/* Copyright (c) 2008, 2023, Oracle and/or its affiliates.
This program is free software ; you can redistribute it and / or modify
it under the terms of the GNU General Public License , version 2 . 0 ,
as published by the Free Software Foundation .
This program is also distributed with certain software ( including
but not limited to OpenSSL ) that is licensed under separate terms ,
as designated in a particular file or component or in included license
documentation . The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL .
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 , version 2 . 0 , 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 TABLE_ALL_INSTR_H
#define TABLE_ALL_INSTR_H
/**
@ file storage / perfschema / table_all_instr . h
Abstract tables for all instruments ( declarations ) .
*/
#include "pfs_instr_class.h"
#include "pfs_instr.h"
#include "pfs_engine_table.h"
#include "table_helper.h"
/**
@ addtogroup Performance_schema_tables
@ {
*/
/** Position of a cursor on table_all_instr. */
struct pos_all_instr : public PFS_double_index,
public PFS_instrument_view_constants
{
pos_all_instr()
: PFS_double_index(FIRST_VIEW, 0 )
{}
inline void reset(void )
{
m_index_1= FIRST_VIEW;
m_index_2= 0 ;
}
inline bool has_more_view(void )
{ return (m_index_1 <= LAST_VIEW); }
inline void next_view(void )
{
m_index_1++;
m_index_2= 0 ;
}
};
/**
Abstract table , a union of all instrumentations instances .
This table is a union of :
- a view on all mutex instances ,
- a view on all rwlock instances ,
- a view on all cond instances ,
- a view on all file instances ,
- a view on all socket instances
*/
class table_all_instr : public PFS_engine_table
{
public :
static ha_rows get_row_count();
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
table_all_instr(const PFS_engine_table_share *share);
public :
~table_all_instr() = default ;
protected :
/**
Build a row in the mutex instance view .
@ param pfs the mutex instance
*/
virtual void make_mutex_row(PFS_mutex *pfs)= 0 ;
/**
Build a row in the rwlock instance view .
@ param pfs the rwlock instance
*/
virtual void make_rwlock_row(PFS_rwlock *pfs)= 0 ;
/**
Build a row in the condition instance view .
@ param pfs the condition instance
*/
virtual void make_cond_row(PFS_cond *pfs)= 0 ;
/**
Build a row in the file instance view .
@ param pfs the file instance
*/
virtual void make_file_row(PFS_file *pfs)= 0 ;
/**
Build a row in the socket instance view .
@ param pfs the socket instance
*/
virtual void make_socket_row(PFS_socket *pfs)= 0 ;
/** Current position. */
pos_all_instr m_pos;
/** Next position. */
pos_all_instr m_next_pos;
};
/** @} */
#endif
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