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