WriteMetadataInstructionDeserializer.java example

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openflowplugin-master
/*
 * Copyright (c) 2016 Pantheon Technologies s.r.o. 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.openflowplugin.impl.protocol.deserialization.instruction;

import java.math.BigInteger;

import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.Instruction;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteMetadataCaseBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.write.metadata._case.WriteMetadataBuilder;

import io.netty.buffer.ByteBuf;

public class WriteMetadataInstructionDeserializer extends AbstractInstructionDeserializer {

    @Override
    public Instruction deserialize(ByteBuf message) {
        processHeader(message);
        message.skipBytes(InstructionConstants.PADDING_IN_WRITE_METADATA);

        final byte[] meta = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
        message.readBytes(meta);
        final byte[] metaMask = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
        message.readBytes(metaMask);

        return new WriteMetadataCaseBuilder()
            .setWriteMetadata(new WriteMetadataBuilder()
                    .setMetadata(new BigInteger(1, meta))
                    .setMetadataMask(new BigInteger(1, metaMask))
                    .build())
            .build();
    }

    @Override
    public Instruction deserializeHeader(ByteBuf message) {
        processHeader(message);
        return new WriteMetadataCaseBuilder().build();
    }

}