extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/match/RegConvertor.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.match;
   9
  10 import com.google.common.base.Optional;
  11 import java.util.Objects;
  12 import org.opendaylight.openflowjava.nx.NiciraMatchCodecs;
  13 import org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava;
  14 import org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava;
  15 import org.opendaylight.openflowplugin.extension.api.ExtensionAugment;
  16 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  17 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.reg.grouping.RegValuesBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.RegCaseValue;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.RegCaseValueBuilder;
  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.NxAugMatchNotifPacketIn;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStats;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStatsBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg0Key;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg1Key;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg2Key;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg3Key;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg4Key;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg5Key;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg6Key;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg7Key;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxRegGrouping;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxReg;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxRegBuilder;
  45 import org.opendaylight.yangtools.yang.binding.Augmentation;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 /**
  50  * @author msunal
  51  */
  52 public class RegConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
  53
  54     private final static Logger LOG = LoggerFactory.getLogger(RegConvertor.class);
  55
  56     /*
  57      * (non-Javadoc)
  58      *
  59      * @see
  60      * org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava#convert
  61      * (org.opendaylight.yangtools.yang.binding.DataContainer,
  62      * org.opendaylight.openflowplugin.extension.api.path.AugmentationPath)
  63      */
  64     @SuppressWarnings("unchecked")
  65     @Override
  66     public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
  67         NxmNxRegBuilder nxRegBuilder = new NxmNxRegBuilder();
  68         if (!org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg.class
  69                 .isAssignableFrom(input.getOxmMatchField())) {
  70             String msg = input.getOxmMatchField()
  71                     + " does not implement "
  72                     + org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg.class;
  73             LOG.warn(msg);
  74             throw new IllegalStateException(msg);
  75         }
  76         nxRegBuilder
  77                 .setReg((Class<? extends org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg>) input
  78                         .getOxmMatchField());
  79         RegCaseValue regCaseValue = ((RegCaseValue) input.getMatchEntryValue());
  80         nxRegBuilder.setValue(regCaseValue.getRegValues().getValue());
  81
  82         if (input.isHasMask()) {
  83             nxRegBuilder.setMask(regCaseValue.getRegValues().getMask());
  84         }
  85
  86         return resolveAugmentation(nxRegBuilder.build(), path, resolveRegKey(input.getOxmMatchField()));
  87     }
  88
  89     private static Class<? extends ExtensionKey> resolveRegKey(Class<? extends MatchField> oxmMatchField) {
  90         if (NiciraMatchCodecs.REG0_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  91             return NxmNxReg0Key.class;
  92         }
  93         if (NiciraMatchCodecs.REG1_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  94             return NxmNxReg1Key.class;
  95         }
  96         if (NiciraMatchCodecs.REG2_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  97             return NxmNxReg2Key.class;
  98         }
  99         if (NiciraMatchCodecs.REG3_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
 100             return NxmNxReg3Key.class;
 101         }
 102         if (NiciraMatchCodecs.REG4_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
 103             return NxmNxReg4Key.class;
 104         }
 105         if (NiciraMatchCodecs.REG5_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
 106             return NxmNxReg5Key.class;
 107         }
 108         if (NiciraMatchCodecs.REG6_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
 109             return NxmNxReg6Key.class;
 110         }
 111         if (NiciraMatchCodecs.REG7_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
 112             return NxmNxReg7Key.class;
 113         }
 114         throw new CodecPreconditionException("There is no key for " + oxmMatchField);
 115     }
 116
 117     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmNxReg nxmNxReg,
 118                                                                                            MatchPath path, Class<? extends ExtensionKey> key) {
 119         switch (path) {
 120             case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_MATCH:
 121                 return new ExtensionAugment<>(NxAugMatchNotifUpdateFlowStats.class,
 122                         new NxAugMatchNotifUpdateFlowStatsBuilder().setNxmNxReg(nxmNxReg).build(), key);
 123             case RPCFLOWSSTATISTICS_FLOWANDSTATISTICSMAPLIST_MATCH:
 124                 return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
 125                         new NxAugMatchRpcGetFlowStatsBuilder().setNxmNxReg(nxmNxReg).build(), key);
 126             case PACKETRECEIVED_MATCH:
 127                 return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
 128                         .setNxmNxReg(nxmNxReg).build(), key);
 129             case SWITCHFLOWREMOVED_MATCH:
 130                 return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
 131                         new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmNxReg(nxmNxReg).build(), key);
 132             default:
 133                 throw new CodecPreconditionException(path);
 134         }
 135     }
 136
 137     /*
 138      * (non-Javadoc)
 139      *
 140      * @see
 141      * org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava#convert
 142      * (org
 143      * .opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general
 144      * .rev140714.general.extension.grouping.Extension)
 145      */
 146     @Override
 147     public MatchEntry convert(Extension extension) {
 148         Optional<NxmNxRegGrouping> matchGrouping = MatchUtil.regResolver.getExtension(extension);
 149         if (!matchGrouping.isPresent()) {
 150             throw new CodecPreconditionException(extension);
 151         }
 152         NxmNxReg nxmNxReg = matchGrouping.get().getNxmNxReg();
 153         RegValuesBuilder regValuesBuilder = new RegValuesBuilder()
 154             .setValue(nxmNxReg.getValue())
 155             .setMask(nxmNxReg.getMask());
 156
 157         RegCaseValueBuilder regCaseValueBuilder = new RegCaseValueBuilder();
 158         regCaseValueBuilder.setRegValues(regValuesBuilder.build());
 159         return MatchUtil.createDefaultMatchEntryBuilder(nxmNxReg.getReg(),
 160                 Nxm1Class.class,
 161                 regCaseValueBuilder.build())
 162             .setHasMask(Objects.nonNull(nxmNxReg.getMask()))
 163             .build();
 164     }
 165
 166 }