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/* Copyright (C) 2000 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 */
/*
** Common definition between mysql server & client
*/
#ifndef _mysql_com_h
#define _mysql_com_h
#define NAME_LEN 64 /* Field/table name length */
#define HOSTNAME_LENGTH 60
#define USERNAME_LENGTH 16
#define SERVER_VERSION_LENGTH 60
#define LOCAL_HOST "localhost"
#define LOCAL_HOST_NAMEDPIPE "."
#if defined(__WIN__) && !defined( _CUSTOMCONFIG_)
#define MYSQL_NAMEDPIPE "MySQL"
#define MYSQL_SERVICENAME "MySql"
#endif /* __WIN__ */
enum enum_server_command {COM_SLEEP,COM_QUIT,COM_INIT_DB,COM_QUERY,
COM_FIELD_LIST,COM_CREATE_DB,COM_DROP_DB,COM_REFRESH,
COM_SHUTDOWN,COM_STATISTICS,
COM_PROCESS_INFO,COM_CONNECT,COM_PROCESS_KILL,
COM_DEBUG,COM_PING,COM_TIME,COM_DELAYED_INSERT,
COM_CHANGE_USER, COM_BINLOG_DUMP,
COM_TABLE_DUMP, COM_CONNECT_OUT,
COM_REGISTER_SLAVE};
#define NOT_NULL_FLAG 1 /* Field can't be NULL */
#define PRI_KEY_FLAG 2 /* Field is part of a primary key */
#define UNIQUE_KEY_FLAG 4 /* Field is part of a unique key */
#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */
#define BLOB_FLAG 16 /* Field is a blob */
#define UNSIGNED_FLAG 32 /* Field is unsigned */
#define ZEROFILL_FLAG 64 /* Field is zerofill */
#define BINARY_FLAG 128
/* The following are only sent to new clients */
#define ENUM_FLAG 256 /* field is an enum */
#define AUTO_INCREMENT_FLAG 512 /* field is a autoincrement field */
#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */
#define SET_FLAG 2048 /* field is a set */
#define NUM_FLAG 32768 /* Field is num (for clients) */
#define PART_KEY_FLAG 16384 /* Intern; Part of some key */
#define GROUP_FLAG 32768 /* Intern: Group field */
#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */
#define REFRESH_GRANT 1 /* Refresh grant tables */
#define REFRESH_LOG 2 /* Start on new log file */
#define REFRESH_TABLES 4 /* close all tables */
#define REFRESH_HOSTS 8 /* Flush host cache */
#define REFRESH_STATUS 16 /* Flush status variables */
#define REFRESH_THREADS 32 /* Flush status variables */
#define REFRESH_SLAVE 64 /* Reset master info and restart slave
thread */
#define REFRESH_MASTER 128 /* Remove all bin logs in the index
and truncate the index */
/* The following can't be set with mysql_refresh() */
#define REFRESH_READ_LOCK 16384 /* Lock tables for read */
#define REFRESH_FAST 32768 /* Intern flag */
/* RESET (remove all queries) from query cache */
#define REFRESH_QUERY_CACHE 65536
#define REFRESH_QUERY_CACHE_FREE 0x20000L /* pack query cache */
#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */
#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */
#define CLIENT_LONG_FLAG 4 /* Get all column flags */
#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */
#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */
#define CLIENT_COMPRESS 32 /* Can use compression protocol */
#define CLIENT_ODBC 64 /* Odbc client */
#define CLIENT_LOCAL_FILES 128 /* Can use LOAD DATA LOCAL */
#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */
#define CLIENT_CHANGE_USER 512 /* Support the mysql_change_user() */
#define CLIENT_INTERACTIVE 1024 /* This is an interactive client */
#define CLIENT_SSL 2048 /* Switch to SSL after handshake */
#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */
#define CLIENT_TRANSACTIONS 8192 /* Client knows about transactions */
#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */
#define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */
#define MYSQL_ERRMSG_SIZE 200
#define NET_READ_TIMEOUT 30 /* Timeout on read */
#define NET_WRITE_TIMEOUT 60 /* Timeout on write */
#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */
struct st_vio; /* Only C */
typedef struct st_vio Vio;
#define MAX_BLOB_WIDTH 8192 // Default width for blob
typedef struct st_net {
Vio* vio;
unsigned char *buff,*buff_end,*write_pos,*read_pos;
my_socket fd; /* For Perl DBI/dbd */
unsigned long max_packet;
int fcntl;
unsigned int last_errno,timeout,pkt_nr,compress_pkt_nr;
char last_error[MYSQL_ERRMSG_SIZE];
unsigned char error;
my_bool return_errno,compress;
/*
The following variable is set if we are doing several queries in one
command ( as in LOAD TABLE ... FROM MASTER ),
and do not want to confuse the client with OK at the wrong time
*/
unsigned long remain_in_buf,length, buf_length, where_b;
unsigned int *return_status;
unsigned char reading_or_writing;
char save_char;
my_bool no_send_ok;
gptr query_cache_query;
} NET;
#define packet_error (~(unsigned long) 0)
enum enum_field_types { FIELD_TYPE_DECIMAL, FIELD_TYPE_TINY,
FIELD_TYPE_SHORT, FIELD_TYPE_LONG,
FIELD_TYPE_FLOAT, FIELD_TYPE_DOUBLE,
FIELD_TYPE_NULL, FIELD_TYPE_TIMESTAMP,
FIELD_TYPE_LONGLONG,FIELD_TYPE_INT24,
FIELD_TYPE_DATE, FIELD_TYPE_TIME,
FIELD_TYPE_DATETIME, FIELD_TYPE_YEAR,
FIELD_TYPE_NEWDATE,
FIELD_TYPE_ENUM=247,
FIELD_TYPE_SET=248,
FIELD_TYPE_TINY_BLOB=249,
FIELD_TYPE_MEDIUM_BLOB=250,
FIELD_TYPE_LONG_BLOB=251,
FIELD_TYPE_BLOB=252,
FIELD_TYPE_VAR_STRING=253,
FIELD_TYPE_STRING=254
};
#define FIELD_TYPE_CHAR FIELD_TYPE_TINY /* For compability */
#define FIELD_TYPE_INTERVAL FIELD_TYPE_ENUM /* For compability */
#define net_new_transaction(net) ((net)->pkt_nr=0)
#ifdef __cplusplus
extern "C" {
#endif
extern unsigned long max_allowed_packet;
extern unsigned long net_buffer_length;
int my_net_init(NET *net, Vio* vio);
void net_end(NET *net);
void net_clear(NET *net);
int net_flush(NET *net);
int my_net_write(NET *net,const char *packet,unsigned long len);
int net_write_command(NET *net,unsigned char command,const char *packet,
unsigned long len);
int net_real_write(NET *net,const char *packet,unsigned long len);
unsigned long my_net_read(NET *net);
/* The following function is not meant for normal usage */
struct sockaddr;
int my_connect(my_socket s, const struct sockaddr *name, unsigned int namelen,
unsigned int timeout);
struct rand_struct {
unsigned long seed1,seed2,max_value;
double max_value_dbl;
};
#ifdef __cplusplus
}
#endif
/* The following is for user defined functions */
enum Item_result {STRING_RESULT,REAL_RESULT,INT_RESULT};
typedef struct st_udf_args
{
unsigned int arg_count; /* Number of arguments */
enum Item_result *arg_type; /* Pointer to item_results */
char **args; /* Pointer to argument */
unsigned long *lengths; /* Length of string arguments */
char *maybe_null; /* Set to 1 for all maybe_null args */
} UDF_ARGS;
/* This holds information about the result */
typedef struct st_udf_init
{
my_bool maybe_null; /* 1 if function can return NULL */
unsigned int decimals; /* for real functions */
unsigned long max_length; /* For string functions */
char *ptr; /* free pointer for function data */
my_bool const_item; /* 0 if result is independent of arguments */
} UDF_INIT;
/* Constants when using compression */
#define NET_HEADER_SIZE 4 /* standard header size */
#define COMP_HEADER_SIZE 3 /* compression header extra size */
/* Prototypes to password functions */
#ifdef __cplusplus
extern "C" {
#endif
void randominit(struct rand_struct *,unsigned long seed1,
unsigned long seed2);
double rnd(struct rand_struct *);
void make_scrambled_password(char *to,const char *password);
void get_salt_from_password(unsigned long *res,const char *password);
void make_password_from_salt(char *to, unsigned long *hash_res);
char *scramble(char *to,const char *message,const char *password,
my_bool old_ver);
my_bool check_scramble(const char *, const char *message,
unsigned long *salt,my_bool old_ver);
char *get_tty_password(char *opt_message);
void hash_password(unsigned long *result, const char *password);
/* Some other useful functions */
void my_init(void);
void load_defaults(const char *conf_file, const char **groups,
int *argc, char ***argv);
my_bool my_thread_init(void);
void my_thread_end(void);
#ifdef __cplusplus
}
#endif
#define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */
#endif
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