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Add metric for queries which never see an answer.

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This commit is contained in:
Simon Kelley
2022-09-15 22:06:39 +01:00
parent 9a9f6e147c
commit 7a74037267
3 changed files with 4 additions and 0 deletions
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2
src/forward.c
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@@ -2790,6 +2790,7 @@ static struct frec *get_new_frec(time_t now, struct server *master, int force)
{
if (difftime(now, f->time) >= 4*TIMEOUT)
{
daemon->metrics[METRIC_DNS_UNANSWERED_QUERY]++;
free_frec(f);
target = f;
}
@@ -2811,6 +2812,7 @@ static struct frec *get_new_frec(time_t now, struct server *master, int force)
if (!target && oldest && ((int)difftime(now, oldest->time)) >= TIMEOUT)
{
/* can't find empty one, use oldest if there is one and it's older than timeout */
daemon->metrics[METRIC_DNS_UNANSWERED_QUERY]++;
free_frec(oldest);
target = oldest;
}