X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Ftimer.h;h=82c788242093ffd5f4c7abc3c3e6bb54d599d5d2;hb=b94c45340e153254f9dd06ecc3445222f31d0220;hp=da8e742d9f58442c8fd8761be1502b50f5577410;hpb=696ee9ff66bb94be2229bfa9c3dc288affc38a72;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/timer.h b/include/timer.h index da8e742d9..82c788242 100644 --- a/include/timer.h +++ b/include/timer.h @@ -14,58 +14,111 @@ #ifndef INSPIRCD_TIMER_H #define INSPIRCD_TIMER_H +class InspIRCd; + /** Timer class for one-second resolution timers - * InspTimer provides a facility which allows module + * 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 InspTimer, inherit a class from - * InspTimer, then insert your inherited class into the + * 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 InspTimer : public Extensible +class CoreExport Timer : public Extensible { 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 */ - InspTimer(long secs_from_now,time_t now) + 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 ~InspTimer() { } + virtual ~Timer() { } + /** Retrieve the current triggering time */ virtual time_t GetTimer() { return trigger; } + /** 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 InspTimers, and triggers them at their defined times. +/** 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 TimerManager : public Extensible +class CoreExport TimerManager : public Extensible { protected: /** A group of timers all set to trigger at the same time */ - typedef std::vector timergroup; + typedef std::vector timergroup; /** A map of timergroups, each group has a specific trigger time */ typedef std::map timerlist; - + /** Set when ticking timers, to prevent deletion while iterating + */ + bool CantDeleteHere; + /** Creating server instance + */ + InspIRCd* ServerInstance; private: /** The current timer set, a map of timergroups @@ -73,18 +126,26 @@ class TimerManager : public Extensible timerlist Timers; public: - /** Tick all pending InspTimers + /** Constructor + */ + TimerManager(InspIRCd* Instance); + /** Tick all pending Timers * @param TIME the current system time */ void TickTimers(time_t TIME); - /** Add an InspTimer - * @param T an InspTimer derived class to add + /** Add an Timer + * @param T an Timer derived class to add + * @param secs_from_now You may set this to the number of seconds + * from the current time when the timer will tick, or you may just + * leave this unset and the values set by the Timers constructor + * will be used. This is used internally for re-triggering repeating + * timers. */ - void AddTimer(InspTimer* T); - /** Delete an InspTimer - * @param T an InspTimer derived class to delete + void AddTimer(Timer* T, long secs_from_now = 0); + /** Delete an Timer + * @param T an Timer derived class to delete */ - void DelTimer(InspTimer* T); + void DelTimer(Timer* T); /** Tick any timers that have been missed due to lag * @param TIME the current system time */ @@ -92,3 +153,4 @@ class TimerManager : public Extensible }; #endif +