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 java.util.ArrayList;
  12 import java.util.List;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  15 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  16 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  17 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  18 import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.IfmClusterUtils;
  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.yangtools.yang.binding.InstanceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public class InterfaceStateListener
  27         extends AsyncClusteredDataTreeChangeListenerBase<Interface, InterfaceStateListener> {
  28     private static final Logger LOG = LoggerFactory.getLogger(InterfaceStateListener.class);
  29     private final 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             || !IfmClusterUtils.isEntityOwner(IfmClusterUtils.INTERFACE_CONFIG_ENTITY)) {
  55             return;
  56         }
  57         IfmClusterUtils.runOnlyInLeaderNode(() -> {
  58             LOG.debug("Received Tunnel state add event for {}", interfaceStateNew.getName());
  59             DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  60             coordinator.enqueueJob(interfaceStateNew.getName(), () -> {
  61                 final List<ListenableFuture<Void>> futures = new ArrayList<>();
  62                 Interface.OperStatus bfdState = InterfaceManagerCommonUtils
  63                         .getBfdStateFromCache(interfaceStateNew.getName());
  64                 if (bfdState != null && bfdState != interfaceStateNew.getOperStatus()
  65                         && interfaceStateNew.getOperStatus() != Interface.OperStatus.Unknown) {
  66                     // update opstate of interface if TEP has gone down/up as a
  67                     // result of BFD monitoring
  68                     LOG.debug("updating tunnel state for interface {} as {}", interfaceStateNew.getName(), bfdState);
  69                     WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  70                     InterfaceManagerCommonUtils.updateOpState(transaction, interfaceStateNew.getName(), bfdState);
  71                     futures.add(transaction.submit());
  72                 }
  73                 return futures;
  74             });
  75         }, IfmClusterUtils.INTERFACE_CONFIG_ENTITY);
  76     }
  77
  78     @Override
  79     protected InterfaceStateListener getDataTreeChangeListener() {
  80         return InterfaceStateListener.this;
  81     }
  82 }