htop/UptimeMeter.c

63 lines
1.4 KiB
C

/*
htop - UptimeMeter.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "UptimeMeter.h"
#include "ProcessList.h"
#include "CRT.h"
#include <math.h>
/*{
#include "Meter.h"
}*/
int UptimeMeter_attributes[] = {
UPTIME
};
static void UptimeMeter_setValues(Meter* this, char* buffer, int len) {
double uptime = 0;
FILE* fd = fopen(PROCDIR "/uptime", "r");
if (fd) {
fscanf(fd, "%64lf", &uptime);
fclose(fd);
}
int totalseconds = (int) ceil(uptime);
int seconds = totalseconds % 60;
int minutes = (totalseconds/60) % 60;
int hours = (totalseconds/3600) % 24;
int days = (totalseconds/86400);
this->values[0] = days;
if (days > this->total) {
this->total = days;
}
char daysbuf[15];
if (days > 100) {
sprintf(daysbuf, "%d days(!), ", days);
} else if (days > 1) {
sprintf(daysbuf, "%d days, ", days);
} else if (days == 1) {
sprintf(daysbuf, "1 day, ");
} else {
daysbuf[0] = '\0';
}
snprintf(buffer, len, "%s%02d:%02d:%02d", daysbuf, hours, minutes, seconds);
}
MeterType UptimeMeter = {
.setValues = UptimeMeter_setValues,
.display = NULL,
.mode = TEXT_METERMODE,
.items = 1,
.total = 100.0,
.attributes = UptimeMeter_attributes,
.name = "Uptime",
.uiName = "Uptime",
.caption = "Uptime: "
};