elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanDpnToTransportZoneListener.java

   1 /*
   2  * Copyright (c) 2017, 2019 HPE 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.elan.internal;
   9
  10 import javax.annotation.PostConstruct;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  16 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  17 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  18 import org.opendaylight.netvirt.elan.utils.TransportZoneNotificationUtil;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.config.rev150710.ElanConfig;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.opendaylight.yangtools.yang.common.Uint64;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 @Singleton
  29 public class ElanDpnToTransportZoneListener
  30         extends AsyncDataTreeChangeListenerBase<DpnInterfaces, ElanDpnToTransportZoneListener> {
  31
  32     private static final Logger LOG = LoggerFactory.getLogger(ElanDpnToTransportZoneListener.class);
  33     private final TransportZoneNotificationUtil transportZoneNotificationUtil;
  34     private final DataBroker dbx;
  35     private final Boolean useTransportZone;
  36     private final ElanInstanceCache elanInstanceCache;
  37
  38     @Inject
  39     public ElanDpnToTransportZoneListener(final DataBroker dbx,
  40             final ElanConfig elanConfig, final TransportZoneNotificationUtil tznu,
  41             final ElanInstanceCache elanInstanceCache) {
  42         useTransportZone = elanConfig.isAutoConfigTransportZones();
  43         transportZoneNotificationUtil = tznu;
  44         this.dbx = dbx;
  45         this.elanInstanceCache = elanInstanceCache;
  46     }
  47
  48     @PostConstruct
  49     public void start() {
  50
  51         if (useTransportZone) {
  52             registerListener(LogicalDatastoreType.OPERATIONAL, dbx);
  53             LOG.info("{} registered", getClass().getSimpleName());
  54         }
  55     }
  56
  57     @Override
  58     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  59         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  60                 .child(DpnInterfaces.class).build();
  61     }
  62
  63     @Override
  64     protected void remove(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  65         LOG.debug("Elan dpn {} delete detected, deleting transport zones", dataObjectModification.getDpId());
  66         Uint64 dpId = dataObjectModification.getDpId();
  67         String elanInstanceName = key.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  68
  69         if (!ElanUtils.isVxlanNetworkOrVxlanSegment(elanInstanceCache.get(elanInstanceName).orNull())) {
  70             LOG.debug("ElanInstance {} is not vxlan network, nothing to do", elanInstanceName);
  71             return;
  72         }
  73         LOG.debug("Deleting tz for elanInstance {} dpId {}", elanInstanceName, dpId);
  74         transportZoneNotificationUtil.deleteTransportZone(elanInstanceName, dpId);
  75
  76     }
  77
  78     @Override
  79     protected void update(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModificationBefore,
  80             DpnInterfaces dataObjectModificationAfter) {
  81     }
  82
  83     @Override
  84     protected void add(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  85         LOG.debug("Elan dpn {} add detected, updating transport zones", dataObjectModification.getDpId());
  86
  87         Uint64 dpId = dataObjectModification.getDpId();
  88         String elanInstanceName = key.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  89
  90         if (!ElanUtils.isVxlanNetworkOrVxlanSegment(elanInstanceCache.get(elanInstanceName).orNull())) {
  91             return;
  92         }
  93
  94         transportZoneNotificationUtil.updateTransportZone(elanInstanceName, dpId);
  95     }
  96
  97     @Override
  98     protected ElanDpnToTransportZoneListener getDataTreeChangeListener() {
  99         return ElanDpnToTransportZoneListener.this;
 100     }
 101 }