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Parameterise work limits for DNSSEC validation.

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This commit is contained in:
Simon Kelley
2024-01-02 21:43:04 +00:00
parent bfefd6e38c
commit c5aa221e44
8 changed files with 94 additions and 52 deletions
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16
src/cache.c
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@@ -834,6 +834,12 @@ void cache_end_insert(void)
if (daemon->pipe_to_parent != -1)
{
ssize_t m = -1;
#ifdef HAVE_DNSSEC
/* Sneak out possibly updated crypto HWM. */
m = -1 - daemon->metrics[METRIC_CRYTO_HWM];
#endif
read_write(daemon->pipe_to_parent, (unsigned char *)&m, sizeof(m), 0);
}
@@ -859,8 +865,13 @@ int cache_recv_insert(time_t now, int fd)
if (!read_write(fd, (unsigned char *)&m, sizeof(m), 1))
return 0;
if (m == -1)
if (m < 0)
{
#ifdef HAVE_DNSSEC
/* Sneak in possibly updated crypto HWM. */
if ((-m - 1) > daemon->metrics[METRIC_CRYTO_HWM])
daemon->metrics[METRIC_CRYTO_HWM] = -m - 1;
#endif
cache_end_insert();
return 1;
}
@@ -1893,6 +1904,9 @@ void dump_cache(time_t now)
#ifdef HAVE_AUTH
my_syslog(LOG_INFO, _("queries for authoritative zones %u"), daemon->metrics[METRIC_DNS_AUTH_ANSWERED]);
#endif
#ifdef HAVE_DNSSEC
my_syslog(LOG_INFO, _("DNSSEC per-query crypto HWM %u"), daemon->metrics[METRIC_CRYTO_HWM]);
#endif
blockdata_report();
my_syslog(LOG_INFO, _("child processes for TCP requests: in use %zu, highest since last SIGUSR1 %zu, max allowed %zu."),