org.bgp4j.netty.protocol.refresh.RouteRefreshPacket.java Source code

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Here is the source code for org.bgp4j.netty.protocol.refresh.RouteRefreshPacket.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.
 * 
 * File: org.bgp4j.netty.protocol.RouteRefreshPacket.java 
 */
package org.bgp4j.netty.protocol.refresh;

import io.netty.buffer.ByteBuf;

import org.apache.commons.lang3.builder.ToStringBuilder;
import org.bgp4j.net.AddressFamily;
import org.bgp4j.net.ORFEntry;
import org.bgp4j.net.ORFType;
import org.bgp4j.net.OutboundRouteFilter;
import org.bgp4j.net.SubsequentAddressFamily;
import org.bgp4j.netty.BGPv4Constants;
import org.bgp4j.netty.protocol.BGPv4Packet;

/**
 * @author Rainer Bieniek (Rainer.Bieniek@web.de)
 *
 */
public class RouteRefreshPacket extends BGPv4Packet {

    private AddressFamily addressFamily;
    private SubsequentAddressFamily subsequentAddressFamily;
    private OutboundRouteFilter outboundRouteFilter;

    public RouteRefreshPacket() {
    }

    public RouteRefreshPacket(AddressFamily addressFamily, SubsequentAddressFamily subsequentAddressFamily) {
        setAddressFamily(addressFamily);
        setSubsequentAddressFamily(subsequentAddressFamily);
    }

    public RouteRefreshPacket(AddressFamily addressFamily, SubsequentAddressFamily subsequentAddressFamily,
            OutboundRouteFilter outboundRouteFilter) {
        this(addressFamily, subsequentAddressFamily);

        setOutboundRouteFilter(outboundRouteFilter);
    }

    /* (non-Javadoc)
     * @see org.bgp4j.netty.protocol.BGPv4Packet#encodePayload()
     */
    @Override
    protected void encodePayload(ByteBuf buffer) {

        buffer.writeShort(getAddressFamily().toCode());
        buffer.writeByte(0);
        buffer.writeByte(getSubsequentAddressFamily().toCode());

        if (outboundRouteFilter != null) {
            buffer.writeByte(outboundRouteFilter.getRefreshType().toCode());

            for (ORFType type : outboundRouteFilter.getEntries().keySet()) {
                buffer.writeByte(type.toCode());

                int entriesLengthIndex = buffer.writerIndex();

                buffer.writeShort(0); // placeholder for entries length

                for (ORFEntry entry : outboundRouteFilter.getEntries().get(type)) {
                    ORFEntryCodec.encodeORFEntry(buffer, entry);
                }

                buffer.setShort(entriesLengthIndex, buffer.writerIndex() - entriesLengthIndex - 2);
            }
        }
    }

    /* (non-Javadoc)
     * @see org.bgp4j.netty.protocol.BGPv4Packet#getType()
     */
    @Override
    public int getType() {
        return BGPv4Constants.BGP_PACKET_TYPE_ROUTE_REFRESH;
    }

    /**
     * @return the addressFamily
     */
    public AddressFamily getAddressFamily() {
        return addressFamily;
    }

    /**
     * @param addressFamily the addressFamily to set
     */
    public void setAddressFamily(AddressFamily addressFamily) {
        this.addressFamily = addressFamily;
    }

    /**
     * @return the subsequentAddressFamily
     */
    public SubsequentAddressFamily getSubsequentAddressFamily() {
        return subsequentAddressFamily;
    }

    /**
     * @param subsequentAddressFamily the subsequentAddressFamily to set
     */
    public void setSubsequentAddressFamily(SubsequentAddressFamily subsequentAddressFamily) {
        this.subsequentAddressFamily = subsequentAddressFamily;
    }

    /**
     * @return the outboundRouteFilter
     */
    public OutboundRouteFilter getOutboundRouteFilter() {
        return outboundRouteFilter;
    }

    /**
     * @param outboundRouteFilter the outboundRouteFilter to set
     */
    public void setOutboundRouteFilter(OutboundRouteFilter outboundRouteFilter) {
        this.outboundRouteFilter = outboundRouteFilter;
    }

    @Override
    public String toString() {
        return (new ToStringBuilder(this)).append("type", getType()).append("addressFamiliy", addressFamily)
                .append("outboundRouteFilter", outboundRouteFilter)
                .append("subsequentAddressFamily", subsequentAddressFamily).toString();
    }
}