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

   1 package org.opendaylight.openflowjava.nx.codec.match;
   2
   3 import io.netty.buffer.ByteBuf;
   4
   5 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
   6 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
   7 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
   8 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
   9 import org.opendaylight.openflowjava.util.ByteBufUtils;
  10 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.extension.nicira.match.rev140421.NxmOfEthDst;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.extension.nicira.match.rev140421.OfjAugNxMatch;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.extension.nicira.match.rev140421.OfjAugNxMatchBuilder;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.extension.nicira.match.rev140421.ofj.nxm.of.match.eth.dst.grouping.EthDstValuesBuilder;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MatchField;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Nxm0Class;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OxmClassBase;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;
  20
  21 public class EthDstCodec extends AbstractMatchCodec {
  22
  23     private static final int VALUE_LENGTH = 6;
  24     private static final int NXM_FIELD_CODE = 2;
  25     public static final MatchEntrySerializerKey<Nxm0Class, NxmOfEthDst> SERIALIZER_KEY = new MatchEntrySerializerKey<>(
  26             EncodeConstants.OF13_VERSION_ID, Nxm0Class.class, NxmOfEthDst.class);
  27     public static final MatchEntryDeserializerKey DESERIALIZER_KEY = new MatchEntryDeserializerKey(
  28             EncodeConstants.OF13_VERSION_ID, OxmMatchConstants.NXM_0_CLASS, NXM_FIELD_CODE);
  29
  30     @Override
  31     public void serialize(MatchEntries input, ByteBuf outBuffer) {
  32         serializeHeader(input, outBuffer);
  33         String value = input.getAugmentation(OfjAugNxMatch.class).getEthDstValues().getMacAddress().getValue();
  34         outBuffer.writeBytes(ByteBufUtils.macAddressToBytes(value));
  35     }
  36
  37     @Override
  38     public MatchEntries deserialize(ByteBuf message) {
  39         MatchEntriesBuilder matchEntriesBuilder = deserializeHeader(message);
  40         OfjAugNxMatchBuilder augNxMatchBuilder = new OfjAugNxMatchBuilder();
  41         byte[] address = new byte[VALUE_LENGTH];
  42         message.readBytes(address);
  43         augNxMatchBuilder.setEthDstValues(new EthDstValuesBuilder().setMacAddress(
  44                 new MacAddress(ByteBufUtils.macAddressToString(address))).build());
  45         matchEntriesBuilder.addAugmentation(OfjAugNxMatch.class, augNxMatchBuilder.build());
  46         return matchEntriesBuilder.build();
  47     }
  48
  49     @Override
  50     public int getNxmFieldCode() {
  51         return NXM_FIELD_CODE;
  52     }
  53
  54     @Override
  55     public int getOxmClassCode() {
  56         return OxmMatchConstants.NXM_0_CLASS;
  57     }
  58
  59     @Override
  60     public int getValueLength() {
  61         return VALUE_LENGTH;
  62     }
  63
  64     @Override
  65     public Class<? extends MatchField> getNxmField() {
  66         return NxmOfEthDst.class;
  67     }
  68
  69     @Override
  70     public Class<? extends OxmClassBase> getOxmClass() {
  71         return Nxm0Class.class;
  72     }
  73
  74 }