00001 00002 /* 00003 * ping.h 00004 * Copyright (C) 2000 by the University of Southern California 00005 * $Id: ping.h,v 1.5 2005/08/25 18:58:01 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 // $Header: /cvsroot/nsnam/ns-2/apps/ping.h,v 1.5 2005/08/25 18:58:01 johnh Exp $ 00049 00050 /* 00051 * File: Header File for a new 'Ping' Agent Class for the ns 00052 * network simulator 00053 * Author: Marc Greis (greis@cs.uni-bonn.de), May 1998 00054 * 00055 * IMPORTANT: Incase of any changes made to this file , 00056 * tutorial/examples/ping.h (used in Greis' tutorial) should 00057 * be updated as well. 00058 */ 00059 00060 00061 #ifndef ns_ping_h 00062 #define ns_ping_h 00063 00064 #include "agent.h" 00065 #include "tclcl.h" 00066 #include "packet.h" 00067 #include "address.h" 00068 #include "ip.h" 00069 00070 struct hdr_ping { 00071 char ret; 00072 double send_time; 00073 double rcv_time; // when ping arrived to receiver 00074 int seq; // sequence number 00075 00076 00077 // Header access methods 00078 static int offset_; // required by PacketHeaderManager 00079 inline static int& offset() { return offset_; } 00080 inline static hdr_ping* access(const Packet* p) { 00081 return (hdr_ping*) p->access(offset_); 00082 } 00083 }; 00084 00085 class PingAgent : public Agent { 00086 public: 00087 PingAgent(); 00088 int seq; // a send sequence number like in real ping 00089 int oneway; // enable seq number and one-way delay printouts 00090 virtual int command(int argc, const char*const* argv); 00091 virtual void recv(Packet*, Handler*); 00092 }; 00093 00094 #endif // ns_ping_h
1.7.1