rrtypes.h

用于嵌入式系统的TCP/IP协议栈及若干服务

/*
*            Copyright (c) 1998-2001 by NETsilicon Inc.
*
*  This software is copyrighted by and is the sole property of
*  NETsilicon.  All rights, title, ownership, or other interests
*  in the software remain the property of NETsilicon.  This
*  software may only be used in accordance with the corresponding
*  license agreement.  Any unauthorized use, duplication, transmission,
*  distribution, or disclosure of this software is expressly forbidden.
*
*  This Copyright notice may not be removed or modified without prior
*  written consent of NETsilicon.
*
*  NETsilicon, reserves the right to modify this software
*  without notice.
*
*  NETsilicon
*  411 Waverley Oaks Road                  USA 781.647.1234
*  Suite 227                               http://www.netsilicon.com
*  Waltham, MA 02452                       [e-mail]
*
*************************************************************************
*  $Name: Fusion 6.52 Fusion 6.51 $
*  $Date: 2001/09/20 10:32:12 $
*  $Source: M:/psisrc/routing/incl/rcs/rrtypes.h $
*  $Revision: 1.6 $
*************************************************************************
*  File Description: common data types  
*************************************************************************/

#ifndef _rr_types_h
#define _rr_types_h


/***********************************************
RR macros/defines
***********************************************/

#define counter		unsigned long

#ifndef rrdword
#define rrdword unsigned long
#endif
#ifndef rrword
#define rrword unsigned short
#endif
#ifndef rrbyte
#define rrbyte unsigned char
#endif
#ifndef rrsdword
#define rrsdword long
#endif


#define boolean		int
#define enum_type 	int			
#define counter		unsigned long
#define gauge		unsigned long
#define metric		int
typedef int		    (*fcnptr)();
typedef void *		(*vfcnptr)(void *);
typedef void		(*vvfcnptr)();

/* generic dual linked list struct */
typedef struct dll{
	struct dll *dll_fwd;
	struct dll *dll_bwd;
}DLL, *dll_pt;

 
#ifndef dword
#define dword unsigned long
#endif
#ifndef word
#define word unsigned short
#endif
#ifndef byte
#define byte unsigned char
#endif

#ifndef sdword
#define sdword long
#endif



#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE  1
#endif
#ifndef NULL
#define NULL  0
#endif

/* timer struct:
   we make an order linked list with expiration time
   to first entry kept separate. each entry then
   contains a delta time relative to previous.
*/
typedef struct routing_timer{
	struct routing_timer	*t_fwd; 	/* link */
	struct routing_timer	*t_bwd; 	/* link */

					/* pointer to callback fnc to
					   call on expiration */
	void				*(*t_callback)(void*);

					/* a pointer to a generic struct,
					   passed as param to callback */
	void				*t_param;
	int				 t_delta;	/* delta ttl */

					/* original time, used for cyclic
					   timers. */
	int				 t_time;
	int				 t_type;		/* cycle or 1shot */
}rrTIMER, *rrtimer_pt;

#define TTYPE_ONESHOT	1
#define TTYPE_CYCLIC	2

/* timer list head */
typedef struct rrtimer_head{
	rrtimer_pt dll_fwd;
	rrtimer_pt dll_bwd;
	int        cumtime;
}rrTHEAD, *rrthead_pt;
#endif