pfs_setup_actor.h

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/* Copyright (c) 2010, 2023, Oracle and/or its affiliates.
 
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  it under the terms of the GNU General Public License, version 2.0,
  as published by the Free Software Foundation.
 
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  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef PFS_SETUP_ACTOR_H
#define PFS_SETUP_ACTOR_H
 
/**
  @file storage/perfschema/pfs_setup_actor.h
  Performance schema setup actors (declarations).
*/
 
#include <sys/types.h>
 
#include "lf.h"
#include "my_hostname.h" /* HOSTNAME_LENGTH */
#include "mysql_com.h"
#include "sql_string.h"
#include "storage/perfschema/pfs_global.h"
#include "storage/perfschema/pfs_lock.h"
#include "storage/perfschema/pfs_name.h"
 
struct PFS_global_param;
struct PFS_thread;
class PFS_opaque_container_page;
 
/**
  @addtogroup performance_schema_buffers
  @{
*/
 
/** Hash key for @sa PFS_setup_actor. */
struct PFS_setup_actor_key {
  PFS_user_name m_user_name;
  PFS_host_name m_host_name;
  PFS_role_name m_role_name;
};
 
/** A setup_actor record. */
struct PFS_ALIGNED PFS_setup_actor {
  /** Internal lock. */
  pfs_lock m_lock;
  /** Hash key. */
  PFS_setup_actor_key m_key;
  /** ENABLED flag. */
  bool m_enabled;
  /** HISTORY flag. */
  bool m_history;
  /** Container page. */
  PFS_opaque_container_page *m_page;
};
 
int init_setup_actor(const PFS_global_param *param);
void cleanup_setup_actor();
int init_setup_actor_hash(const PFS_global_param *param);
void cleanup_setup_actor_hash();
 
int insert_setup_actor(const PFS_user_name *user, const PFS_host_name *host,
                       const PFS_role_name *role, bool enabled, bool history);
int delete_setup_actor(const PFS_user_name *user, const PFS_host_name *host,
                       const PFS_role_name *role);
int reset_setup_actor();
long setup_actor_count();
 
void lookup_setup_actor(PFS_thread *thread, const PFS_user_name *user,
                        const PFS_host_name *host, bool *enabled,
                        bool *history);
 
/** Update derived flags for all setup_actors. */
int update_setup_actors_derived_flags();
 
/* For show status. */
 
extern LF_HASH setup_actor_hash;
 
/** @} */
#endif