/* * libjingle * Copyright 2009 Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "talk/p2p/base/basicpacketsocketfactory.h" #include "talk/p2p/base/constants.h" #include "talk/p2p/base/p2ptransportchannel.h" #include "talk/p2p/base/portallocatorsessionproxy.h" #include "talk/p2p/base/testrelayserver.h" #include "talk/p2p/base/teststunserver.h" #include "talk/p2p/base/testturnserver.h" #include "talk/p2p/client/basicportallocator.h" #include "talk/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/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 cricket::ServerAddresses; using rtc::SocketAddress; using rtc::Thread; static const SocketAddress kClientAddr("11.11.11.11", 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 kNatAddr("77.77.77.77", rtc::NAT_SERVER_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[] = "TESTICEUFRAG0000"; // 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"; namespace cricket { // Helper for dumping candidates std::ostream& operator<<(std::ostream& os, const cricket::Candidate& c) { os << c.ToString(); return os; } } // namespace cricket class PortAllocatorTest : public testing::Test, public sigslot::has_slots<> { public: static void SetUpTestCase() { rtc::InitializeSSL(); } static void TearDownTestCase() { rtc::CleanupSSL(); } PortAllocatorTest() : pss_(new rtc::PhysicalSocketServer), vss_(new rtc::VirtualSocketServer(pss_.get())), fss_(new rtc::FirewallSocketServer(vss_.get())), ss_scope_(fss_.get()), nat_factory_(vss_.get(), kNatAddr), nat_socket_factory_(&nat_factory_), stun_server_(Thread::Current(), kStunAddr), relay_server_(Thread::Current(), kRelayUdpIntAddr, kRelayUdpExtAddr, kRelayTcpIntAddr, kRelayTcpExtAddr, kRelaySslTcpIntAddr, kRelaySslTcpExtAddr), turn_server_(Thread::Current(), kTurnUdpIntAddr, kTurnUdpExtAddr), candidate_allocation_done_(false) { cricket::ServerAddresses stun_servers; stun_servers.insert(kStunAddr); allocator_.reset(new cricket::BasicPortAllocator( &network_manager_, stun_servers, kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr)); allocator_->set_step_delay(cricket::kMinimumStepDelay); } void AddInterface(const SocketAddress& addr) { network_manager_.AddInterface(addr); } bool SetPortRange(int min_port, int max_port) { return allocator_->SetPortRange(min_port, max_port); } rtc::NATServer* CreateNatServer(const SocketAddress& addr, rtc::NATType type) { return new rtc::NATServer(type, vss_.get(), addr, vss_.get(), addr); } bool CreateSession(int component) { session_.reset(CreateSession("session", component)); if (!session_) return false; return true; } bool CreateSession(int component, const std::string& content_name) { session_.reset(CreateSession("session", content_name, component)); if (!session_) return false; return true; } cricket::PortAllocatorSession* CreateSession( const std::string& sid, int component) { return CreateSession(sid, kContentName, component); } cricket::PortAllocatorSession* CreateSession( const std::string& sid, const std::string& content_name, int component) { return CreateSession(sid, content_name, component, kIceUfrag0, kIcePwd0); } cricket::PortAllocatorSession* CreateSession( const std::string& sid, const std::string& content_name, int component, const std::string& ice_ufrag, const std::string& ice_pwd) { cricket::PortAllocatorSession* session = allocator_->CreateSession( sid, content_name, component, ice_ufrag, ice_pwd); session->SignalPortReady.connect(this, &PortAllocatorTest::OnPortReady); session->SignalCandidatesReady.connect(this, &PortAllocatorTest::OnCandidatesReady); session->SignalCandidatesAllocationDone.connect(this, &PortAllocatorTest::OnCandidatesAllocationDone); return session; } static bool CheckCandidate(const cricket::Candidate& c, int component, const std::string& type, const std::string& proto, const SocketAddress& addr) { return (c.component() == component && c.type() == type && c.protocol() == proto && c.address().ipaddr() == addr.ipaddr() && ((addr.port() == 0 && (c.address().port() != 0)) || (c.address().port() == addr.port()))); } static bool CheckPort(const rtc::SocketAddress& addr, int min_port, int max_port) { return (addr.port() >= min_port && addr.port() <= max_port); } void OnCandidatesAllocationDone(cricket::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; } } // 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); } } } protected: cricket::BasicPortAllocator& allocator() { return *allocator_; } void OnPortReady(cricket::PortAllocatorSession* ses, cricket::PortInterface* port) { LOG(LS_INFO) << "OnPortReady: " << port->ToString(); ports_.push_back(port); } void OnCandidatesReady(cricket::PortAllocatorSession* ses, const std::vector& candidates) { for (size_t i = 0; i < candidates.size(); ++i) { LOG(LS_INFO) << "OnCandidatesReady: " << candidates[i].ToString(); candidates_.push_back(candidates[i]); } } bool HasRelayAddress(const cricket::ProtocolAddress& proto_addr) { for (size_t i = 0; i < allocator_->relays().size(); ++i) { cricket::RelayServerConfig server_config = allocator_->relays()[i]; cricket::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; } rtc::scoped_ptr pss_; rtc::scoped_ptr vss_; rtc::scoped_ptr fss_; rtc::SocketServerScope ss_scope_; rtc::NATSocketFactory nat_factory_; rtc::BasicPacketSocketFactory nat_socket_factory_; cricket::TestStunServer stun_server_; cricket::TestRelayServer relay_server_; cricket::TestTurnServer turn_server_; rtc::FakeNetworkManager network_manager_; rtc::scoped_ptr allocator_; rtc::scoped_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(PortAllocatorTest, TestBasic) { EXPECT_EQ(&network_manager_, allocator().network_manager()); EXPECT_EQ(kStunAddr, *allocator().stun_servers().begin()); ASSERT_EQ(1u, allocator().relays().size()); EXPECT_EQ(cricket::RELAY_GTURN, allocator().relays()[0].type); // Empty relay credentials are used for GTURN. EXPECT_TRUE(allocator().relays()[0].credentials.username.empty()); EXPECT_TRUE(allocator().relays()[0].credentials.password.empty()); EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress( kRelayUdpIntAddr, cricket::PROTO_UDP))); EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress( kRelayTcpIntAddr, cricket::PROTO_TCP))); EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress( kRelaySslTcpIntAddr, cricket::PROTO_SSLTCP))); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); } // Tests that we allocator session not trying to allocate ports for every 250ms. TEST_F(PortAllocatorTest, TestNoNetworkInterface) { EXPECT_TRUE(CreateSession(cricket::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()); } // Tests that we can get all the desired addresses successfully. TEST_F(PortAllocatorTest, TestGetAllPortsWithMinimumStepDelay) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[2], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[3], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); EXPECT_PRED5(CheckCandidate, candidates_[4], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[5], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[6], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_TRUE(candidate_allocation_done_); } // Verify candidates with default step delay of 1sec. TEST_F(PortAllocatorTest, TestGetAllPortsWithOneSecondStepDelay) { AddInterface(kClientAddr); allocator_->set_step_delay(cricket::kDefaultStepDelay); EXPECT_TRUE(CreateSession(cricket::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_PRED5(CheckCandidate, candidates_[2], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[3], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); ASSERT_EQ_WAIT(6U, candidates_.size(), 1500); EXPECT_PRED5(CheckCandidate, candidates_[4], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[5], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); EXPECT_EQ(4U, ports_.size()); ASSERT_EQ_WAIT(7U, candidates_.size(), 2000); EXPECT_PRED5(CheckCandidate, candidates_[6], cricket::ICE_CANDIDATE_COMPONENT_RTP, "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(PortAllocatorTest, TestSetupVideoRtpPortsWithNormalSendBuffers) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP, cricket::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(PortAllocatorTest, TestStopGetAllPorts) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::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(PortAllocatorTest, 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(cricket::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(PortAllocatorTest, TestGetAllPortsNoAdapters) { EXPECT_TRUE(CreateSession(cricket::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 we can get OnCandidatesAllocationDone callback when all the ports // are disabled. TEST_F(PortAllocatorTest, TestDisableAllPorts) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->set_flags(cricket::PORTALLOCATOR_DISABLE_UDP | cricket::PORTALLOCATOR_DISABLE_STUN | cricket::PORTALLOCATOR_DISABLE_RELAY | cricket::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(PortAllocatorTest, 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_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); EXPECT_PRED5(CheckCandidate, candidates_[2], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[3], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[4], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_TRUE(candidate_allocation_done_); } // 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(PortAllocatorTest, 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_PRED5(CheckCandidate, candidates_[0], 1, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], 1, "relay", "udp", kRelayUdpExtAddr); EXPECT_PRED5(CheckCandidate, candidates_[2], 1, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[3], 1, "local", "tcp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[4], 1, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_TRUE(candidate_allocation_done_); } // Test that we don't crash or malfunction if we can't create any sockets. // TODO: Find a way to exit early here. TEST_F(PortAllocatorTest, TestGetAllPortsNoSockets) { AddInterface(kClientAddr); fss_->set_tcp_sockets_enabled(false); fss_->set_udp_sockets_enabled(false); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); WAIT(candidates_.size() > 0, 2000); // TODO - 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(PortAllocatorTest, TestGetAllPortsNoUdpAllowed) { fss_->AddRule(false, rtc::FP_UDP, rtc::FD_ANY, kClientAddr); AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); EXPECT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(2U, ports_.size()); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); // RelayPort connection timeout is 3sec. TCP connection with RelayServer // will be tried after 3 seconds. EXPECT_EQ_WAIT(6U, candidates_.size(), 4000); EXPECT_EQ(3U, ports_.size()); EXPECT_PRED5(CheckCandidate, candidates_[2], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[3], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[4], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "ssltcp", kRelaySslTcpIntAddr); EXPECT_PRED5(CheckCandidate, candidates_[5], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); // Stun Timeout is 9sec. EXPECT_TRUE_WAIT(candidate_allocation_done_, 9000); } TEST_F(PortAllocatorTest, TestCandidatePriorityOfMultipleInterfaces) { AddInterface(kClientAddr); AddInterface(kClientAddr2); // Allocating only host UDP ports. This is done purely for testing // convenience. allocator().set_flags(cricket::PORTALLOCATOR_DISABLE_TCP | cricket::PORTALLOCATOR_DISABLE_STUN | cricket::PORTALLOCATOR_DISABLE_RELAY); EXPECT_TRUE(CreateSession(cricket::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(PortAllocatorTest, TestGetAllPortsRestarts) { AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(1)); session_->StartGettingPorts(); EXPECT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); EXPECT_TRUE(candidate_allocation_done_); // TODO - Extend this to verify ICE restart. } TEST_F(PortAllocatorTest, TestBasicMuxFeatures) { AddInterface(kClientAddr); allocator().set_flags(cricket::PORTALLOCATOR_ENABLE_BUNDLE); // Session ID - session1. rtc::scoped_ptr session1( CreateSession("session1", cricket::ICE_CANDIDATE_COMPONENT_RTP)); rtc::scoped_ptr session2( CreateSession("session1", cricket::ICE_CANDIDATE_COMPONENT_RTCP)); session1->StartGettingPorts(); session2->StartGettingPorts(); // Each session should receive two proxy ports of local and stun. ASSERT_EQ_WAIT(14U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(8U, ports_.size()); rtc::scoped_ptr session3( CreateSession("session1", cricket::ICE_CANDIDATE_COMPONENT_RTP)); session3->StartGettingPorts(); // Already allocated candidates and ports will be sent to the newly // allocated proxy session. ASSERT_EQ_WAIT(21U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(12U, ports_.size()); } // This test verifies by changing ice_ufrag and/or ice_pwd // will result in different set of candidates when BUNDLE is enabled. // If BUNDLE is disabled, CreateSession will always allocate new // set of candidates. TEST_F(PortAllocatorTest, TestBundleIceRestart) { AddInterface(kClientAddr); allocator().set_flags(cricket::PORTALLOCATOR_ENABLE_BUNDLE); // Session ID - session1. rtc::scoped_ptr session1( CreateSession("session1", kContentName, cricket::ICE_CANDIDATE_COMPONENT_RTP, kIceUfrag0, kIcePwd0)); session1->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(4U, ports_.size()); // Allocate a different session with sid |session1| and different ice_ufrag. rtc::scoped_ptr session2( CreateSession("session1", kContentName, cricket::ICE_CANDIDATE_COMPONENT_RTP, "TestIceUfrag", kIcePwd0)); session2->StartGettingPorts(); ASSERT_EQ_WAIT(14U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(8U, ports_.size()); // Verifying the candidate address different from previously allocated // address. // Skipping verification of component id and candidate type. EXPECT_NE(candidates_[0].address(), candidates_[7].address()); EXPECT_NE(candidates_[1].address(), candidates_[8].address()); // Allocating a different session with sid |session1| and // different ice_pwd. rtc::scoped_ptr session3( CreateSession("session1", kContentName, cricket::ICE_CANDIDATE_COMPONENT_RTP, kIceUfrag0, "TestIcePwd")); session3->StartGettingPorts(); ASSERT_EQ_WAIT(21U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(12U, ports_.size()); // Verifying the candidate address different from previously // allocated address. EXPECT_NE(candidates_[7].address(), candidates_[14].address()); EXPECT_NE(candidates_[8].address(), candidates_[15].address()); // Allocating a session with by changing both ice_ufrag and ice_pwd. rtc::scoped_ptr session4( CreateSession("session1", kContentName, cricket::ICE_CANDIDATE_COMPONENT_RTP, "TestIceUfrag", "TestIcePwd")); session4->StartGettingPorts(); ASSERT_EQ_WAIT(28U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(16U, ports_.size()); // Verifying the candidate address different from previously // allocated address. EXPECT_NE(candidates_[14].address(), candidates_[21].address()); EXPECT_NE(candidates_[15].address(), candidates_[22].address()); } // Test that when the PORTALLOCATOR_ENABLE_SHARED_UFRAG is enabled we got same // ufrag and pwd for the collected candidates. TEST_F(PortAllocatorTest, TestEnableSharedUfrag) { allocator().set_flags(allocator().flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG); AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[5], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); EXPECT_EQ(4U, ports_.size()); EXPECT_EQ(kIceUfrag0, candidates_[0].username()); EXPECT_EQ(kIceUfrag0, candidates_[1].username()); EXPECT_EQ(kIceUfrag0, candidates_[2].username()); EXPECT_EQ(kIcePwd0, candidates_[0].password()); EXPECT_EQ(kIcePwd0, candidates_[1].password()); EXPECT_TRUE(candidate_allocation_done_); } // Test that when the PORTALLOCATOR_ENABLE_SHARED_UFRAG isn't enabled we got // different ufrag and pwd for the collected candidates. TEST_F(PortAllocatorTest, TestDisableSharedUfrag) { allocator().set_flags(allocator().flags() & ~cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG); AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr); EXPECT_EQ(4U, ports_.size()); // Port should generate random ufrag and pwd. EXPECT_NE(kIceUfrag0, candidates_[0].username()); EXPECT_NE(kIceUfrag0, candidates_[1].username()); EXPECT_NE(candidates_[0].username(), candidates_[1].username()); EXPECT_NE(kIcePwd0, candidates_[0].password()); EXPECT_NE(kIcePwd0, candidates_[1].password()); EXPECT_NE(candidates_[0].password(), candidates_[1].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(PortAllocatorTest, TestSharedSocketWithoutNat) { AddInterface(kClientAddr); allocator_->set_flags(allocator().flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG | cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(6U, candidates_.size(), kDefaultAllocationTimeout); EXPECT_EQ(3U, ports_.size()); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "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(PortAllocatorTest, TestSharedSocketWithNat) { AddInterface(kClientAddr); rtc::scoped_ptr nat_server( CreateNatServer(kNatAddr, rtc::NAT_OPEN_CONE)); ServerAddresses stun_servers; stun_servers.insert(kStunAddr); allocator_.reset(new cricket::BasicPortAllocator( &network_manager_, &nat_socket_factory_, stun_servers)); allocator_->set_step_delay(cricket::kMinimumStepDelay); allocator_->set_flags(allocator().flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG | cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(2U, ports_.size()); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", rtc::SocketAddress(kNatAddr.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 adderesses. TEST_F(PortAllocatorTest, TestSharedSocketWithoutNatUsingTurn) { turn_server_.AddInternalSocket(kTurnTcpIntAddr, cricket::PROTO_TCP); AddInterface(kClientAddr); allocator_.reset(new cricket::BasicPortAllocator(&network_manager_)); cricket::RelayServerConfig relay_server(cricket::RELAY_TURN); cricket::RelayCredentials credentials(kTurnUsername, kTurnPassword); relay_server.credentials = credentials; relay_server.ports.push_back(cricket::ProtocolAddress( kTurnUdpIntAddr, cricket::PROTO_UDP, false)); relay_server.ports.push_back(cricket::ProtocolAddress( kTurnTcpIntAddr, cricket::PROTO_TCP, false)); allocator_->AddRelay(relay_server); allocator_->set_step_delay(cricket::kMinimumStepDelay); allocator_->set_flags(allocator().flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG | cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | cricket::PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(3U, ports_.size()); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); EXPECT_PRED5(CheckCandidate, candidates_[2], cricket::ICE_CANDIDATE_COMPONENT_RTP, "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(PortAllocatorTest, TestSharedSocketWithServerAddressResolve) { turn_server_.AddInternalSocket(rtc::SocketAddress("127.0.0.1", 3478), cricket::PROTO_UDP); AddInterface(kClientAddr); allocator_.reset(new cricket::BasicPortAllocator(&network_manager_)); cricket::RelayServerConfig relay_server(cricket::RELAY_TURN); cricket::RelayCredentials credentials(kTurnUsername, kTurnPassword); relay_server.credentials = credentials; relay_server.ports.push_back(cricket::ProtocolAddress( rtc::SocketAddress("localhost", 3478), cricket::PROTO_UDP, false)); allocator_->AddRelay(relay_server); allocator_->set_step_delay(cricket::kMinimumStepDelay); allocator_->set_flags(allocator().flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG | cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | cricket::PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(cricket::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(PortAllocatorTest, TestSharedSocketWithNatUsingTurn) { AddInterface(kClientAddr); rtc::scoped_ptr nat_server( CreateNatServer(kNatAddr, rtc::NAT_OPEN_CONE)); ServerAddresses stun_servers; stun_servers.insert(kStunAddr); allocator_.reset(new cricket::BasicPortAllocator( &network_manager_, &nat_socket_factory_, stun_servers)); cricket::RelayServerConfig relay_server(cricket::RELAY_TURN); cricket::RelayCredentials credentials(kTurnUsername, kTurnPassword); relay_server.credentials = credentials; relay_server.ports.push_back(cricket::ProtocolAddress( kTurnUdpIntAddr, cricket::PROTO_UDP, false)); allocator_->AddRelay(relay_server); allocator_->set_step_delay(cricket::kMinimumStepDelay); allocator_->set_flags(allocator().flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG | cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | cricket::PORTALLOCATOR_DISABLE_TCP); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); ASSERT_EQ(2U, ports_.size()); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", rtc::SocketAddress(kNatAddr.ipaddr(), 0)); EXPECT_PRED5(CheckCandidate, candidates_[2], cricket::ICE_CANDIDATE_COMPONENT_RTP, "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()); } // 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(PortAllocatorTest, TestSharedSocketNoUdpAllowed) { allocator().set_flags(allocator().flags() | cricket::PORTALLOCATOR_DISABLE_RELAY | cricket::PORTALLOCATOR_DISABLE_TCP | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG | cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); fss_->AddRule(false, rtc::FP_UDP, rtc::FD_ANY, kClientAddr); AddInterface(kClientAddr); EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); session_->StartGettingPorts(); ASSERT_EQ_WAIT(1U, ports_.size(), kDefaultAllocationTimeout); EXPECT_EQ(1U, candidates_.size()); EXPECT_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); // STUN timeout is 9sec. We need to wait to get candidate done signal. EXPECT_TRUE_WAIT(candidate_allocation_done_, 10000); EXPECT_EQ(1U, candidates_.size()); } // This test verifies allocator can use IPv6 addresses along with IPv4. TEST_F(PortAllocatorTest, TestEnableIPv6Addresses) { allocator().set_flags(allocator().flags() | cricket::PORTALLOCATOR_DISABLE_RELAY | cricket::PORTALLOCATOR_ENABLE_IPV6 | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG | cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); AddInterface(kClientIPv6Addr); AddInterface(kClientAddr); allocator_->set_step_delay(cricket::kMinimumStepDelay); EXPECT_TRUE(CreateSession(cricket::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_PRED5(CheckCandidate, candidates_[0], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientIPv6Addr); EXPECT_PRED5(CheckCandidate, candidates_[1], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); EXPECT_PRED5(CheckCandidate, candidates_[2], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientIPv6Addr); EXPECT_PRED5(CheckCandidate, candidates_[3], cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); EXPECT_EQ(4U, candidates_.size()); } // Test that the httpportallocator correctly maintains its lists of stun and // relay servers, by never allowing an empty list. TEST(HttpPortAllocatorTest, TestHttpPortAllocatorHostLists) { rtc::FakeNetworkManager network_manager; cricket::HttpPortAllocator alloc(&network_manager, "unit test agent"); EXPECT_EQ(1U, alloc.relay_hosts().size()); EXPECT_EQ(1U, alloc.stun_hosts().size()); std::vector relay_servers; std::vector stun_servers; alloc.SetRelayHosts(relay_servers); alloc.SetStunHosts(stun_servers); EXPECT_EQ(1U, alloc.relay_hosts().size()); EXPECT_EQ(1U, alloc.stun_hosts().size()); relay_servers.push_back("1.unittest.corp.google.com"); relay_servers.push_back("2.unittest.corp.google.com"); stun_servers.push_back( rtc::SocketAddress("1.unittest.corp.google.com", 0)); stun_servers.push_back( rtc::SocketAddress("2.unittest.corp.google.com", 0)); alloc.SetRelayHosts(relay_servers); alloc.SetStunHosts(stun_servers); EXPECT_EQ(2U, alloc.relay_hosts().size()); EXPECT_EQ(2U, alloc.stun_hosts().size()); } // Test that the HttpPortAllocator uses correct URL to create sessions. TEST(HttpPortAllocatorTest, TestSessionRequestUrl) { rtc::FakeNetworkManager network_manager; cricket::HttpPortAllocator alloc(&network_manager, "unit test agent"); // Disable PORTALLOCATOR_ENABLE_SHARED_UFRAG. alloc.set_flags(alloc.flags() & ~cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG); rtc::scoped_ptr session( static_cast( alloc.CreateSessionInternal( "test content", 0, kIceUfrag0, kIcePwd0))); std::string url = session->GetSessionRequestUrl(); LOG(LS_INFO) << "url: " << url; EXPECT_EQ(std::string(cricket::HttpPortAllocator::kCreateSessionURL), url); // Enable PORTALLOCATOR_ENABLE_SHARED_UFRAG. alloc.set_flags(alloc.flags() | cricket::PORTALLOCATOR_ENABLE_SHARED_UFRAG); session.reset(static_cast( alloc.CreateSessionInternal("test content", 0, kIceUfrag0, kIcePwd0))); url = session->GetSessionRequestUrl(); LOG(LS_INFO) << "url: " << url; std::vector parts; rtc::split(url, '?', &parts); ASSERT_EQ(2U, parts.size()); std::vector args_parts; rtc::split(parts[1], '&', &args_parts); std::map args; for (std::vector::iterator it = args_parts.begin(); it != args_parts.end(); ++it) { std::vector parts; rtc::split(*it, '=', &parts); ASSERT_EQ(2U, parts.size()); args[rtc::s_url_decode(parts[0])] = rtc::s_url_decode(parts[1]); } EXPECT_EQ(kIceUfrag0, args["username"]); EXPECT_EQ(kIcePwd0, args["password"]); }