interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/IfmNodeConnectorListener.java

   1 package org.opendaylight.vpnservice.interfacemgr;
   2
   3 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
   4
   5 import java.util.Iterator;
   6 import java.util.List;
   7 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
   8 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
   9 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  10 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  11 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  14 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  15 import org.slf4j.Logger;
  16 import org.slf4j.LoggerFactory;
  17 import org.opendaylight.vpnservice.AbstractDataChangeListener;
  18
  19 public class IfmNodeConnectorListener extends AbstractDataChangeListener<NodeConnector> implements AutoCloseable{
  20     private static final Logger LOG = LoggerFactory.getLogger(IfmNodeConnectorListener.class);
  21     private ListenerRegistration<DataChangeListener> listenerRegistration;
  22     private final DataBroker broker;
  23     private InterfaceManager ifManager;
  24
  25     public IfmNodeConnectorListener(final DataBroker db) {
  26         super(NodeConnector.class);
  27         broker = db;
  28         registerListener(db);
  29     }
  30
  31     public IfmNodeConnectorListener(final DataBroker dataBroker, InterfaceManager interfaceManager) {
  32         this(dataBroker);
  33         ifManager = interfaceManager;
  34     }
  35
  36     private void registerListener(final DataBroker db) {
  37         try {
  38             listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
  39                     getWildCardPath(), IfmNodeConnectorListener.this, DataChangeScope.SUBTREE);
  40         } catch (final Exception e) {
  41             LOG.error("IfmNodeConnectorListener: DataChange listener registration fail!", e);
  42             throw new IllegalStateException("IfmNodeConnectorListener: registration Listener failed.", e);
  43         }
  44     }
  45
  46     private InstanceIdentifier<NodeConnector> getWildCardPath() {
  47         return InstanceIdentifier.create(Nodes.class).child(Node.class).child(NodeConnector.class);
  48     }
  49
  50     @Override
  51     public void close() throws Exception {
  52         if (listenerRegistration != null) {
  53             try {
  54                 listenerRegistration.close();
  55             } catch (final Exception e) {
  56                 LOG.error("Error when cleaning up DataChangeListener.", e);
  57             }
  58             listenerRegistration = null;
  59         }
  60         LOG.info("IfmNodeConnectorListener Closed");
  61     }
  62
  63     @Override
  64     protected void add(InstanceIdentifier<NodeConnector> identifier, NodeConnector node) {
  65         LOG.trace("NodeConnectorAdded: key: " + identifier + ", value=" + node );
  66         ifManager.processPortAdd(node);
  67     }
  68
  69     @Override
  70     protected void remove(InstanceIdentifier<NodeConnector> identifier, NodeConnector del) {
  71         LOG.trace("NodeConnectorRemoved: key: " + identifier + ", value=" + del );
  72         ifManager.processPortDelete(del);
  73     }
  74
  75     @Override
  76     protected void update(InstanceIdentifier<NodeConnector> identifier, NodeConnector original, NodeConnector update) {
  77         ifManager.processPortUpdate(original, update);
  78     }
  79
  80 }