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239 lines
8.5 KiB
239 lines
8.5 KiB
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Library General Public |
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License as published by the Free Software Foundation; either |
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version 2 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public |
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License along with this library; if not, write to the Free |
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Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
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MA 02111-1307, USA */ |
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/* |
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** Common definition between mysql server & client |
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*/ |
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#ifndef _mysql_com_h |
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#define _mysql_com_h |
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#define NAME_LEN 64 /* Field/table name length */ |
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#define HOSTNAME_LENGTH 60 |
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#define USERNAME_LENGTH 16 |
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#define SERVER_VERSION_LENGTH 60 |
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#define LOCAL_HOST "localhost" |
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#define LOCAL_HOST_NAMEDPIPE "." |
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#if defined(__WIN__) && !defined( _CUSTOMCONFIG_) |
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#define MYSQL_NAMEDPIPE "MySQL" |
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#define MYSQL_SERVICENAME "MySql" |
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#endif /* __WIN__ */ |
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enum enum_server_command {COM_SLEEP,COM_QUIT,COM_INIT_DB,COM_QUERY, |
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COM_FIELD_LIST,COM_CREATE_DB,COM_DROP_DB,COM_REFRESH, |
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COM_SHUTDOWN,COM_STATISTICS, |
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COM_PROCESS_INFO,COM_CONNECT,COM_PROCESS_KILL, |
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COM_DEBUG,COM_PING,COM_TIME,COM_DELAYED_INSERT, |
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COM_CHANGE_USER, COM_BINLOG_DUMP, |
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COM_TABLE_DUMP, COM_CONNECT_OUT}; |
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#define NOT_NULL_FLAG 1 /* Field can't be NULL */ |
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#define PRI_KEY_FLAG 2 /* Field is part of a primary key */ |
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#define UNIQUE_KEY_FLAG 4 /* Field is part of a unique key */ |
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#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */ |
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#define BLOB_FLAG 16 /* Field is a blob */ |
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#define UNSIGNED_FLAG 32 /* Field is unsigned */ |
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#define ZEROFILL_FLAG 64 /* Field is zerofill */ |
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#define BINARY_FLAG 128 |
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/* The following are only sent to new clients */ |
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#define ENUM_FLAG 256 /* field is an enum */ |
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#define AUTO_INCREMENT_FLAG 512 /* field is a autoincrement field */ |
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#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */ |
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#define SET_FLAG 2048 /* field is a set */ |
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#define NUM_FLAG 32768 /* Field is num (for clients) */ |
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#define PART_KEY_FLAG 16384 /* Intern; Part of some key */ |
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#define GROUP_FLAG 32768 /* Intern: Group field */ |
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#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */ |
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#define REFRESH_GRANT 1 /* Refresh grant tables */ |
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#define REFRESH_LOG 2 /* Start on new log file */ |
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#define REFRESH_TABLES 4 /* close all tables */ |
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#define REFRESH_HOSTS 8 /* Flush host cache */ |
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#define REFRESH_STATUS 16 /* Flush status variables */ |
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#define REFRESH_THREADS 32 /* Flush thread cache */ |
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#define REFRESH_SLAVE 64 /* Reset master info and restart slave |
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thread */ |
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#define REFRESH_MASTER 128 /* Remove all bin logs in the index |
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and truncate the index */ |
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/* The following can't be set with mysql_refresh() */ |
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#define REFRESH_READ_LOCK 16384 /* Lock tables for read */ |
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#define REFRESH_FAST 32768 /* Intern flag */ |
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#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */ |
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#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */ |
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#define CLIENT_LONG_FLAG 4 /* Get all column flags */ |
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#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */ |
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#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */ |
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#define CLIENT_COMPRESS 32 /* Can use compression protocol */ |
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#define CLIENT_ODBC 64 /* Odbc client */ |
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#define CLIENT_LOCAL_FILES 128 /* Can use LOAD DATA LOCAL */ |
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#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */ |
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#define CLIENT_CHANGE_USER 512 /* Support the mysql_change_user() */ |
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#define CLIENT_INTERACTIVE 1024 /* This is an interactive client */ |
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#define CLIENT_SSL 2048 /* Switch to SSL after handshake */ |
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#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */ |
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#define CLIENT_TRANSACTIONS 8192 /* Client knows about transactions */ |
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#define SERVER_STATUS_IN_TRANS 1 /* Transaction has started */ |
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#define SERVER_STATUS_AUTOCOMMIT 2 /* Server in auto_commit mode */ |
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#define MYSQL_ERRMSG_SIZE 200 |
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#define NET_READ_TIMEOUT 30 /* Timeout on read */ |
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#define NET_WRITE_TIMEOUT 60 /* Timeout on write */ |
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#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */ |
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#ifndef Vio_defined |
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#define Vio_defined |
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#ifdef HAVE_VIO |
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class Vio; /* Fill Vio class in C++ */ |
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#else |
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struct st_vio; /* Only C */ |
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typedef struct st_vio Vio; |
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#endif |
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#endif |
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#define MAX_CHAR_WIDTH 255 /* Max length for a CHAR colum */ |
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#define MAX_BLOB_WIDTH 8192 /* Default width for blob */ |
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typedef struct st_net { |
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Vio* vio; |
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my_socket fd; /* For Perl DBI/dbd */ |
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int fcntl; |
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unsigned char *buff,*buff_end,*write_pos,*read_pos; |
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char last_error[MYSQL_ERRMSG_SIZE]; |
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unsigned int last_errno,max_packet,timeout,pkt_nr; |
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unsigned char error; |
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my_bool return_errno,compress; |
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my_bool no_send_ok; /* needed if we are doing several |
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queries in one command ( as in LOAD TABLE ... FROM MASTER ), |
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and do not want to confuse the client with OK at the wrong time |
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*/ |
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unsigned long remain_in_buf,length, buf_length, where_b; |
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unsigned int *return_status; |
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unsigned char reading_or_writing; |
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char save_char; |
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} NET; |
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#define packet_error ((unsigned int) -1) |
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enum enum_field_types { FIELD_TYPE_DECIMAL, FIELD_TYPE_TINY, |
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FIELD_TYPE_SHORT, FIELD_TYPE_LONG, |
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FIELD_TYPE_FLOAT, FIELD_TYPE_DOUBLE, |
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FIELD_TYPE_NULL, FIELD_TYPE_TIMESTAMP, |
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FIELD_TYPE_LONGLONG,FIELD_TYPE_INT24, |
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FIELD_TYPE_DATE, FIELD_TYPE_TIME, |
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FIELD_TYPE_DATETIME, FIELD_TYPE_YEAR, |
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FIELD_TYPE_NEWDATE, |
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FIELD_TYPE_ENUM=247, |
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FIELD_TYPE_SET=248, |
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FIELD_TYPE_TINY_BLOB=249, |
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FIELD_TYPE_MEDIUM_BLOB=250, |
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FIELD_TYPE_LONG_BLOB=251, |
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FIELD_TYPE_BLOB=252, |
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FIELD_TYPE_VAR_STRING=253, |
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FIELD_TYPE_STRING=254 |
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}; |
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#define FIELD_TYPE_CHAR FIELD_TYPE_TINY /* For compability */ |
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#define FIELD_TYPE_INTERVAL FIELD_TYPE_ENUM /* For compability */ |
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extern unsigned long max_allowed_packet; |
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extern unsigned long net_buffer_length; |
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#define net_new_transaction(net) ((net)->pkt_nr=0) |
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int my_net_init(NET *net, Vio* vio); |
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void net_end(NET *net); |
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void net_clear(NET *net); |
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int net_flush(NET *net); |
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int my_net_write(NET *net,const char *packet,unsigned long len); |
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int net_write_command(NET *net,unsigned char command,const char *packet, |
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unsigned long len); |
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int net_real_write(NET *net,const char *packet,unsigned long len); |
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unsigned int my_net_read(NET *net); |
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struct rand_struct { |
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unsigned long seed1,seed2,max_value; |
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double max_value_dbl; |
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}; |
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/* The following is for user defined functions */ |
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enum Item_result {STRING_RESULT,REAL_RESULT,INT_RESULT}; |
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typedef struct st_udf_args |
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{ |
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unsigned int arg_count; /* Number of arguments */ |
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enum Item_result *arg_type; /* Pointer to item_results */ |
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char **args; /* Pointer to argument */ |
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unsigned long *lengths; /* Length of string arguments */ |
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char *maybe_null; /* Set to 1 for all maybe_null args */ |
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} UDF_ARGS; |
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/* This holds information about the result */ |
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typedef struct st_udf_init |
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{ |
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my_bool maybe_null; /* 1 if function can return NULL */ |
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unsigned int decimals; /* for real functions */ |
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unsigned int max_length; /* For string functions */ |
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char *ptr; /* free pointer for function data */ |
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my_bool const_item; /* 0 if result is independent of arguments */ |
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} UDF_INIT; |
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/* Constants when using compression */ |
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#define NET_HEADER_SIZE 4 /* standard header size */ |
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#define COMP_HEADER_SIZE 3 /* compression header extra size */ |
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/* Prototypes to password functions */ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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void randominit(struct rand_struct *,unsigned long seed1, |
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unsigned long seed2); |
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double rnd(struct rand_struct *); |
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void make_scrambled_password(char *to,const char *password); |
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void get_salt_from_password(unsigned long *res,const char *password); |
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void make_password_from_salt(char *to, unsigned long *hash_res); |
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char *scramble(char *to,const char *message,const char *password, |
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my_bool old_ver); |
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my_bool check_scramble(const char *, const char *message, |
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unsigned long *salt,my_bool old_ver); |
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char *get_tty_password(char *opt_message); |
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void hash_password(unsigned long *result, const char *password); |
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/* Some other useful functions */ |
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void my_init(void); |
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void load_defaults(const char *conf_file, const char **groups, |
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int *argc, char ***argv); |
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my_bool my_thread_init(void); |
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void my_thread_end(void); |
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#ifdef __cplusplus |
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} |
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#endif |
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#define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */ |
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#endif
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