elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/evpn/listeners/ElanMacEntryListener.java

   1 /*
   2  * Copyright © 2017 Ericsson India Global Services Pvt Ltd. 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
   9 package org.opendaylight.netvirt.elan.evpn.listeners;
  10
  11 import javax.annotation.PreDestroy;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.infrautils.utils.concurrent.Executors;
  15 import org.opendaylight.mdsal.binding.api.DataBroker;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  18 import org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils;
  19 import org.opendaylight.serviceutils.tools.listener.AbstractAsyncDataTreeChangeListener;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanForwardingTables;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.forwarding.tables.MacTable;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 @Singleton
  29 public class ElanMacEntryListener extends AbstractAsyncDataTreeChangeListener<MacEntry> {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(ElanMacEntryListener.class);
  32     private final DataBroker broker;
  33     private final EvpnUtils evpnUtils;
  34     private final ElanInstanceCache elanInstanceCache;
  35
  36     @Inject
  37     public ElanMacEntryListener(final DataBroker broker, final EvpnUtils evpnUtils,
  38             final ElanInstanceCache elanInstanceCache) {
  39         super(broker, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(ElanForwardingTables.class)
  40                 .child(MacTable.class).child(MacEntry.class),
  41                 Executors.newListeningSingleThreadExecutor("ElanMacEntryListener", LOG));
  42         this.broker = broker;
  43         this.evpnUtils = evpnUtils;
  44         this.elanInstanceCache = elanInstanceCache;
  45     }
  46
  47     public void init() {
  48         LOG.info("{} start", getClass().getSimpleName());
  49     }
  50
  51     @Override
  52     public void add(InstanceIdentifier<MacEntry> instanceIdentifier, MacEntry macEntry) {
  53         LOG.info("ElanMacEntryListener : ADD macEntry {} ", instanceIdentifier);
  54         String elanName = instanceIdentifier.firstKeyOf(MacTable.class).getElanInstanceName();
  55         ElanInstance elanInfo = elanInstanceCache.get(elanName).orElse(null);
  56         if (EvpnUtils.getEvpnNameFromElan(elanInfo) == null) {
  57             LOG.trace("ElanMacEntryListener : Add evpnName is null for elan {} ", elanInfo);
  58             return;
  59         }
  60         evpnUtils.advertisePrefix(elanInfo, macEntry);
  61     }
  62
  63     @Override
  64     public void remove(InstanceIdentifier<MacEntry> instanceIdentifier, MacEntry macEntry) {
  65         LOG.info("ElanMacEntryListener : remove macEntry {} ", instanceIdentifier);
  66         String elanName = instanceIdentifier.firstKeyOf(MacTable.class).getElanInstanceName();
  67         ElanInstance elanInfo = elanInstanceCache.get(elanName).orElse(null);
  68         if (EvpnUtils.getEvpnNameFromElan(elanInfo) == null) {
  69             LOG.trace("ElanMacEntryListener : Remove evpnName is null for elan {} ", elanInfo);
  70             return;
  71         }
  72         evpnUtils.withdrawPrefix(elanInfo, macEntry);
  73     }
  74
  75     @Override
  76     public void update(InstanceIdentifier<MacEntry> instanceIdentifier, MacEntry macEntry, MacEntry t1) {
  77     }
  78
  79     @Override
  80     @PreDestroy
  81     public void close() {
  82         super.close();
  83         Executors.shutdownAndAwaitTermination(getExecutorService());
  84     }
  85 }