DD2-monitor/core/utils.c

64 lines
1.2 KiB
C
Raw Normal View History

2018-12-06 02:00:11 +11:00
/*
2019-01-17 21:51:07 +11:00
* core/utils.c
2018-12-06 02:00:11 +11:00
*/
#include <stdio.h>
2018-12-14 05:39:06 +11:00
#include <unistd.h>
2018-12-06 02:00:11 +11:00
#include <stdlib.h>
#include <string.h>
2018-12-14 05:39:06 +11:00
#include <time.h>
2018-12-06 03:58:55 +11:00
#include <sys/time.h>
2018-12-06 02:00:11 +11:00
2018-12-06 02:04:09 +11:00
extern int verbosity;
2018-12-14 05:39:06 +11:00
/* --------------------------------------------------------------- */
2019-04-02 05:44:54 +11:00
/* maybe not a really goof initialisation... */
2018-12-14 05:39:06 +11:00
int seed_my_rand(int foo)
{
long v1, v2;
v1 = getpid(); v2 = time(NULL);
return v1 ^ v2;
}
2018-12-06 03:58:55 +11:00
/* --------------------------------------------------------------- */
2018-12-07 07:06:34 +11:00
int random1000(int type)
2018-12-06 02:00:11 +11:00
{
2019-01-27 23:03:59 +11:00
int value, foo;
2019-01-17 21:51:07 +11:00
#if DEBUG_LEVEL > 1
fprintf(stderr, ">>> %s(%d)\n", __func__, type);
#endif
2018-12-07 07:06:34 +11:00
switch (type) {
case 0:
value = rand() % 1000;
break;
case 1:
value = (rand()%1000 + rand()%1000) / 2;
break;
2019-01-27 23:03:59 +11:00
case 4:
value = 0;
for (foo=0; foo<4; foo++)
value += rand() % 1000;
value /= 4;
break;
2018-12-07 07:06:34 +11:00
default:
value = -1;
break;
}
2018-12-06 02:00:11 +11:00
return value;
}
2018-12-06 03:58:55 +11:00
/* --------------------------------------------------------------- */
double dtime(void)
{
struct timeval tv;
int foo;
foo = gettimeofday(&tv, NULL);
if (foo) fprintf(stderr, "got %d in %s\n", foo, __func__);
return (double)tv.tv_sec + (double)tv.tv_usec / 1e6;
}
/* --------------------------------------------------------------- */