Re: Connection Time

[Daniel Knapp]

> Does anyone know of a way that I can figure out how long a given computer
> has been connected to a network interface?  I want to be able to check to
> see how long my PPP connection has been up. ;)

As Attachment there's a little program from me which counts the time after
calling it. Only start it when you dial in and stop it when you'll dial
out.

-Dan


Dan Knapp:                          C/C++ Developer
eMail:                             [EMAIL PROTECTED]
Member: FPSGE                http://fpsge.notrix.de
Member: OGRE            http://www.teamtnt.com/ogre

#include <time.h>
#include <stdio.h>
#include <unistd.h>

#define SEC_PRO_TAG     (24*60*60)
#define SEC_PRO_STUNDE  (60*60)
#define SEC_PRO_MINUTE  (60)
#define SEC_PRO_SEKUNDE (1)

int main (void) 
{
    time_t startzeit;
    time_t differenz;
    
    long tage, stunden, minuten, sekunden;

    startzeit = time(NULL);

    while (1)
    {
        sleep(1);
        differenz = time(NULL) - startzeit;

        differenz -= (tage = differenz / SEC_PRO_TAG) * SEC_PRO_TAG;
        differenz -= (stunden = differenz / SEC_PRO_STUNDE) * SEC_PRO_STUNDE;
        differenz -= (minuten = differenz / SEC_PRO_MINUTE) * SEC_PRO_MINUTE;
        differenz -= (sekunden = differenz / SEC_PRO_SEKUNDE) * SEC_PRO_SEKUNDE;

        printf("%d Tage %d Std. %d min. %d sec.\n", tage, stunden, minuten, sekunden 
);

            if (differenz)
            {
                printf( "bogus result of calculation, exiting...\n" );
                exit(1);
            }
    }
        /* Never reached */
    exit(0);
}