htimer.h

#ifndef __HTIMER_H
#define __HTIMER_H
 
class HTimer
{
    private:
 
        time_t _start;
        time_t _stop;
 
        time_t ParseDateTime(char *datetime);
 
        static char *Asctime2(struct tm* tm);
 
        bool _active;
 
    public:
 
        HTimer();
 
        HTimer(char* stop);
 
        HTimer(char* start, char* stop);
 
        HTimer(long duration)
        {
            _start = time(0);
            _stop = _start + duration;
        }
 
        void SetStart(char* datetime);
 
        void SetStop(char* datetime);
 
        long Duration()
        {
            if( !_active )
            {
                return 0;
            }
            time_t now = time(0);
            return _stop - now;
        }
 
        bool Active()
        {
            time_t now = time(0);
            return _active && now >= _start && now < _stop;
        }
 
        bool Before()
        {
            time_t now = time(0);
            return _active && now < _start;
        }
 
        bool After()
        {
            time_t now = time(0);
            return _active && now > _stop;
        }
 
        void Wait();
 
        time_t Start()
        {
            return _start;
        }
 
        time_t Stop()
        {
            return _stop;
        }
};
 
#endif