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qdisc_hfsc.c revision 1.2 
      1 /*	$KAME: qdisc_hfsc.c,v 1.4 2001/08/15 12:51:59 kjc Exp $	*/
      2 /*
      3  * Copyright (C) 1999-2000
      4  *	Sony Computer Science Laboratories, Inc.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/param.h>
     29 #include <sys/ioctl.h>
     30 #include <sys/time.h>
     31 #include <sys/socket.h>
     32 #include <net/if.h>
     33 #include <netinet/in.h>
     34 #include <altq/altq.h>
     35 #include <altq/altq_hfsc.h>
     36 
     37 #include <stdio.h>
     38 #include <stdlib.h>
     39 #include <unistd.h>
     40 #include <string.h>
     41 #include <math.h>
     42 #include <errno.h>
     43 #include <err.h>
     44 
     45 #include "quip_client.h"
     46 #include "altqstat.h"
     47 
     48 #define NCLASSES	64
     49 
     50 void
     51 hfsc_stat_loop(int fd, const char *ifname, int count, int interval)
     52 {
     53 	struct class_stats	stats1[NCLASSES], stats2[NCLASSES];
     54 	char			clnames[NCLASSES][128];
     55 	struct hfsc_class_stats	get_stats;
     56 	struct class_stats	*sp, *lp, *new, *last, *tmp;
     57 	struct timeval		cur_time, last_time;
     58 	int			i;
     59 	double			sec;
     60 	int			cnt = count;
     61 
     62 	strlcpy(get_stats.iface.hfsc_ifname, ifname,
     63 		sizeof(get_stats.iface.hfsc_ifname));
     64 	new = &stats1[0];
     65 	last = &stats2[0];
     66 
     67 	/* invalidate class ids */
     68 	for (i=0; i<NCLASSES; i++)
     69 		last[i].class_id = 999999; /* XXX */
     70 
     71 	while (count == 0 || cnt-- > 0) {
     72 		get_stats.nskip = 0;
     73 		get_stats.nclasses = NCLASSES;
     74 		get_stats.stats = new;
     75 
     76 		if (ioctl(fd, HFSC_GETSTATS, &get_stats) < 0)
     77 			err(1, "ioctl HFSC_GETSTATS");
     78 
     79 		gettimeofday(&cur_time, NULL);
     80 		sec = calc_interval(&cur_time, &last_time);
     81 
     82 		printf("\ncur_time:%#llx %u classes %u packets in the tree\n",
     83 		       (ull)get_stats.cur_time,
     84 		       get_stats.hif_classes, get_stats.hif_packets);
     85 
     86 		for (i=0; i<get_stats.nclasses; i++) {
     87 			sp = &new[i];
     88 			lp = &last[i];
     89 
     90 			if (sp->class_id != lp->class_id) {
     91 				quip_chandle2name(ifname, sp->class_handle,
     92 						  clnames[i], sizeof(clnames[0]));
     93 				continue;
     94 			}
     95 
     96 			printf("[%2d %s] handle:%#lx [rt %s %ums %s][ls %s %ums %s]\n",
     97 			       sp->class_id, clnames[i], sp->class_handle,
     98 			       rate2str((double)sp->rsc.m1), sp->rsc.d,
     99 			       rate2str((double)sp->rsc.m2),
    100 			       rate2str((double)sp->fsc.m1), sp->fsc.d,
    101 			       rate2str((double)sp->fsc.m2));
    102 			printf("  measured: %sbps [rt:%s ls:%s] qlen:%2d period:%u\n",
    103 			       rate2str(calc_rate(sp->total, lp->total, sec)),
    104 			       rate2str(calc_rate(sp->cumul, lp->cumul, sec)),
    105 			       rate2str(calc_rate(sp->total - sp->cumul,
    106 						  lp->total - lp->cumul, sec)),
    107 			       sp->qlength, sp->period);
    108 			printf("     packets:%llu (%llu bytes) drops:%llu\n",
    109 			       (ull)sp->xmit_cnt.packets,
    110 			       (ull)sp->xmit_cnt.bytes,
    111 			       (ull)sp->drop_cnt.packets);
    112 			printf("     cumul:%#llx total:%#llx\n",
    113 			       (ull)sp->cumul, (ull)sp->total);
    114 			printf("     vt:%#llx d:%#llx e:%#llx\n",
    115 			       (ull)sp->vt, (ull)sp->d, (ull)sp->e);
    116 			if (sp->qtype == Q_RED)
    117 				print_redstats(sp->red);
    118 			else if (sp->qtype == Q_RIO)
    119 				print_riostats(sp->red);
    120 		}
    121 
    122 		/* swap the buffer pointers */
    123 		tmp = last;
    124 		last = new;
    125 		new = tmp;
    126 
    127 		last_time = cur_time;
    128 		sleep(interval);
    129 	}
    130 }
    131