Changeset 3694 for source/ariba/overlay/modules/chord

Timestamp:

May 26, 2009, 9:42:23 AM (16 years ago)

Author:

mies

Message:

fixed discovery issue, when no successor/predecessor is available

File:

• source/ariba/overlay/modules/chord/Chord.cpp (modified) (1 diff)

source/ariba/overlay/modules/chord/Chord.cpp

@@ -288 +288 @@
                         dmsg->setTTL(dmsg->getTTL() - 1);
 
-                        const route_item* item;
-                        if (dmsg->getFollowType() == Discovery::successor) item
-                                        = table->get(*table->get_successor());
-                        else item = table->get(*table->get_predesessor());
+                        const route_item* item = NULL;
+                        if (dmsg->getFollowType() == Discovery::successor &&
+                                        table->get_successor() != NULL) {
+                                item = table->get(*table->get_successor());
+                        } else {
+                                if (table->get_predesessor()!=NULL)
+                                        item = table->get(*table->get_predesessor());
+                        }
+                        if (item == NULL) break;
                         logging_debug("routing discovery message to succ/pred "
                                         << item->id.toString() );