elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanInterfaceStateChangeListener.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 com.google.common.base.Optional;
  11 import java.math.BigInteger;
  12 import javax.annotation.PostConstruct;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  18 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  19 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  20 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  21 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  22 import org.opendaylight.netvirt.elan.cache.ElanInterfaceCache;
  23 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  24 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.L2vlan;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 @Singleton
  36 public class ElanInterfaceStateChangeListener
  37         extends AsyncDataTreeChangeListenerBase<Interface, ElanInterfaceStateChangeListener> {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(ElanInterfaceStateChangeListener.class);
  40
  41     private final DataBroker broker;
  42     private final ElanInterfaceManager elanInterfaceManager;
  43     private final JobCoordinator jobCoordinator;
  44     private final ElanInstanceCache elanInstanceCache;
  45     private final ElanInterfaceCache elanInterfaceCache;
  46
  47     @Inject
  48     public ElanInterfaceStateChangeListener(final DataBroker db, final ElanInterfaceManager ifManager,
  49             final JobCoordinator jobCoordinator, final ElanInstanceCache elanInstanceCache,
  50             final ElanInterfaceCache elanInterfaceCache) {
  51         super(Interface.class, ElanInterfaceStateChangeListener.class);
  52         broker = db;
  53         elanInterfaceManager = ifManager;
  54         this.jobCoordinator = jobCoordinator;
  55         this.elanInstanceCache = elanInstanceCache;
  56         this.elanInterfaceCache = elanInterfaceCache;
  57     }
  58
  59     @Override
  60     @PostConstruct
  61     public void init() {
  62         registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  63     }
  64
  65     @Override
  66     protected void remove(InstanceIdentifier<Interface> identifier, Interface delIf) {
  67         if (!L2vlan.class.equals(delIf.getType())) {
  68             return;
  69         }
  70         LOG.trace("Received interface {} Down event", delIf);
  71         String interfaceName =  delIf.getName();
  72         Optional<ElanInterface> elanInterface = elanInterfaceCache.get(interfaceName);
  73         if (!elanInterface.isPresent()) {
  74             LOG.debug("No Elan Interface is created for the interface:{} ", interfaceName);
  75             return;
  76         }
  77         NodeConnectorId nodeConnectorId = new NodeConnectorId(delIf.getLowerLayerIf().get(0));
  78         BigInteger dpId = BigInteger.valueOf(MDSALUtil.getDpnIdFromPortName(nodeConnectorId));
  79         InterfaceInfo interfaceInfo = new InterfaceInfo(dpId, nodeConnectorId.getValue());
  80         interfaceInfo.setInterfaceName(interfaceName);
  81         interfaceInfo.setInterfaceType(InterfaceInfo.InterfaceType.VLAN_INTERFACE);
  82         interfaceInfo.setInterfaceTag(delIf.getIfIndex());
  83         String elanInstanceName = elanInterface.get().getElanInstanceName();
  84         ElanInstance elanInstance = elanInstanceCache.get(elanInstanceName).orNull();
  85         if (elanInstance == null) {
  86             LOG.debug("No Elan instance is available for the interface:{} ", interfaceName);
  87             return;
  88         }
  89         InterfaceRemoveWorkerOnElan removeWorker = new InterfaceRemoveWorkerOnElan(elanInstanceName, elanInstance,
  90                 interfaceName, interfaceInfo, elanInterfaceManager);
  91         jobCoordinator.enqueueJob(elanInstanceName, removeWorker, ElanConstants.JOB_MAX_RETRIES);
  92     }
  93
  94     @Override
  95     protected void update(InstanceIdentifier<Interface> identifier, Interface original, Interface update) {
  96     }
  97
  98     @Override
  99     protected void add(InstanceIdentifier<Interface> identifier, Interface intrf) {
 100         if (!L2vlan.class.equals(intrf.getType())) {
 101             return;
 102         }
 103         LOG.trace("Received interface {} up event", intrf);
 104         String interfaceName =  intrf.getName();
 105         Optional<ElanInterface> elanInterface = elanInterfaceCache.get(interfaceName);
 106         if (!elanInterface.isPresent()) {
 107             return;
 108         }
 109         InstanceIdentifier<ElanInterface> elanInterfaceId = ElanUtils
 110                 .getElanInterfaceConfigurationDataPathId(interfaceName);
 111         elanInterfaceManager.add(elanInterfaceId, elanInterface.get());
 112     }
 113
 114     @Override
 115     protected InstanceIdentifier<Interface> getWildCardPath() {
 116         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
 117     }
 118
 119
 120     @Override
 121     protected ElanInterfaceStateChangeListener getDataTreeChangeListener() {
 122         return this;
 123     }
 124
 125 }