interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/ovs/statehelpers/OvsInterfaceStateRemoveHelper.java

   1 /*
   2  * Copyright (c) 2015 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.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
  15 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  16 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  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.flow.inventory.rev130819.FlowCapableNodeConnector;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 import java.util.ArrayList;
  29 import java.util.List;
  30
  31 public class OvsInterfaceStateRemoveHelper {
  32     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceStateRemoveHelper.class);
  33
  34     public static List<ListenableFuture<Void>> removeState(IdManagerService idManager,
  35                                                            InstanceIdentifier<FlowCapableNodeConnector> key,
  36                                                            DataBroker dataBroker, String portName, FlowCapableNodeConnector fcNodeConnectorOld) {
  37         LOG.debug("Removing interface-state for port: {}", portName);
  38         List<ListenableFuture<Void>> futures = new ArrayList<>();
  39         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  40
  41         InstanceIdentifier<Interface> ifStateId = IfmUtil.buildStateInterfaceId(portName);
  42         /* Remove entry from if-index-interface-name map and deallocate Id from Idmanager. */
  43         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState =
  44                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(portName, dataBroker);
  45         InterfaceMetaUtils.removeLportTagInterfaceMap(t, idManager, dataBroker, interfaceState.getName(), interfaceState.getIfIndex());
  46
  47         t.delete(LogicalDatastoreType.OPERATIONAL, ifStateId);
  48
  49         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
  50         InterfaceKey interfaceKey = new InterfaceKey(portName);
  51         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  52                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  53         if (iface == null) {
  54             futures.add(t.submit());
  55             return futures;
  56         }
  57
  58         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
  59         InterfaceParentEntry interfaceParentEntry =
  60                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
  61         if (interfaceParentEntry == null) {
  62             futures.add(t.submit());
  63             return futures;
  64         }
  65
  66         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
  67         if (interfaceChildEntries == null) {
  68             futures.add(t.submit());
  69             return futures;
  70         }
  71
  72         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
  73         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
  74             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
  75                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
  76             t.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
  77         }
  78
  79        /* Below code will be needed if we want to update the vlan-trunk in the of-port.
  80        NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
  81         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  82
  83         BridgeRefEntryKey BridgeRefEntryKey = new BridgeRefEntryKey(dpId);
  84         InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid =
  85                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(BridgeRefEntryKey);
  86         BridgeRefEntry bridgeRefEntry =
  87                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(dpnBridgeEntryIid, dataBroker);
  88         if (bridgeRefEntry == null) {
  89             futures.add(t.submit());
  90             return futures;
  91         }
  92
  93         InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
  94         InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
  95                 InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
  96         t.delete(LogicalDatastoreType.CONFIGURATION, tpIid); */
  97
  98         futures.add(t.submit());
  99         return futures;
 100     }
 101 }