extension/openflowplugin-extension-nicira/src/main/java/org/opendaylight/openflowplugin/extension/vendor/nicira/convertor/match/CtStateConvertor.java

   1 /*
   2  * Copyright (c) 2015 Hewlett-Packard Enterprise 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.Nxm1Class;
  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.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.CtStateCaseValue;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.CtStateCaseValueBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.ct.state.grouping.CtStateValuesBuilder;
  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.NxAugMatchNodesNodeTableFlow;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNodesNodeTableFlowBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketIn;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifPacketInBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemoved;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchNotifSwitchFlowRemovedBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessage;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchPacketInMessageBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStats;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxAugMatchRpcGetFlowStatsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxCtStateGrouping;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.NxmNxCtStateKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.ct.state.grouping.NxmNxCtState;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.ct.state.grouping.NxmNxCtStateBuilder;
  38 import org.opendaylight.yangtools.yang.binding.Augmentation;
  39
  40 /**
  41  * Convert to/from SAL flow model to openflowjava model for CtStateCase.
  42  *
  43  * @author Aswin Suryanarayanan.
  44  */
  45 public class CtStateConvertor implements ConvertorToOFJava<MatchEntry>, ConvertorFromOFJava<MatchEntry, MatchPath> {
  46
  47     @Override
  48     public ExtensionAugment<? extends Augmentation<Extension>> convert(final MatchEntry input, final MatchPath path) {
  49         CtStateCaseValue ctStateCaseValue = (CtStateCaseValue) input.getMatchEntryValue();
  50         NxmNxCtStateBuilder ctStateBuilder = new NxmNxCtStateBuilder();
  51         ctStateBuilder.setCtState(ctStateCaseValue.getCtStateValues().getCtState());
  52         ctStateBuilder.setMask(ctStateCaseValue.getCtStateValues().getMask());
  53         return resolveAugmentation(ctStateBuilder.build(), path, NxmNxCtStateKey.VALUE);
  54     }
  55
  56     @Override
  57     public MatchEntry convert(final Extension extension) {
  58         Optional<NxmNxCtStateGrouping> matchGrouping = MatchUtil.CT_STATE_RESOLVER.findExtension(extension);
  59         if (!matchGrouping.isPresent()) {
  60             throw new CodecPreconditionException(extension);
  61         }
  62         CtStateCaseValueBuilder ctStateCaseValueBuilder = new CtStateCaseValueBuilder();
  63         CtStateValuesBuilder ctStateValuesBuilder = new CtStateValuesBuilder();
  64         ctStateValuesBuilder.setCtState(matchGrouping.get().getNxmNxCtState().getCtState());
  65         ctStateValuesBuilder.setMask(matchGrouping.get().getNxmNxCtState().getMask());
  66         ctStateCaseValueBuilder.setCtStateValues(ctStateValuesBuilder.build());
  67         MatchEntryBuilder ofMatch = MatchUtil.createDefaultMatchEntryBuilder(
  68             org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxCtState.VALUE,
  69             Nxm1Class.VALUE, ctStateCaseValueBuilder.build());
  70         ofMatch.setHasMask(true);
  71         return ofMatch.build();
  72     }
  73
  74     private static ExtensionAugment<? extends Augmentation<Extension>> resolveAugmentation(final NxmNxCtState value,
  75             final MatchPath path, final ExtensionKey key) {
  76         switch (path) {
  77             case FLOWS_STATISTICS_UPDATE_MATCH:
  78                 return new ExtensionAugment<>(NxAugMatchNodesNodeTableFlow.class,
  79                         new NxAugMatchNodesNodeTableFlowBuilder().setNxmNxCtState(value).build(), key);
  80             case FLOWS_STATISTICS_RPC_MATCH:
  81                 return new ExtensionAugment<>(NxAugMatchRpcGetFlowStats.class,
  82                         new NxAugMatchRpcGetFlowStatsBuilder().setNxmNxCtState(value).build(), key);
  83             case PACKET_RECEIVED_MATCH:
  84                 return new ExtensionAugment<>(NxAugMatchNotifPacketIn.class, new NxAugMatchNotifPacketInBuilder()
  85                         .setNxmNxCtState(value).build(), key);
  86             case SWITCH_FLOW_REMOVED_MATCH:
  87                 return new ExtensionAugment<>(NxAugMatchNotifSwitchFlowRemoved.class,
  88                         new NxAugMatchNotifSwitchFlowRemovedBuilder().setNxmNxCtState(value).build(), key);
  89             case PACKET_IN_MESSAGE_MATCH:
  90                 return new ExtensionAugment<>(NxAugMatchPacketInMessage.class,
  91                         new NxAugMatchPacketInMessageBuilder().setNxmNxCtState(value).build(), key);
  92             default:
  93                 throw new CodecPreconditionException(path);
  94         }
  95     }
  96 }