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| 1 /* | |
| 2 * Copyright 2006 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 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 <math.h> | |
| 12 #include <time.h> | |
| 13 #if defined(WEBRTC_POSIX) | |
| 14 #include <netinet/in.h> | |
| 15 #endif | |
| 16 | |
| 17 #include <memory> | |
| 18 | |
| 19 #include "webrtc/base/arraysize.h" | |
| 20 #include "webrtc/base/fakeclock.h" | |
| 21 #include "webrtc/base/gunit.h" | |
| 22 #include "webrtc/base/logging.h" | |
| 23 #include "webrtc/base/ptr_util.h" | |
| 24 #include "webrtc/base/testclient.h" | |
| 25 #include "webrtc/base/testutils.h" | |
| 26 #include "webrtc/base/thread.h" | |
| 27 #include "webrtc/base/timeutils.h" | |
| 28 #include "webrtc/base/virtualsocketserver.h" | |
| 29 | |
| 30 using namespace rtc; | |
| 31 | |
| 32 using webrtc::testing::SSE_CLOSE; | |
| 33 using webrtc::testing::SSE_ERROR; | |
| 34 using webrtc::testing::SSE_OPEN; | |
| 35 using webrtc::testing::SSE_READ; | |
| 36 using webrtc::testing::SSE_WRITE; | |
| 37 using webrtc::testing::StreamSink; | |
| 38 | |
| 39 // Sends at a constant rate but with random packet sizes. | |
| 40 struct Sender : public MessageHandler { | |
| 41 Sender(Thread* th, AsyncSocket* s, uint32_t rt) | |
| 42 : thread(th), | |
| 43 socket(MakeUnique<AsyncUDPSocket>(s)), | |
| 44 done(false), | |
| 45 rate(rt), | |
| 46 count(0) { | |
| 47 last_send = rtc::TimeMillis(); | |
| 48 thread->PostDelayed(RTC_FROM_HERE, NextDelay(), this, 1); | |
| 49 } | |
| 50 | |
| 51 uint32_t NextDelay() { | |
| 52 uint32_t size = (rand() % 4096) + 1; | |
| 53 return 1000 * size / rate; | |
| 54 } | |
| 55 | |
| 56 void OnMessage(Message* pmsg) { | |
| 57 ASSERT_EQ(1u, pmsg->message_id); | |
| 58 | |
| 59 if (done) | |
| 60 return; | |
| 61 | |
| 62 int64_t cur_time = rtc::TimeMillis(); | |
| 63 int64_t delay = cur_time - last_send; | |
| 64 uint32_t size = static_cast<uint32_t>(rate * delay / 1000); | |
| 65 size = std::min<uint32_t>(size, 4096); | |
| 66 size = std::max<uint32_t>(size, sizeof(uint32_t)); | |
| 67 | |
| 68 count += size; | |
| 69 memcpy(dummy, &cur_time, sizeof(cur_time)); | |
| 70 socket->Send(dummy, size, options); | |
| 71 | |
| 72 last_send = cur_time; | |
| 73 thread->PostDelayed(RTC_FROM_HERE, NextDelay(), this, 1); | |
| 74 } | |
| 75 | |
| 76 Thread* thread; | |
| 77 std::unique_ptr<AsyncUDPSocket> socket; | |
| 78 rtc::PacketOptions options; | |
| 79 bool done; | |
| 80 uint32_t rate; // bytes per second | |
| 81 uint32_t count; | |
| 82 int64_t last_send; | |
| 83 char dummy[4096]; | |
| 84 }; | |
| 85 | |
| 86 struct Receiver : public MessageHandler, public sigslot::has_slots<> { | |
| 87 Receiver(Thread* th, AsyncSocket* s, uint32_t bw) | |
| 88 : thread(th), | |
| 89 socket(MakeUnique<AsyncUDPSocket>(s)), | |
| 90 bandwidth(bw), | |
| 91 done(false), | |
| 92 count(0), | |
| 93 sec_count(0), | |
| 94 sum(0), | |
| 95 sum_sq(0), | |
| 96 samples(0) { | |
| 97 socket->SignalReadPacket.connect(this, &Receiver::OnReadPacket); | |
| 98 thread->PostDelayed(RTC_FROM_HERE, 1000, this, 1); | |
| 99 } | |
| 100 | |
| 101 ~Receiver() { | |
| 102 thread->Clear(this); | |
| 103 } | |
| 104 | |
| 105 void OnReadPacket(AsyncPacketSocket* s, const char* data, size_t size, | |
| 106 const SocketAddress& remote_addr, | |
| 107 const PacketTime& packet_time) { | |
| 108 ASSERT_EQ(socket.get(), s); | |
| 109 ASSERT_GE(size, 4U); | |
| 110 | |
| 111 count += size; | |
| 112 sec_count += size; | |
| 113 | |
| 114 uint32_t send_time = *reinterpret_cast<const uint32_t*>(data); | |
| 115 uint32_t recv_time = rtc::TimeMillis(); | |
| 116 uint32_t delay = recv_time - send_time; | |
| 117 sum += delay; | |
| 118 sum_sq += delay * delay; | |
| 119 samples += 1; | |
| 120 } | |
| 121 | |
| 122 void OnMessage(Message* pmsg) { | |
| 123 ASSERT_EQ(1u, pmsg->message_id); | |
| 124 | |
| 125 if (done) | |
| 126 return; | |
| 127 | |
| 128 // It is always possible for us to receive more than expected because | |
| 129 // packets can be further delayed in delivery. | |
| 130 if (bandwidth > 0) | |
| 131 ASSERT_TRUE(sec_count <= 5 * bandwidth / 4); | |
| 132 sec_count = 0; | |
| 133 thread->PostDelayed(RTC_FROM_HERE, 1000, this, 1); | |
| 134 } | |
| 135 | |
| 136 Thread* thread; | |
| 137 std::unique_ptr<AsyncUDPSocket> socket; | |
| 138 uint32_t bandwidth; | |
| 139 bool done; | |
| 140 size_t count; | |
| 141 size_t sec_count; | |
| 142 double sum; | |
| 143 double sum_sq; | |
| 144 uint32_t samples; | |
| 145 }; | |
| 146 | |
| 147 // Note: This test uses a fake clock in addition to a virtual network. | |
| 148 class VirtualSocketServerTest : public testing::Test { | |
| 149 public: | |
| 150 VirtualSocketServerTest() | |
| 151 : ss_(&fake_clock_), | |
| 152 thread_(&ss_), | |
| 153 kIPv4AnyAddress(IPAddress(INADDR_ANY), 0), | |
| 154 kIPv6AnyAddress(IPAddress(in6addr_any), 0) {} | |
| 155 | |
| 156 void CheckPortIncrementalization(const SocketAddress& post, | |
| 157 const SocketAddress& pre) { | |
| 158 EXPECT_EQ(post.port(), pre.port() + 1); | |
| 159 IPAddress post_ip = post.ipaddr(); | |
| 160 IPAddress pre_ip = pre.ipaddr(); | |
| 161 EXPECT_EQ(pre_ip.family(), post_ip.family()); | |
| 162 if (post_ip.family() == AF_INET) { | |
| 163 in_addr pre_ipv4 = pre_ip.ipv4_address(); | |
| 164 in_addr post_ipv4 = post_ip.ipv4_address(); | |
| 165 EXPECT_EQ(post_ipv4.s_addr, pre_ipv4.s_addr); | |
| 166 } else if (post_ip.family() == AF_INET6) { | |
| 167 in6_addr post_ip6 = post_ip.ipv6_address(); | |
| 168 in6_addr pre_ip6 = pre_ip.ipv6_address(); | |
| 169 uint32_t* post_as_ints = reinterpret_cast<uint32_t*>(&post_ip6.s6_addr); | |
| 170 uint32_t* pre_as_ints = reinterpret_cast<uint32_t*>(&pre_ip6.s6_addr); | |
| 171 EXPECT_EQ(post_as_ints[3], pre_as_ints[3]); | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 // Test a client can bind to the any address, and all sent packets will have | |
| 176 // the default route as the source address. Also, it can receive packets sent | |
| 177 // to the default route. | |
| 178 void TestDefaultRoute(const IPAddress& default_route) { | |
| 179 ss_.SetDefaultRoute(default_route); | |
| 180 | |
| 181 // Create client1 bound to the any address. | |
| 182 AsyncSocket* socket = | |
| 183 ss_.CreateAsyncSocket(default_route.family(), SOCK_DGRAM); | |
| 184 socket->Bind(EmptySocketAddressWithFamily(default_route.family())); | |
| 185 SocketAddress client1_any_addr = socket->GetLocalAddress(); | |
| 186 EXPECT_TRUE(client1_any_addr.IsAnyIP()); | |
| 187 auto client1 = MakeUnique<TestClient>(MakeUnique<AsyncUDPSocket>(socket), | |
| 188 &fake_clock_); | |
| 189 | |
| 190 // Create client2 bound to the default route. | |
| 191 AsyncSocket* socket2 = | |
| 192 ss_.CreateAsyncSocket(default_route.family(), SOCK_DGRAM); | |
| 193 socket2->Bind(SocketAddress(default_route, 0)); | |
| 194 SocketAddress client2_addr = socket2->GetLocalAddress(); | |
| 195 EXPECT_FALSE(client2_addr.IsAnyIP()); | |
| 196 auto client2 = MakeUnique<TestClient>(MakeUnique<AsyncUDPSocket>(socket2), | |
| 197 &fake_clock_); | |
| 198 | |
| 199 // Client1 sends to client2, client2 should see the default route as | |
| 200 // client1's address. | |
| 201 SocketAddress client1_addr; | |
| 202 EXPECT_EQ(6, client1->SendTo("bizbaz", 6, client2_addr)); | |
| 203 EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &client1_addr)); | |
| 204 EXPECT_EQ(client1_addr, | |
| 205 SocketAddress(default_route, client1_any_addr.port())); | |
| 206 | |
| 207 // Client2 can send back to client1's default route address. | |
| 208 EXPECT_EQ(3, client2->SendTo("foo", 3, client1_addr)); | |
| 209 EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &client2_addr)); | |
| 210 } | |
| 211 | |
| 212 void BasicTest(const SocketAddress& initial_addr) { | |
| 213 AsyncSocket* socket = | |
| 214 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); | |
| 215 socket->Bind(initial_addr); | |
| 216 SocketAddress server_addr = socket->GetLocalAddress(); | |
| 217 // Make sure VSS didn't switch families on us. | |
| 218 EXPECT_EQ(server_addr.family(), initial_addr.family()); | |
| 219 | |
| 220 auto client1 = MakeUnique<TestClient>(MakeUnique<AsyncUDPSocket>(socket), | |
| 221 &fake_clock_); | |
| 222 AsyncSocket* socket2 = | |
| 223 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); | |
| 224 auto client2 = MakeUnique<TestClient>(MakeUnique<AsyncUDPSocket>(socket2), | |
| 225 &fake_clock_); | |
| 226 | |
| 227 SocketAddress client2_addr; | |
| 228 EXPECT_EQ(3, client2->SendTo("foo", 3, server_addr)); | |
| 229 EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &client2_addr)); | |
| 230 | |
| 231 SocketAddress client1_addr; | |
| 232 EXPECT_EQ(6, client1->SendTo("bizbaz", 6, client2_addr)); | |
| 233 EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &client1_addr)); | |
| 234 EXPECT_EQ(client1_addr, server_addr); | |
| 235 | |
| 236 SocketAddress empty = EmptySocketAddressWithFamily(initial_addr.family()); | |
| 237 for (int i = 0; i < 10; i++) { | |
| 238 client2 = MakeUnique<TestClient>( | |
| 239 WrapUnique(AsyncUDPSocket::Create(&ss_, empty)), &fake_clock_); | |
| 240 | |
| 241 SocketAddress next_client2_addr; | |
| 242 EXPECT_EQ(3, client2->SendTo("foo", 3, server_addr)); | |
| 243 EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &next_client2_addr)); | |
| 244 CheckPortIncrementalization(next_client2_addr, client2_addr); | |
| 245 // EXPECT_EQ(next_client2_addr.port(), client2_addr.port() + 1); | |
| 246 | |
| 247 SocketAddress server_addr2; | |
| 248 EXPECT_EQ(6, client1->SendTo("bizbaz", 6, next_client2_addr)); | |
| 249 EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &server_addr2)); | |
| 250 EXPECT_EQ(server_addr2, server_addr); | |
| 251 | |
| 252 client2_addr = next_client2_addr; | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 // initial_addr should be made from either INADDR_ANY or in6addr_any. | |
| 257 void ConnectTest(const SocketAddress& initial_addr) { | |
| 258 StreamSink sink; | |
| 259 SocketAddress accept_addr; | |
| 260 const SocketAddress kEmptyAddr = | |
| 261 EmptySocketAddressWithFamily(initial_addr.family()); | |
| 262 | |
| 263 // Create client | |
| 264 std::unique_ptr<AsyncSocket> client = | |
| 265 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 266 sink.Monitor(client.get()); | |
| 267 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); | |
| 268 EXPECT_TRUE(client->GetLocalAddress().IsNil()); | |
| 269 | |
| 270 // Create server | |
| 271 std::unique_ptr<AsyncSocket> server = | |
| 272 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 273 sink.Monitor(server.get()); | |
| 274 EXPECT_NE(0, server->Listen(5)); // Bind required | |
| 275 EXPECT_EQ(0, server->Bind(initial_addr)); | |
| 276 EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); | |
| 277 EXPECT_EQ(0, server->Listen(5)); | |
| 278 EXPECT_EQ(server->GetState(), AsyncSocket::CS_CONNECTING); | |
| 279 | |
| 280 // No pending server connections | |
| 281 EXPECT_FALSE(sink.Check(server.get(), SSE_READ)); | |
| 282 EXPECT_TRUE(nullptr == server->Accept(&accept_addr)); | |
| 283 EXPECT_EQ(AF_UNSPEC, accept_addr.family()); | |
| 284 | |
| 285 // Attempt connect to listening socket | |
| 286 EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); | |
| 287 EXPECT_NE(client->GetLocalAddress(), kEmptyAddr); // Implicit Bind | |
| 288 EXPECT_NE(AF_UNSPEC, client->GetLocalAddress().family()); // Implicit Bind | |
| 289 EXPECT_NE(client->GetLocalAddress(), server->GetLocalAddress()); | |
| 290 | |
| 291 // Client is connecting | |
| 292 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTING); | |
| 293 EXPECT_FALSE(sink.Check(client.get(), SSE_OPEN)); | |
| 294 EXPECT_FALSE(sink.Check(client.get(), SSE_CLOSE)); | |
| 295 | |
| 296 ss_.ProcessMessagesUntilIdle(); | |
| 297 | |
| 298 // Client still connecting | |
| 299 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTING); | |
| 300 EXPECT_FALSE(sink.Check(client.get(), SSE_OPEN)); | |
| 301 EXPECT_FALSE(sink.Check(client.get(), SSE_CLOSE)); | |
| 302 | |
| 303 // Server has pending connection | |
| 304 EXPECT_TRUE(sink.Check(server.get(), SSE_READ)); | |
| 305 std::unique_ptr<Socket> accepted = WrapUnique(server->Accept(&accept_addr)); | |
| 306 EXPECT_TRUE(nullptr != accepted); | |
| 307 EXPECT_NE(accept_addr, kEmptyAddr); | |
| 308 EXPECT_EQ(accepted->GetRemoteAddress(), accept_addr); | |
| 309 | |
| 310 EXPECT_EQ(accepted->GetState(), AsyncSocket::CS_CONNECTED); | |
| 311 EXPECT_EQ(accepted->GetLocalAddress(), server->GetLocalAddress()); | |
| 312 EXPECT_EQ(accepted->GetRemoteAddress(), client->GetLocalAddress()); | |
| 313 | |
| 314 ss_.ProcessMessagesUntilIdle(); | |
| 315 | |
| 316 // Client has connected | |
| 317 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTED); | |
| 318 EXPECT_TRUE(sink.Check(client.get(), SSE_OPEN)); | |
| 319 EXPECT_FALSE(sink.Check(client.get(), SSE_CLOSE)); | |
| 320 EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); | |
| 321 EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); | |
| 322 } | |
| 323 | |
| 324 void ConnectToNonListenerTest(const SocketAddress& initial_addr) { | |
| 325 StreamSink sink; | |
| 326 SocketAddress accept_addr; | |
| 327 const SocketAddress nil_addr; | |
| 328 const SocketAddress empty_addr = | |
| 329 EmptySocketAddressWithFamily(initial_addr.family()); | |
| 330 | |
| 331 // Create client | |
| 332 std::unique_ptr<AsyncSocket> client = | |
| 333 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 334 sink.Monitor(client.get()); | |
| 335 | |
| 336 // Create server | |
| 337 std::unique_ptr<AsyncSocket> server = | |
| 338 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 339 sink.Monitor(server.get()); | |
| 340 EXPECT_EQ(0, server->Bind(initial_addr)); | |
| 341 EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); | |
| 342 // Attempt connect to non-listening socket | |
| 343 EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); | |
| 344 | |
| 345 ss_.ProcessMessagesUntilIdle(); | |
| 346 | |
| 347 // No pending server connections | |
| 348 EXPECT_FALSE(sink.Check(server.get(), SSE_READ)); | |
| 349 EXPECT_TRUE(nullptr == server->Accept(&accept_addr)); | |
| 350 EXPECT_EQ(accept_addr, nil_addr); | |
| 351 | |
| 352 // Connection failed | |
| 353 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); | |
| 354 EXPECT_FALSE(sink.Check(client.get(), SSE_OPEN)); | |
| 355 EXPECT_TRUE(sink.Check(client.get(), SSE_ERROR)); | |
| 356 EXPECT_EQ(client->GetRemoteAddress(), nil_addr); | |
| 357 } | |
| 358 | |
| 359 void CloseDuringConnectTest(const SocketAddress& initial_addr) { | |
| 360 StreamSink sink; | |
| 361 SocketAddress accept_addr; | |
| 362 const SocketAddress empty_addr = | |
| 363 EmptySocketAddressWithFamily(initial_addr.family()); | |
| 364 | |
| 365 // Create client and server | |
| 366 std::unique_ptr<AsyncSocket> client( | |
| 367 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 368 sink.Monitor(client.get()); | |
| 369 std::unique_ptr<AsyncSocket> server( | |
| 370 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 371 sink.Monitor(server.get()); | |
| 372 | |
| 373 // Initiate connect | |
| 374 EXPECT_EQ(0, server->Bind(initial_addr)); | |
| 375 EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); | |
| 376 | |
| 377 EXPECT_EQ(0, server->Listen(5)); | |
| 378 EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); | |
| 379 | |
| 380 // Server close before socket enters accept queue | |
| 381 EXPECT_FALSE(sink.Check(server.get(), SSE_READ)); | |
| 382 server->Close(); | |
| 383 | |
| 384 ss_.ProcessMessagesUntilIdle(); | |
| 385 | |
| 386 // Result: connection failed | |
| 387 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); | |
| 388 EXPECT_TRUE(sink.Check(client.get(), SSE_ERROR)); | |
| 389 | |
| 390 server.reset(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 391 sink.Monitor(server.get()); | |
| 392 | |
| 393 // Initiate connect | |
| 394 EXPECT_EQ(0, server->Bind(initial_addr)); | |
| 395 EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); | |
| 396 | |
| 397 EXPECT_EQ(0, server->Listen(5)); | |
| 398 EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); | |
| 399 | |
| 400 ss_.ProcessMessagesUntilIdle(); | |
| 401 | |
| 402 // Server close while socket is in accept queue | |
| 403 EXPECT_TRUE(sink.Check(server.get(), SSE_READ)); | |
| 404 server->Close(); | |
| 405 | |
| 406 ss_.ProcessMessagesUntilIdle(); | |
| 407 | |
| 408 // Result: connection failed | |
| 409 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); | |
| 410 EXPECT_TRUE(sink.Check(client.get(), SSE_ERROR)); | |
| 411 | |
| 412 // New server | |
| 413 server.reset(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 414 sink.Monitor(server.get()); | |
| 415 | |
| 416 // Initiate connect | |
| 417 EXPECT_EQ(0, server->Bind(initial_addr)); | |
| 418 EXPECT_EQ(server->GetLocalAddress().family(), initial_addr.family()); | |
| 419 | |
| 420 EXPECT_EQ(0, server->Listen(5)); | |
| 421 EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); | |
| 422 | |
| 423 ss_.ProcessMessagesUntilIdle(); | |
| 424 | |
| 425 // Server accepts connection | |
| 426 EXPECT_TRUE(sink.Check(server.get(), SSE_READ)); | |
| 427 std::unique_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); | |
| 428 ASSERT_TRUE(nullptr != accepted.get()); | |
| 429 sink.Monitor(accepted.get()); | |
| 430 | |
| 431 // Client closes before connection complets | |
| 432 EXPECT_EQ(accepted->GetState(), AsyncSocket::CS_CONNECTED); | |
| 433 | |
| 434 // Connected message has not been processed yet. | |
| 435 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CONNECTING); | |
| 436 client->Close(); | |
| 437 | |
| 438 ss_.ProcessMessagesUntilIdle(); | |
| 439 | |
| 440 // Result: accepted socket closes | |
| 441 EXPECT_EQ(accepted->GetState(), AsyncSocket::CS_CLOSED); | |
| 442 EXPECT_TRUE(sink.Check(accepted.get(), SSE_CLOSE)); | |
| 443 EXPECT_FALSE(sink.Check(client.get(), SSE_CLOSE)); | |
| 444 } | |
| 445 | |
| 446 void CloseTest(const SocketAddress& initial_addr) { | |
| 447 StreamSink sink; | |
| 448 const SocketAddress kEmptyAddr; | |
| 449 | |
| 450 // Create clients | |
| 451 std::unique_ptr<AsyncSocket> a = | |
| 452 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 453 sink.Monitor(a.get()); | |
| 454 a->Bind(initial_addr); | |
| 455 EXPECT_EQ(a->GetLocalAddress().family(), initial_addr.family()); | |
| 456 | |
| 457 std::unique_ptr<AsyncSocket> b = | |
| 458 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 459 sink.Monitor(b.get()); | |
| 460 b->Bind(initial_addr); | |
| 461 EXPECT_EQ(b->GetLocalAddress().family(), initial_addr.family()); | |
| 462 | |
| 463 EXPECT_EQ(0, a->Connect(b->GetLocalAddress())); | |
| 464 EXPECT_EQ(0, b->Connect(a->GetLocalAddress())); | |
| 465 | |
| 466 ss_.ProcessMessagesUntilIdle(); | |
| 467 | |
| 468 EXPECT_TRUE(sink.Check(a.get(), SSE_OPEN)); | |
| 469 EXPECT_EQ(a->GetState(), AsyncSocket::CS_CONNECTED); | |
| 470 EXPECT_EQ(a->GetRemoteAddress(), b->GetLocalAddress()); | |
| 471 | |
| 472 EXPECT_TRUE(sink.Check(b.get(), SSE_OPEN)); | |
| 473 EXPECT_EQ(b->GetState(), AsyncSocket::CS_CONNECTED); | |
| 474 EXPECT_EQ(b->GetRemoteAddress(), a->GetLocalAddress()); | |
| 475 | |
| 476 EXPECT_EQ(1, a->Send("a", 1)); | |
| 477 b->Close(); | |
| 478 EXPECT_EQ(1, a->Send("b", 1)); | |
| 479 | |
| 480 ss_.ProcessMessagesUntilIdle(); | |
| 481 | |
| 482 char buffer[10]; | |
| 483 EXPECT_FALSE(sink.Check(b.get(), SSE_READ)); | |
| 484 EXPECT_EQ(-1, b->Recv(buffer, 10, nullptr)); | |
| 485 | |
| 486 EXPECT_TRUE(sink.Check(a.get(), SSE_CLOSE)); | |
| 487 EXPECT_EQ(a->GetState(), AsyncSocket::CS_CLOSED); | |
| 488 EXPECT_EQ(a->GetRemoteAddress(), kEmptyAddr); | |
| 489 | |
| 490 // No signal for Closer | |
| 491 EXPECT_FALSE(sink.Check(b.get(), SSE_CLOSE)); | |
| 492 EXPECT_EQ(b->GetState(), AsyncSocket::CS_CLOSED); | |
| 493 EXPECT_EQ(b->GetRemoteAddress(), kEmptyAddr); | |
| 494 } | |
| 495 | |
| 496 void TcpSendTest(const SocketAddress& initial_addr) { | |
| 497 StreamSink sink; | |
| 498 const SocketAddress kEmptyAddr; | |
| 499 | |
| 500 // Connect two sockets | |
| 501 std::unique_ptr<AsyncSocket> a = | |
| 502 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 503 sink.Monitor(a.get()); | |
| 504 a->Bind(initial_addr); | |
| 505 EXPECT_EQ(a->GetLocalAddress().family(), initial_addr.family()); | |
| 506 | |
| 507 std::unique_ptr<AsyncSocket> b = | |
| 508 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 509 sink.Monitor(b.get()); | |
| 510 b->Bind(initial_addr); | |
| 511 EXPECT_EQ(b->GetLocalAddress().family(), initial_addr.family()); | |
| 512 | |
| 513 EXPECT_EQ(0, a->Connect(b->GetLocalAddress())); | |
| 514 EXPECT_EQ(0, b->Connect(a->GetLocalAddress())); | |
| 515 | |
| 516 ss_.ProcessMessagesUntilIdle(); | |
| 517 | |
| 518 const size_t kBufferSize = 2000; | |
| 519 ss_.set_send_buffer_capacity(kBufferSize); | |
| 520 ss_.set_recv_buffer_capacity(kBufferSize); | |
| 521 | |
| 522 const size_t kDataSize = 5000; | |
| 523 char send_buffer[kDataSize], recv_buffer[kDataSize]; | |
| 524 for (size_t i = 0; i < kDataSize; ++i) | |
| 525 send_buffer[i] = static_cast<char>(i % 256); | |
| 526 memset(recv_buffer, 0, sizeof(recv_buffer)); | |
| 527 size_t send_pos = 0, recv_pos = 0; | |
| 528 | |
| 529 // Can't send more than send buffer in one write | |
| 530 int result = a->Send(send_buffer + send_pos, kDataSize - send_pos); | |
| 531 EXPECT_EQ(static_cast<int>(kBufferSize), result); | |
| 532 send_pos += result; | |
| 533 | |
| 534 ss_.ProcessMessagesUntilIdle(); | |
| 535 EXPECT_FALSE(sink.Check(a.get(), SSE_WRITE)); | |
| 536 EXPECT_TRUE(sink.Check(b.get(), SSE_READ)); | |
| 537 | |
| 538 // Receive buffer is already filled, fill send buffer again | |
| 539 result = a->Send(send_buffer + send_pos, kDataSize - send_pos); | |
| 540 EXPECT_EQ(static_cast<int>(kBufferSize), result); | |
| 541 send_pos += result; | |
| 542 | |
| 543 ss_.ProcessMessagesUntilIdle(); | |
| 544 EXPECT_FALSE(sink.Check(a.get(), SSE_WRITE)); | |
| 545 EXPECT_FALSE(sink.Check(b.get(), SSE_READ)); | |
| 546 | |
| 547 // No more room in send or receive buffer | |
| 548 result = a->Send(send_buffer + send_pos, kDataSize - send_pos); | |
| 549 EXPECT_EQ(-1, result); | |
| 550 EXPECT_TRUE(a->IsBlocking()); | |
| 551 | |
| 552 // Read a subset of the data | |
| 553 result = b->Recv(recv_buffer + recv_pos, 500, nullptr); | |
| 554 EXPECT_EQ(500, result); | |
| 555 recv_pos += result; | |
| 556 | |
| 557 ss_.ProcessMessagesUntilIdle(); | |
| 558 EXPECT_TRUE(sink.Check(a.get(), SSE_WRITE)); | |
| 559 EXPECT_TRUE(sink.Check(b.get(), SSE_READ)); | |
| 560 | |
| 561 // Room for more on the sending side | |
| 562 result = a->Send(send_buffer + send_pos, kDataSize - send_pos); | |
| 563 EXPECT_EQ(500, result); | |
| 564 send_pos += result; | |
| 565 | |
| 566 // Empty the recv buffer | |
| 567 while (true) { | |
| 568 result = b->Recv(recv_buffer + recv_pos, kDataSize - recv_pos, nullptr); | |
| 569 if (result < 0) { | |
| 570 EXPECT_EQ(-1, result); | |
| 571 EXPECT_TRUE(b->IsBlocking()); | |
| 572 break; | |
| 573 } | |
| 574 recv_pos += result; | |
| 575 } | |
| 576 | |
| 577 ss_.ProcessMessagesUntilIdle(); | |
| 578 EXPECT_TRUE(sink.Check(b.get(), SSE_READ)); | |
| 579 | |
| 580 // Continue to empty the recv buffer | |
| 581 while (true) { | |
| 582 result = b->Recv(recv_buffer + recv_pos, kDataSize - recv_pos, nullptr); | |
| 583 if (result < 0) { | |
| 584 EXPECT_EQ(-1, result); | |
| 585 EXPECT_TRUE(b->IsBlocking()); | |
| 586 break; | |
| 587 } | |
| 588 recv_pos += result; | |
| 589 } | |
| 590 | |
| 591 // Send last of the data | |
| 592 result = a->Send(send_buffer + send_pos, kDataSize - send_pos); | |
| 593 EXPECT_EQ(500, result); | |
| 594 send_pos += result; | |
| 595 | |
| 596 ss_.ProcessMessagesUntilIdle(); | |
| 597 EXPECT_TRUE(sink.Check(b.get(), SSE_READ)); | |
| 598 | |
| 599 // Receive the last of the data | |
| 600 while (true) { | |
| 601 result = b->Recv(recv_buffer + recv_pos, kDataSize - recv_pos, nullptr); | |
| 602 if (result < 0) { | |
| 603 EXPECT_EQ(-1, result); | |
| 604 EXPECT_TRUE(b->IsBlocking()); | |
| 605 break; | |
| 606 } | |
| 607 recv_pos += result; | |
| 608 } | |
| 609 | |
| 610 ss_.ProcessMessagesUntilIdle(); | |
| 611 EXPECT_FALSE(sink.Check(b.get(), SSE_READ)); | |
| 612 | |
| 613 // The received data matches the sent data | |
| 614 EXPECT_EQ(kDataSize, send_pos); | |
| 615 EXPECT_EQ(kDataSize, recv_pos); | |
| 616 EXPECT_EQ(0, memcmp(recv_buffer, send_buffer, kDataSize)); | |
| 617 } | |
| 618 | |
| 619 void TcpSendsPacketsInOrderTest(const SocketAddress& initial_addr) { | |
| 620 const SocketAddress kEmptyAddr; | |
| 621 | |
| 622 // Connect two sockets | |
| 623 std::unique_ptr<AsyncSocket> a = | |
| 624 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 625 std::unique_ptr<AsyncSocket> b = | |
| 626 WrapUnique(ss_.CreateAsyncSocket(initial_addr.family(), SOCK_STREAM)); | |
| 627 a->Bind(initial_addr); | |
| 628 EXPECT_EQ(a->GetLocalAddress().family(), initial_addr.family()); | |
| 629 | |
| 630 b->Bind(initial_addr); | |
| 631 EXPECT_EQ(b->GetLocalAddress().family(), initial_addr.family()); | |
| 632 | |
| 633 EXPECT_EQ(0, a->Connect(b->GetLocalAddress())); | |
| 634 EXPECT_EQ(0, b->Connect(a->GetLocalAddress())); | |
| 635 ss_.ProcessMessagesUntilIdle(); | |
| 636 | |
| 637 // First, deliver all packets in 0 ms. | |
| 638 char buffer[2] = { 0, 0 }; | |
| 639 const char cNumPackets = 10; | |
| 640 for (char i = 0; i < cNumPackets; ++i) { | |
| 641 buffer[0] = '0' + i; | |
| 642 EXPECT_EQ(1, a->Send(buffer, 1)); | |
| 643 } | |
| 644 | |
| 645 ss_.ProcessMessagesUntilIdle(); | |
| 646 | |
| 647 for (char i = 0; i < cNumPackets; ++i) { | |
| 648 EXPECT_EQ(1, b->Recv(buffer, sizeof(buffer), nullptr)); | |
| 649 EXPECT_EQ(static_cast<char>('0' + i), buffer[0]); | |
| 650 } | |
| 651 | |
| 652 // Next, deliver packets at random intervals | |
| 653 const uint32_t mean = 50; | |
| 654 const uint32_t stddev = 50; | |
| 655 | |
| 656 ss_.set_delay_mean(mean); | |
| 657 ss_.set_delay_stddev(stddev); | |
| 658 ss_.UpdateDelayDistribution(); | |
| 659 | |
| 660 for (char i = 0; i < cNumPackets; ++i) { | |
| 661 buffer[0] = 'A' + i; | |
| 662 EXPECT_EQ(1, a->Send(buffer, 1)); | |
| 663 } | |
| 664 | |
| 665 ss_.ProcessMessagesUntilIdle(); | |
| 666 | |
| 667 for (char i = 0; i < cNumPackets; ++i) { | |
| 668 EXPECT_EQ(1, b->Recv(buffer, sizeof(buffer), nullptr)); | |
| 669 EXPECT_EQ(static_cast<char>('A' + i), buffer[0]); | |
| 670 } | |
| 671 } | |
| 672 | |
| 673 // It is important that initial_addr's port has to be 0 such that the | |
| 674 // incremental port behavior could ensure the 2 Binds result in different | |
| 675 // address. | |
| 676 void BandwidthTest(const SocketAddress& initial_addr) { | |
| 677 AsyncSocket* send_socket = | |
| 678 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); | |
| 679 AsyncSocket* recv_socket = | |
| 680 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); | |
| 681 ASSERT_EQ(0, send_socket->Bind(initial_addr)); | |
| 682 ASSERT_EQ(0, recv_socket->Bind(initial_addr)); | |
| 683 EXPECT_EQ(send_socket->GetLocalAddress().family(), initial_addr.family()); | |
| 684 EXPECT_EQ(recv_socket->GetLocalAddress().family(), initial_addr.family()); | |
| 685 ASSERT_EQ(0, send_socket->Connect(recv_socket->GetLocalAddress())); | |
| 686 | |
| 687 uint32_t bandwidth = 64 * 1024; | |
| 688 ss_.set_bandwidth(bandwidth); | |
| 689 | |
| 690 Thread* pthMain = Thread::Current(); | |
| 691 Sender sender(pthMain, send_socket, 80 * 1024); | |
| 692 Receiver receiver(pthMain, recv_socket, bandwidth); | |
| 693 | |
| 694 // Allow the sender to run for 5 (simulated) seconds, then be stopped for 5 | |
| 695 // seconds. | |
| 696 SIMULATED_WAIT(false, 5000, fake_clock_); | |
| 697 sender.done = true; | |
| 698 SIMULATED_WAIT(false, 5000, fake_clock_); | |
| 699 | |
| 700 // Ensure the observed bandwidth fell within a reasonable margin of error. | |
| 701 EXPECT_TRUE(receiver.count >= 5 * 3 * bandwidth / 4); | |
| 702 EXPECT_TRUE(receiver.count <= 6 * bandwidth); // queue could drain for 1s | |
| 703 | |
| 704 ss_.set_bandwidth(0); | |
| 705 } | |
| 706 | |
| 707 // It is important that initial_addr's port has to be 0 such that the | |
| 708 // incremental port behavior could ensure the 2 Binds result in different | |
| 709 // address. | |
| 710 void DelayTest(const SocketAddress& initial_addr) { | |
| 711 time_t seed = ::time(nullptr); | |
| 712 LOG(LS_VERBOSE) << "seed = " << seed; | |
| 713 srand(static_cast<unsigned int>(seed)); | |
| 714 | |
| 715 const uint32_t mean = 2000; | |
| 716 const uint32_t stddev = 500; | |
| 717 | |
| 718 ss_.set_delay_mean(mean); | |
| 719 ss_.set_delay_stddev(stddev); | |
| 720 ss_.UpdateDelayDistribution(); | |
| 721 | |
| 722 AsyncSocket* send_socket = | |
| 723 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); | |
| 724 AsyncSocket* recv_socket = | |
| 725 ss_.CreateAsyncSocket(initial_addr.family(), SOCK_DGRAM); | |
| 726 ASSERT_EQ(0, send_socket->Bind(initial_addr)); | |
| 727 ASSERT_EQ(0, recv_socket->Bind(initial_addr)); | |
| 728 EXPECT_EQ(send_socket->GetLocalAddress().family(), initial_addr.family()); | |
| 729 EXPECT_EQ(recv_socket->GetLocalAddress().family(), initial_addr.family()); | |
| 730 ASSERT_EQ(0, send_socket->Connect(recv_socket->GetLocalAddress())); | |
| 731 | |
| 732 Thread* pthMain = Thread::Current(); | |
| 733 // Avg packet size is 2K, so at 200KB/s for 10s, we should see about | |
| 734 // 1000 packets, which is necessary to get a good distribution. | |
| 735 Sender sender(pthMain, send_socket, 100 * 2 * 1024); | |
| 736 Receiver receiver(pthMain, recv_socket, 0); | |
| 737 | |
| 738 // Simulate 10 seconds of packets being sent, then check the observed delay | |
| 739 // distribution. | |
| 740 SIMULATED_WAIT(false, 10000, fake_clock_); | |
| 741 sender.done = receiver.done = true; | |
| 742 ss_.ProcessMessagesUntilIdle(); | |
| 743 | |
| 744 const double sample_mean = receiver.sum / receiver.samples; | |
| 745 double num = | |
| 746 receiver.samples * receiver.sum_sq - receiver.sum * receiver.sum; | |
| 747 double den = receiver.samples * (receiver.samples - 1); | |
| 748 const double sample_stddev = sqrt(num / den); | |
| 749 LOG(LS_VERBOSE) << "mean=" << sample_mean << " stddev=" << sample_stddev; | |
| 750 | |
| 751 EXPECT_LE(500u, receiver.samples); | |
| 752 // We initially used a 0.1 fudge factor, but on the build machine, we | |
| 753 // have seen the value differ by as much as 0.13. | |
| 754 EXPECT_NEAR(mean, sample_mean, 0.15 * mean); | |
| 755 EXPECT_NEAR(stddev, sample_stddev, 0.15 * stddev); | |
| 756 | |
| 757 ss_.set_delay_mean(0); | |
| 758 ss_.set_delay_stddev(0); | |
| 759 ss_.UpdateDelayDistribution(); | |
| 760 } | |
| 761 | |
| 762 // Test cross-family communication between a client bound to client_addr and a | |
| 763 // server bound to server_addr. shouldSucceed indicates if communication is | |
| 764 // expected to work or not. | |
| 765 void CrossFamilyConnectionTest(const SocketAddress& client_addr, | |
| 766 const SocketAddress& server_addr, | |
| 767 bool shouldSucceed) { | |
| 768 StreamSink sink; | |
| 769 SocketAddress accept_address; | |
| 770 const SocketAddress kEmptyAddr; | |
| 771 | |
| 772 // Client gets a IPv4 address | |
| 773 std::unique_ptr<AsyncSocket> client = | |
| 774 WrapUnique(ss_.CreateAsyncSocket(client_addr.family(), SOCK_STREAM)); | |
| 775 sink.Monitor(client.get()); | |
| 776 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); | |
| 777 EXPECT_EQ(client->GetLocalAddress(), kEmptyAddr); | |
| 778 client->Bind(client_addr); | |
| 779 | |
| 780 // Server gets a non-mapped non-any IPv6 address. | |
| 781 // IPv4 sockets should not be able to connect to this. | |
| 782 std::unique_ptr<AsyncSocket> server = | |
| 783 WrapUnique(ss_.CreateAsyncSocket(server_addr.family(), SOCK_STREAM)); | |
| 784 sink.Monitor(server.get()); | |
| 785 server->Bind(server_addr); | |
| 786 server->Listen(5); | |
| 787 | |
| 788 if (shouldSucceed) { | |
| 789 EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); | |
| 790 ss_.ProcessMessagesUntilIdle(); | |
| 791 EXPECT_TRUE(sink.Check(server.get(), SSE_READ)); | |
| 792 std::unique_ptr<Socket> accepted = | |
| 793 WrapUnique(server->Accept(&accept_address)); | |
| 794 EXPECT_TRUE(nullptr != accepted); | |
| 795 EXPECT_NE(kEmptyAddr, accept_address); | |
| 796 ss_.ProcessMessagesUntilIdle(); | |
| 797 EXPECT_TRUE(sink.Check(client.get(), SSE_OPEN)); | |
| 798 EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); | |
| 799 } else { | |
| 800 // Check that the connection failed. | |
| 801 EXPECT_EQ(-1, client->Connect(server->GetLocalAddress())); | |
| 802 ss_.ProcessMessagesUntilIdle(); | |
| 803 | |
| 804 EXPECT_FALSE(sink.Check(server.get(), SSE_READ)); | |
| 805 EXPECT_TRUE(nullptr == server->Accept(&accept_address)); | |
| 806 EXPECT_EQ(accept_address, kEmptyAddr); | |
| 807 EXPECT_EQ(client->GetState(), AsyncSocket::CS_CLOSED); | |
| 808 EXPECT_FALSE(sink.Check(client.get(), SSE_OPEN)); | |
| 809 EXPECT_EQ(client->GetRemoteAddress(), kEmptyAddr); | |
| 810 } | |
| 811 } | |
| 812 | |
| 813 // Test cross-family datagram sending between a client bound to client_addr | |
| 814 // and a server bound to server_addr. shouldSucceed indicates if sending is | |
| 815 // expected to succeed or not. | |
| 816 void CrossFamilyDatagramTest(const SocketAddress& client_addr, | |
| 817 const SocketAddress& server_addr, | |
| 818 bool shouldSucceed) { | |
| 819 AsyncSocket* socket = ss_.CreateAsyncSocket(SOCK_DGRAM); | |
| 820 socket->Bind(server_addr); | |
| 821 SocketAddress bound_server_addr = socket->GetLocalAddress(); | |
| 822 auto client1 = MakeUnique<TestClient>(MakeUnique<AsyncUDPSocket>(socket), | |
| 823 &fake_clock_); | |
| 824 | |
| 825 AsyncSocket* socket2 = ss_.CreateAsyncSocket(SOCK_DGRAM); | |
| 826 socket2->Bind(client_addr); | |
| 827 auto client2 = MakeUnique<TestClient>(MakeUnique<AsyncUDPSocket>(socket2), | |
| 828 &fake_clock_); | |
| 829 SocketAddress client2_addr; | |
| 830 | |
| 831 if (shouldSucceed) { | |
| 832 EXPECT_EQ(3, client2->SendTo("foo", 3, bound_server_addr)); | |
| 833 EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &client2_addr)); | |
| 834 SocketAddress client1_addr; | |
| 835 EXPECT_EQ(6, client1->SendTo("bizbaz", 6, client2_addr)); | |
| 836 EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &client1_addr)); | |
| 837 EXPECT_EQ(client1_addr, bound_server_addr); | |
| 838 } else { | |
| 839 EXPECT_EQ(-1, client2->SendTo("foo", 3, bound_server_addr)); | |
| 840 EXPECT_TRUE(client1->CheckNoPacket()); | |
| 841 } | |
| 842 } | |
| 843 | |
| 844 protected: | |
| 845 rtc::ScopedFakeClock fake_clock_; | |
| 846 VirtualSocketServer ss_; | |
| 847 AutoSocketServerThread thread_; | |
| 848 const SocketAddress kIPv4AnyAddress; | |
| 849 const SocketAddress kIPv6AnyAddress; | |
| 850 }; | |
| 851 | |
| 852 TEST_F(VirtualSocketServerTest, basic_v4) { | |
| 853 SocketAddress ipv4_test_addr(IPAddress(INADDR_ANY), 5000); | |
| 854 BasicTest(ipv4_test_addr); | |
| 855 } | |
| 856 | |
| 857 TEST_F(VirtualSocketServerTest, basic_v6) { | |
| 858 SocketAddress ipv6_test_addr(IPAddress(in6addr_any), 5000); | |
| 859 BasicTest(ipv6_test_addr); | |
| 860 } | |
| 861 | |
| 862 TEST_F(VirtualSocketServerTest, TestDefaultRoute_v4) { | |
| 863 IPAddress ipv4_default_addr(0x01020304); | |
| 864 TestDefaultRoute(ipv4_default_addr); | |
| 865 } | |
| 866 | |
| 867 TEST_F(VirtualSocketServerTest, TestDefaultRoute_v6) { | |
| 868 IPAddress ipv6_default_addr; | |
| 869 EXPECT_TRUE( | |
| 870 IPFromString("2401:fa00:4:1000:be30:5bff:fee5:c3", &ipv6_default_addr)); | |
| 871 TestDefaultRoute(ipv6_default_addr); | |
| 872 } | |
| 873 | |
| 874 TEST_F(VirtualSocketServerTest, connect_v4) { | |
| 875 ConnectTest(kIPv4AnyAddress); | |
| 876 } | |
| 877 | |
| 878 TEST_F(VirtualSocketServerTest, connect_v6) { | |
| 879 ConnectTest(kIPv6AnyAddress); | |
| 880 } | |
| 881 | |
| 882 TEST_F(VirtualSocketServerTest, connect_to_non_listener_v4) { | |
| 883 ConnectToNonListenerTest(kIPv4AnyAddress); | |
| 884 } | |
| 885 | |
| 886 TEST_F(VirtualSocketServerTest, connect_to_non_listener_v6) { | |
| 887 ConnectToNonListenerTest(kIPv6AnyAddress); | |
| 888 } | |
| 889 | |
| 890 TEST_F(VirtualSocketServerTest, close_during_connect_v4) { | |
| 891 CloseDuringConnectTest(kIPv4AnyAddress); | |
| 892 } | |
| 893 | |
| 894 TEST_F(VirtualSocketServerTest, close_during_connect_v6) { | |
| 895 CloseDuringConnectTest(kIPv6AnyAddress); | |
| 896 } | |
| 897 | |
| 898 TEST_F(VirtualSocketServerTest, close_v4) { | |
| 899 CloseTest(kIPv4AnyAddress); | |
| 900 } | |
| 901 | |
| 902 TEST_F(VirtualSocketServerTest, close_v6) { | |
| 903 CloseTest(kIPv6AnyAddress); | |
| 904 } | |
| 905 | |
| 906 TEST_F(VirtualSocketServerTest, tcp_send_v4) { | |
| 907 TcpSendTest(kIPv4AnyAddress); | |
| 908 } | |
| 909 | |
| 910 TEST_F(VirtualSocketServerTest, tcp_send_v6) { | |
| 911 TcpSendTest(kIPv6AnyAddress); | |
| 912 } | |
| 913 | |
| 914 TEST_F(VirtualSocketServerTest, TcpSendsPacketsInOrder_v4) { | |
| 915 TcpSendsPacketsInOrderTest(kIPv4AnyAddress); | |
| 916 } | |
| 917 | |
| 918 TEST_F(VirtualSocketServerTest, TcpSendsPacketsInOrder_v6) { | |
| 919 TcpSendsPacketsInOrderTest(kIPv6AnyAddress); | |
| 920 } | |
| 921 | |
| 922 TEST_F(VirtualSocketServerTest, bandwidth_v4) { | |
| 923 BandwidthTest(kIPv4AnyAddress); | |
| 924 } | |
| 925 | |
| 926 TEST_F(VirtualSocketServerTest, bandwidth_v6) { | |
| 927 BandwidthTest(kIPv6AnyAddress); | |
| 928 } | |
| 929 | |
| 930 TEST_F(VirtualSocketServerTest, delay_v4) { | |
| 931 DelayTest(kIPv4AnyAddress); | |
| 932 } | |
| 933 | |
| 934 TEST_F(VirtualSocketServerTest, delay_v6) { | |
| 935 DelayTest(kIPv6AnyAddress); | |
| 936 } | |
| 937 | |
| 938 // Works, receiving socket sees 127.0.0.2. | |
| 939 TEST_F(VirtualSocketServerTest, CanConnectFromMappedIPv6ToIPv4Any) { | |
| 940 CrossFamilyConnectionTest(SocketAddress("::ffff:127.0.0.2", 0), | |
| 941 SocketAddress("0.0.0.0", 5000), | |
| 942 true); | |
| 943 } | |
| 944 | |
| 945 // Fails. | |
| 946 TEST_F(VirtualSocketServerTest, CantConnectFromUnMappedIPv6ToIPv4Any) { | |
| 947 CrossFamilyConnectionTest(SocketAddress("::2", 0), | |
| 948 SocketAddress("0.0.0.0", 5000), | |
| 949 false); | |
| 950 } | |
| 951 | |
| 952 // Fails. | |
| 953 TEST_F(VirtualSocketServerTest, CantConnectFromUnMappedIPv6ToMappedIPv6) { | |
| 954 CrossFamilyConnectionTest(SocketAddress("::2", 0), | |
| 955 SocketAddress("::ffff:127.0.0.1", 5000), | |
| 956 false); | |
| 957 } | |
| 958 | |
| 959 // Works. receiving socket sees ::ffff:127.0.0.2. | |
| 960 TEST_F(VirtualSocketServerTest, CanConnectFromIPv4ToIPv6Any) { | |
| 961 CrossFamilyConnectionTest(SocketAddress("127.0.0.2", 0), | |
| 962 SocketAddress("::", 5000), | |
| 963 true); | |
| 964 } | |
| 965 | |
| 966 // Fails. | |
| 967 TEST_F(VirtualSocketServerTest, CantConnectFromIPv4ToUnMappedIPv6) { | |
| 968 CrossFamilyConnectionTest(SocketAddress("127.0.0.2", 0), | |
| 969 SocketAddress("::1", 5000), | |
| 970 false); | |
| 971 } | |
| 972 | |
| 973 // Works. Receiving socket sees ::ffff:127.0.0.1. | |
| 974 TEST_F(VirtualSocketServerTest, CanConnectFromIPv4ToMappedIPv6) { | |
| 975 CrossFamilyConnectionTest(SocketAddress("127.0.0.1", 0), | |
| 976 SocketAddress("::ffff:127.0.0.2", 5000), | |
| 977 true); | |
| 978 } | |
| 979 | |
| 980 // Works, receiving socket sees a result from GetNextIP. | |
| 981 TEST_F(VirtualSocketServerTest, CanConnectFromUnboundIPv6ToIPv4Any) { | |
| 982 CrossFamilyConnectionTest(SocketAddress("::", 0), | |
| 983 SocketAddress("0.0.0.0", 5000), | |
| 984 true); | |
| 985 } | |
| 986 | |
| 987 // Works, receiving socket sees whatever GetNextIP gave the client. | |
| 988 TEST_F(VirtualSocketServerTest, CanConnectFromUnboundIPv4ToIPv6Any) { | |
| 989 CrossFamilyConnectionTest(SocketAddress("0.0.0.0", 0), | |
| 990 SocketAddress("::", 5000), | |
| 991 true); | |
| 992 } | |
| 993 | |
| 994 TEST_F(VirtualSocketServerTest, CanSendDatagramFromUnboundIPv4ToIPv6Any) { | |
| 995 CrossFamilyDatagramTest(SocketAddress("0.0.0.0", 0), | |
| 996 SocketAddress("::", 5000), | |
| 997 true); | |
| 998 } | |
| 999 | |
| 1000 TEST_F(VirtualSocketServerTest, CanSendDatagramFromMappedIPv6ToIPv4Any) { | |
| 1001 CrossFamilyDatagramTest(SocketAddress("::ffff:127.0.0.1", 0), | |
| 1002 SocketAddress("0.0.0.0", 5000), | |
| 1003 true); | |
| 1004 } | |
| 1005 | |
| 1006 TEST_F(VirtualSocketServerTest, CantSendDatagramFromUnMappedIPv6ToIPv4Any) { | |
| 1007 CrossFamilyDatagramTest(SocketAddress("::2", 0), | |
| 1008 SocketAddress("0.0.0.0", 5000), | |
| 1009 false); | |
| 1010 } | |
| 1011 | |
| 1012 TEST_F(VirtualSocketServerTest, CantSendDatagramFromUnMappedIPv6ToMappedIPv6) { | |
| 1013 CrossFamilyDatagramTest(SocketAddress("::2", 0), | |
| 1014 SocketAddress("::ffff:127.0.0.1", 5000), | |
| 1015 false); | |
| 1016 } | |
| 1017 | |
| 1018 TEST_F(VirtualSocketServerTest, CanSendDatagramFromIPv4ToIPv6Any) { | |
| 1019 CrossFamilyDatagramTest(SocketAddress("127.0.0.2", 0), | |
| 1020 SocketAddress("::", 5000), | |
| 1021 true); | |
| 1022 } | |
| 1023 | |
| 1024 TEST_F(VirtualSocketServerTest, CantSendDatagramFromIPv4ToUnMappedIPv6) { | |
| 1025 CrossFamilyDatagramTest(SocketAddress("127.0.0.2", 0), | |
| 1026 SocketAddress("::1", 5000), | |
| 1027 false); | |
| 1028 } | |
| 1029 | |
| 1030 TEST_F(VirtualSocketServerTest, CanSendDatagramFromIPv4ToMappedIPv6) { | |
| 1031 CrossFamilyDatagramTest(SocketAddress("127.0.0.1", 0), | |
| 1032 SocketAddress("::ffff:127.0.0.2", 5000), | |
| 1033 true); | |
| 1034 } | |
| 1035 | |
| 1036 TEST_F(VirtualSocketServerTest, CanSendDatagramFromUnboundIPv6ToIPv4Any) { | |
| 1037 CrossFamilyDatagramTest(SocketAddress("::", 0), | |
| 1038 SocketAddress("0.0.0.0", 5000), | |
| 1039 true); | |
| 1040 } | |
| 1041 | |
| 1042 TEST_F(VirtualSocketServerTest, SetSendingBlockedWithUdpSocket) { | |
| 1043 AsyncSocket* socket1 = | |
| 1044 ss_.CreateAsyncSocket(kIPv4AnyAddress.family(), SOCK_DGRAM); | |
| 1045 std::unique_ptr<AsyncSocket> socket2 = | |
| 1046 WrapUnique(ss_.CreateAsyncSocket(kIPv4AnyAddress.family(), SOCK_DGRAM)); | |
| 1047 socket1->Bind(kIPv4AnyAddress); | |
| 1048 socket2->Bind(kIPv4AnyAddress); | |
| 1049 auto client1 = | |
| 1050 MakeUnique<TestClient>(MakeUnique<AsyncUDPSocket>(socket1), &fake_clock_); | |
| 1051 | |
| 1052 ss_.SetSendingBlocked(true); | |
| 1053 EXPECT_EQ(-1, client1->SendTo("foo", 3, socket2->GetLocalAddress())); | |
| 1054 EXPECT_TRUE(socket1->IsBlocking()); | |
| 1055 EXPECT_EQ(0, client1->ready_to_send_count()); | |
| 1056 | |
| 1057 ss_.SetSendingBlocked(false); | |
| 1058 EXPECT_EQ(1, client1->ready_to_send_count()); | |
| 1059 EXPECT_EQ(3, client1->SendTo("foo", 3, socket2->GetLocalAddress())); | |
| 1060 } | |
| 1061 | |
| 1062 TEST_F(VirtualSocketServerTest, SetSendingBlockedWithTcpSocket) { | |
| 1063 constexpr size_t kBufferSize = 1024; | |
| 1064 ss_.set_send_buffer_capacity(kBufferSize); | |
| 1065 ss_.set_recv_buffer_capacity(kBufferSize); | |
| 1066 | |
| 1067 StreamSink sink; | |
| 1068 std::unique_ptr<AsyncSocket> socket1 = | |
| 1069 WrapUnique(ss_.CreateAsyncSocket(kIPv4AnyAddress.family(), SOCK_STREAM)); | |
| 1070 std::unique_ptr<AsyncSocket> socket2 = | |
| 1071 WrapUnique(ss_.CreateAsyncSocket(kIPv4AnyAddress.family(), SOCK_STREAM)); | |
| 1072 sink.Monitor(socket1.get()); | |
| 1073 sink.Monitor(socket2.get()); | |
| 1074 socket1->Bind(kIPv4AnyAddress); | |
| 1075 socket2->Bind(kIPv4AnyAddress); | |
| 1076 | |
| 1077 // Connect sockets. | |
| 1078 EXPECT_EQ(0, socket1->Connect(socket2->GetLocalAddress())); | |
| 1079 EXPECT_EQ(0, socket2->Connect(socket1->GetLocalAddress())); | |
| 1080 ss_.ProcessMessagesUntilIdle(); | |
| 1081 | |
| 1082 char data[kBufferSize] = {}; | |
| 1083 | |
| 1084 // First Send call will fill the send buffer but not send anything. | |
| 1085 ss_.SetSendingBlocked(true); | |
| 1086 EXPECT_EQ(static_cast<int>(kBufferSize), socket1->Send(data, kBufferSize)); | |
| 1087 ss_.ProcessMessagesUntilIdle(); | |
| 1088 EXPECT_FALSE(sink.Check(socket1.get(), SSE_WRITE)); | |
| 1089 EXPECT_FALSE(sink.Check(socket2.get(), SSE_READ)); | |
| 1090 EXPECT_FALSE(socket1->IsBlocking()); | |
| 1091 | |
| 1092 // Since the send buffer is full, next Send will result in EWOULDBLOCK. | |
| 1093 EXPECT_EQ(-1, socket1->Send(data, kBufferSize)); | |
| 1094 EXPECT_FALSE(sink.Check(socket1.get(), SSE_WRITE)); | |
| 1095 EXPECT_FALSE(sink.Check(socket2.get(), SSE_READ)); | |
| 1096 EXPECT_TRUE(socket1->IsBlocking()); | |
| 1097 | |
| 1098 // When sending is unblocked, the buffered data should be sent and | |
| 1099 // SignalWriteEvent should fire. | |
| 1100 ss_.SetSendingBlocked(false); | |
| 1101 ss_.ProcessMessagesUntilIdle(); | |
| 1102 EXPECT_TRUE(sink.Check(socket1.get(), SSE_WRITE)); | |
| 1103 EXPECT_TRUE(sink.Check(socket2.get(), SSE_READ)); | |
| 1104 } | |
| 1105 | |
| 1106 TEST_F(VirtualSocketServerTest, CreatesStandardDistribution) { | |
| 1107 const uint32_t kTestMean[] = {10, 100, 333, 1000}; | |
| 1108 const double kTestDev[] = { 0.25, 0.1, 0.01 }; | |
| 1109 // TODO(deadbeef): The current code only works for 1000 data points or more. | |
| 1110 const uint32_t kTestSamples[] = {/*10, 100,*/ 1000}; | |
| 1111 for (size_t midx = 0; midx < arraysize(kTestMean); ++midx) { | |
| 1112 for (size_t didx = 0; didx < arraysize(kTestDev); ++didx) { | |
| 1113 for (size_t sidx = 0; sidx < arraysize(kTestSamples); ++sidx) { | |
| 1114 ASSERT_LT(0u, kTestSamples[sidx]); | |
| 1115 const uint32_t kStdDev = | |
| 1116 static_cast<uint32_t>(kTestDev[didx] * kTestMean[midx]); | |
| 1117 VirtualSocketServer::Function* f = | |
| 1118 VirtualSocketServer::CreateDistribution(kTestMean[midx], | |
| 1119 kStdDev, | |
| 1120 kTestSamples[sidx]); | |
| 1121 ASSERT_TRUE(nullptr != f); | |
| 1122 ASSERT_EQ(kTestSamples[sidx], f->size()); | |
| 1123 double sum = 0; | |
| 1124 for (uint32_t i = 0; i < f->size(); ++i) { | |
| 1125 sum += (*f)[i].second; | |
| 1126 } | |
| 1127 const double mean = sum / f->size(); | |
| 1128 double sum_sq_dev = 0; | |
| 1129 for (uint32_t i = 0; i < f->size(); ++i) { | |
| 1130 double dev = (*f)[i].second - mean; | |
| 1131 sum_sq_dev += dev * dev; | |
| 1132 } | |
| 1133 const double stddev = sqrt(sum_sq_dev / f->size()); | |
| 1134 EXPECT_NEAR(kTestMean[midx], mean, 0.1 * kTestMean[midx]) | |
| 1135 << "M=" << kTestMean[midx] | |
| 1136 << " SD=" << kStdDev | |
| 1137 << " N=" << kTestSamples[sidx]; | |
| 1138 EXPECT_NEAR(kStdDev, stddev, 0.1 * kStdDev) | |
| 1139 << "M=" << kTestMean[midx] | |
| 1140 << " SD=" << kStdDev | |
| 1141 << " N=" << kTestSamples[sidx]; | |
| 1142 delete f; | |
| 1143 } | |
| 1144 } | |
| 1145 } | |
| 1146 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2877023002:
Move webrtc/{base => rtc_base} (Closed)
