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