chromium/net/third_party/quiche/src/quiche/quic/test_tools/qpack/qpack_offline_decoder.cc

// Copyright (c) 2018 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.

// Decoder to test QPACK Offline Interop corpus
//
// See https://github.com/quicwg/base-drafts/wiki/QPACK-Offline-Interop for
// description of test data format.
//
// Example usage
//
//  cd $TEST_DATA
//  git clone https://github.com/qpackers/qifs.git
//  TEST_ENCODED_DATA=$TEST_DATA/qifs/encoded/qpack-06
//  TEST_QIF_DATA=$TEST_DATA/qifs/qifs
//  $BIN/qpack_offline_decoder \
//      $TEST_ENCODED_DATA/f5/fb-req.qifencoded.4096.100.0 \
//      $TEST_QIF_DATA/fb-req.qif
//      $TEST_ENCODED_DATA/h2o/fb-req-hq.out.512.0.1 \
//      $TEST_QIF_DATA/fb-req-hq.qif
//      $TEST_ENCODED_DATA/ls-qpack/fb-resp-hq.out.0.0.0 \
//      $TEST_QIF_DATA/fb-resp-hq.qif
//      $TEST_ENCODED_DATA/proxygen/netbsd.qif.proxygen.out.4096.0.0 \
//      $TEST_QIF_DATA/netbsd.qif
//

#include "quiche/quic/test_tools/qpack/qpack_offline_decoder.h"

#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>

#include "absl/strings/match.h"
#include "absl/strings/numbers.h"
#include "absl/strings/str_split.h"
#include "absl/strings/string_view.h"
#include "quiche/quic/core/quic_types.h"
#include "quiche/quic/platform/api/quic_logging.h"
#include "quiche/quic/test_tools/qpack/qpack_test_utils.h"
#include "quiche/common/platform/api/quiche_file_utils.h"
#include "quiche/common/quiche_endian.h"

namespace quic {

QpackOfflineDecoder::QpackOfflineDecoder()
    : … { … }

bool QpackOfflineDecoder::DecodeAndVerifyOfflineData(
    absl::string_view input_filename,
    absl::string_view expected_headers_filename) { … }

void QpackOfflineDecoder::OnEncoderStreamError(
    QuicErrorCode error_code, absl::string_view error_message) { … }

bool QpackOfflineDecoder::ParseInputFilename(absl::string_view input_filename) { … }

bool QpackOfflineDecoder::DecodeHeaderBlocksFromFile(
    absl::string_view input_filename) { … }

bool QpackOfflineDecoder::VerifyDecodedHeaderLists(
    absl::string_view expected_headers_filename) { … }

bool QpackOfflineDecoder::ReadNextExpectedHeaderList(
    absl::string_view* expected_headers_data,
    quiche::HttpHeaderBlock* expected_header_list) { … }

bool QpackOfflineDecoder::CompareHeaderBlocks(
    quiche::HttpHeaderBlock decoded_header_list,
    quiche::HttpHeaderBlock expected_header_list) { … }

}  // namespace quic