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.cache.ElanInstanceCache;
  19 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  20 import org.opendaylight.netvirt.elan.utils.TransportZoneNotificationUtil;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.config.rev150710.ElanConfig;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 @Singleton
  30 public class ElanDpnToTransportZoneListener
  31         extends AsyncDataTreeChangeListenerBase<DpnInterfaces, ElanDpnToTransportZoneListener> {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(ElanDpnToTransportZoneListener.class);
  34     private final TransportZoneNotificationUtil transportZoneNotificationUtil;
  35     private final DataBroker dbx;
  36     private final Boolean useTransportZone;
  37     private final ElanInstanceCache elanInstanceCache;
  38
  39     @Inject
  40     public ElanDpnToTransportZoneListener(final DataBroker dbx, final IInterfaceManager interfaceManager,
  41             final ElanConfig elanConfig, final TransportZoneNotificationUtil tznu,
  42             final ElanInstanceCache elanInstanceCache) {
  43         useTransportZone = elanConfig.isAutoConfigTransportZones();
  44         transportZoneNotificationUtil = tznu;
  45         this.dbx = dbx;
  46         this.elanInstanceCache = elanInstanceCache;
  47     }
  48
  49     @PostConstruct
  50     public void start() {
  51         LOG.info("{} start", getClass().getSimpleName());
  52
  53         if (useTransportZone) {
  54             registerListener(LogicalDatastoreType.OPERATIONAL, dbx);
  55         }
  56     }
  57
  58     @Override
  59     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  60         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  61                 .child(DpnInterfaces.class).build();
  62     }
  63
  64     @Override
  65     protected void remove(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  66         LOG.debug("Elan dpn {} delete detected, deleting transport zones", dataObjectModification.getDpId());
  67         BigInteger dpId = dataObjectModification.getDpId();
  68         String elanInstanceName = key.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  69
  70         if (!ElanUtils.isVxlanNetworkOrVxlanSegment(elanInstanceCache.get(elanInstanceName).orNull())) {
  71             LOG.debug("ElanInstance {} is not vxlan network, nothing to do", elanInstanceName);
  72             return;
  73         }
  74         LOG.debug("Deleting tz for elanInstance {} dpId {}", elanInstanceName, dpId);
  75         transportZoneNotificationUtil.deleteTransportZone(elanInstanceName, dpId);
  76
  77     }
  78
  79     @Override
  80     protected void update(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModificationBefore,
  81             DpnInterfaces dataObjectModificationAfter) {
  82     }
  83
  84     @Override
  85     protected void add(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  86         LOG.debug("Elan dpn {} add detected, updating transport zones", dataObjectModification.getDpId());
  87
  88         BigInteger dpId = dataObjectModification.getDpId();
  89         String elanInstanceName = key.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  90
  91         if (!ElanUtils.isVxlanNetworkOrVxlanSegment(elanInstanceCache.get(elanInstanceName).orNull())) {
  92             return;
  93         }
  94
  95         transportZoneNotificationUtil.updateTransportZone(elanInstanceName, dpId);
  96     }
  97
  98     @Override
  99     protected ElanDpnToTransportZoneListener getDataTreeChangeListener() {
 100         return ElanDpnToTransportZoneListener.this;
 101     }
 102 }