00001 00002 /* 00003 * srm-headers.h 00004 * Copyright (C) 1997 by the University of Southern California 00005 * $Id: srm-headers.h,v 1.11 2005/08/25 18:58:08 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 // 00048 // Author: Kannan Varadhan <kannan@isi.edu> 00049 // Version Date: Mon Jun 30 15:51:33 PDT 1997 00050 // 00051 // @(#) $Header: /cvsroot/nsnam/ns-2/mcast/srm-headers.h,v 1.11 2005/08/25 18:58:08 johnh Exp $ (USC/ISI) 00052 // 00053 00054 #ifndef ns_srm_headers_h 00055 #define ns_srm_headers_h 00056 00057 struct hdr_srm { 00058 00059 #define SRM_DATA 1 00060 #define SRM_SESS 2 00061 #define SRM_RQST 3 00062 #define SRM_REPR 4 00063 00064 int type_; 00065 int sender_; 00066 int seqnum_; 00067 int round_; 00068 00069 static int offset_; 00070 inline static int& offset() { return offset_; } 00071 inline static hdr_srm* access(const Packet* p) { 00072 return (hdr_srm*) p->access(offset_); 00073 } 00074 00075 // per field member functions 00076 int& type() { return type_; } 00077 int& sender() { return sender_; } 00078 int& seqnum() { return seqnum_; } 00079 int& round() { return round_; } 00080 }; 00081 00082 #define SRM_NAMES "NULL", "SRM_DATA", "SRM_SESS", "SRM_RQST", "SRM_REPR" 00083 00084 struct hdr_asrm { 00085 double distance_; 00086 00087 static int offset_; 00088 inline static int& offset() { return offset_; } 00089 inline static hdr_asrm* access(const Packet* p) { 00090 return (hdr_asrm*) p->access(offset_); 00091 } 00092 00093 // per field member functions 00094 double& distance() { return distance_; } 00095 }; 00096 00097 #endif /* ns_srm_headers_.h */