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.PreDestroy;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.opendaylight.infrautils.utils.concurrent.Executors;
  14 import org.opendaylight.mdsal.binding.api.DataBroker;
  15 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  16 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  17 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  18 import org.opendaylight.serviceutils.tools.listener.AbstractClusteredAsyncDataTreeChangeListener;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.Tunnel;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 @Singleton
  28 public class ElanInterfaceStateClusteredListener extends
  29         AbstractClusteredAsyncDataTreeChangeListener<Interface> {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(ElanInterfaceStateClusteredListener.class);
  32
  33     private final DataBroker broker;
  34     private final ElanInterfaceManager elanInterfaceManager;
  35     private final ElanUtils elanUtils;
  36     private final ElanClusterUtils elanClusterUtils;
  37
  38     /* FIXME:
  39      * Why do we have ElanInterfaceStateChangeListener and ElanInterfaceStateClusteredListener
  40      * both within same module? Refactor this code into single listener.
  41      */
  42     @Inject
  43     public ElanInterfaceStateClusteredListener(DataBroker broker, ElanInterfaceManager elanInterfaceManager,
  44                                                ElanUtils elanUtils, ElanClusterUtils elanClusterUtils) {
  45         super(broker, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(InterfacesState.class)
  46                 .child(Interface.class),
  47                 Executors.newListeningSingleThreadExecutor("ElanInterfaceStateClusteredListener", LOG));
  48         this.broker = broker;
  49         this.elanInterfaceManager = elanInterfaceManager;
  50         this.elanUtils = elanUtils;
  51         this.elanClusterUtils = elanClusterUtils;
  52     }
  53
  54     public void init() {
  55         LOG.info("{} registered", getClass().getSimpleName());
  56     }
  57
  58     @Override
  59     @PreDestroy
  60     public void close() {
  61         super.close();
  62         Executors.shutdownAndAwaitTermination(getExecutorService());
  63     }
  64
  65     @Override
  66     public void remove(InstanceIdentifier<Interface> identifier, Interface delIf) {
  67     }
  68
  69     @Override
  70     public void update(InstanceIdentifier<Interface> identifier, Interface original, final Interface update) {
  71         add(identifier, update);
  72     }
  73
  74     @Override
  75     public void add(InstanceIdentifier<Interface> identifier, final Interface intrf) {
  76         if (intrf.getType() != null && intrf.getType().equals(Tunnel.class)) {
  77             if (Interface.OperStatus.Up.equals(intrf.getOperStatus())) {
  78                 final String interfaceName = intrf.getName();
  79
  80                 elanClusterUtils.runOnlyInOwnerNode("external tunnel update", () -> {
  81                     LOG.debug("running external tunnel update job for interface {} added", interfaceName);
  82                     handleExternalTunnelUpdate(interfaceName, intrf);
  83                 });
  84             }
  85         }
  86     }
  87
  88     private void handleExternalTunnelUpdate(String interfaceName, Interface update) {
  89         ExternalTunnel externalTunnel = elanUtils.getExternalTunnel(interfaceName, LogicalDatastoreType.CONFIGURATION);
  90         if (externalTunnel != null) {
  91             LOG.debug("handling external tunnel update event for ext device dst {}  src {} ",
  92                 externalTunnel.getDestinationDevice(), externalTunnel.getSourceDevice());
  93             elanInterfaceManager.handleExternalTunnelStateEvent(externalTunnel, update);
  94         } else {
  95             LOG.trace("External tunnel not found with interfaceName: {}", interfaceName);
  96         }
  97     }
  98
  99     /* (non-Javadoc)
 100      * @see org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase#getDataTreeChangeListener()
 101      */
 102 }