interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/listeners/TerminationPointStateListener.java

   1 /*
   2  * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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.vpnservice.interfacemgr.listeners;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  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.AsyncDataBroker;
  14 import org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase;
  15 import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
  16 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.statehelpers.OvsInterfaceTopologyStateUpdateHelper;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 import java.util.List;
  27 import java.util.concurrent.Callable;
  28
  29 public class TerminationPointStateListener extends AsyncDataChangeListenerBase<OvsdbTerminationPointAugmentation, TerminationPointStateListener> {
  30     private static final Logger LOG = LoggerFactory.getLogger(TerminationPointStateListener.class);
  31     private DataBroker dataBroker;
  32
  33     public TerminationPointStateListener(DataBroker dataBroker) {
  34         super(OvsdbTerminationPointAugmentation.class, TerminationPointStateListener.class);
  35         this.dataBroker = dataBroker;
  36     }
  37
  38     @Override
  39     protected InstanceIdentifier<OvsdbTerminationPointAugmentation> getWildCardPath() {
  40         return InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class)
  41                 .child(Node.class).child(TerminationPoint.class).augmentation(OvsdbTerminationPointAugmentation.class).build();
  42     }
  43
  44     @Override
  45     protected DataChangeListener getDataChangeListener() {
  46         return TerminationPointStateListener.this;
  47     }
  48
  49     @Override
  50     protected AsyncDataBroker.DataChangeScope getDataChangeScope() {
  51         return AsyncDataBroker.DataChangeScope.SUBTREE;
  52     }
  53
  54     @Override
  55     protected void remove(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  56                           OvsdbTerminationPointAugmentation tpOld) {
  57     }
  58
  59     @Override
  60     protected void update(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  61                           OvsdbTerminationPointAugmentation tpOld,
  62                           OvsdbTerminationPointAugmentation tpNew) {
  63         LOG.debug("Received Update DataChange Notification for ovsdb termination point {}", tpNew.getName());
  64         if (tpNew.getInterfaceBfdStatus() != null &&
  65                 !tpNew.getInterfaceBfdStatus().equals(tpOld.getInterfaceBfdStatus())) {
  66             LOG.trace("Bfd Status changed for ovsdb termination point identifier: {},  old: {}, new: {}.",
  67                     identifier, tpOld, tpNew);
  68             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  69             RendererStateUpdateWorker rendererStateAddWorker = new RendererStateUpdateWorker(identifier, tpNew, tpOld);
  70             jobCoordinator.enqueueJob(tpNew.getName(), rendererStateAddWorker);
  71         }
  72     }
  73
  74     @Override
  75     protected void add(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  76                        OvsdbTerminationPointAugmentation tpNew) {
  77
  78     }
  79
  80     private class RendererStateUpdateWorker implements Callable<List<ListenableFuture<Void>>> {
  81         InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier;
  82         OvsdbTerminationPointAugmentation terminationPointNew;
  83         OvsdbTerminationPointAugmentation terminationPointOld;
  84
  85
  86         public RendererStateUpdateWorker(InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier,
  87                                          OvsdbTerminationPointAugmentation tpNew, OvsdbTerminationPointAugmentation tpOld) {
  88             this.instanceIdentifier = instanceIdentifier;
  89             this.terminationPointNew = tpNew;
  90             this.terminationPointOld = tpOld;
  91         }
  92
  93         @Override
  94         public List<ListenableFuture<Void>> call() throws Exception {
  95             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
  96             // to call the respective helpers.
  97             return OvsInterfaceTopologyStateUpdateHelper.updateTunnelState(dataBroker,
  98                     terminationPointNew, terminationPointOld);
  99         }
 100     }
 101 }