qosservice/impl/src/main/java/org/opendaylight/netvirt/qosservice/QosNeutronNetworkChangeListener.java

   1 /*
   2  * Copyright (c) 2017 Intel Corporation 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.netvirt.qosservice;
   9
  10 import java.util.Objects;
  11 import javax.annotation.PreDestroy;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.infrautils.utils.concurrent.Executors;
  15 import org.opendaylight.mdsal.binding.api.DataBroker;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.netvirt.qosservice.recovery.QosServiceRecoveryHandler;
  18 import org.opendaylight.serviceutils.srm.RecoverableListener;
  19 import org.opendaylight.serviceutils.srm.ServiceRecoveryRegistry;
  20 import org.opendaylight.serviceutils.tools.listener.AbstractClusteredAsyncDataTreeChangeListener;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.Networks;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.ext.rev160613.QosNetworkExtension;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 @Singleton
  30 public class QosNeutronNetworkChangeListener extends AbstractClusteredAsyncDataTreeChangeListener<Network>
  31         implements RecoverableListener {
  32     private static final Logger LOG = LoggerFactory.getLogger(QosNeutronNetworkChangeListener.class);
  33     private final DataBroker dataBroker;
  34     private final QosNeutronUtils qosNeutronUtils;
  35
  36     @Inject
  37     public QosNeutronNetworkChangeListener(final DataBroker dataBroker,
  38                                            final QosNeutronUtils qosNeutronUtils,
  39                                            final ServiceRecoveryRegistry serviceRecoveryRegistry,
  40                                            final QosServiceRecoveryHandler qosServiceRecoveryHandler) {
  41         super(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(Neutron.class)
  42                 .child(Networks.class).child(Network.class),
  43                 Executors.newListeningSingleThreadExecutor("QosNeutronNetworkChangeListener", LOG));
  44         this.dataBroker = dataBroker;
  45         this.qosNeutronUtils = qosNeutronUtils;
  46         serviceRecoveryRegistry.addRecoverableListener(qosServiceRecoveryHandler.buildServiceRegistryKey(),
  47                 this);
  48         LOG.trace("{} created",  getClass().getSimpleName());
  49     }
  50
  51     public void init() {
  52         LOG.trace("{} init and registerListener done", getClass().getSimpleName());
  53     }
  54
  55     @Override
  56     @PreDestroy
  57     public void close() {
  58         super.close();
  59         Executors.shutdownAndAwaitTermination(getExecutorService());
  60     }
  61
  62     @Override
  63     public void registerListener() {
  64         super.register();
  65     }
  66
  67     @Override
  68     public void deregisterListener() {
  69         super.close();
  70     }
  71
  72     @Override
  73     public void remove(InstanceIdentifier<Network> instanceIdentifier, Network network) {
  74         qosNeutronUtils.removeFromNetworkCache(network);
  75     }
  76
  77     @Override
  78     public void update(InstanceIdentifier<Network> instanceIdentifier, Network original, Network update) {
  79         qosNeutronUtils.addToNetworkCache(update);
  80
  81         QosNetworkExtension updateQos = update.augmentation(QosNetworkExtension.class);
  82         QosNetworkExtension originalQos = original.augmentation(QosNetworkExtension.class);
  83         if (originalQos == null && updateQos != null) {
  84             // qosservice policy add
  85             qosNeutronUtils.addToQosNetworksCache(updateQos.getQosPolicyId(), update);
  86             qosNeutronUtils.handleNeutronNetworkQosUpdate(update, updateQos.getQosPolicyId());
  87         } else if (originalQos != null && updateQos != null
  88                 && !Objects.equals(originalQos.getQosPolicyId(), updateQos.getQosPolicyId())) {
  89             // qosservice policy update
  90             qosNeutronUtils.removeFromQosNetworksCache(originalQos.getQosPolicyId(), original);
  91             qosNeutronUtils.addToQosNetworksCache(updateQos.getQosPolicyId(), update);
  92             qosNeutronUtils.handleNeutronNetworkQosUpdate(update, updateQos.getQosPolicyId());
  93         } else if (originalQos != null && updateQos == null) {
  94             // qosservice policy delete
  95             qosNeutronUtils.handleNeutronNetworkQosRemove(original, originalQos.getQosPolicyId());
  96             qosNeutronUtils.removeFromQosNetworksCache(originalQos.getQosPolicyId(), original);
  97         }
  98     }
  99
 100     @Override
 101     public void add(InstanceIdentifier<Network> instanceIdentifier, Network network) {
 102         qosNeutronUtils.addToNetworkCache(network);
 103
 104         QosNetworkExtension networkQos = network.augmentation(QosNetworkExtension.class);
 105         if (networkQos != null) {
 106             qosNeutronUtils.addToQosNetworksCache(networkQos.getQosPolicyId(), network);
 107             qosNeutronUtils.handleNeutronNetworkQosUpdate(network, networkQos.getQosPolicyId());
 108         }
 109     }
 110 }
 111