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.ElanException;
  17 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  18 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.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     AsyncClusteredDataTreeChangeListenerBase<Interface, ElanInterfaceStateClusteredListener> {
  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         this.broker = broker;
  46         this.elanInterfaceManager = elanInterfaceManager;
  47         this.elanUtils = elanUtils;
  48         this.elanClusterUtils = elanClusterUtils;
  49     }
  50
  51     @PostConstruct
  52     public void init() {
  53         registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  54     }
  55
  56     @Override
  57     public InstanceIdentifier<Interface> getWildCardPath() {
  58         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
  59     }
  60
  61     @Override
  62     protected void remove(InstanceIdentifier<Interface> identifier, Interface delIf) {
  63     }
  64
  65     @Override
  66     protected void update(InstanceIdentifier<Interface> identifier, Interface original, final Interface update) {
  67         add(identifier, update);
  68     }
  69
  70     @Override
  71     protected void add(InstanceIdentifier<Interface> identifier, final Interface intrf) {
  72         if (intrf.getType() != null && intrf.getType().equals(Tunnel.class)) {
  73             if (intrf.getOperStatus().equals(Interface.OperStatus.Up)) {
  74                 final String interfaceName = intrf.getName();
  75
  76                 elanClusterUtils.runOnlyInOwnerNode("external tunnel update", () -> {
  77                     LOG.debug("running external tunnel update job for interface {} added", interfaceName);
  78                     try {
  79                         handleExternalTunnelUpdate(interfaceName, intrf);
  80                     } catch (ElanException e) {
  81                         LOG.error("Failed to add Interface {}", identifier.toString());
  82                     }
  83                 });
  84             }
  85         }
  86     }
  87
  88     private void handleExternalTunnelUpdate(String interfaceName, Interface update) throws ElanException {
  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     @Override
 103     protected ElanInterfaceStateClusteredListener getDataTreeChangeListener() {
 104         return this;
 105     }
 106
 107 }