blob: 01684cbd90e8fe77148d4e68636f97be1d532dd7 [file] [log] [blame]
// 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/crypto/null_encrypter.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"
namespace net {
namespace test {
namespace {
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:
case quic::HANDSHAKE_DONE_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::ACK_FREQUENCY_FRAME:
frame.ack_frequency_frame =
new quic::QuicAckFrequencyFrame(*frame.ack_frequency_frame);
break;
case quic::NUM_FRAME_TYPES:
DCHECK(false) << "Cannot clone frame type: " << frame.type;
}
}
return new_frames;
}
} // namespace
QuicTestPacketMaker::QuicTestPacketMaker(
quic::ParsedQuicVersion version,
quic::QuicConnectionId connection_id,
const quic::QuicClock* 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),
max_allowed_push_id_(0),
spdy_request_framer_(spdy::SpdyFramer::ENABLE_COMPRESSION),
spdy_response_framer_(spdy::SpdyFramer::ENABLE_COMPRESSION),
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),
save_packet_frames_(false) {
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);
}
void QuicTestPacketMaker::set_max_allowed_push_id(quic::QuicStreamId push_id) {
max_allowed_push_id_ = push_id;
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeConnectivityProbingPacket(uint64_t num,
bool include_version) {
InitializeHeader(num, include_version);
if (!version_.HasIetfQuicFrames()) {
AddQuicPingFrame();
} else if (perspective_ == quic::Perspective::IS_CLIENT) {
AddQuicPathChallengeFrame();
} else {
AddQuicPathResponseFrame();
}
AddQuicPaddingFrame();
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakePingPacket(
uint64_t num,
bool include_version) {
InitializeHeader(num, include_version);
AddQuicPingFrame();
return BuildPacket();
}
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();
if (!QuicVersionUsesCryptoFrames(version_.transport_version)) {
AddQuicStreamFrameWithOffset(
quic::QuicUtils::GetCryptoStreamId(version_.transport_version),
/*fin=*/false, /*offset=*/0, data.AsStringPiece());
} else {
AddQuicCryptoFrame(quic::ENCRYPTION_INITIAL, 0, data.length());
data_producer_ = std::make_unique<quic::test::SimpleDataProducer>();
data_producer_->SaveCryptoData(quic::ENCRYPTION_INITIAL, 0,
data.AsStringPiece());
}
AddQuicPaddingFrame();
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeAckAndPingPacket(uint64_t num,
bool include_version,
uint64_t largest_received,
uint64_t smallest_received) {
InitializeHeader(num, include_version);
AddQuicAckFrame(largest_received, smallest_received);
AddQuicPingFrame();
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeStreamsBlockedPacket(
uint64_t num,
bool include_version,
quic::QuicStreamCount stream_count,
bool unidirectional) {
InitializeHeader(num, include_version);
AddQuicStreamsBlockedFrame(1, stream_count, unidirectional);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeMaxStreamsPacket(uint64_t num,
bool include_version,
quic::QuicStreamCount stream_count,
bool unidirectional) {
InitializeHeader(num, include_version);
AddQuicMaxStreamsFrame(1, stream_count, unidirectional);
return BuildPacket();
}
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);
if (!version_.HasIetfQuicFrames() ||
quic::QuicUtils::IsBidirectionalStreamId(stream_id, version_)) {
AddQuicRstStreamFrame(stream_id, error_code);
}
if (include_stop_sending_if_v99 && version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(stream_id, error_code);
}
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeRstAndDataPacket(
uint64_t num,
bool include_version,
quic::QuicStreamId rst_stream_id,
quic::QuicRstStreamErrorCode rst_error_code,
quic::QuicStreamId data_stream_id,
quiche::QuicheStringPiece data) {
InitializeHeader(num, include_version);
AddQuicRstStreamFrame(rst_stream_id, rst_error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(rst_stream_id, rst_error_code);
}
AddQuicStreamFrame(data_stream_id, /* fin = */ false, data);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeDataAndRstPacket(
uint64_t num,
bool include_version,
quic::QuicStreamId data_stream_id,
quiche::QuicheStringPiece data,
quic::QuicStreamId rst_stream_id,
quic::QuicRstStreamErrorCode rst_error_code) {
InitializeHeader(num, include_version);
AddQuicStreamFrame(data_stream_id, /* fin = */ false, data);
AddQuicRstStreamFrame(rst_stream_id, rst_error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(rst_stream_id, rst_error_code);
}
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeDataRstAndAckPacket(
uint64_t num,
bool include_version,
quic::QuicStreamId data_stream_id,
quiche::QuicheStringPiece data,
quic::QuicStreamId rst_stream_id,
quic::QuicRstStreamErrorCode rst_error_code,
uint64_t largest_received,
uint64_t smallest_received) {
InitializeHeader(num, include_version);
AddQuicAckFrame(largest_received, smallest_received);
AddQuicStreamFrame(data_stream_id, /* fin = */ false, data);
AddQuicRstStreamFrame(rst_stream_id, rst_error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(rst_stream_id, rst_error_code);
}
return BuildPacket();
}
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) {
return MakeAckAndRstPacket(num, include_version, stream_id, error_code,
largest_received, smallest_received,
/*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,
bool include_stop_sending_if_v99) {
InitializeHeader(num, include_version);
AddQuicAckFrame(largest_received, smallest_received);
if (!version_.HasIetfQuicFrames() ||
quic::QuicUtils::IsBidirectionalStreamId(stream_id, version_)) {
AddQuicRstStreamFrame(stream_id, error_code);
}
if (version_.HasIetfQuicFrames() && include_stop_sending_if_v99) {
AddQuicStopSendingFrame(stream_id, error_code);
}
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeRstAckAndConnectionClosePacket(
uint64_t num,
bool include_version,
quic::QuicStreamId stream_id,
quic::QuicRstStreamErrorCode error_code,
uint64_t largest_received,
uint64_t smallest_received,
quic::QuicErrorCode quic_error,
const std::string& quic_error_details) {
InitializeHeader(num, include_version);
AddQuicAckFrame(largest_received, smallest_received);
AddQuicRstStreamFrame(stream_id, error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(stream_id, error_code);
}
AddQuicAckFrame(largest_received, smallest_received);
AddQuicConnectionCloseFrame(quic_error, quic_error_details);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeRstAndConnectionClosePacket(
uint64_t num,
bool include_version,
quic::QuicStreamId stream_id,
quic::QuicRstStreamErrorCode error_code,
quic::QuicErrorCode quic_error,
const std::string& quic_error_details) {
InitializeHeader(num, include_version);
AddQuicRstStreamFrame(stream_id, error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(stream_id, error_code);
}
AddQuicConnectionCloseFrame(quic_error, quic_error_details);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeDataRstAndConnectionClosePacket(
uint64_t num,
bool include_version,
quic::QuicStreamId data_stream_id,
quiche::QuicheStringPiece data,
quic::QuicStreamId rst_stream_id,
quic::QuicRstStreamErrorCode error_code,
quic::QuicErrorCode quic_error,
const std::string& quic_error_details) {
InitializeHeader(num, include_version);
AddQuicStreamFrame(data_stream_id, /* fin = */ false, data);
AddQuicRstStreamFrame(rst_stream_id, error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(rst_stream_id, error_code);
}
AddQuicConnectionCloseFrame(quic_error, quic_error_details);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeDataRstAckAndConnectionClosePacket(
uint64_t num,
bool include_version,
quic::QuicStreamId data_stream_id,
quiche::QuicheStringPiece data,
quic::QuicStreamId rst_stream_id,
quic::QuicRstStreamErrorCode error_code,
uint64_t largest_received,
uint64_t smallest_received,
quic::QuicErrorCode quic_error,
const std::string& quic_error_details) {
InitializeHeader(num, include_version);
AddQuicAckFrame(largest_received, smallest_received);
AddQuicStreamFrame(data_stream_id, /* fin = */ false, data);
AddQuicRstStreamFrame(rst_stream_id, error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(rst_stream_id, error_code);
}
AddQuicAckFrame(largest_received, smallest_received);
AddQuicConnectionCloseFrame(quic_error, quic_error_details);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeAckAndConnectionClosePacket(
uint64_t num,
bool include_version,
uint64_t largest_received,
uint64_t smallest_received,
quic::QuicErrorCode quic_error,
const std::string& quic_error_details,
uint64_t frame_type) {
InitializeHeader(num, include_version);
AddQuicAckFrame(largest_received, smallest_received);
AddQuicConnectionCloseFrame(quic_error, quic_error_details, frame_type);
return BuildPacket();
}
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);
AddQuicConnectionCloseFrame(quic_error, quic_error_details);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeGoAwayPacket(
uint64_t num,
quic::QuicErrorCode error_code,
std::string reason_phrase) {
InitializeHeader(num, /*include_version=*/false);
AddQuicGoAwayFrame(error_code, reason_phrase);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeAckPacket(
uint64_t packet_number,
uint64_t largest_received,
uint64_t smallest_received) {
return MakeAckPacket(packet_number, 1, largest_received, smallest_received);
}
std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeAckPacket(
uint64_t packet_number,
uint64_t first_received,
uint64_t largest_received,
uint64_t smallest_received) {
InitializeHeader(packet_number, /*include_version=*/false);
AddQuicAckFrame(first_received, largest_received, smallest_received);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::MakeDataPacket(
uint64_t packet_number,
quic::QuicStreamId stream_id,
bool should_include_version,
bool fin,
quiche::QuicheStringPiece data) {
InitializeHeader(packet_number, should_include_version);
AddQuicStreamFrame(stream_id, fin, data);
return BuildPacket();
}
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,
bool fin,
quiche::QuicheStringPiece data) {
InitializeHeader(packet_number, include_version);
AddQuicAckFrame(largest_received, smallest_received);
AddQuicStreamFrame(stream_id, fin, data);
return BuildPacket();
}
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::VersionUsesHttp3(version_.transport_version)) {
MaybeAddHttp3SettingsFrames();
if (priority != 1) {
std::string priority_data =
GenerateHttp3PriorityData(priority, stream_id);
AddQuicStreamFrame(2, false, priority_data);
}
std::string data = QpackEncodeHeaders(stream_id, std::move(headers),
spdy_headers_frame_length);
for (size_t i = 0; i < data_writes.size(); ++i) {
data += data_writes[i];
}
AddQuicStreamFrame(stream_id, fin, data);
return BuildPacket();
}
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();
}
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
for (size_t i = 0; i < data_writes.size(); ++i) {
bool is_fin = fin && (i == data_writes.size() - 1);
AddQuicStreamFrame(stream_id, is_fin,
quiche::QuicheStringPiece(data_writes[i]));
}
return BuildPacket();
}
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::VersionUsesHttp3(version_.transport_version)) {
MaybeAddHttp3SettingsFrames();
if (priority != 1) {
std::string priority_data =
GenerateHttp3PriorityData(priority, stream_id);
AddQuicStreamFrame(2, false, priority_data);
}
std::string data = QpackEncodeHeaders(stream_id, std::move(headers),
spdy_headers_frame_length);
AddQuicStreamFrame(stream_id, fin, data);
return BuildPacket();
}
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();
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
return BuildPacket();
}
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) {
InitializeHeader(packet_number, should_include_version);
if (quic::VersionUsesHttp3(version_.transport_version)) {
MaybeAddHttp3SettingsFrames();
std::string priority_data = GenerateHttp3PriorityData(priority, stream_id);
AddQuicStreamFrame(2, false, priority_data);
std::string data = QpackEncodeHeaders(stream_id, std::move(headers),
spdy_headers_frame_length);
AddQuicStreamFrame(stream_id, fin, data);
AddQuicRstStreamFrame(stream_id, error_code);
AddQuicStopSendingFrame(stream_id, error_code);
return BuildPacket();
}
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();
}
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
AddQuicRstStreamFrame(stream_id, error_code);
if (version_.HasIetfQuicFrames()) {
AddQuicStopSendingFrame(stream_id, error_code);
}
return BuildPacket();
}
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) {
InitializeHeader(packet_number, should_include_version);
if (quic::VersionUsesHttp3(version_.transport_version)) {
std::string encoded_headers =
qpack_encoder_.EncodeHeaderList(stream_id, headers, nullptr);
quic::PushPromiseFrame frame;
frame.push_id = promised_stream_id;
frame.headers = encoded_headers;
std::unique_ptr<char[]> buffer;
quic::QuicByteCount frame_length =
quic::HttpEncoder::SerializePushPromiseFrameWithOnlyPushId(frame,
&buffer);
std::string push_promise_data(buffer.get(), frame_length);
AddQuicStreamFrame(stream_id, false, push_promise_data);
AddQuicStreamFrame(stream_id, false, encoded_headers);
return BuildPacket();
}
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();
}
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
return BuildPacket();
}
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::VersionUsesHttp3(version_.transport_version)) {
std::string data = QpackEncodeHeaders(stream_id, std::move(headers),
spdy_headers_frame_length);
AddQuicStreamFrame(stream_id, fin, data);
return BuildPacket();
}
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();
}
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeInitialSettingsPacket(uint64_t packet_number) {
InitializeHeader(packet_number, /*should_include_version*/ true);
if (!quic::VersionUsesHttp3(version_.transport_version)) {
spdy::SpdySettingsIR settings_frame;
settings_frame.AddSetting(spdy::SETTINGS_MAX_HEADER_LIST_SIZE,
kQuicMaxHeaderListSize);
settings_frame.AddSetting(quic::SETTINGS_QPACK_BLOCKED_STREAMS,
quic::kDefaultMaximumBlockedStreams);
spdy::SpdySerializedFrame spdy_frame(
spdy_request_framer_.SerializeFrame(settings_frame));
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
return BuildPacket();
}
MaybeAddHttp3SettingsFrames();
return BuildPacket();
}
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) {
InitializeHeader(packet_number, should_include_version);
if (!client_headers_include_h2_stream_dependency_) {
parent_stream_id = 0;
}
int weight = spdy::Spdy3PriorityToHttp2Weight(priority);
bool exclusive = client_headers_include_h2_stream_dependency_;
if (!VersionUsesHttp3(version_.transport_version)) {
spdy::SpdyPriorityIR priority_frame(id, parent_stream_id, weight,
exclusive);
spdy::SpdySerializedFrame spdy_frame(
spdy_request_framer_.SerializeFrame(priority_frame));
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
return BuildPacket();
}
if (priority != quic::QuicStream::kDefaultUrgency) {
std::string priority_data = GenerateHttp3PriorityData(priority, id);
AddQuicStreamFrame(2, false, priority_data);
}
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeAckAndPriorityPacket(
uint64_t packet_number,
bool should_include_version,
uint64_t largest_received,
uint64_t smallest_received,
quic::QuicStreamId id,
quic::QuicStreamId parent_stream_id,
spdy::SpdyPriority priority) {
InitializeHeader(packet_number, should_include_version);
AddQuicAckFrame(largest_received, smallest_received);
if (!client_headers_include_h2_stream_dependency_) {
parent_stream_id = 0;
}
int weight = spdy::Spdy3PriorityToHttp2Weight(priority);
bool exclusive = client_headers_include_h2_stream_dependency_;
if (!VersionUsesHttp3(version_.transport_version)) {
spdy::SpdyPriorityIR priority_frame(id, parent_stream_id, weight,
exclusive);
spdy::SpdySerializedFrame spdy_frame(
spdy_request_framer_.SerializeFrame(priority_frame));
AddQuicStreamFrame(
GetHeadersStreamId(), false,
quiche::QuicheStringPiece(spdy_frame.data(), spdy_frame.size()));
return BuildPacket();
}
if (priority != quic::QuicStream::kDefaultUrgency) {
std::string priority_data = GenerateHttp3PriorityData(priority, id);
AddQuicStreamFrame(2, false, priority_data);
}
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeAckAndPriorityUpdatePacket(
uint64_t packet_number,
bool should_include_version,
uint64_t largest_received,
uint64_t smallest_received,
quic::QuicStreamId id,
spdy::SpdyPriority priority) {
InitializeHeader(packet_number, should_include_version);
AddQuicAckFrame(largest_received, smallest_received);
std::string priority_data = GenerateHttp3PriorityData(priority, id);
AddQuicStreamFrame(2, false, priority_data);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeMultiplePriorityFramesPacket(
uint64_t packet_number,
bool should_include_version,
const std::vector<Http2StreamDependency>& priority_frames) {
InitializeHeader(packet_number, should_include_version);
const bool exclusive = client_headers_include_h2_stream_dependency_;
std::string coalesced_data;
for (const Http2StreamDependency& info : priority_frames) {
spdy::SpdyPriorityIR priority_frame(
info.stream_id, info.parent_stream_id,
spdy::Spdy3PriorityToHttp2Weight(info.spdy_priority), exclusive);
auto spdy_frame = spdy_request_framer_.SerializeFrame(priority_frame);
coalesced_data += std::string(spdy_frame.data(), spdy_frame.size());
}
AddQuicStreamFrame(quic::VersionUsesHttp3(version_.transport_version)
? GetFirstBidirectionalStreamId()
: GetHeadersStreamId(),
false, coalesced_data);
return BuildPacket();
}
std::unique_ptr<quic::QuicReceivedPacket>
QuicTestPacketMaker::MakeAckAndMultiplePriorityFramesPacket(
uint64_t packet_number,
bool should_include_version,
uint64_t largest_received,
uint64_t smallest_received,
const std::vector<Http2StreamDependency>& priority_frames) {
InitializeHeader(packet_number, should_include_version);
AddQuicAckFrame(largest_received, smallest_received);
const bool exclusive = client_headers_include_h2_stream_dependency_;
std::string coalesced_data;
for (const Http2StreamDependency& info : priority_frames) {
spdy::SpdyPriorityIR priority_frame(
info.stream_id, info.parent_stream_id,
spdy::Spdy3PriorityToHttp2Weight(info.spdy_priority), exclusive);
auto spdy_frame = spdy_request_framer_.SerializeFrame(priority_frame);
coalesced_data += std::string(spdy_frame.data(), spdy_frame.size());
}
AddQuicStreamFrame(quic::VersionUsesHttp3(version_.transport_version)
? GetFirstBidirectionalStreamId()
: GetHeadersStreamId(),
false, coalesced_data);
return BuildPacket();
}
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 BuildPacketImpl(
saved_frames_[quic::QuicPacketNumber(original_packet_number)], nullptr);
}
std::unique_ptr<quic::QuicEncryptedPacket>
QuicTestPacketMaker::MakeStatelessResetPacket() {
auto connection_id = quic::test::TestConnectionId();
return quic::QuicFramer::BuildIetfStatelessResetPacket(
connection_id,
quic::QuicUtils::GenerateStatelessResetToken(connection_id));
}
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::EncryptionLevelToString(level);
long_header_type_ = quic::INVALID_PACKET_TYPE;
}
}
spdy::SpdyHeaderBlock QuicTestPacketMaker::GetRequestHeaders(
const std::string& method,
const std::string& scheme,
const std::string& path) const {
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) const {
spdy::SpdyHeaderBlock headers;
headers[":method"] = "CONNECT";
headers[":authority"] = host_port;
return headers;
}
spdy::SpdyHeaderBlock QuicTestPacketMaker::GetResponseHeaders(
const std::string& status) const {
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) const {
spdy::SpdyHeaderBlock headers;
headers[":status"] = status;
headers["alt-svc"] = alt_svc;
headers["content-type"] = "text/plain";
return headers;
}
void QuicTestPacketMaker::Reset() {
stream_offsets_.clear();
}
std::string QuicTestPacketMaker::QpackEncodeHeaders(
quic::QuicStreamId stream_id,
spdy::SpdyHeaderBlock headers,
size_t* encoded_data_length) {
DCHECK(quic::VersionUsesHttp3(version_.transport_version));
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 =
quic::HttpEncoder::SerializeHeadersFrameHeader(encoded_headers.size(),
&headers_frame_header);
// Possible add a PUSH stream type.
if (!quic::QuicUtils::IsBidirectionalStreamId(stream_id, version_) &&
stream_offsets_[stream_id] == 0) {
// Push stream type header
data += "\x01";
}
// Add the HEADERS frame header.
data += std::string(headers_frame_header.get(), headers_frame_header_length);
// Add the HEADERS frame payload.
data += encoded_headers;
// Compute the total data length.
if (encoded_data_length) {
*encoded_data_length = data.length();
}
return data;
}
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);
if (quic::VersionHasIetfInvariantHeader(version_.transport_version)) {
header_.form = header_.version_flag ? quic::IETF_QUIC_LONG_HEADER_PACKET
: quic::IETF_QUIC_SHORT_HEADER_PACKET;
}
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;
}
}
void QuicTestPacketMaker::AddQuicPaddingFrame() {
quic::QuicPaddingFrame padding_frame;
frames_.push_back(quic::QuicFrame(padding_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicPingFrame() {
quic::QuicPingFrame ping_frame;
frames_.push_back(quic::QuicFrame(ping_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicMaxStreamsFrame(
quic::QuicControlFrameId control_frame_id,
quic::QuicStreamCount stream_count,
bool unidirectional) {
quic::QuicMaxStreamsFrame max_streams_frame(control_frame_id, stream_count,
unidirectional);
frames_.push_back(quic::QuicFrame(max_streams_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicStreamsBlockedFrame(
quic::QuicControlFrameId control_frame_id,
quic::QuicStreamCount stream_count,
bool unidirectional) {
quic::QuicStreamsBlockedFrame streams_blocked_frame(
control_frame_id, stream_count, unidirectional);
frames_.push_back(quic::QuicFrame(streams_blocked_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicStreamFrame(quic::QuicStreamId stream_id,
bool fin,
quiche::QuicheStringPiece data) {
AddQuicStreamFrameWithOffset(stream_id, fin, stream_offsets_[stream_id],
data);
stream_offsets_[stream_id] += data.length();
}
void QuicTestPacketMaker::AddQuicStreamFrameWithOffset(
quic::QuicStreamId stream_id,
bool fin,
quic::QuicStreamOffset offset,
quiche::QuicheStringPiece 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));
quiche::QuicheStringPiece saved_data = *saved_stream_data_.back();
quic::QuicStreamFrame stream_frame(stream_id, fin, offset, saved_data);
frames_.push_back(quic::QuicFrame(stream_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicAckFrame(uint64_t largest_received,
uint64_t smallest_received) {
AddQuicAckFrame(1, largest_received, smallest_received);
}
void QuicTestPacketMaker::AddQuicAckFrame(uint64_t first_received,
uint64_t largest_received,
uint64_t smallest_received) {
auto* ack_frame = new quic::QuicAckFrame;
ack_frame->largest_acked = quic::QuicPacketNumber(largest_received);
ack_frame->ack_delay_time = quic::QuicTime::Delta::Zero();
for (uint64_t i = smallest_received; i <= largest_received; ++i) {
ack_frame->received_packet_times.push_back(
std::make_pair(quic::QuicPacketNumber(i), clock_->Now()));
}
if (largest_received > 0) {
DCHECK_GE(largest_received, first_received);
ack_frame->packets.AddRange(quic::QuicPacketNumber(first_received),
quic::QuicPacketNumber(largest_received + 1));
}
frames_.push_back(quic::QuicFrame(ack_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicRstStreamFrame(
quic::QuicStreamId stream_id,
quic::QuicRstStreamErrorCode error_code) {
auto* rst_stream_frame = new quic::QuicRstStreamFrame(
1, stream_id, error_code, stream_offsets_[stream_id]);
frames_.push_back(quic::QuicFrame(rst_stream_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicConnectionCloseFrame(
quic::QuicErrorCode quic_error,
const std::string& quic_error_details) {
AddQuicConnectionCloseFrame(quic_error, quic_error_details, 0);
}
void QuicTestPacketMaker::AddQuicConnectionCloseFrame(
quic::QuicErrorCode quic_error,
const std::string& quic_error_details,
uint64_t frame_type) {
auto* close_frame = new quic::QuicConnectionCloseFrame(
version_.transport_version, quic_error, quic_error_details, frame_type);
frames_.push_back(quic::QuicFrame(close_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicGoAwayFrame(quic::QuicErrorCode error_code,
std::string reason_phrase) {
auto* goaway_frame = new quic::QuicGoAwayFrame();
goaway_frame->error_code = error_code;
goaway_frame->last_good_stream_id = 0;
goaway_frame->reason_phrase = reason_phrase;
frames_.push_back(quic::QuicFrame(goaway_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicPathResponseFrame() {
quic::test::MockRandom rand(0);
quic::QuicPathFrameBuffer payload;
rand.RandBytes(payload.data(), payload.size());
auto* path_response_frame = new quic::QuicPathResponseFrame(0, payload);
frames_.push_back(quic::QuicFrame(path_response_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicPathChallengeFrame() {
quic::test::MockRandom rand(0);
quic::QuicPathFrameBuffer payload;
rand.RandBytes(payload.data(), payload.size());
auto* path_challenge_frame = new quic::QuicPathChallengeFrame(0, payload);
frames_.push_back(quic::QuicFrame(path_challenge_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicStopSendingFrame(
quic::QuicStreamId stream_id,
quic::QuicApplicationErrorCode error_code) {
auto* stop_sending_frame =
new quic::QuicStopSendingFrame(1, stream_id, error_code);
frames_.push_back(quic::QuicFrame(stop_sending_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
void QuicTestPacketMaker::AddQuicCryptoFrame(
quic::EncryptionLevel level,
quic::QuicStreamOffset offset,
quic::QuicPacketLength data_length) {
auto* crypto_frame = new quic::QuicCryptoFrame(level, offset, data_length);
frames_.push_back(quic::QuicFrame(crypto_frame));
DVLOG(1) << "Adding frame: " << frames_.back();
}
std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::BuildPacket() {
auto packet = BuildPacketImpl(frames_, data_producer_.get());
DeleteFrames(&frames_);
data_producer_.reset();
return packet;
}
std::unique_ptr<quic::QuicReceivedPacket> QuicTestPacketMaker::BuildPacketImpl(
const quic::QuicFrames& frames,
quic::QuicStreamFrameDataProducer* data_producer) {
quic::QuicFramer framer(quic::test::SupportedVersions(version_),
clock_->Now(), perspective_,
quic::kQuicDefaultConnectionIdLength);
if (encryption_level_ == quic::ENCRYPTION_INITIAL) {
framer.SetInitialObfuscators(perspective_ == quic::Perspective::IS_CLIENT
? header_.destination_connection_id
: header_.source_connection_id);
} else {
framer.SetEncrypter(encryption_level_,
std::make_unique<quic::NullEncrypter>(perspective_));
}
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;
}
const size_t min_plaintext_packet_size =
quic::QuicPacketCreator::MinPlaintextPacketSize(version_);
if (frames_size < min_plaintext_packet_size) {
const size_t expansion_on_new_frame =
frames.empty()
? 0
: quic::QuicPacketCreator::ExpansionOnNewFrameWithLastFrame(
frames.back(), version_.transport_version);
const size_t padding_length =
std::max(1 + expansion_on_new_frame,
min_plaintext_packet_size - frames_size) -
expansion_on_new_frame;
CHECK_LE(padding_length + packet_size + expansion_on_new_frame,
max_plaintext_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(encryption_level_, 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();
}
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);
}
bool QuicTestPacketMaker::ShouldIncludeVersion(bool include_version) const {
if (version_.HasIetfInvariantHeader()) {
return encryption_level_ < quic::ENCRYPTION_FORWARD_SECURE;
}
return include_version;
}
quic::QuicPacketNumberLength QuicTestPacketMaker::GetPacketNumberLength()
const {
if (version_.HasIetfInvariantHeader() &&
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;
}
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;
settings.values[quic::SETTINGS_QPACK_BLOCKED_STREAMS] =
quic::kDefaultMaximumBlockedStreams;
// Greased setting.
settings.values[0x40] = 20;
std::unique_ptr<char[]> buffer;
quic::QuicByteCount frame_length =
quic::HttpEncoder::SerializeSettingsFrame(settings, &buffer);
return std::string(buffer.get(), frame_length);
}
std::string QuicTestPacketMaker::GenerateHttp3MaxPushIdData() {
if (max_allowed_push_id_ == 0) {
return "";
}
quic::MaxPushIdFrame max_push_id;
max_push_id.push_id = max_allowed_push_id_;
std::unique_ptr<char[]> buffer;
quic::QuicByteCount frame_length =
quic::HttpEncoder::SerializeMaxPushIdFrame(max_push_id, &buffer);
return std::string(buffer.get(), frame_length);
}
std::string QuicTestPacketMaker::GenerateHttp3PriorityData(
spdy::SpdyPriority priority,
quic::QuicStreamId stream_id) {
quic::PriorityUpdateFrame priority_update;
priority_update.prioritized_element_type = quic::REQUEST_STREAM;
priority_update.prioritized_element_id = stream_id;
priority_update.priority_field_value =
quiche::QuicheStrCat("u=", static_cast<int>(priority));
std::unique_ptr<char[]> buffer;
quic::QuicByteCount frame_length =
quic::HttpEncoder::SerializePriorityUpdateFrame(priority_update, &buffer);
return std::string(buffer.get(), frame_length);
}
std::string QuicTestPacketMaker::GenerateHttp3GreaseData() {
std::unique_ptr<char[]> buffer;
quic::QuicByteCount frame_length =
quic::HttpEncoder::SerializeGreasingFrame(&buffer);
return std::string(buffer.get(), frame_length);
}
void QuicTestPacketMaker::MaybeAddHttp3SettingsFrames() {
DCHECK(quic::VersionUsesHttp3(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();
std::string grease_data = GenerateHttp3GreaseData();
std::string max_push_id_data = GenerateHttp3MaxPushIdData();
// The type and the SETTINGS frame may be sent in multiple QUIC STREAM
// frames.
std::string data = type + settings_data + grease_data + max_push_id_data;
AddQuicStreamFrame(stream_id, false, data);
}
} // namespace test
} // namespace net