mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/mdsal/AuthenticationKeyDataListener.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc.  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.lispflowmapping.implementation.mdsal;
   9
  10 import java.util.Collection;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  13 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  14 import org.opendaylight.lispflowmapping.interfaces.mapcache.IMappingSystem;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingDatabase;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKey;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifier;
  18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
  22
  23 /**
  24  * DataListener for all AuthenticationKey modification events.
  25  *
  26  * @author Lorand Jakab
  27  *
  28  */
  29 public class AuthenticationKeyDataListener extends AbstractDataListener<AuthenticationKey> {
  30     private static final Logger LOG = LoggerFactory.getLogger(AuthenticationKeyDataListener.class);
  31     private IMappingSystem mapSystem;
  32
  33     public AuthenticationKeyDataListener(DataBroker broker, IMappingSystem mapSystem) {
  34         setBroker(broker);
  35         setMappingSystem(mapSystem);
  36         setPath(InstanceIdentifier.create(MappingDatabase.class).child(VirtualNetworkIdentifier.class)
  37                 .child(AuthenticationKey.class));
  38         LOG.trace("Registering AuthenticationKey listener.");
  39         registerDataChangeListener();
  40     }
  41
  42     @Override
  43     public void onDataTreeChanged(Collection<DataTreeModification<AuthenticationKey>> changes) {
  44         for (DataTreeModification<AuthenticationKey> change : changes) {
  45             final DataObjectModification<AuthenticationKey> mod = change.getRootNode();
  46
  47             if (ModificationType.DELETE == mod.getModificationType()) {
  48                 final AuthenticationKey authKey = mod.getDataBefore();
  49
  50                 LOG.trace("Received deleted data");
  51                 LOG.trace("Key: {}", change.getRootPath().getRootIdentifier());
  52                 LOG.trace("Value: {}", authKey);
  53
  54                 mapSystem.removeAuthenticationKey(authKey.getEid());
  55             } else if (ModificationType.WRITE == mod.getModificationType() || ModificationType.SUBTREE_MODIFIED == mod
  56                     .getModificationType()) {
  57                 if (ModificationType.WRITE == mod.getModificationType()) {
  58                     LOG.trace("Received created data");
  59                 } else {
  60                     LOG.trace("Received updated data");
  61                 }
  62                 // Process newly created or updated authentication keys
  63                 final AuthenticationKey authKey = mod.getDataAfter();
  64
  65                 LOG.trace("Key: {}", change.getRootPath().getRootIdentifier());
  66                 LOG.trace("Value: {}", authKey);
  67
  68                 mapSystem.addAuthenticationKey(authKey.getEid(), authKey.getMappingAuthkey());
  69             } else {
  70                 LOG.warn("Ignoring unhandled modification type {}", mod.getModificationType());
  71             }
  72         }
  73     }
  74
  75     void setMappingSystem(IMappingSystem msmr) {
  76         this.mapSystem = msmr;
  77     }
  78 }