Additional robustness: mark the server dobjmgr internal events as private

and refuse subscriptions to invalid oids (it's not out of the realm of
possibility that the clients were somehow subscribing to oid 0 and funny
things were happening).


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2778 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/client/ClientDObjectMgr.java

@@ -1,5 +1,5 @@
 //
-// $Id: ClientDObjectMgr.java,v 1.24 2003/05/22 17:23:53 mdb Exp $
+// $Id: ClientDObjectMgr.java,v 1.25 2003/08/16 04:14:56 mdb Exp $
 
 package com.threerings.presents.client;
 
@@ -74,7 +74,12 @@ public class ClientDObjectMgr
     // inherit documentation from the interface
     public void subscribeToObject (int oid, Subscriber target)
     {
-        queueAction(oid, target, true);
+        if (oid <= 0) {
+            target.requestFailed(
+                oid, new ObjectAccessException("Invalid oid " + oid + "."));
+        } else {
+            queueAction(oid, target, true);
+        }
     }
 
     // inherit documentation from the interface