FreeTDS API: include/ctlib.h Source File

FreeTDS API

ctlib.h
1 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Brian Bruns
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 #ifndef _ctlib_h_
21 #define _ctlib_h_
22
23 #include <freetds/tds.h>
24 #include <freetds/convert.h>
25 #include <freetds/utils/string.h>
26
27 /*
28 * Internal (not part of the exposed API) prototypes and such.
29 */
30
31 #include <freetds/pushvis.h>
32
33 #ifdef __cplusplus
34 extern "C"
35 {
36 #if 0
37 }
38 #endif
39 #endif
40
41 /*
42 * internal types
43 */
44 struct _cs_config
45 {
46 short cs_expose_formats;
47 };
48
49 /* Code changed for error handling */
50 /* Code changes starts here - CT_DIAG - 01 */
51
52 /* This structure is used in CT_DIAG */
53
54 struct cs_diag_msg_client
55 {
56 CS_CLIENTMSG *clientmsg;
57 struct cs_diag_msg_client *next;
58 };
59
60 struct cs_diag_msg_svr
61 {
62 CS_SERVERMSG *servermsg;
63 struct cs_diag_msg_svr *next;
64 };
65
66 /* Code changes ends here - CT_DIAG - 01 */
67
68 struct cs_diag_msg
69 {
70 CS_CLIENTMSG *msg;
71 struct cs_diag_msg *next;
72 };
73
74 struct _cs_context
75 {
76 CS_INT date_convert_fmt;
77 CS_INT cs_errhandletype;
78 CS_INT cs_diag_msglimit;
79
80 /* added for storing the maximum messages limit CT_DIAG */
81 /* code changes starts here - CT_DIAG - 02 */
82
83 CS_INT cs_diag_msglimit_client;
84 CS_INT cs_diag_msglimit_server;
85 CS_INT cs_diag_msglimit_total;
86 struct cs_diag_msg_client *clientstore;
87 struct cs_diag_msg_svr *svrstore;
88
89 /* code changes ends here - CT_DIAG - 02 */
90
91 struct cs_diag_msg *msgstore;
92 CS_CSLIBMSG_FUNC _cslibmsg_cb;
93 CS_CLIENTMSG_FUNC _clientmsg_cb;
94 CS_SERVERMSG_FUNC _servermsg_cb;
95 /* code changes start here - CS_CONFIG - 01*/
96 void *userdata;
97 int userdata_len;
98 /* code changes end here - CS_CONFIG - 01*/
99 TDSCONTEXT *tds_ctx;
100 CS_CONFIG config;
101 int login_timeout;
102 int query_timeout;
103 };
104
105 /*
106 * internal typedefs
107 */
108 typedef struct _ct_colinfo
109 {
110 TDS_SMALLINT *indicator;
111 }
112 CT_COLINFO;
113
114 typedef struct _cs_dynamic CS_DYNAMIC;
115
116 struct _cs_connection
117 {
118 CS_CONTEXT *ctx;
119 TDSLOGIN *tds_login;
120 TDSSOCKET *tds_socket;
121 CS_CLIENTMSG_FUNC _clientmsg_cb;
122 CS_SERVERMSG_FUNC _servermsg_cb;
123 void *userdata;
124 int userdata_len;
125 CS_LOCALE *locale;
126 CS_COMMAND *cmds;
127 CS_DYNAMIC *dynlist;
128 char *server_addr;
129 bool network_auth;
130 };
131
132 /*
133 * Formerly CSREMOTE_PROC_PARAM, this structure can be used in other
134 * places, too.
135 */
136
137 typedef struct _cs_param
138 {
139 struct _cs_param *next;
140 char *name;
141 int status;
142 int datatype;
143 CS_INT maxlen;
144 CS_INT scale;
145 CS_INT precision;
146 CS_INT *datalen;
147 CS_SMALLINT *ind;
148 CS_BYTE *value;
149 int param_by_value;
150 CS_INT datalen_value;
151 CS_SMALLINT indicator_value;
152 } CS_PARAM;
153
154 /*
155 * Code added for RPC functionality - SUHA
156 * RPC Code changes starts here
157 */
158
159 typedef CS_PARAM CSREMOTE_PROC_PARAM;
160
161 typedef struct _csremote_proc
162 {
163 char *name;
164 CS_SMALLINT options;
165 CSREMOTE_PROC_PARAM *param_list;
166 } CSREMOTE_PROC;
167
168 /*
169 * Structure CS_COMMAND changed for RPC functionality -SUHA
170 * Added CSREMOTE_PROC *rpc to CS_COMMAND structure
171 */
172
173 typedef CS_PARAM CS_DYNAMIC_PARAM;
174
175 struct _cs_dynamic
176 {
177 struct _cs_dynamic *next;
178 char *id;
179 char *stmt;
180 CS_DYNAMIC_PARAM *param_list;
181 TDSDYNAMIC *tdsdyn;
182 };
183
184 /* specific FreeTDS commands */
185 #define CS_DYNAMIC_CMD 160
186 #define CS_CUR_CMD 161
187
188 /* values for cs_command.results_state */
189
190 #define _CS_RES_NONE -1
191 #define _CS_RES_INIT 0
192 #define _CS_RES_RESULTSET_EMPTY 1
193 #define _CS_RES_RESULTSET_ROWS 2
194 #define _CS_RES_STATUS 3
195 #define _CS_RES_CMD_DONE 4
196 #define _CS_RES_CMD_SUCCEED 5
197 #define _CS_RES_END_RESULTS 6
198 #define _CS_RES_DESCRIBE_RESULT 7
199
200 /* values for cs_command.command_state */
201
202 #define _CS_COMMAND_IDLE 0
203 #define _CS_COMMAND_BUILDING 1
204 #define _CS_COMMAND_READY 2
205 #define _CS_COMMAND_SENT 3
206
207 /* values for cs_command.cancel_state */
208 #define _CS_CANCEL_NOCANCEL 0
209 #define _CS_CANCEL_PENDING 1
210
211 struct _cs_command
212 {
213 struct _cs_command *next;
214 CS_INT command_state;
215 CS_INT results_state;
216 CS_INT cancel_state;
217 CS_INT cursor_state;
218 CS_CONNECTION *con;
219 CS_INT command_type;
220 CS_CHAR *query;
221 short dynamic_cmd;
222 CS_DYNAMIC *dyn;
223 int row_prefetched;
224 int curr_result_type;
225 int bind_count;
226 int get_data_item;
227 int get_data_bytes_returned;
228 CS_IODESC *iodesc;
229 CS_INT send_data_started;
230 CSREMOTE_PROC *rpc;
231 CS_PARAM *input_params;
232 CS_INT client_cursor_id;
233 TDSCURSOR *cursor;
234 void *userdata;
235 int userdata_len;
236 };
237
238 struct _cs_blkdesc
239 {
240 TDSBCPINFO bcpinfo;
241 };
242
243
244 #define _CS_ERRHAND_INLINE 1
245 #define _CS_ERRHAND_CB 2
246
247 struct _cs_locale
248 {
249 char *language;
250 char *charset;
251 char *time;
252 char *collate;
253 };
254
255 /* internal defines for cursor processing */
256
257 #define _CS_CURS_TYPE_UNACTIONED 0
258 #define _CS_CURS_TYPE_REQUESTED 1
259 #define _CS_CURS_TYPE_SENT 2
260
261 /*
262 * internal prototypes
263 */
264 TDSRET _ct_handle_server_message(const TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE * msgptr);
265 int _ct_handle_client_message(const TDSCONTEXT * ctxptr, TDSSOCKET * tdsptr, TDSMESSAGE * msgptr);
266 TDS_SERVER_TYPE _ct_get_server_type(TDSSOCKET *tds, int datatype);
267 int _ct_bind_data(CS_CONTEXT *ctx, TDSRESULTINFO * resinfo, TDSRESULTINFO *bindinfo, CS_INT offset);
268 int _ct_get_client_type(const TDSCOLUMN *col, bool describe);
269 void _ctclient_msg(CS_CONNECTION * con, const char *funcname, int layer, int origin, int severity, int number,
270 const char *fmt, ...);
271 CS_INT _ct_diag_clearmsg(CS_CONTEXT * context, CS_INT type);
272 void _cs_locale_free(CS_LOCALE *locale);
273 CS_LOCALE *_cs_locale_copy(CS_LOCALE *orig);
274 int _cs_locale_copy_inplace(CS_LOCALE *new_locale, CS_LOCALE *orig);
275
276 int _cs_convert_not_client(CS_CONTEXT *ctx, const TDSCOLUMN *curcol, CONV_RESULT *convert_buffer, unsigned char **p_src);
277
278 #ifdef __cplusplus
279 #if 0
280 {
281 #endif
282 }
283 #endif
284
285 #include <freetds/popvis.h>
286
287 #endif
_cs_context
Definition: ctlib.h:75
tds.h
_cs_servermsg
Definition: cstypes.h:191
_cs_connection
Definition: ctlib.h:117
tds_result_info
Hold information for any results.
Definition: tds.h:770
_cs_locale
Definition: ctlib.h:248
tds_socket
Information for a server connection.
Definition: tds.h:1164
cs_diag_msg_client
Definition: ctlib.h:55
tds_context
Definition: tds.h:1030
_cs_command
Definition: ctlib.h:212
_csremote_proc
Definition: ctlib.h:162
_ct_colinfo
Definition: ctlib.h:109
tds_dynamic
Holds information for a dynamic (also called prepared) query.
Definition: tds.h:978
cs_diag_msg
Definition: ctlib.h:69
_cs_config
Definition: ctlib.h:45
tds_cursor
Holds informations about a cursor.
Definition: tds.h:938
conv_result
Definition: convert.h:34
_cs_param
Definition: ctlib.h:138
tds_message
Definition: tds.h:877
tds_bcpinfo
Definition: tds.h:1656
tds_login
Definition: tds.h:518
_cs_context::query_timeout
int query_timeout
not used unless positive
Definition: ctlib.h:102
_cs_context::login_timeout
int login_timeout
not used unless positive
Definition: ctlib.h:101
cs_diag_msg_svr
Definition: ctlib.h:61
_cs_iodesc
Definition: cstypes.h:97
_cs_blkdesc
Definition: ctlib.h:239
tds_column
Metadata about columns in regular and compute rows.
Definition: tds.h:690
_cs_clientmsg
Definition: cstypes.h:177
_cs_dynamic
Definition: ctlib.h:176