xref: /netbsd/usr.sbin/altq/altqstat/qdisc_blue.c (revision bf9ec67e)
1 /*	$NetBSD: qdisc_blue.c,v 1.3 2001/08/16 07:48:10 itojun Exp $	*/
2 /*	$KAME: qdisc_blue.c,v 1.3 2001/08/15 12:51:58 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_blue.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 "altqstat.h"
47 
48 void
49 blue_stat_loop(int fd, const char *ifname, int count, int interval)
50 {
51 	struct blue_stats blue_stats;
52 	struct timeval cur_time, last_time;
53 	u_int64_t last_bytes;
54 	double sec;
55 	int cnt = count;
56 
57 	strlcpy(blue_stats.iface.blue_ifname, ifname,
58 		sizeof(blue_stats.iface.blue_ifname));
59 
60 	gettimeofday(&last_time, NULL);
61 	last_time.tv_sec -= interval;
62 	last_bytes = 0;
63 
64 	while (count == 0 || cnt-- > 0) {
65 
66 		if (ioctl(fd, BLUE_GETSTATS, &blue_stats) < 0)
67 			err(1, "ioctl BLUE_GETSTATS");
68 
69 		gettimeofday(&cur_time, NULL);
70 		sec = calc_interval(&cur_time, &last_time);
71 
72 		printf(" q_len:%d , q_limit:%d, q_pmark: %d\n",
73 		       blue_stats.q_len,  blue_stats.q_limit,
74 		       blue_stats.q_pmark);
75 		printf(" xmit: %llu pkts, drop: %llu pkts (forced: %llu, early: %llu)\n",
76 		       (ull)blue_stats.xmit_packets,
77 		       (ull)blue_stats.drop_packets,
78 		       (ull)blue_stats.drop_forced,
79 		       (ull)blue_stats.drop_unforced);
80 		if (blue_stats.marked_packets != 0)
81 			printf(" marked: %llu\n",
82 			       (ull)blue_stats.marked_packets);
83 		printf(" throughput: %sbps\n",
84 		       rate2str(calc_rate(blue_stats.xmit_bytes,
85 					  last_bytes, sec)));
86 
87 		last_bytes = blue_stats.xmit_bytes;
88 		last_time = cur_time;
89 		sleep(interval);
90 	}
91 }
92