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99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
/* Copyright (c) 2010, 2011, 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 as published by
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the Free Software Foundation; version 2 of the License.
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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 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 Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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#ifndef PFS_SETUP_ACTOR_H
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#define PFS_SETUP_ACTOR_H
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/**
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@file storage/perfschema/pfs_setup_actor.h
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Performance schema setup actors (declarations).
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*/
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#include "sql_string.h"
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#include "pfs_lock.h"
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#include "lf.h"
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struct PFS_global_param;
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/* WL#988 Roles Not implemented yet */
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#define ROLENAME_LENGTH 64
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/**
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@addtogroup Performance_schema_buffers
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@{
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*/
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/** Hash key for @sa PFS_setup_actor. */
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struct PFS_setup_actor_key
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{
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/**
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Hash search key.
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This has to be a string for LF_HASH,
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the format is "<username><0x00><hostname><0x00><rolename><0x00>"
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*/
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char m_hash_key[USERNAME_LENGTH + 1 + HOSTNAME_LENGTH + 1 + ROLENAME_LENGTH + 1];
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/** Length of @c m_hash_key. */
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uint m_key_length;
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};
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/** A setup_actor record. */
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struct PFS_ALIGNED PFS_setup_actor
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{
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/** Internal lock. */
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pfs_lock m_lock;
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/** Hash key. */
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PFS_setup_actor_key m_key;
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/** User name. This points inside the hash key. */
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const char *m_username;
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/** Length of @c m_username. */
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uint m_username_length;
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/** Host name. This points inside the hash key. */
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const char *m_hostname;
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/** Length of @c m_hostname. */
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uint m_hostname_length;
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/** Role name. This points inside the hash key. */
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const char *m_rolename;
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/** Length of @c m_rolename. */
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uint m_rolename_length;
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};
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int init_setup_actor(const PFS_global_param *param);
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void cleanup_setup_actor(void);
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int init_setup_actor_hash(void);
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void cleanup_setup_actor_hash(void);
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int insert_setup_actor(const String *user, const String *host, const String *role);
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int delete_setup_actor(const String *user, const String *host, const String *role);
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int reset_setup_actor(void);
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long setup_actor_count(void);
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void lookup_setup_actor(PFS_thread *thread,
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const char *user, uint user_length,
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const char *host, uint host_length,
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bool *enabled);
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/* For iterators and show status. */
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extern ulong setup_actor_max;
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/* Exposing the data directly, for iterators. */
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extern PFS_setup_actor *setup_actor_array;
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extern LF_HASH setup_actor_hash;
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/** @} */
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#endif
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