chromium/third_party/perfetto/src/trace_redaction/collect_frame_cookies.cc

/*
 * Copyright (C) 2024 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "src/trace_redaction/collect_frame_cookies.h"

#include "perfetto/base/status.h"
#include "perfetto/protozero/field.h"
#include "perfetto/protozero/proto_decoder.h"
#include "perfetto/protozero/scattered_heap_buffer.h"
#include "src/trace_redaction/proto_util.h"
#include "src/trace_redaction/trace_redaction_framework.h"

#include "protos/perfetto/trace/android/frame_timeline_event.pbzero.h"
#include "protos/perfetto/trace/trace_packet.pbzero.h"

namespace perfetto::trace_redaction {

namespace {

FrameTimelineEvent;

struct Frame { … };

constexpr Frame kActualDisplayFrameStart = …;

constexpr Frame kExpectedDisplayFrameStart = …;

constexpr Frame kActualSurfaceFrameStart = …;

constexpr Frame kExpectedSurfaceFrameStart = …;

// Do not use `pid` from `kFrameEnd`.
constexpr Frame kFrameEnd = …;

}  // namespace

base::Status CollectFrameCookies::Begin(Context* context) const { … }

base::Status CollectFrameCookies::Collect(
    const protos::pbzero::TracePacket::Decoder& packet,
    Context* context) const { … }

base::Status ReduceFrameCookies::Build(Context* context) const { … }

base::Status FilterFrameEvents::Transform(const Context& context,
                                          std::string* packet) const { … }

bool FilterFrameEvents::KeepField(const Context& context,
                                  const protozero::Field& field) const { … }

}  // namespace perfetto::trace_redaction