329dcba2df
Quoth the man-page:
Fifologs provide a compact round-robin circular storage for recording
text and binary information to permanent storage in a bounded and pre-
dictable fashion, time and space wise.
Not yet connected to the build, but feel free to test & review.
63 lines
2.7 KiB
C
63 lines
2.7 KiB
C
/*-
|
|
* Copyright (c) 2005-2008 Poul-Henning Kamp
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/stdint.h>
|
|
|
|
/* CREATORS */
|
|
const char *fifolog_create(const char *fn, off_t size, unsigned recsize);
|
|
|
|
|
|
/* WRITERS */
|
|
|
|
struct fifolog_writer;
|
|
struct fifolog_writer *fifolog_write_new(void);
|
|
const char *fifolog_write_open(struct fifolog_writer *f, const char *fn, unsigned writerate, unsigned syncrate, int compression);
|
|
int fifolog_write_bytes(struct fifolog_writer *f, uint32_t id, time_t now, const void *ptr, unsigned len);
|
|
void fifolog_write_bytes_poll(struct fifolog_writer *f, uint32_t id, time_t now, const void *ptr, unsigned len);
|
|
int fifolog_write_poll(struct fifolog_writer *f, time_t now);
|
|
void fifolog_write_close(struct fifolog_writer *f);
|
|
void fifolog_write_destroy(struct fifolog_writer *f);
|
|
int fifolog_write_flush(struct fifolog_writer *f);
|
|
extern const char *fifolog_write_statnames[];
|
|
|
|
/* READERS */
|
|
|
|
typedef void fifolog_reader_render_t(void *priv, time_t when, unsigned flag, const unsigned char *p, unsigned l);
|
|
struct fifolog_reader;
|
|
struct fifolog_reader *fifolog_reader_open(const char *fname);
|
|
off_t fifolog_reader_seek(const struct fifolog_reader *fl, time_t t0);
|
|
void fifolog_reader_process(struct fifolog_reader *fl, off_t from, fifolog_reader_render_t *func, void *priv, time_t end);
|
|
|
|
/* UTILS */
|
|
time_t get_date(char *p);
|
|
|
|
#if (__FreeBSD__ < 7)
|
|
int expand_number(char *_buf, int64_t *_num);
|
|
#endif
|
|
|