io.netlibs.bgp.netty.protocol.open.UnsupportedVersionNumberNotificationPacket.java Source code

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Here is the source code for io.netlibs.bgp.netty.protocol.open.UnsupportedVersionNumberNotificationPacket.java

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/**
 *  Copyright 2012 Rainer Bieniek (Rainer.Bieniek@web.de)
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package io.netlibs.bgp.netty.protocol.open;

import io.netlibs.bgp.protocol.BGPv4Constants;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

/**
 * @author Rainer Bieniek (Rainer.Bieniek@web.de)
 *
 */
public class UnsupportedVersionNumberNotificationPacket extends OpenNotificationPacket {

    private int supportedProtocolVersion = BGPv4Constants.BGP_VERSION;

    public UnsupportedVersionNumberNotificationPacket() {
        super(OpenNotificationPacket.SUBCODE_UNSUPPORTED_VERSION_NUMBER);
    }

    public UnsupportedVersionNumberNotificationPacket(final int version) {
        super(OpenNotificationPacket.SUBCODE_UNSUPPORTED_VERSION_NUMBER);

        this.supportedProtocolVersion = version;
    }

    /*
     * (non-Javadoc)
     *
     * @see org.bgp4j.netty.protocol.NotificationPacket#encodePayload()
     */
    @Override
    protected ByteBuf encodeAdditionalPayload() {
        final ByteBuf buffer = Unpooled.buffer(2);

        buffer.writeShort(this.supportedProtocolVersion);

        return buffer;
    }

    /**
     * @return the version
     */
    public int getSupportedProtocolVersion() {
        return this.supportedProtocolVersion;
    }

}