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95 lines
2.6 KiB
95 lines
2.6 KiB
/* 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 status_var_h
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#define status_var_h
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/**
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Declarations for SHOW STATUS support in plugins
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*/
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enum enum_mysql_show_type {
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SHOW_UNDEF,
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SHOW_BOOL,
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SHOW_INT, ///< shown as _unsigned_ int
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SHOW_LONG, ///< shown as _unsigned_ long
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SHOW_LONGLONG, ///< shown as _unsigned_ longlong
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SHOW_CHAR,
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SHOW_CHAR_PTR,
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SHOW_ARRAY,
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SHOW_FUNC,
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SHOW_DOUBLE,
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/*
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This include defines server-only values of the enum.
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Using them in plugins is not supported.
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*/
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SHOW_KEY_CACHE_LONG,
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SHOW_KEY_CACHE_LONGLONG,
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SHOW_LONG_STATUS,
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SHOW_DOUBLE_STATUS,
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SHOW_HAVE,
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SHOW_MY_BOOL,
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SHOW_HA_ROWS,
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SHOW_SYS,
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SHOW_LONG_NOFLUSH,
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SHOW_LONGLONG_STATUS,
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SHOW_LEX_STRING,
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/*
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Support for signed values are extended for plugins.
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*/
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SHOW_SIGNED_INT,
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SHOW_SIGNED_LONG,
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SHOW_SIGNED_LONGLONG
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};
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/**
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Status variable scope.
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Only GLOBAL status variable scope is available in plugins.
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*/
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enum enum_mysql_show_scope {
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SHOW_SCOPE_UNDEF,
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SHOW_SCOPE_GLOBAL,
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/* Server-only values. Not supported in plugins. */
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SHOW_SCOPE_SESSION,
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SHOW_SCOPE_ALL
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};
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/**
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SHOW STATUS Server status variable
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*/
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struct SHOW_VAR {
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const char *name;
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char *value;
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enum enum_mysql_show_type type;
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enum enum_mysql_show_scope scope;
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};
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#define SHOW_VAR_MAX_NAME_LEN 64
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#define SHOW_VAR_FUNC_BUFF_SIZE 1024
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#ifdef __cplusplus
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class THD;
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#define MYSQL_THD THD *
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#else
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#define MYSQL_THD void *
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#endif
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typedef int (*mysql_show_var_func)(MYSQL_THD, SHOW_VAR *, char *);
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#endif
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