vpnservice/neutronvpn/neutronvpn-impl/src/main/java/org/opendaylight/netvirt/neutronvpn/InterfaceStateToTransportZoneListener.java

   1 /*
   2  * Copyright (c) 2015 - 2016 HPE 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 org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  15 import org.opendaylight.genius.mdsalutil.MDSALDataStoreUtils;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.config.rev160806.NeutronvpnConfig;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 import com.google.common.base.Optional;
  24
  25 public class InterfaceStateToTransportZoneListener extends AsyncDataTreeChangeListenerBase<Interface, InterfaceStateToTransportZoneListener> implements ClusteredDataTreeChangeListener<Interface>, AutoCloseable{
  26
  27     private static final Logger LOG = LoggerFactory.getLogger(InterfaceStateToTransportZoneListener.class);
  28     private InterfaceStateManager ism;
  29
  30     public InterfaceStateToTransportZoneListener(DataBroker dbx, NeutronvpnManager nvManager) {
  31         super(Interface.class, InterfaceStateToTransportZoneListener.class);
  32         ism = new InterfaceStateManager(dbx, nvManager);
  33         Optional<NeutronvpnConfig> nvsConfig = MDSALDataStoreUtils.read(dbx,
  34                 LogicalDatastoreType.CONFIGURATION, InstanceIdentifier
  35                 .create(NeutronvpnConfig.class));
  36         Boolean useTZ = true;
  37         if (nvsConfig.isPresent()) {
  38             useTZ = nvsConfig.get().isUseTransportZone() == null ? true : nvsConfig.get().isUseTransportZone();
  39         }
  40         if (isAutoTunnelConfigEnabled(useTZ)) {
  41             registerListener(LogicalDatastoreType.OPERATIONAL, dbx);
  42         }
  43
  44     }
  45
  46     @Override
  47     protected InstanceIdentifier<Interface> getWildCardPath() {
  48         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
  49     }
  50
  51
  52     @Override
  53     protected void remove(InstanceIdentifier<Interface> identifier, Interface del) {
  54         // FIXME: once the TZ is declared it will stay forever
  55
  56     }
  57
  58     @Override
  59     protected void update(InstanceIdentifier<Interface> identifier, Interface original, Interface update) {
  60         ism.updateTrasportZone(update);
  61     }
  62
  63
  64     @Override
  65     protected void add(InstanceIdentifier<Interface> identifier, Interface add) {
  66         ism.updateTrasportZone(add);
  67     }
  68
  69     @Override
  70     protected InterfaceStateToTransportZoneListener getDataTreeChangeListener() {
  71         return InterfaceStateToTransportZoneListener.this;
  72     }
  73
  74     private boolean isAutoTunnelConfigEnabled(Boolean useTZ) {
  75         if (useTZ) {
  76             LOG.info("using automatic tunnel configuration");
  77         } else {
  78             LOG.info("don't use automatic tunnel configuration");
  79         }
  80         return useTZ;
  81     }
  82
  83 }