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Count NXDOMAIN replies from each server.

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This commit is contained in:
Simon Kelley
2022-09-15 22:29:44 +01:00
parent 7a74037267
commit 271790685a
4 changed files with 12 additions and 5 deletions
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11
src/cache.c
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@@ -1664,18 +1664,19 @@ int cache_make_stat(struct txt_record *t)
{
char *new, *lenp;
int port, newlen, bytes_avail, bytes_needed;
unsigned int queries = 0, failed_queries = 0;
unsigned int queries = 0, failed_queries = 0, nxdomain_replies = 0;
for (serv1 = serv; serv1; serv1 = serv1->next)
if (!(serv1->flags & SERV_MARK) && sockaddr_isequal(&serv->addr, &serv1->addr))
{
serv1->flags |= SERV_MARK;
queries += serv1->queries;
failed_queries += serv1->failed_queries;
nxdomain_replies += serv1->nxdomain_replies;
}
port = prettyprint_addr(&serv->addr, daemon->addrbuff);
lenp = p++; /* length */
bytes_avail = bufflen - (p - buff );
bytes_needed = snprintf(p, bytes_avail, "%s#%d %u %u", daemon->addrbuff, port, queries, failed_queries);
bytes_needed = snprintf(p, bytes_avail, "%s#%d %u %u %u", daemon->addrbuff, port, queries, failed_queries, nxdomain_replies);
if (bytes_needed >= bytes_avail)
{
/* expand buffer if necessary */
@@ -1745,16 +1746,18 @@ void dump_cache(time_t now)
if (!(serv->flags & SERV_MARK))
{
int port;
unsigned int queries = 0, failed_queries = 0;
unsigned int queries = 0, failed_queries = 0, nxdomain_replies = 0;
for (serv1 = serv; serv1; serv1 = serv1->next)
if (!(serv1->flags & SERV_MARK) && sockaddr_isequal(&serv->addr, &serv1->addr))
{
serv1->flags |= SERV_MARK;
queries += serv1->queries;
failed_queries += serv1->failed_queries;
nxdomain_replies += serv1->nxdomain_replies;
}
port = prettyprint_addr(&serv->addr, daemon->addrbuff);
my_syslog(LOG_INFO, _("server %s#%d: queries sent %u, retried or failed %u"), daemon->addrbuff, port, queries, failed_queries);
my_syslog(LOG_INFO, _("server %s#%d: queries sent %u, retried or failed %u, nxdomain replies %u"),
daemon->addrbuff, port, queries, failed_queries, nxdomain_replies);
}
if (option_bool(OPT_DEBUG) || option_bool(OPT_LOG))