/usr/include/inspircd/timer.h is in inspircd-dev 2.0.20-5build2.
This file is owned by root:root, with mode 0o644.
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* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006-2007 Craig Edwards <craigedwards@brainbox.cc>
*
* This file is part of InspIRCd. InspIRCd 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, version 2.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef INSPIRCD_TIMER_H
#define INSPIRCD_TIMER_H
/** Timer class for one-second resolution timers
* Timer provides a facility which allows module
* developers to create one-shot timers. The timer
* can be made to trigger at any time up to a one-second
* resolution. To use Timer, inherit a class from
* Timer, then insert your inherited class into the
* queue using Server::AddTimer(). The Tick() method of
* your object (which you should override) will be called
* at the given time.
*/
class CoreExport Timer
{
private:
/** The triggering time
*/
time_t trigger;
/** Number of seconds between triggers
*/
long secs;
/** True if this is a repeating timer
*/
bool repeat;
public:
/** Default constructor, initializes the triggering time
* @param secs_from_now The number of seconds from now to trigger the timer
* @param now The time now
* @param repeating Repeat this timer every secs_from_now seconds if set to true
*/
Timer(long secs_from_now, time_t now, bool repeating = false)
{
trigger = now + secs_from_now;
secs = secs_from_now;
repeat = repeating;
}
/** Default destructor, does nothing.
*/
virtual ~Timer() { }
/** Retrieve the current triggering time
*/
virtual time_t GetTimer()
{
return trigger;
}
/** Sets the trigger timeout to a new value
*/
virtual void SetTimer(time_t t)
{
trigger = t;
}
/** Called when the timer ticks.
* You should override this method with some useful code to
* handle the tick event.
*/
virtual void Tick(time_t TIME) = 0;
/** Returns true if this timer is set to repeat
*/
bool GetRepeat()
{
return repeat;
}
/** Returns the interval (number of seconds between ticks)
* of this timer object.
*/
long GetSecs()
{
return secs;
}
/** Cancels the repeat state of a repeating timer.
* If you call this method, then the next time your
* timer ticks, it will be removed immediately after.
* You should use this method call to remove a recurring
* timer if you wish to do so within the timer's Tick
* event, as calling TimerManager::DelTimer() from within
* the Timer::Tick() method is dangerous and may
* cause a segmentation fault. Calling CancelRepeat()
* is safe in this case.
*/
void CancelRepeat()
{
repeat = false;
}
};
/** This class manages sets of Timers, and triggers them at their defined times.
* This will ensure timers are not missed, as well as removing timers that have
* expired and allowing the addition of new ones.
*/
class CoreExport TimerManager
{
protected:
/** A list of all pending timers
*/
std::vector<Timer *> Timers;
public:
/** Constructor
*/
TimerManager();
~TimerManager();
/** Tick all pending Timers
* @param TIME the current system time
*/
void TickTimers(time_t TIME);
/** Add an Timer
* @param T an Timer derived class to add
*/
void AddTimer(Timer *T);
/** Delete an Timer
* @param T an Timer derived class to delete
*/
void DelTimer(Timer* T);
/** Compares two timers
*/
static bool TimerComparison( Timer *one, Timer*two);
};
#endif
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