+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#pragma once
-
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- 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
- (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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdbool.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <syslog.h>
-#include <sys/signalfd.h>
-#include <errno.h>
-
-#include "sd-id128.h"
-#include "macro.h"
-
-typedef enum LogTarget{
- LOG_TARGET_CONSOLE,
- LOG_TARGET_CONSOLE_PREFIXED,
- LOG_TARGET_KMSG,
- LOG_TARGET_JOURNAL,
- LOG_TARGET_JOURNAL_OR_KMSG,
- LOG_TARGET_SYSLOG,
- LOG_TARGET_SYSLOG_OR_KMSG,
- LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
- LOG_TARGET_SAFE, /* console if stderr is tty, KMSG otherwise */
- LOG_TARGET_NULL,
- _LOG_TARGET_MAX,
- _LOG_TARGET_INVALID = -1
-} LogTarget;
-
-void log_set_target(LogTarget target);
-void log_set_max_level(int level);
-void log_set_facility(int facility);
-
-int log_set_target_from_string(const char *e);
-int log_set_max_level_from_string(const char *e);
-
-void log_show_color(bool b);
-bool log_get_show_color(void) _pure_;
-void log_show_location(bool b);
-bool log_get_show_location(void) _pure_;
-
-int log_show_color_from_string(const char *e);
-int log_show_location_from_string(const char *e);
-
-LogTarget log_get_target(void) _pure_;
-int log_get_max_level(void) _pure_;
-
-int log_open(void);
-void log_close(void);
-void log_forget_fds(void);
-
-void log_close_syslog(void);
-void log_close_journal(void);
-void log_close_kmsg(void);
-void log_close_console(void);
-
-void log_parse_environment(void);
-
-int log_internal(
- int level,
- int error,
- const char *file,
- int line,
- const char *func,
- const char *format, ...) _printf_(6,7);
-
-int log_internalv(
- int level,
- int error,
- const char *file,
- int line,
- const char *func,
- const char *format,
- va_list ap) _printf_(6,0);
-
-int log_object_internal(
- int level,
- int error,
- const char *file,
- int line,
- const char *func,
- const char *object_field,
- const char *object,
- const char *format, ...) _printf_(8,9);
-
-int log_object_internalv(
- int level,
- int error,
- const char*file,
- int line,
- const char *func,
- const char *object_field,
- const char *object,
- const char *format,
- va_list ap) _printf_(8,0);
-
-int log_struct_internal(
- int level,
- int error,
- const char *file,
- int line,
- const char *func,
- const char *format, ...) _printf_(6,0) _sentinel_;
-
-int log_oom_internal(
- const char *file,
- int line,
- const char *func);
-
-/* This modifies the buffer passed! */
-int log_dump_internal(
- int level,
- int error,
- const char *file,
- int line,
- const char *func,
- char *buffer);
-
-/* Logging for various assertions */
-noreturn void log_assert_failed(
- const char *text,
- const char *file,
- int line,
- const char *func);
-
-noreturn void log_assert_failed_unreachable(
- const char *text,
- const char *file,
- int line,
- const char *func);
-
-void log_assert_failed_return(
- const char *text,
- const char *file,
- int line,
- const char *func);
-
-/* Logging with level */
-#define log_full_errno(level, error, ...) \
- ({ \
- int _level = (level), _e = (error); \
- (log_get_max_level() >= LOG_PRI(_level)) \
- ? log_internal(_level, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
- : -abs(_e); \
- })
-
-#define log_full(level, ...) log_full_errno(level, 0, __VA_ARGS__)
-
-/* Normal logging */
-#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__)
-
-/* 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, error, __VA_ARGS__)
-
-#ifdef LOG_TRACE
-# define log_trace(...) log_debug(__VA_ARGS__)
-#else
-# define log_trace(...) do {} while(0)
-#endif
-
-/* 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__)
-
-/* This modifies the buffer passed! */
-#define log_dump(level, buffer) log_dump_internal(level, 0, __FILE__, __LINE__, __func__, buffer)
-
-#define log_oom() log_oom_internal(__FILE__, __LINE__, __func__)
-
-bool log_on_console(void) _pure_;
-
-const char *log_target_to_string(LogTarget target) _const_;
-LogTarget log_target_from_string(const char *s) _pure_;
-
-/* 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)
-
-void log_received_signal(int level, const struct signalfd_siginfo *si);
-
-void log_set_upgrade_syslog_to_journal(bool b);
-
-int log_syntax_internal(
- const char *unit,
- int level,
- const char *config_file,
- unsigned config_line,
- int error,
- const char *file,
- int line,
- const char *func,
- const char *format, ...) _printf_(9, 10);
-
-#define log_syntax(unit, level, config_file, config_line, error, ...) \
- ({ \
- int _level = (level), _e = (error); \
- (log_get_max_level() >= LOG_PRI(_level)) \
- ? log_syntax_internal(unit, _level, config_file, config_line, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
- : -abs(_e); \
- })
~ianmdlvl / elogind.git / blobdiff