usr.sbin/altq/altqstat/qdisc_blue.c

   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         for (;;) {
  65                 if (ioctl(fd, BLUE_GETSTATS, &blue_stats) < 0)
  66                         err(1, "ioctl BLUE_GETSTATS");
  67
  68                 gettimeofday(&cur_time, NULL);
  69                 sec = calc_interval(&cur_time, &last_time);
  70
  71                 printf(" q_len:%d , q_limit:%d, q_pmark: %d\n",
  72                        blue_stats.q_len,  blue_stats.q_limit,
  73                        blue_stats.q_pmark);
  74                 printf(" xmit: %llu pkts, drop: %llu pkts (forced: %llu, early: %llu)\n",
  75                        (ull)blue_stats.xmit_packets,
  76                        (ull)blue_stats.drop_packets,
  77                        (ull)blue_stats.drop_forced,
  78                        (ull)blue_stats.drop_unforced);
  79                 if (blue_stats.marked_packets != 0)
  80                         printf(" marked: %llu\n",
  81                                (ull)blue_stats.marked_packets);
  82                 printf(" throughput: %sbps\n",
  83                        rate2str(calc_rate(blue_stats.xmit_bytes,
  84                                           last_bytes, sec)));
  85
  86                 last_bytes = blue_stats.xmit_bytes;
  87                 last_time = cur_time;
  88
  89                 if (count != 0 && --cnt == 0)
  90                         break;
  91
  92                 sleep(interval);
  93         }
  94 }