extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/action/RegMoveConvertor.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.openflowplugin.extension.vendor.nicira.convertor.action;
   9
  10 import com.google.common.base.Preconditions;
  11 import org.opendaylight.openflowjava.nx.NiciraMatchCodecs;
  12 import org.opendaylight.openflowjava.nx.codec.match.NxmHeader;
  13 import org.opendaylight.openflowplugin.extension.api.ConvertorActionFromOFJava;
  14 import org.opendaylight.openflowplugin.extension.api.ConvertorActionToOFJava;
  15 import org.opendaylight.openflowplugin.extension.api.path.ActionPath;
  16 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.ActionBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionRegMove;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.action.container.action.choice.ActionRegMoveBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.reg.move.grouping.NxActionRegMove;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.action.rev140421.ofj.nx.action.reg.move.grouping.NxActionRegMoveBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg0;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg1;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg2;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg3;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg4;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg5;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg6;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg7;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.NxActionRegMoveGrouping;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.DstChoice;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxArpShaCase;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxArpShaCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxArpThaCase;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxArpThaCaseBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxRegCase;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxRegCaseBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxTunIdCase;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstNxTunIdCaseBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpOpCase;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpOpCaseBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpSpaCase;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpSpaCaseBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpTpaCase;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfArpTpaCaseBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfEthDstCase;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfEthDstCaseBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfEthSrcCase;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.dst.choice.grouping.dst.choice.DstOfEthSrcCaseBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.flows.statistics.update.flow.and.statistics.map.list.instructions.instruction.instruction.apply.actions._case.apply.actions.action.action.NxActionRegMoveNotifFlowsStatisticsUpdateApplyActionsCaseBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.flows.statistics.update.flow.and.statistics.map.list.instructions.instruction.instruction.write.actions._case.write.actions.action.action.NxActionRegMoveNotifFlowsStatisticsUpdateWriteActionsCaseBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.group.desc.stats.updated.group.desc.stats.buckets.bucket.action.action.NxActionRegMoveNotifGroupDescStatsUpdatedCaseBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nodes.node.table.flow.instructions.instruction.instruction.write.actions._case.write.actions.action.action.NxActionRegMoveNodesNodeTableFlowWriteActionsCaseBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.move.grouping.NxRegMove;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.move.grouping.NxRegMoveBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.move.grouping.nx.reg.move.Dst;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.move.grouping.nx.reg.move.DstBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.move.grouping.nx.reg.move.Src;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.nx.action.reg.move.grouping.nx.reg.move.SrcBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.SrcChoice;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxArpShaCase;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxArpShaCaseBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxArpThaCase;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxArpThaCaseBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxRegCase;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxRegCaseBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxTunIdCase;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcNxTunIdCaseBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpOpCase;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpOpCaseBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpSpaCase;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpSpaCaseBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpTpaCase;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfArpTpaCaseBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthDstCase;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthDstCaseBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthSrcCase;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthSrcCaseBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthTypeCase;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.action.rev140714.src.choice.grouping.src.choice.SrcOfEthTypeCaseBuilder;
  83
  84 /**
  85  * @author msunal
  86  */
  87 public class RegMoveConvertor implements
  88         ConvertorActionToOFJava<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action, Action>,
  89         ConvertorActionFromOFJava<Action, ActionPath> {
  90
  91     @Override
  92     public org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action convert(Action input, ActionPath path) {
  93         NxActionRegMove actionRegMove = ((ActionRegMove) input.getActionChoice()).getNxActionRegMove();
  94         DstBuilder dstBuilder = new DstBuilder();
  95         dstBuilder.setDstChoice(resolveDst(actionRegMove.getDst()));
  96         dstBuilder.setStart(actionRegMove.getDstOfs());
  97         dstBuilder.setEnd(actionRegMove.getDstOfs() + actionRegMove.getNBits() - 1);
  98         SrcBuilder srcBuilder = new SrcBuilder();
  99         srcBuilder.setSrcChoice(resolveSrc(actionRegMove.getSrc()));
 100         srcBuilder.setStart(actionRegMove.getSrcOfs());
 101         srcBuilder.setEnd(actionRegMove.getSrcOfs() + actionRegMove.getNBits() - 1);
 102         NxRegMoveBuilder nxRegMoveBuilder = new NxRegMoveBuilder();
 103         nxRegMoveBuilder.setDst(dstBuilder.build());
 104         nxRegMoveBuilder.setSrc(srcBuilder.build());
 105         return resolveAction(nxRegMoveBuilder.build(), path);
 106     }
 107
 108     public static DstChoice resolveDst(long dstValue) {
 109         Class<? extends NxmNxReg> potentialDst = resolveReg(dstValue);
 110         if (potentialDst != null) {
 111             return new DstNxRegCaseBuilder().setNxReg(potentialDst).build();
 112         }
 113         if (dstValue == NiciraMatchCodecs.TUN_ID_CODEC.getHeaderWithoutHasMask().toLong()) {
 114             return new DstNxTunIdCaseBuilder().setNxTunId(true).build();
 115         }
 116         if (dstValue == NiciraMatchCodecs.ARP_SHA_CODEC.getHeaderWithoutHasMask().toLong()) {
 117             return new DstNxArpShaCaseBuilder().setNxArpSha(true).build();
 118         }
 119         if (dstValue == NiciraMatchCodecs.ARP_THA_CODEC.getHeaderWithoutHasMask().toLong()) {
 120             return new DstNxArpThaCaseBuilder().setNxArpTha(true).build();
 121         }
 122         if (dstValue == NiciraMatchCodecs.ARP_OP_CODEC.getHeaderWithoutHasMask().toLong()) {
 123             return new DstOfArpOpCaseBuilder().setOfArpOp(true).build();
 124         }
 125         if (dstValue == NiciraMatchCodecs.ARP_SPA_CODEC.getHeaderWithoutHasMask().toLong()) {
 126             return new DstOfArpSpaCaseBuilder().setOfArpSpa(true).build();
 127         }
 128         if (dstValue == NiciraMatchCodecs.ARP_TPA_CODEC.getHeaderWithoutHasMask().toLong()) {
 129             return new DstOfArpTpaCaseBuilder().setOfArpTpa(true).build();
 130         }
 131         if (dstValue == NiciraMatchCodecs.ETH_DST_CODEC.getHeaderWithoutHasMask().toLong()) {
 132             return new DstOfEthDstCaseBuilder().setOfEthDst(true).build();
 133         }
 134         if (dstValue == NiciraMatchCodecs.ETH_SRC_CODEC.getHeaderWithoutHasMask().toLong()) {
 135             return new DstOfEthSrcCaseBuilder().setOfEthSrc(true).build();
 136         }
 137         throw new CodecPreconditionException("Missing codec for " + new NxmHeader(dstValue));
 138     }
 139
 140     static SrcChoice resolveSrc(long srcValue) {
 141         Class<? extends NxmNxReg> potentialSrc = resolveReg(srcValue);
 142         if (potentialSrc != null) {
 143             return new SrcNxRegCaseBuilder().setNxReg(potentialSrc).build();
 144         }
 145         if (srcValue == NiciraMatchCodecs.TUN_ID_CODEC.getHeaderWithoutHasMask().toLong()) {
 146             return new SrcNxTunIdCaseBuilder().setNxTunId(true).build();
 147         }
 148         if (srcValue == NiciraMatchCodecs.ARP_SHA_CODEC.getHeaderWithoutHasMask().toLong()) {
 149             return new SrcNxArpShaCaseBuilder().setNxArpSha(true).build();
 150         }
 151         if (srcValue == NiciraMatchCodecs.ARP_THA_CODEC.getHeaderWithoutHasMask().toLong()) {
 152             return new SrcNxArpThaCaseBuilder().setNxArpTha(true).build();
 153         }
 154         if (srcValue == NiciraMatchCodecs.ARP_OP_CODEC.getHeaderWithoutHasMask().toLong()) {
 155             return new SrcOfArpOpCaseBuilder().setOfArpOp(true).build();
 156         }
 157         if (srcValue == NiciraMatchCodecs.ARP_SPA_CODEC.getHeaderWithoutHasMask().toLong()) {
 158             return new SrcOfArpSpaCaseBuilder().setOfArpSpa(true).build();
 159         }
 160         if (srcValue == NiciraMatchCodecs.ARP_TPA_CODEC.getHeaderWithoutHasMask().toLong()) {
 161             return new SrcOfArpTpaCaseBuilder().setOfArpTpa(true).build();
 162         }
 163         if (srcValue == NiciraMatchCodecs.ETH_DST_CODEC.getHeaderWithoutHasMask().toLong()) {
 164             return new SrcOfEthDstCaseBuilder().setOfEthDst(true).build();
 165         }
 166         if (srcValue == NiciraMatchCodecs.ETH_SRC_CODEC.getHeaderWithoutHasMask().toLong()) {
 167             return new SrcOfEthSrcCaseBuilder().setOfEthSrc(true).build();
 168         }
 169         if (srcValue == NiciraMatchCodecs.ETH_TYPE_CODEC.getHeaderWithoutHasMask().toLong()) {
 170             return new SrcOfEthTypeCaseBuilder().setOfEthType(true).build();
 171         }
 172         throw new CodecPreconditionException("Missing codec for " + new NxmHeader(srcValue));
 173     }
 174
 175     private static Class<? extends NxmNxReg> resolveReg(long value) {
 176         if (value == NiciraMatchCodecs.REG0_CODEC.getHeaderWithoutHasMask().toLong()) {
 177             return NxmNxReg0.class;
 178         }
 179         if (value == NiciraMatchCodecs.REG1_CODEC.getHeaderWithoutHasMask().toLong()) {
 180             return NxmNxReg1.class;
 181         }
 182         if (value == NiciraMatchCodecs.REG2_CODEC.getHeaderWithoutHasMask().toLong()) {
 183             return NxmNxReg2.class;
 184         }
 185         if (value == NiciraMatchCodecs.REG3_CODEC.getHeaderWithoutHasMask().toLong()) {
 186             return NxmNxReg3.class;
 187         }
 188         if (value == NiciraMatchCodecs.REG4_CODEC.getHeaderWithoutHasMask().toLong()) {
 189             return NxmNxReg4.class;
 190         }
 191         if (value == NiciraMatchCodecs.REG5_CODEC.getHeaderWithoutHasMask().toLong()) {
 192             return NxmNxReg5.class;
 193         }
 194         if (value == NiciraMatchCodecs.REG6_CODEC.getHeaderWithoutHasMask().toLong()) {
 195             return NxmNxReg6.class;
 196         }
 197         if (value == NiciraMatchCodecs.REG7_CODEC.getHeaderWithoutHasMask().toLong()) {
 198             return NxmNxReg7.class;
 199         }
 200         return null;
 201     }
 202
 203     private static org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action resolveAction(
 204             NxRegMove value, ActionPath path) {
 205         switch (path) {
 206             case NODES_NODE_TABLE_FLOW_INSTRUCTIONS_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION_EXTENSIONLIST_EXTENSION:
 207                 return new NxActionRegMoveNodesNodeTableFlowWriteActionsCaseBuilder().setNxRegMove(value).build();
 208             case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_WRITEACTIONSCASE_WRITEACTIONS_ACTION_ACTION:
 209                 return new NxActionRegMoveNotifFlowsStatisticsUpdateWriteActionsCaseBuilder().setNxRegMove(value).build();
 210             case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_INSTRUCTIONS_INSTRUCTION_INSTRUCTION_APPLYACTIONSCASE_APPLYACTIONS_ACTION_ACTION:
 211                 return new NxActionRegMoveNotifFlowsStatisticsUpdateApplyActionsCaseBuilder().setNxRegMove(value).build();
 212             case GROUPDESCSTATSUPDATED_GROUPDESCSTATS_BUCKETS_BUCKET_ACTION:
 213                 return new NxActionRegMoveNotifGroupDescStatsUpdatedCaseBuilder().setNxRegMove(value).build();
 214             default:
 215                 throw new CodecPreconditionException(path);
 216         }
 217     }
 218
 219     @Override
 220     public Action convert(org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action nxActionArg) {
 221         Preconditions.checkArgument(nxActionArg instanceof NxActionRegMoveGrouping);
 222         NxActionRegMoveGrouping nxAction = (NxActionRegMoveGrouping) nxActionArg;
 223
 224         Dst dst = nxAction.getNxRegMove().getDst();
 225         Src src = nxAction.getNxRegMove().getSrc();
 226         ActionRegMoveBuilder actionRegMoveBuilder = new ActionRegMoveBuilder();
 227         NxActionRegMoveBuilder nxActionRegMove = new NxActionRegMoveBuilder();
 228
 229         nxActionRegMove.setDst(resolveDst(dst.getDstChoice()));
 230         nxActionRegMove.setDstOfs(dst.getStart());
 231         nxActionRegMove.setSrc(resolveSrc(src.getSrcChoice()));
 232         nxActionRegMove.setSrcOfs(src.getStart());
 233         nxActionRegMove.setNBits(dst.getEnd() - dst.getStart() + 1);
 234         nxActionRegMove.setExperimenterId(ActionUtil.EXPERIMENTER_ID);
 235         actionRegMoveBuilder.setNxActionRegMove(nxActionRegMove.build());
 236         return ActionUtil.createAction(actionRegMoveBuilder.build());
 237     }
 238
 239     public static long resolveDst(DstChoice dstChoice) {
 240         if (dstChoice instanceof DstNxRegCase) {
 241             return resolveReg(((DstNxRegCase) dstChoice).getNxReg());
 242         }
 243         if (dstChoice instanceof DstNxTunIdCase) {
 244             return NiciraMatchCodecs.TUN_ID_CODEC.getHeaderWithoutHasMask().toLong();
 245         }
 246         if (dstChoice instanceof DstNxArpShaCase) {
 247             return NiciraMatchCodecs.ARP_SHA_CODEC.getHeaderWithoutHasMask().toLong();
 248         }
 249         if (dstChoice instanceof DstNxArpThaCase) {
 250             return NiciraMatchCodecs.ARP_THA_CODEC.getHeaderWithoutHasMask().toLong();
 251         }
 252         if (dstChoice instanceof DstOfArpOpCase) {
 253             return NiciraMatchCodecs.ARP_OP_CODEC.getHeaderWithoutHasMask().toLong();
 254         }
 255         if (dstChoice instanceof DstOfArpSpaCase) {
 256             return NiciraMatchCodecs.ARP_SPA_CODEC.getHeaderWithoutHasMask().toLong();
 257         }
 258         if (dstChoice instanceof DstOfArpTpaCase) {
 259             return NiciraMatchCodecs.ARP_TPA_CODEC.getHeaderWithoutHasMask().toLong();
 260         }
 261         if (dstChoice instanceof DstOfEthDstCase) {
 262             return NiciraMatchCodecs.ETH_DST_CODEC.getHeaderWithoutHasMask().toLong();
 263         }
 264         if (dstChoice instanceof DstOfEthSrcCase) {
 265             return NiciraMatchCodecs.ETH_SRC_CODEC.getHeaderWithoutHasMask().toLong();
 266         }
 267         throw new CodecPreconditionException("Missing implementation of a case in dst-choice? " + dstChoice.getClass());
 268     }
 269
 270     static long resolveSrc(SrcChoice srcChoice) {
 271         if (srcChoice instanceof SrcNxRegCase) {
 272             return resolveReg(((SrcNxRegCase) srcChoice).getNxReg());
 273         }
 274         if (srcChoice instanceof SrcNxTunIdCase) {
 275             return NiciraMatchCodecs.TUN_ID_CODEC.getHeaderWithoutHasMask().toLong();
 276         }
 277         if (srcChoice instanceof SrcNxArpShaCase) {
 278             return NiciraMatchCodecs.ARP_SHA_CODEC.getHeaderWithoutHasMask().toLong();
 279         }
 280         if (srcChoice instanceof SrcNxArpThaCase) {
 281             return NiciraMatchCodecs.ARP_THA_CODEC.getHeaderWithoutHasMask().toLong();
 282         }
 283         if (srcChoice instanceof SrcOfArpOpCase) {
 284             return NiciraMatchCodecs.ARP_OP_CODEC.getHeaderWithoutHasMask().toLong();
 285         }
 286         if (srcChoice instanceof SrcOfArpSpaCase) {
 287             return NiciraMatchCodecs.ARP_SPA_CODEC.getHeaderWithoutHasMask().toLong();
 288         }
 289         if (srcChoice instanceof SrcOfArpTpaCase) {
 290             return NiciraMatchCodecs.ARP_TPA_CODEC.getHeaderWithoutHasMask().toLong();
 291         }
 292         if (srcChoice instanceof SrcOfEthDstCase) {
 293             return NiciraMatchCodecs.ETH_DST_CODEC.getHeaderWithoutHasMask().toLong();
 294         }
 295         if (srcChoice instanceof SrcOfEthSrcCase) {
 296             return NiciraMatchCodecs.ETH_SRC_CODEC.getHeaderWithoutHasMask().toLong();
 297         }
 298         if (srcChoice instanceof SrcOfEthTypeCase) {
 299             return NiciraMatchCodecs.ETH_TYPE_CODEC.getHeaderWithoutHasMask().toLong();
 300         }
 301         throw new CodecPreconditionException("Missing implementation of a case in dst-choice? " + srcChoice.getClass());
 302     }
 303
 304     private static long resolveReg(Class<? extends NxmNxReg> reg) {
 305         if (reg.equals(NxmNxReg0.class)) {
 306             return NiciraMatchCodecs.REG0_CODEC.getHeaderWithoutHasMask().toLong();
 307         }
 308         if (reg.equals(NxmNxReg1.class)) {
 309             return NiciraMatchCodecs.REG1_CODEC.getHeaderWithoutHasMask().toLong();
 310         }
 311         if (reg.equals(NxmNxReg2.class)) {
 312             return NiciraMatchCodecs.REG2_CODEC.getHeaderWithoutHasMask().toLong();
 313         }
 314         if (reg.equals(NxmNxReg3.class)) {
 315             return NiciraMatchCodecs.REG3_CODEC.getHeaderWithoutHasMask().toLong();
 316         }
 317         if (reg.equals(NxmNxReg4.class)) {
 318             return NiciraMatchCodecs.REG4_CODEC.getHeaderWithoutHasMask().toLong();
 319         }
 320         if (reg.equals(NxmNxReg5.class)) {
 321             return NiciraMatchCodecs.REG5_CODEC.getHeaderWithoutHasMask().toLong();
 322         }
 323         if (reg.equals(NxmNxReg6.class)) {
 324             return NiciraMatchCodecs.REG6_CODEC.getHeaderWithoutHasMask().toLong();
 325         }
 326         if (reg.equals(NxmNxReg7.class)) {
 327             return NiciraMatchCodecs.REG7_CODEC.getHeaderWithoutHasMask().toLong();
 328         }
 329         throw new CodecPreconditionException("Missing codec for nxm_nx_reg?" + reg);
 330     }
 331
 332 }