diff options
Diffstat (limited to 'usr.sbin/fifolog/lib/fifolog_write.h')
| -rw-r--r-- | usr.sbin/fifolog/lib/fifolog_write.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/usr.sbin/fifolog/lib/fifolog_write.h b/usr.sbin/fifolog/lib/fifolog_write.h new file mode 100644 index 0000000..957ced8 --- /dev/null +++ b/usr.sbin/fifolog/lib/fifolog_write.h @@ -0,0 +1,75 @@ +/*- + * 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[]; |
