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

   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 static org.opendaylight.controller.sal.compatibility.ProtocolConstants.CRUDP;
  11 import static org.opendaylight.controller.sal.compatibility.ProtocolConstants.ETHERNET_ARP;
  12 import static org.opendaylight.controller.sal.compatibility.ProtocolConstants.TCP;
  13 import static org.opendaylight.controller.sal.compatibility.ProtocolConstants.UDP;
  14 import static org.opendaylight.controller.sal.match.MatchType.DL_DST;
  15 import static org.opendaylight.controller.sal.match.MatchType.DL_SRC;
  16 import static org.opendaylight.controller.sal.match.MatchType.DL_TYPE;
  17 import static org.opendaylight.controller.sal.match.MatchType.DL_VLAN;
  18 import static org.opendaylight.controller.sal.match.MatchType.DL_VLAN_PR;
  19 import static org.opendaylight.controller.sal.match.MatchType.NW_DST;
  20 import static org.opendaylight.controller.sal.match.MatchType.NW_PROTO;
  21 import static org.opendaylight.controller.sal.match.MatchType.NW_SRC;
  22 import static org.opendaylight.controller.sal.match.MatchType.NW_TOS;
  23 import static org.opendaylight.controller.sal.match.MatchType.TP_DST;
  24 import static org.opendaylight.controller.sal.match.MatchType.TP_SRC;
  25
  26 import java.net.InetAddress;
  27 import java.util.ArrayList;
  28 import java.util.Collections;
  29 import java.util.List;
  30
  31 import org.opendaylight.controller.sal.action.Controller;
  32 import org.opendaylight.controller.sal.action.Drop;
  33 import org.opendaylight.controller.sal.action.Flood;
  34 import org.opendaylight.controller.sal.action.FloodAll;
  35 import org.opendaylight.controller.sal.action.HwPath;
  36 import org.opendaylight.controller.sal.action.Loopback;
  37 import org.opendaylight.controller.sal.action.Output;
  38 import org.opendaylight.controller.sal.action.PopVlan;
  39 import org.opendaylight.controller.sal.action.PushVlan;
  40 import org.opendaylight.controller.sal.action.SetDlDst;
  41 import org.opendaylight.controller.sal.action.SetDlSrc;
  42 import org.opendaylight.controller.sal.action.SetDlType;
  43 import org.opendaylight.controller.sal.action.SetNextHop;
  44 import org.opendaylight.controller.sal.action.SetNwDst;
  45 import org.opendaylight.controller.sal.action.SetNwSrc;
  46 import org.opendaylight.controller.sal.action.SetNwTos;
  47 import org.opendaylight.controller.sal.action.SetTpDst;
  48 import org.opendaylight.controller.sal.action.SetTpSrc;
  49 import org.opendaylight.controller.sal.action.SetVlanCfi;
  50 import org.opendaylight.controller.sal.action.SetVlanId;
  51 import org.opendaylight.controller.sal.action.SetVlanPcp;
  52 import org.opendaylight.controller.sal.action.SwPath;
  53 import org.opendaylight.controller.sal.core.ConstructionException;
  54 import org.opendaylight.controller.sal.core.Node;
  55 import org.opendaylight.controller.sal.core.NodeConnector;
  56 import org.opendaylight.controller.sal.core.NodeConnector.NodeConnectorIDType;
  57 import org.opendaylight.controller.sal.flowprogrammer.Flow;
  58 import org.opendaylight.controller.sal.match.Match;
  59 import org.opendaylight.controller.sal.match.MatchType;
  60 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Dscp;
  61 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  62 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv6Prefix;
  63 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  64 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  65 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.VlanCfi;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.ControllerActionCase;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.DropActionCase;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.FloodActionCase;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.FloodAllActionCase;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.HwPathActionCase;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.LoopbackActionCase;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCase;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PopMplsActionCase;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PopVlanActionCase;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushMplsActionCase;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushPbbActionCase;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushVlanActionCase;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlDstActionCase;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlSrcActionCase;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetDlTypeActionCase;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetMplsTtlActionCase;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNextHopActionCase;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwDstActionCase;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwSrcActionCase;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwTosActionCase;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetNwTtlActionCase;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetQueueActionCase;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetTpDstActionCase;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetTpSrcActionCase;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanCfiActionCase;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanIdActionCase;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetVlanPcpActionCase;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SwPathActionCase;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.Address;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv4;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.address.address.Ipv6;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SwitchFlowRemoved;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.GenericFlowAttributes;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCase;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.EtherType;
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanPcp;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.MacAddressFilter;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpSourceHardwareAddress;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.arp.match.fields.ArpTargetHardwareAddress;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.ethernet.match.fields.EthernetType;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.EthernetMatch;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.IpMatch;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Layer3Match;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Layer4Match;
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.VlanMatch;
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.ArpMatch;
 116 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4Match;
 117 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv6Match;
 118 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.SctpMatch;
 119 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.TcpMatch;
 120 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.UdpMatch;
 121 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.vlan.match.fields.VlanId;
 122 import org.slf4j.Logger;
 123 import org.slf4j.LoggerFactory;
 124
 125 import com.google.common.net.InetAddresses;
 126
 127 public class ToSalConversionsUtils {
 128
 129     private static final Logger LOG = LoggerFactory.getLogger(ToSalConversionsUtils.class);
 130
 131     private ToSalConversionsUtils() {
 132
 133     }
 134
 135     public static Flow toFlow(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow source, Node node) {
 136         final Flow target = new Flow();
 137         genericFlowToAdFlow(source, target);
 138
 139         target.setMatch(toMatch(source.getMatch()));
 140
 141         List<Action> actions = getAction(source);
 142         if (actions != null) {
 143             target.setActions(actionFrom(actions, node));
 144         }
 145
 146         return target;
 147     }
 148
 149     /**
 150      * @param source notification, missing instructions
 151      * @param node corresponding node where the flow change occured
 152      * @return ad-sal node, build from given data
 153      */
 154     public static Flow toFlow(SwitchFlowRemoved source, Node node) {
 155         final Flow target = new Flow();
 156         genericFlowToAdFlow(source, target);
 157
 158         target.setMatch(toMatch(source.getMatch()));
 159
 160         return target;
 161     }
 162
 163     /**
 164      * @param source
 165      * @param target
 166      */
 167     private static void genericFlowToAdFlow(GenericFlowAttributes source,
 168             final Flow target) {
 169         Integer hardTimeout = source.getHardTimeout();
 170         if (hardTimeout != null) {
 171             target.setHardTimeout(hardTimeout.shortValue());
 172         }
 173
 174         Integer idleTimeout = source.getIdleTimeout();
 175         if (idleTimeout != null) {
 176             target.setIdleTimeout(idleTimeout.shortValue());
 177         }
 178
 179         Integer priority = source.getPriority();
 180         if (priority != null) {
 181             target.setPriority(priority.shortValue());
 182         }
 183         target.setId(source.getCookie().getValue().longValue());
 184     }
 185
 186     public static List<Action> getAction(
 187             org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow source) {
 188         if (source.getInstructions() != null) {
 189             for (Instruction instruction : source.getInstructions().getInstruction()) {
 190                 if (instruction.getInstruction() instanceof ApplyActionsCase) {
 191                     return (((ApplyActionsCase) instruction.getInstruction()).getApplyActions().getAction());
 192                 }
 193             }
 194         }
 195         // TODO Auto-generated method stub
 196         return Collections.emptyList();
 197     }
 198
 199     public static List<org.opendaylight.controller.sal.action.Action> actionFrom(List<Action> actions, Node node) {
 200         List<org.opendaylight.controller.sal.action.Action> targetAction = new ArrayList<>();
 201         for (Action action : actions) {
 202             org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action sourceAction = action
 203                     .getAction();
 204
 205             if (sourceAction instanceof ControllerActionCase) {
 206                 targetAction.add(new Controller());
 207             } else if (sourceAction instanceof OutputActionCase) {
 208
 209                 Uri nodeConnector = ((OutputActionCase) sourceAction).getOutputAction().getOutputNodeConnector();
 210                 if (nodeConnector != null) {
 211                     //for (Uri uri : nodeConnectors) {
 212                         targetAction.add(new Output(fromNodeConnectorRef(nodeConnector, node)));
 213                     //}
 214                 }
 215             } else if (sourceAction instanceof PopMplsActionCase) {
 216                 // TODO: define maping
 217             } else if (sourceAction instanceof PushMplsActionCase) {
 218                 // TODO: define maping
 219             } else if (sourceAction instanceof PushPbbActionCase) {
 220                 // TODO: define maping
 221             } else if (sourceAction instanceof SetMplsTtlActionCase) {
 222                 // TODO: define maping
 223                 // targetAction = //no action to map
 224             } else if (sourceAction instanceof SetNwTtlActionCase) {
 225                 // TODO: define maping
 226             } else if (sourceAction instanceof SetQueueActionCase) {
 227                 // TODO: define maping
 228                 // targetAction = //no action to map
 229             } else if (sourceAction instanceof DropActionCase) {
 230                 targetAction.add(new Drop());
 231             } else if (sourceAction instanceof FloodActionCase) {
 232                 targetAction.add(new Flood());
 233             } else if (sourceAction instanceof FloodAllActionCase) {
 234                 targetAction.add(new FloodAll());
 235             } else if (sourceAction instanceof HwPathActionCase) {
 236                 targetAction.add(new HwPath());
 237             } else if (sourceAction instanceof LoopbackActionCase) {
 238                 targetAction.add(new Loopback());
 239             } else if (sourceAction instanceof PopVlanActionCase) {
 240                 targetAction.add(new PopVlan());
 241             } else if (sourceAction instanceof PushVlanActionCase) {
 242                 PushVlanActionCase pushVlanAction = (PushVlanActionCase) sourceAction;
 243                 PushVlan pushVlan = pushVlanFrom(pushVlanAction.getPushVlanAction());
 244                 if (pushVlan != null) {
 245                     targetAction.add(pushVlan);
 246                 }
 247             } else if (sourceAction instanceof SetDlDstActionCase) {
 248                 MacAddress addressL2Dest = ((SetDlDstActionCase) sourceAction).getSetDlDstAction().getAddress();
 249                 if (addressL2Dest != null) {
 250                     targetAction.add(new SetDlDst(bytesFrom(addressL2Dest)));
 251                 }
 252             } else if (sourceAction instanceof SetDlSrcActionCase) {
 253                 MacAddress addressL2Src = ((SetDlSrcActionCase) sourceAction).getSetDlSrcAction().getAddress();
 254                 if (addressL2Src != null) {
 255                     targetAction.add(new SetDlSrc(bytesFrom(addressL2Src)));
 256
 257                 }
 258             } else if (sourceAction instanceof SetDlTypeActionCase) {
 259                 EtherType dlType = ((SetDlTypeActionCase) sourceAction).getSetDlTypeAction().getDlType();
 260                 if (dlType != null) {
 261                     Long dlTypeValue = dlType.getValue();
 262                     if (dlTypeValue != null) {
 263                         targetAction.add(new SetDlType(dlTypeValue.intValue()));
 264                     }
 265                 }
 266             } else if (sourceAction instanceof SetNextHopActionCase) {
 267                 Address addressL3 = ((SetNextHopActionCase) sourceAction).getSetNextHopAction().getAddress();
 268
 269                 InetAddress inetAddress = inetAddressFrom(addressL3);
 270                 if (inetAddress != null) {
 271                     targetAction.add(new SetNextHop(inetAddress));
 272                 }
 273             } else if (sourceAction instanceof SetNwDstActionCase) {
 274                 Address addressL3 = ((SetNwDstActionCase) sourceAction).getSetNwDstAction().getAddress();
 275
 276                 InetAddress inetAddress = inetAddressFrom(addressL3);
 277                 if (inetAddress != null) {
 278                     targetAction.add(new SetNwDst(inetAddress));
 279                 }
 280             } else if (sourceAction instanceof SetNwSrcActionCase) {
 281                 Address addressL3 = ((SetNwSrcActionCase) sourceAction).getSetNwSrcAction().getAddress();
 282
 283                 InetAddress inetAddress = inetAddressFrom(addressL3);
 284                 if (inetAddress != null) {
 285                     targetAction.add(new SetNwSrc(inetAddress));
 286                 }
 287             } else if (sourceAction instanceof SetNwTosActionCase) {
 288                 Integer tos = ((SetNwTosActionCase) sourceAction).getSetNwTosAction().getTos();
 289                 if (tos != null) {
 290                     targetAction.add(new SetNwTos(tos));
 291                 }
 292             } else if (sourceAction instanceof SetTpDstActionCase) {
 293                 PortNumber port = ((SetTpDstActionCase) sourceAction).getSetTpDstAction().getPort();
 294                 if (port != null) {
 295                     Integer portValue = port.getValue();
 296                     if (port.getValue() != null) {
 297                         targetAction.add(new SetTpDst(portValue));
 298                     }
 299                 }
 300             } else if (sourceAction instanceof SetTpSrcActionCase) {
 301                 PortNumber port = ((SetTpSrcActionCase) sourceAction).getSetTpSrcAction().getPort();
 302                 if (port != null) {
 303                     Integer portValue = port.getValue();
 304                     if (port.getValue() != null) {
 305                         targetAction.add(new SetTpSrc(portValue));
 306                     }
 307                 }
 308             } else if (sourceAction instanceof SetVlanCfiActionCase) {
 309                 VlanCfi vlanCfi = ((SetVlanCfiActionCase) sourceAction).getSetVlanCfiAction().getVlanCfi();
 310                 if (vlanCfi != null) {
 311                     Integer vlanCfiValue = vlanCfi.getValue();
 312                     if (vlanCfiValue != null) {
 313                         targetAction.add(new SetVlanCfi(vlanCfiValue));
 314                     }
 315                 }
 316             } else if (sourceAction instanceof SetVlanIdActionCase) {
 317                 org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId vlanID = ((SetVlanIdActionCase) sourceAction).getSetVlanIdAction()
 318                         .getVlanId();
 319                 if (vlanID != null) {
 320                     Integer vlanIdValue = vlanID.getValue();
 321                     if (vlanIdValue != null) {
 322                         targetAction.add(new SetVlanId(vlanIdValue));
 323                     }
 324                 }
 325             } else if (sourceAction instanceof SetVlanPcpActionCase) {
 326                 VlanPcp vlanPcp = ((SetVlanPcpActionCase) sourceAction).getSetVlanPcpAction().getVlanPcp();
 327                 if (vlanPcp != null) {
 328                     Short vlanPcpValue = vlanPcp.getValue();
 329                     if (vlanPcpValue != null) {
 330                         targetAction.add(new SetVlanPcp(vlanPcpValue));
 331                     }
 332                 }
 333             } else if (sourceAction instanceof SwPathActionCase) {
 334                 targetAction.add(new SwPath());
 335             }
 336         }
 337
 338         return targetAction;
 339     }
 340
 341     private static InetAddress inetAddressFrom(Address addressL3) {
 342         if (addressL3 != null) {
 343             if (addressL3 instanceof Ipv4) {
 344                 Ipv4Prefix addressL3Ipv4 = ((Ipv4) addressL3).getIpv4Address();
 345                 if (addressL3Ipv4 != null) {
 346                     return inetAddressFrom(addressL3Ipv4);
 347                 }
 348             } else if (addressL3 instanceof Ipv6) {
 349                 Ipv6Prefix addressL3Ipv6 = ((Ipv6) addressL3).getIpv6Address();
 350                 if (addressL3Ipv6 != null) {
 351                     return inetAddressFrom(addressL3Ipv6);
 352                 }
 353             }
 354         }
 355         return null;
 356     }
 357
 358     private static PushVlan pushVlanFrom(org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.push.vlan.action._case.PushVlanAction pushVlanAction) {
 359         final int tag;
 360         final int pcp;
 361         final int cfi;
 362         final int vlanId;
 363
 364         if (pushVlanAction.getTag() != null) {
 365             tag = pushVlanAction.getTag();
 366             if (pushVlanAction.getPcp() != null) {
 367                 pcp = pushVlanAction.getPcp();
 368                 if (pushVlanAction.getCfi() != null && pushVlanAction.getCfi().getValue() != null) {
 369                     cfi = pushVlanAction.getCfi().getValue();
 370                     if (pushVlanAction.getVlanId() != null && pushVlanAction.getVlanId().getValue() != null) {
 371                         vlanId = pushVlanAction.getVlanId().getValue();
 372                         return new PushVlan(tag, pcp, cfi, vlanId);
 373                     }
 374                 }
 375             }
 376         }
 377         return null;
 378     }
 379
 380     /**
 381      * @param openflow nodeConnector uri
 382      * @param node
 383      * @return assembled nodeConnector
 384      */
 385     public static NodeConnector fromNodeConnectorRef(Uri uri, Node node) {
 386         NodeConnector nodeConnector = null;
 387         try {
 388             nodeConnector = new NodeConnector(NodeConnectorIDType.OPENFLOW,
 389                     Short.valueOf(uri.getValue()), node);
 390         } catch (ConstructionException e) {
 391             e.printStackTrace();
 392         }
 393         return nodeConnector;
 394     }
 395
 396     public static Match toMatch(org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.Match source) {
 397         Match target = new Match();
 398         if (source != null) {
 399             fillFrom(target, source.getVlanMatch());
 400             fillFrom(target, source.getEthernetMatch());
 401             fillFrom(target, source.getLayer3Match());
 402             fillFrom(target, source.getLayer4Match());
 403             fillFrom(target, source.getIpMatch());
 404             fillFrom(target, source.getInPort());
 405         }
 406
 407         return target;
 408     }
 409
 410     /**
 411      * @param target
 412      * @param inPort
 413      */
 414     private static void fillFrom(Match target, NodeConnectorId inPort) {
 415         if (inPort != null) {
 416             String inPortValue = inPort.getValue();
 417             if (inPortValue != null) {
 418                 try {
 419                     target.setField(MatchType.IN_PORT, NodeMapping.toADNodeConnector(inPort,
 420                             NodeMapping.toAdNodeId(inPort)));
 421                 } catch (ConstructionException e) {
 422                     LOG.warn("nodeConnector construction failed", e);
 423                 }
 424             }
 425         }
 426     }
 427
 428     private static void fillFrom(Match target, VlanMatch vlanMatch) {
 429         if (vlanMatch != null) {
 430             VlanId vlanId = vlanMatch.getVlanId();
 431             if (vlanId != null) {
 432                 org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId vlanIdInner = vlanId
 433                         .getVlanId();
 434                 if (vlanIdInner != null) {
 435                     Integer vlanValue = vlanIdInner.getValue();
 436                     if (vlanValue != null) {
 437                         target.setField(DL_VLAN, vlanValue.shortValue());
 438                     }
 439                 }
 440             }
 441             VlanPcp vlanPcp = vlanMatch.getVlanPcp();
 442             if (vlanPcp != null) {
 443                 Short vlanPcpValue = vlanPcp.getValue();
 444                 if (vlanPcpValue != null) {
 445                     target.setField(DL_VLAN_PR, vlanPcpValue.byteValue());
 446                 }
 447             }
 448         }
 449     }
 450
 451     private static void fillFrom(Match target, IpMatch ipMatch) {
 452         if (ipMatch != null) {
 453             Short ipProtocol = ipMatch.getIpProtocol();
 454
 455             if (ipProtocol != null && target.getField(NW_PROTO) == null) {
 456                 target.setField(NW_PROTO, ipProtocol.byteValue());
 457             }
 458             Dscp dscp = ipMatch.getIpDscp();
 459             if (dscp != null) {
 460                 Short dscpValue = dscp.getValue();
 461                 if (dscpValue != null) {
 462                     target.setField(NW_TOS, dscpValue.byteValue());
 463                 }
 464             }
 465         }
 466     }
 467
 468     private static void fillFrom(Match target, Layer4Match layer4Match) {
 469         if (layer4Match == null) {
 470             return;
 471         }
 472         if (layer4Match instanceof SctpMatch) {
 473             fillTransportLayer(target, (SctpMatch) layer4Match);
 474         } else if (layer4Match instanceof TcpMatch) {
 475             fillTransportLayer(target, (TcpMatch) layer4Match);
 476         } else if (layer4Match instanceof UdpMatch) {
 477             fillTransportLayer(target, (UdpMatch) layer4Match);
 478         }
 479     }
 480
 481     private static void fillTransportLayer(Match target, UdpMatch source) {
 482         PortNumber udpSourcePort = source.getUdpSourcePort();
 483         if (udpSourcePort != null) {
 484             Integer udpSourcePortValue = udpSourcePort.getValue();
 485             if (udpSourcePortValue != null) {
 486                 target.setField(TP_SRC, udpSourcePortValue.shortValue());
 487             }
 488         }
 489
 490         PortNumber udpDestPort = source.getUdpDestinationPort();
 491         if (udpDestPort != null) {
 492             Integer udpDestPortValue = udpDestPort.getValue();
 493             if (udpDestPortValue != null) {
 494                 target.setField(TP_DST, udpDestPortValue.shortValue());
 495             }
 496         }
 497
 498         target.setField(NW_PROTO, UDP);
 499     }
 500
 501     private static void fillTransportLayer(Match target, TcpMatch source) {
 502         PortNumber tcpSourcePort = source.getTcpSourcePort();
 503         if (tcpSourcePort != null) {
 504             Integer tcpSourcePortValue = tcpSourcePort.getValue();
 505             if (tcpSourcePortValue != null) {
 506                 target.setField(TP_SRC, tcpSourcePortValue.shortValue());
 507             }
 508         }
 509
 510         PortNumber tcpDestPort = source.getTcpDestinationPort();
 511         if (tcpDestPort != null) {
 512             Integer tcpDestPortValue = tcpDestPort.getValue();
 513             if (tcpDestPortValue != null) {
 514                 target.setField(TP_DST, tcpDestPortValue.shortValue());
 515             }
 516         }
 517
 518         target.setField(NW_PROTO, TCP);
 519     }
 520
 521     private static void fillTransportLayer(Match target, SctpMatch source) {
 522         PortNumber sctpSourcePort = source.getSctpSourcePort();
 523         if (sctpSourcePort != null) {
 524             Integer sctpSourcePortValue = sctpSourcePort.getValue();
 525             if (sctpSourcePortValue != null) {
 526                 target.setField(TP_SRC, sctpSourcePortValue.shortValue());
 527             }
 528         }
 529         PortNumber sctpDestPort = source.getSctpDestinationPort();
 530         if (sctpDestPort != null) {
 531             Integer sctpDestPortValue = sctpDestPort.getValue();
 532             if (sctpDestPortValue != null) {
 533                 target.setField(TP_DST, sctpDestPortValue.shortValue());
 534             }
 535         }
 536
 537         target.setField(NW_PROTO, CRUDP);
 538
 539     }
 540
 541     private static void fillFrom(Match target, Layer3Match source) {
 542         if (source == null)
 543             return;
 544         if (source instanceof Ipv4Match) {
 545             fillFromIpv4(target, (Ipv4Match) source);
 546         } else if (source instanceof Ipv6Match) {
 547             fillFromIpv6(target, (Ipv6Match) source);
 548         } else if (source instanceof ArpMatch) {
 549             fillFromArp(target, (ArpMatch) source);
 550         }
 551     }
 552
 553     private static void fillFromArp(Match target, ArpMatch source) {
 554         Ipv4Prefix sourceAddress = source.getArpSourceTransportAddress();
 555         if (sourceAddress != null) {
 556             target.setField(NW_SRC, inetAddressFrom(sourceAddress), null);
 557         }
 558         Ipv4Prefix destAddress = source.getArpTargetTransportAddress();
 559         if (destAddress != null) {
 560             target.setField(NW_DST, inetAddressFrom(destAddress), null);
 561         }
 562         ArpSourceHardwareAddress sourceHwAddress = source.getArpSourceHardwareAddress();
 563         if (sourceHwAddress != null) {
 564             target.setField(DL_SRC, bytesFrom(sourceHwAddress.getAddress()));
 565         }
 566         ArpTargetHardwareAddress targetHwAddress = source.getArpTargetHardwareAddress();
 567         if (targetHwAddress != null) {
 568             target.setField(DL_DST, bytesFrom(targetHwAddress.getAddress()));
 569         }
 570
 571         target.setField(DL_TYPE, new Short(ETHERNET_ARP));
 572
 573     }
 574
 575     private static void fillFromIpv6(Match target, Ipv6Match source) {
 576         Ipv6Prefix sourceAddress = source.getIpv6Source();
 577         if (sourceAddress != null) {
 578             target.setField(NW_SRC, inetAddressFrom(sourceAddress), null);
 579         }
 580         Ipv6Prefix destAddress = source.getIpv6Destination();
 581         if (destAddress != null) {
 582             target.setField(NW_DST, inetAddressFrom(destAddress), null);
 583         }
 584     }
 585
 586     private static void fillFromIpv4(Match target, Ipv4Match source) {
 587         Ipv4Prefix sourceAddress = source.getIpv4Source();
 588         if (sourceAddress != null) {
 589             target.setField(NW_SRC, inetAddressFrom(sourceAddress), null);
 590         }
 591         Ipv4Prefix destAddress = source.getIpv4Destination();
 592         if (destAddress != null) {
 593             target.setField(NW_DST, inetAddressFrom(destAddress), null);
 594         }
 595     }
 596
 597     private static InetAddress inetAddressFrom(Ipv4Prefix source) {
 598         if (source != null) {
 599             String[] parts = source.getValue().split("/");
 600             return InetAddresses.forString(parts[0]);
 601         }
 602         return null;
 603     }
 604
 605     private static InetAddress inetAddressFrom(Ipv6Prefix source) {
 606         if (source != null) {
 607             String[] parts = source.getValue().split("/");
 608             return InetAddresses.forString(parts[0]);
 609         }
 610         return null;
 611     }
 612
 613     private static void fillFrom(Match target, EthernetMatch source) {
 614         if (source == null)
 615             return;
 616         EthernetType ethType = source.getEthernetType();
 617         if (ethType != null) {
 618             EtherType ethInnerType = ethType.getType();
 619             if (ethInnerType != null && target.getField(DL_TYPE) == null) {
 620                 Long value = ethInnerType.getValue();
 621                 target.setField(DL_TYPE, value.shortValue());
 622             }
 623         }
 624
 625         MacAddressFilter ethSource = source.getEthernetSource();
 626         if (ethSource != null) {
 627             target.setField(DL_SRC, bytesFrom(ethSource.getAddress()));
 628         }
 629
 630         MacAddressFilter ethDest = source.getEthernetDestination();
 631         if (ethDest != null) {
 632             target.setField(DL_DST, bytesFrom(ethDest.getAddress()));
 633         }
 634     }
 635
 636     public static byte[] bytesFrom(MacAddress address) {
 637         String[] mac = address.getValue().split(":");
 638         byte[] macAddress = new byte[6]; // mac.length == 6 bytes
 639         for (int i = 0; i < mac.length; i++) {
 640             macAddress[i] = Integer.decode("0x" + mac[i]).byteValue();
 641         }
 642         return macAddress;
 643     }
 644
 645     public static byte[] bytesFromDpid(long dpid) {
 646         byte[] mac = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 647
 648         for (short i = 0; i < 6; i++) {
 649             mac[5 - i] = (byte) dpid;
 650             dpid >>= 8;
 651         }
 652
 653         return mac;
 654     }
 655 }