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/*+----------------------------------------------------------------------+
 | PHP Version 7                                                        |
 +----------------------------------------------------------------------+
 | Copyright (c) The PHP Group                                          |
 +----------------------------------------------------------------------+
 | This source file is subject to version 3.01 of the PHP license,      |
 | that is bundled with this package in the file LICENSE, and is        |
 | available through the world-wide-web at the following url:           |
 | http://www.php.net/license/3_01.txt                                  |
 | If you did not receive a copy of the PHP license and are unable to   |
 | obtain it through the world-wide-web, please send a note to          |
 | license@php.net so we can mail you a copy immediately.               |
 +----------------------------------------------------------------------+
 | Authors: Andrey Hristov <andrey@php.net>                             |
 |          Ulf Wendel <uw@php.net>                                     |
 +----------------------------------------------------------------------+
 */
 
 #ifndef MYSQLND_STRUCTS_H
 #define MYSQLND_STRUCTS_H
 
 #include "zend_smart_str_public.h"
 
 #define MYSQLND_TYPEDEFED_METHODS
 
 #define MYSQLND_CLASS_METHOD_TABLE_NAME(class) mysqlnd_##class##_methods
 #define MYSQLND_CLASS_METHODS_TYPE(class) struct st_##class##_methods
 #define MYSQLND_CLASS_METHOD_TABLE_NAME_FORWARD(class) MYSQLND_CLASS_METHODS_TYPE(class) MYSQLND_CLASS_METHOD_TABLE_NAME(class)
 
 #define MYSQLND_CLASS_METHODS_START(class)    MYSQLND_CLASS_METHOD_TABLE_NAME_FORWARD(class) = {
 #define MYSQLND_CLASS_METHODS_END            }
 
 #define MYSQLND_CLASS_METHODS_INSTANCE_NAME(class)        mysqlnd_##class##_methods_ptr
 #define MYSQLND_CLASS_METHODS_INSTANCE_DECLARE(class)    extern const MYSQLND_CLASS_METHODS_TYPE(class) * MYSQLND_CLASS_METHODS_INSTANCE_NAME(class)
 #define MYSQLND_CLASS_METHODS_INSTANCE_DEFINE(class)    const MYSQLND_CLASS_METHODS_TYPE(class) * MYSQLND_CLASS_METHODS_INSTANCE_NAME(class) = & MYSQLND_CLASS_METHOD_TABLE_NAME(class)
 
 typedef struct st_mysqlnd_string
 {
 char    *s;
 size_t    l;
 } MYSQLND_STRING;
 
 typedef struct st_mysqlnd_const_string
 {
 const char *s;
 size_t    l;
 } MYSQLND_CSTRING;
 
 
 typedef struct st_mysqlnd_memory_pool MYSQLND_MEMORY_POOL;
 
 struct st_mysqlnd_memory_pool
 {
 zend_arena        *arena;
 void            *last;
 void            *checkpoint;
 
 void*    (*get_chunk)(MYSQLND_MEMORY_POOL * pool, size_t size);
 void*    (*resize_chunk)(MYSQLND_MEMORY_POOL * pool, void * ptr, size_t old_size, size_t size);
 void    (*free_chunk)(MYSQLND_MEMORY_POOL * pool, void * ptr);
 };
 
 
 typedef struct st_mysqlnd_row_buffer MYSQLND_ROW_BUFFER;
 
 struct st_mysqlnd_row_buffer
 {
 void            *ptr;
 size_t            size;
 };
 
 
 typedef struct st_mysqlnd_cmd_buffer
 {
 zend_uchar        *buffer;
 size_t            length;
 } MYSQLND_CMD_BUFFER;
 
 
 typedef struct st_mysqlnd_field
 {
 zend_string *sname;            /* Name of column */
 zend_bool    is_numeric;
 zend_ulong     num_key;
 const char  *name;          /* Name of column in C string */
 const char  *org_name;        /* Original column name, if an alias */
 const char  *table;            /* Table of column if column was a field */
 const char  *org_table;        /* Org table name, if table was an alias */
 const char  *db;            /* Database for table */
 const char  *catalog;        /* Catalog for table */
 char  *def;                 /* Default value */
 zend_ulong length;        /* Width of column (create length) */
 zend_ulong max_length;    /* Max width for selected set */
 unsigned int name_length;
 unsigned int org_name_length;
 unsigned int table_length;
 unsigned int org_table_length;
 unsigned int db_length;
 unsigned int catalog_length;
 unsigned int def_length;
 unsigned int flags;            /* Diverse flags */
 unsigned int decimals;        /* Number of decimals in field */
 unsigned int charsetnr;        /* Character set */
 enum mysqlnd_field_types type;    /* Type of field. See mysql_com.h for types */
 char *root;
 size_t root_len;
 } MYSQLND_FIELD;
 
 
 typedef struct st_mysqlnd_upsert_status MYSQLND_UPSERT_STATUS;
 typedef void (*func_mysqlnd_upsert_status__reset)(MYSQLND_UPSERT_STATUS * const upsert_status);
 typedef void (*func_mysqlnd_upsert_status__set_affected_rows_to_error)(MYSQLND_UPSERT_STATUS * const upsert_status);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_upsert_status)
 {
 func_mysqlnd_upsert_status__reset reset;
 func_mysqlnd_upsert_status__set_affected_rows_to_error set_affected_rows_to_error;
 };
 
 struct st_mysqlnd_upsert_status
 {
 unsigned int    warning_count;
 unsigned int    server_status;
 uint64_t        affected_rows;
 uint64_t        last_insert_id;
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_upsert_status) *m;
 };
 
 #define SET_EMPTY_ERROR(info)                            (info)->m->reset((info))
 #define SET_CLIENT_ERROR(info, err_no, sqlstate, error)    (err_no)? (info)->m->set_client_error((info), (err_no), (sqlstate), (error)) : (info)->m->reset((info))
 #define SET_OOM_ERROR(info)                             SET_CLIENT_ERROR((info), CR_OUT_OF_MEMORY, UNKNOWN_SQLSTATE, mysqlnd_out_of_memory)
 #define COPY_CLIENT_ERROR(dest, source)                    SET_CLIENT_ERROR((dest), (source).error_no, (source).sqlstate, (source).error)
 
 
 typedef struct st_mysqlnd_error_info MYSQLND_ERROR_INFO;
 typedef void (*func_mysqlnd_error_info__reset)(MYSQLND_ERROR_INFO * const info);
 typedef void (*func_mysqlnd_error_info__set_client_error)(MYSQLND_ERROR_INFO * const info, const unsigned int err_no, const char * const sqlstate, const char * const error);
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_error_info)
 {
 func_mysqlnd_error_info__reset reset;
 func_mysqlnd_error_info__set_client_error set_client_error;
 };
 
 struct st_mysqlnd_error_info
 {
 char error[MYSQLND_ERRMSG_SIZE+1];
 char sqlstate[MYSQLND_SQLSTATE_LENGTH + 1];
 unsigned int error_no;
 zend_llist error_list;
 
 zend_bool persistent;
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_error_info) *m;
 };
 
 
 typedef struct st_mysqlnd_error_list_element
 {
 char * error;
 char sqlstate[MYSQLND_SQLSTATE_LENGTH + 1];
 unsigned int error_no;
 } MYSQLND_ERROR_LIST_ELEMENT;
 
 
 typedef struct st_mysqlnd_infile_info
 {
 php_stream    *fd;
 int            error_no;
 char        error_msg[MYSQLND_ERRMSG_SIZE + 1];
 const char    *filename;
 } MYSQLND_INFILE_INFO;
 
 
 typedef int (*func_mysqlnd_local_infile__init)(void ** ptr, const char * const filename);
 typedef int (*func_mysqlnd_local_infile__read)(void * ptr, zend_uchar * buf, unsigned int buf_len);
 typedef int (*func_mysqlnd_local_infile__error)(void * ptr, char * error_msg, unsigned int error_msg_len);
 typedef void (*func_mysqlnd_local_infile__end)(void * ptr);
 
 
 /* character set information */
 typedef struct st_mysqlnd_charset
 {
 unsigned int    nr;
 const char        *name;
 const char        *collation;
 unsigned int    char_minlen;
 unsigned int    char_maxlen;
 const char        *comment;
 unsigned int     (*mb_charlen)(const unsigned int c);
 unsigned int     (*mb_valid)(const char * const start, const char * const end);
 } MYSQLND_CHARSET;
 
 
 /* local infile handler */
 typedef struct st_mysqlnd_infile
 {
 func_mysqlnd_local_infile__init        local_infile_init;
 func_mysqlnd_local_infile__read        local_infile_read;
 func_mysqlnd_local_infile__error    local_infile_error;
 func_mysqlnd_local_infile__end        local_infile_end;
 } MYSQLND_INFILE;
 
 
 typedef struct st_mysqlnd_session_options
 {
 unsigned int        flags;
 
 /* init commands - we need to send them to server directly after connect */
 unsigned int    num_commands;
 char            **init_commands;
 
 /* configuration file information */
 char         *cfg_file;
 char        *cfg_section;
 
 char        *auth_protocol;
 /*
 We need to keep these because otherwise st_mysqlnd_conn will be changed.
 The ABI will be broken and the methods structure will be somewhere else
 in the memory which can crash external code. Feel free to reuse these.
 */
 HashTable    * connect_attr;
 char        * unused1;
 char        * unused2;
 char        * unused3;
 
 enum_mysqlnd_session_protocol_type protocol;
 
 char         *charset_name;
 /* maximum allowed packet size for communication */
 unsigned int        max_allowed_packet;
 
 #ifdef MYSQLND_STRING_TO_INT_CONVERSION
 zend_bool    int_and_float_native;
 #endif
 } MYSQLND_SESSION_OPTIONS;
 
 
 typedef struct st_mysqlnd_vio_options
 {
 /* timeouts */
 unsigned int timeout_connect;
 unsigned int timeout_read;
 unsigned int timeout_write;
 
 size_t        net_read_buffer_size;
 
 /* SSL information */
 char        *ssl_key;
 char        *ssl_cert;
 char        *ssl_ca;
 char        *ssl_capath;
 char        *ssl_cipher;
 char        *ssl_passphrase;
 enum mysqlnd_ssl_peer {
 MYSQLND_SSL_PEER_DEFAULT = 0,
 MYSQLND_SSL_PEER_VERIFY = 1,
 MYSQLND_SSL_PEER_DONT_VERIFY = 2,
 
 #define MYSQLND_SSL_PEER_DEFAULT_ACTION  MYSQLND_SSL_PEER_VERIFY
 } ssl_verify_peer;
 } MYSQLND_VIO_OPTIONS;
 
 
 
 typedef struct st_mysqlnd_connection MYSQLND;
 typedef struct st_mysqlnd_connection_data MYSQLND_CONN_DATA;
 typedef struct st_mysqlnd_protocol_frame_codec        MYSQLND_PFC;
 typedef struct st_mysqlnd_protocol_frame_codec_data    MYSQLND_PFC_DATA;
 typedef struct st_mysqlnd_vio        MYSQLND_VIO;
 typedef struct st_mysqlnd_vio_data    MYSQLND_VIO_DATA;
 typedef struct st_mysqlnd_protocol_payload_decoder_factory    MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY;
 typedef struct st_mysqlnd_res    MYSQLND_RES;
 typedef char**                     MYSQLND_ROW_C;        /* return data as array of strings */
 typedef struct st_mysqlnd_stmt_data    MYSQLND_STMT_DATA;
 typedef struct st_mysqlnd_stmt    MYSQLND_STMT;
 typedef unsigned int            MYSQLND_FIELD_OFFSET;
 
 typedef struct st_mysqlnd_param_bind MYSQLND_PARAM_BIND;
 
 typedef struct st_mysqlnd_result_bind MYSQLND_RESULT_BIND;
 
 typedef struct st_mysqlnd_result_metadata MYSQLND_RES_METADATA;
 typedef struct st_mysqlnd_buffered_result_parent MYSQLND_RES_BUFFERED;
 typedef struct st_mysqlnd_buffered_result_zval MYSQLND_RES_BUFFERED_ZVAL;
 typedef struct st_mysqlnd_buffered_result_c MYSQLND_RES_BUFFERED_C;
 typedef struct st_mysqlnd_unbuffered_result MYSQLND_RES_UNBUFFERED;
 
 typedef struct st_mysqlnd_debug MYSQLND_DEBUG;
 
 
 typedef MYSQLND_RES* (*mysqlnd_stmt_use_or_store_func)(MYSQLND_STMT * const);
 typedef enum_func_status  (*mysqlnd_fetch_row_func)(MYSQLND_RES *result,
 void * param,
 const unsigned int flags,
 zend_bool * fetched_anything
 );
 
 
 typedef struct st_mysqlnd_stats MYSQLND_STATS;
 
 typedef void (*mysqlnd_stat_trigger)(MYSQLND_STATS * stats, enum_mysqlnd_collected_stats stat, int64_t change);
 
 struct st_mysqlnd_stats
 {
 uint64_t                *values;
 mysqlnd_stat_trigger    *triggers;
 size_t                    count;
 zend_bool                in_trigger;
 #ifdef ZTS
 MUTEX_T    LOCK_access;
 #endif
 };
 
 
 typedef enum_func_status (*func_mysqlnd_execute_com_set_option)(MYSQLND_CONN_DATA * const conn, const enum_mysqlnd_server_option option);
 typedef enum_func_status (*func_mysqlnd_execute_com_debug)(MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status (*func_mysqlnd_execute_com_init_db)(MYSQLND_CONN_DATA * const conn, const MYSQLND_CSTRING db);
 typedef enum_func_status (*func_mysqlnd_execute_com_ping)(MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status (*func_mysqlnd_execute_com_statistics)(MYSQLND_CONN_DATA * const conn, zend_string ** message);
 typedef enum_func_status (*func_mysqlnd_execute_com_process_kill)(MYSQLND_CONN_DATA * const conn, const unsigned int process_id, const zend_bool read_response);
 typedef enum_func_status (*func_mysqlnd_execute_com_refresh)(MYSQLND_CONN_DATA * const conn, const uint8_t options);
 typedef enum_func_status (*func_mysqlnd_execute_com_shutdown)(MYSQLND_CONN_DATA * const conn, const uint8_t level);
 typedef enum_func_status (*func_mysqlnd_execute_com_quit)(MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status (*func_mysqlnd_execute_com_query)(MYSQLND_CONN_DATA * const conn, MYSQLND_CSTRING query);
 typedef enum_func_status (*func_mysqlnd_execute_com_change_user)(MYSQLND_CONN_DATA * const conn, const MYSQLND_CSTRING payload, const zend_bool silent);
 typedef enum_func_status (*func_mysqlnd_execute_com_reap_result)(MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status (*func_mysqlnd_execute_com_stmt_prepare)(MYSQLND_CONN_DATA * const conn, const MYSQLND_CSTRING query);
 typedef enum_func_status (*func_mysqlnd_execute_com_stmt_execute)(MYSQLND_CONN_DATA * conn, const MYSQLND_CSTRING payload);
 typedef enum_func_status (*func_mysqlnd_execute_com_stmt_fetch)(MYSQLND_CONN_DATA * const conn, const MYSQLND_CSTRING payload);
 typedef enum_func_status (*func_mysqlnd_execute_com_stmt_reset)(MYSQLND_CONN_DATA * const conn, const zend_ulong stmt_id);
 typedef enum_func_status (*func_mysqlnd_execute_com_stmt_send_long_data)(MYSQLND_CONN_DATA * const conn, const MYSQLND_CSTRING payload);
 typedef enum_func_status (*func_mysqlnd_execute_com_stmt_close)(MYSQLND_CONN_DATA * const conn, const zend_ulong stmt_id);
 typedef enum_func_status (*func_mysqlnd_execute_com_enable_ssl)(MYSQLND_CONN_DATA * const conn, const size_t client_capabilities, const size_t server_capabilities, const unsigned int charset_no);
 typedef enum_func_status (*func_mysqlnd_execute_com_handshake)(MYSQLND_CONN_DATA * const conn, const MYSQLND_CSTRING username, const MYSQLND_CSTRING password, const MYSQLND_CSTRING database, const size_t client_flags);
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_command)
 {
 func_mysqlnd_execute_com_set_option set_option;
 func_mysqlnd_execute_com_debug debug;
 func_mysqlnd_execute_com_init_db init_db;
 func_mysqlnd_execute_com_ping ping;
 func_mysqlnd_execute_com_statistics statistics;
 func_mysqlnd_execute_com_process_kill process_kill;
 func_mysqlnd_execute_com_refresh refresh;
 func_mysqlnd_execute_com_shutdown shutdown;
 func_mysqlnd_execute_com_quit quit;
 func_mysqlnd_execute_com_query query;
 func_mysqlnd_execute_com_change_user change_user;
 func_mysqlnd_execute_com_reap_result reap_result;
 func_mysqlnd_execute_com_stmt_prepare stmt_prepare;
 func_mysqlnd_execute_com_stmt_execute stmt_execute;
 func_mysqlnd_execute_com_stmt_fetch stmt_fetch;
 func_mysqlnd_execute_com_stmt_reset stmt_reset;
 func_mysqlnd_execute_com_stmt_send_long_data stmt_send_long_data;
 func_mysqlnd_execute_com_stmt_close stmt_close;
 func_mysqlnd_execute_com_enable_ssl enable_ssl;
 func_mysqlnd_execute_com_handshake handshake;
 };
 
 
 
 typedef enum_func_status    (*func_mysqlnd_vio__init)(MYSQLND_VIO * const vio, MYSQLND_STATS * const stats, MYSQLND_ERROR_INFO * const error_info);
 typedef void                (*func_mysqlnd_vio__dtor)(MYSQLND_VIO * const vio, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 
 typedef enum_func_status    (*func_mysqlnd_vio__connect)(MYSQLND_VIO * const vio, const MYSQLND_CSTRING scheme, const zend_bool persistent, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 
 typedef void                (*func_mysqlnd_vio__close_stream)(MYSQLND_VIO * const vio, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 typedef php_stream *        (*func_mysqlnd_vio__open_stream)(MYSQLND_VIO * const vio, const MYSQLND_CSTRING scheme, const zend_bool persistent, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 typedef php_stream *        (*func_mysqlnd_vio__get_stream)(const MYSQLND_VIO * const vio);
 typedef enum_func_status    (*func_mysqlnd_vio__set_stream)(MYSQLND_VIO * const vio, php_stream * vio_stream);
 typedef zend_bool            (*func_mysqlnd_vio__has_valid_stream)(const MYSQLND_VIO * const vio);
 typedef func_mysqlnd_vio__open_stream (*func_mysqlnd_vio__get_open_stream)(MYSQLND_VIO * const vio, const MYSQLND_CSTRING scheme, MYSQLND_ERROR_INFO * const error_info);
 
 typedef enum_func_status    (*func_mysqlnd_vio__set_client_option)(MYSQLND_VIO * const vio, enum_mysqlnd_client_option option, const char * const value);
 typedef void                (*func_mysqlnd_vio__post_connect_set_opt)(MYSQLND_VIO * const vio, const MYSQLND_CSTRING scheme, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 
 typedef enum_func_status    (*func_mysqlnd_vio__enable_ssl)(MYSQLND_VIO * const vio);
 typedef enum_func_status    (*func_mysqlnd_vio__disable_ssl)(MYSQLND_VIO * const vio);
 typedef enum_func_status    (*func_mysqlnd_vio__network_read)(MYSQLND_VIO * const vio, zend_uchar * const buffer, const size_t count, MYSQLND_STATS * const stats, MYSQLND_ERROR_INFO * const error_info);
 typedef ssize_t                (*func_mysqlnd_vio__network_write)(MYSQLND_VIO * const vio, const zend_uchar * const buf, const size_t count, MYSQLND_STATS * const stats, MYSQLND_ERROR_INFO * const error_info);
 
 typedef size_t                (*func_mysqlnd_vio__consume_uneaten_data)(MYSQLND_VIO * const vio, enum php_mysqlnd_server_command cmd);
 
 typedef void                (*func_mysqlnd_vio__free_contents)(MYSQLND_VIO * vio);
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_vio)
 {
 func_mysqlnd_vio__init init;
 func_mysqlnd_vio__dtor dtor;
 func_mysqlnd_vio__connect connect;
 
 func_mysqlnd_vio__close_stream close_stream;
 func_mysqlnd_vio__open_stream open_pipe;
 func_mysqlnd_vio__open_stream open_tcp_or_unix;
 
 func_mysqlnd_vio__get_stream get_stream;
 func_mysqlnd_vio__set_stream set_stream;
 func_mysqlnd_vio__has_valid_stream has_valid_stream;
 func_mysqlnd_vio__get_open_stream get_open_stream;
 
 func_mysqlnd_vio__set_client_option set_client_option;
 func_mysqlnd_vio__post_connect_set_opt post_connect_set_opt;
 
 func_mysqlnd_vio__enable_ssl enable_ssl;
 func_mysqlnd_vio__disable_ssl disable_ssl;
 
 func_mysqlnd_vio__network_read network_read;
 func_mysqlnd_vio__network_write network_write;
 
 func_mysqlnd_vio__consume_uneaten_data consume_uneaten_data;
 
 func_mysqlnd_vio__free_contents free_contents;
 };
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_object_factory);
 
 typedef MYSQLND * (*func_mysqlnd_object_factory__get_connection)(MYSQLND_CLASS_METHODS_TYPE(mysqlnd_object_factory) * factory, const zend_bool persistent);
 typedef MYSQLND * (*func_mysqlnd_object_factory__clone_connection_object)(MYSQLND * conn);
 typedef MYSQLND_STMT * (*func_mysqlnd_object_factory__get_prepared_statement)(MYSQLND_CONN_DATA * conn);
 typedef MYSQLND_PFC * (*func_mysqlnd_object_factory__get_pfc)(const zend_bool persistent, MYSQLND_STATS * stats, MYSQLND_ERROR_INFO * error_info);
 typedef MYSQLND_VIO * (*func_mysqlnd_object_factory__get_vio)(const zend_bool persistent, MYSQLND_STATS * stats, MYSQLND_ERROR_INFO * error_info);
 typedef MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * (*func_mysqlnd_object_factory__get_protocol_payload_decoder_factory)(MYSQLND_CONN_DATA * conn, const zend_bool persistent);
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_object_factory)
 {
 func_mysqlnd_object_factory__get_connection get_connection;
 func_mysqlnd_object_factory__clone_connection_object clone_connection_object;
 func_mysqlnd_object_factory__get_prepared_statement get_prepared_statement;
 func_mysqlnd_object_factory__get_pfc get_protocol_frame_codec;
 func_mysqlnd_object_factory__get_vio get_vio;
 func_mysqlnd_object_factory__get_protocol_payload_decoder_factory get_protocol_payload_decoder_factory;
 };
 
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__connect)(MYSQLND_CONN_DATA * conn, MYSQLND_CSTRING hostname, MYSQLND_CSTRING username, MYSQLND_CSTRING password, MYSQLND_CSTRING database, unsigned int port, MYSQLND_CSTRING socket_or_pipe, unsigned int mysql_flags);
 typedef zend_ulong            (*func_mysqlnd_conn_data__escape_string)(MYSQLND_CONN_DATA * const conn, char *newstr, const char *escapestr, size_t escapestr_len);
 typedef enum_func_status    (*func_mysqlnd_conn_data__set_charset)(MYSQLND_CONN_DATA * const conn, const char * const charset);
 typedef enum_func_status    (*func_mysqlnd_conn_data__query)(MYSQLND_CONN_DATA * conn, const char * const query, const size_t query_len);
 typedef enum_func_status    (*func_mysqlnd_conn_data__send_query)(MYSQLND_CONN_DATA * conn, const char * const query, const size_t query_len, enum_mysqlnd_send_query_type type, zval *read_cb, zval *err_cb);
 typedef enum_func_status    (*func_mysqlnd_conn_data__reap_query)(MYSQLND_CONN_DATA * conn, enum_mysqlnd_reap_result_type type);
 typedef MYSQLND_RES *        (*func_mysqlnd_conn_data__use_result)(MYSQLND_CONN_DATA * const conn, const unsigned int flags);
 typedef MYSQLND_RES *        (*func_mysqlnd_conn_data__store_result)(MYSQLND_CONN_DATA * const conn, const unsigned int flags);
 typedef enum_func_status    (*func_mysqlnd_conn_data__next_result)(MYSQLND_CONN_DATA * const conn);
 typedef zend_bool            (*func_mysqlnd_conn_data__more_results)(const MYSQLND_CONN_DATA * const conn);
 
 typedef MYSQLND_STMT *        (*func_mysqlnd_conn_data__stmt_init)(MYSQLND_CONN_DATA * const conn);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__shutdown_server)(MYSQLND_CONN_DATA * const conn, uint8_t level);
 typedef enum_func_status    (*func_mysqlnd_conn_data__refresh_server)(MYSQLND_CONN_DATA * const conn, uint8_t options);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__ping)(MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__kill_connection)(MYSQLND_CONN_DATA * conn, unsigned int pid);
 typedef enum_func_status    (*func_mysqlnd_conn_data__select_db)(MYSQLND_CONN_DATA * const conn, const char * const db, const size_t db_len);
 typedef enum_func_status    (*func_mysqlnd_conn_data__server_dump_debug_information)(MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__change_user)(MYSQLND_CONN_DATA * const conn, const char * user, const char * passwd, const char * db, zend_bool silent, size_t passwd_len);
 
 typedef unsigned int        (*func_mysqlnd_conn_data__get_error_no)(const MYSQLND_CONN_DATA * const conn);
 typedef const char *        (*func_mysqlnd_conn_data__get_error_str)(const MYSQLND_CONN_DATA * const conn);
 typedef const char *        (*func_mysqlnd_conn_data__get_sqlstate)(const MYSQLND_CONN_DATA * const conn);
 typedef uint64_t            (*func_mysqlnd_conn_data__get_thread_id)(const MYSQLND_CONN_DATA * const conn);
 typedef void                (*func_mysqlnd_conn_data__get_statistics)(const MYSQLND_CONN_DATA * const conn, zval *return_value ZEND_FILE_LINE_DC);
 
 typedef zend_ulong            (*func_mysqlnd_conn_data__get_server_version)(const MYSQLND_CONN_DATA * const conn);
 typedef const char *        (*func_mysqlnd_conn_data__get_server_information)(const MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__get_server_statistics)(MYSQLND_CONN_DATA * conn, zend_string **message);
 typedef const char *        (*func_mysqlnd_conn_data__get_host_information)(const MYSQLND_CONN_DATA * const conn);
 typedef unsigned int        (*func_mysqlnd_conn_data__get_protocol_information)(const MYSQLND_CONN_DATA * const conn);
 typedef const char *        (*func_mysqlnd_conn_data__get_last_message)(const MYSQLND_CONN_DATA * const conn);
 typedef const char *        (*func_mysqlnd_conn_data__charset_name)(const MYSQLND_CONN_DATA * const conn);
 typedef MYSQLND_RES *        (*func_mysqlnd_conn_data__list_method)(MYSQLND_CONN_DATA * conn, const char * const query, const char * const achtung_wild, const char * const par1);
 
 typedef uint64_t            (*func_mysqlnd_conn_data__get_last_insert_id)(const MYSQLND_CONN_DATA * const conn);
 typedef uint64_t            (*func_mysqlnd_conn_data__get_affected_rows)(const MYSQLND_CONN_DATA * const conn);
 typedef unsigned int        (*func_mysqlnd_conn_data__get_warning_count)(const MYSQLND_CONN_DATA * const conn);
 
 typedef unsigned int        (*func_mysqlnd_conn_data__get_field_count)(const MYSQLND_CONN_DATA * const conn);
 
 typedef unsigned int        (*func_mysqlnd_conn_data__get_server_status)(const MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__set_server_option)(MYSQLND_CONN_DATA * const conn, enum_mysqlnd_server_option option);
 typedef enum_func_status    (*func_mysqlnd_conn_data__set_client_option)(MYSQLND_CONN_DATA * const conn, enum_mysqlnd_client_option option, const char * const value);
 typedef void                (*func_mysqlnd_conn_data__free_contents)(MYSQLND_CONN_DATA * conn);/* private */
 typedef void                (*func_mysqlnd_conn_data__free_options)(MYSQLND_CONN_DATA * conn);    /* private */
 typedef void                (*func_mysqlnd_conn_data__dtor)(MYSQLND_CONN_DATA * conn);    /* private */
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__query_read_result_set_header)(MYSQLND_CONN_DATA * conn, MYSQLND_STMT * stmt);
 
 typedef MYSQLND_CONN_DATA *    (*func_mysqlnd_conn_data__get_reference)(MYSQLND_CONN_DATA * const conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__free_reference)(MYSQLND_CONN_DATA * const conn);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__send_command_do_request)(MYSQLND_CONN_DATA * const conn, const enum php_mysqlnd_server_command command, const zend_uchar * const arg, const size_t arg_len, const zend_bool silent, const zend_bool ignore_upsert_status);
 typedef enum_func_status    (*func_mysqlnd_conn_data__send_command_handle_response)(MYSQLND_CONN_DATA * const conn, const enum mysqlnd_packet_type ok_packet, const zend_bool silent, const enum php_mysqlnd_server_command command, const zend_bool ignore_upsert_status);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__restart_psession)(MYSQLND_CONN_DATA * conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__end_psession)(MYSQLND_CONN_DATA * conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__send_close)(MYSQLND_CONN_DATA * conn);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__ssl_set)(MYSQLND_CONN_DATA * const conn, const char * key, const char * const cert, const char * const ca, const char * const capath, const char * const cipher);
 
 typedef MYSQLND_RES *         (*func_mysqlnd_conn_data__result_init)(unsigned int field_count);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__set_autocommit)(MYSQLND_CONN_DATA * conn, unsigned int mode);
 typedef enum_func_status    (*func_mysqlnd_conn_data__tx_commit)(MYSQLND_CONN_DATA * conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__tx_rollback)(MYSQLND_CONN_DATA * conn);
 typedef enum_func_status    (*func_mysqlnd_conn_data__tx_begin)(MYSQLND_CONN_DATA * conn, const unsigned int mode, const char * const name);
 typedef enum_func_status    (*func_mysqlnd_conn_data__tx_commit_or_rollback)(MYSQLND_CONN_DATA * conn, const zend_bool commit, const unsigned int flags, const char * const name);
 typedef void                (*func_mysqlnd_conn_data__tx_cor_options_to_string)(const MYSQLND_CONN_DATA * const conn, smart_str * tmp_str, const unsigned int mode);
 typedef enum_func_status    (*func_mysqlnd_conn_data__tx_savepoint)(MYSQLND_CONN_DATA * conn, const char * const name);
 typedef enum_func_status    (*func_mysqlnd_conn_data__tx_savepoint_release)(MYSQLND_CONN_DATA * conn, const char * const name);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__local_tx_start)(MYSQLND_CONN_DATA * conn, const size_t this_func);
 typedef enum_func_status    (*func_mysqlnd_conn_data__local_tx_end)(MYSQLND_CONN_DATA * conn, const size_t this_func, const enum_func_status status);
 typedef enum_func_status    (*func_mysqlnd_conn_data__execute_init_commands)(MYSQLND_CONN_DATA * conn);
 typedef unsigned int        (*func_mysqlnd_conn_data__get_updated_connect_flags)(MYSQLND_CONN_DATA * conn, unsigned int mysql_flags);
 typedef enum_func_status    (*func_mysqlnd_conn_data__connect_handshake)(MYSQLND_CONN_DATA * conn, const MYSQLND_CSTRING * const scheme, const MYSQLND_CSTRING * const username, const MYSQLND_CSTRING * const password, const MYSQLND_CSTRING * const database, const unsigned int mysql_flags);
 typedef struct st_mysqlnd_authentication_plugin * (*func_mysqlnd_conn_data__fetch_auth_plugin_by_name)(const char * const requested_protocol);
 
 typedef enum_func_status    (*func_mysqlnd_conn_data__set_client_option_2d)(MYSQLND_CONN_DATA * const conn, const enum_mysqlnd_client_option option, const char * const key, const char * const value);
 
 
 typedef size_t                (*func_mysqlnd_conn_data__negotiate_client_api_capabilities)(MYSQLND_CONN_DATA * const conn, const size_t flags);
 typedef size_t                (*func_mysqlnd_conn_data__get_client_api_capabilities)(const MYSQLND_CONN_DATA * const conn);
 
 typedef MYSQLND_STRING        (*func_mysqlnd_conn_data__get_scheme)(MYSQLND_CONN_DATA * conn, MYSQLND_CSTRING hostname, MYSQLND_CSTRING *socket_or_pipe, unsigned int port, zend_bool * unix_socket, zend_bool * named_pipe);
 
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data)
 {
 func_mysqlnd_conn_data__connect connect;
 func_mysqlnd_conn_data__escape_string escape_string;
 func_mysqlnd_conn_data__set_charset set_charset;
 func_mysqlnd_conn_data__query query;
 func_mysqlnd_conn_data__send_query send_query;
 func_mysqlnd_conn_data__reap_query reap_query;
 func_mysqlnd_conn_data__use_result use_result;
 func_mysqlnd_conn_data__store_result store_result;
 func_mysqlnd_conn_data__next_result next_result;
 func_mysqlnd_conn_data__more_results more_results;
 
 func_mysqlnd_conn_data__stmt_init stmt_init;
 
 func_mysqlnd_conn_data__shutdown_server shutdown_server;
 func_mysqlnd_conn_data__refresh_server refresh_server;
 
 func_mysqlnd_conn_data__ping ping;
 func_mysqlnd_conn_data__kill_connection kill_connection;
 func_mysqlnd_conn_data__select_db select_db;
 func_mysqlnd_conn_data__server_dump_debug_information server_dump_debug_information;
 func_mysqlnd_conn_data__change_user change_user;
 
 func_mysqlnd_conn_data__get_error_no get_error_no;
 func_mysqlnd_conn_data__get_error_str get_error_str;
 func_mysqlnd_conn_data__get_sqlstate get_sqlstate;
 func_mysqlnd_conn_data__get_thread_id get_thread_id;
 func_mysqlnd_conn_data__get_statistics get_statistics;
 
 func_mysqlnd_conn_data__get_server_version get_server_version;
 func_mysqlnd_conn_data__get_server_information get_server_information;
 func_mysqlnd_conn_data__get_server_statistics get_server_statistics;
 func_mysqlnd_conn_data__get_host_information get_host_information;
 func_mysqlnd_conn_data__get_protocol_information get_protocol_information;
 func_mysqlnd_conn_data__get_last_message get_last_message;
 func_mysqlnd_conn_data__charset_name charset_name;
 func_mysqlnd_conn_data__list_method list_method;
 
 func_mysqlnd_conn_data__get_last_insert_id get_last_insert_id;
 func_mysqlnd_conn_data__get_affected_rows get_affected_rows;
 func_mysqlnd_conn_data__get_warning_count get_warning_count;
 
 func_mysqlnd_conn_data__get_field_count get_field_count;
 
 func_mysqlnd_conn_data__get_server_status get_server_status;
 
 func_mysqlnd_conn_data__set_server_option set_server_option;
 func_mysqlnd_conn_data__set_client_option set_client_option;
 func_mysqlnd_conn_data__free_contents free_contents;
 func_mysqlnd_conn_data__free_options free_options;
 func_mysqlnd_conn_data__dtor dtor;
 
 func_mysqlnd_conn_data__query_read_result_set_header query_read_result_set_header;
 
 func_mysqlnd_conn_data__get_reference get_reference;
 func_mysqlnd_conn_data__free_reference free_reference;
 
 func_mysqlnd_conn_data__restart_psession restart_psession;
 func_mysqlnd_conn_data__end_psession end_psession;
 func_mysqlnd_conn_data__send_close send_close;
 
 func_mysqlnd_conn_data__ssl_set ssl_set;
 
 func_mysqlnd_conn_data__result_init result_init;
 func_mysqlnd_conn_data__set_autocommit set_autocommit;
 func_mysqlnd_conn_data__tx_commit tx_commit;
 func_mysqlnd_conn_data__tx_rollback tx_rollback;
 func_mysqlnd_conn_data__tx_begin tx_begin;
 func_mysqlnd_conn_data__tx_commit_or_rollback tx_commit_or_rollback;
 func_mysqlnd_conn_data__tx_cor_options_to_string tx_cor_options_to_string;
 func_mysqlnd_conn_data__tx_savepoint tx_savepoint;
 func_mysqlnd_conn_data__tx_savepoint_release tx_savepoint_release;
 
 func_mysqlnd_conn_data__local_tx_start local_tx_start;
 func_mysqlnd_conn_data__local_tx_end local_tx_end;
 
 func_mysqlnd_conn_data__execute_init_commands execute_init_commands;
 func_mysqlnd_conn_data__get_updated_connect_flags get_updated_connect_flags;
 func_mysqlnd_conn_data__connect_handshake connect_handshake;
 func_mysqlnd_conn_data__fetch_auth_plugin_by_name fetch_auth_plugin_by_name;
 
 func_mysqlnd_conn_data__set_client_option_2d set_client_option_2d;
 
 func_mysqlnd_conn_data__negotiate_client_api_capabilities negotiate_client_api_capabilities;
 func_mysqlnd_conn_data__get_client_api_capabilities get_client_api_capabilities;
 
 func_mysqlnd_conn_data__get_scheme get_scheme;
 };
 
 
 typedef enum_func_status    (*func_mysqlnd_data__connect)(MYSQLND * conn, const MYSQLND_CSTRING hostname, const MYSQLND_CSTRING username, const MYSQLND_CSTRING password, const MYSQLND_CSTRING database, unsigned int port, const MYSQLND_CSTRING socket_or_pipe, unsigned int mysql_flags);
 typedef MYSQLND *            (*func_mysqlnd_conn__clone_object)(MYSQLND * const conn);
 typedef void                (*func_mysqlnd_conn__dtor)(MYSQLND * conn);
 typedef enum_func_status    (*func_mysqlnd_conn__close)(MYSQLND * conn, const enum_connection_close_type close_type);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn)
 {
 func_mysqlnd_data__connect connect;
 func_mysqlnd_conn__clone_object clone_object;
 func_mysqlnd_conn__dtor dtor;
 func_mysqlnd_conn__close close;
 };
 
 
 /* for decoding - binary or text protocol */
 typedef enum_func_status    (*func_mysqlnd_res__row_decoder)(MYSQLND_ROW_BUFFER * row_buffer, zval * fields,
 const unsigned int field_count, const MYSQLND_FIELD * const fields_metadata,
 const zend_bool as_int_or_float, MYSQLND_STATS * const stats);
 
 
 typedef MYSQLND_RES *        (*func_mysqlnd_res__use_result)(MYSQLND_RES * const result, const zend_bool ps_protocol);
 typedef MYSQLND_RES *        (*func_mysqlnd_res__store_result)(MYSQLND_RES * result, MYSQLND_CONN_DATA * const conn, const unsigned int flags);
 typedef void                 (*func_mysqlnd_res__fetch_into)(MYSQLND_RES *result, const unsigned int flags, zval *return_value, enum_mysqlnd_extension ext ZEND_FILE_LINE_DC);
 typedef MYSQLND_ROW_C         (*func_mysqlnd_res__fetch_row_c)(MYSQLND_RES *result);
 typedef void                 (*func_mysqlnd_res__fetch_all)(MYSQLND_RES *result, const unsigned int flags, zval *return_value ZEND_FILE_LINE_DC);
 typedef void                 (*func_mysqlnd_res__fetch_field_data)(MYSQLND_RES *result, const unsigned int offset, zval *return_value);
 typedef uint64_t            (*func_mysqlnd_res__num_rows)(const MYSQLND_RES * const result);
 typedef unsigned int        (*func_mysqlnd_res__num_fields)(const MYSQLND_RES * const result);
 typedef enum_func_status    (*func_mysqlnd_res__skip_result)(MYSQLND_RES * const result);
 typedef enum_func_status    (*func_mysqlnd_res__seek_data)(MYSQLND_RES * const result, const uint64_t row);
 typedef MYSQLND_FIELD_OFFSET (*func_mysqlnd_res__seek_field)(MYSQLND_RES * const result, const MYSQLND_FIELD_OFFSET field_offset);
 typedef MYSQLND_FIELD_OFFSET (*func_mysqlnd_res__field_tell)(const MYSQLND_RES * const result);
 typedef const MYSQLND_FIELD *(*func_mysqlnd_res__fetch_field)(MYSQLND_RES * const result);
 typedef const MYSQLND_FIELD *(*func_mysqlnd_res__fetch_field_direct)(MYSQLND_RES * const result, const MYSQLND_FIELD_OFFSET fieldnr);
 typedef const MYSQLND_FIELD *(*func_mysqlnd_res__fetch_fields)(MYSQLND_RES * const result);
 
 typedef enum_func_status    (*func_mysqlnd_res__read_result_metadata)(MYSQLND_RES * result, MYSQLND_CONN_DATA * conn);
 typedef const size_t *        (*func_mysqlnd_res__fetch_lengths)(const MYSQLND_RES * const result);
 typedef enum_func_status    (*func_mysqlnd_res__store_result_fetch_data)(MYSQLND_CONN_DATA * const conn, MYSQLND_RES * result, MYSQLND_RES_METADATA * meta, MYSQLND_ROW_BUFFER ** row_buffers, zend_bool binary_protocol);
 
 typedef void                (*func_mysqlnd_res__free_result_buffers)(MYSQLND_RES * result);    /* private */
 typedef enum_func_status    (*func_mysqlnd_res__free_result)(MYSQLND_RES * result, const zend_bool implicit);
 typedef void                (*func_mysqlnd_res__free_result_internal)(MYSQLND_RES *result);
 typedef void                (*func_mysqlnd_res__free_result_contents)(MYSQLND_RES *result);
 typedef void                (*func_mysqlnd_res__free_buffered_data)(MYSQLND_RES *result);
 typedef void                (*func_mysqlnd_res__unbuffered_free_last_data)(MYSQLND_RES *result);
 
 
 typedef MYSQLND_RES_METADATA * (*func_mysqlnd_res__result_meta_init)(MYSQLND_RES *result, unsigned int field_count);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_res)
 {
 mysqlnd_fetch_row_func    fetch_row;
 
 func_mysqlnd_res__use_result use_result;
 func_mysqlnd_res__store_result store_result;
 func_mysqlnd_res__fetch_into fetch_into;
 func_mysqlnd_res__fetch_row_c fetch_row_c;
 func_mysqlnd_res__fetch_all fetch_all;
 func_mysqlnd_res__fetch_field_data fetch_field_data;
 func_mysqlnd_res__num_rows num_rows;
 func_mysqlnd_res__num_fields num_fields;
 func_mysqlnd_res__skip_result skip_result;
 func_mysqlnd_res__seek_data seek_data;
 func_mysqlnd_res__seek_field seek_field;
 func_mysqlnd_res__field_tell field_tell;
 func_mysqlnd_res__fetch_field fetch_field;
 func_mysqlnd_res__fetch_field_direct fetch_field_direct;
 func_mysqlnd_res__fetch_fields fetch_fields;
 func_mysqlnd_res__read_result_metadata read_result_metadata;
 func_mysqlnd_res__fetch_lengths fetch_lengths;
 func_mysqlnd_res__store_result_fetch_data store_result_fetch_data;
 func_mysqlnd_res__free_result_buffers free_result_buffers;
 func_mysqlnd_res__free_result free_result;
 func_mysqlnd_res__free_result_internal free_result_internal;
 func_mysqlnd_res__free_result_contents free_result_contents;
 
 func_mysqlnd_res__result_meta_init result_meta_init;
 
 void * unused1;
 void * unused2;
 void * unused3;
 void * unused4;
 void * unused5;
 };
 
 
 typedef uint64_t        (*func_mysqlnd_result_unbuffered__num_rows)(const MYSQLND_RES_UNBUFFERED * const result);
 typedef const size_t *    (*func_mysqlnd_result_unbuffered__fetch_lengths)(const MYSQLND_RES_UNBUFFERED * const result);
 typedef void            (*func_mysqlnd_result_unbuffered__free_last_data)(MYSQLND_RES_UNBUFFERED * result, MYSQLND_STATS * const global_stats);
 typedef void            (*func_mysqlnd_result_unbuffered__free_result)(MYSQLND_RES_UNBUFFERED * const result, MYSQLND_STATS * const global_stats);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_result_unbuffered)
 {
 mysqlnd_fetch_row_func                            fetch_row;
 func_mysqlnd_res__row_decoder                    row_decoder;
 func_mysqlnd_result_unbuffered__num_rows        num_rows;
 func_mysqlnd_result_unbuffered__fetch_lengths    fetch_lengths;
 func_mysqlnd_result_unbuffered__free_last_data    free_last_data;
 func_mysqlnd_result_unbuffered__free_result        free_result;
 };
 
 typedef uint64_t            (*func_mysqlnd_result_buffered__num_rows)(const MYSQLND_RES_BUFFERED * const result);
 typedef enum_func_status    (*func_mysqlnd_result_buffered__initialize_result_set_rest)(MYSQLND_RES_BUFFERED * const result, MYSQLND_RES_METADATA * const meta,
 MYSQLND_STATS * stats, const zend_bool int_and_float_native);
 typedef const size_t *        (*func_mysqlnd_result_buffered__fetch_lengths)(const MYSQLND_RES_BUFFERED * const result);
 typedef enum_func_status    (*func_mysqlnd_result_buffered__data_seek)(MYSQLND_RES_BUFFERED * const result, const uint64_t row);
 typedef void                (*func_mysqlnd_result_buffered__free_result)(MYSQLND_RES_BUFFERED * const result);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_result_buffered)
 {
 mysqlnd_fetch_row_func                        fetch_row;
 func_mysqlnd_res__row_decoder                row_decoder;
 func_mysqlnd_result_buffered__num_rows        num_rows;
 func_mysqlnd_result_buffered__fetch_lengths    fetch_lengths;
 func_mysqlnd_result_buffered__data_seek        data_seek;
 func_mysqlnd_result_buffered__initialize_result_set_rest initialize_result_set_rest;
 func_mysqlnd_result_buffered__free_result    free_result;
 };
 
 
 typedef const MYSQLND_FIELD *    (*func_mysqlnd_res_meta__fetch_field)(MYSQLND_RES_METADATA * const meta);
 typedef const MYSQLND_FIELD *    (*func_mysqlnd_res_meta__fetch_field_direct)(const MYSQLND_RES_METADATA * const meta, const MYSQLND_FIELD_OFFSET fieldnr);
 typedef const MYSQLND_FIELD *    (*func_mysqlnd_res_meta__fetch_fields)(MYSQLND_RES_METADATA * const meta);
 typedef MYSQLND_FIELD_OFFSET    (*func_mysqlnd_res_meta__field_tell)(const MYSQLND_RES_METADATA * const meta);
 typedef MYSQLND_FIELD_OFFSET    (*func_mysqlnd_res_meta__field_seek)(MYSQLND_RES_METADATA * const meta, const MYSQLND_FIELD_OFFSET field_offset);
 typedef enum_func_status        (*func_mysqlnd_res_meta__read_metadata)(MYSQLND_RES_METADATA * const meta, MYSQLND_CONN_DATA * conn, MYSQLND_RES * result);
 typedef MYSQLND_RES_METADATA *    (*func_mysqlnd_res_meta__clone_metadata)(MYSQLND_RES *result, const MYSQLND_RES_METADATA * const meta);
 typedef void                    (*func_mysqlnd_res_meta__free_metadata)(MYSQLND_RES_METADATA * meta);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_res_meta)
 {
 func_mysqlnd_res_meta__fetch_field fetch_field;
 func_mysqlnd_res_meta__fetch_field_direct fetch_field_direct;
 func_mysqlnd_res_meta__fetch_fields fetch_fields;
 func_mysqlnd_res_meta__field_tell field_tell;
 func_mysqlnd_res_meta__field_seek field_seek;
 func_mysqlnd_res_meta__read_metadata read_metadata;
 func_mysqlnd_res_meta__clone_metadata clone_metadata;
 func_mysqlnd_res_meta__free_metadata free_metadata;
 };
 
 
 typedef enum_func_status    (*func_mysqlnd_stmt__prepare)(MYSQLND_STMT * const stmt, const char * const query, const size_t query_len);
 typedef enum_func_status    (*func_mysqlnd_stmt__send_execute)(MYSQLND_STMT * const s, const enum_mysqlnd_send_execute_type type, zval * read_cb, zval * err_cb);
 typedef enum_func_status    (*func_mysqlnd_stmt__execute)(MYSQLND_STMT * const stmt);
 typedef MYSQLND_RES *        (*func_mysqlnd_stmt__use_result)(MYSQLND_STMT * const stmt);
 typedef MYSQLND_RES *        (*func_mysqlnd_stmt__store_result)(MYSQLND_STMT * const stmt);
 typedef MYSQLND_RES *        (*func_mysqlnd_stmt__get_result)(MYSQLND_STMT * const stmt);
 typedef zend_bool            (*func_mysqlnd_stmt__more_results)(const MYSQLND_STMT * const stmt);
 typedef enum_func_status    (*func_mysqlnd_stmt__next_result)(MYSQLND_STMT * const stmt);
 typedef enum_func_status    (*func_mysqlnd_stmt__free_result)(MYSQLND_STMT * const stmt);
 typedef enum_func_status    (*func_mysqlnd_stmt__seek_data)(const MYSQLND_STMT * const stmt, uint64_t row);
 typedef enum_func_status    (*func_mysqlnd_stmt__reset)(MYSQLND_STMT * const stmt);
 typedef enum_func_status    (*func_mysqlnd_stmt__close_on_server)(MYSQLND_STMT * const stmt, zend_bool implicit); /* private */
 typedef enum_func_status    (*func_mysqlnd_stmt__dtor)(MYSQLND_STMT * const stmt, zend_bool implicit); /* use this for mysqlnd_stmt_close */
 typedef enum_func_status    (*func_mysqlnd_stmt__fetch)(MYSQLND_STMT * const stmt, zend_bool * const fetched_anything);
 typedef enum_func_status    (*func_mysqlnd_stmt__bind_parameters)(MYSQLND_STMT * const stmt, MYSQLND_PARAM_BIND * const param_bind);
 typedef enum_func_status    (*func_mysqlnd_stmt__bind_one_parameter)(MYSQLND_STMT * const stmt, unsigned int param_no, zval * const zv, zend_uchar    type);
 typedef enum_func_status    (*func_mysqlnd_stmt__refresh_bind_param)(MYSQLND_STMT * const stmt);
 typedef enum_func_status    (*func_mysqlnd_stmt__bind_result)(MYSQLND_STMT * const stmt, MYSQLND_RESULT_BIND * const result_bind);
 typedef enum_func_status    (*func_mysqlnd_stmt__bind_one_result)(MYSQLND_STMT * const stmt, unsigned int param_no);
 typedef enum_func_status    (*func_mysqlnd_stmt__send_long_data)(MYSQLND_STMT * const stmt, unsigned int param_num, const char * const data, zend_ulong length);
 typedef MYSQLND_RES *        (*func_mysqlnd_stmt__get_parameter_metadata)(MYSQLND_STMT * const stmt);
 typedef MYSQLND_RES *        (*func_mysqlnd_stmt__get_result_metadata)(MYSQLND_STMT * const stmt);
 typedef uint64_t            (*func_mysqlnd_stmt__get_last_insert_id)(const MYSQLND_STMT * const stmt);
 typedef uint64_t            (*func_mysqlnd_stmt__get_affected_rows)(const MYSQLND_STMT * const stmt);
 typedef uint64_t            (*func_mysqlnd_stmt__get_num_rows)(const MYSQLND_STMT * const stmt);
 typedef unsigned int        (*func_mysqlnd_stmt__get_param_count)(const MYSQLND_STMT * const stmt);
 typedef unsigned int        (*func_mysqlnd_stmt__get_field_count)(const MYSQLND_STMT * const stmt);
 typedef unsigned int        (*func_mysqlnd_stmt__get_warning_count)(const MYSQLND_STMT * const stmt);
 typedef unsigned int        (*func_mysqlnd_stmt__get_error_no)(const MYSQLND_STMT * const stmt);
 typedef const char *        (*func_mysqlnd_stmt__get_error_str)(const MYSQLND_STMT * const stmt);
 typedef const char *        (*func_mysqlnd_stmt__get_sqlstate)(const MYSQLND_STMT * const stmt);
 typedef enum_func_status    (*func_mysqlnd_stmt__get_attribute)(const MYSQLND_STMT * const stmt, enum mysqlnd_stmt_attr attr_type, void * const value);
 typedef enum_func_status    (*func_mysqlnd_stmt__set_attribute)(MYSQLND_STMT * const stmt, enum mysqlnd_stmt_attr attr_type, const void * const value);
 typedef MYSQLND_PARAM_BIND *(*func_mysqlnd_stmt__alloc_param_bind)(MYSQLND_STMT * const stmt);
 typedef MYSQLND_RESULT_BIND*(*func_mysqlnd_stmt__alloc_result_bind)(MYSQLND_STMT * const stmt);
 typedef    void                 (*func_mysqlnd_stmt__free_parameter_bind)(MYSQLND_STMT * const stmt, MYSQLND_PARAM_BIND *);
 typedef    void                 (*func_mysqlnd_stmt__free_result_bind)(MYSQLND_STMT * const stmt, MYSQLND_RESULT_BIND *);
 typedef unsigned int        (*func_mysqlnd_stmt__server_status)(const MYSQLND_STMT * const stmt);
 typedef enum_func_status     (*func_mysqlnd_stmt__generate_execute_request)(MYSQLND_STMT * const s, zend_uchar ** request, size_t *request_len, zend_bool * free_buffer);
 typedef enum_func_status    (*func_mysqlnd_stmt__parse_execute_response)(MYSQLND_STMT * const s, enum_mysqlnd_parse_exec_response_type type);
 typedef void                 (*func_mysqlnd_stmt__free_stmt_content)(MYSQLND_STMT * const s);
 typedef enum_func_status    (*func_mysqlnd_stmt__flush)(MYSQLND_STMT * const stmt);
 typedef void                 (*func_mysqlnd_stmt__free_stmt_result)(MYSQLND_STMT * const s);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_stmt)
 {
 func_mysqlnd_stmt__prepare prepare;
 func_mysqlnd_stmt__send_execute send_execute;
 func_mysqlnd_stmt__execute execute;
 func_mysqlnd_stmt__use_result use_result;
 func_mysqlnd_stmt__store_result store_result;
 func_mysqlnd_stmt__get_result get_result;
 func_mysqlnd_stmt__more_results more_results;
 func_mysqlnd_stmt__next_result next_result;
 func_mysqlnd_stmt__free_result free_result;
 func_mysqlnd_stmt__seek_data seek_data;
 func_mysqlnd_stmt__reset reset;
 func_mysqlnd_stmt__close_on_server close_on_server;
 func_mysqlnd_stmt__dtor dtor;
 func_mysqlnd_stmt__fetch fetch;
 
 func_mysqlnd_stmt__bind_parameters bind_parameters;
 func_mysqlnd_stmt__bind_one_parameter bind_one_parameter;
 func_mysqlnd_stmt__refresh_bind_param refresh_bind_param;
 func_mysqlnd_stmt__bind_result bind_result;
 func_mysqlnd_stmt__bind_one_result bind_one_result;
 func_mysqlnd_stmt__send_long_data send_long_data;
 func_mysqlnd_stmt__get_parameter_metadata get_parameter_metadata;
 func_mysqlnd_stmt__get_result_metadata get_result_metadata;
 
 func_mysqlnd_stmt__get_last_insert_id get_last_insert_id;
 func_mysqlnd_stmt__get_affected_rows get_affected_rows;
 func_mysqlnd_stmt__get_num_rows get_num_rows;
 
 func_mysqlnd_stmt__get_param_count get_param_count;
 func_mysqlnd_stmt__get_field_count get_field_count;
 func_mysqlnd_stmt__get_warning_count get_warning_count;
 
 func_mysqlnd_stmt__get_error_no get_error_no;
 func_mysqlnd_stmt__get_error_str get_error_str;
 func_mysqlnd_stmt__get_sqlstate get_sqlstate;
 
 func_mysqlnd_stmt__get_attribute get_attribute;
 func_mysqlnd_stmt__set_attribute set_attribute;
 
 func_mysqlnd_stmt__alloc_param_bind alloc_parameter_bind;
 func_mysqlnd_stmt__alloc_result_bind alloc_result_bind;
 
 func_mysqlnd_stmt__free_parameter_bind free_parameter_bind;
 func_mysqlnd_stmt__free_result_bind free_result_bind;
 
 func_mysqlnd_stmt__server_status get_server_status;
 
 func_mysqlnd_stmt__generate_execute_request generate_execute_request;
 func_mysqlnd_stmt__parse_execute_response parse_execute_response;
 
 func_mysqlnd_stmt__free_stmt_content free_stmt_content;
 
 func_mysqlnd_stmt__flush flush;
 
 func_mysqlnd_stmt__free_stmt_result free_stmt_result;
 };
 
 
 struct st_mysqlnd_vio_data
 {
 php_stream            *stream;
 zend_bool            ssl;
 MYSQLND_VIO_OPTIONS    options;
 #ifdef MYSQLND_DO_WIRE_CHECK_BEFORE_COMMAND
 zend_uchar            last_command;
 #else
 zend_uchar            unused_pad1;
 #endif
 
 zend_bool            persistent;
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_vio) m;
 };
 
 
 struct st_mysqlnd_vio
 {
 struct st_mysqlnd_vio_data * data;
 
 zend_bool persistent;
 };
 
 
 
 typedef struct st_mysqlnd_connection_state MYSQLND_CONNECTION_STATE;
 typedef enum mysqlnd_connection_state (*func_mysqlnd_connection_state__get)(const MYSQLND_CONNECTION_STATE * const state_struct);
 typedef void (*func_mysqlnd_connection_state__set)(MYSQLND_CONNECTION_STATE * const state_struct, const enum mysqlnd_connection_state state);
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_connection_state)
 {
 func_mysqlnd_connection_state__get get;
 func_mysqlnd_connection_state__set set;
 };
 
 struct st_mysqlnd_connection_state
 {
 enum mysqlnd_connection_state state;
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_connection_state) *m;
 };
 
 struct st_mysqlnd_connection_data
 {
 /* Operation related */
 MYSQLND_PFC        * protocol_frame_codec;
 MYSQLND_VIO        * vio;
 MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * payload_decoder_factory;
 
 /* Information related */
 MYSQLND_STRING    hostname;
 MYSQLND_STRING    unix_socket;
 MYSQLND_STRING    username;
 MYSQLND_STRING    password;
 MYSQLND_STRING    scheme;
 uint64_t        thread_id;
 char            *server_version;
 char            *host_info;
 MYSQLND_STRING    authentication_plugin_data;
 const MYSQLND_CHARSET *charset;
 const MYSQLND_CHARSET *greet_charset;
 MYSQLND_STRING    connect_or_select_db;
 MYSQLND_INFILE    infile;
 unsigned int    protocol_version;
 unsigned int    port;
 zend_ulong        server_capabilities;
 
 /* For UPSERT queries */
 MYSQLND_UPSERT_STATUS * upsert_status;
 MYSQLND_UPSERT_STATUS upsert_status_impl;
 MYSQLND_STRING last_message;
 
 /* If error packet, we use these */
 MYSQLND_ERROR_INFO    * error_info;
 MYSQLND_ERROR_INFO    error_info_impl;
 
 MYSQLND_CONNECTION_STATE    state;
 enum_mysqlnd_query_type        last_query_type;
 /* Temporary storage between query and (use|store)_result() call */
 MYSQLND_RES                        *current_result;
 
 /*
 How many result sets reference this connection.
 It won't be freed until this number reaches 0.
 The last one, please close the door! :-)
 The result set objects can determine by inspecting
 'quit_sent' whether the connection is still valid.
 */
 unsigned int    refcount;
 
 /* Temporal storage for mysql_query */
 unsigned int    field_count;
 
 /* options */
 MYSQLND_SESSION_OPTIONS    * options;
 MYSQLND_SESSION_OPTIONS    options_impl;
 
 /* stats */
 MYSQLND_STATS    * stats;
 
 size_t            client_api_capabilities;
 
 zval            async_read_cb;
 zval            async_err_cb;
 zend_bool        in_async_read_cb;
 zend_bool        in_async_err_cb;
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_object_factory) object_factory;
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_command) * command;
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn_data) * m;
 
 /* persistent connection */
 zend_bool        persistent;
 };
 
 
 struct st_mysqlnd_connection
 {
 MYSQLND_CONN_DATA * data;
 zend_bool persistent;
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_conn) * m;
 };
 
 
 
 struct st_mysqlnd_packet_greet;
 struct st_mysqlnd_packet_auth;
 struct st_mysqlnd_packet_auth_response;
 struct st_mysqlnd_packet_change_auth_response;
 struct st_mysqlnd_packet_ok;
 struct st_mysqlnd_packet_command;
 struct st_mysqlnd_packet_eof;
 struct st_mysqlnd_packet_rset_header;
 struct st_mysqlnd_packet_res_field;
 struct st_mysqlnd_packet_row;
 struct st_mysqlnd_packet_stats;
 struct st_mysqlnd_packet_prepare_response;
 struct st_mysqlnd_packet_chg_user_resp;
 struct st_mysqlnd_packet_auth_pam;
 struct st_mysqlnd_packet_sha256_pk_request;
 struct st_mysqlnd_packet_sha256_pk_request_response;
 struct st_mysqlnd_packet_cached_sha2_result;
 
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_greet_packet)(struct st_mysqlnd_packet_greet *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_auth_packet)(struct st_mysqlnd_packet_auth *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_auth_response_packet)(struct st_mysqlnd_packet_auth_response *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_change_auth_response_packet)(struct st_mysqlnd_packet_change_auth_response *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_ok_packet)(struct st_mysqlnd_packet_ok *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_command_packet)(struct st_mysqlnd_packet_command *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_eof_packet)(struct st_mysqlnd_packet_eof *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_rset_header_packet)(struct st_mysqlnd_packet_rset_header *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_result_field_packet)(struct st_mysqlnd_packet_res_field *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_row_packet)(struct st_mysqlnd_packet_row *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_stats_packet)(struct st_mysqlnd_packet_stats *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_prepare_response_packet)(struct st_mysqlnd_packet_prepare_response *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_change_user_response_packet)(struct st_mysqlnd_packet_chg_user_resp *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_sha256_pk_request_packet)(struct st_mysqlnd_packet_sha256_pk_request *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_sha256_pk_request_response_packet)(struct st_mysqlnd_packet_sha256_pk_request_response *packet);
 typedef void (*func_mysqlnd_protocol_payload_decoder_factory__init_cached_sha2_result_packet)(struct st_mysqlnd_packet_cached_sha2_result *packet);
 
 typedef enum_func_status (*func_mysqlnd_protocol_payload_decoder_factory__send_command)(
 MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * payload_decoder_factory,
 const enum php_mysqlnd_server_command command,
 const zend_uchar * const arg, const size_t arg_len,
 const zend_bool silent,
 
 MYSQLND_CONNECTION_STATE * connection_state,
 MYSQLND_ERROR_INFO    * error_info,
 MYSQLND_UPSERT_STATUS * upsert_status,
 MYSQLND_STATS * stats,
 func_mysqlnd_conn_data__send_close send_close,
 void * send_close_ctx);
 
 typedef enum_func_status (*func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_OK)(
 MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const payload_decoder_factory,
 MYSQLND_ERROR_INFO * const error_info,
 MYSQLND_UPSERT_STATUS * const upsert_status,
 const zend_bool ignore_upsert_status,  /* actually used only by LOAD DATA. COM_QUERY and COM_EXECUTE handle the responses themselves */
 MYSQLND_STRING * const last_message);
 
 typedef enum_func_status (*func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_EOF)(
 MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * const payload_decoder_factory,
 MYSQLND_ERROR_INFO * const error_info,
 MYSQLND_UPSERT_STATUS * const upsert_status);
 
 typedef enum_func_status (*func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_response)(
 MYSQLND_PROTOCOL_PAYLOAD_DECODER_FACTORY * payload_decoder_factory,
 const enum mysqlnd_packet_type ok_packet,
 const zend_bool silent,
 const enum php_mysqlnd_server_command command,
 const zend_bool ignore_upsert_status, /* actually used only by LOAD DATA. COM_QUERY and COM_EXECUTE handle the responses themselves */
 
 MYSQLND_ERROR_INFO    * error_info,
 MYSQLND_UPSERT_STATUS * upsert_status,
 MYSQLND_STRING * last_message);
 
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_protocol_payload_decoder_factory)
 {
 func_mysqlnd_protocol_payload_decoder_factory__init_greet_packet init_greet_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_auth_packet init_auth_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_auth_response_packet init_auth_response_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_change_auth_response_packet init_change_auth_response_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_ok_packet init_ok_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_command_packet init_command_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_eof_packet init_eof_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_rset_header_packet init_rset_header_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_result_field_packet init_result_field_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_row_packet init_row_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_stats_packet init_stats_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_prepare_response_packet init_prepare_response_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_change_user_response_packet init_change_user_response_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_sha256_pk_request_packet init_sha256_pk_request_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_sha256_pk_request_response_packet init_sha256_pk_request_response_packet;
 func_mysqlnd_protocol_payload_decoder_factory__init_cached_sha2_result_packet init_cached_sha2_result_packet;
 
 func_mysqlnd_protocol_payload_decoder_factory__send_command send_command;
 func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_response send_command_handle_response;
 func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_OK send_command_handle_OK;
 func_mysqlnd_protocol_payload_decoder_factory__send_command_handle_EOF send_command_handle_EOF;
 };
 
 struct st_mysqlnd_protocol_payload_decoder_factory
 {
 MYSQLND_CONN_DATA * conn;
 zend_bool persistent;
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_protocol_payload_decoder_factory) m;
 };
 
 
 typedef struct st_mysqlnd_read_buffer {
 zend_uchar     * data;
 size_t         offset;
 size_t         size;
 size_t        len;
 zend_bool    (*is_empty)(const struct st_mysqlnd_read_buffer *);
 void        (*read)(struct st_mysqlnd_read_buffer *, size_t count, zend_uchar * dest);
 size_t        (*bytes_left)(const struct st_mysqlnd_read_buffer *);
 void        (*free_buffer)(struct st_mysqlnd_read_buffer **);
 } MYSQLND_READ_BUFFER;
 
 
 
 typedef enum_func_status    (*func_mysqlnd_pfc__init)(MYSQLND_PFC * const pfc, MYSQLND_STATS * const stats, MYSQLND_ERROR_INFO * const error_info);
 typedef void                (*func_mysqlnd_pfc__dtor)(MYSQLND_PFC * const pfc, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 typedef enum_func_status    (*func_mysqlnd_pfc__reset)(MYSQLND_PFC * const pfc, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 typedef enum_func_status    (*func_mysqlnd_pfc__set_client_option)(MYSQLND_PFC * const pfc, enum_mysqlnd_client_option option, const char * const value);
 typedef enum_func_status    (*func_mysqlnd_pfc__decode)(zend_uchar * uncompressed_data, const size_t uncompressed_data_len, const zend_uchar * const compressed_data, const size_t compressed_data_len);
 typedef enum_func_status    (*func_mysqlnd_pfc__encode)(zend_uchar * compress_buffer, size_t * compress_buffer_len, const zend_uchar * const uncompressed_data, const size_t uncompressed_data_len);
 typedef size_t                (*func_mysqlnd_pfc__send)(MYSQLND_PFC * const pfc, MYSQLND_VIO * const vio, zend_uchar * const buffer, const size_t count, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 typedef enum_func_status    (*func_mysqlnd_pfc__receive)(MYSQLND_PFC * const pfc, MYSQLND_VIO * const vio, zend_uchar * const buffer, const size_t count, MYSQLND_STATS * const conn_stats, MYSQLND_ERROR_INFO * const error_info);
 typedef enum_func_status    (*func_mysqlnd_pfc__read_compressed_packet_from_stream_and_fill_read_buffer)(MYSQLND_PFC * pfc, MYSQLND_VIO * const vio, size_t net_payload_size, MYSQLND_STATS * conn_stats, MYSQLND_ERROR_INFO * error_info);
 typedef void                (*func_mysqlnd_pfc__free_contents)(MYSQLND_PFC * pfc);
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_protocol_packet_frame_codec)
 {
 func_mysqlnd_pfc__init init;
 func_mysqlnd_pfc__dtor dtor;
 func_mysqlnd_pfc__reset reset;
 func_mysqlnd_pfc__set_client_option set_client_option;
 
 func_mysqlnd_pfc__decode decode;
 func_mysqlnd_pfc__encode encode;
 
 func_mysqlnd_pfc__send send;
 func_mysqlnd_pfc__receive receive;
 
 func_mysqlnd_pfc__read_compressed_packet_from_stream_and_fill_read_buffer read_compressed_packet_from_stream_and_fill_read_buffer;
 
 func_mysqlnd_pfc__free_contents free_contents;
 };
 
 
 struct st_mysqlnd_protocol_frame_codec_data
 {
 php_stream        *stream;
 zend_bool        compressed;
 zend_bool        ssl;
 uint64_t        flags;
 char *            sha256_server_public_key;
 
 #ifdef MYSQLND_COMPRESSION_ENABLED
 MYSQLND_READ_BUFFER    * uncompressed_data;
 #else
 void *                 unused_pad1;
 #endif
 
 /* sequence for simple checking of correct packets */
 zend_uchar        packet_no;
 zend_uchar        compressed_envelope_packet_no;
 
 zend_bool        persistent;
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_protocol_packet_frame_codec) m;
 };
 
 
 struct st_mysqlnd_protocol_frame_codec
 {
 MYSQLND_CMD_BUFFER    cmd_buffer;
 
 struct st_mysqlnd_protocol_frame_codec_data * data;
 
 zend_bool         persistent;
 };
 
 
 struct st_mysqlnd_result_metadata
 {
 MYSQLND_FIELD                    *fields;
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_res_meta) * m;
 
 unsigned int                    current_field;
 unsigned int                    field_count;
 };
 
 
 #define def_mysqlnd_buffered_result_parent             \
 MYSQLND_ROW_BUFFER    *row_buffers;                \
 uint64_t            row_count;                    \
 uint64_t            initialized_rows;            \
 \
 /*  Column lengths of current row - both buffered and unbuffered. For buffered results it duplicates the data found in **data */ \
 size_t                *lengths;                    \
 \
 MYSQLND_MEMORY_POOL    *result_set_memory_pool;    \
 \
 unsigned int        references;                    \
 \
 MYSQLND_ERROR_INFO    error_info;                    \
 \
 unsigned int        field_count;                \
 zend_bool            ps;                            \
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_result_buffered) m;    \
 enum mysqlnd_buffered_type type;                \
 void                * unused1;                    \
 void                * unused2;                    \
 void                * unused3
 
 
 struct st_mysqlnd_buffered_result_parent
 {
 def_mysqlnd_buffered_result_parent;
 };
 
 
 struct st_mysqlnd_buffered_result_zval
 {
 def_mysqlnd_buffered_result_parent;
 
 zval    *data;
 zval    *data_cursor;
 };
 
 
 struct st_mysqlnd_buffered_result_c
 {
 def_mysqlnd_buffered_result_parent;
 
 zend_uchar    *initialized; /* every row is a single bit */
 uint64_t    current_row;
 };
 
 
 struct st_mysqlnd_unbuffered_result
 {
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_result_unbuffered) m;
 uint64_t            row_count;
 
 /* For unbuffered (both normal and PS) */
 zval                *last_row_data;
 MYSQLND_ROW_BUFFER     last_row_buffer;
 
 /*
 Column lengths of current row - both buffered and unbuffered.
 For buffered results it duplicates the data found in **data
 */
 size_t                *lengths;
 
 MYSQLND_MEMORY_POOL    *result_set_memory_pool;
 
 struct st_mysqlnd_packet_row *row_packet;
 
 unsigned int        field_count;
 
 zend_bool            eof_reached;
 
 zend_bool            ps;
 };
 
 
 struct st_mysqlnd_res
 {
 MYSQLND_CONN_DATA        *conn;
 enum_mysqlnd_res_type    type;
 unsigned int            field_count;
 
 /* For metadata functions */
 MYSQLND_RES_METADATA    *meta;
 
 /* To be used with store_result() - both normal and PS */
 MYSQLND_RES_BUFFERED    *stored_data;
 MYSQLND_RES_UNBUFFERED    *unbuf;
 
 MYSQLND_MEMORY_POOL        *memory_pool;
 
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_res) m;
 };
 
 
 struct st_mysqlnd_param_bind
 {
 zval        zv;
 zend_uchar    type;
 enum_param_bind_flags    flags;
 };
 
 struct st_mysqlnd_result_bind
 {
 zval        zv;
 zend_bool    bound;
 };
 
 
 struct st_mysqlnd_stmt_data
 {
 MYSQLND_CONN_DATA            *conn;
 zend_ulong                    stmt_id;
 zend_ulong                    flags;/* cursor is set here */
 enum_mysqlnd_stmt_state        state;
 MYSQLND_RES                    *result;
 unsigned int                field_count;
 unsigned int                param_count;
 unsigned char                send_types_to_server;
 MYSQLND_PARAM_BIND            *param_bind;
 MYSQLND_RESULT_BIND            *result_bind;
 
 MYSQLND_UPSERT_STATUS *     upsert_status;
 MYSQLND_UPSERT_STATUS         upsert_status_impl;
 
 MYSQLND_ERROR_INFO *        error_info;
 MYSQLND_ERROR_INFO            error_info_impl;
 
 zend_bool                    update_max_length;
 zend_ulong                    prefetch_rows;
 
 zend_bool                    cursor_exists;
 mysqlnd_stmt_use_or_store_func default_rset_handler;
 
 zval                        execute_read_cb;
 zval                        execute_err_cb;
 zend_bool                    in_execute_read_cb;
 zend_bool                    in_execute_err_cb;
 
 MYSQLND_CMD_BUFFER            execute_cmd_buffer;
 unsigned int                execute_count;/* count how many times the stmt was executed */
 };
 
 
 struct st_mysqlnd_stmt
 {
 MYSQLND_STMT_DATA * data;
 MYSQLND_CLASS_METHODS_TYPE(mysqlnd_stmt) * m;
 };
 
 
 struct st_mysqlnd_plugin_header
 {
 unsigned int    plugin_api_version;
 const char *    plugin_name;
 zend_ulong    plugin_version;
 const char *    plugin_string_version;
 const char *    plugin_license;
 const char *    plugin_author;
 struct
 {
 MYSQLND_STATS *            values;
 const MYSQLND_STRING *    names;
 } plugin_stats;
 
 struct
 {
 enum_func_status (*plugin_shutdown)(void * plugin);
 } m;
 };
 
 
 struct st_mysqlnd_plugin_core
 {
 struct st_mysqlnd_plugin_header plugin_header;
 };
 
 
 struct st_mysqlnd_typeii_plugin_example
 {
 struct st_mysqlnd_plugin_header plugin_header;
 void * methods;
 unsigned int counter;
 };
 
 struct st_mysqlnd_authentication_plugin;
 
 typedef zend_uchar * (*func_auth_plugin__get_auth_data)(struct st_mysqlnd_authentication_plugin * self,
 size_t * auth_data_len,
 MYSQLND_CONN_DATA * conn, const char * const user, const char * const passwd,
 const size_t passwd_len, zend_uchar * auth_plugin_data, size_t auth_plugin_data_len,
 const MYSQLND_SESSION_OPTIONS * const session_options,
 const MYSQLND_PFC_DATA * const pfc_data, const zend_ulong mysql_flags
 );
 
 typedef enum_func_status (*func_auth_plugin__handle_server_response)(struct st_mysqlnd_authentication_plugin * self,
 MYSQLND_CONN_DATA * conn,
 const zend_uchar * auth_plugin_data, size_t auth_plugin_data_len,
 const char * const passwd,
 const size_t passwd_len,
 char **new_auth_protocol, size_t *new_auth_protocol_len,
 zend_uchar **new_auth_protocol_data, size_t *new_auth_protocol_data_len
 );
 
 struct st_mysqlnd_authentication_plugin
 {
 struct st_mysqlnd_plugin_header plugin_header;
 struct {
 func_auth_plugin__get_auth_data get_auth_data;
 func_auth_plugin__handle_server_response handle_server_response;
 } methods;
 };
 
 #endif /* MYSQLND_STRUCTS_H */
 
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