| // 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 "net/quic/quic_test_packet_maker.h" |
| |
| #include <list> |
| #include <utility> |
| |
| #include "base/strings/strcat.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "net/quic/mock_crypto_client_stream.h" |
| #include "net/quic/quic_chromium_client_session.h" |
| #include "net/quic/quic_http_utils.h" |
| #include "net/third_party/quiche/src/quic/core/http/http_constants.h" |
| #include "net/third_party/quiche/src/quic/core/quic_framer.h" |
| #include "net/third_party/quiche/src/quic/core/quic_utils.h" |
| #include "net/third_party/quiche/src/quic/test_tools/mock_random.h" |
| #include "net/third_party/quiche/src/quic/test_tools/quic_test_utils.h" |
| #include "net/third_party/quiche/src/quic/test_tools/simple_data_producer.h" |
| |
| namespace net { |
| namespace test { |
| namespace { |
| |
| quic::QuicAckFrame MakeAckFrame(uint64_t largest_observed) { |
| quic::QuicAckFrame ack; |
| ack.largest_acked = quic::QuicPacketNumber(largest_observed); |
| return ack; |
| } |
| |
| quic::QuicFrames CloneFrames(const quic::QuicFrames& frames) { |
| quic::QuicFrames new_frames = frames; |
| for (auto& frame : new_frames) { |
| switch (frame.type) { |
| // Frames smaller than a pointer are inlined, so don't need to be cloned. |
| case quic::PADDING_FRAME: |
| case quic::MTU_DISCOVERY_FRAME: |
| case quic::PING_FRAME: |
| case quic::MAX_STREAMS_FRAME: |
| case quic::STOP_WAITING_FRAME: |
| case quic::STREAMS_BLOCKED_FRAME: |
| case quic::STREAM_FRAME: |
| break; |
| case quic::ACK_FRAME: |
| frame.ack_frame = new quic::QuicAckFrame(*frame.ack_frame); |
| break; |
| case quic::RST_STREAM_FRAME: |
| frame.rst_stream_frame = |
| new quic::QuicRstStreamFrame(*frame.rst_stream_frame); |
| break; |
| case quic::CONNECTION_CLOSE_FRAME: |
| frame.connection_close_frame = |
| new quic::QuicConnectionCloseFrame(*frame.connection_close_frame); |
| break; |
| case quic::GOAWAY_FRAME: |
| frame.goaway_frame = new quic::QuicGoAwayFrame(*frame.goaway_frame); |
| break; |
| case quic::BLOCKED_FRAME: |
| frame.blocked_frame = new quic::QuicBlockedFrame(*frame.blocked_frame); |
| break; |
| case quic::WINDOW_UPDATE_FRAME: |
| frame.window_update_frame = |
| new quic::QuicWindowUpdateFrame(*frame.window_update_frame); |
| break; |
| case quic::PATH_CHALLENGE_FRAME: |
| frame.path_challenge_frame = |
| new quic::QuicPathChallengeFrame(*frame.path_challenge_frame); |
| break; |
| case quic::STOP_SENDING_FRAME: |
| frame.stop_sending_frame = |
| new quic::QuicStopSendingFrame(*frame.stop_sending_frame); |
| break; |
| case quic::NEW_CONNECTION_ID_FRAME: |
| frame.new_connection_id_frame = |
| new quic::QuicNewConnectionIdFrame(*frame.new_connection_id_frame); |
| break; |
| case quic::RETIRE_CONNECTION_ID_FRAME: |
| frame.retire_connection_id_frame = |
| new quic::QuicRetireConnectionIdFrame( |
| *frame.retire_connection_id_frame); |
| break; |
| case quic::PATH_RESPONSE_FRAME: |
| frame.path_response_frame = |
| new quic::QuicPathResponseFrame(*frame.path_response_frame); |
| break; |
| case quic::MESSAGE_FRAME: |
| DCHECK(false) << "Message frame not supported"; |
| // frame.message_frame = new |
| // quic::QuicMessageFrame(*frame.message_frame); |
| break; |
| case quic::CRYPTO_FRAME: |
| frame.crypto_frame = new quic::QuicCryptoFrame(*frame.crypto_frame); |
| break; |
| case quic::NEW_TOKEN_FRAME: |
| frame.new_token_frame = |
| new quic::QuicNewTokenFrame(*frame.new_token_frame); |
| break; |
| |
| case quic::NUM_FRAME_TYPES: |
| DCHECK(false) << "Cannot clone frame type: " << frame.type; |
| } |
| } |
| return new_frames; |
| } |
| |
| } // namespace |
| |
| void QuicTestPacketMaker::DecoderStreamErrorDelegate::OnDecoderStreamError( |
| quic::QuicStringPiece error_message) { |
| LOG(FATAL) << error_message; |
| } |
| |
| void QuicTestPacketMaker::EncoderStreamSenderDelegate::WriteStreamData( |
| quic::QuicStringPiece data) { |
| LOG(FATAL) << "data.length: " << data.length(); |
| } |
| |
| QuicTestPacketMaker::QuicTestPacketMaker( |
| quic::ParsedQuicVersion version, |
| quic::QuicConnectionId connection_id, |
| quic::MockClock* clock, |
| const std::string& host, |
| quic::Perspective perspective, |
| bool client_headers_include_h2_stream_dependency) |
| : version_(version), |
| connection_id_(connection_id), |
| clock_(clock), |
| host_(host), |
| spdy_request_framer_(spdy::SpdyFramer::ENABLE_COMPRESSION), |
| spdy_response_framer_(spdy::SpdyFramer::ENABLE_COMPRESSION), |
| coalesce_http_frames_(false), |
| save_packet_frames_(false), |
| qpack_encoder_(&decoder_stream_error_delegate_), |
| perspective_(perspective), |
| encryption_level_(quic::ENCRYPTION_FORWARD_SECURE), |
| long_header_type_(quic::INVALID_PACKET_TYPE), |
| client_headers_include_h2_stream_dependency_( |
| client_headers_include_h2_stream_dependency && |
| version.transport_version >= quic::QUIC_VERSION_43) { |
| DCHECK(!(perspective_ == quic::Perspective::IS_SERVER && |
| client_headers_include_h2_stream_dependency_)); |
| |
| qpack_encoder_.set_qpack_stream_sender_delegate( |
| &encoder_stream_sender_delegate_); |
| } |
| |
| QuicTestPacketMaker::~QuicTestPacketMaker() { |
| for (auto& kv : saved_frames_) { |
| quic::DeleteFrames(&(kv.second)); |
| } |
| } |
| |
| void QuicTestPacketMaker::set_hostname(const std::string& host) { |
| host_.assign(host); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeConnectivityProbingPacket(uint64_t num, |
| bool include_version) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicFramer framer(quic::test::SupportedVersions(version_), |
| clock_->Now(), perspective_, |
| quic::kQuicDefaultConnectionIdLength); |
| size_t max_plaintext_size = |
| framer.GetMaxPlaintextSize(quic::kDefaultMaxPacketSize); |
| char buffer[quic::kDefaultMaxPacketSize]; |
| size_t length; |
| if (version_.transport_version != quic::QUIC_VERSION_99) { |
| length = framer.BuildConnectivityProbingPacket( |
| header_, buffer, max_plaintext_size, encryption_level_); |
| } else if (perspective_ == quic::Perspective::IS_CLIENT) { |
| quic::test::MockRandom rand(0); |
| quic::QuicPathFrameBuffer payload; |
| length = framer.BuildPaddedPathChallengePacket(header_, buffer, |
| max_plaintext_size, &payload, |
| &rand, encryption_level_); |
| } else { |
| quic::test::MockRandom rand(0); |
| quic::QuicPathFrameBuffer payload; |
| rand.RandBytes(payload.data(), payload.size()); |
| quic::QuicDeque<quic::QuicPathFrameBuffer> payloads{payload}; |
| length = framer.BuildPathResponsePacket(header_, buffer, max_plaintext_size, |
| payloads, true, encryption_level_); |
| } |
| size_t encrypted_size = framer.EncryptInPlace( |
| quic::ENCRYPTION_INITIAL, header_.packet_number, |
| GetStartOfEncryptedData(framer.transport_version(), header_), length, |
| quic::kDefaultMaxPacketSize, buffer); |
| EXPECT_EQ(quic::kDefaultMaxPacketSize, encrypted_size); |
| quic::QuicReceivedPacket encrypted(buffer, encrypted_size, clock_->Now(), |
| false); |
| return encrypted.Clone(); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakePingPacket( |
| uint64_t num, |
| bool include_version) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicPingFrame ping; |
| return MakePacket(header_, quic::QuicFrame(ping)); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeDummyCHLOPacket(uint64_t packet_num) { |
| SetEncryptionLevel(quic::ENCRYPTION_INITIAL); |
| InitializeHeader(packet_num, /*include_version=*/true); |
| |
| quic::CryptoHandshakeMessage message = |
| MockCryptoClientStream::GetDummyCHLOMessage(); |
| const quic::QuicData& data = message.GetSerialized(); |
| |
| quic::QuicFrames frames; |
| quic::QuicCryptoFrame crypto_frame; |
| quic::test::SimpleDataProducer producer; |
| quic::QuicStreamFrameDataProducer* producer_p = nullptr; |
| if (!QuicVersionUsesCryptoFrames(version_.transport_version)) { |
| quic::QuicStreamFrame frame( |
| quic::QuicUtils::GetCryptoStreamId(version_.transport_version), |
| /*fin=*/false, /*offset=*/0, data.AsStringPiece()); |
| frames.push_back(quic::QuicFrame(frame)); |
| } else { |
| crypto_frame = |
| quic::QuicCryptoFrame(quic::ENCRYPTION_INITIAL, 0, data.length()); |
| producer.SaveCryptoData(quic::ENCRYPTION_INITIAL, 0, data.AsStringPiece()); |
| frames.push_back(quic::QuicFrame(&crypto_frame)); |
| producer_p = &producer; |
| } |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| quic::QuicPaddingFrame padding; |
| frames.push_back(quic::QuicFrame(padding)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| std::unique_ptr<quic::QuicReceivedPacket> packet = |
| MakeMultipleFramesPacket(header_, frames, producer_p); |
| return packet; |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeAckAndPingPacket(uint64_t num, |
| bool include_version, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = quic::QuicTime::Delta::Zero(); |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| ack.packets.AddRange(quic::QuicPacketNumber(1), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(quic::QuicFrame(&ack)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| frames.push_back(quic::QuicFrame(quic::QuicPingFrame())); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeRstPacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicStreamId stream_id, |
| quic::QuicRstStreamErrorCode error_code) { |
| return MakeRstPacket(num, include_version, stream_id, error_code, |
| /*include_stop_sending_if_v99=*/true); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeRstPacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicStreamId stream_id, |
| quic::QuicRstStreamErrorCode error_code, |
| bool include_stop_sending_if_v99) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicFrames frames; |
| |
| quic::QuicRstStreamFrame rst(1, stream_id, error_code, |
| stream_offsets_[stream_id]); |
| frames.push_back(quic::QuicFrame(&rst)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| // The STOP_SENDING frame must be outside of the if (version==99) so that it |
| // stays in scope until the packet is built. |
| quic::QuicStopSendingFrame stop(1, stream_id, error_code); |
| if (include_stop_sending_if_v99 && |
| version_.transport_version == quic::QUIC_VERSION_99) { |
| frames.push_back(quic::QuicFrame(&stop)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| } |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeStreamsBlockedPacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicStreamCount stream_count, |
| bool unidirectional) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicStreamsBlockedFrame frame(1, stream_count, unidirectional); |
| DVLOG(1) << "Adding frame: " << quic::QuicFrame(frame); |
| return MakePacket(header_, quic::QuicFrame(frame)); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeMaxStreamsPacket(uint64_t num, |
| bool include_version, |
| quic::QuicStreamCount stream_count, |
| bool unidirectional) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicMaxStreamsFrame frame(1, stream_count, unidirectional); |
| DVLOG(1) << "Adding frame: " << quic::QuicFrame(frame); |
| return MakePacket(header_, quic::QuicFrame(frame)); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeRstAndRequestHeadersPacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicStreamId rst_stream_id, |
| quic::QuicRstStreamErrorCode rst_error_code, |
| quic::QuicStreamId stream_id, |
| bool fin, |
| spdy::SpdyPriority priority, |
| spdy::SpdyHeaderBlock headers, |
| quic::QuicStreamId parent_stream_id, |
| size_t* spdy_headers_frame_length) { |
| InitializeHeader(num, include_version); |
| quic::QuicRstStreamFrame rst_frame(1, rst_stream_id, rst_error_code, 0); |
| quic::QuicFrames frames; |
| frames.push_back(quic::QuicFrame(&rst_frame)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| // The STOP_SENDING frame must be outside of the if (version==99) so that it |
| // stays in scope until the packet is built. |
| quic::QuicStopSendingFrame stop(1, rst_stream_id, rst_error_code); |
| if (version_.transport_version == quic::QUIC_VERSION_99) { |
| frames.push_back(quic::QuicFrame(&stop)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| } |
| |
| if (quic::VersionUsesQpack(version_.transport_version)) { |
| // Send SETTINGS frame(s) if they have not already been sent. |
| MaybeAddHttp3SettingsFrames(&frames); |
| |
| std::string priority_data = GenerateHttp3PriorityData(priority, stream_id); |
| |
| frames.push_back(GenerateNextStreamFrame(2, false, priority_data)); |
| |
| // STREAM frames for HEADERS. |
| std::vector<std::string> data = QpackEncodeHeaders( |
| stream_id, std::move(headers), spdy_headers_frame_length); |
| for (const auto& frame : GenerateNextStreamFrames(stream_id, fin, data)) |
| frames.push_back(frame); |
| |
| InitializeHeader(num, include_version); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| spdy::SpdySerializedFrame spdy_frame = MakeSpdyHeadersFrame( |
| stream_id, fin, priority, std::move(headers), parent_stream_id); |
| if (spdy_headers_frame_length) { |
| *spdy_headers_frame_length = spdy_frame.size(); |
| } |
| frames.push_back(GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), spdy_frame.size()))); |
| |
| InitializeHeader(num, include_version); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeAckAndRstPacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicStreamId stream_id, |
| quic::QuicRstStreamErrorCode error_code, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool send_feedback) { |
| return MakeAckAndRstPacket(num, include_version, stream_id, error_code, |
| largest_received, smallest_received, least_unacked, |
| send_feedback, |
| /*include_stop_sending_if_v99=*/true); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeAckAndRstPacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicStreamId stream_id, |
| quic::QuicRstStreamErrorCode error_code, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool send_feedback, |
| bool include_stop_sending_if_v99) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = quic::QuicTime::Delta::Zero(); |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| ack.packets.AddRange(quic::QuicPacketNumber(1), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(quic::QuicFrame(&ack)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| quic::QuicRstStreamFrame rst(1, stream_id, error_code, |
| stream_offsets_[stream_id]); |
| frames.push_back(quic::QuicFrame(&rst)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| // The STOP_SENDING frame must be outside of the if (version==99) so that it |
| // stays in scope until the packet is built. |
| quic::QuicStopSendingFrame stop(1, stream_id, error_code); |
| if (version_.transport_version == quic::QUIC_VERSION_99 && |
| include_stop_sending_if_v99) { |
| frames.push_back(quic::QuicFrame(&stop)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| } |
| |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeRstAckAndConnectionClosePacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicStreamId stream_id, |
| quic::QuicRstStreamErrorCode error_code, |
| quic::QuicTime::Delta ack_delay_time, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| quic::QuicErrorCode quic_error, |
| const std::string& quic_error_details) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicFrames frames; |
| quic::QuicRstStreamFrame rst(1, stream_id, error_code, 0); |
| frames.push_back(quic::QuicFrame(&rst)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| // The STOP_SENDING frame must be outside of the if (version==99) so that it |
| // stays in scope until the packet is built. |
| quic::QuicStopSendingFrame stop( |
| 1, stream_id, static_cast<quic::QuicApplicationErrorCode>(error_code)); |
| if (version_.transport_version == quic::QUIC_VERSION_99) { |
| frames.push_back(quic::QuicFrame(&stop)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| } |
| |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = ack_delay_time; |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| ack.packets.AddRange(quic::QuicPacketNumber(1), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| frames.push_back(quic::QuicFrame(&ack)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| quic::QuicConnectionCloseFrame close(version_.transport_version, quic_error, |
| quic_error_details, |
| /*transport_close_frame_type=*/0); |
| |
| frames.push_back(quic::QuicFrame(&close)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeAckAndConnectionClosePacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicTime::Delta ack_delay_time, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| quic::QuicErrorCode quic_error, |
| const std::string& quic_error_details, |
| uint64_t frame_type) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = ack_delay_time; |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| ack.packets.AddRange(quic::QuicPacketNumber(1), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(quic::QuicFrame(&ack)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| quic::QuicConnectionCloseFrame close(version_.transport_version, quic_error, |
| quic_error_details, frame_type); |
| |
| frames.push_back(quic::QuicFrame(&close)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeConnectionClosePacket( |
| uint64_t num, |
| bool include_version, |
| quic::QuicErrorCode quic_error, |
| const std::string& quic_error_details) { |
| InitializeHeader(num, include_version); |
| |
| quic::QuicConnectionCloseFrame close(version_.transport_version, quic_error, |
| quic_error_details, |
| /*transport_close_frame_type=*/0); |
| |
| return MakePacket(header_, quic::QuicFrame(&close)); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeGoAwayPacket( |
| uint64_t num, |
| quic::QuicErrorCode error_code, |
| std::string reason_phrase) { |
| InitializeHeader(num, /*include_version=*/false); |
| |
| quic::QuicGoAwayFrame goaway; |
| goaway.error_code = error_code; |
| goaway.last_good_stream_id = 0; |
| goaway.reason_phrase = reason_phrase; |
| return MakePacket(header_, quic::QuicFrame(&goaway)); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeAckPacket( |
| uint64_t packet_number, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool send_feedback) { |
| return MakeAckPacket(packet_number, 1, largest_received, smallest_received, |
| least_unacked, send_feedback, |
| quic::QuicTime::Delta::Zero()); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeAckPacket( |
| uint64_t packet_number, |
| uint64_t first_received, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool send_feedback) { |
| return MakeAckPacket(packet_number, first_received, largest_received, |
| smallest_received, least_unacked, send_feedback, |
| quic::QuicTime::Delta::Zero()); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeAckPacket( |
| uint64_t packet_number, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool send_feedback, |
| quic::QuicTime::Delta ack_delay_time) { |
| return MakeAckPacket(packet_number, 1, largest_received, smallest_received, |
| least_unacked, send_feedback, ack_delay_time); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeAckPacket( |
| uint64_t packet_number, |
| uint64_t first_received, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool send_feedback, |
| quic::QuicTime::Delta ack_delay_time) { |
| InitializeHeader(packet_number, /*include_version=*/false); |
| |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = ack_delay_time; |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| DCHECK_GE(largest_received, first_received); |
| ack.packets.AddRange(quic::QuicPacketNumber(first_received), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| quic::QuicFramer framer(quic::test::SupportedVersions(version_), |
| clock_->Now(), perspective_, |
| quic::kQuicDefaultConnectionIdLength); |
| quic::QuicFrames frames; |
| quic::QuicFrame ack_frame(&ack); |
| frames.push_back(ack_frame); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| size_t max_plaintext_size = |
| framer.GetMaxPlaintextSize(quic::kDefaultMaxPacketSize); |
| size_t ack_frame_length = framer.GetSerializedFrameLength( |
| ack_frame, max_plaintext_size, /*first_frame*/ true, /*last_frame*/ false, |
| header_.packet_number_length); |
| const size_t min_plaintext_size = 7; |
| if (version_.HasHeaderProtection() && ack_frame_length < min_plaintext_size) { |
| size_t padding_length = min_plaintext_size - ack_frame_length; |
| frames.push_back(quic::QuicFrame(quic::QuicPaddingFrame(padding_length))); |
| } |
| |
| std::unique_ptr<quic::QuicPacket> packet( |
| quic::test::BuildUnsizedDataPacket(&framer, header_, frames)); |
| char buffer[quic::kMaxOutgoingPacketSize]; |
| size_t encrypted_size = |
| framer.EncryptPayload(quic::ENCRYPTION_INITIAL, header_.packet_number, |
| *packet, buffer, quic::kMaxOutgoingPacketSize); |
| EXPECT_NE(0u, encrypted_size); |
| quic::QuicReceivedPacket encrypted(buffer, encrypted_size, clock_->Now(), |
| false); |
| return encrypted.Clone(); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeDataPacket( |
| uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| bool should_include_version, |
| bool fin, |
| quic::QuicStringPiece data) { |
| InitializeHeader(packet_number, should_include_version); |
| return MakePacket(header_, GenerateNextStreamFrame(stream_id, fin, data)); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeMultipleDataFramesPacket( |
| uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| bool should_include_version, |
| bool fin, |
| const std::vector<std::string>& data_writes) { |
| InitializeHeader(packet_number, should_include_version); |
| quic::QuicFrames data_frames; |
| for (size_t i = 0; i < data_writes.size(); ++i) { |
| bool is_fin = fin && (i == data_writes.size() - 1); |
| data_frames.push_back( |
| GenerateNextStreamFrame(stream_id, is_fin, data_writes[i])); |
| } |
| return MakeMultipleFramesPacket(header_, data_frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeAckAndDataPacket(uint64_t packet_number, |
| bool include_version, |
| quic::QuicStreamId stream_id, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool fin, |
| quic::QuicStringPiece data) { |
| InitializeHeader(packet_number, include_version); |
| |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = quic::QuicTime::Delta::Zero(); |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| ack.packets.AddRange(quic::QuicPacketNumber(1), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(quic::QuicFrame(&ack)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| frames.push_back(GenerateNextStreamFrame(stream_id, fin, data)); |
| |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeAckAndMultipleDataFramesPacket( |
| uint64_t packet_number, |
| bool include_version, |
| quic::QuicStreamId stream_id, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| bool fin, |
| const std::vector<std::string>& data_writes) { |
| InitializeHeader(packet_number, include_version); |
| |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = quic::QuicTime::Delta::Zero(); |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| ack.packets.AddRange(quic::QuicPacketNumber(1), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(quic::QuicFrame(&ack)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| for (size_t i = 0; i < data_writes.size(); ++i) { |
| bool is_fin = fin && (i == data_writes.size() - 1); |
| frames.push_back(GenerateNextStreamFrame( |
| stream_id, is_fin, quic::QuicStringPiece(data_writes[i]))); |
| } |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeRequestHeadersAndMultipleDataFramesPacket( |
| uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| bool should_include_version, |
| bool fin, |
| spdy::SpdyPriority priority, |
| spdy::SpdyHeaderBlock headers, |
| quic::QuicStreamId parent_stream_id, |
| size_t* spdy_headers_frame_length, |
| const std::vector<std::string>& data_writes) { |
| InitializeHeader(packet_number, should_include_version); |
| if (quic::VersionUsesQpack(version_.transport_version)) { |
| quic::QuicFrames frames; |
| |
| // Send SETTINGS frame(s) if they have not already been sent. |
| MaybeAddHttp3SettingsFrames(&frames); |
| |
| std::string priority_data = GenerateHttp3PriorityData(priority, stream_id); |
| frames.push_back(GenerateNextStreamFrame(2, false, priority_data)); |
| |
| // STREAM frames for HEADERS. |
| std::vector<std::string> data = QpackEncodeHeaders( |
| stream_id, std::move(headers), spdy_headers_frame_length); |
| |
| for (const auto& frame : GenerateNextStreamFrames(stream_id, false, data)) |
| frames.push_back(frame); |
| |
| // STREAM frames for DATA. |
| for (size_t i = 0; i < data_writes.size(); ++i) { |
| bool is_fin = fin && (i == data_writes.size() - 1); |
| frames.push_back(GenerateNextStreamFrame( |
| stream_id, is_fin, quic::QuicStringPiece(data_writes[i]))); |
| } |
| |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| spdy::SpdySerializedFrame spdy_frame = |
| MakeSpdyHeadersFrame(stream_id, fin && data_writes.empty(), priority, |
| std::move(headers), parent_stream_id); |
| |
| if (spdy_headers_frame_length) { |
| *spdy_headers_frame_length = spdy_frame.size(); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), spdy_frame.size()))); |
| |
| // quic::QuicFrame takes a raw pointer. Use a std::vector here so we keep |
| // StreamFrames alive until MakeMultipleFramesPacket is done. |
| std::vector<std::unique_ptr<quic::QuicStreamFrame>> stream_frames; |
| for (size_t i = 0; i < data_writes.size(); ++i) { |
| bool is_fin = fin && (i == data_writes.size() - 1); |
| frames.push_back(GenerateNextStreamFrame( |
| stream_id, is_fin, quic::QuicStringPiece(data_writes[i]))); |
| } |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeRequestHeadersPacket( |
| uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| bool should_include_version, |
| bool fin, |
| spdy::SpdyPriority priority, |
| spdy::SpdyHeaderBlock headers, |
| quic::QuicStreamId parent_stream_id, |
| size_t* spdy_headers_frame_length) { |
| InitializeHeader(packet_number, should_include_version); |
| |
| if (quic::VersionUsesQpack(version_.transport_version)) { |
| quic::QuicFrames frames; |
| |
| // Send SETTINGS frame(s) if they have not already been sent. |
| MaybeAddHttp3SettingsFrames(&frames); |
| |
| std::string priority_data = GenerateHttp3PriorityData(priority, stream_id); |
| frames.push_back(GenerateNextStreamFrame(2, false, priority_data)); |
| |
| std::vector<std::string> data = QpackEncodeHeaders( |
| stream_id, std::move(headers), spdy_headers_frame_length); |
| |
| for (const auto& frame : GenerateNextStreamFrames(stream_id, fin, data)) |
| frames.push_back(frame); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| spdy::SpdySerializedFrame spdy_frame = MakeSpdyHeadersFrame( |
| stream_id, fin, priority, std::move(headers), parent_stream_id); |
| |
| if (spdy_headers_frame_length) |
| *spdy_headers_frame_length = spdy_frame.size(); |
| |
| return MakePacket(header_, GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), |
| spdy_frame.size()))); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeRequestHeadersAndRstPacket( |
| uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| bool should_include_version, |
| bool fin, |
| spdy::SpdyPriority priority, |
| spdy::SpdyHeaderBlock headers, |
| quic::QuicStreamId parent_stream_id, |
| size_t* spdy_headers_frame_length, |
| quic::QuicRstStreamErrorCode error_code) { |
| if (quic::VersionUsesQpack(version_.transport_version)) { |
| quic::QuicFrames frames; |
| |
| // Send SETTINGS frame(s) if they have not already been sent. |
| MaybeAddHttp3SettingsFrames(&frames); |
| |
| std::string priority_data = GenerateHttp3PriorityData(priority, stream_id); |
| frames.push_back(GenerateNextStreamFrame(2, false, priority_data)); |
| |
| std::vector<std::string> data = QpackEncodeHeaders( |
| stream_id, std::move(headers), spdy_headers_frame_length); |
| |
| for (const auto& frame : GenerateNextStreamFrames(stream_id, fin, data)) |
| frames.push_back(frame); |
| |
| quic::QuicRstStreamFrame rst_frame(1, stream_id, error_code, |
| stream_offsets_[stream_id]); |
| frames.push_back(quic::QuicFrame(&rst_frame)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| quic::QuicStopSendingFrame stop(1, stream_id, error_code); |
| frames.push_back(quic::QuicFrame(&stop)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| InitializeHeader(packet_number, should_include_version); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| spdy::SpdySerializedFrame spdy_frame = MakeSpdyHeadersFrame( |
| stream_id, fin, priority, std::move(headers), parent_stream_id); |
| if (spdy_headers_frame_length) { |
| *spdy_headers_frame_length = spdy_frame.size(); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), spdy_frame.size()))); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| quic::QuicRstStreamFrame rst_frame(1, stream_id, error_code, |
| stream_offsets_[stream_id]); |
| |
| frames.push_back(quic::QuicFrame(&rst_frame)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| // The STOP_SENDING frame must be outside of the if (version==99) so that it |
| // stays in scope until the packet is built. |
| quic::QuicStopSendingFrame stop(1, stream_id, error_code); |
| if (version_.transport_version == quic::QUIC_VERSION_99) { |
| frames.push_back(quic::QuicFrame(&stop)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| } |
| |
| InitializeHeader(packet_number, should_include_version); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| spdy::SpdySerializedFrame QuicTestPacketMaker::MakeSpdyHeadersFrame( |
| quic::QuicStreamId stream_id, |
| bool fin, |
| spdy::SpdyPriority priority, |
| spdy::SpdyHeaderBlock headers, |
| quic::QuicStreamId parent_stream_id) { |
| spdy::SpdyHeadersIR headers_frame(stream_id, std::move(headers)); |
| headers_frame.set_fin(fin); |
| headers_frame.set_weight(spdy::Spdy3PriorityToHttp2Weight(priority)); |
| headers_frame.set_has_priority(true); |
| |
| if (client_headers_include_h2_stream_dependency_) { |
| headers_frame.set_parent_stream_id(parent_stream_id); |
| headers_frame.set_exclusive(true); |
| } else { |
| headers_frame.set_parent_stream_id(0); |
| headers_frame.set_exclusive(false); |
| } |
| |
| return spdy_request_framer_.SerializeFrame(headers_frame); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakePushPromisePacket( |
| uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| quic::QuicStreamId promised_stream_id, |
| bool should_include_version, |
| bool fin, |
| spdy::SpdyHeaderBlock headers, |
| size_t* spdy_headers_frame_length) { |
| if (quic::VersionUsesQpack(version_.transport_version)) { |
| std::string encoded_headers = |
| qpack_encoder_.EncodeHeaderList(stream_id, headers, nullptr); |
| quic::QuicFrames frames; |
| quic::PushPromiseFrame frame; |
| frame.push_id = promised_stream_id; |
| frame.headers = encoded_headers; |
| std::unique_ptr<char[]> buffer; |
| quic::QuicByteCount frame_length = |
| http_encoder_.SerializePushPromiseFrameWithOnlyPushId(frame, &buffer); |
| std::string push_promise_data(buffer.get(), frame_length); |
| frames.push_back( |
| GenerateNextStreamFrame(stream_id, false, push_promise_data)); |
| frames.push_back( |
| GenerateNextStreamFrame(stream_id, false, encoded_headers)); |
| InitializeHeader(packet_number, should_include_version); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| InitializeHeader(packet_number, should_include_version); |
| spdy::SpdySerializedFrame spdy_frame; |
| spdy::SpdyPushPromiseIR promise_frame(stream_id, promised_stream_id, |
| std::move(headers)); |
| promise_frame.set_fin(fin); |
| spdy_frame = spdy_request_framer_.SerializeFrame(promise_frame); |
| if (spdy_headers_frame_length) { |
| *spdy_headers_frame_length = spdy_frame.size(); |
| } |
| return MakePacket(header_, GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), |
| spdy_frame.size()))); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeForceHolDataPacket(uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| bool should_include_version, |
| bool fin, |
| quic::QuicStreamOffset* offset, |
| quic::QuicStringPiece data) { |
| spdy::SpdyDataIR spdy_data(stream_id, data); |
| spdy_data.set_fin(fin); |
| spdy::SpdySerializedFrame spdy_frame( |
| spdy_request_framer_.SerializeFrame(spdy_data)); |
| InitializeHeader(packet_number, should_include_version); |
| quic::QuicStreamFrame quic_frame( |
| GetHeadersStreamId(), false, *offset, |
| quic::QuicStringPiece(spdy_frame.data(), spdy_frame.size())); |
| *offset += spdy_frame.size(); |
| return MakePacket(header_, quic::QuicFrame(quic_frame)); |
| } |
| |
| // If |offset| is provided, will use the value when creating the packet. |
| // Will also update the value after packet creation. |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeResponseHeadersPacket( |
| uint64_t packet_number, |
| quic::QuicStreamId stream_id, |
| bool should_include_version, |
| bool fin, |
| spdy::SpdyHeaderBlock headers, |
| size_t* spdy_headers_frame_length) { |
| InitializeHeader(packet_number, should_include_version); |
| |
| if (quic::VersionUsesQpack(version_.transport_version)) { |
| // STREAM frames for HEADERS. |
| std::vector<std::string> data = QpackEncodeHeaders( |
| stream_id, std::move(headers), spdy_headers_frame_length); |
| |
| quic::QuicFrames frames; |
| for (const auto& frame : GenerateNextStreamFrames(stream_id, fin, data)) |
| frames.push_back(frame); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| spdy::SpdySerializedFrame spdy_frame; |
| spdy::SpdyHeadersIR headers_frame(stream_id, std::move(headers)); |
| headers_frame.set_fin(fin); |
| spdy_frame = spdy_response_framer_.SerializeFrame(headers_frame); |
| |
| if (spdy_headers_frame_length) { |
| *spdy_headers_frame_length = spdy_frame.size(); |
| } |
| return MakePacket(header_, GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), |
| spdy_frame.size()))); |
| } |
| |
| spdy::SpdyHeaderBlock QuicTestPacketMaker::GetRequestHeaders( |
| const std::string& method, |
| const std::string& scheme, |
| const std::string& path) { |
| spdy::SpdyHeaderBlock headers; |
| headers[":method"] = method; |
| headers[":authority"] = host_; |
| headers[":scheme"] = scheme; |
| headers[":path"] = path; |
| return headers; |
| } |
| |
| spdy::SpdyHeaderBlock QuicTestPacketMaker::ConnectRequestHeaders( |
| const std::string& host_port) { |
| spdy::SpdyHeaderBlock headers; |
| headers[":method"] = "CONNECT"; |
| headers[":authority"] = host_port; |
| return headers; |
| } |
| |
| spdy::SpdyHeaderBlock QuicTestPacketMaker::GetResponseHeaders( |
| const std::string& status) { |
| spdy::SpdyHeaderBlock headers; |
| headers[":status"] = status; |
| headers["content-type"] = "text/plain"; |
| return headers; |
| } |
| |
| spdy::SpdyHeaderBlock QuicTestPacketMaker::GetResponseHeaders( |
| const std::string& status, |
| const std::string& alt_svc) { |
| spdy::SpdyHeaderBlock headers; |
| headers[":status"] = status; |
| headers["alt-svc"] = alt_svc; |
| headers["content-type"] = "text/plain"; |
| return headers; |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakePacket( |
| const quic::QuicPacketHeader& header, |
| const quic::QuicFrame& frame) { |
| quic::QuicFrames frames; |
| frames.push_back(frame); |
| return MakeMultipleFramesPacket(header, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeMultipleFramesPacket( |
| const quic::QuicPacketHeader& header, |
| const quic::QuicFrames& frames, |
| quic::QuicStreamFrameDataProducer* data_producer) { |
| quic::QuicFramer framer(quic::test::SupportedVersions(version_), |
| clock_->Now(), perspective_, |
| quic::kQuicDefaultConnectionIdLength); |
| if (data_producer != nullptr) { |
| framer.set_data_producer(data_producer); |
| } |
| quic::QuicFrames frames_copy = CloneFrames(frames); |
| size_t max_plaintext_size = |
| framer.GetMaxPlaintextSize(quic::kDefaultMaxPacketSize); |
| if (version_.HasHeaderProtection()) { |
| size_t packet_size = |
| quic::GetPacketHeaderSize(version_.transport_version, header); |
| size_t frames_size = 0; |
| for (size_t i = 0; i < frames.size(); ++i) { |
| bool first_frame = i == 0; |
| bool last_frame = i == frames.size() - 1; |
| const size_t frame_size = framer.GetSerializedFrameLength( |
| frames[i], max_plaintext_size - packet_size, first_frame, last_frame, |
| header.packet_number_length); |
| packet_size += frame_size; |
| frames_size += frame_size; |
| } |
| // This should be done by calling QuicPacketCreator::MinPlaintextPacketSize. |
| const size_t min_plaintext_size = 7; |
| if (frames_size < min_plaintext_size) { |
| size_t padding_length = min_plaintext_size - frames_size; |
| frames_copy.push_back( |
| quic::QuicFrame(quic::QuicPaddingFrame(padding_length))); |
| } |
| } |
| std::unique_ptr<quic::QuicPacket> packet(quic::test::BuildUnsizedDataPacket( |
| &framer, header, frames_copy, max_plaintext_size)); |
| char buffer[quic::kMaxOutgoingPacketSize]; |
| size_t encrypted_size = |
| framer.EncryptPayload(quic::ENCRYPTION_INITIAL, header.packet_number, |
| *packet, buffer, quic::kMaxOutgoingPacketSize); |
| EXPECT_NE(0u, encrypted_size); |
| quic::QuicReceivedPacket encrypted(buffer, encrypted_size, clock_->Now(), |
| false); |
| if (save_packet_frames_) { |
| saved_frames_[header.packet_number] = frames_copy; |
| } else { |
| saved_stream_data_.clear(); |
| DeleteFrames(&frames_copy); |
| } |
| return encrypted.Clone(); |
| } |
| |
| void QuicTestPacketMaker::InitializeHeader(uint64_t packet_number, |
| bool should_include_version) { |
| header_.destination_connection_id = DestinationConnectionId(); |
| header_.destination_connection_id_included = HasDestinationConnectionId(); |
| header_.source_connection_id = SourceConnectionId(); |
| header_.source_connection_id_included = HasSourceConnectionId(); |
| header_.reset_flag = false; |
| header_.version_flag = ShouldIncludeVersion(should_include_version); |
| header_.long_packet_type = long_header_type_; |
| header_.packet_number_length = GetPacketNumberLength(); |
| header_.packet_number = quic::QuicPacketNumber(packet_number); |
| if (quic::QuicVersionHasLongHeaderLengths(version_.transport_version) && |
| header_.version_flag) { |
| if (long_header_type_ == quic::INITIAL) { |
| header_.retry_token_length_length = |
| quic::VARIABLE_LENGTH_INTEGER_LENGTH_1; |
| } |
| header_.length_length = quic::VARIABLE_LENGTH_INTEGER_LENGTH_2; |
| } |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeSettingsPacket(uint64_t packet_number, |
| bool should_include_version) { |
| if (!quic::VersionHasStreamType(version_.transport_version)) { |
| spdy::SpdySettingsIR settings_frame; |
| settings_frame.AddSetting(spdy::SETTINGS_MAX_HEADER_LIST_SIZE, |
| kQuicMaxHeaderListSize); |
| spdy::SpdySerializedFrame spdy_frame( |
| spdy_request_framer_.SerializeFrame(settings_frame)); |
| InitializeHeader(packet_number, should_include_version); |
| return MakePacket(header_, GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), |
| spdy_frame.size()))); |
| } |
| |
| quic::QuicFrames frames; |
| MaybeAddHttp3SettingsFrames(&frames); |
| InitializeHeader(packet_number, /*should_include_version*/ true); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeInitialSettingsPacket(uint64_t packet_number) { |
| if (!quic::VersionHasStreamType(version_.transport_version)) { |
| spdy::SpdySettingsIR settings_frame; |
| settings_frame.AddSetting(spdy::SETTINGS_MAX_HEADER_LIST_SIZE, |
| kQuicMaxHeaderListSize); |
| spdy::SpdySerializedFrame spdy_frame( |
| spdy_request_framer_.SerializeFrame(settings_frame)); |
| InitializeHeader(packet_number, /*should_include_version*/ true); |
| return MakePacket(header_, GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), |
| spdy_frame.size()))); |
| } |
| quic::QuicFrames frames; |
| |
| MaybeAddHttp3SettingsFrames(&frames); |
| |
| InitializeHeader(packet_number, /*should_include_version*/ true); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakePriorityPacket(uint64_t packet_number, |
| bool should_include_version, |
| quic::QuicStreamId id, |
| quic::QuicStreamId parent_stream_id, |
| spdy::SpdyPriority priority) { |
| if (!client_headers_include_h2_stream_dependency_ || |
| quic::VersionUsesQpack(version_.transport_version)) { |
| // TODO(rch): both stream_dependencies and priority frames need to be |
| // supported in IETF QUIC. |
| parent_stream_id = 0; |
| } |
| int weight = spdy::Spdy3PriorityToHttp2Weight(priority); |
| bool exclusive = client_headers_include_h2_stream_dependency_; |
| if (!VersionUsesQpack(version_.transport_version)) { |
| spdy::SpdyPriorityIR priority_frame(id, parent_stream_id, weight, |
| exclusive); |
| spdy::SpdySerializedFrame spdy_frame( |
| spdy_request_framer_.SerializeFrame(priority_frame)); |
| |
| InitializeHeader(packet_number, should_include_version); |
| return MakePacket(header_, GenerateNextStreamFrame( |
| GetHeadersStreamId(), false, |
| quic::QuicStringPiece(spdy_frame.data(), |
| spdy_frame.size()))); |
| } |
| quic::PriorityFrame frame; |
| frame.weight = weight; |
| frame.exclusive = true; |
| frame.prioritized_element_id = id; |
| frame.element_dependency_id = parent_stream_id; |
| frame.dependency_type = quic::REQUEST_STREAM; |
| frame.prioritized_type = |
| quic::QuicUtils::IsServerInitiatedStreamId(version_.transport_version, id) |
| ? quic::PUSH_STREAM |
| : quic::REQUEST_STREAM; |
| std::unique_ptr<char[]> buffer; |
| quic::QuicByteCount frame_length = |
| http_encoder_.SerializePriorityFrame(frame, &buffer); |
| std::string priority_data = std::string(buffer.get(), frame_length); |
| |
| InitializeHeader(packet_number, should_include_version); |
| return MakePacket(header_, GenerateNextStreamFrame(2, false, priority_data)); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeAckAndMultiplePriorityFramesPacket( |
| uint64_t packet_number, |
| bool should_include_version, |
| uint64_t largest_received, |
| uint64_t smallest_received, |
| uint64_t least_unacked, |
| const std::vector<Http2StreamDependency>& priority_frames) { |
| quic::QuicAckFrame ack(MakeAckFrame(largest_received)); |
| ack.ack_delay_time = quic::QuicTime::Delta::Zero(); |
| for (uint64_t i = smallest_received; i <= largest_received; ++i) { |
| ack.received_packet_times.push_back( |
| std::make_pair(quic::QuicPacketNumber(i), clock_->Now())); |
| } |
| if (largest_received > 0) { |
| ack.packets.AddRange(quic::QuicPacketNumber(1), |
| quic::QuicPacketNumber(largest_received + 1)); |
| } |
| quic::QuicFrames frames; |
| frames.push_back(quic::QuicFrame(&ack)); |
| DVLOG(1) << "Adding frame: " << frames.back(); |
| |
| const bool exclusive = client_headers_include_h2_stream_dependency_; |
| // Keep SpdySerializedFrames alive until MakeMultipleFramesPacket is done. |
| std::vector<std::unique_ptr<spdy::SpdySerializedFrame>> spdy_frames; |
| for (const Http2StreamDependency& info : priority_frames) { |
| spdy::SpdyPriorityIR priority_frame( |
| info.stream_id, info.parent_stream_id, |
| spdy::Spdy3PriorityToHttp2Weight(info.spdy_priority), exclusive); |
| |
| spdy_frames.push_back(std::make_unique<spdy::SpdySerializedFrame>( |
| spdy_request_framer_.SerializeFrame(priority_frame))); |
| |
| spdy::SpdySerializedFrame* spdy_frame = spdy_frames.back().get(); |
| frames.push_back(GenerateNextStreamFrame( |
| quic::VersionUsesQpack(version_.transport_version) |
| ? GetFirstBidirectionalStreamId() |
| : GetHeadersStreamId(), |
| false, quic::QuicStringPiece(spdy_frame->data(), spdy_frame->size()))); |
| } |
| |
| InitializeHeader(packet_number, should_include_version); |
| return MakeMultipleFramesPacket(header_, frames, nullptr); |
| } |
| |
| std::unique_ptr<quic::QuicReceivedPacket> |
| QuicTestPacketMaker::MakeRetransmissionPacket(uint64_t original_packet_number, |
| uint64_t new_packet_number, |
| bool should_include_version) { |
| DCHECK(save_packet_frames_); |
| InitializeHeader(new_packet_number, should_include_version); |
| return MakeMultipleFramesPacket( |
| header_, saved_frames_[quic::QuicPacketNumber(original_packet_number)], |
| nullptr); |
| } |
| |
| void QuicTestPacketMaker::RemoveSavedStreamFrames( |
| quic::QuicStreamId stream_id) { |
| for (auto& kv : saved_frames_) { |
| auto it = kv.second.begin(); |
| while (it != kv.second.end()) { |
| if (it->type == quic::STREAM_FRAME && |
| it->stream_frame.stream_id == stream_id) { |
| it = kv.second.erase(it); |
| } else { |
| ++it; |
| } |
| } |
| } |
| } |
| |
| void QuicTestPacketMaker::SetEncryptionLevel(quic::EncryptionLevel level) { |
| encryption_level_ = level; |
| switch (level) { |
| case quic::ENCRYPTION_INITIAL: |
| long_header_type_ = quic::INITIAL; |
| break; |
| case quic::ENCRYPTION_ZERO_RTT: |
| long_header_type_ = quic::ZERO_RTT_PROTECTED; |
| break; |
| case quic::ENCRYPTION_FORWARD_SECURE: |
| long_header_type_ = quic::INVALID_PACKET_TYPE; |
| break; |
| default: |
| QUIC_BUG << quic::QuicUtils::EncryptionLevelToString(level); |
| long_header_type_ = quic::INVALID_PACKET_TYPE; |
| } |
| } |
| |
| bool QuicTestPacketMaker::ShouldIncludeVersion(bool include_version) const { |
| if (version_.transport_version > quic::QUIC_VERSION_43) { |
| return encryption_level_ < quic::ENCRYPTION_FORWARD_SECURE; |
| } |
| return include_version; |
| } |
| |
| std::string QuicTestPacketMaker::MaybePrependErrorCode( |
| const std::string& quic_error_details, |
| quic::QuicErrorCode quic_error_code) const { |
| if (!quic::VersionHasIetfQuicFrames(version_.transport_version) || |
| quic_error_code == quic::QUIC_IETF_GQUIC_ERROR_MISSING) { |
| // QUIC_IETF_GQUIC_ERROR_MISSING means not to encode the error value. |
| return quic_error_details; |
| } |
| return base::StrCat( |
| {base::NumberToString(quic_error_code), ":", quic_error_details}); |
| } |
| |
| quic::QuicFrame QuicTestPacketMaker::GenerateNextStreamFrame( |
| quic::QuicStreamId stream_id, |
| bool fin, |
| quic::QuicStringPiece data) { |
| // Save the stream data so that callers can use temporary objects for data. |
| saved_stream_data_.push_back(std::make_unique<std::string>(data)); |
| data = *saved_stream_data_.back(); |
| |
| quic::QuicStreamFrame frame(stream_id, fin, stream_offsets_[stream_id], data); |
| stream_offsets_[stream_id] += data.length(); |
| DVLOG(1) << "Adding frame: " << frame; |
| return quic::QuicFrame(frame); |
| } |
| |
| std::vector<std::string> QuicTestPacketMaker::QpackEncodeHeaders( |
| quic::QuicStreamId stream_id, |
| spdy::SpdyHeaderBlock headers, |
| size_t* encoded_data_length) { |
| DCHECK(quic::VersionUsesQpack(version_.transport_version)); |
| std::vector<std::string> data; |
| |
| std::string encoded_headers = |
| qpack_encoder_.EncodeHeaderList(stream_id, headers, nullptr); |
| |
| // Generate HEADERS frame header. |
| std::unique_ptr<char[]> headers_frame_header; |
| const size_t headers_frame_header_length = |
| http_encoder_.SerializeHeadersFrameHeader(encoded_headers.size(), |
| &headers_frame_header); |
| |
| // Possible add a PUSH stream type. |
| if (!quic::QuicUtils::IsBidirectionalStreamId(stream_id) && |
| stream_offsets_[stream_id] == 0) { |
| // Push stream type header |
| data.push_back("\x01"); |
| } |
| |
| // Add the HEADERS frame header. |
| data.push_back( |
| std::string(headers_frame_header.get(), headers_frame_header_length)); |
| // Add the HEADERS frame payload. |
| data.push_back(encoded_headers); |
| |
| if (coalesce_http_frames_) { |
| std::string coalesced; |
| for (const auto& d : data) { |
| coalesced += d; |
| } |
| data = {coalesced}; |
| } |
| |
| // Compute the total data length. |
| if (encoded_data_length) { |
| *encoded_data_length = 0; |
| for (const auto& d : data) |
| *encoded_data_length += d.length(); |
| } |
| return data; |
| } |
| |
| std::vector<quic::QuicFrame> QuicTestPacketMaker::GenerateNextStreamFrames( |
| quic::QuicStreamId stream_id, |
| bool fin, |
| const std::vector<std::string>& data) { |
| std::vector<quic::QuicFrame> frames; |
| for (size_t i = 0; i < data.size(); ++i) { |
| const bool frame_fin = i == data.size() - 1 && fin; |
| frames.push_back(GenerateNextStreamFrame(stream_id, frame_fin, data[i])); |
| } |
| return frames; |
| } |
| |
| quic::QuicPacketNumberLength QuicTestPacketMaker::GetPacketNumberLength() |
| const { |
| if (version_.transport_version > quic::QUIC_VERSION_43 && |
| encryption_level_ < quic::ENCRYPTION_FORWARD_SECURE && |
| !version_.SendsVariableLengthPacketNumberInLongHeader()) { |
| return quic::PACKET_4BYTE_PACKET_NUMBER; |
| } |
| return quic::PACKET_1BYTE_PACKET_NUMBER; |
| } |
| |
| quic::QuicConnectionId QuicTestPacketMaker::DestinationConnectionId() const { |
| if (perspective_ == quic::Perspective::IS_SERVER) { |
| return quic::EmptyQuicConnectionId(); |
| } |
| return connection_id_; |
| } |
| |
| quic::QuicConnectionId QuicTestPacketMaker::SourceConnectionId() const { |
| if (perspective_ == quic::Perspective::IS_CLIENT) { |
| return quic::EmptyQuicConnectionId(); |
| } |
| return connection_id_; |
| } |
| |
| quic::QuicConnectionIdIncluded QuicTestPacketMaker::HasDestinationConnectionId() |
| const { |
| if (!version_.SupportsClientConnectionIds() && |
| perspective_ == quic::Perspective::IS_SERVER) { |
| return quic::CONNECTION_ID_ABSENT; |
| } |
| return quic::CONNECTION_ID_PRESENT; |
| } |
| |
| quic::QuicConnectionIdIncluded QuicTestPacketMaker::HasSourceConnectionId() |
| const { |
| if (version_.SupportsClientConnectionIds() || |
| (perspective_ == quic::Perspective::IS_SERVER && |
| encryption_level_ < quic::ENCRYPTION_FORWARD_SECURE)) { |
| return quic::CONNECTION_ID_PRESENT; |
| } |
| return quic::CONNECTION_ID_ABSENT; |
| } |
| |
| void QuicTestPacketMaker::Reset() { |
| for (const auto& kv : stream_offsets_) |
| stream_offsets_[kv.first] = 0; |
| } |
| |
| quic::QuicStreamId QuicTestPacketMaker::GetFirstBidirectionalStreamId() const { |
| return quic::QuicUtils::GetFirstBidirectionalStreamId( |
| version_.transport_version, perspective_); |
| } |
| |
| quic::QuicStreamId QuicTestPacketMaker::GetHeadersStreamId() const { |
| return quic::QuicUtils::GetHeadersStreamId(version_.transport_version); |
| } |
| |
| std::string QuicTestPacketMaker::GenerateHttp3SettingsData() { |
| quic::SettingsFrame settings; |
| settings.values[quic::SETTINGS_MAX_HEADER_LIST_SIZE] = kQuicMaxHeaderListSize; |
| settings.values[quic::SETTINGS_QPACK_MAX_TABLE_CAPACITY] = |
| quic::kDefaultQpackMaxDynamicTableCapacity; |
| std::unique_ptr<char[]> buffer; |
| quic::QuicByteCount frame_length = |
| http_encoder_.SerializeSettingsFrame(settings, &buffer); |
| return std::string(buffer.get(), frame_length); |
| } |
| |
| std::string QuicTestPacketMaker::GenerateHttp3PriorityData( |
| spdy::SpdyPriority priority, |
| quic::QuicStreamId stream_id) { |
| quic::PriorityFrame frame; |
| frame.weight = priority; |
| frame.dependency_type = quic::ROOT_OF_TREE; |
| frame.prioritized_type = quic::REQUEST_STREAM; |
| frame.prioritized_element_id = stream_id; |
| |
| std::unique_ptr<char[]> buffer; |
| quic::QuicByteCount frame_length = |
| http_encoder_.SerializePriorityFrame(frame, &buffer); |
| return std::string(buffer.get(), frame_length); |
| } |
| |
| void QuicTestPacketMaker::MaybeAddHttp3SettingsFrames( |
| quic::QuicFrames* frames) { |
| DCHECK(quic::VersionUsesQpack(version_.transport_version)); |
| |
| quic::QuicStreamId stream_id = |
| quic::QuicUtils::GetFirstUnidirectionalStreamId( |
| version_.transport_version, perspective_); |
| |
| if (stream_offsets_[stream_id] != 0) |
| return; |
| |
| // A stream frame containing stream type will be written on the control |
| // stream first. |
| std::string type(1, 0x00); |
| std::string settings_data = GenerateHttp3SettingsData(); |
| |
| // The type and the SETTINGS frame may be sent in multiple QUIC STREAM |
| // frames. |
| std::vector<std::string> data; |
| if (coalesce_http_frames_) { |
| data = {type + settings_data}; |
| } else { |
| data = {type, settings_data}; |
| } |
| |
| for (const auto& frame : GenerateNextStreamFrames(stream_id, false, data)) |
| frames->push_back(frame); |
| |
| if (coalesce_http_frames_) { |
| frames->push_back(GenerateNextStreamFrame(stream_id + 4, false, "\x03")); |
| frames->push_back(GenerateNextStreamFrame(stream_id + 8, false, "\x02")); |
| } else { |
| frames->push_back(GenerateNextStreamFrame(stream_id + 8, false, "\x02")); |
| frames->push_back(GenerateNextStreamFrame(stream_id + 4, false, "\x03")); |
| } |
| } |
| |
| } // namespace test |
| } // namespace net |
