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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/websockets/websocket_throttle.h" | |
| 6 | |
| 7 #include <string> | |
| 8 | |
| 9 #include "base/message_loop/message_loop.h" | |
| 10 #include "net/base/address_list.h" | |
| 11 #include "net/base/test_completion_callback.h" | |
| 12 #include "net/socket_stream/socket_stream.h" | |
| 13 #include "net/url_request/url_request_test_util.h" | |
| 14 #include "net/websockets/websocket_job.h" | |
| 15 #include "testing/gtest/include/gtest/gtest.h" | |
| 16 #include "testing/platform_test.h" | |
| 17 #include "url/gurl.h" | |
| 18 | |
| 19 class DummySocketStreamDelegate : public net::SocketStream::Delegate { | |
| 20 public: | |
| 21 DummySocketStreamDelegate() {} | |
| 22 virtual ~DummySocketStreamDelegate() {} | |
| 23 virtual void OnConnected( | |
| 24 net::SocketStream* socket, int max_pending_send_allowed) OVERRIDE {} | |
| 25 virtual void OnSentData(net::SocketStream* socket, | |
| 26 int amount_sent) OVERRIDE {} | |
| 27 virtual void OnReceivedData(net::SocketStream* socket, | |
| 28 const char* data, int len) OVERRIDE {} | |
| 29 virtual void OnClose(net::SocketStream* socket) OVERRIDE {} | |
| 30 }; | |
| 31 | |
| 32 namespace net { | |
| 33 | |
| 34 class WebSocketThrottleTest : public PlatformTest { | |
| 35 protected: | |
| 36 static IPEndPoint MakeAddr(int a1, int a2, int a3, int a4) { | |
| 37 IPAddressNumber ip; | |
| 38 ip.push_back(a1); | |
| 39 ip.push_back(a2); | |
| 40 ip.push_back(a3); | |
| 41 ip.push_back(a4); | |
| 42 return IPEndPoint(ip, 0); | |
| 43 } | |
| 44 | |
| 45 static void MockSocketStreamConnect( | |
| 46 SocketStream* socket, const AddressList& list) { | |
| 47 socket->set_addresses(list); | |
| 48 // TODO(toyoshim): We should introduce additional tests on cases via proxy. | |
| 49 socket->proxy_info_.UseDirect(); | |
| 50 // In SocketStream::Connect(), it adds reference to socket, which is | |
| 51 // balanced with SocketStream::Finish() that is finally called from | |
| 52 // SocketStream::Close() or SocketStream::DetachDelegate(), when | |
| 53 // next_state_ is not STATE_NONE. | |
| 54 // If next_state_ is STATE_NONE, SocketStream::Close() or | |
| 55 // SocketStream::DetachDelegate() won't call SocketStream::Finish(), | |
| 56 // so Release() won't be called. Thus, we don't need socket->AddRef() | |
| 57 // here. | |
| 58 DCHECK_EQ(socket->next_state_, SocketStream::STATE_NONE); | |
| 59 } | |
| 60 }; | |
| 61 | |
| 62 TEST_F(WebSocketThrottleTest, Throttle) { | |
| 63 TestURLRequestContext context; | |
| 64 DummySocketStreamDelegate delegate; | |
| 65 // TODO(toyoshim): We need to consider both spdy-enabled and spdy-disabled | |
| 66 // configuration. | |
| 67 WebSocketJob::set_websocket_over_spdy_enabled(true); | |
| 68 | |
| 69 // For host1: 1.2.3.4, 1.2.3.5, 1.2.3.6 | |
| 70 AddressList addr; | |
| 71 addr.push_back(MakeAddr(1, 2, 3, 4)); | |
| 72 addr.push_back(MakeAddr(1, 2, 3, 5)); | |
| 73 addr.push_back(MakeAddr(1, 2, 3, 6)); | |
| 74 scoped_refptr<WebSocketJob> w1(new WebSocketJob(&delegate)); | |
| 75 scoped_refptr<SocketStream> s1( | |
| 76 new SocketStream(GURL("ws://host1/"), w1.get())); | |
| 77 s1->set_context(&context); | |
| 78 w1->InitSocketStream(s1.get()); | |
| 79 WebSocketThrottleTest::MockSocketStreamConnect(s1.get(), addr); | |
| 80 | |
| 81 DVLOG(1) << "socket1"; | |
| 82 TestCompletionCallback callback_s1; | |
| 83 // Trying to open connection to host1 will start without wait. | |
| 84 EXPECT_EQ(OK, w1->OnStartOpenConnection(s1.get(), callback_s1.callback())); | |
| 85 | |
| 86 // Now connecting to host1, so waiting queue looks like | |
| 87 // Address | head -> tail | |
| 88 // 1.2.3.4 | w1 | |
| 89 // 1.2.3.5 | w1 | |
| 90 // 1.2.3.6 | w1 | |
| 91 | |
| 92 // For host2: 1.2.3.4 | |
| 93 addr.clear(); | |
| 94 addr.push_back(MakeAddr(1, 2, 3, 4)); | |
| 95 scoped_refptr<WebSocketJob> w2(new WebSocketJob(&delegate)); | |
| 96 scoped_refptr<SocketStream> s2( | |
| 97 new SocketStream(GURL("ws://host2/"), w2.get())); | |
| 98 s2->set_context(&context); | |
| 99 w2->InitSocketStream(s2.get()); | |
| 100 WebSocketThrottleTest::MockSocketStreamConnect(s2.get(), addr); | |
| 101 | |
| 102 DVLOG(1) << "socket2"; | |
| 103 TestCompletionCallback callback_s2; | |
| 104 // Trying to open connection to host2 will wait for w1. | |
| 105 EXPECT_EQ(ERR_IO_PENDING, | |
| 106 w2->OnStartOpenConnection(s2.get(), callback_s2.callback())); | |
| 107 // Now waiting queue looks like | |
| 108 // Address | head -> tail | |
| 109 // 1.2.3.4 | w1 w2 | |
| 110 // 1.2.3.5 | w1 | |
| 111 // 1.2.3.6 | w1 | |
| 112 | |
| 113 // For host3: 1.2.3.5 | |
| 114 addr.clear(); | |
| 115 addr.push_back(MakeAddr(1, 2, 3, 5)); | |
| 116 scoped_refptr<WebSocketJob> w3(new WebSocketJob(&delegate)); | |
| 117 scoped_refptr<SocketStream> s3( | |
| 118 new SocketStream(GURL("ws://host3/"), w3.get())); | |
| 119 s3->set_context(&context); | |
| 120 w3->InitSocketStream(s3.get()); | |
| 121 WebSocketThrottleTest::MockSocketStreamConnect(s3.get(), addr); | |
| 122 | |
| 123 DVLOG(1) << "socket3"; | |
| 124 TestCompletionCallback callback_s3; | |
| 125 // Trying to open connection to host3 will wait for w1. | |
| 126 EXPECT_EQ(ERR_IO_PENDING, | |
| 127 w3->OnStartOpenConnection(s3.get(), callback_s3.callback())); | |
| 128 // Address | head -> tail | |
| 129 // 1.2.3.4 | w1 w2 | |
| 130 // 1.2.3.5 | w1 w3 | |
| 131 // 1.2.3.6 | w1 | |
| 132 | |
| 133 // For host4: 1.2.3.4, 1.2.3.6 | |
| 134 addr.clear(); | |
| 135 addr.push_back(MakeAddr(1, 2, 3, 4)); | |
| 136 addr.push_back(MakeAddr(1, 2, 3, 6)); | |
| 137 scoped_refptr<WebSocketJob> w4(new WebSocketJob(&delegate)); | |
| 138 scoped_refptr<SocketStream> s4( | |
| 139 new SocketStream(GURL("ws://host4/"), w4.get())); | |
| 140 s4->set_context(&context); | |
| 141 w4->InitSocketStream(s4.get()); | |
| 142 WebSocketThrottleTest::MockSocketStreamConnect(s4.get(), addr); | |
| 143 | |
| 144 DVLOG(1) << "socket4"; | |
| 145 TestCompletionCallback callback_s4; | |
| 146 // Trying to open connection to host4 will wait for w1, w2. | |
| 147 EXPECT_EQ(ERR_IO_PENDING, | |
| 148 w4->OnStartOpenConnection(s4.get(), callback_s4.callback())); | |
| 149 // Address | head -> tail | |
| 150 // 1.2.3.4 | w1 w2 w4 | |
| 151 // 1.2.3.5 | w1 w3 | |
| 152 // 1.2.3.6 | w1 w4 | |
| 153 | |
| 154 // For host5: 1.2.3.6 | |
| 155 addr.clear(); | |
| 156 addr.push_back(MakeAddr(1, 2, 3, 6)); | |
| 157 scoped_refptr<WebSocketJob> w5(new WebSocketJob(&delegate)); | |
| 158 scoped_refptr<SocketStream> s5( | |
| 159 new SocketStream(GURL("ws://host5/"), w5.get())); | |
| 160 s5->set_context(&context); | |
| 161 w5->InitSocketStream(s5.get()); | |
| 162 WebSocketThrottleTest::MockSocketStreamConnect(s5.get(), addr); | |
| 163 | |
| 164 DVLOG(1) << "socket5"; | |
| 165 TestCompletionCallback callback_s5; | |
| 166 // Trying to open connection to host5 will wait for w1, w4 | |
| 167 EXPECT_EQ(ERR_IO_PENDING, | |
| 168 w5->OnStartOpenConnection(s5.get(), callback_s5.callback())); | |
| 169 // Address | head -> tail | |
| 170 // 1.2.3.4 | w1 w2 w4 | |
| 171 // 1.2.3.5 | w1 w3 | |
| 172 // 1.2.3.6 | w1 w4 w5 | |
| 173 | |
| 174 // For host6: 1.2.3.6 | |
| 175 addr.clear(); | |
| 176 addr.push_back(MakeAddr(1, 2, 3, 6)); | |
| 177 scoped_refptr<WebSocketJob> w6(new WebSocketJob(&delegate)); | |
| 178 scoped_refptr<SocketStream> s6( | |
| 179 new SocketStream(GURL("ws://host6/"), w6.get())); | |
| 180 s6->set_context(&context); | |
| 181 w6->InitSocketStream(s6.get()); | |
| 182 WebSocketThrottleTest::MockSocketStreamConnect(s6.get(), addr); | |
| 183 | |
| 184 DVLOG(1) << "socket6"; | |
| 185 TestCompletionCallback callback_s6; | |
| 186 // Trying to open connection to host6 will wait for w1, w4, w5 | |
| 187 EXPECT_EQ(ERR_IO_PENDING, | |
| 188 w6->OnStartOpenConnection(s6.get(), callback_s6.callback())); | |
| 189 // Address | head -> tail | |
| 190 // 1.2.3.4 | w1 w2 w4 | |
| 191 // 1.2.3.5 | w1 w3 | |
| 192 // 1.2.3.6 | w1 w4 w5 w6 | |
| 193 | |
| 194 // Receive partial response on w1, still connecting. | |
| 195 DVLOG(1) << "socket1 1"; | |
| 196 static const char kHeader[] = "HTTP/1.1 101 WebSocket Protocol\r\n"; | |
| 197 w1->OnReceivedData(s1.get(), kHeader, sizeof(kHeader) - 1); | |
| 198 EXPECT_FALSE(callback_s2.have_result()); | |
| 199 EXPECT_FALSE(callback_s3.have_result()); | |
| 200 EXPECT_FALSE(callback_s4.have_result()); | |
| 201 EXPECT_FALSE(callback_s5.have_result()); | |
| 202 EXPECT_FALSE(callback_s6.have_result()); | |
| 203 | |
| 204 // Receive rest of handshake response on w1. | |
| 205 DVLOG(1) << "socket1 2"; | |
| 206 static const char kHeader2[] = | |
| 207 "Upgrade: WebSocket\r\n" | |
| 208 "Connection: Upgrade\r\n" | |
| 209 "Sec-WebSocket-Origin: http://www.google.com\r\n" | |
| 210 "Sec-WebSocket-Location: ws://websocket.chromium.org\r\n" | |
| 211 "\r\n" | |
| 212 "8jKS'y:G*Co,Wxa-"; | |
| 213 w1->OnReceivedData(s1.get(), kHeader2, sizeof(kHeader2) - 1); | |
| 214 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 215 // Now, w1 is open. | |
| 216 EXPECT_EQ(WebSocketJob::OPEN, w1->state()); | |
| 217 // So, w2 and w3 can start connecting. w4 needs to wait w2 (1.2.3.4) | |
| 218 EXPECT_TRUE(callback_s2.have_result()); | |
| 219 EXPECT_TRUE(callback_s3.have_result()); | |
| 220 EXPECT_FALSE(callback_s4.have_result()); | |
| 221 // Address | head -> tail | |
| 222 // 1.2.3.4 | w2 w4 | |
| 223 // 1.2.3.5 | w3 | |
| 224 // 1.2.3.6 | w4 w5 w6 | |
| 225 | |
| 226 // Closing s1 doesn't change waiting queue. | |
| 227 DVLOG(1) << "socket1 close"; | |
| 228 w1->OnClose(s1.get()); | |
| 229 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 230 EXPECT_FALSE(callback_s4.have_result()); | |
| 231 s1->DetachDelegate(); | |
| 232 // Address | head -> tail | |
| 233 // 1.2.3.4 | w2 w4 | |
| 234 // 1.2.3.5 | w3 | |
| 235 // 1.2.3.6 | w4 w5 w6 | |
| 236 | |
| 237 // w5 can close while waiting in queue. | |
| 238 DVLOG(1) << "socket5 close"; | |
| 239 // w5 close() closes SocketStream that change state to STATE_CLOSE, calls | |
| 240 // DoLoop(), so OnClose() callback will be called. | |
| 241 w5->OnClose(s5.get()); | |
| 242 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 243 EXPECT_FALSE(callback_s4.have_result()); | |
| 244 // Address | head -> tail | |
| 245 // 1.2.3.4 | w2 w4 | |
| 246 // 1.2.3.5 | w3 | |
| 247 // 1.2.3.6 | w4 w6 | |
| 248 s5->DetachDelegate(); | |
| 249 | |
| 250 // w6 close abnormally (e.g. renderer finishes) while waiting in queue. | |
| 251 DVLOG(1) << "socket6 close abnormally"; | |
| 252 w6->DetachDelegate(); | |
| 253 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 254 EXPECT_FALSE(callback_s4.have_result()); | |
| 255 // Address | head -> tail | |
| 256 // 1.2.3.4 | w2 w4 | |
| 257 // 1.2.3.5 | w3 | |
| 258 // 1.2.3.6 | w4 | |
| 259 | |
| 260 // Closing s2 kicks w4 to start connecting. | |
| 261 DVLOG(1) << "socket2 close"; | |
| 262 w2->OnClose(s2.get()); | |
| 263 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 264 EXPECT_TRUE(callback_s4.have_result()); | |
| 265 // Address | head -> tail | |
| 266 // 1.2.3.4 | w4 | |
| 267 // 1.2.3.5 | w3 | |
| 268 // 1.2.3.6 | w4 | |
| 269 s2->DetachDelegate(); | |
| 270 | |
| 271 DVLOG(1) << "socket3 close"; | |
| 272 w3->OnClose(s3.get()); | |
| 273 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 274 s3->DetachDelegate(); | |
| 275 w4->OnClose(s4.get()); | |
| 276 s4->DetachDelegate(); | |
| 277 DVLOG(1) << "Done"; | |
| 278 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 279 } | |
| 280 | |
| 281 TEST_F(WebSocketThrottleTest, NoThrottleForDuplicateAddress) { | |
| 282 TestURLRequestContext context; | |
| 283 DummySocketStreamDelegate delegate; | |
| 284 WebSocketJob::set_websocket_over_spdy_enabled(true); | |
| 285 | |
| 286 // For localhost: 127.0.0.1, 127.0.0.1 | |
| 287 AddressList addr; | |
| 288 addr.push_back(MakeAddr(127, 0, 0, 1)); | |
| 289 addr.push_back(MakeAddr(127, 0, 0, 1)); | |
| 290 scoped_refptr<WebSocketJob> w1(new WebSocketJob(&delegate)); | |
| 291 scoped_refptr<SocketStream> s1( | |
| 292 new SocketStream(GURL("ws://localhost/"), w1.get())); | |
| 293 s1->set_context(&context); | |
| 294 w1->InitSocketStream(s1.get()); | |
| 295 WebSocketThrottleTest::MockSocketStreamConnect(s1.get(), addr); | |
| 296 | |
| 297 DVLOG(1) << "socket1"; | |
| 298 TestCompletionCallback callback_s1; | |
| 299 // Trying to open connection to localhost will start without wait. | |
| 300 EXPECT_EQ(OK, w1->OnStartOpenConnection(s1.get(), callback_s1.callback())); | |
| 301 | |
| 302 DVLOG(1) << "socket1 close"; | |
| 303 w1->OnClose(s1.get()); | |
| 304 s1->DetachDelegate(); | |
| 305 DVLOG(1) << "Done"; | |
| 306 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 307 } | |
| 308 | |
| 309 // A connection should not be blocked by another connection to the same IP | |
| 310 // with a different port. | |
| 311 TEST_F(WebSocketThrottleTest, NoThrottleForDistinctPort) { | |
| 312 TestURLRequestContext context; | |
| 313 DummySocketStreamDelegate delegate; | |
| 314 IPAddressNumber localhost; | |
| 315 ParseIPLiteralToNumber("127.0.0.1", &localhost); | |
| 316 WebSocketJob::set_websocket_over_spdy_enabled(false); | |
| 317 | |
| 318 // socket1: 127.0.0.1:80 | |
| 319 scoped_refptr<WebSocketJob> w1(new WebSocketJob(&delegate)); | |
| 320 scoped_refptr<SocketStream> s1( | |
| 321 new SocketStream(GURL("ws://localhost:80/"), w1.get())); | |
| 322 s1->set_context(&context); | |
| 323 w1->InitSocketStream(s1.get()); | |
| 324 MockSocketStreamConnect(s1.get(), | |
| 325 AddressList::CreateFromIPAddress(localhost, 80)); | |
| 326 | |
| 327 DVLOG(1) << "connecting socket1"; | |
| 328 TestCompletionCallback callback_s1; | |
| 329 // Trying to open connection to localhost:80 will start without waiting. | |
| 330 EXPECT_EQ(OK, w1->OnStartOpenConnection(s1.get(), callback_s1.callback())); | |
| 331 | |
| 332 // socket2: 127.0.0.1:81 | |
| 333 scoped_refptr<WebSocketJob> w2(new WebSocketJob(&delegate)); | |
| 334 scoped_refptr<SocketStream> s2( | |
| 335 new SocketStream(GURL("ws://localhost:81/"), w2.get())); | |
| 336 s2->set_context(&context); | |
| 337 w2->InitSocketStream(s2.get()); | |
| 338 MockSocketStreamConnect(s2.get(), | |
| 339 AddressList::CreateFromIPAddress(localhost, 81)); | |
| 340 | |
| 341 DVLOG(1) << "connecting socket2"; | |
| 342 TestCompletionCallback callback_s2; | |
| 343 // Trying to open connection to localhost:81 will start without waiting. | |
| 344 EXPECT_EQ(OK, w2->OnStartOpenConnection(s2.get(), callback_s2.callback())); | |
| 345 | |
| 346 DVLOG(1) << "closing socket1"; | |
| 347 w1->OnClose(s1.get()); | |
| 348 s1->DetachDelegate(); | |
| 349 | |
| 350 DVLOG(1) << "closing socket2"; | |
| 351 w2->OnClose(s2.get()); | |
| 352 s2->DetachDelegate(); | |
| 353 DVLOG(1) << "Done"; | |
| 354 base::MessageLoopForIO::current()->RunUntilIdle(); | |
| 355 } | |
| 356 | |
| 357 } | |
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