log.cc File Reference

logging of commands More...

#include "my_global.h"
#include "sql_priv.h"
#include "log.h"
#include "sql_base.h"
#include "sql_delete.h"
#include "sql_parse.h"
#include "sql_time.h"
#include "tztime.h"
#include "sql_acl.h"
#include "sql_audit.h"
#include "mysql/service_my_plugin_log.h"
#include <my_dir.h>
#include <stdarg.h>
#include <m_ctype.h>

Classes
class	Slow_query_log_table_intact
class	General_log_table_intact
class	Silence_log_table_errors
Defines
#define	MAX_LOG_BUFFER_SIZE   1024
#define	MAX_TIME_SIZE   32
Functions
uint	purge_log_get_error_code (int res)
char *	make_log_name (char *buff, const char *name, const char *log_ext)
int	check_if_log_table (size_t db_len, const char *db, size_t table_name_len, const char *table_name, bool check_if_opened)
int	error_log_print (enum loglevel level, const char *format, va_list args)
bool	slow_log_print (THD *thd, const char *query, uint query_length)
bool	general_log_print (THD *thd, enum enum_server_command command, const char *format,...)
bool	general_log_write (THD *thd, enum enum_server_command command, const char *query, uint query_length)
void	sql_perror (const char *message)
my_bool	reopen_fstreams (const char *filename, FILE *outstream, FILE *errstream)
bool	flush_error_log ()
int	vprint_msg_to_log (enum loglevel level, const char *format, va_list args)
void	sql_print_error (const char *format,...)
void	sql_print_warning (const char *format,...)
void	sql_print_information (const char *format,...)
int	my_plugin_log_message (MYSQL_PLUGIN *plugin_ptr, plugin_log_level level, const char *format,...)
Variables
LOGGER	logger
sql_print_message_func	sql_print_message_handlers [3]
ulong	tc_log_page_waits = 0
TC_LOG *	tc_log
TC_LOG_DUMMY	tc_log_dummy
TC_LOG_MMAP	tc_log_mmap

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Detailed Description

logging of commands

Todo:

Abort logging when we get an error in reading or writing log files

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Function Documentation

char* make_log_name	(	char *	buff,
		const char *	name,
		const char *	log_ext
	)

Create the name of the log specified.

This method forms a new path + file name for the log specified in name.

Parameters:

IN]	buff Location for building new string.
IN]	name Name of the log file.
IN]	log_ext The extension for the log (e.g. .log).

Returns:

Pointer to new string containing the name.

uint purge_log_get_error_code

(

int

res

)

purge logs, master and slave sides both, related error code convertor. Called from purge_error_message(), MYSQL_BIN_LOG::reset_logs()

Parameters:

res	an internal to purging routines error code

Returns:

the user level error code ER_*

int vprint_msg_to_log	(	enum loglevel	level,
		const char *	format,
		va_list	args
	)

Prints a printf style message to the error log and, under NT, to the Windows event log.

This function prints the message into a buffer and then sends that buffer to other functions to write that message to other logging sources.

Parameters:

level	The level of the msg significance
format	Printf style format of message
args	va_list list of arguments for the message

Returns:

The function always returns 0. The return value is present in the signature to be compatible with other logging routines, which could return an error (e.g. logging to the log tables)

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Variable Documentation

sql_print_message_func sql_print_message_handlers[3]

Initial value:

{
  sql_print_information,
  sql_print_warning,
  sql_print_error
}