| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "quiche/quic/core/http/quic_spdy_stream.h" |
| |
| #include <cstring> |
| #include <memory> |
| #include <string> |
| #include <utility> |
| |
| #include "absl/base/macros.h" |
| #include "absl/memory/memory.h" |
| #include "absl/strings/escaping.h" |
| #include "absl/strings/str_cat.h" |
| #include "absl/strings/string_view.h" |
| #include "quiche/quic/core/crypto/null_encrypter.h" |
| #include "quiche/quic/core/http/http_encoder.h" |
| #include "quiche/quic/core/http/quic_spdy_session.h" |
| #include "quiche/quic/core/http/spdy_utils.h" |
| #include "quiche/quic/core/http/web_transport_http3.h" |
| #include "quiche/quic/core/quic_connection.h" |
| #include "quiche/quic/core/quic_stream_sequencer_buffer.h" |
| #include "quiche/quic/core/quic_utils.h" |
| #include "quiche/quic/core/quic_versions.h" |
| #include "quiche/quic/core/quic_write_blocked_list.h" |
| #include "quiche/quic/platform/api/quic_expect_bug.h" |
| #include "quiche/quic/platform/api/quic_flags.h" |
| #include "quiche/quic/platform/api/quic_test.h" |
| #include "quiche/quic/test_tools/qpack/qpack_test_utils.h" |
| #include "quiche/quic/test_tools/quic_config_peer.h" |
| #include "quiche/quic/test_tools/quic_connection_peer.h" |
| #include "quiche/quic/test_tools/quic_flow_controller_peer.h" |
| #include "quiche/quic/test_tools/quic_session_peer.h" |
| #include "quiche/quic/test_tools/quic_spdy_session_peer.h" |
| #include "quiche/quic/test_tools/quic_spdy_stream_peer.h" |
| #include "quiche/quic/test_tools/quic_stream_peer.h" |
| #include "quiche/quic/test_tools/quic_test_utils.h" |
| #include "quiche/common/quiche_mem_slice_storage.h" |
| #include "quiche/common/simple_buffer_allocator.h" |
| |
| using spdy::Http2HeaderBlock; |
| using spdy::kV3HighestPriority; |
| using spdy::kV3LowestPriority; |
| using spdy::SpdyPriority; |
| using testing::_; |
| using testing::AnyNumber; |
| using testing::AtLeast; |
| using testing::DoAll; |
| using testing::ElementsAre; |
| using testing::Invoke; |
| using testing::InvokeWithoutArgs; |
| using testing::MatchesRegex; |
| using testing::Pair; |
| using testing::Return; |
| using testing::SaveArg; |
| using testing::StrictMock; |
| |
| namespace quic { |
| namespace test { |
| namespace { |
| |
| const bool kShouldProcessData = true; |
| const char kDataFramePayload[] = "some data"; |
| |
| class TestCryptoStream : public QuicCryptoStream, public QuicCryptoHandshaker { |
| public: |
| explicit TestCryptoStream(QuicSession* session) |
| : QuicCryptoStream(session), |
| QuicCryptoHandshaker(this, session), |
| encryption_established_(false), |
| one_rtt_keys_available_(false), |
| params_(new QuicCryptoNegotiatedParameters) { |
| // Simulate a negotiated cipher_suite with a fake value. |
| params_->cipher_suite = 1; |
| } |
| |
| void OnHandshakeMessage(const CryptoHandshakeMessage& /*message*/) override { |
| encryption_established_ = true; |
| one_rtt_keys_available_ = true; |
| QuicErrorCode error; |
| std::string error_details; |
| session()->config()->SetInitialStreamFlowControlWindowToSend( |
| kInitialStreamFlowControlWindowForTest); |
| session()->config()->SetInitialSessionFlowControlWindowToSend( |
| kInitialSessionFlowControlWindowForTest); |
| if (session()->version().UsesTls()) { |
| if (session()->perspective() == Perspective::IS_CLIENT) { |
| session()->config()->SetOriginalConnectionIdToSend( |
| session()->connection()->connection_id()); |
| session()->config()->SetInitialSourceConnectionIdToSend( |
| session()->connection()->connection_id()); |
| } else { |
| session()->config()->SetInitialSourceConnectionIdToSend( |
| session()->connection()->client_connection_id()); |
| } |
| TransportParameters transport_parameters; |
| EXPECT_TRUE( |
| session()->config()->FillTransportParameters(&transport_parameters)); |
| error = session()->config()->ProcessTransportParameters( |
| transport_parameters, /* is_resumption = */ false, &error_details); |
| } else { |
| CryptoHandshakeMessage msg; |
| session()->config()->ToHandshakeMessage(&msg, transport_version()); |
| error = |
| session()->config()->ProcessPeerHello(msg, CLIENT, &error_details); |
| } |
| EXPECT_THAT(error, IsQuicNoError()); |
| session()->OnNewEncryptionKeyAvailable( |
| ENCRYPTION_FORWARD_SECURE, |
| std::make_unique<NullEncrypter>(session()->perspective())); |
| session()->OnConfigNegotiated(); |
| if (session()->version().UsesTls()) { |
| session()->OnTlsHandshakeComplete(); |
| } else { |
| session()->SetDefaultEncryptionLevel(ENCRYPTION_FORWARD_SECURE); |
| } |
| if (session()->version().UsesTls()) { |
| // HANDSHAKE_DONE frame. |
| EXPECT_CALL(*this, HasPendingRetransmission()); |
| } |
| session()->DiscardOldEncryptionKey(ENCRYPTION_INITIAL); |
| } |
| |
| // QuicCryptoStream implementation |
| ssl_early_data_reason_t EarlyDataReason() const override { |
| return ssl_early_data_unknown; |
| } |
| bool encryption_established() const override { |
| return encryption_established_; |
| } |
| bool one_rtt_keys_available() const override { |
| return one_rtt_keys_available_; |
| } |
| HandshakeState GetHandshakeState() const override { |
| return one_rtt_keys_available() ? HANDSHAKE_COMPLETE : HANDSHAKE_START; |
| } |
| void SetServerApplicationStateForResumption( |
| std::unique_ptr<ApplicationState> /*application_state*/) override {} |
| std::unique_ptr<QuicDecrypter> AdvanceKeysAndCreateCurrentOneRttDecrypter() |
| override { |
| return nullptr; |
| } |
| std::unique_ptr<QuicEncrypter> CreateCurrentOneRttEncrypter() override { |
| return nullptr; |
| } |
| const QuicCryptoNegotiatedParameters& crypto_negotiated_params() |
| const override { |
| return *params_; |
| } |
| CryptoMessageParser* crypto_message_parser() override { |
| return QuicCryptoHandshaker::crypto_message_parser(); |
| } |
| void OnPacketDecrypted(EncryptionLevel /*level*/) override {} |
| void OnOneRttPacketAcknowledged() override {} |
| void OnHandshakePacketSent() override {} |
| void OnConnectionClosed(QuicErrorCode /*error*/, |
| ConnectionCloseSource /*source*/) override {} |
| void OnHandshakeDoneReceived() override {} |
| void OnNewTokenReceived(absl::string_view /*token*/) override {} |
| std::string GetAddressToken( |
| const CachedNetworkParameters* /*cached_network_parameters*/) |
| const override { |
| return ""; |
| } |
| bool ValidateAddressToken(absl::string_view /*token*/) const override { |
| return true; |
| } |
| const CachedNetworkParameters* PreviousCachedNetworkParams() const override { |
| return nullptr; |
| } |
| void SetPreviousCachedNetworkParams( |
| CachedNetworkParameters /*cached_network_params*/) override {} |
| |
| MOCK_METHOD(void, OnCanWrite, (), (override)); |
| |
| bool HasPendingCryptoRetransmission() const override { return false; } |
| |
| MOCK_METHOD(bool, HasPendingRetransmission, (), (const, override)); |
| |
| bool ExportKeyingMaterial(absl::string_view /*label*/, |
| absl::string_view /*context*/, |
| size_t /*result_len*/, |
| std::string* /*result*/) override { |
| return false; |
| } |
| |
| SSL* GetSsl() const override { return nullptr; } |
| |
| bool IsCryptoFrameExpectedForEncryptionLevel( |
| EncryptionLevel level) const override { |
| return level != ENCRYPTION_ZERO_RTT; |
| } |
| |
| EncryptionLevel GetEncryptionLevelToSendCryptoDataOfSpace( |
| PacketNumberSpace space) const override { |
| switch (space) { |
| case INITIAL_DATA: |
| return ENCRYPTION_INITIAL; |
| case HANDSHAKE_DATA: |
| return ENCRYPTION_HANDSHAKE; |
| case APPLICATION_DATA: |
| return ENCRYPTION_FORWARD_SECURE; |
| default: |
| QUICHE_DCHECK(false); |
| return NUM_ENCRYPTION_LEVELS; |
| } |
| } |
| |
| private: |
| using QuicCryptoStream::session; |
| |
| bool encryption_established_; |
| bool one_rtt_keys_available_; |
| quiche::QuicheReferenceCountedPointer<QuicCryptoNegotiatedParameters> params_; |
| }; |
| |
| class TestStream : public QuicSpdyStream { |
| public: |
| TestStream(QuicStreamId id, QuicSpdySession* session, |
| bool should_process_data) |
| : QuicSpdyStream(id, session, BIDIRECTIONAL), |
| should_process_data_(should_process_data), |
| headers_payload_length_(0) {} |
| ~TestStream() override = default; |
| |
| using QuicSpdyStream::set_ack_listener; |
| using QuicStream::CloseWriteSide; |
| using QuicStream::WriteOrBufferData; |
| |
| void OnBodyAvailable() override { |
| if (!should_process_data_) { |
| return; |
| } |
| char buffer[2048]; |
| struct iovec vec; |
| vec.iov_base = buffer; |
| vec.iov_len = ABSL_ARRAYSIZE(buffer); |
| size_t bytes_read = Readv(&vec, 1); |
| data_ += std::string(buffer, bytes_read); |
| } |
| |
| MOCK_METHOD(void, WriteHeadersMock, (bool fin), ()); |
| |
| size_t WriteHeadersImpl( |
| spdy::Http2HeaderBlock header_block, bool fin, |
| quiche::QuicheReferenceCountedPointer<QuicAckListenerInterface> |
| /*ack_listener*/) override { |
| saved_headers_ = std::move(header_block); |
| WriteHeadersMock(fin); |
| if (VersionUsesHttp3(transport_version())) { |
| // In this case, call QuicSpdyStream::WriteHeadersImpl() that does the |
| // actual work of closing the stream. |
| return QuicSpdyStream::WriteHeadersImpl(saved_headers_.Clone(), fin, |
| nullptr); |
| } |
| return 0; |
| } |
| |
| const std::string& data() const { return data_; } |
| const spdy::Http2HeaderBlock& saved_headers() const { return saved_headers_; } |
| |
| // Expose protected accessor. |
| const QuicStreamSequencer* sequencer() const { |
| return QuicStream::sequencer(); |
| } |
| |
| void OnStreamHeaderList(bool fin, size_t frame_len, |
| const QuicHeaderList& header_list) override { |
| headers_payload_length_ = frame_len; |
| QuicSpdyStream::OnStreamHeaderList(fin, frame_len, header_list); |
| } |
| |
| size_t headers_payload_length() const { return headers_payload_length_; } |
| |
| bool AreHeadersValid(const QuicHeaderList& header_list) const override { |
| return !GetQuicReloadableFlag(quic_verify_request_headers_2) || |
| QuicSpdyStream::AreHeadersValid(header_list); |
| } |
| |
| private: |
| bool should_process_data_; |
| spdy::Http2HeaderBlock saved_headers_; |
| std::string data_; |
| size_t headers_payload_length_; |
| }; |
| |
| class TestSession : public MockQuicSpdySession { |
| public: |
| explicit TestSession(QuicConnection* connection) |
| : MockQuicSpdySession(connection, /*create_mock_crypto_stream=*/false), |
| crypto_stream_(this) {} |
| |
| TestCryptoStream* GetMutableCryptoStream() override { |
| return &crypto_stream_; |
| } |
| |
| const TestCryptoStream* GetCryptoStream() const override { |
| return &crypto_stream_; |
| } |
| |
| bool ShouldNegotiateWebTransport() override { return enable_webtransport_; } |
| void EnableWebTransport() { enable_webtransport_ = true; } |
| |
| HttpDatagramSupport LocalHttpDatagramSupport() override { |
| return local_http_datagram_support_; |
| } |
| void set_local_http_datagram_support(HttpDatagramSupport value) { |
| local_http_datagram_support_ = value; |
| } |
| |
| private: |
| bool enable_webtransport_ = false; |
| HttpDatagramSupport local_http_datagram_support_ = HttpDatagramSupport::kNone; |
| StrictMock<TestCryptoStream> crypto_stream_; |
| }; |
| |
| class TestMockUpdateStreamSession : public MockQuicSpdySession { |
| public: |
| explicit TestMockUpdateStreamSession(QuicConnection* connection) |
| : MockQuicSpdySession(connection), |
| expected_precedence_( |
| spdy::SpdyStreamPrecedence(QuicStream::kDefaultPriority)) {} |
| |
| void UpdateStreamPriority( |
| QuicStreamId id, const spdy::SpdyStreamPrecedence& precedence) override { |
| EXPECT_EQ(id, expected_stream_->id()); |
| EXPECT_EQ(expected_precedence_, precedence); |
| EXPECT_EQ(expected_precedence_, expected_stream_->precedence()); |
| } |
| |
| void SetExpectedStream(QuicSpdyStream* stream) { expected_stream_ = stream; } |
| void SetExpectedPriority(const spdy::SpdyStreamPrecedence& precedence) { |
| expected_precedence_ = precedence; |
| } |
| |
| private: |
| QuicSpdyStream* expected_stream_; |
| spdy::SpdyStreamPrecedence expected_precedence_; |
| }; |
| |
| class QuicSpdyStreamTest : public QuicTestWithParam<ParsedQuicVersion> { |
| protected: |
| QuicSpdyStreamTest() { |
| headers_[":host"] = "www.google.com"; |
| headers_[":path"] = "/index.hml"; |
| headers_[":scheme"] = "https"; |
| headers_["cookie"] = |
| "__utma=208381060.1228362404.1372200928.1372200928.1372200928.1; " |
| "__utmc=160408618; " |
| "GX=DQAAAOEAAACWJYdewdE9rIrW6qw3PtVi2-d729qaa-74KqOsM1NVQblK4VhX" |
| "hoALMsy6HOdDad2Sz0flUByv7etmo3mLMidGrBoljqO9hSVA40SLqpG_iuKKSHX" |
| "RW3Np4bq0F0SDGDNsW0DSmTS9ufMRrlpARJDS7qAI6M3bghqJp4eABKZiRqebHT" |
| "pMU-RXvTI5D5oCF1vYxYofH_l1Kviuiy3oQ1kS1enqWgbhJ2t61_SNdv-1XJIS0" |
| "O3YeHLmVCs62O6zp89QwakfAWK9d3IDQvVSJzCQsvxvNIvaZFa567MawWlXg0Rh" |
| "1zFMi5vzcns38-8_Sns; " |
| "GA=v*2%2Fmem*57968640*47239936%2Fmem*57968640*47114716%2Fno-nm-" |
| "yj*15%2Fno-cc-yj*5%2Fpc-ch*133685%2Fpc-s-cr*133947%2Fpc-s-t*1339" |
| "47%2Fno-nm-yj*4%2Fno-cc-yj*1%2Fceft-as*1%2Fceft-nqas*0%2Fad-ra-c" |
| "v_p%2Fad-nr-cv_p-f*1%2Fad-v-cv_p*859%2Fad-ns-cv_p-f*1%2Ffn-v-ad%" |
| "2Fpc-t*250%2Fpc-cm*461%2Fpc-s-cr*722%2Fpc-s-t*722%2Fau_p*4" |
| "SICAID=AJKiYcHdKgxum7KMXG0ei2t1-W4OD1uW-ecNsCqC0wDuAXiDGIcT_HA2o1" |
| "3Rs1UKCuBAF9g8rWNOFbxt8PSNSHFuIhOo2t6bJAVpCsMU5Laa6lewuTMYI8MzdQP" |
| "ARHKyW-koxuhMZHUnGBJAM1gJODe0cATO_KGoX4pbbFxxJ5IicRxOrWK_5rU3cdy6" |
| "edlR9FsEdH6iujMcHkbE5l18ehJDwTWmBKBzVD87naobhMMrF6VvnDGxQVGp9Ir_b" |
| "Rgj3RWUoPumQVCxtSOBdX0GlJOEcDTNCzQIm9BSfetog_eP_TfYubKudt5eMsXmN6" |
| "QnyXHeGeK2UINUzJ-D30AFcpqYgH9_1BvYSpi7fc7_ydBU8TaD8ZRxvtnzXqj0RfG" |
| "tuHghmv3aD-uzSYJ75XDdzKdizZ86IG6Fbn1XFhYZM-fbHhm3mVEXnyRW4ZuNOLFk" |
| "Fas6LMcVC6Q8QLlHYbXBpdNFuGbuZGUnav5C-2I_-46lL0NGg3GewxGKGHvHEfoyn" |
| "EFFlEYHsBQ98rXImL8ySDycdLEFvBPdtctPmWCfTxwmoSMLHU2SCVDhbqMWU5b0yr" |
| "JBCScs_ejbKaqBDoB7ZGxTvqlrB__2ZmnHHjCr8RgMRtKNtIeuZAo "; |
| } |
| |
| ~QuicSpdyStreamTest() override = default; |
| |
| // Return QPACK-encoded header block without using the dynamic table. |
| std::string EncodeQpackHeaders( |
| std::vector<std::pair<absl::string_view, absl::string_view>> headers) { |
| Http2HeaderBlock header_block; |
| for (const auto& header_field : headers) { |
| header_block.AppendValueOrAddHeader(header_field.first, |
| header_field.second); |
| } |
| |
| return EncodeQpackHeaders(header_block); |
| } |
| |
| // Return QPACK-encoded header block without using the dynamic table. |
| std::string EncodeQpackHeaders(const Http2HeaderBlock& header) { |
| NoopQpackStreamSenderDelegate encoder_stream_sender_delegate; |
| auto qpack_encoder = std::make_unique<QpackEncoder>(session_.get()); |
| qpack_encoder->set_qpack_stream_sender_delegate( |
| &encoder_stream_sender_delegate); |
| // QpackEncoder does not use the dynamic table by default, |
| // therefore the value of |stream_id| does not matter. |
| return qpack_encoder->EncodeHeaderList(/* stream_id = */ 0, header, |
| nullptr); |
| } |
| |
| void Initialize(bool stream_should_process_data) { |
| InitializeWithPerspective(stream_should_process_data, |
| Perspective::IS_SERVER); |
| } |
| |
| void InitializeWithPerspective(bool stream_should_process_data, |
| Perspective perspective) { |
| connection_ = new StrictMock<MockQuicConnection>( |
| &helper_, &alarm_factory_, perspective, SupportedVersions(GetParam())); |
| session_ = std::make_unique<StrictMock<TestSession>>(connection_); |
| EXPECT_CALL(*session_, OnCongestionWindowChange(_)).Times(AnyNumber()); |
| session_->Initialize(); |
| if (connection_->version().SupportsAntiAmplificationLimit()) { |
| QuicConnectionPeer::SetAddressValidated(connection_); |
| } |
| connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1)); |
| ON_CALL(*session_, WritevData(_, _, _, _, _, _)) |
| .WillByDefault( |
| Invoke(session_.get(), &MockQuicSpdySession::ConsumeData)); |
| |
| stream_ = |
| new StrictMock<TestStream>(GetNthClientInitiatedBidirectionalId(0), |
| session_.get(), stream_should_process_data); |
| session_->ActivateStream(absl::WrapUnique(stream_)); |
| stream2_ = |
| new StrictMock<TestStream>(GetNthClientInitiatedBidirectionalId(1), |
| session_.get(), stream_should_process_data); |
| session_->ActivateStream(absl::WrapUnique(stream2_)); |
| QuicConfigPeer::SetReceivedInitialSessionFlowControlWindow( |
| session_->config(), kMinimumFlowControlSendWindow); |
| QuicConfigPeer::SetReceivedInitialMaxStreamDataBytesUnidirectional( |
| session_->config(), kMinimumFlowControlSendWindow); |
| QuicConfigPeer::SetReceivedInitialMaxStreamDataBytesIncomingBidirectional( |
| session_->config(), kMinimumFlowControlSendWindow); |
| QuicConfigPeer::SetReceivedInitialMaxStreamDataBytesOutgoingBidirectional( |
| session_->config(), kMinimumFlowControlSendWindow); |
| QuicConfigPeer::SetReceivedMaxUnidirectionalStreams(session_->config(), 10); |
| session_->OnConfigNegotiated(); |
| if (UsesHttp3()) { |
| // The control stream will write the stream type, a greased frame, and |
| // SETTINGS frame. |
| int num_control_stream_writes = 3; |
| auto send_control_stream = |
| QuicSpdySessionPeer::GetSendControlStream(session_.get()); |
| EXPECT_CALL(*session_, |
| WritevData(send_control_stream->id(), _, _, _, _, _)) |
| .Times(num_control_stream_writes); |
| } |
| TestCryptoStream* crypto_stream = session_->GetMutableCryptoStream(); |
| EXPECT_CALL(*crypto_stream, HasPendingRetransmission()).Times(AnyNumber()); |
| |
| if (connection_->version().UsesTls() && |
| session_->perspective() == Perspective::IS_SERVER) { |
| // HANDSHAKE_DONE frame. |
| EXPECT_CALL(*connection_, SendControlFrame(_)) |
| .WillOnce(Invoke(&ClearControlFrame)); |
| } |
| CryptoHandshakeMessage message; |
| session_->GetMutableCryptoStream()->OnHandshakeMessage(message); |
| } |
| |
| QuicHeaderList ProcessHeaders(bool fin, const Http2HeaderBlock& headers) { |
| QuicHeaderList h = AsHeaderList(headers); |
| stream_->OnStreamHeaderList(fin, h.uncompressed_header_bytes(), h); |
| return h; |
| } |
| |
| QuicStreamId GetNthClientInitiatedBidirectionalId(int n) { |
| return GetNthClientInitiatedBidirectionalStreamId( |
| connection_->transport_version(), n); |
| } |
| |
| bool UsesHttp3() const { |
| return VersionUsesHttp3(GetParam().transport_version); |
| } |
| |
| // Construct HEADERS frame with QPACK-encoded |headers| without using the |
| // dynamic table. |
| std::string HeadersFrame( |
| std::vector<std::pair<absl::string_view, absl::string_view>> headers) { |
| return HeadersFrame(EncodeQpackHeaders(headers)); |
| } |
| |
| // Construct HEADERS frame with QPACK-encoded |headers| without using the |
| // dynamic table. |
| std::string HeadersFrame(const Http2HeaderBlock& headers) { |
| return HeadersFrame(EncodeQpackHeaders(headers)); |
| } |
| |
| // Construct HEADERS frame with given payload. |
| std::string HeadersFrame(absl::string_view payload) { |
| std::string headers_frame_header = |
| HttpEncoder::SerializeHeadersFrameHeader(payload.length()); |
| return absl::StrCat(headers_frame_header, payload); |
| } |
| |
| std::string DataFrame(absl::string_view payload) { |
| quiche::QuicheBuffer header = HttpEncoder::SerializeDataFrameHeader( |
| payload.length(), quiche::SimpleBufferAllocator::Get()); |
| return absl::StrCat(header.AsStringView(), payload); |
| } |
| |
| std::string UnknownFrame(uint64_t frame_type, absl::string_view payload) { |
| std::string frame; |
| const size_t length = QuicDataWriter::GetVarInt62Len(frame_type) + |
| QuicDataWriter::GetVarInt62Len(payload.size()) + |
| payload.size(); |
| frame.resize(length); |
| |
| QuicDataWriter writer(length, const_cast<char*>(frame.data())); |
| writer.WriteVarInt62(frame_type); |
| writer.WriteStringPieceVarInt62(payload); |
| // Even though integers can be encoded with different lengths, |
| // QuicDataWriter is expected to produce an encoding in Write*() of length |
| // promised in GetVarInt62Len(). |
| QUICHE_DCHECK_EQ(length, writer.length()); |
| |
| return frame; |
| } |
| |
| MockQuicConnectionHelper helper_; |
| MockAlarmFactory alarm_factory_; |
| MockQuicConnection* connection_; |
| std::unique_ptr<TestSession> session_; |
| |
| // Owned by the |session_|. |
| TestStream* stream_; |
| TestStream* stream2_; |
| |
| Http2HeaderBlock headers_; |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(Tests, QuicSpdyStreamTest, |
| ::testing::ValuesIn(AllSupportedVersions()), |
| ::testing::PrintToStringParamName()); |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeaderList) { |
| Initialize(kShouldProcessData); |
| |
| stream_->OnStreamHeadersPriority( |
| spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| ProcessHeaders(false, headers_); |
| EXPECT_EQ("", stream_->data()); |
| EXPECT_FALSE(stream_->header_list().empty()); |
| EXPECT_FALSE(stream_->IsDoneReading()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessTooLargeHeaderList) { |
| Initialize(kShouldProcessData); |
| |
| if (!UsesHttp3()) { |
| QuicHeaderList headers; |
| stream_->OnStreamHeadersPriority( |
| spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| |
| EXPECT_CALL( |
| *session_, |
| MaybeSendRstStreamFrame( |
| stream_->id(), |
| QuicResetStreamError::FromInternal(QUIC_HEADERS_TOO_LARGE), 0)); |
| stream_->OnStreamHeaderList(false, 1 << 20, headers); |
| |
| EXPECT_THAT(stream_->stream_error(), IsStreamError(QUIC_HEADERS_TOO_LARGE)); |
| |
| return; |
| } |
| |
| // Header list size includes 32 bytes for overhead per header field. |
| session_->set_max_inbound_header_list_size(40); |
| std::string headers = |
| HeadersFrame({std::make_pair("foo", "too long headers")}); |
| |
| QuicStreamFrame frame(stream_->id(), false, 0, headers); |
| |
| EXPECT_CALL(*session_, MaybeSendStopSendingFrame( |
| stream_->id(), QuicResetStreamError::FromInternal( |
| QUIC_HEADERS_TOO_LARGE))); |
| EXPECT_CALL( |
| *session_, |
| MaybeSendRstStreamFrame( |
| stream_->id(), |
| QuicResetStreamError::FromInternal(QUIC_HEADERS_TOO_LARGE), 0)); |
| |
| auto qpack_decoder_stream = |
| QuicSpdySessionPeer::GetQpackDecoderSendStream(session_.get()); |
| // Stream type and stream cancellation. |
| EXPECT_CALL(*session_, |
| WritevData(qpack_decoder_stream->id(), _, _, NO_FIN, _, _)) |
| .Times(2); |
| |
| stream_->OnStreamFrame(frame); |
| EXPECT_THAT(stream_->stream_error(), IsStreamError(QUIC_HEADERS_TOO_LARGE)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, QpackProcessLargeHeaderListDiscountOverhead) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| // Setting this flag to false causes no per-entry overhead to be included |
| // in the header size. |
| SetQuicFlag(quic_header_size_limit_includes_overhead, false); |
| Initialize(kShouldProcessData); |
| session_->set_max_inbound_header_list_size(40); |
| std::string headers = |
| HeadersFrame({std::make_pair("foo", "too long headers")}); |
| |
| QuicStreamFrame frame(stream_->id(), false, 0, headers); |
| stream_->OnStreamFrame(frame); |
| EXPECT_THAT(stream_->stream_error(), IsStreamError(QUIC_STREAM_NO_ERROR)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeaderListWithFin) { |
| Initialize(kShouldProcessData); |
| |
| size_t total_bytes = 0; |
| QuicHeaderList headers; |
| for (auto p : headers_) { |
| headers.OnHeader(p.first, p.second); |
| total_bytes += p.first.size() + p.second.size(); |
| } |
| stream_->OnStreamHeadersPriority( |
| spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| stream_->OnStreamHeaderList(true, total_bytes, headers); |
| EXPECT_EQ("", stream_->data()); |
| EXPECT_FALSE(stream_->header_list().empty()); |
| EXPECT_FALSE(stream_->IsDoneReading()); |
| EXPECT_TRUE(stream_->HasReceivedFinalOffset()); |
| } |
| |
| // A valid status code should be 3-digit integer. The first digit should be in |
| // the range of [1, 5]. All the others are invalid. |
| TEST_P(QuicSpdyStreamTest, ParseHeaderStatusCode) { |
| Initialize(kShouldProcessData); |
| int status_code = 0; |
| |
| // Valid status codes. |
| headers_[":status"] = "404"; |
| EXPECT_TRUE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| EXPECT_EQ(404, status_code); |
| |
| headers_[":status"] = "100"; |
| EXPECT_TRUE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| EXPECT_EQ(100, status_code); |
| |
| headers_[":status"] = "599"; |
| EXPECT_TRUE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| EXPECT_EQ(599, status_code); |
| |
| // Invalid status codes. |
| headers_[":status"] = "010"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "600"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "200 ok"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "2000"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "+200"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "+20"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "-10"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "-100"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| // Leading or trailing spaces are also invalid. |
| headers_[":status"] = " 200"; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = "200 "; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = " 200 "; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| |
| headers_[":status"] = " "; |
| EXPECT_FALSE(stream_->ParseHeaderStatusCode(headers_, &status_code)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, MarkHeadersConsumed) { |
| Initialize(kShouldProcessData); |
| |
| std::string body = "this is the body"; |
| QuicHeaderList headers = ProcessHeaders(false, headers_); |
| EXPECT_EQ(headers, stream_->header_list()); |
| |
| stream_->ConsumeHeaderList(); |
| EXPECT_EQ(QuicHeaderList(), stream_->header_list()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessWrongFramesOnSpdyStream) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| testing::InSequence s; |
| connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1)); |
| GoAwayFrame goaway; |
| goaway.id = 0x1; |
| std::string goaway_frame = HttpEncoder::SerializeGoAwayFrame(goaway); |
| |
| EXPECT_EQ("", stream_->data()); |
| QuicHeaderList headers = ProcessHeaders(false, headers_); |
| EXPECT_EQ(headers, stream_->header_list()); |
| stream_->ConsumeHeaderList(); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| goaway_frame); |
| |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_HTTP_FRAME_UNEXPECTED_ON_SPDY_STREAM, _, _)) |
| .WillOnce( |
| (Invoke([this](QuicErrorCode error, const std::string& error_details, |
| ConnectionCloseBehavior connection_close_behavior) { |
| connection_->ReallyCloseConnection(error, error_details, |
| connection_close_behavior); |
| }))); |
| EXPECT_CALL(*connection_, SendConnectionClosePacket(_, _, _)); |
| EXPECT_CALL(*session_, OnConnectionClosed(_, _)) |
| .WillOnce(Invoke([this](const QuicConnectionCloseFrame& frame, |
| ConnectionCloseSource source) { |
| session_->ReallyOnConnectionClosed(frame, source); |
| })); |
| EXPECT_CALL(*session_, MaybeSendRstStreamFrame(_, _, _)).Times(2); |
| |
| stream_->OnStreamFrame(frame); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, Http3FrameError) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // PUSH_PROMISE frame with empty payload is considered invalid. |
| std::string invalid_http3_frame = absl::HexStringToBytes("0500"); |
| QuicStreamFrame stream_frame(stream_->id(), /* fin = */ false, |
| /* offset = */ 0, invalid_http3_frame); |
| |
| EXPECT_CALL(*connection_, CloseConnection(QUIC_HTTP_FRAME_ERROR, _, _)); |
| stream_->OnStreamFrame(stream_frame); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, UnexpectedHttp3Frame) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // SETTINGS frame with empty payload. |
| std::string settings = absl::HexStringToBytes("0400"); |
| QuicStreamFrame stream_frame(stream_->id(), /* fin = */ false, |
| /* offset = */ 0, settings); |
| |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_HTTP_FRAME_UNEXPECTED_ON_SPDY_STREAM, _, _)); |
| stream_->OnStreamFrame(stream_frame); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndBody) { |
| Initialize(kShouldProcessData); |
| |
| std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| EXPECT_EQ("", stream_->data()); |
| QuicHeaderList headers = ProcessHeaders(false, headers_); |
| EXPECT_EQ(headers, stream_->header_list()); |
| stream_->ConsumeHeaderList(); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame); |
| EXPECT_EQ(QuicHeaderList(), stream_->header_list()); |
| EXPECT_EQ(body, stream_->data()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndBodyFragments) { |
| std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| for (size_t fragment_size = 1; fragment_size < data.size(); ++fragment_size) { |
| Initialize(kShouldProcessData); |
| QuicHeaderList headers = ProcessHeaders(false, headers_); |
| ASSERT_EQ(headers, stream_->header_list()); |
| stream_->ConsumeHeaderList(); |
| for (size_t offset = 0; offset < data.size(); offset += fragment_size) { |
| size_t remaining_data = data.size() - offset; |
| absl::string_view fragment(data.data() + offset, |
| std::min(fragment_size, remaining_data)); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, |
| offset, absl::string_view(fragment)); |
| stream_->OnStreamFrame(frame); |
| } |
| ASSERT_EQ(body, stream_->data()) << "fragment_size: " << fragment_size; |
| } |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndBodyFragmentsSplit) { |
| std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| for (size_t split_point = 1; split_point < data.size() - 1; ++split_point) { |
| Initialize(kShouldProcessData); |
| QuicHeaderList headers = ProcessHeaders(false, headers_); |
| ASSERT_EQ(headers, stream_->header_list()); |
| stream_->ConsumeHeaderList(); |
| |
| absl::string_view fragment1(data.data(), split_point); |
| QuicStreamFrame frame1(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(fragment1)); |
| stream_->OnStreamFrame(frame1); |
| |
| absl::string_view fragment2(data.data() + split_point, |
| data.size() - split_point); |
| QuicStreamFrame frame2(GetNthClientInitiatedBidirectionalId(0), false, |
| split_point, absl::string_view(fragment2)); |
| stream_->OnStreamFrame(frame2); |
| |
| ASSERT_EQ(body, stream_->data()) << "split_point: " << split_point; |
| } |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndBodyReadv) { |
| Initialize(!kShouldProcessData); |
| |
| std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| ProcessHeaders(false, headers_); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame); |
| stream_->ConsumeHeaderList(); |
| |
| char buffer[2048]; |
| ASSERT_LT(data.length(), ABSL_ARRAYSIZE(buffer)); |
| struct iovec vec; |
| vec.iov_base = buffer; |
| vec.iov_len = ABSL_ARRAYSIZE(buffer); |
| |
| size_t bytes_read = stream_->Readv(&vec, 1); |
| QuicStreamPeer::CloseReadSide(stream_); |
| EXPECT_EQ(body.length(), bytes_read); |
| EXPECT_EQ(body, std::string(buffer, bytes_read)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndLargeBodySmallReadv) { |
| Initialize(kShouldProcessData); |
| std::string body(12 * 1024, 'a'); |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| ProcessHeaders(false, headers_); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame); |
| stream_->ConsumeHeaderList(); |
| char buffer[2048]; |
| char buffer2[2048]; |
| struct iovec vec[2]; |
| vec[0].iov_base = buffer; |
| vec[0].iov_len = ABSL_ARRAYSIZE(buffer); |
| vec[1].iov_base = buffer2; |
| vec[1].iov_len = ABSL_ARRAYSIZE(buffer2); |
| size_t bytes_read = stream_->Readv(vec, 2); |
| EXPECT_EQ(2048u * 2, bytes_read); |
| EXPECT_EQ(body.substr(0, 2048), std::string(buffer, 2048)); |
| EXPECT_EQ(body.substr(2048, 2048), std::string(buffer2, 2048)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndBodyMarkConsumed) { |
| Initialize(!kShouldProcessData); |
| |
| std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| ProcessHeaders(false, headers_); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame); |
| stream_->ConsumeHeaderList(); |
| |
| struct iovec vec; |
| |
| EXPECT_EQ(1, stream_->GetReadableRegions(&vec, 1)); |
| EXPECT_EQ(body.length(), vec.iov_len); |
| EXPECT_EQ(body, std::string(static_cast<char*>(vec.iov_base), vec.iov_len)); |
| |
| stream_->MarkConsumed(body.length()); |
| EXPECT_EQ(data.length(), QuicStreamPeer::bytes_consumed(stream_)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndConsumeMultipleBody) { |
| Initialize(!kShouldProcessData); |
| std::string body1 = "this is body 1"; |
| std::string data1 = UsesHttp3() ? DataFrame(body1) : body1; |
| std::string body2 = "body 2"; |
| std::string data2 = UsesHttp3() ? DataFrame(body2) : body2; |
| |
| ProcessHeaders(false, headers_); |
| QuicStreamFrame frame1(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data1)); |
| QuicStreamFrame frame2(GetNthClientInitiatedBidirectionalId(0), false, |
| data1.length(), absl::string_view(data2)); |
| stream_->OnStreamFrame(frame1); |
| stream_->OnStreamFrame(frame2); |
| stream_->ConsumeHeaderList(); |
| |
| stream_->MarkConsumed(body1.length() + body2.length()); |
| EXPECT_EQ(data1.length() + data2.length(), |
| QuicStreamPeer::bytes_consumed(stream_)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersAndBodyIncrementalReadv) { |
| Initialize(!kShouldProcessData); |
| |
| std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| ProcessHeaders(false, headers_); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame); |
| stream_->ConsumeHeaderList(); |
| |
| char buffer[1]; |
| struct iovec vec; |
| vec.iov_base = buffer; |
| vec.iov_len = ABSL_ARRAYSIZE(buffer); |
| |
| for (size_t i = 0; i < body.length(); ++i) { |
| size_t bytes_read = stream_->Readv(&vec, 1); |
| ASSERT_EQ(1u, bytes_read); |
| EXPECT_EQ(body.data()[i], buffer[0]); |
| } |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessHeadersUsingReadvWithMultipleIovecs) { |
| Initialize(!kShouldProcessData); |
| |
| std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| ProcessHeaders(false, headers_); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame); |
| stream_->ConsumeHeaderList(); |
| |
| char buffer1[1]; |
| char buffer2[1]; |
| struct iovec vec[2]; |
| vec[0].iov_base = buffer1; |
| vec[0].iov_len = ABSL_ARRAYSIZE(buffer1); |
| vec[1].iov_base = buffer2; |
| vec[1].iov_len = ABSL_ARRAYSIZE(buffer2); |
| |
| for (size_t i = 0; i < body.length(); i += 2) { |
| size_t bytes_read = stream_->Readv(vec, 2); |
| ASSERT_EQ(2u, bytes_read) << i; |
| ASSERT_EQ(body.data()[i], buffer1[0]) << i; |
| ASSERT_EQ(body.data()[i + 1], buffer2[0]) << i; |
| } |
| } |
| |
| // Tests that we send a BLOCKED frame to the peer when we attempt to write, but |
| // are flow control blocked. |
| TEST_P(QuicSpdyStreamTest, StreamFlowControlBlocked) { |
| Initialize(kShouldProcessData); |
| testing::InSequence seq; |
| |
| // Set a small flow control limit. |
| const uint64_t kWindow = 36; |
| QuicStreamPeer::SetSendWindowOffset(stream_, kWindow); |
| EXPECT_EQ(kWindow, QuicStreamPeer::SendWindowOffset(stream_)); |
| |
| // Try to send more data than the flow control limit allows. |
| const uint64_t kOverflow = 15; |
| std::string body(kWindow + kOverflow, 'a'); |
| |
| const uint64_t kHeaderLength = UsesHttp3() ? 2 : 0; |
| if (UsesHttp3()) { |
| EXPECT_CALL(*session_, WritevData(_, kHeaderLength, _, NO_FIN, _, _)); |
| } |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)) |
| .WillOnce(Return(QuicConsumedData(kWindow - kHeaderLength, true))); |
| EXPECT_CALL(*session_, SendBlocked(_, _)); |
| EXPECT_CALL(*connection_, SendControlFrame(_)); |
| stream_->WriteOrBufferBody(body, false); |
| |
| // Should have sent as much as possible, resulting in no send window left. |
| EXPECT_EQ(0u, QuicStreamPeer::SendWindowSize(stream_)); |
| |
| // And we should have queued the overflowed data. |
| EXPECT_EQ(kOverflow + kHeaderLength, stream_->BufferedDataBytes()); |
| } |
| |
| // The flow control receive window decreases whenever we add new bytes to the |
| // sequencer, whether they are consumed immediately or buffered. However we only |
| // send WINDOW_UPDATE frames based on increasing number of bytes consumed. |
| TEST_P(QuicSpdyStreamTest, StreamFlowControlNoWindowUpdateIfNotConsumed) { |
| // Don't process data - it will be buffered instead. |
| Initialize(!kShouldProcessData); |
| |
| // Expect no WINDOW_UPDATE frames to be sent. |
| EXPECT_CALL(*session_, SendWindowUpdate(_, _)).Times(0); |
| |
| // Set a small flow control receive window. |
| const uint64_t kWindow = 36; |
| QuicStreamPeer::SetReceiveWindowOffset(stream_, kWindow); |
| QuicStreamPeer::SetMaxReceiveWindow(stream_, kWindow); |
| |
| // Stream receives enough data to fill a fraction of the receive window. |
| std::string body(kWindow / 3, 'a'); |
| QuicByteCount header_length = 0; |
| std::string data; |
| |
| if (UsesHttp3()) { |
| quiche::QuicheBuffer header = HttpEncoder::SerializeDataFrameHeader( |
| body.length(), quiche::SimpleBufferAllocator::Get()); |
| data = absl::StrCat(header.AsStringView(), body); |
| header_length = header.size(); |
| } else { |
| data = body; |
| } |
| |
| ProcessHeaders(false, headers_); |
| |
| QuicStreamFrame frame1(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame1); |
| EXPECT_EQ(kWindow - (kWindow / 3) - header_length, |
| QuicStreamPeer::ReceiveWindowSize(stream_)); |
| |
| // Now receive another frame which results in the receive window being over |
| // half full. This should all be buffered, decreasing the receive window but |
| // not sending WINDOW_UPDATE. |
| QuicStreamFrame frame2(GetNthClientInitiatedBidirectionalId(0), false, |
| kWindow / 3 + header_length, absl::string_view(data)); |
| stream_->OnStreamFrame(frame2); |
| EXPECT_EQ(kWindow - (2 * kWindow / 3) - 2 * header_length, |
| QuicStreamPeer::ReceiveWindowSize(stream_)); |
| } |
| |
| // Tests that on receipt of data, the stream updates its receive window offset |
| // appropriately, and sends WINDOW_UPDATE frames when its receive window drops |
| // too low. |
| TEST_P(QuicSpdyStreamTest, StreamFlowControlWindowUpdate) { |
| Initialize(kShouldProcessData); |
| |
| // Set a small flow control limit. |
| const uint64_t kWindow = 36; |
| QuicStreamPeer::SetReceiveWindowOffset(stream_, kWindow); |
| QuicStreamPeer::SetMaxReceiveWindow(stream_, kWindow); |
| |
| // Stream receives enough data to fill a fraction of the receive window. |
| std::string body(kWindow / 3, 'a'); |
| QuicByteCount header_length = 0; |
| std::string data; |
| |
| if (UsesHttp3()) { |
| quiche::QuicheBuffer header = HttpEncoder::SerializeDataFrameHeader( |
| body.length(), quiche::SimpleBufferAllocator::Get()); |
| data = absl::StrCat(header.AsStringView(), body); |
| header_length = header.size(); |
| } else { |
| data = body; |
| } |
| |
| ProcessHeaders(false, headers_); |
| stream_->ConsumeHeaderList(); |
| |
| QuicStreamFrame frame1(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame1); |
| EXPECT_EQ(kWindow - (kWindow / 3) - header_length, |
| QuicStreamPeer::ReceiveWindowSize(stream_)); |
| |
| // Now receive another frame which results in the receive window being over |
| // half full. This will trigger the stream to increase its receive window |
| // offset and send a WINDOW_UPDATE. The result will be again an available |
| // window of kWindow bytes. |
| QuicStreamFrame frame2(GetNthClientInitiatedBidirectionalId(0), false, |
| kWindow / 3 + header_length, absl::string_view(data)); |
| EXPECT_CALL(*session_, SendWindowUpdate(_, _)); |
| EXPECT_CALL(*connection_, SendControlFrame(_)); |
| stream_->OnStreamFrame(frame2); |
| EXPECT_EQ(kWindow, QuicStreamPeer::ReceiveWindowSize(stream_)); |
| } |
| |
| // Tests that on receipt of data, the connection updates its receive window |
| // offset appropriately, and sends WINDOW_UPDATE frames when its receive window |
| // drops too low. |
| TEST_P(QuicSpdyStreamTest, ConnectionFlowControlWindowUpdate) { |
| Initialize(kShouldProcessData); |
| |
| // Set a small flow control limit for streams and connection. |
| const uint64_t kWindow = 36; |
| QuicStreamPeer::SetReceiveWindowOffset(stream_, kWindow); |
| QuicStreamPeer::SetMaxReceiveWindow(stream_, kWindow); |
| QuicStreamPeer::SetReceiveWindowOffset(stream2_, kWindow); |
| QuicStreamPeer::SetMaxReceiveWindow(stream2_, kWindow); |
| QuicFlowControllerPeer::SetReceiveWindowOffset(session_->flow_controller(), |
| kWindow); |
| QuicFlowControllerPeer::SetMaxReceiveWindow(session_->flow_controller(), |
| kWindow); |
| |
| // Supply headers to both streams so that they are happy to receive data. |
| auto headers = AsHeaderList(headers_); |
| stream_->OnStreamHeaderList(false, headers.uncompressed_header_bytes(), |
| headers); |
| stream_->ConsumeHeaderList(); |
| stream2_->OnStreamHeaderList(false, headers.uncompressed_header_bytes(), |
| headers); |
| stream2_->ConsumeHeaderList(); |
| |
| // Each stream gets a quarter window of data. This should not trigger a |
| // WINDOW_UPDATE for either stream, nor for the connection. |
| QuicByteCount header_length = 0; |
| std::string body; |
| std::string data; |
| std::string data2; |
| std::string body2(1, 'a'); |
| |
| if (UsesHttp3()) { |
| body = std::string(kWindow / 4 - 2, 'a'); |
| quiche::QuicheBuffer header = HttpEncoder::SerializeDataFrameHeader( |
| body.length(), quiche::SimpleBufferAllocator::Get()); |
| data = absl::StrCat(header.AsStringView(), body); |
| header_length = header.size(); |
| quiche::QuicheBuffer header2 = HttpEncoder::SerializeDataFrameHeader( |
| body.length(), quiche::SimpleBufferAllocator::Get()); |
| data2 = absl::StrCat(header2.AsStringView(), body2); |
| } else { |
| body = std::string(kWindow / 4, 'a'); |
| data = body; |
| data2 = body2; |
| } |
| |
| QuicStreamFrame frame1(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| stream_->OnStreamFrame(frame1); |
| QuicStreamFrame frame2(GetNthClientInitiatedBidirectionalId(1), false, 0, |
| absl::string_view(data)); |
| stream2_->OnStreamFrame(frame2); |
| |
| // Now receive a further single byte on one stream - again this does not |
| // trigger a stream WINDOW_UPDATE, but now the connection flow control window |
| // is over half full and thus a connection WINDOW_UPDATE is sent. |
| EXPECT_CALL(*session_, SendWindowUpdate(_, _)); |
| EXPECT_CALL(*connection_, SendControlFrame(_)); |
| QuicStreamFrame frame3(GetNthClientInitiatedBidirectionalId(0), false, |
| body.length() + header_length, |
| absl::string_view(data2)); |
| stream_->OnStreamFrame(frame3); |
| } |
| |
| // Tests that on if the peer sends too much data (i.e. violates the flow control |
| // protocol), then we terminate the connection. |
| TEST_P(QuicSpdyStreamTest, StreamFlowControlViolation) { |
| // Stream should not process data, so that data gets buffered in the |
| // sequencer, triggering flow control limits. |
| Initialize(!kShouldProcessData); |
| |
| // Set a small flow control limit. |
| const uint64_t kWindow = 50; |
| QuicStreamPeer::SetReceiveWindowOffset(stream_, kWindow); |
| |
| ProcessHeaders(false, headers_); |
| |
| // Receive data to overflow the window, violating flow control. |
| std::string body(kWindow + 1, 'a'); |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA, _, _)); |
| stream_->OnStreamFrame(frame); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, TestHandlingQuicRstStreamNoError) { |
| Initialize(kShouldProcessData); |
| ProcessHeaders(false, headers_); |
| |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AnyNumber()); |
| |
| stream_->OnStreamReset(QuicRstStreamFrame( |
| kInvalidControlFrameId, stream_->id(), QUIC_STREAM_NO_ERROR, 0)); |
| |
| if (UsesHttp3()) { |
| // RESET_STREAM should close the read side but not the write side. |
| EXPECT_TRUE(stream_->read_side_closed()); |
| EXPECT_FALSE(stream_->write_side_closed()); |
| } else { |
| EXPECT_TRUE(stream_->write_side_closed()); |
| EXPECT_FALSE(stream_->reading_stopped()); |
| } |
| } |
| |
| // Tests that on if the peer sends too much data (i.e. violates the flow control |
| // protocol), at the connection level (rather than the stream level) then we |
| // terminate the connection. |
| TEST_P(QuicSpdyStreamTest, ConnectionFlowControlViolation) { |
| // Stream should not process data, so that data gets buffered in the |
| // sequencer, triggering flow control limits. |
| Initialize(!kShouldProcessData); |
| |
| // Set a small flow control window on streams, and connection. |
| const uint64_t kStreamWindow = 50; |
| const uint64_t kConnectionWindow = 10; |
| QuicStreamPeer::SetReceiveWindowOffset(stream_, kStreamWindow); |
| QuicFlowControllerPeer::SetReceiveWindowOffset(session_->flow_controller(), |
| kConnectionWindow); |
| |
| ProcessHeaders(false, headers_); |
| |
| // Send enough data to overflow the connection level flow control window. |
| std::string body(kConnectionWindow + 1, 'a'); |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| EXPECT_LT(data.size(), kStreamWindow); |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), false, 0, |
| absl::string_view(data)); |
| |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_FLOW_CONTROL_RECEIVED_TOO_MUCH_DATA, _, _)); |
| stream_->OnStreamFrame(frame); |
| } |
| |
| // An attempt to write a FIN with no data should not be flow control blocked, |
| // even if the send window is 0. |
| TEST_P(QuicSpdyStreamTest, StreamFlowControlFinNotBlocked) { |
| Initialize(kShouldProcessData); |
| |
| // Set a flow control limit of zero. |
| QuicStreamPeer::SetReceiveWindowOffset(stream_, 0); |
| |
| // Send a frame with a FIN but no data. This should not be blocked. |
| std::string body = ""; |
| bool fin = true; |
| |
| EXPECT_CALL(*session_, |
| SendBlocked(GetNthClientInitiatedBidirectionalId(0), _)) |
| .Times(0); |
| EXPECT_CALL(*session_, WritevData(_, 0, _, FIN, _, _)); |
| |
| stream_->WriteOrBufferBody(body, fin); |
| } |
| |
| // Test that receiving trailing headers from the peer via OnStreamHeaderList() |
| // works, and can be read from the stream and consumed. |
| TEST_P(QuicSpdyStreamTest, ReceivingTrailersViaHeaderList) { |
| Initialize(kShouldProcessData); |
| |
| // Receive initial headers. |
| size_t total_bytes = 0; |
| QuicHeaderList headers; |
| for (const auto& p : headers_) { |
| headers.OnHeader(p.first, p.second); |
| total_bytes += p.first.size() + p.second.size(); |
| } |
| |
| stream_->OnStreamHeadersPriority( |
| spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| stream_->OnStreamHeaderList(/*fin=*/false, total_bytes, headers); |
| stream_->ConsumeHeaderList(); |
| |
| // Receive trailing headers. |
| Http2HeaderBlock trailers_block; |
| trailers_block["key1"] = "value1"; |
| trailers_block["key2"] = "value2"; |
| trailers_block["key3"] = "value3"; |
| Http2HeaderBlock trailers_block_with_final_offset = trailers_block.Clone(); |
| if (!UsesHttp3()) { |
| // :final-offset pseudo-header is only added if trailers are sent |
| // on the headers stream. |
| trailers_block_with_final_offset[kFinalOffsetHeaderKey] = "0"; |
| } |
| total_bytes = 0; |
| QuicHeaderList trailers; |
| for (const auto& p : trailers_block_with_final_offset) { |
| trailers.OnHeader(p.first, p.second); |
| total_bytes += p.first.size() + p.second.size(); |
| } |
| stream_->OnStreamHeaderList(/*fin=*/true, total_bytes, trailers); |
| |
| // The trailers should be decompressed, and readable from the stream. |
| EXPECT_TRUE(stream_->trailers_decompressed()); |
| EXPECT_EQ(trailers_block, stream_->received_trailers()); |
| |
| // IsDoneReading() returns false until trailers marked consumed. |
| EXPECT_FALSE(stream_->IsDoneReading()); |
| stream_->MarkTrailersConsumed(); |
| EXPECT_TRUE(stream_->IsDoneReading()); |
| } |
| |
| // Test that when receiving trailing headers with an offset before response |
| // body, stream is closed at the right offset. |
| TEST_P(QuicSpdyStreamTest, ReceivingTrailersWithOffset) { |
| // kFinalOffsetHeaderKey is not used when HEADERS are sent on the |
| // request/response stream. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // Receive initial headers. |
| QuicHeaderList headers = ProcessHeaders(false, headers_); |
| stream_->ConsumeHeaderList(); |
| |
| const std::string body = "this is the body"; |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| // Receive trailing headers. |
| Http2HeaderBlock trailers_block; |
| trailers_block["key1"] = "value1"; |
| trailers_block["key2"] = "value2"; |
| trailers_block["key3"] = "value3"; |
| trailers_block[kFinalOffsetHeaderKey] = absl::StrCat(data.size()); |
| |
| QuicHeaderList trailers = ProcessHeaders(true, trailers_block); |
| |
| // The trailers should be decompressed, and readable from the stream. |
| EXPECT_TRUE(stream_->trailers_decompressed()); |
| |
| // The final offset trailer will be consumed by QUIC. |
| trailers_block.erase(kFinalOffsetHeaderKey); |
| EXPECT_EQ(trailers_block, stream_->received_trailers()); |
| |
| // Consuming the trailers erases them from the stream. |
| stream_->MarkTrailersConsumed(); |
| EXPECT_TRUE(stream_->FinishedReadingTrailers()); |
| |
| EXPECT_FALSE(stream_->IsDoneReading()); |
| // Receive and consume body. |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), /*fin=*/false, |
| 0, data); |
| stream_->OnStreamFrame(frame); |
| EXPECT_EQ(body, stream_->data()); |
| EXPECT_TRUE(stream_->IsDoneReading()); |
| } |
| |
| // Test that receiving trailers without a final offset field is an error. |
| TEST_P(QuicSpdyStreamTest, ReceivingTrailersWithoutOffset) { |
| // kFinalOffsetHeaderKey is not used when HEADERS are sent on the |
| // request/response stream. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // Receive initial headers. |
| ProcessHeaders(false, headers_); |
| stream_->ConsumeHeaderList(); |
| |
| // Receive trailing headers, without kFinalOffsetHeaderKey. |
| Http2HeaderBlock trailers_block; |
| trailers_block["key1"] = "value1"; |
| trailers_block["key2"] = "value2"; |
| trailers_block["key3"] = "value3"; |
| auto trailers = AsHeaderList(trailers_block); |
| |
| // Verify that the trailers block didn't contain a final offset. |
| EXPECT_EQ("", trailers_block[kFinalOffsetHeaderKey].as_string()); |
| |
| // Receipt of the malformed trailers will close the connection. |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA, _, _)) |
| .Times(1); |
| stream_->OnStreamHeaderList(/*fin=*/true, |
| trailers.uncompressed_header_bytes(), trailers); |
| } |
| |
| // Test that received Trailers must always have the FIN set. |
| TEST_P(QuicSpdyStreamTest, ReceivingTrailersWithoutFin) { |
| // In IETF QUIC, there is no such thing as FIN flag on HTTP/3 frames like the |
| // HEADERS frame. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // Receive initial headers. |
| auto headers = AsHeaderList(headers_); |
| stream_->OnStreamHeaderList(/*fin=*/false, |
| headers.uncompressed_header_bytes(), headers); |
| stream_->ConsumeHeaderList(); |
| |
| // Receive trailing headers with FIN deliberately set to false. |
| Http2HeaderBlock trailers_block; |
| trailers_block["foo"] = "bar"; |
| auto trailers = AsHeaderList(trailers_block); |
| |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA, _, _)) |
| .Times(1); |
| stream_->OnStreamHeaderList(/*fin=*/false, |
| trailers.uncompressed_header_bytes(), trailers); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ReceivingTrailersAfterHeadersWithFin) { |
| // If headers are received with a FIN, no trailers should then arrive. |
| Initialize(kShouldProcessData); |
| |
| // If HEADERS frames are sent on the request/response stream, then the |
| // sequencer will signal an error if any stream data arrives after a FIN, |
| // so QuicSpdyStream does not need to. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| // Receive initial headers with FIN set. |
| ProcessHeaders(true, headers_); |
| stream_->ConsumeHeaderList(); |
| |
| // Receive trailing headers after FIN already received. |
| Http2HeaderBlock trailers_block; |
| trailers_block["foo"] = "bar"; |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA, _, _)) |
| .Times(1); |
| ProcessHeaders(true, trailers_block); |
| } |
| |
| // If body data are received with a FIN, no trailers should then arrive. |
| TEST_P(QuicSpdyStreamTest, ReceivingTrailersAfterBodyWithFin) { |
| // If HEADERS frames are sent on the request/response stream, |
| // then the sequencer will block them from reaching QuicSpdyStream |
| // after the stream is closed. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // Receive initial headers without FIN set. |
| ProcessHeaders(false, headers_); |
| stream_->ConsumeHeaderList(); |
| |
| // Receive body data, with FIN. |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), /*fin=*/true, |
| 0, "body"); |
| stream_->OnStreamFrame(frame); |
| |
| // Receive trailing headers after FIN already received. |
| Http2HeaderBlock trailers_block; |
| trailers_block["foo"] = "bar"; |
| EXPECT_CALL(*connection_, |
| CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA, _, _)) |
| .Times(1); |
| ProcessHeaders(true, trailers_block); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ClosingStreamWithNoTrailers) { |
| // Verify that a stream receiving headers, body, and no trailers is correctly |
| // marked as done reading on consumption of headers and body. |
| Initialize(kShouldProcessData); |
| |
| // Receive and consume initial headers with FIN not set. |
| auto h = AsHeaderList(headers_); |
| stream_->OnStreamHeaderList(/*fin=*/false, h.uncompressed_header_bytes(), h); |
| stream_->ConsumeHeaderList(); |
| |
| // Receive and consume body with FIN set, and no trailers. |
| std::string body(1024, 'x'); |
| std::string data = UsesHttp3() ? DataFrame(body) : body; |
| |
| QuicStreamFrame frame(GetNthClientInitiatedBidirectionalId(0), /*fin=*/true, |
| 0, data); |
| stream_->OnStreamFrame(frame); |
| |
| EXPECT_TRUE(stream_->IsDoneReading()); |
| } |
| |
| // Test that writing trailers will send a FIN, as Trailers are the last thing to |
| // be sent on a stream. |
| TEST_P(QuicSpdyStreamTest, WritingTrailersSendsAFin) { |
| Initialize(kShouldProcessData); |
| |
| if (UsesHttp3()) { |
| // In this case, TestStream::WriteHeadersImpl() does not prevent writes. |
| // Four writes on the request stream: HEADERS frame header and payload both |
| // for headers and trailers. |
| EXPECT_CALL(*session_, WritevData(stream_->id(), _, _, _, _, _)).Times(4); |
| } |
| |
| // Write the initial headers, without a FIN. |
| EXPECT_CALL(*stream_, WriteHeadersMock(false)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/false, nullptr); |
| |
| // Writing trailers implicitly sends a FIN. |
| Http2HeaderBlock trailers; |
| trailers["trailer key"] = "trailer value"; |
| EXPECT_CALL(*stream_, WriteHeadersMock(true)); |
| stream_->WriteTrailers(std::move(trailers), nullptr); |
| EXPECT_TRUE(stream_->fin_sent()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, DoNotSendPriorityUpdateWithDefaultUrgency) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| InitializeWithPerspective(kShouldProcessData, Perspective::IS_CLIENT); |
| StrictMock<MockHttp3DebugVisitor> debug_visitor; |
| session_->set_debug_visitor(&debug_visitor); |
| |
| // Four writes on the request stream: HEADERS frame header and payload both |
| // for headers and trailers. |
| EXPECT_CALL(*session_, WritevData(stream_->id(), _, _, _, _, _)).Times(4); |
| |
| // No PRIORITY_UPDATE frames on the control stream, |
| // because the stream has default priority. |
| auto send_control_stream = |
| QuicSpdySessionPeer::GetSendControlStream(session_.get()); |
| EXPECT_CALL(*session_, WritevData(send_control_stream->id(), _, _, _, _, _)) |
| .Times(0); |
| |
| // Write the initial headers, without a FIN. |
| EXPECT_CALL(*stream_, WriteHeadersMock(false)); |
| EXPECT_CALL(debug_visitor, OnHeadersFrameSent(stream_->id(), _)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/false, nullptr); |
| |
| // Writing trailers implicitly sends a FIN. |
| Http2HeaderBlock trailers; |
| trailers["trailer key"] = "trailer value"; |
| EXPECT_CALL(*stream_, WriteHeadersMock(true)); |
| EXPECT_CALL(debug_visitor, OnHeadersFrameSent(stream_->id(), _)); |
| stream_->WriteTrailers(std::move(trailers), nullptr); |
| EXPECT_TRUE(stream_->fin_sent()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ChangePriority) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| InitializeWithPerspective(kShouldProcessData, Perspective::IS_CLIENT); |
| StrictMock<MockHttp3DebugVisitor> debug_visitor; |
| session_->set_debug_visitor(&debug_visitor); |
| |
| // Two writes on the request stream: HEADERS frame header and payload. |
| EXPECT_CALL(*session_, WritevData(stream_->id(), _, _, _, _, _)).Times(2); |
| EXPECT_CALL(*stream_, WriteHeadersMock(false)); |
| EXPECT_CALL(debug_visitor, OnHeadersFrameSent(stream_->id(), _)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/false, nullptr); |
| |
| // PRIORITY_UPDATE frame on the control stream. |
| auto send_control_stream = |
| QuicSpdySessionPeer::GetSendControlStream(session_.get()); |
| EXPECT_CALL(*session_, WritevData(send_control_stream->id(), _, _, _, _, _)); |
| PriorityUpdateFrame priority_update; |
| priority_update.prioritized_element_id = 0; |
| priority_update.priority_field_value = "u=0"; |
| EXPECT_CALL(debug_visitor, OnPriorityUpdateFrameSent(priority_update)); |
| stream_->SetPriority(spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ChangePriorityBeforeWritingHeaders) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| InitializeWithPerspective(kShouldProcessData, Perspective::IS_CLIENT); |
| |
| // PRIORITY_UPDATE frame sent on the control stream as soon as SetPriority() |
| // is called, before HEADERS frame is sent. |
| auto send_control_stream = |
| QuicSpdySessionPeer::GetSendControlStream(session_.get()); |
| EXPECT_CALL(*session_, WritevData(send_control_stream->id(), _, _, _, _, _)); |
| |
| stream_->SetPriority(spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| testing::Mock::VerifyAndClearExpectations(session_.get()); |
| |
| // Two writes on the request stream: HEADERS frame header and payload. |
| // PRIORITY_UPDATE frame is not sent this time, because one is already sent. |
| EXPECT_CALL(*session_, WritevData(stream_->id(), _, _, _, _, _)).Times(2); |
| EXPECT_CALL(*stream_, WriteHeadersMock(true)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/true, nullptr); |
| } |
| |
| // Test that when writing trailers, the trailers that are actually sent to the |
| // peer contain the final offset field indicating last byte of data. |
| TEST_P(QuicSpdyStreamTest, WritingTrailersFinalOffset) { |
| Initialize(kShouldProcessData); |
| |
| if (UsesHttp3()) { |
| // In this case, TestStream::WriteHeadersImpl() does not prevent writes. |
| // HEADERS frame header and payload on the request stream. |
| EXPECT_CALL(*session_, WritevData(stream_->id(), _, _, _, _, _)).Times(2); |
| } |
| |
| // Write the initial headers. |
| EXPECT_CALL(*stream_, WriteHeadersMock(false)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/false, nullptr); |
| |
| // Write non-zero body data to force a non-zero final offset. |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AtLeast(1)); |
| std::string body(1024, 'x'); // 1 kB |
| QuicByteCount header_length = 0; |
| if (UsesHttp3()) { |
| header_length = HttpEncoder::SerializeDataFrameHeader( |
| body.length(), quiche::SimpleBufferAllocator::Get()) |
| .size(); |
| } |
| |
| stream_->WriteOrBufferBody(body, false); |
| |
| // The final offset field in the trailing headers is populated with the |
| // number of body bytes written (including queued bytes). |
| Http2HeaderBlock trailers; |
| trailers["trailer key"] = "trailer value"; |
| |
| Http2HeaderBlock expected_trailers(trailers.Clone()); |
| // :final-offset pseudo-header is only added if trailers are sent |
| // on the headers stream. |
| if (!UsesHttp3()) { |
| expected_trailers[kFinalOffsetHeaderKey] = |
| absl::StrCat(body.length() + header_length); |
| } |
| |
| EXPECT_CALL(*stream_, WriteHeadersMock(true)); |
| stream_->WriteTrailers(std::move(trailers), nullptr); |
| EXPECT_EQ(expected_trailers, stream_->saved_headers()); |
| } |
| |
| // Test that if trailers are written after all other data has been written |
| // (headers and body), that this closes the stream for writing. |
| TEST_P(QuicSpdyStreamTest, WritingTrailersClosesWriteSide) { |
| Initialize(kShouldProcessData); |
| |
| // Expect data being written on the stream. In addition to that, headers are |
| // also written on the stream in case of IETF QUIC. |
| EXPECT_CALL(*session_, WritevData(stream_->id(), _, _, _, _, _)) |
| .Times(AtLeast(1)); |
| |
| // Write the initial headers. |
| EXPECT_CALL(*stream_, WriteHeadersMock(false)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/false, nullptr); |
| |
| // Write non-zero body data. |
| const int kBodySize = 1 * 1024; // 1 kB |
| stream_->WriteOrBufferBody(std::string(kBodySize, 'x'), false); |
| EXPECT_EQ(0u, stream_->BufferedDataBytes()); |
| |
| // Headers and body have been fully written, there is no queued data. Writing |
| // trailers marks the end of this stream, and thus the write side is closed. |
| EXPECT_CALL(*stream_, WriteHeadersMock(true)); |
| stream_->WriteTrailers(Http2HeaderBlock(), nullptr); |
| EXPECT_TRUE(stream_->write_side_closed()); |
| } |
| |
| // Test that the stream is not closed for writing when trailers are sent while |
| // there are still body bytes queued. |
| TEST_P(QuicSpdyStreamTest, WritingTrailersWithQueuedBytes) { |
| // This test exercises sending trailers on the headers stream while data is |
| // still queued on the response/request stream. In IETF QUIC, data and |
| // trailers are sent on the same stream, so this test does not apply. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| testing::InSequence seq; |
| Initialize(kShouldProcessData); |
| |
| // Write the initial headers. |
| EXPECT_CALL(*stream_, WriteHeadersMock(false)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/false, nullptr); |
| |
| // Write non-zero body data, but only consume partially, ensuring queueing. |
| const int kBodySize = 1 * 1024; // 1 kB |
| if (UsesHttp3()) { |
| EXPECT_CALL(*session_, WritevData(_, 3, _, NO_FIN, _, _)); |
| } |
| EXPECT_CALL(*session_, WritevData(_, kBodySize, _, NO_FIN, _, _)) |
| .WillOnce(Return(QuicConsumedData(kBodySize - 1, false))); |
| stream_->WriteOrBufferBody(std::string(kBodySize, 'x'), false); |
| EXPECT_EQ(1u, stream_->BufferedDataBytes()); |
| |
| // Writing trailers will send a FIN, but not close the write side of the |
| // stream as there are queued bytes. |
| EXPECT_CALL(*stream_, WriteHeadersMock(true)); |
| stream_->WriteTrailers(Http2HeaderBlock(), nullptr); |
| EXPECT_TRUE(stream_->fin_sent()); |
| EXPECT_FALSE(stream_->write_side_closed()); |
| |
| // Writing the queued bytes will close the write side of the stream. |
| EXPECT_CALL(*session_, WritevData(_, 1, _, NO_FIN, _, _)); |
| stream_->OnCanWrite(); |
| EXPECT_TRUE(stream_->write_side_closed()); |
| } |
| |
| // Test that it is not possible to write Trailers after a FIN has been sent. |
| TEST_P(QuicSpdyStreamTest, WritingTrailersAfterFIN) { |
| // In IETF QUIC, there is no such thing as FIN flag on HTTP/3 frames like the |
| // HEADERS frame. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // Write the initial headers, with a FIN. |
| EXPECT_CALL(*stream_, WriteHeadersMock(true)); |
| stream_->WriteHeaders(Http2HeaderBlock(), /*fin=*/true, nullptr); |
| EXPECT_TRUE(stream_->fin_sent()); |
| |
| // Writing Trailers should fail, as the FIN has already been sent. |
| // populated with the number of body bytes written. |
| EXPECT_QUIC_BUG(stream_->WriteTrailers(Http2HeaderBlock(), nullptr), |
| "Trailers cannot be sent after a FIN"); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, HeaderStreamNotiferCorrespondingSpdyStream) { |
| // There is no headers stream if QPACK is used. |
| if (UsesHttp3()) { |
| return; |
| } |
| |
| const char kHeader1[] = "Header1"; |
| const char kHeader2[] = "Header2"; |
| const char kBody1[] = "Test1"; |
| const char kBody2[] = "Test2"; |
| |
| Initialize(kShouldProcessData); |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AtLeast(1)); |
| testing::InSequence s; |
| quiche::QuicheReferenceCountedPointer<MockAckListener> ack_listener1( |
| new MockAckListener()); |
| quiche::QuicheReferenceCountedPointer<MockAckListener> ack_listener2( |
| new MockAckListener()); |
| stream_->set_ack_listener(ack_listener1); |
| stream2_->set_ack_listener(ack_listener2); |
| |
| session_->headers_stream()->WriteOrBufferData(kHeader1, false, ack_listener1); |
| stream_->WriteOrBufferBody(kBody1, true); |
| |
| session_->headers_stream()->WriteOrBufferData(kHeader2, false, ack_listener2); |
| stream2_->WriteOrBufferBody(kBody2, false); |
| |
| QuicStreamFrame frame1( |
| QuicUtils::GetHeadersStreamId(connection_->transport_version()), false, 0, |
| kHeader1); |
| |
| std::string data1 = UsesHttp3() ? DataFrame(kBody1) : kBody1; |
| QuicStreamFrame frame2(stream_->id(), true, 0, data1); |
| QuicStreamFrame frame3( |
| QuicUtils::GetHeadersStreamId(connection_->transport_version()), false, 7, |
| kHeader2); |
| std::string data2 = UsesHttp3() ? DataFrame(kBody2) : kBody2; |
| QuicStreamFrame frame4(stream2_->id(), false, 0, data2); |
| |
| EXPECT_CALL(*ack_listener1, OnPacketRetransmitted(7)); |
| session_->OnStreamFrameRetransmitted(frame1); |
| |
| EXPECT_CALL(*ack_listener1, OnPacketAcked(7, _)); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame1), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| EXPECT_CALL(*ack_listener1, OnPacketAcked(5, _)); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame2), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| EXPECT_CALL(*ack_listener2, OnPacketAcked(7, _)); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame3), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| EXPECT_CALL(*ack_listener2, OnPacketAcked(5, _)); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame4), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, OnPriorityFrame) { |
| Initialize(kShouldProcessData); |
| stream_->OnPriorityFrame(spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| EXPECT_EQ(spdy::SpdyStreamPrecedence(kV3HighestPriority), |
| stream_->precedence()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, OnPriorityFrameAfterSendingData) { |
| Initialize(kShouldProcessData); |
| testing::InSequence seq; |
| |
| if (UsesHttp3()) { |
| EXPECT_CALL(*session_, WritevData(_, 2, _, NO_FIN, _, _)); |
| } |
| EXPECT_CALL(*session_, WritevData(_, 4, _, FIN, _, _)); |
| stream_->WriteOrBufferBody("data", true); |
| stream_->OnPriorityFrame(spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| EXPECT_EQ(spdy::SpdyStreamPrecedence(kV3HighestPriority), |
| stream_->precedence()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, SetPriorityBeforeUpdateStreamPriority) { |
| MockQuicConnection* connection = new StrictMock<MockQuicConnection>( |
| &helper_, &alarm_factory_, Perspective::IS_SERVER, |
| SupportedVersions(GetParam())); |
| std::unique_ptr<TestMockUpdateStreamSession> session( |
| new StrictMock<TestMockUpdateStreamSession>(connection)); |
| auto stream = |
| new StrictMock<TestStream>(GetNthClientInitiatedBidirectionalStreamId( |
| session->transport_version(), 0), |
| session.get(), |
| /*should_process_data=*/true); |
| session->ActivateStream(absl::WrapUnique(stream)); |
| |
| // QuicSpdyStream::SetPriority() should eventually call UpdateStreamPriority() |
| // on the session. Make sure stream->priority() returns the updated priority |
| // if called within UpdateStreamPriority(). This expectation is enforced in |
| // TestMockUpdateStreamSession::UpdateStreamPriority(). |
| session->SetExpectedStream(stream); |
| session->SetExpectedPriority(spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| stream->SetPriority(spdy::SpdyStreamPrecedence(kV3HighestPriority)); |
| |
| session->SetExpectedPriority(spdy::SpdyStreamPrecedence(kV3LowestPriority)); |
| stream->SetPriority(spdy::SpdyStreamPrecedence(kV3LowestPriority)); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, StreamWaitsForAcks) { |
| Initialize(kShouldProcessData); |
| quiche::QuicheReferenceCountedPointer<MockAckListener> mock_ack_listener( |
| new StrictMock<MockAckListener>); |
| stream_->set_ack_listener(mock_ack_listener); |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AtLeast(1)); |
| // Stream is not waiting for acks initially. |
| EXPECT_FALSE(stream_->IsWaitingForAcks()); |
| EXPECT_EQ(0u, QuicStreamPeer::SendBuffer(stream_).size()); |
| |
| // Send kData1. |
| stream_->WriteOrBufferData("FooAndBar", false, nullptr); |
| EXPECT_EQ(1u, QuicStreamPeer::SendBuffer(stream_).size()); |
| EXPECT_TRUE(stream_->IsWaitingForAcks()); |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(9, _)); |
| QuicByteCount newly_acked_length = 0; |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(0, 9, false, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| // Stream is not waiting for acks as all sent data is acked. |
| EXPECT_FALSE(stream_->IsWaitingForAcks()); |
| EXPECT_EQ(0u, QuicStreamPeer::SendBuffer(stream_).size()); |
| |
| // Send kData2. |
| stream_->WriteOrBufferData("FooAndBar", false, nullptr); |
| EXPECT_TRUE(stream_->IsWaitingForAcks()); |
| EXPECT_EQ(1u, QuicStreamPeer::SendBuffer(stream_).size()); |
| // Send FIN. |
| stream_->WriteOrBufferData("", true, nullptr); |
| // Fin only frame is not stored in send buffer. |
| EXPECT_EQ(1u, QuicStreamPeer::SendBuffer(stream_).size()); |
| |
| // kData2 is retransmitted. |
| EXPECT_CALL(*mock_ack_listener, OnPacketRetransmitted(9)); |
| stream_->OnStreamFrameRetransmitted(9, 9, false); |
| |
| // kData2 is acked. |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(9, _)); |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(9, 9, false, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| // Stream is waiting for acks as FIN is not acked. |
| EXPECT_TRUE(stream_->IsWaitingForAcks()); |
| EXPECT_EQ(0u, QuicStreamPeer::SendBuffer(stream_).size()); |
| |
| // FIN is acked. |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(0, _)); |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(18, 0, true, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| EXPECT_FALSE(stream_->IsWaitingForAcks()); |
| EXPECT_EQ(0u, QuicStreamPeer::SendBuffer(stream_).size()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, StreamDataGetAckedMultipleTimes) { |
| Initialize(kShouldProcessData); |
| quiche::QuicheReferenceCountedPointer<MockAckListener> mock_ack_listener( |
| new StrictMock<MockAckListener>); |
| stream_->set_ack_listener(mock_ack_listener); |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AtLeast(1)); |
| // Send [0, 27) and fin. |
| stream_->WriteOrBufferData("FooAndBar", false, nullptr); |
| stream_->WriteOrBufferData("FooAndBar", false, nullptr); |
| stream_->WriteOrBufferData("FooAndBar", true, nullptr); |
| |
| // Ack [0, 9), [5, 22) and [18, 26) |
| // Verify [0, 9) 9 bytes are acked. |
| QuicByteCount newly_acked_length = 0; |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(9, _)); |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(0, 9, false, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| EXPECT_EQ(2u, QuicStreamPeer::SendBuffer(stream_).size()); |
| // Verify [9, 22) 13 bytes are acked. |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(13, _)); |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(5, 17, false, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| EXPECT_EQ(1u, QuicStreamPeer::SendBuffer(stream_).size()); |
| // Verify [22, 26) 4 bytes are acked. |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(4, _)); |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(18, 8, false, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| EXPECT_EQ(1u, QuicStreamPeer::SendBuffer(stream_).size()); |
| EXPECT_TRUE(stream_->IsWaitingForAcks()); |
| |
| // Ack [0, 27). |
| // Verify [26, 27) 1 byte is acked. |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(1, _)); |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(26, 1, false, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| EXPECT_EQ(0u, QuicStreamPeer::SendBuffer(stream_).size()); |
| EXPECT_TRUE(stream_->IsWaitingForAcks()); |
| |
| // Ack Fin. Verify OnPacketAcked is called. |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(0, _)); |
| EXPECT_TRUE(stream_->OnStreamFrameAcked(27, 0, true, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), |
| &newly_acked_length)); |
| EXPECT_EQ(0u, QuicStreamPeer::SendBuffer(stream_).size()); |
| EXPECT_FALSE(stream_->IsWaitingForAcks()); |
| |
| // Ack [10, 27) and fin. |
| // No new data is acked, verify OnPacketAcked is not called. |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(_, _)).Times(0); |
| EXPECT_FALSE( |
| stream_->OnStreamFrameAcked(10, 17, true, QuicTime::Delta::Zero(), |
| QuicTime::Zero(), &newly_acked_length)); |
| EXPECT_EQ(0u, QuicStreamPeer::SendBuffer(stream_).size()); |
| EXPECT_FALSE(stream_->IsWaitingForAcks()); |
| } |
| |
| // HTTP/3 only. |
| TEST_P(QuicSpdyStreamTest, HeadersAckNotReportedWriteOrBufferBody) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| quiche::QuicheReferenceCountedPointer<MockAckListener> mock_ack_listener( |
| new StrictMock<MockAckListener>); |
| stream_->set_ack_listener(mock_ack_listener); |
| std::string body = "Test1"; |
| std::string body2(100, 'x'); |
| |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AtLeast(1)); |
| stream_->WriteOrBufferBody(body, false); |
| stream_->WriteOrBufferBody(body2, true); |
| |
| quiche::QuicheBuffer header = HttpEncoder::SerializeDataFrameHeader( |
| body.length(), quiche::SimpleBufferAllocator::Get()); |
| quiche::QuicheBuffer header2 = HttpEncoder::SerializeDataFrameHeader( |
| body2.length(), quiche::SimpleBufferAllocator::Get()); |
| |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(body.length(), _)); |
| QuicStreamFrame frame(stream_->id(), false, 0, |
| absl::StrCat(header.AsStringView(), body)); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(0, _)); |
| QuicStreamFrame frame2(stream_->id(), false, header.size() + body.length(), |
| header2.AsStringView()); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame2), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| |
| EXPECT_CALL(*mock_ack_listener, OnPacketAcked(body2.length(), _)); |
| QuicStreamFrame frame3(stream_->id(), true, |
| header.size() + body.length() + header2.size(), body2); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame3), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| |
| EXPECT_TRUE( |
| QuicSpdyStreamPeer::unacked_frame_headers_offsets(stream_).Empty()); |
| } |
| |
| // HTTP/3 only. |
| TEST_P(QuicSpdyStreamTest, HeadersAckNotReportedWriteBodySlices) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| quiche::QuicheReferenceCountedPointer<MockAckListener> mock_ack_listener( |
| new StrictMock<MockAckListener>); |
| stream_->set_ack_listener(mock_ack_listener); |
| std::string body1 = "Test1"; |
| std::string body2(100, 'x'); |
| struct iovec body1_iov = {const_cast<char*>(body1.data()), body1.length()}; |
| struct iovec body2_iov = {const_cast<char*>(body2.data()), body2.length()}; |
| quiche::QuicheMemSliceStorage storage( |
| &body1_iov, 1, helper_.GetStreamSendBufferAllocator(), 1024); |
| quiche::QuicheMemSliceStorage storage2( |
| &body2_iov, 1, helper_.GetStreamSendBufferAllocator(), 1024); |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AtLeast(1)); |
| stream_->WriteBodySlices(storage.ToSpan(), false); |
| stream_->WriteBodySlices(storage2.ToSpan(), true); |
| |
| std::string data1 = DataFrame(body1); |
| std::string data2 = DataFrame(body2); |
| |
| EXPECT_CALL(*mock_ack_listener, |
| OnPacketAcked(body1.length() + body2.length(), _)); |
| QuicStreamFrame frame(stream_->id(), true, 0, data1 + data2); |
| EXPECT_TRUE(session_->OnFrameAcked(QuicFrame(frame), QuicTime::Delta::Zero(), |
| QuicTime::Zero())); |
| |
| EXPECT_TRUE( |
| QuicSpdyStreamPeer::unacked_frame_headers_offsets(stream_).Empty()); |
| } |
| |
| // HTTP/3 only. |
| TEST_P(QuicSpdyStreamTest, HeaderBytesNotReportedOnRetransmission) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| quiche::QuicheReferenceCountedPointer<MockAckListener> mock_ack_listener( |
| new StrictMock<MockAckListener>); |
| stream_->set_ack_listener(mock_ack_listener); |
| std::string body1 = "Test1"; |
| std::string body2(100, 'x'); |
| |
| EXPECT_CALL(*session_, WritevData(_, _, _, _, _, _)).Times(AtLeast(1)); |
| stream_->WriteOrBufferBody(body1, false); |
| stream_->WriteOrBufferBody(body2, true); |
| |
| std::string data1 = DataFrame(body1); |
| std::string data2 = DataFrame(body2); |
| |
| EXPECT_CALL(*mock_ack_listener, OnPacketRetransmitted(body1.length())); |
| QuicStreamFrame frame(stream_->id(), false, 0, data1); |
| session_->OnStreamFrameRetransmitted(frame); |
| |
| EXPECT_CALL(*mock_ack_listener, OnPacketRetransmitted(body2.length())); |
| QuicStreamFrame frame2(stream_->id(), true, data1.length(), data2); |
| session_->OnStreamFrameRetransmitted(frame2); |
| |
| EXPECT_FALSE( |
| QuicSpdyStreamPeer::unacked_frame_headers_offsets(stream_).Empty()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, HeadersFrameOnRequestStream) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| std::string headers = HeadersFrame({std::make_pair("foo", "bar")}); |
| std::string data = DataFrame(kDataFramePayload); |
| std::string trailers = |
| HeadersFrame({std::make_pair("custom-key", "custom-value")}); |
| |
| std::string stream_frame_payload = absl::StrCat(headers, data, trailers); |
| QuicStreamFrame frame(stream_->id(), false, 0, stream_frame_payload); |
| stream_->OnStreamFrame(frame); |
| |
| EXPECT_THAT(stream_->header_list(), ElementsAre(Pair("foo", "bar"))); |
| |
| // QuicSpdyStream only calls OnBodyAvailable() |
| // after the header list has been consumed. |
| EXPECT_EQ("", stream_->data()); |
| stream_->ConsumeHeaderList(); |
| EXPECT_EQ(kDataFramePayload, stream_->data()); |
| |
| EXPECT_THAT(stream_->received_trailers(), |
| ElementsAre(Pair("custom-key", "custom-value"))); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ProcessBodyAfterTrailers) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(!kShouldProcessData); |
| |
| std::string headers = HeadersFrame({std::make_pair("foo", "bar")}); |
| std::string data = DataFrame(kDataFramePayload); |
| |
| // A header block that will take more than one block of sequencer buffer. |
| // This ensures that when the trailers are consumed, some buffer buckets will |
| // be freed. |
| Http2HeaderBlock trailers_block; |
| trailers_block["key1"] = std::string(10000, 'x'); |
| std::string trailers = HeadersFrame(trailers_block); |
| |
| // Feed all three HTTP/3 frames in a single stream frame. |
| std::string stream_frame_payload = absl::StrCat(headers, data, trailers); |
| QuicStreamFrame frame(stream_->id(), false, 0, stream_frame_payload); |
| stream_->OnStreamFrame(frame); |
| |
| stream_->ConsumeHeaderList(); |
| stream_->MarkTrailersConsumed(); |
| |
| EXPECT_TRUE(stream_->trailers_decompressed()); |
| EXPECT_EQ(trailers_block, stream_->received_trailers()); |
| |
| EXPECT_TRUE(stream_->HasBytesToRead()); |
| |
| // Consume data. |
| char buffer[2048]; |
| struct iovec vec; |
| vec.iov_base = buffer; |
| vec.iov_len = ABSL_ARRAYSIZE(buffer); |
| size_t bytes_read = stream_->Readv(&vec, 1); |
| EXPECT_EQ(kDataFramePayload, absl::string_view(buffer, bytes_read)); |
| |
| EXPECT_FALSE(stream_->HasBytesToRead()); |
| } |
| |
| // The test stream will receive a stream frame containing malformed headers and |
| // normal body. Make sure the http decoder stops processing body after the |
| // connection shuts down. |
| TEST_P(QuicSpdyStreamTest, MalformedHeadersStopHttpDecoder) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| testing::InSequence s; |
| connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1)); |
| |
| // Random bad headers. |
| std::string headers = |
| HeadersFrame(absl::HexStringToBytes("00002a94e7036261")); |
| std::string data = DataFrame(kDataFramePayload); |
| |
| std::string stream_frame_payload = absl::StrCat(headers, data); |
| QuicStreamFrame frame(stream_->id(), false, 0, stream_frame_payload); |
| |
| EXPECT_CALL( |
| *connection_, |
| CloseConnection(QUIC_QPACK_DECOMPRESSION_FAILED, |
| MatchesRegex("Error decoding headers on stream \\d+: " |
| "Incomplete header block."), |
| _)) |
| .WillOnce( |
| (Invoke([this](QuicErrorCode error, const std::string& error_details, |
| ConnectionCloseBehavior connection_close_behavior) { |
| connection_->ReallyCloseConnection(error, error_details, |
| connection_close_behavior); |
| }))); |
| EXPECT_CALL(*connection_, SendConnectionClosePacket(_, _, _)); |
| EXPECT_CALL(*session_, OnConnectionClosed(_, _)) |
| .WillOnce(Invoke([this](const QuicConnectionCloseFrame& frame, |
| ConnectionCloseSource source) { |
| session_->ReallyOnConnectionClosed(frame, source); |
| })); |
| EXPECT_CALL(*session_, MaybeSendRstStreamFrame(_, _, _)).Times(2); |
| stream_->OnStreamFrame(frame); |
| } |
| |
| // Regression test for https://crbug.com/1027895: a HEADERS frame triggers an |
| // error in QuicSpdyStream::OnHeadersFramePayload(). This closes the |
| // connection, freeing the buffer of QuicStreamSequencer. Therefore |
| // QuicStreamSequencer::MarkConsumed() must not be called from |
| // QuicSpdyStream::OnHeadersFramePayload(). |
| TEST_P(QuicSpdyStreamTest, DoNotMarkConsumedAfterQpackDecodingError) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| connection_->AdvanceTime(QuicTime::Delta::FromSeconds(1)); |
| |
| { |
| testing::InSequence s; |
| EXPECT_CALL( |
| *connection_, |
| CloseConnection(QUIC_QPACK_DECOMPRESSION_FAILED, |
| MatchesRegex("Error decoding headers on stream \\d+: " |
| "Invalid relative index."), |
| _)) |
| .WillOnce(( |
| Invoke([this](QuicErrorCode error, const std::string& error_details, |
| ConnectionCloseBehavior connection_close_behavior) { |
| connection_->ReallyCloseConnection(error, error_details, |
| connection_close_behavior); |
| }))); |
| EXPECT_CALL(*connection_, SendConnectionClosePacket(_, _, _)); |
| EXPECT_CALL(*session_, OnConnectionClosed(_, _)) |
| .WillOnce(Invoke([this](const QuicConnectionCloseFrame& frame, |
| ConnectionCloseSource source) { |
| session_->ReallyOnConnectionClosed(frame, source); |
| })); |
| } |
| EXPECT_CALL(*session_, MaybeSendRstStreamFrame(stream_->id(), _, _)); |
| EXPECT_CALL(*session_, MaybeSendRstStreamFrame(stream2_->id(), _, _)); |
| |
| // Invalid headers: Required Insert Count is zero, but the header block |
| // contains a dynamic table reference. |
| std::string headers = HeadersFrame(absl::HexStringToBytes("000080")); |
| QuicStreamFrame frame(stream_->id(), false, 0, headers); |
| stream_->OnStreamFrame(frame); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, ImmediateHeaderDecodingWithDynamicTableEntries) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| testing::InSequence s; |
| session_->qpack_decoder()->OnSetDynamicTableCapacity(1024); |
| StrictMock<MockHttp3DebugVisitor> debug_visitor; |
| session_->set_debug_visitor(&debug_visitor); |
| |
| auto decoder_send_stream = |
| QuicSpdySessionPeer::GetQpackDecoderSendStream(session_.get()); |
| |
| // Deliver dynamic table entry to decoder. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| |
| // HEADERS frame referencing first dynamic table entry. |
| std::string encoded_headers = absl::HexStringToBytes("020080"); |
| std::string headers = HeadersFrame(encoded_headers); |
| EXPECT_CALL(debug_visitor, |
| OnHeadersFrameReceived(stream_->id(), encoded_headers.length())); |
| // Decoder stream type. |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 0, _, _, _)); |
| // Header acknowledgement. |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 1, _, _, _)); |
| EXPECT_CALL(debug_visitor, OnHeadersDecoded(stream_->id(), _)); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, headers)); |
| |
| // Headers can be decoded immediately. |
| EXPECT_TRUE(stream_->headers_decompressed()); |
| |
| // Verify headers. |
| EXPECT_THAT(stream_->header_list(), ElementsAre(Pair("foo", "bar"))); |
| stream_->ConsumeHeaderList(); |
| |
| // DATA frame. |
| std::string data = DataFrame(kDataFramePayload); |
| EXPECT_CALL(debug_visitor, |
| OnDataFrameReceived(stream_->id(), strlen(kDataFramePayload))); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, /* offset = */ |
| headers.length(), data)); |
| EXPECT_EQ(kDataFramePayload, stream_->data()); |
| |
| // Deliver second dynamic table entry to decoder. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("trailing", "foobar"); |
| |
| // Trailing HEADERS frame referencing second dynamic table entry. |
| std::string encoded_trailers = absl::HexStringToBytes("030080"); |
| std::string trailers = HeadersFrame(encoded_trailers); |
| EXPECT_CALL(debug_visitor, |
| OnHeadersFrameReceived(stream_->id(), encoded_trailers.length())); |
| // Header acknowledgement. |
| EXPECT_CALL(*session_, WritevData(decoder_send_stream->id(), _, _, _, _, _)); |
| EXPECT_CALL(debug_visitor, OnHeadersDecoded(stream_->id(), _)); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), true, /* offset = */ |
| headers.length() + data.length(), |
| trailers)); |
| |
| // Trailers can be decoded immediately. |
| EXPECT_TRUE(stream_->trailers_decompressed()); |
| |
| // Verify trailers. |
| EXPECT_THAT(stream_->received_trailers(), |
| ElementsAre(Pair("trailing", "foobar"))); |
| stream_->MarkTrailersConsumed(); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, BlockedHeaderDecoding) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| testing::InSequence s; |
| session_->qpack_decoder()->OnSetDynamicTableCapacity(1024); |
| StrictMock<MockHttp3DebugVisitor> debug_visitor; |
| session_->set_debug_visitor(&debug_visitor); |
| |
| // HEADERS frame referencing first dynamic table entry. |
| std::string encoded_headers = absl::HexStringToBytes("020080"); |
| std::string headers = HeadersFrame(encoded_headers); |
| EXPECT_CALL(debug_visitor, |
| OnHeadersFrameReceived(stream_->id(), encoded_headers.length())); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, headers)); |
| |
| // Decoding is blocked because dynamic table entry has not been received yet. |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| |
| auto decoder_send_stream = |
| QuicSpdySessionPeer::GetQpackDecoderSendStream(session_.get()); |
| |
| // Decoder stream type. |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 0, _, _, _)); |
| // Header acknowledgement. |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 1, _, _, _)); |
| EXPECT_CALL(debug_visitor, OnHeadersDecoded(stream_->id(), _)); |
| // Deliver dynamic table entry to decoder. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| EXPECT_TRUE(stream_->headers_decompressed()); |
| |
| // Verify headers. |
| EXPECT_THAT(stream_->header_list(), ElementsAre(Pair("foo", "bar"))); |
| stream_->ConsumeHeaderList(); |
| |
| // DATA frame. |
| std::string data = DataFrame(kDataFramePayload); |
| EXPECT_CALL(debug_visitor, |
| OnDataFrameReceived(stream_->id(), strlen(kDataFramePayload))); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, /* offset = */ |
| headers.length(), data)); |
| EXPECT_EQ(kDataFramePayload, stream_->data()); |
| |
| // Trailing HEADERS frame referencing second dynamic table entry. |
| std::string encoded_trailers = absl::HexStringToBytes("030080"); |
| std::string trailers = HeadersFrame(encoded_trailers); |
| EXPECT_CALL(debug_visitor, |
| OnHeadersFrameReceived(stream_->id(), encoded_trailers.length())); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), true, /* offset = */ |
| headers.length() + data.length(), |
| trailers)); |
| |
| // Decoding is blocked because dynamic table entry has not been received yet. |
| EXPECT_FALSE(stream_->trailers_decompressed()); |
| |
| // Header acknowledgement. |
| EXPECT_CALL(*session_, WritevData(decoder_send_stream->id(), _, _, _, _, _)); |
| EXPECT_CALL(debug_visitor, OnHeadersDecoded(stream_->id(), _)); |
| // Deliver second dynamic table entry to decoder. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("trailing", "foobar"); |
| EXPECT_TRUE(stream_->trailers_decompressed()); |
| |
| // Verify trailers. |
| EXPECT_THAT(stream_->received_trailers(), |
| ElementsAre(Pair("trailing", "foobar"))); |
| stream_->MarkTrailersConsumed(); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, AsyncErrorDecodingHeaders) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| session_->qpack_decoder()->OnSetDynamicTableCapacity(1024); |
| |
| // HEADERS frame only referencing entry with absolute index 0 but with |
| // Required Insert Count = 2, which is incorrect. |
| std::string headers = HeadersFrame(absl::HexStringToBytes("030081")); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, headers)); |
| |
| // Even though entire header block is received and every referenced entry is |
| // available, decoding is blocked until insert count reaches the Required |
| // Insert Count value advertised in the header block prefix. |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| |
| EXPECT_CALL( |
| *connection_, |
| CloseConnection(QUIC_QPACK_DECOMPRESSION_FAILED, |
| MatchesRegex("Error decoding headers on stream \\d+: " |
| "Required Insert Count too large."), |
| ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET)); |
| |
| // Deliver two dynamic table entries to decoder |
| // to trigger decoding of header block. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| } |
| |
| // Regression test for https://crbug.com/1024263 and for |
| // https://crbug.com/1025209#c11. |
| TEST_P(QuicSpdyStreamTest, BlockedHeaderDecodingUnblockedWithBufferedError) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| session_->qpack_decoder()->OnSetDynamicTableCapacity(1024); |
| |
| // Relative index 2 is invalid because it is larger than or equal to the Base. |
| std::string headers = HeadersFrame(absl::HexStringToBytes("020082")); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, headers)); |
| |
| // Decoding is blocked. |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| |
| EXPECT_CALL( |
| *connection_, |
| CloseConnection(QUIC_QPACK_DECOMPRESSION_FAILED, |
| MatchesRegex("Error decoding headers on stream \\d+: " |
| "Invalid relative index."), |
| ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET)); |
| |
| // Deliver one dynamic table entry to decoder |
| // to trigger decoding of header block. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, AsyncErrorDecodingTrailers) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| testing::InSequence s; |
| session_->qpack_decoder()->OnSetDynamicTableCapacity(1024); |
| |
| // HEADERS frame referencing first dynamic table entry. |
| std::string headers = HeadersFrame(absl::HexStringToBytes("020080")); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, headers)); |
| |
| // Decoding is blocked because dynamic table entry has not been received yet. |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| |
| auto decoder_send_stream = |
| QuicSpdySessionPeer::GetQpackDecoderSendStream(session_.get()); |
| |
| // Decoder stream type. |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 0, _, _, _)); |
| // Header acknowledgement. |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 1, _, _, _)); |
| // Deliver dynamic table entry to decoder. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| EXPECT_TRUE(stream_->headers_decompressed()); |
| |
| // Verify headers. |
| EXPECT_THAT(stream_->header_list(), ElementsAre(Pair("foo", "bar"))); |
| stream_->ConsumeHeaderList(); |
| |
| // DATA frame. |
| std::string data = DataFrame(kDataFramePayload); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, /* offset = */ |
| headers.length(), data)); |
| EXPECT_EQ(kDataFramePayload, stream_->data()); |
| |
| // Trailing HEADERS frame only referencing entry with absolute index 0 but |
| // with Required Insert Count = 2, which is incorrect. |
| std::string trailers = HeadersFrame(absl::HexStringToBytes("030081")); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), true, /* offset = */ |
| headers.length() + data.length(), |
| trailers)); |
| |
| // Even though entire header block is received and every referenced entry is |
| // available, decoding is blocked until insert count reaches the Required |
| // Insert Count value advertised in the header block prefix. |
| EXPECT_FALSE(stream_->trailers_decompressed()); |
| |
| EXPECT_CALL( |
| *connection_, |
| CloseConnection(QUIC_QPACK_DECOMPRESSION_FAILED, |
| MatchesRegex("Error decoding trailers on stream \\d+: " |
| "Required Insert Count too large."), |
| ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET)); |
| |
| // Deliver second dynamic table entry to decoder |
| // to trigger decoding of trailing header block. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("trailing", "foobar"); |
| } |
| |
| // Regression test for b/132603592: QPACK decoding unblocked after stream is |
| // closed. |
| TEST_P(QuicSpdyStreamTest, HeaderDecodingUnblockedAfterStreamClosed) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| testing::InSequence s; |
| session_->qpack_decoder()->OnSetDynamicTableCapacity(1024); |
| StrictMock<MockHttp3DebugVisitor> debug_visitor; |
| session_->set_debug_visitor(&debug_visitor); |
| |
| // HEADERS frame referencing first dynamic table entry. |
| std::string encoded_headers = absl::HexStringToBytes("020080"); |
| std::string headers = HeadersFrame(encoded_headers); |
| EXPECT_CALL(debug_visitor, |
| OnHeadersFrameReceived(stream_->id(), encoded_headers.length())); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, headers)); |
| |
| // Decoding is blocked because dynamic table entry has not been received yet. |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| |
| // Decoder stream type and stream cancellation instruction. |
| auto decoder_send_stream = |
| QuicSpdySessionPeer::GetQpackDecoderSendStream(session_.get()); |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 0, _, _, _)); |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 1, _, _, _)); |
| |
| // Reset stream by this endpoint, for example, due to stream cancellation. |
| EXPECT_CALL(*session_, MaybeSendStopSendingFrame( |
| stream_->id(), QuicResetStreamError::FromInternal( |
| QUIC_STREAM_CANCELLED))); |
| EXPECT_CALL( |
| *session_, |
| MaybeSendRstStreamFrame( |
| stream_->id(), |
| QuicResetStreamError::FromInternal(QUIC_STREAM_CANCELLED), _)); |
| stream_->Reset(QUIC_STREAM_CANCELLED); |
| |
| // Deliver dynamic table entry to decoder. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| } |
| |
| TEST_P(QuicSpdyStreamTest, HeaderDecodingUnblockedAfterResetReceived) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| testing::InSequence s; |
| session_->qpack_decoder()->OnSetDynamicTableCapacity(1024); |
| StrictMock<MockHttp3DebugVisitor> debug_visitor; |
| session_->set_debug_visitor(&debug_visitor); |
| |
| // HEADERS frame referencing first dynamic table entry. |
| std::string encoded_headers = absl::HexStringToBytes("020080"); |
| std::string headers = HeadersFrame(encoded_headers); |
| EXPECT_CALL(debug_visitor, |
| OnHeadersFrameReceived(stream_->id(), encoded_headers.length())); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, headers)); |
| |
| // Decoding is blocked because dynamic table entry has not been received yet. |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| |
| // Decoder stream type and stream cancellation instruction. |
| auto decoder_send_stream = |
| QuicSpdySessionPeer::GetQpackDecoderSendStream(session_.get()); |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 0, _, _, _)); |
| EXPECT_CALL(*session_, |
| WritevData(decoder_send_stream->id(), /* write_length = */ 1, |
| /* offset = */ 1, _, _, _)); |
| |
| // OnStreamReset() is called when RESET_STREAM frame is received from peer. |
| // This aborts header decompression. |
| stream_->OnStreamReset(QuicRstStreamFrame( |
| kInvalidControlFrameId, stream_->id(), QUIC_STREAM_CANCELLED, 0)); |
| |
| // Deliver dynamic table entry to decoder. |
| session_->qpack_decoder()->OnInsertWithoutNameReference("foo", "bar"); |
| EXPECT_FALSE(stream_->headers_decompressed()); |
| } |
| |
| class QuicSpdyStreamIncrementalConsumptionTest : public QuicSpdyStreamTest { |
| protected: |
| QuicSpdyStreamIncrementalConsumptionTest() : offset_(0), consumed_bytes_(0) {} |
| ~QuicSpdyStreamIncrementalConsumptionTest() override = default; |
| |
| // Create QuicStreamFrame with |payload| |
| // and pass it to stream_->OnStreamFrame(). |
| void OnStreamFrame(absl::string_view payload) { |
| QuicStreamFrame frame(stream_->id(), /* fin = */ false, offset_, payload); |
| stream_->OnStreamFrame(frame); |
| offset_ += payload.size(); |
| } |
| |
| // Return number of bytes marked consumed with sequencer |
| // since last NewlyConsumedBytes() call. |
| QuicStreamOffset NewlyConsumedBytes() { |
| QuicStreamOffset previously_consumed_bytes = consumed_bytes_; |
| consumed_bytes_ = stream_->sequencer()->NumBytesConsumed(); |
| return consumed_bytes_ - previously_consumed_bytes; |
| } |
| |
| // Read |size| bytes from the stream. |
| std::string ReadFromStream(QuicByteCount size) { |
| std::string buffer; |
| buffer.resize(size); |
| |
| struct iovec vec; |
| vec.iov_base = const_cast<char*>(buffer.data()); |
| vec.iov_len = size; |
| |
| size_t bytes_read = stream_->Readv(&vec, 1); |
| EXPECT_EQ(bytes_read, size); |
| |
| return buffer; |
| } |
| |
| private: |
| QuicStreamOffset offset_; |
| QuicStreamOffset consumed_bytes_; |
| }; |
| |
| INSTANTIATE_TEST_SUITE_P(Tests, QuicSpdyStreamIncrementalConsumptionTest, |
| ::testing::ValuesIn(AllSupportedVersions()), |
| ::testing::PrintToStringParamName()); |
| |
| // Test that stream bytes are consumed (by calling |
| // sequencer()->MarkConsumed()) incrementally, as soon as possible. |
| TEST_P(QuicSpdyStreamIncrementalConsumptionTest, OnlyKnownFrames) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(!kShouldProcessData); |
| |
| std::string headers = HeadersFrame({std::make_pair("foo", "bar")}); |
| |
| // All HEADERS frame bytes are consumed even if the frame is not received |
| // completely. |
| OnStreamFrame(absl::string_view(headers).substr(0, headers.size() - 1)); |
| EXPECT_EQ(headers.size() - 1, NewlyConsumedBytes()); |
| |
| // The rest of the HEADERS frame is also consumed immediately. |
| OnStreamFrame(absl::string_view(headers).substr(headers.size() - 1)); |
| EXPECT_EQ(1u, NewlyConsumedBytes()); |
| |
| // Verify headers. |
| EXPECT_THAT(stream_->header_list(), ElementsAre(Pair("foo", "bar"))); |
| stream_->ConsumeHeaderList(); |
| |
| // DATA frame. |
| absl::string_view data_payload(kDataFramePayload); |
| std::string data_frame = DataFrame(data_payload); |
| QuicByteCount data_frame_header_length = |
| data_frame.size() - data_payload.size(); |
| |
| // DATA frame header is consumed. |
| // DATA frame payload is not consumed because payload has to be buffered. |
| OnStreamFrame(data_frame); |
| EXPECT_EQ(data_frame_header_length, NewlyConsumedBytes()); |
| |
| // Consume all but last byte of data. |
| EXPECT_EQ(data_payload.substr(0, data_payload.size() - 1), |
| ReadFromStream(data_payload.size() - 1)); |
| EXPECT_EQ(data_payload.size() - 1, NewlyConsumedBytes()); |
| |
| std::string trailers = |
| HeadersFrame({std::make_pair("custom-key", "custom-value")}); |
| |
| // No bytes are consumed, because last byte of DATA payload is still buffered. |
| OnStreamFrame(absl::string_view(trailers).substr(0, trailers.size() - 1)); |
| EXPECT_EQ(0u, NewlyConsumedBytes()); |
| |
| // Reading last byte of DATA payload triggers consumption of all data received |
| // so far, even though last HEADERS frame has not been received completely. |
| EXPECT_EQ(data_payload.substr(data_payload.size() - 1), ReadFromStream(1)); |
| EXPECT_EQ(1 + trailers.size() - 1, NewlyConsumedBytes()); |
| |
| // Last byte of trailers is immediately consumed. |
| OnStreamFrame(absl::string_view(trailers).substr(trailers.size() - 1)); |
| EXPECT_EQ(1u, NewlyConsumedBytes()); |
| |
| // Verify trailers. |
| EXPECT_THAT(stream_->received_trailers(), |
| ElementsAre(Pair("custom-key", "custom-value"))); |
| } |
| |
| TEST_P(QuicSpdyStreamIncrementalConsumptionTest, ReceiveUnknownFrame) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| StrictMock<MockHttp3DebugVisitor> debug_visitor; |
| session_->set_debug_visitor(&debug_visitor); |
| |
| EXPECT_CALL(debug_visitor, |
| OnUnknownFrameReceived(stream_->id(), /* frame_type = */ 0x21, |
| /* payload_length = */ 3)); |
| std::string unknown_frame = UnknownFrame(0x21, "foo"); |
| OnStreamFrame(unknown_frame); |
| } |
| |
| TEST_P(QuicSpdyStreamIncrementalConsumptionTest, UnknownFramesInterleaved) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(!kShouldProcessData); |
| |
| // Unknown frame of reserved type before HEADERS is consumed immediately. |
| std::string unknown_frame1 = UnknownFrame(0x21, "foo"); |
| OnStreamFrame(unknown_frame1); |
| EXPECT_EQ(unknown_frame1.size(), NewlyConsumedBytes()); |
| |
| std::string headers = HeadersFrame({std::make_pair("foo", "bar")}); |
| |
| // All HEADERS frame bytes are consumed even if the frame is not received |
| // completely. |
| OnStreamFrame(absl::string_view(headers).substr(0, headers.size() - 1)); |
| EXPECT_EQ(headers.size() - 1, NewlyConsumedBytes()); |
| |
| // The rest of the HEADERS frame is also consumed immediately. |
| OnStreamFrame(absl::string_view(headers).substr(headers.size() - 1)); |
| EXPECT_EQ(1u, NewlyConsumedBytes()); |
| |
| // Verify headers. |
| EXPECT_THAT(stream_->header_list(), ElementsAre(Pair("foo", "bar"))); |
| stream_->ConsumeHeaderList(); |
| |
| // Frame of unknown, not reserved type between HEADERS and DATA is consumed |
| // immediately. |
| std::string unknown_frame2 = UnknownFrame(0x3a, ""); |
| OnStreamFrame(unknown_frame2); |
| EXPECT_EQ(unknown_frame2.size(), NewlyConsumedBytes()); |
| |
| // DATA frame. |
| absl::string_view data_payload(kDataFramePayload); |
| std::string data_frame = DataFrame(data_payload); |
| QuicByteCount data_frame_header_length = |
| data_frame.size() - data_payload.size(); |
| |
| // DATA frame header is consumed. |
| // DATA frame payload is not consumed because payload has to be buffered. |
| OnStreamFrame(data_frame); |
| EXPECT_EQ(data_frame_header_length, NewlyConsumedBytes()); |
| |
| // Frame of unknown, not reserved type is not consumed because DATA payload is |
| // still buffered. |
| std::string unknown_frame3 = UnknownFrame(0x39, "bar"); |
| OnStreamFrame(unknown_frame3); |
| EXPECT_EQ(0u, NewlyConsumedBytes()); |
| |
| // Consume all but last byte of data. |
| EXPECT_EQ(data_payload.substr(0, data_payload.size() - 1), |
| ReadFromStream(data_payload.size() - 1)); |
| EXPECT_EQ(data_payload.size() - 1, NewlyConsumedBytes()); |
| |
| std::string trailers = |
| HeadersFrame({std::make_pair("custom-key", "custom-value")}); |
| |
| // No bytes are consumed, because last byte of DATA payload is still buffered. |
| OnStreamFrame(absl::string_view(trailers).substr(0, trailers.size() - 1)); |
| EXPECT_EQ(0u, NewlyConsumedBytes()); |
| |
| // Reading last byte of DATA payload triggers consumption of all data received |
| // so far, even though last HEADERS frame has not been received completely. |
| EXPECT_EQ(data_payload.substr(data_payload.size() - 1), ReadFromStream(1)); |
| EXPECT_EQ(1 + unknown_frame3.size() + trailers.size() - 1, |
| NewlyConsumedBytes()); |
| |
| // Last byte of trailers is immediately consumed. |
| OnStreamFrame(absl::string_view(trailers).substr(trailers.size() - 1)); |
| EXPECT_EQ(1u, NewlyConsumedBytes()); |
| |
| // Verify trailers. |
| EXPECT_THAT(stream_->received_trailers(), |
| ElementsAre(Pair("custom-key", "custom-value"))); |
| |
| // Unknown frame of reserved type after trailers is consumed immediately. |
| std::string unknown_frame4 = UnknownFrame(0x40, ""); |
| OnStreamFrame(unknown_frame4); |
| EXPECT_EQ(unknown_frame4.size(), NewlyConsumedBytes()); |
| } |
| |
| // Close connection if a DATA frame is received before a HEADERS frame. |
| TEST_P(QuicSpdyStreamTest, DataBeforeHeaders) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // Closing the connection is mocked out in tests. Instead, simply stop |
| // reading data at the stream level to prevent QuicSpdyStream from blowing up. |
| EXPECT_CALL( |
| *connection_, |
| CloseConnection(QUIC_HTTP_INVALID_FRAME_SEQUENCE_ON_SPDY_STREAM, |
| "Unexpected DATA frame received.", |
| ConnectionCloseBehavior::SEND_CONNECTION_CLOSE_PACKET)) |
| .WillOnce(InvokeWithoutArgs([this]() { stream_->StopReading(); })); |
| |
| std::string data = DataFrame(kDataFramePayload); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false, 0, data)); |
| } |
| |
| // Close connection if a HEADERS frame is received after the trailing HEADERS. |
| TEST_P(QuicSpdyStreamTest, TrailersAfterTrailers) { |
| if (!UsesHttp3()) { |
| return; |
| } |
| |
| Initialize(kShouldProcessData); |
| |
| // Receive and consume headers. |
| std::string headers = HeadersFrame({std::make_pair("foo", "bar")}); |
| QuicStreamOffset offset = 0; |
| stream_->OnStreamFrame( |
| QuicStreamFrame(stream_->id(), false, offset, headers)); |
| offset += headers.size(); |
| |
| EXPECT_THAT(stream_->header_list(), ElementsAre(Pair("foo", "bar"))); |
| stream_->ConsumeHeaderList(); |
| |
| // Receive data. It is consumed by TestStream. |
| std::string data = DataFrame(kDataFramePayload); |
| stream_->OnStreamFrame(QuicStreamFrame(stream_->id(), false,
|