usr.bin/netstat/route.c

1.80    joerg /*	$NetBSD: route.c,v 1.80 2013/01/28 13:49:08 joerg Exp $	*/
1.14  thorpej
 1.1      cgd /*
1.10  mycroft  * Copyright (c) 1983, 1988, 1993
1.10  mycroft  *	The Regents of the University of California.  All rights reserved.
 1.1      cgd  *
 1.1      cgd  * Redistribution and use in source and binary forms, with or without
 1.1      cgd  * modification, are permitted provided that the following conditions
 1.1      cgd  * are met:
 1.1      cgd  * 1. Redistributions of source code must retain the above copyright
 1.1      cgd  *    notice, this list of conditions and the following disclaimer.
 1.1      cgd  * 2. Redistributions in binary form must reproduce the above copyright
 1.1      cgd  *    notice, this list of conditions and the following disclaimer in the
 1.1      cgd  *    documentation and/or other materials provided with the distribution.
1.63      agc  * 3. Neither the name of the University nor the names of its contributors
 1.1      cgd  *    may be used to endorse or promote products derived from this software
 1.1      cgd  *    without specific prior written permission.
 1.1      cgd  *
 1.1      cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 1.1      cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 1.1      cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 1.1      cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 1.1      cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 1.1      cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 1.1      cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 1.1      cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 1.1      cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 1.1      cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 1.1      cgd  * SUCH DAMAGE.
 1.1      cgd  */
 1.1      cgd
1.23    lukem #include <sys/cdefs.h>
 1.1      cgd
1.80    joerg __RCSID("$NetBSD: route.c,v 1.80 2013/01/28 13:49:08 joerg Exp $");
 1.1      cgd
1.80    joerg #include <sys/sysctl.h>
 1.1      cgd #include <net/route.h>
1.29      mrg #include <err.h>
1.29      mrg
1.10  mycroft #include "netstat.h"
 1.1      cgd
 1.1      cgd /*
 1.1      cgd  * Print routing statistics
 1.1      cgd  */
1.10  mycroft void
1.79     matt rt_stats(u_long off)
 1.1      cgd {
1.73    lukem 	struct rtstat rtstats;
 1.1      cgd
1.67     elad 	if (use_sysctl) {
1.73    lukem 		size_t rtsize = sizeof(rtstats);
1.67     elad
1.73    lukem 		if (sysctlbyname("net.route.stats", &rtstats, &rtsize,
1.67     elad 		    NULL, 0) == -1)
1.67     elad 			err(1, "rt_stats: sysctl");
1.67     elad 	} else 	if (off == 0) {
 1.1      cgd 		printf("rtstat: symbol not in namelist\n");
 1.1      cgd 		return;
1.67     elad 	} else
1.73    lukem 		kread(off, (char *)&rtstats, sizeof(rtstats));
1.67     elad
 1.1      cgd 	printf("routing:\n");
1.53   itojun 	printf("\t%llu bad routing redirect%s\n",
1.73    lukem 		(unsigned long long)rtstats.rts_badredirect,
1.73    lukem 		plural(rtstats.rts_badredirect));
1.53   itojun 	printf("\t%llu dynamically created route%s\n",
1.73    lukem 		(unsigned long long)rtstats.rts_dynamic,
1.73    lukem 		plural(rtstats.rts_dynamic));
1.53   itojun 	printf("\t%llu new gateway%s due to redirects\n",
1.73    lukem 		(unsigned long long)rtstats.rts_newgateway,
1.73    lukem 		plural(rtstats.rts_newgateway));
1.53   itojun 	printf("\t%llu destination%s found unreachable\n",
1.73    lukem 		(unsigned long long)rtstats.rts_unreach,
1.73    lukem 		plural(rtstats.rts_unreach));
1.53   itojun 	printf("\t%llu use%s of a wildcard route\n",
1.73    lukem 		(unsigned long long)rtstats.rts_wildcard,
1.73    lukem 		plural(rtstats.rts_wildcard));
 1.1      cgd }