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