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| Current File : //usr/include/mysql/sql_common.h |
#ifndef SQL_COMMON_INCLUDED
#define SQL_COMMON_INCLUDED
/* Copyright (c) 2003, 2018, 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 */
#define SQL_COMMON_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
#include <mysql.h>
#include <hash.h>
extern const char *unknown_sqlstate;
extern const char *cant_connect_sqlstate;
extern const char *not_error_sqlstate;
/*
Free all memory allocated in MYSQL handle except the
current options.
*/
void mysql_close_free(MYSQL *mysql);
/*
Clear connection options stored in MYSQL handle and
free memory used by them.
*/
void mysql_close_free_options(MYSQL *mysql);
/**
The structure is used to hold the state change information
received from the server. LIST functions are used for manipulation
of the members of the structure.
*/
typedef struct st_session_track_info_node {
/** head_node->data is a LEX_STRING which contains the variable name. */
LIST *head_node;
LIST *current_node;
} STATE_INFO_NODE;
/**
Store the change info received from the server in an array of linked lists
with STATE_INFO_NODE elements (one per state type).
*/
typedef struct st_session_track_info {
/** Array of STATE_NODE_INFO elements (one per state type). */
struct st_session_track_info_node info_list[SESSION_TRACK_END + 1];
} STATE_INFO;
/*
Access to MYSQL::extension member.
Note: functions mysql_extension_{init,free}() are defined
in client.c.
*/
struct st_mysql_trace_info;
typedef struct st_mysql_extension {
struct st_mysql_trace_info *trace_data;
struct st_session_track_info state_change;
} MYSQL_EXTENSION;
/* "Constructor/destructor" for MYSQL extension structure. */
struct st_mysql_extension* mysql_extension_init(struct st_mysql*);
void mysql_extension_free(struct st_mysql_extension*);
/*
Note: Allocated extension structure is freed in mysql_close_free()
called by mysql_close().
*/
#define MYSQL_EXTENSION_PTR(H) \
( \
(struct st_mysql_extension*) \
( (H)->extension ? \
(H)->extension : ((H)->extension= mysql_extension_init(H)) \
) \
)
struct st_mysql_options_extention {
char *plugin_dir;
char *default_auth;
char *ssl_crl; /* PEM CRL file */
char *ssl_crlpath; /* PEM directory of CRL-s? */
HASH connection_attributes;
char *server_public_key_path;
size_t connection_attributes_length;
my_bool enable_cleartext_plugin;
my_bool get_server_public_key;
char *tls_version; /* TLS version option */
long ssl_ctx_flags; /* SSL ctx options flag */
unsigned int ssl_mode;
};
typedef struct st_mysql_methods
{
my_bool (*read_query_result)(MYSQL *mysql);
my_bool (*advanced_command)(MYSQL *mysql,
enum enum_server_command command,
const unsigned char *header,
size_t header_length,
const unsigned char *arg,
size_t arg_length,
my_bool skip_check,
MYSQL_STMT *stmt);
MYSQL_DATA *(*read_rows)(MYSQL *mysql,MYSQL_FIELD *mysql_fields,
unsigned int fields);
MYSQL_RES * (*use_result)(MYSQL *mysql);
void (*fetch_lengths)(unsigned long *to,
MYSQL_ROW column, unsigned int field_count);
void (*flush_use_result)(MYSQL *mysql, my_bool flush_all_results);
int (*read_change_user_result)(MYSQL *mysql);
#if !defined(MYSQL_SERVER) || defined(EMBEDDED_LIBRARY)
MYSQL_FIELD * (*list_fields)(MYSQL *mysql);
my_bool (*read_prepare_result)(MYSQL *mysql, MYSQL_STMT *stmt);
int (*stmt_execute)(MYSQL_STMT *stmt);
int (*read_binary_rows)(MYSQL_STMT *stmt);
int (*unbuffered_fetch)(MYSQL *mysql, char **row);
void (*free_embedded_thd)(MYSQL *mysql);
const char *(*read_statistics)(MYSQL *mysql);
my_bool (*next_result)(MYSQL *mysql);
int (*read_rows_from_cursor)(MYSQL_STMT *stmt);
void (*free_rows)(MYSQL_DATA *cur);
#endif
} MYSQL_METHODS;
#define simple_command(mysql, command, arg, length, skip_check) \
((mysql)->methods \
? (*(mysql)->methods->advanced_command)(mysql, command, 0, \
0, arg, length, skip_check, NULL) \
: (set_mysql_error(mysql, CR_COMMANDS_OUT_OF_SYNC, unknown_sqlstate), 1))
#define stmt_command(mysql, command, arg, length, stmt) \
((mysql)->methods \
? (*(mysql)->methods->advanced_command)(mysql, command, 0, \
0, arg, length, 1, stmt) \
: (set_mysql_error(mysql, CR_COMMANDS_OUT_OF_SYNC, unknown_sqlstate), 1))
extern CHARSET_INFO *default_client_charset_info;
MYSQL_FIELD *unpack_fields(MYSQL *mysql, MYSQL_ROWS *data,MEM_ROOT *alloc,
uint fields, my_bool default_value,
uint server_capabilities);
MYSQL_FIELD * cli_read_metadata_ex(MYSQL *mysql, MEM_ROOT *alloc,
unsigned long field_count,
unsigned int fields);
MYSQL_FIELD * cli_read_metadata(MYSQL *mysql, unsigned long field_count,
unsigned int fields);
void free_rows(MYSQL_DATA *cur);
void free_old_query(MYSQL *mysql);
void end_server(MYSQL *mysql);
my_bool mysql_reconnect(MYSQL *mysql);
void mysql_read_default_options(struct st_mysql_options *options,
const char *filename,const char *group);
my_bool
cli_advanced_command(MYSQL *mysql, enum enum_server_command command,
const unsigned char *header, size_t header_length,
const unsigned char *arg, size_t arg_length,
my_bool skip_check, MYSQL_STMT *stmt);
unsigned long cli_safe_read(MYSQL *mysql, my_bool *is_data_packet);
unsigned long cli_safe_read_with_ok(MYSQL *mysql, my_bool parse_ok,
my_bool *is_data_packet);
void net_clear_error(NET *net);
void set_stmt_errmsg(MYSQL_STMT *stmt, NET *net);
void set_stmt_error(MYSQL_STMT *stmt, int errcode, const char *sqlstate,
const char *err);
void set_mysql_error(MYSQL *mysql, int errcode, const char *sqlstate);
void set_mysql_extended_error(MYSQL *mysql, int errcode, const char *sqlstate,
const char *format, ...);
#ifdef EMBEDDED_LIBRARY
int embedded_ssl_check(MYSQL *mysql);
#endif
/* client side of the pluggable authentication */
struct st_plugin_vio_info;
void mpvio_info(Vio *vio, struct st_plugin_vio_info *info);
int run_plugin_auth(MYSQL *mysql, char *data, uint data_len,
const char *data_plugin, const char *db);
int mysql_client_plugin_init();
void mysql_client_plugin_deinit();
struct st_mysql_client_plugin;
extern struct st_mysql_client_plugin *mysql_client_builtins[];
uchar * send_client_connect_attrs(MYSQL *mysql, uchar *buf);
extern my_bool libmysql_cleartext_plugin_enabled;
int is_file_or_dir_world_writable(const char *filepath);
void read_ok_ex(MYSQL *mysql, unsigned long len);
#ifdef __cplusplus
}
#endif
#define protocol_41(A) ((A)->server_capabilities & CLIENT_PROTOCOL_41)
#endif /* SQL_COMMON_INCLUDED */