+package org.opendaylight.vpnservice.interfacemgr;
+
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
+
+import java.util.Iterator;
+import java.util.List;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.opendaylight.vpnservice.AbstractDataChangeListener;
+
+public class IfmNodeConnectorListener extends AbstractDataChangeListener<NodeConnector> implements AutoCloseable{
+ private static final Logger LOG = LoggerFactory.getLogger(IfmNodeConnectorListener.class);
+ private ListenerRegistration<DataChangeListener> listenerRegistration;
+ private final DataBroker broker;
+ private InterfaceManager ifManager;
+
+ public IfmNodeConnectorListener(final DataBroker db) {
+ super(NodeConnector.class);
+ broker = db;
+ registerListener(db);
+ }
+
+ public IfmNodeConnectorListener(final DataBroker dataBroker, InterfaceManager interfaceManager) {
+ this(dataBroker);
+ ifManager = interfaceManager;
+ }
+
+ private void registerListener(final DataBroker db) {
+ try {
+ listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
+ getWildCardPath(), IfmNodeConnectorListener.this, DataChangeScope.SUBTREE);
+ } catch (final Exception e) {
+ LOG.error("IfmNodeConnectorListener: DataChange listener registration fail!", e);
+ throw new IllegalStateException("IfmNodeConnectorListener: registration Listener failed.", e);
+ }
+ }
+
+ private InstanceIdentifier<NodeConnector> getWildCardPath() {
+ return InstanceIdentifier.create(Nodes.class).child(Node.class).child(NodeConnector.class);
+ }
+
+ @Override
+ public void close() throws Exception {
+ if (listenerRegistration != null) {
+ try {
+ listenerRegistration.close();
+ } catch (final Exception e) {
+ LOG.error("Error when cleaning up DataChangeListener.", e);
+ }
+ listenerRegistration = null;
+ }
+ LOG.info("IfmNodeConnectorListener Closed");
+ }
+
+ @Override
+ protected void add(InstanceIdentifier<NodeConnector> identifier, NodeConnector node) {
+ LOG.trace("NodeConnectorAdded: key: " + identifier + ", value=" + node );
+ ifManager.processPortAdd(node);
+ }
+
+ @Override
+ protected void remove(InstanceIdentifier<NodeConnector> identifier, NodeConnector del) {
+ LOG.trace("NodeConnectorRemoved: key: " + identifier + ", value=" + del );
+ ifManager.processPortDelete(del);
+ }
+
+ @Override
+ protected void update(InstanceIdentifier<NodeConnector> identifier, NodeConnector original, NodeConnector update) {
+ LOG.trace("NodeConnectorUpdated: key: " + identifier + ", original=" + original + ", update=" + update );
+ ifManager.processPortUpdate(original, update);
+ }
+
+}