vpnservice/elanmanager/elanmanager-impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanInterfaceStateClusteredListener.java

   1 /*
   2  * Copyright (c) 2016 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 package org.opendaylight.netvirt.elan.internal;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataChangeListener;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  13 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  16 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  17 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataChangeListenerBase;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public class ElanInterfaceStateClusteredListener extends
  27     AsyncClusteredDataChangeListenerBase<Interface, ElanInterfaceStateClusteredListener> implements AutoCloseable {
  28
  29     private static final Logger logger = LoggerFactory.getLogger(ElanInterfaceStateClusteredListener.class);
  30
  31     private final DataBroker broker;
  32     private final ElanInterfaceManager elanInterfaceManager;
  33     private final ElanUtils elanUtils;
  34     private final EntityOwnershipService entityOwnershipService;
  35
  36     public ElanInterfaceStateClusteredListener(DataBroker broker, ElanInterfaceManager elanInterfaceManager,
  37                                                ElanUtils elanUtils, EntityOwnershipService entityOwnershipService) {
  38         super(Interface.class, ElanInterfaceStateClusteredListener.class);
  39         this.broker = broker;
  40         this.elanInterfaceManager = elanInterfaceManager;
  41         this.elanUtils = elanUtils;
  42         this.entityOwnershipService = entityOwnershipService;
  43     }
  44
  45     public void init() {
  46         registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  47     }
  48
  49     @Override
  50     public InstanceIdentifier<Interface> getWildCardPath() {
  51         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
  52     }
  53
  54     @Override
  55     protected ClusteredDataChangeListener getDataChangeListener() {
  56         return ElanInterfaceStateClusteredListener.this;
  57     }
  58
  59     @Override
  60     protected AsyncDataBroker.DataChangeScope getDataChangeScope() {
  61         return AsyncDataBroker.DataChangeScope.BASE;
  62     }
  63
  64     @Override
  65     protected void remove(InstanceIdentifier<Interface> identifier, Interface delIf) {
  66     }
  67
  68     @Override
  69     protected void update(InstanceIdentifier<Interface> identifier, Interface original, final Interface update) {
  70         add(identifier, update);
  71     }
  72
  73     @Override
  74     protected void add(InstanceIdentifier<Interface> identifier, final Interface intrf) {
  75         if (intrf.getType() != null && intrf.getType().equals(Tunnel.class)) {
  76             if (intrf.getOperStatus().equals(Interface.OperStatus.Up)) {
  77                 final String interfaceName = intrf.getName();
  78
  79                 ElanClusterUtils.runOnlyInLeaderNode(entityOwnershipService, new Runnable() {
  80                     @Override
  81                     public void run() {
  82                         logger.debug("running external tunnel update job for interface {} added", interfaceName);
  83                         handleExternalTunnelUpdate(interfaceName, intrf);
  84                     }
  85                 });
  86             }
  87         }
  88     }
  89
  90     private void handleExternalTunnelUpdate(String interfaceName, Interface update) {
  91         ExternalTunnel externalTunnel = elanUtils.getExternalTunnel(interfaceName, LogicalDatastoreType.CONFIGURATION);
  92         if (externalTunnel != null) {
  93             logger.debug("handling external tunnel update event for ext device dst {}  src {} ",
  94                 externalTunnel.getDestinationDevice(), externalTunnel.getSourceDevice());
  95             elanInterfaceManager.handleExternalTunnelStateEvent(externalTunnel, update);
  96         } else {
  97             logger.trace("External tunnel not found with interfaceName: {}", interfaceName);
  98         }
  99     }
 100
 101 }