/usr/include/afflib/aftimer.h is in libafflib-dev 3.7.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Distributed under the Berkeley 4-part license.
* Simson L. Garfinkel, March 12, 2012
*/
#ifndef __AFTIMER_H__
#define __AFTIMER_H__
#ifdef __cplusplus
#ifndef WIN32
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <inttypes.h>
#include <sys/time.h>
#endif
#include <sys/types.h>
#include <stdio.h>
#include <string>
class aftimer {
struct timeval t0;
bool running;
long total_sec;
long total_usec;
double lap_time_; // time from when we last did a "stop"
public:
aftimer():t0(),running(false),total_sec(0),total_usec(0),lap_time_(0){}
void start(); // start the timer
void stop(); // stop the timer
time_t tstart() { return t0.tv_sec;} // time we started
double elapsed_seconds(); // how long timer has been running, total
double lap_time(); // how long the timer is running this time
double eta(double fraction_done); // calculate ETA in seconds, given fraction
std::string hms(long t); // turn a number of seconds into h:m:s
std::string elapsed_text(); /* how long we have been running */
std::string eta_text(double fraction_done); // h:m:s
std::string eta_time(double fraction_done); // the actual time
};
/* This code in part from
* http://social.msdn.microsoft.com/Forums/en/vcgeneral/thread/430449b3-f6dd-4e18-84de-eebd26a8d668
*/
#ifdef WIN32
# include <winsock2.h>
# include <windows.h>
# ifndef DELTA_EPOCH_IN_MICROSECS
# if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
# define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
# else
# define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
# endif
# endif
#endif
inline void timestamp(struct timeval *t)
{
#ifdef WIN32
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
unsigned __int64 tmpres = 0;
tmpres |= ft.dwHighDateTime;
tmpres <<= 32;
tmpres |= ft.dwLowDateTime;
/*converting file time to unix epoch*/
tmpres -= DELTA_EPOCH_IN_MICROSECS;
tmpres /= 10; /*convert into microseconds*/
t->tv_sec = (long)(tmpres / 1000000UL);
t->tv_usec = (long)(tmpres % 1000000UL);
#else
gettimeofday(t,NULL);
#endif
}
inline void aftimer::start()
{
timestamp(&t0);
running = 1;
}
inline void aftimer::stop(){
if(running){
struct timeval t;
timestamp(&t);
total_sec += t.tv_sec - t0.tv_sec;
total_usec += t.tv_usec - t0.tv_usec;
lap_time_ = (double)(t.tv_sec - t0.tv_sec) + (double)(t.tv_usec - t0.tv_usec)/1000000.0;
running = false;
}
}
inline double aftimer::lap_time()
{
return lap_time_;
}
inline double aftimer::elapsed_seconds()
{
double ret = (double)total_sec + (double)total_usec/1000000.0;
if(running){
struct timeval t;
timestamp(&t);
ret += t.tv_sec - t0.tv_sec;
ret += (t.tv_usec - t0.tv_usec) / 1000000.0;
}
return ret;
}
inline std::string aftimer::hms(long t)
{
char buf[64];
int days = t / (60*60*24);
t = t % (60*60*24); /* what's left */
int h = t / 3600;
int m = (t / 60) % 60;
int s = t % 60;
buf[0] = 0;
switch(days){
case 0:
snprintf(buf,sizeof(buf),"%2d:%02d:%02d",h,m,s);
break;
case 1:
snprintf(buf,sizeof(buf),"%d day, %2d:%02d:%02d",days,h,m,s);
break;
default:
snprintf(buf,sizeof(buf),"%d days %2d:%02d:%02d",days,h,m,s);
}
return std::string(buf);
}
inline std::string aftimer::elapsed_text()
{
return hms((int)elapsed_seconds());
}
/**
* returns the number of seconds until the job is complete.
*/
inline double aftimer::eta(double fraction_done)
{
double t = elapsed_seconds();
if(t<=0) return -1; // can't figure it out
if(fraction_done<=0) return -1; // can't figure it out
return (t * 1.0/fraction_done - t);
}
/**
* Retuns the number of hours:minutes:seconds until the job is done.
*/
inline std::string aftimer::eta_text(double fraction_done)
{
double e = eta(fraction_done);
if(e<0) return std::string("n/a"); // can't figure it out
return hms((long)e);
}
/**
* Returns the time when data is due.
*/
inline std::string aftimer::eta_time(double fraction_done)
{
time_t when = time_t(eta(fraction_done)) + time(0);
struct tm tm;
#ifdef HAVE_LOCALTIME_R
localtime_r(&when,&tm);
#else
tm = *localtime(&when);
#endif
char buf[64];
snprintf(buf,sizeof(buf),"%02d:%02d:%02d",tm.tm_hour,tm.tm_min,tm.tm_sec);
return std::string(buf);
}
#endif
#endif
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