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.AlivenessMonitorUtils;
  16 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  17 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  18 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
  19 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
  20 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.AlivenessMonitorService;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 import java.math.BigInteger;
  39 import java.util.ArrayList;
  40 import java.util.List;
  41
  42 public class OvsInterfaceStateRemoveHelper {
  43     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceStateRemoveHelper.class);
  44
  45     public static List<ListenableFuture<Void>> removeState(IdManagerService idManager, IMdsalApiManager mdsalApiManager,
  46                                                            AlivenessMonitorService alivenessMonitorService,
  47                                                            InstanceIdentifier<FlowCapableNodeConnector> key,
  48                                                            DataBroker dataBroker, String portName, FlowCapableNodeConnector fcNodeConnectorOld) {
  49         LOG.debug("Removing interface-state for port: {}", portName);
  50         List<ListenableFuture<Void>> futures = new ArrayList<>();
  51         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  52
  53         InstanceIdentifier<Interface> ifStateId = IfmUtil.buildStateInterfaceId(portName);
  54         /* Remove entry from if-index-interface-name map and deallocate Id from Idmanager. */
  55         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState =
  56                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(portName, dataBroker);
  57         if(interfaceState != null) {
  58             InterfaceMetaUtils.removeLportTagInterfaceMap(transaction, idManager, dataBroker, interfaceState.getName(), interfaceState.getIfIndex());
  59         }
  60
  61         transaction.delete(LogicalDatastoreType.OPERATIONAL, ifStateId);
  62
  63         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
  64         InterfaceKey interfaceKey = new InterfaceKey(portName);
  65         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  66                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  67         if (iface == null) {
  68             futures.add(transaction.submit());
  69             return futures;
  70         }
  71
  72         // If this interface is a tunnel interface, remove the tunnel ingress flow and stop lldp monitoring
  73         IfTunnel tunnel = iface.getAugmentation(IfTunnel.class);
  74         if(tunnel != null){
  75             NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
  76             BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  77             long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
  78             InterfaceManagerCommonUtils.makeTunnelIngressFlow(futures, mdsalApiManager, tunnel, dpId, portNo, iface,
  79                     NwConstants.DEL_FLOW);
  80             futures.add(transaction.submit());
  81             AlivenessMonitorUtils.stopLLDPMonitoring(alivenessMonitorService, dataBroker, iface);
  82             return futures;
  83         }
  84
  85         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
  86         InterfaceParentEntry interfaceParentEntry =
  87                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
  88         if (interfaceParentEntry == null) {
  89             futures.add(transaction.submit());
  90             return futures;
  91         }
  92
  93         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
  94         if (interfaceChildEntries == null) {
  95             futures.add(transaction.submit());
  96             return futures;
  97         }
  98
  99         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
 100         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
 101             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 102                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 103             transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 104         }
 105
 106        /* Below code will be needed if we want to update the vlan-trunk in the of-port.
 107        NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
 108         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 109
 110         BridgeRefEntryKey BridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 111         InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid =
 112                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(BridgeRefEntryKey);
 113         BridgeRefEntry bridgeRefEntry =
 114                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(dpnBridgeEntryIid, dataBroker);
 115         if (bridgeRefEntry == null) {
 116             futures.add(t.submit());
 117             return futures;
 118         }
 119
 120         InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 121         InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 122                 InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 123         t.delete(LogicalDatastoreType.CONFIGURATION, tpIid); */
 124
 125         futures.add(transaction.submit());
 126         return futures;
 127     }
 128 }