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 java.util.List;
  12 import java.util.concurrent.Callable;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  15 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  16 import org.opendaylight.genius.interfacemanager.IfmConstants;
  17 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  18 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceTopologyStateUpdateHelper;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 public class TerminationPointStateListener extends AsyncClusteredDataTreeChangeListenerBase<OvsdbTerminationPointAugmentation, TerminationPointStateListener> {
  29     private static final Logger LOG = LoggerFactory.getLogger(TerminationPointStateListener.class);
  30     private DataBroker dataBroker;
  31
  32     public TerminationPointStateListener(DataBroker dataBroker) {
  33         super(OvsdbTerminationPointAugmentation.class, TerminationPointStateListener.class);
  34         this.dataBroker = dataBroker;
  35     }
  36
  37     @Override
  38     protected InstanceIdentifier<OvsdbTerminationPointAugmentation> getWildCardPath() {
  39         return InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class)
  40                 .child(Node.class).child(TerminationPoint.class).augmentation(OvsdbTerminationPointAugmentation.class).build();
  41     }
  42
  43     @Override
  44     protected TerminationPointStateListener getDataTreeChangeListener() {
  45         return TerminationPointStateListener.this;
  46     }
  47
  48     @Override
  49     protected void remove(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  50                           OvsdbTerminationPointAugmentation tpOld) {
  51         LOG.debug("Received remove DataChange Notification for ovsdb termination point {}", tpOld.getName());
  52         if (tpOld.getInterfaceBfdStatus() != null) {
  53             LOG.debug("Received termination point removed notification with bfd status values {}", tpOld.getName());
  54             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  55             RendererStateRemoveWorker rendererStateRemoveWorker = new RendererStateRemoveWorker(tpOld);
  56             jobCoordinator.enqueueJob(tpOld.getName(), rendererStateRemoveWorker);
  57         }
  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() {
 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
 108     private class RendererStateRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
 109         OvsdbTerminationPointAugmentation terminationPointOld;
 110
 111
 112         public RendererStateRemoveWorker(OvsdbTerminationPointAugmentation tpNew) {
 113             this.terminationPointOld = tpNew;
 114         }
 115
 116         @Override
 117         public List<ListenableFuture<Void>> call() {
 118             LOG.debug("Removing bfd state from cache, if any, for {}", terminationPointOld.getName());
 119             InterfaceManagerCommonUtils.removeBfdStateFromCache(terminationPointOld.getName());
 120             return null;
 121         }
 122     }
 123 }