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87d2c1ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #ifndef foojournalhfoo | |
4 | #define foojournalhfoo | |
5 | ||
6 | /*** | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2011 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
12 | under the terms of the GNU Lesser General Public License as published by |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
87d2c1ff LP |
14 | (at your option) any later version. |
15 | ||
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 | |
5430f7f2 | 19 | Lesser General Public License for more details. |
87d2c1ff | 20 | |
5430f7f2 | 21 | You should have received a copy of the GNU Lesser General Public License |
87d2c1ff LP |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
23 | ***/ | |
24 | ||
25 | #include <inttypes.h> | |
26 | #include <sys/types.h> | |
7f3e6257 LP |
27 | #include <stdarg.h> |
28 | #include <sys/uio.h> | |
b070e7f3 | 29 | #include <syslog.h> |
87d2c1ff | 30 | |
8665a387 | 31 | #include <systemd/sd-id128.h> |
de190aef | 32 | |
f9873976 LP |
33 | #ifdef __cplusplus |
34 | extern "C" { | |
35 | #endif | |
36 | ||
cb07866b LP |
37 | /* Journal APIs. See sd-journal(3) for more information. */ |
38 | ||
7f3e6257 | 39 | /* Write to daemon */ |
e9116723 | 40 | int sd_journal_print(int priority, const char *format, ...) __attribute__ ((format (printf, 2, 3))); |
d0bbc21c | 41 | int sd_journal_printv(int priority, const char *format, va_list ap); |
7f3e6257 LP |
42 | int sd_journal_send(const char *format, ...) __attribute__((sentinel)); |
43 | int sd_journal_sendv(const struct iovec *iov, int n); | |
18c7ed18 | 44 | int sd_journal_perror(const char *message); |
7f3e6257 | 45 | |
a8eedf49 | 46 | /* Used by the macros below. Don't call this directly. */ |
b070e7f3 LP |
47 | int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) __attribute__ ((format (printf, 5, 6))); |
48 | int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap); | |
49 | int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) __attribute__((sentinel)); | |
50 | int sd_journal_sendv_with_location(const char *file, const char *line, const char *func, const struct iovec *iov, int n); | |
18c7ed18 | 51 | int sd_journal_perror_with_location(const char *file, const char *line, const char *func, const char *message); |
b070e7f3 LP |
52 | |
53 | /* implicitly add code location to messages sent, if this is enabled */ | |
54 | #ifndef SD_JOURNAL_SUPPRESS_LOCATION | |
55 | ||
56 | #define _sd_XSTRINGIFY(x) #x | |
57 | #define _sd_STRINGIFY(x) _sd_XSTRINGIFY(x) | |
58 | ||
59 | #define sd_journal_print(priority, ...) sd_journal_print_with_location(priority, "CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, __VA_ARGS__) | |
60 | #define sd_journal_printv(priority, format, ap) sd_journal_printv_with_location(priority, "CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, format, ap) | |
61 | #define sd_journal_send(...) sd_journal_send_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, __VA_ARGS__) | |
62 | #define sd_journal_sendv(iovec, n) sd_journal_sendv_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, iovec, n) | |
18c7ed18 | 63 | #define sd_journal_perror(message) sd_journal_perror_with_location("CODE_FILE=" __FILE__, "CODE_LINE=" _sd_STRINGIFY(__LINE__), __func__, message) |
b070e7f3 LP |
64 | |
65 | #endif | |
66 | ||
4cd9a9d9 | 67 | int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix); |
fe652127 | 68 | |
7f3e6257 LP |
69 | /* Browse journal stream */ |
70 | ||
87d2c1ff LP |
71 | typedef struct sd_journal sd_journal; |
72 | ||
3c1668da | 73 | /* Open flags */ |
cf244689 LP |
74 | enum { |
75 | SD_JOURNAL_LOCAL_ONLY = 1, | |
76 | SD_JOURNAL_RUNTIME_ONLY = 2, | |
77 | SD_JOURNAL_SYSTEM_ONLY = 4 | |
78 | }; | |
79 | ||
3c1668da LP |
80 | /* Wakeup event types */ |
81 | enum { | |
82 | SD_JOURNAL_NOP, | |
83 | SD_JOURNAL_APPEND, | |
84 | SD_JOURNAL_INVALIDATE | |
85 | }; | |
86 | ||
cf244689 | 87 | int sd_journal_open(sd_journal **ret, int flags); |
a963990f | 88 | int sd_journal_open_directory(sd_journal **ret, const char *path, int flags); |
87d2c1ff LP |
89 | void sd_journal_close(sd_journal *j); |
90 | ||
91 | int sd_journal_previous(sd_journal *j); | |
92 | int sd_journal_next(sd_journal *j); | |
93 | ||
de190aef LP |
94 | int sd_journal_previous_skip(sd_journal *j, uint64_t skip); |
95 | int sd_journal_next_skip(sd_journal *j, uint64_t skip); | |
96 | ||
cec736d2 | 97 | int sd_journal_get_realtime_usec(sd_journal *j, uint64_t *ret); |
de190aef | 98 | int sd_journal_get_monotonic_usec(sd_journal *j, uint64_t *ret, sd_id128_t *ret_boot_id); |
4171a667 | 99 | |
93b73b06 LP |
100 | int sd_journal_set_data_threshold(sd_journal *j, size_t sz); |
101 | int sd_journal_get_data_threshold(sd_journal *j, size_t *sz); | |
102 | ||
8725d60a LP |
103 | int sd_journal_get_data(sd_journal *j, const char *field, const void **data, size_t *l); |
104 | int sd_journal_enumerate_data(sd_journal *j, const void **data, size_t *l); | |
de190aef | 105 | void sd_journal_restart_data(sd_journal *j); |
87d2c1ff | 106 | |
1cc101f1 | 107 | int sd_journal_add_match(sd_journal *j, const void *data, size_t size); |
cbdca852 | 108 | int sd_journal_add_disjunction(sd_journal *j); |
cec736d2 | 109 | void sd_journal_flush_matches(sd_journal *j); |
87d2c1ff LP |
110 | |
111 | int sd_journal_seek_head(sd_journal *j); | |
112 | int sd_journal_seek_tail(sd_journal *j); | |
de190aef LP |
113 | int sd_journal_seek_monotonic_usec(sd_journal *j, sd_id128_t boot_id, uint64_t usec); |
114 | int sd_journal_seek_realtime_usec(sd_journal *j, uint64_t usec); | |
115 | int sd_journal_seek_cursor(sd_journal *j, const char *cursor); | |
87d2c1ff | 116 | |
3fbf9cbb | 117 | int sd_journal_get_cursor(sd_journal *j, char **cursor); |
c6511e85 | 118 | int sd_journal_test_cursor(sd_journal *j, const char *cursor); |
87d2c1ff | 119 | |
08984293 LP |
120 | int sd_journal_get_cutoff_realtime_usec(sd_journal *j, uint64_t *from, uint64_t *to); |
121 | int sd_journal_get_cutoff_monotonic_usec(sd_journal *j, const sd_id128_t boot_id, uint64_t *from, uint64_t *to); | |
122 | ||
a1a03e30 LP |
123 | int sd_journal_get_usage(sd_journal *j, uint64_t *bytes); |
124 | ||
3c1668da LP |
125 | int sd_journal_query_unique(sd_journal *j, const char *field); |
126 | int sd_journal_enumerate_unique(sd_journal *j, const void **data, size_t *l); | |
127 | void sd_journal_restart_unique(sd_journal *j); | |
1cc101f1 | 128 | |
50f20cfd | 129 | int sd_journal_get_fd(sd_journal *j); |
ee531d94 | 130 | int sd_journal_get_events(sd_journal *j); |
85210bff | 131 | int sd_journal_reliable_fd(sd_journal *j); |
50f20cfd | 132 | int sd_journal_process(sd_journal *j); |
e02d1cf7 | 133 | int sd_journal_wait(sd_journal *j, uint64_t timeout_usec); |
1cc101f1 | 134 | |
d4205751 | 135 | int sd_journal_get_catalog(sd_journal *j, char **text); |
8f1e860f | 136 | int sd_journal_get_catalog_for_message_id(sd_id128_t id, char **ret); |
d4205751 | 137 | |
de190aef LP |
138 | #define SD_JOURNAL_FOREACH(j) \ |
139 | if (sd_journal_seek_head(j) >= 0) \ | |
50f20cfd | 140 | while (sd_journal_next(j) > 0) |
8725d60a | 141 | |
de190aef LP |
142 | #define SD_JOURNAL_FOREACH_BACKWARDS(j) \ |
143 | if (sd_journal_seek_tail(j) >= 0) \ | |
50f20cfd | 144 | while (sd_journal_previous(j) > 0) |
3fbf9cbb | 145 | |
8725d60a | 146 | #define SD_JOURNAL_FOREACH_DATA(j, data, l) \ |
de190aef | 147 | for (sd_journal_restart_data(j); sd_journal_enumerate_data((j), &(data), &(l)) > 0; ) |
3fbf9cbb | 148 | |
3c1668da LP |
149 | #define SD_JOURNAL_FOREACH_UNIQUE(j, data, l) \ |
150 | for (sd_journal_restart_unique(j); sd_journal_enumerate_unique((j), &(data), &(l)) > 0; ) | |
3fbf9cbb | 151 | |
f9873976 LP |
152 | #ifdef __cplusplus |
153 | } | |
154 | #endif | |
155 | ||
87d2c1ff | 156 | #endif |