opendaylight/md-sal/compatibility/sal-compatibility/src/main/java/org/opendaylight/controller/sal/compatibility/MDFlowMapping.xtend

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. 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.controller.sal.compatibility;
   9
  10 import com.google.common.net.InetAddresses
  11 import java.math.BigInteger
  12 import java.net.Inet4Address
  13 import java.net.Inet6Address
  14 import java.util.ArrayList
  15 import org.opendaylight.controller.sal.action.Controller
  16 import org.opendaylight.controller.sal.action.Drop
  17 import org.opendaylight.controller.sal.action.Flood
  18 import org.opendaylight.controller.sal.action.FloodAll
  19 import org.opendaylight.controller.sal.action.HwPath
  20 import org.opendaylight.controller.sal.action.Loopback
  21 import org.opendaylight.controller.sal.action.Output
  22 import org.opendaylight.controller.sal.action.PopVlan
  23 import org.opendaylight.controller.sal.action.PushVlan
  24 import org.opendaylight.controller.sal.action.SetDlDst
  25 import org.opendaylight.controller.sal.action.SetDlSrc
  26 import org.opendaylight.controller.sal.action.SetDlType
  27 import org.opendaylight.controller.sal.action.SetNextHop
  28 import org.opendaylight.controller.sal.action.SetNwDst
  29 import org.opendaylight.controller.sal.action.SetNwSrc
  30 import org.opendaylight.controller.sal.action.SetNwTos
  31 import org.opendaylight.controller.sal.action.SetTpDst
  32 import org.opendaylight.controller.sal.action.SetTpSrc
  33 import org.opendaylight.controller.sal.action.SetVlanCfi
  34 import org.opendaylight.controller.sal.action.SetVlanId
  35 import org.opendaylight.controller.sal.action.SetVlanPcp
  36 import org.opendaylight.controller.sal.action.SwPath
  37 import org.opendaylight.controller.sal.core.Node
  38 import org.opendaylight.controller.sal.core.NodeConnector
  39 import org.opendaylight.controller.sal.flowprogrammer.Flow
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix
  42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber
  43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInputBuilder
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowAddedBuilder
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInputBuilder
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInputBuilder
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.VlanCfi
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.Address
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv4Builder
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv6Builder
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.ActionBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.EtherType
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanPcp
  58
  59 import static extension org.opendaylight.controller.sal.compatibility.FromSalConversionsUtils.*
  60 import static extension org.opendaylight.controller.sal.compatibility.NodeMapping.*
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.OriginalFlowBuilder
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlowBuilder
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder
  65 import java.util.Collections
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.controller.action._case.ControllerActionBuilder
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.drop.action._case.DropActionBuilder
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.flood.action._case.FloodActionBuilder
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.flood.all.action._case.FloodAllActionBuilder
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.hw.path.action._case.HwPathActionBuilder
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.loopback.action._case.LoopbackActionBuilder
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.output.action._case.OutputActionBuilder
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.push.vlan.action._case.PushVlanActionBuilder
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.dl.dst.action._case.SetDlDstActionBuilder
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.dl.src.action._case.SetDlSrcActionBuilder
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.dl.type.action._case.SetDlTypeActionBuilder
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.next.hop.action._case.SetNextHopActionBuilder
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.nw.dst.action._case.SetNwDstActionBuilder
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.nw.src.action._case.SetNwSrcActionBuilder
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.nw.tos.action._case.SetNwTosActionBuilder
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.tp.dst.action._case.SetTpDstActionBuilder
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.tp.src.action._case.SetTpSrcActionBuilder
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.vlan.cfi.action._case.SetVlanCfiActionBuilder
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.vlan.id.action._case.SetVlanIdActionBuilder
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.set.vlan.pcp.action._case.SetVlanPcpActionBuilder
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.sw.path.action._case.SwPathActionBuilder
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetTpSrcActionCaseBuilder
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetTpDstActionCaseBuilder
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwTosActionCaseBuilder
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwSrcActionCaseBuilder
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwDstActionCaseBuilder
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNextHopActionCaseBuilder
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlTypeActionCaseBuilder
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlDstActionCaseBuilder
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.ControllerActionCaseBuilder
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.DropActionCaseBuilder
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.FloodActionCaseBuilder
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.FloodAllActionCaseBuilder
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.HwPathActionCaseBuilder
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.LoopbackActionCaseBuilder
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PopVlanActionCaseBuilder
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCaseBuilder
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushVlanActionCaseBuilder
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlSrcActionCaseBuilder
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanCfiActionCaseBuilder
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanIdActionCaseBuilder
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanPcpActionCaseBuilder
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SwPathActionCaseBuilder
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.apply.actions._case.ApplyActionsBuilder
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId
 116
 117 public class MDFlowMapping {
 118
 119     private new() {
 120         throw new UnsupportedOperationException()
 121     }
 122
 123     public static def flowAdded(Flow sourceFlow) {
 124         if (sourceFlow == null)
 125             throw new IllegalArgumentException();
 126         val it = new FlowAddedBuilder();
 127
 128         hardTimeout = sourceFlow.hardTimeout as int
 129         idleTimeout = sourceFlow.idleTimeout as int
 130         cookie = BigInteger.valueOf(sourceFlow.id)
 131         priority = sourceFlow.priority as int
 132
 133         val sourceActions = sourceFlow.actions;
 134         val targetActions = new ArrayList<Action>();
 135         for (sourceAction : sourceActions) {
 136             targetActions.add(sourceAction.toAction());
 137         }
 138         instructions = targetActions.toApplyInstruction();
 139         match = sourceFlow.match.toMatch();
 140         tableId = new Integer(0).shortValue
 141         return it.build();
 142
 143     }
 144
 145     public static def toMDFlow(Flow sourceFlow, String flowId) {
 146        if (sourceFlow == null)
 147             throw new IllegalArgumentException();
 148        val it = new FlowBuilder();
 149        hardTimeout = sourceFlow.hardTimeout as int
 150        idleTimeout = sourceFlow.idleTimeout as int
 151        cookie = BigInteger.valueOf(sourceFlow.id)
 152        priority = sourceFlow.priority as int
 153        id = new FlowId(flowId)
 154
 155        val sourceActions = sourceFlow.actions;
 156        val targetActions = new ArrayList<Action>();
 157        for (sourceAction : sourceActions) {
 158            targetActions.add(sourceAction.toAction());
 159        }
 160        instructions = targetActions.toApplyInstruction();
 161        match = sourceFlow.match.toMatch();
 162        tableId = new Integer(0).shortValue
 163        return it.build();
 164     }
 165
 166     public static def Instructions toApplyInstruction(ArrayList<Action> actions) {
 167         val it = new InstructionsBuilder;
 168         val applyActions = new InstructionBuilder;
 169         applyActions.instruction = new ApplyActionsCaseBuilder().setApplyActions(new ApplyActionsBuilder().setAction(actions).build()).build()
 170         applyActions.setOrder(new Integer(0))
 171         instruction = Collections.<Instruction>singletonList(applyActions.build)
 172         return it.build;
 173     }
 174
 175     public static def removeFlowInput(Node sourceNode, Flow sourceFlow) {
 176         val source = flowAdded(sourceFlow);
 177         val it = new RemoveFlowInputBuilder(source as org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow);
 178         node = sourceNode.toNodeRef()
 179         return it.build();
 180     }
 181
 182     public static def addFlowInput(Node sourceNode, Flow sourceFlow) {
 183         val source = flowAdded(sourceFlow);
 184         val it = new AddFlowInputBuilder(source as org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow);
 185         it.setNode(sourceNode.toNodeRef)
 186         return it.build();
 187     }
 188
 189     public static def updateFlowInput(Node sourceNode, Flow oldFlow, Flow newFlow) {
 190         val it = new UpdateFlowInputBuilder();
 191         val sourceOld = flowAdded(newFlow);
 192
 193         val original = new OriginalFlowBuilder(sourceOld as org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow);
 194         val sourceNew = flowAdded(newFlow);
 195         val updated = new UpdatedFlowBuilder(sourceNew as org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow);
 196         originalFlow = original.build()
 197         updatedFlow = updated.build();
 198         node = sourceNode.toNodeRef()
 199         return it.build();
 200     }
 201
 202     public static dispatch def toAction(Controller sourceAction) {
 203         val actionBuilder = new ActionBuilder();
 204         actionBuilder.action = new ControllerActionCaseBuilder().setControllerAction(new ControllerActionBuilder().build()).build();
 205         return actionBuilder.build();
 206     }
 207
 208     public static dispatch def toAction(Drop sourceAction) {
 209         val actionBuilder = new ActionBuilder();
 210         actionBuilder.action = new DropActionCaseBuilder().setDropAction(new DropActionBuilder().build()).build();
 211         return actionBuilder.build();
 212     }
 213
 214     public static dispatch def toAction(Flood sourceAction) {
 215         val actionBuilder = new ActionBuilder();
 216         actionBuilder.action = new FloodActionCaseBuilder().setFloodAction(new FloodActionBuilder().build).build();
 217         return actionBuilder.build();
 218     }
 219
 220     public static dispatch def toAction(FloodAll sourceAction) {
 221         val actionBuilder = new ActionBuilder();
 222         actionBuilder.action = new FloodAllActionCaseBuilder().setFloodAllAction(new FloodAllActionBuilder().build()).build();
 223         return actionBuilder.build();
 224     }
 225
 226     public static dispatch def toAction(HwPath sourceAction) {
 227         val actionBuilder = new ActionBuilder();
 228         actionBuilder.action = new HwPathActionCaseBuilder().setHwPathAction(new HwPathActionBuilder().build()).build();
 229         return actionBuilder.build();
 230     }
 231
 232     public static dispatch def toAction(Loopback sourceAction) {
 233         val actionBuilder = new ActionBuilder();
 234         actionBuilder.action = new LoopbackActionCaseBuilder().setLoopbackAction(new LoopbackActionBuilder().build()).build();
 235         return actionBuilder.build();
 236     }
 237
 238     public static dispatch def toAction(Output sourceAction) {
 239         val actionBuilder = new ActionBuilder();
 240         val it = new OutputActionBuilder();
 241         outputNodeConnector = sourceAction.port.toUri;
 242         actionBuilder.action = new OutputActionCaseBuilder().setOutputAction(it.build()).build();
 243         return actionBuilder.build();
 244
 245     }
 246
 247     public static dispatch def toAction(PopVlan sourceAction) {
 248         val actionBuilder = new ActionBuilder();
 249         actionBuilder.action = new PopVlanActionCaseBuilder().build();
 250         return actionBuilder.build();
 251     }
 252
 253     public static dispatch def toAction(PushVlan sourceAction) {
 254         val actionBuilder = new ActionBuilder();
 255         val it = new PushVlanActionBuilder();
 256         cfi = new VlanCfi(sourceAction.cfi);
 257         vlanId = new VlanId(sourceAction.vlanId);
 258         pcp = sourceAction.pcp;
 259         tag = sourceAction.tag;
 260         actionBuilder.action = new PushVlanActionCaseBuilder().setPushVlanAction(it.build()).build();
 261         return actionBuilder.build();
 262     }
 263
 264     public static dispatch def toAction(SetDlDst sourceAction) {
 265         val actionBuilder = new ActionBuilder();
 266         val it = new SetDlDstActionBuilder();
 267         address = sourceAction.dlAddress.toMacAddress();
 268         actionBuilder.action = new SetDlDstActionCaseBuilder().setSetDlDstAction(it.build()).build;
 269         return actionBuilder.build();
 270     }
 271
 272     public static dispatch def toAction(SetDlSrc sourceAction) {
 273         val actionBuilder = new ActionBuilder();
 274         val it = new SetDlSrcActionBuilder();
 275         address = sourceAction.dlAddress.toMacAddress;
 276         actionBuilder.action = new SetDlSrcActionCaseBuilder().setSetDlSrcAction(it.build()).build;
 277         return actionBuilder.build();
 278     }
 279
 280     public static dispatch def toAction(SetDlType sourceAction) {
 281         val actionBuilder = new ActionBuilder();
 282         val it = new SetDlTypeActionBuilder();
 283         dlType = new EtherType(sourceAction.dlType as long);
 284         actionBuilder.action = new SetDlTypeActionCaseBuilder().setSetDlTypeAction(it.build()).build();
 285         return actionBuilder.build();
 286     }
 287
 288     public static dispatch def toAction(SetNextHop sourceAction) {
 289         val actionBuilder = new ActionBuilder();
 290         val it = new SetNextHopActionBuilder();
 291         val inetAddress = sourceAction.address;
 292         address = inetAddress.toInetAddress;
 293         actionBuilder.action = new SetNextHopActionCaseBuilder().setSetNextHopAction(it.build).build();
 294         return actionBuilder.build();
 295     }
 296
 297     public static dispatch def toAction(SetNwDst sourceAction) {
 298         val actionBuilder = new ActionBuilder();
 299         val it = new SetNwDstActionBuilder();
 300         val inetAddress = sourceAction.address;
 301         address = inetAddress.toInetAddress;
 302         actionBuilder.action = new SetNwDstActionCaseBuilder().setSetNwDstAction(it.build()).build();
 303         return actionBuilder.build();
 304     }
 305
 306     public static dispatch def toAction(SetNwSrc sourceAction) {
 307         val actionBuilder = new ActionBuilder();
 308         val it = new SetNwSrcActionBuilder();
 309         val inetAddress = sourceAction.address;
 310         address = inetAddress.toInetAddress;
 311         actionBuilder.action = new SetNwSrcActionCaseBuilder().setSetNwSrcAction(it.build()).build();
 312         return actionBuilder.build();
 313     }
 314
 315     public static dispatch def toAction(SetNwTos sourceAction) {
 316         val actionBuilder = new ActionBuilder();
 317         val it = new SetNwTosActionBuilder();
 318         tos = sourceAction.nwTos;
 319         actionBuilder.action = new SetNwTosActionCaseBuilder().setSetNwTosAction(it.build).build;
 320         return actionBuilder.build();
 321     }
 322
 323     public static dispatch def toAction(SetTpDst sourceAction) {
 324         val actionBuilder = new ActionBuilder();
 325         val it = new SetTpDstActionBuilder();
 326         port = new PortNumber(sourceAction.port);
 327         actionBuilder.action = new SetTpDstActionCaseBuilder().setSetTpDstAction(it.build()).build();
 328         return actionBuilder.build();
 329     }
 330
 331     public static dispatch def toAction(SetTpSrc sourceAction) {
 332         val actionBuilder = new ActionBuilder();
 333         val it = new SetTpSrcActionBuilder();
 334         port = new PortNumber(sourceAction.port);
 335         actionBuilder.action = new SetTpSrcActionCaseBuilder().setSetTpSrcAction(it.build()).build();
 336         return actionBuilder.build();
 337     }
 338
 339     public static dispatch def toAction(SetVlanCfi sourceAction) {
 340         val actionBuilder = new ActionBuilder();
 341         val it = new SetVlanCfiActionBuilder();
 342         vlanCfi = new VlanCfi(sourceAction.cfi);
 343         actionBuilder.action = new SetVlanCfiActionCaseBuilder().setSetVlanCfiAction(it.build()).build();
 344         return actionBuilder.build();
 345     }
 346
 347     public static dispatch def toAction(SetVlanId sourceAction) {
 348         val actionBuilder = new ActionBuilder();
 349
 350         val it = new SetVlanIdActionBuilder();
 351         vlanId = new VlanId(sourceAction.vlanId);
 352         actionBuilder.action = new SetVlanIdActionCaseBuilder().setSetVlanIdAction(it.build()).build();
 353         return actionBuilder.build();
 354     }
 355
 356     public static dispatch def toAction(SetVlanPcp sourceAction) {
 357         val actionBuilder = new ActionBuilder();
 358         val it = new SetVlanPcpActionBuilder();
 359         vlanPcp = new VlanPcp(sourceAction.pcp as short);
 360         actionBuilder.action = new SetVlanPcpActionCaseBuilder().setSetVlanPcpAction(it.build).build;
 361         return actionBuilder.build();
 362     }
 363
 364     public static dispatch def toAction(SwPath sourceAction) {
 365         val actionBuilder = new ActionBuilder();
 366         actionBuilder.action = new SwPathActionCaseBuilder().setSwPathAction(new SwPathActionBuilder().build()).build();
 367         return actionBuilder.build();
 368     }
 369
 370     public static def dispatch Address toInetAddress(Inet4Address address) {
 371         val it = new Ipv4Builder
 372         ipv4Address = new Ipv4Prefix(InetAddresses.toAddrString(address))
 373         return it.build()
 374     }
 375
 376     public static def dispatch Address toInetAddress(Inet6Address address) {
 377         val it = new Ipv6Builder
 378         ipv6Address = new Ipv6Prefix(InetAddresses.toAddrString(address))
 379         return it.build()
 380     }
 381
 382     public static def Uri toUri(NodeConnector connector) {
 383         return new NodeConnectorId(connector.ID as String);
 384     }
 385
 386     public static def MacAddress toMacAddress(byte[] bytes) {
 387         val sb = new StringBuilder(18);
 388         for (byte b : bytes) {
 389             if (sb.length() > 0)
 390                 sb.append(':');
 391             sb.append(String.format("%02x", b));
 392         }
 393         return new MacAddress(sb.toString());
 394     }
 395
 396         public static def toMDSalflow(Flow sourceFlow) {
 397         if (sourceFlow == null)
 398             throw new IllegalArgumentException();
 399         val it = new FlowBuilder();
 400
 401         hardTimeout = sourceFlow.hardTimeout as int
 402         idleTimeout = sourceFlow.idleTimeout as int
 403         cookie = BigInteger.valueOf(sourceFlow.id)
 404         priority = sourceFlow.priority as int
 405
 406         val sourceActions = sourceFlow.actions;
 407         val targetActions = new ArrayList<Action>();
 408         for (sourceAction : sourceActions) {
 409             targetActions.add(sourceAction.toAction());
 410         }
 411         instructions = targetActions.toApplyInstruction();
 412         match = sourceFlow.match.toMatch();
 413         return it.build();
 414         }
 415
 416 }