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      1 /*	$NetBSD: ntp_filegen.h,v 1.8 2020/05/25 20:47:19 christos Exp $	*/
      2 
      3 /*
      4  * ntp_filegen.h,v 3.9 1996/12/01 16:02:45 kardel Exp
      5  *
      6  * definitions for NTP file generations support
      7  *
      8  *
      9  * Copyright (C) 1992, 1996 by Rainer Pruy
     10  * Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
     11  *
     12  * This code may be modified and used freely
     13  * provided the credits remain intact.
     14  */
     15 
     16 #include "ntp_types.h"
     17 
     18 /*
     19  * supported file generation types
     20  */
     21 
     22 #define FILEGEN_NONE	255	/* no generations - use plain file name */
     23 #define FILEGEN_PID	1	/* one filegen per process incarnation */
     24 #define FILEGEN_DAY	2	/* one filegen per day */
     25 #define FILEGEN_WEEK	3	/* one filegen per week */
     26 #define FILEGEN_MONTH	4	/* one filegen per month */
     27 #define FILEGEN_YEAR	5	/* one filegen per year */
     28 #define FILEGEN_AGE	6	/* change filegen each FG_AGE_SECS */
     29 
     30 /*
     31  * supported file generation flags
     32  */
     33 
     34 #define FGEN_FLAG_LINK		0x01 /* make a link to base name */
     35 
     36 #define FGEN_FLAG_ENABLED	0x80 /* set this to really create files	  */
     37 				     /* without this, open is suppressed */
     38 
     39 typedef struct filegen_tag {
     40 	FILE *	fp;	/* file referring to current generation */
     41 	char *	dir;	/* currently always statsdir */
     42 	char *	fname;	/* filename prefix of generation file */
     43 			/* must be malloced, will be fed to free() */
     44 	u_long	id_lo;	/* lower bound of ident value */
     45 	u_long	id_hi;	/* upper bound of ident value */
     46 	u_char	type;	/* type of file generation */
     47 	u_char	flag;	/* flags modifying processing of file generation */
     48 } FILEGEN;
     49 
     50 extern	void	filegen_setup	(FILEGEN *, u_int32);
     51 extern	void	filegen_config	(FILEGEN *, const char *, const char *,
     52 				 u_int, u_int);
     53 extern	void	filegen_statsdir(void);
     54 extern	FILEGEN *filegen_get	(const char *);
     55 extern	void	filegen_register (const char *, const char *, FILEGEN *);
     56 #ifdef DEBUG
     57 extern	void	filegen_unregister(const char *);
     58 #endif
     59