NetBSD/usr.sbin/altq/altqstat/qdisc_priq.c

127 lines
3.8 KiB
C

/* $NetBSD: qdisc_priq.c,v 1.6 2006/10/28 11:43:02 peter Exp $ */
/* $KAME: qdisc_priq.c,v 1.6 2003/07/10 12:09:38 kjc Exp $ */
/*
* Copyright (C) 2000
* Sony Computer Science Laboratories, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <altq/altq.h>
#include <altq/altq_priq.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <err.h>
#include "quip_client.h"
#include "altqstat.h"
void
priq_stat_loop(int fd, const char *ifname, int count, int interval)
{
struct priq_classstats stats1[PRIQ_MAXPRI], stats2[PRIQ_MAXPRI];
char clnames[PRIQ_MAXPRI][128];
struct priq_class_stats get_stats;
struct priq_classstats *sp, *lp, *new, *last, *tmp;
struct timeval cur_time, last_time;
int i;
double sec;
int cnt = count;
sigset_t omask;
strlcpy(get_stats.iface.ifname, ifname,
sizeof(get_stats.iface.ifname));
new = &stats1[0];
last = &stats2[0];
/* invalidate class handles */
for (i=0; i<PRIQ_MAXPRI; i++)
last[i].class_handle = PRIQ_NULLCLASS_HANDLE;
for (;;) {
get_stats.stats = new;
get_stats.maxpri = PRIQ_MAXPRI;
if (ioctl(fd, PRIQ_GETSTATS, &get_stats) < 0)
err(1, "ioctl PRIQ_GETSTATS");
gettimeofday(&cur_time, NULL);
sec = calc_interval(&cur_time, &last_time);
printf("\n%s:\n", ifname);
for (i = get_stats.maxpri; i >= 0; i--) {
sp = &new[i];
lp = &last[i];
if (sp->class_handle == PRIQ_NULLCLASS_HANDLE)
continue;
if (sp->class_handle != lp->class_handle) {
quip_chandle2name(ifname, sp->class_handle,
clnames[i], sizeof(clnames[0]));
}
printf("[%s] handle:%#x pri:%d\n",
clnames[i], sp->class_handle, i);
if (lp->class_handle != PRIQ_NULLCLASS_HANDLE) {
printf(" measured: %sbps qlen:%2d period:%u\n",
rate2str(calc_rate(sp->xmitcnt.bytes,
lp->xmitcnt.bytes, sec)),
sp->qlength, sp->period);
}
printf(" packets:%llu (%llu bytes) drops:%llu\n",
(ull)sp->xmitcnt.packets,
(ull)sp->xmitcnt.bytes,
(ull)sp->dropcnt.packets);
if (sp->qtype == Q_RED)
print_redstats(sp->red);
else if (sp->qtype == Q_RIO)
print_riostats(sp->red);
}
/* swap the buffer pointers */
tmp = last;
last = new;
new = tmp;
last_time = cur_time;
if (count != 0 && --cnt == 0)
break;
/* wait for alarm signal */
if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
sigsuspend(&omask);
}
}