/* $NetBSD: qdisc_cbq.c,v 1.11 2021/07/21 06:48:28 ozaki-r Exp $ */
/* $KAME: qdisc_cbq.c,v 1.7 2003/09/17 14:27:37 kjc Exp $ */
/*
* Copyright (C) 1999-2000
* 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_cbq.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <math.h>
#include <errno.h>
#include <err.h>
#include "quip_client.h"
#include "altqstat.h"
#define NCLASSES 64
#ifndef RM_FILTER_GAIN
#define RM_FILTER_GAIN 5 /* log2 of gain, e.g., 5 => 31/32 */
#endif
#ifndef RM_POWER
#define RM_POWER (1 << RM_FILTER_GAIN)
#endif
void
cbq_stat_loop(int fd, const char *ifname, int count, int interval)
{
class_stats_t stats1[NCLASSES], stats2[NCLASSES];
char clnames[NCLASSES][128];
u_long clhandles[NCLASSES];
struct cbq_getstats get_stats;
class_stats_t *sp, *lp, *new, *last, *tmp;
struct timeval cur_time, last_time;
int i;
double flow_bps, sec;
int cnt = count;
sigset_t omask;
strlcpy(get_stats.iface.cbq_ifacename, ifname,
sizeof(get_stats.iface.cbq_ifacename));
new = &stats1[0];
last = &stats2[0];
for (i = 0; i < NCLASSES; i++)
clhandles[i] = NULL_CLASS_HANDLE;
for (;;) {
get_stats.nclasses = NCLASSES;
get_stats.stats = new;
if (ioctl(fd, CBQ_GETSTATS, &get_stats) < 0)
err(1, "ioctl CBQ_GETSTATS");
gettimeofday(&cur_time, NULL);
sec = calc_interval(&cur_time, &last_time);
for (i=0; i<get_stats.nclasses; i++) {
sp = &new[i];
lp = &last[i];
if (sp->handle != clhandles[i]) {
quip_chandle2name(ifname, sp->handle,
clnames[i], sizeof(clnames[0]));
clhandles[i] = sp->handle;
}
printf("Class %d on Interface %s: %s\n",
sp->handle, ifname, clnames[i]);
flow_bps = 8.0 / (double)sp->ps_per_byte
* 1000*1000*1000*1000;
printf("\tpriority: %d depth: %d",
sp->priority, sp->depth);
printf(" offtime: %"PRIi64" [ns] wrr_allot: %d bytes\n",
sp->offtime, sp->wrr_allot);
printf("\tpsPerByte: %"PRIu64, sp->ps_per_byte);
printf("\t(%sbps)", rate2str(flow_bps));
if (lp->handle != NULL_CLASS_HANDLE) {
printf(",\tMeasured: %s [bps]\n",
rate2str(calc_rate(sp->xmit_cnt.bytes,
lp->xmit_cnt.bytes, sec)));
} else {
printf("\n");
}
printf("\tpkts: %llu,\tbytes: %llu\n",
(ull)sp->xmit_cnt.packets,
(ull)sp->xmit_cnt.bytes);
printf("\tovers: %u,\toveractions: %u\n",
sp->over, sp->overactions);
printf("\tborrows: %u,\tdelays: %u\n",
sp->borrows, sp->delays);
printf("\tdrops: %llu,\tdrop_bytes: %llu\n",
(ull)sp->drop_cnt.packets,
(ull)sp->drop_cnt.bytes);
if (sp->qtype == Q_RED)
print_redstats(sp->red);
else if (sp->qtype == Q_RIO)
print_riostats(sp->red);
printf("\tQCount: %d,\t(qmax: %d)\n",
sp->qcnt, sp->qmax);
#if 0
printf("\tAvgIdle: %d [us],\t(maxidle: %d minidle: %d [us])\n",
sp->avgidle >> RM_FILTER_GAIN,
sp->maxidle >> RM_FILTER_GAIN,
sp->minidle / RM_POWER);
#else
printf("\tAvgIdle: %"PRIi64" [ns],\t(maxidle: %"PRIi64" minidle: %"PRIi64" [ns])\n",
sp->avgidle, sp->maxidle, sp->minidle);
#endif
}
/* 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);
}
}
