ns_stats.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 165 行

#ifndef lint
static	char	*sccsid = "@(#)ns_stats.c	4.1	(ULTRIX)	7/2/90";
#endif lint

/************************************************************************
 *									*
 *			Copyright (c) 1984-1990 by			*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   This software is furnished under a license and may be used and	*
 *   copied  only  in accordance with the terms of such license and	*
 *   with the  inclusion  of  the  above  copyright  notice.   This	*
 *   software  or  any  other copies thereof may not be provided or	*
 *   otherwise made available to any other person.  No title to and	*
 *   ownership of the software is hereby transferred.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   The information in this software is subject to change  without	*
 *   notice  and should not be construed as a commitment by Digital	*
 *   Equipment Corporation.						*
 *									*
 *   Digital assumes no responsibility for the use  or  reliability	*
 *   of its software on equipment which is not supplied by Digital.	*
 *									*
 ************************************************************************/
/*
 * Copyright (c) 1986 Regents of the University of California
 *	All Rights Reserved
 */

/*
 * Modification History:
 *
 * 18-Jan-88	logcher
 *	Added BIND 4.7.3.
 *
 * 10-Jan-90	sue
 *	Incorporated Hesiod changes from MIT to implement multiple
 *	"character strings" in a TXT record according to RFC1035.
 */

/*
 * simple monitoring of named behavior
 * dumps a bunch of values into a well-known file
 */

#ifdef STATS

#include <sys/types.h>
#include <sys/time.h>
#ifdef ULTRIXFUNC
#include <sys/stat.h>
#endif ULTRIXFUNC
#include <netinet/in.h>
#include <stdio.h>
#include <syslog.h>
#include <arpa/nameser.h>
#include "ns.h"

#ifdef STATSFILE
char *statsfile = STATSFILE ;
#else
char *statsfile = "/usr/var/tmp/named.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,"%d\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])
			fprintf(f, "%d\t%s querys\n", typestats[i],
				typenames[i]);

	(void) fclose(f);
}
#endif STATS