extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/match/EthTypeConvertor.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 java.util.Optional;
  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.rev150225.Nxm0Class;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.eth.type.grouping.EthTypeValuesBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValue;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.EthTypeCaseValueBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.Extension;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlow;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlowBuilder;
  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.NxAugMatchPacketInMessage;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessageBuilder;
  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.NxmOfEthTypeGrouping;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmOfEthTypeKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.of.eth.type.grouping.NxmOfEthType;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.of.eth.type.grouping.NxmOfEthTypeBuilder;
  37 import org.opendaylight.yangtools.yang.binding.Augmentation;
  38 import org.opendaylight.yangtools.yang.common.Uint16;
  39
  40 /**
  41  * Convert to/from SAL flow model to openflowjava model for EthTypeCase.
  42  *
  43  * @author msunal
  44  */
  45 public class EthTypeConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
  46
  47     @Override
  48     public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
  49         EthTypeCaseValue ethTypeCaseValue = (EthTypeCaseValue) input.getMatchEntryValue();
  50         return resolveAugmentation(
  51                 new NxmOfEthTypeBuilder().setValue(ethTypeCaseValue.getEthTypeValues().getValue()).build(), path,
  52                 NxmOfEthTypeKey.class);
  53     }
  54
  55     @Override
  56     public MatchEntry convert(Extension extension) {
  57         Optional<NxmOfEthTypeGrouping> matchGrouping = MatchUtil.ETH_TYPE_RESOLVER.findExtension(extension);
  58         if (!matchGrouping.isPresent()) {
  59             throw new CodecPreconditionException(extension);
  60         }
  61         Uint16 value = matchGrouping.get().getNxmOfEthType().getValue();
  62         EthTypeCaseValueBuilder ethTypeCaseValueBuilder = new EthTypeCaseValueBuilder();
  63         ethTypeCaseValueBuilder.setEthTypeValues(new EthTypeValuesBuilder()
  64                 .setValue(value).build());
  65         return MatchUtil.createDefaultMatchEntryBuilder(
  66                 org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfEthType.class,
  67                 Nxm0Class.class, ethTypeCaseValueBuilder.build()).build();
  68
  69     }
  70
  71     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmOfEthType value,
  72             MatchPath path, Class<? extends ExtensionKey> key) {
  73         switch (path) {
  74             case FLOWS_STATISTICS_UPDATE_MATCH:
  75                 return new ExtensionAugment<>(NxAugMatchNodesNodeTableFlow.class,
  76                         new NxAugMatchNodesNodeTableFlowBuilder().setNxmOfEthType(value).build(), key);
  77             case FLOWS_STATISTICS_RPC_MATCH:
  78                 return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
  79                         new NxAugMatchRpcGetFlowStatsBuilder().setNxmOfEthType(value).build(), key);
  80             case PACKET_RECEIVED_MATCH:
  81                 return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
  82                         .setNxmOfEthType(value).build(), key);
  83             case SWITCH_FLOW_REMOVED_MATCH:
  84                 return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
  85                         new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmOfEthType(value).build(), key);
  86             case PACKET_IN_MESSAGE_MATCH:
  87                 return new ExtensionAugment<>(NxAugMatchPacketInMessage.class,
  88                         new NxAugMatchPacketInMessageBuilder().setNxmOfEthType(value).build(), key);
  89             default:
  90                 throw new CodecPreconditionException(path);
  91         }
  92     }
  93 }