From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 5 Sep 2013 14:20:12 +0000 (+0000)
Subject: -more precise check when to go to DHT (SVN 3017)
X-Git-Tag: initial-import-from-subversion-38251~7502
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2477d56c2ee612132c776c25088e47499d7647b3;p=oweals%2Fgnunet.git

-more precise check when to go to DHT (SVN 3017)
---

diff --git a/src/gns/gnunet-service-gns_resolver.c b/src/gns/gnunet-service-gns_resolver.c
index e8fea6513..2861ae04d 100644
--- a/src/gns/gnunet-service-gns_resolver.c
+++ b/src/gns/gnunet-service-gns_resolver.c
@@ -30,7 +30,7 @@
  *
  * 1. The entry in the DHT is RSL_RECORD_EXPIRED OR
  * 2. No entry in the NS existed AND
- * 3. The zone queried is not the local resolver's zone AND
+ * 3. The zone queried is not the local resolver's zone (obsolte!) AND
  * 4. The name that was looked up is '+'
  *    because if it was any other canonical name we either already queried
  *    the DHT for the authority in the authority lookup phase (and thus
@@ -387,7 +387,6 @@ static struct GNS_ResolverHandle *rlh_head;
  */
 static struct GNS_ResolverHandle *rlh_tail;
 
-
 /**
  * Global configuration.
  */
@@ -1623,7 +1622,9 @@ handle_namestore_block_response (void *cls,
 					  label,
 					  &query);
   rh->namestore_qe = NULL;
-  if (NULL == block)
+  if ( (GNUNET_NO == rh->only_cached) &&
+       ( (NULL == block) ||
+	 (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (block->expiration_time)).rel_value_us) ) )
   {
     /* Namestore knows nothing; try DHT lookup */
     rh->get_handle = GNUNET_DHT_get_start (dht_handle,
@@ -1645,6 +1646,14 @@ handle_namestore_block_response (void *cls,
     }
     return;
   }
+  if ( (NULL == block) ||
+       (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (block->expiration_time)).rel_value_us) )
+  {
+    /* DHT not permitted and no local result, fail */
+    rx->proc (rx->proc_cls, 0, NULL);
+    GNS_resolver_lookup_cancel (rx);
+    return;
+  }
   if (GNUNET_OK !=
       GNUNET_NAMESTORE_block_decrypt (block,
 				      auth,