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#if !defined(lint) && !defined(SABER)
static char sccsid[] = "@(#)ns_stats.c 4.10 (Berkeley) 6/27/90";
static char rcsid[] = "$Id: ns_stats.c,v 8.4 1995/06/29 09:26:17 vixie Exp $";
#endif /* not lint */
/*
* ++Copyright++ 1986,1994
* -
* Copyright (c) 1986,1994
* The 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.
* -
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
* -
* --Copyright--
*/
/**************************************************************************/
/* simple monitoring of named behavior */
/* dumps a bunch of values into a well-known file */
/**************************************************************************/
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <arpa/inet.h>
#include <stdio.h>
#include <syslog.h>
#include <errno.h>
#include "named.h"
#include "tree.h"
static u_long typestats[T_ANY+1];
static const 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", "RP", "AFSDB", "X25",
"ISDN", "RT", "NSAP", "NSAP_PTR", "SIG",
"KEY", "PX", "invalid(GPOS)", "AAAA", "LOC",
0, 0, 0, 0, 0,
0, 0, 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,
/* 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"
};
static void nameserStats __P((FILE *));
void
ns_stats()
{
time_t timenow = time(NULL);
register FILE *f;
register int i;
syslog(LOG_NOTICE, "dumping nameserver stats\n");
if (!(f = fopen(statsfile, "a"))) {
syslog(LOG_NOTICE, "cannot open stat file, \"%s\"\n",
statsfile);
return;
}
fprintf(f, "+++ Statistics Dump +++ (%ld) %s",
(long)timenow, ctime(&timenow));
fprintf(f, "%ld\ttime since boot (secs)\n",
(long)(timenow - boottime));
fprintf(f, "%ld\ttime since reset (secs)\n",
(long)(timenow - resettime));
#ifdef DMALLOC
/* malloc statistics */
dmallocstats(f);
#endif
/* query type statistics */
fprintf(f, "%lu\tUnknown query types\n", (u_long)typestats[0]);
for(i=1; i < T_ANY+1; i++)
if (typestats[i])
if (typenames[i])
fprintf(f, "%lu\t%s queries\n",
(u_long)typestats[i], typenames[i]);
else
fprintf(f, "%lu\ttype %d queries\n",
(u_long)typestats[i], i);
/* name server statistics */
nameserStats(f);
fprintf(f, "--- Statistics Dump --- (%ld) %s",
(long)timenow, ctime(&timenow));
(void) my_fclose(f);
syslog(LOG_NOTICE, "done dumping nameserver stats\n");
}
void
qtypeIncr(qtype)
int qtype;
{
if (qtype < T_A || qtype > T_ANY)
qtype = 0; /* bad type */
typestats[qtype]++;
}
static tree *nameserTree;
static int nameserInit;
#ifdef STATS
static FILE *nameserStatsFile;
static u_long globalStats[nssLast];
static const char *statNames[nssLast] = {
"RQ", /* sent us a query */
"RR", /* sent us an answer */
"RIQ", /* sent us an inverse query */
"RNXD", /* sent us a negative response */
"RFwdQ", /* sent us a query we had to fwd */
"RFwdR", /* sent us a response we had to fwd */
"RDupQ", /* sent us a retry */
"RDupR", /* sent us an extra answer */
"RFail", /* sent us a SERVFAIL */
"RFErr", /* sent us a FORMERR */
"RErr", /* sent us some other error */
"RTCP", /* sent us a query using TCP */
"RAXFR", /* sent us an AXFR */
"RLame", /* sent us a lame delegation */
"ROpts", /* sent us some IP options */
"SSysQ", /* sent them a sysquery */
"SAns", /* sent them an answer */
"SFwdQ", /* fwdd a query to them */
"SFwdR", /* fwdd a response to them */
"SDupQ", /* sent them a retry */
"SFail", /* sent them a SERVFAIL */
"SFErr", /* sent them a FORMERR */
"SErr", /* sent failed (in sendto) */
#ifdef XSTATS
"RNotNsQ", /* received from remote port != ns_port */
"SNaAns", /* sent them a non autoritative answer */
"SNXD", /* sent them a negative response */
#endif
};
#endif /*STATS*/
static int
nameserCompar(t1, t2)
const tree_t t1, t2;
{
u_int32_t a1 = ntohl(((struct nameser *)t1)->addr.s_addr),
a2 = ntohl(((struct nameser *)t2)->addr.s_addr);
if (a1 < a2)
return (-1);
else if (a1 > a2)
return (1);
else
return (0);
}
struct nameser *
nameserFind(addr, flags)
struct in_addr addr;
int flags;
{
struct nameser dummy;
struct nameser *ns;
if (!nameserInit) {
tree_init(&nameserTree);
nameserInit++;
}
dummy.addr = addr;
ns = (struct nameser *)tree_srch(&nameserTree, nameserCompar,
(tree_t)&dummy);
if (!ns && (flags & NS_F_INSERT)) {
ns = (struct nameser *)malloc(sizeof(struct nameser));
if (!ns) {
nomem: if (!haveComplained("nameserFind complaint", ""))
syslog(LOG_NOTICE,
"nameserFind: malloc failed; %m");
return (NULL);
}
memset(ns, 0, sizeof(struct nameser));
ns->addr = addr;
if (!tree_add(&nameserTree, nameserCompar, (tree_t)ns, NULL)) {
int save = errno;
free(ns);
errno = save;
goto nomem;
}
}
return (ns);
}
void
nameserIncr(addr, which)
struct in_addr addr;
enum nameserStats which;
{
#ifdef STATS
struct nameser *ns = nameserFind(addr, NS_F_INSERT);
if ((int)which < (int)nssLast) {
if (ns)
ns->stats[(int)which]++;
globalStats[(int)which]++;
} else {
syslog(LOG_DEBUG, "nameserIncr([%d], %d): bad 'which'",
inet_ntoa(addr), (int)which);
}
#endif /*STATS*/
}
#ifdef STATS
static void
nameserStatsOut(f, stats)
FILE *f;
u_long stats[];
{
int i;
const char *pre = "\t";
for (i = 0; i < (int)nssLast; i++) {
fprintf(f, "%s%lu", pre, (u_long)stats[i]);
pre = ((i+1) % 5) ? " " : " ";
}
fputc('\n', f);
}
static void
nameserStatsHdr(f)
FILE *f;
{
int i;
const char *pre = "\t";
fprintf(f, "(Legend)\n");
for (i = 0; i < (int)nssLast; i++) {
fprintf(f, "%s%s", pre,
statNames[i] ? statNames[i] : "");
pre = ((i+1) % 5) ? "\t" : "\n\t";
}
fputc('\n', f);
}
static int
nameserStatsTravUAR(t)
tree_t t;
{
struct nameser *ns = (struct nameser *)t;
fprintf(nameserStatsFile, "[%s]\n", /* : rtt %u */
inet_ntoa(ns->addr) /*, ns->rtt*/ );
nameserStatsOut(nameserStatsFile, ns->stats);
return (1);
}
#endif /*STATS*/
static void
nameserStats(f)
FILE *f;
{
#ifndef STATS
fprintf(f, "<<No nameserver statistics in this server>>\n");
#else
nameserStatsFile = f;
fprintf(f, "++ Name Server Statistics ++\n");
nameserStatsHdr(f);
fprintf(f, "(Global)\n");
nameserStatsOut(f, globalStats);
tree_trav(&nameserTree, nameserStatsTravUAR);
fprintf(f, "-- Name Server Statistics --\n");
nameserStatsFile = NULL;
#endif /*STATS*/
}
#ifdef XSTATS
/* Benoit Grange, log minimal statistics, called from ns_maint */
void
ns_logstats()
{
char buffer[1024];
char buffer2[32], header[64];
time_t timenow = time(NULL);
int i;
#ifdef HAVE_GETRUSAGE
# define tv_float(tv) ((tv).tv_sec + ((tv).tv_usec / 1000000.0))
struct rusage usage, childu;
getrusage(RUSAGE_SELF, &usage);
getrusage(RUSAGE_CHILDREN, &childu);
sprintf(buffer, "CPU=%gu/%gs CHILDCPU=%gu/%gs",
tv_float(usage.ru_utime), tv_float(usage.ru_stime),
tv_float(childu.ru_utime), tv_float(childu.ru_stime));
syslog(LOG_INFO, "USAGE %lu %lu %s", timenow, boottime, buffer);
# undef tv_float
#endif
sprintf(header, "NSTATS %lu %lu", timenow, boottime);
strcpy(buffer, header);
for (i = 0; i < T_ANY+1; i++) {
if (typestats[i]) {
if (typenames[i])
sprintf(buffer2, " %s=%lu",
typenames[i], typestats[i]);
else
sprintf(buffer2, " %d=%lu", i, typestats[i]);
if (strlen(buffer) + strlen(buffer2) >
sizeof(buffer) - 1) {
syslog(LOG_INFO, buffer);
strcpy(buffer, header);
}
strcat(buffer, buffer2);
}
}
syslog(LOG_INFO, buffer);
sprintf(header, "XSTATS %lu %lu", (u_long)timenow, (u_long)boottime);
strcpy(buffer, header);
for (i = 0; i < (int)nssLast; i++) {
sprintf(buffer2, " %s=%lu",
statNames[i]?statNames[i]:"?", (u_long)globalStats[i]);
if (strlen(buffer) + strlen(buffer2) > sizeof(buffer) - 1) {
syslog(LOG_INFO, buffer);
strcpy(buffer, header);
}
strcat(buffer, buffer2);
}
syslog(LOG_INFO, buffer);
}
#endif /*XSTATS*/
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.