package net.onrc.onos.core.packetservice;

import java.io.Serializable;
import java.util.Arrays;

/**
 * A PacketOutNotification contains data sent between ONOS instances that
 * directs other instances to send a packet out a set of ports. This is an
 * abstract base class that will be subclassed by specific types of
 * notifications.
 */
public abstract class PacketOutNotification implements Serializable {

    private static final long serialVersionUID = 1L;

    private final byte[] packet;

    /**
     * Class constructor.
     *
     * @param packet the packet data to send in the packet-out
     */
    public PacketOutNotification() {
        packet = null;
    }

    public PacketOutNotification(byte[] packet) {
        this.packet = Arrays.copyOf(packet, packet.length);
    }

    public byte[] getPacketData() {
        return Arrays.copyOf(packet, packet.length);
    }
}