📄 ping.h
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// Copyright (c) 2000 by the University of Southern California// All rights reserved.//// Permission to use, copy, modify, and distribute this software and its// documentation in source and binary forms for non-commercial purposes// and without fee is hereby granted, provided that the above copyright// notice appear in all copies and that both the copyright notice and// this permission notice appear in supporting documentation. and that// any documentation, advertising materials, and other materials related// to such distribution and use acknowledge that the software was// developed by the University of Southern California, Information// Sciences Institute. The name of the University may not be used to// endorse or promote products derived from this software without// specific prior written permission.//// THE UNIVERSITY OF SOUTHERN CALIFORNIA makes no representations about// the suitability of this software for any purpose. THIS SOFTWARE IS// PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,// INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.//// Other copyrights might apply to parts of this software and are so// noted when applicable.//// $Header: /nfs/jade/vint/CVSROOT/ns-2/apps/ping.h,v 1.3 2000/09/01 03:04:06 haoboy 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; // 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(); virtual int command(int argc, const char*const* argv); virtual void recv(Packet*, Handler*);};#endif // ns_ping_h
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