itm/itm-impl/src/main/java/org/opendaylight/genius/itm/confighelpers/ItmTunnelStateAddHelper.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.itm.confighelpers;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.Collections;
  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.genius.interfacemanager.interfaces.IInterfaceManager;
  16 import org.opendaylight.genius.itm.impl.ITMBatchingUtils;
  17 import org.opendaylight.genius.itm.impl.ItmUtils;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.TunnelOperStatus;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnels_state.StateTunnelList;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.tunnels_state.StateTunnelListKey;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public final class ItmTunnelStateAddHelper {
  27     private static final Logger LOG = LoggerFactory.getLogger(ItmTunnelStateAddHelper.class);
  28
  29     private ItmTunnelStateAddHelper() { }
  30
  31     @SuppressWarnings("checkstyle:IllegalCatch")
  32     public static List<ListenableFuture<Void>> addTunnel(Interface iface, IInterfaceManager ifaceManager,
  33                                                          DataBroker broker) throws Exception {
  34         LOG.debug("Invoking ItmTunnelStateAddHelper for Interface {} ", iface);
  35         final WriteTransaction writeTransaction = broker.newWriteOnlyTransaction();
  36         StateTunnelListKey tlKey = ItmUtils.getTunnelStateKey(iface);
  37         LOG.trace("TunnelStateKey: {} for interface: {}", tlKey, iface.getName());
  38         InstanceIdentifier<StateTunnelList> stListId = ItmUtils.buildStateTunnelListId(tlKey);
  39         StateTunnelList tunnelStateList;
  40         TunnelOperStatus tunnelOperStatus;
  41         boolean tunnelState = iface.getOperStatus().equals(Interface.OperStatus.Up);
  42         switch (iface.getOperStatus()) {
  43             case Up:
  44                 tunnelOperStatus = TunnelOperStatus.Up;
  45                 break;
  46             case Down:
  47                 tunnelOperStatus = TunnelOperStatus.Down;
  48                 break;
  49             case Unknown:
  50                 tunnelOperStatus = TunnelOperStatus.Unknown;
  51                 break;
  52             default:
  53                 tunnelOperStatus = TunnelOperStatus.Ignore;
  54         }
  55
  56         // Create new Tunnel State
  57         try {
  58             /*
  59              * FIXME: A defensive try-catch to find issues without
  60              * disrupting existing behavior.
  61              */
  62             tunnelStateList = ItmUtils.buildStateTunnelList(tlKey, iface.getName(), tunnelState, tunnelOperStatus,
  63                     ifaceManager, broker);
  64             LOG.trace("Batching the Creation of tunnel_state: {} for Id: {}", tunnelStateList, stListId);
  65             ITMBatchingUtils.write(stListId, tunnelStateList, ITMBatchingUtils.EntityType.DEFAULT_OPERATIONAL);
  66         } catch (Exception e) {
  67             LOG.warn("Exception trying to create tunnel state for {}", iface.getName(), e);
  68         }
  69
  70         return Collections.singletonList(writeTransaction.submit());
  71     }
  72
  73 }