00001 00002 /* 00003 * diff_header.h 00004 * Copyright (C) 2000 by the University of Southern California 00005 * $Id: diff_header.h,v 1.4 2005/08/25 18:58:03 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 // Copyright (C) 1998 by Mingzhou Sun. All rights reserved. 00051 // This software is developed at Rensselaer Polytechnic Institute under 00052 // DARPA grant No. F30602-97-C-0274 00053 // Redistribution and use in source and binary forms are permitted 00054 // provided that the above copyright notice and this paragraph are 00055 // duplicated in all such forms and that any documentation, advertising 00056 // materials, and other materials related to such distribution and use 00057 // acknowledge that the software was developed by Mingzhou Sun at the 00058 // Rensselaer Polytechnic Institute. The name of the University may not 00059 // be used to endorse or promote products derived from this software 00060 // without specific prior written permission. 00061 // 00062 // $Header: /cvsroot/nsnam/ns-2/diffusion/diff_header.h,v 1.4 2005/08/25 18:58:03 johnh Exp $ 00063 00064 /******************************************************/ 00065 /* diff_header.h : Chalermek Intanagonwiwat 08/16/99 */ 00066 /******************************************************/ 00067 00068 #ifndef ns_diff_header_h 00069 #define ns_diff_header_h 00070 00071 #include "ip.h" 00072 00073 #define INTEREST 1 00074 #define DATA 2 00075 #define DATA_READY 3 00076 #define DATA_REQUEST 4 00077 #define POS_REINFORCE 5 00078 #define NEG_REINFORCE 6 00079 #define INHIBIT 7 00080 #define TX_FAILED 8 00081 #define DATA_STOP 9 00082 00083 #define MAX_ATTRIBUTE 3 00084 #define MAX_NEIGHBORS 30 00085 #define MAX_DATA_TYPE 30 00086 00087 #define ROUTING_PORT 255 00088 00089 #define ORIGINAL 100 00090 #define SUB_SAMPLED 1 00091 00092 // For positive reinforcement in simple mode. 00093 // And for TX_FAILED of backtracking mode. 00094 00095 struct extra_info { 00096 ns_addr_t sender; // For POS_REINFORCE and TX_FAILED 00097 unsigned int seq; // FOR POS_REINFORCE and TX_FAILED 00098 int size; // For TX_FAILED only. 00099 }; 00100 00101 00102 struct hdr_cdiff { 00103 unsigned char mess_type; 00104 unsigned int pk_num; 00105 ns_addr_t sender_id; 00106 nsaddr_t next_nodes[MAX_NEIGHBORS]; 00107 int num_next; 00108 unsigned int data_type; 00109 ns_addr_t forward_agent_id; 00110 00111 struct extra_info info; 00112 00113 double ts_; // Timestamp when pkt is generated. 00114 int report_rate; // For simple diffusion only. 00115 int attr[MAX_ATTRIBUTE]; 00116 00117 static int offset_; 00118 inline static int& offset() { return offset_; } 00119 inline static hdr_cdiff* access(const Packet* p) { 00120 return (hdr_cdiff*) p->access(offset_); 00121 } 00122 }; 00123 00124 00125 00126 #endif