/*
 * Copyright (c) 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.protocol.pcep.sync.optimizations;

import static com.google.common.base.Preconditions.checkArgument;
import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint64;
import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.writeOrZero;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
import org.opendaylight.protocol.pcep.spi.TlvParser;
import org.opendaylight.protocol.pcep.spi.TlvSerializer;
import org.opendaylight.protocol.pcep.spi.TlvUtil;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.lsp.db.version.tlv.LspDbVersion;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev181109.lsp.db.version.tlv.LspDbVersionBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Tlv;

public class LspDbVersionTlvParser implements TlvParser, TlvSerializer {
    public static final int TYPE = 23;

    @Override
    public void serializeTlv(final Tlv tlv, final ByteBuf buffer) {
        checkArgument(tlv instanceof LspDbVersion, "Tlv object is not instance of LspDbVersion.");
        final ByteBuf body = Unpooled.buffer();
        writeOrZero(body, ((LspDbVersion) tlv).getLspDbVersionValue());
        TlvUtil.formatTlv(TYPE, body, buffer);
    }

    @Override
    public Tlv parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
        if (buffer == null) {
            return null;
        }
        return new LspDbVersionBuilder().setLspDbVersionValue(readUint64(buffer)).build();
    }
}