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/*
 *  Copyright (c) 2016 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
 */
/*
 * @file        timer.cpp
 * @author      Sangwan Kwon (sangwan.kwon@samsung.com)
 * @version     1.0
 * @brief       The implementation of timer
 */
#include "common/timer.h"

namespace CCHECKER {

Timer::Timer() :
	m_isStop(false),
	m_isRunning(false),
	m_interval(10)
{
}

Timer::~Timer()
{
}

void Timer::timerStart(int interval)
{
	LogDebug("Timer start!!");

	if (m_isRunning)
		return;

	m_isRunning = true;
	m_interval = interval;
	m_thread = std::thread(&Timer::run, this);
}

void Timer::timerStop()
{
	if (m_thread.joinable()) {
		{
			std::unique_lock<std::mutex> lock(m_mutex);
			m_isStop = true;
			m_isRunning = false;
			m_cv.notify_one();
		}
		m_thread.join();
	}

	LogDebug("Timer stop!!");
}

void Timer::run()
{
	while (1) {
		LogDebug("[timer] running interval : " << m_interval);

		if (m_isStop)
			break;

		std::unique_lock<std::mutex> lock(m_mutex);
		m_cv.wait_for(
			lock,
			std::chrono::seconds(m_interval),
		[this] {
			return m_isStop == true;
		});

		job();
	}
}

} // namespace CCHECKER