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/*
* ping.h
* Copyright (C) 2000 by the University of Southern California
* $Id: ping.h,v 1.5 2005/08/25 18:58:01 johnh Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*
* The copyright of this module includes the following
* linking-with-specific-other-licenses addition:
*
* In addition, as a special exception, the copyright holders of
* this module give you permission to combine (via static or
* dynamic linking) this module with free software programs or
* libraries that are released under the GNU LGPL and with code
* included in the standard release of ns-2 under the Apache 2.0
* license or under otherwise-compatible licenses with advertising
* requirements (or modified versions of such code, with unchanged
* license). You may copy and distribute such a system following the
* terms of the GNU GPL for this module and the licenses of the
* other code concerned, provided that you include the source code of
* that other code when and as the GNU GPL requires distribution of
* source code.
*
* Note that people who make modified versions of this module
* are not obligated to grant this special exception for their
* modified versions; it is their choice whether to do so. The GNU
* General Public License gives permission to release a modified
* version without this exception; this exception also makes it
* possible to release a modified version which carries forward this
* exception.
*
*/
//
// $Header: /cvsroot/nsnam/ns-2/apps/ping.h,v 1.5 2005/08/25 18:58:01 johnh Exp $
/*
* File: Header File for a new 'Ping' Agent Class for the ns
* network simulator
* Author: Marc Greis (greis@cs.uni-bonn.de), May 1998
*
* IMPORTANT: Incase of any changes made to this file ,
* tutorial/examples/ping.h (used in Greis' tutorial) should
* be updated as well.
*/
#ifndef ns_ping_h
#define ns_ping_h
#include "agent.h"
#include "tclcl.h"
#include "packet.h"
#include "address.h"
#include "ip.h"
struct hdr_ping {
char ret;
double send_time;
double rcv_time; // when ping arrived to receiver
int seq; // sequence number
// Header access methods
static int offset_; // required by PacketHeaderManager
inline static int& offset() { return offset_; }
inline static hdr_ping* access(const Packet* p) {
return (hdr_ping*) p->access(offset_);
}
};
class PingAgent : public Agent {
public:
PingAgent();
int seq; // a send sequence number like in real ping
int oneway; // enable seq number and one-way delay printouts
virtual int command(int argc, const char*const* argv);
virtual void recv(Packet*, Handler*);
};
#endif // ns_ping_h
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