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      1 /*	$NetBSD: qdisc_cdnr.c,v 1.6 2008/05/02 19:07:44 xtraeme Exp $	*/
      2 /*	$KAME: qdisc_cdnr.c,v 1.6 2002/11/08 06:36:18 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_cdnr.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 #define NELEMENTS	64
     50 #define MAX_PROB	(128*1024)
     51 
     52 static const char *element_names[] = { "none", "top", "element", "tbmeter", "trtcm",
     53 				 "tswtcm" };
     54 static const char *tbmprof_names[] = { "in:    ", "out:   " };
     55 static const char *tcmprof_names[] = { "green: ", "yellow:", "red:   " };
     56 
     57 void
     58 cdnr_stat_loop(int fd, const char *ifname, int count, int interval)
     59 {
     60 	struct tce_stats	stats1[NELEMENTS], stats2[NELEMENTS];
     61 	char			cdnrnames[NELEMENTS][128];
     62 	struct cdnr_get_stats	get_stats;
     63 	struct tce_stats	*sp, *lp, *new, *last, *tmp;
     64 	struct timeval		cur_time, last_time;
     65 	double			sec;
     66 	const char		**profile_names;
     67 	char			_ifname[32];
     68 	int			i, j, nprofile;
     69 	int cnt = count;
     70 	sigset_t		omask;
     71 
     72 	if (ifname[0] == '_')
     73 		ifname++;
     74 	snprintf(_ifname, sizeof(_ifname), "_%s", ifname);
     75 
     76 	strlcpy(get_stats.iface.cdnr_ifname, ifname,
     77 		sizeof(get_stats.iface.cdnr_ifname));
     78 	new = &stats1[0];
     79 	last = &stats2[0];
     80 
     81 	for (i = 0; i < NELEMENTS; i++)
     82 		stats1[i].tce_handle = stats2[i].tce_handle = CDNR_NULL_HANDLE;
     83 
     84 	for (;;) {
     85 		get_stats.nskip = 0;
     86 		get_stats.nelements = NELEMENTS;
     87 		get_stats.tce_stats = new;
     88 
     89 		if (ioctl(fd, CDNR_GETSTATS, &get_stats) < 0)
     90 			err(1, "ioctl CDNR_GETSTATS");
     91 
     92 		gettimeofday(&cur_time, NULL);
     93 		sec = calc_interval(&cur_time, &last_time);
     94 
     95 		printf("actions:\n");
     96 		printf("  pass:%llu drop:%llu mark:%llu next:%llu return:%llu none:%llu\n",
     97 		       (ull)get_stats.cnts[TCACODE_PASS].packets,
     98 		       (ull)get_stats.cnts[TCACODE_DROP].packets,
     99 		       (ull)get_stats.cnts[TCACODE_MARK].packets,
    100 		       (ull)get_stats.cnts[TCACODE_NEXT].packets,
    101 		       (ull)get_stats.cnts[TCACODE_RETURN].packets,
    102 		       (ull)get_stats.cnts[TCACODE_NONE].packets);
    103 
    104 		for (i = 0; i < get_stats.nelements; i++) {
    105 			sp = &new[i];
    106 			lp = &last[i];
    107 
    108 			if (sp->tce_handle != lp->tce_handle) {
    109 				quip_chandle2name(_ifname, sp->tce_handle,
    110 				    cdnrnames[i], sizeof(cdnrnames[0]));
    111 			}
    112 
    113 			switch (sp->tce_type) {
    114 			case TCETYPE_TBMETER:
    115 				nprofile = 2;
    116 				profile_names = tbmprof_names;
    117 				break;
    118 			case TCETYPE_TRTCM:
    119 			case TCETYPE_TSWTCM:
    120 				nprofile = 3;
    121 				profile_names = tcmprof_names;
    122 				break;
    123 			default:
    124 				profile_names = tbmprof_names; /* silence cc */
    125 				nprofile = 0;
    126 			}
    127 
    128 			if (nprofile == 0)
    129 				continue;
    130 
    131 			printf("[%s: %s] handle:%#lx\n",
    132 			       element_names[sp->tce_type], cdnrnames[i],
    133 			       sp->tce_handle);
    134 			for (j = 0; j < nprofile; j++) {
    135 				printf("  %s %10llu pkts %16llu bytes",
    136 				    profile_names[j],
    137 				    (ull)sp->tce_cnts[j].packets,
    138 				    (ull)sp->tce_cnts[j].bytes);
    139 				if (lp->tce_handle != CDNR_NULL_HANDLE) {
    140 					printf(" (%sbps)\n",
    141 					    rate2str(calc_rate(
    142 					        sp->tce_cnts[j].bytes,
    143 						lp->tce_cnts[j].bytes, sec)));
    144 				} else {
    145 					printf("\n");
    146 				}
    147 			}
    148 		}
    149 		printf("\n");
    150 
    151 		/* swap the buffer pointers */
    152 		tmp = last;
    153 		last = new;
    154 		new = tmp;
    155 
    156 		last_time = cur_time;
    157 
    158 		if (count != 0 && --cnt == 0)
    159 			break;
    160 
    161 		/* wait for alarm signal */
    162 		if (sigprocmask(SIG_BLOCK, NULL, &omask) == 0)
    163 			sigsuspend(&omask);
    164 	}
    165 }
    166