1 /***************************************************************************
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2 * Copyright (C) 2005 by Dominic Rath *
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3 * Dominic.Rath@gmx.de *
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5 * This program is free software; you can redistribute it and/or modify *
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6 * it under the terms of the GNU General Public License as published by *
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7 * the Free Software Foundation; either version 2 of the License, or *
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8 * (at your option) any later version. *
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10 * This program is distributed in the hope that it will be useful, *
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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13 * GNU General Public License for more details. *
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15 * You should have received a copy of the GNU General Public License *
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16 * along with this program; if not, write to the *
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17 * Free Software Foundation, Inc., *
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18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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19 ***************************************************************************/
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23 #include "replacements.h"
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24 #include "command.h"
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28 /* logging priorities
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29 * LOG_USER - user messages. Could be anything from information
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30 * to progress messags. These messages do not represent
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31 * incorrect or unexpected behaviour, just normal execution.
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32 * LOG_ERROR - fatal errors, that are likely to cause program abort
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33 * LOG_WARNING - non-fatal errors, that may be resolved later
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34 * LOG_INFO - state information, etc.
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35 * LOG_DEBUG - debug statements, execution trace
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47 extern void log_printf(enum log_levels level, const char *file, int line,
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48 const char *function, const char *format, ...)
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49 __attribute__ ((format (printf, 5, 6)));
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50 extern int log_register_commands(struct command_context_s *cmd_ctx);
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51 extern int log_init(struct command_context_s *cmd_ctx);
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52 extern int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
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54 typedef void (*log_callback_fn)(void *priv, const char *file, int line,
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55 const char *function, const char *format, va_list args);
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57 typedef struct log_callback_s
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61 struct log_callback_s *next;
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64 extern int log_add_callback(log_callback_fn fn, void *priv);
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65 extern int log_remove_callback(log_callback_fn fn, void *priv);
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67 char *alloc_printf(const char *fmt, va_list ap);
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69 extern int debug_level;
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71 /* Avoid fn call and building parameter list if we're not outputting the information.
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72 * Matters on feeble CPUs for DEBUG/INFO statements that are involved frequently */
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74 #define DEBUG(expr ...) \
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75 do { if (debug_level >= LOG_DEBUG) \
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76 log_printf (LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, expr); \
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79 #define INFO(expr ...) \
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80 do { if (debug_level >= LOG_INFO) \
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81 log_printf (LOG_INFO, __FILE__, __LINE__, __FUNCTION__, expr); \
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84 #define WARNING(expr ...) \
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86 log_printf (LOG_WARNING, __FILE__, __LINE__, __FUNCTION__, expr); \
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89 #define ERROR(expr ...) \
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91 log_printf (LOG_ERROR, __FILE__, __LINE__, __FUNCTION__, expr); \
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94 #define USER(expr ...) \
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96 log_printf (LOG_USER, __FILE__, __LINE__, __FUNCTION__, expr); \
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99 #define OUTPUT(expr ...) \
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101 log_printf (LOG_OUTPUT, __FILE__, __LINE__, __FUNCTION__, expr); \
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105 /* general failures
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106 * error codes < 100
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108 #define ERROR_OK (0)
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109 #define ERROR_INVALID_ARGUMENTS (-1)
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110 #define ERROR_NO_CONFIG_FILE (-2)
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111 #define ERROR_BUF_TOO_SMALL (-3)
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