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.PostConstruct;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  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.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.Networks;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.ext.rev160613.QosNetworkExtension;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 @Singleton
  29 public class QosNeutronNetworkChangeListener extends AsyncClusteredDataTreeChangeListenerBase<Network,
  30         QosNeutronNetworkChangeListener> implements RecoverableListener {
  31     private static final Logger LOG = LoggerFactory.getLogger(QosNeutronNetworkChangeListener.class);
  32     private final DataBroker dataBroker;
  33     private final QosNeutronUtils qosNeutronUtils;
  34
  35     @Inject
  36     public QosNeutronNetworkChangeListener(final DataBroker dataBroker,
  37                                            final QosNeutronUtils qosNeutronUtils,
  38                                            final ServiceRecoveryRegistry serviceRecoveryRegistry,
  39                                            final QosServiceRecoveryHandler qosServiceRecoveryHandler) {
  40         super(Network.class, QosNeutronNetworkChangeListener.class);
  41         this.dataBroker = dataBroker;
  42         this.qosNeutronUtils = qosNeutronUtils;
  43         serviceRecoveryRegistry.addRecoverableListener(qosServiceRecoveryHandler.buildServiceRegistryKey(),
  44                 this);
  45         LOG.trace("{} created",  getClass().getSimpleName());
  46     }
  47
  48     @PostConstruct
  49     public void init() {
  50         registerListener();
  51         LOG.trace("{} init and registerListener done", getClass().getSimpleName());
  52     }
  53
  54     @Override
  55     public void registerListener() {
  56         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  57     }
  58
  59     @Override
  60     protected InstanceIdentifier<Network> getWildCardPath() {
  61         return InstanceIdentifier.create(Neutron.class).child(Networks.class).child(Network.class);
  62     }
  63
  64     @Override
  65     protected QosNeutronNetworkChangeListener getDataTreeChangeListener() {
  66         return QosNeutronNetworkChangeListener.this;
  67     }
  68
  69     @Override
  70     protected void remove(InstanceIdentifier<Network> instanceIdentifier, Network network) {
  71         qosNeutronUtils.removeFromNetworkCache(network);
  72     }
  73
  74     @Override
  75     protected void update(InstanceIdentifier<Network> instanceIdentifier, Network original, Network update) {
  76         qosNeutronUtils.addToNetworkCache(update);
  77
  78         QosNetworkExtension updateQos = update.augmentation(QosNetworkExtension.class);
  79         QosNetworkExtension originalQos = original.augmentation(QosNetworkExtension.class);
  80         if (originalQos == null && updateQos != null) {
  81             // qosservice policy add
  82             qosNeutronUtils.addToQosNetworksCache(updateQos.getQosPolicyId(), update);
  83             qosNeutronUtils.handleNeutronNetworkQosUpdate(update, updateQos.getQosPolicyId());
  84         } else if (originalQos != null && updateQos != null
  85                 && !Objects.equals(originalQos.getQosPolicyId(), updateQos.getQosPolicyId())) {
  86             // qosservice policy update
  87             qosNeutronUtils.removeFromQosNetworksCache(originalQos.getQosPolicyId(), original);
  88             qosNeutronUtils.addToQosNetworksCache(updateQos.getQosPolicyId(), update);
  89             qosNeutronUtils.handleNeutronNetworkQosUpdate(update, updateQos.getQosPolicyId());
  90         } else if (originalQos != null && updateQos == null) {
  91             // qosservice policy delete
  92             qosNeutronUtils.handleNeutronNetworkQosRemove(original, originalQos.getQosPolicyId());
  93             qosNeutronUtils.removeFromQosNetworksCache(originalQos.getQosPolicyId(), original);
  94         }
  95     }
  96
  97     @Override
  98     protected void add(InstanceIdentifier<Network> instanceIdentifier, Network network) {
  99         qosNeutronUtils.addToNetworkCache(network);
 100
 101         QosNetworkExtension networkQos = network.augmentation(QosNetworkExtension.class);
 102         if (networkQos != null) {
 103             qosNeutronUtils.addToQosNetworksCache(networkQos.getQosPolicyId(), network);
 104             qosNeutronUtils.handleNeutronNetworkQosUpdate(network, networkQos.getQosPolicyId());
 105         }
 106     }
 107 }
 108