extension/openflowjava-extension-nicira/src/main/java/org/opendaylight/openflowjava/nx/codec/match/CtStateCodec.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.openflowjava.nx.codec.match;
   9
  10 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint32;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
  14 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  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.OxmClassBase;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxCtState;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.CtStateCaseValue;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.CtStateCaseValueBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.ct.state.grouping.CtStateValuesBuilder;
  25
  26 /**
  27  * Codec for CtSate.
  28  *
  29  * @author Aswin Suryanarayanan.
  30  */
  31 public class CtStateCodec extends AbstractMatchCodec {
  32
  33     private static final int VALUE_LENGTH = 4;
  34     private static final int NXM_FIELD_CODE = 105;
  35     public static final MatchEntrySerializerKey<Nxm1Class, NxmNxCtState> SERIALIZER_KEY = new MatchEntrySerializerKey<>(
  36             EncodeConstants.OF_VERSION_1_3, Nxm1Class.VALUE, NxmNxCtState.VALUE);
  37     public static final MatchEntryDeserializerKey DESERIALIZER_KEY = new MatchEntryDeserializerKey(
  38             EncodeConstants.OF_VERSION_1_3, OxmMatchConstants.NXM_1_CLASS, NXM_FIELD_CODE);
  39
  40     @Override
  41     public void serialize(final MatchEntry input, final ByteBuf outBuffer) {
  42         serializeHeader(input, outBuffer);
  43         CtStateCaseValue ctStateCase = (CtStateCaseValue) input.getMatchEntryValue();
  44         outBuffer.writeInt(ctStateCase.getCtStateValues().getCtState().intValue());
  45         outBuffer.writeInt(ctStateCase.getCtStateValues().getMask().intValue());
  46     }
  47
  48     @Override
  49     public MatchEntry deserialize(final ByteBuf message) {
  50         return deserializeHeaderToBuilder(message)
  51                 .setHasMask(true)
  52                 .setMatchEntryValue(new CtStateCaseValueBuilder()
  53                     .setCtStateValues(new CtStateValuesBuilder()
  54                         .setCtState(readUint32(message))
  55                         .setMask(readUint32(message))
  56                         .build())
  57                     .build())
  58                 .build();
  59     }
  60
  61     @Override
  62     public int getNxmFieldCode() {
  63         return NXM_FIELD_CODE;
  64     }
  65
  66     @Override
  67     public int getOxmClassCode() {
  68         return OxmMatchConstants.NXM_1_CLASS;
  69     }
  70
  71     @Override
  72     public int getValueLength() {
  73         return VALUE_LENGTH;
  74     }
  75
  76     @Override
  77     public MatchField getNxmField() {
  78         return NxmNxCtState.VALUE;
  79     }
  80
  81     @Override
  82     public OxmClassBase getOxmClass() {
  83         return Nxm1Class.VALUE;
  84     }
  85 }