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129 lines
2.3 KiB
129 lines
2.3 KiB
// HtTime.h
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//
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// class HtTime:
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// tools for timing
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//
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// Part of the ht://Dig package <http://www.htdig.org/>
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// Copyright (c) 1999-2004 The ht://Dig Group
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// For copyright details, see the file COPYING in your distribution
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// or the GNU Library General Public License (LGPL) version 2 or later
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// <http://www.gnu.org/copyleft/lgpl.html>
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//
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// $Id: HtTime.h,v 1.8 2004/05/28 13:15:21 lha Exp $
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//
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#ifndef _HtTime_h_
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#define _HtTime_h_
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#if TIME_WITH_SYS_TIME
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#include <sys/time.h>
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#include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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#ifdef _MSC_VER /* _WIN32 */
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#include <sys/timeb.h>
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#endif
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class HtTime
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{
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public:
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// time in seconds (double format)
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static inline double DTime()
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{
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#ifdef _MSC_VER /* _WIN32 */
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struct timeb tb;
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ftime(&tb);
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return((double)((tb.millitm/1000)+tb.time+tb.timezone));
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#else
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struct timeval tv;
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gettimeofday(&tv,NULL);
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return(tv.tv_usec/1000000.0+tv.tv_sec);
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#endif
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}
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// time in seconds relative to T0 (double format)
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static inline double DTime(double T0)
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{
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#ifdef _MSC_VER /* _WIN32 */
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struct timeb tb;
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ftime(&tb);
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return((double)(((tb.millitm/1000)+tb.time+tb.timezone))-T0);
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#else
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struct timeval tv;
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gettimeofday(&tv,NULL);
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return((tv.tv_usec/1000000.0+tv.tv_sec)-T0);
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#endif
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}
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// Do something every x seconds
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class Periodic
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{
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double t0;
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double last;
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double period;
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public:
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double total(){return(HtTime::DTime(t0));}
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void change_period(double nperiod){period=nperiod;}
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int operator()(double *prperiod=NULL)
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{
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double t=HtTime::DTime(t0);
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if(prperiod){*prperiod=t-last;}
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if((t-last)>period)
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{
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last=t;
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return(1);
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}
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return(0);
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}
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Periodic(double nperiod=.1)
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{
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period=nperiod;
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t0=HtTime::DTime();
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last=0;
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}
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};
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#ifdef NOTDEF
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// print progression message every x seconds
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class Progression
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{
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double t0;
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double last;
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double period;
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char *label;
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public:
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double total(){return(HtTime::DTime()-t0);}
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int operator()(double x)
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{
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double t=HtTime::DTime()-t0;
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if((t-last)>period)
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{
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last=t;
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printf("%s (%f): %f\n",label,t,x);
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return(1);
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}
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return(0);
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}
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Progression(double nperiod=.1,char *nlabel=(char *)"progression")
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{
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label=nlabel;
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period=nperiod;
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t0=HtTime::DTime();
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last=0;
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}
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};
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#endif
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};
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#endif // _HtTime_h_
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