src/lib/logger.h

   1 /**
   2  *  Copyright (C) 2011-2012  Juho Vähä-Herttua
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License as published by the Free Software Foundation; either
   7  *  version 2.1 of the License, or (at your option) any later version.
   8  *
   9  *  This library is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  Lesser General Public License for more details.
  13  */
  14
  15 #ifndef LOGGER_H
  16 #define LOGGER_H
  17
  18 /* Define syslog style log levels */
  19 #define LOGGER_EMERG       0       /* system is unusable */
  20 #define LOGGER_ALERT       1       /* action must be taken immediately */
  21 #define LOGGER_CRIT        2       /* critical conditions */
  22 #define LOGGER_ERR         3       /* error conditions */
  23 #define LOGGER_WARNING     4       /* warning conditions */
  24 #define LOGGER_NOTICE      5       /* normal but significant condition */
  25 #define LOGGER_INFO        6       /* informational */
  26 #define LOGGER_DEBUG       7       /* debug-level messages */
  27
  28 typedef void (*logger_callback_t)(void *cls, int level, const char *msg);
  29
  30 typedef struct logger_s logger_t;
  31
  32 logger_t *logger_init();
  33 void logger_destroy(logger_t *logger);
  34
  35 void logger_set_level(logger_t *logger, int level);
  36 void logger_set_callback(logger_t *logger, logger_callback_t callback, void *cls);
  37
  38 void logger_log(logger_t *logger, int level, const char *fmt, ...);
  39
  40 #endif