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03467c88 | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5899f3b7 | 2 | |
c2f1db8f | 3 | #pragma once |
5899f3b7 | 4 | |
a7334b09 LP |
5 | /*** |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
11 | under the terms of the GNU Lesser General Public License as published by |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
13 | (at your option) any later version. |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 18 | Lesser General Public License for more details. |
a7334b09 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | ***/ | |
23 | ||
bbe63281 | 24 | #include <stdbool.h> |
17a94911 | 25 | #include <stdarg.h> |
4daf54a8 ZJS |
26 | #include <syslog.h> |
27 | #include <sys/signalfd.h> | |
0d0f0c50 | 28 | #include <errno.h> |
5899f3b7 LP |
29 | |
30 | #include "macro.h" | |
20ad4cfd | 31 | #include "sd-id128.h" |
5899f3b7 | 32 | |
16801e90 LP |
33 | typedef enum LogTarget{ |
34 | LOG_TARGET_CONSOLE, | |
16801e90 | 35 | LOG_TARGET_KMSG, |
5ba081b0 LP |
36 | LOG_TARGET_JOURNAL, |
37 | LOG_TARGET_JOURNAL_OR_KMSG, | |
843d2643 LP |
38 | LOG_TARGET_SYSLOG, |
39 | LOG_TARGET_SYSLOG_OR_KMSG, | |
5ba081b0 | 40 | LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */ |
a6903061 | 41 | LOG_TARGET_SAFE, /* console if stderr is tty, KMSG otherwise */ |
9fae33d2 | 42 | LOG_TARGET_NULL, |
16801e90 LP |
43 | _LOG_TARGET_MAX, |
44 | _LOG_TARGET_INVALID = -1 | |
45 | } LogTarget; | |
46 | ||
47 | void log_set_target(LogTarget target); | |
48 | void log_set_max_level(int level); | |
3eff4208 | 49 | void log_set_facility(int facility); |
16801e90 | 50 | |
34f0e866 LP |
51 | int log_set_target_from_string(const char *e); |
52 | int log_set_max_level_from_string(const char *e); | |
53 | ||
bbe63281 | 54 | void log_show_color(bool b); |
b1e90ec5 | 55 | bool log_get_show_color(void) _pure_; |
bbe63281 | 56 | void log_show_location(bool b); |
b1e90ec5 | 57 | bool log_get_show_location(void) _pure_; |
bbe63281 LP |
58 | |
59 | int log_show_color_from_string(const char *e); | |
60 | int log_show_location_from_string(const char *e); | |
61 | ||
44a6b1b6 ZJS |
62 | LogTarget log_get_target(void) _pure_; |
63 | int log_get_max_level(void) _pure_; | |
1adf1049 | 64 | |
843d2643 | 65 | int log_open(void); |
871e5809 | 66 | void log_close(void); |
4d8a7798 | 67 | void log_forget_fds(void); |
843d2643 | 68 | |
16801e90 | 69 | void log_close_syslog(void); |
5ba081b0 | 70 | void log_close_journal(void); |
843d2643 LP |
71 | void log_close_kmsg(void); |
72 | void log_close_console(void); | |
16801e90 | 73 | |
34f0e866 LP |
74 | void log_parse_environment(void); |
75 | ||
843d2643 | 76 | int log_meta( |
877d54e9 LP |
77 | int level, |
78 | const char*file, | |
79 | int line, | |
80 | const char *func, | |
44b601bc | 81 | const char *format, ...) _printf_(5,6); |
5899f3b7 | 82 | |
17a94911 | 83 | int log_metav( |
877d54e9 LP |
84 | int level, |
85 | const char*file, | |
86 | int line, | |
87 | const char *func, | |
88 | const char *format, | |
44b601bc | 89 | va_list ap) _printf_(5,0); |
877d54e9 | 90 | |
fdf9f9bb ZJS |
91 | int log_meta_object( |
92 | int level, | |
93 | const char*file, | |
94 | int line, | |
95 | const char *func, | |
96 | const char *object_name, | |
97 | const char *object, | |
44b601bc | 98 | const char *format, ...) _printf_(7,8); |
fdf9f9bb ZJS |
99 | |
100 | int log_metav_object( | |
101 | int level, | |
102 | const char*file, | |
103 | int line, | |
104 | const char *func, | |
105 | const char *object_name, | |
106 | const char *object, | |
107 | const char *format, | |
44b601bc | 108 | va_list ap) _printf_(7,0); |
fdf9f9bb | 109 | |
877d54e9 LP |
110 | int log_struct_internal( |
111 | int level, | |
112 | const char *file, | |
113 | int line, | |
114 | const char *func, | |
44b601bc | 115 | const char *format, ...) _printf_(5,0) _sentinel_; |
877d54e9 LP |
116 | |
117 | int log_oom_internal( | |
118 | const char *file, | |
119 | int line, | |
120 | const char *func); | |
185986c6 | 121 | |
2149e37c LP |
122 | /* This modifies the buffer passed! */ |
123 | int log_dump_internal( | |
877d54e9 LP |
124 | int level, |
125 | const char*file, | |
126 | int line, | |
127 | const char *func, | |
128 | char *buffer); | |
129 | ||
919ce0b7 | 130 | noreturn void log_assert_failed( |
877d54e9 LP |
131 | const char *text, |
132 | const char *file, | |
133 | int line, | |
134 | const char *func); | |
135 | ||
919ce0b7 | 136 | noreturn void log_assert_failed_unreachable( |
877d54e9 LP |
137 | const char *text, |
138 | const char *file, | |
139 | int line, | |
140 | const char *func); | |
80514f9c LP |
141 | |
142 | void log_assert_failed_return( | |
143 | const char *text, | |
144 | const char *file, | |
145 | int line, | |
146 | const char *func); | |
2149e37c | 147 | |
87ff6b1c KS |
148 | #define log_full(level, ...) \ |
149 | do { \ | |
150 | if (log_get_max_level() >= (level)) \ | |
f24e8653 | 151 | log_meta((level), __FILE__, __LINE__, __func__, __VA_ARGS__); \ |
87ff6b1c KS |
152 | } while (0) |
153 | ||
154 | #define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__) | |
155 | #define log_info(...) log_full(LOG_INFO, __VA_ARGS__) | |
156 | #define log_notice(...) log_full(LOG_NOTICE, __VA_ARGS__) | |
157 | #define log_warning(...) log_full(LOG_WARNING, __VA_ARGS__) | |
158 | #define log_error(...) log_full(LOG_ERR, __VA_ARGS__) | |
5899f3b7 | 159 | |
877d54e9 LP |
160 | #define log_struct(level, ...) log_struct_internal(level, __FILE__, __LINE__, __func__, __VA_ARGS__) |
161 | ||
162 | #define log_oom() log_oom_internal(__FILE__, __LINE__, __func__) | |
0d0f0c50 | 163 | |
2149e37c LP |
164 | /* This modifies the buffer passed! */ |
165 | #define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer) | |
166 | ||
44a6b1b6 | 167 | bool log_on_console(void) _pure_; |
81270860 | 168 | |
44a6b1b6 ZJS |
169 | const char *log_target_to_string(LogTarget target) _const_; |
170 | LogTarget log_target_from_string(const char *s) _pure_; | |
706911fb LP |
171 | |
172 | #define MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x) | |
4daf54a8 ZJS |
173 | |
174 | void log_received_signal(int level, const struct signalfd_siginfo *si); |