1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
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
13 (at your option) any later version.
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
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
32 typedef enum LogTarget{
36 LOG_TARGET_JOURNAL_OR_KMSG,
38 LOG_TARGET_SYSLOG_OR_KMSG,
39 LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
40 LOG_TARGET_SAFE, /* console if stderr is tty, KMSG otherwise */
43 _LOG_TARGET_INVALID = -1
46 void log_set_target(LogTarget target);
47 void log_set_max_level(int level);
48 void log_set_facility(int facility);
50 int log_set_target_from_string(const char *e);
51 int log_set_max_level_from_string(const char *e);
53 void log_show_color(bool b);
54 void log_show_location(bool b);
56 int log_show_color_from_string(const char *e);
57 int log_show_location_from_string(const char *e);
59 LogTarget log_get_target(void) _pure_;
60 int log_get_max_level(void) _pure_;
64 void log_forget_fds(void);
66 void log_close_syslog(void);
67 void log_close_journal(void);
68 void log_close_kmsg(void);
69 void log_close_console(void);
71 void log_parse_environment(void);
78 const char *format, ...) _printf_(5,6);
86 va_list ap) _printf_(5,0);
93 const char *object_name,
95 const char *format, ...) _printf_(7,8);
102 const char *object_name,
105 va_list ap) _printf_(7,0);
107 int log_struct_internal(
112 const char *format, ...) _printf_(5,0) _sentinel_;
114 int log_oom_internal(
119 /* This modifies the buffer passed! */
120 int log_dump_internal(
127 _noreturn_ void log_assert_failed(
133 _noreturn_ void log_assert_failed_unreachable(
139 #define log_full(level, ...) \
141 if (log_get_max_level() >= (level)) \
142 log_meta((level), __FILE__, __LINE__, __func__, __VA_ARGS__); \
145 #define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__)
146 #define log_info(...) log_full(LOG_INFO, __VA_ARGS__)
147 #define log_notice(...) log_full(LOG_NOTICE, __VA_ARGS__)
148 #define log_warning(...) log_full(LOG_WARNING, __VA_ARGS__)
149 #define log_error(...) log_full(LOG_ERR, __VA_ARGS__)
151 #define log_struct(level, ...) log_struct_internal(level, __FILE__, __LINE__, __func__, __VA_ARGS__)
153 #define log_oom() log_oom_internal(__FILE__, __LINE__, __func__)
155 /* This modifies the buffer passed! */
156 #define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer)
158 bool log_on_console(void) _pure_;
160 const char *log_target_to_string(LogTarget target) _const_;
161 LogTarget log_target_from_string(const char *s) _pure_;
163 #define MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x)