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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_processlist.h | |
parent | Initial commit. (diff) | |
download | mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.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_processlist.h')
-rw-r--r-- | storage/perfschema/table_processlist.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/storage/perfschema/table_processlist.h b/storage/perfschema/table_processlist.h new file mode 100644 index 00000000..2cf55e1e --- /dev/null +++ b/storage/perfschema/table_processlist.h @@ -0,0 +1,133 @@ +/* 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#ifndef TABLE_PROCESSLIST_H +#define TABLE_PROCESSLIST_H + +/** + @file storage/perfschema/table_processlist.h + TABLE THREADS. +*/ + +#include <sys/types.h> +#include <time.h> +#include <algorithm> + +// #include "my_hostname.h" +// #include "my_inttypes.h" +#include "cursor_by_thread.h" +#include "pfs_column_types.h" + +struct PFS_thread; + +/** + @addtogroup performance_schema_tables + @{ +*/ + +/** + A row of PERFORMANCE_SCHEMA.PROCESSLIST. +*/ +struct row_processlist { + /** Column ID. */ + ulonglong m_processlist_id; + /** Column USER. */ + char m_username[USERNAME_LENGTH]; + /** Length in bytes of @c m_username. */ + uint m_username_length; + /** Column HOST. */ + char m_hostname[HOST_AND_PORT_LENGTH]; + /** Length in bytes of @c m_hostname. */ + uint m_hostname_length; + /** Port. */ + uint m_port; + /** Column DB. */ + char m_dbname[NAME_LEN]; + /** Length in bytes of @c m_dbname. */ + uint m_dbname_length; + /** Column COMMAND. */ + int m_command; + /** Column TIME. */ + time_t m_start_time; + /** Column STATE. */ + const char *m_processlist_state_ptr; + /** Length in bytes of @c m_processlist_state_ptr. */ + uint m_processlist_state_length; + /** Column INFO. */ + const char *m_processlist_info_ptr; + /** Length in bytes of @c m_processlist_info_ptr. */ + uint m_processlist_info_length; +}; + +enum enum_priv_processlist { + /** User is not allowed to see any data. */ + PROCESSLIST_DENIED, + /** User does not have the PROCESS_ACL priviledge. */ + PROCESSLIST_USER_ONLY, + /** User has the PROCESS_ACL priviledge. */ + PROCESSLIST_ALL +}; + +struct row_priv_processlist { + enum enum_priv_processlist m_auth; + char m_priv_user[USERNAME_LENGTH]; + size_t m_priv_user_length; +}; + +/** Table PERFORMANCE_SCHEMA.PROCESSLIST. */ +class table_processlist : public cursor_by_thread { + public: + static PFS_engine_table_share_state m_share_state; + /** Table share */ + static PFS_engine_table_share m_share; + /** Table builder */ + static PFS_engine_table *create(); + + protected: + table_processlist(); + + virtual int rnd_init(bool scan); + + virtual int read_row_values(TABLE *table, unsigned char *buf, Field **fields, + bool read_all); + int set_access(void); + + public: + virtual ~table_processlist() {} + + private: + virtual void make_row(PFS_thread *pfs); + /** Table share lock. */ + static THR_LOCK m_table_lock; + /** Fields definition. */ + static TABLE_FIELD_DEF m_field_def; + + /** Current row. */ + row_processlist m_row; + /** Row privileges. */ + row_priv_processlist m_row_priv; + /** True if the current row exists. */ + bool m_row_exists; +}; + +/** @} */ +#endif |