mysql.h
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上传日期:2009-12-07
资源大小:5877k
文件大小:15k
源码类别:
模拟服务器
开发平台:
Visual C++
- /* Copyright (C) 2000-2003 MySQL AB
- 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; either version 2 of the License, or
- (at your option) any later version.
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef _mysql_h
- #define _mysql_h
- #ifdef __CYGWIN__ /* CYGWIN implements a UNIX API */
- #undef WIN
- #undef _WIN
- #undef _WIN32
- #undef _WIN64
- #undef __WIN__
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- #ifndef _global_h /* If not standard header */
- #include <sys/types.h>
- #ifdef __LCC__
- #include <winsock.h> /* For windows */
- #endif
- typedef char my_bool;
- #if (defined(_WIN32) || defined(_WIN64)) && !defined(__WIN__)
- #define __WIN__
- #endif
- #if !defined(__WIN__)
- #define STDCALL
- #else
- #define STDCALL __stdcall
- #endif
- typedef char * gptr;
- #ifndef my_socket_defined
- #ifdef __WIN__
- #define my_socket SOCKET
- #else
- typedef int my_socket;
- #endif /* __WIN__ */
- #endif /* my_socket_defined */
- #endif /* _global_h */
- #include "mysql_com.h"
- #include "mysql_version.h"
- extern unsigned int mysql_port;
- extern char *mysql_unix_port;
- #define CLIENT_NET_READ_TIMEOUT 365*24*3600 /* Timeout on read */
- #define CLIENT_NET_WRITE_TIMEOUT 365*24*3600 /* Timeout on write */
- #ifdef __NETWARE__
- #pragma pack(push, 8) /* 8 byte alignment */
- #endif
- #define IS_PRI_KEY(n) ((n) & PRI_KEY_FLAG)
- #define IS_NOT_NULL(n) ((n) & NOT_NULL_FLAG)
- #define IS_BLOB(n) ((n) & BLOB_FLAG)
- #define IS_NUM(t) ((t) <= FIELD_TYPE_INT24 || (t) == FIELD_TYPE_YEAR)
- #define IS_NUM_FIELD(f) ((f)->flags & NUM_FLAG)
- #define INTERNAL_NUM_FIELD(f) (((f)->type <= FIELD_TYPE_INT24 && ((f)->type != FIELD_TYPE_TIMESTAMP || (f)->length == 14 || (f)->length == 8)) || (f)->type == FIELD_TYPE_YEAR)
- typedef struct st_mysql_field {
- char *name; /* Name of column */
- 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 *def; /* Default value (set by mysql_list_fields) */
- unsigned long length; /* Width of column */
- unsigned long max_length; /* Max width of selected set */
- unsigned int flags; /* Div flags */
- unsigned int decimals; /* Number of decimals in field */
- enum enum_field_types type; /* Type of field. Se mysql_com.h for types */
- } MYSQL_FIELD;
- typedef char **MYSQL_ROW; /* return data as array of strings */
- typedef unsigned int MYSQL_FIELD_OFFSET; /* offset to current field */
- #if defined(NO_CLIENT_LONG_LONG)
- typedef unsigned long my_ulonglong;
- #elif defined (__WIN__)
- typedef unsigned __int64 my_ulonglong;
- #else
- typedef unsigned long long my_ulonglong;
- #endif
- #define MYSQL_COUNT_ERROR (~(my_ulonglong) 0)
- typedef struct st_mysql_rows {
- struct st_mysql_rows *next; /* list of rows */
- MYSQL_ROW data;
- } MYSQL_ROWS;
- typedef MYSQL_ROWS *MYSQL_ROW_OFFSET; /* offset to current row */
- #include "my_alloc.h"
- typedef struct st_mysql_data {
- my_ulonglong rows;
- unsigned int fields;
- MYSQL_ROWS *data;
- MEM_ROOT alloc;
- } MYSQL_DATA;
- struct st_mysql_options {
- unsigned int connect_timeout,client_flag;
- unsigned int port;
- char *host,*init_command,*user,*password,*unix_socket,*db;
- char *my_cnf_file,*my_cnf_group, *charset_dir, *charset_name;
- char *ssl_key; /* PEM key file */
- char *ssl_cert; /* PEM cert file */
- char *ssl_ca; /* PEM CA file */
- char *ssl_capath; /* PEM directory of CA-s? */
- char *ssl_cipher; /* cipher to use */
- unsigned long max_allowed_packet;
- my_bool use_ssl; /* if to use SSL or not */
- my_bool compress,named_pipe;
- /*
- On connect, find out the replication role of the server, and
- establish connections to all the peers
- */
- my_bool rpl_probe;
- /*
- Each call to mysql_real_query() will parse it to tell if it is a read
- or a write, and direct it to the slave or the master
- */
- my_bool rpl_parse;
- /*
- If set, never read from a master,only from slave, when doing
- a read that is replication-aware
- */
- my_bool no_master_reads;
- };
- enum mysql_option { MYSQL_OPT_CONNECT_TIMEOUT, MYSQL_OPT_COMPRESS,
- MYSQL_OPT_NAMED_PIPE, MYSQL_INIT_COMMAND,
- MYSQL_READ_DEFAULT_FILE, MYSQL_READ_DEFAULT_GROUP,
- MYSQL_SET_CHARSET_DIR, MYSQL_SET_CHARSET_NAME,
- MYSQL_OPT_LOCAL_INFILE};
- enum mysql_status { MYSQL_STATUS_READY,MYSQL_STATUS_GET_RESULT,
- MYSQL_STATUS_USE_RESULT};
- /*
- There are three types of queries - the ones that have to go to
- the master, the ones that go to a slave, and the adminstrative
- type which must happen on the pivot connectioin
- */
- enum mysql_rpl_type { MYSQL_RPL_MASTER, MYSQL_RPL_SLAVE,
- MYSQL_RPL_ADMIN };
- typedef struct st_mysql {
- NET net; /* Communication parameters */
- gptr connector_fd; /* ConnectorFd for SSL */
- char *host,*user,*passwd,*unix_socket,*server_version,*host_info,
- *info,*db;
- struct charset_info_st *charset;
- MYSQL_FIELD *fields;
- MEM_ROOT field_alloc;
- my_ulonglong affected_rows;
- my_ulonglong insert_id; /* id if insert on table with NEXTNR */
- my_ulonglong extra_info; /* Used by mysqlshow */
- unsigned long thread_id; /* Id for connection in server */
- unsigned long packet_length;
- unsigned int port,client_flag,server_capabilities;
- unsigned int protocol_version;
- unsigned int field_count;
- unsigned int server_status;
- unsigned int server_language;
- struct st_mysql_options options;
- enum mysql_status status;
- my_bool free_me; /* If free in mysql_close */
- my_bool reconnect; /* set to 1 if automatic reconnect */
- char scramble_buff[9];
- /*
- Set if this is the original connection, not a master or a slave we have
- added though mysql_rpl_probe() or mysql_set_master()/ mysql_add_slave()
- */
- my_bool rpl_pivot;
- /*
- Pointers to the master, and the next slave connections, points to
- itself if lone connection.
- */
- struct st_mysql* master, *next_slave;
- struct st_mysql* last_used_slave; /* needed for round-robin slave pick */
- /* needed for send/read/store/use result to work correctly with replication */
- struct st_mysql* last_used_con;
- } MYSQL;
- typedef struct st_mysql_res {
- my_ulonglong row_count;
- MYSQL_FIELD *fields;
- MYSQL_DATA *data;
- MYSQL_ROWS *data_cursor;
- unsigned long *lengths; /* column lengths of current row */
- MYSQL *handle; /* for unbuffered reads */
- MEM_ROOT field_alloc;
- unsigned int field_count, current_field;
- MYSQL_ROW row; /* If unbuffered read */
- MYSQL_ROW current_row; /* buffer to current row */
- my_bool eof; /* Used by mysql_fetch_row */
- } MYSQL_RES;
- #define MAX_MYSQL_MANAGER_ERR 256
- #define MAX_MYSQL_MANAGER_MSG 256
- #define MANAGER_OK 200
- #define MANAGER_INFO 250
- #define MANAGER_ACCESS 401
- #define MANAGER_CLIENT_ERR 450
- #define MANAGER_INTERNAL_ERR 500
- typedef struct st_mysql_manager
- {
- NET net;
- char *host,*user,*passwd;
- unsigned int port;
- my_bool free_me;
- my_bool eof;
- int cmd_status;
- int last_errno;
- char* net_buf,*net_buf_pos,*net_data_end;
- int net_buf_size;
- char last_error[MAX_MYSQL_MANAGER_ERR];
- } MYSQL_MANAGER;
- /*
- Set up and bring down the server; to ensure that applications will
- work when linked against either the standard client library or the
- embedded server library, these functions should be called.
- */
- int STDCALL mysql_server_init(int argc, char **argv, char **groups);
- void STDCALL mysql_server_end(void);
- /*
- Set up and bring down a thread; these function should be called
- for each thread in an application which opens at least one MySQL
- connection. All uses of the connection(s) should be between these
- function calls.
- */
- my_bool STDCALL mysql_thread_init(void);
- void STDCALL mysql_thread_end(void);
- /*
- Functions to get information from the MYSQL and MYSQL_RES structures
- Should definitely be used if one uses shared libraries.
- */
- my_ulonglong STDCALL mysql_num_rows(MYSQL_RES *res);
- unsigned int STDCALL mysql_num_fields(MYSQL_RES *res);
- my_bool STDCALL mysql_eof(MYSQL_RES *res);
- MYSQL_FIELD *STDCALL mysql_fetch_field_direct(MYSQL_RES *res,
- unsigned int fieldnr);
- MYSQL_FIELD * STDCALL mysql_fetch_fields(MYSQL_RES *res);
- MYSQL_ROW_OFFSET STDCALL mysql_row_tell(MYSQL_RES *res);
- MYSQL_FIELD_OFFSET STDCALL mysql_field_tell(MYSQL_RES *res);
- unsigned int STDCALL mysql_field_count(MYSQL *mysql);
- my_ulonglong STDCALL mysql_affected_rows(MYSQL *mysql);
- my_ulonglong STDCALL mysql_insert_id(MYSQL *mysql);
- unsigned int STDCALL mysql_errno(MYSQL *mysql);
- const char * STDCALL mysql_error(MYSQL *mysql);
- const char * STDCALL mysql_info(MYSQL *mysql);
- unsigned long STDCALL mysql_thread_id(MYSQL *mysql);
- const char * STDCALL mysql_character_set_name(MYSQL *mysql);
- MYSQL * STDCALL mysql_init(MYSQL *mysql);
- int STDCALL mysql_ssl_set(MYSQL *mysql, const char *key,
- const char *cert, const char *ca,
- const char *capath, const char *cipher);
- my_bool STDCALL mysql_change_user(MYSQL *mysql, const char *user,
- const char *passwd, const char *db);
- MYSQL * STDCALL mysql_real_connect(MYSQL *mysql, const char *host,
- const char *user,
- const char *passwd,
- const char *db,
- unsigned int port,
- const char *unix_socket,
- unsigned int clientflag);
- void STDCALL mysql_close(MYSQL *sock);
- int STDCALL mysql_select_db(MYSQL *mysql, const char *db);
- int STDCALL mysql_query(MYSQL *mysql, const char *q);
- int STDCALL mysql_send_query(MYSQL *mysql, const char *q,
- unsigned long length);
- int STDCALL mysql_read_query_result(MYSQL *mysql);
- int STDCALL mysql_real_query(MYSQL *mysql, const char *q,
- unsigned long length);
- /* perform query on master */
- int STDCALL mysql_master_query(MYSQL *mysql, const char *q,
- unsigned long length);
- int STDCALL mysql_master_send_query(MYSQL *mysql, const char *q,
- unsigned long length);
- /* perform query on slave */
- int STDCALL mysql_slave_query(MYSQL *mysql, const char *q,
- unsigned long length);
- int STDCALL mysql_slave_send_query(MYSQL *mysql, const char *q,
- unsigned long length);
- /*
- enable/disable parsing of all queries to decide if they go on master or
- slave
- */
- void STDCALL mysql_enable_rpl_parse(MYSQL* mysql);
- void STDCALL mysql_disable_rpl_parse(MYSQL* mysql);
- /* get the value of the parse flag */
- int STDCALL mysql_rpl_parse_enabled(MYSQL* mysql);
- /* enable/disable reads from master */
- void STDCALL mysql_enable_reads_from_master(MYSQL* mysql);
- void STDCALL mysql_disable_reads_from_master(MYSQL* mysql);
- /* get the value of the master read flag */
- int STDCALL mysql_reads_from_master_enabled(MYSQL* mysql);
- enum mysql_rpl_type STDCALL mysql_rpl_query_type(const char* q, int len);
- /* discover the master and its slaves */
- int STDCALL mysql_rpl_probe(MYSQL* mysql);
- /* set the master, close/free the old one, if it is not a pivot */
- int STDCALL mysql_set_master(MYSQL* mysql, const char* host,
- unsigned int port,
- const char* user,
- const char* passwd);
- int STDCALL mysql_add_slave(MYSQL* mysql, const char* host,
- unsigned int port,
- const char* user,
- const char* passwd);
- int STDCALL mysql_shutdown(MYSQL *mysql);
- int STDCALL mysql_dump_debug_info(MYSQL *mysql);
- int STDCALL mysql_refresh(MYSQL *mysql,
- unsigned int refresh_options);
- int STDCALL mysql_kill(MYSQL *mysql,unsigned long pid);
- int STDCALL mysql_ping(MYSQL *mysql);
- const char * STDCALL mysql_stat(MYSQL *mysql);
- const char * STDCALL mysql_get_server_info(MYSQL *mysql);
- const char * STDCALL mysql_get_client_info(void);
- unsigned long STDCALL mysql_get_client_version(void);
- const char * STDCALL mysql_get_host_info(MYSQL *mysql);
- unsigned int STDCALL mysql_get_proto_info(MYSQL *mysql);
- MYSQL_RES * STDCALL mysql_list_dbs(MYSQL *mysql,const char *wild);
- MYSQL_RES * STDCALL mysql_list_tables(MYSQL *mysql,const char *wild);
- MYSQL_RES * STDCALL mysql_list_fields(MYSQL *mysql, const char *table,
- const char *wild);
- MYSQL_RES * STDCALL mysql_list_processes(MYSQL *mysql);
- MYSQL_RES * STDCALL mysql_store_result(MYSQL *mysql);
- MYSQL_RES * STDCALL mysql_use_result(MYSQL *mysql);
- int STDCALL mysql_options(MYSQL *mysql,enum mysql_option option,
- const char *arg);
- void STDCALL mysql_free_result(MYSQL_RES *result);
- void STDCALL mysql_data_seek(MYSQL_RES *result,
- my_ulonglong offset);
- MYSQL_ROW_OFFSET STDCALL mysql_row_seek(MYSQL_RES *result,
- MYSQL_ROW_OFFSET offset);
- MYSQL_FIELD_OFFSET STDCALL mysql_field_seek(MYSQL_RES *result,
- MYSQL_FIELD_OFFSET offset);
- MYSQL_ROW STDCALL mysql_fetch_row(MYSQL_RES *result);
- unsigned long * STDCALL mysql_fetch_lengths(MYSQL_RES *result);
- MYSQL_FIELD * STDCALL mysql_fetch_field(MYSQL_RES *result);
- unsigned long STDCALL mysql_escape_string(char *to,const char *from,
- unsigned long from_length);
- unsigned long STDCALL mysql_real_escape_string(MYSQL *mysql,
- char *to,const char *from,
- unsigned long length);
- void STDCALL mysql_debug(const char *debug);
- char * STDCALL mysql_odbc_escape_string(MYSQL *mysql,
- char *to,
- unsigned long to_length,
- const char *from,
- unsigned long from_length,
- void *param,
- char *
- (*extend_buffer)
- (void *, char *to,
- unsigned long *length));
- void STDCALL myodbc_remove_escape(MYSQL *mysql,char *name);
- unsigned int STDCALL mysql_thread_safe(void);
- MYSQL_MANAGER* STDCALL mysql_manager_init(MYSQL_MANAGER* con);
- MYSQL_MANAGER* STDCALL mysql_manager_connect(MYSQL_MANAGER* con,
- const char* host,
- const char* user,
- const char* passwd,
- unsigned int port);
- void STDCALL mysql_manager_close(MYSQL_MANAGER* con);
- int STDCALL mysql_manager_command(MYSQL_MANAGER* con,
- const char* cmd, int cmd_len);
- int STDCALL mysql_manager_fetch_line(MYSQL_MANAGER* con,
- char* res_buf,
- int res_buf_size);
- #define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT)
- #ifdef USE_OLD_FUNCTIONS
- MYSQL * STDCALL mysql_connect(MYSQL *mysql, const char *host,
- const char *user, const char *passwd);
- int STDCALL mysql_create_db(MYSQL *mysql, const char *DB);
- int STDCALL mysql_drop_db(MYSQL *mysql, const char *DB);
- #define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT)
- #endif
- #define HAVE_MYSQL_REAL_CONNECT
- /*
- The following functions are mainly exported because of mysqlbinlog;
- They are not for general usage
- */
- int simple_command(MYSQL *mysql,enum enum_server_command command,
- const char *arg, unsigned long length, my_bool skipp_check);
- unsigned long net_safe_read(MYSQL* mysql);
- int mysql_once_init(void);
- extern my_bool server_inited;
- #ifdef __NETWARE__
- #pragma pack(pop) /* restore alignment */
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif /* _mysql_h */