/* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.

   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,
   51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */

#ifndef READ_MODE_HANDLER_INCLUDE
#define READ_MODE_HANDLER_INCLUDE

#include "sql_service_command.h"


/**
  This method creates a server session and connects to the server
  to enable the read mode

  @param session_isolation session creation requirements: use current thread,
                           use thread but initialize it or create it in a
                           dedicated thread

  @return the operation status
    @retval 0      OK
    @retval !=0    Error
*/
int enable_server_read_mode(enum_plugin_con_isolation session_isolation);

/**
  This method creates a server session and connects to the server
  to disable the read mode

   @param session_isolation session creation requirements: use current thread,
                           use thread but initialize it or create it in a
                           dedicated thread

  @return the operation status
    @retval 0      OK
    @retval !=0    Error
*/
int disable_server_read_mode(enum_plugin_con_isolation session_isolation);

/**
  Enable the super read only mode in the server.

  @param sql_service_command  Command interface given to execute the command

  @return the operation status
    @retval 0      OK
    @retval !=0    Error
*/
long enable_super_read_only_mode(Sql_service_command_interface *sql_service_command);

/**
  Disable the read only mode in the server.

  @param sql_service_command  Command interface given to execute the command

  @return the operation status
    @retval 0      OK
    @retval !=0    Error
*/
long disable_super_read_only_mode(Sql_service_command_interface *sql_service_command);

/**
  Get read mode status from server.

  @param sql_service_command        Command interface given to execute the command
  @param read_only_enabled          Update with value of read only mode
  @param super_read_only_enabled    Update with value of super read only mode

  @return the operation status
    @retval 0      OK
    @retval !=0    Error
*/
long get_read_mode_state(Sql_service_command_interface *sql_service_command,
                         bool *read_only_enabled, bool *super_read_only_enabled);

/**
  Set read mode status from server.

  @param sql_service_command        Command interface given to execute the command
  @param read_only_enabled          Value to set on read only mode
  @param super_read_only_enabled    Value to set on super read only mode

  @return the operation status
    @retval 0      OK
    @retval !=0    Error
*/
long set_read_mode_state(Sql_service_command_interface *sql_service_command,
                         bool read_only_enabled, bool super_read_only_enabled);

#endif /* READ_MODE_HANDLER_INCLUDE */