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qdisc_fifoq.c revision 1.2 
      1 /*	$KAME: qdisc_fifoq.c,v 1.4 2001/08/15 12:51:59 kjc Exp $	*/
      2 /*
      3  * Copyright (C) 1999-2000
      4  *	Sony Computer Science Laboratories, Inc.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY SONY CSL AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL SONY CSL OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/param.h>
     29 #include <sys/ioctl.h>
     30 #include <sys/time.h>
     31 #include <sys/socket.h>
     32 #include <net/if.h>
     33 #include <netinet/in.h>
     34 #include <altq/altq.h>
     35 #include <altq/altq_fifoq.h>
     36 
     37 #include <stdio.h>
     38 #include <stdlib.h>
     39 #include <unistd.h>
     40 #include <string.h>
     41 #include <math.h>
     42 #include <errno.h>
     43 #include <err.h>
     44 
     45 #include "altqstat.h"
     46 
     47 void
     48 fifoq_stat_loop(int fd, const char *ifname, int count, int interval)
     49 {
     50 	struct fifoq_getstats get_stats;
     51 	struct timeval cur_time, last_time;
     52 	u_int64_t last_bytes;
     53 	double sec;
     54 	int cnt = count;
     55 
     56 	strlcpy(get_stats.iface.fifoq_ifname, ifname,
     57 		sizeof(get_stats.iface.fifoq_ifname));
     58 
     59 	gettimeofday(&last_time, NULL);
     60 	last_time.tv_sec -= interval;
     61 	last_bytes = 0;
     62 
     63 	while (count == 0 || cnt-- > 0) {
     64 
     65 		if (ioctl(fd, FIFOQ_GETSTATS, &get_stats) < 0)
     66 			err(1, "ioctl FIFOQ_GETSTATS");
     67 
     68 		gettimeofday(&cur_time, NULL);
     69 		sec = calc_interval(&cur_time, &last_time);
     70 
     71 		printf(" q_len:%d q_limit:%d period:%u\n",
     72 		       get_stats.q_len, get_stats.q_limit, get_stats.period);
     73 		printf(" xmit:%llu pkts (%llu bytes) drop:%llu pkts (%llu bytes)\n",
     74 		       (ull)get_stats.xmit_cnt.packets,
     75 		       (ull)get_stats.xmit_cnt.bytes,
     76 		       (ull)get_stats.drop_cnt.packets,
     77 		       (ull)get_stats.drop_cnt.bytes);
     78 		printf(" throughput: %sbps\n",
     79 		       rate2str(calc_rate(get_stats.xmit_cnt.bytes,
     80 					  last_bytes, sec)));
     81 
     82 		last_bytes = get_stats.xmit_cnt.bytes;
     83 		last_time = cur_time;
     84 		sleep(interval);
     85 	}
     86 }
     87