FreeTDS API

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tds.h
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1/* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Brian Bruns
3 * Copyright (C) 2010, 2011 Frediano Ziglio
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
19 */
20
21#ifndef _tdsguard_hfOrWb5znoUCWdBPoNQvqN_
22#define _tdsguard_hfOrWb5znoUCWdBPoNQvqN_
23
24#ifndef _freetds_config_h_
25#error should include config.h before
26#endif
27
28#include <stdarg.h>
29#include <stdio.h>
30#include <time.h>
31
32#ifdef HAVE_STDDEF_H
33#include <stddef.h>
34#endif
35
36#if HAVE_NETDB_H
37#include <netdb.h>
38#endif /* HAVE_NETDB_H */
39
40#if HAVE_NETINET_IN_H
41#include <netinet/in.h>
42#endif /* HAVE_NET_INET_IN_H */
43#if HAVE_ARPA_INET_H
44#include <arpa/inet.h>
45#endif /* HAVE_ARPA_INET_H */
46
47#if HAVE_SYS_SOCKET_H
48#include <sys/socket.h>
49#endif /* HAVE_SYS_SOCKET_H */
50
51/* forward declaration */
52 typedef struct tdsiconvinfo TDSICONV;
53 typedef struct tds_connection TDSCONNECTION;
54 typedef struct tds_socket TDSSOCKET;
55 typedef struct tds_column TDSCOLUMN;
56 typedef struct tds_bcpinfo TDSBCPINFO;
57
58#include <freetds/version.h>
59#include <freetds/sysdep_private.h>
60#include <freetds/thread.h>
61#include <freetds/bool.h>
62#include <freetds/macros.h>
63#include <freetds/utils/string.h>
64#include <freetds/utils/path.h>
65#include <freetds/replacements.h>
66
67#include <freetds/pushvis.h>
68
69#ifdef __cplusplus
70 extern "C"
71{
72#if 0
73}
74#endif
75#endif
76
82 typedef struct tds_compiletime_settings
83{
84 const char *freetds_version; /* release version of FreeTDS */
85 const tds_dir_char *sysconfdir; /* location of freetds.conf */
86 const char *last_update; /* latest software_version date among the modules */
87 const char *tdsver; /* TDS protocol version (4.2/4.6/5.0/7.0/7.1/8.0) 5.0 */
88 bool msdblib; /* for MS style dblib */
89 bool sybase_compat; /* enable increased Open Client binary compatibility */
90 bool threadsafe; /* compile for thread safety default=no */
91 bool libiconv; /* search for libiconv in DIR/include and DIR/lib */
92 bool iodbc; /* build odbc driver against iODBC in DIR */
93 bool unixodbc; /* build odbc driver against unixODBC in DIR */
94 bool openssl; /* build against OpenSSL */
95 bool gnutls; /* build against GnuTLS */
96 bool mars; /* MARS enabled */
97 bool sspi; /* SSPI enabled */
98 bool kerberos; /* Kerberos enabled */
99} TDS_COMPILETIME_SETTINGS;
100
116/*
117 * All references to data that touch the wire should use the following typedefs.
118 *
119 * If you have problems on 64-bit machines and the code is
120 * using a native datatype, please change it to use
121 * these. (In the TDS layer only, the API layers have their
122 * own typedefs which equate to these).
123 */
124 typedef char TDS_CHAR; /* 8-bit char */
125 typedef uint8_t TDS_UCHAR; /* 8-bit uchar */
126 typedef uint8_t TDS_TINYINT; /* 8-bit unsigned */
127 typedef int16_t TDS_SMALLINT; /* 16-bit int */
128 typedef uint16_t TDS_USMALLINT; /* 16-bit unsigned */
129 typedef int32_t TDS_INT; /* 32-bit int */
130 typedef uint32_t TDS_UINT; /* 32-bit unsigned */
131 typedef int64_t TDS_INT8; /* 64-bit integer */
132 typedef uint64_t TDS_UINT8; /* 64-bit unsigned */
133 typedef tds_sysdep_real32_type TDS_REAL; /* 32-bit real */
134 typedef tds_sysdep_real64_type TDS_FLOAT; /* 64-bit real */
135
136#include <freetds/proto.h>
137
138#define TDS_INVALID_TYPE ((TDS_SERVER_TYPE) 0)
139
144 typedef struct
145{
146 TDS_UINT8 time;
147 TDS_INT date;
148 TDS_SMALLINT offset;
149 TDS_USMALLINT time_prec:3;
150 TDS_USMALLINT _tds_reserved:10;
151 TDS_USMALLINT has_time:1;
152 TDS_USMALLINT has_date:1;
153 TDS_USMALLINT has_offset:1;
154} TDS_DATETIMEALL;
155
157 typedef struct tdsdaterec
158{
159 TDS_INT year;
160 TDS_INT quarter;
161 TDS_INT month;
162 TDS_INT day;
163 TDS_INT dayofyear;
164 TDS_INT weekday;
165 TDS_INT hour;
166 TDS_INT minute;
167 TDS_INT second;
168 TDS_INT decimicrosecond;
169 TDS_INT timezone;
170} TDSDATEREC;
171
177 extern const int tds_numeric_bytes_per_prec[];
178
179 typedef int TDSRET;
180#define TDS_NO_MORE_RESULTS ((TDSRET)1)
181#define TDS_SUCCESS ((TDSRET)0)
182#define TDS_FAIL ((TDSRET)-1)
183#define TDS_CANCELLED ((TDSRET)-2)
184#define TDS_FAILED(rc) ((rc)<0)
185#define TDS_SUCCEED(rc) ((rc)>=0)
186#define TDS_PROPAGATE(rc) \
187 do { TDSRET _tds_ret = (rc); if (TDS_FAILED(_tds_ret)) return _tds_ret; } while(0)
188
189#define TDS_INT_CONTINUE 1
190#define TDS_INT_CANCEL 2
191#define TDS_INT_TIMEOUT 3
192
193
194#define TDS_NO_COUNT -1
195
196#define TDS_ROW_RESULT 4040
197#define TDS_PARAM_RESULT 4042
198#define TDS_STATUS_RESULT 4043
199#define TDS_MSG_RESULT 4044
200#define TDS_COMPUTE_RESULT 4045
201#define TDS_CMD_DONE 4046
202#define TDS_CMD_SUCCEED 4047
203#define TDS_CMD_FAIL 4048
204#define TDS_ROWFMT_RESULT 4049
205#define TDS_COMPUTEFMT_RESULT 4050
206#define TDS_DESCRIBE_RESULT 4051
207#define TDS_DONE_RESULT 4052
208#define TDS_DONEPROC_RESULT 4053
209#define TDS_DONEINPROC_RESULT 4054
210#define TDS_OTHERS_RESULT 4055
211
212 enum tds_token_results
213{
214 TDS_TOKEN_RES_OTHERS,
215 TDS_TOKEN_RES_ROWFMT,
216 TDS_TOKEN_RES_COMPUTEFMT,
217 TDS_TOKEN_RES_PARAMFMT,
218 TDS_TOKEN_RES_DONE,
219 TDS_TOKEN_RES_ROW,
220 TDS_TOKEN_RES_COMPUTE,
221 TDS_TOKEN_RES_PROC,
222 TDS_TOKEN_RES_MSG,
223 TDS_TOKEN_RES_ENV,
224};
225
226#define TDS_TOKEN_FLAG(flag) TDS_RETURN_##flag = (1 << (TDS_TOKEN_RES_##flag*2)), TDS_STOPAT_##flag = (2 << (TDS_TOKEN_RES_##flag*2))
227
228 enum tds_token_flags
229{
230 TDS_HANDLE_ALL = 0,
231 TDS_TOKEN_FLAG(OTHERS),
232 TDS_TOKEN_FLAG(ROWFMT),
233 TDS_TOKEN_FLAG(COMPUTEFMT),
234 TDS_TOKEN_FLAG(PARAMFMT),
235 TDS_TOKEN_FLAG(DONE),
236 TDS_TOKEN_FLAG(ROW),
237 TDS_TOKEN_FLAG(COMPUTE),
238 TDS_TOKEN_FLAG(PROC),
239 TDS_TOKEN_FLAG(MSG),
240 TDS_TOKEN_FLAG(ENV),
241 TDS_TOKEN_RESULTS = TDS_RETURN_ROWFMT|TDS_RETURN_COMPUTEFMT|TDS_RETURN_DONE|TDS_STOPAT_ROW|TDS_STOPAT_COMPUTE|TDS_RETURN_PROC,
242 TDS_TOKEN_TRAILING = TDS_STOPAT_ROWFMT|TDS_STOPAT_COMPUTEFMT|TDS_STOPAT_ROW|TDS_STOPAT_COMPUTE|TDS_STOPAT_MSG|TDS_STOPAT_OTHERS
243};
244
245/*
246 * TDSERRNO is emitted by libtds to the client library's error handler
247 * (which may in turn call the client's error handler).
248 * These match the db-lib msgno, because the same values have the same meaning
249 * in db-lib and ODBC. ct-lib maps them to ct-lib numbers (todo).
250 */
251 typedef enum { TDSEOK = TDS_SUCCESS,
252 TDSEVERDOWN = 100,
253 TDSEINPROGRESS,
254 TDSEICONVIU = 2400,
255 TDSEICONVAVAIL = 2401,
256 TDSEICONVO = 2402,
257 TDSEICONVI = 2403,
258 TDSEICONV2BIG = 2404,
259 TDSEPORTINSTANCE = 2500,
260 TDSESYNC = 20001,
261 TDSEFCON = 20002,
262 TDSETIME = 20003,
263 TDSEREAD = 20004,
264 TDSEWRIT = 20006,
265 TDSESOCK = 20008,
266 TDSECONN = 20009,
267 TDSEMEM = 20010,
268 TDSEINTF = 20012, /* Server name not found in interface file */
269 TDSEUHST = 20013, /* Unknown host machine name. */
270 TDSEPWD = 20014,
271 TDSESEOF = 20017,
272 TDSERPND = 20019,
273 TDSEBTOK = 20020,
274 TDSEOOB = 20022,
275 TDSECLOS = 20056,
276 TDSEUSCT = 20058,
277 TDSEUTDS = 20146,
278 TDSEEUNR = 20185,
279 TDSECAP = 20203,
280 TDSENEG = 20210,
281 TDSEUMSG = 20212,
282 TDSECAPTYP = 20213,
283 TDSECONF = 20214,
284 TDSEBPROBADTYP = 20250,
285 TDSECLOSEIN = 20292
286} TDSERRNO;
287
288
289 enum {
290 TDS_CUR_ISTAT_UNUSED = 0x00,
291 TDS_CUR_ISTAT_DECLARED = 0x01,
292 TDS_CUR_ISTAT_OPEN = 0x02,
293 TDS_CUR_ISTAT_CLOSED = 0x04,
294 TDS_CUR_ISTAT_RDONLY = 0x08,
295 TDS_CUR_ISTAT_UPDATABLE = 0x10,
296 TDS_CUR_ISTAT_ROWCNT = 0x20,
297 TDS_CUR_ISTAT_DEALLOC = 0x40
298};
299
300/* string types */
301#define TDS_NULLTERM -9
302
303
304 typedef union tds_option_arg
305{
306 TDS_TINYINT ti;
307 TDS_INT i;
308 TDS_CHAR *c;
309} TDS_OPTION_ARG;
310
311
312 typedef enum tds_encryption_level {
313 TDS_ENCRYPTION_DEFAULT,
314 TDS_ENCRYPTION_OFF,
315 TDS_ENCRYPTION_REQUEST,
316 TDS_ENCRYPTION_REQUIRE,
317 TDS_ENCRYPTION_STRICT
318} TDS_ENCRYPTION_LEVEL;
319
320/*
321 * TODO use system macros for optimization
322 * See mcrypt for reference and linux kernel source for optimization
323 * check if unaligned access and use fast write/read when implemented
324 */
325#define TDS_BYTE_SWAP16(value) \
326 (((((uint16_t)value)<<8) & 0xFF00u) | \
327 ((((uint16_t)value)>>8) & 0x00FFu))
328
329#define TDS_BYTE_SWAP32(value) \
330 (((((uint32_t)value)<<24) & 0xFF000000u)| \
331 ((((uint32_t)value)<< 8) & 0x00FF0000u)| \
332 ((((uint32_t)value)>> 8) & 0x0000FF00u)| \
333 ((((uint32_t)value)>>24) & 0x000000FFu))
334
335#define is_end_token(x) ((x) >= TDS_DONE_TOKEN && (x) <= TDS_DONEINPROC_TOKEN)
336
337 enum {
338 TDS_TYPEFLAG_INVALID = 0,
339 TDS_TYPEFLAG_NULLABLE = 1,
340 TDS_TYPEFLAG_FIXED = 2,
341 TDS_TYPEFLAG_VARIABLE = 4,
342 TDS_TYPEFLAG_COLLATE = 8,
343 TDS_TYPEFLAG_ASCII = 16,
344 TDS_TYPEFLAG_UNICODE = 32,
345 TDS_TYPEFLAG_BINARY = 64,
346 TDS_TYPEFLAG_DATETIME = 128,
347 TDS_TYPEFLAG_NUMERIC = 256,
348 TDS_TYPEFLAG_VARIANT = 512,
349};
350
351 extern const uint16_t tds_type_flags_ms[256];
352#if 0
353 extern const uint16_t tds_type_flags_syb[256];
354 extern const char *const tds_type_names[256];
355#endif
356
357#define is_fixed_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_FIXED) != 0)
358#define is_nullable_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_NULLABLE) != 0)
359#define is_variable_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_VARIABLE) != 0)
360#define is_variant_inner_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_VARIANT) != 0)
361
362
363#define is_blob_type(x) ((x)==SYBTEXT || (x)==SYBIMAGE || (x)==SYBNTEXT)
364#define is_blob_col(x) ((x)->column_varint_size > 2)
365/* large type means it has a two byte size field */
366/* define is_large_type(x) (x>128) */
367#define is_numeric_type(x) ((x)==SYBNUMERIC || (x)==SYBDECIMAL)
369#define is_datetime_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_DATETIME) != 0)
370#define is_unicode_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_UNICODE) != 0)
371#define is_collate_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_COLLATE) != 0)
372#define is_ascii_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_ASCII) != 0)
373#define is_binary_type(x) ((tds_type_flags_ms[x] & TDS_TYPEFLAG_BINARY) != 0)
374#define is_char_type(x) ((tds_type_flags_ms[x] & (TDS_TYPEFLAG_ASCII|TDS_TYPEFLAG_UNICODE)) != 0)
375#define is_similar_type(x, y) (is_char_type(x) && is_char_type(y))
376 inline static bool
377is_tds_type_valid(int type)
378{
379 return (unsigned) type < 256u && tds_type_flags_ms[type] != 0;
380}
381
382
383#define TDS_MAX_CAPABILITY 32
384#define MAXPRECISION 77
385#define TDS_MAX_CONN 4096
386#define TDS_MAX_DYNID_LEN 30
387
388/* defaults to use if no others are found */
389#define TDS_DEF_SERVER "SYBASE"
390#define TDS_DEF_BLKSZ 512
391#define TDS_DEF_CHARSET "iso_1"
392#define TDS_DEF_LANG "us_english"
393#if TDS50
394#define TDS_DEFAULT_VERSION 0x500
395#define TDS_DEF_PORT 4000
396#elif TDS71
397#define TDS_DEFAULT_VERSION 0x701
398#define TDS_DEF_PORT 1433
399#elif TDS72
400#define TDS_DEFAULT_VERSION 0x702
401#define TDS_DEF_PORT 1433
402#elif TDS73
403#define TDS_DEFAULT_VERSION 0x703
404#define TDS_DEF_PORT 1433
405#elif TDS74
406#define TDS_DEFAULT_VERSION 0x704
407#define TDS_DEF_PORT 1433
408#else
409#define TDS_DEFAULT_VERSION 0x000
410#define TDS_DEF_PORT 1433
411#endif
412
413/* normalized strings from freetds.conf file */
414#define TDS_STR_VERSION "tds version"
415#define TDS_STR_BLKSZ "initial block size"
416#define TDS_STR_SWAPDT "swap broken dates"
417#define TDS_STR_DUMPFILE "dump file"
418#define TDS_STR_DEBUGLVL "debug level"
419#define TDS_STR_DEBUGFLAGS "debug flags"
420#define TDS_STR_TIMEOUT "timeout"
421#define TDS_STR_QUERY_TIMEOUT "query timeout"
422#define TDS_STR_CONNTIMEOUT "connect timeout"
423#define TDS_STR_HOSTNAME "hostname"
424#define TDS_STR_HOST "host"
425#define TDS_STR_PORT "port"
426#define TDS_STR_TEXTSZ "text size"
427/* for big endian hosts, obsolete, ignored */
428#define TDS_STR_EMUL_LE "emulate little endian"
429#define TDS_STR_CHARSET "charset"
430#define TDS_STR_CLCHARSET "client charset"
431#define TDS_STR_USE_UTF_16 "use utf-16"
432#define TDS_STR_LANGUAGE "language"
433#define TDS_STR_APPENDMODE "dump file append"
434#define TDS_STR_DATETIMEFMT "date format"
435#define TDS_STR_DATEFMT "date-only format"
436#define TDS_STR_TIMEFMT "time-only format"
437#define TDS_STR_INSTANCE "instance"
438#define TDS_STR_ASA_DATABASE "asa database"
439#define TDS_STR_DATABASE "database"
440#define TDS_STR_ENCRYPTION "encryption"
441#define TDS_STR_USENTLMV2 "use ntlmv2"
442#define TDS_STR_USELANMAN "use lanman"
443/* conf values */
444#define TDS_STR_ENCRYPTION_OFF "off"
445#define TDS_STR_ENCRYPTION_REQUEST "request"
446#define TDS_STR_ENCRYPTION_REQUIRE "require"
447#define TDS_STR_ENCRYPTION_STRICT "strict"
448/* Defines to enable optional GSSAPI delegation */
449#define TDS_GSSAPI_DELEGATION "enable gssapi delegation"
450/* Mutual authentication */
451#define TDS_STR_MUTUAL_AUTHENTICATION "mutual authentication"
452/* Kerberos realm name */
453#define TDS_STR_REALM "realm"
454/* Kerberos SPN */
455#define TDS_STR_SPN "spn"
456/* CA file */
457#define TDS_STR_CAFILE "ca file"
458/* CRL file */
459#define TDS_STR_CRLFILE "crl file"
460/* check SSL hostname */
461#define TDS_STR_CHECKSSLHOSTNAME "check certificate hostname"
462/* SSL hostname to check certificate */
463#define TDS_STR_SSLHOSTNAME "certificate hostname"
464/* database filename to attach on login (MSSQL) */
465#define TDS_STR_DBFILENAME "database filename"
466/* Application Intent MSSQL 2012 support */
467#define TDS_STR_READONLY_INTENT "read-only intent"
468/* configurable cipher suite to send to openssl's SSL_set_cipher_list() function */
469#define TLS_STR_OPENSSL_CIPHERS "openssl ciphers"
470/* enable old TLS v1, required for instance if you are using a really old Windows XP */
471#define TDS_STR_ENABLE_TLS_V1 "enable tls v1"
472
473
474/* TODO do a better check for alignment than this */
475 typedef union
476{
477 void *p;
478 int i;
479 int64_t ui;
480} tds_align_struct;
481
482#define TDS_ALIGN_SIZE sizeof(tds_align_struct)
483
484 typedef struct tds_capability_type
485{
486 unsigned char type;
487 unsigned char len; /* always sizeof(values) */
488 unsigned char values[TDS_MAX_CAPABILITY/2-2];
489} TDS_CAPABILITY_TYPE;
490
491 typedef struct tds_capabilities
492{
493 TDS_CAPABILITY_TYPE types[2];
494} TDS_CAPABILITIES;
495
496#define TDS_MAX_LOGIN_STR_SZ 128
497 typedef struct tds_login
498{
499 DSTR server_name;
500 int port;
501 TDS_USMALLINT tds_version;
502 int block_size;
503 DSTR language; /* e.g. us-english */
504 DSTR server_charset;
505 TDS_INT connect_timeout;
506 DSTR client_host_name;
507 DSTR server_host_name;
508 DSTR server_realm_name;
509 DSTR server_spn;
510 DSTR db_filename;
511 DSTR cafile;
512 DSTR crlfile;
513 DSTR certificate_host_name;
514 DSTR openssl_ciphers;
515 DSTR app_name;
516 DSTR user_name;
517 DSTR password;
518 DSTR new_password;
520 DSTR library; /* Ct-Library, DB-Library, TDS-Library or ODBC */
521 TDS_TINYINT encryption_level;
522
523 TDS_INT query_timeout;
524 TDS_CAPABILITIES capabilities;
525 DSTR client_charset;
526 DSTR database;
527
528 struct addrinfo *ip_addrs;
529 DSTR instance_name;
530 tds_dir_char *dump_file;
531 int debug_flags;
532 int text_size;
533 DSTR routing_address;
534 uint16_t routing_port;
535
536 unsigned char option_flag2;
537
538 unsigned int bulk_copy:1;
539 unsigned int suppress_language:1;
540 unsigned int gssapi_use_delegation:1;
541 unsigned int mutual_authentication:1;
542 unsigned int use_ntlmv2:1;
543 unsigned int use_ntlmv2_specified:1;
544 unsigned int use_lanman:1;
545 unsigned int mars:1;
546 unsigned int use_utf16:1;
547 unsigned int use_new_password:1;
548 unsigned int valid_configuration:1;
549 unsigned int check_ssl_hostname:1;
550 unsigned int readonly_intent:1;
551 unsigned int enable_tls_v1:1;
552 unsigned int enable_tls_v1_specified:1;
553 unsigned int server_is_valid:1;
554} TDSLOGIN;
555
556 typedef struct tds_headers
557{
558 const char *qn_options;
559 const char *qn_msgtext;
560 TDS_INT qn_timeout;
561 /* TDS 7.4+: trace activity ID char[20] */
562} TDSHEADERS;
563
564 typedef struct tds_locale
565{
566 char *language;
567 char *server_charset;
568 char *datetime_fmt;
569 char *date_fmt;
570 char *time_fmt;
571} TDSLOCALE;
572
577 typedef struct tds_blob
578{
579 TDS_CHAR *textvalue;
580 TDS_CHAR textptr[16];
581 TDS_CHAR timestamp[8];
582 bool valid_ptr;
583} TDSBLOB;
584
588 typedef struct tds_variant
589{
590 /* this MUST have same position and place of textvalue in tds_blob */
591 TDS_CHAR *data;
592 TDS_INT size;
593 TDS_INT data_len;
594 TDS_SERVER_TYPE type;
595 TDS_UCHAR collation[5];
596} TDSVARIANT;
597
602 typedef struct tds_encoding
603{
605 const char *name;
606 unsigned char min_bytes_per_char;
607 unsigned char max_bytes_per_char;
609 unsigned char canonic;
610} TDS_ENCODING;
611
612 typedef struct tds_bcpcoldata
613{
614 TDS_UCHAR *data;
615 TDS_INT datalen;
616 bool is_null;
617} BCPCOLDATA;
618
619
620 typedef TDSRET tds_func_get_info(TDSSOCKET *tds, TDSCOLUMN *col);
621 typedef TDSRET tds_func_get_data(TDSSOCKET *tds, TDSCOLUMN *col);
622 typedef TDS_INT tds_func_row_len(TDSCOLUMN *col);
623 typedef TDSRET tds_func_put_info(TDSSOCKET *tds, TDSCOLUMN *col);
624 typedef TDSRET tds_func_put_data(TDSSOCKET *tds, TDSCOLUMN *col, int bcp7);
625 typedef int tds_func_check(const TDSCOLUMN *col);
626
627 typedef struct tds_column_funcs
628{
629 tds_func_get_info *get_info;
630 tds_func_get_data *get_data;
631 tds_func_row_len *row_len;
637 tds_func_put_info *put_info;
647 tds_func_put_data *put_data;
648#if ENABLE_EXTRA_CHECKS
663 tds_func_check *check;
664#endif
665#if 0
666 TDSRET (*convert)(TDSSOCKET *tds, TDSCOLUMN *col);
667#endif
668} TDSCOLUMNFUNCS;
669
673 struct tds_column
674{
675 const TDSCOLUMNFUNCS *funcs;
676 TDS_INT column_usertype;
677 TDS_INT column_flags;
678
679 TDS_INT column_size;
681 TDS_SERVER_TYPE column_type;
686 TDS_TINYINT column_varint_size;
688 TDS_TINYINT column_prec;
689 TDS_TINYINT column_scale;
691 struct
692 {
693 TDS_SERVER_TYPE column_type;
694 TDS_INT column_size;
695 } on_server;
696
697 TDSICONV *char_conv;
699 DSTR table_name;
700 DSTR column_name;
701 DSTR table_column_name;
702
703 unsigned char *column_data;
704 void (*column_data_free)(struct tds_column *column);
705 unsigned char column_nullable:1;
706 unsigned char column_writeable:1;
707 unsigned char column_identity:1;
708 unsigned char column_key:1;
709 unsigned char column_hidden:1;
710 unsigned char column_output:1;
711 unsigned char column_timestamp:1;
712 unsigned char column_computed:1;
713 TDS_UCHAR column_collation[5];
714
715 /* additional fields flags for compute results */
716 TDS_SMALLINT column_operand;
717 TDS_TINYINT column_operator;
718
719 /* FIXME this is data related, not column */
721 TDS_INT column_cur_size;
722
723 /* related to binding or info stored by client libraries */
724 /* FIXME find a best place to store these data, some are unused */
725 TDS_SMALLINT column_bindtype;
726 TDS_SMALLINT column_bindfmt;
727 TDS_INT column_bindlen;
728 TDS_SMALLINT *column_nullbind;
729 TDS_CHAR *column_varaddr;
730 TDS_INT *column_lenbind;
731 TDS_INT column_textpos;
732 TDS_INT column_text_sqlgetdatapos;
733 TDS_CHAR column_text_sqlputdatainfo;
734 unsigned char column_iconv_left;
735 char column_iconv_buf[9];
736
737 BCPCOLDATA *bcp_column_data;
746 TDS_INT bcp_prefix_len;
747 TDS_INT bcp_term_len;
748 TDS_CHAR *bcp_terminator;
749};
750
751
753 typedef struct tds_result_info
754{
755 /* TODO those fields can became a struct */
756 TDSCOLUMN **columns;
757 TDS_USMALLINT num_cols;
758 TDS_USMALLINT computeid;
759 TDS_INT ref_count;
760 TDSSOCKET *attached_to;
761 unsigned char *current_row;
762 void (*row_free)(struct tds_result_info* result, unsigned char *row);
763 TDS_INT row_size;
764
765 TDS_SMALLINT *bycolumns;
766 TDS_USMALLINT by_cols;
767 bool rows_exist;
768 /* TODO remove ?? used only in dblib */
769 bool more_results;
770} TDSRESULTINFO;
771
773 typedef enum tds_states
774{
775 TDS_IDLE,
776 TDS_WRITING,
777 TDS_SENDING,
778 TDS_PENDING,
779 TDS_READING,
780 TDS_DEAD
781} TDS_STATE;
782
783 typedef enum tds_operations
784{
785 TDS_OP_NONE = 0,
786
787 /* MSSQL operations, these matches protocol definitions */
788 TDS_OP_CURSOR = TDS_SP_CURSOR,
789 TDS_OP_CURSOROPEN = TDS_SP_CURSOROPEN,
790 TDS_OP_CURSORPREPARE = TDS_SP_CURSORPREPARE,
791 TDS_OP_CURSOREXECUTE = TDS_SP_CURSOREXECUTE,
792 TDS_OP_CURSORPREPEXEC = TDS_SP_CURSORPREPEXEC,
793 TDS_OP_CURSORUNPREPARE = TDS_SP_CURSORUNPREPARE,
794 TDS_OP_CURSORFETCH = TDS_SP_CURSORFETCH,
795 TDS_OP_CURSOROPTION = TDS_SP_CURSOROPTION,
796 TDS_OP_CURSORCLOSE = TDS_SP_CURSORCLOSE,
797 TDS_OP_EXECUTESQL = TDS_SP_EXECUTESQL,
798 TDS_OP_PREPARE = TDS_SP_PREPARE,
799 TDS_OP_EXECUTE = TDS_SP_EXECUTE,
800 TDS_OP_PREPEXEC = TDS_SP_PREPEXEC,
801 TDS_OP_PREPEXECRPC = TDS_SP_PREPEXECRPC,
802 TDS_OP_UNPREPARE = TDS_SP_UNPREPARE,
803
804 /* sybase operations */
805 TDS_OP_DYN_DEALLOC = 100,
806} TDS_OPERATION;
807
808#define TDS_DBG_LOGIN __FILE__, ((__LINE__ << 4) | 11)
809#define TDS_DBG_HEADER __FILE__, ((__LINE__ << 4) | 10)
810#define TDS_DBG_FUNC __FILE__, ((__LINE__ << 4) | 7)
811#define TDS_DBG_INFO2 __FILE__, ((__LINE__ << 4) | 6)
812#define TDS_DBG_INFO1 __FILE__, ((__LINE__ << 4) | 5)
813#define TDS_DBG_NETWORK __FILE__, ((__LINE__ << 4) | 4)
814#define TDS_DBG_WARN __FILE__, ((__LINE__ << 4) | 3)
815#define TDS_DBG_ERROR __FILE__, ((__LINE__ << 4) | 2)
816#define TDS_DBG_SEVERE __FILE__, ((__LINE__ << 4) | 1)
817
818#define TDS_DBGFLAG_FUNC 0x80
819#define TDS_DBGFLAG_INFO2 0x40
820#define TDS_DBGFLAG_INFO1 0x20
821#define TDS_DBGFLAG_NETWORK 0x10
822#define TDS_DBGFLAG_WARN 0x08
823#define TDS_DBGFLAG_ERROR 0x04
824#define TDS_DBGFLAG_SEVERE 0x02
825#define TDS_DBGFLAG_ALL 0xfff
826#define TDS_DBGFLAG_LOGIN 0x0800
827#define TDS_DBGFLAG_HEADER 0x0400
828#define TDS_DBGFLAG_PID 0x1000
829#define TDS_DBGFLAG_TIME 0x2000
830#define TDS_DBGFLAG_SOURCE 0x4000
831#define TDS_DBGFLAG_THREAD 0x8000
832
833#if 0
839 enum TDS_DBG_LOG_STATE
840{
841 TDS_DBG_LOGIN = (1 << 0)
843 , TDS_DBG_API = (1 << 1)
844 , TDS_DBG_ASYNC = (1 << 2)
845 , TDS_DBG_DIAG = (1 << 3)
846 , TDS_DBG_error = (1 << 4)
847 /* TODO: ^^^^^ make upper case when old #defines (above) are removed */
848 /* Log FreeTDS runtime/logic error occurs. */
849 , TDS_DBG_PACKET = (1 << 5)
850 , TDS_DBG_LIBTDS = (1 << 6)
851 , TDS_DBG_CONFIG = (1 << 7)
852 , TDS_DBG_DEFAULT = 0xFE
853};
854#endif
855
856 typedef struct tds_result_info TDSCOMPUTEINFO;
857
858 typedef TDSRESULTINFO TDSPARAMINFO;
859
860 typedef struct tds_message
861{
862 TDS_CHAR *server;
863 TDS_CHAR *message;
864 TDS_CHAR *proc_name;
865 TDS_CHAR *sql_state;
866 TDS_INT msgno;
867 TDS_INT line_number;
868 /* -1 .. 255 */
869 TDS_SMALLINT state;
870 TDS_TINYINT priv_msg_type;
871 TDS_TINYINT severity;
872 /* for library-generated errors */
873 int oserr;
874} TDSMESSAGE;
875
876 typedef struct tds_upd_col
877{
878 struct tds_upd_col *next;
879 TDS_INT colnamelength;
880 char * columnname;
881} TDSUPDCOL;
882
883 typedef enum {
884 TDS_CURSOR_STATE_UNACTIONED = 0 /* initial value */
885 , TDS_CURSOR_STATE_REQUESTED = 1 /* called by ct_cursor */
886 , TDS_CURSOR_STATE_SENT = 2 /* sent to server */
887 , TDS_CURSOR_STATE_ACTIONED = 3 /* acknowledged by server */
888} TDS_CURSOR_STATE;
889
890 typedef struct tds_cursor_status
891{
892 TDS_CURSOR_STATE declare;
893 TDS_CURSOR_STATE cursor_row;
894 TDS_CURSOR_STATE open;
895 TDS_CURSOR_STATE fetch;
896 TDS_CURSOR_STATE close;
897 TDS_CURSOR_STATE dealloc;
898} TDS_CURSOR_STATUS;
899
900 typedef enum tds_cursor_operation
901{
902 TDS_CURSOR_POSITION = 0,
903 TDS_CURSOR_UPDATE = 1,
904 TDS_CURSOR_DELETE = 2,
905 TDS_CURSOR_INSERT = 4
906} TDS_CURSOR_OPERATION;
907
908 typedef enum tds_cursor_fetch
909{
910 TDS_CURSOR_FETCH_NEXT = 1,
911 TDS_CURSOR_FETCH_PREV,
912 TDS_CURSOR_FETCH_FIRST,
913 TDS_CURSOR_FETCH_LAST,
914 TDS_CURSOR_FETCH_ABSOLUTE,
915 TDS_CURSOR_FETCH_RELATIVE
916} TDS_CURSOR_FETCH;
917
921 typedef struct tds_cursor
922{
923 struct tds_cursor *next;
924 TDS_INT ref_count;
925 char *cursor_name;
926 TDS_INT cursor_id;
927 TDS_TINYINT options;
931 bool defer_close;
932 char *query;
933 /* TODO for updatable columns */
934 /* TDS_TINYINT number_upd_cols; */
935 /* TDSUPDCOL *cur_col_list; */
936 TDS_INT cursor_rows;
937 /* TDSPARAMINFO *params; */
938 TDS_CURSOR_STATUS status;
939 TDS_USMALLINT srv_status;
940 TDSRESULTINFO *res_info;
941 TDS_INT type, concurrency;
942} TDSCURSOR;
943
947 typedef struct tds_env
948{
950 int block_size;
951 char *language;
953 char *charset;
955 char *database;
956} TDSENV;
957
961 typedef struct tds_dynamic
962{
963 struct tds_dynamic *next;
964 TDS_INT ref_count;
966 TDS_INT num_id;
972 char id[30];
978 bool emulated;
982 bool defer_close;
983 /* int dyn_state; */ /* TODO use it */
984 TDSPARAMINFO *res_info;
992 TDSPARAMINFO *params;
994 char *query;
995} TDSDYNAMIC;
996
997 typedef enum {
998 TDS_MULTIPLE_QUERY,
999 TDS_MULTIPLE_EXECUTE,
1000 TDS_MULTIPLE_RPC
1001} TDS_MULTIPLE_TYPE;
1002
1003 typedef struct tds_multiple
1004{
1005 TDS_MULTIPLE_TYPE type;
1006 unsigned int flags;
1007} TDSMULTIPLE;
1008
1009/* forward declaration */
1010 typedef struct tds_context TDSCONTEXT;
1011 typedef int (*err_handler_t) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1012 typedef int (*int_handler_t) (void *);
1013
1014 struct tds_context
1015{
1016 TDSLOCALE *locale;
1017 void *parent;
1018 /* handlers */
1019 int (*msg_handler) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1020 int (*err_handler) (const TDSCONTEXT *, TDSSOCKET *, TDSMESSAGE *);
1021 int (*int_handler) (void *);
1022 bool money_use_2_digits;
1023};
1024
1025 enum TDS_ICONV_ENTRY
1026{
1027 client2ucs2
1028 , client2server_chardata
1029 , initial_char_conv_count /* keep last */
1030};
1031
1032 typedef struct tds_authentication
1033{
1034 uint8_t *packet;
1035 int packet_len;
1036 /* TDS_MSG_TOKEN type, for TDS5 */
1037 uint16_t msg_type;
1038 TDSRET (*free)(TDSCONNECTION* conn, struct tds_authentication * auth);
1039 TDSRET (*handle_next)(TDSSOCKET * tds, struct tds_authentication * auth, size_t len);
1040} TDSAUTHENTICATION;
1041
1042 typedef struct tds_packet
1043{
1044 struct tds_packet *next;
1045 uint16_t sid;
1046
1047#if ENABLE_ODBC_MARS
1051 uint8_t data_start;
1052#endif
1053
1057 unsigned data_len;
1058 unsigned capacity;
1059 unsigned char buf[1];
1060} TDSPACKET;
1061
1062#if ENABLE_ODBC_MARS
1063#define tds_packet_zero_data_start(pkt) do { (pkt)->data_start = 0; } while(0)
1064#define tds_packet_get_data_start(pkt) ((pkt)->data_start)
1065#else
1066#define tds_packet_zero_data_start(pkt) do { } while(0)
1067#define tds_packet_get_data_start(pkt) 0
1068#endif
1069
1070 typedef struct tds_poll_wakeup
1071{
1072 TDS_SYS_SOCKET s_signal, s_signaled;
1073} TDSPOLLWAKEUP;
1074
1075/* field related to connection */
1076 struct tds_connection
1077{
1078 TDS_USMALLINT tds_version;
1079 TDS_UINT product_version;
1080 char *product_name;
1081
1082 TDS_SYS_SOCKET s;
1083 TDSPOLLWAKEUP wakeup;
1084 const TDSCONTEXT *tds_ctx;
1085
1087 TDSENV env;
1088
1093 TDSCURSOR *cursors;
1098 TDSDYNAMIC *dyns;
1099
1100 int char_conv_count;
1101 TDSICONV **char_convs;
1102
1103 TDS_UCHAR collation[5];
1104 TDS_UCHAR tds72_transaction[8];
1105
1106 TDS_CAPABILITIES capabilities;
1107 unsigned int use_iconv:1;
1108 unsigned int tds71rev1:1;
1109 unsigned int pending_close:1;
1110 unsigned int encrypt_single_packet:1;
1111#if ENABLE_ODBC_MARS
1112 unsigned int mars:1;
1113
1114 TDSSOCKET *in_net_tds;
1115 TDSPACKET *packets;
1116 TDSPACKET *recv_packet;
1117 TDSPACKET *send_packets;
1118 unsigned send_pos, recv_pos;
1119
1120#define BUSY_SOCKET ((TDSSOCKET*)(TDS_UINTPTR)1)
1121#define TDSSOCKET_VALID(tds) (((TDS_UINTPTR)(tds)) > 1)
1122 struct tds_socket **sessions;
1123 unsigned num_sessions;
1124#endif
1125 tds_mutex list_mtx;
1126
1127 unsigned num_cached_packets;
1128 TDSPACKET *packet_cache;
1129
1130 int spid;
1131 int client_spid;
1132
1137 uint8_t ncharsize;
1138
1144 uint8_t unicharsize;
1145
1146 void *tls_session;
1147#if defined(HAVE_GNUTLS)
1148 void *tls_credentials;
1149#elif defined(HAVE_OPENSSL)
1150 void *tls_ctx;
1151#else
1152 void *tls_dummy;
1153#endif
1154 TDSAUTHENTICATION *authentication;
1155 char *server;
1156};
1157
1161 struct tds_socket
1162{
1163#if ENABLE_ODBC_MARS
1164 TDSCONNECTION *conn;
1165#else
1166 TDSCONNECTION conn[1];
1167#endif
1168
1169 void *parent;
1170
1176 unsigned char *in_buf;
1177
1184 unsigned char *out_buf;
1185
1190 unsigned int out_buf_max;
1191 unsigned in_pos;
1192 unsigned out_pos;
1193 unsigned in_len;
1194 unsigned char in_flag;
1195 unsigned char out_flag;
1197 unsigned frozen;
1202 TDSPACKET *frozen_packets;
1203
1204#if ENABLE_ODBC_MARS
1209 uint16_t sid;
1210
1215 tds_condition packet_cond;
1216
1221 TDSPACKET *sending_packet;
1222 TDS_UINT recv_seq;
1223 TDS_UINT send_seq;
1224 TDS_UINT recv_wnd;
1225 TDS_UINT send_wnd;
1226#endif
1227 /* packet we received */
1228 TDSPACKET *recv_packet;
1230 TDSPACKET *send_packet;
1231
1237 TDSRESULTINFO *current_results;
1238 TDSRESULTINFO *res_info;
1239 TDS_UINT num_comp_info;
1240 TDSCOMPUTEINFO **comp_info;
1241 TDSPARAMINFO *param_info;
1242 TDSCURSOR *cur_cursor;
1243 bool bulk_query;
1244 bool has_status;
1245 bool in_row;
1246 volatile
1247 unsigned char in_cancel;
1249 TDS_INT ret_status;
1250 TDS_STATE state;
1251
1252 TDS_INT query_timeout;
1253 TDS_INT8 rows_affected;
1255 TDSDYNAMIC *cur_dyn;
1257 TDSLOGIN *login;
1259 void (*env_chg_func) (TDSSOCKET * tds, int type, char *oldval, char *newval);
1260 TDS_OPERATION current_op;
1261
1262 int option_value;
1263 tds_mutex wire_mtx;
1264};
1265
1266#define tds_get_ctx(tds) ((tds)->conn->tds_ctx)
1267#define tds_set_ctx(tds, val) do { ((tds)->conn->tds_ctx) = (val); } while(0)
1268#define tds_get_parent(tds) ((tds)->parent)
1269#define tds_set_parent(tds, val) do { ((tds)->parent) = (val); } while(0)
1270#define tds_get_s(tds) ((tds)->conn->s)
1271#define tds_set_s(tds, val) do { ((tds)->conn->s) = (val); } while(0)
1272
1273 typedef struct tds_tvp_row
1274{
1275 TDSPARAMINFO *params;
1276 struct tds_tvp_row *next;
1277} TDS_TVP_ROW;
1278
1279 typedef struct tds_tvp
1280{
1281 char *schema;
1282 char *name;
1283 TDSPARAMINFO *metadata;
1284 TDS_TVP_ROW *row;
1285} TDS_TVP;
1286
1287
1288/* config.c */
1289 const TDS_COMPILETIME_SETTINGS *tds_get_compiletime_settings(void);
1290 typedef bool (*TDSCONFPARSE) (const char *option, const char *value, void *param);
1291 bool tds_read_conf_section(FILE * in, const char *section, TDSCONFPARSE tds_conf_parse, void *parse_param);
1292 bool tds_read_conf_file(TDSLOGIN * login, const char *server);
1293 bool tds_parse_conf_section(const char *option, const char *value, void *param);
1294 TDSLOGIN *tds_read_config_info(TDSSOCKET * tds, TDSLOGIN * login, TDSLOCALE * locale);
1295 void tds_fix_login(TDSLOGIN* login);
1296TDS_USMALLINT * tds_config_verstr(const char *tdsver, TDSLOGIN* login);
1297 struct addrinfo *tds_lookup_host(const char *servername);
1298TDSRET tds_lookup_host_set(const char *servername, struct addrinfo **addr);
1299 const char *tds_addrinfo2str(struct addrinfo *addr, char *name, int namemax);
1300
1301TDSRET tds_set_interfaces_file_loc(const char *interfloc);
1302 extern const char STD_DATETIME_FMT[];
1303 int tds_parse_boolean(const char *value, int default_value);
1304 int tds_config_boolean(const char *option, const char *value, TDSLOGIN * login);
1305
1306 TDSLOCALE *tds_get_locale(void);
1307TDSRET tds_alloc_row(TDSRESULTINFO * res_info);
1308TDSRET tds_alloc_compute_row(TDSCOMPUTEINFO * res_info);
1309 BCPCOLDATA * tds_alloc_bcp_column_data(unsigned int column_size);
1310 TDSDYNAMIC *tds_lookup_dynamic(TDSCONNECTION * conn, const char *id);
1311/*@observer@*/ const char *tds_prtype(int token);
1312 int tds_get_varint_size(TDSCONNECTION * conn, int datatype);
1313TDS_SERVER_TYPE tds_get_cardinal_type(TDS_SERVER_TYPE datatype, int usertype);
1314TDSRET tds8_adjust_login(TDSLOGIN *login);
1315
1316
1317/* iconv.c */
1318TDSRET tds_iconv_open(TDSCONNECTION * conn, const char *charset, int use_utf16);
1319 void tds_iconv_close(TDSCONNECTION * conn);
1320 void tds_srv_charset_changed(TDSCONNECTION * conn, const char *charset);
1321 void tds7_srv_charset_changed(TDSCONNECTION * conn, TDS_UCHAR collate[5]);
1322 int tds_iconv_alloc(TDSCONNECTION * conn);
1323 void tds_iconv_free(TDSCONNECTION * conn);
1324 TDSICONV *tds_iconv_from_collate(TDSCONNECTION * conn, TDS_UCHAR collate[5]);
1325
1326
1327/* mem.c */
1328 void tds_free_socket(TDSSOCKET * tds);
1329 void tds_free_all_results(TDSSOCKET * tds);
1330 void tds_free_results(TDSRESULTINFO * res_info);
1331 void tds_free_param_results(TDSPARAMINFO * param_info);
1332 void tds_free_param_result(TDSPARAMINFO * param_info);
1333 void tds_free_msg(TDSMESSAGE * message);
1334 void tds_cursor_deallocated(TDSCONNECTION *conn, TDSCURSOR *cursor);
1335 void tds_release_cursor(TDSCURSOR **pcursor);
1336 void tds_free_bcp_column_data(BCPCOLDATA * coldata);
1337 TDSRESULTINFO *tds_alloc_results(TDS_USMALLINT num_cols);
1338 TDSCOMPUTEINFO **tds_alloc_compute_results(TDSSOCKET * tds, TDS_USMALLINT num_cols, TDS_USMALLINT by_cols);
1339 TDSCONTEXT *tds_alloc_context(void * parent);
1340 void tds_free_context(TDSCONTEXT * locale);
1341 TDSPARAMINFO *tds_alloc_param_result(TDSPARAMINFO * old_param);
1342 void tds_free_input_params(TDSDYNAMIC * dyn);
1343 void tds_release_dynamic(TDSDYNAMIC ** dyn);
1344 inline static void
1345tds_release_cur_dyn(TDSSOCKET * tds)
1346{
1347 tds_release_dynamic(&tds->cur_dyn);
1348}
1349 void tds_dynamic_deallocated(TDSCONNECTION *conn, TDSDYNAMIC *dyn);
1350 void tds_set_cur_dyn(TDSSOCKET *tds, TDSDYNAMIC *dyn);
1351 TDSSOCKET *tds_realloc_socket(TDSSOCKET * tds, size_t bufsize);
1352 char *tds_alloc_client_sqlstate(int msgno);
1353 char *tds_alloc_lookup_sqlstate(TDSSOCKET * tds, int msgno);
1354 TDSLOGIN *tds_alloc_login(bool use_environment);
1355 TDSDYNAMIC *tds_alloc_dynamic(TDSCONNECTION * conn, const char *id);
1356 void tds_free_login(TDSLOGIN * login);
1357 TDSLOGIN *tds_init_login(TDSLOGIN * login, TDSLOCALE * locale);
1358 TDSLOCALE *tds_alloc_locale(void);
1359 void *tds_alloc_param_data(TDSCOLUMN * curparam);
1360 void tds_free_locale(TDSLOCALE * locale);
1361 TDSCURSOR * tds_alloc_cursor(TDSSOCKET * tds, const char *name, TDS_INT namelen, const char *query, TDS_INT querylen);
1362 void tds_free_row(TDSRESULTINFO * res_info, unsigned char *row);
1363 TDSSOCKET *tds_alloc_socket(TDSCONTEXT * context, unsigned int bufsize);
1364 TDSSOCKET *tds_alloc_additional_socket(TDSCONNECTION *conn);
1365 void tds_set_current_results(TDSSOCKET *tds, TDSRESULTINFO *info);
1366 void tds_detach_results(TDSRESULTINFO *info);
1367 void * tds_realloc(void **pp, size_t new_size);
1368#define TDS_RESIZE(p, n_elem) \
1369 tds_realloc((void **) &(p), sizeof(*(p)) * (size_t) (n_elem))
1370
1371 TDSPACKET *tds_alloc_packet(void *buf, unsigned len);
1372 TDSPACKET *tds_realloc_packet(TDSPACKET *packet, unsigned len);
1373 void tds_free_packets(TDSPACKET *packet);
1374 TDSBCPINFO *tds_alloc_bcpinfo(void);
1375 void tds_free_bcpinfo(TDSBCPINFO *bcpinfo);
1376 void tds_deinit_bcpinfo(TDSBCPINFO *bcpinfo);
1377 void tds_deinit_tvp(TDS_TVP *table);
1378
1379
1380/* login.c */
1381 void tds_set_packet(TDSLOGIN * tds_login, int packet_size);
1382 void tds_set_port(TDSLOGIN * tds_login, int port);
1383 bool tds_set_passwd(TDSLOGIN * tds_login, const char *password) TDS_WUR;
1384 void tds_set_bulk(TDSLOGIN * tds_login, bool enabled);
1385 bool tds_set_user(TDSLOGIN * tds_login, const char *username) TDS_WUR;
1386 bool tds_set_app(TDSLOGIN * tds_login, const char *application) TDS_WUR;
1387 bool tds_set_host(TDSLOGIN * tds_login, const char *hostname) TDS_WUR;
1388 bool tds_set_library(TDSLOGIN * tds_login, const char *library) TDS_WUR;
1389 bool tds_set_server(TDSLOGIN * tds_login, const char *server) TDS_WUR;
1390 bool tds_set_client_charset(TDSLOGIN * tds_login, const char *charset) TDS_WUR;
1391 bool tds_set_language(TDSLOGIN * tds_login, const char *language) TDS_WUR;
1392 void tds_set_version(TDSLOGIN * tds_login, TDS_TINYINT major_ver, TDS_TINYINT minor_ver);
1393TDSRET tds_connect_and_login(TDSSOCKET * tds, TDSLOGIN * login);
1394
1395
1396/* query.c */
1397 void tds_start_query(TDSSOCKET *tds, unsigned char packet_type);
1398
1399TDSRET tds_submit_query(TDSSOCKET * tds, const char *query);
1400TDSRET tds_submit_query_params(TDSSOCKET * tds, const char *query, TDSPARAMINFO * params, TDSHEADERS * head);
1401TDSRET tds_submit_queryf(TDSSOCKET * tds, const char *queryf, ...);
1402TDSRET tds_submit_prepare(TDSSOCKET * tds, const char *query, const char *id, TDSDYNAMIC ** dyn_out, TDSPARAMINFO * params);
1403TDSRET tds_submit_execdirect(TDSSOCKET * tds, const char *query, TDSPARAMINFO * params, TDSHEADERS * head);
1404TDSRET tds71_submit_prepexec(TDSSOCKET * tds, const char *query, const char *id, TDSDYNAMIC ** dyn_out, TDSPARAMINFO * params);
1405TDSRET tds_submit_execute(TDSSOCKET * tds, TDSDYNAMIC * dyn);
1406TDSRET tds_send_cancel(TDSSOCKET * tds);
1407 const char *tds_next_placeholder(const char *start);
1408 int tds_count_placeholders(const char *query);
1409 int tds_needs_unprepare(TDSCONNECTION * conn, TDSDYNAMIC * dyn);
1410TDSRET tds_deferred_unprepare(TDSCONNECTION * conn, TDSDYNAMIC * dyn);
1411TDSRET tds_submit_unprepare(TDSSOCKET * tds, TDSDYNAMIC * dyn);
1412TDSRET tds_submit_rpc(TDSSOCKET * tds, const char *rpc_name, TDSPARAMINFO * params, TDSHEADERS * head);
1413TDSRET tds_submit_optioncmd(TDSSOCKET * tds, TDS_OPTION_CMD command, TDS_OPTION option, TDS_OPTION_ARG *param, TDS_INT param_size);
1414TDSRET tds_submit_begin_tran(TDSSOCKET *tds);
1415TDSRET tds_submit_rollback(TDSSOCKET *tds, bool cont);
1416TDSRET tds_submit_commit(TDSSOCKET *tds, bool cont);
1417TDSRET tds_disconnect(TDSSOCKET * tds);
1418 size_t tds_quote_id(TDSSOCKET * tds, char *buffer, const char *id, int idlen);
1419 size_t tds_quote_id_rpc(TDSSOCKET * tds, char *buffer, const char *id, int idlen);
1420 size_t tds_quote_string(TDSSOCKET * tds, char *buffer, const char *str, int len);
1421 const char *tds_skip_comment(const char *s);
1422 const char *tds_skip_quoted(const char *s);
1423 size_t tds_fix_column_size(TDSSOCKET * tds, TDSCOLUMN * curcol);
1424 const char *tds_convert_string(TDSSOCKET * tds, TDSICONV * char_conv, const char *s, int len, size_t *out_len);
1425 void tds_convert_string_free(const char *original, const char *converted);
1426#if !ENABLE_EXTRA_CHECKS
1427#define tds_convert_string_free(original, converted) \
1428 do { if (original != converted) free((char*) converted); } while(0)
1429#endif
1430TDSRET tds_get_column_declaration(TDSSOCKET * tds, TDSCOLUMN * curcol, char *out);
1431
1432TDSRET tds_cursor_declare(TDSSOCKET * tds, TDSCURSOR * cursor, bool *send);
1433TDSRET tds_cursor_setrows(TDSSOCKET * tds, TDSCURSOR * cursor, bool *send);
1434TDSRET tds_cursor_open(TDSSOCKET * tds, TDSCURSOR * cursor, TDSPARAMINFO *params, bool *send);
1435TDSRET tds_cursor_fetch(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_CURSOR_FETCH fetch_type, TDS_INT i_row);
1436TDSRET tds_cursor_get_cursor_info(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_UINT * row_number, TDS_UINT * row_count);
1437TDSRET tds_cursor_close(TDSSOCKET * tds, TDSCURSOR * cursor);
1438TDSRET tds_cursor_dealloc(TDSSOCKET * tds, TDSCURSOR * cursor);
1439TDSRET tds_deferred_cursor_dealloc(TDSCONNECTION *conn, TDSCURSOR * cursor);
1440TDSRET tds_cursor_update(TDSSOCKET * tds, TDSCURSOR * cursor, TDS_CURSOR_OPERATION op, TDS_INT i_row, TDSPARAMINFO * params);
1441TDSRET tds_cursor_setname(TDSSOCKET * tds, TDSCURSOR * cursor);
1442
1443TDSRET tds_multiple_init(TDSSOCKET *tds, TDSMULTIPLE *multiple, TDS_MULTIPLE_TYPE type, TDSHEADERS * head);
1444TDSRET tds_multiple_done(TDSSOCKET *tds, TDSMULTIPLE *multiple);
1445TDSRET tds_multiple_query(TDSSOCKET *tds, TDSMULTIPLE *multiple, const char *query, TDSPARAMINFO * params);
1446TDSRET tds_multiple_execute(TDSSOCKET *tds, TDSMULTIPLE *multiple, TDSDYNAMIC * dyn);
1447
1448
1449/* token.c */
1450TDSRET tds_process_cancel(TDSSOCKET * tds);
1451TDSRET tds_process_login_tokens(TDSSOCKET * tds);
1452TDSRET tds_process_simple_query(TDSSOCKET * tds);
1453 int tds5_send_optioncmd(TDSSOCKET * tds, TDS_OPTION_CMD tds_command, TDS_OPTION tds_option, TDS_OPTION_ARG * tds_argument,
1454 TDS_INT * tds_argsize);
1455TDSRET tds_process_tokens(TDSSOCKET * tds, /*@out@*/ TDS_INT * result_type, /*@out@*/ int *done_flags, unsigned flag);
1456
1457
1458/* data.c */
1459 void tds_set_param_type(TDSCONNECTION * conn, TDSCOLUMN * curcol, TDS_SERVER_TYPE type);
1460 void tds_set_column_type(TDSCONNECTION * conn, TDSCOLUMN * curcol, TDS_SERVER_TYPE type);
1461#ifdef WORDS_BIGENDIAN
1462 void tds_swap_datatype(int coltype, void *b);
1463#endif
1464
1465
1466/* tds_convert.c */
1467TDSRET tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC * dr);
1468TDS_SERVER_TYPE tds_get_conversion_type(TDS_SERVER_TYPE srctype, int colsize);
1469 extern const char tds_hex_digits[];
1470
1471
1472/* write.c */
1473 int tds_init_write_buf(TDSSOCKET * tds);
1474 int tds_put_n(TDSSOCKET * tds, const void *buf, size_t n);
1475 int tds_put_string(TDSSOCKET * tds, const char *buf, int len);
1476 int tds_put_int(TDSSOCKET * tds, TDS_INT i);
1477 int tds_put_int8(TDSSOCKET * tds, TDS_INT8 i);
1478 int tds_put_smallint(TDSSOCKET * tds, TDS_SMALLINT si);
1480#define tds_put_tinyint(tds, ti) tds_put_byte(tds,ti)
1481 int tds_put_byte(TDSSOCKET * tds, unsigned char c);
1482TDSRET tds_flush_packet(TDSSOCKET * tds);
1483 int tds_put_buf(TDSSOCKET * tds, const unsigned char *buf, int dsize, int ssize);
1484
1485
1486/* read.c */
1487 unsigned char tds_get_byte(TDSSOCKET * tds);
1488 void tds_unget_byte(TDSSOCKET * tds);
1489 unsigned char tds_peek(TDSSOCKET * tds);
1490TDS_USMALLINT tds_get_usmallint(TDSSOCKET * tds);
1491#define tds_get_smallint(tds) ((TDS_SMALLINT) tds_get_usmallint(tds))
1492TDS_UINT tds_get_uint(TDSSOCKET * tds);
1493#define tds_get_int(tds) ((TDS_INT) tds_get_uint(tds))
1494TDS_UINT8 tds_get_uint8(TDSSOCKET * tds);
1495#define tds_get_int8(tds) ((TDS_INT8) tds_get_uint8(tds))
1496 size_t tds_get_string(TDSSOCKET * tds, size_t string_len, char *dest, size_t dest_size);
1497TDSRET tds_get_char_data(TDSSOCKET * tds, char *dest, size_t wire_size, TDSCOLUMN * curcol);
1498 bool tds_get_n(TDSSOCKET * tds, /*@out@*/ /*@null@*/ void *dest, size_t n);
1499 int tds_get_size_by_type(TDS_SERVER_TYPE servertype);
1500 DSTR* tds_dstr_get(TDSSOCKET * tds, DSTR * s, size_t len);
1501
1502
1503/* util.c */
1504 int tdserror (const TDSCONTEXT * tds_ctx, TDSSOCKET * tds, int msgno, int errnum);
1505 TDS_STATE tds_set_state(TDSSOCKET * tds, TDS_STATE state);
1506 void tds_swap_bytes(void *buf, int bytes);
1507 unsigned int tds_gettime_ms(void);
1508
1509
1510/* log.c */
1511 typedef struct tdsdump_off_item {
1512 struct tdsdump_off_item *next;
1513 tds_thread_id thread_id;
1514} TDSDUMP_OFF_ITEM;
1515 void tdsdump_off(TDSDUMP_OFF_ITEM *off_item);
1516 void tdsdump_on(TDSDUMP_OFF_ITEM *off_item);
1517 int tdsdump_isopen(void);
1518#include <freetds/popvis.h>
1519 int tdsdump_open(const tds_dir_char *filename);
1520#include <freetds/pushvis.h>
1521 void tdsdump_close(void);
1522 void tdsdump_dump_buf(const char* file, unsigned int level_line, const char *msg, const void *buf, size_t length);
1523 void tdsdump_col(const TDSCOLUMN *col);
1524#undef tdsdump_log
1525 void tdsdump_log(const char* file, unsigned int level_line, const char *fmt, ...)
1526#if defined(__GNUC__) && __GNUC__ >= 2
1527#if defined(__MINGW32__)
1528 __attribute__ ((__format__ (ms_printf, 3, 4)))
1529#else
1530 __attribute__ ((__format__ (__printf__, 3, 4)))
1531#endif
1532#endif
1533;
1534#define TDSDUMP_LOG_FAST if (TDS_UNLIKELY(tds_write_dump)) tdsdump_log
1535#define tdsdump_log TDSDUMP_LOG_FAST
1536#define TDSDUMP_BUF_FAST if (TDS_UNLIKELY(tds_write_dump)) tdsdump_dump_buf
1537#define tdsdump_dump_buf TDSDUMP_BUF_FAST
1538
1539 extern bool tds_write_dump;
1540 extern int tds_debug_flags;
1541 extern int tds_append_mode;
1542
1543
1544/* net.c */
1545TDSERRNO tds_open_socket(TDSSOCKET * tds, struct addrinfo *ipaddr, unsigned int port, int timeout, int *p_oserr);
1546 void tds_close_socket(TDSSOCKET * tds);
1547 int tds7_get_instance_ports(FILE *output, struct addrinfo *addr);
1548 int tds7_get_instance_port(struct addrinfo *addr, const char *instance);
1549 char *tds_prwsaerror(int erc);
1550 void tds_prwsaerror_free(char *s);
1551 int tds_connection_read(TDSSOCKET * tds, unsigned char *buf, int buflen);
1552 int tds_connection_write(TDSSOCKET *tds, const unsigned char *buf, int buflen, int final);
1553#define TDSSELREAD POLLIN
1554#define TDSSELWRITE POLLOUT
1555 int tds_select(TDSSOCKET * tds, unsigned tds_sel, int timeout_seconds);
1556 void tds_connection_close(TDSCONNECTION *conn);
1557 int tds_goodread(TDSSOCKET * tds, unsigned char *buf, int buflen);
1558 int tds_goodwrite(TDSSOCKET * tds, const unsigned char *buffer, size_t buflen);
1559 void tds_socket_flush(TDS_SYS_SOCKET sock);
1560 int tds_socket_set_nonblocking(TDS_SYS_SOCKET sock);
1561 int tds_wakeup_init(TDSPOLLWAKEUP *wakeup);
1562 void tds_wakeup_close(TDSPOLLWAKEUP *wakeup);
1563 void tds_wakeup_send(TDSPOLLWAKEUP *wakeup, char cancel);
1564 inline static TDS_SYS_SOCKET
1565tds_wakeup_get_fd(const TDSPOLLWAKEUP *wakeup)
1566{
1567 return wakeup->s_signaled;
1568}
1569
1570
1571/* packet.c */
1572 int tds_read_packet(TDSSOCKET * tds);
1573TDSRET tds_write_packet(TDSSOCKET * tds, unsigned char final);
1574#if ENABLE_ODBC_MARS
1575 int tds_append_cancel(TDSSOCKET *tds);
1576TDSRET tds_append_syn(TDSSOCKET *tds);
1577TDSRET tds_append_fin(TDSSOCKET *tds);
1578#else
1579 int tds_put_cancel(TDSSOCKET * tds);
1580#endif
1581
1582 typedef struct tds_freeze {
1584 TDSSOCKET *tds;
1586 TDSPACKET *pkt;
1588 unsigned pkt_pos;
1590 unsigned size_len;
1591} TDSFREEZE;
1592
1593 void tds_freeze(TDSSOCKET *tds, TDSFREEZE *freeze, unsigned size_len);
1594 size_t tds_freeze_written(TDSFREEZE *freeze);
1595TDSRET tds_freeze_abort(TDSFREEZE *freeze);
1596TDSRET tds_freeze_close(TDSFREEZE *freeze);
1597TDSRET tds_freeze_close_string(TDSFREEZE *freeze);
1598TDSRET tds_freeze_close_len(TDSFREEZE *freeze, int32_t size);
1599
1600 inline static void
1601tds_set_current_send_packet(TDSSOCKET *tds, TDSPACKET *pkt)
1602{
1603 tds->send_packet = pkt;
1604 tds->out_buf = pkt->buf + tds_packet_get_data_start(pkt);
1605}
1606
1607/* Macros to allow some indentation of the packets.
1608 *
1609 * The 3 nested fake loops require some explanation:
1610 * - first is to allows to declare variables;
1611 * - second is to force using brackets;
1612 * - third is to avoids that a break inside will skip the close.
1613 */
1614#define TDS_START_LEN_GENERIC(tds_socket, len) do { \
1615 TDSFREEZE current_freeze[1]; \
1616 tds_freeze((tds_socket), current_freeze, (len)); do { do
1617#define TDS_END_LEN while(0); } while(tds_freeze_close(current_freeze), 0); } while(0);
1618#define TDS_END_LEN_STRING while(0); } while(tds_freeze_close_string(current_freeze), 0); } while(0);
1619
1620#define TDS_START_LEN_TINYINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 1)
1621#define TDS_START_LEN_USMALLINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 2)
1622#define TDS_START_LEN_UINT(tds_socket) TDS_START_LEN_GENERIC(tds_socket, 4)
1623
1624/* vstrbuild.c */
1625TDSRET tds_vstrbuild(char *buffer, int buflen, int *resultlen, const char *text, int textlen, const char *formats, int formatlen,
1626 va_list ap);
1627
1628
1629/* numeric.c */
1630 char *tds_money_to_string(const TDS_MONEY * money, char *s, bool use_2_digits);
1631TDS_INT tds_numeric_to_string(const TDS_NUMERIC * numeric, char *s);
1632TDS_INT tds_numeric_change_prec_scale(TDS_NUMERIC * numeric, unsigned char new_prec, unsigned char new_scale);
1633
1634
1635/* getmac.c */
1636 void tds_getmac(TDS_SYS_SOCKET s, unsigned char mac[6]);
1637
1638
1639/* challenge.c */
1640#ifndef HAVE_SSPI
1641 TDSAUTHENTICATION * tds_ntlm_get_auth(TDSSOCKET * tds);
1642 TDSAUTHENTICATION * tds_gss_get_auth(TDSSOCKET * tds);
1643#else
1644 TDSAUTHENTICATION * tds_sspi_get_auth(TDSSOCKET * tds);
1645#endif
1646TDSRET tds5_gss_send(TDSSOCKET *tds);
1647
1648
1649/* random.c */
1650 void tds_random_buffer(unsigned char *out, int len);
1651
1652
1653/* sec_negotiate.c */
1654 TDSAUTHENTICATION * tds5_negotiate_get_auth(TDSSOCKET * tds);
1655 inline static void
1656tds5_negotiate_set_msg_type(TDSAUTHENTICATION * tds_auth, unsigned msg_type)
1657{
1658 if (tds_auth)
1659 tds_auth->msg_type = msg_type;
1660}
1661
1662
1663/* bulk.c */
1664
1666 enum tds_bcp_directions
1667{
1668 TDS_BCP_IN = 1,
1669 TDS_BCP_OUT = 2,
1670 TDS_BCP_QUERYOUT = 3
1671};
1672
1673 typedef struct tds5_colinfo
1674{
1675 TDS_TINYINT type;
1676 TDS_TINYINT status;
1677 TDS_SMALLINT offset;
1678 TDS_INT length;
1679} TDS5COLINFO;
1680
1681 struct tds_bcpinfo
1682{
1683 void *parent;
1684 DSTR hint;
1685 DSTR tablename;
1686 TDS_CHAR *insert_stmt;
1687 TDS_INT direction;
1688 bool identity_insert_on;
1689 bool xfer_init;
1690 TDS_INT bind_count;
1691 TDSRESULTINFO *bindinfo;
1692 TDS5COLINFO *sybase_colinfo;
1693 TDS_INT sybase_count;
1694};
1695
1696TDSRET tds_bcp_init(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1697 typedef TDSRET (*tds_bcp_get_col_data) (TDSBCPINFO *bulk, TDSCOLUMN *bcpcol, int offset);
1698 typedef void (*tds_bcp_null_error) (TDSBCPINFO *bulk, int index, int offset);
1699TDSRET tds_bcp_send_record(TDSSOCKET *tds, TDSBCPINFO *bcpinfo, tds_bcp_get_col_data get_col_data, tds_bcp_null_error null_error, int offset);
1700TDSRET tds_bcp_done(TDSSOCKET *tds, int *rows_copied);
1701TDSRET tds_bcp_start(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1702TDSRET tds_bcp_start_copy_in(TDSSOCKET *tds, TDSBCPINFO *bcpinfo);
1703
1704TDSRET tds_bcp_fread(TDSSOCKET * tds, TDSICONV * conv, FILE * stream,
1705 const char *terminator, size_t term_len, char **outbuf, size_t * outbytes);
1706
1707TDSRET tds_writetext_start(TDSSOCKET *tds, const char *objname, const char *textptr, const char *timestamp, int with_log, TDS_UINT size);
1708TDSRET tds_writetext_continue(TDSSOCKET *tds, const TDS_UCHAR *text, TDS_UINT size);
1709TDSRET tds_writetext_end(TDSSOCKET *tds);
1710
1711
1712 inline static bool
1713tds_capability_enabled(const TDS_CAPABILITY_TYPE *cap, unsigned cap_num)
1714{
1715 return (cap->values[sizeof(cap->values)-1-(cap_num>>3)] >> (cap_num&7)) & 1;
1716}
1717#define tds_capability_has_req(conn, cap) \
1718 tds_capability_enabled(&conn->capabilities.types[0], cap)
1719#define tds_capability_has_res(conn, cap) \
1720 tds_capability_enabled(&conn->capabilities.types[1], cap)
1721
1722#define IS_TDS42(x) (x->tds_version==0x402)
1723#define IS_TDS46(x) (x->tds_version==0x406)
1724#define IS_TDS50(x) (x->tds_version==0x500)
1725#define IS_TDS70(x) (x->tds_version==0x700)
1726#define IS_TDS71(x) (x->tds_version==0x701)
1727#define IS_TDS72(x) (x->tds_version==0x702)
1728#define IS_TDS73(x) (x->tds_version==0x703)
1729
1730#define IS_TDS50_PLUS(x) ((x)->tds_version>=0x500)
1731#define IS_TDS7_PLUS(x) ((x)->tds_version>=0x700)
1732#define IS_TDS71_PLUS(x) ((x)->tds_version>=0x701)
1733#define IS_TDS72_PLUS(x) ((x)->tds_version>=0x702)
1734#define IS_TDS73_PLUS(x) ((x)->tds_version>=0x703)
1735#define IS_TDS74_PLUS(x) ((x)->tds_version>=0x704)
1736#define IS_TDS80_PLUS(x) ((x)->tds_version>=0x800)
1737
1738#define TDS_MAJOR(x) ((x)->tds_version >> 8)
1739#define TDS_MINOR(x) ((x)->tds_version & 0xff)
1740
1741#define IS_TDSDEAD(x) (((x) == NULL) || (x)->state == TDS_DEAD)
1742
1744#define TDS_IS_SYBASE(x) (!((x)->conn->product_version & 0x80000000u))
1746#define TDS_IS_MSSQL(x) (((x)->conn->product_version & 0x80000000u)!=0)
1747
1751#define TDS_MS_VER(maj,min,x) (0x80000000u|((maj)<<24)|((min)<<16)|(x))
1752
1753/* TODO test if not similar to ms one*/
1755#define TDS_SYB_VER(maj,min,x) (((maj)<<24)|((min)<<16)|(x)<<8)
1756
1757#ifdef __cplusplus
1758#if 0
1759{
1760#endif
1761}
1762#endif
1763
1764#include <freetds/popvis.h>
1765
1766#define TDS_PUT_INT(tds,v) tds_put_int((tds), ((TDS_INT)(v)))
1767#define TDS_PUT_SMALLINT(tds,v) tds_put_smallint((tds), ((TDS_SMALLINT)(v)))
1768#define TDS_PUT_BYTE(tds,v) tds_put_byte((tds), ((unsigned char)(v)))
1769
1770#endif /* _tdsguard_hfOrWb5znoUCWdBPoNQvqN_ */
tds_iconv_alloc
int tds_iconv_alloc(TDSCONNECTION *conn)
Allocate iconv stuff.
Definition iconv.c:311
tds_write_dump
bool tds_write_dump
Tell if TDS debug logging is turned on or off.
Definition log.c:58
tds_get_conversion_type
TDS_SERVER_TYPE tds_get_conversion_type(TDS_SERVER_TYPE srctype, int colsize)
Return type suitable for conversions (convert all nullable types to fixed type)
Definition tds_types.h:125
tds_set_state
TDS_STATE tds_set_state(TDSSOCKET *tds, TDS_STATE state)
Set state of TDS connection, with logging and checking.
Definition util.c:58
TDS_COMPILETIME_SETTINGS
struct tds_compiletime_settings TDS_COMPILETIME_SETTINGS
A structure to hold all the compile-time settings.
TDSRESULTINFO
struct tds_result_info TDSRESULTINFO
Hold information for any results.
TDSVARIANT
struct tds_variant TDSVARIANT
Store variant information.
tdsdump_close
void tdsdump_close(void)
Close the TDS dump log file.
Definition log.c:212
tds_set_column_type
void tds_set_column_type(TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
Set type of column initializing all dependency.
Definition data.c:224
tds_set_server
bool tds_set_server(TDSLOGIN *tds_login, const char *server) TDS_WUR
Set the servername in a TDSLOGIN structure.
Definition login.c:129
TDSDATEREC
struct tdsdaterec TDSDATEREC
Used by tds_datecrack.
tds_get_locale
TDSLOCALE * tds_get_locale(void)
Get locale information.
Definition locale.c:50
TDSENV
struct tds_env TDSENV
Current environment as reported by the server.
TDSBLOB
struct tds_blob TDSBLOB
Information about blobs (e.g.
tds_get_size_by_type
int tds_get_size_by_type(TDS_SERVER_TYPE servertype)
Return the number of bytes needed by specified type.
Definition tds_types.h:9
tds_numeric_bytes_per_prec
const int tds_numeric_bytes_per_prec[]
The following little table is indexed by precision and will tell us the number of bytes required to s...
Definition numeric.c:42
tds_bcp_start_copy_in
TDSRET tds_bcp_start_copy_in(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Start bulk copy to server.
Definition bulk.c:1076
tds_numeric_to_string
TDS_INT tds_numeric_to_string(const TDS_NUMERIC *numeric, char *s)
Definition numeric.c:96
tds_get_varint_size
int tds_get_varint_size(TDSCONNECTION *conn, int datatype)
tds_get_varint_size() returns the size of a variable length integer returned in a result string
Definition tds_types.h:57
tds_writetext_start
TDSRET tds_writetext_start(TDSSOCKET *tds, const char *objname, const char *textptr, const char *timestamp, int with_log, TDS_UINT size)
Start writing writetext request.
Definition bulk.c:1303
tds_bcp_fread
TDSRET tds_bcp_fread(TDSSOCKET *tds, TDSICONV *conv, FILE *stream, const char *terminator, size_t term_len, char **outbuf, size_t *outbytes)
Read a data file, passing the data through iconv().
Definition bulk.c:1234
tds_bcp_start
TDSRET tds_bcp_start(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Start sending BCP data to server.
Definition bulk.c:874
TDSDYNAMIC
struct tds_dynamic TDSDYNAMIC
Holds information for a dynamic (also called prepared) query.
tds_set_param_type
void tds_set_param_type(TDSCONNECTION *conn, TDSCOLUMN *curcol, TDS_SERVER_TYPE type)
Set type of column initializing all dependency.
Definition data.c:246
tds_states
tds_states
values for tds->state
Definition tds.h:774
TDS_PENDING
@ TDS_PENDING
cilent is waiting for data
Definition tds.h:778
TDS_SENDING
@ TDS_SENDING
client would send data
Definition tds.h:777
TDS_READING
@ TDS_READING
client is reading data
Definition tds.h:779
TDS_WRITING
@ TDS_WRITING
client is writing data
Definition tds.h:776
TDS_IDLE
@ TDS_IDLE
no data expected
Definition tds.h:775
TDS_DEAD
@ TDS_DEAD
no connection
Definition tds.h:780
tdsdump_col
void tdsdump_col(const TDSCOLUMN *col)
Write a column value to the debug log.
Definition log.c:455
tds_writetext_continue
TDSRET tds_writetext_continue(TDSSOCKET *tds, const TDS_UCHAR *text, TDS_UINT size)
Send some data in the writetext request started by tds_writetext_start.
Definition bulk.c:1338
tdserror
int tdserror(const TDSCONTEXT *tds_ctx, TDSSOCKET *tds, int msgno, int errnum)
Call the client library's error handler (for library-generated errors only)
Definition util.c:321
TDS_STATE
enum tds_states TDS_STATE
values for tds->state
tds_writetext_end
TDSRET tds_writetext_end(TDSSOCKET *tds)
Finish sending writetext data.
Definition bulk.c:1355
tds_bcp_init
TDSRET tds_bcp_init(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
Initialize BCP information.
Definition bulk.c:86
tds_bcp_directions
tds_bcp_directions
bcp direction
Definition tds.h:1667
tds_bcp_send_record
TDSRET tds_bcp_send_record(TDSSOCKET *tds, TDSBCPINFO *bcpinfo, tds_bcp_get_col_data get_col_data, tds_bcp_null_error null_error, int offset)
Send one row of data to server.
Definition bulk.c:471
tdsdump_open
int tdsdump_open(const tds_dir_char *filename)
Create and truncate a human readable dump file for the TDS traffic.
Definition log.c:131
tds_bcp_done
TDSRET tds_bcp_done(TDSSOCKET *tds, int *rows_copied)
Tell we finished sending BCP data to server.
Definition bulk.c:848
TDS_ENCODING
struct tds_encoding TDS_ENCODING
Information relevant to libiconv.
tdsdump_off
void tdsdump_off(TDSDUMP_OFF_ITEM *off_item)
Temporarily turn off logging for current thread.
Definition log.c:81
tdsdump_on
void tdsdump_on(TDSDUMP_OFF_ITEM *off_item)
Turn logging back on for current thread.
Definition log.c:101
TDSCURSOR
struct tds_cursor TDSCURSOR
Holds information about a cursor.
tds_ntlm_get_auth
TDSAUTHENTICATION * tds_ntlm_get_auth(TDSSOCKET *tds)
Build a NTLMSPP packet to send to server.
Definition challenge.c:721
tds_config_verstr
TDS_USMALLINT * tds_config_verstr(const char *tdsver, TDSLOGIN *login)
Set TDS version from given string.
Definition config.c:950
tds_get_compiletime_settings
const TDS_COMPILETIME_SETTINGS * tds_get_compiletime_settings(void)
Return a structure capturing the compile-time settings provided to the configure script.
Definition config.c:1377
tds_lookup_host
struct addrinfo * tds_lookup_host(const char *servername)
Get the IP address for a hostname.
Definition config.c:1015
tds_read_conf_section
bool tds_read_conf_section(FILE *in, const char *section, TDSCONFPARSE tds_conf_parse, void *parse_param)
Read a section of configuration file (INI style file)
Definition config.c:508
tds_read_conf_file
bool tds_read_conf_file(TDSLOGIN *login, const char *server)
Read configuration info for given server return 0 on error.
Definition config.c:322
tds_set_interfaces_file_loc
TDSRET tds_set_interfaces_file_loc(const char *interfloc)
Set the full name of interface file.
Definition config.c:989
tds8_adjust_login
TDSRET tds8_adjust_login(TDSLOGIN *login)
Make sure proper setting are in place for TDS 8.0.
Definition config.c:1462
tds_read_config_info
TDSLOGIN * tds_read_config_info(TDSSOCKET *tds, TDSLOGIN *login, TDSLOCALE *locale)
tds_read_config_info() will fill the tds connection structure based on configuration information gath...
Definition config.c:138
tds_fix_login
void tds_fix_login(TDSLOGIN *login)
Fix configuration after reading it.
Definition config.c:280
tds_datecrack
TDSRET tds_datecrack(TDS_INT datetype, const void *di, TDSDATEREC *dr)
Convert from db date format to a structured date format.
Definition convert.c:3258
tds_iconv_from_collate
TDSICONV * tds_iconv_from_collate(TDSCONNECTION *conn, TDS_UCHAR collate[5])
Get iconv information from a LCID (to support different column encoding under MSSQL2K)
Definition iconv.c:1249
tds_alloc_row
TDSRET tds_alloc_row(TDSRESULTINFO *res_info)
Allocate space for row store return NULL on out of memory.
Definition mem.c:533
tds_detach_results
void tds_detach_results(TDSRESULTINFO *info)
Detach result info from it current socket.
Definition mem.c:497
tds_alloc_param_result
TDSPARAMINFO * tds_alloc_param_result(TDSPARAMINFO *old_param)
Adds a output parameter to TDSPARAMINFO.
Definition mem.c:284
tds_alloc_param_data
void * tds_alloc_param_data(TDSCOLUMN *curparam)
Allocate data for a parameter.
Definition mem.c:373
tds_init_login
TDSLOGIN * tds_init_login(TDSLOGIN *login, TDSLOCALE *locale)
Initialize login structure with locale information and other stuff for connection.
Definition mem.c:808
tds_free_param_result
void tds_free_param_result(TDSPARAMINFO *param_info)
Delete latest parameter.
Definition mem.c:320
tds_alloc_dynamic
TDSDYNAMIC * tds_alloc_dynamic(TDSCONNECTION *conn, const char *id)
Allocate a dynamic statement.
Definition mem.c:160
tds_realloc
void * tds_realloc(void **pp, size_t new_size)
Reallocate a pointer and update it if success.
Definition mem.c:1896
tds_free_input_params
void tds_free_input_params(TDSDYNAMIC *dyn)
Frees all allocated input parameters of a dynamic statement.
Definition mem.c:206
tds_release_dynamic
void tds_release_dynamic(TDSDYNAMIC **dyn)
Frees dynamic statement.
Definition mem.c:253
tds_needs_unprepare
int tds_needs_unprepare(TDSCONNECTION *conn, TDSDYNAMIC *dyn)
Check if dynamic request must be unprepared.
Definition query.c:1800
tds_skip_quoted
const char * tds_skip_quoted(const char *s)
Skip quoting string (like 'sfsf', "dflkdj" or [dfkjd])
Definition query.c:517
tds71_submit_prepexec
TDSRET tds71_submit_prepexec(TDSSOCKET *tds, const char *query, const char *id, TDSDYNAMIC **dyn_out, TDSPARAMINFO *params)
Creates a temporary stored procedure in the server and execute it.
Definition query.c:1453
tds_start_query
void tds_start_query(TDSSOCKET *tds, unsigned char packet_type)
Start query packet of a given type.
Definition query.c:334
tds_send_cancel
TDSRET tds_send_cancel(TDSSOCKET *tds)
tds_send_cancel() sends an empty packet (8 byte header only) tds_process_cancel should be called dire...
Definition query.c:2069
tds_submit_execute
TDSRET tds_submit_execute(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Sends a previously prepared dynamic statement to the server.
Definition query.c:1678
tds_quote_string
size_t tds_quote_string(TDSSOCKET *tds TDS_UNUSED, char *buffer, const char *str, int len)
Quote a string.
Definition query.c:2281
tds_get_column_declaration
TDSRET tds_get_column_declaration(TDSSOCKET *tds, TDSCOLUMN *curcol, char *out)
Return declaration for column (like "varchar(20)").
Definition query.c:740
tds_deferred_cursor_dealloc
TDSRET tds_deferred_cursor_dealloc(TDSCONNECTION *conn, TDSCURSOR *cursor)
Deallocate cursor on idle.
Definition query.c:3097
tds_submit_query
TDSRET tds_submit_query(TDSSOCKET *tds, const char *query)
Sends a language string to the database server for processing.
Definition query.c:212
tds_submit_rpc
TDSRET tds_submit_rpc(TDSSOCKET *tds, const char *rpc_name, TDSPARAMINFO *params, TDSHEADERS *head)
Calls a RPC from server.
Definition query.c:1977
tds_quote_id_rpc
size_t tds_quote_id_rpc(TDSSOCKET *tds, char *buffer, const char *id, int idlen)
Quote an id for a RPC call.
Definition query.c:2256
tds_submit_prepare
TDSRET tds_submit_prepare(TDSSOCKET *tds, const char *query, const char *id, TDSDYNAMIC **dyn_out, TDSPARAMINFO *params)
Creates a temporary stored procedure in the server.
Definition query.c:1176
tds_fix_column_size
size_t tds_fix_column_size(TDSSOCKET *tds TDS_UNUSED, TDSCOLUMN *curcol)
Get column size for wire.
Definition query.c:1543
tds_submit_begin_tran
TDSRET tds_submit_begin_tran(TDSSOCKET *tds)
Send a rollback request.
Definition query.c:3705
tds_submit_commit
TDSRET tds_submit_commit(TDSSOCKET *tds, bool cont)
Send a commit request.
Definition query.c:3764
tds_submit_rollback
TDSRET tds_submit_rollback(TDSSOCKET *tds, bool cont)
Send a rollback request.
Definition query.c:3733
tds_quote_id
size_t tds_quote_id(TDSSOCKET *tds, char *buffer, const char *id, int idlen)
Quote an id.
Definition query.c:2211
tds_next_placeholder
const char * tds_next_placeholder(const char *start)
Get position of next placeholder.
Definition query.c:537
tds_submit_query_params
TDSRET tds_submit_query_params(TDSSOCKET *tds, const char *query, TDSPARAMINFO *params, TDSHEADERS *head)
Sends a language string to the database server for processing.
Definition query.c:352
tds_deferred_unprepare
TDSRET tds_deferred_unprepare(TDSCONNECTION *conn, TDSDYNAMIC *dyn)
Unprepare dynamic on idle.
Definition query.c:1822
tds_count_placeholders
int tds_count_placeholders(const char *query)
Count the number of placeholders ('?') in a query.
Definition query.c:573
tds_cursor_dealloc
TDSRET tds_cursor_dealloc(TDSSOCKET *tds, TDSCURSOR *cursor)
Send a deallocation request to server.
Definition query.c:3046
tds_skip_comment
const char * tds_skip_comment(const char *s)
Skip a comment in a query.
Definition query.c:492
tds_convert_string
const char * tds_convert_string(TDSSOCKET *tds, TDSICONV *char_conv, const char *s, int len, size_t *out_len)
Convert a string in an allocated buffer.
Definition query.c:126
tds_submit_queryf
TDSRET tds_submit_queryf(TDSSOCKET *tds, const char *queryf,...)
Format and submit a query.
Definition query.c:469
tds_submit_execdirect
TDSRET tds_submit_execdirect(TDSSOCKET *tds, const char *query, TDSPARAMINFO *params, TDSHEADERS *head)
Submit a prepared query with parameters.
Definition query.c:1308
tds_set_cur_dyn
void tds_set_cur_dyn(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Set current dynamic.
Definition query.c:194
tds_submit_optioncmd
TDSRET tds_submit_optioncmd(TDSSOCKET *tds, TDS_OPTION_CMD command, TDS_OPTION option, TDS_OPTION_ARG *param, TDS_INT param_size)
Send option commands to server.
Definition query.c:3429
tds_submit_unprepare
TDSRET tds_submit_unprepare(TDSSOCKET *tds, TDSDYNAMIC *dyn)
Send a unprepare request for a prepared query.
Definition query.c:1845
tds_dstr_get
DSTR * tds_dstr_get(TDSSOCKET *tds, DSTR *s, size_t len)
Reads a string from wire and put in a DSTR.
Definition read.c:294
tds_freeze_close_string
TDSRET tds_freeze_close_string(TDSFREEZE *freeze)
Stop keeping data for this specific freeze.
Definition packet.c:1008
tds_get_byte
unsigned char tds_get_byte(TDSSOCKET *tds)
Return a single byte from the input buffer.
Definition read.c:72
tds_put_string
int tds_put_string(TDSSOCKET *tds, const char *buf, int len)
Output a string to wire automatic translate string to unicode if needed.
Definition write.c:97
tds_peek
unsigned char tds_peek(TDSSOCKET *tds)
Reads a byte from the TDS stream without removing it.
Definition read.c:100
tds_freeze_close_len
TDSRET tds_freeze_close_len(TDSFREEZE *freeze, int32_t size)
Stop keeping data for this specific freeze.
Definition packet.c:1046
tds_goodwrite
int tds_goodwrite(TDSSOCKET *tds, const unsigned char *buffer, size_t buflen)
Definition net.c:969
tds_socket_set_nonblocking
int tds_socket_set_nonblocking(TDS_SYS_SOCKET sock)
Set socket to non-blocking.
Definition net.c:145
tds_close_socket
void tds_close_socket(TDSSOCKET *tds)
Close current socket.
Definition net.c:527
tds_read_packet
int tds_read_packet(TDSSOCKET *tds)
Read in one 'packet' from the server.
Definition packet.c:523
tds_freeze_written
size_t tds_freeze_written(TDSFREEZE *freeze)
Compute how many bytes has been written from freeze.
Definition packet.c:931
tds_flush_packet
TDSRET tds_flush_packet(TDSSOCKET *tds)
Flush packet to server.
Definition write.c:224
tds_freeze_close
TDSRET tds_freeze_close(TDSFREEZE *freeze)
Stop keeping data for this specific freeze.
Definition packet.c:992
tds_goodread
int tds_goodread(TDSSOCKET *tds, unsigned char *buf, int buflen)
Loops until we have received some characters return -1 on failure.
Definition net.c:898
tds_freeze_abort
TDSRET tds_freeze_abort(TDSFREEZE *freeze)
Discard all data written after the freeze.
Definition packet.c:957
tds_get_uint8
TDS_UINT8 tds_get_uint8(TDSSOCKET *tds)
Get an uint64 from the server.
Definition read.c:138
tds_get_char_data
TDSRET tds_get_char_data(TDSSOCKET *tds, char *dest, size_t wire_size, TDSCOLUMN *curcol)
Fetch character data the wire.
Definition read.c:193
tds_get_string
size_t tds_get_string(TDSSOCKET *tds, size_t string_len, char *dest, size_t dest_size)
Fetch a string from the wire.
Definition read.c:164
tds7_get_instance_ports
int tds7_get_instance_ports(FILE *output, struct addrinfo *addr)
Get port of all instances.
Definition net.c:1075
tds_get_uint
TDS_UINT tds_get_uint(TDSSOCKET *tds)
Get an uint32 from the server.
Definition read.c:125
tds7_get_instance_port
int tds7_get_instance_port(struct addrinfo *addr, const char *instance)
Get port of given instance.
Definition net.c:1211
tds_get_usmallint
TDS_USMALLINT tds_get_usmallint(TDSSOCKET *tds)
Get an uint16 from the server.
Definition read.c:112
tds_unget_byte
void tds_unget_byte(TDSSOCKET *tds)
Unget will always work as long as you don't call it twice in a row.
Definition read.c:89
tds_select
int tds_select(TDSSOCKET *tds, unsigned tds_sel, int timeout_seconds)
Select on a socket until it's available or the timeout expires.
Definition net.c:589
tds_get_n
bool tds_get_n(TDSSOCKET *tds, void *dest, size_t n)
Get N bytes from the buffer and return them in the already allocated space given to us.
Definition read.c:228
tds_prtype
const char * tds_prtype(int token)
Returns string representation of the given type.
Definition token.c:3037
tds_lookup_dynamic
TDSDYNAMIC * tds_lookup_dynamic(TDSCONNECTION *conn, const char *id)
Finds a dynamic given string id.
Definition token.c:2592
tds_process_login_tokens
TDSRET tds_process_login_tokens(TDSSOCKET *tds)
tds_process_login_tokens() is called after sending the login packet to the server.
Definition token.c:416
tds_process_tokens
TDSRET tds_process_tokens(TDSSOCKET *tds, TDS_INT *result_type, int *done_flags, unsigned flag)
process all streams.
Definition token.c:536
tds_process_simple_query
TDSRET tds_process_simple_query(TDSSOCKET *tds)
Process results for simple query as "SET TEXTSIZE" or "USE dbname" If the statement returns results,...
Definition token.c:886
tds_process_cancel
TDSRET tds_process_cancel(TDSSOCKET *tds)
Definition token.c:2559
tdsiconvinfo
Definition iconv.h:92
tdsnumeric
Definition proto.h:26
tdsmoney
Definition proto.h:39
tds_compiletime_settings
A structure to hold all the compile-time settings.
Definition tds.h:83
TDS_DATETIMEALL
This structure is not directly connected to TDS protocol but keeps any DATE/TIME information.
Definition tds.h:145
TDS_DATETIMEALL::date
TDS_INT date
date, 0 = 1900-01-01
Definition tds.h:147
TDS_DATETIMEALL::offset
TDS_SMALLINT offset
time offset
Definition tds.h:148
TDS_DATETIMEALL::time
TDS_UINT8 time
time, 7 digit precision
Definition tds.h:146
tdsdaterec
Used by tds_datecrack.
Definition tds.h:158
tdsdaterec::dayofyear
TDS_INT dayofyear
day of year (1-366)
Definition tds.h:163
tdsdaterec::weekday
TDS_INT weekday
day of week (0-6, 0 = sunday)
Definition tds.h:164
tdsdaterec::year
TDS_INT year
year
Definition tds.h:159
tdsdaterec::timezone
TDS_INT timezone
-840 - 840 minutes from UTC
Definition tds.h:169
tdsdaterec::minute
TDS_INT minute
0-59
Definition tds.h:166
tdsdaterec::day
TDS_INT day
day of month (1-31)
Definition tds.h:162
tdsdaterec::decimicrosecond
TDS_INT decimicrosecond
0-9999999
Definition tds.h:168
tdsdaterec::second
TDS_INT second
0-59
Definition tds.h:167
tdsdaterec::quarter
TDS_INT quarter
quarter (0-3)
Definition tds.h:160
tdsdaterec::hour
TDS_INT hour
0-23
Definition tds.h:165
tdsdaterec::month
TDS_INT month
month number (0-11)
Definition tds.h:161
tds_option_arg
Definition tds.h:305
tds_align_struct
Definition tds.h:476
tds_capability_type
Definition tds.h:485
tds_capabilities
Definition tds.h:492
tds_login
Definition tds.h:498
tds_login::crlfile
DSTR crlfile
certificate revocation file
Definition tds.h:512
tds_login::server_realm_name
DSTR server_realm_name
server realm name (in freetds.conf)
Definition tds.h:508
tds_login::user_name
DSTR user_name
account for login
Definition tds.h:516
tds_login::password
DSTR password
password of account login
Definition tds.h:517
tds_login::db_filename
DSTR db_filename
database filename to attach (MSSQL)
Definition tds.h:510
tds_login::certificate_host_name
DSTR certificate_host_name
certificate hostname to check, if empty use server_host_name
Definition tds.h:513
tds_login::server_name
DSTR server_name
server name (in freetds.conf)
Definition tds.h:499
tds_login::ip_addrs
struct addrinfo * ip_addrs
ip(s) of server
Definition tds.h:528
tds_login::server_charset
DSTR server_charset
charset of server e.g.
Definition tds.h:504
tds_login::tds_version
TDS_USMALLINT tds_version
TDS version.
Definition tds.h:501
tds_login::new_password
DSTR new_password
new password to set (TDS 7.2+)
Definition tds.h:518
tds_login::bulk_copy
unsigned int bulk_copy
if bulk copy should be enabled
Definition tds.h:538
tds_login::cafile
DSTR cafile
certificate authorities file
Definition tds.h:511
tds_login::server_spn
DSTR server_spn
server SPN (in freetds.conf)
Definition tds.h:509
tds_login::port
int port
port of database service
Definition tds.h:500
tds_headers
Definition tds.h:557
tds_locale
Definition tds.h:565
tds_blob
Information about blobs (e.g.
Definition tds.h:578
tds_variant
Store variant information.
Definition tds.h:589
tds_encoding
Information relevant to libiconv.
Definition tds.h:603
tds_encoding::name
const char * name
name of the encoding (ie UTF-8)
Definition tds.h:605
tds_encoding::canonic
unsigned char canonic
internal numeric index into array of all encodings
Definition tds.h:609
tds_bcpcoldata
Definition tds.h:613
tds_column_funcs
Definition tds.h:628
tds_column_funcs::put_data
tds_func_put_data * put_data
Send column data to server.
Definition tds.h:647
tds_column_funcs::put_info
tds_func_put_info * put_info
Send metadata column information to server.
Definition tds.h:637
tds_column
Metadata about columns in regular and compute rows.
Definition tds.h:674
tds_column::bcp_prefix_len
TDS_INT bcp_prefix_len
The length, in bytes, of any length prefix this column may have.
Definition tds.h:746
tds_column::column_varint_size
TDS_TINYINT column_varint_size
size of length when reading from wire (0, 1, 2 or 4)
Definition tds.h:686
tds_column::column_size
TDS_INT column_size
maximun size of data.
Definition tds.h:679
tds_column::column_prec
TDS_TINYINT column_prec
precision for decimal/numeric
Definition tds.h:688
tds_column::column_type
TDS_SERVER_TYPE column_type
This type can be different from wire type because conversion (e.g.
Definition tds.h:681
tds_column::char_conv
TDSICONV * char_conv
refers to previously allocated iconv information
Definition tds.h:697
tds_column::column_scale
TDS_TINYINT column_scale
scale for decimal/numeric
Definition tds.h:689
tds_column::column_cur_size
TDS_INT column_cur_size
size written in variable (ie: char, text, binary).
Definition tds.h:721
tds_result_info
Hold information for any results.
Definition tds.h:754
tds_message
Definition tds.h:861
tds_upd_col
Definition tds.h:877
tds_cursor_status
Definition tds.h:891
tds_cursor
Holds information about a cursor.
Definition tds.h:922
tds_cursor::options
TDS_TINYINT options
read only|updatable TODO use it
Definition tds.h:927
tds_cursor::defer_close
bool defer_close
true if cursor was marker to be closed when connection is idle
Definition tds.h:931
tds_cursor::ref_count
TDS_INT ref_count
reference counter so client can retain safely a pointer
Definition tds.h:924
tds_cursor::cursor_id
TDS_INT cursor_id
cursor id returned by the server after cursor declare
Definition tds.h:926
tds_cursor::cursor_rows
TDS_INT cursor_rows
< number of updatable columns
Definition tds.h:936
tds_cursor::next
struct tds_cursor * next
next in linked list, keep first
Definition tds.h:923
tds_cursor::type
TDS_INT type
row fetched from this cursor
Definition tds.h:941
tds_cursor::status
TDS_CURSOR_STATUS status
cursor parameter
Definition tds.h:938
tds_cursor::query
char * query
SQL query.
Definition tds.h:932
tds_cursor::cursor_name
char * cursor_name
name of the cursor
Definition tds.h:925
tds_env
Current environment as reported by the server.
Definition tds.h:948
tds_env::charset
char * charset
character set encoding
Definition tds.h:953
tds_env::block_size
int block_size
packet size (512-65535)
Definition tds.h:950
tds_env::database
char * database
database name
Definition tds.h:955
tds_dynamic
Holds information for a dynamic (also called prepared) query.
Definition tds.h:962
tds_dynamic::query
char * query
saved query, we need to know original query if prepare is impossible
Definition tds.h:994
tds_dynamic::ref_count
TDS_INT ref_count
reference counter so client can retain safely a pointer
Definition tds.h:964
tds_dynamic::emulated
bool emulated
this dynamic query cannot be prepared so libTDS have to construct a simple query.
Definition tds.h:978
tds_dynamic::defer_close
bool defer_close
true if dynamic was marker to be closed when connection is idle
Definition tds.h:982
tds_dynamic::res_info
TDSPARAMINFO * res_info
query results
Definition tds.h:984
tds_dynamic::params
TDSPARAMINFO * params
query parameters.
Definition tds.h:992
tds_dynamic::next
struct tds_dynamic * next
next in linked list, keep first
Definition tds.h:963
tds_dynamic::num_id
TDS_INT num_id
numeric id for mssql7+
Definition tds.h:966
tds_multiple
Definition tds.h:1004
tds_context
Definition tds.h:1015
tds_authentication
Definition tds.h:1033
tds_packet
Definition tds.h:1043
tds_packet::data_len
unsigned data_len
data length, this does not account SMP header, only TDS part
Definition tds.h:1057
tds_poll_wakeup
Definition tds.h:1071
tds_connection
Definition tds.h:1077
tds_connection::env
TDSENV env
environment is shared between all sessions
Definition tds.h:1087
tds_connection::unicharsize
uint8_t unicharsize
Ratio between bytes allocated for a UNICHAR type and type length (Sybase).
Definition tds.h:1144
tds_connection::cursors
TDSCURSOR * cursors
linked list of cursors allocated for this connection contains only cursors allocated on the server
Definition tds.h:1093
tds_connection::s
TDS_SYS_SOCKET s
tcp socket, INVALID_SOCKET if not connected
Definition tds.h:1082
tds_connection::product_version
TDS_UINT product_version
version of product (Sybase/MS and full version)
Definition tds.h:1079
tds_connection::dyns
TDSDYNAMIC * dyns
list of dynamic allocated for this connection contains only dynamic allocated on the server
Definition tds.h:1098
tds_connection::pending_close
unsigned int pending_close
true is connection has pending closing (cursors or dynamic)
Definition tds.h:1109
tds_connection::ncharsize
uint8_t ncharsize
Ratio between bytes allocated for a NCHAR type and type length (Sybase).
Definition tds.h:1137
tds_socket
Information for a server connection.
Definition tds.h:1162
tds_socket::login
TDSLOGIN * login
config for login stuff.
Definition tds.h:1257
tds_socket::in_len
unsigned in_len
input buffer length
Definition tds.h:1193
tds_socket::frozen_packets
TDSPACKET * frozen_packets
list of packets frozen, points to first one.
Definition tds.h:1202
tds_socket::send_packet
TDSPACKET * send_packet
packet we are preparing to send
Definition tds.h:1230
tds_socket::in_buf
unsigned char * in_buf
Input buffer.
Definition tds.h:1176
tds_socket::ret_status
TDS_INT ret_status
return status from store procedure
Definition tds.h:1249
tds_socket::out_pos
unsigned out_pos
current position in out_buf
Definition tds.h:1192
tds_socket::current_results
TDSRESULTINFO * current_results
Current query information.
Definition tds.h:1237
tds_socket::in_flag
unsigned char in_flag
input buffer type
Definition tds.h:1194
tds_socket::rows_affected
TDS_INT8 rows_affected
rows updated/deleted/inserted/selected, TDS_NO_COUNT if not valid
Definition tds.h:1253
tds_socket::out_flag
unsigned char out_flag
output buffer type
Definition tds.h:1195
tds_socket::in_pos
unsigned in_pos
current position in in_buf
Definition tds.h:1191
tds_socket::cur_cursor
TDSCURSOR * cur_cursor
cursor in use
Definition tds.h:1242
tds_socket::in_row
bool in_row
true if we are getting rows
Definition tds.h:1245
tds_socket::bulk_query
bool bulk_query
true is query sent was a bulk query so we need to switch state to QUERYING
Definition tds.h:1243
tds_socket::has_status
bool has_status
true is ret_status is valid
Definition tds.h:1244
tds_socket::out_buf
unsigned char * out_buf
Output buffer.
Definition tds.h:1184
tds_socket::in_cancel
volatile unsigned char in_cancel
indicate we are waiting a cancel reply; discard tokens till acknowledge; 1 mean we have to send cance...
Definition tds.h:1247
tds_socket::out_buf_max
unsigned int out_buf_max
Maximum size of packet pointed by out_buf.
Definition tds.h:1190
tds_socket::cur_dyn
TDSDYNAMIC * cur_dyn
dynamic structure in use
Definition tds.h:1255
tds_tvp_row
Definition tds.h:1274
tds_tvp
Definition tds.h:1280
tdsdump_off_item
Definition tds.h:1511
tds_freeze
Definition tds.h:1582
tds_freeze::tds
TDSSOCKET * tds
which socket we refer to
Definition tds.h:1584
tds_freeze::pkt_pos
unsigned pkt_pos
position in pkt
Definition tds.h:1588
tds_freeze::size_len
unsigned size_len
length size (0, 1, 2 or 4)
Definition tds.h:1590
tds_freeze::pkt
TDSPACKET * pkt
first packet frozen
Definition tds.h:1586
tds5_colinfo
Definition tds.h:1674
tds_bcpinfo
Definition tds.h:1682
tds_condition
Definition thread.h:279
tds_dstr
Structure to hold a string.
Definition string.h:36