net/spdy/spdy_session_pool_unittest.cc

   1 // Copyright (c) 2013 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/spdy/spdy_session_pool.h"
   6
   7 #include <cstddef>
   8 #include <string>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "net/dns/host_cache.h"
  13 #include "net/http/http_network_session.h"
  14 #include "net/socket/client_socket_handle.h"
  15 #include "net/socket/transport_client_socket_pool.h"
  16 #include "net/spdy/spdy_session.h"
  17 #include "net/spdy/spdy_test_util_common.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19
  20 namespace net {
  21
  22 namespace {
  23
  24 class SpdySessionPoolTest : public ::testing::Test,
  25                             public ::testing::WithParamInterface<NextProto> {
  26  protected:
  27   // Used by RunIPPoolingTest().
  28   enum SpdyPoolCloseSessionsType {
  29     SPDY_POOL_CLOSE_SESSIONS_MANUALLY,
  30     SPDY_POOL_CLOSE_CURRENT_SESSIONS,
  31     SPDY_POOL_CLOSE_IDLE_SESSIONS,
  32   };
  33
  34   SpdySessionPoolTest()
  35       : session_deps_(GetParam()),
  36         spdy_session_pool_(NULL) {}
  37
  38   void CreateNetworkSession() {
  39     http_session_ = SpdySessionDependencies::SpdyCreateSession(&session_deps_);
  40     spdy_session_pool_ = http_session_->spdy_session_pool();
  41   }
  42
  43   void RunIPPoolingTest(SpdyPoolCloseSessionsType close_sessions_type);
  44
  45   SpdySessionDependencies session_deps_;
  46   scoped_refptr<HttpNetworkSession> http_session_;
  47   SpdySessionPool* spdy_session_pool_;
  48 };
  49
  50 INSTANTIATE_TEST_CASE_P(
  51     NextProto,
  52     SpdySessionPoolTest,
  53     testing::Values(kProtoDeprecatedSPDY2,
  54                     kProtoSPDY3, kProtoSPDY31, kProtoSPDY4));
  55
  56 // A delegate that opens a new session when it is closed.
  57 class SessionOpeningDelegate : public SpdyStream::Delegate {
  58  public:
  59   SessionOpeningDelegate(SpdySessionPool* spdy_session_pool,
  60                          const SpdySessionKey& key)
  61       : spdy_session_pool_(spdy_session_pool),
  62         key_(key) {}
  63
  64   virtual ~SessionOpeningDelegate() {}
  65
  66   virtual void OnRequestHeadersSent() OVERRIDE {}
  67
  68   virtual SpdyResponseHeadersStatus OnResponseHeadersUpdated(
  69       const SpdyHeaderBlock& response_headers) OVERRIDE {
  70     return RESPONSE_HEADERS_ARE_COMPLETE;
  71   }
  72
  73   virtual void OnDataReceived(scoped_ptr<SpdyBuffer> buffer) OVERRIDE {}
  74
  75   virtual void OnDataSent() OVERRIDE {}
  76
  77   virtual void OnClose(int status) OVERRIDE {
  78     ignore_result(CreateFakeSpdySession(spdy_session_pool_, key_));
  79   }
  80
  81  private:
  82   SpdySessionPool* const spdy_session_pool_;
  83   const SpdySessionKey key_;
  84 };
  85
  86 // Set up a SpdyStream to create a new session when it is closed.
  87 // CloseCurrentSessions should not close the newly-created session.
  88 TEST_P(SpdySessionPoolTest, CloseCurrentSessions) {
  89   const char kTestHost[] = "www.foo.com";
  90   const int kTestPort = 80;
  91
  92   session_deps_.host_resolver->set_synchronous_mode(true);
  93
  94   HostPortPair test_host_port_pair(kTestHost, kTestPort);
  95   SpdySessionKey test_key =
  96       SpdySessionKey(
  97           test_host_port_pair, ProxyServer::Direct(),
  98           PRIVACY_MODE_DISABLED);
  99
 100   MockConnect connect_data(SYNCHRONOUS, OK);
 101   MockRead reads[] = {
 102     MockRead(SYNCHRONOUS, ERR_IO_PENDING)  // Stall forever.
 103   };
 104
 105   StaticSocketDataProvider data(reads, arraysize(reads), NULL, 0);
 106   data.set_connect_data(connect_data);
 107   session_deps_.socket_factory->AddSocketDataProvider(&data);
 108
 109   SSLSocketDataProvider ssl(SYNCHRONOUS, OK);
 110   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 111
 112   CreateNetworkSession();
 113
 114   // Setup the first session to the first host.
 115   base::WeakPtr<SpdySession> session =
 116       CreateInsecureSpdySession(http_session_, test_key, BoundNetLog());
 117
 118   // Flush the SpdySession::OnReadComplete() task.
 119   base::MessageLoop::current()->RunUntilIdle();
 120
 121   // Verify that we have sessions for everything.
 122   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_key));
 123
 124   // Set the stream to create a new session when it is closed.
 125   base::WeakPtr<SpdyStream> spdy_stream =
 126       CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 127                                 session, GURL("http://www.foo.com"),
 128                                 MEDIUM, BoundNetLog());
 129   SessionOpeningDelegate delegate(spdy_session_pool_, test_key);
 130   spdy_stream->SetDelegate(&delegate);
 131
 132   // Close the current session.
 133   spdy_session_pool_->CloseCurrentSessions(net::ERR_ABORTED);
 134
 135   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_key));
 136 }
 137
 138 TEST_P(SpdySessionPoolTest, CloseCurrentIdleSessions) {
 139   MockConnect connect_data(SYNCHRONOUS, OK);
 140   MockRead reads[] = {
 141     MockRead(ASYNC, 0, 0)  // EOF
 142   };
 143
 144   session_deps_.host_resolver->set_synchronous_mode(true);
 145
 146   StaticSocketDataProvider data(reads, arraysize(reads), NULL, 0);
 147   data.set_connect_data(connect_data);
 148   session_deps_.socket_factory->AddSocketDataProvider(&data);
 149
 150   SSLSocketDataProvider ssl(SYNCHRONOUS, OK);
 151   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 152
 153   CreateNetworkSession();
 154
 155   // Set up session 1
 156   const std::string kTestHost1("http://www.a.com");
 157   HostPortPair test_host_port_pair1(kTestHost1, 80);
 158   SpdySessionKey key1(test_host_port_pair1, ProxyServer::Direct(),
 159                       PRIVACY_MODE_DISABLED);
 160   base::WeakPtr<SpdySession> session1 =
 161       CreateInsecureSpdySession(http_session_, key1, BoundNetLog());
 162   GURL url1(kTestHost1);
 163   base::WeakPtr<SpdyStream> spdy_stream1 =
 164       CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 165                                 session1, url1, MEDIUM, BoundNetLog());
 166   ASSERT_TRUE(spdy_stream1.get() != NULL);
 167
 168   // Set up session 2
 169   session_deps_.socket_factory->AddSocketDataProvider(&data);
 170   const std::string kTestHost2("http://www.b.com");
 171   HostPortPair test_host_port_pair2(kTestHost2, 80);
 172   SpdySessionKey key2(test_host_port_pair2, ProxyServer::Direct(),
 173                       PRIVACY_MODE_DISABLED);
 174   base::WeakPtr<SpdySession> session2 =
 175       CreateInsecureSpdySession(http_session_, key2, BoundNetLog());
 176   GURL url2(kTestHost2);
 177   base::WeakPtr<SpdyStream> spdy_stream2 =
 178       CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 179                                 session2, url2, MEDIUM, BoundNetLog());
 180   ASSERT_TRUE(spdy_stream2.get() != NULL);
 181
 182   // Set up session 3
 183   session_deps_.socket_factory->AddSocketDataProvider(&data);
 184   const std::string kTestHost3("http://www.c.com");
 185   HostPortPair test_host_port_pair3(kTestHost3, 80);
 186   SpdySessionKey key3(test_host_port_pair3, ProxyServer::Direct(),
 187                       PRIVACY_MODE_DISABLED);
 188   base::WeakPtr<SpdySession> session3 =
 189       CreateInsecureSpdySession(http_session_, key3, BoundNetLog());
 190   GURL url3(kTestHost3);
 191   base::WeakPtr<SpdyStream> spdy_stream3 =
 192       CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 193                                 session3, url3, MEDIUM, BoundNetLog());
 194   ASSERT_TRUE(spdy_stream3.get() != NULL);
 195
 196   // All sessions are active and not closed
 197   EXPECT_TRUE(session1->is_active());
 198   EXPECT_FALSE(session1->IsClosed());
 199   EXPECT_TRUE(session2->is_active());
 200   EXPECT_FALSE(session2->IsClosed());
 201   EXPECT_TRUE(session3->is_active());
 202   EXPECT_FALSE(session3->IsClosed());
 203
 204   // Should not do anything, all are active
 205   spdy_session_pool_->CloseCurrentIdleSessions();
 206   EXPECT_TRUE(session1->is_active());
 207   EXPECT_FALSE(session1->IsClosed());
 208   EXPECT_TRUE(session2->is_active());
 209   EXPECT_FALSE(session2->IsClosed());
 210   EXPECT_TRUE(session3->is_active());
 211   EXPECT_FALSE(session3->IsClosed());
 212
 213   // Make sessions 1 and 3 inactive, but keep them open.
 214   // Session 2 still open and active
 215   session1->CloseCreatedStream(spdy_stream1, OK);
 216   EXPECT_EQ(NULL, spdy_stream1.get());
 217   session3->CloseCreatedStream(spdy_stream3, OK);
 218   EXPECT_EQ(NULL, spdy_stream3.get());
 219   EXPECT_FALSE(session1->is_active());
 220   EXPECT_FALSE(session1->IsClosed());
 221   EXPECT_TRUE(session2->is_active());
 222   EXPECT_FALSE(session2->IsClosed());
 223   EXPECT_FALSE(session3->is_active());
 224   EXPECT_FALSE(session3->IsClosed());
 225
 226   // Should close session 1 and 3, 2 should be left open
 227   spdy_session_pool_->CloseCurrentIdleSessions();
 228   EXPECT_TRUE(session1 == NULL);
 229   EXPECT_TRUE(session2->is_active());
 230   EXPECT_FALSE(session2->IsClosed());
 231   EXPECT_TRUE(session3 == NULL);
 232
 233   // Should not do anything
 234   spdy_session_pool_->CloseCurrentIdleSessions();
 235   EXPECT_TRUE(session2->is_active());
 236   EXPECT_FALSE(session2->IsClosed());
 237
 238   // Make 2 not active
 239   session2->CloseCreatedStream(spdy_stream2, OK);
 240   EXPECT_EQ(NULL, spdy_stream2.get());
 241   EXPECT_FALSE(session2->is_active());
 242   EXPECT_FALSE(session2->IsClosed());
 243
 244   // This should close session 2
 245   spdy_session_pool_->CloseCurrentIdleSessions();
 246   EXPECT_TRUE(session2 == NULL);
 247 }
 248
 249 // Set up a SpdyStream to create a new session when it is closed.
 250 // CloseAllSessions should close the newly-created session.
 251 TEST_P(SpdySessionPoolTest, CloseAllSessions) {
 252   const char kTestHost[] = "www.foo.com";
 253   const int kTestPort = 80;
 254
 255   session_deps_.host_resolver->set_synchronous_mode(true);
 256
 257   HostPortPair test_host_port_pair(kTestHost, kTestPort);
 258   SpdySessionKey test_key =
 259       SpdySessionKey(
 260           test_host_port_pair, ProxyServer::Direct(),
 261           PRIVACY_MODE_DISABLED);
 262
 263   MockConnect connect_data(SYNCHRONOUS, OK);
 264   MockRead reads[] = {
 265     MockRead(SYNCHRONOUS, ERR_IO_PENDING)  // Stall forever.
 266   };
 267
 268   StaticSocketDataProvider data(reads, arraysize(reads), NULL, 0);
 269   data.set_connect_data(connect_data);
 270   session_deps_.socket_factory->AddSocketDataProvider(&data);
 271
 272   SSLSocketDataProvider ssl(SYNCHRONOUS, OK);
 273   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 274
 275   CreateNetworkSession();
 276
 277   // Setup the first session to the first host.
 278   base::WeakPtr<SpdySession> session =
 279       CreateInsecureSpdySession(http_session_, test_key, BoundNetLog());
 280
 281   // Flush the SpdySession::OnReadComplete() task.
 282   base::MessageLoop::current()->RunUntilIdle();
 283
 284   // Verify that we have sessions for everything.
 285   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_key));
 286
 287   // Set the stream to create a new session when it is closed.
 288   base::WeakPtr<SpdyStream> spdy_stream =
 289       CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 290                                 session, GURL("http://www.foo.com"),
 291                                 MEDIUM, BoundNetLog());
 292   SessionOpeningDelegate delegate(spdy_session_pool_, test_key);
 293   spdy_stream->SetDelegate(&delegate);
 294
 295   // Close the current session.
 296   spdy_session_pool_->CloseAllSessions();
 297
 298   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_key));
 299 }
 300
 301 // This test has three variants, one for each style of closing the connection.
 302 // If |clean_via_close_current_sessions| is SPDY_POOL_CLOSE_SESSIONS_MANUALLY,
 303 // the sessions are closed manually, calling SpdySessionPool::Remove() directly.
 304 // If |clean_via_close_current_sessions| is SPDY_POOL_CLOSE_CURRENT_SESSIONS,
 305 // sessions are closed with SpdySessionPool::CloseCurrentSessions().
 306 // If |clean_via_close_current_sessions| is SPDY_POOL_CLOSE_IDLE_SESSIONS,
 307 // sessions are closed with SpdySessionPool::CloseIdleSessions().
 308 void SpdySessionPoolTest::RunIPPoolingTest(
 309     SpdyPoolCloseSessionsType close_sessions_type) {
 310   const int kTestPort = 80;
 311   struct TestHosts {
 312     std::string url;
 313     std::string name;
 314     std::string iplist;
 315     SpdySessionKey key;
 316     AddressList addresses;
 317   } test_hosts[] = {
 318     { "http:://www.foo.com",
 319       "www.foo.com",
 320       "192.0.2.33,192.168.0.1,192.168.0.5"
 321     },
 322     { "http://js.foo.com",
 323       "js.foo.com",
 324       "192.168.0.2,192.168.0.3,192.168.0.5,192.0.2.33"
 325     },
 326     { "http://images.foo.com",
 327       "images.foo.com",
 328       "192.168.0.4,192.168.0.3"
 329     },
 330   };
 331
 332   session_deps_.host_resolver->set_synchronous_mode(true);
 333   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_hosts); i++) {
 334     session_deps_.host_resolver->rules()->AddIPLiteralRule(
 335         test_hosts[i].name, test_hosts[i].iplist, std::string());
 336
 337     // This test requires that the HostResolver cache be populated.  Normal
 338     // code would have done this already, but we do it manually.
 339     HostResolver::RequestInfo info(HostPortPair(test_hosts[i].name, kTestPort));
 340     session_deps_.host_resolver->Resolve(info,
 341                                          DEFAULT_PRIORITY,
 342                                          &test_hosts[i].addresses,
 343                                          CompletionCallback(),
 344                                          NULL,
 345                                          BoundNetLog());
 346
 347     // Setup a SpdySessionKey
 348     test_hosts[i].key = SpdySessionKey(
 349         HostPortPair(test_hosts[i].name, kTestPort), ProxyServer::Direct(),
 350         PRIVACY_MODE_DISABLED);
 351   }
 352
 353   MockConnect connect_data(SYNCHRONOUS, OK);
 354   MockRead reads[] = {
 355     MockRead(SYNCHRONOUS, ERR_IO_PENDING)  // Stall forever.
 356   };
 357
 358   StaticSocketDataProvider data(reads, arraysize(reads), NULL, 0);
 359   data.set_connect_data(connect_data);
 360   session_deps_.socket_factory->AddSocketDataProvider(&data);
 361
 362   SSLSocketDataProvider ssl(SYNCHRONOUS, OK);
 363   session_deps_.socket_factory->AddSSLSocketDataProvider(&ssl);
 364
 365   CreateNetworkSession();
 366
 367   // Setup the first session to the first host.
 368   base::WeakPtr<SpdySession> session =
 369       CreateInsecureSpdySession(
 370           http_session_, test_hosts[0].key, BoundNetLog());
 371
 372   // Flush the SpdySession::OnReadComplete() task.
 373   base::MessageLoop::current()->RunUntilIdle();
 374
 375   // The third host has no overlap with the first, so it can't pool IPs.
 376   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_hosts[2].key));
 377
 378   // The second host overlaps with the first, and should IP pool.
 379   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
 380
 381   // Verify that the second host, through a proxy, won't share the IP.
 382   SpdySessionKey proxy_key(test_hosts[1].key.host_port_pair(),
 383       ProxyServer::FromPacString("HTTP http://proxy.foo.com/"),
 384       PRIVACY_MODE_DISABLED);
 385   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, proxy_key));
 386
 387   // Overlap between 2 and 3 does is not transitive to 1.
 388   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_hosts[2].key));
 389
 390   // Create a new session to host 2.
 391   session_deps_.socket_factory->AddSocketDataProvider(&data);
 392   base::WeakPtr<SpdySession> session2 =
 393       CreateInsecureSpdySession(
 394           http_session_, test_hosts[2].key, BoundNetLog());
 395
 396   // Verify that we have sessions for everything.
 397   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[0].key));
 398   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
 399   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[2].key));
 400
 401   // Grab the session to host 1 and verify that it is the same session
 402   // we got with host 0, and that is a different from host 2's session.
 403   base::WeakPtr<SpdySession> session1 =
 404       spdy_session_pool_->FindAvailableSession(
 405           test_hosts[1].key, BoundNetLog());
 406   EXPECT_EQ(session.get(), session1.get());
 407   EXPECT_NE(session2.get(), session1.get());
 408
 409   // Remove the aliases and observe that we still have a session for host1.
 410   SpdySessionPoolPeer pool_peer(spdy_session_pool_);
 411   pool_peer.RemoveAliases(test_hosts[0].key);
 412   pool_peer.RemoveAliases(test_hosts[1].key);
 413   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
 414
 415   // Expire the host cache
 416   session_deps_.host_resolver->GetHostCache()->clear();
 417   EXPECT_TRUE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
 418
 419   // Cleanup the sessions.
 420   switch (close_sessions_type) {
 421     case SPDY_POOL_CLOSE_SESSIONS_MANUALLY:
 422       session->CloseSessionOnError(ERR_ABORTED, std::string());
 423       EXPECT_TRUE(session == NULL);
 424       session2->CloseSessionOnError(ERR_ABORTED, std::string());
 425       EXPECT_TRUE(session2 == NULL);
 426       break;
 427     case SPDY_POOL_CLOSE_CURRENT_SESSIONS:
 428       spdy_session_pool_->CloseCurrentSessions(ERR_ABORTED);
 429       break;
 430     case SPDY_POOL_CLOSE_IDLE_SESSIONS:
 431       GURL url(test_hosts[0].url);
 432       base::WeakPtr<SpdyStream> spdy_stream =
 433           CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 434                                     session, url, MEDIUM, BoundNetLog());
 435       GURL url1(test_hosts[1].url);
 436       base::WeakPtr<SpdyStream> spdy_stream1 =
 437           CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 438                                     session1, url1, MEDIUM, BoundNetLog());
 439       GURL url2(test_hosts[2].url);
 440       base::WeakPtr<SpdyStream> spdy_stream2 =
 441           CreateStreamSynchronously(SPDY_BIDIRECTIONAL_STREAM,
 442                                     session2, url2, MEDIUM, BoundNetLog());
 443
 444       // Close streams to make spdy_session and spdy_session1 inactive.
 445       session->CloseCreatedStream(spdy_stream, OK);
 446       EXPECT_EQ(NULL, spdy_stream.get());
 447       session1->CloseCreatedStream(spdy_stream1, OK);
 448       EXPECT_EQ(NULL, spdy_stream1.get());
 449
 450       // Check spdy_session and spdy_session1 are not closed.
 451       EXPECT_FALSE(session->is_active());
 452       EXPECT_FALSE(session->IsClosed());
 453       EXPECT_FALSE(session1->is_active());
 454       EXPECT_FALSE(session1->IsClosed());
 455       EXPECT_TRUE(session2->is_active());
 456       EXPECT_FALSE(session2->IsClosed());
 457
 458       // Test that calling CloseIdleSessions, does not cause a crash.
 459       // http://crbug.com/181400
 460       spdy_session_pool_->CloseCurrentIdleSessions();
 461
 462       // Verify spdy_session and spdy_session1 are closed.
 463       EXPECT_TRUE(session == NULL);
 464       EXPECT_TRUE(session1 == NULL);
 465       EXPECT_TRUE(session2->is_active());
 466       EXPECT_FALSE(session2->IsClosed());
 467
 468       spdy_stream2->Cancel();
 469       EXPECT_EQ(NULL, spdy_stream.get());
 470       EXPECT_EQ(NULL, spdy_stream1.get());
 471       EXPECT_EQ(NULL, spdy_stream2.get());
 472       session2->CloseSessionOnError(ERR_ABORTED, std::string());
 473       EXPECT_TRUE(session2 == NULL);
 474       break;
 475   }
 476
 477   // Verify that the map is all cleaned up.
 478   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_hosts[0].key));
 479   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_hosts[1].key));
 480   EXPECT_FALSE(HasSpdySession(spdy_session_pool_, test_hosts[2].key));
 481 }
 482
 483 TEST_P(SpdySessionPoolTest, IPPooling) {
 484   RunIPPoolingTest(SPDY_POOL_CLOSE_SESSIONS_MANUALLY);
 485 }
 486
 487 TEST_P(SpdySessionPoolTest, IPPoolingCloseCurrentSessions) {
 488   RunIPPoolingTest(SPDY_POOL_CLOSE_CURRENT_SESSIONS);
 489 }
 490
 491 TEST_P(SpdySessionPoolTest, IPPoolingCloseIdleSessions) {
 492   RunIPPoolingTest(SPDY_POOL_CLOSE_IDLE_SESSIONS);
 493 }
 494
 495 }  // namespace
 496
 497 }  // namespace net