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/*
Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS 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 3 of the License,
or (at your option) any later version.
GlusterFS 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, see
<http://www.gnu.org/licenses/>.
*/
#ifndef __LOGGING_H__
#define __LOGGING_H__
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdarg.h>
#ifdef GF_DARWIN_HOST_OS
#define GF_PRI_FSBLK "u"
#define GF_PRI_DEV PRId32
#define GF_PRI_NLINK PRIu16
#define GF_PRI_SUSECONDS "06d"
#else
#define GF_PRI_FSBLK PRIu64
#define GF_PRI_DEV PRIu64
#define GF_PRI_NLINK PRIu32
#define GF_PRI_SUSECONDS "06ld"
#endif
#define GF_PRI_BLKSIZE PRId32
#define GF_PRI_SIZET "zu"
#if 0
/* Syslog definitions :-) */
#define LOG_EMERG 0 /* system is unusable */
#define LOG_ALERT 1 /* action must be taken immediately */
#define LOG_CRIT 2 /* critical conditions */
#define LOG_ERR 3 /* error conditions */
#define LOG_WARNING 4 /* warning conditions */
#define LOG_NOTICE 5 /* normal but significant condition */
#define LOG_INFO 6 /* informational */
#define LOG_DEBUG 7 /* debug-level messages */
#endif
typedef enum {
GF_LOG_NONE,
GF_LOG_EMERG,
GF_LOG_ALERT,
GF_LOG_CRITICAL, /* fatal errors */
GF_LOG_ERROR, /* major failures (not necessarily fatal) */
GF_LOG_WARNING, /* info about normal operation */
GF_LOG_NOTICE,
GF_LOG_INFO, /* Normal information */
GF_LOG_DEBUG, /* internal errors */
GF_LOG_TRACE, /* full trace of operation */
} gf_loglevel_t;
extern gf_loglevel_t gf_log_loglevel;
extern char gf_log_xl_log_set;
#define FMT_WARN(fmt...) do { if (0) printf (fmt); } while (0)
#define gf_log(dom, levl, fmt...) do { \
FMT_WARN (fmt); \
\
if ((levl > gf_log_loglevel) && !gf_log_xl_log_set) \
break; \
_gf_log (dom, __FILE__, __FUNCTION__, __LINE__, \
levl, ##fmt); \
} while (0)
#define gf_log_callingfn(dom, levl, fmt...) do { \
FMT_WARN (fmt); \
\
if ((levl > gf_log_loglevel) && !gf_log_xl_log_set) \
break; \
_gf_log_callingfn (dom, __FILE__, __FUNCTION__, __LINE__, \
levl, ##fmt); \
} while (0)
/* No malloc or calloc should be called in this function */
#define gf_log_nomem(dom, levl, size) do { \
if ((levl > gf_log_loglevel) && !gf_log_xl_log_set) \
break; \
_gf_log_nomem (dom, __FILE__, __FUNCTION__, __LINE__, \
levl, size); \
} while (0)
/* Log once in GF_UNIVERSAL_ANSWER times */
#define GF_LOG_OCCASIONALLY(var, args...) if (!(var++%GF_UNIVERSAL_ANSWER)) { \
gf_log (args); \
}
void gf_log_logrotate (int signum);
void gf_log_globals_init (void);
int gf_log_init (const char *filename);
void gf_log_cleanup (void);
int _gf_log (const char *domain, const char *file, const char *function,
int32_t line, gf_loglevel_t level, const char *fmt, ...);
int _gf_log_callingfn (const char *domain, const char *file, const char *function,
int32_t line, gf_loglevel_t level, const char *fmt, ...);
int _gf_log_nomem (const char *domain, const char *file,
const char *function, int line, gf_loglevel_t level,
size_t size);
int gf_log_from_client (const char *msg, char *identifier);
void gf_log_lock (void);
void gf_log_unlock (void);
void gf_log_disable_syslog (void);
void gf_log_enable_syslog (void);
gf_loglevel_t gf_log_get_loglevel (void);
void gf_log_set_loglevel (gf_loglevel_t level);
gf_loglevel_t gf_log_get_xl_loglevel (void *xl);
void gf_log_set_xl_loglevel (void *xl, gf_loglevel_t level);
#define GF_DEBUG(xl, format, args...) \
gf_log ((xl)->name, GF_LOG_DEBUG, format, ##args)
#define GF_INFO(xl, format, args...) \
gf_log ((xl)->name, GF_LOG_INFO, format, ##args)
#define GF_WARNING(xl, format, args...) \
gf_log ((xl)->name, GF_LOG_WARNING, format, ##args)
#define GF_ERROR(xl, format, args...) \
gf_log ((xl)->name, GF_LOG_ERROR, format, ##args)
int gf_cmd_log (const char *domain, const char *fmt, ...);
int gf_cmd_log_init (const char *filename);
void set_sys_log_level (gf_loglevel_t level);
#endif /* __LOGGING_H__ */
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