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remove checks for null view, since we won't let that happen. Add a bit

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of code to avoid pounding on servers that we can't find the addresses
of.  Right now the adb just stops checking for 5 minutes.
This commit is contained in:
Michael Graff
1999-11-04 09:42:46 +00:00
parent c68421fffe
commit ef5e39139c
1 changed files with 8 additions and 7 deletions
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15
lib/dns/adb.c
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@@ -2799,9 +2799,6 @@ dbfind_name(dns_adbname_t *adbname, isc_stdtime_t now,
INSIST(DNS_ADB_VALID(adb));
INSIST(rdtype == dns_rdatatype_a || rdtype == dns_rdatatype_aaaa);
if (adb->view == NULL)
return (ISC_R_NOTIMPLEMENTED);
result = ISC_R_UNEXPECTED;
dns_rdataset_init(&rdataset);
@@ -2857,9 +2854,6 @@ dbfind_a6(dns_adbname_t *adbname, isc_stdtime_t now, isc_boolean_t use_hints)
INSIST(DNS_ADB_VALID(adb));
INSIST(!NAME_FETCH_V6(adbname));
if (adb->view == NULL)
return (ISC_R_NOTIMPLEMENTED);
result = ISC_R_UNEXPECTED;
dns_rdataset_init(&rdataset);
@@ -2981,8 +2975,15 @@ fetch_callback(isc_task_t *task, isc_event_t *ev)
* Did we get back junk? If so, and there are no more fetches
* sitting out there, tell all the finds about it.
*/
if (dev->result != ISC_R_SUCCESS)
if (dev->result != ISC_R_SUCCESS) {
/* XXXMLG Don't pound on bad servers. */
if (address_type == DNS_ADBFIND_INET)
name->expire_v4 = ISC_MIN(name->expire_v4, now + 300);
else
name->expire_v6 = ISC_MIN(name->expire_v6, now + 300);
goto out;
}
/*
* We got something potentially useful.