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Diffstat (limited to 'storage/perfschema/table_replication_applier_configuration.h')
-rw-r--r-- | storage/perfschema/table_replication_applier_configuration.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/storage/perfschema/table_replication_applier_configuration.h b/storage/perfschema/table_replication_applier_configuration.h new file mode 100644 index 00000000..917778a5 --- /dev/null +++ b/storage/perfschema/table_replication_applier_configuration.h @@ -0,0 +1,106 @@ +/* + Copyright (c) 2013, 2022, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ + + +#ifndef TABLE_REPLICATION_APPLIER_CONFIGURATION_H +#define TABLE_REPLICATION_APPLIER_CONFIGURATION_H + +/** + @file storage/perfschema/table_replication_applier_configuration.h + Table replication_applier_configuration (declarations). +*/ + +#include "pfs_column_types.h" +#include "pfs_engine_table.h" +#include "rpl_mi.h" +#include "mysql_com.h" +#include "my_thread.h" + +class Master_info; + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** A row in the table*/ +struct st_row_applier_config { + char channel_name[CHANNEL_NAME_LENGTH]; + uint channel_name_length; + time_t desired_delay; + bool desired_delay_is_set; +}; + +/** Table PERFORMANCE_SCHEMA.replication_applier_configuration */ +class table_replication_applier_configuration: public PFS_engine_table +{ + typedef PFS_simple_index pos_t; + +private: + void make_row(Master_info *mi); + + /** Table share lock. */ + static THR_LOCK m_table_lock; + /** Fields definition. */ + static TABLE_FIELD_DEF m_field_def; + /** Current row */ + st_row_applier_config m_row; + /** True is the current row exists. */ + bool m_row_exists; + /** Current position. */ + pos_t m_pos; + /** Next position. */ + pos_t m_next_pos; + +protected: + /** + Read the current row values. + @param table Table handle + @param buf row buffer + @param fields Table fields + @param read_all true if all columns are read. + */ + + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_replication_applier_configuration(); + +public: + ~table_replication_applier_configuration(); + + static PFS_engine_table_share_state m_share_state; + /** Table share. */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static ha_rows get_row_count(); + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +}; + +/** @} */ +#endif |