icinga2/base/timer.h

66 lines
2.2 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#ifndef TIMER_H
#define TIMER_H
#include <time.h>
namespace icinga {
/**
* A timer that periodically triggers an event.
*
* @ingroup base
*/
class I2_BASE_API Timer : public Object
{
public:
typedef shared_ptr<Timer> Ptr;
typedef weak_ptr<Timer> WeakPtr;
typedef list<Timer::WeakPtr> CollectionType;
static Timer::CollectionType Timers;
Timer(void);
void SetInterval(long interval);
long GetInterval(void) const;
static long ProcessTimers(void);
void Start(void);
void Stop(void);
void Reschedule(time_t next);
boost::signal<void(const Timer::Ptr&)> OnTimerExpired;
private:
long m_Interval; /**< The interval of the timer. */
time_t m_Next; /**< When the next event should happen. */
void Call(void);
};
}
#endif /* TIMER_H */