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