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
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
  16 import org.opendaylight.vpnservice.interfacemgr.commons.AlivenessMonitorUtils;
  17 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  18 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  19 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  20 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
  21 import org.opendaylight.vpnservice.mdsalutil.MatchInfo;
  22 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
  23 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.AlivenessMonitorService;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42
  43 import java.math.BigInteger;
  44 import java.util.ArrayList;
  45 import java.util.List;
  46
  47 public class OvsInterfaceStateRemoveHelper {
  48     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceStateRemoveHelper.class);
  49
  50     public static List<ListenableFuture<Void>> removeState(IdManagerService idManager, IMdsalApiManager mdsalApiManager,
  51                                                            AlivenessMonitorService alivenessMonitorService,
  52                                                            InstanceIdentifier<FlowCapableNodeConnector> key,
  53                                                            DataBroker dataBroker, String portName, FlowCapableNodeConnector fcNodeConnectorOld) {
  54         LOG.debug("Removing interface-state for port: {}", portName);
  55         List<ListenableFuture<Void>> futures = new ArrayList<>();
  56         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  57
  58         InstanceIdentifier<Interface> ifStateId = IfmUtil.buildStateInterfaceId(portName);
  59         /* Remove entry from if-index-interface-name map and deallocate Id from Idmanager. */
  60         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState =
  61                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(portName, dataBroker);
  62         if(interfaceState != null) {
  63             InterfaceMetaUtils.removeLportTagInterfaceMap(transaction, idManager, dataBroker, interfaceState.getName(), interfaceState.getIfIndex());
  64         }
  65
  66         transaction.delete(LogicalDatastoreType.OPERATIONAL, ifStateId);
  67
  68         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
  69         InterfaceKey interfaceKey = new InterfaceKey(portName);
  70         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  71                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  72         if (iface == null) {
  73             futures.add(transaction.submit());
  74             return futures;
  75         }
  76
  77         NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
  78         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  79         // If this interface is a tunnel interface, remove the tunnel ingress flow and stop lldp monitoring
  80         IfTunnel tunnel = iface.getAugmentation(IfTunnel.class);
  81         if(tunnel != null){
  82             long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
  83             InterfaceManagerCommonUtils.makeTunnelIngressFlow(futures, mdsalApiManager, tunnel, dpId, portNo, iface, -1,
  84                     NwConstants.DEL_FLOW);
  85             futures.add(transaction.submit());
  86             AlivenessMonitorUtils.stopLLDPMonitoring(alivenessMonitorService, dataBroker, iface);
  87             return futures;
  88         }
  89
  90         IfL2vlan ifL2vlan = iface.getAugmentation(IfL2vlan.class);
  91         if (ifL2vlan == null) {
  92             futures.add(transaction.submit());
  93             return futures;
  94         }
  95         FlowBasedServicesUtils.removeIngressFlow(iface, dpId, transaction);
  96         if (ifL2vlan.getL2vlanMode() != IfL2vlan.L2vlanMode.Trunk) {
  97             futures.add(transaction.submit());
  98             return futures;
  99         }
 100
 101         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
 102         InterfaceParentEntry interfaceParentEntry =
 103                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
 104         if (interfaceParentEntry == null) {
 105             futures.add(transaction.submit());
 106             return futures;
 107         }
 108
 109         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
 110         if (interfaceChildEntries == null) {
 111             futures.add(transaction.submit());
 112             return futures;
 113         }
 114
 115         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
 116         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
 117             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 118                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 119             /* Remove entry from if-index-interface-name map and deallocate Id from Idmanager. */
 120             Interface childInterfaceState = InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceChildEntry.getChildInterface(), dataBroker);
 121             if(interfaceState != null) {
 122                 InterfaceMetaUtils.removeLportTagInterfaceMap(transaction, idManager, dataBroker, childInterfaceState.getName(), childInterfaceState.getIfIndex());
 123                 transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 124                 InterfaceKey childIfKey = new InterfaceKey(interfaceChildEntry.getChildInterface());
 125                 FlowBasedServicesUtils.removeIngressFlow(InterfaceManagerCommonUtils.getInterfaceFromConfigDS(childIfKey, dataBroker), dpId, transaction);
 126             }
 127         }
 128
 129        /* Below code will be needed if we want to update the vlan-trunk in the of-port.
 130        NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
 131         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 132
 133         BridgeRefEntryKey BridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 134         InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid =
 135                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(BridgeRefEntryKey);
 136         BridgeRefEntry bridgeRefEntry =
 137                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(dpnBridgeEntryIid, dataBroker);
 138         if (bridgeRefEntry == null) {
 139             futures.add(t.submit());
 140             return futures;
 141         }
 142
 143         InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 144         InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 145                 InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 146         t.delete(LogicalDatastoreType.CONFIGURATION, tpIid); */
 147
 148         futures.add(transaction.submit());
 149         return futures;
 150     }
 151 }