1 package org.opendaylight.vpnservice.fibmanager;
3 import java.math.BigInteger;
5 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
6 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
7 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
8 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
9 import org.opendaylight.vpnservice.AbstractDataChangeListener;
10 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
11 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
12 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
13 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
15 import org.opendaylight.yangtools.concepts.ListenerRegistration;
16 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
17 import org.slf4j.Logger;
18 import org.slf4j.LoggerFactory;
20 public class FibNodeCapableListener extends AbstractDataChangeListener<FlowCapableNode> implements AutoCloseable{
21 private static final Logger LOG = LoggerFactory.getLogger(FibNodeCapableListener.class);
22 private ListenerRegistration<DataChangeListener> listenerRegistration;
23 private FibManager fibManager;
25 public FibNodeCapableListener(final DataBroker dataBroker, FibManager fibManager) {
26 super(FlowCapableNode.class);
27 registerListener(dataBroker);
28 this.fibManager = fibManager;
31 private void registerListener(final DataBroker db) {
33 listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
34 getWildCardPath(), FibNodeCapableListener.this, DataChangeScope.ONE);
35 } catch (final Exception e) {
36 LOG.error("FibNodeConnectorListener: DataChange listener registration fail!", e);
37 throw new IllegalStateException("FibNodeConnectorListener: registration Listener failed.", e);
41 private InstanceIdentifier<FlowCapableNode> getWildCardPath() {
42 return InstanceIdentifier.create(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class);
46 public void close() throws Exception {
47 if (listenerRegistration != null) {
49 listenerRegistration.close();
50 } catch (final Exception e) {
51 LOG.error("Error when cleaning up DataChangeListener.", e);
53 listenerRegistration = null;
55 LOG.info("FibNodeConnectorListener Closed");
59 protected void add(InstanceIdentifier<FlowCapableNode> identifier, FlowCapableNode node) {
60 LOG.trace("FlowCapableNode Added: key: " + identifier + ", value=" + node );
61 NodeKey nodeKey = identifier.firstKeyOf(Node.class, NodeKey.class);
62 BigInteger dpnId = MDSALUtil.getDpnIdFromNodeName(nodeKey.getId());
63 fibManager.processNodeAdd(dpnId);
67 protected void remove(InstanceIdentifier<FlowCapableNode> identifier, FlowCapableNode del) {
71 protected void update(InstanceIdentifier<FlowCapableNode> identifier, FlowCapableNode original, FlowCapableNode update) {