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.vpnservice.mdsalutil.MDSALUtil;
  18 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
  19 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 import java.math.BigInteger;
  37 import java.util.ArrayList;
  38 import java.util.List;
  39
  40 public class OvsInterfaceStateRemoveHelper {
  41     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceStateRemoveHelper.class);
  42
  43     public static List<ListenableFuture<Void>> removeState(IdManagerService idManager, IMdsalApiManager mdsalApiManager,
  44                                                            InstanceIdentifier<FlowCapableNodeConnector> key,
  45                                                            DataBroker dataBroker, String portName, FlowCapableNodeConnector fcNodeConnectorOld) {
  46         LOG.debug("Removing interface-state for port: {}", portName);
  47         List<ListenableFuture<Void>> futures = new ArrayList<>();
  48         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  49
  50         InstanceIdentifier<Interface> ifStateId = IfmUtil.buildStateInterfaceId(portName);
  51         /* Remove entry from if-index-interface-name map and deallocate Id from Idmanager. */
  52         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState =
  53                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(portName, dataBroker);
  54         if(interfaceState != null) {
  55             InterfaceMetaUtils.removeLportTagInterfaceMap(transaction, idManager, dataBroker, interfaceState.getName(), interfaceState.getIfIndex());
  56         }
  57
  58         transaction.delete(LogicalDatastoreType.OPERATIONAL, ifStateId);
  59
  60         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
  61         InterfaceKey interfaceKey = new InterfaceKey(portName);
  62         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  63                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  64         if (iface == null) {
  65             futures.add(transaction.submit());
  66             return futures;
  67         }
  68
  69         // If this interface is a tunnel interface, remove the tunnel ingress flow
  70         IfTunnel tunnel = iface.getAugmentation(IfTunnel.class);
  71         if(tunnel != null){
  72             NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
  73             BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  74             long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
  75             InterfaceManagerCommonUtils.makeTunnelIngressFlow(futures, mdsalApiManager, tunnel, dpId, portNo, iface,
  76                     NwConstants.DEL_FLOW);
  77             return futures;
  78         }
  79
  80         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
  81         InterfaceParentEntry interfaceParentEntry =
  82                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
  83         if (interfaceParentEntry == null) {
  84             futures.add(transaction.submit());
  85             return futures;
  86         }
  87
  88         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
  89         if (interfaceChildEntries == null) {
  90             futures.add(transaction.submit());
  91             return futures;
  92         }
  93
  94         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
  95         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
  96             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
  97                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
  98             transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
  99         }
 100
 101        /* Below code will be needed if we want to update the vlan-trunk in the of-port.
 102        NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
 103         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 104
 105         BridgeRefEntryKey BridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 106         InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid =
 107                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(BridgeRefEntryKey);
 108         BridgeRefEntry bridgeRefEntry =
 109                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(dpnBridgeEntryIid, dataBroker);
 110         if (bridgeRefEntry == null) {
 111             futures.add(t.submit());
 112             return futures;
 113         }
 114
 115         InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 116         InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 117                 InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 118         t.delete(LogicalDatastoreType.CONFIGURATION, tpIid); */
 119
 120         futures.add(transaction.submit());
 121         return futures;
 122     }
 123 }