157 lines
4.6 KiB
C
157 lines
4.6 KiB
C
/* $NetBSD: qdisc_cbq.c,v 1.7 2006/10/28 11:43:02 peter Exp $ */
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/* $KAME: qdisc_cbq.c,v 1.7 2003/09/17 14:27:37 kjc Exp $ */
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/*
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* Copyright (C) 1999-2000
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* Sony Computer Science Laboratories, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <altq/altq.h>
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#include <altq/altq_cbq.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <math.h>
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#include <errno.h>
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#include <err.h>
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#include "quip_client.h"
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#include "altqstat.h"
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#define NCLASSES 64
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#ifndef RM_FILTER_GAIN
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#define RM_FILTER_GAIN 5 /* log2 of gain, e.g., 5 => 31/32 */
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#endif
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#ifndef RM_POWER
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#define RM_POWER (1 << RM_FILTER_GAIN)
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#endif
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void
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cbq_stat_loop(int fd, const char *ifname, int count, int interval)
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{
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class_stats_t stats1[NCLASSES], stats2[NCLASSES];
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char clnames[NCLASSES][128];
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u_long clhandles[NCLASSES];
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struct cbq_getstats get_stats;
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class_stats_t *sp, *lp, *new, *last, *tmp;
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struct timeval cur_time, last_time;
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int i;
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double flow_bps, sec;
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int cnt = count;
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sigset_t omask;
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strlcpy(get_stats.iface.cbq_ifacename, ifname,
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sizeof(get_stats.iface.cbq_ifacename));
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new = &stats1[0];
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last = &stats2[0];
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for (i = 0; i < NCLASSES; i++)
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clhandles[i] = NULL_CLASS_HANDLE;
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for (;;) {
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get_stats.nclasses = NCLASSES;
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get_stats.stats = new;
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if (ioctl(fd, CBQ_GETSTATS, &get_stats) < 0)
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err(1, "ioctl CBQ_GETSTATS");
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gettimeofday(&cur_time, NULL);
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sec = calc_interval(&cur_time, &last_time);
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for (i=0; i<get_stats.nclasses; i++) {
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sp = &new[i];
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lp = &last[i];
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if (sp->handle != clhandles[i]) {
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quip_chandle2name(ifname, sp->handle,
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clnames[i], sizeof(clnames[0]));
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clhandles[i] = sp->handle;
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}
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printf("Class %d on Interface %s: %s\n",
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sp->handle, ifname, clnames[i]);
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flow_bps = 8.0 / (double)sp->ns_per_byte
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* 1000*1000*1000;
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printf("\tpriority: %d depth: %d",
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sp->priority, sp->depth);
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printf(" offtime: %d [us] wrr_allot: %d bytes\n",
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sp->offtime, sp->wrr_allot);
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printf("\tnsPerByte: %d", sp->ns_per_byte);
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printf("\t(%sbps)", rate2str(flow_bps));
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if (lp->handle != NULL_CLASS_HANDLE) {
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printf(",\tMeasured: %s [bps]\n",
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rate2str(calc_rate(sp->xmit_cnt.bytes,
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lp->xmit_cnt.bytes, sec)));
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} else {
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printf("\n");
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}
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printf("\tpkts: %llu,\tbytes: %llu\n",
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(ull)sp->xmit_cnt.packets,
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(ull)sp->xmit_cnt.bytes);
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printf("\tovers: %u,\toveractions: %u\n",
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sp->over, sp->overactions);
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printf("\tborrows: %u,\tdelays: %u\n",
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sp->borrows, sp->delays);
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printf("\tdrops: %llu,\tdrop_bytes: %llu\n",
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(ull)sp->drop_cnt.packets,
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(ull)sp->drop_cnt.bytes);
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if (sp->qtype == Q_RED)
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print_redstats(sp->red);
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else if (sp->qtype == Q_RIO)
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print_riostats(sp->red);
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printf("\tQCount: %d,\t(qmax: %d)\n",
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sp->qcnt, sp->qmax);
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printf("\tAvgIdle: %d [us],\t(maxidle: %d minidle: %d [us])\n",
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sp->avgidle >> RM_FILTER_GAIN,
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sp->maxidle >> RM_FILTER_GAIN,
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sp->minidle / RM_POWER);
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}
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/* swap the buffer pointers */
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tmp = last;
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last = new;
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new = tmp;
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last_time = cur_time;
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if (count != 0 && --cnt == 0)
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break;
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/* wait for alarm signal */
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if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
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sigsuspend(&omask);
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}
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}
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