/* * Copyright 2009 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 #include #include "webrtc/p2p/base/basicpacketsocketfactory.h" #include "webrtc/p2p/base/p2pconstants.h" #include "webrtc/p2p/base/p2ptransportchannel.h" #include "webrtc/p2p/base/testrelayserver.h" #include "webrtc/p2p/base/teststunserver.h" #include "webrtc/p2p/base/testturnserver.h" #include "webrtc/p2p/client/basicportallocator.h" #include "webrtc/p2p/client/httpportallocator.h" #include "webrtc/base/fakenetwork.h" #include "webrtc/base/firewallsocketserver.h" #include "webrtc/base/gunit.h" #include "webrtc/base/helpers.h" #include "webrtc/base/ipaddress.h" #include "webrtc/base/logging.h" #include "webrtc/base/natserver.h" #include "webrtc/base/natsocketfactory.h" #include "webrtc/base/network.h" #include "webrtc/base/physicalsocketserver.h" #include "webrtc/base/socketaddress.h" #include "webrtc/base/ssladapter.h" #include "webrtc/base/thread.h" #include "webrtc/base/virtualsocketserver.h" using rtc::IPAddress; using rtc::SocketAddress; using rtc::Thread; static const SocketAddress kClientAddr("11.11.11.11", 0); static const SocketAddress kLoopbackAddr("127.0.0.1", 0); static const SocketAddress kPrivateAddr("192.168.1.11", 0); static const SocketAddress kPrivateAddr2("192.168.1.12", 0); static const SocketAddress kClientIPv6Addr("2401:fa00:4:1000:be30:5bff:fee5:c3", 0); static const SocketAddress kClientAddr2("22.22.22.22", 0); static const SocketAddress kNatUdpAddr("77.77.77.77", rtc::NAT_SERVER_UDP_PORT); static const SocketAddress kNatTcpAddr("77.77.77.77", rtc::NAT_SERVER_TCP_PORT); static const SocketAddress kRemoteClientAddr("22.22.22.22", 0); static const SocketAddress kStunAddr("99.99.99.1", cricket::STUN_SERVER_PORT); static const SocketAddress kRelayUdpIntAddr("99.99.99.2", 5000); static const SocketAddress kRelayUdpExtAddr("99.99.99.3", 5001); static const SocketAddress kRelayTcpIntAddr("99.99.99.2", 5002); static const SocketAddress kRelayTcpExtAddr("99.99.99.3", 5003); static const SocketAddress kRelaySslTcpIntAddr("99.99.99.2", 5004); static const SocketAddress kRelaySslTcpExtAddr("99.99.99.3", 5005); static const SocketAddress kTurnUdpIntAddr("99.99.99.4", 3478); static const SocketAddress kTurnTcpIntAddr("99.99.99.5", 3478); static const SocketAddress kTurnUdpExtAddr("99.99.99.6", 0); // Minimum and maximum port for port range tests. static const int kMinPort = 10000; static const int kMaxPort = 10099; // Based on ICE_UFRAG_LENGTH static const char kIceUfrag0[] = "UF00"; // Based on ICE_PWD_LENGTH static const char kIcePwd0[] = "TESTICEPWD00000000000000"; static const char kContentName[] = "test content"; static const int kDefaultAllocationTimeout = 1000; static const char kTurnUsername[] = "test"; static const char kTurnPassword[] = "test"; // STUN timeout (with all retries) is 9500ms. // Add some margin of error for slow bots. // TODO(deadbeef): Use simulated clock instead of just increasing timeouts to // fix flaky tests. static const int kStunTimeoutMs = 15000; namespace cricket { // Helper for dumping candidates std::ostream& operator<<(std::ostream& os, const std::vector& candidates) { os << '['; bool first = true; for (const Candidate& c : candidates) { if (!first) { os << ", "; } os << c.ToString(); first = false; }; os << ']'; return os; } class BasicPortAllocatorTest : public testing::Test, public sigslot::has_slots<> { public: BasicPortAllocatorTest() : pss_(new rtc::PhysicalSocketServer), vss_(new rtc::VirtualSocketServer(pss_.get())), fss_(new rtc::FirewallSocketServer(vss_.get())), ss_scope_(fss_.get()), nat_factory_(vss_.get(), kNatUdpAddr, kNatTcpAddr), nat_socket_factory_(new rtc::BasicPacketSocketFactory(&nat_factory_)), stun_server_(TestStunServer::Create(Thread::Current(), kStunAddr)), relay_server_(Thread::Current(), kRelayUdpIntAddr, kRelayUdpExtAddr, kRelayTcpIntAddr, kRelayTcpExtAddr, kRelaySslTcpIntAddr, kRelaySslTcpExtAddr), turn_server_(Thread::Current(), kTurnUdpIntAddr, kTurnUdpExtAddr), candidate_allocation_done_(false) { ServerAddresses stun_servers; stun_servers.insert(kStunAddr); // Passing the addresses of GTURN servers will enable GTURN in // Basicportallocator. allocator_.reset(new BasicPortAllocator(&network_manager_, stun_servers, kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr)); allocator_->set_step_delay(kMinimumStepDelay); } void AddInterface(const SocketAddress& addr) { network_manager_.AddInterface(addr); } void AddInterface(const SocketAddress& addr, const std::string& if_name) { network_manager_.AddInterface(addr, if_name); } void AddInterface(const SocketAddress& addr, const std::string& if_name, rtc::AdapterType type) { network_manager_.AddInterface(addr, if_name, type); } // The default route is the public address that STUN server will observe when // the endpoint is sitting on the public internet and the local port is bound // to the "any" address. This may be different from the default local address // which the endpoint observes. This can occur if the route to the public // endpoint like 8.8.8.8 (specified as the default local address) is // different from the route to the STUN server (the default route). void AddInterfaceAsDefaultRoute(const SocketAddress& addr) { AddInterface(addr); // When a binding comes from the any address, the |addr| will be used as the // srflx address. vss_->SetDefaultRoute(addr.ipaddr()); } void RemoveInterface(const SocketAddress& addr) { network_manager_.RemoveInterface(addr); } bool SetPortRange(int min_port, int max_port) { return allocator_->SetPortRange(min_port, max_port); } // Endpoint is on the public network. No STUN or TURN. void ResetWithNoServersOrNat() { allocator_.reset(new BasicPortAllocator(&network_manager_)); allocator_->set_step_delay(kMinimumStepDelay); } // Endpoint is behind a NAT, with STUN specified. void ResetWithStunServerAndNat(const rtc::SocketAddress& stun_server) { ResetWithStunServer(stun_server, true); } // Endpoint is on the public network, with STUN specified. void ResetWithStunServerNoNat(const rtc::SocketAddress& stun_server) { ResetWithStunServer(stun_server, false); } // Endpoint is on the public network, with TURN specified. void ResetWithTurnServersNoNat(const rtc::SocketAddress& udp_turn, const rtc::SocketAddress& tcp_turn) { ResetWithNoServersOrNat(); AddTurnServers(udp_turn, tcp_turn); } void AddTurnServers(const rtc::SocketAddress& udp_turn, const rtc::SocketAddress& tcp_turn) { RelayServerConfig turn_server(RELAY_TURN); RelayCredentials credentials(kTurnUsername, kTurnPassword); turn_server.credentials = credentials; if (!udp_turn.IsNil()) { turn_server.ports.push_back( ProtocolAddress(kTurnUdpIntAddr, PROTO_UDP, false)); } if (!tcp_turn.IsNil()) { turn_server.ports.push_back( ProtocolAddress(kTurnTcpIntAddr, PROTO_TCP, false)); } allocator_->AddTurnServer(turn_server); } bool CreateSession(int component) { session_ = CreateSession("session", component); if (!session_) { return false; } return true; } bool CreateSession(int component, const std::string& content_name) { session_ = CreateSession("session", content_name, component); if (!session_) { return false; } return true; } std::unique_ptr CreateSession(const std::string& sid, int component) { return CreateSession(sid, kContentName, component); } std::unique_ptr CreateSession( const std::string& sid, const std::string& content_name, int component) { return CreateSession(sid, content_name, component, kIceUfrag0, kIcePwd0); } std::unique_ptr CreateSession( const std::string& sid, const std::string& content_name, int component, const std::string& ice_ufrag, const std::string& ice_pwd) { std::unique_ptr session = allocator_->CreateSession( sid, content_name, component, ice_ufrag, ice_pwd); session->SignalPortReady.connect(this, &BasicPortAllocatorTest::OnPortReady); session->SignalCandidatesReady.connect( this, &BasicPortAllocatorTest::OnCandidatesReady); session->SignalCandidatesAllocationDone.connect( this, &BasicPortAllocatorTest::OnCandidatesAllocationDone); return session; } // Return true if the addresses are the same, or the port is 0 in |pattern| // (acting as a wildcard) and the IPs are the same. // Even with a wildcard port, the port of the address should be nonzero if // the IP is nonzero. static bool AddressMatch(const SocketAddress& address, const SocketAddress& pattern) { return address.ipaddr() == pattern.ipaddr() && ((pattern.port() == 0 && (address.port() != 0 || IPIsAny(address.ipaddr()))) || (pattern.port() != 0 && address.port() == pattern.port())); } // Find a candidate and return it. static bool FindCandidate(const std::vector& candidates, const std::string& type, const std::string& proto, const SocketAddress& addr, Candidate* found) { auto it = std::find_if(candidates.begin(), candidates.end(), [type, proto, addr](const Candidate& c) { return c.type() == type && c.protocol() == proto && AddressMatch(c.address(), addr); }); if (it != candidates.end() && found) { *found = *it; } return it != candidates.end(); } // Convenience method to call FindCandidate with no return. static bool HasCandidate(const std::vector& candidates, const std::string& type, const std::string& proto, const SocketAddress& addr) { return FindCandidate(candidates, type, proto, addr, nullptr); } // Version of HasCandidate that also takes a related address. static bool HasCandidateWithRelatedAddr( const std::vector& candidates, const std::string& type, const std::string& proto, const SocketAddress& addr, const SocketAddress& related_addr) { auto it = std::find_if(candidates.begin(), candidates.end(), [type, proto, addr, related_addr](const Candidate& c) { return c.type() == type && c.protocol() == proto && AddressMatch(c.address(), addr) && AddressMatch(c.related_address(), related_addr); }); return it != candidates.end(); } static bool CheckPort(const rtc::SocketAddress& addr, int min_port, int max_port) { return (addr.port() >= min_port && addr.port() <= max_port); } void OnCandidatesAllocationDone(PortAllocatorSession* session) { // We should only get this callback once, except in the mux test where // we have multiple port allocation sessions. if (session == session_.get()) { ASSERT_FALSE(candidate_allocation_done_); candidate_allocation_done_ = true; } EXPECT_TRUE(session->CandidatesAllocationDone()); } // Check if all ports allocated have send-buffer size |expected|. If // |expected| == -1, check if GetOptions returns SOCKET_ERROR. void CheckSendBufferSizesOfAllPorts(int expected) { std::vector::iterator it; for (it = ports_.begin(); it < ports_.end(); ++it) { int send_buffer_size; if (expected == -1) { EXPECT_EQ(SOCKET_ERROR, (*it)->GetOption(rtc::Socket::OPT_SNDBUF, &send_buffer_size)); } else { EXPECT_EQ(0, (*it)->GetOption(rtc::Socket::OPT_SNDBUF, &send_buffer_size)); ASSERT_EQ(expected, send_buffer_size); } } } // This function starts the port/address gathering and check the existence of // candidates as specified. When |expect_stun_candidate| is true, // |stun_candidate_addr| carries the expected reflective address, which is // also the related address for TURN candidate if it is expected. Otherwise, // it should be ignore. void CheckDisableAdapterEnumeration( uint32_t total_ports, const rtc::IPAddress& host_candidate_addr, const rtc::IPAddress& stun_candidate_addr, const rtc::IPAddress& relay_candidate_udp_transport_addr, const rtc::IPAddress& relay_candidate_tcp_transport_addr) { network_manager_.set_default_local_addresses(kPrivateAddr.ipaddr(), rtc::IPAddress()); if (!session_) { EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); } session_->set_flags(session_->flags() | PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION | PORTALLOCATOR_ENABLE_SHARED_SOCKET); allocator().set_allow_tcp_listen(false); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); uint32_t total_candidates = 0; if (!host_candidate_addr.IsNil()) { EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", rtc::SocketAddress(kPrivateAddr.ipaddr(), 0)); ++total_candidates; } if (!stun_candidate_addr.IsNil()) { rtc::SocketAddress related_address(host_candidate_addr, 0); if (host_candidate_addr.IsNil()) { related_address.SetIP(rtc::GetAnyIP(stun_candidate_addr.family())); } EXPECT_PRED5(HasCandidateWithRelatedAddr, candidates_, "stun", "udp", rtc::SocketAddress(stun_candidate_addr, 0), related_address); ++total_candidates; } if (!relay_candidate_udp_transport_addr.IsNil()) { EXPECT_PRED5(HasCandidateWithRelatedAddr, candidates_, "relay", "udp", rtc::SocketAddress(relay_candidate_udp_transport_addr, 0), rtc::SocketAddress(stun_candidate_addr, 0)); ++total_candidates; } if (!relay_candidate_tcp_transport_addr.IsNil()) { EXPECT_PRED5(HasCandidateWithRelatedAddr, candidates_, "relay", "udp", rtc::SocketAddress(relay_candidate_tcp_transport_addr, 0), rtc::SocketAddress(stun_candidate_addr, 0)); ++total_candidates; } EXPECT_EQ(total_candidates, candidates_.size()); EXPECT_EQ(total_ports, ports_.size()); } protected: BasicPortAllocator& allocator() { return *allocator_; } void OnPortReady(PortAllocatorSession* ses, PortInterface* port) { LOG(LS_INFO) << "OnPortReady: " << port->ToString(); ports_.push_back(port); // Make sure the new port is added to ReadyPorts. auto ready_ports = ses->ReadyPorts(); EXPECT_NE(ready_ports.end(), std::find(ready_ports.begin(), ready_ports.end(), port)); } void OnCandidatesReady(PortAllocatorSession* ses, const std::vector& candidates) { for (const Candidate& candidate : candidates) { LOG(LS_INFO) << "OnCandidatesReady: " << candidate.ToString(); // Sanity check that the ICE component is set. EXPECT_EQ(ICE_CANDIDATE_COMPONENT_RTP, candidate.component()); candidates_.push_back(candidate); } // Make sure the new candidates are added to Candidates. auto ses_candidates = ses->ReadyCandidates(); for (const Candidate& candidate : candidates) { EXPECT_NE( ses_candidates.end(), std::find(ses_candidates.begin(), ses_candidates.end(), candidate)); } } bool HasRelayAddress(const ProtocolAddress& proto_addr) { for (size_t i = 0; i < allocator_->turn_servers().size(); ++i) { RelayServerConfig server_config = allocator_->turn_servers()[i]; PortList::const_iterator relay_port; for (relay_port = server_config.ports.begin(); relay_port != server_config.ports.end(); ++relay_port) { if (proto_addr.address == relay_port->address && proto_addr.proto == relay_port->proto) return true; } } return false; } void ResetWithStunServer(const rtc::SocketAddress& stun_server, bool with_nat) { if (with_nat) { nat_server_.reset(new rtc::NATServer( rtc::NAT_OPEN_CONE, vss_.get(), kNatUdpAddr, kNatTcpAddr, vss_.get(), rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0))); } else { nat_socket_factory_.reset(new rtc::BasicPacketSocketFactory()); } ServerAddresses stun_servers; if (!stun_server.IsNil()) { stun_servers.insert(stun_server); } allocator_.reset(new BasicPortAllocator( &network_manager_, nat_socket_factory_.get(), stun_servers)); allocator().set_step_delay(kMinimumStepDelay); } std::unique_ptr pss_; std::unique_ptr vss_; std::unique_ptr fss_; rtc::SocketServerScope ss_scope_; std::unique_ptr nat_server_; rtc::NATSocketFactory nat_factory_; std::unique_ptr nat_socket_factory_; std::unique_ptr stun_server_; TestRelayServer relay_server_; TestTurnServer turn_server_; rtc::FakeNetworkManager network_manager_; std::unique_ptr allocator_; std::unique_ptr session_; std::vector ports_; std::vector candidates_; bool candidate_allocation_done_; }; // Tests that we can init the port allocator and create a session. TEST_F(BasicPortAllocatorTest, TestBasic) { EXPECT_EQ(&network_manager_, allocator().network_manager()); EXPECT_EQ(kStunAddr, *allocator().stun_servers().begin()); ASSERT_EQ(1u, allocator().turn_servers().size()); EXPECT_EQ(RELAY_GTURN, allocator().turn_servers()[0].type); // Empty relay credentials are used for GTURN. EXPECT_TRUE(allocator().turn_servers()[0].credentials.username.empty()); EXPECT_TRUE(allocator().turn_servers()[0].credentials.password.empty()); EXPECT_TRUE(HasRelayAddress(ProtocolAddress(kRelayUdpIntAddr, PROTO_UDP))); EXPECT_TRUE(HasRelayAddress(ProtocolAddress(kRelayTcpIntAddr, PROTO_TCP))); EXPECT_TRUE( HasRelayAddress(ProtocolAddress(kRelaySslTcpIntAddr, PROTO_SSLTCP))); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); EXPECT_FALSE(session_->CandidatesAllocationDone()); } // Tests that our network filtering works properly. TEST_F(BasicPortAllocatorTest, TestIgnoreOnlyLoopbackNetworkByDefault) { AddInterface(SocketAddress(IPAddress(0x12345600U), 0), "test_eth0", rtc::ADAPTER_TYPE_ETHERNET); AddInterface(SocketAddress(IPAddress(0x12345601U), 0), "test_wlan0", rtc::ADAPTER_TYPE_WIFI); AddInterface(SocketAddress(IPAddress(0x12345602U), 0), "test_cell0", rtc::ADAPTER_TYPE_CELLULAR); AddInterface(SocketAddress(IPAddress(0x12345603U), 0), "test_vpn0", rtc::ADAPTER_TYPE_VPN); AddInterface(SocketAddress(IPAddress(0x12345604U), 0), "test_lo", rtc::ADAPTER_TYPE_LOOPBACK); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_RELAY | PORTALLOCATOR_DISABLE_TCP); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(4U, candidates_.size()); for (Candidate candidate : candidates_) { EXPECT_LT(candidate.address().ip(), 0x12345604U); } } TEST_F(BasicPortAllocatorTest, TestIgnoreNetworksAccordingToIgnoreMask) { AddInterface(SocketAddress(IPAddress(0x12345600U), 0), "test_eth0", rtc::ADAPTER_TYPE_ETHERNET); AddInterface(SocketAddress(IPAddress(0x12345601U), 0), "test_wlan0", rtc::ADAPTER_TYPE_WIFI); AddInterface(SocketAddress(IPAddress(0x12345602U), 0), "test_cell0", rtc::ADAPTER_TYPE_CELLULAR); allocator_->SetNetworkIgnoreMask(rtc::ADAPTER_TYPE_ETHERNET | rtc::ADAPTER_TYPE_LOOPBACK | rtc::ADAPTER_TYPE_WIFI); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_RELAY | PORTALLOCATOR_DISABLE_TCP); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(1U, candidates_.size()); EXPECT_EQ(0x12345602U, candidates_[0].address().ip()); } // Test that high cost networks are filtered if the flag // PORTALLOCATOR_DISABLE_COSTLY_NETWORKS is set. TEST_F(BasicPortAllocatorTest, TestGatherLowCostNetworkOnly) { SocketAddress addr_wifi(IPAddress(0x12345600U), 0); SocketAddress addr_cellular(IPAddress(0x12345601U), 0); SocketAddress addr_unknown1(IPAddress(0x12345602U), 0); SocketAddress addr_unknown2(IPAddress(0x12345603U), 0); // If both Wi-Fi and cellular interfaces are present, only gather on the Wi-Fi // interface. AddInterface(addr_wifi, "test_wlan0", rtc::ADAPTER_TYPE_WIFI); AddInterface(addr_cellular, "test_cell0", rtc::ADAPTER_TYPE_CELLULAR); allocator().set_flags(cricket::PORTALLOCATOR_DISABLE_STUN | cricket::PORTALLOCATOR_DISABLE_RELAY | cricket::PORTALLOCATOR_DISABLE_TCP | cricket::PORTALLOCATOR_DISABLE_COSTLY_NETWORKS); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(1U, candidates_.size()); EXPECT_TRUE(addr_wifi.EqualIPs(candidates_[0].address())); // If both cellular and unknown interfaces are present, only gather on the // unknown interfaces. candidates_.clear(); candidate_allocation_done_ = false; RemoveInterface(addr_wifi); AddInterface(addr_unknown1, "test_unknown0", rtc::ADAPTER_TYPE_UNKNOWN); AddInterface(addr_unknown2, "test_unknown1", rtc::ADAPTER_TYPE_UNKNOWN); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(2U, candidates_.size()); EXPECT_TRUE((addr_unknown1.EqualIPs(candidates_[0].address()) && addr_unknown2.EqualIPs(candidates_[1].address())) || (addr_unknown1.EqualIPs(candidates_[1].address()) && addr_unknown2.EqualIPs(candidates_[0].address()))); // If Wi-Fi, cellular, unknown interfaces are all present, only gather on the // Wi-Fi interface. candidates_.clear(); candidate_allocation_done_ = false; AddInterface(addr_wifi, "test_wlan0", rtc::ADAPTER_TYPE_WIFI); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(1U, candidates_.size()); EXPECT_TRUE(addr_wifi.EqualIPs(candidates_[0].address())); } // Tests that we allocator session not trying to allocate ports for every 250ms. TEST_F(BasicPortAllocatorTest, TestNoNetworkInterface) { EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); // Waiting for one second to make sure BasicPortAllocatorSession has not // called OnAllocate multiple times. In old behavior it's called every 250ms. // When there are no network interfaces, each execution of OnAllocate will // result in SignalCandidatesAllocationDone signal. rtc::Thread::Current()->ProcessMessages(1000); EXPECT_TRUE(candidate_allocation_done_); EXPECT_EQ(0U, candidates_.size()); } // Test that we could use loopback interface as host candidate. TEST_F(BasicPortAllocatorTest, TestLoopbackNetworkInterface) { AddInterface(kLoopbackAddr, "test_loopback", rtc::ADAPTER_TYPE_LOOPBACK); allocator_->SetNetworkIgnoreMask(0); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_RELAY | PORTALLOCATOR_DISABLE_TCP); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(1U, candidates_.size()); } // Tests that we can get all the desired addresses successfully. TEST_F(BasicPortAllocatorTest, TestGetAllPortsWithMinimumStepDelay) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "stun", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpExtAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_TRUE(candidate_allocation_done_); } // Test that when the same network interface is brought down and up, the // port allocator session will restart a new allocation sequence if // it is not stopped. TEST_F(BasicPortAllocatorTest, TestSameNetworkDownAndUpWhenSessionNotStopped) { std::string if_name("test_net0"); AddInterface(kClientAddr, if_name); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); candidate_allocation_done_ = false; candidates_.clear(); ports_.clear(); RemoveInterface(kClientAddr); ASSERT_EQ_WAIT(0U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(0U, ports_.size()); EXPECT_FALSE(candidate_allocation_done_); // When the same interfaces are added again, new candidates/ports should be // generated. AddInterface(kClientAddr, if_name); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); } // Test that when the same network interface is brought down and up, the // port allocator session will not restart a new allocation sequence if // it is stopped. TEST_F(BasicPortAllocatorTest, TestSameNetworkDownAndUpWhenSessionStopped) { std::string if_name("test_net0"); AddInterface(kClientAddr, if_name); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); session_->StopGettingPorts(); candidates_.clear(); ports_.clear(); RemoveInterface(kClientAddr); ASSERT_EQ_WAIT(0U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(0U, ports_.size()); // When the same interfaces are added again, new candidates/ports should not // be generated because the session has stopped. AddInterface(kClientAddr, if_name); ASSERT_EQ_WAIT(0U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(0U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); } // Verify candidates with default step delay of 1sec. TEST_F(BasicPortAllocatorTest, TestGetAllPortsWithOneSecondStepDelay) { AddInterface(kClientAddr); allocator_->set_step_delay(kDefaultStepDelay); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(2U, candidates_.size(), 1000); EXPECT_EQ(2U, ports_.size()); ASSERT_EQ_WAIT(4U, candidates_.size(), 2000); EXPECT_EQ(3U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpExtAddr); ASSERT_EQ_WAIT(6U, candidates_.size(), 1500); EXPECT_PRED4(HasCandidate, candidates_, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); EXPECT_EQ(4U, ports_.size()); ASSERT_EQ_WAIT(7U, candidates_.size(), 2000); EXPECT_PRED4(HasCandidate, candidates_, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_EQ(4U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); // If we Stop gathering now, we shouldn't get a second "done" callback. session_->StopGettingPorts(); } TEST_F(BasicPortAllocatorTest, TestSetupVideoRtpPortsWithNormalSendBuffers) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP, CN_VIDEO)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_TRUE(candidate_allocation_done_); // If we Stop gathering now, we shouldn't get a second "done" callback. session_->StopGettingPorts(); // All ports should have unset send-buffer sizes. CheckSendBufferSizesOfAllPorts(-1); } // Tests that we can get callback after StopGetAllPorts. TEST_F(BasicPortAllocatorTest, TestStopGetAllPorts) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(2U, ports_.size()); session_->StopGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); } // Test that we restrict client ports appropriately when a port range is set. // We check the candidates for udp/stun/tcp ports, and the from address // for relay ports. TEST_F(BasicPortAllocatorTest, TestGetAllPortsPortRange) { AddInterface(kClientAddr); // Check that an invalid port range fails. EXPECT_FALSE(SetPortRange(kMaxPort, kMinPort)); // Check that a null port range succeeds. EXPECT_TRUE(SetPortRange(0, 0)); // Check that a valid port range succeeds. EXPECT_TRUE(SetPortRange(kMinPort, kMaxPort)); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); // Check the port number for the UDP port object. EXPECT_PRED3(CheckPort, candidates_[0].address(), kMinPort, kMaxPort); // Check the port number for the STUN port object. EXPECT_PRED3(CheckPort, candidates_[1].address(), kMinPort, kMaxPort); // Check the port number used to connect to the relay server. EXPECT_PRED3(CheckPort, relay_server_.GetConnection(0).source(), kMinPort, kMaxPort); // Check the port number for the TCP port object. EXPECT_PRED3(CheckPort, candidates_[5].address(), kMinPort, kMaxPort); EXPECT_TRUE(candidate_allocation_done_); } // Test that we don't crash or malfunction if we have no network adapters. TEST_F(BasicPortAllocatorTest, TestGetAllPortsNoAdapters) { EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); rtc::Thread::Current()->ProcessMessages(100); // Without network adapter, we should not get any candidate. EXPECT_EQ(0U, candidates_.size()); EXPECT_TRUE(candidate_allocation_done_); } // Test that when enumeration is disabled, we should not have any ports when // candidate_filter() is set to CF_RELAY and no relay is specified. TEST_F(BasicPortAllocatorTest, TestDisableAdapterEnumerationWithoutNatRelayTransportOnly) { ResetWithStunServerNoNat(kStunAddr); allocator().set_candidate_filter(CF_RELAY); // Expect to see no ports and no candidates. CheckDisableAdapterEnumeration(0U, rtc::IPAddress(), rtc::IPAddress(), rtc::IPAddress(), rtc::IPAddress()); } // Test that even with multiple interfaces, the result should still be a single // default private, one STUN and one TURN candidate since we bind to any address // (i.e. all 0s). TEST_F(BasicPortAllocatorTest, TestDisableAdapterEnumerationBehindNatMultipleInterfaces) { AddInterface(kPrivateAddr); AddInterface(kPrivateAddr2); ResetWithStunServerAndNat(kStunAddr); AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); // Enable IPv6 here. Since the network_manager doesn't have IPv6 default // address set and we have no IPv6 STUN server, there should be no IPv6 // candidates. EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_ENABLE_IPV6); // Expect to see 3 ports for IPv4: HOST/STUN, TURN/UDP and TCP ports, 2 ports // for IPv6: HOST, and TCP. Only IPv4 candidates: a default private, STUN and // TURN/UDP candidates. CheckDisableAdapterEnumeration(5U, kPrivateAddr.ipaddr(), kNatUdpAddr.ipaddr(), kTurnUdpExtAddr.ipaddr(), rtc::IPAddress()); } // Test that we should get a default private, STUN, TURN/UDP and TURN/TCP // candidates when both TURN/UDP and TURN/TCP servers are specified. TEST_F(BasicPortAllocatorTest, TestDisableAdapterEnumerationBehindNatWithTcp) { turn_server_.AddInternalSocket(kTurnTcpIntAddr, PROTO_TCP); AddInterface(kPrivateAddr); ResetWithStunServerAndNat(kStunAddr); AddTurnServers(kTurnUdpIntAddr, kTurnTcpIntAddr); // Expect to see 4 ports - STUN, TURN/UDP, TURN/TCP and TCP port. A default // private, STUN, TURN/UDP, and TURN/TCP candidates. CheckDisableAdapterEnumeration(4U, kPrivateAddr.ipaddr(), kNatUdpAddr.ipaddr(), kTurnUdpExtAddr.ipaddr(), kTurnUdpExtAddr.ipaddr()); } // Test that when adapter enumeration is disabled, for endpoints without // STUN/TURN specified, a default private candidate is still generated. TEST_F(BasicPortAllocatorTest, TestDisableAdapterEnumerationWithoutNatOrServers) { ResetWithNoServersOrNat(); // Expect to see 2 ports: STUN and TCP ports, one default private candidate. CheckDisableAdapterEnumeration(2U, kPrivateAddr.ipaddr(), rtc::IPAddress(), rtc::IPAddress(), rtc::IPAddress()); } // Test that when adapter enumeration is disabled, with // PORTALLOCATOR_DISABLE_LOCALHOST_CANDIDATE specified, for endpoints not behind // a NAT, there is no local candidate. TEST_F(BasicPortAllocatorTest, TestDisableAdapterEnumerationWithoutNatLocalhostCandidateDisabled) { ResetWithStunServerNoNat(kStunAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_DEFAULT_LOCAL_CANDIDATE); // Expect to see 2 ports: STUN and TCP ports, localhost candidate and STUN // candidate. CheckDisableAdapterEnumeration(2U, rtc::IPAddress(), rtc::IPAddress(), rtc::IPAddress(), rtc::IPAddress()); } // Test that when adapter enumeration is disabled, with // PORTALLOCATOR_DISABLE_LOCALHOST_CANDIDATE specified, for endpoints not behind // a NAT, there is no local candidate. However, this specified default route // (kClientAddr) which was discovered when sending STUN requests, will become // the srflx addresses. TEST_F( BasicPortAllocatorTest, TestDisableAdapterEnumerationWithoutNatLocalhostCandidateDisabledWithDifferentDefaultRoute) { ResetWithStunServerNoNat(kStunAddr); AddInterfaceAsDefaultRoute(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_DEFAULT_LOCAL_CANDIDATE); // Expect to see 2 ports: STUN and TCP ports, localhost candidate and STUN // candidate. CheckDisableAdapterEnumeration(2U, rtc::IPAddress(), kClientAddr.ipaddr(), rtc::IPAddress(), rtc::IPAddress()); } // Test that when adapter enumeration is disabled, with // PORTALLOCATOR_DISABLE_LOCALHOST_CANDIDATE specified, for endpoints behind a // NAT, there is only one STUN candidate. TEST_F(BasicPortAllocatorTest, TestDisableAdapterEnumerationWithNatLocalhostCandidateDisabled) { ResetWithStunServerAndNat(kStunAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_DEFAULT_LOCAL_CANDIDATE); // Expect to see 2 ports: STUN and TCP ports, and single STUN candidate. CheckDisableAdapterEnumeration(2U, rtc::IPAddress(), kNatUdpAddr.ipaddr(), rtc::IPAddress(), rtc::IPAddress()); } // Test that we disable relay over UDP, and only TCP is used when connecting to // the relay server. TEST_F(BasicPortAllocatorTest, TestDisableUdpTurn) { turn_server_.AddInternalSocket(kTurnTcpIntAddr, PROTO_TCP); AddInterface(kClientAddr); ResetWithStunServerAndNat(kStunAddr); AddTurnServers(kTurnUdpIntAddr, kTurnTcpIntAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_UDP_RELAY | PORTALLOCATOR_DISABLE_UDP | PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_ENABLE_SHARED_SOCKET); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); // Expect to see 2 ports and 2 candidates - TURN/TCP and TCP ports, TCP and // TURN/TCP candidates. EXPECT_EQ(2U, ports_.size()); EXPECT_EQ(2U, candidates_.size()); Candidate turn_candidate; EXPECT_PRED5(FindCandidate, candidates_, "relay", "udp", kTurnUdpExtAddr, &turn_candidate); // The TURN candidate should use TCP to contact the TURN server. EXPECT_EQ(TCP_PROTOCOL_NAME, turn_candidate.relay_protocol()); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); } // Disable for asan, see // https://code.google.com/p/webrtc/issues/detail?id=4743 for details. #if !defined(ADDRESS_SANITIZER) // Test that we can get OnCandidatesAllocationDone callback when all the ports // are disabled. TEST_F(BasicPortAllocatorTest, TestDisableAllPorts) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(PORTALLOCATOR_DISABLE_UDP | PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_RELAY | PORTALLOCATOR_DISABLE_TCP); session_->StartGettingPorts(); rtc::Thread::Current()->ProcessMessages(100); EXPECT_EQ(0U, candidates_.size()); EXPECT_TRUE(candidate_allocation_done_); } // Test that we don't crash or malfunction if we can't create UDP sockets. TEST_F(BasicPortAllocatorTest, TestGetAllPortsNoUdpSockets) { AddInterface(kClientAddr); fss_->set_udp_sockets_enabled(false); EXPECT_TRUE(CreateSession(1)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(5U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(2U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpExtAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_TRUE(candidate_allocation_done_); } #endif // if !defined(ADDRESS_SANITIZER) // Test that we don't crash or malfunction if we can't create UDP sockets or // listen on TCP sockets. We still give out a local TCP address, since // apparently this is needed for the remote side to accept our connection. TEST_F(BasicPortAllocatorTest, TestGetAllPortsNoUdpSocketsNoTcpListen) { AddInterface(kClientAddr); fss_->set_udp_sockets_enabled(false); fss_->set_tcp_listen_enabled(false); EXPECT_TRUE(CreateSession(1)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(5U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(2U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpExtAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_TRUE(candidate_allocation_done_); } // Test that we don't crash or malfunction if we can't create any sockets. // TODO(deadbeef): Find a way to exit early here. TEST_F(BasicPortAllocatorTest, TestGetAllPortsNoSockets) { AddInterface(kClientAddr); fss_->set_tcp_sockets_enabled(false); fss_->set_udp_sockets_enabled(false); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); WAIT(candidates_.size() > 0, 2000); // TODO(deadbeef): Check candidate_allocation_done signal. // In case of Relay, ports creation will succeed but sockets will fail. // There is no error reporting from RelayEntry to handle this failure. } // Testing STUN timeout. TEST_F(BasicPortAllocatorTest, TestGetAllPortsNoUdpAllowed) { fss_->AddRule(false, rtc::FP_UDP, rtc::FD_ANY, kClientAddr); AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(2U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); // RelayPort connection timeout is 3sec. TCP connection with RelayServer // will be tried after 3 seconds. // TODO(deadbeef): Use simulated clock here, waiting for exactly 3 seconds. EXPECT_EQ_WAIT(6U, candidates_.size(), kStunTimeoutMs); EXPECT_EQ(3U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", kRelayUdpExtAddr); // Stun Timeout is 9.5sec. // TODO(deadbeef): Use simulated clock here, waiting exactly 6.5 seconds. EXPECT_TRUE_WAIT(candidate_allocation_done_, kStunTimeoutMs); } TEST_F(BasicPortAllocatorTest, TestCandidatePriorityOfMultipleInterfaces) { AddInterface(kClientAddr); AddInterface(kClientAddr2); // Allocating only host UDP ports. This is done purely for testing // convenience. allocator().set_flags(PORTALLOCATOR_DISABLE_TCP | PORTALLOCATOR_DISABLE_STUN | PORTALLOCATOR_DISABLE_RELAY); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); ASSERT_EQ(2U, candidates_.size()); EXPECT_EQ(2U, ports_.size()); // Candidates priorities should be different. EXPECT_NE(candidates_[0].priority(), candidates_[1].priority()); } // Test to verify ICE restart process. TEST_F(BasicPortAllocatorTest, TestGetAllPortsRestarts) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); // TODO(deadbeef): Extend this to verify ICE restart. } // Test that the allocator session uses the candidate filter it's created with, // rather than the filter of its parent allocator. // The filter of the allocator should only affect the next gathering phase, // according to JSEP, which means the *next* allocator session returned. TEST_F(BasicPortAllocatorTest, TestSessionUsesOwnCandidateFilter) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); // Set candidate filter *after* creating the session. Should have no effect. allocator().set_candidate_filter(CF_RELAY); session_->StartGettingPorts(); // 7 candidates and 4 ports is what we would normally get (see the // TestGetAllPorts* tests). EXPECT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); } // Test ICE candidate filter mechanism with options Relay/Host/Reflexive. // This test also verifies that when the allocator is only allowed to use // relay (i.e. IceTransportsType is relay), the raddr is an empty // address with the correct family. This is to prevent any local // reflective address leakage in the sdp line. TEST_F(BasicPortAllocatorTest, TestCandidateFilterWithRelayOnly) { AddInterface(kClientAddr); // GTURN is not configured here. ResetWithTurnServersNoNat(kTurnUdpIntAddr, rtc::SocketAddress()); allocator().set_candidate_filter(CF_RELAY); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); EXPECT_EQ(1U, candidates_.size()); EXPECT_EQ(1U, ports_.size()); // Only Relay port will be in ready state. EXPECT_EQ(std::string(RELAY_PORT_TYPE), candidates_[0].type()); EXPECT_EQ( candidates_[0].related_address(), rtc::EmptySocketAddressWithFamily(candidates_[0].address().family())); } TEST_F(BasicPortAllocatorTest, TestCandidateFilterWithHostOnly) { AddInterface(kClientAddr); allocator().set_flags(PORTALLOCATOR_ENABLE_SHARED_SOCKET); allocator().set_candidate_filter(CF_HOST); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(2U, candidates_.size()); // Host UDP/TCP candidates only. EXPECT_EQ(2U, ports_.size()); // UDP/TCP ports only. for (const Candidate& candidate : candidates_) { EXPECT_EQ(std::string(LOCAL_PORT_TYPE), candidate.type()); } } // Host is behind the NAT. TEST_F(BasicPortAllocatorTest, TestCandidateFilterWithReflexiveOnly) { AddInterface(kPrivateAddr); ResetWithStunServerAndNat(kStunAddr); allocator().set_flags(PORTALLOCATOR_ENABLE_SHARED_SOCKET); allocator().set_candidate_filter(CF_REFLEXIVE); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); // Host is behind NAT, no private address will be exposed. Hence only UDP // port with STUN candidate will be sent outside. EXPECT_EQ(1U, candidates_.size()); // Only STUN candidate. EXPECT_EQ(1U, ports_.size()); // Only UDP port will be in ready state. EXPECT_EQ(std::string(STUN_PORT_TYPE), candidates_[0].type()); EXPECT_EQ( candidates_[0].related_address(), rtc::EmptySocketAddressWithFamily(candidates_[0].address().family())); } // Host is not behind the NAT. TEST_F(BasicPortAllocatorTest, TestCandidateFilterWithReflexiveOnlyAndNoNAT) { AddInterface(kClientAddr); allocator().set_flags(PORTALLOCATOR_ENABLE_SHARED_SOCKET); allocator().set_candidate_filter(CF_REFLEXIVE); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); // Host has a public address, both UDP and TCP candidates will be exposed. EXPECT_EQ(2U, candidates_.size()); // Local UDP + TCP candidate. EXPECT_EQ(2U, ports_.size()); // UDP and TCP ports will be in ready state. for (const Candidate& candidate : candidates_) { EXPECT_EQ(std::string(LOCAL_PORT_TYPE), candidate.type()); } } // Test that we get the same ufrag and pwd for all candidates. TEST_F(BasicPortAllocatorTest, TestEnableSharedUfrag) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "stun", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); EXPECT_EQ(4U, ports_.size()); for (const Candidate& candidate : candidates_) { EXPECT_EQ(kIceUfrag0, candidate.username()); EXPECT_EQ(kIcePwd0, candidate.password()); } EXPECT_TRUE(candidate_allocation_done_); } // Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port // is allocated for udp and stun. Also verify there is only one candidate // (local) if stun candidate is same as local candidate, which will be the case // in a public network like the below test. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithoutNat) { AddInterface(kClientAddr); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(6U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(3U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); } // Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port // is allocated for udp and stun. In this test we should expect both stun and // local candidates as client behind a nat. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithNat) { AddInterface(kClientAddr); ResetWithStunServerAndNat(kStunAddr); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(2U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "stun", "udp", rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0)); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(3U, candidates_.size()); } // Test TURN port in shared socket mode with UDP and TCP TURN server addresses. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithoutNatUsingTurn) { turn_server_.AddInternalSocket(kTurnTcpIntAddr, PROTO_TCP); AddInterface(kClientAddr); allocator_.reset(new BasicPortAllocator(&network_manager_)); AddTurnServers(kTurnUdpIntAddr, kTurnTcpIntAddr); allocator_->set_step_delay(kMinimumStepDelay); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET | PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(3U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(3U, candidates_.size()); } // Testing DNS resolve for the TURN server, this will test AllocationSequence // handling the unresolved address signal from TurnPort. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithServerAddressResolve) { turn_server_.AddInternalSocket(rtc::SocketAddress("127.0.0.1", 3478), PROTO_UDP); AddInterface(kClientAddr); allocator_.reset(new BasicPortAllocator(&network_manager_)); RelayServerConfig turn_server(RELAY_TURN); RelayCredentials credentials(kTurnUsername, kTurnPassword); turn_server.credentials = credentials; turn_server.ports.push_back( ProtocolAddress(rtc::SocketAddress("localhost", 3478), PROTO_UDP, false)); allocator_->AddTurnServer(turn_server); allocator_->set_step_delay(kMinimumStepDelay); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET | PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_EQ_WAIT(2U, ports_.size(), kDefaultAllocationTimeout); } // Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port // is allocated for udp/stun/turn. In this test we should expect all local, // stun and turn candidates. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithNatUsingTurn) { AddInterface(kClientAddr); ResetWithStunServerAndNat(kStunAddr); AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET | PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(2U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "stun", "udp", rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0)); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(3U, candidates_.size()); // Local port will be created first and then TURN port. EXPECT_EQ(2U, ports_[0]->Candidates().size()); EXPECT_EQ(1U, ports_[1]->Candidates().size()); } // Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled and the TURN // server is also used as the STUN server, we should get 'local', 'stun', and // 'relay' candidates. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithNatUsingTurnAsStun) { AddInterface(kClientAddr); // Use an empty SocketAddress to add a NAT without STUN server. ResetWithStunServerAndNat(SocketAddress()); AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); // Must set the step delay to 0 to make sure the relay allocation phase is // started before the STUN candidates are obtained, so that the STUN binding // response is processed when both StunPort and TurnPort exist to reproduce // webrtc issue 3537. allocator_->set_step_delay(0); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET | PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); Candidate stun_candidate; EXPECT_PRED5(FindCandidate, candidates_, "stun", "udp", rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0), &stun_candidate); EXPECT_PRED5(HasCandidateWithRelatedAddr, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0), stun_candidate.address()); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(3U, candidates_.size()); // Local port will be created first and then TURN port. EXPECT_EQ(2U, ports_[0]->Candidates().size()); EXPECT_EQ(1U, ports_[1]->Candidates().size()); } // Test that when only a TCP TURN server is available, we do NOT use it as // a UDP STUN server, as this could leak our IP address. Thus we should only // expect two ports, a UDPPort and TurnPort. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithNatUsingTurnTcpOnly) { turn_server_.AddInternalSocket(kTurnTcpIntAddr, PROTO_TCP); AddInterface(kClientAddr); ResetWithStunServerAndNat(rtc::SocketAddress()); AddTurnServers(rtc::SocketAddress(), kTurnTcpIntAddr); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET | PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(2U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(2U, candidates_.size()); EXPECT_EQ(1U, ports_[0]->Candidates().size()); EXPECT_EQ(1U, ports_[1]->Candidates().size()); } // Test that even when PORTALLOCATOR_ENABLE_SHARED_SOCKET is NOT enabled, the // TURN server is used as the STUN server and we get 'local', 'stun', and // 'relay' candidates. // TODO(deadbeef): Remove this test when support for non-shared socket mode // is removed. TEST_F(BasicPortAllocatorTest, TestNonSharedSocketWithNatUsingTurnAsStun) { AddInterface(kClientAddr); // Use an empty SocketAddress to add a NAT without STUN server. ResetWithStunServerAndNat(SocketAddress()); AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(3U, ports_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); Candidate stun_candidate; EXPECT_PRED5(FindCandidate, candidates_, "stun", "udp", rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0), &stun_candidate); Candidate turn_candidate; EXPECT_PRED5(FindCandidate, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0), &turn_candidate); // Not using shared socket, so the STUN request's server reflexive address // should be different than the TURN request's server reflexive address. EXPECT_NE(turn_candidate.related_address(), stun_candidate.address()); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_EQ(3U, candidates_.size()); EXPECT_EQ(1U, ports_[0]->Candidates().size()); EXPECT_EQ(1U, ports_[1]->Candidates().size()); EXPECT_EQ(1U, ports_[2]->Candidates().size()); } // Test that even when both a STUN and TURN server are configured, the TURN // server is used as a STUN server and we get a 'stun' candidate. TEST_F(BasicPortAllocatorTest, TestSharedSocketWithNatUsingTurnAndStun) { AddInterface(kClientAddr); // Configure with STUN server but destroy it, so we can ensure that it's // the TURN server actually being used as a STUN server. ResetWithStunServerAndNat(kStunAddr); stun_server_.reset(); AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); allocator_->set_flags(allocator().flags() | PORTALLOCATOR_ENABLE_SHARED_SOCKET | PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); Candidate stun_candidate; EXPECT_PRED5(FindCandidate, candidates_, "stun", "udp", rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0), &stun_candidate); EXPECT_PRED5(HasCandidateWithRelatedAddr, candidates_, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0), stun_candidate.address()); // Don't bother waiting for STUN timeout, since we already verified // that we got a STUN candidate from the TURN server. } // This test verifies when PORTALLOCATOR_ENABLE_SHARED_SOCKET flag is enabled // and fail to generate STUN candidate, local UDP candidate is generated // properly. TEST_F(BasicPortAllocatorTest, TestSharedSocketNoUdpAllowed) { allocator().set_flags(allocator().flags() | PORTALLOCATOR_DISABLE_RELAY | PORTALLOCATOR_DISABLE_TCP | PORTALLOCATOR_ENABLE_SHARED_SOCKET); fss_->AddRule(false, rtc::FP_UDP, rtc::FD_ANY, kClientAddr); AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(1U, ports_.size(), kDefaultAllocationTimeout); EXPECT_EQ(1U, candidates_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); // STUN timeout is 9.5sec. We need to wait to get candidate done signal. EXPECT_TRUE_WAIT(candidate_allocation_done_, kStunTimeoutMs); EXPECT_EQ(1U, candidates_.size()); } // Test that when the NetworkManager doesn't have permission to enumerate // adapters, the PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION is specified // automatically. TEST_F(BasicPortAllocatorTest, TestNetworkPermissionBlocked) { network_manager_.set_default_local_addresses(kPrivateAddr.ipaddr(), rtc::IPAddress()); network_manager_.set_enumeration_permission( rtc::NetworkManager::ENUMERATION_BLOCKED); allocator().set_flags(allocator().flags() | PORTALLOCATOR_DISABLE_RELAY | PORTALLOCATOR_DISABLE_TCP | PORTALLOCATOR_ENABLE_SHARED_SOCKET); EXPECT_EQ(0U, allocator_->flags() & PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); EXPECT_EQ(0U, session_->flags() & PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION); session_->StartGettingPorts(); EXPECT_EQ_WAIT(1U, ports_.size(), kDefaultAllocationTimeout); EXPECT_EQ(1U, candidates_.size()); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kPrivateAddr); EXPECT_NE(0U, session_->flags() & PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION); } // This test verifies allocator can use IPv6 addresses along with IPv4. TEST_F(BasicPortAllocatorTest, TestEnableIPv6Addresses) { allocator().set_flags(allocator().flags() | PORTALLOCATOR_DISABLE_RELAY | PORTALLOCATOR_ENABLE_IPV6 | PORTALLOCATOR_ENABLE_SHARED_SOCKET); AddInterface(kClientIPv6Addr); AddInterface(kClientAddr); allocator_->set_step_delay(kMinimumStepDelay); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(4U, ports_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, candidates_.size()); EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientIPv6Addr); EXPECT_PRED4(HasCandidate, candidates_, "local", "udp", kClientAddr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientIPv6Addr); EXPECT_PRED4(HasCandidate, candidates_, "local", "tcp", kClientAddr); EXPECT_EQ(4U, candidates_.size()); } TEST_F(BasicPortAllocatorTest, TestStopGettingPorts) { AddInterface(kClientAddr); allocator_->set_step_delay(kDefaultStepDelay); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(2U, candidates_.size(), 1000); EXPECT_EQ(2U, ports_.size()); session_->StopGettingPorts(); EXPECT_TRUE_WAIT(candidate_allocation_done_, 1000); // After stopping getting ports, adding a new interface will not start // getting ports again. candidates_.clear(); ports_.clear(); candidate_allocation_done_ = false; network_manager_.AddInterface(kClientAddr2); rtc::Thread::Current()->ProcessMessages(1000); EXPECT_EQ(0U, candidates_.size()); EXPECT_EQ(0U, ports_.size()); } TEST_F(BasicPortAllocatorTest, TestClearGettingPorts) { AddInterface(kClientAddr); allocator_->set_step_delay(kDefaultStepDelay); EXPECT_TRUE(CreateSession(ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(2U, candidates_.size(), 1000); EXPECT_EQ(2U, ports_.size()); session_->ClearGettingPorts(); WAIT(candidate_allocation_done_, 1000); EXPECT_FALSE(candidate_allocation_done_); // After clearing getting ports, adding a new interface will start getting // ports again. candidates_.clear(); ports_.clear(); candidate_allocation_done_ = false; network_manager_.AddInterface(kClientAddr2); ASSERT_EQ_WAIT(2U, candidates_.size(), 1000); EXPECT_EQ(2U, ports_.size()); } // Test that the ports and candidates are updated with new ufrag/pwd/etc. when // a pooled session is taken out of the pool. TEST_F(BasicPortAllocatorTest, TestTransportInformationUpdated) { AddInterface(kClientAddr); int pool_size = 1; allocator_->SetConfiguration(allocator_->stun_servers(), allocator_->turn_servers(), pool_size); const PortAllocatorSession* peeked_session = allocator_->GetPooledSession(); ASSERT_NE(nullptr, peeked_session); EXPECT_EQ_WAIT(true, peeked_session->CandidatesAllocationDone(), kDefaultAllocationTimeout); // Expect that when TakePooledSession is called, // UpdateTransportInformationInternal will be called and the // BasicPortAllocatorSession will update the ufrag/pwd of ports and // candidates. session_ = allocator_->TakePooledSession(kContentName, 1, kIceUfrag0, kIcePwd0); ASSERT_NE(nullptr, session_.get()); auto ready_ports = session_->ReadyPorts(); auto candidates = session_->ReadyCandidates(); EXPECT_FALSE(ready_ports.empty()); EXPECT_FALSE(candidates.empty()); for (const PortInterface* port_interface : ready_ports) { const Port* port = static_cast(port_interface); EXPECT_EQ(kContentName, port->content_name()); EXPECT_EQ(1, port->component()); EXPECT_EQ(kIceUfrag0, port->username_fragment()); EXPECT_EQ(kIcePwd0, port->password()); } for (const Candidate& candidate : candidates) { EXPECT_EQ(1, candidate.component()); EXPECT_EQ(kIceUfrag0, candidate.username()); EXPECT_EQ(kIcePwd0, candidate.password()); } } // Test that a new candidate filter takes effect even on already-gathered // candidates. TEST_F(BasicPortAllocatorTest, TestSetCandidateFilterAfterCandidatesGathered) { AddInterface(kClientAddr); int pool_size = 1; allocator_->SetConfiguration(allocator_->stun_servers(), allocator_->turn_servers(), pool_size); const PortAllocatorSession* peeked_session = allocator_->GetPooledSession(); ASSERT_NE(nullptr, peeked_session); EXPECT_EQ_WAIT(true, peeked_session->CandidatesAllocationDone(), kDefaultAllocationTimeout); size_t initial_candidates_size = peeked_session->ReadyCandidates().size(); size_t initial_ports_size = peeked_session->ReadyPorts().size(); allocator_->set_candidate_filter(CF_RELAY); // Assume that when TakePooledSession is called, the candidate filter will be // applied to the pooled session. This is tested by PortAllocatorTest. session_ = allocator_->TakePooledSession(kContentName, 1, kIceUfrag0, kIcePwd0); ASSERT_NE(nullptr, session_.get()); auto candidates = session_->ReadyCandidates(); auto ports = session_->ReadyPorts(); // Sanity check that the number of candidates and ports decreased. EXPECT_GT(initial_candidates_size, candidates.size()); EXPECT_GT(initial_ports_size, ports.size()); for (const PortInterface* port : ports) { // Expect only relay ports. EXPECT_EQ(RELAY_PORT_TYPE, port->Type()); } for (const Candidate& candidate : candidates) { // Expect only relay candidates now that the filter is applied. EXPECT_EQ(std::string(RELAY_PORT_TYPE), candidate.type()); // Expect that the raddr is emptied due to the CF_RELAY filter. EXPECT_EQ(candidate.related_address(), rtc::EmptySocketAddressWithFamily(candidate.address().family())); } } } // namespace cricket