63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/* Copyright (c) 2017, 2019, 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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#ifndef COMPONENT_STAUTS_VARIABLE_SERVICE_H
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#define COMPONENT_STAUTS_VARIABLE_SERVICE_H
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#include <mysql/components/service_implementation.h>
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#include <mysql/components/services/component_status_var_service.h>
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#include <mysql/status_var.h>
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extern bool add_status_vars(const SHOW_VAR *);
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extern void remove_status_vars(SHOW_VAR *);
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/**
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An implementation of the component status variables Service to register
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variable and unregister variable.
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*/
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class mysql_status_variable_registration_imp {
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public:
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/**
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Register status variable.
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@param status_var fully constructed status variable object.
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@return Status of performed operation
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@retval false success
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@retval true failure
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Note: Please see the components/test/test_status_var_service.cc file,
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to know how to construct status varables for different variable types.
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*/
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static DEFINE_BOOL_METHOD(register_variable, (SHOW_VAR * status_var));
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/**
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Unregister's status variable.
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@param status_var SHOW_VAR object with only the name of the variable,
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which has to be removed from the global list.
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@return Status of performed operation
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@retval false success
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@retval true failure
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*/
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static DEFINE_BOOL_METHOD(unregister_variable, (SHOW_VAR * status_var));
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};
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#endif /* COMPONENT_STATUS_VARIABLE_SERVICE_H */
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