xref: /netbsd/usr.sbin/altq/altqstat/qdisc_hfsc.c (revision bf9ec67e)
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