cdev-1.7.2n

extensions/cdevGenericServer/cdevReactor/cdevTime.cc

@@ -0,0 +1,210 @@
+#include "cdevTime.h"
+
+cdevTime::cdevTime ( long sec, long usec )
+	{
+	setTime(sec, usec);
+	}
+	
+
+cdevTime::cdevTime ( double t )
+	{
+	setTime(t);
+	}
+	
+
+cdevTime::cdevTime ( timeval & t )
+	{
+	setTime(t);
+	}
+	
+
+cdevTime::cdevTime ( const cdevTime & t )
+	{
+	setTime(t);
+	}
+
+
+void cdevTime::getTime ( double * t ) const
+	{
+	if(t) *t = (double)tv_sec+(double)tv_usec/(double)ONE_SECOND;
+	}
+	
+
+void cdevTime::getTime ( long * sec, long * usec) const
+	{
+	if(sec && usec)	
+		{
+		*sec = tv_sec;
+		*usec = tv_usec;
+		}
+	}
+	
+
+void cdevTime::getTime ( timeval * t ) const
+	{
+	if(t)	{
+		t->tv_sec = tv_sec;
+		t->tv_usec = tv_usec;
+		}
+	}
+	
+
+void cdevTime::setTime ( void )
+	{
+	struct timeval tv_time;
+
+	gettimeofday(&tv_time);
+
+	tv_sec  = tv_time.tv_sec;
+	tv_usec = tv_time.tv_usec;
+	}
+
+	
+void cdevTime::setTime ( double t )
+	{
+	tv_sec = (long)t;
+	tv_usec = (long)((double)fmod(t, 1.0)*(double)ONE_SECOND);
+	normalize();
+	}
+
+
+void cdevTime::setTime ( long sec, long usec )
+	{
+	tv_sec = sec;
+	tv_usec = usec;
+	normalize();
+	}
+	
+
+void cdevTime::setTime ( timeval & t )
+	{
+	tv_sec  = t.tv_sec;
+	tv_usec = t.tv_usec;
+	normalize();
+	}
+	
+
+void cdevTime::setTime ( const cdevTime & t )
+	{
+	t.getTime(&tv_sec, &tv_usec);
+	normalize();
+	}
+	
+
+void cdevTime::clear ( void )
+	{
+	tv_sec = 0;
+	tv_usec = 0;
+	}
+	
+
+int cdevTime::isSet ( void ) const
+	{
+	return (tv_sec||tv_usec)?1:0;
+	}
+	
+
+int cdevTime::normalize ( void )
+	{
+	while ((this->tv_usec >= ONE_SECOND) 
+		 || (this->tv_sec < 0 && this->tv_usec > 0 ))
+		{
+		this->tv_usec -= ONE_SECOND;
+		this->tv_sec++;
+		}
+
+	while ((this->tv_usec <= -ONE_SECOND) 
+		|| (this->tv_sec > 0 && this->tv_usec < 0))
+		{
+		this->tv_usec += ONE_SECOND;
+		this->tv_sec--;
+		}
+	
+	return isSet();
+	}
+	
+
+cdevTime & cdevTime::operator = ( const cdevTime & t )
+	{
+	if (this != &t)
+		{
+		tv_sec = t.tv_sec;
+		tv_usec = t.tv_usec;
+		}
+	return *this;
+	}
+	
+
+cdevTime::operator double ( void )
+	{
+	return (double)tv_sec+(double)tv_usec/(double)ONE_SECOND;
+	}
+	
+
+cdevTime::operator timeval ( void )
+	{
+	timeval tv_time;
+
+	tv_time.tv_sec  = tv_sec;
+	tv_time.tv_usec = tv_usec;
+
+	return tv_time;
+	}
+	
+
+cdevTime operator + (cdevTime t1, cdevTime t2)
+	{
+	cdevTime sum (t1.tv_sec + t2.tv_sec, t1.tv_usec + t2.tv_usec);
+
+	sum.normalize ();
+	return sum;
+	}
+
+
+cdevTime operator - (cdevTime t1, cdevTime t2)
+	{
+	cdevTime delta (t1.tv_sec - t2.tv_sec, t1.tv_usec - t2.tv_usec);
+
+	delta.normalize ();
+	return delta;
+	}
+
+
+int operator > (cdevTime t1, cdevTime t2)
+	{
+	if (t1.tv_sec > t2.tv_sec) return 1;
+	else if (t1.tv_sec == t2.tv_sec && t1.tv_usec > t2.tv_usec) return 1;
+	else return 0;
+	}
+
+
+int operator >= (cdevTime t1, cdevTime t2)
+	{
+	if (t1.tv_sec > t2.tv_sec) return 1;
+	else if (t1.tv_sec == t2.tv_sec && t1.tv_usec >= t2.tv_usec) return 1;
+	else return 0;
+	}
+
+
+int operator < (cdevTime t1, cdevTime t2)
+	{
+	return t2 > t1;
+	}
+
+
+int operator <= (cdevTime t1, cdevTime t2)
+	{
+	return t2 >= t1;
+	}
+
+
+int operator == (cdevTime t1, cdevTime t2)
+	{
+	return t1.tv_sec == t2.tv_sec && t1.tv_usec == t2.tv_usec;
+	}
+
+
+int operator != (cdevTime t1, cdevTime t2)
+	{
+	return !(t1 == t2);
+	}