1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
7 This file is part of systemd.
9 Copyright 2011 Lennart Poettering
11 systemd is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 systemd is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 #include <sys/types.h>
34 * - add options for copy-to-console, copy-to-kmsg
35 * - OR of matches is borked...
36 * - extend hash tables table as we go
37 * - accelerate looking for "all hostnames" and suchlike.
38 * - hookup with systemctl
39 * - handle incomplete header
41 * - local deserializer
45 * - check LE/BE conversion for 8bit, 16bit, 32bit values
46 * - cryptographic hash
47 * - think about manipulations of header
48 * - implement audit gateway
53 int sd_journal_print(int piority, const char *format, ...) __attribute__ ((format (printf, 2, 3)));
54 int sd_journal_printv(int priority, const char *format, va_list ap);
56 int sd_journal_send(const char *format, ...) __attribute__((sentinel));
57 int sd_journal_sendv(const struct iovec *iov, int n);
59 int sd_journal_stream_fd(const char *tag, int priority, int priority_prefix);
61 /* Browse journal stream */
63 typedef struct sd_journal sd_journal;
66 SD_JOURNAL_LOCAL_ONLY = 1,
67 SD_JOURNAL_RUNTIME_ONLY = 2,
68 SD_JOURNAL_SYSTEM_ONLY = 4
71 int sd_journal_open(sd_journal **ret, int flags);
72 void sd_journal_close(sd_journal *j);
74 int sd_journal_previous(sd_journal *j);
75 int sd_journal_next(sd_journal *j);
77 int sd_journal_previous_skip(sd_journal *j, uint64_t skip);
78 int sd_journal_next_skip(sd_journal *j, uint64_t skip);
80 int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret);
81 int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id128_t *ret_boot_id);
82 int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *l);
83 int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *l);
84 void sd_journal_restart_data(sd_journal *j);
86 int sd_journal_add_match(sd_journal *j, const void *data, size_t size);
87 void sd_journal_flush_matches(sd_journal *j);
89 int sd_journal_seek_head(sd_journal *j);
90 int sd_journal_seek_tail(sd_journal *j);
91 int sd_journal_seek_monotonic_usec(sd_journal *j, sd_id128_t boot_id, uint64_t usec);
92 int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec);
93 int sd_journal_seek_cursor(sd_journal *j, const char *cursor);
95 int sd_journal_get_cursor(sd_journal *j, char **cursor);
97 int sd_journal_query_unique(sd_journal *j, const char *field); /* missing */
98 int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); /* missing */
99 void sd_journal_restart_unique(sd_journal *j); /* missing */
104 SD_JOURNAL_INVALIDATE_ADD,
105 SD_JOURNAL_INVALIDATE_REMOVE
108 int sd_journal_get_fd(sd_journal *j);
109 int sd_journal_process(sd_journal *j);
111 #define SD_JOURNAL_FOREACH(j) \
112 if (sd_journal_seek_head(j) >= 0) \
113 while (sd_journal_next(j) > 0)
115 #define SD_JOURNAL_FOREACH_BACKWARDS(j) \
116 if (sd_journal_seek_tail(j) >= 0) \
117 while (sd_journal_previous(j) > 0)
119 #define SD_JOURNAL_FOREACH_DATA(j, data, l) \
120 for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; )
122 #define SD_JOURNAL_FOREACH_UNIQUE(j, data, l) \
123 for (sd_journal_restart_unique(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; )