127 lines
5.2 KiB
C
127 lines
5.2 KiB
C
/***************************************************************************
|
|
* Copyright (C) 2005 by Dominic Rath *
|
|
* Dominic.Rath@gmx.de *
|
|
* *
|
|
* Copyright (C) 2007,2008 Øyvind Harboe *
|
|
* oyvind.harboe@zylin.com *
|
|
* *
|
|
* Copyright (C) 2008 by Spencer Oliver *
|
|
* spen@spen-soft.co.uk *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This program 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 General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the *
|
|
* Free Software Foundation, Inc., *
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
|
|
***************************************************************************/
|
|
#ifndef ERROR_H
|
|
#define ERROR_H
|
|
|
|
#include "command.h"
|
|
|
|
/* logging priorities
|
|
* LOG_LVL_SILENT - turn off all output. In lieu of try+catch this can be used as a
|
|
* feeble ersatz.
|
|
* LOG_LVL_USER - user messages. Could be anything from information
|
|
* to progress messags. These messages do not represent
|
|
* incorrect or unexpected behaviour, just normal execution.
|
|
* LOG_LVL_ERROR - fatal errors, that are likely to cause program abort
|
|
* LOG_LVL_WARNING - non-fatal errors, that may be resolved later
|
|
* LOG_LVL_INFO - state information, etc.
|
|
* LOG_LVL_DEBUG - debug statements, execution trace
|
|
*/
|
|
enum log_levels
|
|
{
|
|
LOG_LVL_SILENT = -3,
|
|
LOG_LVL_OUTPUT = -2,
|
|
LOG_LVL_USER = -1,
|
|
LOG_LVL_ERROR = 0,
|
|
LOG_LVL_WARNING = 1,
|
|
LOG_LVL_INFO = 2,
|
|
LOG_LVL_DEBUG = 3
|
|
};
|
|
|
|
extern void log_printf(enum log_levels level, const char *file, int line,
|
|
const char *function, const char *format, ...)
|
|
__attribute__ ((format (printf, 5, 6)));
|
|
extern void log_printf_lf(enum log_levels level, const char *file, int line,
|
|
const char *function, const char *format, ...)
|
|
__attribute__ ((format (printf, 5, 6)));
|
|
extern int log_register_commands(struct command_context_s *cmd_ctx);
|
|
extern int log_init(struct command_context_s *cmd_ctx);
|
|
extern int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
|
|
extern void keep_alive(void);
|
|
extern void kept_alive(void);
|
|
extern void alive_sleep(int ms);
|
|
extern void busy_sleep(int ms);
|
|
|
|
typedef void (*log_callback_fn)(void *priv, const char *file, int line,
|
|
const char *function, const char *string);
|
|
|
|
typedef struct log_callback_s
|
|
{
|
|
log_callback_fn fn;
|
|
void *priv;
|
|
struct log_callback_s *next;
|
|
} log_callback_t;
|
|
|
|
extern int log_add_callback(log_callback_fn fn, void *priv);
|
|
extern int log_remove_callback(log_callback_fn fn, void *priv);
|
|
|
|
char *alloc_vprintf(const char *fmt, va_list ap);
|
|
char *alloc_printf(const char *fmt, ...);
|
|
|
|
extern int debug_level;
|
|
|
|
/* Avoid fn call and building parameter list if we're not outputting the information.
|
|
* Matters on feeble CPUs for DEBUG/INFO statements that are involved frequently */
|
|
|
|
#define LOG_LEVEL_IS( FOO ) ((debug_level) >= (FOO))
|
|
|
|
#define LOG_DEBUG(expr ...) \
|
|
((debug_level >= LOG_LVL_DEBUG) ? log_printf_lf (LOG_LVL_DEBUG, __FILE__, __LINE__, __FUNCTION__, expr) , 0 : 0)
|
|
|
|
#define LOG_INFO(expr ...) \
|
|
log_printf_lf (LOG_LVL_INFO, __FILE__, __LINE__, __FUNCTION__, expr)
|
|
|
|
#define LOG_INFO_N(expr ...) \
|
|
log_printf (LOG_LVL_INFO, __FILE__, __LINE__, __FUNCTION__, expr)
|
|
|
|
#define LOG_WARNING(expr ...) \
|
|
log_printf_lf (LOG_LVL_WARNING, __FILE__, __LINE__, __FUNCTION__, expr)
|
|
|
|
#define LOG_ERROR(expr ...) \
|
|
log_printf_lf (LOG_LVL_ERROR, __FILE__, __LINE__, __FUNCTION__, expr)
|
|
|
|
#define LOG_USER(expr ...) \
|
|
log_printf_lf (LOG_LVL_USER, __FILE__, __LINE__, __FUNCTION__, expr)
|
|
|
|
#define LOG_USER_N(expr ...) \
|
|
log_printf (LOG_LVL_USER, __FILE__, __LINE__, __FUNCTION__, expr)
|
|
|
|
#define LOG_OUTPUT(expr ...) \
|
|
log_printf (LOG_LVL_OUTPUT, __FILE__, __LINE__, __FUNCTION__, expr)
|
|
|
|
/* general failures
|
|
* error codes < 100
|
|
*/
|
|
#define ERROR_OK (0)
|
|
#define ERROR_INVALID_ARGUMENTS ERROR_COMMAND_SYNTAX_ERROR
|
|
#define ERROR_NO_CONFIG_FILE (-2)
|
|
#define ERROR_BUF_TOO_SMALL (-3)
|
|
/* see "Error:" log entry for meaningful message to the user. The caller should
|
|
* make no assumptions about what went wrong and try to handle the problem.
|
|
*/
|
|
#define ERROR_FAIL (-4)
|
|
|
|
#endif /* LOG_H */
|