xref: /netbsd/usr.sbin/altq/altqstat/qdisc_priq.c (revision bf9ec67e)
1 /*	$NetBSD: qdisc_priq.c,v 1.3 2001/08/16 07:48:12 itojun Exp $	*/
2 /*	$KAME: qdisc_priq.c,v 1.2 2001/08/15 12:51:59 kjc Exp $	*/
3 /*
4  * Copyright (C) 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_priq.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 void
50 priq_stat_loop(int fd, const char *ifname, int count, int interval)
51 {
52 	struct class_stats stats1[PRIQ_MAXPRI], stats2[PRIQ_MAXPRI];
53 	char clnames[PRIQ_MAXPRI][128];
54 	struct priq_class_stats	get_stats;
55 	struct class_stats	*sp, *lp, *new, *last, *tmp;
56 	struct timeval		cur_time, last_time;
57 	int			i;
58 	double			sec;
59 	int			cnt = count;
60 
61 	strlcpy(get_stats.iface.ifname, ifname,
62 		sizeof(get_stats.iface.ifname));
63 	new = &stats1[0];
64 	last = &stats2[0];
65 
66 	/* invalidate class handles */
67 	for (i=0; i<PRIQ_MAXPRI; i++)
68 		last[i].class_handle = PRIQ_NULLCLASS_HANDLE;
69 
70 	while (count == 0 || cnt-- > 0) {
71 		get_stats.stats = new;
72 		get_stats.maxpri = PRIQ_MAXPRI;
73 		if (ioctl(fd, PRIQ_GETSTATS, &get_stats) < 0)
74 			err(1, "ioctl PRIQ_GETSTATS");
75 
76 		gettimeofday(&cur_time, NULL);
77 		sec = calc_interval(&cur_time, &last_time);
78 
79 		printf("\n%s:\n", ifname);
80 
81 		for (i = get_stats.maxpri; i >= 0; i--) {
82 			sp = &new[i];
83 			lp = &last[i];
84 
85 			if (sp->class_handle == PRIQ_NULLCLASS_HANDLE)
86 				continue;
87 
88 			if (sp->class_handle != lp->class_handle) {
89 				quip_chandle2name(ifname, sp->class_handle,
90 						  clnames[i], sizeof(clnames[0]));
91 				continue;
92 			}
93 
94 			printf("[%s] handle:%#lx pri:%d\n",
95 			       clnames[i], sp->class_handle, i);
96 			printf("  measured: %sbps qlen:%2d period:%u\n",
97 			       rate2str(calc_rate(sp->xmitcnt.bytes,
98 						  lp->xmitcnt.bytes, sec)),
99 			       sp->qlength, sp->period);
100 			printf("     packets:%llu (%llu bytes) drops:%llu\n",
101 			       (ull)sp->xmitcnt.packets,
102 			       (ull)sp->xmitcnt.bytes,
103 			       (ull)sp->dropcnt.packets);
104 			if (sp->qtype == Q_RED)
105 				print_redstats(sp->red);
106 			else if (sp->qtype == Q_RIO)
107 				print_riostats(sp->red);
108 		}
109 
110 		/* swap the buffer pointers */
111 		tmp = last;
112 		last = new;
113 		new = tmp;
114 
115 		last_time = cur_time;
116 		sleep(interval);
117 	}
118 }
119