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/*-
* 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.
*
* $FreeBSD$
*/
#define FIFOLOG_PT_BYTES_PRE 0
#define FIFOLOG_PT_BYTES_POST 1
#define FIFOLOG_PT_WRITES 2
#define FIFOLOG_PT_FLUSH 3
#define FIFOLOG_PT_SYNC 4
#define FIFOLOG_PT_RUNTIME 5
#define FIFOLOG_NPOINT 6
struct fifolog_writer {
unsigned magic;
#define FIFOLOG_WRITER_MAGIC 0xf1f0706
struct fifolog_file *ff;
unsigned writerate;
unsigned syncrate;
unsigned compression;
int cleanup;
intmax_t cnt[FIFOLOG_NPOINT];
uint32_t seq;
off_t recno;
uint8_t flag;
time_t last;
ssize_t obufsize;
u_char *obuf;
ssize_t ibufsize;
ssize_t ibufptr;
u_char *ibuf;
time_t starttime;
time_t lastwrite;
time_t lastsync;
};
struct fifolog_writer *fifolog_write_new(void);
const char *fifolog_write_open(struct fifolog_writer *f, const char *fn, unsigned writerate, unsigned syncrate, unsigned compression);
int fifolog_write_record(struct fifolog_writer *f, uint32_t id, time_t now, const void *ptr, ssize_t len);
int fifolog_write_poll(struct fifolog_writer *f, time_t now);
int fifolog_write_record_poll(struct fifolog_writer *f, uint32_t id, time_t now, const void *ptr, ssize_t len);
void fifolog_write_close(struct fifolog_writer *f);
void fifolog_write_destroy(struct fifolog_writer *f);
extern const char *fifolog_write_statnames[];
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