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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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 __EVENT_RECORDER_H__
#define __EVENT_RECORDER_H__
#include <map>
#include <memory>
#include <mutex>
#include <ostream>
#include <sstream>
struct Event
{
std::string name;
std::string tid;
std::string ph; /* REQUIRED */
std::string ts; /* REQUIRED */
};
struct DurationEvent : public Event
{
// TO BE FILLED
};
struct CounterEvent : public Event
{
std::map<std::string, std::string> values;
};
//
// Record Event as Chrome Trace Event File Format
//
// Refrence: https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU/edit
//
class EventRecorder
{
public:
EventRecorder() = default;
public:
void emit(const DurationEvent &evt);
void emit(const CounterEvent &evt);
public:
void writeToFile(std::ostream &os);
private:
std::mutex _mu;
std::stringstream _ss;
};
#endif // __EVENT_RECORDER_H__
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