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105 lines
3.9 KiB
105 lines
3.9 KiB
5 months ago
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/*
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Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "sql/sql_component.h"
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#include <stddef.h>
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#include <string.h>
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#include <vector>
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#include "../components/mysql_server/server_component.h" // imp_*
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#include "my_dbug.h"
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#include "my_inttypes.h"
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#include "my_sys.h"
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#include "mysql/components/my_service.h"
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#include "mysql/components/service.h"
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#include "mysql/components/services/persistent_dynamic_loader.h"
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#include "mysql/mysql_lex_string.h"
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#include "mysqld_error.h"
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#include "sql/dd/cache/dictionary_client.h" // dd::cache::Dictionary_client
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#include "sql/resourcegroups/resource_group_mgr.h" // Resource_group_mgr
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#include "sql/sql_backup_lock.h" // acquire_shared_backup_lock
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#include "sql/sql_class.h" // THD
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#include "sql/sql_plugin.h" // end_transaction
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#include "sql/thd_raii.h"
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bool Sql_cmd_install_component::execute(THD *thd) {
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my_service<SERVICE_TYPE(persistent_dynamic_loader)> service_dynamic_loader(
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"persistent_dynamic_loader", &imp_mysql_server_registry);
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if (service_dynamic_loader) {
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my_error(ER_COMPONENTS_CANT_ACQUIRE_SERVICE_IMPLEMENTATION, MYF(0),
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"persistent_dynamic_loader");
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return true;
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}
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if (acquire_shared_backup_lock(thd, thd->variables.lock_wait_timeout))
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return true;
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Disable_autocommit_guard autocommit_guard(thd);
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dd::cache::Dictionary_client::Auto_releaser releaser(thd->dd_client());
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DBUG_EXECUTE_IF("disable_rg_pfs_notifications", {
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auto name = "file://component_test_pfs_notification";
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if (m_urns.size() == 1 && strcmp(name, m_urns[0].str) == 0)
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resourcegroups::Resource_group_mgr::instance()
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->disable_pfs_notification();
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});
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std::vector<const char *> urns(m_urns.size());
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for (size_t i = 0; i < m_urns.size(); ++i) {
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urns[i] = m_urns[i].str;
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}
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if (service_dynamic_loader->load(thd, urns.data(), m_urns.size())) {
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return (end_transaction(thd, true));
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}
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my_ok(thd);
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return (end_transaction(thd, false));
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}
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bool Sql_cmd_uninstall_component::execute(THD *thd) {
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my_service<SERVICE_TYPE(persistent_dynamic_loader)> service_dynamic_loader(
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"persistent_dynamic_loader", &imp_mysql_server_registry);
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if (service_dynamic_loader) {
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my_error(ER_COMPONENTS_CANT_ACQUIRE_SERVICE_IMPLEMENTATION, MYF(0),
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"persistent_dynamic_loader");
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return true;
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}
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if (acquire_shared_backup_lock(thd, thd->variables.lock_wait_timeout))
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return true;
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Disable_autocommit_guard autocommit_guard(thd);
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dd::cache::Dictionary_client::Auto_releaser releaser(thd->dd_client());
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std::vector<const char *> urns(m_urns.size());
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for (size_t i = 0; i < m_urns.size(); ++i) {
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urns[i] = m_urns[i].str;
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}
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if (service_dynamic_loader->unload(thd, urns.data(), m_urns.size())) {
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return (end_transaction(thd, true));
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}
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my_ok(thd);
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return (end_transaction(thd, false));
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}
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