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.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  18 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  19 import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.IfmClusterUtils;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 import javax.inject.Inject;
  28 import javax.inject.Singleton;
  29
  30 @Singleton
  31 public class InterfaceStateListener
  32         extends AsyncClusteredDataTreeChangeListenerBase<Interface, InterfaceStateListener> {
  33     private static final Logger LOG = LoggerFactory.getLogger(InterfaceStateListener.class);
  34     private final DataBroker dataBroker;
  35
  36     @Inject
  37     public InterfaceStateListener(DataBroker dataBroker) {
  38         this.dataBroker = dataBroker;
  39         this.registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  40     }
  41
  42     @Override
  43     protected InstanceIdentifier<Interface> getWildCardPath() {
  44         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
  45     }
  46
  47     @Override
  48     protected void remove(InstanceIdentifier<Interface> key, Interface interfaceStateOld) {
  49         InterfaceManagerCommonUtils.removeFromInterfaceStateCache(interfaceStateOld);
  50         LOG.debug("Received interface state remove event for {}, ignoring", interfaceStateOld.getName());
  51     }
  52
  53     @Override
  54     protected void update(InstanceIdentifier<Interface> key, Interface interfaceStateOld, Interface interfaceStateNew) {
  55         InterfaceManagerCommonUtils.addInterfaceStateToCache(interfaceStateNew);
  56         LOG.debug("Received interface state update event for {},ignoring...", interfaceStateOld.getName());
  57     }
  58
  59     @Override
  60     protected void add(InstanceIdentifier<Interface> key, Interface interfaceStateNew) {
  61         InterfaceManagerCommonUtils.addInterfaceStateToCache(interfaceStateNew);
  62         if (!Tunnel.class.equals(interfaceStateNew.getType())
  63             || !IfmClusterUtils.isEntityOwner(IfmClusterUtils.INTERFACE_CONFIG_ENTITY)) {
  64             return;
  65         }
  66         LOG.debug("Received Tunnel state add event for {}", interfaceStateNew.getName());
  67         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  68         coordinator.enqueueJob(interfaceStateNew.getName(), () -> {
  69             final List<ListenableFuture<Void>> futures = new ArrayList<>();
  70             Interface.OperStatus bfdState = InterfaceManagerCommonUtils
  71                     .getBfdStateFromCache(interfaceStateNew.getName());
  72             if (bfdState != null && bfdState != interfaceStateNew.getOperStatus()
  73                     && interfaceStateNew.getOperStatus() != Interface.OperStatus.Unknown) {
  74                 // update opstate of interface if TEP has gone down/up as a
  75                 // result of BFD monitoring
  76                 LOG.debug("updating tunnel state for interface {}", interfaceStateNew.getName());
  77                 WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  78                 InterfaceManagerCommonUtils.updateOpState(transaction, interfaceStateNew.getName(), bfdState);
  79                 futures.add(transaction.submit());
  80             }
  81             return futures;
  82         });
  83     }
  84
  85     @Override
  86     protected InterfaceStateListener getDataTreeChangeListener() {
  87         return InterfaceStateListener.this;
  88     }
  89 }