123 lines
3.5 KiB
C++
123 lines
3.5 KiB
C++
/* Copyright (c) 2016, 2024, Oracle and/or its affiliates.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License, version 2.0,
|
|
as published by the Free Software Foundation.
|
|
|
|
This program is designed to work with certain software (including
|
|
but not limited to OpenSSL) that is licensed under separate terms,
|
|
as designated in a particular file or component or in included license
|
|
documentation. The authors of MySQL hereby grant you an additional
|
|
permission to link the program and your derivative works with the
|
|
separately licensed software that they have either included with
|
|
the program or referenced in the documentation.
|
|
|
|
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, version 2.0, 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 St, Fifth Floor, Boston, MA 02110-1301 USA */
|
|
|
|
#ifndef _sql_component_h
|
|
#define _sql_component_h
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "lex_string.h"
|
|
#include "my_sqlcommand.h"
|
|
#include "sql/mem_root_array.h"
|
|
#include "sql/sql_cmd.h"
|
|
|
|
class THD;
|
|
class PT_item_list;
|
|
class String;
|
|
struct PT_install_component_set_element;
|
|
|
|
/**
|
|
This class implements the INSTALL COMPONENT statement.
|
|
*/
|
|
|
|
class Sql_cmd_install_component : public Sql_cmd {
|
|
public:
|
|
Sql_cmd_install_component(const Mem_root_array_YY<LEX_STRING> &urns,
|
|
List<PT_install_component_set_element> *set_exprs)
|
|
: m_urns(urns), m_set_exprs(set_exprs) {}
|
|
|
|
enum_sql_command sql_command_code() const override {
|
|
return SQLCOM_INSTALL_COMPONENT;
|
|
}
|
|
|
|
/**
|
|
Install a new component by loading it by dynamic loader service.
|
|
|
|
@param thd Thread context
|
|
|
|
@returns false if success, true otherwise
|
|
*/
|
|
bool execute(THD *thd) override;
|
|
|
|
char **m_arg_list{nullptr};
|
|
int m_arg_list_size{0};
|
|
|
|
private:
|
|
const Mem_root_array_YY<LEX_STRING> m_urns;
|
|
List<PT_install_component_set_element> *m_set_exprs;
|
|
};
|
|
|
|
/**
|
|
This class implements the UNINSTALL COMPONENT statement.
|
|
*/
|
|
|
|
class Sql_cmd_uninstall_component : public Sql_cmd {
|
|
public:
|
|
Sql_cmd_uninstall_component(const Mem_root_array_YY<LEX_STRING> &urns)
|
|
: m_urns(urns) {}
|
|
|
|
enum_sql_command sql_command_code() const override {
|
|
return SQLCOM_UNINSTALL_COMPONENT;
|
|
}
|
|
|
|
/**
|
|
Uninstall a plugin by unloading it in the dynamic loader service.
|
|
|
|
@param thd Thread context
|
|
|
|
@returns false if success, true otherwise
|
|
*/
|
|
bool execute(THD *thd) override;
|
|
|
|
private:
|
|
const Mem_root_array_YY<LEX_STRING> m_urns;
|
|
};
|
|
|
|
/**
|
|
This class implements component loading through manifest file
|
|
*/
|
|
class Deployed_components final {
|
|
public:
|
|
explicit Deployed_components(const std::string program_name,
|
|
const std::string instance_path);
|
|
~Deployed_components();
|
|
bool valid() const { return valid_; }
|
|
bool components_loaded() const { return loaded_; }
|
|
|
|
private:
|
|
void get_next_component(std::string &components_list,
|
|
std::string &one_component);
|
|
bool load();
|
|
bool unload();
|
|
bool make_urns(std::vector<const char *> &urns);
|
|
|
|
private:
|
|
std::string program_name_;
|
|
std::string instance_path_;
|
|
std::string components_;
|
|
std::string last_error_;
|
|
bool valid_;
|
|
bool loaded_;
|
|
};
|
|
#endif
|