opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/internal/FlowConverter.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.protocol_plugin.openflow.internal;
  11
  12 import java.math.BigInteger;
  13 import java.net.InetAddress;
  14 import java.net.UnknownHostException;
  15 import java.util.ArrayList;
  16 import java.util.List;
  17
  18 import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6FlowMod;
  19 import org.opendaylight.controller.protocol_plugin.openflow.vendorextension.v6extension.V6Match;
  20 import org.openflow.protocol.OFFlowMod;
  21 import org.openflow.protocol.OFMatch;
  22 import org.openflow.protocol.OFMessage;
  23 import org.openflow.protocol.OFPacketOut;
  24 import org.openflow.protocol.OFPort;
  25 import org.openflow.protocol.OFVendor;
  26 import org.openflow.protocol.action.OFAction;
  27 import org.openflow.protocol.action.OFActionDataLayerDestination;
  28 import org.openflow.protocol.action.OFActionDataLayerSource;
  29 import org.openflow.protocol.action.OFActionNetworkLayerAddress;
  30 import org.openflow.protocol.action.OFActionNetworkLayerDestination;
  31 import org.openflow.protocol.action.OFActionNetworkLayerSource;
  32 import org.openflow.protocol.action.OFActionNetworkTypeOfService;
  33 import org.openflow.protocol.action.OFActionOutput;
  34 import org.openflow.protocol.action.OFActionStripVirtualLan;
  35 import org.openflow.protocol.action.OFActionTransportLayer;
  36 import org.openflow.protocol.action.OFActionTransportLayerDestination;
  37 import org.openflow.protocol.action.OFActionTransportLayerSource;
  38 import org.openflow.protocol.action.OFActionVirtualLanIdentifier;
  39 import org.openflow.protocol.action.OFActionVirtualLanPriorityCodePoint;
  40 import org.openflow.util.U16;
  41 import org.openflow.util.U32;
  42
  43 import org.opendaylight.controller.sal.action.Action;
  44 import org.opendaylight.controller.sal.action.ActionType;
  45 import org.opendaylight.controller.sal.action.Controller;
  46 import org.opendaylight.controller.sal.action.Drop;
  47 import org.opendaylight.controller.sal.action.Flood;
  48 import org.opendaylight.controller.sal.action.FloodAll;
  49 import org.opendaylight.controller.sal.action.HwPath;
  50 import org.opendaylight.controller.sal.action.Loopback;
  51 import org.opendaylight.controller.sal.action.Output;
  52 import org.opendaylight.controller.sal.action.PopVlan;
  53 import org.opendaylight.controller.sal.action.SetDlDst;
  54 import org.opendaylight.controller.sal.action.SetDlSrc;
  55 import org.opendaylight.controller.sal.action.SetNwDst;
  56 import org.opendaylight.controller.sal.action.SetNwSrc;
  57 import org.opendaylight.controller.sal.action.SetNwTos;
  58 import org.opendaylight.controller.sal.action.SetTpDst;
  59 import org.opendaylight.controller.sal.action.SetTpSrc;
  60 import org.opendaylight.controller.sal.action.SetVlanId;
  61 import org.opendaylight.controller.sal.action.SetVlanPcp;
  62 import org.opendaylight.controller.sal.action.SwPath;
  63 import org.opendaylight.controller.sal.core.Node;
  64 import org.opendaylight.controller.sal.core.NodeConnector;
  65 import org.opendaylight.controller.sal.flowprogrammer.Flow;
  66 import org.opendaylight.controller.sal.match.Match;
  67 import org.opendaylight.controller.sal.match.MatchField;
  68 import org.opendaylight.controller.sal.match.MatchType;
  69 import org.opendaylight.controller.sal.utils.NetUtils;
  70 import org.opendaylight.controller.sal.utils.NodeConnectorCreator;
  71
  72 /**
  73  * Utility class for converting a SAL Flow into the OF flow and vice-versa
  74  *
  75  *
  76  *
  77  */
  78 public class FlowConverter {
  79     private Flow flow; // SAL Flow
  80     private OFMatch ofMatch; // OF 1.0 match or OF 1.0 + IPv6 extension match
  81     private List<OFAction> actionsList; // OF 1.0 actions
  82     private int actionsLength;
  83     private boolean isIPv6;
  84
  85     public FlowConverter(OFMatch ofMatch, List<OFAction> actionsList) {
  86         this.ofMatch = ofMatch;
  87         this.actionsList = actionsList;
  88         this.actionsLength = 0;
  89         this.flow = null;
  90         this.isIPv6 = ofMatch instanceof V6Match;
  91     }
  92
  93     public FlowConverter(Flow flow) {
  94         this.ofMatch = null;
  95         this.actionsList = null;
  96         this.actionsLength = 0;
  97         this.flow = flow;
  98         this.isIPv6 = flow.isIPv6();
  99     }
 100
 101     /**
 102      * Returns the match in OF 1.0 (OFMatch) form or OF 1.0 + IPv6 extensions form (V6Match)
 103      *
 104      * @return
 105      */
 106     public OFMatch getOFMatch() {
 107         if (ofMatch == null) {
 108             Match match = flow.getMatch();
 109             ofMatch = (isIPv6) ? new V6Match() : new OFMatch();
 110
 111             int wildcards = OFMatch.OFPFW_ALL;
 112             if (match.isPresent(MatchType.IN_PORT)) {
 113                 short port = (Short) ((NodeConnector) match.getField(
 114                         MatchType.IN_PORT).getValue()).getID();
 115                 if (!isIPv6) {
 116                     ofMatch.setInputPort(port);
 117                     wildcards &= ~OFMatch.OFPFW_IN_PORT;
 118                 } else {
 119                     ((V6Match) ofMatch).setInputPort(port, (short) 0);
 120                 }
 121             }
 122             if (match.isPresent(MatchType.DL_SRC)) {
 123                 byte[] srcMac = (byte[]) match.getField(MatchType.DL_SRC)
 124                         .getValue();
 125                 if (!isIPv6) {
 126                     ofMatch.setDataLayerSource(srcMac.clone());
 127                     wildcards &= ~OFMatch.OFPFW_DL_SRC;
 128                 } else {
 129                     ((V6Match) ofMatch).setDataLayerSource(srcMac, null);
 130                 }
 131             }
 132             if (match.isPresent(MatchType.DL_DST)) {
 133                 byte[] dstMac = (byte[]) match.getField(MatchType.DL_DST)
 134                         .getValue();
 135                 if (!isIPv6) {
 136                     ofMatch.setDataLayerDestination(dstMac.clone());
 137                     wildcards &= ~OFMatch.OFPFW_DL_DST;
 138                 } else {
 139                     ((V6Match) ofMatch).setDataLayerDestination(dstMac, null);
 140                 }
 141             }
 142             if (match.isPresent(MatchType.DL_VLAN)) {
 143                 short vlan = (Short) match.getField(MatchType.DL_VLAN)
 144                         .getValue();
 145                 if (!isIPv6) {
 146                     ofMatch.setDataLayerVirtualLan(vlan);
 147                     wildcards &= ~OFMatch.OFPFW_DL_VLAN;
 148                 } else {
 149                     ((V6Match) ofMatch).setDataLayerVirtualLan(vlan, (short) 0);
 150                 }
 151             }
 152             if (match.isPresent(MatchType.DL_VLAN_PR)) {
 153                 byte vlanPr = (Byte) match.getField(MatchType.DL_VLAN_PR)
 154                         .getValue();
 155                 if (!isIPv6) {
 156                     ofMatch.setDataLayerVirtualLanPriorityCodePoint(vlanPr);
 157                     wildcards &= ~OFMatch.OFPFW_DL_VLAN_PCP;
 158                 } else {
 159                     ((V6Match) ofMatch)
 160                             .setDataLayerVirtualLanPriorityCodePoint(vlanPr,
 161                                     (byte) 0);
 162                 }
 163             }
 164             if (match.isPresent(MatchType.DL_TYPE)) {
 165                 short ethType = (Short) match.getField(MatchType.DL_TYPE)
 166                         .getValue();
 167                 if (!isIPv6) {
 168                     ofMatch.setDataLayerType(ethType);
 169                     wildcards &= ~OFMatch.OFPFW_DL_TYPE;
 170                 } else {
 171                     ((V6Match) ofMatch).setDataLayerType(ethType, (short) 0);
 172                 }
 173             }
 174             if (match.isPresent(MatchType.NW_TOS)) {
 175                 /*
 176                  *  OF 1.0 switch expects the TOS as the 6 msb in the byte.
 177                  *  it is actually the DSCP field followed by a zero ECN
 178                  */
 179                 byte tos = (Byte) match.getField(MatchType.NW_TOS).getValue();
 180                 byte dscp = (byte)((int)tos << 2);
 181                 if (!isIPv6) {
 182                     ofMatch.setNetworkTypeOfService(dscp);
 183                     wildcards &= ~OFMatch.OFPFW_NW_TOS;
 184                 } else {
 185                     ((V6Match) ofMatch).setNetworkTypeOfService(dscp, (byte) 0);
 186                 }
 187             }
 188             if (match.isPresent(MatchType.NW_PROTO)) {
 189                 byte proto = (Byte) match.getField(MatchType.NW_PROTO)
 190                         .getValue();
 191                 if (!isIPv6) {
 192                     ofMatch.setNetworkProtocol(proto);
 193                     wildcards &= ~OFMatch.OFPFW_NW_PROTO;
 194                 } else {
 195                     ((V6Match) ofMatch).setNetworkProtocol(proto, (byte) 0);
 196                 }
 197             }
 198             if (match.isPresent(MatchType.NW_SRC)) {
 199                 InetAddress address = (InetAddress) match.getField(
 200                         MatchType.NW_SRC).getValue();
 201                 InetAddress mask = (InetAddress) match.getField(
 202                         MatchType.NW_SRC).getMask();
 203                 if (!isIPv6) {
 204                     ofMatch.setNetworkSource(NetUtils.byteArray4ToInt(address
 205                             .getAddress()));
 206                     int maskLength = NetUtils
 207                             .getSubnetMaskLength((mask == null) ? null : mask
 208                                     .getAddress());
 209                     wildcards = (wildcards & ~OFMatch.OFPFW_NW_SRC_MASK)
 210                             | (maskLength << OFMatch.OFPFW_NW_SRC_SHIFT);
 211                 } else {
 212                     ((V6Match) ofMatch).setNetworkSource(address, mask);
 213                 }
 214             }
 215             if (match.isPresent(MatchType.NW_DST)) {
 216                 InetAddress address = (InetAddress) match.getField(
 217                         MatchType.NW_DST).getValue();
 218                 InetAddress mask = (InetAddress) match.getField(
 219                         MatchType.NW_DST).getMask();
 220                 if (!isIPv6) {
 221                     ofMatch.setNetworkDestination(NetUtils
 222                             .byteArray4ToInt(address.getAddress()));
 223                     int maskLength = NetUtils
 224                             .getSubnetMaskLength((mask == null) ? null : mask
 225                                     .getAddress());
 226                     wildcards = (wildcards & ~OFMatch.OFPFW_NW_DST_MASK)
 227                             | (maskLength << OFMatch.OFPFW_NW_DST_SHIFT);
 228                 } else {
 229                     ((V6Match) ofMatch).setNetworkDestination(address, mask);
 230                 }
 231             }
 232             if (match.isPresent(MatchType.TP_SRC)) {
 233                 short port = (Short) match.getField(MatchType.TP_SRC)
 234                         .getValue();
 235                 if (!isIPv6) {
 236                     ofMatch.setTransportSource(port);
 237                     wildcards &= ~OFMatch.OFPFW_TP_SRC;
 238                 } else {
 239                     ((V6Match) ofMatch).setTransportSource(port, (short) 0);
 240                 }
 241             }
 242             if (match.isPresent(MatchType.TP_DST)) {
 243                 short port = (Short) match.getField(MatchType.TP_DST)
 244                         .getValue();
 245                 if (!isIPv6) {
 246                     ofMatch.setTransportDestination(port);
 247                     wildcards &= ~OFMatch.OFPFW_TP_DST;
 248                 } else {
 249                     ((V6Match) ofMatch)
 250                             .setTransportDestination(port, (short) 0);
 251                 }
 252             }
 253
 254             if (!isIPv6) {
 255                 ofMatch.setWildcards(U32.t(Long.valueOf(wildcards)));
 256             }
 257         }
 258
 259         return ofMatch;
 260     }
 261
 262     /**
 263      * Returns the list of actions in OF 1.0 form
 264      * @return
 265      */
 266     public List<OFAction> getOFActions() {
 267         if (this.actionsList == null) {
 268             actionsList = new ArrayList<OFAction>();
 269             for (Action action : flow.getActions()) {
 270                 if (action.getType() == ActionType.OUTPUT) {
 271                     Output a = (Output) action;
 272                     OFActionOutput ofAction = new OFActionOutput();
 273                     ofAction.setMaxLength((short) 0xffff);
 274                     ofAction.setPort(PortConverter.toOFPort(a.getPort()));
 275                     actionsList.add(ofAction);
 276                     actionsLength += OFActionOutput.MINIMUM_LENGTH;
 277                     continue;
 278                 }
 279                 if (action.getType() == ActionType.DROP) {
 280                     continue;
 281                 }
 282                 if (action.getType() == ActionType.LOOPBACK) {
 283                     OFActionOutput ofAction = new OFActionOutput();
 284                     ofAction.setPort(OFPort.OFPP_IN_PORT.getValue());
 285                     actionsList.add(ofAction);
 286                     actionsLength += OFActionOutput.MINIMUM_LENGTH;
 287                     continue;
 288                 }
 289                 if (action.getType() == ActionType.FLOOD) {
 290                     OFActionOutput ofAction = new OFActionOutput();
 291                     ofAction.setPort(OFPort.OFPP_FLOOD.getValue());
 292                     actionsList.add(ofAction);
 293                     actionsLength += OFActionOutput.MINIMUM_LENGTH;
 294                     continue;
 295                 }
 296                 if (action.getType() == ActionType.FLOOD_ALL) {
 297                     OFActionOutput ofAction = new OFActionOutput();
 298                     ofAction.setPort(OFPort.OFPP_ALL.getValue());
 299                     actionsList.add(ofAction);
 300                     actionsLength += OFActionOutput.MINIMUM_LENGTH;
 301                     continue;
 302                 }
 303                 if (action.getType() == ActionType.CONTROLLER) {
 304                     OFActionOutput ofAction = new OFActionOutput();
 305                     ofAction.setPort(OFPort.OFPP_CONTROLLER.getValue());
 306                     // We want the whole frame hitting the match be sent to the controller
 307                     ofAction.setMaxLength((short) 0xffff);
 308                     actionsList.add(ofAction);
 309                     actionsLength += OFActionOutput.MINIMUM_LENGTH;
 310                     continue;
 311                 }
 312                 if (action.getType() == ActionType.SW_PATH) {
 313                     OFActionOutput ofAction = new OFActionOutput();
 314                     ofAction.setPort(OFPort.OFPP_LOCAL.getValue());
 315                     actionsList.add(ofAction);
 316                     actionsLength += OFActionOutput.MINIMUM_LENGTH;
 317                     continue;
 318                 }
 319                 if (action.getType() == ActionType.HW_PATH) {
 320                     OFActionOutput ofAction = new OFActionOutput();
 321                     ofAction.setPort(OFPort.OFPP_NORMAL.getValue());
 322                     actionsList.add(ofAction);
 323                     actionsLength += OFActionOutput.MINIMUM_LENGTH;
 324                     continue;
 325                 }
 326                 if (action.getType() == ActionType.SET_VLAN_ID) {
 327                     SetVlanId a = (SetVlanId) action;
 328                     OFActionVirtualLanIdentifier ofAction = new OFActionVirtualLanIdentifier();
 329                     ofAction.setVirtualLanIdentifier((short) a.getVlanId());
 330                     actionsList.add(ofAction);
 331                     actionsLength += OFActionVirtualLanIdentifier.MINIMUM_LENGTH;
 332                     continue;
 333                 }
 334                 if (action.getType() == ActionType.SET_VLAN_PCP) {
 335                     SetVlanPcp a = (SetVlanPcp) action;
 336                     OFActionVirtualLanPriorityCodePoint ofAction = new OFActionVirtualLanPriorityCodePoint();
 337                     ofAction.setVirtualLanPriorityCodePoint(Integer.valueOf(
 338                             a.getPcp()).byteValue());
 339                     actionsList.add(ofAction);
 340                     actionsLength += OFActionVirtualLanPriorityCodePoint.MINIMUM_LENGTH;
 341                     continue;
 342                 }
 343                 if (action.getType() == ActionType.POP_VLAN) {
 344                     OFActionStripVirtualLan ofAction = new OFActionStripVirtualLan();
 345                     actionsList.add(ofAction);
 346                     actionsLength += OFActionStripVirtualLan.MINIMUM_LENGTH;
 347                     continue;
 348                 }
 349                 if (action.getType() == ActionType.SET_DL_SRC) {
 350                     SetDlSrc a = (SetDlSrc) action;
 351                     OFActionDataLayerSource ofAction = new OFActionDataLayerSource();
 352                     ofAction.setDataLayerAddress(a.getDlAddress());
 353                     actionsList.add(ofAction);
 354                     actionsLength += OFActionDataLayerSource.MINIMUM_LENGTH;
 355                     continue;
 356                 }
 357                 if (action.getType() == ActionType.SET_DL_DST) {
 358                     SetDlDst a = (SetDlDst) action;
 359                     OFActionDataLayerDestination ofAction = new OFActionDataLayerDestination();
 360                     ofAction.setDataLayerAddress(a.getDlAddress());
 361                     actionsList.add(ofAction);
 362                     actionsLength += OFActionDataLayerDestination.MINIMUM_LENGTH;
 363                     continue;
 364                 }
 365                 if (action.getType() == ActionType.SET_NW_SRC) {
 366                     SetNwSrc a = (SetNwSrc) action;
 367                     OFActionNetworkLayerSource ofAction = new OFActionNetworkLayerSource();
 368                     ofAction.setNetworkAddress(NetUtils.byteArray4ToInt(a
 369                             .getAddress().getAddress()));
 370                     actionsList.add(ofAction);
 371                     actionsLength += OFActionNetworkLayerAddress.MINIMUM_LENGTH;
 372                     continue;
 373                 }
 374                 if (action.getType() == ActionType.SET_NW_DST) {
 375                     SetNwDst a = (SetNwDst) action;
 376                     OFActionNetworkLayerDestination ofAction = new OFActionNetworkLayerDestination();
 377                     ofAction.setNetworkAddress(NetUtils.byteArray4ToInt(a
 378                             .getAddress().getAddress()));
 379                     actionsList.add(ofAction);
 380                     actionsLength += OFActionNetworkLayerAddress.MINIMUM_LENGTH;
 381                     continue;
 382                 }
 383                 if (action.getType() == ActionType.SET_NW_TOS) {
 384                     SetNwTos a = (SetNwTos) action;
 385                     OFActionNetworkTypeOfService ofAction = new OFActionNetworkTypeOfService();
 386                     ofAction.setNetworkTypeOfService(Integer.valueOf(
 387                             a.getNwTos()).byteValue());
 388                     actionsList.add(ofAction);
 389                     actionsLength += OFActionNetworkTypeOfService.MINIMUM_LENGTH;
 390                     continue;
 391                 }
 392                 if (action.getType() == ActionType.SET_TP_SRC) {
 393                     SetTpSrc a = (SetTpSrc) action;
 394                     OFActionTransportLayerSource ofAction = new OFActionTransportLayerSource();
 395                     ofAction.setTransportPort(Integer.valueOf(a.getPort())
 396                             .shortValue());
 397                     actionsList.add(ofAction);
 398                     actionsLength += OFActionTransportLayer.MINIMUM_LENGTH;
 399                     continue;
 400                 }
 401                 if (action.getType() == ActionType.SET_TP_DST) {
 402                     SetTpDst a = (SetTpDst) action;
 403                     OFActionTransportLayerDestination ofAction = new OFActionTransportLayerDestination();
 404                     ofAction.setTransportPort(Integer.valueOf(a.getPort())
 405                             .shortValue());
 406                     actionsList.add(ofAction);
 407                     actionsLength += OFActionTransportLayer.MINIMUM_LENGTH;
 408                     continue;
 409                 }
 410                 if (action.getType() == ActionType.SET_NEXT_HOP) {
 411                     //TODO
 412                     continue;
 413                 }
 414             }
 415         }
 416         return actionsList;
 417     }
 418
 419     /**
 420      * Utility to convert a SAL flow to an OF 1.0 (OFFlowMod) or
 421      * to an OF 1.0 + IPv6 extension (V6FlowMod) Flow modifier Message
 422      *
 423      * @param sw
 424      * @param command
 425      * @param port
 426      * @return
 427      */
 428     public OFMessage getOFFlowMod(short command, OFPort port) {
 429         OFMessage fm = (isIPv6) ? new V6FlowMod() : new OFFlowMod();
 430         if (this.ofMatch == null) {
 431             getOFMatch();
 432         }
 433         if (this.actionsList == null) {
 434             getOFActions();
 435         }
 436         if (!isIPv6) {
 437             ((OFFlowMod) fm).setMatch(this.ofMatch);
 438             ((OFFlowMod) fm).setActions(this.actionsList);
 439             ((OFFlowMod) fm).setPriority(flow.getPriority());
 440             ((OFFlowMod) fm).setCookie(flow.getId());
 441             ((OFFlowMod) fm).setBufferId(OFPacketOut.BUFFER_ID_NONE);
 442             ((OFFlowMod) fm).setLength(U16.t(OFFlowMod.MINIMUM_LENGTH
 443                     + actionsLength));
 444             ((OFFlowMod) fm).setIdleTimeout(flow.getIdleTimeout());
 445             ((OFFlowMod) fm).setHardTimeout(flow.getHardTimeout());
 446             ((OFFlowMod) fm).setCommand(command);
 447             if (port != null) {
 448                 ((OFFlowMod) fm).setOutPort(port);
 449             }
 450         } else {
 451             ((V6FlowMod) fm).setVendor();
 452             ((V6FlowMod) fm).setMatch((V6Match) ofMatch);
 453             ((V6FlowMod) fm).setActions(this.actionsList);
 454             ((V6FlowMod) fm).setPriority(flow.getPriority());
 455             ((V6FlowMod) fm).setCookie(flow.getId());
 456             ((V6FlowMod) fm).setLength(U16.t(OFVendor.MINIMUM_LENGTH
 457                     + ((V6Match) ofMatch).getIPv6ExtMinHdrLen()
 458                     + ((V6Match) ofMatch).getIPv6MatchLen()
 459                     + ((V6Match) ofMatch).getPadSize() + actionsLength));
 460             ((V6FlowMod) fm).setIdleTimeout(flow.getIdleTimeout());
 461             ((V6FlowMod) fm).setHardTimeout(flow.getHardTimeout());
 462             ((V6FlowMod) fm).setCommand(command);
 463             if (port != null) {
 464                 ((V6FlowMod) fm).setOutPort(port);
 465             }
 466         }
 467         return fm;
 468     }
 469
 470     public Flow getFlow(Node node) {
 471         if (this.flow == null) {
 472             Match salMatch = new Match();
 473
 474             /*
 475              * Installed flow may not have a Match defined
 476              * like in case of a drop all flow
 477              */
 478             if (ofMatch != null) {
 479                 if (!isIPv6) {
 480                     // Compute OF1.0 Match
 481                     if (ofMatch.getInputPort() != 0) {
 482                         salMatch.setField(new MatchField(MatchType.IN_PORT,
 483                                 NodeConnectorCreator.createNodeConnector(
 484                                         (Short) ofMatch.getInputPort(), node)));
 485                     }
 486                     if (ofMatch.getDataLayerSource() != null
 487                             && !NetUtils
 488                                     .isZeroMAC(ofMatch.getDataLayerSource())) {
 489                         byte srcMac[] = ofMatch.getDataLayerSource();
 490                         salMatch.setField(new MatchField(MatchType.DL_SRC,
 491                                 srcMac.clone()));
 492                     }
 493                     if (ofMatch.getDataLayerDestination() != null
 494                             && !NetUtils.isZeroMAC(ofMatch
 495                                     .getDataLayerDestination())) {
 496                         byte dstMac[] = ofMatch.getDataLayerDestination();
 497                         salMatch.setField(new MatchField(MatchType.DL_DST,
 498                                 dstMac.clone()));
 499                     }
 500                     if (ofMatch.getDataLayerType() != 0) {
 501                         salMatch.setField(new MatchField(MatchType.DL_TYPE,
 502                                 ofMatch.getDataLayerType()));
 503                     }
 504                     if (ofMatch.getDataLayerVirtualLan() != 0) {
 505                         salMatch.setField(new MatchField(MatchType.DL_VLAN,
 506                                 ofMatch.getDataLayerVirtualLan()));
 507                     }
 508                     if (ofMatch.getDataLayerVirtualLanPriorityCodePoint() != 0) {
 509                         salMatch.setField(MatchType.DL_VLAN_PR, ofMatch
 510                                 .getDataLayerVirtualLanPriorityCodePoint());
 511                     }
 512                     if (ofMatch.getNetworkSource() != 0) {
 513                         salMatch.setField(MatchType.NW_SRC, NetUtils
 514                                 .getInetAddress(ofMatch.getNetworkSource()),
 515                                 NetUtils.getInetNetworkMask(ofMatch
 516                                         .getNetworkSourceMaskLen(), false));
 517                     }
 518                     if (ofMatch.getNetworkDestination() != 0) {
 519                         salMatch
 520                                 .setField(
 521                                         MatchType.NW_DST,
 522                                         NetUtils.getInetAddress(ofMatch
 523                                                 .getNetworkDestination()),
 524                                         NetUtils
 525                                                 .getInetNetworkMask(
 526                                                         ofMatch
 527                                                                 .getNetworkDestinationMaskLen(),
 528                                                         false));
 529                     }
 530                     if (ofMatch.getNetworkTypeOfService() != 0) {
 531                         int dscp = NetUtils.getUnsignedByte(
 532                                         ofMatch.getNetworkTypeOfService());
 533                         byte tos = (byte)(dscp >> 2);
 534                         salMatch.setField(MatchType.NW_TOS, tos);
 535                     }
 536                     if (ofMatch.getNetworkProtocol() != 0) {
 537                         salMatch.setField(MatchType.NW_PROTO, ofMatch
 538                                 .getNetworkProtocol());
 539                     }
 540                     if (ofMatch.getTransportSource() != 0) {
 541                         salMatch.setField(MatchType.TP_SRC, ((Short) ofMatch
 542                                 .getTransportSource()));
 543                     }
 544                     if (ofMatch.getTransportDestination() != 0) {
 545                         salMatch.setField(MatchType.TP_DST, ((Short) ofMatch
 546                                 .getTransportDestination()));
 547                     }
 548                 } else {
 549                     // Compute OF1.0 + IPv6 extensions Match
 550                     V6Match v6Match = (V6Match) ofMatch;
 551                     if (v6Match.getInputPort() != 0) {
 552                         // Mask on input port is not defined
 553                         salMatch.setField(new MatchField(MatchType.IN_PORT,
 554                                 NodeConnectorCreator.createOFNodeConnector(
 555                                         (Short) v6Match.getInputPort(), node)));
 556                     }
 557                     if (v6Match.getDataLayerSource() != null
 558                             && !NetUtils
 559                                     .isZeroMAC(ofMatch.getDataLayerSource())) {
 560                         byte srcMac[] = v6Match.getDataLayerSource();
 561                         salMatch.setField(new MatchField(MatchType.DL_SRC,
 562                                 srcMac.clone()));
 563                     }
 564                     if (v6Match.getDataLayerDestination() != null
 565                             && !NetUtils.isZeroMAC(ofMatch
 566                                     .getDataLayerDestination())) {
 567                         byte dstMac[] = v6Match.getDataLayerDestination();
 568                         salMatch.setField(new MatchField(MatchType.DL_DST,
 569                                 dstMac.clone()));
 570                     }
 571                     if (v6Match.getDataLayerType() != 0) {
 572                         salMatch.setField(new MatchField(MatchType.DL_TYPE,
 573                                 v6Match.getDataLayerType()));
 574                     }
 575                     if (v6Match.getDataLayerVirtualLan() != 0) {
 576                         salMatch.setField(new MatchField(MatchType.DL_VLAN,
 577                                 v6Match.getDataLayerVirtualLan()));
 578                     }
 579                     if (v6Match.getDataLayerVirtualLanPriorityCodePoint() != 0) {
 580                         salMatch.setField(MatchType.DL_VLAN_PR, v6Match
 581                                 .getDataLayerVirtualLanPriorityCodePoint());
 582                     }
 583                     if (v6Match.getNetworkSrc() != null) {
 584                         salMatch.setField(MatchType.NW_SRC, v6Match
 585                                 .getNetworkSrc(), v6Match
 586                                 .getNetworkSourceMask());
 587                     }
 588                     if (v6Match.getNetworkDest() != null) {
 589                         salMatch.setField(MatchType.NW_DST, v6Match
 590                                 .getNetworkDest(), v6Match
 591                                 .getNetworkDestinationMask());
 592                     }
 593                     if (v6Match.getNetworkTypeOfService() != 0) {
 594                         int dscp = NetUtils.getUnsignedByte(
 595                                         v6Match.getNetworkTypeOfService());
 596                         byte tos = (byte) (dscp >> 2);
 597                         salMatch.setField(MatchType.NW_TOS, tos);
 598                     }
 599                     if (v6Match.getNetworkProtocol() != 0) {
 600                         salMatch.setField(MatchType.NW_PROTO, v6Match
 601                                 .getNetworkProtocol());
 602                     }
 603                     if (v6Match.getTransportSource() != 0) {
 604                         salMatch.setField(MatchType.TP_SRC, ((Short) v6Match
 605                                 .getTransportSource()));
 606                     }
 607                     if (v6Match.getTransportDestination() != 0) {
 608                         salMatch.setField(MatchType.TP_DST, ((Short) v6Match
 609                                 .getTransportDestination()));
 610                     }
 611                 }
 612             }
 613
 614             // Convert actions
 615             Action salAction = null;
 616             List<Action> salActionList = new ArrayList<Action>();
 617             if (actionsList == null) {
 618                 salActionList.add(new Drop());
 619             } else {
 620                 for (OFAction ofAction : actionsList) {
 621                     if (ofAction instanceof OFActionOutput) {
 622                         short ofPort = ((OFActionOutput) ofAction).getPort();
 623                         if (ofPort == OFPort.OFPP_CONTROLLER.getValue()) {
 624                             salAction = new Controller();
 625                         } else if (ofPort == OFPort.OFPP_NONE.getValue()) {
 626                             salAction = new Drop();
 627                         } else if (ofPort == OFPort.OFPP_IN_PORT.getValue()) {
 628                             salAction = new Loopback();
 629                         } else if (ofPort == OFPort.OFPP_FLOOD.getValue()) {
 630                             salAction = new Flood();
 631                         } else if (ofPort == OFPort.OFPP_ALL.getValue()) {
 632                             salAction = new FloodAll();
 633                         } else if (ofPort == OFPort.OFPP_LOCAL.getValue()) {
 634                             salAction = new SwPath();
 635                         } else if (ofPort == OFPort.OFPP_NORMAL.getValue()) {
 636                             salAction = new HwPath();
 637                         } else if (ofPort == OFPort.OFPP_TABLE.getValue()) {
 638                             salAction = new HwPath(); //TODO: we do not handle table in sal for now
 639                         } else {
 640                             salAction = new Output(NodeConnectorCreator
 641                                     .createOFNodeConnector(ofPort, node));
 642                         }
 643                     } else if (ofAction instanceof OFActionVirtualLanIdentifier) {
 644                         salAction = new SetVlanId(
 645                                 ((OFActionVirtualLanIdentifier) ofAction)
 646                                         .getVirtualLanIdentifier());
 647                     } else if (ofAction instanceof OFActionStripVirtualLan) {
 648                         salAction = new PopVlan();
 649                     } else if (ofAction instanceof OFActionVirtualLanPriorityCodePoint) {
 650                         salAction = new SetVlanPcp(
 651                                 ((OFActionVirtualLanPriorityCodePoint) ofAction)
 652                                         .getVirtualLanPriorityCodePoint());
 653                     } else if (ofAction instanceof OFActionDataLayerSource) {
 654                         salAction = new SetDlSrc(
 655                                 ((OFActionDataLayerSource) ofAction)
 656                                         .getDataLayerAddress().clone());
 657                     } else if (ofAction instanceof OFActionDataLayerDestination) {
 658                         salAction = new SetDlDst(
 659                                 ((OFActionDataLayerDestination) ofAction)
 660                                         .getDataLayerAddress().clone());
 661                     } else if (ofAction instanceof OFActionNetworkLayerSource) {
 662                         byte addr[] = BigInteger.valueOf(
 663                                 ((OFActionNetworkLayerSource) ofAction)
 664                                         .getNetworkAddress()).toByteArray();
 665                         InetAddress ip = null;
 666                         try {
 667                             ip = InetAddress.getByAddress(addr);
 668                         } catch (UnknownHostException e) {
 669                             e.printStackTrace();
 670                         }
 671                         salAction = new SetNwSrc(ip);
 672                     } else if (ofAction instanceof OFActionNetworkLayerDestination) {
 673                         byte addr[] = BigInteger.valueOf(
 674                                 ((OFActionNetworkLayerDestination) ofAction)
 675                                         .getNetworkAddress()).toByteArray();
 676                         InetAddress ip = null;
 677                         try {
 678                             ip = InetAddress.getByAddress(addr);
 679                         } catch (UnknownHostException e) {
 680                             e.printStackTrace();
 681                         }
 682                         salAction = new SetNwDst(ip);
 683                     } else if (ofAction instanceof OFActionNetworkTypeOfService) {
 684                         salAction = new SetNwTos(
 685                                 ((OFActionNetworkTypeOfService) ofAction)
 686                                         .getNetworkTypeOfService());
 687                     } else if (ofAction instanceof OFActionTransportLayerSource) {
 688                         Short port = ((OFActionTransportLayerSource) ofAction)
 689                                 .getTransportPort();
 690                         int intPort = NetUtils.getUnsignedShort(port);
 691                         salAction = new SetTpSrc(intPort);
 692                     } else if (ofAction instanceof OFActionTransportLayerDestination) {
 693                         Short port = ((OFActionTransportLayerDestination) ofAction)
 694                                 .getTransportPort();
 695                         int intPort = NetUtils.getUnsignedShort(port);
 696                         salAction = new SetTpDst(intPort);
 697                     }
 698                     salActionList.add(salAction);
 699                 }
 700             }
 701             // Create Flow
 702             flow = new Flow(salMatch, salActionList);
 703         }
 704         return flow;
 705     }
 706
 707 }