//************************************************************************** // * file: NetwPkt.msg // * // * author: Daniel Willkomm // * // * copyright: (C) 2004 Telecommunication Networks Group (TKN) at // * Technische Universitaet Berlin, Germany. // * // * This program is free software; you can redistribute it // * and/or modify it under the terms of the GNU General Public // * License as published by the Free Software Foundation; either // * version 2 of the License, or (at your option) any later // * version. // * For further information see file COPYING // * in the top level directory // ************************************************************************** // * part of: framework implementation developed by tkn // * description: - base class for network layer messages // * - subclass to create your own network layer messages // **************************************************************************/ // A basic network layer message definition // // subclass if you want to create your own network layer message class // // The basic network packet contains a destination and source network address. // Additionally a time to live (ttl) field can be defined in order to limit the // maximum number of hops the messge will travel. The sequence number is guranteed // to be unique for all packets generated by one host // // @author Daniel Willkomm message NetwPkt { fields: int destAddr; // destination address int srcAddr; // source address int ttl = 1; // time to live field (IP) unsigned long seqNum = 0; // sequence number }