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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/tools/quic/quic_time_wait_list_manager.h" | 5 #include "net/tools/quic/quic_time_wait_list_manager.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 | 8 |
| 9 #include "net/quic/crypto/crypto_protocol.h" | 9 #include "net/quic/crypto/crypto_protocol.h" |
| 10 #include "net/quic/crypto/null_encrypter.h" | 10 #include "net/quic/crypto/null_encrypter.h" |
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| 175 Perspective::IS_CLIENT); | 175 Perspective::IS_CLIENT); |
| 176 framer.set_visitor(&visitor); | 176 framer.set_visitor(&visitor); |
| 177 QuicEncryptedPacket encrypted(std::tr1::get<0>(packet_buffer), | 177 QuicEncryptedPacket encrypted(std::tr1::get<0>(packet_buffer), |
| 178 std::tr1::get<1>(packet_buffer)); | 178 std::tr1::get<1>(packet_buffer)); |
| 179 framer.ProcessPacket(encrypted); | 179 framer.ProcessPacket(encrypted); |
| 180 QuicPublicResetPacket packet = visitor.public_reset_packet(); | 180 QuicPublicResetPacket packet = visitor.public_reset_packet(); |
| 181 return connection_id_ == packet.public_header.connection_id && | 181 return connection_id_ == packet.public_header.connection_id && |
| 182 packet.public_header.reset_flag && | 182 packet.public_header.reset_flag && |
| 183 !packet.public_header.version_flag && | 183 !packet.public_header.version_flag && |
| 184 packet_number_ == packet.rejected_packet_number && | 184 packet_number_ == packet.rejected_packet_number && |
| 185 net::test::TestPeerIPAddress() == packet.client_address.address() && | 185 net::test::TestPeerIPAddress() == |
| 186 packet.client_address.address_number() && |
| 186 kTestPort == packet.client_address.port(); | 187 kTestPort == packet.client_address.port(); |
| 187 } | 188 } |
| 188 | 189 |
| 189 void DescribeTo(::std::ostream* os) const override {} | 190 void DescribeTo(::std::ostream* os) const override {} |
| 190 | 191 |
| 191 void DescribeNegationTo(::std::ostream* os) const override {} | 192 void DescribeNegationTo(::std::ostream* os) const override {} |
| 192 | 193 |
| 193 private: | 194 private: |
| 194 QuicConnectionId connection_id_; | 195 QuicConnectionId connection_id_; |
| 195 QuicPacketNumber packet_number_; | 196 QuicPacketNumber packet_number_; |
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| 221 TEST_F(QuicTimeWaitListManagerTest, SendConnectionClose) { | 222 TEST_F(QuicTimeWaitListManagerTest, SendConnectionClose) { |
| 222 const size_t kConnectionCloseLength = 100; | 223 const size_t kConnectionCloseLength = 100; |
| 223 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); | 224 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); |
| 224 std::vector<QuicEncryptedPacket*> termination_packets; | 225 std::vector<QuicEncryptedPacket*> termination_packets; |
| 225 termination_packets.push_back(new QuicEncryptedPacket( | 226 termination_packets.push_back(new QuicEncryptedPacket( |
| 226 new char[kConnectionCloseLength], kConnectionCloseLength, true)); | 227 new char[kConnectionCloseLength], kConnectionCloseLength, true)); |
| 227 AddConnectionId(connection_id_, QuicVersionMax(), | 228 AddConnectionId(connection_id_, QuicVersionMax(), |
| 228 /*connection_rejected_statelessly=*/false, | 229 /*connection_rejected_statelessly=*/false, |
| 229 &termination_packets); | 230 &termination_packets); |
| 230 const int kRandomSequenceNumber = 1; | 231 const int kRandomSequenceNumber = 1; |
| 231 EXPECT_CALL(writer_, WritePacket(_, kConnectionCloseLength, | 232 EXPECT_CALL(writer_, |
| 232 server_address_.address(), client_address_)) | 233 WritePacket(_, kConnectionCloseLength, |
| 234 server_address_.address_number(), client_address_)) |
| 233 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 1))); | 235 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 1))); |
| 234 | 236 |
| 235 ProcessPacket(connection_id_, kRandomSequenceNumber); | 237 ProcessPacket(connection_id_, kRandomSequenceNumber); |
| 236 } | 238 } |
| 237 | 239 |
| 238 TEST_F(QuicTimeWaitListManagerTest, SendTwoConnectionCloses) { | 240 TEST_F(QuicTimeWaitListManagerTest, SendTwoConnectionCloses) { |
| 239 const size_t kConnectionCloseLength = 100; | 241 const size_t kConnectionCloseLength = 100; |
| 240 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); | 242 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); |
| 241 std::vector<QuicEncryptedPacket*> termination_packets; | 243 std::vector<QuicEncryptedPacket*> termination_packets; |
| 242 termination_packets.push_back(new QuicEncryptedPacket( | 244 termination_packets.push_back(new QuicEncryptedPacket( |
| 243 new char[kConnectionCloseLength], kConnectionCloseLength, true)); | 245 new char[kConnectionCloseLength], kConnectionCloseLength, true)); |
| 244 termination_packets.push_back(new QuicEncryptedPacket( | 246 termination_packets.push_back(new QuicEncryptedPacket( |
| 245 new char[kConnectionCloseLength], kConnectionCloseLength, true)); | 247 new char[kConnectionCloseLength], kConnectionCloseLength, true)); |
| 246 AddConnectionId(connection_id_, QuicVersionMax(), | 248 AddConnectionId(connection_id_, QuicVersionMax(), |
| 247 /*connection_rejected_statelessly=*/false, | 249 /*connection_rejected_statelessly=*/false, |
| 248 &termination_packets); | 250 &termination_packets); |
| 249 const int kRandomSequenceNumber = 1; | 251 const int kRandomSequenceNumber = 1; |
| 250 EXPECT_CALL(writer_, WritePacket(_, kConnectionCloseLength, | 252 EXPECT_CALL(writer_, |
| 251 server_address_.address(), client_address_)) | 253 WritePacket(_, kConnectionCloseLength, |
| 254 server_address_.address_number(), client_address_)) |
| 252 .Times(2) | 255 .Times(2) |
| 253 .WillRepeatedly(Return(WriteResult(WRITE_STATUS_OK, 1))); | 256 .WillRepeatedly(Return(WriteResult(WRITE_STATUS_OK, 1))); |
| 254 | 257 |
| 255 ProcessPacket(connection_id_, kRandomSequenceNumber); | 258 ProcessPacket(connection_id_, kRandomSequenceNumber); |
| 256 } | 259 } |
| 257 | 260 |
| 258 TEST_F(QuicTimeWaitListManagerTest, SendPublicReset) { | 261 TEST_F(QuicTimeWaitListManagerTest, SendPublicReset) { |
| 259 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); | 262 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); |
| 260 AddConnectionId(connection_id_); | 263 AddConnectionId(connection_id_); |
| 261 const int kRandomSequenceNumber = 1; | 264 const int kRandomSequenceNumber = 1; |
| 262 EXPECT_CALL(writer_, | 265 EXPECT_CALL(writer_, WritePacket(_, _, server_address_.address_number(), |
| 263 WritePacket(_, _, server_address_.address(), client_address_)) | 266 client_address_)) |
| 264 .With(Args<0, 1>( | 267 .With(Args<0, 1>( |
| 265 PublicResetPacketEq(connection_id_, kRandomSequenceNumber))) | 268 PublicResetPacketEq(connection_id_, kRandomSequenceNumber))) |
| 266 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 0))); | 269 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 0))); |
| 267 | 270 |
| 268 ProcessPacket(connection_id_, kRandomSequenceNumber); | 271 ProcessPacket(connection_id_, kRandomSequenceNumber); |
| 269 } | 272 } |
| 270 | 273 |
| 271 TEST_F(QuicTimeWaitListManagerTest, SendPublicResetWithExponentialBackOff) { | 274 TEST_F(QuicTimeWaitListManagerTest, SendPublicResetWithExponentialBackOff) { |
| 272 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); | 275 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); |
| 273 AddConnectionId(connection_id_); | 276 AddConnectionId(connection_id_); |
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| 287 &time_wait_list_manager_, packet_number)); | 290 &time_wait_list_manager_, packet_number)); |
| 288 } | 291 } |
| 289 } | 292 } |
| 290 } | 293 } |
| 291 | 294 |
| 292 TEST_F(QuicTimeWaitListManagerTest, NoPublicResetForStatelessConnections) { | 295 TEST_F(QuicTimeWaitListManagerTest, NoPublicResetForStatelessConnections) { |
| 293 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); | 296 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_)); |
| 294 AddStatelessConnectionId(connection_id_); | 297 AddStatelessConnectionId(connection_id_); |
| 295 const int kRandomSequenceNumber = 1; | 298 const int kRandomSequenceNumber = 1; |
| 296 | 299 |
| 297 EXPECT_CALL(writer_, | 300 EXPECT_CALL(writer_, WritePacket(_, _, server_address_.address_number(), |
| 298 WritePacket(_, _, server_address_.address(), client_address_)) | 301 client_address_)) |
| 299 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 1))); | 302 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 1))); |
| 300 | 303 |
| 301 ProcessPacket(connection_id_, kRandomSequenceNumber); | 304 ProcessPacket(connection_id_, kRandomSequenceNumber); |
| 302 } | 305 } |
| 303 | 306 |
| 304 TEST_F(QuicTimeWaitListManagerTest, CleanUpOldConnectionIds) { | 307 TEST_F(QuicTimeWaitListManagerTest, CleanUpOldConnectionIds) { |
| 305 const size_t kConnectionIdCount = 100; | 308 const size_t kConnectionIdCount = 100; |
| 306 const size_t kOldConnectionIdCount = 31; | 309 const size_t kOldConnectionIdCount = 31; |
| 307 | 310 |
| 308 // Add connection_ids such that their expiry time is time_wait_period_. | 311 // Add connection_ids such that their expiry time is time_wait_period_. |
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| 354 } | 357 } |
| 355 | 358 |
| 356 TEST_F(QuicTimeWaitListManagerTest, SendQueuedPackets) { | 359 TEST_F(QuicTimeWaitListManagerTest, SendQueuedPackets) { |
| 357 QuicConnectionId connection_id = 1; | 360 QuicConnectionId connection_id = 1; |
| 358 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id)); | 361 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id)); |
| 359 AddConnectionId(connection_id); | 362 AddConnectionId(connection_id); |
| 360 QuicPacketNumber packet_number = 234; | 363 QuicPacketNumber packet_number = 234; |
| 361 scoped_ptr<QuicEncryptedPacket> packet( | 364 scoped_ptr<QuicEncryptedPacket> packet( |
| 362 ConstructEncryptedPacket(connection_id, packet_number)); | 365 ConstructEncryptedPacket(connection_id, packet_number)); |
| 363 // Let first write through. | 366 // Let first write through. |
| 364 EXPECT_CALL(writer_, | 367 EXPECT_CALL(writer_, WritePacket(_, _, server_address_.address_number(), |
| 365 WritePacket(_, _, server_address_.address(), client_address_)) | 368 client_address_)) |
| 366 .With(Args<0, 1>(PublicResetPacketEq(connection_id, packet_number))) | 369 .With(Args<0, 1>(PublicResetPacketEq(connection_id, packet_number))) |
| 367 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, packet->length()))); | 370 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, packet->length()))); |
| 368 ProcessPacket(connection_id, packet_number); | 371 ProcessPacket(connection_id, packet_number); |
| 369 | 372 |
| 370 // write block for the next packet. | 373 // write block for the next packet. |
| 371 EXPECT_CALL(writer_, | 374 EXPECT_CALL(writer_, WritePacket(_, _, server_address_.address_number(), |
| 372 WritePacket(_, _, server_address_.address(), client_address_)) | 375 client_address_)) |
| 373 .With(Args<0, 1>(PublicResetPacketEq(connection_id, packet_number))) | 376 .With(Args<0, 1>(PublicResetPacketEq(connection_id, packet_number))) |
| 374 .WillOnce(DoAll(Assign(&writer_is_blocked_, true), | 377 .WillOnce(DoAll(Assign(&writer_is_blocked_, true), |
| 375 Return(WriteResult(WRITE_STATUS_BLOCKED, EAGAIN)))); | 378 Return(WriteResult(WRITE_STATUS_BLOCKED, EAGAIN)))); |
| 376 EXPECT_CALL(visitor_, OnWriteBlocked(&time_wait_list_manager_)); | 379 EXPECT_CALL(visitor_, OnWriteBlocked(&time_wait_list_manager_)); |
| 377 ProcessPacket(connection_id, packet_number); | 380 ProcessPacket(connection_id, packet_number); |
| 378 // 3rd packet. No public reset should be sent; | 381 // 3rd packet. No public reset should be sent; |
| 379 ProcessPacket(connection_id, packet_number); | 382 ProcessPacket(connection_id, packet_number); |
| 380 | 383 |
| 381 // write packet should not be called since we are write blocked but the | 384 // write packet should not be called since we are write blocked but the |
| 382 // should be queued. | 385 // should be queued. |
| 383 QuicConnectionId other_connection_id = 2; | 386 QuicConnectionId other_connection_id = 2; |
| 384 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(other_connection_id)); | 387 EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(other_connection_id)); |
| 385 AddConnectionId(other_connection_id); | 388 AddConnectionId(other_connection_id); |
| 386 QuicPacketNumber other_packet_number = 23423; | 389 QuicPacketNumber other_packet_number = 23423; |
| 387 scoped_ptr<QuicEncryptedPacket> other_packet( | 390 scoped_ptr<QuicEncryptedPacket> other_packet( |
| 388 ConstructEncryptedPacket(other_connection_id, other_packet_number)); | 391 ConstructEncryptedPacket(other_connection_id, other_packet_number)); |
| 389 EXPECT_CALL(writer_, WritePacket(_, _, _, _)).Times(0); | 392 EXPECT_CALL(writer_, WritePacket(_, _, _, _)).Times(0); |
| 390 EXPECT_CALL(visitor_, OnWriteBlocked(&time_wait_list_manager_)); | 393 EXPECT_CALL(visitor_, OnWriteBlocked(&time_wait_list_manager_)); |
| 391 ProcessPacket(other_connection_id, other_packet_number); | 394 ProcessPacket(other_connection_id, other_packet_number); |
| 392 EXPECT_EQ(2u, time_wait_list_manager_.num_connections()); | 395 EXPECT_EQ(2u, time_wait_list_manager_.num_connections()); |
| 393 | 396 |
| 394 // Now expect all the write blocked public reset packets to be sent again. | 397 // Now expect all the write blocked public reset packets to be sent again. |
| 395 writer_is_blocked_ = false; | 398 writer_is_blocked_ = false; |
| 396 EXPECT_CALL(writer_, | 399 EXPECT_CALL(writer_, WritePacket(_, _, server_address_.address_number(), |
| 397 WritePacket(_, _, server_address_.address(), client_address_)) | 400 client_address_)) |
| 398 .With(Args<0, 1>(PublicResetPacketEq(connection_id, packet_number))) | 401 .With(Args<0, 1>(PublicResetPacketEq(connection_id, packet_number))) |
| 399 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, packet->length()))); | 402 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, packet->length()))); |
| 400 EXPECT_CALL(writer_, | 403 EXPECT_CALL(writer_, WritePacket(_, _, server_address_.address_number(), |
| 401 WritePacket(_, _, server_address_.address(), client_address_)) | 404 client_address_)) |
| 402 .With(Args<0, 1>( | 405 .With(Args<0, 1>( |
| 403 PublicResetPacketEq(other_connection_id, other_packet_number))) | 406 PublicResetPacketEq(other_connection_id, other_packet_number))) |
| 404 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, other_packet->length()))); | 407 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, other_packet->length()))); |
| 405 time_wait_list_manager_.OnCanWrite(); | 408 time_wait_list_manager_.OnCanWrite(); |
| 406 } | 409 } |
| 407 | 410 |
| 408 TEST_F(QuicTimeWaitListManagerTest, GetQuicVersionFromMap) { | 411 TEST_F(QuicTimeWaitListManagerTest, GetQuicVersionFromMap) { |
| 409 const int kConnectionId1 = 123; | 412 const int kConnectionId1 = 123; |
| 410 const int kConnectionId2 = 456; | 413 const int kConnectionId2 = 456; |
| 411 const int kConnectionId3 = 789; | 414 const int kConnectionId3 = 789; |
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| 440 const size_t kConnectionCloseLength = 100; | 443 const size_t kConnectionCloseLength = 100; |
| 441 std::vector<QuicEncryptedPacket*> termination_packets; | 444 std::vector<QuicEncryptedPacket*> termination_packets; |
| 442 termination_packets.push_back(new QuicEncryptedPacket( | 445 termination_packets.push_back(new QuicEncryptedPacket( |
| 443 new char[kConnectionCloseLength], kConnectionCloseLength, true)); | 446 new char[kConnectionCloseLength], kConnectionCloseLength, true)); |
| 444 AddConnectionId(connection_id_, QuicVersionMax(), | 447 AddConnectionId(connection_id_, QuicVersionMax(), |
| 445 /*connection_rejected_statelessly=*/false, | 448 /*connection_rejected_statelessly=*/false, |
| 446 &termination_packets); | 449 &termination_packets); |
| 447 EXPECT_TRUE(IsConnectionIdInTimeWait(connection_id_)); | 450 EXPECT_TRUE(IsConnectionIdInTimeWait(connection_id_)); |
| 448 EXPECT_EQ(1u, time_wait_list_manager_.num_connections()); | 451 EXPECT_EQ(1u, time_wait_list_manager_.num_connections()); |
| 449 | 452 |
| 450 EXPECT_CALL(writer_, WritePacket(_, kConnectionCloseLength, | 453 EXPECT_CALL(writer_, |
| 451 server_address_.address(), client_address_)) | 454 WritePacket(_, kConnectionCloseLength, |
| 455 server_address_.address_number(), client_address_)) |
| 452 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 1))); | 456 .WillOnce(Return(WriteResult(WRITE_STATUS_OK, 1))); |
| 453 | 457 |
| 454 const int kRandomSequenceNumber = 1; | 458 const int kRandomSequenceNumber = 1; |
| 455 ProcessPacket(connection_id_, kRandomSequenceNumber); | 459 ProcessPacket(connection_id_, kRandomSequenceNumber); |
| 456 | 460 |
| 457 const QuicTime::Delta time_wait_period = | 461 const QuicTime::Delta time_wait_period = |
| 458 QuicTimeWaitListManagerPeer::time_wait_period(&time_wait_list_manager_); | 462 QuicTimeWaitListManagerPeer::time_wait_period(&time_wait_list_manager_); |
| 459 | 463 |
| 460 QuicTime::Delta offset = QuicTime::Delta::FromMicroseconds(39); | 464 QuicTime::Delta offset = QuicTime::Delta::FromMicroseconds(39); |
| 461 // Now set the current time as time_wait_period + offset usecs. | 465 // Now set the current time as time_wait_period + offset usecs. |
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| 536 time_wait_list_manager_.num_connections()); | 540 time_wait_list_manager_.num_connections()); |
| 537 EXPECT_FALSE(IsConnectionIdInTimeWait(id_to_evict)); | 541 EXPECT_FALSE(IsConnectionIdInTimeWait(id_to_evict)); |
| 538 EXPECT_TRUE(IsConnectionIdInTimeWait(current_connection_id)); | 542 EXPECT_TRUE(IsConnectionIdInTimeWait(current_connection_id)); |
| 539 } | 543 } |
| 540 } | 544 } |
| 541 | 545 |
| 542 } // namespace | 546 } // namespace |
| 543 } // namespace test | 547 } // namespace test |
| 544 } // namespace tools | 548 } // namespace tools |
| 545 } // namespace net | 549 } // namespace net |
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