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

   1 /*
   2  * Copyright (c) 2014, 2015 Red Hat, 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.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.experimenter.id.match.entry.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.aug.nx.exp.match.nx.exp.match.entry.value.NsiCaseValue;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.exp.match.nx.exp.match.entry.value.NsiCaseValueBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsi.grouping.NsiValues;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsi.grouping.NsiValuesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlow;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlowBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessage;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessageBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxNsiGrouping;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxNsiKey;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.nsi.grouping.NxmNxNsi;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.nsi.grouping.NxmNxNsiBuilder;
  40 import org.opendaylight.yangtools.yang.binding.Augmentation;
  41 import org.opendaylight.yangtools.yang.common.Uint8;
  42
  43 public class NsiConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
  44     @Override
  45     public ExtensionAugment<? extends Augmentation<Extension>> convert(final MatchEntry input, final MatchPath path) {
  46         ExperimenterIdCase experimenterIdCase = (ExperimenterIdCase) input.getMatchEntryValue();
  47         OfjAugNxExpMatch ofjAugNxExpMatch = experimenterIdCase.augmentation(OfjAugNxExpMatch.class);
  48         NsiCaseValue nshNsiCaseValue = (NsiCaseValue) ofjAugNxExpMatch.getNxExpMatchEntryValue();
  49
  50         return resolveAugmentation(
  51                 new NxmNxNsiBuilder().setNsi(nshNsiCaseValue.getNsiValues().getNsi()).build(),
  52                 path,
  53                 NxmNxNsiKey.VALUE);
  54     }
  55
  56     @Override
  57     public MatchEntry convert(final Extension extension) {
  58         Optional<NxmNxNsiGrouping> matchGrouping = MatchUtil.NSI_RESOLVER.findExtension(extension);
  59         if (!matchGrouping.isPresent()) {
  60             throw new CodecPreconditionException(extension);
  61         }
  62         Uint8 nsiValue = matchGrouping.get().getNxmNxNsi().getNsi();
  63         MatchEntry matchEntry = buildMatchEntry(nsiValue, null);
  64         return matchEntry;
  65     }
  66
  67     public static MatchEntry buildMatchEntry(final Uint8 nsi, final Uint8 mask) {
  68         NsiValues nsiValues = new NsiValuesBuilder().setNsi(nsi).setMask(mask).build();
  69         NsiCaseValue nsiCaseValue = new NsiCaseValueBuilder().setNsiValues(nsiValues).build();
  70         return MatchUtil.createExperimenterMatchEntryBuilder(
  71                 org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNsi.VALUE,
  72                 NiciraConstants.NX_NSH_VENDOR_ID,
  73                 nsiCaseValue).setHasMask(mask != null).build();
  74     }
  75
  76     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(final NxmNxNsi value,
  77             final MatchPath path, final ExtensionKey key) {
  78         switch (path) {
  79             case FLOWS_STATISTICS_UPDATE_MATCH:
  80                 return new ExtensionAugment<>(NxAugMatchNodesNodeTableFlow.class,
  81                         new NxAugMatchNodesNodeTableFlowBuilder().setNxmNxNsi(value).build(), key);
  82             case FLOWS_STATISTICS_RPC_MATCH:
  83                 return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
  84                         new NxAugMatchRpcGetFlowStatsBuilder().setNxmNxNsi(value).build(), key);
  85             case PACKET_RECEIVED_MATCH:
  86                 return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
  87                         .setNxmNxNsi(value).build(), key);
  88             case SWITCH_FLOW_REMOVED_MATCH:
  89                 return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
  90                         new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmNxNsi(value).build(), key);
  91             case PACKET_IN_MESSAGE_MATCH:
  92                 return new ExtensionAugment<>(NxAugMatchPacketInMessage.class,
  93                         new NxAugMatchPacketInMessageBuilder().setNxmNxNsi(value).build(), key);
  94             default:
  95                 throw new CodecPreconditionException(path);
  96         }
  97     }
  98 }