Ask a packet only if not available on local storage.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@2505 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/storage/handlers/replication.py

@@ -157,6 +157,7 @@ class ReplicationHandler(EventHandler):
             deleteObject(oid, serial)
         missing_object_set = object_set - my_object_set
         for oid, serial in missing_object_set:
+            if not app.dm.objectPresent(oid, serial):
                 ask(Packets.AskObject(oid, serial, None), timeout=300)
         if sum((len(x) for x in object_dict.itervalues())) == MIN_RANGE_LENGTH:
             ask(self._doAskCheckSerialRange(max_oid, add64(max_serial, 1),