src/helper/log.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifndef ERROR_H
  21 #define ERROR_H
  22
  23 #include "command.h"
  24
  25 #include <stdarg.h>
  26
  27 /* logging priorities
  28  * LOG_ERROR - fatal errors, that are likely to cause program abort
  29  * LOG_WARNING - non-fatal errors, that may be resolved later
  30  * LOG_INFO - state information, etc.
  31  * LOG_DEBUG - debug statements, execution trace
  32  */
  33 enum log_levels
  34 {
  35         LOG_ERROR = 0,
  36         LOG_WARNING = 1,
  37         LOG_INFO = 2,
  38         LOG_DEBUG = 3
  39 };
  40
  41 extern void log_printf(enum log_levels level, const char *file, int line,
  42         const char *function, const char *format, ...)
  43         __attribute__ ((format (printf, 5, 6)));
  44 extern int log_register_commands(struct command_context_s *cmd_ctx);
  45 extern int log_init(struct command_context_s *cmd_ctx);
  46
  47 extern int debug_level;
  48
  49 #define DEBUG(expr ...) \
  50         do { \
  51                 log_printf (LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, expr); \
  52         } while(0)
  53
  54 #define INFO(expr ...) \
  55         do { \
  56                 log_printf (LOG_INFO, __FILE__, __LINE__, __FUNCTION__, expr); \
  57         } while(0)
  58
  59 #define WARNING(expr ...) \
  60         do { \
  61                 log_printf (LOG_WARNING, __FILE__, __LINE__, __FUNCTION__, expr); \
  62         } while(0)
  63
  64 #define ERROR(expr ...) \
  65         do { \
  66                 log_printf (LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, expr); \
  67         } while(0)
  68
  69 #define SDEBUG(expr ...) \
  70         do { \
  71                 short_log_printf (LOG_DEBUG, expr); \
  72         } while(0)
  73
  74 #define SINFO(expr ...) \
  75         do { \
  76                 short_log_printf (LOG_INFO, expr); \
  77         } while(0)
  78
  79 #define SWARNING(expr ...) \
  80         do { \
  81                 short_log_printf (LOG_WARNING, expr); \
  82         } while(0)
  83
  84 #define SERROR(expr ...) \
  85         do { \
  86                 short_log_printf (LOG_ERROR, expr); \
  87         } while(0)
  88
  89 /* general failures
  90  * error codes < 100
  91  */
  92 #define ERROR_OK                                        (0)
  93 #define ERROR_INVALID_ARGUMENTS         (-1)
  94 #define ERROR_NO_CONFIG_FILE            (-2)
  95 #define ERROR_BUF_TOO_SMALL                     (-3)
  96
  97 #endif /* ERROR_H */