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/*
* Copyright (C) 2019 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.
*/
#ifndef SRC_TRACED_PROBES_METATRACE_METATRACE_DATA_SOURCE_H_
#define SRC_TRACED_PROBES_METATRACE_METATRACE_DATA_SOURCE_H_
#include <memory>
#include "src/traced/probes/probes_data_source.h"
namespace perfetto {
class MetatraceWriter;
class TraceWriter;
namespace base {
class TaskRunner;
}
class MetatraceDataSource : public ProbesDataSource {
public:
static constexpr int kTypeId = 8;
static const char* kDataSourceName;
MetatraceDataSource(base::TaskRunner*,
TracingSessionID,
std::unique_ptr<TraceWriter> writer);
~MetatraceDataSource() override;
// ProbesDataSource implementation.
void Start() override;
void Flush(FlushRequestID, std::function<void()> callback) override;
private:
base::TaskRunner* const task_runner_;
std::unique_ptr<TraceWriter> trace_writer_;
std::unique_ptr<MetatraceWriter> metatrace_writer_;
};
} // namespace perfetto
#endif // SRC_TRACED_PROBES_METATRACE_METATRACE_DATA_SOURCE_H_
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