls_transport_by_mid_[mid] = nullptr;
}
return true;
}
test::ScopedKeyValueConfig field_trials_;
Environment env_;
rtc::AutoThread main_thread_;
// Information received from signals from transport controller.
cricket::IceConnectionState connection_state_ =
cricket::kIceConnectionConnecting;
PeerConnectionInterface::IceConnectionState ice_connection_state_ =
PeerConnectionInterface::kIceConnectionNew;
PeerConnectionInterface::PeerConnectionState combined_connection_state_ =
PeerConnectionInterface::PeerConnectionState::kNew;
bool receiving_ = false;
cricket::IceGatheringState gathering_state_ = cricket::kIceGatheringNew;
// transport_name => candidates
std::map<std::string, Candidates> candidates_;
// Counts of each signal emitted.
int connection_state_signal_count_ = 0;
int ice_connection_state_signal_count_ = 0;
int combined_connection_state_signal_count_ = 0;
int receiving_signal_count_ = 0;
int gathering_state_signal_count_ = 0;
int candidates_signal_count_ = 0;
// `network_thread_` should be destroyed after `transport_controller_`
std::unique_ptr<rtc::Thread> network_thread_;
std::unique_ptr<FakeIceTransportFactory> fake_ice_transport_factory_;
std::unique_ptr<FakeDtlsTransportFactory> fake_dtls_transport_factory_;
rtc::Thread* const signaling_thread_ = nullptr;
rtc::Thread* ice_signaled_on_thread_ = nullptr;
// Used to verify the SignalRtpTransportChanged/SignalDtlsTransportChanged are
// signaled correctly.
std::map<std::string, RtpTransportInternal*> changed_rtp_transport_by_mid_;
std::map<std::string, cricket::DtlsTransportInternal*>
changed_dtls_transport_by_mid_;
// Transport controller needs to be destroyed first, because it may issue
// callbacks that modify the changed_*_by_mid in the destructor.
std::unique_ptr<JsepTransportController> transport_controller_;
};
TEST_F(JsepTransportControllerTest, GetRtpTransport) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
auto audio_rtp_transport = transport_controller_->GetRtpTransport(kAudioMid1);
auto video_rtp_transport = transport_controller_->GetRtpTransport(kVideoMid1);
EXPECT_NE(nullptr, audio_rtp_transport);
EXPECT_NE(nullptr, video_rtp_transport);
EXPECT_NE(audio_rtp_transport, video_rtp_transport);
// Return nullptr for non-existing ones.
EXPECT_EQ(nullptr, transport_controller_->GetRtpTransport(kAudioMid2));
}
TEST_F(JsepTransportControllerTest, GetDtlsTransport) {
JsepTransportController::Config config;
config.rtcp_mux_policy = PeerConnectionInterface::kRtcpMuxPolicyNegotiate;
CreateJsepTransportController(std::move(config));
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
EXPECT_NE(nullptr, transport_controller_->GetDtlsTransport(kAudioMid1));
EXPECT_NE(nullptr, transport_controller_->GetRtcpDtlsTransport(kAudioMid1));
EXPECT_NE(nullptr,
transport_controller_->LookupDtlsTransportByMid(kAudioMid1));
EXPECT_NE(nullptr, transport_controller_->GetDtlsTransport(kVideoMid1));
EXPECT_NE(nullptr, transport_controller_->GetRtcpDtlsTransport(kVideoMid1));
EXPECT_NE(nullptr,
transport_controller_->LookupDtlsTransportByMid(kVideoMid1));
// Lookup for all MIDs should return different transports (no bundle)
EXPECT_NE(transport_controller_->LookupDtlsTransportByMid(kAudioMid1),
transport_controller_->LookupDtlsTransportByMid(kVideoMid1));
// Return nullptr for non-existing ones.
EXPECT_EQ(nullptr, transport_controller_->GetDtlsTransport(kVideoMid2));
EXPECT_EQ(nullptr, transport_controller_->GetRtcpDtlsTransport(kVideoMid2));
EXPECT_EQ(nullptr,
transport_controller_->LookupDtlsTransportByMid(kVideoMid2));
// Take a pointer to a transport, shut down the transport controller,
// and verify that the resulting container is empty.
auto dtls_transport =
transport_controller_->LookupDtlsTransportByMid(kVideoMid1);
DtlsTransport* my_transport =
static_cast<DtlsTransport*>(dtls_transport.get());
EXPECT_NE(nullptr, my_transport->internal());
transport_controller_.reset();
EXPECT_EQ(nullptr, my_transport->internal());
}
TEST_F(JsepTransportControllerTest, GetDtlsTransportWithRtcpMux) {
JsepTransportController::Config config;
config.rtcp_mux_policy = PeerConnectionInterface::kRtcpMuxPolicyRequire;
CreateJsepTransportController(std::move(config));
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
EXPECT_NE(nullptr, transport_controller_->GetDtlsTransport(kAudioMid1));
EXPECT_EQ(nullptr, transport_controller_->GetRtcpDtlsTransport(kAudioMid1));
EXPECT_NE(nullptr, transport_controller_->GetDtlsTransport(kVideoMid1));
EXPECT_EQ(nullptr, transport_controller_->GetRtcpDtlsTransport(kVideoMid1));
}
TEST_F(JsepTransportControllerTest, SetIceConfig) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
transport_controller_->SetIceConfig(
CreateIceConfig(kTimeout, cricket::GATHER_CONTINUALLY));
FakeDtlsTransport* fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
ASSERT_NE(nullptr, fake_audio_dtls);
EXPECT_EQ(kTimeout,
fake_audio_dtls->fake_ice_transport()->receiving_timeout());
EXPECT_TRUE(fake_audio_dtls->fake_ice_transport()->gather_continually());
// Test that value stored in controller is applied to new transports.
AddAudioSection(description.get(), kAudioMid2, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid2));
ASSERT_NE(nullptr, fake_audio_dtls);
EXPECT_EQ(kTimeout,
fake_audio_dtls->fake_ice_transport()->receiving_timeout());
EXPECT_TRUE(fake_audio_dtls->fake_ice_transport()->gather_continually());
}
// Tests the getter and setter of the ICE restart flag.
TEST_F(JsepTransportControllerTest, NeedIceRestart) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
// TODO(tommi): Note that _now_ we set `remote`. (was not set before).
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, description.get(),
description.get())
.ok());
// Initially NeedsIceRestart should return false.
EXPECT_FALSE(transport_controller_->NeedsIceRestart(kAudioMid1));
EXPECT_FALSE(transport_controller_->NeedsIceRestart(kVideoMid1));
// Set the needs-ice-restart flag and verify NeedsIceRestart starts returning
// true.
transport_controller_->SetNeedsIceRestartFlag();
EXPECT_TRUE(transport_controller_->NeedsIceRestart(kAudioMid1));
EXPECT_TRUE(transport_controller_->NeedsIceRestart(kVideoMid1));
// For a nonexistent transport, false should be returned.
EXPECT_FALSE(transport_controller_->NeedsIceRestart(kVideoMid2));
// Reset the ice_ufrag/ice_pwd for audio.
auto audio_transport_info = description->GetTransportInfoByName(kAudioMid1);
audio_transport_info->description.ice_ufrag = kIceUfrag2;
audio_transport_info->description.ice_pwd = kIcePwd2;
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(),
description.get())
.ok());
// Because the ICE is only restarted for audio, NeedsIceRestart is expected to
// return false for audio and true for video.
EXPECT_FALSE(transport_controller_->NeedsIceRestart(kAudioMid1));
EXPECT_TRUE(transport_controller_->NeedsIceRestart(kVideoMid1));
}
TEST_F(JsepTransportControllerTest, MaybeStartGathering) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithBundleGroup();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
// After setting the local description, we should be able to start gathering
// candidates.
transport_controller_->MaybeStartGathering();
EXPECT_EQ_WAIT(cricket::kIceGatheringGathering, gathering_state_, kTimeout);
EXPECT_EQ(1, gathering_state_signal_count_);
}
TEST_F(JsepTransportControllerTest, AddRemoveRemoteCandidates) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
transport_controller_->SetLocalDescription(SdpType::kOffer, description.get(),
nullptr);
transport_controller_->SetRemoteDescription(
SdpType::kAnswer, description.get(), description.get());
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
ASSERT_NE(nullptr, fake_audio_dtls);
Candidates candidates;
candidates.push_back(
CreateCandidate(kAudioMid1, cricket::ICE_CANDIDATE_COMPONENT_RTP));
EXPECT_TRUE(
transport_controller_->AddRemoteCandidates(kAudioMid1, candidates).ok());
EXPECT_EQ(1U,
fake_audio_dtls->fake_ice_transport()->remote_candidates().size());
EXPECT_TRUE(transport_controller_->RemoveRemoteCandidates(candidates).ok());
EXPECT_EQ(0U,
fake_audio_dtls->fake_ice_transport()->remote_candidates().size());
}
TEST_F(JsepTransportControllerTest, SetAndGetLocalCertificate) {
CreateJsepTransportController(JsepTransportController::Config());
rtc::scoped_refptr<rtc::RTCCertificate> certificate1 =
rtc::RTCCertificate::Create(
rtc::SSLIdentity::Create("session1", rtc::KT_DEFAULT));
rtc::scoped_refptr<rtc::RTCCertificate> returned_certificate;
auto description = std::make_unique<cricket::SessionDescription>();
AddAudioSection(description.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
certificate1);
// Apply the local certificate.
EXPECT_TRUE(transport_controller_->SetLocalCertificate(certificate1));
// Apply the local description.
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
returned_certificate = transport_controller_->GetLocalCertificate(kAudioMid1);
EXPECT_TRUE(returned_certificate);
EXPECT_EQ(certificate1->identity()->certificate().ToPEMString(),
returned_certificate->identity()->certificate().ToPEMString());
// Should fail if called for a nonexistant transport.
EXPECT_EQ(nullptr, transport_controller_->GetLocalCertificate(kVideoMid1));
// Shouldn't be able to change the identity once set.
rtc::scoped_refptr<rtc::RTCCertificate> certificate2 =
rtc::RTCCertificate::Create(
rtc::SSLIdentity::Create("session2", rtc::KT_DEFAULT));
EXPECT_FALSE(transport_controller_->SetLocalCertificate(certificate2));
}
TEST_F(JsepTransportControllerTest, GetRemoteSSLCertChain) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithBundleGroup();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
rtc::FakeSSLCertificate fake_certificate("fake_data");
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
fake_audio_dtls->SetRemoteSSLCertificate(&fake_certificate);
std::unique_ptr<rtc::SSLCertChain> returned_cert_chain =
transport_controller_->GetRemoteSSLCertChain(kAudioMid1);
ASSERT_TRUE(returned_cert_chain);
ASSERT_EQ(1u, returned_cert_chain->GetSize());
EXPECT_EQ(fake_certificate.ToPEMString(),
returned_cert_chain->Get(0).ToPEMString());
// Should fail if called for a nonexistant transport.
EXPECT_FALSE(transport_controller_->GetRemoteSSLCertChain(kAudioMid2));
}
TEST_F(JsepTransportControllerTest, GetDtlsRole) {
CreateJsepTransportController(JsepTransportController::Config());
auto offer_certificate = rtc::RTCCertificate::Create(
rtc::SSLIdentity::Create("offer", rtc::KT_DEFAULT));
auto answer_certificate = rtc::RTCCertificate::Create(
rtc::SSLIdentity::Create("answer", rtc::KT_DEFAULT));
transport_controller_->SetLocalCertificate(offer_certificate);
auto offer_desc = std::make_unique<cricket::SessionDescription>();
AddAudioSection(offer_desc.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
offer_certificate);
auto answer_desc = std::make_unique<cricket::SessionDescription>();
AddAudioSection(answer_desc.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
answer_certificate);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, offer_desc.get(), nullptr)
.ok());
absl::optional<rtc::SSLRole> role =
transport_controller_->GetDtlsRole(kAudioMid1);
// The DTLS role is not decided yet.
EXPECT_FALSE(role);
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, offer_desc.get(),
answer_desc.get())
.ok());
role = transport_controller_->GetDtlsRole(kAudioMid1);
ASSERT_TRUE(role);
EXPECT_EQ(rtc::SSL_CLIENT, *role);
}
TEST_F(JsepTransportControllerTest, GetStats) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithBundleGroup();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
cricket::TransportStats stats;
EXPECT_TRUE(transport_controller_->GetStats(kAudioMid1, &stats));
EXPECT_EQ(kAudioMid1, stats.transport_name);
EXPECT_EQ(1u, stats.channel_stats.size());
// Return false for non-existing transport.
EXPECT_FALSE(transport_controller_->GetStats(kAudioMid2, &stats));
}
TEST_F(JsepTransportControllerTest, SignalConnectionStateFailed) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
auto fake_ice = static_cast<cricket::FakeIceTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1)->ice_transport());
fake_ice->SetCandidatesGatheringComplete();
fake_ice->SetConnectionCount(1);
// The connection stats will be failed if there is no active connection.
fake_ice->SetConnectionCount(0);
EXPECT_EQ_WAIT(cricket::kIceConnectionFailed, connection_state_, kTimeout);
EXPECT_EQ(1, connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionFailed,
ice_connection_state_, kTimeout);
EXPECT_EQ(1, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kFailed,
combined_connection_state_, kTimeout);
EXPECT_EQ(1, combined_connection_state_signal_count_);
}
TEST_F(JsepTransportControllerTest,
SignalConnectionStateConnectedNoMediaTransport) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
auto fake_video_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kVideoMid1));
// First, have one transport connect, and another fail, to ensure that
// the first transport connecting didn't trigger a "connected" state signal.
// We should only get a signal when all are connected.
fake_audio_dtls->fake_ice_transport()->SetConnectionCount(1);
fake_audio_dtls->SetWritable(true);
fake_audio_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
// Decrease the number of the connection to trigger the signal.
fake_video_dtls->fake_ice_transport()->SetConnectionCount(1);
fake_video_dtls->fake_ice_transport()->SetConnectionCount(0);
fake_video_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
EXPECT_EQ_WAIT(cricket::kIceConnectionFailed, connection_state_, kTimeout);
EXPECT_EQ(1, connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionFailed,
ice_connection_state_, kTimeout);
EXPECT_EQ(2, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kFailed,
combined_connection_state_, kTimeout);
EXPECT_EQ(2, combined_connection_state_signal_count_);
fake_audio_dtls->SetDtlsState(DtlsTransportState::kConnected);
fake_video_dtls->SetDtlsState(DtlsTransportState::kConnected);
// Set the connection count to be 2 and the cricket::FakeIceTransport will set
// the transport state to be STATE_CONNECTING.
fake_video_dtls->fake_ice_transport()->SetConnectionCount(2);
fake_video_dtls->SetWritable(true);
EXPECT_EQ_WAIT(cricket::kIceConnectionConnected, connection_state_, kTimeout);
EXPECT_EQ(2, connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionConnected,
ice_connection_state_, kTimeout);
EXPECT_EQ(3, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kConnected,
combined_connection_state_, kTimeout);
EXPECT_EQ(3, combined_connection_state_signal_count_);
}
TEST_F(JsepTransportControllerTest, SignalConnectionStateComplete) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
auto fake_video_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kVideoMid1));
// First, have one transport connect, and another fail, to ensure that
// the first transport connecting didn't trigger a "connected" state signal.
// We should only get a signal when all are connected.
fake_audio_dtls->fake_ice_transport()->SetTransportState(
IceTransportState::kCompleted,
cricket::IceTransportState::STATE_COMPLETED);
fake_audio_dtls->SetWritable(true);
fake_audio_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionChecking,
ice_connection_state_, kTimeout);
EXPECT_EQ(1, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kConnecting,
combined_connection_state_, kTimeout);
EXPECT_EQ(1, combined_connection_state_signal_count_);
fake_video_dtls->fake_ice_transport()->SetTransportState(
IceTransportState::kFailed, cricket::IceTransportState::STATE_FAILED);
fake_video_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
EXPECT_EQ_WAIT(cricket::kIceConnectionFailed, connection_state_, kTimeout);
EXPECT_EQ(1, connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionFailed,
ice_connection_state_, kTimeout);
EXPECT_EQ(2, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kFailed,
combined_connection_state_, kTimeout);
EXPECT_EQ(2, combined_connection_state_signal_count_);
fake_audio_dtls->SetDtlsState(DtlsTransportState::kConnected);
fake_video_dtls->SetDtlsState(DtlsTransportState::kConnected);
// Set the connection count to be 1 and the cricket::FakeIceTransport will set
// the transport state to be STATE_COMPLETED.
fake_video_dtls->fake_ice_transport()->SetTransportState(
IceTransportState::kCompleted,
cricket::IceTransportState::STATE_COMPLETED);
fake_video_dtls->SetWritable(true);
EXPECT_EQ_WAIT(cricket::kIceConnectionCompleted, connection_state_, kTimeout);
EXPECT_EQ(3, connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionCompleted,
ice_connection_state_, kTimeout);
EXPECT_EQ(3, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kConnected,
combined_connection_state_, kTimeout);
EXPECT_EQ(3, combined_connection_state_signal_count_);
}
TEST_F(JsepTransportControllerTest, SignalIceGatheringStateGathering) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
fake_audio_dtls->fake_ice_transport()->MaybeStartGathering();
// Should be in the gathering state as soon as any transport starts gathering.
EXPECT_EQ_WAIT(cricket::kIceGatheringGathering, gathering_state_, kTimeout);
EXPECT_EQ(1, gathering_state_signal_count_);
}
TEST_F(JsepTransportControllerTest, SignalIceGatheringStateComplete) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithoutBundle();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
auto fake_video_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kVideoMid1));
fake_audio_dtls->fake_ice_transport()->MaybeStartGathering();
EXPECT_EQ_WAIT(cricket::kIceGatheringGathering, gathering_state_, kTimeout);
EXPECT_EQ(1, gathering_state_signal_count_);
// Have one transport finish gathering, to make sure gathering
// completion wasn't signalled if only one transport finished gathering.
fake_audio_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
EXPECT_EQ(1, gathering_state_signal_count_);
fake_video_dtls->fake_ice_transport()->MaybeStartGathering();
EXPECT_EQ_WAIT(cricket::kIceGatheringGathering, gathering_state_, kTimeout);
EXPECT_EQ(1, gathering_state_signal_count_);
fake_video_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
EXPECT_EQ_WAIT(cricket::kIceGatheringComplete, gathering_state_, kTimeout);
EXPECT_EQ(2, gathering_state_signal_count_);
}
// Test that when the last transport that hasn't finished connecting and/or
// gathering is destroyed, the aggregate state jumps to "completed". This can
// happen if, for example, we have an audio and video transport, the audio
// transport completes, then we start bundling video on the audio transport.
TEST_F(JsepTransportControllerTest,
SignalingWhenLastIncompleteTransportDestroyed) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithBundleGroup();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
auto fake_video_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kVideoMid1));
EXPECT_NE(fake_audio_dtls, fake_video_dtls);
fake_audio_dtls->fake_ice_transport()->MaybeStartGathering();
EXPECT_EQ_WAIT(cricket::kIceGatheringGathering, gathering_state_, kTimeout);
EXPECT_EQ(1, gathering_state_signal_count_);
// Let the audio transport complete.
fake_audio_dtls->SetWritable(true);
fake_audio_dtls->fake_ice_transport()->SetCandidatesGatheringComplete();
fake_audio_dtls->fake_ice_transport()->SetConnectionCount(1);
fake_audio_dtls->SetDtlsState(DtlsTransportState::kConnected);
EXPECT_EQ(1, gathering_state_signal_count_);
// Set the remote description and enable the bundle.
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, description.get(),
description.get())
.ok());
// The BUNDLE should be enabled, the incomplete video transport should be
// deleted and the states should be updated.
fake_video_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kVideoMid1));
EXPECT_EQ(fake_audio_dtls, fake_video_dtls);
EXPECT_EQ_WAIT(cricket::kIceConnectionCompleted, connection_state_, kTimeout);
EXPECT_EQ(PeerConnectionInterface::kIceConnectionCompleted,
ice_connection_state_);
EXPECT_EQ(PeerConnectionInterface::PeerConnectionState::kConnected,
combined_connection_state_);
EXPECT_EQ_WAIT(cricket::kIceGatheringComplete, gathering_state_, kTimeout);
EXPECT_EQ(2, gathering_state_signal_count_);
}
// Test that states immediately return to "new" if all transports are
// discarded. This should happen at offer time, even though the transport
// controller may keep the transport alive in case of rollback.
TEST_F(JsepTransportControllerTest,
IceStatesReturnToNewWhenTransportsDiscarded) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = std::make_unique<cricket::SessionDescription>();
AddAudioSection(description.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, description.get(),
description.get())
.ok());
// Trigger and verify initial non-new states.
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
fake_audio_dtls->fake_ice_transport()->MaybeStartGathering();
fake_audio_dtls->fake_ice_transport()->SetTransportState(
IceTransportState::kChecking,
cricket::IceTransportState::STATE_CONNECTING);
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionChecking,
ice_connection_state_, kTimeout);
EXPECT_EQ(1, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kConnecting,
combined_connection_state_, kTimeout);
EXPECT_EQ(1, combined_connection_state_signal_count_);
EXPECT_EQ_WAIT(cricket::kIceGatheringGathering, gathering_state_, kTimeout);
EXPECT_EQ(1, gathering_state_signal_count_);
// Reject m= section which should disconnect the transport and return states
// to "new".
description->contents()[0].rejected = true;
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kOffer, description.get(),
description.get())
.ok());
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionNew,
ice_connection_state_, kTimeout);
EXPECT_EQ(2, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kNew,
combined_connection_state_, kTimeout);
EXPECT_EQ(2, combined_connection_state_signal_count_);
EXPECT_EQ_WAIT(cricket::kIceGatheringNew, gathering_state_, kTimeout);
EXPECT_EQ(2, gathering_state_signal_count_);
// For good measure, rollback the offer and verify that states return to
// their previous values.
EXPECT_TRUE(transport_controller_->RollbackTransports().ok());
EXPECT_EQ_WAIT(PeerConnectionInterface::kIceConnectionChecking,
ice_connection_state_, kTimeout);
EXPECT_EQ(3, ice_connection_state_signal_count_);
EXPECT_EQ_WAIT(PeerConnectionInterface::PeerConnectionState::kConnecting,
combined_connection_state_, kTimeout);
EXPECT_EQ(3, combined_connection_state_signal_count_);
EXPECT_EQ_WAIT(cricket::kIceGatheringGathering, gathering_state_, kTimeout);
EXPECT_EQ(3, gathering_state_signal_count_);
}
TEST_F(JsepTransportControllerTest, SignalCandidatesGathered) {
CreateJsepTransportController(JsepTransportController::Config());
auto description = CreateSessionDescriptionWithBundleGroup();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, description.get(), nullptr)
.ok());
transport_controller_->MaybeStartGathering();
auto fake_audio_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
fake_audio_dtls->fake_ice_transport()->SignalCandidateGathered(
fake_audio_dtls->fake_ice_transport(), CreateCandidate(kAudioMid1, 1));
EXPECT_EQ_WAIT(1, candidates_signal_count_, kTimeout);
EXPECT_EQ(1u, candidates_[kAudioMid1].size());
}
TEST_F(JsepTransportControllerTest, IceSignalingOccursOnNetworkThread) {
network_thread_ = rtc::Thread::CreateWithSocketServer();
network_thread_->Start();
EXPECT_EQ(ice_signaled_on_thread_, nullptr);
CreateJsepTransportController(JsepTransportController::Config(),
network_thread_.get(),
/*port_allocator=*/nullptr);
CreateLocalDescriptionAndCompleteConnectionOnNetworkThread();
// connecting --> connected --> completed
EXPECT_EQ_WAIT(cricket::kIceConnectionCompleted, connection_state_, kTimeout);
EXPECT_EQ(2, connection_state_signal_count_);
// new --> gathering --> complete
EXPECT_EQ_WAIT(cricket::kIceGatheringComplete, gathering_state_, kTimeout);
EXPECT_EQ(2, gathering_state_signal_count_);
EXPECT_EQ_WAIT(1u, candidates_[kAudioMid1].size(), kTimeout);
EXPECT_EQ_WAIT(1u, candidates_[kVideoMid1].size(), kTimeout);
EXPECT_EQ(2, candidates_signal_count_);
EXPECT_EQ(ice_signaled_on_thread_, network_thread_.get());
SendTask(network_thread_.get(), [&] { transport_controller_.reset(); });
}
// Test that if the TransportController was created with the
// `redetermine_role_on_ice_restart` parameter set to false, the role is *not*
// redetermined on an ICE restart.
TEST_F(JsepTransportControllerTest, IceRoleNotRedetermined) {
JsepTransportController::Config config;
config.redetermine_role_on_ice_restart = false;
CreateJsepTransportController(std::move(config));
// Let the `transport_controller_` be the controlled side initially.
auto remote_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto local_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_answer.get(), kAudioMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
EXPECT_TRUE(
transport_controller_
->SetRemoteDescription(SdpType::kOffer, nullptr, remote_offer.get())
.ok());
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kAnswer, local_answer.get(),
remote_offer.get())
.ok());
auto fake_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
EXPECT_EQ(cricket::ICEROLE_CONTROLLED,
fake_dtls->fake_ice_transport()->GetIceRole());
// New offer will trigger the ICE restart.
auto restart_local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(restart_local_offer.get(), kAudioMid1, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer,
restart_local_offer.get(),
remote_offer.get())
.ok());
EXPECT_EQ(cricket::ICEROLE_CONTROLLED,
fake_dtls->fake_ice_transport()->GetIceRole());
}
// Tests ICE-Lite mode in remote answer.
TEST_F(JsepTransportControllerTest, SetIceRoleWhenIceLiteInRemoteAnswer) {
CreateJsepTransportController(JsepTransportController::Config());
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
auto fake_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
EXPECT_EQ(cricket::ICEROLE_CONTROLLING,
fake_dtls->fake_ice_transport()->GetIceRole());
EXPECT_EQ(cricket::ICEMODE_FULL,
fake_dtls->fake_ice_transport()->remote_ice_mode());
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_LITE, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
EXPECT_EQ(cricket::ICEROLE_CONTROLLING,
fake_dtls->fake_ice_transport()->GetIceRole());
EXPECT_EQ(cricket::ICEMODE_LITE,
fake_dtls->fake_ice_transport()->remote_ice_mode());
}
// Tests that the ICE role remains "controlling" if a subsequent offer that
// does an ICE restart is received from an ICE lite endpoint. Regression test
TEST_F(JsepTransportControllerTest,
IceRoleIsControllingAfterIceRestartFromIceLiteEndpoint) {
CreateJsepTransportController(JsepTransportController::Config());
auto remote_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_LITE, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto local_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_answer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
// Initial Offer/Answer exchange. If the remote offerer is ICE-Lite, then the
// local side is the controlling.
EXPECT_TRUE(
transport_controller_
->SetRemoteDescription(SdpType::kOffer, nullptr, remote_offer.get())
.ok());
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kAnswer, local_answer.get(),
remote_offer.get())
.ok());
auto fake_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
EXPECT_EQ(cricket::ICEROLE_CONTROLLING,
fake_dtls->fake_ice_transport()->GetIceRole());
// In the subsequence remote offer triggers an ICE restart.
auto remote_offer2 = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_offer2.get(), kAudioMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_LITE, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kOffer, local_answer.get(),
remote_offer2.get())
.ok());
auto local_answer2 = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_answer2.get(), kAudioMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kAnswer, local_answer2.get(),
remote_offer2.get())
.ok());
fake_dtls = static_cast<FakeDtlsTransport*>(
transport_controller_->GetDtlsTransport(kAudioMid1));
// The local side is still the controlling role since the remote side is using
// ICE-Lite.
EXPECT_EQ(cricket::ICEROLE_CONTROLLING,
fake_dtls->fake_ice_transport()->GetIceRole());
}
// Tests that the SDP has more than one audio/video m= sections.
TEST_F(JsepTransportControllerTest, MultipleMediaSectionsOfSameTypeWithBundle) {
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kAudioMid2);
bundle_group.AddContentName(kVideoMid1);
bundle_group.AddContentName(kDataMid1);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kAudioMid2, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kVideoMid1, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddDataSection(local_offer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddAudioSection(remote_answer.get(), kAudioMid2, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddVideoSection(remote_answer.get(), kVideoMid1, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddDataSection(remote_answer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
local_offer->AddGroup(bundle_group);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Verify that all the sections are bundled on kAudio1.
auto transport1 = transport_controller_->GetRtpTransport(kAudioMid1);
auto transport2 = transport_controller_->GetRtpTransport(kAudioMid2);
auto transport3 = transport_controller_->GetRtpTransport(kVideoMid1);
auto transport4 = transport_controller_->GetRtpTransport(kDataMid1);
EXPECT_EQ(transport1, transport2);
EXPECT_EQ(transport1, transport3);
EXPECT_EQ(transport1, transport4);
EXPECT_EQ(transport_controller_->LookupDtlsTransportByMid(kAudioMid1),
transport_controller_->LookupDtlsTransportByMid(kVideoMid1));
// Verify the OnRtpTransport/DtlsTransportChanged signals are fired correctly.
auto it = changed_rtp_transport_by_mid_.find(kAudioMid2);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(transport1, it->second);
it = changed_rtp_transport_by_mid_.find(kAudioMid2);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(transport1, it->second);
it = changed_rtp_transport_by_mid_.find(kVideoMid1);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(transport1, it->second);
// Verify the DtlsTransport for the SCTP data channel is reset correctly.
auto it2 = changed_dtls_transport_by_mid_.find(kDataMid1);
ASSERT_TRUE(it2 != changed_dtls_transport_by_mid_.end());
}
TEST_F(JsepTransportControllerTest, MultipleBundleGroups) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Video[] = "2_video";
static const char kMid3Audio[] = "3_audio";
static const char kMid4Video[] = "4_video";
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group1(cricket::GROUP_TYPE_BUNDLE);
bundle_group1.AddContentName(kMid1Audio);
bundle_group1.AddContentName(kMid2Video);
cricket::ContentGroup bundle_group2(cricket::GROUP_TYPE_BUNDLE);
bundle_group2.AddContentName(kMid3Audio);
bundle_group2.AddContentName(kMid4Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(bundle_group1);
local_offer->AddGroup(bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(bundle_group1);
remote_answer->AddGroup(bundle_group2);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Verify that (kMid1Audio,kMid2Video) and (kMid3Audio,kMid4Video) form two
// distinct bundled groups.
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
auto mid2_transport = transport_controller_->GetRtpTransport(kMid2Video);
auto mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
auto mid4_transport = transport_controller_->GetRtpTransport(kMid4Video);
EXPECT_EQ(mid1_transport, mid2_transport);
EXPECT_EQ(mid3_transport, mid4_transport);
EXPECT_NE(mid1_transport, mid3_transport);
auto it = changed_rtp_transport_by_mid_.find(kMid1Audio);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(it->second, mid1_transport);
it = changed_rtp_transport_by_mid_.find(kMid2Video);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(it->second, mid2_transport);
it = changed_rtp_transport_by_mid_.find(kMid3Audio);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(it->second, mid3_transport);
it = changed_rtp_transport_by_mid_.find(kMid4Video);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(it->second, mid4_transport);
}
TEST_F(JsepTransportControllerTest,
MultipleBundleGroupsInOfferButOnlyASingleGroupInAnswer) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Video[] = "2_video";
static const char kMid3Audio[] = "3_audio";
static const char kMid4Video[] = "4_video";
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group1(cricket::GROUP_TYPE_BUNDLE);
bundle_group1.AddContentName(kMid1Audio);
bundle_group1.AddContentName(kMid2Video);
cricket::ContentGroup bundle_group2(cricket::GROUP_TYPE_BUNDLE);
bundle_group2.AddContentName(kMid3Audio);
bundle_group2.AddContentName(kMid4Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
// The offer has both groups.
local_offer->AddGroup(bundle_group1);
local_offer->AddGroup(bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
// The answer only has a single group! This is what happens when talking to an
// endpoint that does not have support for multiple BUNDLE groups.
remote_answer->AddGroup(bundle_group1);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Verify that (kMid1Audio,kMid2Video) form a bundle group, but that
// kMid3Audio and kMid4Video are unbundled.
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
auto mid2_transport = transport_controller_->GetRtpTransport(kMid2Video);
auto mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
auto mid4_transport = transport_controller_->GetRtpTransport(kMid4Video);
EXPECT_EQ(mid1_transport, mid2_transport);
EXPECT_NE(mid3_transport, mid4_transport);
EXPECT_NE(mid1_transport, mid3_transport);
EXPECT_NE(mid1_transport, mid4_transport);
}
TEST_F(JsepTransportControllerTest, MultipleBundleGroupsIllegallyChangeGroup) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Video[] = "2_video";
static const char kMid3Audio[] = "3_audio";
static const char kMid4Video[] = "4_video";
CreateJsepTransportController(JsepTransportController::Config());
// Offer groups (kMid1Audio,kMid2Video) and (kMid3Audio,kMid4Video).
cricket::ContentGroup offer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group1.AddContentName(kMid1Audio);
offer_bundle_group1.AddContentName(kMid2Video);
cricket::ContentGroup offer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group2.AddContentName(kMid3Audio);
offer_bundle_group2.AddContentName(kMid4Video);
// Answer groups (kMid1Audio,kMid4Video) and (kMid3Audio,kMid2Video), i.e. the
// second group members have switched places. This should get rejected.
cricket::ContentGroup answer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group1.AddContentName(kMid1Audio);
answer_bundle_group1.AddContentName(kMid4Video);
cricket::ContentGroup answer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group2.AddContentName(kMid3Audio);
answer_bundle_group2.AddContentName(kMid2Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(offer_bundle_group1);
local_offer->AddGroup(offer_bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(answer_bundle_group1);
remote_answer->AddGroup(answer_bundle_group2);
// Accept offer.
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
// Reject answer!
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
}
TEST_F(JsepTransportControllerTest, MultipleBundleGroupsInvalidSubsets) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Video[] = "2_video";
static const char kMid3Audio[] = "3_audio";
static const char kMid4Video[] = "4_video";
CreateJsepTransportController(JsepTransportController::Config());
// Offer groups (kMid1Audio,kMid2Video) and (kMid3Audio,kMid4Video).
cricket::ContentGroup offer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group1.AddContentName(kMid1Audio);
offer_bundle_group1.AddContentName(kMid2Video);
cricket::ContentGroup offer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group2.AddContentName(kMid3Audio);
offer_bundle_group2.AddContentName(kMid4Video);
// Answer groups (kMid1Audio) and (kMid2Video), i.e. the second group was
// moved from the first group. This should get rejected.
cricket::ContentGroup answer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group1.AddContentName(kMid1Audio);
cricket::ContentGroup answer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group2.AddContentName(kMid2Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(offer_bundle_group1);
local_offer->AddGroup(offer_bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag4, kIcePwd4,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(answer_bundle_group1);
remote_answer->AddGroup(answer_bundle_group2);
// Accept offer.
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
// Reject answer!
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
}
TEST_F(JsepTransportControllerTest, MultipleBundleGroupsInvalidOverlap) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Video[] = "2_video";
static const char kMid3Audio[] = "3_audio";
CreateJsepTransportController(JsepTransportController::Config());
// Offer groups (kMid1Audio,kMid3Audio) and (kMid2Video,kMid3Audio), i.e.
// kMid3Audio is in both groups - this is illegal.
cricket::ContentGroup offer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group1.AddContentName(kMid1Audio);
offer_bundle_group1.AddContentName(kMid3Audio);
cricket::ContentGroup offer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group2.AddContentName(kMid2Video);
offer_bundle_group2.AddContentName(kMid3Audio);
auto offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(offer.get(), kMid2Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(offer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
offer->AddGroup(offer_bundle_group1);
offer->AddGroup(offer_bundle_group2);
// Reject offer, both if set as local or remote.
EXPECT_FALSE(transport_controller_
->SetLocalDescription(SdpType::kOffer, offer.get(), nullptr)
.ok());
EXPECT_FALSE(
transport_controller_
->SetRemoteDescription(SdpType::kOffer, offer.get(), offer.get())
.ok());
}
TEST_F(JsepTransportControllerTest, MultipleBundleGroupsUnbundleFirstMid) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Audio[] = "3_audio";
static const char kMid4Video[] = "4_video";
static const char kMid5Video[] = "5_video";
static const char kMid6Video[] = "6_video";
CreateJsepTransportController(JsepTransportController::Config());
// Offer groups (kMid1Audio,kMid2Audio,kMid3Audio) and
// (kMid4Video,kMid5Video,kMid6Video).
cricket::ContentGroup offer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group1.AddContentName(kMid1Audio);
offer_bundle_group1.AddContentName(kMid2Audio);
offer_bundle_group1.AddContentName(kMid3Audio);
cricket::ContentGroup offer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group2.AddContentName(kMid4Video);
offer_bundle_group2.AddContentName(kMid5Video);
offer_bundle_group2.AddContentName(kMid6Video);
// Answer groups (kMid2Audio,kMid3Audio) and (kMid5Video,kMid6Video), i.e.
// we've moved the first MIDs out of the groups.
cricket::ContentGroup answer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group1.AddContentName(kMid2Audio);
answer_bundle_group1.AddContentName(kMid3Audio);
cricket::ContentGroup answer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group2.AddContentName(kMid5Video);
answer_bundle_group2.AddContentName(kMid6Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid3Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid5Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid6Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(offer_bundle_group1);
local_offer->AddGroup(offer_bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid3Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid5Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid6Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(answer_bundle_group1);
remote_answer->AddGroup(answer_bundle_group2);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
auto mid2_transport = transport_controller_->GetRtpTransport(kMid2Audio);
auto mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
auto mid4_transport = transport_controller_->GetRtpTransport(kMid4Video);
auto mid5_transport = transport_controller_->GetRtpTransport(kMid5Video);
auto mid6_transport = transport_controller_->GetRtpTransport(kMid6Video);
EXPECT_NE(mid1_transport, mid2_transport);
EXPECT_EQ(mid2_transport, mid3_transport);
EXPECT_NE(mid4_transport, mid5_transport);
EXPECT_EQ(mid5_transport, mid6_transport);
EXPECT_NE(mid1_transport, mid4_transport);
EXPECT_NE(mid2_transport, mid5_transport);
}
TEST_F(JsepTransportControllerTest, MultipleBundleGroupsChangeFirstMid) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Audio[] = "3_audio";
static const char kMid4Video[] = "4_video";
static const char kMid5Video[] = "5_video";
static const char kMid6Video[] = "6_video";
CreateJsepTransportController(JsepTransportController::Config());
// Offer groups (kMid1Audio,kMid2Audio,kMid3Audio) and
// (kMid4Video,kMid5Video,kMid6Video).
cricket::ContentGroup offer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group1.AddContentName(kMid1Audio);
offer_bundle_group1.AddContentName(kMid2Audio);
offer_bundle_group1.AddContentName(kMid3Audio);
cricket::ContentGroup offer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group2.AddContentName(kMid4Video);
offer_bundle_group2.AddContentName(kMid5Video);
offer_bundle_group2.AddContentName(kMid6Video);
// Answer groups (kMid2Audio,kMid1Audio,kMid3Audio) and
// (kMid5Video,kMid6Video,kMid4Video), i.e. we've changed which MID is first
// but accept the whole group.
cricket::ContentGroup answer_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group1.AddContentName(kMid2Audio);
answer_bundle_group1.AddContentName(kMid1Audio);
answer_bundle_group1.AddContentName(kMid3Audio);
cricket::ContentGroup answer_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group2.AddContentName(kMid5Video);
answer_bundle_group2.AddContentName(kMid6Video);
answer_bundle_group2.AddContentName(kMid4Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid3Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid5Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid6Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(offer_bundle_group1);
local_offer->AddGroup(offer_bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid3Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid5Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid6Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(answer_bundle_group1);
remote_answer->AddGroup(answer_bundle_group2);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
// The fact that we accept this answer is actually a bug. If we accept the
// first MID to be in the group, we should also accept that it is the tagged
// one.
// to EXPECT_FALSE and remove the below expectations about transports.
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
auto mid2_transport = transport_controller_->GetRtpTransport(kMid2Audio);
auto mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
auto mid4_transport = transport_controller_->GetRtpTransport(kMid4Video);
auto mid5_transport = transport_controller_->GetRtpTransport(kMid5Video);
auto mid6_transport = transport_controller_->GetRtpTransport(kMid6Video);
EXPECT_NE(mid1_transport, mid4_transport);
EXPECT_EQ(mid1_transport, mid2_transport);
EXPECT_EQ(mid2_transport, mid3_transport);
EXPECT_EQ(mid4_transport, mid5_transport);
EXPECT_EQ(mid5_transport, mid6_transport);
}
TEST_F(JsepTransportControllerTest,
MultipleBundleGroupsSectionsAddedInSubsequentOffer) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Audio[] = "3_audio";
static const char kMid4Video[] = "4_video";
static const char kMid5Video[] = "5_video";
static const char kMid6Video[] = "6_video";
CreateJsepTransportController(JsepTransportController::Config());
// Start by grouping (kMid1Audio,kMid2Audio) and (kMid4Video,kMid4f5Video).
cricket::ContentGroup bundle_group1(cricket::GROUP_TYPE_BUNDLE);
bundle_group1.AddContentName(kMid1Audio);
bundle_group1.AddContentName(kMid2Audio);
cricket::ContentGroup bundle_group2(cricket::GROUP_TYPE_BUNDLE);
bundle_group2.AddContentName(kMid4Video);
bundle_group2.AddContentName(kMid5Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid5Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(bundle_group1);
local_offer->AddGroup(bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid5Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(bundle_group1);
remote_answer->AddGroup(bundle_group2);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Add kMid3Audio and kMid6Video to the respective audio/video bundle groups.
cricket::ContentGroup new_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
bundle_group1.AddContentName(kMid3Audio);
cricket::ContentGroup new_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
bundle_group2.AddContentName(kMid6Video);
auto subsequent_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(subsequent_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(subsequent_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(subsequent_offer.get(), kMid3Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid5Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid6Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
subsequent_offer->AddGroup(bundle_group1);
subsequent_offer->AddGroup(bundle_group2);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, subsequent_offer.get(),
remote_answer.get())
.ok());
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
auto mid2_transport = transport_controller_->GetRtpTransport(kMid2Audio);
auto mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
auto mid4_transport = transport_controller_->GetRtpTransport(kMid4Video);
auto mid5_transport = transport_controller_->GetRtpTransport(kMid5Video);
auto mid6_transport = transport_controller_->GetRtpTransport(kMid6Video);
EXPECT_NE(mid1_transport, mid4_transport);
EXPECT_EQ(mid1_transport, mid2_transport);
EXPECT_EQ(mid2_transport, mid3_transport);
EXPECT_EQ(mid4_transport, mid5_transport);
EXPECT_EQ(mid5_transport, mid6_transport);
}
TEST_F(JsepTransportControllerTest,
MultipleBundleGroupsCombinedInSubsequentOffer) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Video[] = "3_video";
static const char kMid4Video[] = "4_video";
CreateJsepTransportController(JsepTransportController::Config());
// Start by grouping (kMid1Audio,kMid2Audio) and (kMid3Video,kMid4Video).
cricket::ContentGroup bundle_group1(cricket::GROUP_TYPE_BUNDLE);
bundle_group1.AddContentName(kMid1Audio);
bundle_group1.AddContentName(kMid2Audio);
cricket::ContentGroup bundle_group2(cricket::GROUP_TYPE_BUNDLE);
bundle_group2.AddContentName(kMid3Video);
bundle_group2.AddContentName(kMid4Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(bundle_group1);
local_offer->AddGroup(bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(bundle_group1);
remote_answer->AddGroup(bundle_group2);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Switch to grouping (kMid1Audio,kMid2Audio,kMid3Video,kMid4Video).
// This is a illegal without first removing m= sections from their groups.
cricket::ContentGroup new_bundle_group(cricket::GROUP_TYPE_BUNDLE);
new_bundle_group.AddContentName(kMid1Audio);
new_bundle_group.AddContentName(kMid2Audio);
new_bundle_group.AddContentName(kMid3Video);
new_bundle_group.AddContentName(kMid4Video);
auto subsequent_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(subsequent_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(subsequent_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
subsequent_offer->AddGroup(new_bundle_group);
EXPECT_FALSE(transport_controller_
->SetLocalDescription(SdpType::kOffer,
subsequent_offer.get(),
remote_answer.get())
.ok());
}
TEST_F(JsepTransportControllerTest,
MultipleBundleGroupsSplitInSubsequentOffer) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Video[] = "3_video";
static const char kMid4Video[] = "4_video";
CreateJsepTransportController(JsepTransportController::Config());
// Start by grouping (kMid1Audio,kMid2Audio,kMid3Video,kMid4Video).
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kMid1Audio);
bundle_group.AddContentName(kMid2Audio);
bundle_group.AddContentName(kMid3Video);
bundle_group.AddContentName(kMid4Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(bundle_group);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Switch to grouping (kMid1Audio,kMid2Audio) and (kMid3Video,kMid4Video).
// This is a illegal without first removing m= sections from their groups.
cricket::ContentGroup new_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
new_bundle_group1.AddContentName(kMid1Audio);
new_bundle_group1.AddContentName(kMid2Audio);
cricket::ContentGroup new_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
new_bundle_group2.AddContentName(kMid3Video);
new_bundle_group2.AddContentName(kMid4Video);
auto subsequent_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(subsequent_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(subsequent_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
subsequent_offer->AddGroup(new_bundle_group1);
subsequent_offer->AddGroup(new_bundle_group2);
EXPECT_FALSE(transport_controller_
->SetLocalDescription(SdpType::kOffer,
subsequent_offer.get(),
remote_answer.get())
.ok());
}
TEST_F(JsepTransportControllerTest,
MultipleBundleGroupsShuffledInSubsequentOffer) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Video[] = "3_video";
static const char kMid4Video[] = "4_video";
CreateJsepTransportController(JsepTransportController::Config());
// Start by grouping (kMid1Audio,kMid2Audio) and (kMid3Video,kMid4Video).
cricket::ContentGroup bundle_group1(cricket::GROUP_TYPE_BUNDLE);
bundle_group1.AddContentName(kMid1Audio);
bundle_group1.AddContentName(kMid2Audio);
cricket::ContentGroup bundle_group2(cricket::GROUP_TYPE_BUNDLE);
bundle_group2.AddContentName(kMid3Video);
bundle_group2.AddContentName(kMid4Video);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(bundle_group1);
local_offer->AddGroup(bundle_group2);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(remote_answer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
remote_answer->AddGroup(bundle_group1);
remote_answer->AddGroup(bundle_group2);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Switch to grouping (kMid1Audio,kMid3Video) and (kMid2Audio,kMid3Video).
// This is a illegal without first removing m= sections from their groups.
cricket::ContentGroup new_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
new_bundle_group1.AddContentName(kMid1Audio);
new_bundle_group1.AddContentName(kMid3Video);
cricket::ContentGroup new_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
new_bundle_group2.AddContentName(kMid2Audio);
new_bundle_group2.AddContentName(kMid4Video);
auto subsequent_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(subsequent_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(subsequent_offer.get(), kMid2Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid3Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer.get(), kMid4Video, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
subsequent_offer->AddGroup(new_bundle_group1);
subsequent_offer->AddGroup(new_bundle_group2);
EXPECT_FALSE(transport_controller_
->SetLocalDescription(SdpType::kOffer,
subsequent_offer.get(),
remote_answer.get())
.ok());
}
// Tests that only a subset of all the m= sections are bundled.
TEST_F(JsepTransportControllerTest, BundleSubsetOfMediaSections) {
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kAudioMid2, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kVideoMid1, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddAudioSection(remote_answer.get(), kAudioMid2, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddVideoSection(remote_answer.get(), kVideoMid1, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
local_offer->AddGroup(bundle_group);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Verifiy that only `kAudio1` and `kVideo1` are bundled.
auto transport1 = transport_controller_->GetRtpTransport(kAudioMid1);
auto transport2 = transport_controller_->GetRtpTransport(kAudioMid2);
auto transport3 = transport_controller_->GetRtpTransport(kVideoMid1);
EXPECT_NE(transport1, transport2);
EXPECT_EQ(transport1, transport3);
auto it = changed_rtp_transport_by_mid_.find(kVideoMid1);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(transport1, it->second);
it = changed_rtp_transport_by_mid_.find(kAudioMid2);
EXPECT_TRUE(transport2 == it->second);
}
// Tests that the initial offer/answer only have data section and audio/video
// sections are added in the subsequent offer.
TEST_F(JsepTransportControllerTest, BundleOnDataSectionInSubsequentOffer) {
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kDataMid1);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddDataSection(local_offer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddDataSection(remote_answer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
local_offer->AddGroup(bundle_group);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
auto data_transport = transport_controller_->GetRtpTransport(kDataMid1);
// Add audio/video sections in subsequent offer.
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kVideoMid1, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddVideoSection(remote_answer.get(), kVideoMid1, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
// Reset the bundle group and do another offer/answer exchange.
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
local_offer->RemoveGroupByName(cricket::GROUP_TYPE_BUNDLE);
local_offer->AddGroup(bundle_group);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(),
remote_answer.get())
.ok());
remote_answer->RemoveGroupByName(cricket::GROUP_TYPE_BUNDLE);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
auto audio_transport = transport_controller_->GetRtpTransport(kAudioMid1);
auto video_transport = transport_controller_->GetRtpTransport(kVideoMid1);
EXPECT_EQ(data_transport, audio_transport);
EXPECT_EQ(data_transport, video_transport);
}
TEST_F(JsepTransportControllerTest, VideoDataRejectedInAnswer) {
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
bundle_group.AddContentName(kDataMid1);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kVideoMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddDataSection(local_offer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddVideoSection(remote_answer.get(), kVideoMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddDataSection(remote_answer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
// Reject video and data section.
remote_answer->contents()[1].rejected = true;
remote_answer->contents()[2].rejected = true;
local_offer->AddGroup(bundle_group);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Verify the RtpTransport/DtlsTransport is destroyed correctly.
EXPECT_EQ(nullptr, transport_controller_->GetRtpTransport(kVideoMid1));
EXPECT_EQ(nullptr, transport_controller_->GetDtlsTransport(kDataMid1));
// Verify the signals are fired correctly.
auto it = changed_rtp_transport_by_mid_.find(kVideoMid1);
ASSERT_TRUE(it != changed_rtp_transport_by_mid_.end());
EXPECT_EQ(nullptr, it->second);
auto it2 = changed_dtls_transport_by_mid_.find(kDataMid1);
ASSERT_TRUE(it2 != changed_dtls_transport_by_mid_.end());
EXPECT_EQ(nullptr, it2->second);
}
// Tests that changing the bundled MID in subsequent offer/answer exchange is
// not supported.
// TODO(bugs.webrtc.org/6704): Change this test to expect success once issue is
// fixed
TEST_F(JsepTransportControllerTest, ChangeBundledMidNotSupported) {
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kVideoMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddVideoSection(remote_answer.get(), kVideoMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
local_offer->AddGroup(bundle_group);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
EXPECT_EQ(transport_controller_->GetRtpTransport(kAudioMid1),
transport_controller_->GetRtpTransport(kVideoMid1));
// Reorder the bundle group.
EXPECT_TRUE(bundle_group.RemoveContentName(kAudioMid1));
bundle_group.AddContentName(kAudioMid1);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(),
remote_answer.get())
.ok());
// The answerer uses the new bundle group and now the bundle mid is changed to
// `kVideo1`.
remote_answer->RemoveGroupByName(cricket::GROUP_TYPE_BUNDLE);
remote_answer->AddGroup(bundle_group);
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
}
// Test that rejecting only the first m= section of a BUNDLE group is treated as
// an error, but rejecting all of them works as expected.
TEST_F(JsepTransportControllerTest, RejectFirstContentInBundleGroup) {
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
bundle_group.AddContentName(kDataMid1);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kVideoMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddDataSection(local_offer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddVideoSection(remote_answer.get(), kVideoMid1, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
AddDataSection(remote_answer.get(), kDataMid1,
cricket::MediaProtocolType::kSctp, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
// Reject audio content in answer.
remote_answer->contents()[0].rejected = true;
local_offer->AddGroup(bundle_group);
remote_answer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Reject all the contents.
remote_answer->contents()[1].rejected = true;
remote_answer->contents()[2].rejected = true;
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
EXPECT_EQ(nullptr, transport_controller_->GetRtpTransport(kAudioMid1));
EXPECT_EQ(nullptr, transport_controller_->GetRtpTransport(kVideoMid1));
EXPECT_EQ(nullptr, transport_controller_->GetDtlsTransport(kDataMid1));
}
// Tests that applying non-RTCP-mux offer would fail when kRtcpMuxPolicyRequire
// is used.
TEST_F(JsepTransportControllerTest, ApplyNonRtcpMuxOfferWhenMuxingRequired) {
JsepTransportController::Config config;
config.rtcp_mux_policy = PeerConnectionInterface::kRtcpMuxPolicyRequire;
CreateJsepTransportController(std::move(config));
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->contents()[0].media_description()->set_rtcp_mux(false);
// Applying a non-RTCP-mux offer is expected to fail.
EXPECT_FALSE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
}
// Tests that applying non-RTCP-mux answer would fail when kRtcpMuxPolicyRequire
// is used.
TEST_F(JsepTransportControllerTest, ApplyNonRtcpMuxAnswerWhenMuxingRequired) {
JsepTransportController::Config config;
config.rtcp_mux_policy = PeerConnectionInterface::kRtcpMuxPolicyRequire;
CreateJsepTransportController(std::move(config));
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
auto remote_answer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(remote_answer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_PASSIVE,
nullptr);
// Applying a non-RTCP-mux answer is expected to fail.
remote_answer->contents()[0].media_description()->set_rtcp_mux(false);
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
}
// This tests that the BUNDLE group in answer should be a subset of the offered
// group.
TEST_F(JsepTransportControllerTest,
AddContentToBundleGroupInAnswerNotSupported) {
CreateJsepTransportController(JsepTransportController::Config());
auto local_offer = CreateSessionDescriptionWithoutBundle();
auto remote_answer = CreateSessionDescriptionWithoutBundle();
cricket::ContentGroup offer_bundle_group(cricket::GROUP_TYPE_BUNDLE);
offer_bundle_group.AddContentName(kAudioMid1);
local_offer->AddGroup(offer_bundle_group);
cricket::ContentGroup answer_bundle_group(cricket::GROUP_TYPE_BUNDLE);
answer_bundle_group.AddContentName(kAudioMid1);
answer_bundle_group.AddContentName(kVideoMid1);
remote_answer->AddGroup(answer_bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
}
// This tests that the BUNDLE group with non-existing MID should be rejectd.
TEST_F(JsepTransportControllerTest, RejectBundleGroupWithNonExistingMid) {
CreateJsepTransportController(JsepTransportController::Config());
auto local_offer = CreateSessionDescriptionWithoutBundle();
auto remote_answer = CreateSessionDescriptionWithoutBundle();
cricket::ContentGroup invalid_bundle_group(cricket::GROUP_TYPE_BUNDLE);
// The BUNDLE group is invalid because there is no data section in the
// description.
invalid_bundle_group.AddContentName(kDataMid1);
local_offer->AddGroup(invalid_bundle_group);
remote_answer->AddGroup(invalid_bundle_group);
EXPECT_FALSE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
}
// This tests that an answer shouldn't be able to remove an m= section from an
// established group without rejecting it.
TEST_F(JsepTransportControllerTest, RemoveContentFromBundleGroup) {
CreateJsepTransportController(JsepTransportController::Config());
auto local_offer = CreateSessionDescriptionWithBundleGroup();
auto remote_answer = CreateSessionDescriptionWithBundleGroup();
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Do an re-offer/answer.
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(),
remote_answer.get())
.ok());
auto new_answer = CreateSessionDescriptionWithoutBundle();
cricket::ContentGroup new_bundle_group(cricket::GROUP_TYPE_BUNDLE);
// The answer removes video from the BUNDLE group without rejecting it is
// invalid.
new_bundle_group.AddContentName(kAudioMid1);
new_answer->AddGroup(new_bundle_group);
// Applying invalid answer is expected to fail.
EXPECT_FALSE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
new_answer.get())
.ok());
// Rejected the video content.
auto video_content = new_answer->GetContentByName(kVideoMid1);
ASSERT_TRUE(video_content);
video_content->rejected = true;
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
new_answer.get())
.ok());
}
// Test that the JsepTransportController can process a new local and remote
// description that changes the tagged BUNDLE group with the max-bundle policy
// specified.
// This is a regression test for bugs.webrtc.org/9954
TEST_F(JsepTransportControllerTest, ChangeTaggedMediaSectionMaxBundle) {
CreateJsepTransportController(JsepTransportController::Config());
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
local_offer->AddGroup(bundle_group);
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
std::unique_ptr<cricket::SessionDescription> remote_answer(
local_offer->Clone());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
std::unique_ptr<cricket::SessionDescription> local_reoffer(
local_offer->Clone());
local_reoffer->contents()[0].rejected = true;
AddVideoSection(local_reoffer.get(), kVideoMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_reoffer->RemoveGroupByName(cricket::GROUP_TYPE_BUNDLE);
cricket::ContentGroup new_bundle_group(cricket::GROUP_TYPE_BUNDLE);
new_bundle_group.AddContentName(kVideoMid1);
local_reoffer->AddGroup(new_bundle_group);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, local_reoffer.get(),
remote_answer.get())
.ok());
std::unique_ptr<cricket::SessionDescription> remote_reanswer(
local_reoffer->Clone());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_reoffer.get(),
remote_reanswer.get())
.ok());
}
TEST_F(JsepTransportControllerTest, RollbackRestoresRejectedTransport) {
static const char kMid1Audio[] = "1_audio";
// Perform initial offer/answer.
CreateJsepTransportController(JsepTransportController::Config());
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
std::unique_ptr<cricket::SessionDescription> remote_answer(
local_offer->Clone());
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
// Apply a reoffer which rejects the m= section, causing the transport to be
// set to null.
auto local_reoffer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_reoffer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_reoffer->contents()[0].rejected = true;
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, local_reoffer.get(),
remote_answer.get())
.ok());
auto old_mid1_transport = mid1_transport;
mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
EXPECT_EQ(nullptr, mid1_transport);
// Rolling back shouldn't just create a new transport for MID 1, it should
// restore the old transport.
EXPECT_TRUE(transport_controller_->RollbackTransports().ok());
mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
EXPECT_EQ(old_mid1_transport, mid1_transport);
}
// If an offer with a modified BUNDLE group causes a MID->transport mapping to
// change, rollback should restore the previous mapping.
TEST_F(JsepTransportControllerTest, RollbackRestoresPreviousTransportMapping) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Audio[] = "3_audio";
// Perform an initial offer/answer to establish a (kMid1Audio,kMid2Audio)
// group.
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kMid1Audio);
bundle_group.AddContentName(kMid2Audio);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid2Audio, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_offer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(bundle_group);
std::unique_ptr<cricket::SessionDescription> remote_answer(
local_offer->Clone());
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
auto mid2_transport = transport_controller_->GetRtpTransport(kMid2Audio);
auto mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
EXPECT_EQ(mid1_transport, mid2_transport);
EXPECT_NE(mid1_transport, mid3_transport);
// Apply a reoffer adding kMid3Audio to the group; transport mapping should
// change, even without an answer, since this is an existing group.
bundle_group.AddContentName(kMid3Audio);
auto local_reoffer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_reoffer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_reoffer.get(), kMid2Audio, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddAudioSection(local_reoffer.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_reoffer->AddGroup(bundle_group);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer, local_reoffer.get(),
remote_answer.get())
.ok());
// Store the old transport pointer and verify that the offer actually changed
// transports.
auto old_mid3_transport = mid3_transport;
mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
mid2_transport = transport_controller_->GetRtpTransport(kMid2Audio);
mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
EXPECT_EQ(mid1_transport, mid2_transport);
EXPECT_EQ(mid1_transport, mid3_transport);
// Rolling back shouldn't just create a new transport for MID 3, it should
// restore the old transport.
EXPECT_TRUE(transport_controller_->RollbackTransports().ok());
mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
EXPECT_EQ(old_mid3_transport, mid3_transport);
}
// Test that if an offer adds a MID to a specific BUNDLE group and is then
// rolled back, it can be added to a different BUNDLE group in a new offer.
// This is effectively testing that rollback resets the BundleManager state.
TEST_F(JsepTransportControllerTest, RollbackAndAddToDifferentBundleGroup) {
static const char kMid1Audio[] = "1_audio";
static const char kMid2Audio[] = "2_audio";
static const char kMid3Audio[] = "3_audio";
// Perform an initial offer/answer to establish two bundle groups, each with
// one MID.
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group1(cricket::GROUP_TYPE_BUNDLE);
bundle_group1.AddContentName(kMid1Audio);
cricket::ContentGroup bundle_group2(cricket::GROUP_TYPE_BUNDLE);
bundle_group2.AddContentName(kMid2Audio);
auto local_offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(local_offer.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(local_offer.get(), kMid2Audio, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
local_offer->AddGroup(bundle_group1);
local_offer->AddGroup(bundle_group2);
std::unique_ptr<cricket::SessionDescription> remote_answer(
local_offer->Clone());
EXPECT_TRUE(
transport_controller_
->SetLocalDescription(SdpType::kOffer, local_offer.get(), nullptr)
.ok());
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kAnswer, local_offer.get(),
remote_answer.get())
.ok());
// Apply an offer that adds kMid3Audio to the first BUNDLE group.,
cricket::ContentGroup modified_bundle_group1(cricket::GROUP_TYPE_BUNDLE);
modified_bundle_group1.AddContentName(kMid1Audio);
modified_bundle_group1.AddContentName(kMid3Audio);
auto subsequent_offer_1 = std::make_unique<cricket::SessionDescription>();
AddAudioSection(subsequent_offer_1.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer_1.get(), kMid2Audio, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer_1.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
subsequent_offer_1->AddGroup(modified_bundle_group1);
subsequent_offer_1->AddGroup(bundle_group2);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer,
subsequent_offer_1.get(),
remote_answer.get())
.ok());
auto mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
auto mid2_transport = transport_controller_->GetRtpTransport(kMid2Audio);
auto mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
EXPECT_NE(mid1_transport, mid2_transport);
EXPECT_EQ(mid1_transport, mid3_transport);
// Rollback and expect the transport to be reset.
EXPECT_TRUE(transport_controller_->RollbackTransports().ok());
EXPECT_EQ(nullptr, transport_controller_->GetRtpTransport(kMid3Audio));
// Apply an offer that adds kMid3Audio to the second BUNDLE group.,
cricket::ContentGroup modified_bundle_group2(cricket::GROUP_TYPE_BUNDLE);
modified_bundle_group2.AddContentName(kMid2Audio);
modified_bundle_group2.AddContentName(kMid3Audio);
auto subsequent_offer_2 = std::make_unique<cricket::SessionDescription>();
AddAudioSection(subsequent_offer_2.get(), kMid1Audio, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer_2.get(), kMid2Audio, kIceUfrag2, kIcePwd2,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(subsequent_offer_2.get(), kMid3Audio, kIceUfrag3, kIcePwd3,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
subsequent_offer_2->AddGroup(bundle_group1);
subsequent_offer_2->AddGroup(modified_bundle_group2);
EXPECT_TRUE(transport_controller_
->SetLocalDescription(SdpType::kOffer,
subsequent_offer_2.get(),
remote_answer.get())
.ok());
mid1_transport = transport_controller_->GetRtpTransport(kMid1Audio);
mid2_transport = transport_controller_->GetRtpTransport(kMid2Audio);
mid3_transport = transport_controller_->GetRtpTransport(kMid3Audio);
EXPECT_NE(mid1_transport, mid2_transport);
EXPECT_EQ(mid2_transport, mid3_transport);
}
// Test that a bundle-only offer without rtcp-mux in the bundle-only section
// is accepted.
TEST_F(JsepTransportControllerTest, BundleOnlySectionDoesNotNeedRtcpMux) {
CreateJsepTransportController(JsepTransportController::Config());
cricket::ContentGroup bundle_group(cricket::GROUP_TYPE_BUNDLE);
bundle_group.AddContentName(kAudioMid1);
bundle_group.AddContentName(kVideoMid1);
auto offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
AddVideoSection(offer.get(), kVideoMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
offer->AddGroup(bundle_group);
// Remove rtcp-mux and set bundle-only on the second content.
offer->contents()[1].media_description()->set_rtcp_mux(false);
offer->contents()[1].bundle_only = true;
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kOffer, nullptr, offer.get())
.ok());
}
// Test that with max-bundle a single unbundled m-line is accepted.
TEST_F(JsepTransportControllerTest,
MaxBundleDoesNotRequireBundleForFirstMline) {
auto config = JsepTransportController::Config();
config.bundle_policy = PeerConnectionInterface::kBundlePolicyMaxBundle;
CreateJsepTransportController(std::move(config));
auto offer = std::make_unique<cricket::SessionDescription>();
AddAudioSection(offer.get(), kAudioMid1, kIceUfrag1, kIcePwd1,
cricket::ICEMODE_FULL, cricket::CONNECTIONROLE_ACTPASS,
nullptr);
EXPECT_TRUE(transport_controller_
->SetRemoteDescription(SdpType::kOffer, nullptr, offer.get())
.ok());
}
} // namespace webrtc