extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/match/NshFlagsConvertor.java

   1 /*
   2  * Copyright (c) 2018 SUSE LINUX GmbH.  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.match;
   9
  10 import java.util.Optional;
  11 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  12 import org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava;
  13 import org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava;
  14 import org.opendaylight.openflowplugin.extension.api.ExtensionAugment;
  15 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  16 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.oxm.container.match.entry.value.ExperimenterIdCase;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.OfjAugNxExpMatch;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsh.flags.grouping.NshFlagsValues;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsh.flags.grouping.NshFlagsValuesBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.experimenter.id._case.NxExpMatchEntryValue;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.experimenter.id._case.nx.exp.match.entry.value.NshFlagsCaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.experimenter.id._case.nx.exp.match.entry.value.NshFlagsCaseValueBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlow;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlowBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessage;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessageBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxNshFlagsGrouping;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxNshFlagsKey;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.nsh.flags.grouping.NxmNxNshFlags;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.nsh.flags.grouping.NxmNxNshFlagsBuilder;
  41 import org.opendaylight.yangtools.yang.binding.Augmentation;
  42
  43 public class NshFlagsConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
  44
  45     @Override
  46     public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
  47         ExperimenterIdCase experimenterIdCase = (ExperimenterIdCase) input.getMatchEntryValue();
  48         OfjAugNxExpMatch ofjAugNxExpMatch = experimenterIdCase.augmentation(OfjAugNxExpMatch.class);
  49         NshFlagsCaseValue nshFlagsCaseValue = (NshFlagsCaseValue) ofjAugNxExpMatch.getNxExpMatchEntryValue();
  50         NshFlagsValues nshFlagsValues = nshFlagsCaseValue.getNshFlagsValues();
  51         NxmNxNshFlags nxmNxNshFlags = new NxmNxNshFlagsBuilder()
  52                 .setNshFlags(nshFlagsValues.getNshFlags())
  53                 .setMask(nshFlagsValues.getMask())
  54                 .build();
  55         return resolveAugmentation(
  56                 nxmNxNshFlags,
  57                 path,
  58                 NxmNxNshFlagsKey.class);
  59     }
  60
  61     @Override
  62     public MatchEntry convert(Extension extension) {
  63         Optional<NxmNxNshFlagsGrouping> matchGrouping = MatchUtil.NSH_FLAGS_RESOLVER.findExtension(extension);
  64         if (!matchGrouping.isPresent()) {
  65             throw new CodecPreconditionException(extension);
  66         }
  67         Short flags = matchGrouping.get().getNxmNxNshFlags().getNshFlags();
  68         Short mask = matchGrouping.get().getNxmNxNshFlags().getMask();
  69         return buildMatchEntry(flags, mask);
  70     }
  71
  72     public static MatchEntry buildMatchEntry(Short flags, Short mask) {
  73         NshFlagsValues nshFlagsValues = new NshFlagsValuesBuilder().setNshFlags(flags).setMask(mask).build();
  74         NxExpMatchEntryValue value = new NshFlagsCaseValueBuilder().setNshFlagsValues(nshFlagsValues).build();
  75         return MatchUtil.createExperimenterMatchEntryBuilder(
  76                 org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNshFlags.class,
  77                 NiciraConstants.NX_NSH_VENDOR_ID,
  78                 value).setHasMask(mask != null).build();
  79     }
  80
  81     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(
  82             NxmNxNshFlags value,
  83             MatchPath path, Class<? extends ExtensionKey> key) {
  84         switch (path) {
  85             case FLOWS_STATISTICS_UPDATE_MATCH:
  86                 return new ExtensionAugment<>(NxAugMatchNodesNodeTableFlow.class,
  87                         new NxAugMatchNodesNodeTableFlowBuilder().setNxmNxNshFlags(value).build(), key);
  88             case FLOWS_STATISTICS_RPC_MATCH:
  89                 return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
  90                         new NxAugMatchRpcGetFlowStatsBuilder().setNxmNxNshFlags(value).build(), key);
  91             case PACKET_RECEIVED_MATCH:
  92                 return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class,
  93                         new NxAugMatchNotifPacketInBuilder().setNxmNxNshFlags(value).build(), key);
  94             case SWITCH_FLOW_REMOVED_MATCH:
  95                 return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
  96                         new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmNxNshFlags(value).build(), key);
  97             case PACKET_IN_MESSAGE_MATCH:
  98                 return new ExtensionAugment<>(NxAugMatchPacketInMessage.class,
  99                         new NxAugMatchPacketInMessageBuilder().setNxmNxNshFlags(value).build(), key);
 100             default:
 101                 throw new CodecPreconditionException(path);
 102         }
 103     }
 104 }