log.h

   1 /*-*- Mode: C; c-basic-offset: 8 -*-*/
   2
   3 #ifndef foologhfoo
   4 #define foologhfoo
   5
   6 /***
   7   This file is part of systemd.
   8
   9   Copyright 2010 Lennart Poettering
  10
  11   systemd is free software; you can redistribute it and/or modify it
  12   under the terms of the GNU General Public License as published by
  13   the Free Software Foundation; either version 2 of the License, or
  14   (at your option) any later version.
  15
  16   systemd is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   General Public License for more details.
  20
  21   You should have received a copy of the GNU General Public License
  22   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  23 ***/
  24
  25 #include <syslog.h>
  26
  27 #include "macro.h"
  28
  29 typedef enum LogTarget{
  30         LOG_TARGET_CONSOLE,
  31         LOG_TARGET_SYSLOG,
  32         LOG_TARGET_KMSG,
  33         _LOG_TARGET_MAX,
  34         _LOG_TARGET_INVALID = -1
  35 }  LogTarget;
  36
  37 void log_set_target(LogTarget target);
  38 void log_set_max_level(int level);
  39
  40 int log_set_target_from_string(const char *e);
  41 int log_set_max_level_from_string(const char *e);
  42
  43 LogTarget log_get_target(void);
  44 int log_get_max_level(void);
  45
  46 void log_close_kmsg(void);
  47 int log_open_kmsg(void);
  48 void log_close_syslog(void);
  49 int log_open_syslog(void);
  50
  51 void log_parse_environment(void);
  52
  53 void log_meta(
  54         int level,
  55         const char*file,
  56         int line,
  57         const char *func,
  58         const char *format, ...) _printf_attr(5,6);
  59
  60 _noreturn void log_assert(
  61         const char*file,
  62         int line,
  63         const char *func,
  64         const char *format, ...) _printf_attr(4,5);
  65
  66 #define log_debug(...)   log_meta(LOG_DEBUG,   __FILE__, __LINE__, __func__, __VA_ARGS__)
  67 #define log_info(...)    log_meta(LOG_INFO,    __FILE__, __LINE__, __func__, __VA_ARGS__)
  68 #define log_notice(...)  log_meta(LOG_NOTICE,  __FILE__, __LINE__, __func__, __VA_ARGS__)
  69 #define log_warning(...) log_meta(LOG_WARNING, __FILE__, __LINE__, __func__, __VA_ARGS__)
  70 #define log_error(...)   log_meta(LOG_ERR,     __FILE__, __LINE__, __func__, __VA_ARGS__)
  71
  72 const char *log_target_to_string(LogTarget target);
  73 LogTarget log_target_from_string(const char *s);
  74
  75 #endif