interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/listeners/InterfaceStateListener.java

   1 /*
   2  * Copyright (c) 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.genius.interfacemanager.listeners;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  13 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  14 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  15 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  16 import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.IfmClusterUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import java.util.ArrayList;
  25 import java.util.List;
  26
  27 public class InterfaceStateListener extends AsyncClusteredDataTreeChangeListenerBase<Interface, InterfaceStateListener> {
  28     private static final Logger LOG = LoggerFactory.getLogger(InterfaceStateListener.class);
  29     private DataBroker dataBroker;
  30
  31     public InterfaceStateListener(DataBroker dataBroker) {
  32         super(Interface.class, InterfaceStateListener.class);
  33         this.dataBroker = dataBroker;
  34     }
  35
  36     @Override
  37     protected InstanceIdentifier<Interface> getWildCardPath() {
  38         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
  39     }
  40
  41     @Override
  42     protected void remove(InstanceIdentifier<Interface> key, Interface interfaceStateOld) {
  43         LOG.debug("Received interface state remove event for {}, ignoring", interfaceStateOld.getName());
  44     }
  45
  46     @Override
  47     protected void update(InstanceIdentifier<Interface> key, Interface interfaceStateOld, Interface interfaceStateNew) {
  48         LOG.debug("Received interface state update event for {},ignoring...", interfaceStateOld.getName());
  49     }
  50
  51     @Override
  52     protected void add(InstanceIdentifier<Interface> key, Interface interfaceStateNew) {
  53         if(!Tunnel.class.equals(interfaceStateNew.getType())){
  54             return;
  55         }
  56         IfmClusterUtils.runOnlyInLeaderNode(() -> {
  57             LOG.debug("Received Tunnel state add event for {}", interfaceStateNew.getName());
  58             DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  59             coordinator.enqueueJob(interfaceStateNew.getName(), () -> {
  60                 final List<ListenableFuture<Void>> futures = new ArrayList<>();
  61                 Interface.OperStatus bfdState = InterfaceManagerCommonUtils.getBfdStateFromCache(interfaceStateNew.getName());
  62                 if (bfdState != null && bfdState != interfaceStateNew.getOperStatus() &&
  63                         interfaceStateNew.getOperStatus() != Interface.OperStatus.Unknown) {
  64                     // update opstate of interface if TEP has gone down/up as a result of BFD monitoring
  65                     LOG.debug("updating tunnel state for interface {}", interfaceStateNew.getName());
  66                     WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  67                     InterfaceManagerCommonUtils.updateOpState(transaction, interfaceStateNew.getName(), bfdState);
  68                     futures.add(transaction.submit());
  69                 }
  70                 return futures;
  71             });
  72         });
  73     }
  74
  75     @Override
  76     protected InterfaceStateListener getDataTreeChangeListener() {
  77         return InterfaceStateListener.this;
  78     }
  79 }