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         InterfaceKey interfaceKey = new InterfaceKey(portName);
  69         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
  70                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
  71
  72         NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
  73         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
  74         // If this interface is a tunnel interface, remove the tunnel ingress flow and stop lldp monitoring
  75         if(iface != null) {
  76             IfTunnel tunnel = iface.getAugmentation(IfTunnel.class);
  77             if (tunnel != null) {
  78                 long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(nodeConnectorId));
  79                 InterfaceManagerCommonUtils.makeTunnelIngressFlow(futures, mdsalApiManager, tunnel, dpId, portNo, iface, -1,
  80                         NwConstants.DEL_FLOW);
  81                 futures.add(transaction.submit());
  82                 AlivenessMonitorUtils.stopLLDPMonitoring(alivenessMonitorService, dataBroker, iface);
  83                 return futures;
  84             }
  85         }
  86
  87         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(portName);
  88         InterfaceParentEntry interfaceParentEntry =
  89                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
  90         if (interfaceParentEntry == null || interfaceParentEntry.getInterfaceChildEntry() == null) {
  91             futures.add(transaction.submit());
  92             return futures;
  93         }
  94
  95         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
  96         InterfaceChildEntry higherlayerChild = interfaceParentEntry.getInterfaceChildEntry().get(0);
  97         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface>
  98                 higerLayerChildIfStateId = IfmUtil.buildStateInterfaceId(higherlayerChild.getChildInterface());
  99                 /* Remove entry from if-index-interface-name map and deallocate Id from Idmanager. */
 100         Interface higherLayerIfChildState = InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(higherlayerChild.getChildInterface(), dataBroker);
 101         if (interfaceState != null) {
 102             InterfaceMetaUtils.removeLportTagInterfaceMap(transaction, idManager, dataBroker, higherLayerIfChildState.getName(),
 103                     higherLayerIfChildState.getIfIndex());
 104             transaction.delete(LogicalDatastoreType.OPERATIONAL, higerLayerChildIfStateId);
 105             FlowBasedServicesUtils.removeIngressFlow(higherLayerIfChildState.getName(), dpId, transaction);
 106         }
 107         // If this interface maps to a Vlan trunk entity, operational states of all the vlan-trunk-members
 108         // should also be created here.
 109         InterfaceParentEntryKey higherLayerParentEntryKey = new InterfaceParentEntryKey(higherlayerChild.getChildInterface());
 110         InterfaceParentEntry higherLayerParent =
 111                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(higherLayerParentEntryKey, dataBroker);
 112
 113         if(higherLayerParent != null && higherLayerParent.getInterfaceChildEntry() != null) {
 114             for (InterfaceChildEntry interfaceChildEntry : higherLayerParent.getInterfaceChildEntry()) {
 115                 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 116                         IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 117                 /* Remove entry from if-index-interface-name map and deallocate Id from Idmanager. */
 118                 Interface childInterfaceState = InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceChildEntry.getChildInterface(), dataBroker);
 119                 if (interfaceState != null) {
 120                     InterfaceMetaUtils.removeLportTagInterfaceMap(transaction, idManager, dataBroker, childInterfaceState.getName(), childInterfaceState.getIfIndex());
 121                     transaction.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 122                     FlowBasedServicesUtils.removeIngressFlow(childInterfaceState.getName(), dpId, transaction);
 123                 }
 124             }
 125         }
 126
 127
 128        /* Below code will be needed if we want to update the vlan-trunk in the of-port.
 129        NodeConnectorId nodeConnectorId = InstanceIdentifier.keyOf(key.firstIdentifierOf(NodeConnector.class)).getId();
 130         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 131
 132         BridgeRefEntryKey BridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 133         InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid =
 134                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(BridgeRefEntryKey);
 135         BridgeRefEntry bridgeRefEntry =
 136                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(dpnBridgeEntryIid, dataBroker);
 137         if (bridgeRefEntry == null) {
 138             futures.add(t.submit());
 139             return futures;
 140         }
 141
 142         InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 143         InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 144                 InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 145         t.delete(LogicalDatastoreType.CONFIGURATION, tpIid); */
 146
 147         futures.add(transaction.submit());
 148         return futures;
 149     }
 150 }