Timer.h

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/*
 * To use this class, inherit from tcTimedObject. Contain a tcTimer and start it.
 * When the timer expires, it will call "TimerTicked" with a pointer to itself to compare against in case there are multiple timed events.
 */
 
#ifndef TCTIMER_H_
#define TCTIMER_H_
 
class tcTimer;
 
#include <time.h>
#include <signal.h>
#include <sys/time.h>
#include <stdint.h>
#include <chrono>
 
class tcTimedObject {
public:
    tcTimedObject() {};
    virtual ~tcTimedObject() {};
 
    virtual void timerTicked(tcTimer*) = 0;
};
 
class tcTimer {
public:
    tcTimer();
    virtual ~tcTimer();
 
    bool initializeTimer();
 
    bool startTimer(tcTimedObject* apTimedObject, uint32_t anSeconds, uint32_t anNanoseconds, bool abSingleShot = false);
 
    bool startTimer(tcTimedObject* apTimedObject, std::chrono::microseconds acDuration, bool abSingleShot = false);
 
    bool isStarted();
 
    void stopTimer();
 
private:
    static void timerExpired(union sigval auSig);
 
    struct itimerspec msTimerInterval;
    struct sigevent msSigevent;
    timer_t mhTimerId;
    tcTimedObject *mpObject;
    bool mbInitialized;
    bool mbStarted;
};
 
#endif /* TCTIMER_H_ */