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

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