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Don't waste time with DNS response if the session is going away.

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Downgrade DNS failures to LOG_DEBUG while here.
This commit is contained in:
Mike Belopuhov 2014-10-28 02:48:30 +01:00
parent 96a2e311af
commit 1c6061c4af
1 changed files with 9 additions and 8 deletions
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17
dns.c
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@ -45,6 +45,13 @@ dns_done_host(struct asr_result *ar, void *arg)
struct addrinfo *res;
int found = 0;
if (ISSETF(is->flags, ICB_SF_PENDINGDROP)) {
if (ar->ar_addrinfo)
freeaddrinfo(ar->ar_addrinfo);
free(is);
return;
}
if (ar->ar_gai_errno == 0) {
if (strncmp(is->hostname, "localhost",
sizeof "localhost" - 1) == 0)
@ -65,17 +72,12 @@ dns_done_host(struct asr_result *ar, void *arg)
is->hostname, is->host);
}
} else
icbd_log(is, LOG_WARNING, "dns resolution failed: %s",
icbd_log(is, LOG_DEBUG, "dns resolution failed: %s",
gai_strerror(ar->ar_gai_errno));
if (ar->ar_addrinfo)
freeaddrinfo(ar->ar_addrinfo);
if (ISSETF(is->flags, ICB_SF_PENDINGDROP)) {
free(is);
return;
}
CLRF(is->flags, ICB_SF_DNSINPROGRESS);
}
@ -100,7 +102,7 @@ dns_done_reverse(struct asr_result *ar, void *arg)
as = getaddrinfo_async(is->hostname, NULL, &hints, NULL);
event_asr_run(as, dns_done_host, is);
} else {
icbd_log(is, LOG_WARNING, "reverse dns resolution failed: %s",
icbd_log(is, LOG_DEBUG, "reverse dns resolution failed: %s",
gai_strerror(ar->ar_gai_errno));
CLRF(is->flags, ICB_SF_DNSINPROGRESS);
}
@ -122,7 +124,6 @@ cmp_addr(struct sockaddr *a, struct sockaddr *b)
sizeof (struct in6_addr)));
return -1;
}
void