101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
/* Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef TABLE_HOSTS_H
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#define TABLE_HOSTS_H
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/**
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@file storage/perfschema/table_hosts.h
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TABLE HOSTS.
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*/
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#include <sys/types.h>
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#include "storage/perfschema/cursor_by_host.h"
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#include "storage/perfschema/pfs_column_types.h"
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#include "storage/perfschema/table_helper.h"
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struct PFS_host;
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/**
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@addtogroup performance_schema_tables
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@{
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*/
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class PFS_index_hosts_by_host : public PFS_index_hosts {
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public:
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PFS_index_hosts_by_host() : PFS_index_hosts(&m_key), m_key("HOST") {}
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~PFS_index_hosts_by_host() {}
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virtual bool match(PFS_host *pfs);
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private:
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PFS_key_host m_key;
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};
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/**
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A row of PERFORMANCE_SCHEMA.HOSTS.
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*/
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struct row_hosts {
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/** Column HOST. */
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PFS_host_row m_host;
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/** Columns CURRENT_CONNECTIONS, TOTAL_CONNECTIONS. */
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PFS_connection_stat_row m_connection_stat;
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};
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/** Table PERFORMANCE_SCHEMA.THREADS. */
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class table_hosts : public cursor_by_host {
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public:
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/** Table share */
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static PFS_engine_table_share m_share;
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/** Table builder */
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static PFS_engine_table *create(PFS_engine_table_share *);
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static int delete_all_rows();
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protected:
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virtual int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
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bool read_all);
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protected:
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table_hosts();
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public:
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~table_hosts() {}
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int index_init(uint idx, bool sorted);
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private:
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virtual int make_row(PFS_host *pfs);
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/** Table share lock. */
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static THR_LOCK m_table_lock;
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/** Table definition. */
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static Plugin_table m_table_def;
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/** Current row. */
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row_hosts m_row;
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};
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/** @} */
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#endif
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