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.AsyncClusteredDataTreeChangeListenerBase;
  15 import org.opendaylight.genius.datastoreutils.AsyncDataChangeListenerBase;
  16 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  17 import org.opendaylight.genius.interfacemanager.IfmConstants;
  18 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  19 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceTopologyStateUpdateHelper;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import java.util.List;
  30 import java.util.concurrent.Callable;
  31
  32 public class TerminationPointStateListener extends AsyncClusteredDataTreeChangeListenerBase<OvsdbTerminationPointAugmentation, TerminationPointStateListener> {
  33     private static final Logger LOG = LoggerFactory.getLogger(TerminationPointStateListener.class);
  34     private DataBroker dataBroker;
  35
  36     public TerminationPointStateListener(DataBroker dataBroker) {
  37         super(OvsdbTerminationPointAugmentation.class, TerminationPointStateListener.class);
  38         this.dataBroker = dataBroker;
  39     }
  40
  41     @Override
  42     protected InstanceIdentifier<OvsdbTerminationPointAugmentation> getWildCardPath() {
  43         return InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class)
  44                 .child(Node.class).child(TerminationPoint.class).augmentation(OvsdbTerminationPointAugmentation.class).build();
  45     }
  46
  47     @Override
  48     protected TerminationPointStateListener getDataTreeChangeListener() {
  49         return TerminationPointStateListener.this;
  50     }
  51
  52     @Override
  53     protected void remove(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  54                           OvsdbTerminationPointAugmentation tpOld) {
  55         LOG.debug("Received remove DataChange Notification for ovsdb termination point {}", tpOld.getName());
  56         if (tpOld.getInterfaceBfdStatus() != null) {
  57             LOG.debug("Received termination point removed notification with bfd status values {}", tpOld.getName());
  58             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  59             RendererStateRemoveWorker rendererStateRemoveWorker = new RendererStateRemoveWorker(tpOld);
  60             jobCoordinator.enqueueJob(tpOld.getName(), rendererStateRemoveWorker);
  61         }
  62     }
  63
  64     @Override
  65     protected void update(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  66                           OvsdbTerminationPointAugmentation tpOld,
  67                           OvsdbTerminationPointAugmentation tpNew) {
  68         LOG.debug("Received Update DataChange Notification for ovsdb termination point {}", tpNew.getName());
  69         if (tpNew.getInterfaceBfdStatus() != null &&
  70                 !tpNew.getInterfaceBfdStatus().equals(tpOld.getInterfaceBfdStatus())) {
  71             LOG.trace("Bfd Status changed for ovsdb termination point identifier: {},  old: {}, new: {}.",
  72                     identifier, tpOld, tpNew);
  73             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  74             RendererStateUpdateWorker rendererStateAddWorker = new RendererStateUpdateWorker(identifier, tpNew);
  75             jobCoordinator.enqueueJob(tpNew.getName(), rendererStateAddWorker, IfmConstants.JOB_MAX_RETRIES);
  76         }
  77     }
  78
  79     @Override
  80     protected void add(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  81                        OvsdbTerminationPointAugmentation tpNew) {
  82         LOG.debug("Received add DataChange Notification for ovsdb termination point {}", tpNew.getName());
  83         if (tpNew.getInterfaceBfdStatus() != null) {
  84             LOG.debug("Received termination point added notification with bfd status values {}", tpNew.getName());
  85             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  86             RendererStateUpdateWorker rendererStateUpdateWorker = new RendererStateUpdateWorker(identifier, tpNew);
  87             jobCoordinator.enqueueJob(tpNew.getName(), rendererStateUpdateWorker, IfmConstants.JOB_MAX_RETRIES);
  88         }
  89
  90     }
  91
  92     private class RendererStateUpdateWorker implements Callable<List<ListenableFuture<Void>>> {
  93         InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier;
  94         OvsdbTerminationPointAugmentation terminationPointNew;
  95
  96
  97         public RendererStateUpdateWorker(InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier,
  98                                          OvsdbTerminationPointAugmentation tpNew) {
  99             this.instanceIdentifier = instanceIdentifier;
 100             this.terminationPointNew = tpNew;
 101         }
 102
 103         @Override
 104         public List<ListenableFuture<Void>> call() throws Exception {
 105             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
 106             // to call the respective helpers.
 107             return OvsInterfaceTopologyStateUpdateHelper.updateTunnelState(dataBroker,
 108                     terminationPointNew);
 109         }
 110     }
 111
 112     private class RendererStateRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
 113         OvsdbTerminationPointAugmentation terminationPointOld;
 114
 115
 116         public RendererStateRemoveWorker(OvsdbTerminationPointAugmentation tpNew) {
 117             this.terminationPointOld = tpNew;
 118         }
 119
 120         @Override
 121         public List<ListenableFuture<Void>> call() throws Exception {
 122             LOG.debug("Removing bfd state from cache, if any, for {}", terminationPointOld.getName());
 123             InterfaceManagerCommonUtils.removeBfdStateFromCache(terminationPointOld.getName());
 124             return null;
 125         }
 126     }
 127 }