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

   1 package org.opendaylight.controller.sal.compatibility;
   2
   3 import static org.opendaylight.controller.sal.compatibility.ProtocolConstants.CRUDP;
   4 import static org.opendaylight.controller.sal.compatibility.ProtocolConstants.ETHERNET_ARP;
   5 import static org.opendaylight.controller.sal.compatibility.ProtocolConstants.TCP;
   6 import static org.opendaylight.controller.sal.compatibility.ProtocolConstants.UDP;
   7 import static org.opendaylight.controller.sal.match.MatchType.DL_DST;
   8 import static org.opendaylight.controller.sal.match.MatchType.DL_SRC;
   9 import static org.opendaylight.controller.sal.match.MatchType.DL_TYPE;
  10 import static org.opendaylight.controller.sal.match.MatchType.DL_VLAN;
  11 import static org.opendaylight.controller.sal.match.MatchType.DL_VLAN_PR;
  12 import static org.opendaylight.controller.sal.match.MatchType.NW_DST;
  13 import static org.opendaylight.controller.sal.match.MatchType.NW_PROTO;
  14 import static org.opendaylight.controller.sal.match.MatchType.NW_SRC;
  15 import static org.opendaylight.controller.sal.match.MatchType.NW_TOS;
  16 import static org.opendaylight.controller.sal.match.MatchType.TP_DST;
  17 import static org.opendaylight.controller.sal.match.MatchType.TP_SRC;
  18
  19 import java.net.InetAddress;
  20 import java.util.ArrayList;
  21 import java.util.Collections;
  22 import java.util.List;
  23
  24 import org.opendaylight.controller.sal.action.Controller;
  25 import org.opendaylight.controller.sal.action.Drop;
  26 import org.opendaylight.controller.sal.action.Flood;
  27 import org.opendaylight.controller.sal.action.FloodAll;
  28 import org.opendaylight.controller.sal.action.HwPath;
  29 import org.opendaylight.controller.sal.action.Loopback;
  30 import org.opendaylight.controller.sal.action.Output;
  31 import org.opendaylight.controller.sal.action.PopVlan;
  32 import org.opendaylight.controller.sal.action.PushVlan;
  33 import org.opendaylight.controller.sal.action.SetDlDst;
  34 import org.opendaylight.controller.sal.action.SetDlSrc;
  35 import org.opendaylight.controller.sal.action.SetDlType;
  36 import org.opendaylight.controller.sal.action.SetNextHop;
  37 import org.opendaylight.controller.sal.action.SetNwDst;
  38 import org.opendaylight.controller.sal.action.SetNwSrc;
  39 import org.opendaylight.controller.sal.action.SetNwTos;
  40 import org.opendaylight.controller.sal.action.SetTpDst;
  41 import org.opendaylight.controller.sal.action.SetTpSrc;
  42 import org.opendaylight.controller.sal.action.SetVlanCfi;
  43 import org.opendaylight.controller.sal.action.SetVlanId;
  44 import org.opendaylight.controller.sal.action.SetVlanPcp;
  45 import org.opendaylight.controller.sal.action.SwPath;
  46 import org.opendaylight.controller.sal.core.NodeConnector;
  47 import org.opendaylight.controller.sal.flowprogrammer.Flow;
  48 import org.opendaylight.controller.sal.match.Match;
  49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp;
  50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
  52 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.VlanCfi;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.ControllerActionCase;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.DropActionCase;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.FloodActionCase;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.FloodAllActionCase;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.HwPathActionCase;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.LoopbackActionCase;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCase;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PopMplsActionCase;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PopVlanActionCase;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushMplsActionCase;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushPbbActionCase;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushVlanActionCase;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlDstActionCase;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlSrcActionCase;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlTypeActionCase;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetMplsTtlActionCase;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNextHopActionCase;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwDstActionCase;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwSrcActionCase;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwTosActionCase;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwTtlActionCase;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetQueueActionCase;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetTpDstActionCase;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetTpSrcActionCase;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanCfiActionCase;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanIdActionCase;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanPcpActionCase;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SwPathActionCase;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.Address;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv4;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv6;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCase;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.EtherType;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanPcp;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.MacAddressFilter;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpSourceHardwareAddress;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddress;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetType;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.EthernetMatch;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.IpMatch;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Layer3Match;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Layer4Match;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.VlanMatch;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatch;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4Match;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv6Match;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.SctpMatch;
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.TcpMatch;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.UdpMatch;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.vlan.match.fields.VlanId;
 108
 109 import com.google.common.net.InetAddresses;
 110
 111 public class ToSalConversionsUtils {
 112
 113     private ToSalConversionsUtils() {
 114
 115     }
 116
 117     public static Flow toFlow(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow source) {
 118         final Flow target = new Flow();
 119
 120         Integer hardTimeout = source.getHardTimeout();
 121         if (hardTimeout != null) {
 122             target.setHardTimeout(hardTimeout.shortValue());
 123         }
 124
 125         Integer idleTimeout = source.getIdleTimeout();
 126         if (idleTimeout != null) {
 127             target.setIdleTimeout(idleTimeout.shortValue());
 128         }
 129
 130         Integer priority = source.getPriority();
 131         if (priority != null) {
 132             target.setPriority(priority.shortValue());
 133         }
 134
 135         target.setMatch(toMatch(source.getMatch()));
 136
 137         List<Action> actions = getAction(source);
 138         if (actions != null) {
 139             target.setActions(actionFrom(actions));
 140         }
 141
 142         target.setId(source.getCookie().longValue());
 143         return target;
 144     }
 145
 146     public static List<Action> getAction(
 147             org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow source) {
 148         if (source.getInstructions() != null) {
 149             for (Instruction instruction : source.getInstructions().getInstruction()) {
 150                 if (instruction.getInstruction() instanceof ApplyActionsCase) {
 151                     return (((ApplyActionsCase) instruction.getInstruction()).getApplyActions().getAction());
 152                 }
 153             }
 154         }
 155         // TODO Auto-generated method stub
 156         return Collections.emptyList();
 157     }
 158
 159     public static List<org.opendaylight.controller.sal.action.Action> actionFrom(List<Action> actions) {
 160         List<org.opendaylight.controller.sal.action.Action> targetAction = new ArrayList<>();
 161         for (Action action : actions) {
 162                 org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action sourceAction = action
 163                     .getAction();
 164
 165             if (sourceAction instanceof ControllerActionCase) {
 166                 targetAction.add(new Controller());
 167             } else if (sourceAction instanceof OutputActionCase) {
 168
 169                 Uri nodeConnector = ((OutputActionCase) sourceAction).getOutputAction().getOutputNodeConnector();
 170                 if (nodeConnector != null) {
 171                     //for (Uri uri : nodeConnectors) {
 172                         targetAction.add(new Output(fromNodeConnectorRef(nodeConnector)));
 173                     //}
 174                 }
 175             } else if (sourceAction instanceof PopMplsActionCase) {
 176                 // TODO: define maping
 177             } else if (sourceAction instanceof PushMplsActionCase) {
 178                 // TODO: define maping
 179             } else if (sourceAction instanceof PushPbbActionCase) {
 180                 // TODO: define maping
 181             } else if (sourceAction instanceof SetMplsTtlActionCase) {
 182                 // TODO: define maping
 183                 // targetAction = //no action to map
 184             } else if (sourceAction instanceof SetNwTtlActionCase) {
 185                 // TODO: define maping
 186             } else if (sourceAction instanceof SetQueueActionCase) {
 187                 // TODO: define maping
 188                 // targetAction = //no action to map
 189             } else if (sourceAction instanceof DropActionCase) {
 190                 targetAction.add(new Drop());
 191             } else if (sourceAction instanceof FloodActionCase) {
 192                 targetAction.add(new Flood());
 193             } else if (sourceAction instanceof FloodAllActionCase) {
 194                 targetAction.add(new FloodAll());
 195             } else if (sourceAction instanceof HwPathActionCase) {
 196                 targetAction.add(new HwPath());
 197             } else if (sourceAction instanceof LoopbackActionCase) {
 198                 targetAction.add(new Loopback());
 199             } else if (sourceAction instanceof PopVlanActionCase) {
 200                 targetAction.add(new PopVlan());
 201             } else if (sourceAction instanceof PushVlanActionCase) {
 202                 PushVlanActionCase pushVlanAction = (PushVlanActionCase) sourceAction;
 203                 PushVlan pushVlan = pushVlanFrom(pushVlanAction.getPushVlanAction());
 204                 if (pushVlan != null) {
 205                     targetAction.add(pushVlan);
 206                 }
 207             } else if (sourceAction instanceof SetDlDstActionCase) {
 208                 MacAddress addressL2Dest = ((SetDlDstActionCase) sourceAction).getSetDlDstAction().getAddress();
 209                 if (addressL2Dest != null) {
 210                     targetAction.add(new SetDlDst(bytesFrom(addressL2Dest)));
 211                 }
 212             } else if (sourceAction instanceof SetDlSrcActionCase) {
 213                 MacAddress addressL2Src = ((SetDlSrcActionCase) sourceAction).getSetDlSrcAction().getAddress();
 214                 if (addressL2Src != null) {
 215                     targetAction.add(new SetDlSrc(bytesFrom(addressL2Src)));
 216
 217                 }
 218             } else if (sourceAction instanceof SetDlTypeActionCase) {
 219                 EtherType dlType = ((SetDlTypeActionCase) sourceAction).getSetDlTypeAction().getDlType();
 220                 if (dlType != null) {
 221                     Long dlTypeValue = dlType.getValue();
 222                     if (dlTypeValue != null) {
 223                         targetAction.add(new SetDlType(dlTypeValue.intValue()));
 224                     }
 225                 }
 226             } else if (sourceAction instanceof SetNextHopActionCase) {
 227                 Address addressL3 = ((SetNextHopActionCase) sourceAction).getSetNextHopAction().getAddress();
 228
 229                 InetAddress inetAddress = inetAddressFrom(addressL3);
 230                 if (inetAddress != null) {
 231                     targetAction.add(new SetNextHop(inetAddress));
 232                 }
 233             } else if (sourceAction instanceof SetNwDstActionCase) {
 234                 Address addressL3 = ((SetNwDstActionCase) sourceAction).getSetNwDstAction().getAddress();
 235
 236                 InetAddress inetAddress = inetAddressFrom(addressL3);
 237                 if (inetAddress != null) {
 238                     targetAction.add(new SetNwDst(inetAddress));
 239                 }
 240             } else if (sourceAction instanceof SetNwSrcActionCase) {
 241                 Address addressL3 = ((SetNwSrcActionCase) sourceAction).getSetNwSrcAction().getAddress();
 242
 243                 InetAddress inetAddress = inetAddressFrom(addressL3);
 244                 if (inetAddress != null) {
 245                     targetAction.add(new SetNwSrc(inetAddress));
 246                 }
 247             } else if (sourceAction instanceof SetNwTosActionCase) {
 248                 Integer tos = ((SetNwTosActionCase) sourceAction).getSetNwTosAction().getTos();
 249                 if (tos != null) {
 250                     targetAction.add(new SetNwTos(tos));
 251                 }
 252             } else if (sourceAction instanceof SetTpDstActionCase) {
 253                 PortNumber port = ((SetTpDstActionCase) sourceAction).getSetTpDstAction().getPort();
 254                 if (port != null) {
 255                     Integer portValue = port.getValue();
 256                     if (port.getValue() != null) {
 257                         targetAction.add(new SetTpDst(portValue));
 258                     }
 259                 }
 260             } else if (sourceAction instanceof SetTpSrcActionCase) {
 261                 PortNumber port = ((SetTpSrcActionCase) sourceAction).getSetTpSrcAction().getPort();
 262                 if (port != null) {
 263                     Integer portValue = port.getValue();
 264                     if (port.getValue() != null) {
 265                         targetAction.add(new SetTpSrc(portValue));
 266                     }
 267                 }
 268             } else if (sourceAction instanceof SetVlanCfiActionCase) {
 269                 VlanCfi vlanCfi = ((SetVlanCfiActionCase) sourceAction).getSetVlanCfiAction().getVlanCfi();
 270                 if (vlanCfi != null) {
 271                     Integer vlanCfiValue = vlanCfi.getValue();
 272                     if (vlanCfiValue != null) {
 273                         targetAction.add(new SetVlanCfi(vlanCfiValue));
 274                     }
 275                 }
 276             } else if (sourceAction instanceof SetVlanIdActionCase) {
 277                 org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId vlanID = ((SetVlanIdActionCase) sourceAction).getSetVlanIdAction()
 278                         .getVlanId();
 279                 if (vlanID != null) {
 280                     Integer vlanIdValue = vlanID.getValue();
 281                     if (vlanIdValue != null) {
 282                         targetAction.add(new SetVlanId(vlanIdValue));
 283                     }
 284                 }
 285             } else if (sourceAction instanceof SetVlanPcpActionCase) {
 286                 VlanPcp vlanPcp = ((SetVlanPcpActionCase) sourceAction).getSetVlanPcpAction().getVlanPcp();
 287                 if (vlanPcp != null) {
 288                     Short vlanPcpValue = vlanPcp.getValue();
 289                     if (vlanPcpValue != null) {
 290                         targetAction.add(new SetVlanPcp(vlanPcpValue));
 291                     }
 292                 }
 293             } else if (sourceAction instanceof SwPathActionCase) {
 294                 targetAction.add(new SwPath());
 295             }
 296         }
 297
 298         return targetAction;
 299     }
 300
 301     private static InetAddress inetAddressFrom(Address addressL3) {
 302         if (addressL3 != null) {
 303             if (addressL3 instanceof Ipv4) {
 304                 Ipv4Prefix addressL3Ipv4 = ((Ipv4) addressL3).getIpv4Address();
 305                 if (addressL3Ipv4 != null) {
 306                     return inetAddressFrom(addressL3Ipv4);
 307                 }
 308             } else if (addressL3 instanceof Ipv6) {
 309                 Ipv6Prefix addressL3Ipv6 = ((Ipv6) addressL3).getIpv6Address();
 310                 if (addressL3Ipv6 != null) {
 311                     return inetAddressFrom(addressL3Ipv6);
 312                 }
 313             }
 314         }
 315         return null;
 316     }
 317
 318     private static PushVlan pushVlanFrom(org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.push.vlan.action._case.PushVlanAction pushVlanAction) {
 319         final int tag;
 320         final int pcp;
 321         final int cfi;
 322         final int vlanId;
 323
 324         if (pushVlanAction.getTag() != null) {
 325             tag = pushVlanAction.getTag();
 326             if (pushVlanAction.getPcp() != null) {
 327                 pcp = pushVlanAction.getPcp();
 328                 if (pushVlanAction.getCfi() != null && pushVlanAction.getCfi().getValue() != null) {
 329                     cfi = pushVlanAction.getCfi().getValue();
 330                     if (pushVlanAction.getVlanId() != null && pushVlanAction.getVlanId().getValue() != null) {
 331                         vlanId = pushVlanAction.getVlanId().getValue();
 332                         return new PushVlan(tag, pcp, cfi, vlanId);
 333                     }
 334                 }
 335             }
 336         }
 337         return null;
 338     }
 339
 340     private static NodeConnector fromNodeConnectorRef(Uri uri) {
 341         // TODO: Define mapping
 342         return null;
 343     }
 344
 345     public static Match toMatch(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match source) {
 346         Match target = new Match();
 347         if (source != null) {
 348             fillFrom(target, source.getVlanMatch());
 349             fillFrom(target, source.getEthernetMatch());
 350             fillFrom(target, source.getLayer3Match());
 351             fillFrom(target, source.getLayer4Match());
 352             fillFrom(target, source.getIpMatch());
 353         }
 354
 355         return target;
 356     }
 357
 358     private static void fillFrom(Match target, VlanMatch vlanMatch) {
 359         if (vlanMatch != null) {
 360             VlanId vlanId = vlanMatch.getVlanId();
 361             if (vlanId != null) {
 362                 org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId vlanIdInner = vlanId
 363                         .getVlanId();
 364                 if (vlanIdInner != null) {
 365                     Integer vlanValue = vlanIdInner.getValue();
 366                     if (vlanValue != null) {
 367                         target.setField(DL_VLAN, vlanValue.shortValue());
 368                     }
 369                 }
 370             }
 371             VlanPcp vlanPcp = vlanMatch.getVlanPcp();
 372             if (vlanPcp != null) {
 373                 Short vlanPcpValue = vlanPcp.getValue();
 374                 if (vlanPcpValue != null) {
 375                     target.setField(DL_VLAN_PR, vlanPcpValue.byteValue());
 376                 }
 377             }
 378         }
 379     }
 380
 381     private static void fillFrom(Match target, IpMatch ipMatch) {
 382         if (ipMatch != null) {
 383             Short ipProtocol = ipMatch.getIpProtocol();
 384
 385             if (ipProtocol != null && target.getField(NW_PROTO) == null) {
 386                 target.setField(NW_PROTO, ipProtocol.byteValue());
 387             }
 388             Dscp dscp = ipMatch.getIpDscp();
 389             if (dscp != null) {
 390                 Short dscpValue = dscp.getValue();
 391                 if (dscpValue != null) {
 392                     target.setField(NW_TOS, dscpValue.byteValue());
 393                 }
 394             }
 395         }
 396     }
 397
 398     private static void fillFrom(Match target, Layer4Match layer4Match) {
 399         if (layer4Match == null) {
 400             return;
 401         }
 402         if (layer4Match instanceof SctpMatch) {
 403             fillTransportLayer(target, (SctpMatch) layer4Match);
 404         } else if (layer4Match instanceof TcpMatch) {
 405             fillTransportLayer(target, (TcpMatch) layer4Match);
 406         } else if (layer4Match instanceof UdpMatch) {
 407             fillTransportLayer(target, (UdpMatch) layer4Match);
 408         }
 409     }
 410
 411     private static void fillTransportLayer(Match target, UdpMatch source) {
 412         PortNumber udpSourcePort = source.getUdpSourcePort();
 413         if (udpSourcePort != null) {
 414             Integer udpSourcePortValue = udpSourcePort.getValue();
 415             if (udpSourcePortValue != null) {
 416                 target.setField(TP_SRC, udpSourcePortValue.shortValue());
 417             }
 418         }
 419
 420         PortNumber udpDestPort = source.getUdpDestinationPort();
 421         if (udpDestPort != null) {
 422             Integer udpDestPortValue = udpDestPort.getValue();
 423             if (udpDestPortValue != null) {
 424                 target.setField(TP_DST, udpDestPortValue.shortValue());
 425             }
 426         }
 427
 428         target.setField(NW_PROTO, UDP);
 429     }
 430
 431     private static void fillTransportLayer(Match target, TcpMatch source) {
 432         PortNumber tcpSourcePort = source.getTcpSourcePort();
 433         if (tcpSourcePort != null) {
 434             Integer tcpSourcePortValue = tcpSourcePort.getValue();
 435             if (tcpSourcePortValue != null) {
 436                 target.setField(TP_SRC, tcpSourcePortValue.shortValue());
 437             }
 438         }
 439
 440         PortNumber tcpDestPort = source.getTcpDestinationPort();
 441         if (tcpDestPort != null) {
 442             Integer tcpDestPortValue = tcpDestPort.getValue();
 443             if (tcpDestPortValue != null) {
 444                 target.setField(TP_DST, tcpDestPortValue.shortValue());
 445             }
 446         }
 447
 448         target.setField(NW_PROTO, TCP);
 449     }
 450
 451     private static void fillTransportLayer(Match target, SctpMatch source) {
 452         PortNumber sctpSourcePort = source.getSctpSourcePort();
 453         if (sctpSourcePort != null) {
 454             Integer sctpSourcePortValue = sctpSourcePort.getValue();
 455             if (sctpSourcePortValue != null) {
 456                 target.setField(TP_SRC, sctpSourcePortValue.shortValue());
 457             }
 458         }
 459         PortNumber sctpDestPort = source.getSctpDestinationPort();
 460         if (sctpDestPort != null) {
 461             Integer sctpDestPortValue = sctpDestPort.getValue();
 462             if (sctpDestPortValue != null) {
 463                 target.setField(TP_DST, sctpDestPortValue.shortValue());
 464             }
 465         }
 466
 467         target.setField(NW_PROTO, CRUDP);
 468
 469     }
 470
 471     private static void fillFrom(Match target, Layer3Match source) {
 472         if (source == null)
 473             return;
 474         if (source instanceof Ipv4Match) {
 475             fillFromIpv4(target, (Ipv4Match) source);
 476         } else if (source instanceof Ipv6Match) {
 477             fillFromIpv6(target, (Ipv6Match) source);
 478         } else if (source instanceof ArpMatch) {
 479             fillFromArp(target, (ArpMatch) source);
 480         }
 481     }
 482
 483     private static void fillFromArp(Match target, ArpMatch source) {
 484         Ipv4Prefix sourceAddress = source.getArpSourceTransportAddress();
 485         if (sourceAddress != null) {
 486             target.setField(NW_SRC, inetAddressFrom(sourceAddress), null);
 487         }
 488         Ipv4Prefix destAddress = source.getArpTargetTransportAddress();
 489         if (destAddress != null) {
 490             target.setField(NW_DST, inetAddressFrom(destAddress), null);
 491         }
 492         ArpSourceHardwareAddress sourceHwAddress = source.getArpSourceHardwareAddress();
 493         if (sourceHwAddress != null) {
 494             target.setField(DL_SRC, bytesFrom(sourceHwAddress.getAddress()));
 495         }
 496         ArpTargetHardwareAddress targetHwAddress = source.getArpTargetHardwareAddress();
 497         if (targetHwAddress != null) {
 498             target.setField(DL_DST, bytesFrom(targetHwAddress.getAddress()));
 499         }
 500
 501         target.setField(DL_TYPE, new Short(ETHERNET_ARP));
 502
 503     }
 504
 505     private static void fillFromIpv6(Match target, Ipv6Match source) {
 506         Ipv6Prefix sourceAddress = source.getIpv6Source();
 507         if (sourceAddress != null) {
 508             target.setField(NW_SRC, inetAddressFrom(sourceAddress), null);
 509         }
 510         Ipv6Prefix destAddress = source.getIpv6Destination();
 511         if (destAddress != null) {
 512             target.setField(NW_DST, inetAddressFrom(destAddress), null);
 513         }
 514     }
 515
 516     private static void fillFromIpv4(Match target, Ipv4Match source) {
 517         Ipv4Prefix sourceAddress = source.getIpv4Source();
 518         if (sourceAddress != null) {
 519             target.setField(NW_SRC, inetAddressFrom(sourceAddress), null);
 520         }
 521         Ipv4Prefix destAddress = source.getIpv4Destination();
 522         if (destAddress != null) {
 523             target.setField(NW_DST, inetAddressFrom(destAddress), null);
 524         }
 525     }
 526
 527     private static InetAddress inetAddressFrom(Ipv4Prefix source) {
 528         if (source != null) {
 529             String[] parts = source.getValue().split("/");
 530             return InetAddresses.forString(parts[0]);
 531         }
 532         return null;
 533     }
 534
 535     private static InetAddress inetAddressFrom(Ipv6Prefix source) {
 536         if (source != null) {
 537             String[] parts = source.getValue().split("/");
 538             return InetAddresses.forString(parts[0]);
 539         }
 540         return null;
 541     }
 542
 543     private static void fillFrom(Match target, EthernetMatch source) {
 544         if (source == null)
 545             return;
 546         EthernetType ethType = source.getEthernetType();
 547         if (ethType != null) {
 548             EtherType ethInnerType = ethType.getType();
 549             if (ethInnerType != null && target.getField(DL_TYPE) == null) {
 550                 Long value = ethInnerType.getValue();
 551                 target.setField(DL_TYPE, value.shortValue());
 552             }
 553         }
 554
 555         MacAddressFilter ethSource = source.getEthernetSource();
 556         if (ethSource != null) {
 557             target.setField(DL_SRC, bytesFrom(ethSource.getAddress()));
 558         }
 559
 560         MacAddressFilter ethDest = source.getEthernetDestination();
 561         if (ethDest != null) {
 562             target.setField(DL_DST, bytesFrom(ethDest.getAddress()));
 563         }
 564     }
 565
 566     private static byte[] bytesFrom(MacAddress address) {
 567         String[] mac = address.getValue().split(":");
 568         byte[] macAddress = new byte[6]; // mac.length == 6 bytes
 569         for (int i = 0; i < mac.length; i++) {
 570             macAddress[i] = Integer.decode("0x" + mac[i]).byteValue();
 571         }
 572         return macAddress;
 573     }
 574 }