mysqlnd.h

linux下安装不上mysql5与php5的可用此关联

typedef struct st_mysqlnd_cmd_buffer {
	zend_uchar		*buffer;
	size_t			length;
} MYSQLND_CMD_BUFFER;


typedef struct st_mysqlnd_field {
	char *name;					/* Name of column */
	char *org_name;				/* Original column name, if an alias */
	char *table;				/* Table of column if column was a field */
	char *org_table;			/* Org table name, if table was an alias */
	char *db;					/* Database for table */
	char *catalog;				/* Catalog for table */
	char *def;					/* Default value (set by mysql_list_fields) */
	unsigned long length;		/* Width of column (create length) */
	unsigned long 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_result {
	unsigned int		warning_count;
	unsigned int		server_status;
	unsigned long long	affected_rows;
	unsigned long long	last_insert_id;
} mysqlnd_upsert_status;


typedef struct st_mysqlnd_error_info {
	char error[MYSQLND_ERRMSG_SIZE+1];
	char sqlstate[MYSQLND_SQLSTATE_LENGTH + 1];
	unsigned int error_no;
} mysqlnd_error_info;


typedef struct st_mysqlnd_zval_pcache	MYSQLND_ZVAL_PCACHE;
typedef struct st_mysqlnd_qcache		MYSQLND_QCACHE;


typedef struct st_mysqlnd_infile_info {
	php_stream			*fd;
	int					error_no;
	char				error_msg[MYSQLND_ERRMSG_SIZE + 1];
	const char			*filename;
	zval				*callback;
} MYSQLND_INFILE_INFO;


/* character set information */
typedef struct st_mysqlnd_charset
{
	uint	nr;
	char	*name;
	char	*collation;
	uint	char_minlen;
	uint	char_maxlen;
	uint	dangerous_for_escape_backslash;
	uint 	(*mb_charlen)(uint c);
	uint 	(*mb_valid)(const char *start, const char *end);
} MYSQLND_CHARSET;


/* local infile handler */
typedef struct st_mysqlnd_infile
{
	int		(*local_infile_init)(void **ptr, char *filename, void **userdata TSRMLS_DC);
	int		(*local_infile_read)(void *ptr, char *buf, uint buf_len TSRMLS_DC);
	int		(*local_infile_error)(void *ptr, char *error_msg, uint error_msg_len TSRMLS_DC);
	void	(*local_infile_end)(void *ptr TSRMLS_DC);
	zval	*callback;
	void	*userdata;
} MYSQLND_INFILE;

typedef struct st_mysqlnd_option {
	/* timeouts */
	uint		timeout_connect;
	uint		timeout_read;
	uint		timeout_write;

	ulong		flags;

	/* init commands - we need to send them to server directly after connect */
	uint		num_commands;
	char		**init_commands;

	/* configuration file information */
	char 		*cfg_file;
	char		*cfg_section;

	/* SSL information */
	char		*ssl_key;
	char		*ssl_cert;
	char		*ssl_ca;
	char		*ssl_capath;
	char		*ssl_cipher;
	zend_bool	use_ssl;

	/* maximum allowed packet size for communication */
	ulong	max_allowed_packet;

	zend_bool	numeric_and_datetime_as_unicode;
#ifdef MYSQLND_STRING_TO_INT_CONVERSION
	zend_bool	int_and_year_as_int;
#endif
} MYSQLND_OPTION;


typedef struct st_mysqlnd_connection MYSQLND;
typedef struct st_mysqlnd_res	MYSQLND_RES;
typedef char** 					MYSQLND_ROW;		/* return data as array of strings */
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 MYSQLND_RES_BUFFERED;
typedef struct st_mysqlnd_unbuffered_result MYSQLND_RES_UNBUFFERED;


typedef MYSQLND_RES* (*mysqlnd_stmt_use_or_store_func)(MYSQLND_STMT * const TSRMLS_DC);
typedef enum_func_status  (*mysqlnd_fetch_row_func)(MYSQLND_RES *result,
													void *param,
													unsigned int flags,
													zend_bool *fetched_anything
													TSRMLS_DC);

typedef struct st_mysqlnd_stats {
	my_uint64	values[STAT_LAST];
#ifdef ZTS
	MUTEX_T		LOCK_access;
#endif
} MYSQLND_STATS;


typedef struct st_mysqlnd_net {
	php_stream		*stream;
	/* sequence for simple checking of correct packets */
	zend_uchar		packet_no;

#ifdef MYSQLND_DO_WIRE_CHECK_BEFORE_COMMAND
	zend_uchar		last_command;
#endif

	/* cmd buffer */
	MYSQLND_CMD_BUFFER	cmd_buffer;
} MYSQLND_NET;


struct st_mysqlnd_connection_methods {
	ulong				(*escape_string)(const MYSQLND * const conn, char *newstr, const char *escapestr, int escapestr_len);
	enum_func_status	(*set_charset)(MYSQLND * const conn, const char * const charset TSRMLS_DC);
	enum_func_status	(*query)(MYSQLND *conn, const char *query, unsigned int query_len TSRMLS_DC);
	MYSQLND_RES *		(*use_result)(MYSQLND * const conn TSRMLS_DC);
	MYSQLND_RES *		(*store_result)(MYSQLND * const conn TSRMLS_DC);
	enum_func_status	(*next_result)(MYSQLND * const conn TSRMLS_DC);
	zend_bool			(*more_results)(const MYSQLND * const conn);

	MYSQLND_STMT *		(*stmt_init)(MYSQLND * const conn);

	enum_func_status	(*shutdown_server)(MYSQLND * const conn, unsigned long level TSRMLS_DC);
	enum_func_status	(*refresh_server)(MYSQLND * const conn, unsigned long options TSRMLS_DC);

	enum_func_status	(*ping)(MYSQLND * const conn TSRMLS_DC);
	enum_func_status	(*kill_connection)(MYSQLND *conn, unsigned long pid TSRMLS_DC);
	enum_func_status	(*select_db)(MYSQLND * const conn, const char * const db, unsigned int db_len TSRMLS_DC);
	enum_func_status	(*server_dump_debug_information)(MYSQLND * const conn TSRMLS_DC);
	enum_func_status	(*change_user)(MYSQLND * const conn, const char * user, const char * passwd, const char * db TSRMLS_DC);

	unsigned int		(*get_error_no)(const MYSQLND * const conn);
	const char *		(*get_error_str)(const MYSQLND * const conn);
	const char *		(*get_sqlstate)(const MYSQLND * const conn);
	mynd_ulonglong		(*get_thread_id)(const MYSQLND * const conn);
	void				(*get_statistics)(const MYSQLND * const conn, zval *return_value TSRMLS_DC ZEND_FILE_LINE_DC);

	unsigned long		(*get_server_version)(const MYSQLND * const conn);
	const char *		(*get_server_information)(const MYSQLND * const conn);
	enum_func_status	(*get_server_statistics)(MYSQLND *conn, char **message, unsigned int * message_len TSRMLS_DC);
	const char *		(*get_host_information)(const MYSQLND * const conn);
	unsigned int		(*get_protocol_information)(const MYSQLND * const conn);
	const char *		(*get_last_message)(const MYSQLND * const conn);

	mynd_ulonglong		(*get_last_insert_id)(const MYSQLND * const conn);
	mynd_ulonglong		(*get_affected_rows)(const MYSQLND * const conn);
	unsigned int		(*get_warning_count)(const MYSQLND * const conn);

	unsigned int		(*get_field_count)(const MYSQLND * const conn);

	enum_func_status	(*set_server_option)(MYSQLND * const conn, enum_mysqlnd_server_option option TSRMLS_DC);
	enum_func_status	(*set_client_option)(MYSQLND * const conn, enum_mysqlnd_option option, const char * const value);
	void				(*free_contents)(MYSQLND *conn TSRMLS_DC);	/* private */
	enum_func_status	(*close)(MYSQLND *conn, enum_connection_close_type close_type TSRMLS_DC);
	void				(*dtor)(MYSQLND *conn TSRMLS_DC);	/* private */

	MYSQLND *			(*get_reference)(MYSQLND * const conn);
	void				(*free_reference)(MYSQLND * const conn TSRMLS_DC);
};


struct st_mysqlnd_res_methods {
	mysqlnd_fetch_row_func	fetch_row;
	mysqlnd_fetch_row_func	fetch_row_normal_buffered; /* private */
	mysqlnd_fetch_row_func	fetch_row_normal_unbuffered; /* private */
	void 				(*fetch_into)(MYSQLND_RES *result, unsigned int flags, zval *return_value TSRMLS_DC ZEND_FILE_LINE_DC);
	void 				(*fetch_all)(MYSQLND_RES *result, unsigned int flags, zval *return_value TSRMLS_DC ZEND_FILE_LINE_DC);
	mynd_ulonglong		(*num_rows)(const MYSQLND_RES * const result);
	unsigned int		(*num_fields)(const MYSQLND_RES * const result);
	enum_func_status	(*skip_result)(MYSQLND_RES * const result TSRMLS_DC);
	enum_func_status	(*seek_data)(MYSQLND_RES * result, mynd_ulonglong row);
	MYSQLND_FIELD_OFFSET (*seek_field)(MYSQLND_RES * const result, MYSQLND_FIELD_OFFSET field_offset);
	MYSQLND_FIELD_OFFSET (*field_tell)(const MYSQLND_RES * const result);
	MYSQLND_FIELD *		(*fetch_field)(MYSQLND_RES * const result);
	MYSQLND_FIELD *		(*fetch_field_direct)(const MYSQLND_RES * const result, MYSQLND_FIELD_OFFSET fieldnr);

	unsigned long *	(*fetch_lengths)(MYSQLND_RES * const result);
	void				(*free_result_buffers)(MYSQLND_RES * result TSRMLS_DC);	/* private */
	enum_func_status	(*free_result)(MYSQLND_RES * result, zend_bool implicit TSRMLS_DC);

	MYSQLND_RES_METADATA * (*clone_metadata)(const MYSQLND_RES_METADATA * const meta, zend_bool persistent);/* private */
};


struct st_mysqlnd_stmt_methods {
	enum_func_status	(*prepare)(MYSQLND_STMT * const stmt, const char * const query, unsigned int query_len TSRMLS_DC);
	enum_func_status	(*execute)(MYSQLND_STMT * const stmt TSRMLS_DC);
	MYSQLND_RES *		(*store_result)(MYSQLND_STMT * const stmt TSRMLS_DC);
	enum_func_status	(*free_result)(MYSQLND_STMT * const stmt TSRMLS_DC);
	enum_func_status	(*seek_data)(const MYSQLND_STMT * const stmt, mynd_ulonglong row);
	enum_func_status	(*reset)(MYSQLND_STMT * const stmt TSRMLS_DC);
	enum_func_status	(*close)(MYSQLND_STMT * const stmt, zend_bool implicit TSRMLS_DC); /* private */
	enum_func_status	(*dtor)(MYSQLND_STMT * const stmt, zend_bool implicit TSRMLS_DC); /* use this for mysqlnd_stmt_close */


	enum_func_status	(*bind_param)(MYSQLND_STMT * const stmt, MYSQLND_PARAM_BIND * const param_bind);
	enum_func_status	(*bind_result)(MYSQLND_STMT * const stmt, MYSQLND_RESULT_BIND * const result_bind);
	enum_func_status	(*send_long_data)(MYSQLND_STMT * const stmt, unsigned int param_num,
										  const char * const data, unsigned long length TSRMLS_DC);
	MYSQLND_RES	*		(*get_parameter_metadata)(MYSQLND_STMT * const stmt);
	MYSQLND_RES	*		(*get_result_metadata)(MYSQLND_STMT * const stmt);

	mynd_ulonglong		(*get_last_insert_id)(const MYSQLND_STMT * const stmt);
	mynd_ulonglong		(*get_affected_rows)(const MYSQLND_STMT * const stmt);
	mynd_ulonglong		(*get_num_rows)(const MYSQLND_STMT * const stmt);

	unsigned int		(*get_param_count)(const MYSQLND_STMT * const stmt);
	unsigned int		(*get_field_count)(const MYSQLND_STMT * const stmt);
	unsigned int		(*get_warning_count)(const MYSQLND_STMT * const stmt);

	unsigned int		(*get_error_no)(const MYSQLND_STMT * const stmt);
	const char *		(*get_error_str)(const MYSQLND_STMT * const stmt);
	const char *		(*get_sqlstate)(const MYSQLND_STMT * const stmt);

	enum_func_status	(*get_attribute)(MYSQLND_STMT * const stmt, enum mysqlnd_stmt_attr attr_type, void * const value);
	enum_func_status	(*set_attribute)(MYSQLND_STMT * const stmt, enum mysqlnd_stmt_attr attr_type, const void * const value);
};


struct st_mysqlnd_connection {
/* Operation related */
	MYSQLND_NET		net;

/* Information related */
	char			*host;
	char			*unix_socket;
	char			*user;
	char			*passwd;
	unsigned int	*passwd_len;
	char			*scheme;
	unsigned long long	thread_id;
	char			*server_version;
	char			*host_info;
	unsigned char	*scramble;
	const MYSQLND_CHARSET *charset;
	MYSQLND_INFILE	infile;
	unsigned int	protocol_version;
	unsigned long	max_packet_size;
	unsigned int	port;
	unsigned long	client_flag;
	unsigned long	server_capabilities;

	int				tmp_int;


	/* For UPSERT queries */
	mysqlnd_upsert_status upsert_status;
	char			*last_message;
	unsigned int	last_message_len;

	/* If error packet, we use these */
	mysqlnd_error_info	error_info;

	/*
	  To prevent queries during unbuffered fetches. Also to
	  mark the connection as destroyed for garbage collection.
	*/
	enum 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;
	
	/* persistent connection */
	zend_bool		persistent;

	/* options */
	MYSQLND_OPTION	options;

	/* zval cache */
	MYSQLND_ZVAL_PCACHE	*zval_cache;

	/* qcache */
	MYSQLND_QCACHE		*qcache;

	/* stats */
	MYSQLND_STATS	stats;

	struct st_mysqlnd_connection_methods *m;
};

typedef struct st_php_mysql_packet_row php_mysql_packet_row;


struct mysqlnd_field_hash_key {
	zend_bool		is_numeric;
	unsigned long	key;
#if PHP_MAJOR_VERSION >= 6
	zstr			ustr;
	unsigned int	ulen;
#endif	
};