hwvtepsouthbound/hwvtepsouthbound-impl/src/test/java/org/opendaylight/ovsdb/hwvtepsouthbound/HwvtepOperationalDataChangeListener.java

   1 /*
   2  * Copyright (c) 2016, 2017 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
   9 package org.opendaylight.ovsdb.hwvtepsouthbound;
  10
  11 import java.util.Collection;
  12 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  15 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  16 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  17 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.ovsdb.lib.notation.UUID;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacs;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteUcastMacs;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  29 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  30 import org.opendaylight.yangtools.yang.binding.ChildOf;
  31 import org.opendaylight.yangtools.yang.binding.DataObject;
  32 import org.opendaylight.yangtools.yang.binding.Identifiable;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 public class HwvtepOperationalDataChangeListener implements ClusteredDataTreeChangeListener<Node>, AutoCloseable {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(HwvtepOperationalDataChangeListener.class);
  40
  41     private final ListenerRegistration<HwvtepOperationalDataChangeListener> registration;
  42     private final HwvtepConnectionManager hcm;
  43     private final DataBroker db;
  44     private final HwvtepConnectionInstance connectionInstance;
  45
  46     HwvtepOperationalDataChangeListener(DataBroker db, HwvtepConnectionManager hcm,
  47             HwvtepConnectionInstance connectionInstance) {
  48         this.db = db;
  49         this.hcm = hcm;
  50         this.connectionInstance = connectionInstance;
  51         DataTreeIdentifier<Node> treeId = new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL, getWildcardPath());
  52         registration = db.registerDataTreeChangeListener(treeId, HwvtepOperationalDataChangeListener.this);
  53     }
  54
  55     @Override
  56     public void close() throws Exception {
  57         if (registration != null) {
  58             registration.close();
  59         }
  60     }
  61
  62     @Override
  63     public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
  64         for (DataTreeModification<Node> change : changes) {
  65             final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  66             final DataObjectModification<Node> mod = change.getRootNode();
  67             for (DataObjectModification<? extends DataObject> child : mod.getModifiedChildren()) {
  68                 updateDeviceOpData(key, child);
  69             }
  70             DataObjectModification<HwvtepGlobalAugmentation> aug =
  71                     mod.getModifiedAugmentation(HwvtepGlobalAugmentation.class);
  72             if (aug != null && getModificationType(aug) != null) {
  73                 Collection<DataObjectModification<? extends DataObject>> children = aug.getModifiedChildren();
  74                 for (DataObjectModification<? extends DataObject> child : children) {
  75                     updateDeviceOpData(key, child);
  76                 }
  77             }
  78         }
  79     }
  80
  81     private void updateDeviceOpData(InstanceIdentifier<Node> key, DataObjectModification<? extends DataObject> mod) {
  82         ModificationType type = getModificationType(mod);
  83         if (type == null) {
  84             return;
  85         }
  86         Class<? extends Identifiable> childClass = (Class<? extends Identifiable>) mod.getDataType();
  87         InstanceIdentifier instanceIdentifier = getKey(key, mod, mod.getDataAfter());
  88         switch (type) {
  89             case WRITE:
  90                 connectionInstance.getDeviceInfo().updateDeviceOperData(childClass, instanceIdentifier,
  91                         new UUID("uuid"), mod.getDataAfter());
  92                 break;
  93             case DELETE:
  94                 connectionInstance.getDeviceInfo().clearDeviceOperData(childClass, instanceIdentifier);
  95                 break;
  96             case SUBTREE_MODIFIED:
  97                 break;
  98             default:
  99                 break;
 100         }
 101     }
 102
 103     private ModificationType getModificationType(DataObjectModification<? extends DataObject> mod) {
 104         try {
 105             return mod.getModificationType();
 106         } catch (IllegalStateException e) {
 107             LOG.debug("Failed to get the modification type ", e);
 108         }
 109         return null;
 110     }
 111
 112     private InstanceIdentifier getKey(InstanceIdentifier<Node> key, DataObjectModification<? extends DataObject> child,
 113                                       DataObject data) {
 114         Class<? extends DataObject> childClass = child.getDataType();
 115         InstanceIdentifier instanceIdentifier = null;
 116         if (LogicalSwitches.class == childClass) {
 117             LogicalSwitches ls = (LogicalSwitches)data;
 118             instanceIdentifier = key.augmentation(HwvtepGlobalAugmentation.class).child(LogicalSwitches.class,
 119                     ls.getKey());
 120         } else if (org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology
 121                 .topology.node.TerminationPoint.class == childClass) {
 122             TerminationPoint tp = (TerminationPoint)data;
 123             instanceIdentifier = key.child(TerminationPoint.class, tp.getKey());
 124         } else if (RemoteUcastMacs.class == childClass) {
 125             RemoteUcastMacs mac = (RemoteUcastMacs)data;
 126             instanceIdentifier = key.augmentation(HwvtepGlobalAugmentation.class).child(RemoteUcastMacs.class,
 127                     mac.getKey());
 128         } else if (RemoteMcastMacs.class ==  childClass) {
 129             RemoteMcastMacs mac = (RemoteMcastMacs)data;
 130             instanceIdentifier = key.augmentation(HwvtepGlobalAugmentation.class).child(RemoteMcastMacs.class,
 131                     mac.getKey());
 132         }
 133         return instanceIdentifier;
 134     }
 135
 136     Class<? extends ChildOf<? super HwvtepGlobalAugmentation>> getClass(Class<? extends DataObject> cls) {
 137         return (Class<? extends ChildOf<? super HwvtepGlobalAugmentation>>) cls;
 138     }
 139
 140     private InstanceIdentifier<Node> getWildcardPath() {
 141         InstanceIdentifier<Node> path = InstanceIdentifier
 142                         .create(NetworkTopology.class)
 143                         .child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID))
 144                         .child(Node.class);
 145         return path;
 146     }
 147 }