+
+
+ @Override
+ public void entryUpdated(ARPEvent key, Boolean new_value, String cacheName, boolean originLocal) {
+ if (key instanceof ARPRequest) {
+ ARPRequest req = (ARPRequest) key;
+ // If broadcast request
+ if (req.getHost() == null) {
+ sendBcastARPRequest(req.getTargetIP(), req.getSubnet());
+
+ //If unicast and local, send reply
+ } else if (connectionManager.isLocal(req.getHost().getnodeconnectorNode())) {
+ sendUcastARPRequest(req.getHost(), req.getSubnet());
+ }
+ } else if (key instanceof ARPReply) {
+ ARPReply rep = (ARPReply) key;
+ // New reply received by controller, notify all awaiting requestors across the cluster
+ if (new_value) {
+ generateAndSendReply(rep.getTargetIP(), rep.getTargetMac());
+
+ // Otherwise, a specific reply. If local, send out.
+ } else if (connectionManager.isLocal(rep.getPort().getNode())) {
+ sendARPReply(rep.getPort(),
+ rep.getSourceMac(),
+ rep.getSourceIP(),
+ rep.getTargetMac(),
+ rep.getTargetIP());
+ }
+ }
+ }
+
+ @Override
+ public void entryCreated(ARPEvent key, String cacheName, boolean originLocal) {
+ // nothing to do
+ }
+ @Override
+ public void entryDeleted(ARPEvent key, String cacheName, boolean originLocal) {
+ // nothing to do
+ }