vpnservice/elanmanager/elanmanager-impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanInterfaceStateChangeListener.java

   1 /*
   2  * Copyright (c) 2016 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
  11 import java.math.BigInteger;
  12 import java.util.List;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  15 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  16 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  17 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  18 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  21 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.Tunnel;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.TunnelList;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnel.list.InternalTunnel;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class ElanInterfaceStateChangeListener extends AsyncDataTreeChangeListenerBase<Interface,ElanInterfaceStateChangeListener> implements AutoCloseable {
  35
  36     private static final Logger logger = LoggerFactory.getLogger(ElanInterfaceStateChangeListener.class);
  37
  38     private final DataBroker broker;
  39     private final ElanInterfaceManager elanInterfaceManager;
  40     private final IInterfaceManager interfaceManager;
  41     private final ElanUtils elanUtils;
  42
  43     public ElanInterfaceStateChangeListener(final DataBroker db, final ElanInterfaceManager ifManager,
  44                                             final IInterfaceManager interfaceManager, ElanUtils elanUtils) {
  45         super(Interface.class, ElanInterfaceStateChangeListener.class);
  46         broker = db;
  47         elanInterfaceManager = ifManager;
  48         this.interfaceManager = interfaceManager;
  49         this.elanUtils = elanUtils;
  50     }
  51
  52     public void init() {
  53         registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  54     }
  55
  56     @Override
  57     protected void remove(InstanceIdentifier<Interface> identifier, Interface delIf) {
  58         logger.trace("Received interface {} Down event", delIf);
  59         String interfaceName =  delIf.getName();
  60         ElanInterface elanInterface = elanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
  61         if (elanInterface == null) {
  62             logger.debug("No Elan Interface is created for the interface:{} ", interfaceName);
  63             return;
  64         }
  65         NodeConnectorId nodeConnectorId = new NodeConnectorId(delIf.getLowerLayerIf().get(0));
  66         BigInteger dpId = BigInteger.valueOf(MDSALUtil.getDpnIdFromPortName(nodeConnectorId));
  67         InterfaceInfo interfaceInfo = new InterfaceInfo(dpId, nodeConnectorId.getValue());
  68         interfaceInfo.setInterfaceName(interfaceName);
  69         interfaceInfo.setInterfaceType(InterfaceInfo.InterfaceType.VLAN_INTERFACE);
  70         interfaceInfo.setInterfaceTag(delIf.getIfIndex());
  71         String elanInstanceName = elanInterface.getElanInstanceName();
  72         ElanInstance elanInstance = elanUtils.getElanInstanceByName(elanInstanceName);
  73         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  74         InterfaceRemoveWorkerOnElan removeWorker = new InterfaceRemoveWorkerOnElan(elanInstanceName, elanInstance,
  75             interfaceName, interfaceInfo, true, elanInterfaceManager);
  76         coordinator.enqueueJob(elanInstanceName, removeWorker, ElanConstants.JOB_MAX_RETRIES);
  77     }
  78
  79     @Override
  80     protected void update(InstanceIdentifier<Interface> identifier, Interface original, Interface update) {
  81         logger.trace("Operation Interface update event - Old: {}, New: {}", original, update);
  82         String interfaceName = update.getName();
  83         if (update.getType() == null) {
  84             logger.trace("Interface type for interface {} is null", interfaceName);
  85             return;
  86         }
  87         if (update.getType().equals(Tunnel.class)) {
  88             if (!original.getOperStatus().equals(Interface.OperStatus.Unknown) && !update.getOperStatus().equals(Interface.OperStatus.Unknown)){
  89                 if (update.getOperStatus().equals(Interface.OperStatus.Up)) {
  90                     InternalTunnel internalTunnel = getTunnelState(interfaceName);
  91                     if (internalTunnel != null) {
  92                         elanInterfaceManager.handleInternalTunnelStateEvent(internalTunnel.getSourceDPN(), internalTunnel.getDestinationDPN());
  93                     }
  94                 }
  95             }
  96         }
  97     }
  98
  99     @Override
 100     protected void add(InstanceIdentifier<Interface> identifier, Interface intrf) {
 101         logger.trace("Received interface {} up event", intrf);
 102         String interfaceName =  intrf.getName();
 103         ElanInterface elanInterface = elanUtils.getElanInterfaceByElanInterfaceName(interfaceName);
 104         if (elanInterface == null) {
 105             if (intrf.getType() != null && intrf.getType().equals(Tunnel.class)) {
 106                 if (intrf.getOperStatus().equals(Interface.OperStatus.Up)) {
 107                     InternalTunnel internalTunnel = getTunnelState(interfaceName);
 108                     if (internalTunnel != null) {
 109                         elanInterfaceManager.handleInternalTunnelStateEvent(internalTunnel.getSourceDPN(),
 110                             internalTunnel.getDestinationDPN());
 111                     }
 112                 }
 113             }
 114             return;
 115         }
 116         InstanceIdentifier<ElanInterface> elanInterfaceId = ElanUtils.getElanInterfaceConfigurationDataPathId(interfaceName);
 117         elanInterfaceManager.add(elanInterfaceId, elanInterface);
 118     }
 119
 120     @Override
 121     public void close() throws Exception {
 122
 123     }
 124
 125     public  InternalTunnel getTunnelState(String interfaceName) {
 126         InternalTunnel internalTunnel = null;
 127         TunnelList tunnelList = elanUtils.buildInternalTunnel(broker);
 128         if (tunnelList != null && tunnelList.getInternalTunnel() != null) {
 129             List<InternalTunnel> internalTunnels = tunnelList.getInternalTunnel();
 130             for (InternalTunnel tunnel : internalTunnels) {
 131                 if (tunnel.getTunnelInterfaceName().equalsIgnoreCase(interfaceName)) {
 132                     internalTunnel = tunnel;
 133                     break;
 134                 }
 135             }
 136         }
 137         return internalTunnel;
 138     }
 139     @Override
 140     protected InstanceIdentifier<Interface> getWildCardPath() {
 141         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
 142     }
 143
 144
 145     @Override
 146     protected ElanInterfaceStateChangeListener getDataTreeChangeListener() {
 147         return this;
 148     }
 149
 150 }