MaxScale/log_manager/log_manager.h
2014-11-11 18:33:17 +02:00

97 lines
3.0 KiB
C

/*
* This file is distributed as part of the MariaDB Corporation MaxScale. It 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,
* version 2.
*
* 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., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright MariaDB Corporation Ab 2013-2014
*/
#if !defined(LOG_MANAGER_H)
# define LOG_MANAGER_H
typedef struct filewriter_st filewriter_t;
typedef struct logfile_st logfile_t;
typedef struct fnames_conf_st fnames_conf_t;
typedef struct logmanager_st logmanager_t;
typedef enum {
BB_READY = 0x00,
BB_FULL,
BB_CLEARED
} blockbuf_state_t;
typedef enum {
LOGFILE_ERROR = 1,
LOGFILE_FIRST = LOGFILE_ERROR,
LOGFILE_MESSAGE = 2,
LOGFILE_TRACE = 4,
LOGFILE_DEBUG = 8,
LOGFILE_LAST = LOGFILE_DEBUG
} logfile_id_t;
typedef enum { FILEWRITER_INIT, FILEWRITER_RUN, FILEWRITER_DONE }
filewriter_state_t;
#define LE LOGFILE_ERROR
#define LM LOGFILE_MESSAGE
#define LT LOGFILE_TRACE
#define LD LOGFILE_DEBUG
#define LOGIF(id,cmd) if (lm_enabled_logfiles_bitmask & id) \
{ \
cmd; \
} \
#define LOG_IS_ENABLED(id) ((lm_enabled_logfiles_bitmask & id) ? true : false)
/**
* UNINIT means zeroed memory buffer allocated for the struct.
* INIT means that struct members may have values, and memory may
* have been allocated. Done function must check and free it.
* RUN Struct is valid for run-time checking.
* DONE means that possible memory allocations have been released.
*/
typedef enum { UNINIT = 0, INIT, RUN, DONE } flat_obj_state_t;
EXTERN_C_BLOCK_BEGIN
bool skygw_logmanager_init(int argc, char* argv[]);
void skygw_logmanager_done(void);
void skygw_logmanager_exit(void);
/**
* free private write buffer list
*/
void skygw_log_done(void);
int skygw_log_write(logfile_id_t id, const char* format, ...);
int skygw_log_flush(logfile_id_t id);
int skygw_log_rotate(logfile_id_t id);
int skygw_log_write_flush(logfile_id_t id, const char* format, ...);
int skygw_log_enable(logfile_id_t id);
int skygw_log_disable(logfile_id_t id);
EXTERN_C_BLOCK_END
void writebuf_clear(void* data);
const char* get_trace_prefix_default(void);
const char* get_trace_suffix_default(void);
const char* get_msg_prefix_default(void);
const char* get_msg_suffix_default(void);
const char* get_err_prefix_default(void);
const char* get_err_suffix_default(void);
const char* get_logpath_default(void);
#endif /** LOG_MANAGER_H */