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
   9 package org.opendaylight.openflowjava.nx.codec.match;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OxmClassBase;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
  18 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
  19 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
  20 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  21 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxCtState;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.ct.state.grouping.CtStateValuesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.CtStateCaseValue;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.CtStateCaseValueBuilder;
  26
  27 /**
  28  * @author Aswin Suryanarayanan.
  29  */
  30
  31 public class CtStateCodec extends AbstractMatchCodec {
  32
  33     private static final int VALUE_LENGTH = 8;
  34     private static final int NXM_FIELD_CODE = 105;
  35     public static final MatchEntrySerializerKey<Nxm1Class, NxmNxCtState> SERIALIZER_KEY = new MatchEntrySerializerKey<>(
  36             EncodeConstants.OF13_VERSION_ID, Nxm1Class.class, NxmNxCtState.class);
  37     public static final MatchEntryDeserializerKey DESERIALIZER_KEY = new MatchEntryDeserializerKey(
  38             EncodeConstants.OF13_VERSION_ID, OxmMatchConstants.NXM_1_CLASS, NXM_FIELD_CODE);
  39
  40     @Override
  41     public void serialize(MatchEntry input, 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(ByteBuf message) {
  50         MatchEntryBuilder matchEntryBuilder = deserializeHeader(message);
  51         CtStateCaseValueBuilder caseBuilder = new CtStateCaseValueBuilder();
  52         CtStateValuesBuilder ctStateValuesBuilder = new CtStateValuesBuilder();
  53         ctStateValuesBuilder.setCtState(message.readUnsignedInt());
  54         ctStateValuesBuilder.setMask(message.readUnsignedInt());
  55         caseBuilder.setCtStateValues(ctStateValuesBuilder.build());
  56         matchEntryBuilder.setMatchEntryValue(caseBuilder.build());
  57         matchEntryBuilder.setHasMask(true);
  58         return matchEntryBuilder.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 Class<? extends MatchField> getNxmField() {
  78         return NxmNxCtState.class;
  79     }
  80
  81     @Override
  82     public Class<? extends OxmClassBase> getOxmClass() {
  83         return Nxm1Class.class;
  84     }
  85
  86 }