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| 1 // Copyright 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/quic/quic_data_stream.h" | |
| 6 | |
| 7 #include "net/quic/quic_ack_notifier.h" | |
| 8 #include "net/quic/quic_connection.h" | |
| 9 #include "net/quic/quic_utils.h" | |
| 10 #include "net/quic/quic_write_blocked_list.h" | |
| 11 #include "net/quic/spdy_utils.h" | |
| 12 #include "net/quic/test_tools/quic_flow_controller_peer.h" | |
| 13 #include "net/quic/test_tools/quic_session_peer.h" | |
| 14 #include "net/quic/test_tools/quic_test_utils.h" | |
| 15 #include "net/quic/test_tools/reliable_quic_stream_peer.h" | |
| 16 #include "net/test/gtest_util.h" | |
| 17 #include "testing/gmock/include/gmock/gmock.h" | |
| 18 | |
| 19 using base::StringPiece; | |
| 20 using std::min; | |
| 21 using std::string; | |
| 22 using testing::AnyNumber; | |
| 23 using testing::InSequence; | |
| 24 using testing::Return; | |
| 25 using testing::SaveArg; | |
| 26 using testing::StrictMock; | |
| 27 using testing::_; | |
| 28 | |
| 29 namespace net { | |
| 30 namespace test { | |
| 31 namespace { | |
| 32 | |
| 33 const bool kIsServer = true; | |
| 34 const bool kShouldProcessData = true; | |
| 35 | |
| 36 class TestStream : public QuicDataStream { | |
| 37 public: | |
| 38 TestStream(QuicStreamId id, | |
| 39 QuicSession* session, | |
| 40 bool should_process_data) | |
| 41 : QuicDataStream(id, session), | |
| 42 should_process_data_(should_process_data) {} | |
| 43 | |
| 44 uint32 ProcessData(const char* data, uint32 data_len) override { | |
| 45 EXPECT_NE(0u, data_len); | |
| 46 DVLOG(1) << "ProcessData data_len: " << data_len; | |
| 47 data_ += string(data, data_len); | |
| 48 return should_process_data_ ? data_len : 0; | |
| 49 } | |
| 50 | |
| 51 using ReliableQuicStream::WriteOrBufferData; | |
| 52 using ReliableQuicStream::CloseReadSide; | |
| 53 using ReliableQuicStream::CloseWriteSide; | |
| 54 | |
| 55 const string& data() const { return data_; } | |
| 56 | |
| 57 private: | |
| 58 bool should_process_data_; | |
| 59 string data_; | |
| 60 }; | |
| 61 | |
| 62 class QuicDataStreamTest : public ::testing::TestWithParam<QuicVersion> { | |
| 63 public: | |
| 64 QuicDataStreamTest() { | |
| 65 headers_[":host"] = "www.google.com"; | |
| 66 headers_[":path"] = "/index.hml"; | |
| 67 headers_[":scheme"] = "https"; | |
| 68 headers_["cookie"] = | |
| 69 "__utma=208381060.1228362404.1372200928.1372200928.1372200928.1; " | |
| 70 "__utmc=160408618; " | |
| 71 "GX=DQAAAOEAAACWJYdewdE9rIrW6qw3PtVi2-d729qaa-74KqOsM1NVQblK4VhX" | |
| 72 "hoALMsy6HOdDad2Sz0flUByv7etmo3mLMidGrBoljqO9hSVA40SLqpG_iuKKSHX" | |
| 73 "RW3Np4bq0F0SDGDNsW0DSmTS9ufMRrlpARJDS7qAI6M3bghqJp4eABKZiRqebHT" | |
| 74 "pMU-RXvTI5D5oCF1vYxYofH_l1Kviuiy3oQ1kS1enqWgbhJ2t61_SNdv-1XJIS0" | |
| 75 "O3YeHLmVCs62O6zp89QwakfAWK9d3IDQvVSJzCQsvxvNIvaZFa567MawWlXg0Rh" | |
| 76 "1zFMi5vzcns38-8_Sns; " | |
| 77 "GA=v*2%2Fmem*57968640*47239936%2Fmem*57968640*47114716%2Fno-nm-" | |
| 78 "yj*15%2Fno-cc-yj*5%2Fpc-ch*133685%2Fpc-s-cr*133947%2Fpc-s-t*1339" | |
| 79 "47%2Fno-nm-yj*4%2Fno-cc-yj*1%2Fceft-as*1%2Fceft-nqas*0%2Fad-ra-c" | |
| 80 "v_p%2Fad-nr-cv_p-f*1%2Fad-v-cv_p*859%2Fad-ns-cv_p-f*1%2Ffn-v-ad%" | |
| 81 "2Fpc-t*250%2Fpc-cm*461%2Fpc-s-cr*722%2Fpc-s-t*722%2Fau_p*4" | |
| 82 "SICAID=AJKiYcHdKgxum7KMXG0ei2t1-W4OD1uW-ecNsCqC0wDuAXiDGIcT_HA2o1" | |
| 83 "3Rs1UKCuBAF9g8rWNOFbxt8PSNSHFuIhOo2t6bJAVpCsMU5Laa6lewuTMYI8MzdQP" | |
| 84 "ARHKyW-koxuhMZHUnGBJAM1gJODe0cATO_KGoX4pbbFxxJ5IicRxOrWK_5rU3cdy6" | |
| 85 "edlR9FsEdH6iujMcHkbE5l18ehJDwTWmBKBzVD87naobhMMrF6VvnDGxQVGp9Ir_b" | |
| 86 "Rgj3RWUoPumQVCxtSOBdX0GlJOEcDTNCzQIm9BSfetog_eP_TfYubKudt5eMsXmN6" | |
| 87 "QnyXHeGeK2UINUzJ-D30AFcpqYgH9_1BvYSpi7fc7_ydBU8TaD8ZRxvtnzXqj0RfG" | |
| 88 "tuHghmv3aD-uzSYJ75XDdzKdizZ86IG6Fbn1XFhYZM-fbHhm3mVEXnyRW4ZuNOLFk" | |
| 89 "Fas6LMcVC6Q8QLlHYbXBpdNFuGbuZGUnav5C-2I_-46lL0NGg3GewxGKGHvHEfoyn" | |
| 90 "EFFlEYHsBQ98rXImL8ySDycdLEFvBPdtctPmWCfTxwmoSMLHU2SCVDhbqMWU5b0yr" | |
| 91 "JBCScs_ejbKaqBDoB7ZGxTvqlrB__2ZmnHHjCr8RgMRtKNtIeuZAo "; | |
| 92 } | |
| 93 | |
| 94 void Initialize(bool stream_should_process_data) { | |
| 95 connection_ = new testing::StrictMock<MockConnection>( | |
| 96 kIsServer, SupportedVersions(GetParam())); | |
| 97 session_.reset(new testing::StrictMock<MockSession>(connection_)); | |
| 98 stream_.reset(new TestStream(kClientDataStreamId1, session_.get(), | |
| 99 stream_should_process_data)); | |
| 100 stream2_.reset(new TestStream(kClientDataStreamId2, session_.get(), | |
| 101 stream_should_process_data)); | |
| 102 write_blocked_list_ = | |
| 103 QuicSessionPeer::GetWriteBlockedStreams(session_.get()); | |
| 104 } | |
| 105 | |
| 106 protected: | |
| 107 MockConnection* connection_; | |
| 108 scoped_ptr<MockSession> session_; | |
| 109 scoped_ptr<TestStream> stream_; | |
| 110 scoped_ptr<TestStream> stream2_; | |
| 111 SpdyHeaderBlock headers_; | |
| 112 QuicWriteBlockedList* write_blocked_list_; | |
| 113 }; | |
| 114 | |
| 115 INSTANTIATE_TEST_CASE_P(Tests, QuicDataStreamTest, | |
| 116 ::testing::ValuesIn(QuicSupportedVersions())); | |
| 117 | |
| 118 TEST_P(QuicDataStreamTest, ProcessHeaders) { | |
| 119 Initialize(kShouldProcessData); | |
| 120 | |
| 121 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 122 stream_->OnStreamHeadersPriority(QuicUtils::HighestPriority()); | |
| 123 stream_->OnStreamHeaders(headers); | |
| 124 EXPECT_EQ(headers, stream_->data()); | |
| 125 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 126 EXPECT_EQ(QuicUtils::HighestPriority(), stream_->EffectivePriority()); | |
| 127 EXPECT_EQ(headers, stream_->data()); | |
| 128 EXPECT_FALSE(stream_->IsDoneReading()); | |
| 129 } | |
| 130 | |
| 131 TEST_P(QuicDataStreamTest, ProcessHeadersAndBody) { | |
| 132 Initialize(kShouldProcessData); | |
| 133 | |
| 134 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 135 string body = "this is the body"; | |
| 136 | |
| 137 stream_->OnStreamHeaders(headers); | |
| 138 EXPECT_EQ(headers, stream_->data()); | |
| 139 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 140 QuicStreamFrame frame(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 141 stream_->OnStreamFrame(frame); | |
| 142 | |
| 143 EXPECT_EQ(headers + body, stream_->data()); | |
| 144 } | |
| 145 | |
| 146 TEST_P(QuicDataStreamTest, ProcessHeadersAndBodyFragments) { | |
| 147 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 148 string body = "this is the body"; | |
| 149 | |
| 150 for (size_t fragment_size = 1; fragment_size < body.size(); | |
| 151 ++fragment_size) { | |
| 152 Initialize(kShouldProcessData); | |
| 153 for (size_t offset = 0; offset < headers.size(); | |
| 154 offset += fragment_size) { | |
| 155 size_t remaining_data = headers.size() - offset; | |
| 156 StringPiece fragment(headers.data() + offset, | |
| 157 min(fragment_size, remaining_data)); | |
| 158 stream_->OnStreamHeaders(fragment); | |
| 159 } | |
| 160 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 161 for (size_t offset = 0; offset < body.size(); offset += fragment_size) { | |
| 162 size_t remaining_data = body.size() - offset; | |
| 163 StringPiece fragment(body.data() + offset, | |
| 164 min(fragment_size, remaining_data)); | |
| 165 QuicStreamFrame frame(kClientDataStreamId1, false, offset, | |
| 166 MakeIOVector(fragment)); | |
| 167 stream_->OnStreamFrame(frame); | |
| 168 } | |
| 169 ASSERT_EQ(headers + body, | |
| 170 stream_->data()) << "fragment_size: " << fragment_size; | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 TEST_P(QuicDataStreamTest, ProcessHeadersAndBodyFragmentsSplit) { | |
| 175 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 176 string body = "this is the body"; | |
| 177 | |
| 178 for (size_t split_point = 1; split_point < body.size() - 1; ++split_point) { | |
| 179 Initialize(kShouldProcessData); | |
| 180 StringPiece headers1(headers.data(), split_point); | |
| 181 stream_->OnStreamHeaders(headers1); | |
| 182 | |
| 183 StringPiece headers2(headers.data() + split_point, | |
| 184 headers.size() - split_point); | |
| 185 stream_->OnStreamHeaders(headers2); | |
| 186 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 187 | |
| 188 StringPiece fragment1(body.data(), split_point); | |
| 189 QuicStreamFrame frame1(kClientDataStreamId1, false, 0, | |
| 190 MakeIOVector(fragment1)); | |
| 191 stream_->OnStreamFrame(frame1); | |
| 192 | |
| 193 StringPiece fragment2(body.data() + split_point, | |
| 194 body.size() - split_point); | |
| 195 QuicStreamFrame frame2(kClientDataStreamId1, false, split_point, | |
| 196 MakeIOVector(fragment2)); | |
| 197 stream_->OnStreamFrame(frame2); | |
| 198 | |
| 199 ASSERT_EQ(headers + body, | |
| 200 stream_->data()) << "split_point: " << split_point; | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 TEST_P(QuicDataStreamTest, ProcessHeadersAndBodyReadv) { | |
| 205 Initialize(!kShouldProcessData); | |
| 206 | |
| 207 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 208 string body = "this is the body"; | |
| 209 | |
| 210 stream_->OnStreamHeaders(headers); | |
| 211 EXPECT_EQ(headers, stream_->data()); | |
| 212 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 213 QuicStreamFrame frame(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 214 stream_->OnStreamFrame(frame); | |
| 215 | |
| 216 char buffer[2048]; | |
| 217 ASSERT_LT(headers.length() + body.length(), arraysize(buffer)); | |
| 218 struct iovec vec; | |
| 219 vec.iov_base = buffer; | |
| 220 vec.iov_len = arraysize(buffer); | |
| 221 | |
| 222 size_t bytes_read = stream_->Readv(&vec, 1); | |
| 223 EXPECT_EQ(headers.length(), bytes_read); | |
| 224 EXPECT_EQ(headers, string(buffer, bytes_read)); | |
| 225 | |
| 226 bytes_read = stream_->Readv(&vec, 1); | |
| 227 EXPECT_EQ(body.length(), bytes_read); | |
| 228 EXPECT_EQ(body, string(buffer, bytes_read)); | |
| 229 } | |
| 230 | |
| 231 TEST_P(QuicDataStreamTest, ProcessHeadersAndBodyIncrementalReadv) { | |
| 232 Initialize(!kShouldProcessData); | |
| 233 | |
| 234 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 235 string body = "this is the body"; | |
| 236 stream_->OnStreamHeaders(headers); | |
| 237 EXPECT_EQ(headers, stream_->data()); | |
| 238 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 239 QuicStreamFrame frame(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 240 stream_->OnStreamFrame(frame); | |
| 241 | |
| 242 char buffer[1]; | |
| 243 struct iovec vec; | |
| 244 vec.iov_base = buffer; | |
| 245 vec.iov_len = arraysize(buffer); | |
| 246 | |
| 247 string data = headers + body; | |
| 248 for (size_t i = 0; i < data.length(); ++i) { | |
| 249 size_t bytes_read = stream_->Readv(&vec, 1); | |
| 250 ASSERT_EQ(1u, bytes_read); | |
| 251 EXPECT_EQ(data.data()[i], buffer[0]); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 TEST_P(QuicDataStreamTest, ProcessHeadersUsingReadvWithMultipleIovecs) { | |
| 256 Initialize(!kShouldProcessData); | |
| 257 | |
| 258 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 259 string body = "this is the body"; | |
| 260 stream_->OnStreamHeaders(headers); | |
| 261 EXPECT_EQ(headers, stream_->data()); | |
| 262 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 263 QuicStreamFrame frame(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 264 stream_->OnStreamFrame(frame); | |
| 265 | |
| 266 char buffer1[1]; | |
| 267 char buffer2[1]; | |
| 268 struct iovec vec[2]; | |
| 269 vec[0].iov_base = buffer1; | |
| 270 vec[0].iov_len = arraysize(buffer1); | |
| 271 vec[1].iov_base = buffer2; | |
| 272 vec[1].iov_len = arraysize(buffer2); | |
| 273 string data = headers + body; | |
| 274 for (size_t i = 0; i < data.length(); i += 2) { | |
| 275 size_t bytes_read = stream_->Readv(vec, 2); | |
| 276 ASSERT_EQ(2u, bytes_read) << i; | |
| 277 ASSERT_EQ(data.data()[i], buffer1[0]) << i; | |
| 278 ASSERT_EQ(data.data()[i + 1], buffer2[0]) << i; | |
| 279 } | |
| 280 } | |
| 281 | |
| 282 TEST_P(QuicDataStreamTest, StreamFlowControlBlocked) { | |
| 283 // Tests that we send a BLOCKED frame to the peer when we attempt to write, | |
| 284 // but are flow control blocked. | |
| 285 Initialize(kShouldProcessData); | |
| 286 | |
| 287 // Set a small flow control limit. | |
| 288 const uint64 kWindow = 36; | |
| 289 QuicFlowControllerPeer::SetSendWindowOffset(stream_->flow_controller(), | |
| 290 kWindow); | |
| 291 EXPECT_EQ(kWindow, QuicFlowControllerPeer::SendWindowOffset( | |
| 292 stream_->flow_controller())); | |
| 293 | |
| 294 // Try to send more data than the flow control limit allows. | |
| 295 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 296 string body; | |
| 297 const uint64 kOverflow = 15; | |
| 298 GenerateBody(&body, kWindow + kOverflow); | |
| 299 | |
| 300 EXPECT_CALL(*connection_, SendBlocked(kClientDataStreamId1)); | |
| 301 EXPECT_CALL(*session_, WritevData(kClientDataStreamId1, _, _, _, _, _)) | |
| 302 .WillOnce(Return(QuicConsumedData(kWindow, true))); | |
| 303 stream_->WriteOrBufferData(body, false, nullptr); | |
| 304 | |
| 305 // Should have sent as much as possible, resulting in no send window left. | |
| 306 EXPECT_EQ(0u, | |
| 307 QuicFlowControllerPeer::SendWindowSize(stream_->flow_controller())); | |
| 308 | |
| 309 // And we should have queued the overflowed data. | |
| 310 EXPECT_EQ(kOverflow, | |
| 311 ReliableQuicStreamPeer::SizeOfQueuedData(stream_.get())); | |
| 312 } | |
| 313 | |
| 314 TEST_P(QuicDataStreamTest, StreamFlowControlNoWindowUpdateIfNotConsumed) { | |
| 315 // The flow control receive window decreases whenever we add new bytes to the | |
| 316 // sequencer, whether they are consumed immediately or buffered. However we | |
| 317 // only send WINDOW_UPDATE frames based on increasing number of bytes | |
| 318 // consumed. | |
| 319 | |
| 320 // Don't process data - it will be buffered instead. | |
| 321 Initialize(!kShouldProcessData); | |
| 322 | |
| 323 // Expect no WINDOW_UPDATE frames to be sent. | |
| 324 EXPECT_CALL(*connection_, SendWindowUpdate(_, _)).Times(0); | |
| 325 | |
| 326 // Set a small flow control receive window. | |
| 327 const uint64 kWindow = 36; | |
| 328 QuicFlowControllerPeer::SetReceiveWindowOffset(stream_->flow_controller(), | |
| 329 kWindow); | |
| 330 QuicFlowControllerPeer::SetMaxReceiveWindow(stream_->flow_controller(), | |
| 331 kWindow); | |
| 332 EXPECT_EQ(kWindow, QuicFlowControllerPeer::ReceiveWindowOffset( | |
| 333 stream_->flow_controller())); | |
| 334 | |
| 335 // Stream receives enough data to fill a fraction of the receive window. | |
| 336 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 337 string body; | |
| 338 GenerateBody(&body, kWindow / 3); | |
| 339 stream_->OnStreamHeaders(headers); | |
| 340 EXPECT_EQ(headers, stream_->data()); | |
| 341 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 342 | |
| 343 QuicStreamFrame frame1(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 344 stream_->OnStreamFrame(frame1); | |
| 345 EXPECT_EQ(kWindow - (kWindow / 3), QuicFlowControllerPeer::ReceiveWindowSize( | |
| 346 stream_->flow_controller())); | |
| 347 | |
| 348 // Now receive another frame which results in the receive window being over | |
| 349 // half full. This should all be buffered, decreasing the receive window but | |
| 350 // not sending WINDOW_UPDATE. | |
| 351 QuicStreamFrame frame2(kClientDataStreamId1, false, kWindow / 3, | |
| 352 MakeIOVector(body)); | |
| 353 stream_->OnStreamFrame(frame2); | |
| 354 EXPECT_EQ( | |
| 355 kWindow - (2 * kWindow / 3), | |
| 356 QuicFlowControllerPeer::ReceiveWindowSize(stream_->flow_controller())); | |
| 357 } | |
| 358 | |
| 359 TEST_P(QuicDataStreamTest, StreamFlowControlWindowUpdate) { | |
| 360 // Tests that on receipt of data, the stream updates its receive window offset | |
| 361 // appropriately, and sends WINDOW_UPDATE frames when its receive window drops | |
| 362 // too low. | |
| 363 Initialize(kShouldProcessData); | |
| 364 | |
| 365 // Set a small flow control limit. | |
| 366 const uint64 kWindow = 36; | |
| 367 QuicFlowControllerPeer::SetReceiveWindowOffset(stream_->flow_controller(), | |
| 368 kWindow); | |
| 369 QuicFlowControllerPeer::SetMaxReceiveWindow(stream_->flow_controller(), | |
| 370 kWindow); | |
| 371 EXPECT_EQ(kWindow, QuicFlowControllerPeer::ReceiveWindowOffset( | |
| 372 stream_->flow_controller())); | |
| 373 | |
| 374 // Stream receives enough data to fill a fraction of the receive window. | |
| 375 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 376 string body; | |
| 377 GenerateBody(&body, kWindow / 3); | |
| 378 stream_->OnStreamHeaders(headers); | |
| 379 EXPECT_EQ(headers, stream_->data()); | |
| 380 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 381 | |
| 382 QuicStreamFrame frame1(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 383 stream_->OnStreamFrame(frame1); | |
| 384 EXPECT_EQ(kWindow - (kWindow / 3), QuicFlowControllerPeer::ReceiveWindowSize( | |
| 385 stream_->flow_controller())); | |
| 386 | |
| 387 // Now receive another frame which results in the receive window being over | |
| 388 // half full. This will trigger the stream to increase its receive window | |
| 389 // offset and send a WINDOW_UPDATE. The result will be again an available | |
| 390 // window of kWindow bytes. | |
| 391 QuicStreamFrame frame2(kClientDataStreamId1, false, kWindow / 3, | |
| 392 MakeIOVector(body)); | |
| 393 EXPECT_CALL(*connection_, | |
| 394 SendWindowUpdate(kClientDataStreamId1, | |
| 395 QuicFlowControllerPeer::ReceiveWindowOffset( | |
| 396 stream_->flow_controller()) + | |
| 397 2 * kWindow / 3)); | |
| 398 stream_->OnStreamFrame(frame2); | |
| 399 EXPECT_EQ(kWindow, QuicFlowControllerPeer::ReceiveWindowSize( | |
| 400 stream_->flow_controller())); | |
| 401 } | |
| 402 | |
| 403 TEST_P(QuicDataStreamTest, ConnectionFlowControlWindowUpdate) { | |
| 404 // Tests that on receipt of data, the connection updates its receive window | |
| 405 // offset appropriately, and sends WINDOW_UPDATE frames when its receive | |
| 406 // window drops too low. | |
| 407 Initialize(kShouldProcessData); | |
| 408 | |
| 409 // Set a small flow control limit for streams and connection. | |
| 410 const uint64 kWindow = 36; | |
| 411 QuicFlowControllerPeer::SetReceiveWindowOffset(stream_->flow_controller(), | |
| 412 kWindow); | |
| 413 QuicFlowControllerPeer::SetMaxReceiveWindow(stream_->flow_controller(), | |
| 414 kWindow); | |
| 415 QuicFlowControllerPeer::SetReceiveWindowOffset(stream2_->flow_controller(), | |
| 416 kWindow); | |
| 417 QuicFlowControllerPeer::SetMaxReceiveWindow(stream2_->flow_controller(), | |
| 418 kWindow); | |
| 419 QuicFlowControllerPeer::SetReceiveWindowOffset(session_->flow_controller(), | |
| 420 kWindow); | |
| 421 QuicFlowControllerPeer::SetMaxReceiveWindow(session_->flow_controller(), | |
| 422 kWindow); | |
| 423 | |
| 424 // Supply headers to both streams so that they are happy to receive data. | |
| 425 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 426 stream_->OnStreamHeaders(headers); | |
| 427 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 428 stream2_->OnStreamHeaders(headers); | |
| 429 stream2_->OnStreamHeadersComplete(false, headers.size()); | |
| 430 | |
| 431 // Each stream gets a quarter window of data. This should not trigger a | |
| 432 // WINDOW_UPDATE for either stream, nor for the connection. | |
| 433 string body; | |
| 434 GenerateBody(&body, kWindow / 4); | |
| 435 QuicStreamFrame frame1(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 436 stream_->OnStreamFrame(frame1); | |
| 437 QuicStreamFrame frame2(kClientDataStreamId2, false, 0, MakeIOVector(body)); | |
| 438 stream2_->OnStreamFrame(frame2); | |
| 439 | |
| 440 // Now receive a further single byte on one stream - again this does not | |
| 441 // trigger a stream WINDOW_UPDATE, but now the connection flow control window | |
| 442 // is over half full and thus a connection WINDOW_UPDATE is sent. | |
| 443 EXPECT_CALL(*connection_, SendWindowUpdate(kClientDataStreamId1, _)).Times(0); | |
| 444 EXPECT_CALL(*connection_, SendWindowUpdate(kClientDataStreamId2, _)).Times(0); | |
| 445 EXPECT_CALL(*connection_, | |
| 446 SendWindowUpdate(0, QuicFlowControllerPeer::ReceiveWindowOffset( | |
| 447 session_->flow_controller()) + | |
| 448 1 + kWindow / 2)); | |
| 449 QuicStreamFrame frame3(kClientDataStreamId1, false, (kWindow / 4), | |
| 450 MakeIOVector("a")); | |
| 451 stream_->OnStreamFrame(frame3); | |
| 452 } | |
| 453 | |
| 454 TEST_P(QuicDataStreamTest, StreamFlowControlViolation) { | |
| 455 // Tests that on if the peer sends too much data (i.e. violates the flow | |
| 456 // control protocol), then we terminate the connection. | |
| 457 | |
| 458 // Stream should not process data, so that data gets buffered in the | |
| 459 // sequencer, triggering flow control limits. | |
| 460 Initialize(!kShouldProcessData); | |
| 461 | |
| 462 // Set a small flow control limit. | |
| 463 const uint64 kWindow = 50; | |
| 464 QuicFlowControllerPeer::SetReceiveWindowOffset(stream_->flow_controller(), | |
| 465 kWindow); | |
| 466 | |
| 467 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 468 stream_->OnStreamHeaders(headers); | |
| 469 EXPECT_EQ(headers, stream_->data()); | |
| 470 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 471 | |
| 472 // Receive data to overflow the window, violating flow control. | |
| 473 string body; | |
| 474 GenerateBody(&body, kWindow + 1); | |
| 475 QuicStreamFrame frame(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 476 EXPECT_CALL(*connection_, | |
| 477 SendConnectionClose(QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA)); | |
| 478 stream_->OnStreamFrame(frame); | |
| 479 } | |
| 480 | |
| 481 TEST_P(QuicDataStreamTest, ConnectionFlowControlViolation) { | |
| 482 // Tests that on if the peer sends too much data (i.e. violates the flow | |
| 483 // control protocol), at the connection level (rather than the stream level) | |
| 484 // then we terminate the connection. | |
| 485 | |
| 486 // Stream should not process data, so that data gets buffered in the | |
| 487 // sequencer, triggering flow control limits. | |
| 488 Initialize(!kShouldProcessData); | |
| 489 | |
| 490 // Set a small flow control window on streams, and connection. | |
| 491 const uint64 kStreamWindow = 50; | |
| 492 const uint64 kConnectionWindow = 10; | |
| 493 QuicFlowControllerPeer::SetReceiveWindowOffset(stream_->flow_controller(), | |
| 494 kStreamWindow); | |
| 495 QuicFlowControllerPeer::SetReceiveWindowOffset(session_->flow_controller(), | |
| 496 kConnectionWindow); | |
| 497 | |
| 498 string headers = SpdyUtils::SerializeUncompressedHeaders(headers_); | |
| 499 stream_->OnStreamHeaders(headers); | |
| 500 EXPECT_EQ(headers, stream_->data()); | |
| 501 stream_->OnStreamHeadersComplete(false, headers.size()); | |
| 502 | |
| 503 // Send enough data to overflow the connection level flow control window. | |
| 504 string body; | |
| 505 GenerateBody(&body, kConnectionWindow + 1); | |
| 506 EXPECT_LT(body.size(), kStreamWindow); | |
| 507 QuicStreamFrame frame(kClientDataStreamId1, false, 0, MakeIOVector(body)); | |
| 508 | |
| 509 EXPECT_CALL(*connection_, | |
| 510 SendConnectionClose(QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA)); | |
| 511 stream_->OnStreamFrame(frame); | |
| 512 } | |
| 513 | |
| 514 TEST_P(QuicDataStreamTest, StreamFlowControlFinNotBlocked) { | |
| 515 // An attempt to write a FIN with no data should not be flow control blocked, | |
| 516 // even if the send window is 0. | |
| 517 | |
| 518 Initialize(kShouldProcessData); | |
| 519 | |
| 520 // Set a flow control limit of zero. | |
| 521 QuicFlowControllerPeer::SetReceiveWindowOffset(stream_->flow_controller(), 0); | |
| 522 EXPECT_EQ(0u, QuicFlowControllerPeer::ReceiveWindowOffset( | |
| 523 stream_->flow_controller())); | |
| 524 | |
| 525 // Send a frame with a FIN but no data. This should not be blocked. | |
| 526 string body = ""; | |
| 527 bool fin = true; | |
| 528 | |
| 529 EXPECT_CALL(*connection_, SendBlocked(kClientDataStreamId1)).Times(0); | |
| 530 EXPECT_CALL(*session_, WritevData(kClientDataStreamId1, _, _, _, _, _)) | |
| 531 .WillOnce(Return(QuicConsumedData(0, fin))); | |
| 532 | |
| 533 stream_->WriteOrBufferData(body, fin, nullptr); | |
| 534 } | |
| 535 | |
| 536 } // namespace | |
| 537 } // namespace test | |
| 538 } // 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