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/* Copyright (c) 2008, 2010, 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, Suite 500, 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"
/**
@addtogroup Performance_schema_tables
@{
*/
/** Position of a cursor on table_all_instr_class. */
struct pos_all_instr_class : public PFS_double_index,
public PFS_instrument_view_constants
{
pos_all_instr_class()
: PFS_double_index(VIEW_MUTEX, 1)
{}
inline void reset(void)
{
m_index_1= VIEW_MUTEX;
m_index_2= 1;
}
inline bool has_more_view(void)
{ return (m_index_1 <= VIEW_FILE); }
inline void next_view(void)
{
m_index_1++;
/* Instrument keys start at 1, not 0. */
m_index_2= 1;
}
};
/**
Abstract table, a union of all instrumentations class metadata.
This table is a union of:
- a view on all mutex classes,
- a view on all rwlock classes,
- a view on all cond classes,
- a view on all file classes
*/
class table_all_instr_class : public PFS_engine_table
{
public:
virtual int rnd_next();
virtual int rnd_pos(const void *pos);
virtual void reset_position(void);
protected:
table_all_instr_class(const PFS_engine_table_share *share);
public:
~table_all_instr_class()
{}
protected:
/**
Build a row.
@param klass the instrument class
*/
virtual void make_instr_row(PFS_instr_class *klass)= 0;
/** Current position. */
pos_all_instr_class m_pos;
/** Next position. */
pos_all_instr_class m_next_pos;
};
/** 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(VIEW_MUTEX, 0)
{}
inline void reset(void)
{
m_index_1= VIEW_MUTEX;
m_index_2= 0;
}
inline bool has_more_view(void)
{ return (m_index_1 <= VIEW_FILE); }
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
*/
class table_all_instr : public PFS_engine_table
{
public:
virtual int rnd_next();
virtual int rnd_pos(const void *pos);
virtual void reset_position(void);
protected:
table_all_instr(const PFS_engine_table_share *share);
public:
~table_all_instr()
{}
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;
/** Current position. */
pos_all_instr m_pos;
/** Next position. */
pos_all_instr m_next_pos;
};
/** @} */
#endif
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