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Diffstat (limited to 'contrib/bind/bin/named/ns_stats.c')
-rw-r--r--contrib/bind/bin/named/ns_stats.c61
1 files changed, 53 insertions, 8 deletions
diff --git a/contrib/bind/bin/named/ns_stats.c b/contrib/bind/bin/named/ns_stats.c
index f04790b..b823462 100644
--- a/contrib/bind/bin/named/ns_stats.c
+++ b/contrib/bind/bin/named/ns_stats.c
@@ -1,6 +1,6 @@
#if !defined(lint) && !defined(SABER)
static const char sccsid[] = "@(#)ns_stats.c 4.10 (Berkeley) 6/27/90";
-static const char rcsid[] = "$Id: ns_stats.c,v 8.30 2000/04/23 02:18:59 vixie Exp $";
+static const char rcsid[] = "$Id: ns_stats.c,v 8.32 2000/11/29 06:56:05 marka Exp $";
#endif /* not lint */
/*
@@ -108,6 +108,27 @@ static const char rcsid[] = "$Id: ns_stats.c,v 8.30 2000/04/23 02:18:59 vixie Ex
static u_long typestats[T_ANY+1];
static void nameserStats(FILE *);
+static u_int32_t ns_stats_cnt = 0;
+static int ns_stats_disabled = 0;
+
+void
+ns_stats_dumpandclear() {
+ time_t timenow = time(NULL);
+ FILE *f;
+
+ ns_stats();
+ if (!(f = fopen(server_options->stats_filename, "a"))) {
+ ns_notice(ns_log_statistics, "cannot open stat file, \"%s\"",
+ server_options->stats_filename);
+ }
+ if (f != NULL) {
+ (void) fchown(fileno(f), user_id, group_id);
+ fprintf(f, "+++ Host Statistics Cleared +++ (%ld) %s",
+ (long)timenow, checked_ctime(&timenow));
+ (void) my_fclose(f);
+ }
+ ns_freestats();
+}
void
ns_stats() {
@@ -246,12 +267,23 @@ nameserFind(addr, flags)
if (!nameserInit) {
tree_init(&nameserTree);
nameserInit++;
+ ns_stats_cnt = 0;
+ ns_stats_disabled = 0;
}
dummy.addr = addr;
ns = (struct nameser *)tree_srch(&nameserTree, nameserCompar,
(tree_t)&dummy);
if (ns == NULL && (flags & NS_F_INSERT) != 0) {
+ if (server_options->max_host_stats != 0 &&
+ ns_stats_cnt > server_options->max_host_stats) {
+ if (!ns_stats_disabled)
+ ns_notice(ns_log_statistics,
+ "ns_stats_disabled: %s reached",
+ "host-statistics-max");
+ ns_stats_disabled = 1;
+ return (NULL);
+ }
ns = (struct nameser *)memget(sizeof(struct nameser));
if (ns == NULL) {
nomem: if (!haveComplained((u_long)nameserFind, 0))
@@ -268,6 +300,7 @@ nameserFind(addr, flags)
errno = save;
goto nomem;
}
+ ns_stats_cnt++;
}
return (ns);
}
@@ -324,8 +357,11 @@ nameserStats(f)
nameserStatsHdr(f);
fprintf(f, "(Global)\n");
nameserStatsOut(f, globalStats);
- if (NS_OPTION_P(OPTION_HOSTSTATS))
+ if (NS_OPTION_P(OPTION_HOSTSTATS)) {
tree_trav(&nameserTree, nameserStatsTravUAR);
+ if (ns_stats_disabled)
+ fprintf(f, "++ Host Statistics Incomplete ++\n");
+ }
fprintf(f, "-- Name Server Statistics --\n");
nameserStatsFile = NULL;
}
@@ -335,7 +371,7 @@ ns_logstats(evContext ctx, void *uap, struct timespec due,
struct timespec inter)
{
char buffer[1024];
- char buffer2[32], header[64];
+ char buffer2[32], header[128];
time_t timenow = time(NULL);
int i;
#ifdef HAVE_GETRUSAGE
@@ -348,11 +384,18 @@ ns_logstats(evContext ctx, void *uap, struct timespec due,
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));
- ns_info(ns_log_statistics, "USAGE %lu %lu %s", (u_long)timenow,
- (u_long)boottime, buffer);
+ /*
+ * Get around a stupid compiler bug in gcc on solaris.
+ * There is a problem if three or more doubles are passed to
+ * sprintf.
+ * <http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=337&database=gcc>
+ */
+ sprintf(buffer, "CPU=%gu/%gs CHILDCPU=", tv_float(usage.ru_utime),
+ tv_float(usage.ru_stime));
+ sprintf(header, "%gu/%gs", tv_float(childu.ru_utime),
+ tv_float(childu.ru_stime));
+ ns_info(ns_log_statistics, "USAGE %lu %lu %s%s", (u_long)timenow,
+ (u_long)boottime, buffer, header);
# undef tv_float
#endif /*HAVE_GETRUSAGE*/
@@ -399,4 +442,6 @@ ns_freestats(void) {
return;
tree_mung(&nameserTree, nameserFree);
nameserInit = 0;
+ ns_stats_cnt = 0;
+ ns_stats_disabled = 0;
}
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