extension/openflowjava-extension-nicira/src/main/java/org/opendaylight/openflowjava/nx/codec/match/NshNpCodec.java

   1 /*
   2  * Copyright (c) 2015 Intel, 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.openflowjava.nx.codec.match;
   9
  10 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint8;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  14 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
  15 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
  16 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ExperimenterClass;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNshNp;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsh.np.grouping.NshNpValues;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsh.np.grouping.NshNpValuesBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.experimenter.id._case.NxExpMatchEntryValue;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.experimenter.id._case.nx.exp.match.entry.value.NshNpCaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.experimenter.id._case.nx.exp.match.entry.value.NshNpCaseValueBuilder;
  25 import org.opendaylight.yangtools.yang.common.Uint32;
  26
  27 public class NshNpCodec extends AbstractExperimenterMatchCodec {
  28
  29     private static final int VALUE_LENGTH = Byte.BYTES;
  30     private static final int NXM_FIELD_CODE = 3;
  31     public static final MatchEntrySerializerKey<ExperimenterClass, NxmNxNshNp> SERIALIZER_KEY =
  32             createSerializerKey(
  33                     EncodeConstants.OF13_VERSION_ID,
  34                     NiciraConstants.NX_NSH_VENDOR_ID,
  35                     NxmNxNshNp.class);
  36     public static final MatchEntryDeserializerKey DESERIALIZER_KEY =
  37             createDeserializerKey(
  38                     EncodeConstants.OF13_VERSION_ID,
  39                     NiciraConstants.NX_NSH_VENDOR_ID,
  40                     NXM_FIELD_CODE);
  41
  42     @Override
  43     protected void serializeValue(NxExpMatchEntryValue value, boolean hasMask, ByteBuf outBuffer) {
  44         NshNpCaseValue nshNpCaseValue = (NshNpCaseValue) value;
  45         NshNpValues nshNpValues = nshNpCaseValue.getNshNpValues();
  46         outBuffer.writeByte(nshNpValues.getValue().toJava());
  47     }
  48
  49     @Override
  50     protected NxExpMatchEntryValue deserializeValue(ByteBuf message, boolean hasMask) {
  51         return new NshNpCaseValueBuilder()
  52                 .setNshNpValues(new NshNpValuesBuilder().setValue(readUint8(message)).build())
  53                 .build();
  54     }
  55
  56     @Override
  57     public int getNxmFieldCode() {
  58         return NXM_FIELD_CODE;
  59     }
  60
  61     @Override
  62     protected Uint32 getExperimenterId() {
  63         return NiciraConstants.NX_NSH_VENDOR_ID;
  64     }
  65
  66     @Override
  67     public int getValueLength() {
  68         return VALUE_LENGTH;
  69     }
  70
  71     @Override
  72     public Class<? extends MatchField> getNxmField() {
  73         return NxmNxNshNp.class;
  74     }
  75 }