2010-08-17 03:33:07 +02:00
|
|
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
2010-01-20 19:18:52 +01:00
|
|
|
|
2012-07-18 19:07:51 +02:00
|
|
|
#pragma once
|
2010-01-20 19:18:52 +01:00
|
|
|
|
2010-02-03 13:03:47 +01:00
|
|
|
/***
|
|
|
|
This file is part of systemd.
|
|
|
|
|
|
|
|
Copyright 2010 Lennart Poettering
|
|
|
|
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
2012-04-12 00:20:58 +02:00
|
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
2010-02-03 13:03:47 +01:00
|
|
|
(at your option) any later version.
|
|
|
|
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
2012-04-12 00:20:58 +02:00
|
|
|
Lesser General Public License for more details.
|
2010-02-03 13:03:47 +01:00
|
|
|
|
2012-04-12 00:20:58 +02:00
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
2010-02-03 13:03:47 +01:00
|
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
***/
|
|
|
|
|
2010-06-17 22:52:55 +02:00
|
|
|
#include <stdbool.h>
|
2012-03-14 14:54:41 +01:00
|
|
|
#include <stdarg.h>
|
2014-02-10 02:08:55 +01:00
|
|
|
#include <syslog.h>
|
|
|
|
#include <sys/signalfd.h>
|
2014-11-06 06:04:06 +01:00
|
|
|
#include <sys/types.h>
|
|
|
|
#include <unistd.h>
|
2012-07-25 23:55:59 +02:00
|
|
|
#include <errno.h>
|
2010-01-20 19:18:52 +01:00
|
|
|
|
|
|
|
#include "macro.h"
|
2012-12-05 11:59:05 +01:00
|
|
|
#include "sd-id128.h"
|
2010-01-20 19:18:52 +01:00
|
|
|
|
2010-04-06 21:57:45 +02:00
|
|
|
typedef enum LogTarget{
|
|
|
|
LOG_TARGET_CONSOLE,
|
|
|
|
LOG_TARGET_KMSG,
|
2012-01-12 04:34:31 +01:00
|
|
|
LOG_TARGET_JOURNAL,
|
|
|
|
LOG_TARGET_JOURNAL_OR_KMSG,
|
2010-05-15 17:25:08 +02:00
|
|
|
LOG_TARGET_SYSLOG,
|
|
|
|
LOG_TARGET_SYSLOG_OR_KMSG,
|
2012-01-12 04:34:31 +01:00
|
|
|
LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
|
2012-05-22 22:00:37 +02:00
|
|
|
LOG_TARGET_SAFE, /* console if stderr is tty, KMSG otherwise */
|
2010-06-09 15:37:37 +02:00
|
|
|
LOG_TARGET_NULL,
|
2010-04-06 21:57:45 +02:00
|
|
|
_LOG_TARGET_MAX,
|
|
|
|
_LOG_TARGET_INVALID = -1
|
|
|
|
} LogTarget;
|
|
|
|
|
|
|
|
void log_set_target(LogTarget target);
|
|
|
|
void log_set_max_level(int level);
|
2012-04-03 19:25:29 +02:00
|
|
|
void log_set_facility(int facility);
|
2010-04-06 21:57:45 +02:00
|
|
|
|
2010-04-06 23:38:32 +02:00
|
|
|
int log_set_target_from_string(const char *e);
|
|
|
|
int log_set_max_level_from_string(const char *e);
|
|
|
|
|
2010-06-17 22:52:55 +02:00
|
|
|
void log_show_color(bool b);
|
2014-02-16 00:13:46 +01:00
|
|
|
bool log_get_show_color(void) _pure_;
|
2010-06-17 22:52:55 +02:00
|
|
|
void log_show_location(bool b);
|
2014-02-16 00:13:46 +01:00
|
|
|
bool log_get_show_location(void) _pure_;
|
2010-06-17 22:52:55 +02:00
|
|
|
|
|
|
|
int log_show_color_from_string(const char *e);
|
|
|
|
int log_show_location_from_string(const char *e);
|
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
LogTarget log_get_target(void) _pure_;
|
|
|
|
int log_get_max_level(void) _pure_;
|
2010-04-10 17:40:18 +02:00
|
|
|
|
2010-05-15 17:25:08 +02:00
|
|
|
int log_open(void);
|
2011-07-25 21:22:57 +02:00
|
|
|
void log_close(void);
|
2011-11-16 23:45:01 +01:00
|
|
|
void log_forget_fds(void);
|
2010-05-15 17:25:08 +02:00
|
|
|
|
2010-04-06 21:57:45 +02:00
|
|
|
void log_close_syslog(void);
|
2012-01-12 04:34:31 +01:00
|
|
|
void log_close_journal(void);
|
2010-05-15 17:25:08 +02:00
|
|
|
void log_close_kmsg(void);
|
|
|
|
void log_close_console(void);
|
2010-04-06 21:57:45 +02:00
|
|
|
|
2010-04-06 23:38:32 +02:00
|
|
|
void log_parse_environment(void);
|
|
|
|
|
2014-11-27 20:20:23 +01:00
|
|
|
int log_internal(
|
2012-08-24 22:21:20 +02:00
|
|
|
int level,
|
2014-11-27 19:48:02 +01:00
|
|
|
int error,
|
2014-11-27 20:20:23 +01:00
|
|
|
const char *file,
|
2012-08-24 22:21:20 +02:00
|
|
|
int line,
|
|
|
|
const char *func,
|
2014-11-27 19:48:02 +01:00
|
|
|
const char *format, ...) _printf_(6,7);
|
2010-01-20 19:18:52 +01:00
|
|
|
|
2014-11-27 20:20:23 +01:00
|
|
|
int log_internalv(
|
2012-08-24 22:21:20 +02:00
|
|
|
int level,
|
2014-11-27 19:48:02 +01:00
|
|
|
int error,
|
2014-11-27 20:20:23 +01:00
|
|
|
const char *file,
|
2012-08-24 22:21:20 +02:00
|
|
|
int line,
|
|
|
|
const char *func,
|
|
|
|
const char *format,
|
2014-11-27 19:48:02 +01:00
|
|
|
va_list ap) _printf_(6,0);
|
2012-08-24 22:21:20 +02:00
|
|
|
|
2014-11-27 20:20:23 +01:00
|
|
|
int log_object_internal(
|
2013-01-05 17:59:46 +01:00
|
|
|
int level,
|
2014-11-27 19:48:02 +01:00
|
|
|
int error,
|
2014-11-27 20:20:23 +01:00
|
|
|
const char *file,
|
2013-01-05 17:59:46 +01:00
|
|
|
int line,
|
|
|
|
const char *func,
|
2014-11-27 20:20:23 +01:00
|
|
|
const char *object_field,
|
2013-01-05 17:59:46 +01:00
|
|
|
const char *object,
|
2014-11-27 19:48:02 +01:00
|
|
|
const char *format, ...) _printf_(8,9);
|
2013-01-05 17:59:46 +01:00
|
|
|
|
2014-11-27 20:20:23 +01:00
|
|
|
int log_object_internalv(
|
2013-01-05 17:59:46 +01:00
|
|
|
int level,
|
2014-11-27 19:48:02 +01:00
|
|
|
int error,
|
2013-01-05 17:59:46 +01:00
|
|
|
const char*file,
|
|
|
|
int line,
|
|
|
|
const char *func,
|
2014-11-27 20:20:23 +01:00
|
|
|
const char *object_field,
|
2013-01-05 17:59:46 +01:00
|
|
|
const char *object,
|
|
|
|
const char *format,
|
2014-11-27 19:48:02 +01:00
|
|
|
va_list ap) _printf_(8,0);
|
2013-01-05 17:59:46 +01:00
|
|
|
|
2012-08-24 22:21:20 +02:00
|
|
|
int log_struct_internal(
|
|
|
|
int level,
|
2014-11-27 19:48:02 +01:00
|
|
|
int error,
|
2012-08-24 22:21:20 +02:00
|
|
|
const char *file,
|
|
|
|
int line,
|
|
|
|
const char *func,
|
2014-11-27 19:48:02 +01:00
|
|
|
const char *format, ...) _printf_(6,0) _sentinel_;
|
2012-08-24 22:21:20 +02:00
|
|
|
|
|
|
|
int log_oom_internal(
|
|
|
|
const char *file,
|
|
|
|
int line,
|
|
|
|
const char *func);
|
2010-04-22 03:51:26 +02:00
|
|
|
|
2010-06-04 19:45:53 +02:00
|
|
|
/* This modifies the buffer passed! */
|
|
|
|
int log_dump_internal(
|
2012-08-24 22:21:20 +02:00
|
|
|
int level,
|
2014-11-27 19:48:02 +01:00
|
|
|
int error,
|
2014-11-27 20:20:23 +01:00
|
|
|
const char *file,
|
2012-08-24 22:21:20 +02:00
|
|
|
int line,
|
|
|
|
const char *func,
|
|
|
|
char *buffer);
|
|
|
|
|
2014-11-27 19:48:02 +01:00
|
|
|
/* Logging for various assertions */
|
2013-12-16 17:53:53 +01:00
|
|
|
noreturn void log_assert_failed(
|
2012-08-24 22:21:20 +02:00
|
|
|
const char *text,
|
|
|
|
const char *file,
|
|
|
|
int line,
|
|
|
|
const char *func);
|
|
|
|
|
2013-12-16 17:53:53 +01:00
|
|
|
noreturn void log_assert_failed_unreachable(
|
2012-08-24 22:21:20 +02:00
|
|
|
const char *text,
|
|
|
|
const char *file,
|
|
|
|
int line,
|
|
|
|
const char *func);
|
2013-12-10 18:01:10 +01:00
|
|
|
|
|
|
|
void log_assert_failed_return(
|
|
|
|
const char *text,
|
|
|
|
const char *file,
|
|
|
|
int line,
|
|
|
|
const char *func);
|
2010-06-04 19:45:53 +02:00
|
|
|
|
2014-11-27 19:48:02 +01:00
|
|
|
/* Logging with level */
|
2014-11-28 03:10:55 +01:00
|
|
|
#define log_full_errno(level, error, ...) \
|
|
|
|
({ \
|
|
|
|
int _l = (level), _e = (error); \
|
|
|
|
(log_get_max_level() >= _l) \
|
|
|
|
? log_internal(_l, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
|
|
|
|
: -abs(_e); \
|
|
|
|
})
|
2013-10-20 21:17:55 +02:00
|
|
|
|
2014-11-27 19:48:02 +01:00
|
|
|
#define log_full(level, ...) log_full_errno(level, 0, __VA_ARGS__)
|
|
|
|
|
|
|
|
/* Normal logging */
|
2014-11-06 06:04:06 +01:00
|
|
|
#define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__)
|
|
|
|
#define log_info(...) log_full(LOG_INFO, __VA_ARGS__)
|
|
|
|
#define log_notice(...) log_full(LOG_NOTICE, __VA_ARGS__)
|
|
|
|
#define log_warning(...) log_full(LOG_WARNING, __VA_ARGS__)
|
|
|
|
#define log_error(...) log_full(LOG_ERR, __VA_ARGS__)
|
|
|
|
#define log_emergency(...) log_full(getpid() == 1 ? LOG_EMERG : LOG_ERR, __VA_ARGS__)
|
2010-01-20 19:18:52 +01:00
|
|
|
|
2014-11-27 19:48:02 +01:00
|
|
|
/* Logging triggered by an errno-like error */
|
|
|
|
#define log_debug_errno(error, ...) log_full_errno(LOG_DEBUG, error, __VA_ARGS__)
|
|
|
|
#define log_info_errno(error, ...) log_full_errno(LOG_INFO, error, __VA_ARGS__)
|
|
|
|
#define log_notice_errno(error, ...) log_full_errno(LOG_NOTICE, error, __VA_ARGS__)
|
|
|
|
#define log_warning_errno(error, ...) log_full_errno(LOG_WARNING, error, __VA_ARGS__)
|
|
|
|
#define log_error_errno(error, ...) log_full_errno(LOG_ERR, error, __VA_ARGS__)
|
|
|
|
#define log_emergency_errno(error, ...) log_full_errno(getpid() == 1 ? LOG_EMERG : LOG_ERR, __VA_ARGS__)
|
|
|
|
|
2014-10-23 06:27:57 +02:00
|
|
|
#ifdef LOG_TRACE
|
|
|
|
# define log_trace(...) log_debug(__VA_ARGS__)
|
|
|
|
#else
|
|
|
|
# define log_trace(...) do {} while(0)
|
|
|
|
#endif
|
|
|
|
|
2014-11-27 19:48:02 +01:00
|
|
|
/* Structured logging */
|
|
|
|
#define log_struct(level, ...) log_struct_internal(level, 0, __FILE__, __LINE__, __func__, __VA_ARGS__)
|
|
|
|
#define log_struct_errno(level, error, ...) log_struct_internal(level, error, __FILE__, __LINE__, __func__, __VA_ARGS__)
|
2012-07-25 23:55:59 +02:00
|
|
|
|
2010-06-04 19:45:53 +02:00
|
|
|
/* This modifies the buffer passed! */
|
2014-11-27 19:48:02 +01:00
|
|
|
#define log_dump(level, buffer) log_dump_internal(level, 0, __FILE__, __LINE__, __func__, buffer)
|
|
|
|
|
|
|
|
#define log_oom() log_oom_internal(__FILE__, __LINE__, __func__)
|
2010-06-04 19:45:53 +02:00
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
bool log_on_console(void) _pure_;
|
2012-08-24 22:43:33 +02:00
|
|
|
|
2013-05-03 04:51:50 +02:00
|
|
|
const char *log_target_to_string(LogTarget target) _const_;
|
|
|
|
LogTarget log_target_from_string(const char *s) _pure_;
|
2012-10-16 16:26:41 +02:00
|
|
|
|
2014-11-28 02:05:14 +01:00
|
|
|
/* Helpers to prepare various fields for structured logging */
|
|
|
|
#define LOG_MESSAGE(fmt, ...) "MESSAGE=" fmt, ##__VA_ARGS__
|
|
|
|
#define LOG_MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x)
|
2014-11-28 02:12:30 +01:00
|
|
|
#define LOG_ERRNO(error) "ERRNO=%i", abs(error)
|
2014-02-10 02:08:55 +01:00
|
|
|
|
|
|
|
void log_received_signal(int level, const struct signalfd_siginfo *si);
|
2014-08-11 20:08:08 +02:00
|
|
|
|
|
|
|
void log_set_upgrade_syslog_to_journal(bool b);
|