neutronvpn/impl/src/main/java/org/opendaylight/netvirt/neutronvpn/UpgradeStateListener.java

   1 /*
   2  * Copyright (c) 2017 Red Hat, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netvirt.neutronvpn;
   9
  10 import javax.annotation.Nonnull;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.serviceutils.tools.mdsal.listener.AbstractClusteredSyncDataTreeChangeListener;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.serviceutils.upgrade.rev180702.UpgradeConfig;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 @Singleton
  24 public class UpgradeStateListener extends AbstractClusteredSyncDataTreeChangeListener<UpgradeConfig> {
  25     private static final Logger LOG = LoggerFactory.getLogger(UpgradeStateListener.class);
  26
  27     private final NeutronSubnetGwMacResolver neutronSubnetGwMacResolver;
  28
  29     @Inject
  30     public UpgradeStateListener(final DataBroker dataBroker,
  31                                 final NeutronSubnetGwMacResolver neutronSubnetGwMacResolver) {
  32         super(dataBroker, new DataTreeIdentifier<>(
  33                 LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(UpgradeConfig.class)));
  34         LOG.trace("UpgradeStateListener (neutronvpn) initialized");
  35         this.neutronSubnetGwMacResolver = neutronSubnetGwMacResolver;
  36     }
  37
  38     @Override
  39     public void add(@Nonnull UpgradeConfig newDataObject) {
  40     }
  41
  42     @Override
  43     public void remove(@Nonnull UpgradeConfig removedDataObject) {
  44     }
  45
  46     @Override
  47     public void update(@Nonnull UpgradeConfig original, UpgradeConfig updated) {
  48         LOG.info("UpgradeStateListener update from {} to {}", original, updated);
  49         neutronSubnetGwMacResolver.sendArpRequestsToExtGateways();
  50     }
  51 }