116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <syslog.h>
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#include <stdbool.h>
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#include <stdarg.h>
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#include <errno.h>
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#include "macro.h"
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typedef enum LogTarget{
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LOG_TARGET_CONSOLE,
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LOG_TARGET_KMSG,
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LOG_TARGET_JOURNAL,
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LOG_TARGET_JOURNAL_OR_KMSG,
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LOG_TARGET_SYSLOG,
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LOG_TARGET_SYSLOG_OR_KMSG,
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LOG_TARGET_AUTO, /* console if stderr is tty, JOURNAL_OR_KMSG otherwise */
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LOG_TARGET_SAFE, /* console if stderr is tty, KMSG otherwise */
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LOG_TARGET_NULL,
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_LOG_TARGET_MAX,
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_LOG_TARGET_INVALID = -1
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} LogTarget;
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void log_set_target(LogTarget target);
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void log_set_max_level(int level);
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void log_set_facility(int facility);
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int log_set_target_from_string(const char *e);
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int log_set_max_level_from_string(const char *e);
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void log_show_color(bool b);
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void log_show_location(bool b);
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int log_show_color_from_string(const char *e);
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int log_show_location_from_string(const char *e);
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LogTarget log_get_target(void);
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int log_get_max_level(void);
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int log_open(void);
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void log_close(void);
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void log_forget_fds(void);
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void log_close_syslog(void);
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void log_close_journal(void);
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void log_close_kmsg(void);
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void log_close_console(void);
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void log_parse_environment(void);
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int log_meta(
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int level,
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const char*file,
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int line,
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const char *func,
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const char *format, ...) _printf_attr_(5,6);
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int log_metav(
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int level,
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const char*file,
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int line,
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const char *func,
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const char *format,
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va_list ap);
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_noreturn_ void log_assert_failed(const char *text, const char *file, int line, const char *func);
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_noreturn_ void log_assert_failed_unreachable(const char *text, const char *file, int line, const char *func);
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/* This modifies the buffer passed! */
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int log_dump_internal(
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int level,
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const char*file,
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int line,
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const char *func,
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char *buffer);
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#define log_full(level, ...) log_meta(level, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_debug(...) log_meta(LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_info(...) log_meta(LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_notice(...) log_meta(LOG_NOTICE, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
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#define log_error(...) log_meta(LOG_ERR, __FILE__, __LINE__, __func__, __VA_ARGS__)
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static inline int log_oom(void) {
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log_error("Out of memory.");
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return -ENOMEM;
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}
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/* This modifies the buffer passed! */
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#define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer)
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const char *log_target_to_string(LogTarget target);
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LogTarget log_target_from_string(const char *s);
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