interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/ovs/statehelpers/OvsInterfaceTopologyStateUpdateHelper.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.ovs.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.vpnservice.interfacemgr.IfmUtil;
  14 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  15 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  16 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.utilities.SouthboundUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdStatus;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntry;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntryKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntry;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 import java.math.BigInteger;
  31 import java.util.ArrayList;
  32 import java.util.List;
  33
  34 public class OvsInterfaceTopologyStateUpdateHelper {
  35     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceTopologyStateUpdateHelper.class);
  36     /*
  37      *  This code is used to handle only a dpnId change scenario for a particular change,
  38      * which is not expected to happen in usual cases.
  39      */
  40     public static List<ListenableFuture<Void>> updateBridgeRefEntry(InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid,
  41                                                                     OvsdbBridgeAugmentation bridgeNew,
  42                                                                     OvsdbBridgeAugmentation bridgeOld,
  43                                                                     DataBroker dataBroker) {
  44         List<ListenableFuture<Void>> futures = new ArrayList<>();
  45         WriteTransaction writeTransaction = dataBroker.newWriteOnlyTransaction();
  46
  47         BigInteger dpnIdNew = IfmUtil.getDpnId(bridgeNew.getDatapathId());
  48         BigInteger dpnIdOld = IfmUtil.getDpnId(bridgeOld.getDatapathId());
  49
  50         //delete bridge reference entry for the old dpn in interface meta operational DS
  51         InterfaceMetaUtils.deleteBridgeRefEntry(dpnIdOld, writeTransaction);
  52
  53         // create bridge reference entry in interface meta operational DS
  54         InterfaceMetaUtils.createBridgeRefEntry(dpnIdNew, bridgeIid, writeTransaction);
  55
  56         // handle pre-provisioning of tunnels for the newly connected dpn
  57         BridgeEntry bridgeEntry = InterfaceMetaUtils.getBridgeEntryFromConfigDS(dpnIdNew, dataBroker);
  58         if (bridgeEntry == null) {
  59             futures.add(writeTransaction.submit());
  60             return futures;
  61         }
  62         SouthboundUtils.addAllPortsToBridge(bridgeEntry, dataBroker, bridgeIid, bridgeNew, writeTransaction);
  63
  64         futures.add(writeTransaction.submit());
  65         return futures;
  66     }
  67
  68     public static List<ListenableFuture<Void>> updateTunnelState(DataBroker dataBroker,
  69                                                                  OvsdbTerminationPointAugmentation terminationPointNew,
  70                                                                  OvsdbTerminationPointAugmentation terminationPointOld) {
  71         List<ListenableFuture<Void>> futures = new ArrayList<ListenableFuture<Void>>();
  72
  73         // update opstate of interface if TEP has gone down/up as a result of BFD monitoring
  74         LOG.debug("updating tunnel state for interface {}", terminationPointNew.getName());
  75         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  76         InterfaceManagerCommonUtils.updateOpState(transaction, terminationPointNew.getName(), getTunnelOpState(terminationPointNew.getInterfaceBfdStatus()));
  77         futures.add(transaction.submit());
  78         return futures;
  79     }
  80
  81     private static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  82     getTunnelOpState(List<InterfaceBfdStatus> tunnelBfdStatus) {
  83         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  84                 livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
  85         if (tunnelBfdStatus != null && !tunnelBfdStatus.isEmpty()) {
  86             for (InterfaceBfdStatus bfdState : tunnelBfdStatus) {
  87                 if (bfdState.getBfdStatusKey().equalsIgnoreCase(SouthboundUtils.BFD_OP_STATE)) {
  88                     String bfdOpState = bfdState.getBfdStatusValue();
  89                     if (bfdOpState.equalsIgnoreCase(SouthboundUtils.BFD_STATE_UP)) {
  90                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up;
  91                     } else {
  92                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
  93                     }
  94                     break;
  95                 }
  96             }
  97         }
  98         return livenessState;
  99     }
 100 }