00001 00002 /* 00003 * hdr-ls.h 00004 * Copyright (C) 2000 by the University of Southern California 00005 * $Id: hdr-ls.h,v 1.3 2005/08/25 18:58:06 johnh Exp $ 00006 * 00007 * This program is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU General Public License, 00009 * version 2, as published by the Free Software Foundation. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License along 00017 * with this program; if not, write to the Free Software Foundation, Inc., 00018 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 00019 * 00020 * 00021 * The copyright of this module includes the following 00022 * linking-with-specific-other-licenses addition: 00023 * 00024 * In addition, as a special exception, the copyright holders of 00025 * this module give you permission to combine (via static or 00026 * dynamic linking) this module with free software programs or 00027 * libraries that are released under the GNU LGPL and with code 00028 * included in the standard release of ns-2 under the Apache 2.0 00029 * license or under otherwise-compatible licenses with advertising 00030 * requirements (or modified versions of such code, with unchanged 00031 * license). You may copy and distribute such a system following the 00032 * terms of the GNU GPL for this module and the licenses of the 00033 * other code concerned, provided that you include the source code of 00034 * that other code when and as the GNU GPL requires distribution of 00035 * source code. 00036 * 00037 * Note that people who make modified versions of this module 00038 * are not obligated to grant this special exception for their 00039 * modified versions; it is their choice whether to do so. The GNU 00040 * General Public License gives permission to release a modified 00041 * version without this exception; this exception also makes it 00042 * possible to release a modified version which carries forward this 00043 * exception. 00044 * 00045 */ 00046 00047 // Other copyrights might apply to parts of this software and are so 00048 // noted when applicable. 00049 // 00050 // $Header: /cvsroot/nsnam/ns-2/linkstate/hdr-ls.h,v 1.3 2005/08/25 18:58:06 johnh Exp $ 00051 00052 // Copyright (C) 1998 by Mingzhou Sun. All rights reserved. 00053 // This software is developed at Rensselaer Polytechnic Institute under 00054 // DARPA grant No. F30602-97-C-0274 00055 // Redistribution and use in source and binary forms are permitted 00056 // provided that the above copyright notice and this paragraph are 00057 // duplicated in all such forms and that any documentation, advertising 00058 // materials, and other materials related to such distribution and use 00059 // acknowledge that the software was developed by Mingzhou Sun at the 00060 // Rensselaer Polytechnic Institute. The name of the University may not 00061 // be used to endorse or promote products derived from this software 00062 // without specific prior written permission. 00063 00064 // Link state header should be present in ns regardless if the link state 00065 // module is included (it may be omitted if standard STL is not supported 00066 // by the compiler). The reason is we do not want a ns-packet.tcl.in, 00067 // and we cannot initialize a packet header in ns-stl.tcl.in. 00068 // Mysteriously the latter solution does not work; the only victim is DSR 00069 // tests (e.g., DSR tests in wireless-lan, wireless-lan-newnode, wireless-tdma) 00070 00071 #ifndef ns_ls_hdr_h 00072 #define ns_ls_hdr_h 00073 00074 #include "config.h" 00075 #include "packet.h" 00076 00077 struct hdr_LS { 00078 u_int32_t mv_; // metrics variable identifier 00079 int msgId_; 00080 00081 u_int32_t& metricsVar() { return mv_; } 00082 int& msgId() { return msgId_; } 00083 00084 // Header access methods 00085 static int offset_; // required by PacketHeaderManager 00086 inline static int& offset() { return offset_; } 00087 inline static hdr_LS* access(const Packet* p) { 00088 return (hdr_LS*) p->access(offset_); 00089 } 00090 }; 00091 00092 #endif // ns_ls_hdr_h