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 javax.annotation.PostConstruct;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  16 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  17 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.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 @Singleton
  27 public class ElanInterfaceStateClusteredListener extends
  28     AsyncClusteredDataTreeChangeListenerBase<Interface, ElanInterfaceStateClusteredListener> {
  29
  30     private static final Logger LOG = LoggerFactory.getLogger(ElanInterfaceStateClusteredListener.class);
  31
  32     private final DataBroker broker;
  33     private final ElanInterfaceManager elanInterfaceManager;
  34     private final ElanUtils elanUtils;
  35     private final ElanClusterUtils elanClusterUtils;
  36
  37     /* FIXME:
  38      * Why do we have ElanInterfaceStateChangeListener and ElanInterfaceStateClusteredListener
  39      * both within same module? Refactor this code into single listener.
  40      */
  41     @Inject
  42     public ElanInterfaceStateClusteredListener(DataBroker broker, ElanInterfaceManager elanInterfaceManager,
  43                                                ElanUtils elanUtils, ElanClusterUtils elanClusterUtils) {
  44         this.broker = broker;
  45         this.elanInterfaceManager = elanInterfaceManager;
  46         this.elanUtils = elanUtils;
  47         this.elanClusterUtils = elanClusterUtils;
  48     }
  49
  50     @PostConstruct
  51     public void init() {
  52         registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  53     }
  54
  55     @Override
  56     public InstanceIdentifier<Interface> getWildCardPath() {
  57         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
  58     }
  59
  60     @Override
  61     protected void remove(InstanceIdentifier<Interface> identifier, Interface delIf) {
  62     }
  63
  64     @Override
  65     protected void update(InstanceIdentifier<Interface> identifier, Interface original, final Interface update) {
  66         add(identifier, update);
  67     }
  68
  69     @Override
  70     protected void add(InstanceIdentifier<Interface> identifier, final Interface intrf) {
  71         if (intrf.getType() != null && intrf.getType().equals(Tunnel.class)) {
  72             if (Interface.OperStatus.Up.equals(intrf.getOperStatus())) {
  73                 final String interfaceName = intrf.getName();
  74
  75                 elanClusterUtils.runOnlyInOwnerNode("external tunnel update", () -> {
  76                     LOG.debug("running external tunnel update job for interface {} added", interfaceName);
  77                     handleExternalTunnelUpdate(interfaceName, intrf);
  78                 });
  79             }
  80         }
  81     }
  82
  83     private void handleExternalTunnelUpdate(String interfaceName, Interface update) {
  84         ExternalTunnel externalTunnel = elanUtils.getExternalTunnel(interfaceName, LogicalDatastoreType.CONFIGURATION);
  85         if (externalTunnel != null) {
  86             LOG.debug("handling external tunnel update event for ext device dst {}  src {} ",
  87                 externalTunnel.getDestinationDevice(), externalTunnel.getSourceDevice());
  88             elanInterfaceManager.handleExternalTunnelStateEvent(externalTunnel, update);
  89         } else {
  90             LOG.trace("External tunnel not found with interfaceName: {}", interfaceName);
  91         }
  92     }
  93
  94     /* (non-Javadoc)
  95      * @see org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase#getDataTreeChangeListener()
  96      */
  97     @Override
  98     protected ElanInterfaceStateClusteredListener getDataTreeChangeListener() {
  99         return this;
 100     }
 101
 102 }