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

   1 /*
   2  * Copyright (c) 2017 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 java.math.BigInteger;
  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.AsyncDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  18 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  19 import org.opendaylight.netvirt.elan.utils.TransportZoneNotificationUtil;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.config.rev150710.ElanConfig;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  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
  37     @Inject
  38     public ElanDpnToTransportZoneListener(final DataBroker dbx, final IInterfaceManager interfaceManager,
  39             final ElanConfig elanConfig, final TransportZoneNotificationUtil tznu) {
  40         useTransportZone = elanConfig.isAutoConfigTransportZones();
  41         transportZoneNotificationUtil = tznu;
  42         this.dbx = dbx;
  43     }
  44
  45     @PostConstruct
  46     public void start() {
  47         LOG.info("{} start", getClass().getSimpleName());
  48
  49         if (useTransportZone) {
  50             registerListener(LogicalDatastoreType.OPERATIONAL, dbx);
  51         }
  52     }
  53
  54     @Override
  55     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  56         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  57                 .child(DpnInterfaces.class).build();
  58     }
  59
  60     @Override
  61     protected void remove(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  62         LOG.debug("Elan dpn {} delete detected, deleting transport zones", dataObjectModification.getDpId());
  63         BigInteger dpId = dataObjectModification.getDpId();
  64         String elanInstanceName = key.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  65
  66         if (!ElanUtils.isVxlanNetwork(dbx, elanInstanceName)) {
  67             LOG.debug("ElanInstance {} is not vxlan network, nothing to do", elanInstanceName);
  68             return;
  69         }
  70         LOG.debug("Deleting tz for elanInstance {} dpId {}", elanInstanceName, dpId);
  71         transportZoneNotificationUtil.deleteTransportZone(elanInstanceName, dpId);
  72
  73     }
  74
  75     @Override
  76     protected void update(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModificationBefore,
  77             DpnInterfaces dataObjectModificationAfter) {
  78     }
  79
  80     @Override
  81     protected void add(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  82         LOG.debug("Elan dpn {} add detected, updating transport zones", dataObjectModification.getDpId());
  83
  84         BigInteger dpId = dataObjectModification.getDpId();
  85         String elanInstanceName = key.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  86
  87         if (!ElanUtils.isVxlanNetwork(dbx, elanInstanceName)) {
  88             return;
  89         }
  90
  91         transportZoneNotificationUtil.updateTransportZone(elanInstanceName, dpId);
  92     }
  93
  94     @Override
  95     protected ElanDpnToTransportZoneListener getDataTreeChangeListener() {
  96         return ElanDpnToTransportZoneListener.this;
  97     }
  98 }