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/*
 * ntp_filegen.h,v 3.9 1996/12/01 16:02:45 kardel Exp
 *
 * definitions for NTP file generations support
 *
 *
 * Copyright (C) 1992, 1996 by Rainer Pruy
 * Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
 *
 * This code may be modified and used freely
 * provided the credits remain intact.
 */

#include "ntp_types.h"

/*
 * supported file generation types
 */

#define FILEGEN_NONE	255	/* no generations - use plain file name */
#define FILEGEN_PID	1	/* one filegen per process incarnation */
#define FILEGEN_DAY	2	/* one filegen per day */
#define FILEGEN_WEEK	3	/* one filegen per week */
#define FILEGEN_MONTH	4	/* one filegen per month */
#define FILEGEN_YEAR	5	/* one filegen per year */
#define FILEGEN_AGE	6	/* change filegen each FG_AGE_SECS */

/*
 * supported file generation flags
 */

#define FGEN_FLAG_LINK		0x01 /* make a link to base name */

#define FGEN_FLAG_ENABLED	0x80 /* set this to really create files	  */
				     /* without this, open is suppressed */

typedef struct filegen_tag {
	FILE *	fp;	/* file referring to current generation */
	char *	dir;	/* currently always statsdir */
	char *	fname;	/* filename prefix of generation file */
			/* must be malloced, will be fed to free() */
	u_long	id_lo;	/* lower bound of ident value */
	u_long	id_hi;	/* upper bound of ident value */
	u_char	type;	/* type of file generation */
	u_char	flag;	/* flags modifying processing of file generation */
} FILEGEN;

extern	void	filegen_setup	(FILEGEN *, u_int32);
extern	void	filegen_config	(FILEGEN *, const char *, const char *,
				 u_int, u_int);
extern	void	filegen_statsdir(void);
extern	FILEGEN *filegen_get	(const char *);
extern	void	filegen_register (const char *, const char *, FILEGEN *);
#ifdef DEBUG
extern	void	filegen_unregister(char *);
#endif