mirror of https://github.com/Icinga/icinga2.git
100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/******************************************************************************
|
|
* Icinga 2 *
|
|
* Copyright (C) 2012-2015 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 "base/i2-base.hpp"
|
|
#include "base/object.hpp"
|
|
#include <boost/signals2.hpp>
|
|
|
|
namespace icinga {
|
|
|
|
/**
|
|
* A timer that periodically triggers an event.
|
|
*
|
|
* @ingroup base
|
|
*/
|
|
class I2_BASE_API Timer : public Object
|
|
{
|
|
public:
|
|
DECLARE_PTR_TYPEDEFS(Timer);
|
|
|
|
Timer(void);
|
|
~Timer(void);
|
|
|
|
void SetInterval(double interval);
|
|
double GetInterval(void) const;
|
|
|
|
static void AdjustTimers(double adjustment);
|
|
|
|
void Start(void);
|
|
void Stop(bool wait = false);
|
|
|
|
void Reschedule(double next = -1);
|
|
double GetNext(void) const;
|
|
|
|
boost::signals2::signal<void(const Timer::Ptr&)> OnTimerExpired;
|
|
|
|
class Holder {
|
|
public:
|
|
Holder(Timer *timer)
|
|
: m_Timer(timer)
|
|
{ }
|
|
|
|
inline Timer *GetObject(void) const
|
|
{
|
|
return m_Timer;
|
|
}
|
|
|
|
inline double GetNextUnlocked(void) const
|
|
{
|
|
return m_Timer->m_Next;
|
|
}
|
|
|
|
operator Timer *(void) const
|
|
{
|
|
return m_Timer;
|
|
}
|
|
|
|
private:
|
|
Timer *m_Timer;
|
|
};
|
|
|
|
private:
|
|
double m_Interval; /**< The interval of the timer. */
|
|
double m_Next; /**< When the next event should happen. */
|
|
bool m_Started; /**< Whether the timer is enabled. */
|
|
bool m_Running; /**< Whether the timer proc is currently running. */
|
|
|
|
void Call();
|
|
void InternalReschedule(bool completed, double next = -1);
|
|
|
|
static void TimerThreadProc(void);
|
|
|
|
static void Initialize(void);
|
|
static void Uninitialize(void);
|
|
|
|
friend class Application;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* TIMER_H */
|