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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#ifndef INSPIRCD_TIMER_H
#define INSPIRCD_TIMER_H
/** Timer class for one-second resolution timers
* InspTimer 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 InspTimer, inherit a class from
* InspTimer, 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 InspTimer : public Extensible
{
private:
/** The triggering time
*/
time_t trigger;
public:
/** Default constructor, initializes the triggering time
*/
InspTimer(long secs_from_now,time_t now)
{
trigger = now + secs_from_now;
}
/** Default destructor, does nothing.
*/
virtual ~InspTimer() { }
/** Retrieve the current triggering time
*/
virtual time_t GetTimer()
{
return trigger;
}
/** Called when the timer ticks.
*/
virtual void Tick(time_t TIME) = 0;
};
/** This class manages sets of InspTimers, 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 TimerManager : public Extensible
{
protected:
/** A group of timers all set to trigger at the same time
*/
typedef std::vector<InspTimer*> timergroup;
/** A map of timergroups, each group has a specific trigger time
*/
typedef std::map<time_t, timergroup*> timerlist;
private:
/** The current timer set, a map of timergroups
*/
timerlist Timers;
public:
/** Tick all pending InspTimers
* @param TIME the current system time
*/
void TickTimers(time_t TIME);
/** Add an InspTimer
* @param T an InspTimer derived class to add
*/
void AddTimer(InspTimer* T);
/** Delete an InspTimer
* @param T an InspTimer derived class to delete
*/
void DelTimer(InspTimer* T);
/** Tick any timers that have been missed due to lag
* @param TIME the current system time
*/
void TickMissedTimers(time_t TIME);
};
#endif
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