/* 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();
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all) override;
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
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