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 com.google.common.base.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
  39 /**
  40  * Convert to/from SAL flow model to openflowjava model for EthTypeCase.
  41  *
  42  * @author msunal
  43  */
  44 public class EthTypeConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
  45
  46     @Override
  47     public ExtensionAugment<? extends Augmentation<Extension>> convert(MatchEntry input, MatchPath path) {
  48         EthTypeCaseValue ethTypeCaseValue = (EthTypeCaseValue) input.getMatchEntryValue();
  49         return resolveAugmentation(
  50                 new NxmOfEthTypeBuilder().setValue(ethTypeCaseValue.getEthTypeValues().getValue()).build(), path,
  51                 NxmOfEthTypeKey.class);
  52     }
  53
  54     @Override
  55     public MatchEntry convert(Extension extension) {
  56         Optional<NxmOfEthTypeGrouping> matchGrouping = MatchUtil.ETH_TYPE_RESOLVER.getExtension(extension);
  57         if (!matchGrouping.isPresent()) {
  58             throw new CodecPreconditionException(extension);
  59         }
  60         Integer value = matchGrouping.get().getNxmOfEthType().getValue();
  61         EthTypeCaseValueBuilder ethTypeCaseValueBuilder = new EthTypeCaseValueBuilder();
  62         ethTypeCaseValueBuilder.setEthTypeValues(new EthTypeValuesBuilder()
  63                 .setValue(value).build());
  64         return MatchUtil.createDefaultMatchEntryBuilder(
  65                 org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfEthType.class,
  66                 Nxm0Class.class, ethTypeCaseValueBuilder.build()).build();
  67
  68     }
  69
  70     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(NxmOfEthType value,
  71             MatchPath path, Class<? extends ExtensionKey> key) {
  72         switch (path) {
  73             case FLOWS_STATISTICS_UPDATE_MATCH:
  74                 return new ExtensionAugment<>(NxAugMatchNodesNodeTableFlow.class,
  75                         new NxAugMatchNodesNodeTableFlowBuilder().setNxmOfEthType(value).build(), key);
  76             case FLOWS_STATISTICS_RPC_MATCH:
  77                 return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
  78                         new NxAugMatchRpcGetFlowStatsBuilder().setNxmOfEthType(value).build(), key);
  79             case PACKET_RECEIVED_MATCH:
  80                 return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
  81                         .setNxmOfEthType(value).build(), key);
  82             case SWITCH_FLOW_REMOVED_MATCH:
  83                 return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
  84                         new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmOfEthType(value).build(), key);
  85             case PACKET_IN_MESSAGE_MATCH:
  86                 return new ExtensionAugment<>(NxAugMatchPacketInMessage.class,
  87                         new NxAugMatchPacketInMessageBuilder().setNxmOfEthType(value).build(), key);
  88             default:
  89                 throw new CodecPreconditionException(path);
  90         }
  91     }
  92 }