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qdisc_priq.c revision 1.2 
      1 /*	$KAME: qdisc_priq.c,v 1.2 2001/08/15 12:51:59 kjc Exp $	*/
      2 /*
      3  * Copyright (C) 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_priq.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 "quip_client.h"
     46 #include "altqstat.h"
     47 
     48 void
     49 priq_stat_loop(int fd, const char *ifname, int count, int interval)
     50 {
     51 	struct class_stats stats1[PRIQ_MAXPRI], stats2[PRIQ_MAXPRI];
     52 	char clnames[PRIQ_MAXPRI][128];
     53 	struct priq_class_stats	get_stats;
     54 	struct class_stats	*sp, *lp, *new, *last, *tmp;
     55 	struct timeval		cur_time, last_time;
     56 	int			i;
     57 	double			sec;
     58 	int			cnt = count;
     59 
     60 	strlcpy(get_stats.iface.ifname, ifname,
     61 		sizeof(get_stats.iface.ifname));
     62 	new = &stats1[0];
     63 	last = &stats2[0];
     64 
     65 	/* invalidate class handles */
     66 	for (i=0; i<PRIQ_MAXPRI; i++)
     67 		last[i].class_handle = PRIQ_NULLCLASS_HANDLE;
     68 
     69 	while (count == 0 || cnt-- > 0) {
     70 		get_stats.stats = new;
     71 		get_stats.maxpri = PRIQ_MAXPRI;
     72 		if (ioctl(fd, PRIQ_GETSTATS, &get_stats) < 0)
     73 			err(1, "ioctl PRIQ_GETSTATS");
     74 
     75 		gettimeofday(&cur_time, NULL);
     76 		sec = calc_interval(&cur_time, &last_time);
     77 
     78 		printf("\n%s:\n", ifname);
     79 
     80 		for (i = get_stats.maxpri; i >= 0; i--) {
     81 			sp = &new[i];
     82 			lp = &last[i];
     83 
     84 			if (sp->class_handle == PRIQ_NULLCLASS_HANDLE)
     85 				continue;
     86 
     87 			if (sp->class_handle != lp->class_handle) {
     88 				quip_chandle2name(ifname, sp->class_handle,
     89 						  clnames[i], sizeof(clnames[0]));
     90 				continue;
     91 			}
     92 
     93 			printf("[%s] handle:%#lx pri:%d\n",
     94 			       clnames[i], sp->class_handle, i);
     95 			printf("  measured: %sbps qlen:%2d period:%u\n",
     96 			       rate2str(calc_rate(sp->xmitcnt.bytes,
     97 						  lp->xmitcnt.bytes, sec)),
     98 			       sp->qlength, sp->period);
     99 			printf("     packets:%llu (%llu bytes) drops:%llu\n",
    100 			       (ull)sp->xmitcnt.packets,
    101 			       (ull)sp->xmitcnt.bytes,
    102 			       (ull)sp->dropcnt.packets);
    103 			if (sp->qtype == Q_RED)
    104 				print_redstats(sp->red);
    105 			else if (sp->qtype == Q_RIO)
    106 				print_riostats(sp->red);
    107 		}
    108 
    109 		/* swap the buffer pointers */
    110 		tmp = last;
    111 		last = new;
    112 		new = tmp;
    113 
    114 		last_time = cur_time;
    115 		sleep(interval);
    116 	}
    117 }
    118