diff options
Diffstat (limited to 'src/journal/sd-journal.h')
| -rw-r--r-- | src/journal/sd-journal.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/journal/sd-journal.h b/src/journal/sd-journal.h new file mode 100644 index 0000000000..97f9f0fa13 --- /dev/null +++ b/src/journal/sd-journal.h @@ -0,0 +1,125 @@ +/*-*- 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> +#include <stdarg.h> +#include <sys/uio.h> + +#include "sd-id128.h" + +/* TODO: + * + * - OR of matches is borked... + * - extend hash tables table as we go + * - accelerate looking for "all hostnames" and suchlike. + * - hookup with systemctl + * - handle incomplete header + * - write unit files + * + * - local deserializer + * - http server + * - message catalog + * + * - check LE/BE conversion for 8bit, 16bit, 32bit values + * - cryptographic hash + * - think about manipulations of header + * - implement audit gateway + */ + +/* Write to daemon */ + +int sd_journal_print(int piority, const char *format, ...) __attribute__ ((format (printf, 2, 3))); +int sd_journal_printv(int priority, const char *format, va_list ap); + +int sd_journal_send(const char *format, ...) __attribute__((sentinel)); +int sd_journal_sendv(const struct iovec *iov, int n); + +int sd_journal_stream_fd(const char *tag, int priority, int priority_prefix); + +/* Browse journal stream */ + +typedef struct sd_journal sd_journal; + +enum { + SD_JOURNAL_LOCAL_ONLY = 1, + SD_JOURNAL_RUNTIME_ONLY = 2, + SD_JOURNAL_SYSTEM_ONLY = 4 +}; + +int sd_journal_open(sd_journal **ret, int flags); +void sd_journal_close(sd_journal *j); + +int sd_journal_previous(sd_journal *j); +int sd_journal_next(sd_journal *j); + +int sd_journal_previous_skip(sd_journal *j, uint64_t skip); +int sd_journal_next_skip(sd_journal *j, uint64_t skip); + +int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret); +int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id128_t *ret_boot_id); +int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *l); +int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *l); +void sd_journal_restart_data(sd_journal *j); + +int sd_journal_add_match(sd_journal *j, 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, sd_id128_t boot_id, uint64_t usec); +int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec); +int sd_journal_seek_cursor(sd_journal *j, const char *cursor); + +int sd_journal_get_cursor(sd_journal *j, char **cursor); + +int sd_journal_query_unique(sd_journal *j, const char *field); /* missing */ +int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); /* missing */ +void sd_journal_restart_unique(sd_journal *j); /* missing */ + +enum { + SD_JOURNAL_NOP, + SD_JOURNAL_APPEND, + SD_JOURNAL_INVALIDATE_ADD, + SD_JOURNAL_INVALIDATE_REMOVE +}; + +int sd_journal_get_fd(sd_journal *j); +int sd_journal_process(sd_journal *j); + +#define SD_JOURNAL_FOREACH(j) \ + if (sd_journal_seek_head(j) >= 0) \ + while (sd_journal_next(j) > 0) + +#define SD_JOURNAL_FOREACH_BACKWARDS(j) \ + if (sd_journal_seek_tail(j) >= 0) \ + while (sd_journal_previous(j) > 0) + +#define SD_JOURNAL_FOREACH_DATA(j, data, l) \ + for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) + +#define SD_JOURNAL_FOREACH_UNIQUE(j, data, l) \ + for (sd_journal_restart_unique(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) + +#endif |