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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/socket/tcp_client_socket.h" | |
| 6 | |
| 7 #include "base/basictypes.h" | |
| 8 #include "base/memory/ref_counted.h" | |
| 9 #include "base/memory/scoped_ptr.h" | |
| 10 #include "net/base/address_list.h" | |
| 11 #include "net/base/io_buffer.h" | |
| 12 #include "net/base/net_errors.h" | |
| 13 #include "net/base/net_log.h" | |
| 14 #include "net/base/net_log_unittest.h" | |
| 15 #include "net/base/test_completion_callback.h" | |
| 16 #include "net/base/winsock_init.h" | |
| 17 #include "net/dns/mock_host_resolver.h" | |
| 18 #include "net/socket/client_socket_factory.h" | |
| 19 #include "net/socket/tcp_listen_socket.h" | |
| 20 #include "testing/gtest/include/gtest/gtest.h" | |
| 21 #include "testing/platform_test.h" | |
| 22 | |
| 23 namespace net { | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 const char kServerReply[] = "HTTP/1.1 404 Not Found"; | |
| 28 | |
| 29 enum ClientSocketTestTypes { | |
| 30 TCP, | |
| 31 SCTP | |
| 32 }; | |
| 33 | |
| 34 } // namespace | |
| 35 | |
| 36 class TransportClientSocketTest | |
| 37 : public StreamListenSocket::Delegate, | |
| 38 public ::testing::TestWithParam<ClientSocketTestTypes> { | |
| 39 public: | |
| 40 TransportClientSocketTest() | |
| 41 : listen_port_(0), | |
| 42 socket_factory_(ClientSocketFactory::GetDefaultFactory()), | |
| 43 close_server_socket_on_next_send_(false) { | |
| 44 } | |
| 45 | |
| 46 virtual ~TransportClientSocketTest() { | |
| 47 } | |
| 48 | |
| 49 // Implement StreamListenSocket::Delegate methods | |
| 50 void DidAccept(StreamListenSocket* server, | |
| 51 scoped_ptr<StreamListenSocket> connection) override { | |
| 52 connected_sock_.reset( | |
| 53 static_cast<TCPListenSocket*>(connection.release())); | |
| 54 } | |
| 55 void DidRead(StreamListenSocket*, const char* str, int len) override { | |
| 56 // TODO(dkegel): this might not be long enough to tickle some bugs. | |
| 57 connected_sock_->Send(kServerReply, arraysize(kServerReply) - 1, | |
| 58 false /* Don't append line feed */); | |
| 59 if (close_server_socket_on_next_send_) | |
| 60 CloseServerSocket(); | |
| 61 } | |
| 62 void DidClose(StreamListenSocket* sock) override {} | |
| 63 | |
| 64 // Testcase hooks | |
| 65 void SetUp() override; | |
| 66 | |
| 67 void CloseServerSocket() { | |
| 68 // delete the connected_sock_, which will close it. | |
| 69 connected_sock_.reset(); | |
| 70 } | |
| 71 | |
| 72 void PauseServerReads() { | |
| 73 connected_sock_->PauseReads(); | |
| 74 } | |
| 75 | |
| 76 void ResumeServerReads() { | |
| 77 connected_sock_->ResumeReads(); | |
| 78 } | |
| 79 | |
| 80 int DrainClientSocket(IOBuffer* buf, | |
| 81 uint32 buf_len, | |
| 82 uint32 bytes_to_read, | |
| 83 TestCompletionCallback* callback); | |
| 84 | |
| 85 void SendClientRequest(); | |
| 86 | |
| 87 void set_close_server_socket_on_next_send(bool close) { | |
| 88 close_server_socket_on_next_send_ = close; | |
| 89 } | |
| 90 | |
| 91 protected: | |
| 92 uint16 listen_port_; | |
| 93 CapturingNetLog net_log_; | |
| 94 ClientSocketFactory* const socket_factory_; | |
| 95 scoped_ptr<StreamSocket> sock_; | |
| 96 | |
| 97 private: | |
| 98 scoped_ptr<TCPListenSocket> listen_sock_; | |
| 99 scoped_ptr<TCPListenSocket> connected_sock_; | |
| 100 bool close_server_socket_on_next_send_; | |
| 101 }; | |
| 102 | |
| 103 void TransportClientSocketTest::SetUp() { | |
| 104 ::testing::TestWithParam<ClientSocketTestTypes>::SetUp(); | |
| 105 | |
| 106 // Find a free port to listen on | |
| 107 scoped_ptr<TCPListenSocket> sock; | |
| 108 uint16 port; | |
| 109 // Range of ports to listen on. Shouldn't need to try many. | |
| 110 const uint16 kMinPort = 10100; | |
| 111 const uint16 kMaxPort = 10200; | |
| 112 #if defined(OS_WIN) | |
| 113 EnsureWinsockInit(); | |
| 114 #endif | |
| 115 for (port = kMinPort; port < kMaxPort; port++) { | |
| 116 sock = TCPListenSocket::CreateAndListen("127.0.0.1", port, this); | |
| 117 if (sock.get()) | |
| 118 break; | |
| 119 } | |
| 120 ASSERT_TRUE(sock.get() != NULL); | |
| 121 listen_sock_ = sock.Pass(); | |
| 122 listen_port_ = port; | |
| 123 | |
| 124 AddressList addr; | |
| 125 // MockHostResolver resolves everything to 127.0.0.1. | |
| 126 scoped_ptr<HostResolver> resolver(new MockHostResolver()); | |
| 127 HostResolver::RequestInfo info(HostPortPair("localhost", listen_port_)); | |
| 128 TestCompletionCallback callback; | |
| 129 int rv = resolver->Resolve( | |
| 130 info, DEFAULT_PRIORITY, &addr, callback.callback(), NULL, BoundNetLog()); | |
| 131 CHECK_EQ(ERR_IO_PENDING, rv); | |
| 132 rv = callback.WaitForResult(); | |
| 133 CHECK_EQ(rv, OK); | |
| 134 sock_ = | |
| 135 socket_factory_->CreateTransportClientSocket(addr, | |
| 136 &net_log_, | |
| 137 NetLog::Source()); | |
| 138 } | |
| 139 | |
| 140 int TransportClientSocketTest::DrainClientSocket( | |
| 141 IOBuffer* buf, uint32 buf_len, | |
| 142 uint32 bytes_to_read, TestCompletionCallback* callback) { | |
| 143 int rv = OK; | |
| 144 uint32 bytes_read = 0; | |
| 145 | |
| 146 while (bytes_read < bytes_to_read) { | |
| 147 rv = sock_->Read(buf, buf_len, callback->callback()); | |
| 148 EXPECT_TRUE(rv >= 0 || rv == ERR_IO_PENDING); | |
| 149 | |
| 150 if (rv == ERR_IO_PENDING) | |
| 151 rv = callback->WaitForResult(); | |
| 152 | |
| 153 EXPECT_GE(rv, 0); | |
| 154 bytes_read += rv; | |
| 155 } | |
| 156 | |
| 157 return static_cast<int>(bytes_read); | |
| 158 } | |
| 159 | |
| 160 void TransportClientSocketTest::SendClientRequest() { | |
| 161 const char request_text[] = "GET / HTTP/1.0\r\n\r\n"; | |
| 162 scoped_refptr<IOBuffer> request_buffer( | |
| 163 new IOBuffer(arraysize(request_text) - 1)); | |
| 164 TestCompletionCallback callback; | |
| 165 int rv; | |
| 166 | |
| 167 memcpy(request_buffer->data(), request_text, arraysize(request_text) - 1); | |
| 168 rv = sock_->Write( | |
| 169 request_buffer.get(), arraysize(request_text) - 1, callback.callback()); | |
| 170 EXPECT_TRUE(rv >= 0 || rv == ERR_IO_PENDING); | |
| 171 | |
| 172 if (rv == ERR_IO_PENDING) | |
| 173 rv = callback.WaitForResult(); | |
| 174 EXPECT_EQ(rv, static_cast<int>(arraysize(request_text) - 1)); | |
| 175 } | |
| 176 | |
| 177 // TODO(leighton): Add SCTP to this list when it is ready. | |
| 178 INSTANTIATE_TEST_CASE_P(StreamSocket, | |
| 179 TransportClientSocketTest, | |
| 180 ::testing::Values(TCP)); | |
| 181 | |
| 182 TEST_P(TransportClientSocketTest, Connect) { | |
| 183 TestCompletionCallback callback; | |
| 184 EXPECT_FALSE(sock_->IsConnected()); | |
| 185 | |
| 186 int rv = sock_->Connect(callback.callback()); | |
| 187 | |
| 188 net::CapturingNetLog::CapturedEntryList net_log_entries; | |
| 189 net_log_.GetEntries(&net_log_entries); | |
| 190 EXPECT_TRUE(net::LogContainsBeginEvent( | |
| 191 net_log_entries, 0, net::NetLog::TYPE_SOCKET_ALIVE)); | |
| 192 EXPECT_TRUE(net::LogContainsBeginEvent( | |
| 193 net_log_entries, 1, net::NetLog::TYPE_TCP_CONNECT)); | |
| 194 if (rv != OK) { | |
| 195 ASSERT_EQ(rv, ERR_IO_PENDING); | |
| 196 rv = callback.WaitForResult(); | |
| 197 EXPECT_EQ(rv, OK); | |
| 198 } | |
| 199 | |
| 200 EXPECT_TRUE(sock_->IsConnected()); | |
| 201 net_log_.GetEntries(&net_log_entries); | |
| 202 EXPECT_TRUE(net::LogContainsEndEvent( | |
| 203 net_log_entries, -1, net::NetLog::TYPE_TCP_CONNECT)); | |
| 204 | |
| 205 sock_->Disconnect(); | |
| 206 EXPECT_FALSE(sock_->IsConnected()); | |
| 207 } | |
| 208 | |
| 209 TEST_P(TransportClientSocketTest, IsConnected) { | |
| 210 scoped_refptr<IOBuffer> buf(new IOBuffer(4096)); | |
| 211 TestCompletionCallback callback; | |
| 212 uint32 bytes_read; | |
| 213 | |
| 214 EXPECT_FALSE(sock_->IsConnected()); | |
| 215 EXPECT_FALSE(sock_->IsConnectedAndIdle()); | |
| 216 int rv = sock_->Connect(callback.callback()); | |
| 217 if (rv != OK) { | |
| 218 ASSERT_EQ(rv, ERR_IO_PENDING); | |
| 219 rv = callback.WaitForResult(); | |
| 220 EXPECT_EQ(rv, OK); | |
| 221 } | |
| 222 EXPECT_TRUE(sock_->IsConnected()); | |
| 223 EXPECT_TRUE(sock_->IsConnectedAndIdle()); | |
| 224 | |
| 225 // Send the request and wait for the server to respond. | |
| 226 SendClientRequest(); | |
| 227 | |
| 228 // Drain a single byte so we know we've received some data. | |
| 229 bytes_read = DrainClientSocket(buf.get(), 1, 1, &callback); | |
| 230 ASSERT_EQ(bytes_read, 1u); | |
| 231 | |
| 232 // Socket should be considered connected, but not idle, due to | |
| 233 // pending data. | |
| 234 EXPECT_TRUE(sock_->IsConnected()); | |
| 235 EXPECT_FALSE(sock_->IsConnectedAndIdle()); | |
| 236 | |
| 237 bytes_read = DrainClientSocket( | |
| 238 buf.get(), 4096, arraysize(kServerReply) - 2, &callback); | |
| 239 ASSERT_EQ(bytes_read, arraysize(kServerReply) - 2); | |
| 240 | |
| 241 // After draining the data, the socket should be back to connected | |
| 242 // and idle. | |
| 243 EXPECT_TRUE(sock_->IsConnected()); | |
| 244 EXPECT_TRUE(sock_->IsConnectedAndIdle()); | |
| 245 | |
| 246 // This time close the server socket immediately after the server response. | |
| 247 set_close_server_socket_on_next_send(true); | |
| 248 SendClientRequest(); | |
| 249 | |
| 250 bytes_read = DrainClientSocket(buf.get(), 1, 1, &callback); | |
| 251 ASSERT_EQ(bytes_read, 1u); | |
| 252 | |
| 253 // As above because of data. | |
| 254 EXPECT_TRUE(sock_->IsConnected()); | |
| 255 EXPECT_FALSE(sock_->IsConnectedAndIdle()); | |
| 256 | |
| 257 bytes_read = DrainClientSocket( | |
| 258 buf.get(), 4096, arraysize(kServerReply) - 2, &callback); | |
| 259 ASSERT_EQ(bytes_read, arraysize(kServerReply) - 2); | |
| 260 | |
| 261 // Once the data is drained, the socket should now be seen as not | |
| 262 // connected. | |
| 263 if (sock_->IsConnected()) { | |
| 264 // In the unlikely event that the server's connection closure is not | |
| 265 // processed in time, wait for the connection to be closed. | |
| 266 rv = sock_->Read(buf.get(), 4096, callback.callback()); | |
| 267 EXPECT_EQ(0, callback.GetResult(rv)); | |
| 268 EXPECT_FALSE(sock_->IsConnected()); | |
| 269 } | |
| 270 EXPECT_FALSE(sock_->IsConnectedAndIdle()); | |
| 271 } | |
| 272 | |
| 273 TEST_P(TransportClientSocketTest, Read) { | |
| 274 TestCompletionCallback callback; | |
| 275 int rv = sock_->Connect(callback.callback()); | |
| 276 if (rv != OK) { | |
| 277 ASSERT_EQ(rv, ERR_IO_PENDING); | |
| 278 | |
| 279 rv = callback.WaitForResult(); | |
| 280 EXPECT_EQ(rv, OK); | |
| 281 } | |
| 282 SendClientRequest(); | |
| 283 | |
| 284 scoped_refptr<IOBuffer> buf(new IOBuffer(4096)); | |
| 285 uint32 bytes_read = DrainClientSocket( | |
| 286 buf.get(), 4096, arraysize(kServerReply) - 1, &callback); | |
| 287 ASSERT_EQ(bytes_read, arraysize(kServerReply) - 1); | |
| 288 | |
| 289 // All data has been read now. Read once more to force an ERR_IO_PENDING, and | |
| 290 // then close the server socket, and note the close. | |
| 291 | |
| 292 rv = sock_->Read(buf.get(), 4096, callback.callback()); | |
| 293 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 294 CloseServerSocket(); | |
| 295 EXPECT_EQ(0, callback.WaitForResult()); | |
| 296 } | |
| 297 | |
| 298 TEST_P(TransportClientSocketTest, Read_SmallChunks) { | |
| 299 TestCompletionCallback callback; | |
| 300 int rv = sock_->Connect(callback.callback()); | |
| 301 if (rv != OK) { | |
| 302 ASSERT_EQ(rv, ERR_IO_PENDING); | |
| 303 | |
| 304 rv = callback.WaitForResult(); | |
| 305 EXPECT_EQ(rv, OK); | |
| 306 } | |
| 307 SendClientRequest(); | |
| 308 | |
| 309 scoped_refptr<IOBuffer> buf(new IOBuffer(1)); | |
| 310 uint32 bytes_read = 0; | |
| 311 while (bytes_read < arraysize(kServerReply) - 1) { | |
| 312 rv = sock_->Read(buf.get(), 1, callback.callback()); | |
| 313 EXPECT_TRUE(rv >= 0 || rv == ERR_IO_PENDING); | |
| 314 | |
| 315 if (rv == ERR_IO_PENDING) | |
| 316 rv = callback.WaitForResult(); | |
| 317 | |
| 318 ASSERT_EQ(1, rv); | |
| 319 bytes_read += rv; | |
| 320 } | |
| 321 | |
| 322 // All data has been read now. Read once more to force an ERR_IO_PENDING, and | |
| 323 // then close the server socket, and note the close. | |
| 324 | |
| 325 rv = sock_->Read(buf.get(), 1, callback.callback()); | |
| 326 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 327 CloseServerSocket(); | |
| 328 EXPECT_EQ(0, callback.WaitForResult()); | |
| 329 } | |
| 330 | |
| 331 TEST_P(TransportClientSocketTest, Read_Interrupted) { | |
| 332 TestCompletionCallback callback; | |
| 333 int rv = sock_->Connect(callback.callback()); | |
| 334 if (rv != OK) { | |
| 335 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 336 | |
| 337 rv = callback.WaitForResult(); | |
| 338 EXPECT_EQ(rv, OK); | |
| 339 } | |
| 340 SendClientRequest(); | |
| 341 | |
| 342 // Do a partial read and then exit. This test should not crash! | |
| 343 scoped_refptr<IOBuffer> buf(new IOBuffer(16)); | |
| 344 rv = sock_->Read(buf.get(), 16, callback.callback()); | |
| 345 EXPECT_TRUE(rv >= 0 || rv == ERR_IO_PENDING); | |
| 346 | |
| 347 if (rv == ERR_IO_PENDING) | |
| 348 rv = callback.WaitForResult(); | |
| 349 | |
| 350 EXPECT_NE(0, rv); | |
| 351 } | |
| 352 | |
| 353 TEST_P(TransportClientSocketTest, DISABLED_FullDuplex_ReadFirst) { | |
| 354 TestCompletionCallback callback; | |
| 355 int rv = sock_->Connect(callback.callback()); | |
| 356 if (rv != OK) { | |
| 357 ASSERT_EQ(rv, ERR_IO_PENDING); | |
| 358 | |
| 359 rv = callback.WaitForResult(); | |
| 360 EXPECT_EQ(rv, OK); | |
| 361 } | |
| 362 | |
| 363 // Read first. There's no data, so it should return ERR_IO_PENDING. | |
| 364 const int kBufLen = 4096; | |
| 365 scoped_refptr<IOBuffer> buf(new IOBuffer(kBufLen)); | |
| 366 rv = sock_->Read(buf.get(), kBufLen, callback.callback()); | |
| 367 EXPECT_EQ(ERR_IO_PENDING, rv); | |
| 368 | |
| 369 PauseServerReads(); | |
| 370 const int kWriteBufLen = 64 * 1024; | |
| 371 scoped_refptr<IOBuffer> request_buffer(new IOBuffer(kWriteBufLen)); | |
| 372 char* request_data = request_buffer->data(); | |
| 373 memset(request_data, 'A', kWriteBufLen); | |
| 374 TestCompletionCallback write_callback; | |
| 375 | |
| 376 while (true) { | |
| 377 rv = sock_->Write( | |
| 378 request_buffer.get(), kWriteBufLen, write_callback.callback()); | |
| 379 ASSERT_TRUE(rv >= 0 || rv == ERR_IO_PENDING); | |
| 380 | |
| 381 if (rv == ERR_IO_PENDING) { | |
| 382 ResumeServerReads(); | |
| 383 rv = write_callback.WaitForResult(); | |
| 384 break; | |
| 385 } | |
| 386 } | |
| 387 | |
| 388 // At this point, both read and write have returned ERR_IO_PENDING, and the | |
| 389 // write callback has executed. We wait for the read callback to run now to | |
| 390 // make sure that the socket can handle full duplex communications. | |
| 391 | |
| 392 rv = callback.WaitForResult(); | |
| 393 EXPECT_GE(rv, 0); | |
| 394 } | |
| 395 | |
| 396 TEST_P(TransportClientSocketTest, DISABLED_FullDuplex_WriteFirst) { | |
| 397 TestCompletionCallback callback; | |
| 398 int rv = sock_->Connect(callback.callback()); | |
| 399 if (rv != OK) { | |
| 400 ASSERT_EQ(ERR_IO_PENDING, rv); | |
| 401 | |
| 402 rv = callback.WaitForResult(); | |
| 403 EXPECT_EQ(OK, rv); | |
| 404 } | |
| 405 | |
| 406 PauseServerReads(); | |
| 407 const int kWriteBufLen = 64 * 1024; | |
| 408 scoped_refptr<IOBuffer> request_buffer(new IOBuffer(kWriteBufLen)); | |
| 409 char* request_data = request_buffer->data(); | |
| 410 memset(request_data, 'A', kWriteBufLen); | |
| 411 TestCompletionCallback write_callback; | |
| 412 | |
| 413 while (true) { | |
| 414 rv = sock_->Write( | |
| 415 request_buffer.get(), kWriteBufLen, write_callback.callback()); | |
| 416 ASSERT_TRUE(rv >= 0 || rv == ERR_IO_PENDING); | |
| 417 | |
| 418 if (rv == ERR_IO_PENDING) | |
| 419 break; | |
| 420 } | |
| 421 | |
| 422 // Now we have the Write() blocked on ERR_IO_PENDING. It's time to force the | |
| 423 // Read() to block on ERR_IO_PENDING too. | |
| 424 | |
| 425 const int kBufLen = 4096; | |
| 426 scoped_refptr<IOBuffer> buf(new IOBuffer(kBufLen)); | |
| 427 while (true) { | |
| 428 rv = sock_->Read(buf.get(), kBufLen, callback.callback()); | |
| 429 ASSERT_TRUE(rv >= 0 || rv == ERR_IO_PENDING); | |
| 430 if (rv == ERR_IO_PENDING) | |
| 431 break; | |
| 432 } | |
| 433 | |
| 434 // At this point, both read and write have returned ERR_IO_PENDING. Now we | |
| 435 // run the write and read callbacks to make sure they can handle full duplex | |
| 436 // communications. | |
| 437 | |
| 438 ResumeServerReads(); | |
| 439 rv = write_callback.WaitForResult(); | |
| 440 EXPECT_GE(rv, 0); | |
| 441 | |
| 442 // It's possible the read is blocked because it's already read all the data. | |
| 443 // Close the server socket, so there will at least be a 0-byte read. | |
| 444 CloseServerSocket(); | |
| 445 | |
| 446 rv = callback.WaitForResult(); | |
| 447 EXPECT_GE(rv, 0); | |
| 448 } | |
| 449 | |
| 450 } // namespace net | |
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Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master