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

   1 /*
   2  * Copyright (c) 2015 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 org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  14 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  16 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.ovsdb.lib.notation.UUID;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteMcastMacs;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteUcastMacs;
  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.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.yangtools.concepts.ListenerRegistration;
  29 import org.opendaylight.yangtools.yang.binding.ChildOf;
  30 import org.opendaylight.yangtools.yang.binding.DataObject;
  31 import org.opendaylight.yangtools.yang.binding.Identifiable;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 import java.util.Collection;
  37
  38 public class HwvtepOperationalDataChangeListener implements ClusteredDataTreeChangeListener<Node>, AutoCloseable {
  39
  40     private static final Logger LOG = LoggerFactory.getLogger(HwvtepOperationalDataChangeListener.class);
  41
  42     private final ListenerRegistration<HwvtepOperationalDataChangeListener> registration;
  43     private final HwvtepConnectionManager hcm;
  44     private final DataBroker db;
  45     private final HwvtepConnectionInstance connectionInstance;
  46
  47     HwvtepOperationalDataChangeListener(DataBroker db, HwvtepConnectionManager hcm, HwvtepConnectionInstance connectionInstance) {
  48         this.db = db;
  49         this.hcm = hcm;
  50         this.connectionInstance = connectionInstance;
  51         DataTreeIdentifier<Node> treeId =
  52                 new DataTreeIdentifier<Node>(LogicalDatastoreType.OPERATIONAL, getWildcardPath());
  53         registration = db.registerDataTreeChangeListener(treeId, HwvtepOperationalDataChangeListener.this);
  54     }
  55
  56     @Override
  57     public void close() throws Exception {
  58         if(registration != null) {
  59             registration.close();
  60         }
  61     }
  62
  63     @Override
  64     public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
  65         for (DataTreeModification<Node> change : changes) {
  66             final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
  67             final DataObjectModification<Node> mod = change.getRootNode();
  68             for (DataObjectModification<? extends DataObject> child : mod.getModifiedChildren()) {
  69                 updateDeviceOpData(key, child);
  70             }
  71             DataObjectModification<HwvtepGlobalAugmentation> aug = 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().updateDeviceOpData(childClass, instanceIdentifier,
  91                         new UUID("uuid"), mod.getDataAfter());
  92                 break;
  93             case DELETE:
  94                 connectionInstance.getDeviceInfo().clearDeviceOpData(childClass, instanceIdentifier);
  95                 break;
  96             case SUBTREE_MODIFIED:
  97         }
  98     }
  99
 100     private ModificationType getModificationType(DataObjectModification<? extends DataObject> mod) {
 101         try {
 102             return mod.getModificationType();
 103         } catch (IllegalStateException e) {
 104             LOG.debug("Failed to get the modification type ", e);
 105         }
 106         return null;
 107     }
 108
 109     private InstanceIdentifier getKey(InstanceIdentifier<Node> key, DataObjectModification<? extends DataObject> child,
 110                                       DataObject data) {
 111         Class<? extends DataObject> childClass = child.getDataType();
 112         InstanceIdentifier instanceIdentifier = null;
 113         if (LogicalSwitches.class == childClass) {
 114             LogicalSwitches ls = (LogicalSwitches)data;
 115             instanceIdentifier = key.augmentation(HwvtepGlobalAugmentation.class).child(LogicalSwitches.class, ls.getKey());
 116         } else if (org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint.class == childClass) {
 117             TerminationPoint tp = (TerminationPoint)data;
 118             instanceIdentifier = key.child(TerminationPoint.class, tp.getKey());
 119         } else if (RemoteUcastMacs.class == childClass) {
 120             RemoteUcastMacs mac = (RemoteUcastMacs)data;
 121             instanceIdentifier = key.augmentation(HwvtepGlobalAugmentation.class).child(RemoteUcastMacs.class, mac.getKey());
 122         } else if (RemoteMcastMacs.class ==  childClass) {
 123             RemoteMcastMacs mac = (RemoteMcastMacs)data;
 124             instanceIdentifier = key.augmentation(HwvtepGlobalAugmentation.class).child(RemoteMcastMacs.class, mac.getKey());
 125         }
 126         return instanceIdentifier;
 127     }
 128
 129     Class<? extends ChildOf<? super HwvtepGlobalAugmentation>> getClass(Class<? extends DataObject> cls) {
 130         return (Class<? extends ChildOf<? super HwvtepGlobalAugmentation>>) cls;
 131     }
 132
 133     private InstanceIdentifier<Node> getWildcardPath() {
 134         InstanceIdentifier<Node> path = InstanceIdentifier
 135                         .create(NetworkTopology.class)
 136                         .child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID))
 137                         .child(Node.class);
 138         return path;
 139     }
 140 }