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- Fix to use one pointer less for iterator query state store_parent_NS.

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git-svn-id: file:///svn/unbound/trunk@2150 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2010-06-15 09:47:11 +00:00
parent 6070d61076
commit d7fec82eaa
3 changed files with 7 additions and 7 deletions
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1
doc/Changelog
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@ -2,6 +2,7 @@
- tag 1.4.5 created.
- trunk contains 1.4.6 in development.
- Fix TCPreply on systems with no writev, if just 1 byte could be sent.
- Fix to use one pointer less for iterator query state store_parent_NS.
11 June 2010: Wouter
- When retry to parent the retrycount is not wiped, so failed

7
iterator/iterator.c
View file

@ -1400,8 +1400,7 @@ processLastResort(struct module_qstate* qstate, struct iter_qstate* iq,
/* if: malloc failure in lookup go up to try */
/* if: no parent NS in cache - go up one level */
verbose(VERB_ALGO, "try to grab parent NS");
iq->store_parent_NS = 1;
iq->parent_NS_old_dp = iq->dp;
iq->store_parent_NS = iq->dp;
iq->deleg_msg = NULL;
iq->refetch_glue = 1;
iq->query_restart_count++;
@ -1865,8 +1864,8 @@ processQueryResponse(struct module_qstate* qstate, struct iter_qstate* iq,
qstate->region, iq->dp))
return error_response(qstate, id, LDNS_RCODE_SERVFAIL);
if(iq->store_parent_NS && query_dname_compare(iq->dp->name,
iq->parent_NS_old_dp->name) == 0)
iter_merge_retry_counts(iq->dp, iq->parent_NS_old_dp);
iq->store_parent_NS->name) == 0)
iter_merge_retry_counts(iq->dp, iq->store_parent_NS);
delegpt_log(VERB_ALGO, iq->dp);
/* Count this as a referral. */
iq->referral_count++;

6
iterator/iterator.h
View file

@ -250,10 +250,10 @@ struct iter_qstate {
/**
* The query must store NS records from referrals as parentside RRs
* Enabled once it hits resolution problems, to throttle retries.
* If enabled it is the pointer to the old delegation point with
* the old retry counts for bad-nameserver-addresses.
*/
int store_parent_NS;
/** the old delegation point with retry counts */
struct delegpt* parent_NS_old_dp;
struct delegpt* store_parent_NS;
/**
* The query is for parent-side glue(A or AAAA) for a nameserver.