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
  12 import java.util.List;
  13 import java.util.concurrent.Callable;
  14
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  18 import org.opendaylight.genius.interfacemanager.IfmConstants;
  19 import org.opendaylight.genius.interfacemanager.InterfacemgrProvider;
  20 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  21 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceTopologyStateUpdateHelper;
  22 import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.IfmClusterUtils;
  23 import org.opendaylight.ovsdb.utils.mdsal.utils.MdsalUtils;
  24 import org.opendaylight.ovsdb.utils.southbound.utils.SouthboundUtils;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class TerminationPointStateListener extends AsyncClusteredDataTreeChangeListenerBase<OvsdbTerminationPointAugmentation, TerminationPointStateListener> {
  35     private static final Logger LOG = LoggerFactory.getLogger(TerminationPointStateListener.class);
  36     private final DataBroker dataBroker;
  37     private final MdsalUtils mdsalUtils;
  38     private final SouthboundUtils southboundUtils;
  39     private final InterfacemgrProvider interfaceMgrProvider;
  40
  41     public TerminationPointStateListener(DataBroker dataBroker,
  42                                          final InterfacemgrProvider interfaceMgrProvider) {
  43         super(OvsdbTerminationPointAugmentation.class, TerminationPointStateListener.class);
  44         this.dataBroker = dataBroker;
  45         this.mdsalUtils = new MdsalUtils(dataBroker);
  46         this.southboundUtils = new SouthboundUtils(mdsalUtils);
  47         this.interfaceMgrProvider = interfaceMgrProvider;
  48     }
  49
  50     @Override
  51     protected InstanceIdentifier<OvsdbTerminationPointAugmentation> getWildCardPath() {
  52         return InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class)
  53                 .child(Node.class).child(TerminationPoint.class).augmentation(OvsdbTerminationPointAugmentation.class).build();
  54     }
  55
  56     @Override
  57     protected TerminationPointStateListener getDataTreeChangeListener() {
  58         return TerminationPointStateListener.this;
  59     }
  60
  61     @Override
  62     protected void remove(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  63                           OvsdbTerminationPointAugmentation tpOld) {
  64         LOG.debug("Received remove DataChange Notification for ovsdb termination point {}", tpOld.getName());
  65         if (tpOld.getInterfaceBfdStatus() != null) {
  66             LOG.debug("Received termination point removed notification with bfd status values {}", tpOld.getName());
  67             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  68             RendererStateRemoveWorker rendererStateRemoveWorker = new RendererStateRemoveWorker(tpOld);
  69             jobCoordinator.enqueueJob(tpOld.getName(), rendererStateRemoveWorker);
  70         }
  71     }
  72
  73     @Override
  74     protected void update(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
  75                           OvsdbTerminationPointAugmentation tpOld,
  76                           OvsdbTerminationPointAugmentation tpNew) {
  77         LOG.debug("Received Update DataChange Notification for ovsdb termination point {}", tpNew.getName());
  78         if (tpNew.getInterfaceBfdStatus() != null && (tpOld == null ||
  79                 !tpNew.getInterfaceBfdStatus().equals(tpOld.getInterfaceBfdStatus()))) {
  80             LOG.trace("Bfd Status changed for ovsdb termination point identifier: {},  old: {}, new: {}.",
  81                     identifier, tpOld, tpNew);
  82             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  83             RendererStateUpdateWorker rendererStateAddWorker = new RendererStateUpdateWorker(identifier, tpNew);
  84             jobCoordinator.enqueueJob(tpNew.getName(), rendererStateAddWorker, IfmConstants.JOB_MAX_RETRIES);
  85         }
  86
  87         IfmClusterUtils.runOnlyInLeaderNode(() -> {
  88             String oldInterfaceName = SouthboundUtils.getExternalInterfaceIdValue(tpOld);
  89             String newInterfaceName = SouthboundUtils.getExternalInterfaceIdValue(tpNew);
  90             if (newInterfaceName != null && (oldInterfaceName == null || !oldInterfaceName.equals(newInterfaceName))) {
  91                 InstanceIdentifier<Node> nodeInstanceId = identifier.firstIdentifierOf(Node.class);
  92                 String dpnId = southboundUtils.getDatapathIdFromNodeInstanceId(nodeInstanceId);
  93                 if (dpnId == null) {
  94                     return;
  95                 }
  96                 String parentRefName = InterfaceManagerCommonUtils.getPortNameForInterface(dpnId, tpNew.getName());
  97                 LOG.debug("Detected update to termination point {} with external ID {}, updating parent ref "
  98                         + "of that interface ID to this termination point's interface-state name {}",
  99                         tpNew.getName(), newInterfaceName, parentRefName);
 100                 interfaceMgrProvider.updateInterfaceParentRef(newInterfaceName, parentRefName);
 101             }
 102         });
 103     }
 104
 105     @Override
 106     protected void add(InstanceIdentifier<OvsdbTerminationPointAugmentation> identifier,
 107                        OvsdbTerminationPointAugmentation tpNew) {
 108         update(identifier, null, tpNew);
 109     }
 110
 111     private class RendererStateUpdateWorker implements Callable<List<ListenableFuture<Void>>> {
 112         InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier;
 113         OvsdbTerminationPointAugmentation terminationPointNew;
 114
 115
 116         public RendererStateUpdateWorker(InstanceIdentifier<OvsdbTerminationPointAugmentation> instanceIdentifier,
 117                                          OvsdbTerminationPointAugmentation tpNew) {
 118             this.instanceIdentifier = instanceIdentifier;
 119             this.terminationPointNew = tpNew;
 120         }
 121
 122         @Override
 123         public List<ListenableFuture<Void>> call() {
 124             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
 125             // to call the respective helpers.
 126             return OvsInterfaceTopologyStateUpdateHelper.updateTunnelState(dataBroker,
 127                     terminationPointNew);
 128         }
 129     }
 130
 131     private class RendererStateRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
 132         OvsdbTerminationPointAugmentation terminationPointOld;
 133
 134
 135         public RendererStateRemoveWorker(OvsdbTerminationPointAugmentation tpNew) {
 136             this.terminationPointOld = tpNew;
 137         }
 138
 139         @Override
 140         public List<ListenableFuture<Void>> call() {
 141             LOG.debug("Removing bfd state from cache, if any, for {}", terminationPointOld.getName());
 142             InterfaceManagerCommonUtils.removeBfdStateFromCache(terminationPointOld.getName());
 143             return null;
 144         }
 145     }
 146 }