int
kif_init(void)
{
RB_INIT(&kit);
if (fetchifs(0) == -1)
return (-1);
return (0);
}
/*
* Print a running summary of interface statistics.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
static void
sidewaysintpr(unsigned int interval, int repeatcount)
{
sigset_t emptyset;
int line;
char ibytes[FMT_SCALED_STRSIZE];
char obytes[FMT_SCALED_STRSIZE];
fetchifs();
if (ip_cur.ift_name[0] == '\0') {
fprintf(stderr, "%s: %s: unknown interface\n",
__progname, interface);
exit(1);
}
(void)signal(SIGALRM, catchalarm);
signalled = 0;
(void)alarm(interval);
banner:
if (bflag)
printf("%7.7s in %8.8s %6.6s out %5.5s",
ip_cur.ift_name, " ",
ip_cur.ift_name, " ");
else
printf("%5.5s in %5.5s%5.5s out %5.5s %5.5s",
ip_cur.ift_name, " ",
ip_cur.ift_name, " ", " ");
if (dflag)
printf(" %5.5s", " ");
if (bflag)
printf(" %7.7s in %8.8s %6.6s out %5.5s",
"total", " ", "total", " ");
else
printf(" %5.5s in %5.5s%5.5s out %5.5s %5.5s",
"total", " ", "total", " ", " ");
if (dflag)
printf(" %5.5s", " ");
putchar('\n');
if (bflag)
printf("%10.10s %8.8s %10.10s %5.5s",
"bytes", " ", "bytes", " ");
else
printf("%8.8s %5.5s %8.8s %5.5s %5.5s",
"packets", "errs", "packets", "errs", "colls");
if (dflag)
printf(" %5.5s", "drops");
if (bflag)
printf("%10.10s %8.8s %10.10s %5.5s",
"bytes", " ", "bytes", " ");
else
printf(" %8.8s %5.5s %8.8s %5.5s %5.5s",
"packets", "errs", "packets", "errs", "colls");
if (dflag)
printf(" %5.5s", "drops");
putchar('\n');
fflush(stdout);
line = 0;
bzero(&ip_old, sizeof(ip_old));
bzero(&sum_old, sizeof(sum_old));
loop:
bzero(&sum_cur, sizeof(sum_cur));
fetchifs();
if (bflag) {
if (hflag) {
fmt_scaled(ip_cur.ift_ib - ip_old.ift_ib, ibytes);
fmt_scaled(ip_cur.ift_ob - ip_old.ift_ob, obytes);
printf("%10s %8.8s %10s %5.5s",
ibytes, " ", obytes, " ");
} else
printf("%10llu %8.8s %10llu %5.5s",
ip_cur.ift_ib - ip_old.ift_ib, " ",
ip_cur.ift_ob - ip_old.ift_ob, " ");
} else
printf("%8llu %5llu %8llu %5llu %5llu",
ip_cur.ift_ip - ip_old.ift_ip,
ip_cur.ift_ie - ip_old.ift_ie,
ip_cur.ift_op - ip_old.ift_op,
ip_cur.ift_oe - ip_old.ift_oe,
ip_cur.ift_co - ip_old.ift_co);
if (dflag)
printf(" %5llu",
/* XXX ifnet.if_snd.ifq_drops - ip->ift_dr); */
0LL);
ip_old = ip_cur;
if (bflag) {
if (hflag) {
fmt_scaled(sum_cur.ift_ib - sum_old.ift_ib, ibytes);
fmt_scaled(sum_cur.ift_ob - sum_old.ift_ob, obytes);
printf(" %10s %8.8s %10s %5.5s",
ibytes, " ", obytes, " ");
} else
printf(" %10llu %8.8s %10llu %5.5s",
sum_cur.ift_ib - sum_old.ift_ib, " ",
sum_cur.ift_ob - sum_old.ift_ob, " ");
} else
printf(" %8llu %5llu %8llu %5llu %5llu",
sum_cur.ift_ip - sum_old.ift_ip,
sum_cur.ift_ie - sum_old.ift_ie,
sum_cur.ift_op - sum_old.ift_op,
sum_cur.ift_oe - sum_old.ift_oe,
sum_cur.ift_co - sum_old.ift_co);
if (dflag)
printf(" %5llu", sum_cur.ift_dr - sum_old.ift_dr);
sum_old = sum_cur;
putchar('\n');
fflush(stdout);
if (repeatcount && --repeatcount == 0)
return;
line++;
sigemptyset(&emptyset);
if (!signalled)
sigsuspend(&emptyset);
signalled = 0;
(void)alarm(interval);
if (line == 21 && isatty(STDOUT_FILENO))
goto banner;
goto loop;
}
