[apple/libc.git] / gen / asl_store.h

#ifndef __ASL_STORE_H__
#define __ASL_STORE_H__

/*
 * Copyright (c) 2007-2008 Apple Inc.  All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * "Portions Copyright (c) 2007 Apple Inc.  All Rights
 * Reserved.  This file contains Original Code and/or Modifications of
 * Original Code as defined in and that are subject to the Apple Public
 * Source License Version 1.0 (the 'License').  You may not use this file
 * except in compliance with the License.  Please obtain a copy of the
 * License at http://www.apple.com/publicsource and read it before using
 * this file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License."
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

#include <stdio.h>
#include <stdint.h>
#include <sys/time.h>
#include <asl.h>
#include <asl_file.h>

#define PATH_ASL_STORE "/var/log/asl"
#define PATH_ASL_ARCHIVE "/var/log/asl.archive"
#define FILE_ASL_STORE_DATA "StoreData"
#define FILE_ASL_STORE_SWEEP_SEMAPHORE "SweepStore"

#define FILE_CACHE_SIZE 64
#define FILE_CACHE_TTL 300

typedef struct
{
	time_t ts;
	uid_t u;
	gid_t g;
	char *path;
	asl_file_t *f;
} asl_cached_file_t;

typedef struct
{
	char *base_dir;
	FILE *storedata;
	uint64_t next_id;
	asl_file_t *db;
	asl_cached_file_t file_cache[FILE_CACHE_SIZE];
	void *work;
	time_t start_today;
	time_t start_tomorrow;
	time_t last_write;
	size_t max_file_size;
} asl_store_t;

uint32_t asl_store_open_write(const char *basedir, asl_store_t **s);
uint32_t asl_store_open_read(const char *basedir, asl_store_t **s);
uint32_t asl_store_close(asl_store_t *s);
uint32_t asl_store_statistics(asl_store_t *s, aslmsg *msg);

uint32_t asl_store_save(asl_store_t *s, aslmsg msg);

uint32_t asl_store_match(asl_store_t *s, aslresponse query, aslresponse *res, uint64_t *last_id, uint64_t start_id, uint32_t count, int32_t direction);
uint32_t asl_store_match_timeout(asl_store_t *s, aslresponse query, aslresponse *res, uint64_t *last_id, uint64_t start_id, uint32_t count, int32_t direction, uint32_t usec);

uint32_t asl_store_match_start(asl_store_t *s, uint64_t start_id, int32_t direction);
uint32_t asl_store_match_next(asl_store_t *s, aslresponse query, aslresponse *res, uint32_t count);

uint32_t asl_store_max_file_size(asl_store_t *s, size_t max);
uint32_t asl_store_signal_sweep(asl_store_t *s);
uint32_t asl_store_sweep_file_cache(asl_store_t *s);

#endif __ASL_STORE_H__
Commit	Line	Data
b5d655f7 A	1	#ifndef __ASL_STORE_H__
	2	#define __ASL_STORE_H__
	3
	4	/*
	5	* Copyright (c) 2007-2008 Apple Inc. All rights reserved.
	6	*
	7	* @APPLE_LICENSE_HEADER_START@
	8	*
	9	* "Portions Copyright (c) 2007 Apple Inc. All Rights
	10	* Reserved. This file contains Original Code and/or Modifications of
	11	* Original Code as defined in and that are subject to the Apple Public
	12	* Source License Version 1.0 (the 'License'). You may not use this file
	13	* except in compliance with the License. Please obtain a copy of the
	14	* License at http://www.apple.com/publicsource and read it before using
	15	* this file.
	16	*
	17	* The Original Code and all software distributed under the License are
	18	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	19	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	20	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	21	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	22	* License for the specific language governing rights and limitations
	23	* under the License."
	24	*
	25	* @APPLE_LICENSE_HEADER_END@
	26	*/
	27
	28	#include <stdio.h>
	29	#include <stdint.h>
	30	#include <sys/time.h>
	31	#include <asl.h>
	32	#include <asl_file.h>
	33
	34	#define PATH_ASL_STORE "/var/log/asl"
	35	#define PATH_ASL_ARCHIVE "/var/log/asl.archive"
	36	#define FILE_ASL_STORE_DATA "StoreData"
	37	#define FILE_ASL_STORE_SWEEP_SEMAPHORE "SweepStore"
	38
	39	#define FILE_CACHE_SIZE 64
	40	#define FILE_CACHE_TTL 300
	41
	42	typedef struct
	43	{
	44	time_t ts;
	45	uid_t u;
	46	gid_t g;
	47	char *path;
	48	asl_file_t *f;
	49	} asl_cached_file_t;
	50
	51	typedef struct
	52	{
	53	char *base_dir;
	54	FILE *storedata;
	55	uint64_t next_id;
	56	asl_file_t *db;
	57	asl_cached_file_t file_cache[FILE_CACHE_SIZE];
	58	void *work;
	59	time_t start_today;
	60	time_t start_tomorrow;
	61	time_t last_write;
	62	size_t max_file_size;
	63	} asl_store_t;
	64
65	uint32_t asl_store_open_write(const char basedir, asl_store_t *s);
66	uint32_t asl_store_open_read(const char basedir, asl_store_t *s);
67	uint32_t asl_store_close(asl_store_t *s);
68	uint32_t asl_store_statistics(asl_store_t s, aslmsg msg);
69
70	uint32_t asl_store_save(asl_store_t *s, aslmsg msg);
71
72	uint32_t asl_store_match(asl_store_t s, aslresponse query, aslresponse res, uint64_t *last_id, uint64_t start_id, uint32_t count, int32_t direction);
73	uint32_t asl_store_match_timeout(asl_store_t s, aslresponse query, aslresponse res, uint64_t *last_id, uint64_t start_id, uint32_t count, int32_t direction, uint32_t usec);
74
75	uint32_t asl_store_match_start(asl_store_t *s, uint64_t start_id, int32_t direction);
76	uint32_t asl_store_match_next(asl_store_t s, aslresponse query, aslresponse res, uint32_t count);
77
78	uint32_t asl_store_max_file_size(asl_store_t *s, size_t max);
79	uint32_t asl_store_signal_sweep(asl_store_t *s);
80	uint32_t asl_store_sweep_file_cache(asl_store_t *s);
81
82	#endif __ASL_STORE_H__