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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/perfschema/table_socket_instances.h | |
parent | Initial commit. (diff) | |
download | mariadb-upstream.tar.xz mariadb-upstream.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/table_socket_instances.h')
-rw-r--r-- | storage/perfschema/table_socket_instances.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/storage/perfschema/table_socket_instances.h b/storage/perfschema/table_socket_instances.h new file mode 100644 index 00000000..c8a4a5b6 --- /dev/null +++ b/storage/perfschema/table_socket_instances.h @@ -0,0 +1,108 @@ +/* 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_SOCKET_INSTANCES_H +#define TABLE_SOCKET_INSTANCES_H + +/** + @file storage/perfschema/table_socket_instances.h + Table SOCKET_INSTANCES (declarations). +*/ + +#include "pfs_column_types.h" +#include "pfs_engine_table.h" + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** A row of PERFORMANCE_SCHEMA.SOCKET_INSTANCES. */ +struct row_socket_instances +{ + /** Column EVENT_NAME. */ + const char *m_event_name; + /** Length in bytes of @c m_event_name. */ + uint m_event_name_length; + /** Column OBJECT_INSTANCE_BEGIN */ + const void *m_identity; + /** Column THREAD_ID */ + ulonglong m_thread_id; + /** True if thread_is is set */ + bool m_thread_id_set; + /** Column SOCKET_ID */ + uint m_fd; + /** Socket ip address, IPV4 or IPV6 */ + char m_ip[INET6_ADDRSTRLEN+1]; + /** Length in bytes of @c m_ip. */ + uint m_ip_length; + /** Column PORT */ + uint m_port; + /** Socket state: ACTIVE or IDLE */ + PSI_socket_state m_state; + + row_socket_instances() {m_thread_id_set= false;} +}; + +/** Table PERFORMANCE_SCHEMA.SOCKET_INSTANCES. */ +class table_socket_instances : public PFS_engine_table +{ +public: + 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); + +private: + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_socket_instances(); + +public: + ~table_socket_instances() = default; + +private: + void make_row(PFS_socket *pfs); + + /** Table share lock. */ + static THR_LOCK m_table_lock; + + /** Current row. */ + row_socket_instances m_row; + /** True if the current row exists. */ + bool m_row_exists; + /** Current position. */ + PFS_simple_index m_pos; + /** Next position. */ + PFS_simple_index m_next_pos; +}; + +/** @} */ +#endif |