sd-journal.h revision c2373f848dddcc1827cf715c5ef778dc8d475761
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#ifndef foojournalhfoo
#define foojournalhfoo
/***
This file is part of systemd.
Copyright 2011 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <inttypes.h>
#include <sys/types.h>
/* TODO:
*
* - check LE/BE conversion for 8bit, 16bit, 32bit values
* - implement parallel traversal
* - implement inotify usage on client
* - implement audit gateway
* - implement native gateway
* - implement stdout gateway
* - extend hash table/bisect table as we go
* - accelerate looking for "all hostnames" and suchlike.
*/
typedef struct sd_journal sd_journal;
int sd_journal_open(sd_journal **ret);
void sd_journal_close(sd_journal *j);
int sd_journal_previous(sd_journal *j);
int sd_journal_next(sd_journal *j);
int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret);
int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret);
int sd_journal_get_field(sd_journal *j, const char *field, const void **data, size_t *l);
int sd_journal_iterate_fields(sd_journal *j, const void **data, size_t *l);
int sd_journal_add_match(sd_journal *j, const char *field, const void *data, size_t size);
void sd_journal_flush_matches(sd_journal *j);
int sd_journal_seek_head(sd_journal *j);
int sd_journal_seek_tail(sd_journal *j);
int sd_journal_seek_monotonic_usec(sd_journal *j, uint64_t usec);
int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec);
int sd_journal_get_cursor(sd_journal *j, char **cursor);
int sd_journal_set_cursor(sd_journal *j, const char *cursor);
int sd_journal_get_fd(sd_journal *j);
#define SD_JOURNAL_FOREACH(j) \
while (sd_journal_next(j) > 0)
#define SD_JOURNAL_FOREACH_BACKWARDS(j) \
while (sd_journal_previous(j) > 0)
#define SD_JOURNAL_FOREACH_FIELD(j, data, l) \
while (sd_journal_iterate_fields((j), &(data), &(l)) > 0)
#endif