Lines Matching defs:stub

688 	/* do not process a last resort (the parent side) if a stub
946  * Generate and process a stub priming request. This method tests for the
947  * need to prime a stub zone, so it is safe to call for every request.
955  *         issue a priming request if it detects an unprimed stub.
956  *         Uses value of 2 to signal during stub-prime in root-prime situation
957  *         that a noprime-stub is available and resolution can continue.
963 	/* Lookup the stub hint. This will return null if the stub doesn't 
965 	struct iter_hints_stub* stub;
971 	stub = hints_lookup_stub(qstate->env->hints, qname, qclass, iq->dp,
973 	/* The stub (if there is one) does not need priming. */
974 	if(!stub) return 0;
975 	stub_dp = stub->dp;
976 	/* if we have an auth_zone dp, and stub is equal, don't prime stub
984 	/* is it a noprime stub (always use) */
985 	if(stub->noprime) {
993 			log_err("out of memory priming stub");
994 			errinf(qstate, "malloc failure, priming stub");
998 		log_nametypeclass(VERB_DETAIL, "use stub", iq->dp->name,
1003 	/* Otherwise, we need to (re)prime the stub. */
1004 	log_nametypeclass(VERB_DETAIL, "priming stub", stub_dp->name, 
1013 		verbose(VERB_ALGO, "could not prime stub");
1014 		errinf(qstate, "could not generate lookup for stub prime");
1023 		/* make copy to avoid use of stub dp by different qs/threads */
1027 			log_err("out of memory priming stub, copydp");
1031 			errinf(qstate, "malloc failure, in stub prime");
1036 		 * wouldn't be anyway, since stub hints never have 
1242 		/* make copy to avoid use of stub dp by different qs/threads */
1309 		/* make copy to avoid use of stub dp by different qs/threads */
1412 	 * If we are restricted by a forward-zone or a stub-zone, we
1582 			 * the iterator pass would have primed the stub and
1653 			/* if there is a stub, then no root prime needed */
1657 				break; /* got noprime-stub-zone, continue */
1659 				return 0; /* stub prime request made */
1717 					verbose(VERB_QUERY, "cache has stub "
1722 							"stub/fwd fallback");
1787  * This part is primarily handling stub zone priming. Events that reach this
1808 		struct iter_hints_stub* stub;
1815 		/* Do not send queries above stub, do not set delname to dp if
1816 		 * this is above stub without stub-first. */
1817 		stub = hints_lookup_stub(
1820 		if(!stub || !stub->dp->has_parent_side_NS || 
1821 			dname_subdomain_c(iq->dp->name, stub->dp->name)) {
1826 		if(stub) { lock_rw_unlock(&qstate->env->hints->lock); }
1839 	/* Check to see if we need to prime a stub zone. */
1851  * as a separate state so that queries that generate stub priming events
1852  * will get the tail end of the init process but not repeat the stub priming
2147 		errinf(qstate, "all the configured stub or forward servers failed,");
2150 		verbose(VERB_QUERY, "configured stub or forward servers failed -- returning SERVFAIL");
2247 		 * delegation point is a stub and we cannot go higher, skip*/
2253 				"because it is also a stub/forward,",
3697 	/* root priming responses go to init stage 2, priming stub 
3708  * root and stub priming responses. This is basically the equivalent of the
3737 	/* validate the root or stub after priming (if enabled).