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/usr/include/mysql/server/mysql

Name	Size	Mode	Actions
psi/	-	0755	rm
auth_dialog_client.h	2061	0644	edit dl rm
client_plugin.h	6327	0644	edit dl rm
plugin.h	29894	0644	edit dl rm
plugin_audit.h	5575	0644	edit dl rm
plugin_auth.h	5400	0644	edit dl rm
plugin_auth_common.h	4509	0644	edit dl rm
plugin_data_type.h	1300	0644	edit dl rm
plugin_encryption.h	4433	0644	edit dl rm
plugin_ftparser.h	7832	0644	edit dl rm
plugin_function.h	1437	0644	edit dl rm
plugin_password_validation.h	1620	0644	edit dl rm
services.h	1762	0644	edit dl rm
service_base64.h	2932	0644	edit dl rm
service_debug_sync.h	13580	0644	edit dl rm
service_encryption.h	5657	0644	edit dl rm
service_encryption_scheme.h	5646	0644	edit dl rm
service_json.h	4551	0644	edit dl rm
service_kill_statement.h	2070	0644	edit dl rm
service_logger.h	3551	0644	edit dl rm
service_log_warnings.h	1377	0644	edit dl rm
service_md5.h	2119	0644	edit dl rm
service_my_crypt.h	4167	0644	edit dl rm
service_my_print_error.h	2328	0644	edit dl rm
service_my_snprintf.h	3722	0644	edit dl rm
service_print_check_msg.h	1552	0644	edit dl rm
service_progress_report.h	3365	0644	edit dl rm
service_sha1.h	2162	0644	edit dl rm
service_sha2.h	5299	0644	edit dl rm
service_sql.h	5134	0644	edit dl rm
service_thd_alloc.h	4490	0644	edit dl rm
service_thd_autoinc.h	1692	0644	edit dl rm
service_thd_error_context.h	3424	0644	edit dl rm
service_thd_mdl.h	1282	0644	edit dl rm
service_thd_rnd.h	1902	0644	edit dl rm
service_thd_specifics.h	3686	0644	edit dl rm
service_thd_timezone.h	2291	0644	edit dl rm
service_thd_wait.h	3695	0644	edit dl rm
service_wsrep.h	14158	0644	edit dl rm

Edit: /usr/include/mysql/server/mysql/service_logger.h (3551B)

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; version 2 of the License.

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 02110-1335 USA */

#ifndef MYSQL_SERVICE_LOGGER_INCLUDED
#define MYSQL_SERVICE_LOGGER_INCLUDED

#ifndef MYSQL_ABI_CHECK
#include <stdarg.h>
#endif

/**
  @file
  logger service

Log file with rotation implementation.

This service implements logging with possible rotation
  of the log files. Interface intentionally tries to be similar to FILE*
  related functions.

So that one can open the log with logger_open(), specifying
  the limit on the logfile size and the rotations number.

Then it's possible to write messages to the log with
  logger_printf or logger_vprintf functions.

As the size of the logfile grows over the specified limit,
  it is renamed to 'logfile.1'. The former 'logfile.1' becomes
  'logfile.2', etc. The file 'logfile.rotations' is removed.
  That's how the rotation works.

The rotation can be forced with the logger_rotate() call.

Finally the log should be closed with logger_close().

@notes:
  Implementation checks the size of the log file before it starts new
  printf into it. So the size of the file gets over the limit when it rotates.

The access is secured with the mutex, so the log is threadsafe.
*/

#ifdef __cplusplus
extern "C" {
#endif

typedef struct logger_handle_st LOGGER_HANDLE;

extern struct logger_service_st {
  void (*logger_init_mutexes)();
  LOGGER_HANDLE* (*open)(const char *path,
                         unsigned long long size_limit,
                         unsigned int rotations);
  int (*close)(LOGGER_HANDLE *log);
  int (*vprintf)(LOGGER_HANDLE *log, const char *fmt, va_list argptr);
  int (*printf)(LOGGER_HANDLE *log, const char *fmt, ...);
  int (*write)(LOGGER_HANDLE *log, const char *buffer, size_t size);
  int (*rotate)(LOGGER_HANDLE *log);
} *logger_service;

#ifdef MYSQL_DYNAMIC_PLUGIN

#define logger_init_mutexes logger_service->logger_init_mutexes
#define logger_open(path, size_limit, rotations) \
  (logger_service->open(path, size_limit, rotations))
#define logger_close(log) (logger_service->close(log))
#define logger_rotate(log) (logger_service->rotate(log))
#define logger_vprintf(log, fmt, argptr) (logger_service->\
    vprintf(log, fmt, argptr))
#define logger_printf (*logger_service->printf)
#define logger_write(log, buffer, size) \
  (logger_service->write(log, buffer, size))
#else

void logger_init_mutexes();
  LOGGER_HANDLE *logger_open(const char *path,
                             unsigned long long size_limit,
                             unsigned int rotations);
  int logger_close(LOGGER_HANDLE *log);
  int logger_vprintf(LOGGER_HANDLE *log, const char *fmt, va_list argptr);
  int logger_printf(LOGGER_HANDLE *log, const char *fmt, ...);
  int logger_write(LOGGER_HANDLE *log, const char *buffer, size_t size);
  int logger_rotate(LOGGER_HANDLE *log); 
#endif

#ifdef __cplusplus
}
#endif

#endif /*MYSQL_SERVICE_LOGGER_INCLUDED*/

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