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ctlib.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 _ctlib_h_
00021 #define _ctlib_h_
00022 
00023 /*
00024  * Internal (not part of the exposed API) prototypes and such.
00025  */
00026 
00027 #ifdef __cplusplus
00028 extern "C"
00029 {
00030 #if 0
00031 }
00032 #endif
00033 #endif
00034 
00035 static const char rcsid_ctlib_h[] = "$Id: ctlib.h,v 1.18 2004/10/28 12:42:11 freddy77 Exp $";
00036 static const void *const no_unused_ctlib_h_warn[] = { rcsid_ctlib_h, no_unused_ctlib_h_warn };
00037 
00038 #include <tds.h>
00039 /*
00040  * internal types
00041  */
00042 struct _cs_config
00043 {
00044         short cs_expose_formats;
00045 };
00046 
00047 /* Code changed for error handling */
00048 /* Code changes starts here - CT_DIAG - 01 */
00049 
00050 /* This structure is used in CT_DIAG */
00051 
00052 struct cs_diag_msg_client
00053 {
00054         CS_CLIENTMSG *clientmsg;
00055         struct cs_diag_msg_client *next;
00056 };
00057 
00058 struct cs_diag_msg_svr
00059 {
00060         CS_SERVERMSG *servermsg;
00061         struct cs_diag_msg_svr *next;
00062 };
00063 
00064 /* Code changes ends here - CT_DIAG - 01 */
00065 
00066 struct cs_diag_msg
00067 {
00068         CS_CLIENTMSG *msg;
00069         struct cs_diag_msg *next;
00070 };
00071 
00072 struct _cs_context
00073 {
00074         CS_INT date_convert_fmt;
00075         CS_INT cs_errhandletype;
00076         CS_INT cs_diag_msglimit;
00077 
00078         /* added for storing the maximum messages limit CT_DIAG */
00079         /* code changes starts here - CT_DIAG - 02 */
00080 
00081         CS_INT cs_diag_msglimit_client;
00082         CS_INT cs_diag_msglimit_server;
00083         CS_INT cs_diag_msglimit_total;
00084         struct cs_diag_msg_client *clientstore;
00085         struct cs_diag_msg_svr *svrstore;
00086 
00087         /* code changes ends here - CT_DIAG - 02 */
00088 
00089         struct cs_diag_msg *msgstore;
00090         CS_CSLIBMSG_FUNC _cslibmsg_cb;
00091         CS_CLIENTMSG_FUNC _clientmsg_cb;
00092         CS_SERVERMSG_FUNC _servermsg_cb;
00093         /* code changes start here - CS_CONFIG - 01*/
00094         void *userdata;
00095         int userdata_len;
00096         /* code changes end here - CS_CONFIG - 01*/
00097         TDSCONTEXT *tds_ctx;
00098         CS_CONFIG config;
00099 };
00100 
00101 /*
00102  * internal typedefs
00103  */
00104 typedef struct _ct_colinfo
00105 {
00106         TDS_SMALLINT *indicator;
00107 }
00108 CT_COLINFO;
00109 
00110 struct _cs_connection
00111 {
00112         CS_CONTEXT *ctx;
00113         TDSLOGIN *tds_login;
00114         TDSSOCKET *tds_socket;
00115         CS_CLIENTMSG_FUNC _clientmsg_cb;
00116         CS_SERVERMSG_FUNC _servermsg_cb;
00117         void *userdata;
00118         int userdata_len;
00119         CS_LOCALE *locale;
00120 };
00121 
00122 /*
00123  * Formerly CSREMOTE_PROC_PARAM, this structure can be used in other
00124  * places, too.
00125  */
00126 
00127 typedef struct _cs_param
00128 {
00129         struct _cs_param *next;
00130         char *name;
00131         int status;
00132         int type;
00133         CS_INT maxlen;
00134         CS_INT *datalen;
00135         CS_SMALLINT *ind;
00136         CS_BYTE *value;
00137         int param_by_value;
00138         CS_INT datalen_value;
00139         CS_SMALLINT indicator_value;
00140 } CS_PARAM;
00141 
00142 /*
00143  * Code added for RPC functionality - SUHA
00144  * RPC Code changes starts here
00145  */
00146 
00147 typedef CS_PARAM CSREMOTE_PROC_PARAM;
00148 
00149 typedef struct _csremote_proc
00150 {
00151         char *name;
00152         CS_SMALLINT options;
00153         CSREMOTE_PROC_PARAM *param_list;
00154 } CSREMOTE_PROC;
00155 
00156 /*
00157  * Structure CS_COMMAND changed for RPC functionality -SUHA
00158  * Added CSREMOTE_PROC *rpc to CS_COMMAND structure
00159  */
00160 
00161 /* values for cs_command.results_state */
00162 
00163 #define _CS_RES_INIT            0
00164 #define _CS_RES_RESULTSET_EMPTY 1
00165 #define _CS_RES_RESULTSET_ROWS  2
00166 #define _CS_RES_STATUS          3
00167 #define _CS_RES_CMD_DONE        4
00168 #define _CS_RES_CMD_SUCCEED     5
00169 
00170 struct _cs_command
00171 {
00172         CS_CHAR *query;
00173         CS_INT command_type;
00174         CS_CONNECTION *con;
00175         short dynamic_cmd;
00176         char *dyn_id;
00177         int row_prefetched;
00178         int results_state;
00179         int curr_result_type;
00180         /* Array Binding Code changes start here */
00181         int bind_count;
00182         /* Array Binding Code changes end here */
00183         int get_data_item;
00184         int get_data_bytes_returned;
00185         CS_IODESC *iodesc;
00186         CS_INT send_data_started;
00187         CSREMOTE_PROC *rpc;
00188         CS_PARAM *input_params;
00189         CS_INT client_cursor_id;
00190 };
00191 
00192 struct _cs_blkdesc
00193 {
00194         CS_CONNECTION *con;
00195         CS_CHAR *tablename;
00196         CS_CHAR *insert_stmt;
00197         CS_INT direction;
00198         CS_INT identity_insert_on;
00199         CS_INT bind_count;
00200         CS_INT xfer_init;
00201         CS_INT var_cols;
00202         TDSRESULTINFO *bindinfo;
00203 };
00204 
00205 
00206 #define _CS_ERRHAND_INLINE 1
00207 #define _CS_ERRHAND_CB     2
00208 
00209 struct _cs_locale
00210 {
00211         char *language;
00212         char *charset;
00213         char *time;
00214         char *collate;
00215 };
00216 
00217 /* internal defines for cursor processing */
00218 
00219 #define _CS_CURS_TYPE_UNACTIONED 0
00220 #define _CS_CURS_TYPE_REQUESTED  1
00221 #define _CS_CURS_TYPE_SENT       2
00222 
00223 /*
00224  * internal prototypes
00225  */
00226 int _ct_handle_server_message(TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE * msgptr);
00227 int _ct_handle_client_message(TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE * msgptr);
00228 int _ct_get_server_type(int datatype);
00229 int _ct_bind_data(CS_CONTEXT *ctx, TDSRESULTINFO * resinfo, TDSRESULTINFO *bindinfo, CS_INT offset);
00230 int _ct_get_client_type(int datatype, int usertype, int size);
00231 void _ctclient_msg(CS_CONNECTION * con, const char *funcname, int layer, int origin, int severity, int number,
00232                    const char *fmt, ...);
00233 CS_INT _ct_diag_clearmsg(CS_CONTEXT * context, CS_INT type);
00234 
00235 #ifdef __cplusplus
00236 #if 0
00237 {
00238 #endif
00239 }
00240 #endif
00241 
00242 #endif

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