of-extension/nx-ofjava/src/main/java/org/opendaylight/ovs/nx/ofjava/codec/match/NspCodec.java

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   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  * Authors : Madhu Venugopal
   9  */
  10
  11 package org.opendaylight.ovs.nx.ofjava.codec.match;
  12 import io.netty.buffer.ByteBuf;
  13
  14 import org.opendaylight.openflowjava.nx.codec.match.AbstractMatchCodec;
  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.openflowjava.protocol.api.util.OxmMatchConstants;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.MatchField;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.Nxm1Class;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.OxmClassBase;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntriesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.ovs.nx.match.rev140421.NxmNxNsp;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.ovs.nx.match.rev140421.OfjAugNxMatch;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.ovs.nx.match.rev140421.OfjAugNxMatchBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.ovs.nx.match.rev140421.ofj.nxm.nx.match.nsp.grouping.NspValuesBuilder;
  28
  29 public class NspCodec extends AbstractMatchCodec {
  30
  31     private static final int VALUE_LENGTH = 4;
  32     private static final int NXM_FIELD_CODE = 37;
  33     public static final MatchEntrySerializerKey<Nxm1Class, NxmNxNsp> SERIALIZER_KEY = new MatchEntrySerializerKey<>(
  34             EncodeConstants.OF13_VERSION_ID, Nxm1Class.class, NxmNxNsp.class);
  35     public static final MatchEntryDeserializerKey DESERIALIZER_KEY = new MatchEntryDeserializerKey(
  36             EncodeConstants.OF13_VERSION_ID, OxmMatchConstants.NXM_1_CLASS, NXM_FIELD_CODE);
  37
  38     @Override
  39     public void serialize(MatchEntries input, ByteBuf outBuffer) {
  40         serializeHeader(input, outBuffer);
  41         Long nsp = input.getAugmentation(OfjAugNxMatch.class).getNspValues().getNsp();
  42         outBuffer.writeInt(nsp.intValue());
  43     }
  44
  45     @Override
  46     public MatchEntries deserialize(ByteBuf message) {
  47         MatchEntriesBuilder matchEntriesBuilder = deserializeHeader(message);
  48         OfjAugNxMatchBuilder augNxMatchBuilder = new OfjAugNxMatchBuilder();
  49         augNxMatchBuilder.setNspValues(new NspValuesBuilder().setNsp(message.readUnsignedInt()).build());
  50         matchEntriesBuilder.addAugmentation(OfjAugNxMatch.class, augNxMatchBuilder.build());
  51         return matchEntriesBuilder.build();
  52     }
  53
  54     @Override
  55     public int getNxmFieldCode() {
  56         return NXM_FIELD_CODE;
  57     }
  58
  59     @Override
  60     public int getOxmClassCode() {
  61         return OxmMatchConstants.NXM_1_CLASS;
  62     }
  63
  64     @Override
  65     public int getValueLength() {
  66         return VALUE_LENGTH;
  67     }
  68
  69     @Override
  70     public Class<? extends MatchField> getNxmField() {
  71         return NxmNxNsp.class;
  72     }
  73
  74     @Override
  75     public Class<? extends OxmClassBase> getOxmClass() {
  76         return Nxm1Class.class;
  77     }
  78 }