plugin_clone.h

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/* Copyright (c) 2017, 2023, Oracle and/or its affiliates.
 
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   it under the terms of the GNU General Public License, version 2.0,
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
/**
@file mysql/plugin_clone.h
API for clone plugin
*/
 
#ifndef MYSQL_PLUGIN_CLONE_INCLUDED
#define MYSQL_PLUGIN_CLONE_INCLUDED
 
#include "plugin.h"
#include "violite.h"
 
/** Clone plugin interface version */
#define MYSQL_CLONE_INTERFACE_VERSION 0x0100
 
/**
  The descriptor structure for the plugin, that is referred from
  st_mysql_plugin.
*/
 
struct Mysql_clone {
  /** clone plugin interface version */
  int interface_version;
 
  /** Clone database from local server.
  @param[in]    thd             server thread handle
  @param[in]    data_dir        cloned data directory
  @return error code, 0 on success */
  int (*clone_local)(THD *thd, const char *data_dir);
 
  /** Clone database from remote server.
  @param[in]    thd             server thread handle
  @param[in]    remote_host     remote host IP address
  @param[in]    remote_port     remote server port
  @param[in]    remote_user     remote user name
  @param[in]    remote_passwd   remote user's password
  @param[in]    data_dir        cloned data directory
  @param[in]    ssl_mode        ssl mode for remote connection
  @return error code, 0 on success */
  int (*clone_client)(THD *thd, const char *remote_host, uint remote_port,
                      const char *remote_user, const char *remote_passwd,
                      const char *data_dir, int ssl_mode);
 
  /** Clone database and send to remote clone client.
  @param[in]    thd     server thread handle
  @param[in]    socket  network socket to remote client
  @return error code, 0 on success */
  int (*clone_server)(THD *thd, MYSQL_SOCKET socket);
};
 
/** Create clone handle to  access the clone interfaces from server.
Called when Clone plugin is installed.
@param[in]      plugin_name     clone plugin name
@return error code */
int clone_handle_create(const char *plugin_name);
 
/** Drop clone handle. Called when Clone plugin is uninstalled.
@return error code */
int clone_handle_drop();
 
/** Check if it is safe to uninstall clone plugin.
@param[in,out]  plugin_info     plugin
@return error code */
int clone_handle_check_drop(MYSQL_PLUGIN plugin_info);
 
#endif