portallocator_unittest.cc revision 8c404fab8d9ce5ef87046fb57ec8ac2c90fad9ac
166b8ab22586debccb1f787d4d52b7f042d4ddeb8John Bauman/* 266b8ab22586debccb1f787d4d52b7f042d4ddeb8John Bauman * Copyright 2009 The WebRTC Project Authors. All rights reserved. 366b8ab22586debccb1f787d4d52b7f042d4ddeb8John Bauman * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#include "webrtc/p2p/base/basicpacketsocketfactory.h" 12#include "webrtc/p2p/base/constants.h" 13#include "webrtc/p2p/base/p2ptransportchannel.h" 14#include "webrtc/p2p/base/testrelayserver.h" 15#include "webrtc/p2p/base/teststunserver.h" 16#include "webrtc/p2p/base/testturnserver.h" 17#include "webrtc/p2p/client/basicportallocator.h" 18#include "webrtc/p2p/client/httpportallocator.h" 19#include "webrtc/base/fakenetwork.h" 20#include "webrtc/base/firewallsocketserver.h" 21#include "webrtc/base/gunit.h" 22#include "webrtc/base/helpers.h" 23#include "webrtc/base/ipaddress.h" 24#include "webrtc/base/logging.h" 25#include "webrtc/base/natserver.h" 26#include "webrtc/base/natsocketfactory.h" 27#include "webrtc/base/network.h" 28#include "webrtc/base/physicalsocketserver.h" 29#include "webrtc/base/socketaddress.h" 30#include "webrtc/base/ssladapter.h" 31#include "webrtc/base/thread.h" 32#include "webrtc/base/virtualsocketserver.h" 33 34using cricket::ServerAddresses; 35using rtc::SocketAddress; 36using rtc::Thread; 37 38static const SocketAddress kClientAddr("11.11.11.11", 0); 39static const SocketAddress kLoopbackAddr("127.0.0.1", 0); 40static const SocketAddress kPrivateAddr("192.168.1.11", 0); 41static const SocketAddress kPrivateAddr2("192.168.1.12", 0); 42static const SocketAddress kClientIPv6Addr( 43 "2401:fa00:4:1000:be30:5bff:fee5:c3", 0); 44static const SocketAddress kClientAddr2("22.22.22.22", 0); 45static const SocketAddress kNatUdpAddr("77.77.77.77", rtc::NAT_SERVER_UDP_PORT); 46static const SocketAddress kNatTcpAddr("77.77.77.77", rtc::NAT_SERVER_TCP_PORT); 47static const SocketAddress kRemoteClientAddr("22.22.22.22", 0); 48static const SocketAddress kStunAddr("99.99.99.1", cricket::STUN_SERVER_PORT); 49static const SocketAddress kRelayUdpIntAddr("99.99.99.2", 5000); 50static const SocketAddress kRelayUdpExtAddr("99.99.99.3", 5001); 51static const SocketAddress kRelayTcpIntAddr("99.99.99.2", 5002); 52static const SocketAddress kRelayTcpExtAddr("99.99.99.3", 5003); 53static const SocketAddress kRelaySslTcpIntAddr("99.99.99.2", 5004); 54static const SocketAddress kRelaySslTcpExtAddr("99.99.99.3", 5005); 55static const SocketAddress kTurnUdpIntAddr("99.99.99.4", 3478); 56static const SocketAddress kTurnTcpIntAddr("99.99.99.5", 3478); 57static const SocketAddress kTurnUdpExtAddr("99.99.99.6", 0); 58 59// Minimum and maximum port for port range tests. 60static const int kMinPort = 10000; 61static const int kMaxPort = 10099; 62 63// Based on ICE_UFRAG_LENGTH 64static const char kIceUfrag0[] = "TESTICEUFRAG0000"; 65// Based on ICE_PWD_LENGTH 66static const char kIcePwd0[] = "TESTICEPWD00000000000000"; 67 68static const char kContentName[] = "test content"; 69 70static const int kDefaultAllocationTimeout = 1000; 71static const char kTurnUsername[] = "test"; 72static const char kTurnPassword[] = "test"; 73 74namespace cricket { 75 76// Helper for dumping candidates 77std::ostream& operator<<(std::ostream& os, const cricket::Candidate& c) { 78 os << c.ToString(); 79 return os; 80} 81 82} // namespace cricket 83 84class PortAllocatorTest : public testing::Test, public sigslot::has_slots<> { 85 public: 86 PortAllocatorTest() 87 : pss_(new rtc::PhysicalSocketServer), 88 vss_(new rtc::VirtualSocketServer(pss_.get())), 89 fss_(new rtc::FirewallSocketServer(vss_.get())), 90 ss_scope_(fss_.get()), 91 nat_factory_(vss_.get(), kNatUdpAddr, kNatTcpAddr), 92 nat_socket_factory_(new rtc::BasicPacketSocketFactory(&nat_factory_)), 93 stun_server_(cricket::TestStunServer::Create(Thread::Current(), 94 kStunAddr)), 95 relay_server_(Thread::Current(), kRelayUdpIntAddr, kRelayUdpExtAddr, 96 kRelayTcpIntAddr, kRelayTcpExtAddr, 97 kRelaySslTcpIntAddr, kRelaySslTcpExtAddr), 98 turn_server_(Thread::Current(), kTurnUdpIntAddr, kTurnUdpExtAddr), 99 candidate_allocation_done_(false) { 100 cricket::ServerAddresses stun_servers; 101 stun_servers.insert(kStunAddr); 102 // Passing the addresses of GTURN servers will enable GTURN in 103 // Basicportallocator. 104 allocator_.reset(new cricket::BasicPortAllocator( 105 &network_manager_, 106 stun_servers, 107 kRelayUdpIntAddr, kRelayTcpIntAddr, kRelaySslTcpIntAddr)); 108 allocator_->set_step_delay(cricket::kMinimumStepDelay); 109 } 110 111 void AddInterface(const SocketAddress& addr) { 112 network_manager_.AddInterface(addr); 113 } 114 void AddInterface(const SocketAddress& addr, const std::string& if_name) { 115 network_manager_.AddInterface(addr, if_name); 116 } 117 void AddInterfaceAsDefaultRoute(const SocketAddress& addr) { 118 AddInterface(addr); 119 // When a binding comes from the any address, the |addr| will be used as the 120 // srflx address. 121 vss_->SetDefaultRoute(addr.ipaddr()); 122 } 123 void RemoveInterface(const SocketAddress& addr) { 124 network_manager_.RemoveInterface(addr); 125 } 126 bool SetPortRange(int min_port, int max_port) { 127 return allocator_->SetPortRange(min_port, max_port); 128 } 129 // Endpoint is on the public network. No STUN or TURN. 130 void ResetWithNoServersOrNat() { 131 allocator_.reset(new cricket::BasicPortAllocator(&network_manager_)); 132 allocator_->set_step_delay(cricket::kMinimumStepDelay); 133 } 134 // Endpoint is behind a NAT, with STUN specified. 135 void ResetWithStunServerAndNat(const rtc::SocketAddress& stun_server) { 136 ResetWithStunServer(stun_server, true); 137 } 138 // Endpoint is on the public network, with STUN specified. 139 void ResetWithStunServerNoNat(const rtc::SocketAddress& stun_server) { 140 ResetWithStunServer(stun_server, false); 141 } 142 // Endpoint is on the public network, with TURN specified. 143 void ResetWithTurnServersNoNat(const rtc::SocketAddress& udp_turn, 144 const rtc::SocketAddress& tcp_turn) { 145 ResetWithNoServersOrNat(); 146 AddTurnServers(udp_turn, tcp_turn); 147 } 148 149 void AddTurnServers(const rtc::SocketAddress& udp_turn, 150 const rtc::SocketAddress& tcp_turn) { 151 cricket::RelayServerConfig relay_server(cricket::RELAY_TURN); 152 cricket::RelayCredentials credentials(kTurnUsername, kTurnPassword); 153 relay_server.credentials = credentials; 154 155 if (!udp_turn.IsNil()) { 156 relay_server.ports.push_back(cricket::ProtocolAddress( 157 kTurnUdpIntAddr, cricket::PROTO_UDP, false)); 158 } 159 if (!tcp_turn.IsNil()) { 160 relay_server.ports.push_back(cricket::ProtocolAddress( 161 kTurnTcpIntAddr, cricket::PROTO_TCP, false)); 162 } 163 allocator_->AddRelay(relay_server); 164 } 165 166 bool CreateSession(int component) { 167 session_.reset(CreateSession("session", component)); 168 if (!session_) 169 return false; 170 return true; 171 } 172 173 bool CreateSession(int component, const std::string& content_name) { 174 session_.reset(CreateSession("session", content_name, component)); 175 if (!session_) 176 return false; 177 return true; 178 } 179 180 cricket::PortAllocatorSession* CreateSession( 181 const std::string& sid, int component) { 182 return CreateSession(sid, kContentName, component); 183 } 184 185 cricket::PortAllocatorSession* CreateSession( 186 const std::string& sid, const std::string& content_name, int component) { 187 return CreateSession(sid, content_name, component, kIceUfrag0, kIcePwd0); 188 } 189 190 cricket::PortAllocatorSession* CreateSession( 191 const std::string& sid, const std::string& content_name, int component, 192 const std::string& ice_ufrag, const std::string& ice_pwd) { 193 cricket::PortAllocatorSession* session = 194 allocator_->CreateSession( 195 sid, content_name, component, ice_ufrag, ice_pwd); 196 session->SignalPortReady.connect(this, 197 &PortAllocatorTest::OnPortReady); 198 session->SignalCandidatesReady.connect(this, 199 &PortAllocatorTest::OnCandidatesReady); 200 session->SignalCandidatesAllocationDone.connect(this, 201 &PortAllocatorTest::OnCandidatesAllocationDone); 202 return session; 203 } 204 205 static bool CheckCandidate(const cricket::Candidate& c, 206 int component, const std::string& type, 207 const std::string& proto, 208 const SocketAddress& addr) { 209 return (c.component() == component && c.type() == type && 210 c.protocol() == proto && c.address().ipaddr() == addr.ipaddr() && 211 ((addr.port() == 0 && (c.address().port() != 0)) || 212 (c.address().port() == addr.port()))); 213 } 214 static bool CheckPort(const rtc::SocketAddress& addr, 215 int min_port, int max_port) { 216 return (addr.port() >= min_port && addr.port() <= max_port); 217 } 218 219 void OnCandidatesAllocationDone(cricket::PortAllocatorSession* session) { 220 // We should only get this callback once, except in the mux test where 221 // we have multiple port allocation sessions. 222 if (session == session_.get()) { 223 ASSERT_FALSE(candidate_allocation_done_); 224 candidate_allocation_done_ = true; 225 } 226 } 227 228 // Check if all ports allocated have send-buffer size |expected|. If 229 // |expected| == -1, check if GetOptions returns SOCKET_ERROR. 230 void CheckSendBufferSizesOfAllPorts(int expected) { 231 std::vector<cricket::PortInterface*>::iterator it; 232 for (it = ports_.begin(); it < ports_.end(); ++it) { 233 int send_buffer_size; 234 if (expected == -1) { 235 EXPECT_EQ(SOCKET_ERROR, 236 (*it)->GetOption(rtc::Socket::OPT_SNDBUF, 237 &send_buffer_size)); 238 } else { 239 EXPECT_EQ(0, (*it)->GetOption(rtc::Socket::OPT_SNDBUF, 240 &send_buffer_size)); 241 ASSERT_EQ(expected, send_buffer_size); 242 } 243 } 244 } 245 246 // This function starts the port/address gathering and check the existence of 247 // candidates as specified. When |expect_stun_candidate| is true, 248 // |stun_candidate_addr| carries the expected reflective address, which is 249 // also the related address for TURN candidate if it is expected. Otherwise, 250 // it should be ignore. 251 void CheckDisableAdapterEnumeration( 252 uint32 total_ports, 253 const rtc::IPAddress& host_candidate_addr, 254 const rtc::IPAddress& stun_candidate_addr, 255 const rtc::IPAddress& relay_candidate_udp_transport_addr, 256 const rtc::IPAddress& relay_candidate_tcp_transport_addr) { 257 if (!session_) { 258 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 259 } 260 session_->set_flags(session_->flags() | 261 cricket::PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION | 262 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 263 allocator().set_allow_tcp_listen(false); 264 session_->StartGettingPorts(); 265 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 266 267 uint32 total_candidates = 0; 268 if (!host_candidate_addr.IsNil()) { 269 EXPECT_PRED5(CheckCandidate, candidates_[total_candidates], 270 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", 271 rtc::SocketAddress(host_candidate_addr, 0)); 272 ++total_candidates; 273 } 274 if (!stun_candidate_addr.IsNil()) { 275 EXPECT_PRED5(CheckCandidate, candidates_[total_candidates], 276 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", 277 rtc::SocketAddress(stun_candidate_addr, 0)); 278 EXPECT_EQ(rtc::EmptySocketAddressWithFamily( 279 candidates_[total_candidates].address().family()), 280 candidates_[total_candidates].related_address()); 281 ++total_candidates; 282 } 283 if (!relay_candidate_udp_transport_addr.IsNil()) { 284 EXPECT_PRED5(CheckCandidate, candidates_[total_candidates], 285 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 286 rtc::SocketAddress(relay_candidate_udp_transport_addr, 0)); 287 EXPECT_EQ(stun_candidate_addr, 288 candidates_[total_candidates].related_address().ipaddr()); 289 ++total_candidates; 290 } 291 if (!relay_candidate_tcp_transport_addr.IsNil()) { 292 EXPECT_PRED5(CheckCandidate, candidates_[total_candidates], 293 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 294 rtc::SocketAddress(relay_candidate_tcp_transport_addr, 0)); 295 EXPECT_EQ(stun_candidate_addr, 296 candidates_[total_candidates].related_address().ipaddr()); 297 ++total_candidates; 298 } 299 300 EXPECT_EQ(total_candidates, candidates_.size()); 301 EXPECT_EQ(total_ports, ports_.size()); 302 } 303 304 protected: 305 cricket::BasicPortAllocator& allocator() { 306 return *allocator_; 307 } 308 309 void OnPortReady(cricket::PortAllocatorSession* ses, 310 cricket::PortInterface* port) { 311 LOG(LS_INFO) << "OnPortReady: " << port->ToString(); 312 ports_.push_back(port); 313 } 314 void OnCandidatesReady(cricket::PortAllocatorSession* ses, 315 const std::vector<cricket::Candidate>& candidates) { 316 for (size_t i = 0; i < candidates.size(); ++i) { 317 LOG(LS_INFO) << "OnCandidatesReady: " << candidates[i].ToString(); 318 candidates_.push_back(candidates[i]); 319 } 320 } 321 322 bool HasRelayAddress(const cricket::ProtocolAddress& proto_addr) { 323 for (size_t i = 0; i < allocator_->relays().size(); ++i) { 324 cricket::RelayServerConfig server_config = allocator_->relays()[i]; 325 cricket::PortList::const_iterator relay_port; 326 for (relay_port = server_config.ports.begin(); 327 relay_port != server_config.ports.end(); ++relay_port) { 328 if (proto_addr.address == relay_port->address && 329 proto_addr.proto == relay_port->proto) 330 return true; 331 } 332 } 333 return false; 334 } 335 336 void ResetWithStunServer(const rtc::SocketAddress& stun_server, 337 bool with_nat) { 338 if (with_nat) { 339 nat_server_.reset(new rtc::NATServer( 340 rtc::NAT_OPEN_CONE, vss_.get(), kNatUdpAddr, kNatTcpAddr, vss_.get(), 341 rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0))); 342 } else { 343 nat_socket_factory_.reset(new rtc::BasicPacketSocketFactory()); 344 } 345 346 ServerAddresses stun_servers; 347 if (!stun_server.IsNil()) { 348 stun_servers.insert(stun_server); 349 } 350 allocator_.reset(new cricket::BasicPortAllocator( 351 &network_manager_, nat_socket_factory_.get(), stun_servers)); 352 allocator().set_step_delay(cricket::kMinimumStepDelay); 353 } 354 355 rtc::scoped_ptr<rtc::PhysicalSocketServer> pss_; 356 rtc::scoped_ptr<rtc::VirtualSocketServer> vss_; 357 rtc::scoped_ptr<rtc::FirewallSocketServer> fss_; 358 rtc::SocketServerScope ss_scope_; 359 rtc::scoped_ptr<rtc::NATServer> nat_server_; 360 rtc::NATSocketFactory nat_factory_; 361 rtc::scoped_ptr<rtc::BasicPacketSocketFactory> nat_socket_factory_; 362 rtc::scoped_ptr<cricket::TestStunServer> stun_server_; 363 cricket::TestRelayServer relay_server_; 364 cricket::TestTurnServer turn_server_; 365 rtc::FakeNetworkManager network_manager_; 366 rtc::scoped_ptr<cricket::BasicPortAllocator> allocator_; 367 rtc::scoped_ptr<cricket::PortAllocatorSession> session_; 368 std::vector<cricket::PortInterface*> ports_; 369 std::vector<cricket::Candidate> candidates_; 370 bool candidate_allocation_done_; 371}; 372 373// Tests that we can init the port allocator and create a session. 374TEST_F(PortAllocatorTest, TestBasic) { 375 EXPECT_EQ(&network_manager_, allocator().network_manager()); 376 EXPECT_EQ(kStunAddr, *allocator().stun_servers().begin()); 377 ASSERT_EQ(1u, allocator().relays().size()); 378 EXPECT_EQ(cricket::RELAY_GTURN, allocator().relays()[0].type); 379 // Empty relay credentials are used for GTURN. 380 EXPECT_TRUE(allocator().relays()[0].credentials.username.empty()); 381 EXPECT_TRUE(allocator().relays()[0].credentials.password.empty()); 382 EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress( 383 kRelayUdpIntAddr, cricket::PROTO_UDP))); 384 EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress( 385 kRelayTcpIntAddr, cricket::PROTO_TCP))); 386 EXPECT_TRUE(HasRelayAddress(cricket::ProtocolAddress( 387 kRelaySslTcpIntAddr, cricket::PROTO_SSLTCP))); 388 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 389} 390 391// Tests that we allocator session not trying to allocate ports for every 250ms. 392TEST_F(PortAllocatorTest, TestNoNetworkInterface) { 393 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 394 session_->StartGettingPorts(); 395 // Waiting for one second to make sure BasicPortAllocatorSession has not 396 // called OnAllocate multiple times. In old behavior it's called every 250ms. 397 // When there are no network interfaces, each execution of OnAllocate will 398 // result in SignalCandidatesAllocationDone signal. 399 rtc::Thread::Current()->ProcessMessages(1000); 400 EXPECT_TRUE(candidate_allocation_done_); 401 EXPECT_EQ(0U, candidates_.size()); 402} 403 404// Test that we could use loopback interface as host candidate. 405TEST_F(PortAllocatorTest, TestLoopbackNetworkInterface) { 406 AddInterface(kLoopbackAddr); 407 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 408 session_->set_flags(cricket::PORTALLOCATOR_DISABLE_STUN | 409 cricket::PORTALLOCATOR_DISABLE_RELAY | 410 cricket::PORTALLOCATOR_DISABLE_TCP); 411 session_->StartGettingPorts(); 412 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 413 EXPECT_EQ(1U, candidates_.size()); 414} 415 416// Tests that we can get all the desired addresses successfully. 417TEST_F(PortAllocatorTest, TestGetAllPortsWithMinimumStepDelay) { 418 AddInterface(kClientAddr); 419 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 420 session_->StartGettingPorts(); 421 ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 422 EXPECT_EQ(4U, ports_.size()); 423 EXPECT_PRED5(CheckCandidate, candidates_[0], 424 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 425 EXPECT_PRED5(CheckCandidate, candidates_[1], 426 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr); 427 EXPECT_PRED5(CheckCandidate, candidates_[2], 428 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); 429 EXPECT_PRED5(CheckCandidate, candidates_[3], 430 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); 431 EXPECT_PRED5(CheckCandidate, candidates_[4], 432 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); 433 EXPECT_PRED5(CheckCandidate, candidates_[5], 434 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); 435 EXPECT_PRED5(CheckCandidate, candidates_[6], 436 cricket::ICE_CANDIDATE_COMPONENT_RTP, 437 "relay", "ssltcp", kRelaySslTcpIntAddr); 438 EXPECT_TRUE(candidate_allocation_done_); 439} 440 441// Test that when the same network interface is brought down and up, the 442// port allocator session will restart a new allocation sequence if 443// it is not stopped. 444TEST_F(PortAllocatorTest, TestSameNetworkDownAndUpWhenSessionNotStopped) { 445 std::string if_name("test_net0"); 446 AddInterface(kClientAddr, if_name); 447 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 448 session_->StartGettingPorts(); 449 ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 450 EXPECT_EQ(4U, ports_.size()); 451 EXPECT_TRUE(candidate_allocation_done_); 452 candidate_allocation_done_ = false; 453 candidates_.clear(); 454 ports_.clear(); 455 456 RemoveInterface(kClientAddr); 457 ASSERT_EQ_WAIT(0U, candidates_.size(), kDefaultAllocationTimeout); 458 EXPECT_EQ(0U, ports_.size()); 459 EXPECT_FALSE(candidate_allocation_done_); 460 461 // When the same interfaces are added again, new candidates/ports should be 462 // generated. 463 AddInterface(kClientAddr, if_name); 464 ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 465 EXPECT_EQ(4U, ports_.size()); 466 EXPECT_TRUE(candidate_allocation_done_); 467} 468 469// Test that when the same network interface is brought down and up, the 470// port allocator session will not restart a new allocation sequence if 471// it is stopped. 472TEST_F(PortAllocatorTest, TestSameNetworkDownAndUpWhenSessionStopped) { 473 std::string if_name("test_net0"); 474 AddInterface(kClientAddr, if_name); 475 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 476 session_->StartGettingPorts(); 477 ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 478 EXPECT_EQ(4U, ports_.size()); 479 EXPECT_TRUE(candidate_allocation_done_); 480 session_->StopGettingPorts(); 481 candidates_.clear(); 482 ports_.clear(); 483 484 RemoveInterface(kClientAddr); 485 ASSERT_EQ_WAIT(0U, candidates_.size(), kDefaultAllocationTimeout); 486 EXPECT_EQ(0U, ports_.size()); 487 488 // When the same interfaces are added again, new candidates/ports should not 489 // be generated because the session has stopped. 490 AddInterface(kClientAddr, if_name); 491 ASSERT_EQ_WAIT(0U, candidates_.size(), kDefaultAllocationTimeout); 492 EXPECT_EQ(0U, ports_.size()); 493 EXPECT_TRUE(candidate_allocation_done_); 494} 495 496// Verify candidates with default step delay of 1sec. 497TEST_F(PortAllocatorTest, TestGetAllPortsWithOneSecondStepDelay) { 498 AddInterface(kClientAddr); 499 allocator_->set_step_delay(cricket::kDefaultStepDelay); 500 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 501 session_->StartGettingPorts(); 502 ASSERT_EQ_WAIT(2U, candidates_.size(), 1000); 503 EXPECT_EQ(2U, ports_.size()); 504 ASSERT_EQ_WAIT(4U, candidates_.size(), 2000); 505 EXPECT_EQ(3U, ports_.size()); 506 EXPECT_PRED5(CheckCandidate, candidates_[2], 507 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); 508 EXPECT_PRED5(CheckCandidate, candidates_[3], 509 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); 510 ASSERT_EQ_WAIT(6U, candidates_.size(), 1500); 511 EXPECT_PRED5(CheckCandidate, candidates_[4], 512 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); 513 EXPECT_PRED5(CheckCandidate, candidates_[5], 514 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); 515 EXPECT_EQ(4U, ports_.size()); 516 ASSERT_EQ_WAIT(7U, candidates_.size(), 2000); 517 EXPECT_PRED5(CheckCandidate, candidates_[6], 518 cricket::ICE_CANDIDATE_COMPONENT_RTP, 519 "relay", "ssltcp", kRelaySslTcpIntAddr); 520 EXPECT_EQ(4U, ports_.size()); 521 EXPECT_TRUE(candidate_allocation_done_); 522 // If we Stop gathering now, we shouldn't get a second "done" callback. 523 session_->StopGettingPorts(); 524} 525 526TEST_F(PortAllocatorTest, TestSetupVideoRtpPortsWithNormalSendBuffers) { 527 AddInterface(kClientAddr); 528 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP, 529 cricket::CN_VIDEO)); 530 session_->StartGettingPorts(); 531 ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 532 EXPECT_TRUE(candidate_allocation_done_); 533 // If we Stop gathering now, we shouldn't get a second "done" callback. 534 session_->StopGettingPorts(); 535 536 // All ports should have unset send-buffer sizes. 537 CheckSendBufferSizesOfAllPorts(-1); 538} 539 540// Tests that we can get callback after StopGetAllPorts. 541TEST_F(PortAllocatorTest, TestStopGetAllPorts) { 542 AddInterface(kClientAddr); 543 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 544 session_->StartGettingPorts(); 545 ASSERT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout); 546 EXPECT_EQ(2U, ports_.size()); 547 session_->StopGettingPorts(); 548 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 549} 550 551// Test that we restrict client ports appropriately when a port range is set. 552// We check the candidates for udp/stun/tcp ports, and the from address 553// for relay ports. 554TEST_F(PortAllocatorTest, TestGetAllPortsPortRange) { 555 AddInterface(kClientAddr); 556 // Check that an invalid port range fails. 557 EXPECT_FALSE(SetPortRange(kMaxPort, kMinPort)); 558 // Check that a null port range succeeds. 559 EXPECT_TRUE(SetPortRange(0, 0)); 560 // Check that a valid port range succeeds. 561 EXPECT_TRUE(SetPortRange(kMinPort, kMaxPort)); 562 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 563 session_->StartGettingPorts(); 564 ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 565 EXPECT_EQ(4U, ports_.size()); 566 // Check the port number for the UDP port object. 567 EXPECT_PRED3(CheckPort, candidates_[0].address(), kMinPort, kMaxPort); 568 // Check the port number for the STUN port object. 569 EXPECT_PRED3(CheckPort, candidates_[1].address(), kMinPort, kMaxPort); 570 // Check the port number used to connect to the relay server. 571 EXPECT_PRED3(CheckPort, relay_server_.GetConnection(0).source(), 572 kMinPort, kMaxPort); 573 // Check the port number for the TCP port object. 574 EXPECT_PRED3(CheckPort, candidates_[5].address(), kMinPort, kMaxPort); 575 EXPECT_TRUE(candidate_allocation_done_); 576} 577 578// Test that we don't crash or malfunction if we have no network adapters. 579TEST_F(PortAllocatorTest, TestGetAllPortsNoAdapters) { 580 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 581 session_->StartGettingPorts(); 582 rtc::Thread::Current()->ProcessMessages(100); 583 // Without network adapter, we should not get any candidate. 584 EXPECT_EQ(0U, candidates_.size()); 585 EXPECT_TRUE(candidate_allocation_done_); 586} 587 588// Test that we should only get STUN and TURN candidates when adapter 589// enumeration is disabled. 590TEST_F(PortAllocatorTest, TestDisableAdapterEnumerationBehindNat) { 591 AddInterface(kClientAddr); 592 // GTURN is not configured here. 593 ResetWithStunServerAndNat(kStunAddr); 594 AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); 595 // Expect to see 3 ports: STUN, TURN/UDP and TCP ports, and both STUN and 596 // TURN/UDP candidates. 597 CheckDisableAdapterEnumeration(3U, rtc::IPAddress(), kNatUdpAddr.ipaddr(), 598 kTurnUdpExtAddr.ipaddr(), rtc::IPAddress()); 599} 600 601// Test that even with multiple interfaces, the result should still be one STUN 602// and one TURN candidate since we bind to any address (i.e. all 0s). 603TEST_F(PortAllocatorTest, 604 TestDisableAdapterEnumerationBehindNatMultipleInterfaces) { 605 AddInterface(kPrivateAddr); 606 AddInterface(kPrivateAddr2); 607 ResetWithStunServerAndNat(kStunAddr); 608 AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); 609 // Expect to see 3 ports: STUN, TURN/UDP and TCP ports, and both STUN and 610 // TURN/UDP candidates. 611 CheckDisableAdapterEnumeration(3U, rtc::IPAddress(), kNatUdpAddr.ipaddr(), 612 kTurnUdpExtAddr.ipaddr(), rtc::IPAddress()); 613} 614 615// Test that we should get STUN, TURN/UDP and TURN/TCP candidates when a 616// TURN/TCP server is specified. 617TEST_F(PortAllocatorTest, TestDisableAdapterEnumerationBehindNatWithTcp) { 618 turn_server_.AddInternalSocket(kTurnTcpIntAddr, cricket::PROTO_TCP); 619 AddInterface(kClientAddr); 620 // GTURN is not configured here. 621 ResetWithStunServerAndNat(kStunAddr); 622 AddTurnServers(kTurnUdpIntAddr, kTurnTcpIntAddr); 623 // Expect to see 4 ports - STUN, TURN/UDP, TURN/TCP and TCP port. STUN, 624 // TURN/UDP, and TURN/TCP candidates. 625 CheckDisableAdapterEnumeration(4U, rtc::IPAddress(), kNatUdpAddr.ipaddr(), 626 kTurnUdpExtAddr.ipaddr(), 627 kTurnUdpExtAddr.ipaddr()); 628} 629 630// Test that we should only get STUN and TURN candidates when adapter 631// enumeration is disabled. Since the endpoint is not behind NAT, the srflx 632// address should be the public client interface. 633TEST_F(PortAllocatorTest, TestDisableAdapterEnumerationWithoutNat) { 634 AddInterfaceAsDefaultRoute(kClientAddr); 635 ResetWithStunServerNoNat(kStunAddr); 636 AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); 637 // Expect to see 3 ports: STUN, TURN/UDP and TCP ports, but only both STUN and 638 // TURN candidates. The STUN candidate should have kClientAddr as srflx 639 // address, and TURN candidate with kClientAddr as the related address. 640 CheckDisableAdapterEnumeration(3U, rtc::IPAddress(), kClientAddr.ipaddr(), 641 kTurnUdpExtAddr.ipaddr(), rtc::IPAddress()); 642} 643 644// Test that when adapter enumeration is disabled, for endpoints without 645// STUN/TURN specified, no candidate is generated. 646TEST_F(PortAllocatorTest, TestDisableAdapterEnumerationWithoutNatOrServers) { 647 AddInterfaceAsDefaultRoute(kClientAddr); 648 ResetWithNoServersOrNat(); 649 // Expect to see 2 ports: STUN and TCP ports, but no candidate. 650 CheckDisableAdapterEnumeration(2U, rtc::IPAddress(), rtc::IPAddress(), 651 rtc::IPAddress(), rtc::IPAddress()); 652} 653 654// Test that when adapter enumeration is disabled, with 655// PORTALLOCATOR_ENABLE_LOCALHOST_CANDIDATE specified, for endpoints not behind 656// a NAT, there are a localhost candidate in addition to a STUN candidate. 657TEST_F(PortAllocatorTest, 658 TestDisableAdapterEnumerationWithoutNatLocalhostCandidateRequested) { 659 AddInterfaceAsDefaultRoute(kClientAddr); 660 ResetWithStunServerNoNat(kStunAddr); 661 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 662 session_->set_flags(cricket::PORTALLOCATOR_ENABLE_LOCALHOST_CANDIDATE); 663 // Expect to see 2 ports: STUN and TCP ports, localhost candidate and STUN 664 // candidate. 665 CheckDisableAdapterEnumeration(2U, rtc::GetLoopbackIP(AF_INET), 666 kClientAddr.ipaddr(), rtc::IPAddress(), 667 rtc::IPAddress()); 668} 669 670// Test that we disable relay over UDP, and only TCP is used when connecting to 671// the relay server. 672TEST_F(PortAllocatorTest, TestDisableUdpTurn) { 673 turn_server_.AddInternalSocket(kTurnTcpIntAddr, cricket::PROTO_TCP); 674 AddInterface(kClientAddr); 675 ResetWithStunServerAndNat(kStunAddr); 676 AddTurnServers(kTurnUdpIntAddr, kTurnTcpIntAddr); 677 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 678 session_->set_flags(cricket::PORTALLOCATOR_DISABLE_UDP_RELAY | 679 cricket::PORTALLOCATOR_DISABLE_UDP | 680 cricket::PORTALLOCATOR_DISABLE_STUN | 681 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 682 683 session_->StartGettingPorts(); 684 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 685 686 // Expect to see 2 ports and 2 candidates - TURN/TCP and TCP ports, TCP and 687 // TURN/TCP candidates. 688 EXPECT_EQ(2U, ports_.size()); 689 EXPECT_EQ(2U, candidates_.size()); 690 EXPECT_PRED5(CheckCandidate, candidates_[0], 691 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 692 kTurnUdpExtAddr); 693 // The TURN candidate should use TCP to contact the TURN server. 694 EXPECT_EQ(cricket::TCP_PROTOCOL_NAME, candidates_[0].relay_protocol()); 695 EXPECT_PRED5(CheckCandidate, candidates_[1], 696 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", 697 kClientAddr); 698} 699 700// Disable for asan, see 701// https://code.google.com/p/webrtc/issues/detail?id=4743 for details. 702#if !defined(ADDRESS_SANITIZER) 703 704// Test that we can get OnCandidatesAllocationDone callback when all the ports 705// are disabled. 706TEST_F(PortAllocatorTest, TestDisableAllPorts) { 707 AddInterface(kClientAddr); 708 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 709 session_->set_flags(cricket::PORTALLOCATOR_DISABLE_UDP | 710 cricket::PORTALLOCATOR_DISABLE_STUN | 711 cricket::PORTALLOCATOR_DISABLE_RELAY | 712 cricket::PORTALLOCATOR_DISABLE_TCP); 713 session_->StartGettingPorts(); 714 rtc::Thread::Current()->ProcessMessages(100); 715 EXPECT_EQ(0U, candidates_.size()); 716 EXPECT_TRUE(candidate_allocation_done_); 717} 718 719// Test that we don't crash or malfunction if we can't create UDP sockets. 720TEST_F(PortAllocatorTest, TestGetAllPortsNoUdpSockets) { 721 AddInterface(kClientAddr); 722 fss_->set_udp_sockets_enabled(false); 723 EXPECT_TRUE(CreateSession(1)); 724 session_->StartGettingPorts(); 725 ASSERT_EQ_WAIT(5U, candidates_.size(), kDefaultAllocationTimeout); 726 EXPECT_EQ(2U, ports_.size()); 727 EXPECT_PRED5(CheckCandidate, candidates_[0], 728 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); 729 EXPECT_PRED5(CheckCandidate, candidates_[1], 730 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); 731 EXPECT_PRED5(CheckCandidate, candidates_[2], 732 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); 733 EXPECT_PRED5(CheckCandidate, candidates_[3], 734 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); 735 EXPECT_PRED5(CheckCandidate, candidates_[4], 736 cricket::ICE_CANDIDATE_COMPONENT_RTP, 737 "relay", "ssltcp", kRelaySslTcpIntAddr); 738 EXPECT_TRUE(candidate_allocation_done_); 739} 740 741#endif // if !defined(ADDRESS_SANITIZER) 742 743// Test that we don't crash or malfunction if we can't create UDP sockets or 744// listen on TCP sockets. We still give out a local TCP address, since 745// apparently this is needed for the remote side to accept our connection. 746TEST_F(PortAllocatorTest, TestGetAllPortsNoUdpSocketsNoTcpListen) { 747 AddInterface(kClientAddr); 748 fss_->set_udp_sockets_enabled(false); 749 fss_->set_tcp_listen_enabled(false); 750 EXPECT_TRUE(CreateSession(1)); 751 session_->StartGettingPorts(); 752 ASSERT_EQ_WAIT(5U, candidates_.size(), kDefaultAllocationTimeout); 753 EXPECT_EQ(2U, ports_.size()); 754 EXPECT_PRED5(CheckCandidate, candidates_[0], 755 1, "relay", "udp", kRelayUdpIntAddr); 756 EXPECT_PRED5(CheckCandidate, candidates_[1], 757 1, "relay", "udp", kRelayUdpExtAddr); 758 EXPECT_PRED5(CheckCandidate, candidates_[2], 759 1, "relay", "tcp", kRelayTcpIntAddr); 760 EXPECT_PRED5(CheckCandidate, candidates_[3], 761 1, "local", "tcp", kClientAddr); 762 EXPECT_PRED5(CheckCandidate, candidates_[4], 763 1, "relay", "ssltcp", kRelaySslTcpIntAddr); 764 EXPECT_TRUE(candidate_allocation_done_); 765} 766 767// Test that we don't crash or malfunction if we can't create any sockets. 768// TODO: Find a way to exit early here. 769TEST_F(PortAllocatorTest, TestGetAllPortsNoSockets) { 770 AddInterface(kClientAddr); 771 fss_->set_tcp_sockets_enabled(false); 772 fss_->set_udp_sockets_enabled(false); 773 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 774 session_->StartGettingPorts(); 775 WAIT(candidates_.size() > 0, 2000); 776 // TODO - Check candidate_allocation_done signal. 777 // In case of Relay, ports creation will succeed but sockets will fail. 778 // There is no error reporting from RelayEntry to handle this failure. 779} 780 781// Testing STUN timeout. 782TEST_F(PortAllocatorTest, TestGetAllPortsNoUdpAllowed) { 783 fss_->AddRule(false, rtc::FP_UDP, rtc::FD_ANY, kClientAddr); 784 AddInterface(kClientAddr); 785 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 786 session_->StartGettingPorts(); 787 EXPECT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout); 788 EXPECT_EQ(2U, ports_.size()); 789 EXPECT_PRED5(CheckCandidate, candidates_[0], 790 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 791 EXPECT_PRED5(CheckCandidate, candidates_[1], 792 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); 793 // RelayPort connection timeout is 3sec. TCP connection with RelayServer 794 // will be tried after 3 seconds. 795 EXPECT_EQ_WAIT(6U, candidates_.size(), 4000); 796 EXPECT_EQ(3U, ports_.size()); 797 EXPECT_PRED5(CheckCandidate, candidates_[2], 798 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpIntAddr); 799 EXPECT_PRED5(CheckCandidate, candidates_[3], 800 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "tcp", kRelayTcpIntAddr); 801 EXPECT_PRED5(CheckCandidate, candidates_[4], 802 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "ssltcp", 803 kRelaySslTcpIntAddr); 804 EXPECT_PRED5(CheckCandidate, candidates_[5], 805 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", kRelayUdpExtAddr); 806 // Stun Timeout is 9sec. 807 EXPECT_TRUE_WAIT(candidate_allocation_done_, 9000); 808} 809 810TEST_F(PortAllocatorTest, TestCandidatePriorityOfMultipleInterfaces) { 811 AddInterface(kClientAddr); 812 AddInterface(kClientAddr2); 813 // Allocating only host UDP ports. This is done purely for testing 814 // convenience. 815 allocator().set_flags(cricket::PORTALLOCATOR_DISABLE_TCP | 816 cricket::PORTALLOCATOR_DISABLE_STUN | 817 cricket::PORTALLOCATOR_DISABLE_RELAY); 818 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 819 session_->StartGettingPorts(); 820 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 821 ASSERT_EQ(2U, candidates_.size()); 822 EXPECT_EQ(2U, ports_.size()); 823 // Candidates priorities should be different. 824 EXPECT_NE(candidates_[0].priority(), candidates_[1].priority()); 825} 826 827// Test to verify ICE restart process. 828TEST_F(PortAllocatorTest, TestGetAllPortsRestarts) { 829 AddInterface(kClientAddr); 830 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 831 session_->StartGettingPorts(); 832 EXPECT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 833 EXPECT_EQ(4U, ports_.size()); 834 EXPECT_TRUE(candidate_allocation_done_); 835 // TODO - Extend this to verify ICE restart. 836} 837 838// Test ICE candidate filter mechanism with options Relay/Host/Reflexive. 839// This test also verifies that when the allocator is only allowed to use 840// relay (i.e. IceTransportsType is relay), the raddr is an empty 841// address with the correct family. This is to prevent any local 842// reflective address leakage in the sdp line. 843TEST_F(PortAllocatorTest, TestCandidateFilterWithRelayOnly) { 844 AddInterface(kClientAddr); 845 // GTURN is not configured here. 846 ResetWithTurnServersNoNat(kTurnUdpIntAddr, rtc::SocketAddress()); 847 allocator().set_candidate_filter(cricket::CF_RELAY); 848 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 849 session_->StartGettingPorts(); 850 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 851 EXPECT_PRED5(CheckCandidate, 852 candidates_[0], 853 cricket::ICE_CANDIDATE_COMPONENT_RTP, 854 "relay", 855 "udp", 856 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 857 858 EXPECT_EQ(1U, candidates_.size()); 859 EXPECT_EQ(1U, ports_.size()); // Only Relay port will be in ready state. 860 for (size_t i = 0; i < candidates_.size(); ++i) { 861 EXPECT_EQ(std::string(cricket::RELAY_PORT_TYPE), candidates_[i].type()); 862 EXPECT_EQ( 863 candidates_[0].related_address(), 864 rtc::EmptySocketAddressWithFamily(candidates_[0].address().family())); 865 } 866} 867 868TEST_F(PortAllocatorTest, TestCandidateFilterWithHostOnly) { 869 AddInterface(kClientAddr); 870 allocator().set_flags(cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 871 allocator().set_candidate_filter(cricket::CF_HOST); 872 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 873 session_->StartGettingPorts(); 874 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 875 EXPECT_EQ(2U, candidates_.size()); // Host UDP/TCP candidates only. 876 EXPECT_EQ(2U, ports_.size()); // UDP/TCP ports only. 877 for (size_t i = 0; i < candidates_.size(); ++i) { 878 EXPECT_EQ(std::string(cricket::LOCAL_PORT_TYPE), candidates_[i].type()); 879 } 880} 881 882// Host is behind the NAT. 883TEST_F(PortAllocatorTest, TestCandidateFilterWithReflexiveOnly) { 884 AddInterface(kPrivateAddr); 885 ResetWithStunServerAndNat(kStunAddr); 886 887 allocator().set_flags(cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 888 allocator().set_candidate_filter(cricket::CF_REFLEXIVE); 889 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 890 session_->StartGettingPorts(); 891 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 892 // Host is behind NAT, no private address will be exposed. Hence only UDP 893 // port with STUN candidate will be sent outside. 894 EXPECT_EQ(1U, candidates_.size()); // Only STUN candidate. 895 EXPECT_EQ(1U, ports_.size()); // Only UDP port will be in ready state. 896 for (size_t i = 0; i < candidates_.size(); ++i) { 897 EXPECT_EQ(std::string(cricket::STUN_PORT_TYPE), candidates_[i].type()); 898 EXPECT_EQ( 899 candidates_[0].related_address(), 900 rtc::EmptySocketAddressWithFamily(candidates_[0].address().family())); 901 } 902} 903 904// Host is not behind the NAT. 905TEST_F(PortAllocatorTest, TestCandidateFilterWithReflexiveOnlyAndNoNAT) { 906 AddInterface(kClientAddr); 907 allocator().set_flags(cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 908 allocator().set_candidate_filter(cricket::CF_REFLEXIVE); 909 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 910 session_->StartGettingPorts(); 911 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 912 // Host has a public address, both UDP and TCP candidates will be exposed. 913 EXPECT_EQ(2U, candidates_.size()); // Local UDP + TCP candidate. 914 EXPECT_EQ(2U, ports_.size()); // UDP and TCP ports will be in ready state. 915 for (size_t i = 0; i < candidates_.size(); ++i) { 916 EXPECT_EQ(std::string(cricket::LOCAL_PORT_TYPE), candidates_[i].type()); 917 } 918} 919 920// Test that we get the same ufrag and pwd for all candidates. 921TEST_F(PortAllocatorTest, TestEnableSharedUfrag) { 922 AddInterface(kClientAddr); 923 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 924 session_->StartGettingPorts(); 925 ASSERT_EQ_WAIT(7U, candidates_.size(), kDefaultAllocationTimeout); 926 EXPECT_PRED5(CheckCandidate, candidates_[0], 927 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 928 EXPECT_PRED5(CheckCandidate, candidates_[1], 929 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", kClientAddr); 930 EXPECT_PRED5(CheckCandidate, candidates_[5], 931 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", kClientAddr); 932 EXPECT_EQ(4U, ports_.size()); 933 EXPECT_EQ(kIceUfrag0, candidates_[0].username()); 934 EXPECT_EQ(kIceUfrag0, candidates_[1].username()); 935 EXPECT_EQ(kIceUfrag0, candidates_[2].username()); 936 EXPECT_EQ(kIcePwd0, candidates_[0].password()); 937 EXPECT_EQ(kIcePwd0, candidates_[1].password()); 938 EXPECT_TRUE(candidate_allocation_done_); 939} 940 941// Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port 942// is allocated for udp and stun. Also verify there is only one candidate 943// (local) if stun candidate is same as local candidate, which will be the case 944// in a public network like the below test. 945TEST_F(PortAllocatorTest, TestSharedSocketWithoutNat) { 946 AddInterface(kClientAddr); 947 allocator_->set_flags(allocator().flags() | 948 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 949 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 950 session_->StartGettingPorts(); 951 ASSERT_EQ_WAIT(6U, candidates_.size(), kDefaultAllocationTimeout); 952 EXPECT_EQ(3U, ports_.size()); 953 EXPECT_PRED5(CheckCandidate, candidates_[0], 954 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 955 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 956} 957 958// Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port 959// is allocated for udp and stun. In this test we should expect both stun and 960// local candidates as client behind a nat. 961TEST_F(PortAllocatorTest, TestSharedSocketWithNat) { 962 AddInterface(kClientAddr); 963 ResetWithStunServerAndNat(kStunAddr); 964 965 allocator_->set_flags(allocator().flags() | 966 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 967 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 968 session_->StartGettingPorts(); 969 ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); 970 ASSERT_EQ(2U, ports_.size()); 971 EXPECT_PRED5(CheckCandidate, candidates_[0], 972 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 973 EXPECT_PRED5(CheckCandidate, candidates_[1], 974 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", 975 rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0)); 976 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 977 EXPECT_EQ(3U, candidates_.size()); 978} 979 980// Test TURN port in shared socket mode with UDP and TCP TURN server addresses. 981TEST_F(PortAllocatorTest, TestSharedSocketWithoutNatUsingTurn) { 982 turn_server_.AddInternalSocket(kTurnTcpIntAddr, cricket::PROTO_TCP); 983 AddInterface(kClientAddr); 984 allocator_.reset(new cricket::BasicPortAllocator(&network_manager_)); 985 986 AddTurnServers(kTurnUdpIntAddr, kTurnTcpIntAddr); 987 988 allocator_->set_step_delay(cricket::kMinimumStepDelay); 989 allocator_->set_flags(allocator().flags() | 990 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | 991 cricket::PORTALLOCATOR_DISABLE_TCP); 992 993 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 994 session_->StartGettingPorts(); 995 996 ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); 997 ASSERT_EQ(3U, ports_.size()); 998 EXPECT_PRED5(CheckCandidate, candidates_[0], 999 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 1000 EXPECT_PRED5(CheckCandidate, candidates_[1], 1001 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 1002 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 1003 EXPECT_PRED5(CheckCandidate, candidates_[2], 1004 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 1005 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 1006 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 1007 EXPECT_EQ(3U, candidates_.size()); 1008} 1009 1010// Testing DNS resolve for the TURN server, this will test AllocationSequence 1011// handling the unresolved address signal from TurnPort. 1012TEST_F(PortAllocatorTest, TestSharedSocketWithServerAddressResolve) { 1013 turn_server_.AddInternalSocket(rtc::SocketAddress("127.0.0.1", 3478), 1014 cricket::PROTO_UDP); 1015 AddInterface(kClientAddr); 1016 allocator_.reset(new cricket::BasicPortAllocator(&network_manager_)); 1017 cricket::RelayServerConfig relay_server(cricket::RELAY_TURN); 1018 cricket::RelayCredentials credentials(kTurnUsername, kTurnPassword); 1019 relay_server.credentials = credentials; 1020 relay_server.ports.push_back(cricket::ProtocolAddress( 1021 rtc::SocketAddress("localhost", 3478), 1022 cricket::PROTO_UDP, false)); 1023 allocator_->AddRelay(relay_server); 1024 1025 allocator_->set_step_delay(cricket::kMinimumStepDelay); 1026 allocator_->set_flags(allocator().flags() | 1027 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | 1028 cricket::PORTALLOCATOR_DISABLE_TCP); 1029 1030 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1031 session_->StartGettingPorts(); 1032 1033 EXPECT_EQ_WAIT(2U, ports_.size(), kDefaultAllocationTimeout); 1034} 1035 1036// Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled only one port 1037// is allocated for udp/stun/turn. In this test we should expect all local, 1038// stun and turn candidates. 1039TEST_F(PortAllocatorTest, TestSharedSocketWithNatUsingTurn) { 1040 AddInterface(kClientAddr); 1041 ResetWithStunServerAndNat(kStunAddr); 1042 1043 AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); 1044 1045 allocator_->set_flags(allocator().flags() | 1046 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | 1047 cricket::PORTALLOCATOR_DISABLE_TCP); 1048 1049 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1050 session_->StartGettingPorts(); 1051 1052 ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); 1053 ASSERT_EQ(2U, ports_.size()); 1054 EXPECT_PRED5(CheckCandidate, candidates_[0], 1055 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 1056 EXPECT_PRED5(CheckCandidate, candidates_[1], 1057 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", 1058 rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0)); 1059 EXPECT_PRED5(CheckCandidate, candidates_[2], 1060 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 1061 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 1062 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 1063 EXPECT_EQ(3U, candidates_.size()); 1064 // Local port will be created first and then TURN port. 1065 EXPECT_EQ(2U, ports_[0]->Candidates().size()); 1066 EXPECT_EQ(1U, ports_[1]->Candidates().size()); 1067} 1068 1069// Test that when PORTALLOCATOR_ENABLE_SHARED_SOCKET is enabled and the TURN 1070// server is also used as the STUN server, we should get 'local', 'stun', and 1071// 'relay' candidates. 1072TEST_F(PortAllocatorTest, TestSharedSocketWithNatUsingTurnAsStun) { 1073 AddInterface(kClientAddr); 1074 // Use an empty SocketAddress to add a NAT without STUN server. 1075 ResetWithStunServerAndNat(SocketAddress()); 1076 AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); 1077 1078 // Must set the step delay to 0 to make sure the relay allocation phase is 1079 // started before the STUN candidates are obtained, so that the STUN binding 1080 // response is processed when both StunPort and TurnPort exist to reproduce 1081 // webrtc issue 3537. 1082 allocator_->set_step_delay(0); 1083 allocator_->set_flags(allocator().flags() | 1084 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | 1085 cricket::PORTALLOCATOR_DISABLE_TCP); 1086 1087 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1088 session_->StartGettingPorts(); 1089 1090 ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); 1091 EXPECT_PRED5(CheckCandidate, candidates_[0], 1092 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 1093 EXPECT_PRED5(CheckCandidate, candidates_[1], 1094 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", 1095 rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0)); 1096 EXPECT_PRED5(CheckCandidate, candidates_[2], 1097 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 1098 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 1099 EXPECT_EQ(candidates_[2].related_address(), candidates_[1].address()); 1100 1101 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 1102 EXPECT_EQ(3U, candidates_.size()); 1103 // Local port will be created first and then TURN port. 1104 EXPECT_EQ(2U, ports_[0]->Candidates().size()); 1105 EXPECT_EQ(1U, ports_[1]->Candidates().size()); 1106} 1107 1108// Test that when only a TCP TURN server is available, we do NOT use it as 1109// a UDP STUN server, as this could leak our IP address. Thus we should only 1110// expect two ports, a UDPPort and TurnPort. 1111TEST_F(PortAllocatorTest, TestSharedSocketWithNatUsingTurnTcpOnly) { 1112 turn_server_.AddInternalSocket(kTurnTcpIntAddr, cricket::PROTO_TCP); 1113 AddInterface(kClientAddr); 1114 ResetWithStunServerAndNat(rtc::SocketAddress()); 1115 AddTurnServers(rtc::SocketAddress(), kTurnTcpIntAddr); 1116 1117 allocator_->set_flags(allocator().flags() | 1118 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | 1119 cricket::PORTALLOCATOR_DISABLE_TCP); 1120 1121 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1122 session_->StartGettingPorts(); 1123 1124 ASSERT_EQ_WAIT(2U, candidates_.size(), kDefaultAllocationTimeout); 1125 ASSERT_EQ(2U, ports_.size()); 1126 EXPECT_PRED5(CheckCandidate, candidates_[0], 1127 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", 1128 kClientAddr); 1129 EXPECT_PRED5(CheckCandidate, candidates_[1], 1130 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 1131 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 1132 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 1133 EXPECT_EQ(2U, candidates_.size()); 1134 EXPECT_EQ(1U, ports_[0]->Candidates().size()); 1135 EXPECT_EQ(1U, ports_[1]->Candidates().size()); 1136} 1137 1138// Test that even when PORTALLOCATOR_ENABLE_SHARED_SOCKET is NOT enabled, the 1139// TURN server is used as the STUN server and we get 'local', 'stun', and 1140// 'relay' candidates. 1141// TODO(deadbeef): Remove this test when support for non-shared socket mode 1142// is removed. 1143TEST_F(PortAllocatorTest, TestNonSharedSocketWithNatUsingTurnAsStun) { 1144 AddInterface(kClientAddr); 1145 // Use an empty SocketAddress to add a NAT without STUN server. 1146 ResetWithStunServerAndNat(SocketAddress()); 1147 AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); 1148 1149 allocator_->set_flags(allocator().flags() | 1150 cricket::PORTALLOCATOR_DISABLE_TCP); 1151 1152 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1153 session_->StartGettingPorts(); 1154 1155 ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); 1156 ASSERT_EQ(3U, ports_.size()); 1157 EXPECT_PRED5(CheckCandidate, candidates_[0], 1158 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", 1159 kClientAddr); 1160 EXPECT_PRED5(CheckCandidate, candidates_[1], 1161 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", 1162 rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0)); 1163 EXPECT_PRED5(CheckCandidate, candidates_[2], 1164 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 1165 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 1166 // Not using shared socket, so the STUN request's server reflexive address 1167 // should be different than the TURN request's server reflexive address. 1168 EXPECT_NE(candidates_[2].related_address(), candidates_[1].address()); 1169 1170 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 1171 EXPECT_EQ(3U, candidates_.size()); 1172 EXPECT_EQ(1U, ports_[0]->Candidates().size()); 1173 EXPECT_EQ(1U, ports_[1]->Candidates().size()); 1174 EXPECT_EQ(1U, ports_[2]->Candidates().size()); 1175} 1176 1177// Test that even when both a STUN and TURN server are configured, the TURN 1178// server is used as a STUN server and we get a 'stun' candidate. 1179TEST_F(PortAllocatorTest, TestSharedSocketWithNatUsingTurnAndStun) { 1180 AddInterface(kClientAddr); 1181 // Configure with STUN server but destroy it, so we can ensure that it's 1182 // the TURN server actually being used as a STUN server. 1183 ResetWithStunServerAndNat(kStunAddr); 1184 stun_server_.reset(); 1185 AddTurnServers(kTurnUdpIntAddr, rtc::SocketAddress()); 1186 1187 allocator_->set_flags(allocator().flags() | 1188 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET | 1189 cricket::PORTALLOCATOR_DISABLE_TCP); 1190 1191 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1192 session_->StartGettingPorts(); 1193 1194 ASSERT_EQ_WAIT(3U, candidates_.size(), kDefaultAllocationTimeout); 1195 EXPECT_PRED5(CheckCandidate, candidates_[0], 1196 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", 1197 kClientAddr); 1198 EXPECT_PRED5(CheckCandidate, candidates_[1], 1199 cricket::ICE_CANDIDATE_COMPONENT_RTP, "stun", "udp", 1200 rtc::SocketAddress(kNatUdpAddr.ipaddr(), 0)); 1201 EXPECT_PRED5(CheckCandidate, candidates_[2], 1202 cricket::ICE_CANDIDATE_COMPONENT_RTP, "relay", "udp", 1203 rtc::SocketAddress(kTurnUdpExtAddr.ipaddr(), 0)); 1204 EXPECT_EQ(candidates_[2].related_address(), candidates_[1].address()); 1205 1206 // Don't bother waiting for STUN timeout, since we already verified 1207 // that we got a STUN candidate from the TURN server. 1208} 1209 1210// This test verifies when PORTALLOCATOR_ENABLE_SHARED_SOCKET flag is enabled 1211// and fail to generate STUN candidate, local UDP candidate is generated 1212// properly. 1213TEST_F(PortAllocatorTest, TestSharedSocketNoUdpAllowed) { 1214 allocator().set_flags(allocator().flags() | 1215 cricket::PORTALLOCATOR_DISABLE_RELAY | 1216 cricket::PORTALLOCATOR_DISABLE_TCP | 1217 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 1218 fss_->AddRule(false, rtc::FP_UDP, rtc::FD_ANY, kClientAddr); 1219 AddInterface(kClientAddr); 1220 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1221 session_->StartGettingPorts(); 1222 ASSERT_EQ_WAIT(1U, ports_.size(), kDefaultAllocationTimeout); 1223 EXPECT_EQ(1U, candidates_.size()); 1224 EXPECT_PRED5(CheckCandidate, candidates_[0], 1225 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", kClientAddr); 1226 // STUN timeout is 9sec. We need to wait to get candidate done signal. 1227 EXPECT_TRUE_WAIT(candidate_allocation_done_, 10000); 1228 EXPECT_EQ(1U, candidates_.size()); 1229} 1230 1231// Test that when the NetworkManager doesn't have permission to enumerate 1232// adapters, the PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION is specified 1233// automatically. 1234TEST_F(PortAllocatorTest, TestNetworkPermissionBlocked) { 1235 AddInterface(kClientAddr); 1236 network_manager_.set_enumeration_permission( 1237 rtc::NetworkManager::ENUMERATION_BLOCKED); 1238 allocator().set_flags(allocator().flags() | 1239 cricket::PORTALLOCATOR_DISABLE_RELAY | 1240 cricket::PORTALLOCATOR_DISABLE_TCP | 1241 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 1242 EXPECT_EQ(0U, allocator_->flags() & 1243 cricket::PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION); 1244 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1245 EXPECT_EQ(0U, session_->flags() & 1246 cricket::PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION); 1247 session_->StartGettingPorts(); 1248 EXPECT_EQ_WAIT(1U, ports_.size(), kDefaultAllocationTimeout); 1249 EXPECT_EQ(0U, candidates_.size()); 1250 EXPECT_TRUE((session_->flags() & 1251 cricket::PORTALLOCATOR_DISABLE_ADAPTER_ENUMERATION) != 0); 1252} 1253 1254// This test verifies allocator can use IPv6 addresses along with IPv4. 1255TEST_F(PortAllocatorTest, TestEnableIPv6Addresses) { 1256 allocator().set_flags(allocator().flags() | 1257 cricket::PORTALLOCATOR_DISABLE_RELAY | 1258 cricket::PORTALLOCATOR_ENABLE_IPV6 | 1259 cricket::PORTALLOCATOR_ENABLE_SHARED_SOCKET); 1260 AddInterface(kClientIPv6Addr); 1261 AddInterface(kClientAddr); 1262 allocator_->set_step_delay(cricket::kMinimumStepDelay); 1263 EXPECT_TRUE(CreateSession(cricket::ICE_CANDIDATE_COMPONENT_RTP)); 1264 session_->StartGettingPorts(); 1265 ASSERT_EQ_WAIT(4U, ports_.size(), kDefaultAllocationTimeout); 1266 EXPECT_EQ(4U, candidates_.size()); 1267 EXPECT_TRUE_WAIT(candidate_allocation_done_, kDefaultAllocationTimeout); 1268 EXPECT_PRED5(CheckCandidate, candidates_[0], 1269 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", 1270 kClientIPv6Addr); 1271 EXPECT_PRED5(CheckCandidate, candidates_[1], 1272 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "udp", 1273 kClientAddr); 1274 EXPECT_PRED5(CheckCandidate, candidates_[2], 1275 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", 1276 kClientIPv6Addr); 1277 EXPECT_PRED5(CheckCandidate, candidates_[3], 1278 cricket::ICE_CANDIDATE_COMPONENT_RTP, "local", "tcp", 1279 kClientAddr); 1280 EXPECT_EQ(4U, candidates_.size()); 1281} 1282