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

   1 /*
   2  * Copyright (c) 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.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.mdsalutil.interfaces.IMdsalApiManager;
  18 import org.opendaylight.netvirt.elan.evpn.utils.EvpnMacVrfUtils;
  19 import org.opendaylight.netvirt.elan.evpn.utils.EvpnUtils;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.EvpnAugmentation;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27
  28
  29 @Singleton
  30 public class EvpnElanInstanceListener extends AsyncDataTreeChangeListenerBase<ElanInstance, EvpnElanInstanceListener> {
  31     private static final Logger LOG = LoggerFactory.getLogger(EvpnElanInstanceListener.class);
  32     private final DataBroker broker;
  33     private final EvpnUtils evpnUtils;
  34     private final EvpnMacVrfUtils evpnMacVrfUtils;
  35     private final IMdsalApiManager mdsalManager;
  36
  37
  38     @Inject
  39     public EvpnElanInstanceListener(final DataBroker dataBroker, final EvpnUtils evpnUtils,
  40                                     EvpnMacVrfUtils evpnMacVrfUtils, IMdsalApiManager mdsalApiManager) {
  41         super(ElanInstance.class, EvpnElanInstanceListener.class);
  42         this.broker = dataBroker;
  43         this.evpnUtils = evpnUtils;
  44         this.evpnMacVrfUtils = evpnMacVrfUtils;
  45         this.mdsalManager = mdsalApiManager;
  46     }
  47
  48     @Override
  49     @PostConstruct
  50     public void init() {
  51         registerListener(LogicalDatastoreType.CONFIGURATION, broker);
  52     }
  53
  54     @Override
  55     protected InstanceIdentifier<ElanInstance> getWildCardPath() {
  56         return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class).build();
  57     }
  58
  59     @Override
  60     protected void add(InstanceIdentifier<ElanInstance> instanceIdentifier, ElanInstance evpnAugmentation) {
  61     }
  62
  63     @Override
  64     protected void remove(InstanceIdentifier<ElanInstance> instanceIdentifier, ElanInstance evpnAugmentation) {
  65     }
  66
  67     @Override
  68     protected void update(InstanceIdentifier<ElanInstance> instanceIdentifier, ElanInstance original,
  69                           ElanInstance update) {
  70         String elanName = update.getElanInstanceName();
  71         if (evpnUtils.isWithdrawEvpnRT2Routes(original, update)) {
  72             evpnUtils.withdrawEvpnRT2Routes(original.getAugmentation(EvpnAugmentation.class), elanName);
  73             evpnMacVrfUtils.updateEvpnDmacFlows(original, false);
  74             evpnUtils.programEvpnL2vniDemuxTable(elanName,
  75                 (elan, interfaceName) -> evpnUtils.bindElanServiceToExternalTunnel(elanName, interfaceName),
  76                     mdsalManager::installFlow);
  77         } else if (evpnUtils.isAdvertiseEvpnRT2Routes(original, update)) {
  78             evpnUtils.advertiseEvpnRT2Routes(update.getAugmentation(EvpnAugmentation.class), elanName);
  79             evpnMacVrfUtils.updateEvpnDmacFlows(update, true);
  80             evpnUtils.programEvpnL2vniDemuxTable(elanName,
  81                 (elan, interfaceName) -> evpnUtils.unbindElanServiceFromExternalTunnel(elanName, interfaceName),
  82                     mdsalManager::removeFlow);
  83         }
  84     }
  85
  86     @Override
  87     protected EvpnElanInstanceListener getDataTreeChangeListener() {
  88         return this;
  89     }
  90
  91 }