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.Map;
  11 import java.util.Set;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  15 import org.opendaylight.lispflowmapping.interfaces.mapcache.IMappingSystem;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingDatabase;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKey;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifier;
  19 import org.opendaylight.yangtools.yang.binding.DataObject;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 /**
  25  * DataListener for all AuthenticationKey modification events.
  26  *
  27  * @author Lorand Jakab
  28  *
  29  */
  30 public class AuthenticationKeyDataListener extends AbstractDataListener {
  31     private static final Logger LOG = LoggerFactory.getLogger(AuthenticationKeyDataListener.class);
  32     private IMappingSystem mapSystem;
  33
  34     public AuthenticationKeyDataListener(DataBroker broker, IMappingSystem mapSystem) {
  35         setBroker(broker);
  36         setMappingSystem(mapSystem);
  37         setPath(InstanceIdentifier.create(MappingDatabase.class).child(VirtualNetworkIdentifier.class)
  38                 .child(AuthenticationKey.class));
  39         LOG.trace("Registering AuthenticationKey listener.");
  40         registerDataChangeListener();
  41     }
  42
  43     @Override
  44     public void onDataChanged(
  45             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
  46
  47         // Process newly created authentication keys
  48         Map<InstanceIdentifier<?>, DataObject> createdData = change.getCreatedData();
  49         for (Map.Entry<InstanceIdentifier<?>, DataObject> entry : createdData.entrySet()) {
  50             if (entry.getValue() instanceof AuthenticationKey) {
  51                 AuthenticationKey authkey = (AuthenticationKey)entry.getValue();
  52
  53                 LOG.trace("Received created data");
  54                 LOG.trace("Key: {}", entry.getKey());
  55                 LOG.trace("Value: {}", authkey);
  56
  57                 mapSystem.addAuthenticationKey(authkey.getEid(), authkey.getMappingAuthkey());
  58             }
  59         }
  60
  61         // Process updated authentication keys
  62         Map<InstanceIdentifier<?>, DataObject> updatedData = change.getUpdatedData();
  63         for (Map.Entry<InstanceIdentifier<?>, DataObject> entry : updatedData.entrySet()) {
  64             if (entry.getValue() instanceof AuthenticationKey) {
  65                 AuthenticationKey authkey = (AuthenticationKey)entry.getValue();
  66
  67                 LOG.trace("Received changed data");
  68                 LOG.trace("Key: {}", entry.getKey());
  69                 LOG.trace("Value: {}", authkey);
  70
  71                 mapSystem.addAuthenticationKey(authkey.getEid(), authkey.getMappingAuthkey());
  72             }
  73         }
  74
  75         // Process deleted authentication keys
  76         Set<InstanceIdentifier<?>> removedData = change.getRemovedPaths();
  77         for (InstanceIdentifier<?> entry : removedData) {
  78             DataObject dataObject = change.getOriginalData().get(entry);
  79             if (dataObject instanceof AuthenticationKey) {
  80                 AuthenticationKey authkey = (AuthenticationKey)dataObject;
  81
  82                 LOG.trace("Received deleted data");
  83                 LOG.trace("Key: {}", entry);
  84                 LOG.trace("Value: {}", authkey);
  85
  86                 mapSystem.removeAuthenticationKey(authkey.getEid());
  87             }
  88         }
  89     }
  90
  91     void setMappingSystem(IMappingSystem msmr) {
  92         this.mapSystem = msmr;
  93     }
  94 }