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Diffstat (limited to 'storage/perfschema/table_host_cache.h')
-rw-r--r-- | storage/perfschema/table_host_cache.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/storage/perfschema/table_host_cache.h b/storage/perfschema/table_host_cache.h new file mode 100644 index 00000000..59e3a973 --- /dev/null +++ b/storage/perfschema/table_host_cache.h @@ -0,0 +1,150 @@ +/* Copyright (c) 2011, 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_HOST_CACHE_H +#define TABLE_HOST_CACHE_H + +/** + @file storage/perfschema/table_host_cache.h + Table HOST_CACHE (declarations). +*/ + +#include "pfs_column_types.h" +#include "pfs_engine_table.h" + +class Host_entry; + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** A row of PERFORMANCE_SCHEMA.HOST_CACHE. */ +struct row_host_cache +{ + /** Column IP. */ + char m_ip[64]; + uint m_ip_length; + /** Column HOST. */ + char m_hostname[255]; + uint m_hostname_length; + /** Column HOST_VALIDATED. */ + bool m_host_validated; + /** Column SUM_CONNECT_ERRORS. */ + ulonglong m_sum_connect_errors; + /** Column COUNT_HOST_BLOCKED_ERRORS. */ + ulonglong m_count_host_blocked_errors; + /** Column COUNT_NAMEINFO_TRANSIENT_ERRORS. */ + ulonglong m_count_nameinfo_transient_errors; + /** Column COUNT_NAMEINFO_PERMANENT_ERRORS. */ + ulonglong m_count_nameinfo_permanent_errors; + /** Column COUNT_FORMAT_ERRORS. */ + ulonglong m_count_format_errors; + /** Column COUNT_ADDRINFO_TRANSIENT_ERRORS. */ + ulonglong m_count_addrinfo_transient_errors; + /** Column COUNT_ADDRINFO_PERMANENT_ERRORS. */ + ulonglong m_count_addrinfo_permanent_errors; + /** Column COUNT_FCRDNS_ERRORS. */ + ulonglong m_count_fcrdns_errors; + /** Column COUNT_HOST_ACL_ERRORS. */ + ulonglong m_count_host_acl_errors; + /** Column COUNT_NO_AUTH_PLUGIN_ERRORS. */ + ulonglong m_count_no_auth_plugin_errors; + /** Column COUNT_AUTH_PLUGIN_ERRORS. */ + ulonglong m_count_auth_plugin_errors; + /** Column COUNT_HANDSHAKE_ERRORS. */ + ulonglong m_count_handshake_errors; + /** Column COUNT_PROXY_USER_ERRORS. */ + ulonglong m_count_proxy_user_errors; + /** Column COUNT_PROXY_USER_ACL_ERRORS. */ + ulonglong m_count_proxy_user_acl_errors; + /** Column COUNT_AUTHENTICATION_ERRORS. */ + ulonglong m_count_authentication_errors; + /** Column COUNT_SSL_ERRORS. */ + ulonglong m_count_ssl_errors; + /** Column COUNT_MAX_USER_CONNECTION_ERRORS. */ + ulonglong m_count_max_user_connection_errors; + /** Column COUNT_MAX_USER_CONNECTION_PER_HOUR_ERRORS. */ + ulonglong m_count_max_user_connection_per_hour_errors; + /** Column COUNT_DEFAULT_DATABASE_ERRORS. */ + ulonglong m_count_default_database_errors; + /** Column COUNT_INIT_CONNECT_ERRORS. */ + ulonglong m_count_init_connect_errors; + /** Column COUNT_LOCAL_ERRORS. */ + ulonglong m_count_local_errors; + /** Column COUNT_UNKNOWN_ERRORS. */ + ulonglong m_count_unknown_errors; + /** Column FIRST_SEEN. */ + ulonglong m_first_seen; + /** Column LAST_SEEN. */ + ulonglong m_last_seen; + /** Column FIRST_ERROR_SEEN. */ + ulonglong m_first_error_seen; + /** Column LAST_ERROR_SEEN. */ + ulonglong m_last_error_seen; +}; + +/** Table PERFORMANCE_SCHEMA.HOST_CACHE. */ +class table_host_cache : 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 int delete_all_rows(); + static ha_rows get_row_count(); + + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +protected: + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_host_cache(); + +public: + ~table_host_cache() = default; + +private: + void materialize(THD *thd); + static void make_row(Host_entry *entry, row_host_cache *row); + + /** Table share lock. */ + static THR_LOCK m_table_lock; + + row_host_cache *m_all_rows; + uint m_row_count; + /** Current row. */ + row_host_cache *m_row; + /** Current position. */ + PFS_simple_index m_pos; + /** Next position. */ + PFS_simple_index m_next_pos; +}; + +/** @} */ +#endif |