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dblib.h

00001 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
00002  * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004  Brian Bruns
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Library General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Library General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Library General Public
00015  * License along with this library; if not, write to the
00016  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00017  * Boston, MA 02111-1307, USA.
00018  */
00019 
00020 #ifndef _dblib_h_
00021 #define _dblib_h_
00022 
00023 #ifdef __cplusplus
00024 extern "C"
00025 {
00026 #if 0
00027 }
00028 #endif
00029 #endif
00030 
00031 static const char rcsid_dblib_h[] = "$Id: dblib.h,v 1.21 2004/10/28 12:42:12 freddy77 Exp $";
00032 static const void *const no_unused_dblib_h_warn[] = { rcsid_dblib_h, no_unused_dblib_h_warn };
00033 
00034 struct tds_dblib_loginrec
00035 {
00036         TDSLOGIN *tds_login;
00037 };
00038 
00039 typedef struct tag_DBPROC_ROWBUF
00040 {
00041         int buffering_on;       /* (boolean) is row buffering turned on?     */
00042         int first_in_buf;       /* result set row number of first row in buf */
00043         int next_row;           /* result set row number of next row         */
00044         int newest;             /* index of most recent item in queue        */
00045         int oldest;             /* index of least recent item in queue       */
00046         int elcount;            /* max element count that buffer can hold    */
00047         int element_size;       /* size in bytes of each element in queue    */
00048         int rows_in_buf;        /* # of rows currently in buffer             */
00049         void *rows;             /* pointer to the row storage                */
00050 } DBPROC_ROWBUF;
00051 
00052 typedef struct
00053 {
00054         int host_column;
00055         int datatype;
00056         int prefix_len;
00057         DBINT column_len;
00058         BYTE *terminator;
00059         int term_len;
00060         int tab_colnum;
00061         int column_error;
00062         BCPCOLDATA *bcp_column_data;
00063 } BCP_HOSTCOLINFO;
00064 
00065 typedef struct 
00066 {
00067         TDS_CHAR *hostfile;
00068         TDS_CHAR *errorfile;
00069         FILE *bcp_errfileptr;
00070         TDS_INT host_colcount;
00071         BCP_HOSTCOLINFO **host_columns;
00072         TDS_INT firstrow;
00073         TDS_INT lastrow;
00074         TDS_INT maxerrs;
00075         TDS_INT batch;
00076 } BCP_HOSTFILEINFO;
00077 
00078 typedef struct
00079 {
00080         char *hint;
00081         TDS_CHAR *tablename;
00082         TDS_CHAR *insert_stmt;
00083         TDS_INT direction;
00084         TDS_INT queryout;
00085         TDS_INT identity_insert_on;
00086         TDS_INT xfer_init;
00087         TDS_INT var_cols;
00088         TDS_INT bind_count;
00089         TDSRESULTINFO *bindinfo;
00090 } DB_BCPINFO;
00091 /* linked list of rpc parameters */
00092 
00093 typedef struct _DBREMOTE_PROC_PARAM
00094 {
00095         struct _DBREMOTE_PROC_PARAM *next;
00096 
00097         char *name;
00098         BYTE status;
00099         int type;
00100         DBINT maxlen;
00101         DBINT datalen;
00102         BYTE *value;
00103 } DBREMOTE_PROC_PARAM;
00104 
00105 typedef struct _DBREMOTE_PROC
00106 {
00107         struct _DBREMOTE_PROC *next;
00108 
00109         char *name;
00110         DBSMALLINT options;
00111         DBREMOTE_PROC_PARAM *param_list;
00112 } DBREMOTE_PROC;
00113 
00114 struct tds_dblib_dbprocess
00115 {
00116         TDSSOCKET *tds_socket;
00117 
00118         TDS_INT row_type;
00119         DBPROC_ROWBUF row_buf;
00120 
00121         int noautofree;
00122         int more_results;       /* boolean.  Are we expecting results? */
00123         int dbresults_state;
00124         int dbresults_retcode;
00125         BYTE *user_data;        /* see dbsetuserdata() and dbgetuserdata() */
00126         unsigned char *dbbuf;   /* is dynamic!                   */
00127         int dbbufsz;
00128         int command_state;
00129         TDS_INT text_size;
00130         TDS_INT text_sent;
00131         DBTYPEINFO typeinfo;
00132         unsigned char avail_flag;
00133         DBOPTION *dbopts;
00134         DBSTRING *dboptcmd;
00135         BCP_HOSTFILEINFO *hostfileinfo;
00136         DB_BCPINFO *bcpinfo;
00137         DBREMOTE_PROC *rpc;
00138         DBUSMALLINT envchange_rcv;
00139         char dbcurdb[DBMAXNAME + 1];
00140         char servcharset[DBMAXNAME + 1];
00141         FILE *ftos;
00142         DB_DBCHKINTR_FUNC dbchkintr;
00143         DB_DBHNDLINTR_FUNC dbhndlintr;
00144         
00146         int msdblib;
00147 };
00148 
00149 #define DBLIB_INFO_MSG_TYPE 0
00150 #define DBLIB_ERROR_MSG_TYPE 1
00151 
00152 /*
00153 ** internal prototypes
00154 */
00155 int _dblib_handle_info_message(TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE* msgptr);
00156 int _dblib_handle_err_message(TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE* msgptr);
00157 int _dblib_client_msg(DBPROCESS * dbproc, int dberr, int severity, const char *dberrstr);
00158 void _dblib_setTDS_version(TDSLOGIN * tds_login, DBINT version);
00159 
00160 DBINT _convert_char(int srctype, BYTE * src, int destype, BYTE * dest, DBINT destlen);
00161 DBINT _convert_intn(int srctype, BYTE * src, int destype, BYTE * dest, DBINT destlen);
00162 
00163 RETCODE _bcp_clear_storage(DBPROCESS * dbproc);
00164 RETCODE _bcp_get_term_var(BYTE * dataptr, BYTE * term, int term_len);
00165 RETCODE _bcp_get_prog_data(DBPROCESS * dbproc);
00166 int _bcp_readfmt_colinfo(DBPROCESS * dbproc, char *buf, BCP_HOSTCOLINFO * ci);
00167 RETCODE _bcp_read_hostfile(DBPROCESS * dbproc, FILE * hostfile, FILE * errfile, int *row_error);
00168 
00169 extern MHANDLEFUNC _dblib_msg_handler;
00170 extern EHANDLEFUNC _dblib_err_handler;
00171 
00172 #ifdef __cplusplus
00173 #if 0
00174 {
00175 #endif
00176 }
00177 #endif
00178 
00179 #endif

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