130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/* Copyright (c) 2010, 2015, 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
|
|
|
|
#ifndef PFS_ACCOUNT_H
|
|
#define PFS_ACCOUNT_H
|
|
|
|
/**
|
|
@file storage/perfschema/pfs_account.h
|
|
Performance schema account (declarations).
|
|
*/
|
|
|
|
#include "pfs_lock.h"
|
|
#include "lf.h"
|
|
#include "pfs_con_slice.h"
|
|
#include "mysql_com.h" /* USERNAME_LENGTH */
|
|
|
|
struct PFS_global_param;
|
|
struct PFS_user;
|
|
struct PFS_host;
|
|
struct PFS_thread;
|
|
struct PFS_memory_stat_delta;
|
|
|
|
/**
|
|
@addtogroup Performance_schema_buffers
|
|
@{
|
|
*/
|
|
|
|
/** Hash key for an account. */
|
|
struct PFS_account_key
|
|
{
|
|
/**
|
|
Hash search key.
|
|
This has to be a string for LF_HASH,
|
|
the format is "<username><0x00><hostname><0x00>"
|
|
*/
|
|
char m_hash_key[USERNAME_LENGTH + 1 + HOSTNAME_LENGTH + 1];
|
|
uint m_key_length;
|
|
};
|
|
|
|
/** Per account statistics. */
|
|
struct PFS_ALIGNED PFS_account : PFS_connection_slice
|
|
{
|
|
public:
|
|
inline void init_refcount(void)
|
|
{
|
|
PFS_atomic::store_32(& m_refcount, 1);
|
|
}
|
|
|
|
inline int get_refcount(void)
|
|
{
|
|
return PFS_atomic::load_32(& m_refcount);
|
|
}
|
|
|
|
inline void inc_refcount(void)
|
|
{
|
|
PFS_atomic::add_32(& m_refcount, 1);
|
|
}
|
|
|
|
inline void dec_refcount(void)
|
|
{
|
|
PFS_atomic::add_32(& m_refcount, -1);
|
|
}
|
|
|
|
void aggregate(bool alive, PFS_user *safe_user, PFS_host *safe_host);
|
|
void aggregate_waits(PFS_user *safe_user, PFS_host *safe_host);
|
|
void aggregate_stages(PFS_user *safe_user, PFS_host *safe_host);
|
|
void aggregate_statements(PFS_user *safe_user, PFS_host *safe_host);
|
|
void aggregate_transactions(PFS_user *safe_user, PFS_host *safe_host);
|
|
void aggregate_memory(bool alive, PFS_user *safe_user, PFS_host *safe_host);
|
|
void aggregate_status(PFS_user *safe_user, PFS_host *safe_host);
|
|
void aggregate_stats(PFS_user *safe_user, PFS_host *safe_host);
|
|
void release(void);
|
|
|
|
void carry_memory_stat_delta(PFS_memory_stat_delta *delta, uint index);
|
|
|
|
/** Internal lock. */
|
|
pfs_lock m_lock;
|
|
PFS_account_key m_key;
|
|
/** True if this account is enabled, per rules in table SETUP_ACTORS. */
|
|
bool m_enabled;
|
|
/** True if this account has history enabled, per rules in table SETUP_ACTORS. */
|
|
bool m_history;
|
|
const char *m_username;
|
|
uint m_username_length;
|
|
const char *m_hostname;
|
|
uint m_hostname_length;
|
|
PFS_user *m_user;
|
|
PFS_host *m_host;
|
|
|
|
ulonglong m_disconnected_count;
|
|
|
|
private:
|
|
int m_refcount;
|
|
};
|
|
|
|
int init_account(const PFS_global_param *param);
|
|
void cleanup_account(void);
|
|
int init_account_hash(const PFS_global_param *param);
|
|
void cleanup_account_hash(void);
|
|
|
|
PFS_account *
|
|
find_or_create_account(PFS_thread *thread,
|
|
const char *username, uint username_length,
|
|
const char *hostname, uint hostname_length);
|
|
|
|
PFS_account *sanitize_account(PFS_account *unsafe);
|
|
void purge_all_account(void);
|
|
|
|
void update_accounts_derived_flags(PFS_thread *thread);
|
|
|
|
/* For show status. */
|
|
|
|
extern LF_HASH account_hash;
|
|
|
|
/** @} */
|
|
#endif
|
|
|