interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/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.genius.interfacemanager.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.genius.datastoreutils.AsyncDataChangeListenerBase;
  15 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  16 import org.opendaylight.genius.interfacemanager.IfmConstants;
  17 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceTopologyStateUpdateHelper;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 import java.util.List;
  28 import java.util.concurrent.Callable;
  29
  30 public class TerminationPointStateListener extends AsyncDataChangeListenerBase<OvsdbTerminationPointAugmentation, TerminationPointStateListener> {
  31     private static final Logger LOG = LoggerFactory.getLogger(TerminationPointStateListener.class);
  32     private DataBroker dataBroker;
  33
  34     public TerminationPointStateListener(DataBroker dataBroker) {
  35         super(OvsdbTerminationPointAugmentation.class, TerminationPointStateListener.class);
  36         this.dataBroker = dataBroker;
  37     }
  38
  39     @Override
  40     protected InstanceIdentifier<OvsdbTerminationPointAugmentation> getWildCardPath() {
  41         return InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class)
  42                 .child(Node.class).child(TerminationPoint.class).augmentation(OvsdbTerminationPointAugmentation.class).build();
  43     }
  44
  45     @Override
  46     protected DataChangeListener getDataChangeListener() {
  47         return TerminationPointStateListener.this;
  48     }
  49
  50     @Override
  51     protected AsyncDataBroker.DataChangeScope getDataChangeScope() {
  52         return AsyncDataBroker.DataChangeScope.SUBTREE;
  53     }
  54
  55     @Override
  56     protected void remove(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  57                           OvsdbTerminationPointAugmentation tpOld) {
  58     }
  59
  60     @Override
  61     protected void update(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  62                           OvsdbTerminationPointAugmentation tpOld,
  63                           OvsdbTerminationPointAugmentation tpNew) {
  64         LOG.debug("Received Update DataChange Notification for ovsdb termination point {}", tpNew.getName());
  65         if (tpNew.getInterfaceBfdStatus() != null &&
  66                 !tpNew.getInterfaceBfdStatus().equals(tpOld.getInterfaceBfdStatus())) {
  67             LOG.trace("Bfd Status changed for ovsdb termination point identifier: {},  old: {}, new: {}.",
  68                     identifier, tpOld, tpNew);
  69             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  70             RendererStateUpdateWorker rendererStateAddWorker = new RendererStateUpdateWorker(identifier, tpNew);
  71             jobCoordinator.enqueueJob(tpNew.getName(), rendererStateAddWorker, IfmConstants.JOB_MAX_RETRIES);
  72         }
  73     }
  74
  75     @Override
  76     protected void add(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  77                        OvsdbTerminationPointAugmentation tpNew) {
  78         LOG.debug("Received add DataChange Notification for ovsdb termination point {}", tpNew.getName());
  79         if (tpNew.getInterfaceBfdStatus() != null) {
  80             LOG.debug("Received termination point added notification with bfd status values {}", tpNew.getName());
  81             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  82             RendererStateUpdateWorker rendererStateUpdateWorker = new RendererStateUpdateWorker(identifier, tpNew);
  83             jobCoordinator.enqueueJob(tpNew.getName(), rendererStateUpdateWorker, IfmConstants.JOB_MAX_RETRIES);
  84         }
  85
  86     }
  87
  88     private class RendererStateUpdateWorker implements Callable<List<ListenableFuture<Void>>> {
  89         InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier;
  90         OvsdbTerminationPointAugmentation terminationPointNew;
  91
  92
  93         public RendererStateUpdateWorker(InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier,
  94                                          OvsdbTerminationPointAugmentation tpNew) {
  95             this.instanceIdentifier = instanceIdentifier;
  96             this.terminationPointNew = tpNew;
  97         }
  98
  99         @Override
 100         public List<ListenableFuture<Void>> call() throws Exception {
 101             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
 102             // to call the respective helpers.
 103             return OvsInterfaceTopologyStateUpdateHelper.updateTunnelState(dataBroker,
 104                     terminationPointNew);
 105         }
 106     }
 107 }