Extract client info clearing into a method that can be easily extended.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4775 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/presents/peer/server/PeerManager.java

@@ -546,7 +546,7 @@ public class PeerManager
         Name username = client.getCredentials().getUsername();
         for (ClientInfo clinfo : _nodeobj.clients) {
             if (clinfo.username.equals(username)) {
-                _nodeobj.removeFromClients(clinfo.getKey());
+                clearClientInfo(client, clinfo);
                 return;
             }
         }
@@ -741,6 +741,14 @@ public class PeerManager
         info.username = client.getCredentials().getUsername();
     }
 
+    /**
+     * Called when a client ends their session to clear their information from our node object.
+     */
+    protected void clearClientInfo (PresentsClient client, ClientInfo info)
+    {
+        _nodeobj.removeFromClients(info.getKey());
+    }
+
     /**
      * Creates a {@link PeerNode} to manage our connection to the specified peer.
      */