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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 1.23 2005/12/21 08:11:58 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 typedef struct _cs_command_list CS_COMMAND_LIST;
    00111 typedef struct _cs_dynamic CS_DYNAMIC_LIST;
    00112 typedef struct _cs_dynamic CS_DYNAMIC;
    00113
    00114 struct _cs_connection
    00115 {
    00116         CS_CONTEXT *ctx;
    00117         TDSLOGIN *tds_login;
    00118         TDSSOCKET *tds_socket;
    00119         CS_CLIENTMSG_FUNC _clientmsg_cb;
    00120         CS_SERVERMSG_FUNC _servermsg_cb;
    00121         void *userdata;
    00122         int userdata_len;
    00123         CS_LOCALE *locale;
    00124         CS_COMMAND_LIST *cmds;
    00125         CS_DYNAMIC_LIST *dynlist;
    00126 };
    00127
    00128 /*
    00129  * Formerly CSREMOTE_PROC_PARAM, this structure can be used in other
    00130  * places, too.
    00131  */
    00132
    00133 typedef struct _cs_param
    00134 {
    00135         struct _cs_param *next;
    00136         char *name;
    00137         int status;
    00138         int type;
    00139         CS_INT maxlen;
    00140         CS_INT scale;
    00141         CS_INT precision;
    00142         CS_INT *datalen;
    00143         CS_SMALLINT *ind;
    00144         CS_BYTE *value;
    00145         int param_by_value;
    00146         CS_INT datalen_value;
    00147         CS_SMALLINT indicator_value;
    00148 } CS_PARAM;
    00149
    00150 /*
    00151  * Code added for RPC functionality - SUHA
    00152  * RPC Code changes starts here
    00153  */
    00154
    00155 typedef CS_PARAM CSREMOTE_PROC_PARAM;
    00156
    00157 typedef struct _csremote_proc
    00158 {
    00159         char *name;
    00160         CS_SMALLINT options;
    00161         CSREMOTE_PROC_PARAM *param_list;
    00162 } CSREMOTE_PROC;
    00163
    00164 /*
    00165  * Structure CS_COMMAND changed for RPC functionality -SUHA
    00166  * Added CSREMOTE_PROC *rpc to CS_COMMAND structure
    00167  */
    00168
    00169 typedef CS_PARAM CS_DYNAMIC_PARAM;
    00170
    00171 struct _cs_dynamic
    00172 {
    00173         char *id;
    00174         char *stmt;
    00175         CS_DYNAMIC_PARAM *param_list;
    00176         struct _cs_dynamic *next;
    00177 };
    00178
    00179 /* specific FreeTDS commands */
    00180 #define CS_DYNAMIC_CMD   160
    00181 #define CS_CUR_CMD       161
    00182
    00183 /* values for cs_command.results_state */
    00184
    00185 #define _CS_RES_NONE            -1
    00186 #define _CS_RES_INIT            0
    00187 #define _CS_RES_RESULTSET_EMPTY 1
    00188 #define _CS_RES_RESULTSET_ROWS  2
    00189 #define _CS_RES_STATUS          3
    00190 #define _CS_RES_CMD_DONE        4
    00191 #define _CS_RES_CMD_SUCCEED     5
    00192 #define _CS_RES_END_RESULTS     6
    00193 #define _CS_RES_DESCRIBE_RESULT 7
    00194
    00195 /* values for cs_command.command_state */
    00196
    00197 #define _CS_COMMAND_IDLE        0
    00198 #define _CS_COMMAND_BUILDING    1
    00199 #define _CS_COMMAND_READY       2
    00200 #define _CS_COMMAND_SENT        3
    00201
    00202 /* values for cs_command.cancel_state */
    00203 #define _CS_CANCEL_NOCANCEL     0
    00204 #define _CS_CANCEL_PENDING      1
    00205
    00206 struct _cs_command
    00207 {
    00208         CS_INT command_state;
    00209         CS_INT results_state;
    00210         CS_INT cancel_state;
    00211         CS_INT cursor_state;
    00212         CS_CONNECTION *con;
    00213         CS_INT command_type;
    00214         CS_CHAR *query;
    00215         short dynamic_cmd;
    00216         CS_DYNAMIC *dyn;
    00217         int row_prefetched;
    00218         int curr_result_type;
    00219         int bind_count;
    00220         int get_data_item;
    00221         int get_data_bytes_returned;
    00222         CS_IODESC *iodesc;
    00223         CS_INT send_data_started;
    00224         CSREMOTE_PROC *rpc;
    00225         CS_PARAM *input_params;
    00226         CS_INT client_cursor_id;
    00227         TDSCURSOR *cursor;
    00228         void *userdata;
    00229         int userdata_len;
    00230 };
    00231
    00232 struct _cs_command_list
    00233 {
    00234         struct _cs_command *cmd;
    00235         struct _cs_command_list *next;
    00236 };
    00237
    00238 struct _cs_blkdesc
    00239 {
    00240         CS_CONNECTION *con;
    00241         CS_CHAR *tablename;
    00242         CS_CHAR *insert_stmt;
    00243         CS_INT direction;
    00244         CS_INT identity_insert_on;
    00245         CS_INT bind_count;
    00246         CS_INT xfer_init;
    00247         CS_INT var_cols;
    00248         TDSRESULTINFO *bindinfo;
    00249 };
    00250
    00251
    00252 #define _CS_ERRHAND_INLINE 1
    00253 #define _CS_ERRHAND_CB     2
    00254
    00255 struct _cs_locale
    00256 {
    00257         char *language;
    00258         char *charset;
    00259         char *time;
    00260         char *collate;
    00261 };
    00262
    00263 /* internal defines for cursor processing */
    00264
    00265 #define _CS_CURS_TYPE_UNACTIONED 0
    00266 #define _CS_CURS_TYPE_REQUESTED  1
    00267 #define _CS_CURS_TYPE_SENT       2
    00268
    00269 /*
    00270  * internal prototypes
    00271  */
    00272 int _ct_handle_server_message(const TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE * msgptr);
    00273 int _ct_handle_client_message(const TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE * msgptr);
    00274 int _ct_get_server_type(int datatype);
    00275 int _ct_bind_data(CS_CONTEXT *ctx, TDSRESULTINFO * resinfo, TDSRESULTINFO *bindinfo, CS_INT offset);
    00276 int _ct_get_client_type(int datatype, int usertype, int size);
    00277 void _ctclient_msg(CS_CONNECTION * con, const char *funcname, int layer, int origin, int severity, int number,
    00278                    const char *fmt, ...);
    00279 CS_INT _ct_diag_clearmsg(CS_CONTEXT * context, CS_INT type);
    00280
    00281 #ifdef __cplusplus
    00282 #if 0
    00283 {
    00284 #endif
    00285 }
    00286 #endif
    00287
    00288 #endif