option_usage.cc

/* Copyright (c) 2024, 2025, 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
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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 */

#include"option_usage.h"
#include<cassert>
#include<memory>
#include"mysql/components/component_implementation.h"
#include"mysql/components/library_mysys/option_tracker_usage.h"
#include"mysql/components/service.h"
#include"mysql/components/services/mysql_option_tracker.h"
#include"mysql/components/util/weak_service_reference.h"
#include"validate_password_imp.h"

const std::string c_name("component_validate_password"),
 opt_name("mysql_option_tracker_option"),
 c_option_name("Password validation component");
unsignedlonglong opt_option_tracker_usage_validate_password_component = 0;
staticboolcb(unsignedlonglong new_value) {
 opt_option_tracker_usage_validate_password_component = new_value;
returnfalse;
}
staticbool cb_define_failed = false;

typedef weak_service_reference<SERVICE_TYPE(mysql_option_tracker_option),
 c_name, opt_name>
 weak_option;

boolvalidate_password_component_option_usage_init() {
boolconst ret = weak_option::init(
SERVICE_PLACEHOLDER(registry), SERVICE_PLACEHOLDER(registry_registration),
 [&](SERVICE_TYPE(mysql_option_tracker_option) * opt) {
return0 != opt->define(c_option_name.c_str(), c_name.c_str(), 1) ||
option_usage_read_counter(
 c_option_name.c_str(),
 &opt_option_tracker_usage_validate_password_component,
SERVICE_PLACEHOLDER(registry)) ||
 (cb_define_failed = option_usage_register_callback(
 c_option_name.c_str(), cb, SERVICE_PLACEHOLDER(registry)));
 });
return ret;
}

boolvalidate_password_component_option_usage_deinit() {
returnweak_option::deinit(
 mysql_service_registry_no_lock, mysql_service_registration_no_lock,
 [&](SERVICE_TYPE(mysql_option_tracker_option) * opt) {
if (!cb_define_failed &&
option_usage_unregister_callback(c_option_name.c_str(), cb,
 mysql_service_registry_no_lock)) {
returntrue;
 }
return0 != opt->undefine(c_option_name.c_str());
 });
}