interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/hwvtep/statehelpers/HwVTEPInterfaceStateUpdateHelper.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.interfacemgr.renderer.hwvtep.statehelpers;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  15 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  16 import org.opendaylight.vpnservice.interfacemgr.renderer.hwvtep.utilities.SouthboundUtils;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.Tunnels;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelsBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.TunnelsKey;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdParams;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.tunnel.attributes.BfdStatus;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 import java.util.ArrayList;
  27 import java.util.List;
  28
  29 public class HwVTEPInterfaceStateUpdateHelper {
  30     private static final Logger LOG = LoggerFactory.getLogger(HwVTEPInterfaceStateUpdateHelper.class);
  31
  32     public static List<ListenableFuture<Void>> updatePhysicalSwitch(DataBroker dataBroker, InstanceIdentifier<Tunnels> tunnelsInstanceIdentifier,
  33                                                                     Tunnels tunnelsNew, Tunnels tunnelsOld) {
  34         List<ListenableFuture<Void>> futures = new ArrayList<ListenableFuture<Void>>();
  35         LOG.debug("updating physical switch for tunnels");
  36         String interfaceName =
  37                 InterfaceMetaUtils.getInterfaceForTunnelInstanceIdentifier(tunnelsInstanceIdentifier.toString(), dataBroker);
  38         if (interfaceName == null) {
  39             return futures;
  40         }
  41
  42         // update opstate of interface if TEP has gone down/up as a result of BFD monitoring
  43         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  44         InterfaceManagerCommonUtils.updateOpState(transaction, interfaceName, getTunnelOpState(tunnelsNew.getBfdStatus()));
  45         futures.add(transaction.submit());
  46         return futures;
  47     }
  48
  49     private static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  50                 getTunnelOpState(List<BfdStatus> tunnelBfdStatus) {
  51         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  52                 livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
  53         if (tunnelBfdStatus != null && !tunnelBfdStatus.isEmpty()) {
  54             for (BfdStatus bfdState : tunnelBfdStatus) {
  55                 if (bfdState.getBfdStatusKey().equalsIgnoreCase(SouthboundUtils.BFD_OP_STATE)) {
  56                     String bfdOpState = bfdState.getBfdStatusValue();
  57                     if (bfdOpState.equalsIgnoreCase(SouthboundUtils.BFD_STATE_UP)) {
  58                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up;
  59                     } else {
  60                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
  61                     }
  62                     break;
  63                 }
  64             }
  65         }
  66         return livenessState;
  67     }
  68
  69
  70     public static List<ListenableFuture<Void>> startBfdMonitoring(DataBroker dataBroker,
  71                                                                   InstanceIdentifier<Tunnels> tunnelsInstanceIdentifier,
  72                                                                   Tunnels tunnelsNew) {
  73         List<ListenableFuture<Void>> futures = new ArrayList<ListenableFuture<Void>>();
  74         /*String interfaceName =
  75                 InterfaceMetaUtils.getInterfaceForTunnelInstanceIdentifier(tunnelsInstanceIdentifier.toString(), dataBroker);
  76         if (interfaceName == null) {
  77             LOG.debug("no interface configured for the tunnel {}", tunnelsInstanceIdentifier);
  78             return futures;
  79         }*/
  80
  81         LOG.debug("starting bfd monitoring for the hwvtep {}", tunnelsInstanceIdentifier);
  82         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  83         TunnelsBuilder tBuilder = new TunnelsBuilder();
  84         tBuilder.setKey(new TunnelsKey(tunnelsNew.getLocalLocatorRef(), tunnelsNew.getRemoteLocatorRef()));
  85         tBuilder.setLocalLocatorRef(tunnelsNew.getLocalLocatorRef());
  86         tBuilder.setRemoteLocatorRef(tunnelsNew.getLocalLocatorRef());
  87         List <BfdParams> bfdParams = new ArrayList<>();
  88         SouthboundUtils.fillBfdParameters(bfdParams, null);
  89         tBuilder.setBfdParams(bfdParams);
  90         transaction.put(LogicalDatastoreType.CONFIGURATION, tunnelsInstanceIdentifier,tBuilder.build(), true);
  91         futures.add(transaction.submit());
  92         return futures;
  93     }
  94 }