chromium/third_party/webrtc/logging/rtc_event_log/events/rtc_event_field_encoding.cc

/*
 *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "logging/rtc_event_log/events/rtc_event_field_encoding.h"

#include <cstddef>
#include <cstdint>
#include <limits>
#include <string>
#include <vector>

#include "absl/strings/string_view.h"
#include "absl/types/optional.h"
#include "api/array_view.h"
#include "api/rtc_event_log/rtc_event.h"
#include "logging/rtc_event_log/encoder/bit_writer.h"
#include "logging/rtc_event_log/encoder/var_int.h"
#include "logging/rtc_event_log/events/fixed_length_encoding_parameters_v3.h"
#include "logging/rtc_event_log/events/rtc_event_field_extraction.h"
#include "rtc_base/checks.h"

UnsignedDelta;

namespace {

std::string SerializeLittleEndian(uint64_t value, uint8_t bytes) { … }

}  // namespace

namespace webrtc {

std::string EncodeOptionalValuePositions(std::vector<bool> positions) { … }

std::string EncodeSingleValue(uint64_t value, FieldType field_type) { … }

absl::optional<FieldType> ConvertFieldType(uint64_t value) { … }

std::string EncodeDeltasV3(FixedLengthEncodingParametersV3 params,
                           uint64_t base,
                           rtc::ArrayView<const uint64_t> values) { … }

EventEncoder::EventEncoder(EventParameters params,
                           rtc::ArrayView<const RtcEvent*> batch) { … }

void EventEncoder::EncodeField(const FieldParameters& params,
                               const ValuesWithPositions& values) { … }

void EventEncoder::EncodeField(const FieldParameters& params,
                               const std::vector<uint64_t>& values,
                               const std::vector<bool>* positions) { … }

void EventEncoder::EncodeField(const FieldParameters& params,
                               const std::vector<absl::string_view>& values) { … }

std::string EventEncoder::AsString() { … }

}  // namespace webrtc