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 org.opendaylight.openflowjava.nx.NiciraMatchCodecs;
  11 import org.opendaylight.openflowplugin.extension.api.ConvertorFromOFJava;
  12 import org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava;
  13 import org.opendaylight.openflowplugin.extension.api.ExtensionAugment;
  14 import org.opendaylight.openflowplugin.extension.api.path.MatchPath;
  15 import org.opendaylight.openflowplugin.extension.vendor.nicira.convertor.CodecPreconditionException;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MatchField;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Nxm1Class;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.OfjAugNxMatch;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.OfjAugNxMatchBuilder;
  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.openflowplugin.extension.general.rev140714.ExtensionKey;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStats;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifUpdateFlowStatsBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg0Key;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg1Key;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg2Key;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg3Key;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg4Key;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg5Key;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg6Key;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxReg7Key;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxRegGrouping;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxReg;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxRegBuilder;
  41 import org.opendaylight.yangtools.yang.binding.Augmentation;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 import com.google.common.base.Optional;
  46
  47 /**
  48  * @author msunal
  49  *
  50  */
  51 public class RegConvertor implements ConvertorToOFJava<MatchEntries>, ConvertorFromOFJava<MatchEntries, 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(MatchEntries 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         nxRegBuilder.setValue(input.getAugmentation(OfjAugNxMatch.class).getRegValues().getValue());
  79         return resolveAugmentation(nxRegBuilder.build(), path, resolveRegKey(input.getOxmMatchField()));
  80     }
  81
  82     private static Class<? extends ExtensionKey> resolveRegKey(Class<? extends MatchField> oxmMatchField) {
  83         if (NiciraMatchCodecs.REG0_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  84             return NxmNxReg0Key.class;
  85         }
  86         if (NiciraMatchCodecs.REG1_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  87             return NxmNxReg1Key.class;
  88         }
  89         if (NiciraMatchCodecs.REG2_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  90             return NxmNxReg2Key.class;
  91         }
  92         if (NiciraMatchCodecs.REG3_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  93             return NxmNxReg3Key.class;
  94         }
  95         if (NiciraMatchCodecs.REG4_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  96             return NxmNxReg4Key.class;
  97         }
  98         if (NiciraMatchCodecs.REG5_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
  99             return NxmNxReg5Key.class;
 100         }
 101         if (NiciraMatchCodecs.REG6_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
 102             return NxmNxReg6Key.class;
 103         }
 104         if (NiciraMatchCodecs.REG7_CODEC.getNxmField().isAssignableFrom(oxmMatchField)) {
 105             return NxmNxReg7Key.class;
 106         }
 107         throw new CodecPreconditionException("There is no key for " + oxmMatchField);
 108     }
 109
 110     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmNxReg nxmNxReg,
 111             MatchPath path, Class<? extends ExtensionKey> key) {
 112         switch (path) {
 113         case FLOWSSTATISTICSUPDATE_FLOWANDSTATISTICSMAPLIST_MATCH:
 114             return new ExtensionAugment<>(NxAugMatchNotifUpdateFlowStats.class,
 115                     new NxAugMatchNotifUpdateFlowStatsBuilder().setNxmNxReg(nxmNxReg).build(), key);
 116         case PACKETRECEIVED_MATCH:
 117             return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
 118                     .setNxmNxReg(nxmNxReg).build(), key);
 119         case SWITCHFLOWREMOVED_MATCH:
 120             return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
 121                     new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmNxReg(nxmNxReg).build(), key);
 122         default:
 123             throw new CodecPreconditionException(path);
 124         }
 125     }
 126
 127     /*
 128      * (non-Javadoc)
 129      *
 130      * @see
 131      * org.opendaylight.openflowplugin.extension.api.ConvertorToOFJava#convert
 132      * (org
 133      * .opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general
 134      * .rev140714.general.extension.grouping.Extension)
 135      */
 136     @Override
 137     public MatchEntries convert(Extension extension) {
 138         Optional<NxmNxRegGrouping> matchGrouping = MatchUtil.regResolver.getExtension(extension);
 139         if (!matchGrouping.isPresent()) {
 140             throw new CodecPreconditionException(extension);
 141         }
 142         NxmNxReg nxmNxReg = matchGrouping.get().getNxmNxReg();
 143         RegValuesBuilder regValuesBuilder = new RegValuesBuilder().setValue(nxmNxReg.getValue());
 144         OfjAugNxMatchBuilder augNxMatchBuilder = new OfjAugNxMatchBuilder().setRegValues(regValuesBuilder.build());
 145         return MatchUtil.createNiciraMatchEntries(Nxm1Class.class, nxmNxReg.getReg(), false, augNxMatchBuilder.build());
 146     }
 147
 148 }