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