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qdisc_hfsc.c revision 1.3 
      1 /*	$NetBSD: qdisc_hfsc.c,v 1.3 2001/08/16 07:48:11 itojun Exp $	*/
      2 /*	$KAME: qdisc_hfsc.c,v 1.4 2001/08/15 12:51:59 kjc Exp $	*/
      3 /*
      4  * Copyright (C) 1999-2000
      5  *	Sony Computer Science Laboratories, Inc.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/param.h>
     30 #include <sys/ioctl.h>
     31 #include <sys/time.h>
     32 #include <sys/socket.h>
     33 #include <net/if.h>
     34 #include <netinet/in.h>
     35 #include <altq/altq.h>
     36 #include <altq/altq_hfsc.h>
     37 
     38 #include <stdio.h>
     39 #include <stdlib.h>
     40 #include <unistd.h>
     41 #include <string.h>
     42 #include <math.h>
     43 #include <errno.h>
     44 #include <err.h>
     45 
     46 #include "quip_client.h"
     47 #include "altqstat.h"
     48 
     49 #define NCLASSES	64
     50 
     51 void
     52 hfsc_stat_loop(int fd, const char *ifname, int count, int interval)
     53 {
     54 	struct class_stats	stats1[NCLASSES], stats2[NCLASSES];
     55 	char			clnames[NCLASSES][128];
     56 	struct hfsc_class_stats	get_stats;
     57 	struct class_stats	*sp, *lp, *new, *last, *tmp;
     58 	struct timeval		cur_time, last_time;
     59 	int			i;
     60 	double			sec;
     61 	int			cnt = count;
     62 
     63 	strlcpy(get_stats.iface.hfsc_ifname, ifname,
     64 		sizeof(get_stats.iface.hfsc_ifname));
     65 	new = &stats1[0];
     66 	last = &stats2[0];
     67 
     68 	/* invalidate class ids */
     69 	for (i=0; i<NCLASSES; i++)
     70 		last[i].class_id = 999999; /* XXX */
     71 
     72 	while (count == 0 || cnt-- > 0) {
     73 		get_stats.nskip = 0;
     74 		get_stats.nclasses = NCLASSES;
     75 		get_stats.stats = new;
     76 
     77 		if (ioctl(fd, HFSC_GETSTATS, &get_stats) < 0)
     78 			err(1, "ioctl HFSC_GETSTATS");
     79 
     80 		gettimeofday(&cur_time, NULL);
     81 		sec = calc_interval(&cur_time, &last_time);
     82 
     83 		printf("\ncur_time:%#llx %u classes %u packets in the tree\n",
     84 		       (ull)get_stats.cur_time,
     85 		       get_stats.hif_classes, get_stats.hif_packets);
     86 
     87 		for (i=0; i<get_stats.nclasses; i++) {
     88 			sp = &new[i];
     89 			lp = &last[i];
     90 
     91 			if (sp->class_id != lp->class_id) {
     92 				quip_chandle2name(ifname, sp->class_handle,
     93 						  clnames[i], sizeof(clnames[0]));
     94 				continue;
     95 			}
     96 
     97 			printf("[%2d %s] handle:%#lx [rt %s %ums %s][ls %s %ums %s]\n",
     98 			       sp->class_id, clnames[i], sp->class_handle,
     99 			       rate2str((double)sp->rsc.m1), sp->rsc.d,
    100 			       rate2str((double)sp->rsc.m2),
    101 			       rate2str((double)sp->fsc.m1), sp->fsc.d,
    102 			       rate2str((double)sp->fsc.m2));
    103 			printf("  measured: %sbps [rt:%s ls:%s] qlen:%2d period:%u\n",
    104 			       rate2str(calc_rate(sp->total, lp->total, sec)),
    105 			       rate2str(calc_rate(sp->cumul, lp->cumul, sec)),
    106 			       rate2str(calc_rate(sp->total - sp->cumul,
    107 						  lp->total - lp->cumul, sec)),
    108 			       sp->qlength, sp->period);
    109 			printf("     packets:%llu (%llu bytes) drops:%llu\n",
    110 			       (ull)sp->xmit_cnt.packets,
    111 			       (ull)sp->xmit_cnt.bytes,
    112 			       (ull)sp->drop_cnt.packets);
    113 			printf("     cumul:%#llx total:%#llx\n",
    114 			       (ull)sp->cumul, (ull)sp->total);
    115 			printf("     vt:%#llx d:%#llx e:%#llx\n",
    116 			       (ull)sp->vt, (ull)sp->d, (ull)sp->e);
    117 			if (sp->qtype == Q_RED)
    118 				print_redstats(sp->red);
    119 			else if (sp->qtype == Q_RIO)
    120 				print_riostats(sp->red);
    121 		}
    122 
    123 		/* swap the buffer pointers */
    124 		tmp = last;
    125 		last = new;
    126 		new = tmp;
    127 
    128 		last_time = cur_time;
    129 		sleep(interval);
    130 	}
    131 }
    132