elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/ha/listeners/ManagerListener.java

   1 /*
   2  * Copyright (c) 2018 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.l2gw.ha.listeners;
   9
  10 import java.util.Arrays;
  11 import javax.annotation.PreDestroy;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.genius.utils.hwvtep.HwvtepNodeHACache;
  15 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundUtils;
  16 import org.opendaylight.infrautils.utils.concurrent.Executors;
  17 import org.opendaylight.mdsal.binding.api.DataBroker;
  18 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  19 import org.opendaylight.netvirt.elan.l2gw.ha.HwvtepHAUtil;
  20 import org.opendaylight.serviceutils.tools.listener.AbstractClusteredAsyncDataTreeChangeListener;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Managers;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 @Singleton
  29 public final class ManagerListener extends AbstractClusteredAsyncDataTreeChangeListener<Managers> {
  30
  31     private static final Logger LOG = LoggerFactory.getLogger(ManagerListener.class);
  32
  33     private final DataBroker dataBroker;
  34     private final HwvtepNodeHACache hwvtepNodeHACache;
  35
  36     @Inject
  37     public ManagerListener(DataBroker dataBroker, HwvtepNodeHACache hwvtepNodeHACache) {
  38         super(dataBroker, LogicalDatastoreType.CONFIGURATION,
  39                 HwvtepSouthboundUtils.createHwvtepTopologyInstanceIdentifier().child(Node.class)
  40                         .augmentation(HwvtepGlobalAugmentation.class).child(Managers.class),
  41                 Executors.newListeningSingleThreadExecutor("ManagerListener", LOG));
  42         this.dataBroker = dataBroker;
  43         this.hwvtepNodeHACache = hwvtepNodeHACache;
  44     }
  45
  46     public void init() {
  47         LOG.info("{} init", getClass().getSimpleName());
  48     }
  49
  50     @Override
  51     @PreDestroy
  52     public void close() {
  53         super.close();
  54         Executors.shutdownAndAwaitTermination(getExecutorService());
  55     }
  56
  57     @Override
  58     public void remove(InstanceIdentifier<Managers> key, Managers managers) {
  59     }
  60
  61     @Override
  62     public void update(InstanceIdentifier<Managers> key, Managers before, Managers after) {
  63     }
  64
  65     @Override
  66     public void add(InstanceIdentifier<Managers> key, Managers managers) {
  67         InstanceIdentifier<Node> parent = key.firstIdentifierOf(Node.class);
  68         if (managers.key().getTarget().getValue().contains(HwvtepHAUtil.MANAGER_KEY)
  69                 && managers.getManagerOtherConfigs() != null) {
  70             managers.nonnullManagerOtherConfigs().values().stream()
  71                 .filter(otherConfig -> otherConfig.key().getOtherConfigKey().contains(HwvtepHAUtil.HA_CHILDREN))
  72                 .flatMap(otherConfig -> Arrays.stream(otherConfig.getOtherConfigValue().split(",")))
  73                 .map(HwvtepHAUtil::convertToInstanceIdentifier)
  74                 .forEach(childIid -> hwvtepNodeHACache.addChild(parent, childIid));
  75         }
  76     }
  77 }