/* $Id: mcl.h,v 1.1.1.1 2003/09/03 12:45:43 chneuman Exp $ */
/*
 *  Copyright (c) 1999-2003 INRIA - Universite Paris 6 - All rights reserved
 *  (main author: Vincent Roca - vincent.roca@inrialpes.fr)
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  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.
 */

#ifndef MCL_H  /* { */
#define MCL_H

/****** general purpose macros ******/

#ifndef min
#define min(a,b)	((a) <= (b) ? (a) : (b))
#endif

#ifndef max
#define max(a,b)	((a) >= (b) ? (a) : (b))
#endif


/* WARNING: works only with integers */
#define is_odd(v)	( ((v) & 1) ? 1 : 0)


/****** constants: do not edit ******/


/*
 * max length of char strings / paht+file names
 */
#define MAX_NAME_LEN	64
#define MAX_FILE_NAME_LEN	256

/*
 * print stats every STATS_PERIOD usec at most
 */
#define STATS_PERIOD	5000000

/*
 * call the memory cleanup functin with this period (in time tick)
 */
#define TX_MEM_CLEANUP_PERIOD	50

/*
 * socket snd/recv buffer management
 */
#define GET_SOCKBUF	1
#define SET_SOCKBUF	2
#define NEW_SOCKBUF_SZ	49152

/*
 * sender or receiver; used as argument to some functions
 * do not change...
 */
#define SENDER		1
#define RECEIVER	0

/*
 * used by mcl_drop_layer; check or really drop ?
 */
#define		MCL_CHECK_ONLY		1
#define		MCL_DO_IT		0
#define		MCL_ALL_LAYERS		254	/* used by add/drop functions */
#define		MCL_HIGHEST_LAYER	255	/* used by add/drop functions */

/*
 * tx/rx modes
 * differentiate application mode and signalization mode (usually piggy-backed)
 */
#define	MODE_UNI_TX	0x01		/* can send in unicast */
#define	MODE_MCAST_TX	0x02		/* can send in multicast */
#define	MODE_UNI_RX	0x04		/* can receive in unicast */
#define	MODE_MCAST_RX	0x08		/* can receive in multicast */
					/* SIG currently only used by ODL but */
#define	MODE_SIG_UNI_TX	0x10		/* can send signaling in unicast */
#define	MODE_SIG_UNI_RX	0x20		/* can recv signaling in unicast */

/*
 * How many times should we transmit each kind of signalization information
 * (for increased reliability) ? Tx for ever if value is -1.
 * NB: for CLOSE the nb of tx must be > 0 (10 times seems ok)
 */
#define MAX_TX_SIG_NONEWADU	-1
#define MAX_TX_SIG_CLOSE	10

#endif /* }  MCL_H */