/* -*-	Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
/*
 * ctrMcast.h
 * Copyright (C) 1997 by USC/ISI
 * All rights reserved.                                            
 *                                                                
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms 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.
 * 
 * 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.
 *
 * Contributed by Polly Huang (USC/ISI), http://www-scf.usc.edu/~bhuang
 * 
 * @(#) $Header: /nfs/jade/vint/CVSROOT/ns-2/mcast/ctrMcast.h,v 1.7 2000/09/01 03:04:05 haoboy Exp $ (USC/ISI)
 */

#ifndef ns_ctrmcast_h
#define ns_ctrmcast_h

#include "packet.h"

struct hdr_CtrMcast {
	nsaddr_t	src_;		/* mcast data source */
	nsaddr_t	group_;          /* mcast data destination group */
	int		fid_;

	static int offset_;
	inline static int& offset() { return offset_; }
	inline static hdr_CtrMcast* access(const Packet* p) {
		return (hdr_CtrMcast*) p->access(offset_);
	}

	/* per field member functions */
	nsaddr_t& src() { return src_; }
	nsaddr_t& group() { return group_; }
	int& flowid() { return fid_; }
};

#endif
