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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/quic/quic_session.h" | |
| 6 | |
| 7 #include <set> | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/containers/hash_tables.h" | |
| 11 #include "base/rand_util.h" | |
| 12 #include "base/stl_util.h" | |
| 13 #include "base/strings/string_number_conversions.h" | |
| 14 #include "net/quic/crypto/crypto_protocol.h" | |
| 15 #include "net/quic/quic_crypto_stream.h" | |
| 16 #include "net/quic/quic_flags.h" | |
| 17 #include "net/quic/quic_protocol.h" | |
| 18 #include "net/quic/quic_utils.h" | |
| 19 #include "net/quic/reliable_quic_stream.h" | |
| 20 #include "net/quic/test_tools/quic_config_peer.h" | |
| 21 #include "net/quic/test_tools/quic_connection_peer.h" | |
| 22 #include "net/quic/test_tools/quic_data_stream_peer.h" | |
| 23 #include "net/quic/test_tools/quic_flow_controller_peer.h" | |
| 24 #include "net/quic/test_tools/quic_session_peer.h" | |
| 25 #include "net/quic/test_tools/quic_test_utils.h" | |
| 26 #include "net/quic/test_tools/reliable_quic_stream_peer.h" | |
| 27 #include "net/spdy/spdy_framer.h" | |
| 28 #include "net/test/gtest_util.h" | |
| 29 #include "testing/gmock/include/gmock/gmock.h" | |
| 30 #include "testing/gmock_mutant.h" | |
| 31 #include "testing/gtest/include/gtest/gtest.h" | |
| 32 | |
| 33 using base::hash_map; | |
| 34 using std::set; | |
| 35 using std::string; | |
| 36 using std::vector; | |
| 37 using testing::CreateFunctor; | |
| 38 using testing::InSequence; | |
| 39 using testing::Invoke; | |
| 40 using testing::Return; | |
| 41 using testing::StrictMock; | |
| 42 using testing::_; | |
| 43 | |
| 44 namespace net { | |
| 45 namespace test { | |
| 46 namespace { | |
| 47 | |
| 48 const QuicPriority kHighestPriority = 0; | |
| 49 const QuicPriority kSomeMiddlePriority = 3; | |
| 50 | |
| 51 class TestCryptoStream : public QuicCryptoStream { | |
| 52 public: | |
| 53 explicit TestCryptoStream(QuicSession* session) | |
| 54 : QuicCryptoStream(session) { | |
| 55 } | |
| 56 | |
| 57 void OnHandshakeMessage(const CryptoHandshakeMessage& message) override { | |
| 58 encryption_established_ = true; | |
| 59 handshake_confirmed_ = true; | |
| 60 CryptoHandshakeMessage msg; | |
| 61 string error_details; | |
| 62 session()->config()->SetInitialStreamFlowControlWindowToSend( | |
| 63 kInitialStreamFlowControlWindowForTest); | |
| 64 session()->config()->SetInitialSessionFlowControlWindowToSend( | |
| 65 kInitialSessionFlowControlWindowForTest); | |
| 66 session()->config()->ToHandshakeMessage(&msg); | |
| 67 const QuicErrorCode error = session()->config()->ProcessPeerHello( | |
| 68 msg, CLIENT, &error_details); | |
| 69 EXPECT_EQ(QUIC_NO_ERROR, error); | |
| 70 session()->OnConfigNegotiated(); | |
| 71 session()->OnCryptoHandshakeEvent(QuicSession::HANDSHAKE_CONFIRMED); | |
| 72 } | |
| 73 | |
| 74 MOCK_METHOD0(OnCanWrite, void()); | |
| 75 }; | |
| 76 | |
| 77 class TestHeadersStream : public QuicHeadersStream { | |
| 78 public: | |
| 79 explicit TestHeadersStream(QuicSession* session) | |
| 80 : QuicHeadersStream(session) { | |
| 81 } | |
| 82 | |
| 83 MOCK_METHOD0(OnCanWrite, void()); | |
| 84 }; | |
| 85 | |
| 86 class TestStream : public QuicDataStream { | |
| 87 public: | |
| 88 TestStream(QuicStreamId id, QuicSession* session) | |
| 89 : QuicDataStream(id, session) { | |
| 90 } | |
| 91 | |
| 92 using ReliableQuicStream::CloseWriteSide; | |
| 93 | |
| 94 uint32 ProcessData(const char* data, uint32 data_len) override { | |
| 95 return data_len; | |
| 96 } | |
| 97 | |
| 98 void SendBody(const string& data, bool fin) { | |
| 99 WriteOrBufferData(data, fin, nullptr); | |
| 100 } | |
| 101 | |
| 102 MOCK_METHOD0(OnCanWrite, void()); | |
| 103 }; | |
| 104 | |
| 105 // Poor man's functor for use as callback in a mock. | |
| 106 class StreamBlocker { | |
| 107 public: | |
| 108 StreamBlocker(QuicSession* session, QuicStreamId stream_id) | |
| 109 : session_(session), | |
| 110 stream_id_(stream_id) { | |
| 111 } | |
| 112 | |
| 113 void MarkWriteBlocked() { | |
| 114 session_->MarkWriteBlocked(stream_id_, kSomeMiddlePriority); | |
| 115 } | |
| 116 | |
| 117 private: | |
| 118 QuicSession* const session_; | |
| 119 const QuicStreamId stream_id_; | |
| 120 }; | |
| 121 | |
| 122 class TestSession : public QuicSession { | |
| 123 public: | |
| 124 explicit TestSession(QuicConnection* connection) | |
| 125 : QuicSession(connection, DefaultQuicConfig()), | |
| 126 crypto_stream_(this), | |
| 127 writev_consumes_all_data_(false) { | |
| 128 InitializeSession(); | |
| 129 } | |
| 130 | |
| 131 TestCryptoStream* GetCryptoStream() override { return &crypto_stream_; } | |
| 132 | |
| 133 TestStream* CreateOutgoingDataStream() override { | |
| 134 TestStream* stream = new TestStream(GetNextStreamId(), this); | |
| 135 ActivateStream(stream); | |
| 136 return stream; | |
| 137 } | |
| 138 | |
| 139 TestStream* CreateIncomingDataStream(QuicStreamId id) override { | |
| 140 return new TestStream(id, this); | |
| 141 } | |
| 142 | |
| 143 bool IsClosedStream(QuicStreamId id) { | |
| 144 return QuicSession::IsClosedStream(id); | |
| 145 } | |
| 146 | |
| 147 QuicDataStream* GetIncomingDataStream(QuicStreamId stream_id) { | |
| 148 return QuicSession::GetIncomingDataStream(stream_id); | |
| 149 } | |
| 150 | |
| 151 QuicConsumedData WritevData( | |
| 152 QuicStreamId id, | |
| 153 const IOVector& data, | |
| 154 QuicStreamOffset offset, | |
| 155 bool fin, | |
| 156 FecProtection fec_protection, | |
| 157 QuicAckNotifier::DelegateInterface* ack_notifier_delegate) override { | |
| 158 // Always consumes everything. | |
| 159 if (writev_consumes_all_data_) { | |
| 160 return QuicConsumedData(data.TotalBufferSize(), fin); | |
| 161 } else { | |
| 162 return QuicSession::WritevData(id, data, offset, fin, fec_protection, | |
| 163 ack_notifier_delegate); | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 void set_writev_consumes_all_data(bool val) { | |
| 168 writev_consumes_all_data_ = val; | |
| 169 } | |
| 170 | |
| 171 QuicConsumedData SendStreamData(QuicStreamId id) { | |
| 172 return WritevData(id, MakeIOVector("not empty"), 0, true, MAY_FEC_PROTECT, | |
| 173 nullptr); | |
| 174 } | |
| 175 | |
| 176 using QuicSession::PostProcessAfterData; | |
| 177 | |
| 178 private: | |
| 179 StrictMock<TestCryptoStream> crypto_stream_; | |
| 180 | |
| 181 bool writev_consumes_all_data_; | |
| 182 }; | |
| 183 | |
| 184 class QuicSessionTest : public ::testing::TestWithParam<QuicVersion> { | |
| 185 protected: | |
| 186 QuicSessionTest() | |
| 187 : connection_(new MockConnection(true, SupportedVersions(GetParam()))), | |
| 188 session_(connection_) { | |
| 189 session_.config()->SetInitialStreamFlowControlWindowToSend( | |
| 190 kInitialStreamFlowControlWindowForTest); | |
| 191 session_.config()->SetInitialSessionFlowControlWindowToSend( | |
| 192 kInitialSessionFlowControlWindowForTest); | |
| 193 headers_[":host"] = "www.google.com"; | |
| 194 headers_[":path"] = "/index.hml"; | |
| 195 headers_[":scheme"] = "http"; | |
| 196 headers_["cookie"] = | |
| 197 "__utma=208381060.1228362404.1372200928.1372200928.1372200928.1; " | |
| 198 "__utmc=160408618; " | |
| 199 "GX=DQAAAOEAAACWJYdewdE9rIrW6qw3PtVi2-d729qaa-74KqOsM1NVQblK4VhX" | |
| 200 "hoALMsy6HOdDad2Sz0flUByv7etmo3mLMidGrBoljqO9hSVA40SLqpG_iuKKSHX" | |
| 201 "RW3Np4bq0F0SDGDNsW0DSmTS9ufMRrlpARJDS7qAI6M3bghqJp4eABKZiRqebHT" | |
| 202 "pMU-RXvTI5D5oCF1vYxYofH_l1Kviuiy3oQ1kS1enqWgbhJ2t61_SNdv-1XJIS0" | |
| 203 "O3YeHLmVCs62O6zp89QwakfAWK9d3IDQvVSJzCQsvxvNIvaZFa567MawWlXg0Rh" | |
| 204 "1zFMi5vzcns38-8_Sns; " | |
| 205 "GA=v*2%2Fmem*57968640*47239936%2Fmem*57968640*47114716%2Fno-nm-" | |
| 206 "yj*15%2Fno-cc-yj*5%2Fpc-ch*133685%2Fpc-s-cr*133947%2Fpc-s-t*1339" | |
| 207 "47%2Fno-nm-yj*4%2Fno-cc-yj*1%2Fceft-as*1%2Fceft-nqas*0%2Fad-ra-c" | |
| 208 "v_p%2Fad-nr-cv_p-f*1%2Fad-v-cv_p*859%2Fad-ns-cv_p-f*1%2Ffn-v-ad%" | |
| 209 "2Fpc-t*250%2Fpc-cm*461%2Fpc-s-cr*722%2Fpc-s-t*722%2Fau_p*4" | |
| 210 "SICAID=AJKiYcHdKgxum7KMXG0ei2t1-W4OD1uW-ecNsCqC0wDuAXiDGIcT_HA2o1" | |
| 211 "3Rs1UKCuBAF9g8rWNOFbxt8PSNSHFuIhOo2t6bJAVpCsMU5Laa6lewuTMYI8MzdQP" | |
| 212 "ARHKyW-koxuhMZHUnGBJAM1gJODe0cATO_KGoX4pbbFxxJ5IicRxOrWK_5rU3cdy6" | |
| 213 "edlR9FsEdH6iujMcHkbE5l18ehJDwTWmBKBzVD87naobhMMrF6VvnDGxQVGp9Ir_b" | |
| 214 "Rgj3RWUoPumQVCxtSOBdX0GlJOEcDTNCzQIm9BSfetog_eP_TfYubKudt5eMsXmN6" | |
| 215 "QnyXHeGeK2UINUzJ-D30AFcpqYgH9_1BvYSpi7fc7_ydBU8TaD8ZRxvtnzXqj0RfG" | |
| 216 "tuHghmv3aD-uzSYJ75XDdzKdizZ86IG6Fbn1XFhYZM-fbHhm3mVEXnyRW4ZuNOLFk" | |
| 217 "Fas6LMcVC6Q8QLlHYbXBpdNFuGbuZGUnav5C-2I_-46lL0NGg3GewxGKGHvHEfoyn" | |
| 218 "EFFlEYHsBQ98rXImL8ySDycdLEFvBPdtctPmWCfTxwmoSMLHU2SCVDhbqMWU5b0yr" | |
| 219 "JBCScs_ejbKaqBDoB7ZGxTvqlrB__2ZmnHHjCr8RgMRtKNtIeuZAo "; | |
| 220 connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1)); | |
| 221 } | |
| 222 | |
| 223 void CheckClosedStreams() { | |
| 224 for (int i = kCryptoStreamId; i < 100; i++) { | |
| 225 if (!ContainsKey(closed_streams_, i)) { | |
| 226 EXPECT_FALSE(session_.IsClosedStream(i)) << " stream id: " << i; | |
| 227 } else { | |
| 228 EXPECT_TRUE(session_.IsClosedStream(i)) << " stream id: " << i; | |
| 229 } | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 void CloseStream(QuicStreamId id) { | |
| 234 session_.CloseStream(id); | |
| 235 closed_streams_.insert(id); | |
| 236 } | |
| 237 | |
| 238 QuicVersion version() const { return connection_->version(); } | |
| 239 | |
| 240 MockConnection* connection_; | |
| 241 TestSession session_; | |
| 242 set<QuicStreamId> closed_streams_; | |
| 243 SpdyHeaderBlock headers_; | |
| 244 }; | |
| 245 | |
| 246 INSTANTIATE_TEST_CASE_P(Tests, QuicSessionTest, | |
| 247 ::testing::ValuesIn(QuicSupportedVersions())); | |
| 248 | |
| 249 TEST_P(QuicSessionTest, PeerAddress) { | |
| 250 EXPECT_EQ(IPEndPoint(Loopback4(), kTestPort), session_.peer_address()); | |
| 251 } | |
| 252 | |
| 253 TEST_P(QuicSessionTest, IsCryptoHandshakeConfirmed) { | |
| 254 EXPECT_FALSE(session_.IsCryptoHandshakeConfirmed()); | |
| 255 CryptoHandshakeMessage message; | |
| 256 session_.GetCryptoStream()->OnHandshakeMessage(message); | |
| 257 EXPECT_TRUE(session_.IsCryptoHandshakeConfirmed()); | |
| 258 } | |
| 259 | |
| 260 TEST_P(QuicSessionTest, IsClosedStreamDefault) { | |
| 261 // Ensure that no streams are initially closed. | |
| 262 for (int i = kCryptoStreamId; i < 100; i++) { | |
| 263 EXPECT_FALSE(session_.IsClosedStream(i)) << "stream id: " << i; | |
| 264 } | |
| 265 } | |
| 266 | |
| 267 TEST_P(QuicSessionTest, ImplicitlyCreatedStreams) { | |
| 268 ASSERT_TRUE(session_.GetIncomingDataStream(7) != nullptr); | |
| 269 // Both 3 and 5 should be implicitly created. | |
| 270 EXPECT_FALSE(session_.IsClosedStream(3)); | |
| 271 EXPECT_FALSE(session_.IsClosedStream(5)); | |
| 272 ASSERT_TRUE(session_.GetIncomingDataStream(5) != nullptr); | |
| 273 ASSERT_TRUE(session_.GetIncomingDataStream(3) != nullptr); | |
| 274 } | |
| 275 | |
| 276 TEST_P(QuicSessionTest, IsClosedStreamLocallyCreated) { | |
| 277 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 278 EXPECT_EQ(2u, stream2->id()); | |
| 279 TestStream* stream4 = session_.CreateOutgoingDataStream(); | |
| 280 EXPECT_EQ(4u, stream4->id()); | |
| 281 | |
| 282 CheckClosedStreams(); | |
| 283 CloseStream(4); | |
| 284 CheckClosedStreams(); | |
| 285 CloseStream(2); | |
| 286 CheckClosedStreams(); | |
| 287 } | |
| 288 | |
| 289 TEST_P(QuicSessionTest, IsClosedStreamPeerCreated) { | |
| 290 QuicStreamId stream_id1 = kClientDataStreamId1; | |
| 291 QuicStreamId stream_id2 = kClientDataStreamId2; | |
| 292 QuicDataStream* stream1 = session_.GetIncomingDataStream(stream_id1); | |
| 293 QuicDataStreamPeer::SetHeadersDecompressed(stream1, true); | |
| 294 QuicDataStream* stream2 = session_.GetIncomingDataStream(stream_id2); | |
| 295 QuicDataStreamPeer::SetHeadersDecompressed(stream2, true); | |
| 296 | |
| 297 CheckClosedStreams(); | |
| 298 CloseStream(stream_id1); | |
| 299 CheckClosedStreams(); | |
| 300 CloseStream(stream_id2); | |
| 301 // Create a stream explicitly, and another implicitly. | |
| 302 QuicDataStream* stream3 = session_.GetIncomingDataStream(stream_id2 + 4); | |
| 303 QuicDataStreamPeer::SetHeadersDecompressed(stream3, true); | |
| 304 CheckClosedStreams(); | |
| 305 // Close one, but make sure the other is still not closed | |
| 306 CloseStream(stream3->id()); | |
| 307 CheckClosedStreams(); | |
| 308 } | |
| 309 | |
| 310 TEST_P(QuicSessionTest, StreamIdTooLarge) { | |
| 311 QuicStreamId stream_id = kClientDataStreamId1; | |
| 312 session_.GetIncomingDataStream(stream_id); | |
| 313 EXPECT_CALL(*connection_, SendConnectionClose(QUIC_INVALID_STREAM_ID)); | |
| 314 session_.GetIncomingDataStream(stream_id + kMaxStreamIdDelta + 2); | |
| 315 } | |
| 316 | |
| 317 TEST_P(QuicSessionTest, DecompressionError) { | |
| 318 QuicHeadersStream* stream = QuicSessionPeer::GetHeadersStream(&session_); | |
| 319 if (version() > QUIC_VERSION_23) { | |
| 320 // This test does not apply to HPACK compression. | |
| 321 return; | |
| 322 } | |
| 323 const unsigned char data[] = { | |
| 324 0x80, 0x03, 0x00, 0x01, // SPDY/3 SYN_STREAM frame | |
| 325 0x00, 0x00, 0x00, 0x25, // flags/length | |
| 326 0x00, 0x00, 0x00, 0x05, // stream id | |
| 327 0x00, 0x00, 0x00, 0x00, // associated stream id | |
| 328 0x00, 0x00, | |
| 329 'a', 'b', 'c', 'd' // invalid compressed data | |
| 330 }; | |
| 331 EXPECT_CALL(*connection_, SendConnectionCloseWithDetails( | |
| 332 QUIC_INVALID_HEADERS_STREAM_DATA, | |
| 333 "SPDY framing error: DECOMPRESS_FAILURE")); | |
| 334 stream->ProcessRawData(reinterpret_cast<const char*>(data), | |
| 335 arraysize(data)); | |
| 336 } | |
| 337 | |
| 338 TEST_P(QuicSessionTest, DebugDFatalIfMarkingClosedStreamWriteBlocked) { | |
| 339 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 340 // Close the stream. | |
| 341 stream2->Reset(QUIC_BAD_APPLICATION_PAYLOAD); | |
| 342 // TODO(rtenneti): enable when chromium supports EXPECT_DEBUG_DFATAL. | |
| 343 /* | |
| 344 QuicStreamId kClosedStreamId = stream2->id(); | |
| 345 EXPECT_DEBUG_DFATAL( | |
| 346 session_.MarkWriteBlocked(kClosedStreamId, kSomeMiddlePriority), | |
| 347 "Marking unknown stream 2 blocked."); | |
| 348 */ | |
| 349 } | |
| 350 | |
| 351 TEST_P(QuicSessionTest, DebugDFatalIfMarkWriteBlockedCalledWithWrongPriority) { | |
| 352 const QuicPriority kDifferentPriority = 0; | |
| 353 | |
| 354 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 355 EXPECT_NE(kDifferentPriority, stream2->EffectivePriority()); | |
| 356 // TODO(rtenneti): enable when chromium supports EXPECT_DEBUG_DFATAL. | |
| 357 /* | |
| 358 EXPECT_DEBUG_DFATAL( | |
| 359 session_.MarkWriteBlocked(stream2->id(), kDifferentPriority), | |
| 360 "Priorities do not match. Got: 0 Expected: 3"); | |
| 361 */ | |
| 362 } | |
| 363 | |
| 364 TEST_P(QuicSessionTest, OnCanWrite) { | |
| 365 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 366 TestStream* stream4 = session_.CreateOutgoingDataStream(); | |
| 367 TestStream* stream6 = session_.CreateOutgoingDataStream(); | |
| 368 | |
| 369 session_.MarkWriteBlocked(stream2->id(), kSomeMiddlePriority); | |
| 370 session_.MarkWriteBlocked(stream6->id(), kSomeMiddlePriority); | |
| 371 session_.MarkWriteBlocked(stream4->id(), kSomeMiddlePriority); | |
| 372 | |
| 373 InSequence s; | |
| 374 StreamBlocker stream2_blocker(&session_, stream2->id()); | |
| 375 // Reregister, to test the loop limit. | |
| 376 EXPECT_CALL(*stream2, OnCanWrite()) | |
| 377 .WillOnce(Invoke(&stream2_blocker, &StreamBlocker::MarkWriteBlocked)); | |
| 378 EXPECT_CALL(*stream6, OnCanWrite()); | |
| 379 EXPECT_CALL(*stream4, OnCanWrite()); | |
| 380 session_.OnCanWrite(); | |
| 381 EXPECT_TRUE(session_.WillingAndAbleToWrite()); | |
| 382 } | |
| 383 | |
| 384 TEST_P(QuicSessionTest, OnCanWriteBundlesStreams) { | |
| 385 // Drive congestion control manually. | |
| 386 MockSendAlgorithm* send_algorithm = new StrictMock<MockSendAlgorithm>; | |
| 387 QuicConnectionPeer::SetSendAlgorithm(session_.connection(), send_algorithm); | |
| 388 | |
| 389 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 390 TestStream* stream4 = session_.CreateOutgoingDataStream(); | |
| 391 TestStream* stream6 = session_.CreateOutgoingDataStream(); | |
| 392 | |
| 393 session_.MarkWriteBlocked(stream2->id(), kSomeMiddlePriority); | |
| 394 session_.MarkWriteBlocked(stream6->id(), kSomeMiddlePriority); | |
| 395 session_.MarkWriteBlocked(stream4->id(), kSomeMiddlePriority); | |
| 396 | |
| 397 EXPECT_CALL(*send_algorithm, TimeUntilSend(_, _, _)).WillRepeatedly( | |
| 398 Return(QuicTime::Delta::Zero())); | |
| 399 EXPECT_CALL(*send_algorithm, GetCongestionWindow()) | |
| 400 .WillRepeatedly(Return(kMaxPacketSize * 10)); | |
| 401 EXPECT_CALL(*stream2, OnCanWrite()) | |
| 402 .WillOnce(IgnoreResult(Invoke(CreateFunctor( | |
| 403 &session_, &TestSession::SendStreamData, stream2->id())))); | |
| 404 EXPECT_CALL(*stream4, OnCanWrite()) | |
| 405 .WillOnce(IgnoreResult(Invoke(CreateFunctor( | |
| 406 &session_, &TestSession::SendStreamData, stream4->id())))); | |
| 407 EXPECT_CALL(*stream6, OnCanWrite()) | |
| 408 .WillOnce(IgnoreResult(Invoke(CreateFunctor( | |
| 409 &session_, &TestSession::SendStreamData, stream6->id())))); | |
| 410 | |
| 411 // Expect that we only send one packet, the writes from different streams | |
| 412 // should be bundled together. | |
| 413 MockPacketWriter* writer = | |
| 414 static_cast<MockPacketWriter*>( | |
| 415 QuicConnectionPeer::GetWriter(session_.connection())); | |
| 416 EXPECT_CALL(*writer, WritePacket(_, _, _, _)).WillOnce( | |
| 417 Return(WriteResult(WRITE_STATUS_OK, 0))); | |
| 418 EXPECT_CALL(*send_algorithm, OnPacketSent(_, _, _, _, _)).Times(1); | |
| 419 session_.OnCanWrite(); | |
| 420 EXPECT_FALSE(session_.WillingAndAbleToWrite()); | |
| 421 } | |
| 422 | |
| 423 TEST_P(QuicSessionTest, OnCanWriteCongestionControlBlocks) { | |
| 424 InSequence s; | |
| 425 | |
| 426 // Drive congestion control manually. | |
| 427 MockSendAlgorithm* send_algorithm = new StrictMock<MockSendAlgorithm>; | |
| 428 QuicConnectionPeer::SetSendAlgorithm(session_.connection(), send_algorithm); | |
| 429 | |
| 430 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 431 TestStream* stream4 = session_.CreateOutgoingDataStream(); | |
| 432 TestStream* stream6 = session_.CreateOutgoingDataStream(); | |
| 433 | |
| 434 session_.MarkWriteBlocked(stream2->id(), kSomeMiddlePriority); | |
| 435 session_.MarkWriteBlocked(stream6->id(), kSomeMiddlePriority); | |
| 436 session_.MarkWriteBlocked(stream4->id(), kSomeMiddlePriority); | |
| 437 | |
| 438 StreamBlocker stream2_blocker(&session_, stream2->id()); | |
| 439 EXPECT_CALL(*send_algorithm, TimeUntilSend(_, _, _)).WillOnce(Return( | |
| 440 QuicTime::Delta::Zero())); | |
| 441 EXPECT_CALL(*stream2, OnCanWrite()); | |
| 442 EXPECT_CALL(*send_algorithm, TimeUntilSend(_, _, _)).WillOnce(Return( | |
| 443 QuicTime::Delta::Zero())); | |
| 444 EXPECT_CALL(*stream6, OnCanWrite()); | |
| 445 EXPECT_CALL(*send_algorithm, TimeUntilSend(_, _, _)).WillOnce(Return( | |
| 446 QuicTime::Delta::Infinite())); | |
| 447 // stream4->OnCanWrite is not called. | |
| 448 | |
| 449 session_.OnCanWrite(); | |
| 450 EXPECT_TRUE(session_.WillingAndAbleToWrite()); | |
| 451 | |
| 452 // Still congestion-control blocked. | |
| 453 EXPECT_CALL(*send_algorithm, TimeUntilSend(_, _, _)).WillOnce(Return( | |
| 454 QuicTime::Delta::Infinite())); | |
| 455 session_.OnCanWrite(); | |
| 456 EXPECT_TRUE(session_.WillingAndAbleToWrite()); | |
| 457 | |
| 458 // stream4->OnCanWrite is called once the connection stops being | |
| 459 // congestion-control blocked. | |
| 460 EXPECT_CALL(*send_algorithm, TimeUntilSend(_, _, _)).WillOnce(Return( | |
| 461 QuicTime::Delta::Zero())); | |
| 462 EXPECT_CALL(*stream4, OnCanWrite()); | |
| 463 session_.OnCanWrite(); | |
| 464 EXPECT_FALSE(session_.WillingAndAbleToWrite()); | |
| 465 } | |
| 466 | |
| 467 TEST_P(QuicSessionTest, BufferedHandshake) { | |
| 468 EXPECT_FALSE(session_.HasPendingHandshake()); // Default value. | |
| 469 | |
| 470 // Test that blocking other streams does not change our status. | |
| 471 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 472 StreamBlocker stream2_blocker(&session_, stream2->id()); | |
| 473 stream2_blocker.MarkWriteBlocked(); | |
| 474 EXPECT_FALSE(session_.HasPendingHandshake()); | |
| 475 | |
| 476 TestStream* stream3 = session_.CreateOutgoingDataStream(); | |
| 477 StreamBlocker stream3_blocker(&session_, stream3->id()); | |
| 478 stream3_blocker.MarkWriteBlocked(); | |
| 479 EXPECT_FALSE(session_.HasPendingHandshake()); | |
| 480 | |
| 481 // Blocking (due to buffering of) the Crypto stream is detected. | |
| 482 session_.MarkWriteBlocked(kCryptoStreamId, kHighestPriority); | |
| 483 EXPECT_TRUE(session_.HasPendingHandshake()); | |
| 484 | |
| 485 TestStream* stream4 = session_.CreateOutgoingDataStream(); | |
| 486 StreamBlocker stream4_blocker(&session_, stream4->id()); | |
| 487 stream4_blocker.MarkWriteBlocked(); | |
| 488 EXPECT_TRUE(session_.HasPendingHandshake()); | |
| 489 | |
| 490 InSequence s; | |
| 491 // Force most streams to re-register, which is common scenario when we block | |
| 492 // the Crypto stream, and only the crypto stream can "really" write. | |
| 493 | |
| 494 // Due to prioritization, we *should* be asked to write the crypto stream | |
| 495 // first. | |
| 496 // Don't re-register the crypto stream (which signals complete writing). | |
| 497 TestCryptoStream* crypto_stream = session_.GetCryptoStream(); | |
| 498 EXPECT_CALL(*crypto_stream, OnCanWrite()); | |
| 499 | |
| 500 // Re-register all other streams, to show they weren't able to proceed. | |
| 501 EXPECT_CALL(*stream2, OnCanWrite()) | |
| 502 .WillOnce(Invoke(&stream2_blocker, &StreamBlocker::MarkWriteBlocked)); | |
| 503 EXPECT_CALL(*stream3, OnCanWrite()) | |
| 504 .WillOnce(Invoke(&stream3_blocker, &StreamBlocker::MarkWriteBlocked)); | |
| 505 EXPECT_CALL(*stream4, OnCanWrite()) | |
| 506 .WillOnce(Invoke(&stream4_blocker, &StreamBlocker::MarkWriteBlocked)); | |
| 507 | |
| 508 session_.OnCanWrite(); | |
| 509 EXPECT_TRUE(session_.WillingAndAbleToWrite()); | |
| 510 EXPECT_FALSE(session_.HasPendingHandshake()); // Crypto stream wrote. | |
| 511 } | |
| 512 | |
| 513 TEST_P(QuicSessionTest, OnCanWriteWithClosedStream) { | |
| 514 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 515 TestStream* stream4 = session_.CreateOutgoingDataStream(); | |
| 516 TestStream* stream6 = session_.CreateOutgoingDataStream(); | |
| 517 | |
| 518 session_.MarkWriteBlocked(stream2->id(), kSomeMiddlePriority); | |
| 519 session_.MarkWriteBlocked(stream6->id(), kSomeMiddlePriority); | |
| 520 session_.MarkWriteBlocked(stream4->id(), kSomeMiddlePriority); | |
| 521 CloseStream(stream6->id()); | |
| 522 | |
| 523 InSequence s; | |
| 524 EXPECT_CALL(*stream2, OnCanWrite()); | |
| 525 EXPECT_CALL(*stream4, OnCanWrite()); | |
| 526 session_.OnCanWrite(); | |
| 527 EXPECT_FALSE(session_.WillingAndAbleToWrite()); | |
| 528 } | |
| 529 | |
| 530 TEST_P(QuicSessionTest, OnCanWriteLimitsNumWritesIfFlowControlBlocked) { | |
| 531 // Ensure connection level flow control blockage. | |
| 532 QuicFlowControllerPeer::SetSendWindowOffset(session_.flow_controller(), 0); | |
| 533 EXPECT_TRUE(session_.flow_controller()->IsBlocked()); | |
| 534 EXPECT_TRUE(session_.IsConnectionFlowControlBlocked()); | |
| 535 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 536 | |
| 537 // Mark the crypto and headers streams as write blocked, we expect them to be | |
| 538 // allowed to write later. | |
| 539 session_.MarkWriteBlocked(kCryptoStreamId, kHighestPriority); | |
| 540 session_.MarkWriteBlocked(kHeadersStreamId, kHighestPriority); | |
| 541 | |
| 542 // Create a data stream, and although it is write blocked we never expect it | |
| 543 // to be allowed to write as we are connection level flow control blocked. | |
| 544 TestStream* stream = session_.CreateOutgoingDataStream(); | |
| 545 session_.MarkWriteBlocked(stream->id(), kSomeMiddlePriority); | |
| 546 EXPECT_CALL(*stream, OnCanWrite()).Times(0); | |
| 547 | |
| 548 // The crypto and headers streams should be called even though we are | |
| 549 // connection flow control blocked. | |
| 550 TestCryptoStream* crypto_stream = session_.GetCryptoStream(); | |
| 551 EXPECT_CALL(*crypto_stream, OnCanWrite()).Times(1); | |
| 552 TestHeadersStream* headers_stream = new TestHeadersStream(&session_); | |
| 553 QuicSessionPeer::SetHeadersStream(&session_, headers_stream); | |
| 554 EXPECT_CALL(*headers_stream, OnCanWrite()).Times(1); | |
| 555 | |
| 556 session_.OnCanWrite(); | |
| 557 EXPECT_FALSE(session_.WillingAndAbleToWrite()); | |
| 558 } | |
| 559 | |
| 560 TEST_P(QuicSessionTest, SendGoAway) { | |
| 561 EXPECT_CALL(*connection_, | |
| 562 SendGoAway(QUIC_PEER_GOING_AWAY, 0u, "Going Away.")); | |
| 563 session_.SendGoAway(QUIC_PEER_GOING_AWAY, "Going Away."); | |
| 564 EXPECT_TRUE(session_.goaway_sent()); | |
| 565 | |
| 566 EXPECT_CALL(*connection_, | |
| 567 SendRstStream(3u, QUIC_STREAM_PEER_GOING_AWAY, 0)).Times(0); | |
| 568 EXPECT_TRUE(session_.GetIncomingDataStream(3u)); | |
| 569 } | |
| 570 | |
| 571 TEST_P(QuicSessionTest, DoNotSendGoAwayTwice) { | |
| 572 EXPECT_CALL(*connection_, | |
| 573 SendGoAway(QUIC_PEER_GOING_AWAY, 0u, "Going Away.")).Times(1); | |
| 574 session_.SendGoAway(QUIC_PEER_GOING_AWAY, "Going Away."); | |
| 575 EXPECT_TRUE(session_.goaway_sent()); | |
| 576 session_.SendGoAway(QUIC_PEER_GOING_AWAY, "Going Away."); | |
| 577 } | |
| 578 | |
| 579 TEST_P(QuicSessionTest, IncreasedTimeoutAfterCryptoHandshake) { | |
| 580 EXPECT_EQ(kInitialIdleTimeoutSecs + 3, | |
| 581 QuicConnectionPeer::GetNetworkTimeout(connection_).ToSeconds()); | |
| 582 CryptoHandshakeMessage msg; | |
| 583 session_.GetCryptoStream()->OnHandshakeMessage(msg); | |
| 584 EXPECT_EQ(kMaximumIdleTimeoutSecs + 3, | |
| 585 QuicConnectionPeer::GetNetworkTimeout(connection_).ToSeconds()); | |
| 586 } | |
| 587 | |
| 588 TEST_P(QuicSessionTest, RstStreamBeforeHeadersDecompressed) { | |
| 589 // Send two bytes of payload. | |
| 590 QuicStreamFrame data1(kClientDataStreamId1, false, 0, MakeIOVector("HT")); | |
| 591 vector<QuicStreamFrame> frames; | |
| 592 frames.push_back(data1); | |
| 593 session_.OnStreamFrames(frames); | |
| 594 EXPECT_EQ(1u, session_.GetNumOpenStreams()); | |
| 595 | |
| 596 QuicRstStreamFrame rst1(kClientDataStreamId1, QUIC_STREAM_NO_ERROR, 0); | |
| 597 session_.OnRstStream(rst1); | |
| 598 EXPECT_EQ(0u, session_.GetNumOpenStreams()); | |
| 599 // Connection should remain alive. | |
| 600 EXPECT_TRUE(connection_->connected()); | |
| 601 } | |
| 602 | |
| 603 TEST_P(QuicSessionTest, MultipleRstStreamsCauseSingleConnectionClose) { | |
| 604 // If multiple invalid reset stream frames arrive in a single packet, this | |
| 605 // should trigger a connection close. However there is no need to send | |
| 606 // multiple connection close frames. | |
| 607 | |
| 608 // Create valid stream. | |
| 609 QuicStreamFrame data1(kClientDataStreamId1, false, 0, MakeIOVector("HT")); | |
| 610 vector<QuicStreamFrame> frames; | |
| 611 frames.push_back(data1); | |
| 612 session_.OnStreamFrames(frames); | |
| 613 EXPECT_EQ(1u, session_.GetNumOpenStreams()); | |
| 614 | |
| 615 // Process first invalid stream reset, resulting in the connection being | |
| 616 // closed. | |
| 617 EXPECT_CALL(*connection_, SendConnectionClose(QUIC_INVALID_STREAM_ID)) | |
| 618 .Times(1); | |
| 619 QuicStreamId kLargeInvalidStreamId = 99999999; | |
| 620 QuicRstStreamFrame rst1(kLargeInvalidStreamId, QUIC_STREAM_NO_ERROR, 0); | |
| 621 session_.OnRstStream(rst1); | |
| 622 QuicConnectionPeer::CloseConnection(connection_); | |
| 623 | |
| 624 // Processing of second invalid stream reset should not result in the | |
| 625 // connection being closed for a second time. | |
| 626 QuicRstStreamFrame rst2(kLargeInvalidStreamId, QUIC_STREAM_NO_ERROR, 0); | |
| 627 session_.OnRstStream(rst2); | |
| 628 } | |
| 629 | |
| 630 TEST_P(QuicSessionTest, HandshakeUnblocksFlowControlBlockedStream) { | |
| 631 // Test that if a stream is flow control blocked, then on receipt of the SHLO | |
| 632 // containing a suitable send window offset, the stream becomes unblocked. | |
| 633 | |
| 634 // Ensure that Writev consumes all the data it is given (simulate no socket | |
| 635 // blocking). | |
| 636 session_.set_writev_consumes_all_data(true); | |
| 637 | |
| 638 // Create a stream, and send enough data to make it flow control blocked. | |
| 639 TestStream* stream2 = session_.CreateOutgoingDataStream(); | |
| 640 string body(kMinimumFlowControlSendWindow, '.'); | |
| 641 EXPECT_FALSE(stream2->flow_controller()->IsBlocked()); | |
| 642 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 643 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 644 stream2->SendBody(body, false); | |
| 645 EXPECT_TRUE(stream2->flow_controller()->IsBlocked()); | |
| 646 EXPECT_TRUE(session_.IsConnectionFlowControlBlocked()); | |
| 647 EXPECT_TRUE(session_.IsStreamFlowControlBlocked()); | |
| 648 | |
| 649 // The handshake message will call OnCanWrite, so the stream can resume | |
| 650 // writing. | |
| 651 EXPECT_CALL(*stream2, OnCanWrite()); | |
| 652 // Now complete the crypto handshake, resulting in an increased flow control | |
| 653 // send window. | |
| 654 CryptoHandshakeMessage msg; | |
| 655 session_.GetCryptoStream()->OnHandshakeMessage(msg); | |
| 656 | |
| 657 // Stream is now unblocked. | |
| 658 EXPECT_FALSE(stream2->flow_controller()->IsBlocked()); | |
| 659 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 660 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 661 } | |
| 662 | |
| 663 TEST_P(QuicSessionTest, HandshakeUnblocksFlowControlBlockedCryptoStream) { | |
| 664 // Test that if the crypto stream is flow control blocked, then if the SHLO | |
| 665 // contains a larger send window offset, the stream becomes unblocked. | |
| 666 session_.set_writev_consumes_all_data(true); | |
| 667 TestCryptoStream* crypto_stream = session_.GetCryptoStream(); | |
| 668 EXPECT_FALSE(crypto_stream->flow_controller()->IsBlocked()); | |
| 669 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 670 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 671 QuicHeadersStream* headers_stream = | |
| 672 QuicSessionPeer::GetHeadersStream(&session_); | |
| 673 EXPECT_FALSE(headers_stream->flow_controller()->IsBlocked()); | |
| 674 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 675 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 676 // Write until the crypto stream is flow control blocked. | |
| 677 int i = 0; | |
| 678 while (!crypto_stream->flow_controller()->IsBlocked() && i < 1000) { | |
| 679 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 680 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 681 QuicConfig config; | |
| 682 CryptoHandshakeMessage crypto_message; | |
| 683 config.ToHandshakeMessage(&crypto_message); | |
| 684 crypto_stream->SendHandshakeMessage(crypto_message); | |
| 685 ++i; | |
| 686 } | |
| 687 EXPECT_TRUE(crypto_stream->flow_controller()->IsBlocked()); | |
| 688 EXPECT_FALSE(headers_stream->flow_controller()->IsBlocked()); | |
| 689 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 690 EXPECT_TRUE(session_.IsStreamFlowControlBlocked()); | |
| 691 EXPECT_FALSE(session_.HasDataToWrite()); | |
| 692 EXPECT_TRUE(crypto_stream->HasBufferedData()); | |
| 693 | |
| 694 // The handshake message will call OnCanWrite, so the stream can | |
| 695 // resume writing. | |
| 696 EXPECT_CALL(*crypto_stream, OnCanWrite()); | |
| 697 // Now complete the crypto handshake, resulting in an increased flow control | |
| 698 // send window. | |
| 699 CryptoHandshakeMessage msg; | |
| 700 session_.GetCryptoStream()->OnHandshakeMessage(msg); | |
| 701 | |
| 702 // Stream is now unblocked and will no longer have buffered data. | |
| 703 EXPECT_FALSE(crypto_stream->flow_controller()->IsBlocked()); | |
| 704 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 705 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 706 } | |
| 707 | |
| 708 TEST_P(QuicSessionTest, HandshakeUnblocksFlowControlBlockedHeadersStream) { | |
| 709 // Test that if the header stream is flow control blocked, then if the SHLO | |
| 710 // contains a larger send window offset, the stream becomes unblocked. | |
| 711 session_.set_writev_consumes_all_data(true); | |
| 712 TestCryptoStream* crypto_stream = session_.GetCryptoStream(); | |
| 713 EXPECT_FALSE(crypto_stream->flow_controller()->IsBlocked()); | |
| 714 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 715 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 716 QuicHeadersStream* headers_stream = | |
| 717 QuicSessionPeer::GetHeadersStream(&session_); | |
| 718 EXPECT_FALSE(headers_stream->flow_controller()->IsBlocked()); | |
| 719 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 720 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 721 QuicStreamId stream_id = 5; | |
| 722 // Write until the header stream is flow control blocked. | |
| 723 SpdyHeaderBlock headers; | |
| 724 while (!headers_stream->flow_controller()->IsBlocked() && stream_id < 2000) { | |
| 725 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 726 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 727 headers["header"] = base::Uint64ToString(base::RandUint64()) + | |
| 728 base::Uint64ToString(base::RandUint64()) + | |
| 729 base::Uint64ToString(base::RandUint64()); | |
| 730 headers_stream->WriteHeaders(stream_id, headers, true, 0, nullptr); | |
| 731 stream_id += 2; | |
| 732 } | |
| 733 // Write once more to ensure that the headers stream has buffered data. The | |
| 734 // random headers may have exactly filled the flow control window. | |
| 735 headers_stream->WriteHeaders(stream_id, headers, true, 0, nullptr); | |
| 736 EXPECT_TRUE(headers_stream->HasBufferedData()); | |
| 737 | |
| 738 EXPECT_TRUE(headers_stream->flow_controller()->IsBlocked()); | |
| 739 EXPECT_FALSE(crypto_stream->flow_controller()->IsBlocked()); | |
| 740 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 741 EXPECT_TRUE(session_.IsStreamFlowControlBlocked()); | |
| 742 EXPECT_FALSE(session_.HasDataToWrite()); | |
| 743 | |
| 744 // Now complete the crypto handshake, resulting in an increased flow control | |
| 745 // send window. | |
| 746 CryptoHandshakeMessage msg; | |
| 747 session_.GetCryptoStream()->OnHandshakeMessage(msg); | |
| 748 | |
| 749 // Stream is now unblocked and will no longer have buffered data. | |
| 750 EXPECT_FALSE(headers_stream->flow_controller()->IsBlocked()); | |
| 751 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 752 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 753 EXPECT_FALSE(headers_stream->HasBufferedData()); | |
| 754 } | |
| 755 | |
| 756 TEST_P(QuicSessionTest, ConnectionFlowControlAccountingRstOutOfOrder) { | |
| 757 // Test that when we receive an out of order stream RST we correctly adjust | |
| 758 // our connection level flow control receive window. | |
| 759 // On close, the stream should mark as consumed all bytes between the highest | |
| 760 // byte consumed so far and the final byte offset from the RST frame. | |
| 761 TestStream* stream = session_.CreateOutgoingDataStream(); | |
| 762 | |
| 763 const QuicStreamOffset kByteOffset = | |
| 764 1 + kInitialSessionFlowControlWindowForTest / 2; | |
| 765 | |
| 766 // Expect no stream WINDOW_UPDATE frames, as stream read side closed. | |
| 767 EXPECT_CALL(*connection_, SendWindowUpdate(stream->id(), _)).Times(0); | |
| 768 // We do expect a connection level WINDOW_UPDATE when the stream is reset. | |
| 769 EXPECT_CALL(*connection_, | |
| 770 SendWindowUpdate(0, kInitialSessionFlowControlWindowForTest + | |
| 771 kByteOffset)).Times(1); | |
| 772 | |
| 773 QuicRstStreamFrame rst_frame(stream->id(), QUIC_STREAM_CANCELLED, | |
| 774 kByteOffset); | |
| 775 session_.OnRstStream(rst_frame); | |
| 776 session_.PostProcessAfterData(); | |
| 777 EXPECT_EQ(kByteOffset, session_.flow_controller()->bytes_consumed()); | |
| 778 } | |
| 779 | |
| 780 TEST_P(QuicSessionTest, ConnectionFlowControlAccountingFinAndLocalReset) { | |
| 781 // Test the situation where we receive a FIN on a stream, and before we fully | |
| 782 // consume all the data from the sequencer buffer we locally RST the stream. | |
| 783 // The bytes between highest consumed byte, and the final byte offset that we | |
| 784 // determined when the FIN arrived, should be marked as consumed at the | |
| 785 // connection level flow controller when the stream is reset. | |
| 786 TestStream* stream = session_.CreateOutgoingDataStream(); | |
| 787 | |
| 788 const QuicStreamOffset kByteOffset = | |
| 789 1 + kInitialSessionFlowControlWindowForTest / 2; | |
| 790 QuicStreamFrame frame(stream->id(), true, kByteOffset, IOVector()); | |
| 791 vector<QuicStreamFrame> frames; | |
| 792 frames.push_back(frame); | |
| 793 session_.OnStreamFrames(frames); | |
| 794 session_.PostProcessAfterData(); | |
| 795 | |
| 796 EXPECT_EQ(0u, stream->flow_controller()->bytes_consumed()); | |
| 797 EXPECT_EQ(kByteOffset, | |
| 798 stream->flow_controller()->highest_received_byte_offset()); | |
| 799 | |
| 800 // Reset stream locally. | |
| 801 stream->Reset(QUIC_STREAM_CANCELLED); | |
| 802 EXPECT_EQ(kByteOffset, session_.flow_controller()->bytes_consumed()); | |
| 803 } | |
| 804 | |
| 805 TEST_P(QuicSessionTest, ConnectionFlowControlAccountingFinAfterRst) { | |
| 806 // Test that when we RST the stream (and tear down stream state), and then | |
| 807 // receive a FIN from the peer, we correctly adjust our connection level flow | |
| 808 // control receive window. | |
| 809 | |
| 810 // Connection starts with some non-zero highest received byte offset, | |
| 811 // due to other active streams. | |
| 812 const uint64 kInitialConnectionBytesConsumed = 567; | |
| 813 const uint64 kInitialConnectionHighestReceivedOffset = 1234; | |
| 814 EXPECT_LT(kInitialConnectionBytesConsumed, | |
| 815 kInitialConnectionHighestReceivedOffset); | |
| 816 session_.flow_controller()->UpdateHighestReceivedOffset( | |
| 817 kInitialConnectionHighestReceivedOffset); | |
| 818 session_.flow_controller()->AddBytesConsumed(kInitialConnectionBytesConsumed); | |
| 819 | |
| 820 // Reset our stream: this results in the stream being closed locally. | |
| 821 TestStream* stream = session_.CreateOutgoingDataStream(); | |
| 822 stream->Reset(QUIC_STREAM_CANCELLED); | |
| 823 | |
| 824 // Now receive a response from the peer with a FIN. We should handle this by | |
| 825 // adjusting the connection level flow control receive window to take into | |
| 826 // account the total number of bytes sent by the peer. | |
| 827 const QuicStreamOffset kByteOffset = 5678; | |
| 828 string body = "hello"; | |
| 829 IOVector data = MakeIOVector(body); | |
| 830 QuicStreamFrame frame(stream->id(), true, kByteOffset, data); | |
| 831 vector<QuicStreamFrame> frames; | |
| 832 frames.push_back(frame); | |
| 833 session_.OnStreamFrames(frames); | |
| 834 | |
| 835 QuicStreamOffset total_stream_bytes_sent_by_peer = | |
| 836 kByteOffset + body.length(); | |
| 837 EXPECT_EQ(kInitialConnectionBytesConsumed + total_stream_bytes_sent_by_peer, | |
| 838 session_.flow_controller()->bytes_consumed()); | |
| 839 EXPECT_EQ( | |
| 840 kInitialConnectionHighestReceivedOffset + total_stream_bytes_sent_by_peer, | |
| 841 session_.flow_controller()->highest_received_byte_offset()); | |
| 842 } | |
| 843 | |
| 844 TEST_P(QuicSessionTest, ConnectionFlowControlAccountingRstAfterRst) { | |
| 845 // Test that when we RST the stream (and tear down stream state), and then | |
| 846 // receive a RST from the peer, we correctly adjust our connection level flow | |
| 847 // control receive window. | |
| 848 | |
| 849 // Connection starts with some non-zero highest received byte offset, | |
| 850 // due to other active streams. | |
| 851 const uint64 kInitialConnectionBytesConsumed = 567; | |
| 852 const uint64 kInitialConnectionHighestReceivedOffset = 1234; | |
| 853 EXPECT_LT(kInitialConnectionBytesConsumed, | |
| 854 kInitialConnectionHighestReceivedOffset); | |
| 855 session_.flow_controller()->UpdateHighestReceivedOffset( | |
| 856 kInitialConnectionHighestReceivedOffset); | |
| 857 session_.flow_controller()->AddBytesConsumed(kInitialConnectionBytesConsumed); | |
| 858 | |
| 859 // Reset our stream: this results in the stream being closed locally. | |
| 860 TestStream* stream = session_.CreateOutgoingDataStream(); | |
| 861 stream->Reset(QUIC_STREAM_CANCELLED); | |
| 862 | |
| 863 // Now receive a RST from the peer. We should handle this by adjusting the | |
| 864 // connection level flow control receive window to take into account the total | |
| 865 // number of bytes sent by the peer. | |
| 866 const QuicStreamOffset kByteOffset = 5678; | |
| 867 QuicRstStreamFrame rst_frame(stream->id(), QUIC_STREAM_CANCELLED, | |
| 868 kByteOffset); | |
| 869 session_.OnRstStream(rst_frame); | |
| 870 | |
| 871 EXPECT_EQ(kInitialConnectionBytesConsumed + kByteOffset, | |
| 872 session_.flow_controller()->bytes_consumed()); | |
| 873 EXPECT_EQ(kInitialConnectionHighestReceivedOffset + kByteOffset, | |
| 874 session_.flow_controller()->highest_received_byte_offset()); | |
| 875 } | |
| 876 | |
| 877 TEST_P(QuicSessionTest, InvalidStreamFlowControlWindowInHandshake) { | |
| 878 // Test that receipt of an invalid (< default) stream flow control window from | |
| 879 // the peer results in the connection being torn down. | |
| 880 uint32 kInvalidWindow = kMinimumFlowControlSendWindow - 1; | |
| 881 QuicConfigPeer::SetReceivedInitialStreamFlowControlWindow(session_.config(), | |
| 882 kInvalidWindow); | |
| 883 | |
| 884 EXPECT_CALL(*connection_, | |
| 885 SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW)); | |
| 886 session_.OnConfigNegotiated(); | |
| 887 } | |
| 888 | |
| 889 TEST_P(QuicSessionTest, InvalidSessionFlowControlWindowInHandshake) { | |
| 890 // Test that receipt of an invalid (< default) session flow control window | |
| 891 // from the peer results in the connection being torn down. | |
| 892 uint32 kInvalidWindow = kMinimumFlowControlSendWindow - 1; | |
| 893 QuicConfigPeer::SetReceivedInitialSessionFlowControlWindow(session_.config(), | |
| 894 kInvalidWindow); | |
| 895 | |
| 896 EXPECT_CALL(*connection_, | |
| 897 SendConnectionClose(QUIC_FLOW_CONTROL_INVALID_WINDOW)); | |
| 898 session_.OnConfigNegotiated(); | |
| 899 } | |
| 900 | |
| 901 TEST_P(QuicSessionTest, FlowControlWithInvalidFinalOffset) { | |
| 902 // Test that if we receive a stream RST with a highest byte offset that | |
| 903 // violates flow control, that we close the connection. | |
| 904 const uint64 kLargeOffset = kInitialSessionFlowControlWindowForTest + 1; | |
| 905 EXPECT_CALL(*connection_, | |
| 906 SendConnectionClose(QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA)) | |
| 907 .Times(2); | |
| 908 | |
| 909 // Check that stream frame + FIN results in connection close. | |
| 910 TestStream* stream = session_.CreateOutgoingDataStream(); | |
| 911 stream->Reset(QUIC_STREAM_CANCELLED); | |
| 912 QuicStreamFrame frame(stream->id(), true, kLargeOffset, IOVector()); | |
| 913 vector<QuicStreamFrame> frames; | |
| 914 frames.push_back(frame); | |
| 915 session_.OnStreamFrames(frames); | |
| 916 | |
| 917 // Check that RST results in connection close. | |
| 918 QuicRstStreamFrame rst_frame(stream->id(), QUIC_STREAM_CANCELLED, | |
| 919 kLargeOffset); | |
| 920 session_.OnRstStream(rst_frame); | |
| 921 } | |
| 922 | |
| 923 TEST_P(QuicSessionTest, WindowUpdateUnblocksHeadersStream) { | |
| 924 // Test that a flow control blocked headers stream gets unblocked on recipt of | |
| 925 // a WINDOW_UPDATE frame. Regression test for b/17413860. | |
| 926 | |
| 927 // Set the headers stream to be flow control blocked. | |
| 928 QuicHeadersStream* headers_stream = | |
| 929 QuicSessionPeer::GetHeadersStream(&session_); | |
| 930 QuicFlowControllerPeer::SetSendWindowOffset(headers_stream->flow_controller(), | |
| 931 0); | |
| 932 EXPECT_TRUE(headers_stream->flow_controller()->IsBlocked()); | |
| 933 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 934 EXPECT_TRUE(session_.IsStreamFlowControlBlocked()); | |
| 935 | |
| 936 // Unblock the headers stream by supplying a WINDOW_UPDATE. | |
| 937 QuicWindowUpdateFrame window_update_frame(headers_stream->id(), | |
| 938 2 * kMinimumFlowControlSendWindow); | |
| 939 vector<QuicWindowUpdateFrame> frames; | |
| 940 frames.push_back(window_update_frame); | |
| 941 session_.OnWindowUpdateFrames(frames); | |
| 942 EXPECT_FALSE(headers_stream->flow_controller()->IsBlocked()); | |
| 943 EXPECT_FALSE(session_.IsConnectionFlowControlBlocked()); | |
| 944 EXPECT_FALSE(session_.IsStreamFlowControlBlocked()); | |
| 945 } | |
| 946 | |
| 947 TEST_P(QuicSessionTest, TooManyUnfinishedStreamsCauseConnectionClose) { | |
| 948 // If a buggy/malicious peer creates too many streams that are not ended with | |
| 949 // a FIN or RST then we send a connection close. | |
| 950 EXPECT_CALL(*connection_, | |
| 951 SendConnectionClose(QUIC_TOO_MANY_UNFINISHED_STREAMS)).Times(1); | |
| 952 | |
| 953 const int kMaxStreams = 5; | |
| 954 QuicSessionPeer::SetMaxOpenStreams(&session_, kMaxStreams); | |
| 955 | |
| 956 // Create kMaxStreams + 1 data streams, and close them all without receiving a | |
| 957 // FIN or a RST from the client. | |
| 958 const int kFirstStreamId = kClientDataStreamId1; | |
| 959 const int kFinalStreamId = kClientDataStreamId1 + 2 * kMaxStreams + 1; | |
| 960 for (int i = kFirstStreamId; i < kFinalStreamId; i += 2) { | |
| 961 QuicStreamFrame data1(i, false, 0, MakeIOVector("HT")); | |
| 962 vector<QuicStreamFrame> frames; | |
| 963 frames.push_back(data1); | |
| 964 session_.OnStreamFrames(frames); | |
| 965 EXPECT_EQ(1u, session_.GetNumOpenStreams()); | |
| 966 session_.CloseStream(i); | |
| 967 } | |
| 968 | |
| 969 // Called after any new data is received by the session, and triggers the call | |
| 970 // to close the connection. | |
| 971 session_.PostProcessAfterData(); | |
| 972 } | |
| 973 | |
| 974 } // namespace | |
| 975 } // namespace test | |
| 976 } // namespace net | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 992733002:
Remove //net (except for Android test stuff) and sdch (Closed)
Base URL: git@github.com:domokit/mojo.git@master