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/*-*- 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 <syslog.h>
#include <stdbool.h>
#include <stdarg.h>
#include <errno.h>
#include "macro.h"
typedef enum LogTarget{
LOG_TARGET_CONSOLE,
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);
void log_show_location(bool b);
int log_show_color_from_string(const char *e);
int log_show_location_from_string(const char *e);
LogTarget log_get_target(void);
int log_get_max_level(void);
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_meta(
int level,
const char*file,
int line,
const char *func,
const char *format, ...) _printf_attr_(5,6);
int log_metav(
int level,
const char*file,
int line,
const char *func,
const char *format,
va_list ap);
_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);
/* This modifies the buffer passed! */
int log_dump_internal(
int level,
const char*file,
int line,
const char *func,
char *buffer);
#define log_full(level, ...) log_meta(level, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_debug(...) log_meta(LOG_DEBUG, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_info(...) log_meta(LOG_INFO, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_notice(...) log_meta(LOG_NOTICE, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
#define log_error(...) log_meta(LOG_ERR, __FILE__, __LINE__, __func__, __VA_ARGS__)
static inline int log_oom(void) {
log_error("Out of memory.");
return -ENOMEM;
}
/* This modifies the buffer passed! */
#define log_dump(level, buffer) log_dump_internal(level, __FILE__, __LINE__, __func__, buffer)
const char *log_target_to_string(LogTarget target);
LogTarget log_target_from_string(const char *s);
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