clone_handler.cc File Reference

#include "sql/clone_handler.h"
#include <assert.h>
#include <string.h>
#include <cctype>
#include <chrono>
#include <cstdlib>
#include <string>
#include <thread>
#include "my_dir.h"
#include "my_inttypes.h"
#include "my_sys.h"
#include "mysql/components/services/log_builtins.h"
#include "mysql/plugin.h"
#include "mysql/plugin_clone.h"
#include "mysql/psi/mysql_file.h"
#include "mysql/psi/mysql_mutex.h"
#include "mysqld_error.h"
#include "sql/dd/upgrade_57/upgrade.h"
#include "sql/mysqld.h"
#include "sql/sql_class.h"
#include "sql/sql_parse.h"
#include "sql/sql_plugin.h"
#include "sql/srv_session.h"
#include "sql_string.h"
#include "violite.h"

Functions
THD *	thd_get_current_thd ()
	Get current THD object from thread local data. More...
int	clone_handle_create (const char *plugin_name)
	Create clone handle to access the clone interfaces from server. More...
int	clone_handle_check_drop (MYSQL_PLUGIN plugin_info)
	Check if it is safe to uninstall clone plugin. More...
int	clone_handle_drop ()
	Drop clone handle. More...
Clone_handler *	clone_plugin_lock (THD *thd, plugin_ref *plugin)
	Check if the clone plugin is installed and lock. More...
void	clone_plugin_unlock (THD *thd, plugin_ref plugin)
	Unlock the clone plugin. More...

Variables
Clone_handler *	clone_handle = nullptr
	Clone handler global. More...
const char *	clone_plugin_nm = "clone"
	Clone plugin name. More...

Function Documentation

clone_handle_check_drop()

int clone_handle_check_drop

(

MYSQL_PLUGIN

plugin_info

)

Check if it is safe to uninstall clone plugin.

Parameters

[in,out]

plugin_info

plugin

Returns

error code

clone_handle_create()

int clone_handle_create

(

const char *

plugin_name

)

Create clone handle to access the clone interfaces from server.

Called when Clone plugin is installed.

Parameters

[in]

plugin_name

clone plugin name

Returns

error code

clone_handle_drop()

int clone_handle_drop

(

)

Drop clone handle.

Called when Clone plugin is uninstalled.

Returns

error code

clone_plugin_lock()

Clone_handler * clone_plugin_lock	(	THD *	thd,
		plugin_ref *	plugin
	)

Check if the clone plugin is installed and lock.

If the plugin is ready, return the handler to caller.

Parameters

[in]	thd	server thread handle
[out]	plugin	plugin reference

Returns

clone handler on success otherwise NULL

clone_plugin_unlock()

void clone_plugin_unlock	(	THD *	thd,
		plugin_ref	plugin
	)

Unlock the clone plugin.

Parameters

[in]	thd	server thread handle
[out]	plugin	plugin reference

thd_get_current_thd()

THD * thd_get_current_thd

(

)

Get current THD object from thread local data.

Return values

The	THD object for the thread, NULL if not connection thread

Variable Documentation

clone_handle

Clone_handler* clone_handle = nullptr

Clone handler global.

clone_plugin_nm

const char* clone_plugin_nm = "clone"

Clone plugin name.