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.PreDestroy;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.opendaylight.infrautils.utils.concurrent.Executors;
  14 import org.opendaylight.mdsal.binding.api.DataBroker;
  15 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  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.serviceutils.tools.listener.AbstractAsyncDataTreeChangeListener;
  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.opendaylight.yangtools.yang.common.Uint64;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 @Singleton
  30 public class ElanDpnToTransportZoneListener
  31         extends AbstractAsyncDataTreeChangeListener<DpnInterfaces> {
  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,
  41             final ElanConfig elanConfig, final TransportZoneNotificationUtil tznu,
  42             final ElanInstanceCache elanInstanceCache) {
  43         super(dbx, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(ElanDpnInterfaces.class)
  44                 .child(ElanDpnInterfacesList.class).child(DpnInterfaces.class),
  45                 Executors.newListeningSingleThreadExecutor("ElanDpnToTransportZoneListener", LOG));
  46         useTransportZone = elanConfig.isAutoConfigTransportZones();
  47         transportZoneNotificationUtil = tznu;
  48         this.dbx = dbx;
  49         this.elanInstanceCache = elanInstanceCache;
  50         start();
  51     }
  52
  53     public void start() {
  54         if (useTransportZone) {
  55             LOG.info("{} registered", getClass().getSimpleName());
  56         }
  57     }
  58
  59     @Override
  60     public void remove(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  61         //Proceed only if "auto-config-transport-zones = TRUE"
  62         if (!useTransportZone) {
  63             return;
  64         }
  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).orElse(null))) {
  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     public void update(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModificationBefore,
  80             DpnInterfaces dataObjectModificationAfter) {
  81     }
  82
  83     @Override
  84     public void add(InstanceIdentifier<DpnInterfaces> key, DpnInterfaces dataObjectModification) {
  85         //Proceed only if "auto-config-transport-zones = TRUE"
  86         if (!useTransportZone) {
  87             return;
  88         }
  89         LOG.debug("Elan dpn {} add detected, updating transport zones", dataObjectModification.getDpId());
  90
  91         Uint64 dpId = dataObjectModification.getDpId();
  92         String elanInstanceName = key.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  93
  94         if (!ElanUtils.isVxlanNetworkOrVxlanSegment(elanInstanceCache.get(elanInstanceName).orElse(null))) {
  95             return;
  96         }
  97
  98         transportZoneNotificationUtil.updateTransportZone(elanInstanceName, dpId);
  99     }
 100
 101     @Override
 102     @PreDestroy
 103     public void close() {
 104         super.close();
 105         Executors.shutdownAndAwaitTermination(getExecutorService());
 106     }
 107 }