1 /* $NetBSD: qdisc_priq.c,v 1.6 2006/10/28 11:43:02 peter Exp $ */
2 /* $KAME: qdisc_priq.c,v 1.6 2003/07/10 12:09:38 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 <signal.h>
43 #include <errno.h>
44 #include <err.h>
45
46 #include "quip_client.h"
47 #include "altqstat.h"
48
49 void
priq_stat_loop(int fd,const char * ifname,int count,int interval)50 priq_stat_loop(int fd, const char *ifname, int count, int interval)
51 {
52 struct priq_classstats stats1[PRIQ_MAXPRI], stats2[PRIQ_MAXPRI];
53 char clnames[PRIQ_MAXPRI][128];
54 struct priq_class_stats get_stats;
55 struct priq_classstats *sp, *lp, *new, *last, *tmp;
56 struct timeval cur_time, last_time;
57 int i;
58 double sec;
59 int cnt = count;
60 sigset_t omask;
61
62 strlcpy(get_stats.iface.ifname, ifname,
63 sizeof(get_stats.iface.ifname));
64 new = &stats1[0];
65 last = &stats2[0];
66
67 /* invalidate class handles */
68 for (i=0; i<PRIQ_MAXPRI; i++)
69 last[i].class_handle = PRIQ_NULLCLASS_HANDLE;
70
71 for (;;) {
72 get_stats.stats = new;
73 get_stats.maxpri = PRIQ_MAXPRI;
74 if (ioctl(fd, PRIQ_GETSTATS, &get_stats) < 0)
75 err(1, "ioctl PRIQ_GETSTATS");
76
77 gettimeofday(&cur_time, NULL);
78 sec = calc_interval(&cur_time, &last_time);
79
80 printf("\n%s:\n", ifname);
81
82 for (i = get_stats.maxpri; i >= 0; i--) {
83 sp = &new[i];
84 lp = &last[i];
85
86 if (sp->class_handle == PRIQ_NULLCLASS_HANDLE)
87 continue;
88
89 if (sp->class_handle != lp->class_handle) {
90 quip_chandle2name(ifname, sp->class_handle,
91 clnames[i], sizeof(clnames[0]));
92 }
93
94 printf("[%s] handle:%#x pri:%d\n",
95 clnames[i], sp->class_handle, i);
96 if (lp->class_handle != PRIQ_NULLCLASS_HANDLE) {
97 printf(" measured: %sbps qlen:%2d period:%u\n",
98 rate2str(calc_rate(sp->xmitcnt.bytes,
99 lp->xmitcnt.bytes, sec)),
100 sp->qlength, sp->period);
101 }
102 printf(" packets:%llu (%llu bytes) drops:%llu\n",
103 (ull)sp->xmitcnt.packets,
104 (ull)sp->xmitcnt.bytes,
105 (ull)sp->dropcnt.packets);
106 if (sp->qtype == Q_RED)
107 print_redstats(sp->red);
108 else if (sp->qtype == Q_RIO)
109 print_riostats(sp->red);
110 }
111
112 /* swap the buffer pointers */
113 tmp = last;
114 last = new;
115 new = tmp;
116
117 last_time = cur_time;
118
119 if (count != 0 && --cnt == 0)
120 break;
121
122 /* wait for alarm signal */
123 if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
124 sigsuspend(&omask);
125 }
126 }
127