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misc.cc

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//**************************************************************************
#include <stdio.h>
#include <unistd.h>
#include <netdb.h>
#include <sys/time.h>
#include <sys/stat.h>
//**************************************************************************
int myTimer()   // returns time in milliseconds (ms)
{
struct timeval tv;
struct timezone tz;

gettimeofday(&tv,&tz);

return (int) ((tv.tv_sec * 1000) + (tv.tv_usec / 1000));
}
//**************************************************************************
double myTimer2()       // returns time in milliseconds (ms)
{
struct timeval tv;
struct timezone tz;

gettimeofday(&tv,&tz);

return ((tv.tv_sec * 1000.0) + (tv.tv_usec / 1000.0));
}
//**************************************************************************
int mySleep(int n)      // sleep for "n" microseconds
{
sleep(n/1000000);
usleep(n%1000000);

return 0;
}
//**************************************************************************
char *getlocalIP(void)
{ 
char hostname[200];
struct hostent *host; 
int i, a[4]; 
 
gethostname(hostname, 100); 
host = gethostbyname(hostname); 
 
for (i = 0; i < 4; i++) 
        {
         a[i] = (unsigned int) host->h_addr_list[0][i];
         if (a[i] < 0) a[i] += 256;
        }

char *ipaddr = new char[16];
sprintf(ipaddr, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);

return ipaddr;
//unsigned long rmid = inet_addr(ipaddr);
//printf("%s[%s]: %ld\n", hostname, ipaddr, rmid); 
}
//**************************************************************************
int getFileSize(char *filename)
{
struct stat statbuf;

stat(filename, &statbuf);

return statbuf.st_size;
}
//**************************************************************************

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