TunIdCodec.java example

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openflowplugin-master
/*
 * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.openflowjava.nx.codec.match;

import io.netty.buffer.ByteBuf;

import java.math.BigInteger;

import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm1Class;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OxmClassBase;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntryBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxTunId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.nx.match.tun.id.grouping.TunIdValuesBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.TunIdCaseValue;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.oxm.container.match.entry.value.TunIdCaseValueBuilder;

public class TunIdCodec extends AbstractMatchCodec {

    private static final int VALUE_LENGTH = 8;
    private static final int NXM_FIELD_CODE = 16;
    public static final MatchEntrySerializerKey<Nxm1Class, NxmNxTunId> SERIALIZER_KEY = new MatchEntrySerializerKey<>(
            EncodeConstants.OF13_VERSION_ID, Nxm1Class.class, NxmNxTunId.class);
    public static final MatchEntryDeserializerKey DESERIALIZER_KEY = new MatchEntryDeserializerKey(
            EncodeConstants.OF13_VERSION_ID, OxmMatchConstants.NXM_1_CLASS, NXM_FIELD_CODE);

    @Override
    public void serialize(MatchEntry input, ByteBuf outBuffer) {
        serializeHeader(input, outBuffer);
        BigInteger value = ((TunIdCaseValue) input.getMatchEntryValue()).getTunIdValues().getValue();
        outBuffer.writeLong(value.longValue());
    }

    @Override
    public MatchEntry deserialize(ByteBuf message) {
        MatchEntryBuilder matchEntriesBuilder = deserializeHeader(message);
        TunIdCaseValueBuilder caseBuilder = new TunIdCaseValueBuilder();
        TunIdValuesBuilder tunIdBuilder = new TunIdValuesBuilder();
        tunIdBuilder.setValue(BigInteger.valueOf(message.readLong()));
        caseBuilder.setTunIdValues(tunIdBuilder.build());
        matchEntriesBuilder.setMatchEntryValue(caseBuilder.build());
        return matchEntriesBuilder.build();
    }

    @Override
    public int getNxmFieldCode() {
        return NXM_FIELD_CODE;
    }

    @Override
    public int getOxmClassCode() {
        return OxmMatchConstants.NXM_1_CLASS;
    }

    @Override
    public int getValueLength() {
        return VALUE_LENGTH;
    }

    @Override
    public Class<? extends MatchField> getNxmField() {
        return NxmNxTunId.class;
    }

    @Override
    public Class<? extends OxmClassBase> getOxmClass() {
        return Nxm1Class.class;
    }

}