app/src/main/java/org/opencord/aaa/impl/PacketCustomizer.java

/*
 * Copyright 2017-present Open Networking Foundation
 *
 * 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 org.opencord.aaa.impl;

import org.onlab.packet.Ethernet;
import org.onlab.packet.RADIUS;

import org.onosproject.net.packet.InboundPacket;

/**
 * Default RADIUS Packet Customization.
 * Does not change the packet
 *
 * Subclasses should implement filling of attributes depending on specifics ofsetup/RADIUS server
 */
public class  PacketCustomizer {

    protected CustomizationInfo customInfo;

    public PacketCustomizer(CustomizationInfo info) {
        this.customInfo = info;
    }

    /**
     * Customize the packet as per specific Setup or RADIUS server requirements.
     *
     * @param inPkt RADIUS packet to be customized
     * @param eapPacket Incoming packet containing EAP for which this the RADIUS message is being created
     * @return Customized RADIUS packet
     */
    public RADIUS customizePacket(RADIUS inPkt, InboundPacket eapPacket) {
        return inPkt;
    }

    /**
     * Customize the Ethernet header as per specific Setup or RADIUS server requirements.
     *
     * @param inPkt Ethernet packet to be changed
     * @param eapPacket Incoming packet containing EAP for which this the
     *                  RADIUS message is being created
     * @return Changed Ethernet packet
     */
    public Ethernet customizeEthernetIPHeaders(Ethernet inPkt,
                                               InboundPacket eapPacket) {
        return inPkt;
    }
}