vpnservice/elanmanager/elanmanager-impl/src/main/java/org/opendaylight/vpnservice/elan/l2gw/listeners/HwvtepLogicalSwitchListener.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.vpnservice.elan.l2gw.listeners;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  11 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  12 import org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase;
  13 import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
  14 import org.opendaylight.vpnservice.elan.l2gw.jobs.LogicalSwitchAddedJob;
  15 import org.opendaylight.vpnservice.elan.l2gw.utils.L2GatewayConnectionUtils;
  16 import org.opendaylight.vpnservice.neutronvpn.api.l2gw.L2GatewayDevice;
  17 import org.opendaylight.vpnservice.utils.SystemPropertyReader;
  18 import org.opendaylight.vpnservice.utils.hwvtep.HwvtepSouthboundUtils;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.Devices;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepNodeName;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 /**
  29  * The listener class for listening to {@code LogicalSwitches}
  30  * add/delete/update.
  31  *
  32  * @see LogicalSwitches
  33  */
  34 public class HwvtepLogicalSwitchListener
  35         extends AsyncDataChangeListenerBase<LogicalSwitches, HwvtepLogicalSwitchListener> {
  36
  37     /** The Constant LOG. */
  38     private static final Logger LOG = LoggerFactory.getLogger(HwvtepLogicalSwitchListener.class);
  39
  40     /** The node id. */
  41     private NodeId nodeId;
  42
  43     /** The logical switch name. */
  44     private String logicalSwitchName;
  45
  46     /** The physical device. */
  47     private Devices physicalDevice;
  48
  49     /** The l2 gateway device. */
  50     private L2GatewayDevice l2GatewayDevice;
  51
  52     /** The default vlan id. */
  53     private Integer defaultVlanId;
  54
  55     /** Id of L2 Gateway connection responsible for this logical switch creation */
  56     private Uuid l2GwConnId;
  57
  58     static DataStoreJobCoordinator dataStoreJobCoordinator;
  59
  60     public static void setDataStoreJobCoordinator(DataStoreJobCoordinator ds) {
  61         dataStoreJobCoordinator = ds;
  62     }
  63
  64     /**
  65      * Instantiates a new hardware vtep logical switch listener.
  66      *
  67      * @param l2GatewayDevice
  68      *            the l2 gateway device
  69      * @param logicalSwitchName
  70      *            the logical switch name
  71      * @param physicalDevice
  72      *            the physical device
  73      * @param defaultVlanId
  74      *            the default vlan id
  75      * @param l2GwConnId
  76      *            the l2 gateway connection id
  77      */
  78     public HwvtepLogicalSwitchListener(L2GatewayDevice l2GatewayDevice, String logicalSwitchName,
  79             Devices physicalDevice, Integer defaultVlanId, Uuid l2GwConnId) {
  80         super(LogicalSwitches.class, HwvtepLogicalSwitchListener.class);
  81         this.nodeId = new NodeId(l2GatewayDevice.getHwvtepNodeId());
  82         this.logicalSwitchName = logicalSwitchName;
  83         this.physicalDevice = physicalDevice;
  84         this.l2GatewayDevice = l2GatewayDevice;
  85         this.defaultVlanId = defaultVlanId;
  86         this.l2GwConnId = l2GwConnId;
  87     }
  88
  89     /*
  90      * (non-Javadoc)
  91      *
  92      * @see
  93      * org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase#
  94      * getWildCardPath()
  95      */
  96     @Override
  97         public InstanceIdentifier<LogicalSwitches> getWildCardPath() {
  98         return HwvtepSouthboundUtils.createLogicalSwitchesInstanceIdentifier(nodeId,
  99                 new HwvtepNodeName(logicalSwitchName));
 100     }
 101
 102     /*
 103      * (non-Javadoc)
 104      *
 105      * @see
 106      * org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase#
 107      * getDataChangeListener()
 108      */
 109     @Override
 110     protected DataChangeListener getDataChangeListener() {
 111         return HwvtepLogicalSwitchListener.this;
 112     }
 113
 114     /*
 115      * (non-Javadoc)
 116      *
 117      * @see
 118      * org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase#
 119      * getDataChangeScope()
 120      */
 121     @Override
 122     protected AsyncDataBroker.DataChangeScope getDataChangeScope() {
 123         return AsyncDataBroker.DataChangeScope.BASE;
 124     }
 125
 126     /*
 127      * (non-Javadoc)
 128      *
 129      * @see
 130      * org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase#
 131      * remove(org.opendaylight.yangtools.yang.binding.InstanceIdentifier,
 132      * org.opendaylight.yangtools.yang.binding.DataObject)
 133      */
 134     @Override
 135     protected void remove(InstanceIdentifier<LogicalSwitches> identifier, LogicalSwitches deletedLogicalSwitch) {
 136         LOG.trace("Received Remove DataChange Notification for identifier: {}, LogicalSwitches: {}", identifier,
 137                 deletedLogicalSwitch);
 138     }
 139
 140     /*
 141      * (non-Javadoc)
 142      *
 143      * @see
 144      * org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase#
 145      * update(org.opendaylight.yangtools.yang.binding.InstanceIdentifier,
 146      * org.opendaylight.yangtools.yang.binding.DataObject,
 147      * org.opendaylight.yangtools.yang.binding.DataObject)
 148      */
 149     @Override
 150     protected void update(InstanceIdentifier<LogicalSwitches> identifier, LogicalSwitches logicalSwitchOld,
 151             LogicalSwitches logicalSwitchNew) {
 152         LOG.trace("Received Update DataChange Notification for identifier: {}, LogicalSwitches old: {}, new: {}."
 153                 + "No Action Performed.", identifier, logicalSwitchOld, logicalSwitchNew);
 154     }
 155
 156     /*
 157      * (non-Javadoc)
 158      *
 159      * @see
 160      * org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase#
 161      * add(org.opendaylight.yangtools.yang.binding.InstanceIdentifier,
 162      * org.opendaylight.yangtools.yang.binding.DataObject)
 163      */
 164     @Override
 165     protected void add(InstanceIdentifier<LogicalSwitches> identifier, LogicalSwitches logicalSwitchNew) {
 166         LOG.debug("Received Add DataChange Notification for identifier: {}, LogicalSwitches: {}", identifier,
 167                 logicalSwitchNew);
 168         try {
 169             L2GatewayDevice elanDevice = L2GatewayConnectionUtils.addL2DeviceToElanL2GwCache(
 170                     logicalSwitchNew.getHwvtepNodeName().getValue(), l2GatewayDevice, l2GwConnId);
 171
 172             LogicalSwitchAddedJob logicalSwitchAddedWorker = new LogicalSwitchAddedJob(
 173                     logicalSwitchName, physicalDevice, elanDevice, defaultVlanId);
 174             dataStoreJobCoordinator.enqueueJob(logicalSwitchAddedWorker.getJobKey(), logicalSwitchAddedWorker,
 175                     SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
 176
 177         } catch (Exception e) {
 178             LOG.error("Failed to handle HwVTEPLogicalSwitch - add: {}", e);
 179         } finally {
 180             try {
 181                 // This listener is specific to handle a specific logical
 182                 // switch, hence closing it.
 183                 LOG.trace("Closing LogicalSwitches listener for node: {}, logicalSwitch: {}", nodeId.getValue(),
 184                         logicalSwitchName);
 185                 close();
 186             } catch (Exception e) {
 187                 LOG.warn("Failed to close HwVTEPLogicalSwitchListener: {}", e);
 188             }
 189         }
 190     }
 191
 192 }