NetBSD/usr.sbin/named/ns_stats.c

157 lines
5.1 KiB
C

/*
* Copyright (c) 1986 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)ns_stats.c 4.10 (Berkeley) 6/27/90";
#endif /* not lint */
/**************************************************************************/
/* simple monitoring of named behavior */
/* dumps a bunch of values into a well-know file */
/* */
/**************************************************************************/
#ifdef STATS
#include <sys/param.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <stdio.h>
#include <syslog.h>
#include <arpa/nameser.h>
#include "ns.h"
#include "pathnames.h"
#ifdef STATSFILE
char *statsfile = STATSFILE;
#else
char *statsfile = _PATH_STATS;
#endif /* STATSFILE */
extern time_t boottime, resettime;
extern int needStatsDump;
/*
* General statistics gathered
*/
/* The position in this table must agree with the defines in ns.h */
struct stats stats[S_NSTATS] = {
{ 0, "input packets" },
{ 0, "output packets" },
{ 0, "queries" },
{ 0, "iqueries" },
{ 0, "duplicate queries" },
{ 0, "responses" },
{ 0, "duplicate responses" },
{ 0, "OK answers" },
{ 0, "FAIL answers" },
{ 0, "FORMERR answers" },
{ 0, "system queries" },
{ 0, "prime cache calls" },
{ 0, "check_ns calls" },
{ 0, "bad responses dropped" },
{ 0, "martian responses" },
};
/*
* Statistics for queries (by type)
*/
unsigned long typestats[T_ANY+1];
char *typenames[T_ANY+1] = {
/* 5 types per line */
"Unknown", "A", "NS", "invalid(MD)", "invalid(MF)",
"CNAME", "SOA", "MB", "MG", "MR",
"NULL", "WKS", "PTR", "HINFO", "MINFO",
"MX", "TXT", 0, 0, 0,
/* 20 per line */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 100 */
"UINFO", "UID", "GID", "UNSPEC", 0, 0, 0, 0, 0, 0,
/* 110 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 120 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 200 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 240 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
/* 250 */
0, 0, "AXFR", "MAILB", "MAILA", "ANY"
};
ns_stats()
{
time_t timenow;
register FILE *f;
register int i;
if ((f = fopen(statsfile,"a")) == 0)
{
#ifdef DEBUG
if (debug)
fprintf(ddt,"can't open stat file, \"%s\"\n",statsfile);
#endif
syslog(LOG_ERR, "cannot open stat file, \"%s\"\n",statsfile);
return;
}
time(&timenow);
fprintf(f, "### %s", ctime(&timenow));
fprintf(f, "%d\ttime since boot (secs)\n", timenow - boottime);
fprintf(f, "%d\ttime since reset (secs)\n", timenow - resettime);
/* general statistics */
for (i = 0; i < S_NSTATS; i++)
fprintf(f,"%lu\t%s\n", stats[i].cnt, stats[i].description);
/* query type statistics */
fprintf(f, "%d\tUnknown query types\n", typestats[0]);
for(i=1; i < T_ANY+1; i++)
if (typestats[i])
if (typenames[i])
fprintf(f, "%lu\t%s queries\n", typestats[i],
typenames[i]);
else
fprintf(f, "%lu\ttype %d queries\n",
typestats[i], i);
(void) fclose(f);
}
#endif STATS