ntp_filegen.h revision 290001 
1/*
2 * ntp_filegen.h,v 3.9 1996/12/01 16:02:45 kardel Exp
3 *
4 * definitions for NTP file generations support
5 *
6 *
7 * Copyright (C) 1992, 1996 by Rainer Pruy
8 * Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
9 *
10 * This code may be modified and used freely
11 * provided the credits remain intact.
12 */
13
14#include "ntp_types.h"
15
16/*
17 * supported file generation types
18 */
19
20#define FILEGEN_NONE	255	/* no generations - use plain file name */
21#define FILEGEN_PID	1	/* one filegen per process incarnation */
22#define FILEGEN_DAY	2	/* one filegen per day */
23#define FILEGEN_WEEK	3	/* one filegen per week */
24#define FILEGEN_MONTH	4	/* one filegen per month */
25#define FILEGEN_YEAR	5	/* one filegen per year */
26#define FILEGEN_AGE	6	/* change filegen each FG_AGE_SECS */
27
28/*
29 * supported file generation flags
30 */
31
32#define FGEN_FLAG_LINK		0x01 /* make a link to base name */
33
34#define FGEN_FLAG_ENABLED	0x80 /* set this to really create files	  */
35				     /* without this, open is suppressed */
36
37typedef struct filegen_tag {
38	FILE *	fp;	/* file referring to current generation */
39	char *	dir;	/* currently always statsdir */
40	char *	fname;	/* filename prefix of generation file */
41			/* must be malloced, will be fed to free() */
42	u_long	id_lo;	/* lower bound of ident value */
43	u_long	id_hi;	/* upper bound of ident value */
44	u_char	type;	/* type of file generation */
45	u_char	flag;	/* flags modifying processing of file generation */
46} FILEGEN;
47
48extern	void	filegen_setup	(FILEGEN *, u_int32);
49extern	void	filegen_config	(FILEGEN *, const char *, const char *,
50				 u_int, u_int);
51extern	void	filegen_statsdir(void);
52extern	FILEGEN *filegen_get	(const char *);
53extern	void	filegen_register (const char *, const char *, FILEGEN *);
54#ifdef DEBUG
55extern	void	filegen_unregister(const char *);
56#endif
57