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

   1 /*
   2  * Copyright (c) 2018 SUSE LINUX GmbH.  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 static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint8;
  12
  13 import io.netty.buffer.ByteBuf;
  14 import org.opendaylight.openflowjava.nx.api.NiciraConstants;
  15 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
  16 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
  17 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.ExperimenterClass;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxNshFlags;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsh.flags.grouping.NshFlagsValues;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.nsh.flags.grouping.NshFlagsValuesBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.experimenter.id._case.NxExpMatchEntryValue;
  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.NshFlagsCaseValue;
  25 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.NshFlagsCaseValueBuilder;
  26 import org.opendaylight.yangtools.yang.common.Uint32;
  27 import org.opendaylight.yangtools.yang.common.Uint8;
  28
  29 public class NshFlagsCodec extends AbstractExperimenterMatchCodec {
  30
  31     private static final int VALUE_LENGTH = EncodeConstants.SIZE_OF_BYTE_IN_BYTES;
  32     private static final int NXM_FIELD_CODE = 1;
  33     public static final MatchEntrySerializerKey<ExperimenterClass, NxmNxNshFlags> SERIALIZER_KEY =
  34             createSerializerKey(
  35                     EncodeConstants.OF13_VERSION_ID,
  36                     NiciraConstants.NX_NSH_VENDOR_ID,
  37                     NxmNxNshFlags.class);
  38     public static final MatchEntryDeserializerKey DESERIALIZER_KEY =
  39             createDeserializerKey(
  40                     EncodeConstants.OF13_VERSION_ID,
  41                     NiciraConstants.NX_NSH_VENDOR_ID,
  42                     NXM_FIELD_CODE);
  43
  44     @Override
  45     public int getNxmFieldCode() {
  46         return NXM_FIELD_CODE;
  47     }
  48
  49     @Override
  50     public Class<? extends MatchField> getNxmField() {
  51         return NxmNxNshFlags.class;
  52     }
  53
  54     @Override
  55     public int getValueLength() {
  56         return VALUE_LENGTH;
  57     }
  58
  59     @Override
  60     protected NxExpMatchEntryValue deserializeValue(ByteBuf message, boolean hasMask) {
  61         Uint8 flagsValue = readUint8(message);
  62         Uint8 maskValue = hasMask ? readUint8(message) : null;
  63         return new NshFlagsCaseValueBuilder()
  64                 .setNshFlagsValues(new NshFlagsValuesBuilder().setNshFlags(flagsValue).setMask(maskValue).build())
  65                 .build();
  66     }
  67
  68     @Override
  69     protected Uint32 getExperimenterId() {
  70         return NiciraConstants.NX_NSH_VENDOR_ID;
  71     }
  72
  73     @Override
  74     protected void serializeValue(NxExpMatchEntryValue value, boolean hasMask, ByteBuf outBuffer) {
  75         NshFlagsCaseValue nshFlagsCaseValue = (NshFlagsCaseValue) value;
  76         NshFlagsValues nshFlagsValues = nshFlagsCaseValue.getNshFlagsValues();
  77         outBuffer.writeByte(nshFlagsValues.getNshFlags().toJava());
  78         if (hasMask) {
  79             outBuffer.writeByte(nshFlagsValues.getMask().toJava());
  80         }
  81     }
  82 }