/* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 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 SQL_CONNECT_INCLUDED
#define SQL_CONNECT_INCLUDED
#include "my_sys.h" /* pthread_handler_t */
#include "mysql_com.h" /* enum_server_command */
#include "structs.h"
#include <hash.h>
class THD;
typedef struct st_lex_user LEX_USER;
typedef struct user_conn USER_CONN;
void init_max_user_conn(void);
void init_global_user_stats(void);
void init_global_table_stats(void);
void init_global_index_stats(void);
void init_global_client_stats(void);
void free_max_user_conn(void);
void free_global_user_stats(void);
void free_global_table_stats(void);
void free_global_index_stats(void);
void free_global_client_stats(void);
pthread_handler_t handle_one_connection(void *arg);
void do_handle_one_connection(THD *thd_arg);
bool init_new_connection_handler_thread();
void reset_mqh(LEX_USER *lu, bool get_them);
bool check_mqh(THD *thd, uint check_command);
void time_out_user_resource_limits(THD *thd, USER_CONN *uc);
#ifndef NO_EMBEDDED_ACCESS_CHECKS
void decrease_user_connections(USER_CONN *uc);
#else
#define decrease_user_connections(X) do { } while(0) /* nothing */
#endif
bool thd_init_client_charset(THD *thd, uint cs_number);
bool setup_connection_thread_globals(THD *thd);
bool thd_prepare_connection(THD *thd);
bool thd_is_connection_alive(THD *thd);
bool login_connection(THD *thd);
void prepare_new_connection_state(THD* thd);
void end_connection(THD *thd);
void update_global_user_stats(THD* thd, bool create_user, time_t now);
int get_or_create_user_conn(THD *thd, const char *user,
const char *host, const USER_RESOURCES *mqh);
int check_for_max_user_connections(THD *thd, USER_CONN *uc);
extern HASH global_user_stats;
extern HASH global_client_stats;
extern HASH global_table_stats;
extern HASH global_index_stats;
extern mysql_mutex_t LOCK_global_user_client_stats;
extern mysql_mutex_t LOCK_global_table_stats;
extern mysql_mutex_t LOCK_global_index_stats;
extern mysql_mutex_t LOCK_stats;
#endif /* SQL_CONNECT_INCLUDED */
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