henrike@webrtc.org | f7795df | 2014-05-13 18:00:26 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2007 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 "webrtc/base/socket_unittest.h" |
| 12 | |
| 13 | #include "webrtc/base/asyncudpsocket.h" |
| 14 | #include "webrtc/base/gunit.h" |
| 15 | #include "webrtc/base/nethelpers.h" |
| 16 | #include "webrtc/base/socketserver.h" |
| 17 | #include "webrtc/base/testclient.h" |
| 18 | #include "webrtc/base/testutils.h" |
| 19 | #include "webrtc/base/thread.h" |
| 20 | |
| 21 | namespace rtc { |
| 22 | |
| 23 | #define MAYBE_SKIP_IPV6 \ |
| 24 | if (!HasIPv6Enabled()) { \ |
| 25 | LOG(LS_INFO) << "No IPv6... skipping"; \ |
| 26 | return; \ |
| 27 | } |
| 28 | |
| 29 | |
| 30 | void SocketTest::TestConnectIPv4() { |
| 31 | ConnectInternal(kIPv4Loopback); |
| 32 | } |
| 33 | |
| 34 | void SocketTest::TestConnectIPv6() { |
| 35 | MAYBE_SKIP_IPV6; |
| 36 | ConnectInternal(kIPv6Loopback); |
| 37 | } |
| 38 | |
| 39 | void SocketTest::TestConnectWithDnsLookupIPv4() { |
| 40 | ConnectWithDnsLookupInternal(kIPv4Loopback, "localhost"); |
| 41 | } |
| 42 | |
| 43 | void SocketTest::TestConnectWithDnsLookupIPv6() { |
| 44 | // TODO: Enable this when DNS resolution supports IPv6. |
| 45 | LOG(LS_INFO) << "Skipping IPv6 DNS test"; |
| 46 | // ConnectWithDnsLookupInternal(kIPv6Loopback, "localhost6"); |
| 47 | } |
| 48 | |
| 49 | void SocketTest::TestConnectFailIPv4() { |
| 50 | ConnectFailInternal(kIPv4Loopback); |
| 51 | } |
| 52 | |
| 53 | void SocketTest::TestConnectFailIPv6() { |
| 54 | MAYBE_SKIP_IPV6; |
| 55 | ConnectFailInternal(kIPv6Loopback); |
| 56 | } |
| 57 | |
| 58 | void SocketTest::TestConnectWithDnsLookupFailIPv4() { |
| 59 | ConnectWithDnsLookupFailInternal(kIPv4Loopback); |
| 60 | } |
| 61 | |
| 62 | void SocketTest::TestConnectWithDnsLookupFailIPv6() { |
| 63 | MAYBE_SKIP_IPV6; |
| 64 | ConnectWithDnsLookupFailInternal(kIPv6Loopback); |
| 65 | } |
| 66 | |
| 67 | void SocketTest::TestConnectWithClosedSocketIPv4() { |
| 68 | ConnectWithClosedSocketInternal(kIPv4Loopback); |
| 69 | } |
| 70 | |
| 71 | void SocketTest::TestConnectWithClosedSocketIPv6() { |
| 72 | MAYBE_SKIP_IPV6; |
| 73 | ConnectWithClosedSocketInternal(kIPv6Loopback); |
| 74 | } |
| 75 | |
| 76 | void SocketTest::TestConnectWhileNotClosedIPv4() { |
| 77 | ConnectWhileNotClosedInternal(kIPv4Loopback); |
| 78 | } |
| 79 | |
| 80 | void SocketTest::TestConnectWhileNotClosedIPv6() { |
| 81 | MAYBE_SKIP_IPV6; |
| 82 | ConnectWhileNotClosedInternal(kIPv6Loopback); |
| 83 | } |
| 84 | |
| 85 | void SocketTest::TestServerCloseDuringConnectIPv4() { |
| 86 | ServerCloseDuringConnectInternal(kIPv4Loopback); |
| 87 | } |
| 88 | |
| 89 | void SocketTest::TestServerCloseDuringConnectIPv6() { |
| 90 | MAYBE_SKIP_IPV6; |
| 91 | ServerCloseDuringConnectInternal(kIPv6Loopback); |
| 92 | } |
| 93 | |
| 94 | void SocketTest::TestClientCloseDuringConnectIPv4() { |
| 95 | ClientCloseDuringConnectInternal(kIPv4Loopback); |
| 96 | } |
| 97 | |
| 98 | void SocketTest::TestClientCloseDuringConnectIPv6() { |
| 99 | MAYBE_SKIP_IPV6; |
| 100 | ClientCloseDuringConnectInternal(kIPv6Loopback); |
| 101 | } |
| 102 | |
| 103 | void SocketTest::TestServerCloseIPv4() { |
| 104 | ServerCloseInternal(kIPv4Loopback); |
| 105 | } |
| 106 | |
| 107 | void SocketTest::TestServerCloseIPv6() { |
| 108 | MAYBE_SKIP_IPV6; |
| 109 | ServerCloseInternal(kIPv6Loopback); |
| 110 | } |
| 111 | |
| 112 | void SocketTest::TestCloseInClosedCallbackIPv4() { |
| 113 | CloseInClosedCallbackInternal(kIPv4Loopback); |
| 114 | } |
| 115 | |
| 116 | void SocketTest::TestCloseInClosedCallbackIPv6() { |
| 117 | MAYBE_SKIP_IPV6; |
| 118 | CloseInClosedCallbackInternal(kIPv6Loopback); |
| 119 | } |
| 120 | |
| 121 | void SocketTest::TestSocketServerWaitIPv4() { |
| 122 | SocketServerWaitInternal(kIPv4Loopback); |
| 123 | } |
| 124 | |
| 125 | void SocketTest::TestSocketServerWaitIPv6() { |
| 126 | MAYBE_SKIP_IPV6; |
| 127 | SocketServerWaitInternal(kIPv6Loopback); |
| 128 | } |
| 129 | |
| 130 | void SocketTest::TestTcpIPv4() { |
| 131 | TcpInternal(kIPv4Loopback); |
| 132 | } |
| 133 | |
| 134 | void SocketTest::TestTcpIPv6() { |
| 135 | MAYBE_SKIP_IPV6; |
| 136 | TcpInternal(kIPv6Loopback); |
| 137 | } |
| 138 | |
| 139 | void SocketTest::TestSingleFlowControlCallbackIPv4() { |
| 140 | SingleFlowControlCallbackInternal(kIPv4Loopback); |
| 141 | } |
| 142 | |
| 143 | void SocketTest::TestSingleFlowControlCallbackIPv6() { |
| 144 | MAYBE_SKIP_IPV6; |
| 145 | SingleFlowControlCallbackInternal(kIPv6Loopback); |
| 146 | } |
| 147 | |
| 148 | void SocketTest::TestUdpIPv4() { |
| 149 | UdpInternal(kIPv4Loopback); |
| 150 | } |
| 151 | |
| 152 | void SocketTest::TestUdpIPv6() { |
| 153 | MAYBE_SKIP_IPV6; |
| 154 | UdpInternal(kIPv6Loopback); |
| 155 | } |
| 156 | |
| 157 | void SocketTest::TestUdpReadyToSendIPv4() { |
| 158 | #if !defined(WEBRTC_MAC) |
| 159 | // TODO(ronghuawu): Enable this test on mac/ios. |
| 160 | UdpReadyToSend(kIPv4Loopback); |
| 161 | #endif |
| 162 | } |
| 163 | |
| 164 | void SocketTest::TestUdpReadyToSendIPv6() { |
| 165 | #if defined(WEBRTC_WIN) |
| 166 | // TODO(ronghuawu): Enable this test (currently flakey) on mac and linux. |
| 167 | MAYBE_SKIP_IPV6; |
| 168 | UdpReadyToSend(kIPv6Loopback); |
| 169 | #endif |
| 170 | } |
| 171 | |
| 172 | void SocketTest::TestGetSetOptionsIPv4() { |
| 173 | GetSetOptionsInternal(kIPv4Loopback); |
| 174 | } |
| 175 | |
| 176 | void SocketTest::TestGetSetOptionsIPv6() { |
| 177 | MAYBE_SKIP_IPV6; |
| 178 | GetSetOptionsInternal(kIPv6Loopback); |
| 179 | } |
| 180 | |
| 181 | // For unbound sockets, GetLocalAddress / GetRemoteAddress return AF_UNSPEC |
| 182 | // values on Windows, but an empty address of the same family on Linux/MacOS X. |
| 183 | bool IsUnspecOrEmptyIP(const IPAddress& address) { |
| 184 | #if !defined(WEBRTC_WIN) |
| 185 | return IPIsAny(address); |
| 186 | #else |
| 187 | return address.family() == AF_UNSPEC; |
| 188 | #endif |
| 189 | } |
| 190 | |
| 191 | void SocketTest::ConnectInternal(const IPAddress& loopback) { |
| 192 | testing::StreamSink sink; |
| 193 | SocketAddress accept_addr; |
| 194 | |
| 195 | // Create client. |
| 196 | scoped_ptr<AsyncSocket> client(ss_->CreateAsyncSocket(loopback.family(), |
| 197 | SOCK_STREAM)); |
| 198 | sink.Monitor(client.get()); |
| 199 | EXPECT_EQ(AsyncSocket::CS_CLOSED, client->GetState()); |
| 200 | EXPECT_PRED1(IsUnspecOrEmptyIP, client->GetLocalAddress().ipaddr()); |
| 201 | |
| 202 | // Create server and listen. |
| 203 | scoped_ptr<AsyncSocket> server( |
| 204 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 205 | sink.Monitor(server.get()); |
| 206 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 207 | EXPECT_EQ(0, server->Listen(5)); |
| 208 | EXPECT_EQ(AsyncSocket::CS_CONNECTING, server->GetState()); |
| 209 | |
| 210 | // Ensure no pending server connections, since we haven't done anything yet. |
| 211 | EXPECT_FALSE(sink.Check(server.get(), testing::SSE_READ)); |
| 212 | EXPECT_TRUE(NULL == server->Accept(&accept_addr)); |
| 213 | EXPECT_TRUE(accept_addr.IsNil()); |
| 214 | |
| 215 | // Attempt connect to listening socket. |
| 216 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 217 | EXPECT_FALSE(client->GetLocalAddress().IsNil()); |
| 218 | EXPECT_NE(server->GetLocalAddress(), client->GetLocalAddress()); |
| 219 | |
| 220 | // Client is connecting, outcome not yet determined. |
| 221 | EXPECT_EQ(AsyncSocket::CS_CONNECTING, client->GetState()); |
| 222 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 223 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 224 | |
| 225 | // Server has pending connection, accept it. |
| 226 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 227 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 228 | ASSERT_TRUE(accepted); |
| 229 | EXPECT_FALSE(accept_addr.IsNil()); |
| 230 | EXPECT_EQ(accepted->GetRemoteAddress(), accept_addr); |
| 231 | |
| 232 | // Connected from server perspective, check the addresses are correct. |
| 233 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, accepted->GetState()); |
| 234 | EXPECT_EQ(server->GetLocalAddress(), accepted->GetLocalAddress()); |
| 235 | EXPECT_EQ(client->GetLocalAddress(), accepted->GetRemoteAddress()); |
| 236 | |
| 237 | // Connected from client perspective, check the addresses are correct. |
| 238 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 239 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 240 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 241 | EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); |
| 242 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 243 | } |
| 244 | |
| 245 | void SocketTest::ConnectWithDnsLookupInternal(const IPAddress& loopback, |
| 246 | const std::string& host) { |
| 247 | testing::StreamSink sink; |
| 248 | SocketAddress accept_addr; |
| 249 | |
| 250 | // Create client. |
| 251 | scoped_ptr<AsyncSocket> client( |
| 252 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 253 | sink.Monitor(client.get()); |
| 254 | |
| 255 | // Create server and listen. |
| 256 | scoped_ptr<AsyncSocket> server( |
| 257 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 258 | sink.Monitor(server.get()); |
| 259 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 260 | EXPECT_EQ(0, server->Listen(5)); |
| 261 | |
| 262 | // Attempt connect to listening socket. |
| 263 | SocketAddress dns_addr(server->GetLocalAddress()); |
| 264 | dns_addr.SetIP(host); |
| 265 | EXPECT_EQ(0, client->Connect(dns_addr)); |
| 266 | // TODO: Bind when doing DNS lookup. |
| 267 | //EXPECT_NE(kEmptyAddr, client->GetLocalAddress()); // Implicit Bind |
| 268 | |
| 269 | // Client is connecting, outcome not yet determined. |
| 270 | EXPECT_EQ(AsyncSocket::CS_CONNECTING, client->GetState()); |
| 271 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 272 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 273 | |
| 274 | // Server has pending connection, accept it. |
| 275 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 276 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 277 | ASSERT_TRUE(accepted); |
| 278 | EXPECT_FALSE(accept_addr.IsNil()); |
| 279 | EXPECT_EQ(accepted->GetRemoteAddress(), accept_addr); |
| 280 | |
| 281 | // Connected from server perspective, check the addresses are correct. |
| 282 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, accepted->GetState()); |
| 283 | EXPECT_EQ(server->GetLocalAddress(), accepted->GetLocalAddress()); |
| 284 | EXPECT_EQ(client->GetLocalAddress(), accepted->GetRemoteAddress()); |
| 285 | |
| 286 | // Connected from client perspective, check the addresses are correct. |
| 287 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 288 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 289 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 290 | EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); |
| 291 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 292 | } |
| 293 | |
| 294 | void SocketTest::ConnectFailInternal(const IPAddress& loopback) { |
| 295 | testing::StreamSink sink; |
| 296 | SocketAddress accept_addr; |
| 297 | |
| 298 | // Create client. |
| 299 | scoped_ptr<AsyncSocket> client( |
| 300 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 301 | sink.Monitor(client.get()); |
| 302 | |
| 303 | // Create server, but don't listen yet. |
| 304 | scoped_ptr<AsyncSocket> server( |
| 305 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 306 | sink.Monitor(server.get()); |
| 307 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 308 | |
| 309 | // Attempt connect to a non-existent socket. |
| 310 | // We don't connect to the server socket created above, since on |
| 311 | // MacOS it takes about 75 seconds to get back an error! |
| 312 | SocketAddress bogus_addr(loopback, 65535); |
| 313 | EXPECT_EQ(0, client->Connect(bogus_addr)); |
| 314 | |
| 315 | // Wait for connection to fail (ECONNREFUSED). |
| 316 | EXPECT_EQ_WAIT(AsyncSocket::CS_CLOSED, client->GetState(), kTimeout); |
| 317 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 318 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_ERROR)); |
| 319 | EXPECT_TRUE(client->GetRemoteAddress().IsNil()); |
| 320 | |
| 321 | // Should be no pending server connections. |
| 322 | EXPECT_FALSE(sink.Check(server.get(), testing::SSE_READ)); |
| 323 | EXPECT_TRUE(NULL == server->Accept(&accept_addr)); |
| 324 | EXPECT_EQ(IPAddress(), accept_addr.ipaddr()); |
| 325 | } |
| 326 | |
| 327 | void SocketTest::ConnectWithDnsLookupFailInternal(const IPAddress& loopback) { |
| 328 | testing::StreamSink sink; |
| 329 | SocketAddress accept_addr; |
| 330 | |
| 331 | // Create client. |
| 332 | scoped_ptr<AsyncSocket> client( |
| 333 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 334 | sink.Monitor(client.get()); |
| 335 | |
| 336 | // Create server, but don't listen yet. |
| 337 | scoped_ptr<AsyncSocket> server( |
| 338 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 339 | sink.Monitor(server.get()); |
| 340 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 341 | |
| 342 | // Attempt connect to a non-existent host. |
| 343 | // We don't connect to the server socket created above, since on |
| 344 | // MacOS it takes about 75 seconds to get back an error! |
| 345 | SocketAddress bogus_dns_addr("not-a-real-hostname", 65535); |
| 346 | EXPECT_EQ(0, client->Connect(bogus_dns_addr)); |
| 347 | |
| 348 | // Wait for connection to fail (EHOSTNOTFOUND). |
| 349 | bool dns_lookup_finished = false; |
| 350 | WAIT_(client->GetState() == AsyncSocket::CS_CLOSED, kTimeout, |
| 351 | dns_lookup_finished); |
| 352 | if (!dns_lookup_finished) { |
| 353 | LOG(LS_WARNING) << "Skipping test; DNS resolution took longer than 5 " |
| 354 | << "seconds."; |
| 355 | return; |
| 356 | } |
| 357 | |
| 358 | EXPECT_EQ_WAIT(AsyncSocket::CS_CLOSED, client->GetState(), kTimeout); |
| 359 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 360 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_ERROR)); |
| 361 | EXPECT_TRUE(client->GetRemoteAddress().IsNil()); |
| 362 | // Should be no pending server connections. |
| 363 | EXPECT_FALSE(sink.Check(server.get(), testing::SSE_READ)); |
| 364 | EXPECT_TRUE(NULL == server->Accept(&accept_addr)); |
| 365 | EXPECT_TRUE(accept_addr.IsNil()); |
| 366 | } |
| 367 | |
| 368 | void SocketTest::ConnectWithClosedSocketInternal(const IPAddress& loopback) { |
| 369 | // Create server and listen. |
| 370 | scoped_ptr<AsyncSocket> server( |
| 371 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 372 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 373 | EXPECT_EQ(0, server->Listen(5)); |
| 374 | |
| 375 | // Create a client and put in to CS_CLOSED state. |
| 376 | scoped_ptr<AsyncSocket> client( |
| 377 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 378 | EXPECT_EQ(0, client->Close()); |
| 379 | EXPECT_EQ(AsyncSocket::CS_CLOSED, client->GetState()); |
| 380 | |
| 381 | // Connect() should reinitialize the socket, and put it in to CS_CONNECTING. |
| 382 | EXPECT_EQ(0, client->Connect(SocketAddress(server->GetLocalAddress()))); |
| 383 | EXPECT_EQ(AsyncSocket::CS_CONNECTING, client->GetState()); |
| 384 | } |
| 385 | |
| 386 | void SocketTest::ConnectWhileNotClosedInternal(const IPAddress& loopback) { |
| 387 | // Create server and listen. |
| 388 | testing::StreamSink sink; |
| 389 | scoped_ptr<AsyncSocket> server( |
| 390 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 391 | sink.Monitor(server.get()); |
| 392 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 393 | EXPECT_EQ(0, server->Listen(5)); |
| 394 | // Create client, connect. |
| 395 | scoped_ptr<AsyncSocket> client( |
| 396 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 397 | EXPECT_EQ(0, client->Connect(SocketAddress(server->GetLocalAddress()))); |
| 398 | EXPECT_EQ(AsyncSocket::CS_CONNECTING, client->GetState()); |
| 399 | // Try to connect again. Should fail, but not interfere with original attempt. |
| 400 | EXPECT_EQ(SOCKET_ERROR, |
| 401 | client->Connect(SocketAddress(server->GetLocalAddress()))); |
| 402 | |
| 403 | // Accept the original connection. |
| 404 | SocketAddress accept_addr; |
| 405 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 406 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 407 | ASSERT_TRUE(accepted); |
| 408 | EXPECT_FALSE(accept_addr.IsNil()); |
| 409 | |
| 410 | // Check the states and addresses. |
| 411 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, accepted->GetState()); |
| 412 | EXPECT_EQ(server->GetLocalAddress(), accepted->GetLocalAddress()); |
| 413 | EXPECT_EQ(client->GetLocalAddress(), accepted->GetRemoteAddress()); |
| 414 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 415 | EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); |
| 416 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 417 | |
| 418 | // Try to connect again, to an unresolved hostname. |
| 419 | // Shouldn't break anything. |
| 420 | EXPECT_EQ(SOCKET_ERROR, |
| 421 | client->Connect(SocketAddress("localhost", |
| 422 | server->GetLocalAddress().port()))); |
| 423 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, accepted->GetState()); |
| 424 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, client->GetState()); |
| 425 | EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); |
| 426 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 427 | } |
| 428 | |
| 429 | void SocketTest::ServerCloseDuringConnectInternal(const IPAddress& loopback) { |
| 430 | testing::StreamSink sink; |
| 431 | |
| 432 | // Create client. |
| 433 | scoped_ptr<AsyncSocket> client( |
| 434 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 435 | sink.Monitor(client.get()); |
| 436 | |
| 437 | // Create server and listen. |
| 438 | scoped_ptr<AsyncSocket> server( |
| 439 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 440 | sink.Monitor(server.get()); |
| 441 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 442 | EXPECT_EQ(0, server->Listen(5)); |
| 443 | |
| 444 | // Attempt connect to listening socket. |
| 445 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 446 | |
| 447 | // Close down the server while the socket is in the accept queue. |
| 448 | EXPECT_TRUE_WAIT(sink.Check(server.get(), testing::SSE_READ), kTimeout); |
| 449 | server->Close(); |
| 450 | |
| 451 | // This should fail the connection for the client. Clean up. |
| 452 | EXPECT_EQ_WAIT(AsyncSocket::CS_CLOSED, client->GetState(), kTimeout); |
| 453 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_ERROR)); |
| 454 | client->Close(); |
| 455 | } |
| 456 | |
| 457 | void SocketTest::ClientCloseDuringConnectInternal(const IPAddress& loopback) { |
| 458 | testing::StreamSink sink; |
| 459 | SocketAddress accept_addr; |
| 460 | |
| 461 | // Create client. |
| 462 | scoped_ptr<AsyncSocket> client( |
| 463 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 464 | sink.Monitor(client.get()); |
| 465 | |
| 466 | // Create server and listen. |
| 467 | scoped_ptr<AsyncSocket> server( |
| 468 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 469 | sink.Monitor(server.get()); |
| 470 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 471 | EXPECT_EQ(0, server->Listen(5)); |
| 472 | |
| 473 | // Attempt connect to listening socket. |
| 474 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 475 | |
| 476 | // Close down the client while the socket is in the accept queue. |
| 477 | EXPECT_TRUE_WAIT(sink.Check(server.get(), testing::SSE_READ), kTimeout); |
| 478 | client->Close(); |
| 479 | |
| 480 | // The connection should still be able to be accepted. |
| 481 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 482 | ASSERT_TRUE(accepted); |
| 483 | sink.Monitor(accepted.get()); |
| 484 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, accepted->GetState()); |
| 485 | |
| 486 | // The accepted socket should then close (possibly with err, timing-related) |
| 487 | EXPECT_EQ_WAIT(AsyncSocket::CS_CLOSED, accepted->GetState(), kTimeout); |
| 488 | EXPECT_TRUE(sink.Check(accepted.get(), testing::SSE_CLOSE) || |
| 489 | sink.Check(accepted.get(), testing::SSE_ERROR)); |
| 490 | |
| 491 | // The client should not get a close event. |
| 492 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 493 | } |
| 494 | |
| 495 | void SocketTest::ServerCloseInternal(const IPAddress& loopback) { |
| 496 | testing::StreamSink sink; |
| 497 | SocketAddress accept_addr; |
| 498 | |
| 499 | // Create client. |
| 500 | scoped_ptr<AsyncSocket> client( |
| 501 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 502 | sink.Monitor(client.get()); |
| 503 | |
| 504 | // Create server and listen. |
| 505 | scoped_ptr<AsyncSocket> server( |
| 506 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 507 | sink.Monitor(server.get()); |
| 508 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 509 | EXPECT_EQ(0, server->Listen(5)); |
| 510 | |
| 511 | // Attempt connection. |
| 512 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 513 | |
| 514 | // Accept connection. |
| 515 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 516 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 517 | ASSERT_TRUE(accepted); |
| 518 | sink.Monitor(accepted.get()); |
| 519 | |
| 520 | // Both sides are now connected. |
| 521 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 522 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 523 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 524 | EXPECT_EQ(accepted->GetRemoteAddress(), client->GetLocalAddress()); |
| 525 | |
| 526 | // Send data to the client, and then close the connection. |
| 527 | EXPECT_EQ(1, accepted->Send("a", 1)); |
| 528 | accepted->Close(); |
| 529 | EXPECT_EQ(AsyncSocket::CS_CLOSED, accepted->GetState()); |
| 530 | |
| 531 | // Expect that the client is notified, and has not yet closed. |
| 532 | EXPECT_TRUE_WAIT(sink.Check(client.get(), testing::SSE_READ), kTimeout); |
| 533 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 534 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, client->GetState()); |
| 535 | |
| 536 | // Ensure the data can be read. |
| 537 | char buffer[10]; |
| 538 | EXPECT_EQ(1, client->Recv(buffer, sizeof(buffer))); |
| 539 | EXPECT_EQ('a', buffer[0]); |
| 540 | |
| 541 | // Now we should close, but the remote address will remain. |
| 542 | EXPECT_EQ_WAIT(AsyncSocket::CS_CLOSED, client->GetState(), kTimeout); |
| 543 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 544 | EXPECT_FALSE(client->GetRemoteAddress().IsAnyIP()); |
| 545 | |
| 546 | // The closer should not get a close signal. |
| 547 | EXPECT_FALSE(sink.Check(accepted.get(), testing::SSE_CLOSE)); |
| 548 | EXPECT_TRUE(accepted->GetRemoteAddress().IsNil()); |
| 549 | |
| 550 | // And the closee should only get a single signal. |
| 551 | Thread::Current()->ProcessMessages(0); |
| 552 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 553 | |
| 554 | // Close down the client and ensure all is good. |
| 555 | client->Close(); |
| 556 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 557 | EXPECT_TRUE(client->GetRemoteAddress().IsNil()); |
| 558 | } |
| 559 | |
| 560 | class SocketCloser : public sigslot::has_slots<> { |
| 561 | public: |
| 562 | void OnClose(AsyncSocket* socket, int error) { |
| 563 | socket->Close(); // Deleting here would blow up the vector of handlers |
| 564 | // for the socket's signal. |
| 565 | } |
| 566 | }; |
| 567 | |
| 568 | void SocketTest::CloseInClosedCallbackInternal(const IPAddress& loopback) { |
| 569 | testing::StreamSink sink; |
| 570 | SocketCloser closer; |
| 571 | SocketAddress accept_addr; |
| 572 | |
| 573 | // Create client. |
| 574 | scoped_ptr<AsyncSocket> client( |
| 575 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 576 | sink.Monitor(client.get()); |
| 577 | client->SignalCloseEvent.connect(&closer, &SocketCloser::OnClose); |
| 578 | |
| 579 | // Create server and listen. |
| 580 | scoped_ptr<AsyncSocket> server( |
| 581 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 582 | sink.Monitor(server.get()); |
| 583 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 584 | EXPECT_EQ(0, server->Listen(5)); |
| 585 | |
| 586 | // Attempt connection. |
| 587 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 588 | |
| 589 | // Accept connection. |
| 590 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 591 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 592 | ASSERT_TRUE(accepted); |
| 593 | sink.Monitor(accepted.get()); |
| 594 | |
| 595 | // Both sides are now connected. |
| 596 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 597 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 598 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 599 | EXPECT_EQ(accepted->GetRemoteAddress(), client->GetLocalAddress()); |
| 600 | |
| 601 | // Send data to the client, and then close the connection. |
| 602 | accepted->Close(); |
| 603 | EXPECT_EQ(AsyncSocket::CS_CLOSED, accepted->GetState()); |
| 604 | |
| 605 | // Expect that the client is notified, and has not yet closed. |
| 606 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 607 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, client->GetState()); |
| 608 | |
| 609 | // Now we should be closed and invalidated |
| 610 | EXPECT_EQ_WAIT(AsyncSocket::CS_CLOSED, client->GetState(), kTimeout); |
| 611 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 612 | EXPECT_TRUE(Socket::CS_CLOSED == client->GetState()); |
| 613 | } |
| 614 | |
| 615 | class Sleeper : public MessageHandler { |
| 616 | public: |
| 617 | Sleeper() {} |
| 618 | void OnMessage(Message* msg) { |
| 619 | Thread::Current()->SleepMs(500); |
| 620 | } |
| 621 | }; |
| 622 | |
| 623 | void SocketTest::SocketServerWaitInternal(const IPAddress& loopback) { |
| 624 | testing::StreamSink sink; |
| 625 | SocketAddress accept_addr; |
| 626 | |
| 627 | // Create & connect server and client sockets. |
| 628 | scoped_ptr<AsyncSocket> client( |
| 629 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 630 | scoped_ptr<AsyncSocket> server( |
| 631 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 632 | sink.Monitor(client.get()); |
| 633 | sink.Monitor(server.get()); |
| 634 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 635 | EXPECT_EQ(0, server->Listen(5)); |
| 636 | |
| 637 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 638 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 639 | |
| 640 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 641 | ASSERT_TRUE(accepted); |
| 642 | sink.Monitor(accepted.get()); |
| 643 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, accepted->GetState()); |
| 644 | EXPECT_EQ(server->GetLocalAddress(), accepted->GetLocalAddress()); |
| 645 | EXPECT_EQ(client->GetLocalAddress(), accepted->GetRemoteAddress()); |
| 646 | |
| 647 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 648 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 649 | EXPECT_FALSE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 650 | EXPECT_EQ(client->GetRemoteAddress(), server->GetLocalAddress()); |
| 651 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 652 | |
| 653 | // Do an i/o operation, triggering an eventual callback. |
| 654 | EXPECT_FALSE(sink.Check(accepted.get(), testing::SSE_READ)); |
| 655 | char buf[1024] = {0}; |
| 656 | |
| 657 | EXPECT_EQ(1024, client->Send(buf, 1024)); |
| 658 | EXPECT_FALSE(sink.Check(accepted.get(), testing::SSE_READ)); |
| 659 | |
| 660 | // Shouldn't signal when blocked in a thread Send, where process_io is false. |
| 661 | scoped_ptr<Thread> thread(new Thread()); |
| 662 | thread->Start(); |
| 663 | Sleeper sleeper; |
| 664 | TypedMessageData<AsyncSocket*> data(client.get()); |
| 665 | thread->Send(&sleeper, 0, &data); |
| 666 | EXPECT_FALSE(sink.Check(accepted.get(), testing::SSE_READ)); |
| 667 | |
| 668 | // But should signal when process_io is true. |
| 669 | EXPECT_TRUE_WAIT((sink.Check(accepted.get(), testing::SSE_READ)), kTimeout); |
| 670 | EXPECT_LT(0, accepted->Recv(buf, 1024)); |
| 671 | } |
| 672 | |
| 673 | void SocketTest::TcpInternal(const IPAddress& loopback) { |
| 674 | testing::StreamSink sink; |
| 675 | SocketAddress accept_addr; |
| 676 | |
| 677 | // Create test data. |
| 678 | const size_t kDataSize = 1024 * 1024; |
| 679 | scoped_ptr<char[]> send_buffer(new char[kDataSize]); |
| 680 | scoped_ptr<char[]> recv_buffer(new char[kDataSize]); |
| 681 | size_t send_pos = 0, recv_pos = 0; |
| 682 | for (size_t i = 0; i < kDataSize; ++i) { |
| 683 | send_buffer[i] = static_cast<char>(i % 256); |
| 684 | recv_buffer[i] = 0; |
| 685 | } |
| 686 | |
| 687 | // Create client. |
| 688 | scoped_ptr<AsyncSocket> client( |
| 689 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 690 | sink.Monitor(client.get()); |
| 691 | |
| 692 | // Create server and listen. |
| 693 | scoped_ptr<AsyncSocket> server( |
| 694 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 695 | sink.Monitor(server.get()); |
| 696 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 697 | EXPECT_EQ(0, server->Listen(5)); |
| 698 | |
| 699 | // Attempt connection. |
| 700 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 701 | |
| 702 | // Accept connection. |
| 703 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 704 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 705 | ASSERT_TRUE(accepted); |
| 706 | sink.Monitor(accepted.get()); |
| 707 | |
| 708 | // Both sides are now connected. |
| 709 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 710 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 711 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 712 | EXPECT_EQ(accepted->GetRemoteAddress(), client->GetLocalAddress()); |
| 713 | |
| 714 | // Send and receive a bunch of data. |
| 715 | bool send_waiting_for_writability = false; |
| 716 | bool send_expect_success = true; |
| 717 | bool recv_waiting_for_readability = true; |
| 718 | bool recv_expect_success = false; |
| 719 | int data_in_flight = 0; |
| 720 | while (recv_pos < kDataSize) { |
| 721 | // Send as much as we can if we've been cleared to send. |
| 722 | while (!send_waiting_for_writability && send_pos < kDataSize) { |
| 723 | int tosend = static_cast<int>(kDataSize - send_pos); |
| 724 | int sent = accepted->Send(send_buffer.get() + send_pos, tosend); |
| 725 | if (send_expect_success) { |
| 726 | // The first Send() after connecting or getting writability should |
| 727 | // succeed and send some data. |
| 728 | EXPECT_GT(sent, 0); |
| 729 | send_expect_success = false; |
| 730 | } |
| 731 | if (sent >= 0) { |
| 732 | EXPECT_LE(sent, tosend); |
| 733 | send_pos += sent; |
| 734 | data_in_flight += sent; |
| 735 | } else { |
| 736 | ASSERT_TRUE(accepted->IsBlocking()); |
| 737 | send_waiting_for_writability = true; |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | // Read all the sent data. |
| 742 | while (data_in_flight > 0) { |
| 743 | if (recv_waiting_for_readability) { |
| 744 | // Wait until data is available. |
| 745 | EXPECT_TRUE_WAIT(sink.Check(client.get(), testing::SSE_READ), kTimeout); |
| 746 | recv_waiting_for_readability = false; |
| 747 | recv_expect_success = true; |
| 748 | } |
| 749 | |
| 750 | // Receive as much as we can get in a single recv call. |
| 751 | int rcvd = client->Recv(recv_buffer.get() + recv_pos, |
| 752 | kDataSize - recv_pos); |
| 753 | |
| 754 | if (recv_expect_success) { |
| 755 | // The first Recv() after getting readability should succeed and receive |
| 756 | // some data. |
| 757 | // TODO: The following line is disabled due to flakey pulse |
| 758 | // builds. Re-enable if/when possible. |
| 759 | // EXPECT_GT(rcvd, 0); |
| 760 | recv_expect_success = false; |
| 761 | } |
| 762 | if (rcvd >= 0) { |
| 763 | EXPECT_LE(rcvd, data_in_flight); |
| 764 | recv_pos += rcvd; |
| 765 | data_in_flight -= rcvd; |
| 766 | } else { |
| 767 | ASSERT_TRUE(client->IsBlocking()); |
| 768 | recv_waiting_for_readability = true; |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | // Once all that we've sent has been rcvd, expect to be able to send again. |
| 773 | if (send_waiting_for_writability) { |
| 774 | EXPECT_TRUE_WAIT(sink.Check(accepted.get(), testing::SSE_WRITE), |
| 775 | kTimeout); |
| 776 | send_waiting_for_writability = false; |
| 777 | send_expect_success = true; |
| 778 | } |
| 779 | } |
| 780 | |
| 781 | // The received data matches the sent data. |
| 782 | EXPECT_EQ(kDataSize, send_pos); |
| 783 | EXPECT_EQ(kDataSize, recv_pos); |
| 784 | EXPECT_EQ(0, memcmp(recv_buffer.get(), send_buffer.get(), kDataSize)); |
| 785 | |
| 786 | // Close down. |
| 787 | accepted->Close(); |
| 788 | EXPECT_EQ_WAIT(AsyncSocket::CS_CLOSED, client->GetState(), kTimeout); |
| 789 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_CLOSE)); |
| 790 | client->Close(); |
| 791 | } |
| 792 | |
| 793 | void SocketTest::SingleFlowControlCallbackInternal(const IPAddress& loopback) { |
| 794 | testing::StreamSink sink; |
| 795 | SocketAddress accept_addr; |
| 796 | |
| 797 | // Create client. |
| 798 | scoped_ptr<AsyncSocket> client( |
| 799 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 800 | sink.Monitor(client.get()); |
| 801 | |
| 802 | // Create server and listen. |
| 803 | scoped_ptr<AsyncSocket> server( |
| 804 | ss_->CreateAsyncSocket(loopback.family(), SOCK_STREAM)); |
| 805 | sink.Monitor(server.get()); |
| 806 | EXPECT_EQ(0, server->Bind(SocketAddress(loopback, 0))); |
| 807 | EXPECT_EQ(0, server->Listen(5)); |
| 808 | |
| 809 | // Attempt connection. |
| 810 | EXPECT_EQ(0, client->Connect(server->GetLocalAddress())); |
| 811 | |
| 812 | // Accept connection. |
| 813 | EXPECT_TRUE_WAIT((sink.Check(server.get(), testing::SSE_READ)), kTimeout); |
| 814 | scoped_ptr<AsyncSocket> accepted(server->Accept(&accept_addr)); |
| 815 | ASSERT_TRUE(accepted); |
| 816 | sink.Monitor(accepted.get()); |
| 817 | |
| 818 | // Both sides are now connected. |
| 819 | EXPECT_EQ_WAIT(AsyncSocket::CS_CONNECTED, client->GetState(), kTimeout); |
| 820 | EXPECT_TRUE(sink.Check(client.get(), testing::SSE_OPEN)); |
| 821 | EXPECT_EQ(client->GetRemoteAddress(), accepted->GetLocalAddress()); |
| 822 | EXPECT_EQ(accepted->GetRemoteAddress(), client->GetLocalAddress()); |
| 823 | |
| 824 | // Expect a writable callback from the connect. |
| 825 | EXPECT_TRUE_WAIT(sink.Check(accepted.get(), testing::SSE_WRITE), kTimeout); |
| 826 | |
| 827 | // Fill the socket buffer. |
| 828 | char buf[1024 * 16] = {0}; |
| 829 | int sends = 0; |
| 830 | while (++sends && accepted->Send(&buf, ARRAY_SIZE(buf)) != -1) {} |
| 831 | EXPECT_TRUE(accepted->IsBlocking()); |
| 832 | |
| 833 | // Wait until data is available. |
| 834 | EXPECT_TRUE_WAIT(sink.Check(client.get(), testing::SSE_READ), kTimeout); |
| 835 | |
| 836 | // Pull data. |
| 837 | for (int i = 0; i < sends; ++i) { |
| 838 | client->Recv(buf, ARRAY_SIZE(buf)); |
| 839 | } |
| 840 | |
| 841 | // Expect at least one additional writable callback. |
| 842 | EXPECT_TRUE_WAIT(sink.Check(accepted.get(), testing::SSE_WRITE), kTimeout); |
| 843 | |
| 844 | // Adding data in response to the writeable callback shouldn't cause infinite |
| 845 | // callbacks. |
| 846 | int extras = 0; |
| 847 | for (int i = 0; i < 100; ++i) { |
| 848 | accepted->Send(&buf, ARRAY_SIZE(buf)); |
| 849 | rtc::Thread::Current()->ProcessMessages(1); |
| 850 | if (sink.Check(accepted.get(), testing::SSE_WRITE)) { |
| 851 | extras++; |
| 852 | } |
| 853 | } |
| 854 | EXPECT_LT(extras, 2); |
| 855 | |
| 856 | // Close down. |
| 857 | accepted->Close(); |
| 858 | client->Close(); |
| 859 | } |
| 860 | |
| 861 | void SocketTest::UdpInternal(const IPAddress& loopback) { |
| 862 | SocketAddress empty = EmptySocketAddressWithFamily(loopback.family()); |
| 863 | // Test basic bind and connect behavior. |
| 864 | AsyncSocket* socket = |
| 865 | ss_->CreateAsyncSocket(loopback.family(), SOCK_DGRAM); |
| 866 | EXPECT_EQ(AsyncSocket::CS_CLOSED, socket->GetState()); |
| 867 | EXPECT_EQ(0, socket->Bind(SocketAddress(loopback, 0))); |
| 868 | SocketAddress addr1 = socket->GetLocalAddress(); |
| 869 | EXPECT_EQ(0, socket->Connect(addr1)); |
| 870 | EXPECT_EQ(AsyncSocket::CS_CONNECTED, socket->GetState()); |
| 871 | socket->Close(); |
| 872 | EXPECT_EQ(AsyncSocket::CS_CLOSED, socket->GetState()); |
| 873 | delete socket; |
| 874 | |
| 875 | // Test send/receive behavior. |
| 876 | scoped_ptr<TestClient> client1( |
| 877 | new TestClient(AsyncUDPSocket::Create(ss_, addr1))); |
| 878 | scoped_ptr<TestClient> client2( |
| 879 | new TestClient(AsyncUDPSocket::Create(ss_, empty))); |
| 880 | |
| 881 | SocketAddress addr2; |
| 882 | EXPECT_EQ(3, client2->SendTo("foo", 3, addr1)); |
| 883 | EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &addr2)); |
| 884 | |
| 885 | SocketAddress addr3; |
| 886 | EXPECT_EQ(6, client1->SendTo("bizbaz", 6, addr2)); |
| 887 | EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &addr3)); |
| 888 | EXPECT_EQ(addr3, addr1); |
| 889 | // TODO: figure out what the intent is here |
| 890 | for (int i = 0; i < 10; ++i) { |
| 891 | client2.reset(new TestClient(AsyncUDPSocket::Create(ss_, empty))); |
| 892 | |
| 893 | SocketAddress addr4; |
| 894 | EXPECT_EQ(3, client2->SendTo("foo", 3, addr1)); |
| 895 | EXPECT_TRUE(client1->CheckNextPacket("foo", 3, &addr4)); |
| 896 | EXPECT_EQ(addr4.ipaddr(), addr2.ipaddr()); |
| 897 | |
| 898 | SocketAddress addr5; |
| 899 | EXPECT_EQ(6, client1->SendTo("bizbaz", 6, addr4)); |
| 900 | EXPECT_TRUE(client2->CheckNextPacket("bizbaz", 6, &addr5)); |
| 901 | EXPECT_EQ(addr5, addr1); |
| 902 | |
| 903 | addr2 = addr4; |
| 904 | } |
| 905 | } |
| 906 | |
| 907 | void SocketTest::UdpReadyToSend(const IPAddress& loopback) { |
| 908 | SocketAddress empty = EmptySocketAddressWithFamily(loopback.family()); |
| 909 | // RFC 5737 - The blocks 192.0.2.0/24 (TEST-NET-1) ... are provided for use in |
| 910 | // documentation. |
| 911 | // RFC 3849 - 2001:DB8::/32 as a documentation-only prefix. |
| 912 | std::string dest = (loopback.family() == AF_INET6) ? |
| 913 | "2001:db8::1" : "192.0.2.0"; |
| 914 | SocketAddress test_addr(dest, 2345); |
| 915 | |
| 916 | // Test send |
| 917 | scoped_ptr<TestClient> client( |
| 918 | new TestClient(AsyncUDPSocket::Create(ss_, empty))); |
| 919 | int test_packet_size = 1200; |
| 920 | rtc::scoped_ptr<char[]> test_packet(new char[test_packet_size]); |
| 921 | // Init the test packet just to avoid memcheck warning. |
| 922 | memset(test_packet.get(), 0, test_packet_size); |
| 923 | // Set the send buffer size to the same size as the test packet to have a |
| 924 | // better chance to get EWOULDBLOCK. |
| 925 | int send_buffer_size = test_packet_size; |
| 926 | #if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) |
| 927 | send_buffer_size /= 2; |
| 928 | #endif |
| 929 | client->SetOption(rtc::Socket::OPT_SNDBUF, send_buffer_size); |
| 930 | |
| 931 | int error = 0; |
| 932 | uint32 start_ms = Time(); |
| 933 | int sent_packet_num = 0; |
| 934 | int expected_error = EWOULDBLOCK; |
| 935 | while (start_ms + kTimeout > Time()) { |
| 936 | int ret = client->SendTo(test_packet.get(), test_packet_size, test_addr); |
| 937 | ++sent_packet_num; |
| 938 | if (ret != test_packet_size) { |
| 939 | error = client->GetError(); |
| 940 | if (error == expected_error) { |
| 941 | LOG(LS_INFO) << "Got expected error code after sending " |
| 942 | << sent_packet_num << " packets."; |
| 943 | break; |
| 944 | } |
| 945 | } |
| 946 | } |
| 947 | EXPECT_EQ(expected_error, error); |
| 948 | EXPECT_FALSE(client->ready_to_send()); |
| 949 | EXPECT_TRUE_WAIT(client->ready_to_send(), kTimeout); |
| 950 | LOG(LS_INFO) << "Got SignalReadyToSend"; |
| 951 | } |
| 952 | |
| 953 | void SocketTest::GetSetOptionsInternal(const IPAddress& loopback) { |
| 954 | rtc::scoped_ptr<AsyncSocket> socket( |
| 955 | ss_->CreateAsyncSocket(loopback.family(), SOCK_DGRAM)); |
| 956 | socket->Bind(SocketAddress(loopback, 0)); |
| 957 | |
| 958 | // Check SNDBUF/RCVBUF. |
| 959 | const int desired_size = 12345; |
| 960 | #if defined(WEBRTC_LINUX) |
| 961 | // Yes, really. It's in the kernel source. |
| 962 | const int expected_size = desired_size * 2; |
| 963 | #else // !WEBRTC_LINUX |
| 964 | const int expected_size = desired_size; |
| 965 | #endif // !WEBRTC_LINUX |
| 966 | int recv_size = 0; |
| 967 | int send_size = 0; |
| 968 | // get the initial sizes |
| 969 | ASSERT_NE(-1, socket->GetOption(Socket::OPT_RCVBUF, &recv_size)); |
| 970 | ASSERT_NE(-1, socket->GetOption(Socket::OPT_SNDBUF, &send_size)); |
| 971 | // set our desired sizes |
| 972 | ASSERT_NE(-1, socket->SetOption(Socket::OPT_RCVBUF, desired_size)); |
| 973 | ASSERT_NE(-1, socket->SetOption(Socket::OPT_SNDBUF, desired_size)); |
| 974 | // get the sizes again |
| 975 | ASSERT_NE(-1, socket->GetOption(Socket::OPT_RCVBUF, &recv_size)); |
| 976 | ASSERT_NE(-1, socket->GetOption(Socket::OPT_SNDBUF, &send_size)); |
| 977 | // make sure they are right |
| 978 | ASSERT_EQ(expected_size, recv_size); |
| 979 | ASSERT_EQ(expected_size, send_size); |
| 980 | |
| 981 | // Check that we can't set NODELAY on a UDP socket. |
| 982 | int current_nd, desired_nd = 1; |
| 983 | ASSERT_EQ(-1, socket->GetOption(Socket::OPT_NODELAY, ¤t_nd)); |
| 984 | ASSERT_EQ(-1, socket->SetOption(Socket::OPT_NODELAY, desired_nd)); |
| 985 | |
| 986 | // Skip the esimate MTU test for IPv6 for now. |
| 987 | if (loopback.family() != AF_INET6) { |
| 988 | // Try estimating MTU. |
| 989 | rtc::scoped_ptr<AsyncSocket> |
| 990 | mtu_socket( |
| 991 | ss_->CreateAsyncSocket(loopback.family(), SOCK_DGRAM)); |
| 992 | mtu_socket->Bind(SocketAddress(loopback, 0)); |
| 993 | uint16 mtu; |
| 994 | // should fail until we connect |
| 995 | ASSERT_EQ(-1, mtu_socket->EstimateMTU(&mtu)); |
| 996 | mtu_socket->Connect(SocketAddress(loopback, 0)); |
| 997 | #if defined(WEBRTC_WIN) |
| 998 | // now it should succeed |
| 999 | ASSERT_NE(-1, mtu_socket->EstimateMTU(&mtu)); |
| 1000 | ASSERT_GE(mtu, 1492); // should be at least the 1492 "plateau" on localhost |
| 1001 | #elif defined(WEBRTC_MAC) && !defined(WEBRTC_IOS) |
| 1002 | // except on WEBRTC_MAC && !WEBRTC_IOS, where it's not yet implemented |
| 1003 | ASSERT_EQ(-1, mtu_socket->EstimateMTU(&mtu)); |
| 1004 | #else |
| 1005 | // and the behavior seems unpredictable on Linux, |
| 1006 | // failing on the build machine |
| 1007 | // but succeeding on my Ubiquity instance. |
| 1008 | #endif |
| 1009 | } |
| 1010 | } |
| 1011 | |
| 1012 | } // namespace rtc |