125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#ifndef foojournalhfoo
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#define foojournalhfoo
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/***
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This file is part of systemd.
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Copyright 2011 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <inttypes.h>
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#include <sys/types.h>
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#include <stdarg.h>
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#include <sys/uio.h>
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#include "sd-id128.h"
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/* TODO:
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*
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* - add options for copy-to-console, copy-to-kmsg
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* - OR of matches is borked...
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* - extend hash tables table as we go
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* - accelerate looking for "all hostnames" and suchlike.
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* - handle incomplete header
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*
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* - local deserializer
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* - http server
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* - message catalog
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*
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* - check LE/BE conversion for 8bit, 16bit, 32bit values
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* - cryptographic hash
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* - think about manipulations of header
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* - implement audit gateway
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*/
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/* Write to daemon */
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int sd_journal_print(int piority, const char *format, ...) __attribute__ ((format (printf, 2, 3)));
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int sd_journal_printv(int priority, const char *format, va_list ap);
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int sd_journal_send(const char *format, ...) __attribute__((sentinel));
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int sd_journal_sendv(const struct iovec *iov, int n);
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int sd_journal_stream_fd(const char *tag, int priority, int priority_prefix);
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/* Browse journal stream */
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typedef struct sd_journal sd_journal;
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enum {
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SD_JOURNAL_LOCAL_ONLY = 1,
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SD_JOURNAL_RUNTIME_ONLY = 2,
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SD_JOURNAL_SYSTEM_ONLY = 4
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};
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int sd_journal_open(sd_journal **ret, int flags);
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void sd_journal_close(sd_journal *j);
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int sd_journal_previous(sd_journal *j);
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int sd_journal_next(sd_journal *j);
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int sd_journal_previous_skip(sd_journal *j, uint64_t skip);
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int sd_journal_next_skip(sd_journal *j, uint64_t skip);
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int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret);
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int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id128_t *ret_boot_id);
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int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *l);
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int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *l);
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void sd_journal_restart_data(sd_journal *j);
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int sd_journal_add_match(sd_journal *j, const void *data, size_t size);
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void sd_journal_flush_matches(sd_journal *j);
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int sd_journal_seek_head(sd_journal *j);
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int sd_journal_seek_tail(sd_journal *j);
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int sd_journal_seek_monotonic_usec(sd_journal *j, sd_id128_t boot_id, uint64_t usec);
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int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec);
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int sd_journal_seek_cursor(sd_journal *j, const char *cursor);
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int sd_journal_get_cursor(sd_journal *j, char **cursor);
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int sd_journal_query_unique(sd_journal *j, const char *field); /* missing */
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int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); /* missing */
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void sd_journal_restart_unique(sd_journal *j); /* missing */
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enum {
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SD_JOURNAL_NOP,
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SD_JOURNAL_APPEND,
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SD_JOURNAL_INVALIDATE_ADD,
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SD_JOURNAL_INVALIDATE_REMOVE
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};
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int sd_journal_get_fd(sd_journal *j);
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int sd_journal_process(sd_journal *j);
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#define SD_JOURNAL_FOREACH(j) \
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if (sd_journal_seek_head(j) >= 0) \
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while (sd_journal_next(j) > 0)
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#define SD_JOURNAL_FOREACH_BACKWARDS(j) \
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if (sd_journal_seek_tail(j) >= 0) \
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while (sd_journal_previous(j) > 0)
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#define SD_JOURNAL_FOREACH_DATA(j, data, l) \
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for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; )
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#define SD_JOURNAL_FOREACH_UNIQUE(j, data, l) \
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for (sd_journal_restart_unique(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; )
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#endif
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