1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Zeev Suraski <zeev@zend.com> |
16 | Tom May <tom@go2net.com> |
17 | Timm Friebe <php_sybase_ct@thekid.de> |
18 +----------------------------------------------------------------------+
19 */
20
21 /* $Id$ */
22
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include "php.h"
29 #include "php_sybase_ct.h"
30 #include "ext/standard/php_standard.h"
31 #include "ext/standard/info.h"
32 #include "php_globals.h"
33 #include "php_ini.h"
34
35 /* True globals, no need for thread safety */
36 static int le_link, le_plink, le_result;
37
38 #if HAVE_SYBASE_CT
39
40 ZEND_DECLARE_MODULE_GLOBALS(sybase)
41 static PHP_GINIT_FUNCTION(sybase);
42 static PHP_GSHUTDOWN_FUNCTION(sybase);
43
44 /* {{{ arginfo */
45 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_connect, 0, 0, 0)
46 ZEND_ARG_INFO(0, host)
47 ZEND_ARG_INFO(0, user)
48 ZEND_ARG_INFO(0, password)
49 ZEND_ARG_INFO(0, charset)
50 ZEND_ARG_INFO(0, appname)
51 ZEND_ARG_INFO(0, new)
52 ZEND_END_ARG_INFO()
53
54 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_pconnect, 0, 0, 0)
55 ZEND_ARG_INFO(0, host)
56 ZEND_ARG_INFO(0, user)
57 ZEND_ARG_INFO(0, password)
58 ZEND_ARG_INFO(0, charset)
59 ZEND_ARG_INFO(0, appname)
60 ZEND_END_ARG_INFO()
61
62 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_close, 0, 0, 0)
63 ZEND_ARG_INFO(0, link_id)
64 ZEND_END_ARG_INFO()
65
66 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_select_db, 0, 0, 1)
67 ZEND_ARG_INFO(0, database)
68 ZEND_ARG_INFO(0, link_id)
69 ZEND_END_ARG_INFO()
70
71 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_query, 0, 0, 1)
72 ZEND_ARG_INFO(0, query)
73 ZEND_ARG_INFO(0, link_id)
74 ZEND_END_ARG_INFO()
75
76 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_unbuffered_query, 0, 0, 1)
77 ZEND_ARG_INFO(0, query)
78 ZEND_ARG_INFO(0, link_id)
79 ZEND_END_ARG_INFO()
80
81 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_free_result, 0, 0, 1)
82 ZEND_ARG_INFO(0, result)
83 ZEND_END_ARG_INFO()
84
85 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_get_last_message, 0, 0, 1)
86 ZEND_ARG_INFO(0, d)
87 ZEND_END_ARG_INFO()
88
89 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_num_rows, 0, 0, 1)
90 ZEND_ARG_INFO(0, result)
91 ZEND_END_ARG_INFO()
92
93 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_num_fields, 0, 0, 1)
94 ZEND_ARG_INFO(0, result)
95 ZEND_END_ARG_INFO()
96
97 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_row, 0, 0, 1)
98 ZEND_ARG_INFO(0, result)
99 ZEND_END_ARG_INFO()
100
101 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_object, 0, 0, 1)
102 ZEND_ARG_INFO(0, result)
103 ZEND_ARG_INFO(0, object)
104 ZEND_END_ARG_INFO()
105
106 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_array, 0, 0, 1)
107 ZEND_ARG_INFO(0, result)
108 ZEND_END_ARG_INFO()
109
110 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_assoc, 0, 0, 1)
111 ZEND_ARG_INFO(0, result)
112 ZEND_END_ARG_INFO()
113
114 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_data_seek, 0, 0, 2)
115 ZEND_ARG_INFO(0, result)
116 ZEND_ARG_INFO(0, offset)
117 ZEND_END_ARG_INFO()
118
119 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_fetch_field, 0, 0, 1)
120 ZEND_ARG_INFO(0, result)
121 ZEND_ARG_INFO(0, offset)
122 ZEND_END_ARG_INFO()
123
124 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_field_seek, 0, 0, 2)
125 ZEND_ARG_INFO(0, result)
126 ZEND_ARG_INFO(0, offset)
127 ZEND_END_ARG_INFO()
128
129 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_result, 0, 0, 3)
130 ZEND_ARG_INFO(0, result)
131 ZEND_ARG_INFO(0, row)
132 ZEND_ARG_INFO(0, field)
133 ZEND_END_ARG_INFO()
134
135 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_affected_rows, 0, 0, 0)
136 ZEND_ARG_INFO(0, link_id)
137 ZEND_END_ARG_INFO()
138
139 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_min_client_severity, 0, 0, 1)
140 ZEND_ARG_INFO(0, severity)
141 ZEND_END_ARG_INFO()
142
143 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_min_server_severity, 0, 0, 1)
144 ZEND_ARG_INFO(0, severity)
145 ZEND_END_ARG_INFO()
146
147 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_deadlock_retry_count, 0, 0, 1)
148 ZEND_ARG_INFO(0, retry_count)
149 ZEND_END_ARG_INFO()
150
151 ZEND_BEGIN_ARG_INFO_EX(arginfo_sybase_set_message_handler, 0, 0, 1)
152 ZEND_ARG_INFO(0, error_func)
153 ZEND_ARG_INFO(0, connection)
154 ZEND_END_ARG_INFO()
155 /* }}} */
156
157 const zend_function_entry sybase_functions[] = {
158 PHP_FE(sybase_connect, arginfo_sybase_connect)
159 PHP_FE(sybase_pconnect, arginfo_sybase_pconnect)
160 PHP_FE(sybase_close, arginfo_sybase_close)
161 PHP_FE(sybase_select_db, arginfo_sybase_select_db)
162 PHP_FE(sybase_query, arginfo_sybase_query)
163 PHP_FE(sybase_unbuffered_query, arginfo_sybase_unbuffered_query)
164 PHP_FE(sybase_free_result, arginfo_sybase_free_result)
165 PHP_FE(sybase_get_last_message, arginfo_sybase_get_last_message)
166 PHP_FE(sybase_num_rows, arginfo_sybase_num_rows)
167 PHP_FE(sybase_num_fields, arginfo_sybase_num_fields)
168 PHP_FE(sybase_fetch_row, arginfo_sybase_fetch_row)
169 PHP_FE(sybase_fetch_array, arginfo_sybase_fetch_array)
170 PHP_FE(sybase_fetch_assoc, arginfo_sybase_fetch_assoc)
171 PHP_FE(sybase_fetch_object, arginfo_sybase_fetch_object)
172 PHP_FE(sybase_data_seek, arginfo_sybase_data_seek)
173 PHP_FE(sybase_fetch_field, arginfo_sybase_fetch_field)
174 PHP_FE(sybase_field_seek, arginfo_sybase_field_seek)
175 PHP_FE(sybase_result, arginfo_sybase_result)
176 PHP_FE(sybase_affected_rows, arginfo_sybase_affected_rows)
177 PHP_FE(sybase_min_client_severity, arginfo_sybase_min_client_severity)
178 PHP_FE(sybase_min_server_severity, arginfo_sybase_min_server_severity)
179 PHP_FE(sybase_set_message_handler, arginfo_sybase_set_message_handler)
180 PHP_FE(sybase_deadlock_retry_count, arginfo_sybase_deadlock_retry_count)
181
182 #if !defined(PHP_WIN32) && !defined(HAVE_MSSQL)
183 PHP_FALIAS(mssql_connect, sybase_connect, arginfo_sybase_connect)
184 PHP_FALIAS(mssql_pconnect, sybase_pconnect, arginfo_sybase_pconnect)
185 PHP_FALIAS(mssql_close, sybase_close, arginfo_sybase_close)
186 PHP_FALIAS(mssql_select_db, sybase_select_db, arginfo_sybase_select_db)
187 PHP_FALIAS(mssql_query, sybase_query, arginfo_sybase_query)
188 PHP_FALIAS(mssql_unbuffered_query, sybase_unbuffered_query, arginfo_sybase_unbuffered_query)
189 PHP_FALIAS(mssql_free_result, sybase_free_result, arginfo_sybase_free_result)
190 PHP_FALIAS(mssql_get_last_message, sybase_get_last_message, arginfo_sybase_get_last_message)
191 PHP_FALIAS(mssql_num_rows, sybase_num_rows, arginfo_sybase_num_rows)
192 PHP_FALIAS(mssql_num_fields, sybase_num_fields, arginfo_sybase_num_fields)
193 PHP_FALIAS(mssql_fetch_row, sybase_fetch_row, arginfo_sybase_fetch_row)
194 PHP_FALIAS(mssql_fetch_array, sybase_fetch_array, arginfo_sybase_fetch_array)
195 PHP_FALIAS(mssql_fetch_assoc, sybase_fetch_assoc, arginfo_sybase_fetch_assoc)
196 PHP_FALIAS(mssql_fetch_object, sybase_fetch_object, arginfo_sybase_fetch_object)
197 PHP_FALIAS(mssql_data_seek, sybase_data_seek, arginfo_sybase_data_seek)
198 PHP_FALIAS(mssql_fetch_field, sybase_fetch_field, arginfo_sybase_fetch_field)
199 PHP_FALIAS(mssql_field_seek, sybase_field_seek, arginfo_sybase_field_seek)
200 PHP_FALIAS(mssql_result, sybase_result, arginfo_sybase_result)
201 PHP_FALIAS(mssql_affected_rows, sybase_affected_rows, arginfo_sybase_affected_rows)
202 PHP_FALIAS(mssql_min_client_severity, sybase_min_client_severity, arginfo_sybase_min_client_severity)
203 PHP_FALIAS(mssql_min_server_severity, sybase_min_server_severity, arginfo_sybase_min_server_severity)
204 PHP_FALIAS(mssql_set_message_handler, sybase_set_message_handler, arginfo_sybase_set_message_handler)
205 PHP_FALIAS(mssql_deadlock_retry_count, sybase_deadlock_retry_count, arginfo_sybase_deadlock_retry_count)
206 #endif
207 PHP_FE_END
208 };
209
210 zend_module_entry sybase_module_entry = {
211 STANDARD_MODULE_HEADER,
212 "sybase_ct",
213 sybase_functions,
214 PHP_MINIT(sybase),
215 PHP_MSHUTDOWN(sybase),
216 PHP_RINIT(sybase),
217 PHP_RSHUTDOWN(sybase),
218 PHP_MINFO(sybase),
219 NO_VERSION_YET,
220 PHP_MODULE_GLOBALS(sybase),
221 PHP_GINIT(sybase),
222 PHP_GSHUTDOWN(sybase),
223 NULL,
224 STANDARD_MODULE_PROPERTIES_EX
225 };
226
227 /* static CS_CONTEXT *context; */
228
229 #ifdef COMPILE_DL_SYBASE_CT
230 ZEND_GET_MODULE(sybase)
231 #endif
232
ZEND_DECLARE_MODULE_GLOBALS(sybase)233 ZEND_DECLARE_MODULE_GLOBALS(sybase)
234
235 #define CHECK_LINK(link) { if (link==-1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: A link to the server could not be established"); RETURN_FALSE; } }
236
237
238 static int _clean_invalid_results(zend_rsrc_list_entry *le TSRMLS_DC)
239 {
240 if (Z_TYPE_P(le) == le_result) {
241 sybase_link *sybase_ptr = ((sybase_result *) le->ptr)->sybase_ptr;
242
243 if (!sybase_ptr->valid) {
244 return 1;
245 }
246 }
247 return 0;
248 }
249
250 #define efree_n(x) { efree(x); x = NULL; }
251 #define efree_if(x) if (x) efree_n(x)
252
253 #ifdef PHP_SYBASE_DEBUG
254 #define FREE_SYBASE_RESULT(result) \
255 if (result) { \
256 fprintf(stderr, "_free_sybase_result(%p) called from line #%d\n", result, __LINE__); \
257 fflush(stderr); \
258 _free_sybase_result(result); \
259 result = NULL; \
260 }
261 #else
262 #define FREE_SYBASE_RESULT(result) \
263 if (result) { \
264 _free_sybase_result(result); \
265 result = NULL; \
266 }
267 #endif
_free_sybase_result(sybase_result * result)268 static void _free_sybase_result(sybase_result *result)
269 {
270 int i, j;
271
272 if (result->data) {
273 for (i = 0; i < (result->store ? result->num_rows : MIN(1, result->num_rows)); i++) {
274 for (j=0; j<result->num_fields; j++) {
275 zval_dtor(&result->data[i][j]);
276 }
277 efree(result->data[i]);
278 }
279 efree(result->data);
280 }
281
282 if (result->fields) {
283 for (i=0; i<result->num_fields; i++) {
284 STR_FREE(result->fields[i].name);
285 STR_FREE(result->fields[i].column_source);
286 }
287 efree(result->fields);
288 }
289
290 if (result->tmp_buffer) {
291 for (i=0; i<result->num_fields; i++) {
292 efree(result->tmp_buffer[i]);
293 }
294 efree(result->tmp_buffer);
295 }
296
297 efree_if(result->lengths);
298 efree_if(result->indicators);
299 efree_if(result->datafmt);
300 efree_if(result->numerics);
301 efree_if(result->types);
302
303 efree(result);
304 }
305
306 /* Forward declaration */
307 static int php_sybase_finish_results (sybase_result *result TSRMLS_DC);
308
php_free_sybase_result(zend_rsrc_list_entry * rsrc TSRMLS_DC)309 static void php_free_sybase_result(zend_rsrc_list_entry *rsrc TSRMLS_DC)
310 {
311 sybase_result *result = (sybase_result *)rsrc->ptr;
312
313 /* Check to see if we've read all rows */
314 if (result->sybase_ptr && result->sybase_ptr->active_result_index) {
315 if (result->sybase_ptr->cmd) {
316 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL);
317 }
318 php_sybase_finish_results(result TSRMLS_CC);
319 }
320
321 FREE_SYBASE_RESULT(result);
322 }
323
_close_sybase_link(zend_rsrc_list_entry * rsrc TSRMLS_DC)324 static void _close_sybase_link(zend_rsrc_list_entry *rsrc TSRMLS_DC)
325 {
326 sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr;
327 CS_INT con_status;
328
329 sybase_ptr->valid = 0;
330 if (sybase_ptr->callback_name != NULL) {
331 zval_ptr_dtor(&sybase_ptr->callback_name);
332 sybase_ptr->callback_name= NULL;
333 }
334 zend_hash_apply(&EG(regular_list), (apply_func_t) _clean_invalid_results TSRMLS_CC);
335
336 /* Non-persistent connections will always be connected or we wouldn't
337 * get here, but since we want to check the death status anyway
338 * we might as well double-check the connect status.
339 */
340 if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS,
341 &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) {
342 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status on close");
343 /* Assume the worst. */
344 con_status = CS_CONSTAT_CONNECTED | CS_CONSTAT_DEAD;
345 }
346 if (con_status & CS_CONSTAT_CONNECTED) {
347 if ((con_status & CS_CONSTAT_DEAD) || ct_close(sybase_ptr->connection, CS_UNUSED)!=CS_SUCCEED) {
348 ct_close(sybase_ptr->connection, CS_FORCE_CLOSE);
349 }
350 }
351
352 ct_cmd_drop(sybase_ptr->cmd);
353 ct_con_drop(sybase_ptr->connection);
354 efree(sybase_ptr);
355 SybCtG(num_links)--;
356 }
357
358
_close_sybase_plink(zend_rsrc_list_entry * rsrc TSRMLS_DC)359 static void _close_sybase_plink(zend_rsrc_list_entry *rsrc TSRMLS_DC)
360 {
361 sybase_link *sybase_ptr = (sybase_link *)rsrc->ptr;
362 CS_INT con_status;
363
364 /* Persistent connections may have been closed before a failed
365 * reopen attempt.
366 */
367 if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS,
368 &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) {
369 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status on close");
370 /* Assume the worst. */
371 con_status = CS_CONSTAT_CONNECTED | CS_CONSTAT_DEAD;
372 }
373 if (con_status & CS_CONSTAT_CONNECTED) {
374 if ((con_status & CS_CONSTAT_DEAD) || ct_close(sybase_ptr->connection, CS_UNUSED)!=CS_SUCCEED) {
375 ct_close(sybase_ptr->connection, CS_FORCE_CLOSE);
376 }
377 }
378
379 ct_con_drop(sybase_ptr->connection);
380 free(sybase_ptr);
381 SybCtG(num_persistent)--;
382 SybCtG(num_links)--;
383 }
384
385
_client_message_handler(CS_CONTEXT * context,CS_CONNECTION * connection,CS_CLIENTMSG * errmsg)386 static CS_RETCODE CS_PUBLIC _client_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_CLIENTMSG *errmsg)
387 {
388 TSRMLS_FETCH();
389
390 if (CS_SEVERITY(errmsg->msgnumber) >= SybCtG(min_client_severity)) {
391 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Client message: %s (severity %ld)", errmsg->msgstring, (long)CS_SEVERITY(errmsg->msgnumber));
392 }
393 STR_FREE(SybCtG(server_message));
394 SybCtG(server_message) = estrdup(errmsg->msgstring);
395
396
397 /* If this is a timeout message, return CS_FAIL to cancel the
398 * operation and mark the connection as dead.
399 */
400 if (CS_SEVERITY(errmsg->msgnumber) == CS_SV_RETRY_FAIL &&
401 CS_NUMBER(errmsg->msgnumber) == 63 &&
402 CS_ORIGIN(errmsg->msgnumber) == 2 &&
403 CS_LAYER(errmsg->msgnumber) == 1)
404 {
405 return CS_FAIL;
406 }
407
408 return CS_SUCCEED;
409 }
410
_call_message_handler(zval * callback_name,CS_SERVERMSG * srvmsg TSRMLS_DC)411 static int _call_message_handler(zval *callback_name, CS_SERVERMSG *srvmsg TSRMLS_DC)
412 {
413 int handled = 0;
414 zval *msgnumber, *severity, *state, *line, *text, *retval = NULL;
415 zval **args[5];
416
417 /* Border case - empty fcall */
418 if (NULL == callback_name) return 0;
419
420 /* Build arguments */
421 MAKE_STD_ZVAL(msgnumber);
422 ZVAL_LONG(msgnumber, srvmsg->msgnumber);
423 args[0] = &msgnumber;
424
425 MAKE_STD_ZVAL(severity);
426 ZVAL_LONG(severity, srvmsg->severity);
427 args[1] = &severity;
428
429 MAKE_STD_ZVAL(state);
430 ZVAL_LONG(state, srvmsg->state);
431 args[2] = &state;
432
433 MAKE_STD_ZVAL(line);
434 ZVAL_LONG(line, srvmsg->line);
435 args[3] = &line;
436
437 MAKE_STD_ZVAL(text);
438 ZVAL_STRING(text, srvmsg->text, 1);
439 args[4] = &text;
440
441 if (call_user_function_ex(EG(function_table), NULL, callback_name, &retval, 5, args, 0, NULL TSRMLS_CC) == FAILURE) {
442 zval expr_copy;
443 int use_copy;
444
445 zend_make_printable_zval(callback_name, &expr_copy, &use_copy);
446 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot call the messagehandler %s", Z_STRVAL(expr_copy));
447 zval_dtor(&expr_copy);
448 }
449
450 if (retval) {
451 handled = ((Z_TYPE_P(retval) != IS_BOOL) || (Z_BVAL_P(retval) != 0));
452 zval_ptr_dtor(&retval);
453 } else {
454 handled = 0;
455 }
456
457 zval_ptr_dtor(&msgnumber);
458 zval_ptr_dtor(&severity);
459 zval_ptr_dtor(&state);
460 zval_ptr_dtor(&line);
461 zval_ptr_dtor(&text);
462
463 return handled;
464 }
465
_server_message_handler(CS_CONTEXT * context,CS_CONNECTION * connection,CS_SERVERMSG * srvmsg)466 static CS_RETCODE CS_PUBLIC _server_message_handler(CS_CONTEXT *context, CS_CONNECTION *connection, CS_SERVERMSG *srvmsg)
467 {
468 sybase_link *sybase;
469 int handled = 0;
470 TSRMLS_FETCH();
471
472 /* Remember the last server message in any case */
473 STR_FREE(SybCtG(server_message));
474 SybCtG(server_message) = estrdup(srvmsg->text);
475
476 /* Retrieve sybase link */
477 if (ct_con_props(connection, CS_GET, CS_USERDATA, &sybase, CS_SIZEOF(sybase), NULL) != CS_SUCCEED) {
478 sybase = NULL;
479 }
480
481 /* If this is a deadlock message, set the connection's deadlock flag
482 * so we will retry the request. Sorry about the bare constant here,
483 * but it's not defined anywhere and it's a "well-known" number.
484 */
485 if (sybase && (srvmsg->msgnumber == 1205)) {
486 sybase->deadlock = 1;
487 }
488
489 /* Check mininum server severity level */
490 if (srvmsg->severity < SybCtG(min_server_severity)) {
491 return CS_SUCCEED;
492 }
493
494 /* Call global message handler */
495 handled = handled | _call_message_handler(SybCtG(callback_name), srvmsg TSRMLS_CC);
496
497 /* Call link specific message handler */
498 if (sybase) {
499 handled = handled | _call_message_handler(sybase->callback_name, srvmsg TSRMLS_CC);
500 }
501
502 /* Spit out a warning if neither of them has handled this message */
503 if (!handled) {
504 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Server message: %s (severity %ld, procedure %s)",
505 srvmsg->text, (long)srvmsg->severity, ((srvmsg->proclen>0) ? srvmsg->proc : "N/A"));
506 }
507
508 return CS_SUCCEED;
509 }
510
511
512 PHP_INI_BEGIN()
513 STD_PHP_INI_BOOLEAN("sybct.allow_persistent", "1", PHP_INI_SYSTEM, OnUpdateLong, allow_persistent, zend_sybase_globals, sybase_globals)
514 STD_PHP_INI_ENTRY_EX("sybct.max_persistent", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_persistent, zend_sybase_globals, sybase_globals, display_link_numbers)
515 STD_PHP_INI_ENTRY_EX("sybct.max_links", "-1", PHP_INI_SYSTEM, OnUpdateLong, max_links, zend_sybase_globals, sybase_globals, display_link_numbers)
516 STD_PHP_INI_ENTRY("sybct.min_server_severity", "10", PHP_INI_ALL, OnUpdateLong, min_server_severity, zend_sybase_globals, sybase_globals)
517 STD_PHP_INI_ENTRY("sybct.min_client_severity", "10", PHP_INI_ALL, OnUpdateLong, min_client_severity, zend_sybase_globals, sybase_globals)
518 STD_PHP_INI_ENTRY("sybct.login_timeout", "-1", PHP_INI_ALL, OnUpdateLong, login_timeout, zend_sybase_globals, sybase_globals)
519 STD_PHP_INI_ENTRY("sybct.hostname", NULL, PHP_INI_ALL, OnUpdateString, hostname, zend_sybase_globals, sybase_globals)
520 STD_PHP_INI_ENTRY_EX("sybct.deadlock_retry_count", "0", PHP_INI_ALL, OnUpdateLong, deadlock_retry_count, zend_sybase_globals, sybase_globals, display_link_numbers)
PHP_INI_END()521 PHP_INI_END()
522
523
524 static PHP_GINIT_FUNCTION(sybase)
525 {
526 long opt;
527
528 if (cs_ctx_alloc(CTLIB_VERSION, &sybase_globals->context)!=CS_SUCCEED || ct_init(sybase_globals->context, CTLIB_VERSION)!=CS_SUCCEED) {
529 return;
530 }
531
532 /* Initialize message handlers */
533 if (ct_callback(sybase_globals->context, NULL, CS_SET, CS_SERVERMSG_CB, (CS_VOID *)_server_message_handler)!=CS_SUCCEED) {
534 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set server message handler");
535 }
536
537 if (ct_callback(sybase_globals->context, NULL, CS_SET, CS_CLIENTMSG_CB, (CS_VOID *)_client_message_handler)!=CS_SUCCEED) {
538 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set client message handler");
539 }
540
541 /* Set datetime conversion format to "Nov 3 1998 8:06PM".
542 * This is the default format for the ct-lib that comes with
543 * Sybase ASE 11.5.1 for Solaris, but the Linux libraries that
544 * come with 11.0.3.3 default to "03/11/98" which is singularly
545 * useless. This levels the playing field for all platforms.
546 */
547 {
548 CS_INT dt_convfmt = CS_DATES_SHORT;
549 if (cs_dt_info(sybase_globals->context, CS_SET, NULL, CS_DT_CONVFMT, CS_UNUSED, &dt_convfmt, sizeof(dt_convfmt), NULL)!=CS_SUCCEED) {
550 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set datetime conversion format");
551 }
552 }
553
554 /* Set the timeout, which is per context and can't be set with
555 * ct_con_props(), so set it globally from the config value if
556 * requested. The default is CS_NO_LIMIT.
557 *
558 * Note that despite some noise in the documentation about using
559 * signals to implement timeouts, they are actually implemented
560 * by using poll() or select() on Solaris and Linux.
561 */
562 if (cfg_get_long("sybct.timeout", &opt)==SUCCESS) {
563 CS_INT cs_timeout = opt;
564 if (ct_config(sybase_globals->context, CS_SET, CS_TIMEOUT, &cs_timeout, CS_UNUSED, NULL)!=CS_SUCCEED) {
565 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update the timeout");
566 }
567 }
568
569 sybase_globals->num_persistent=0;
570 sybase_globals->callback_name = NULL;
571 }
572
573
PHP_GSHUTDOWN_FUNCTION(sybase)574 static PHP_GSHUTDOWN_FUNCTION(sybase)
575 {
576 ct_exit(sybase_globals->context, CS_UNUSED);
577 cs_ctx_drop(sybase_globals->context);
578 }
579
PHP_MINIT_FUNCTION(sybase)580 PHP_MINIT_FUNCTION(sybase)
581 {
582 REGISTER_INI_ENTRIES();
583
584 le_link = zend_register_list_destructors_ex(_close_sybase_link, NULL, "sybase-ct link", module_number);
585 le_plink = zend_register_list_destructors_ex(NULL, _close_sybase_plink, "sybase-ct link persistent", module_number);
586 le_result = zend_register_list_destructors_ex(php_free_sybase_result, NULL, "sybase-ct result", module_number);
587
588 return SUCCESS;
589 }
590
591
592
PHP_RINIT_FUNCTION(sybase)593 PHP_RINIT_FUNCTION(sybase)
594 {
595 SybCtG(default_link)=-1;
596 SybCtG(num_links) = SybCtG(num_persistent);
597 SybCtG(appname) = estrndup("PHP " PHP_VERSION, sizeof("PHP " PHP_VERSION));
598 SybCtG(server_message) = STR_EMPTY_ALLOC();
599 return SUCCESS;
600 }
601
602
603
PHP_MSHUTDOWN_FUNCTION(sybase)604 PHP_MSHUTDOWN_FUNCTION(sybase)
605 {
606 UNREGISTER_INI_ENTRIES();
607 #if 0
608 ct_exit(context, CS_UNUSED);
609 cs_ctx_drop(context);
610 #endif
611 return SUCCESS;
612 }
613
614
PHP_RSHUTDOWN_FUNCTION(sybase)615 PHP_RSHUTDOWN_FUNCTION(sybase)
616 {
617 efree(SybCtG(appname));
618 SybCtG(appname) = NULL;
619 if (SybCtG(callback_name)) {
620 zval_ptr_dtor(&SybCtG(callback_name));
621 SybCtG(callback_name)= NULL;
622 }
623 STR_FREE(SybCtG(server_message));
624 SybCtG(server_message) = NULL;
625 return SUCCESS;
626 }
627
628
php_sybase_do_connect_internal(sybase_link * sybase,char * host,char * user,char * passwd,char * charset,char * appname TSRMLS_DC)629 static int php_sybase_do_connect_internal(sybase_link *sybase, char *host, char *user, char *passwd, char *charset, char *appname TSRMLS_DC)
630 {
631 CS_LOCALE *tmp_locale;
632 long packetsize;
633
634 /* set a CS_CONNECTION record */
635 if (ct_con_alloc(SybCtG(context), &sybase->connection)!=CS_SUCCEED) {
636 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate connection record");
637 return 0;
638 }
639
640 /* Note - this saves a copy of sybase, not a pointer to it. */
641 if (ct_con_props(sybase->connection, CS_SET, CS_USERDATA, &sybase, CS_SIZEOF(sybase), NULL)!=CS_SUCCEED) {
642 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to set userdata");
643 ct_con_drop(sybase->connection);
644 return 0;
645 }
646
647 if (user) {
648 ct_con_props(sybase->connection, CS_SET, CS_USERNAME, user, CS_NULLTERM, NULL);
649 }
650 if (passwd) {
651 ct_con_props(sybase->connection, CS_SET, CS_PASSWORD, passwd, CS_NULLTERM, NULL);
652 }
653 if (appname) {
654 ct_con_props(sybase->connection, CS_SET, CS_APPNAME, appname, CS_NULLTERM, NULL);
655 } else {
656 ct_con_props(sybase->connection, CS_SET, CS_APPNAME, SybCtG(appname), CS_NULLTERM, NULL);
657 }
658
659 if (SybCtG(hostname)) {
660 ct_con_props(sybase->connection, CS_SET, CS_HOSTNAME, SybCtG(hostname), CS_NULLTERM, NULL);
661 }
662
663 if (charset) {
664 if (cs_loc_alloc(SybCtG(context), &tmp_locale)!=CS_SUCCEED) {
665 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate locale information");
666 } else {
667 if (cs_locale(SybCtG(context), CS_SET, tmp_locale, CS_LC_ALL, NULL, CS_NULLTERM, NULL)!=CS_SUCCEED) {
668 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to load default locale data");
669 } else {
670 if (cs_locale(SybCtG(context), CS_SET, tmp_locale, CS_SYB_CHARSET, charset, CS_NULLTERM, NULL)!=CS_SUCCEED) {
671 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update character set");
672 } else {
673 if (ct_con_props(sybase->connection, CS_SET, CS_LOC_PROP, tmp_locale, CS_UNUSED, NULL)!=CS_SUCCEED) {
674 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update connection properties");
675 }
676 }
677 }
678 }
679 }
680
681 if (cfg_get_long("sybct.packet_size", &packetsize) == SUCCESS) {
682 if (ct_con_props(sybase->connection, CS_SET, CS_PACKETSIZE, (CS_VOID *)&packetsize, CS_UNUSED, NULL) != CS_SUCCEED) {
683 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update connection packetsize");
684 }
685 }
686
687 /* Set the login timeout. Actually, the login timeout is per context
688 * and not per connection, but we will update the context here to
689 * allow for code such as the following:
690 *
691 * ini_set('sybct.login_timeout', $timeout);
692 * sybase_connect(...)
693 *
694 * Note that preceding calls to sybase_connect() will now use the
695 * updated value and not the default one!
696 *
697 * The default value for CS_LOGIN_TIMEOUT is 60 (1 minute).
698 */
699 if (SybCtG(login_timeout) != -1) {
700 CS_INT cs_login_timeout = SybCtG(login_timeout);
701 if (ct_config(SybCtG(context), CS_SET, CS_LOGIN_TIMEOUT, &cs_login_timeout, CS_UNUSED, NULL)!=CS_SUCCEED) {
702 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to update the login timeout");
703 }
704 }
705
706 sybase->valid = 1;
707 sybase->dead = 0;
708 sybase->active_result_index = 0;
709 sybase->callback_name = NULL;
710
711 /* create the link */
712 if (ct_connect(sybase->connection, host, CS_NULLTERM)!=CS_SUCCEED) {
713 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to connect");
714 ct_con_drop(sybase->connection);
715 return 0;
716 }
717
718 if (ct_cmd_alloc(sybase->connection, &sybase->cmd)!=CS_SUCCEED) {
719 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to allocate command record");
720 ct_close(sybase->connection, CS_UNUSED);
721 ct_con_drop(sybase->connection);
722 return 0;
723 }
724
725 return 1;
726 }
727
728
php_sybase_do_connect(INTERNAL_FUNCTION_PARAMETERS,int persistent)729 static void php_sybase_do_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent)
730 {
731 char *user = NULL, *passwd = NULL, *host = NULL, *charset = NULL, *appname = NULL;
732 char *hashed_details;
733 int hashed_details_length, len;
734 zend_bool new = 0;
735 sybase_link *sybase_ptr;
736
737 host= user= passwd= charset= appname= NULL;
738 if (persistent) {
739 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!s!s!", &host, &len, &user, &len, &passwd, &len, &charset, &len, &appname, &len) == FAILURE) {
740 return;
741 }
742 } else {
743 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s!s!s!s!s!b", &host, &len, &user, &len, &passwd, &len, &charset, &len, &appname, &len, &new) == FAILURE) {
744 return;
745 }
746 }
747 hashed_details_length = spprintf(
748 &hashed_details,
749 0,
750 "sybase_%s_%s_%s_%s_%s",
751 host ? host : "",
752 user ? user : "",
753 passwd ? passwd : "",
754 charset ? charset : "",
755 appname ? appname : ""
756 );
757
758 if (!SybCtG(allow_persistent)) {
759 persistent=0;
760 }
761 if (persistent) {
762 zend_rsrc_list_entry *le;
763
764 /* try to find if we already have this link in our persistent list */
765 if (zend_hash_find(&EG(persistent_list), hashed_details, hashed_details_length+1, (void **) &le)==FAILURE) { /* we don't */
766 zend_rsrc_list_entry new_le;
767
768 if (SybCtG(max_links)!=-1 && SybCtG(num_links)>=SybCtG(max_links)) {
769 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open links (%ld)", SybCtG(num_links));
770 efree(hashed_details);
771 RETURN_FALSE;
772 }
773 if (SybCtG(max_persistent)!=-1 && SybCtG(num_persistent)>=SybCtG(max_persistent)) {
774 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open persistent links (%ld)", SybCtG(num_persistent));
775 efree(hashed_details);
776 RETURN_FALSE;
777 }
778
779 sybase_ptr = (sybase_link *) malloc(sizeof(sybase_link));
780 if (!sybase_ptr) {
781 efree(hashed_details);
782 RETURN_FALSE;
783 }
784 if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname TSRMLS_CC)) {
785 free(sybase_ptr);
786 efree(hashed_details);
787 RETURN_FALSE;
788 }
789
790 /* hash it up */
791 Z_TYPE(new_le) = le_plink;
792 new_le.ptr = sybase_ptr;
793 if (zend_hash_update(&EG(persistent_list), hashed_details, hashed_details_length+1, (void *) &new_le, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) {
794 ct_close(sybase_ptr->connection, CS_UNUSED);
795 ct_con_drop(sybase_ptr->connection);
796 free(sybase_ptr);
797 efree(hashed_details);
798 RETURN_FALSE;
799 }
800 SybCtG(num_persistent)++;
801 SybCtG(num_links)++;
802 } else { /* we do */
803 CS_INT con_status;
804
805 if (Z_TYPE_P(le) != le_plink) {
806 efree(hashed_details);
807 RETURN_FALSE;
808 }
809
810 sybase_ptr = (sybase_link *) le->ptr;
811
812 /* If the link has died, close it and overwrite it with a new one. */
813
814 if (ct_con_props(sybase_ptr->connection, CS_GET, CS_CON_STATUS,
815 &con_status, CS_UNUSED, NULL)!=CS_SUCCEED) {
816 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Unable to get connection status");
817 efree(hashed_details);
818 RETURN_FALSE;
819 }
820 if (!(con_status & CS_CONSTAT_CONNECTED) || (con_status & CS_CONSTAT_DEAD) || sybase_ptr->dead) {
821 sybase_link sybase;
822
823 if (con_status & CS_CONSTAT_CONNECTED) {
824 ct_close(sybase_ptr->connection, CS_FORCE_CLOSE);
825 }
826 /* Create a new connection, then replace the old
827 * connection. If we fail to create a new connection,
828 * put the old one back so there will be a connection,
829 * even if it is a non-functional one. This is because
830 * code may still be holding an id for this connection
831 * so we can't free the CS_CONNECTION.
832 * (This is actually totally hokey, it would be better
833 * to just ct_con_drop() the connection and set
834 * sybase_ptr->connection to NULL, then test it for
835 * NULL before trying to use it elsewhere . . .)
836 */
837 memcpy(&sybase, sybase_ptr, sizeof(sybase_link));
838 if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname TSRMLS_CC)) {
839 memcpy(sybase_ptr, &sybase, sizeof(sybase_link));
840 efree(hashed_details);
841 RETURN_FALSE;
842 }
843 ct_con_drop(sybase.connection); /* drop old connection */
844 }
845 }
846 ZEND_REGISTER_RESOURCE(return_value, sybase_ptr, le_plink);
847 } else { /* non persistent */
848 zend_rsrc_list_entry *index_ptr, new_index_ptr;
849
850 /* first we check the hash for the hashed_details key. if it exists,
851 * it should point us to the right offset where the actual sybase link sits.
852 * if it doesn't, open a new sybase link, add it to the resource list,
853 * and add a pointer to it with hashed_details as the key.
854 */
855 if (!new && zend_hash_find(&EG(regular_list), hashed_details, hashed_details_length+1, (void **) &index_ptr)==SUCCESS) {
856 int type, link;
857 void *ptr;
858
859 if (Z_TYPE_P(index_ptr) != le_index_ptr) {
860 efree(hashed_details);
861 RETURN_FALSE;
862 }
863 link = (int) index_ptr->ptr;
864 ptr = zend_list_find(link, &type); /* check if the link is still there */
865 if (ptr && (type==le_link || type==le_plink)) {
866 zend_list_addref(link);
867 Z_LVAL_P(return_value) = SybCtG(default_link) = link;
868 Z_TYPE_P(return_value) = IS_RESOURCE;
869 efree(hashed_details);
870 return;
871 } else {
872 zend_hash_del(&EG(regular_list), hashed_details, hashed_details_length+1);
873 }
874 }
875 if (SybCtG(max_links)!=-1 && SybCtG(num_links)>=SybCtG(max_links)) {
876 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Too many open links (%ld)", SybCtG(num_links));
877 efree(hashed_details);
878 RETURN_FALSE;
879 }
880
881 sybase_ptr = (sybase_link *) emalloc(sizeof(sybase_link));
882 if (!php_sybase_do_connect_internal(sybase_ptr, host, user, passwd, charset, appname TSRMLS_CC)) {
883 efree(sybase_ptr);
884 efree(hashed_details);
885 RETURN_FALSE;
886 }
887
888 /* add it to the list */
889 ZEND_REGISTER_RESOURCE(return_value, sybase_ptr, le_link);
890
891 /* add it to the hash */
892 new_index_ptr.ptr = (void *) Z_LVAL_P(return_value);
893 Z_TYPE(new_index_ptr) = le_index_ptr;
894 if (zend_hash_update(&EG(regular_list), hashed_details, hashed_details_length+1, (void *) &new_index_ptr, sizeof(zend_rsrc_list_entry), NULL)==FAILURE) {
895 ct_close(sybase_ptr->connection, CS_UNUSED);
896 ct_con_drop(sybase_ptr->connection);
897 efree(sybase_ptr);
898 efree(hashed_details);
899 RETURN_FALSE;
900 }
901 SybCtG(num_links)++;
902 }
903 efree(hashed_details);
904 SybCtG(default_link)=Z_LVAL_P(return_value);
905 zend_list_addref(SybCtG(default_link));
906 }
907
908
php_sybase_get_default_link(INTERNAL_FUNCTION_PARAMETERS)909 static int php_sybase_get_default_link(INTERNAL_FUNCTION_PARAMETERS)
910 {
911 if (SybCtG(default_link)==-1) { /* no link opened yet, implicitly open one */
912 ht = 0;
913 php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
914 }
915 return SybCtG(default_link);
916 }
917
918
919 /* {{{ proto int sybase_connect([string host [, string user [, string password [, string charset [, string appname [, bool new]]]]]])
920 Open Sybase server connection */
PHP_FUNCTION(sybase_connect)921 PHP_FUNCTION(sybase_connect)
922 {
923 php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
924 }
925
926 /* }}} */
927
928 /* {{{ proto int sybase_pconnect([string host [, string user [, string password [, string charset [, string appname]]]]])
929 Open persistent Sybase connection */
PHP_FUNCTION(sybase_pconnect)930 PHP_FUNCTION(sybase_pconnect)
931 {
932 php_sybase_do_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
933 }
934
935 /* }}} */
936
php_sybase_connection_id(zval * sybase_link_index,int * id TSRMLS_DC)937 inline static int php_sybase_connection_id(zval *sybase_link_index, int *id TSRMLS_DC)
938 {
939 if (NULL == sybase_link_index) {
940 if (-1 == SybCtG(default_link)) {
941 return FAILURE;
942 }
943 *id = SybCtG(default_link);
944 } else {
945 *id = -1; /* explicit resource number */
946 }
947 return SUCCESS;
948 }
949
950 /* {{{ proto bool sybase_close([resource link_id])
951 Close Sybase connection */
PHP_FUNCTION(sybase_close)952 PHP_FUNCTION(sybase_close)
953 {
954 zval *sybase_link_index = NULL;
955 sybase_link *sybase_ptr;
956 int id;
957
958 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &sybase_link_index) == FAILURE) {
959 return;
960 }
961
962 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) {
963 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection to close");
964 RETURN_FALSE;
965 }
966
967 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink);
968
969 if (id == -1) {
970 zend_list_delete(Z_RESVAL_P(sybase_link_index));
971 }
972 if (id != -1 || (sybase_link_index && Z_RESVAL_P(sybase_link_index) == SybCtG(default_link))) {
973 zend_list_delete(SybCtG(default_link));
974 SybCtG(default_link) = -1;
975 }
976
977 RETURN_TRUE;
978 }
979
980 /* }}} */
981
982
exec_cmd(sybase_link * sybase_ptr,char * cmdbuf)983 static int exec_cmd(sybase_link *sybase_ptr, char *cmdbuf)
984 {
985 CS_RETCODE retcode;
986 CS_INT restype;
987 int failure=0;
988
989 /* Fail if we already marked this connection dead. */
990
991 if (sybase_ptr->dead) {
992 return FAILURE;
993 }
994
995 /*
996 ** Get a command handle, store the command string in it, and
997 ** send it to the server.
998 */
999
1000 if (ct_command(sybase_ptr->cmd, CS_LANG_CMD, cmdbuf, CS_NULLTERM, CS_UNUSED)!=CS_SUCCEED) {
1001 sybase_ptr->dead = 1;
1002 return FAILURE;
1003 }
1004 if (ct_send(sybase_ptr->cmd)!=CS_SUCCEED) {
1005 sybase_ptr->dead = 1;
1006 return FAILURE;
1007 }
1008
1009 while ((retcode = ct_results(sybase_ptr->cmd, &restype))==CS_SUCCEED) {
1010 switch ((int) restype) {
1011 case CS_CMD_SUCCEED:
1012 case CS_CMD_DONE:
1013 break;
1014
1015 case CS_CMD_FAIL:
1016 failure=1;
1017 break;
1018
1019 case CS_STATUS_RESULT:
1020 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT);
1021 break;
1022
1023 default:
1024 failure=1;
1025 break;
1026 }
1027 if (failure) {
1028 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1029 return FAILURE;
1030 }
1031 }
1032
1033 switch (retcode) {
1034 case CS_END_RESULTS:
1035 return SUCCESS;
1036 break;
1037
1038 case CS_FAIL:
1039 /* Hopefully this either cleans up the connection, or the
1040 * connection ends up marked dead so it will be reopened
1041 * if it is persistent. We may want to do
1042 * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the
1043 * doc for ct_results()==CS_FAIL.
1044 */
1045 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1046 /* Don't take chances with the vagaries of ct-lib. Mark it
1047 * dead ourselves.
1048 */
1049 sybase_ptr->dead = 1;
1050 return FAILURE;
1051
1052 default:
1053 return FAILURE;
1054 }
1055 }
1056
1057
1058 /* {{{ proto bool sybase_select_db(string database [, resource link_id])
1059 Select Sybase database */
PHP_FUNCTION(sybase_select_db)1060 PHP_FUNCTION(sybase_select_db)
1061 {
1062 zval *sybase_link_index = NULL;
1063 char *db, *cmdbuf;
1064 int id, len;
1065 sybase_link *sybase_ptr;
1066
1067 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|r", &db, &len, &sybase_link_index) == FAILURE) {
1068 return;
1069 }
1070
1071 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) {
1072 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection");
1073 RETURN_FALSE;
1074 }
1075
1076 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink);
1077
1078 spprintf(&cmdbuf, 4 + len + 1, "use %s", db);
1079 if (exec_cmd(sybase_ptr, cmdbuf) == FAILURE) {
1080 efree(cmdbuf);
1081 RETURN_FALSE;
1082 } else {
1083 efree(cmdbuf);
1084 RETURN_TRUE;
1085 }
1086 }
1087
1088 /* }}} */
1089
php_sybase_finish_results(sybase_result * result TSRMLS_DC)1090 static int php_sybase_finish_results(sybase_result *result TSRMLS_DC)
1091 {
1092 int i, fail;
1093 CS_RETCODE retcode;
1094 CS_INT restype;
1095
1096 efree_n(result->datafmt);
1097 efree_n(result->lengths);
1098 efree_n(result->indicators);
1099 efree_n(result->numerics);
1100 efree_n(result->types);
1101 for (i=0; i<result->num_fields; i++) {
1102 efree(result->tmp_buffer[i]);
1103 }
1104 efree_n(result->tmp_buffer);
1105
1106 /* Indicate we have read all rows */
1107 result->sybase_ptr->active_result_index= 0;
1108
1109 /* The only restype we should get now is CS_CMD_DONE, possibly
1110 * followed by a CS_STATUS_RESULT/CS_CMD_SUCCEED/CS_CMD_DONE
1111 * sequence if the command was a stored procedure call. But we
1112 * still need to read and discard unexpected results. We might
1113 * want to return a failure in this case because the application
1114 * won't be getting all the results it asked for.
1115 */
1116 fail = 0;
1117 while ((retcode = ct_results(result->sybase_ptr->cmd, &restype))==CS_SUCCEED) {
1118 switch ((int) restype) {
1119 case CS_CMD_SUCCEED:
1120 case CS_CMD_DONE:
1121 break;
1122
1123 case CS_CMD_FAIL:
1124 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Command failed, cancelling rest");
1125 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL);
1126 fail = 1;
1127 break;
1128
1129 case CS_COMPUTE_RESULT:
1130 case CS_CURSOR_RESULT:
1131 case CS_PARAM_RESULT:
1132 case CS_ROW_RESULT:
1133 /* Unexpected results, cancel them. */
1134 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Unexpected results, cancelling current");
1135 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_CURRENT);
1136 break;
1137
1138 case CS_STATUS_RESULT:
1139 /* Status result from a stored procedure, cancel it but do not tell user */
1140 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_CURRENT);
1141 break;
1142
1143 default:
1144 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Unexpected results, cancelling all");
1145 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL);
1146 break;
1147 }
1148
1149 if (fail) {
1150 break;
1151 }
1152 }
1153
1154 switch (retcode) {
1155 case CS_END_RESULTS:
1156 /* Normal. */
1157 break;
1158
1159 case CS_FAIL:
1160 /* Hopefully this either cleans up the connection, or the
1161 * connection ends up marked dead so it will be reopened
1162 * if it is persistent. We may want to do
1163 * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the
1164 * doc for ct_results()==CS_FAIL.
1165 */
1166 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL);
1167 /* Don't take chances with the vagaries of ct-lib. Mark it
1168 * dead ourselves.
1169 */
1170 result->sybase_ptr->dead = 1;
1171
1172 case CS_CANCELED:
1173 default:
1174 retcode = CS_FAIL;
1175 break;
1176 }
1177
1178 return retcode;
1179 }
1180
1181 #define RETURN_DOUBLE_VAL(result, buf, length) \
1182 if ((length - 1) <= EG(precision)) { \
1183 errno = 0; \
1184 Z_DVAL(result) = zend_strtod(buf, NULL); \
1185 if (errno != ERANGE) { \
1186 Z_TYPE(result) = IS_DOUBLE; \
1187 } else { \
1188 ZVAL_STRINGL(&result, buf, length- 1, 1); \
1189 } \
1190 } else { \
1191 ZVAL_STRINGL(&result, buf, length- 1, 1); \
1192 }
1193
php_sybase_fetch_result_row(sybase_result * result,int numrows)1194 static int php_sybase_fetch_result_row (sybase_result *result, int numrows)
1195 {
1196 int i, j;
1197 CS_INT retcode;
1198 TSRMLS_FETCH();
1199
1200 /* We've already fetched everything */
1201 if (result->last_retcode == CS_END_DATA || result->last_retcode == CS_END_RESULTS) {
1202 return result->last_retcode;
1203 }
1204
1205 if (numrows!=-1) numrows+= result->num_rows;
1206 while ((retcode=ct_fetch(result->sybase_ptr->cmd, CS_UNUSED, CS_UNUSED, CS_UNUSED, NULL))==CS_SUCCEED || retcode == CS_ROW_FAIL) {
1207 result->num_rows++;
1208 i= result->store ? result->num_rows- 1 : 0;
1209 if (i >= result->blocks_initialized*SYBASE_ROWS_BLOCK) {
1210 result->data = (zval **) safe_erealloc(result->data, SYBASE_ROWS_BLOCK*(++result->blocks_initialized), sizeof(zval *), 0);
1211 }
1212 if (result->store || 1 == result->num_rows) {
1213 result->data[i] = (zval *) safe_emalloc(sizeof(zval), result->num_fields, 0);
1214 }
1215
1216 for (j = 0; j < result->num_fields; j++) {
1217
1218 /* If we are in non-storing mode, free the previous result */
1219 if (!result->store && result->num_rows > 1 && Z_TYPE(result->data[i][j]) == IS_STRING) {
1220 efree(Z_STRVAL(result->data[i][j]));
1221 }
1222
1223 if (result->indicators[j] == -1) { /* null value */
1224 ZVAL_NULL(&result->data[i][j]);
1225 } else {
1226 switch (result->numerics[j]) {
1227 case 1: {
1228 /* This indicates a long */
1229 ZVAL_LONG(&result->data[i][j], strtol(result->tmp_buffer[j], NULL, 10));
1230 break;
1231 }
1232
1233 case 2: {
1234 /* This indicates a float */
1235 RETURN_DOUBLE_VAL(result->data[i][j], result->tmp_buffer[j], result->lengths[j]);
1236 break;
1237 }
1238
1239 case 3: {
1240 /* This indicates either a long or a float, which ever fits */
1241 errno = 0;
1242 Z_LVAL(result->data[i][j]) = strtol(result->tmp_buffer[j], NULL, 10);
1243 if (errno == ERANGE) {
1244
1245 /* An overflow occurred, so try to fit it into a double */
1246 RETURN_DOUBLE_VAL(result->data[i][j], result->tmp_buffer[j], result->lengths[j]);
1247 break;
1248 }
1249 Z_TYPE(result->data[i][j]) = IS_LONG;
1250 break;
1251 }
1252
1253 default: {
1254 /* This indicates anything else, return it as string
1255 * FreeTDS doesn't correctly set result->indicators[j] correctly
1256 * for NULL fields in some version in conjunction with ASE 12.5
1257 * but instead sets result->lengths[j] to 0, which would lead to
1258 * a negative memory allocation (and thus a segfault).
1259 */
1260 if (result->lengths[j] < 1) {
1261 ZVAL_NULL(&result->data[i][j]);
1262 } else {
1263 ZVAL_STRINGL(&result->data[i][j], result->tmp_buffer[j], result->lengths[j]- 1, 1);
1264 }
1265 break;
1266 }
1267 }
1268 }
1269 }
1270 if (numrows!=-1 && result->num_rows>=numrows) break;
1271 }
1272
1273 if (retcode==CS_ROW_FAIL) {
1274 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Error reading row %d", result->num_rows);
1275 return retcode;
1276 }
1277 result->last_retcode= retcode;
1278 switch (retcode) {
1279 case CS_END_DATA:
1280 retcode = php_sybase_finish_results(result TSRMLS_CC);
1281 break;
1282
1283 case CS_ROW_FAIL:
1284 case CS_SUCCEED:
1285 break;
1286
1287 default:
1288 FREE_SYBASE_RESULT(result);
1289 result = NULL;
1290 retcode = CS_FAIL; /* Just to be sure */
1291 break;
1292 }
1293
1294 return retcode;
1295 }
1296
php_sybase_fetch_result_set(sybase_link * sybase_ptr,int buffered,int store)1297 static sybase_result * php_sybase_fetch_result_set (sybase_link *sybase_ptr, int buffered, int store)
1298 {
1299 int num_fields;
1300 sybase_result *result;
1301 int i, j;
1302 CS_INT retcode;
1303
1304 /* The following (if unbuffered) is more or less the equivalent of mysql_store_result().
1305 * fetch all rows from the server into the row buffer, thus:
1306 * 1) Being able to fire up another query without explicitly reading all rows
1307 * 2) Having numrows accessible
1308 */
1309 if (ct_res_info(sybase_ptr->cmd, CS_NUMDATA, &num_fields, CS_UNUSED, NULL)!=CS_SUCCEED) {
1310 return NULL;
1311 }
1312
1313 result = (sybase_result *) emalloc(sizeof(sybase_result));
1314 result->data = (zval **) safe_emalloc(sizeof(zval *), SYBASE_ROWS_BLOCK, 0);
1315 result->fields = NULL;
1316 result->sybase_ptr = sybase_ptr;
1317 result->cur_field=result->cur_row=result->num_rows=0;
1318 result->num_fields = num_fields;
1319 result->last_retcode = 0;
1320 result->store= store;
1321 result->blocks_initialized= 1;
1322 result->tmp_buffer = (char **) safe_emalloc(sizeof(char *), num_fields, 0);
1323 result->lengths = (CS_INT *) safe_emalloc(sizeof(CS_INT), num_fields, 0);
1324 result->indicators = (CS_SMALLINT *) safe_emalloc(sizeof(CS_INT), num_fields, 0);
1325 result->datafmt = (CS_DATAFMT *) safe_emalloc(sizeof(CS_DATAFMT), num_fields, 0);
1326 result->numerics = (unsigned char *) safe_emalloc(sizeof(unsigned char), num_fields, 0);
1327 result->types = (CS_INT *) safe_emalloc(sizeof(CS_INT), num_fields, 0);
1328
1329 for (i=0; i<num_fields; i++) {
1330 ct_describe(sybase_ptr->cmd, i+1, &result->datafmt[i]);
1331 result->types[i] = result->datafmt[i].datatype;
1332 switch (result->datafmt[i].datatype) {
1333 case CS_CHAR_TYPE:
1334 case CS_VARCHAR_TYPE:
1335 case CS_TEXT_TYPE:
1336 case CS_IMAGE_TYPE:
1337 result->datafmt[i].maxlength++;
1338 result->numerics[i] = 0;
1339 break;
1340 case CS_BINARY_TYPE:
1341 case CS_VARBINARY_TYPE:
1342 result->datafmt[i].maxlength *= 2;
1343 result->datafmt[i].maxlength++;
1344 result->numerics[i] = 0;
1345 break;
1346 case CS_BIT_TYPE:
1347 case CS_TINYINT_TYPE:
1348 result->datafmt[i].maxlength = 4;
1349 result->numerics[i] = 1;
1350 break;
1351 case CS_SMALLINT_TYPE:
1352 result->datafmt[i].maxlength = 7;
1353 result->numerics[i] = 1;
1354 break;
1355 case CS_INT_TYPE:
1356 result->datafmt[i].maxlength = 12;
1357 result->numerics[i] = 1;
1358 break;
1359 case CS_REAL_TYPE:
1360 case CS_FLOAT_TYPE:
1361 result->datafmt[i].maxlength = 24;
1362 result->numerics[i] = 2;
1363 break;
1364 case CS_MONEY_TYPE:
1365 case CS_MONEY4_TYPE:
1366 result->datafmt[i].maxlength = 24;
1367 result->numerics[i] = 2;
1368 break;
1369 case CS_DATETIME_TYPE:
1370 case CS_DATETIME4_TYPE:
1371 result->datafmt[i].maxlength = 30;
1372 result->numerics[i] = 0;
1373 break;
1374 case CS_NUMERIC_TYPE:
1375 case CS_DECIMAL_TYPE:
1376 result->datafmt[i].maxlength = result->datafmt[i].precision + 3;
1377 /* numeric(10) vs numeric(10, 1) */
1378 result->numerics[i] = (result->datafmt[i].scale == 0) ? 3 : 2;
1379 break;
1380 default:
1381 result->datafmt[i].maxlength++;
1382 result->numerics[i] = 0;
1383 break;
1384 }
1385 result->tmp_buffer[i] = (char *)emalloc(result->datafmt[i].maxlength);
1386 result->datafmt[i].datatype = CS_CHAR_TYPE;
1387 result->datafmt[i].format = CS_FMT_NULLTERM;
1388 ct_bind(sybase_ptr->cmd, i+1, &result->datafmt[i], result->tmp_buffer[i], &result->lengths[i], &result->indicators[i]);
1389 }
1390
1391 result->fields = (sybase_field *) safe_emalloc(sizeof(sybase_field), num_fields, 0);
1392 j=0;
1393 for (i=0; i<num_fields; i++) {
1394 char computed_buf[16];
1395
1396 if (result->datafmt[i].namelen>0) {
1397 result->fields[i].name = estrndup(result->datafmt[i].name, result->datafmt[i].namelen);
1398 } else {
1399 if (j>0) {
1400 snprintf(computed_buf, 16, "computed%d", j);
1401 } else {
1402 strcpy(computed_buf, "computed");
1403 }
1404 result->fields[i].name = estrdup(computed_buf);
1405 j++;
1406 }
1407 result->fields[i].column_source = STR_EMPTY_ALLOC();
1408 result->fields[i].max_length = result->datafmt[i].maxlength-1;
1409 result->fields[i].numeric = result->numerics[i];
1410 Z_TYPE(result->fields[i]) = result->types[i];
1411 }
1412
1413 if (buffered) {
1414 retcode = CS_SUCCEED;
1415 } else {
1416 if ((retcode = php_sybase_fetch_result_row(result, -1)) == CS_FAIL) {
1417 return NULL;
1418 }
1419 }
1420
1421 result->last_retcode = retcode;
1422 return result;
1423 }
1424
php_sybase_query(INTERNAL_FUNCTION_PARAMETERS,int buffered)1425 static void php_sybase_query (INTERNAL_FUNCTION_PARAMETERS, int buffered)
1426 {
1427 zval *sybase_link_index = NULL;
1428 zend_bool store = 1;
1429 char *query;
1430 int len, id, deadlock_count;
1431 sybase_link *sybase_ptr;
1432 sybase_result *result;
1433 CS_INT restype;
1434 CS_RETCODE retcode;
1435 enum {
1436 Q_RESULT, /* Success with results. */
1437 Q_SUCCESS, /* Success but no results. */
1438 Q_FAILURE, /* Failure, no results. */
1439 } status;
1440
1441 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|rb", &query, &len, &sybase_link_index, &store) == FAILURE) {
1442 return;
1443 }
1444
1445 if (!store && !buffered) {
1446 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Cannot use non-storing mode with buffered queries");
1447 store = 1;
1448 }
1449
1450 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) {
1451 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection");
1452 RETURN_FALSE;
1453 }
1454
1455 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink);
1456
1457 /* Fail if we already marked this connection dead. */
1458 if (sybase_ptr->dead) {
1459 RETURN_FALSE;
1460 }
1461
1462 /* Check to see if a previous sybase_unbuffered_query has read all rows */
1463 if (sybase_ptr->active_result_index) {
1464 zval *tmp = NULL;
1465
1466 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Called without first fetching all rows from a previous unbuffered query");
1467 if (sybase_ptr->cmd) {
1468 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1469 }
1470
1471 /* Get the resultset and free it */
1472 ALLOC_ZVAL(tmp);
1473 Z_LVAL_P(tmp)= sybase_ptr->active_result_index;
1474 Z_TYPE_P(tmp)= IS_RESOURCE;
1475 INIT_PZVAL(tmp);
1476 ZEND_FETCH_RESOURCE(result, sybase_result *, &tmp, -1, "Sybase result", le_result);
1477
1478 if (result) {
1479 php_sybase_finish_results(result TSRMLS_CC);
1480 }
1481
1482 zval_ptr_dtor(&tmp);
1483 zend_list_delete(sybase_ptr->active_result_index);
1484 sybase_ptr->active_result_index= 0;
1485 }
1486
1487 /* Repeat until we don't deadlock. */
1488 deadlock_count= 0;
1489 for (;;) {
1490 result = NULL;
1491 sybase_ptr->deadlock = 0;
1492 sybase_ptr->affected_rows = 0;
1493
1494 /* On Solaris 11.5, ct_command() can be moved outside the
1495 * loop, but not on Linux 11.0.
1496 */
1497 if (ct_command(sybase_ptr->cmd, CS_LANG_CMD, query, CS_NULLTERM, CS_UNUSED)!=CS_SUCCEED) {
1498 /* If this didn't work, the connection is screwed but
1499 * ct-lib might not set CS_CONSTAT_DEAD. So set our own
1500 * flag. This happens sometimes when the database is restarted
1501 * and/or its machine is rebooted, and ct_command() returns
1502 * CS_BUSY for some reason.
1503 */
1504 sybase_ptr->dead = 1;
1505 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Connection is dead");
1506 RETURN_FALSE;
1507 }
1508
1509 if (ct_send(sybase_ptr->cmd)!=CS_SUCCEED) {
1510 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1511 sybase_ptr->dead = 1;
1512 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot send command");
1513 RETURN_FALSE;
1514 }
1515
1516 /* Use the first result set or succeed/fail status and discard the
1517 * others. Applications really shouldn't be making calls that
1518 * return multiple result sets, but if they do then we need to
1519 * properly read or cancel them or the connection will become
1520 * unusable.
1521 */
1522 if (ct_results(sybase_ptr->cmd, &restype)!=CS_SUCCEED) {
1523 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1524 sybase_ptr->dead = 1;
1525 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cannot read results");
1526 RETURN_FALSE;
1527 }
1528 switch ((int) restype) {
1529 case CS_CMD_FAIL:
1530 default:
1531 status = Q_FAILURE;
1532 break;
1533 case CS_CMD_SUCCEED:
1534 case CS_CMD_DONE: {
1535 CS_INT row_count;
1536 if (ct_res_info(sybase_ptr->cmd, CS_ROW_COUNT, &row_count, CS_UNUSED, NULL)==CS_SUCCEED) {
1537 sybase_ptr->affected_rows = (long)row_count;
1538 }
1539 }
1540 /* Fall through */
1541 case CS_COMPUTEFMT_RESULT:
1542 case CS_ROWFMT_RESULT:
1543 case CS_DESCRIBE_RESULT:
1544 case CS_MSG_RESULT:
1545 buffered= 0; /* These queries have no need for buffering */
1546 status = Q_SUCCESS;
1547 break;
1548 case CS_COMPUTE_RESULT:
1549 case CS_CURSOR_RESULT:
1550 case CS_PARAM_RESULT:
1551 case CS_ROW_RESULT:
1552 case CS_STATUS_RESULT:
1553 result = php_sybase_fetch_result_set(sybase_ptr, buffered, store);
1554 if (result == NULL) {
1555 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1556 RETURN_FALSE;
1557 }
1558 status = Q_RESULT;
1559 break;
1560 }
1561
1562 /* Check for left-over results */
1563 if (!buffered && status != Q_RESULT) {
1564 while ((retcode = ct_results(sybase_ptr->cmd, &restype))==CS_SUCCEED) {
1565 switch ((int) restype) {
1566 case CS_CMD_SUCCEED:
1567 case CS_CMD_DONE:
1568 break;
1569
1570 case CS_CMD_FAIL:
1571 status = Q_FAILURE;
1572 break;
1573
1574 case CS_COMPUTE_RESULT:
1575 case CS_CURSOR_RESULT:
1576 case CS_PARAM_RESULT:
1577 case CS_ROW_RESULT:
1578 if (status != Q_RESULT) {
1579 result = php_sybase_fetch_result_set(sybase_ptr, buffered, store);
1580 if (result == NULL) {
1581 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1582 sybase_ptr->dead = 1;
1583 RETURN_FALSE;
1584 }
1585 status = Q_RESULT;
1586 retcode = result->last_retcode;
1587 } else {
1588 /* Unexpected results, cancel them. */
1589 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT);
1590 }
1591 break;
1592 case CS_STATUS_RESULT:
1593 /* Unexpected results, cancel them. */
1594 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_CURRENT);
1595 break;
1596
1597 default:
1598 status = Q_FAILURE;
1599 break;
1600 }
1601 if (status == Q_FAILURE) {
1602 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1603 }
1604 if (retcode == CS_END_RESULTS) {
1605 break;
1606 }
1607 }
1608 switch (retcode) {
1609 case CS_END_RESULTS:
1610 /* Normal. */
1611 break;
1612
1613 case CS_FAIL:
1614 /* Hopefully this either cleans up the connection, or the
1615 * connection ends up marked dead so it will be reopened
1616 * if it is persistent. We may want to do
1617 * ct_close(CS_FORCE_CLOSE) if ct_cancel() fails; see the
1618 * doc for ct_results()==CS_FAIL.
1619 */
1620 ct_cancel(NULL, sybase_ptr->cmd, CS_CANCEL_ALL);
1621 /* Don't take chances with the vagaries of ct-lib. Mark it
1622 * dead ourselves.
1623 */
1624 sybase_ptr->dead = 1;
1625 case CS_CANCELED:
1626 default:
1627 status = Q_FAILURE;
1628 break;
1629 }
1630 }
1631
1632 /* Retry deadlocks up until deadlock_retry_count times */
1633 if (sybase_ptr->deadlock && SybCtG(deadlock_retry_count) != -1 && ++deadlock_count > SybCtG(deadlock_retry_count)) {
1634 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Retried deadlock %d times [max: %ld], giving up", deadlock_count- 1, SybCtG(deadlock_retry_count));
1635 FREE_SYBASE_RESULT(result);
1636 break;
1637 }
1638
1639 /* If query completed without deadlock, break out of the loop.
1640 * Sometimes deadlock results in failures and sometimes not,
1641 * it seems to depend on the server flavor. But we want to
1642 * retry all deadlocks.
1643 */
1644 if (sybase_ptr->dead || sybase_ptr->deadlock == 0) {
1645 break;
1646 }
1647
1648 /* Get rid of any results we may have fetched. This happens:
1649 * e.g., our result set may be a stored procedure status which
1650 * is returned even if the stored procedure deadlocks. As an
1651 * optimization, we could try not to fetch results in known
1652 * deadlock conditions, but deadlock is (should be) rare.
1653 */
1654 FREE_SYBASE_RESULT(result);
1655 }
1656
1657 if (status == Q_SUCCESS) {
1658 RETURN_TRUE;
1659 }
1660
1661 if (status == Q_FAILURE) {
1662 FREE_SYBASE_RESULT(result);
1663 RETURN_FALSE;
1664 }
1665
1666 /* Indicate we have data in case of buffered queries */
1667 id= ZEND_REGISTER_RESOURCE(return_value, result, le_result);
1668 sybase_ptr->active_result_index= buffered ? id : 0;
1669 }
1670
1671 /* {{{ proto int sybase_query(string query [, resource link_id])
1672 Send Sybase query */
PHP_FUNCTION(sybase_query)1673 PHP_FUNCTION(sybase_query)
1674 {
1675 php_sybase_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
1676 }
1677 /* }}} */
1678
1679 /* {{{ proto int sybase_unbuffered_query(string query [, resource link_id])
1680 Send Sybase query */
PHP_FUNCTION(sybase_unbuffered_query)1681 PHP_FUNCTION(sybase_unbuffered_query)
1682 {
1683 php_sybase_query(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
1684 }
1685
1686 /* {{{ proto bool sybase_free_result(resource result)
1687 Free result memory */
PHP_FUNCTION(sybase_free_result)1688 PHP_FUNCTION(sybase_free_result)
1689 {
1690 zval *sybase_result_index = NULL;
1691 sybase_result *result;
1692
1693 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) {
1694 return;
1695 }
1696 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1697
1698 /* Did we fetch up until the end? */
1699 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS) {
1700 /* php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Cancelling the rest of the results"); */
1701 ct_cancel(NULL, result->sybase_ptr->cmd, CS_CANCEL_ALL);
1702 php_sybase_finish_results(result TSRMLS_CC);
1703 }
1704
1705 zend_list_delete(Z_LVAL_P(sybase_result_index));
1706 RETURN_TRUE;
1707 }
1708
1709 /* }}} */
1710
1711 /* {{{ proto string sybase_get_last_message(void)
1712 Returns the last message from server (over min_message_severity) */
PHP_FUNCTION(sybase_get_last_message)1713 PHP_FUNCTION(sybase_get_last_message)
1714 {
1715 RETURN_STRING(SybCtG(server_message), 1);
1716 }
1717 /* }}} */
1718
1719 /* {{{ proto int sybase_num_rows(resource result)
1720 Get number of rows in result */
PHP_FUNCTION(sybase_num_rows)1721 PHP_FUNCTION(sybase_num_rows)
1722 {
1723 zval *sybase_result_index = NULL;
1724 sybase_result *result;
1725
1726 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) {
1727 return;
1728 }
1729 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1730
1731 Z_LVAL_P(return_value) = result->num_rows;
1732 Z_TYPE_P(return_value) = IS_LONG;
1733 }
1734
1735 /* }}} */
1736
1737 /* {{{ proto int sybase_num_fields(resource result)
1738 Get number of fields in result */
PHP_FUNCTION(sybase_num_fields)1739 PHP_FUNCTION(sybase_num_fields)
1740 {
1741 zval *sybase_result_index = NULL;
1742 sybase_result *result;
1743
1744 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) {
1745 return;
1746 }
1747 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1748
1749 Z_LVAL_P(return_value) = result->num_fields;
1750 Z_TYPE_P(return_value) = IS_LONG;
1751 }
1752
1753 /* }}} */
1754
1755 /* {{{ proto array sybase_fetch_row(resource result)
1756 Get row as enumerated array */
PHP_FUNCTION(sybase_fetch_row)1757 PHP_FUNCTION(sybase_fetch_row)
1758 {
1759 zval *sybase_result_index = NULL;
1760 int i;
1761 sybase_result *result;
1762 zval *field_content;
1763
1764 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) {
1765 return;
1766 }
1767 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1768
1769 /* Unbuffered? */
1770 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS) {
1771 php_sybase_fetch_result_row(result, 1);
1772 }
1773
1774 /* At the end? */
1775 if (result->cur_row >= result->num_rows) {
1776 RETURN_FALSE;
1777 }
1778
1779 array_init(return_value);
1780 for (i=0; i<result->num_fields; i++) {
1781 ALLOC_ZVAL(field_content);
1782 *field_content = result->data[result->store ? result->cur_row : 0][i];
1783 INIT_PZVAL(field_content);
1784 zval_copy_ctor(field_content);
1785 zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &field_content, sizeof(zval* ), NULL);
1786 }
1787 result->cur_row++;
1788 }
1789
1790 /* }}} */
1791
php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS,int numerics)1792 static void php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int numerics)
1793 {
1794 zval *sybase_result_index = NULL;
1795 sybase_result *result;
1796 int i, j;
1797 zval *tmp;
1798 char name[32];
1799
1800 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &sybase_result_index) == FAILURE) {
1801 return;
1802 }
1803 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1804
1805 /* Unbuffered ? Fetch next row */
1806 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS) {
1807 php_sybase_fetch_result_row(result, 1);
1808 }
1809
1810 /* At the end? */
1811 if (result->cur_row >= result->num_rows) {
1812 RETURN_FALSE;
1813 }
1814
1815 array_init(return_value);
1816
1817 j= 1;
1818 for (i=0; i<result->num_fields; i++) {
1819 ALLOC_ZVAL(tmp);
1820 *tmp = result->data[result->store ? result->cur_row : 0][i];
1821 INIT_PZVAL(tmp);
1822 if (PG(magic_quotes_runtime) && Z_TYPE_P(tmp) == IS_STRING) {
1823 Z_STRVAL_P(tmp) = php_addslashes(Z_STRVAL_P(tmp), Z_STRLEN_P(tmp), &Z_STRLEN_P(tmp), 0 TSRMLS_CC);
1824 } else {
1825 zval_copy_ctor(tmp);
1826 }
1827 if (numerics) {
1828 zend_hash_index_update(Z_ARRVAL_P(return_value), i, (void *) &tmp, sizeof(zval *), NULL);
1829 Z_ADDREF_P(tmp);
1830 }
1831
1832 if (zend_hash_exists(Z_ARRVAL_P(return_value), result->fields[i].name, strlen(result->fields[i].name)+1)) {
1833 snprintf(name, 32, "%s%d", result->fields[i].name, j);
1834 result->fields[i].name= estrdup(name);
1835 j++;
1836 }
1837 zend_hash_update(Z_ARRVAL_P(return_value), result->fields[i].name, strlen(result->fields[i].name)+1, (void *) &tmp, sizeof(zval *), NULL);
1838 }
1839 result->cur_row++;
1840 }
1841
1842
1843 /* {{{ proto object sybase_fetch_object(resource result [, mixed object])
1844 Fetch row as object */
PHP_FUNCTION(sybase_fetch_object)1845 PHP_FUNCTION(sybase_fetch_object)
1846 {
1847 zval *object = NULL;
1848 zval *sybase_result_index = NULL;
1849 zend_class_entry *ce = NULL;
1850 sybase_result *result;
1851
1852 /* Was a second parameter given? */
1853 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|z", &sybase_result_index, &object) == FAILURE) {
1854 return;
1855 }
1856 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1857
1858 ce = ZEND_STANDARD_CLASS_DEF_PTR;
1859 if (NULL != object) {
1860 switch (Z_TYPE_P(object)) {
1861 case IS_OBJECT: {
1862 ce = Z_OBJCE_P(object);
1863 break;
1864 }
1865
1866 case IS_NULL: {
1867 /* Use default (ZEND_STANDARD_CLASS_DEF_PTR) */
1868 break;
1869 }
1870
1871 default: {
1872 zend_class_entry **pce = NULL;
1873 convert_to_string(object);
1874
1875 if (zend_lookup_class(Z_STRVAL_P(object), Z_STRLEN_P(object), &pce TSRMLS_CC) == FAILURE) {
1876 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Sybase: Class %s has not been declared", Z_STRVAL_P(object));
1877 /* Use default (ZEND_STANDARD_CLASS_DEF_PTR) */
1878 } else {
1879 ce = *pce;
1880 }
1881 }
1882 }
1883 }
1884
1885 /* Reset no. of arguments to 1 so that we can use INTERNAL_FUNCTION_PARAM_PASSTHRU */
1886 ht= 1;
1887 php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
1888 if (Z_TYPE_P(return_value) == IS_ARRAY) {
1889 object_and_properties_init(return_value, ce, Z_ARRVAL_P(return_value));
1890 }
1891 }
1892 /* }}} */
1893
1894 /* {{{ proto array sybase_fetch_array(resource result)
1895 Fetch row as array */
PHP_FUNCTION(sybase_fetch_array)1896 PHP_FUNCTION(sybase_fetch_array)
1897 {
1898 php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
1899 }
1900 /* }}} */
1901
1902 /* {{{ proto array sybase_fetch_assoc(resource result)
1903 Fetch row as array without numberic indices */
PHP_FUNCTION(sybase_fetch_assoc)1904 PHP_FUNCTION(sybase_fetch_assoc)
1905 {
1906 php_sybase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
1907 }
1908 /* }}} */
1909
1910 /* {{{ proto bool sybase_data_seek(resource result, int offset)
1911 Move internal row pointer */
PHP_FUNCTION(sybase_data_seek)1912 PHP_FUNCTION(sybase_data_seek)
1913 {
1914 zval *sybase_result_index = NULL;
1915 long offset;
1916 sybase_result *result;
1917
1918 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &sybase_result_index, &offset) == FAILURE) {
1919 return;
1920 }
1921 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1922
1923 /* Unbuffered ? */
1924 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS && offset >= result->num_rows) {
1925 php_sybase_fetch_result_row(result, offset+ 1);
1926 }
1927
1928 if (offset < 0 || offset >= result->num_rows) {
1929 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad row offset %ld, must be betweem 0 and %d", offset, result->num_rows - 1);
1930 RETURN_FALSE;
1931 }
1932
1933 result->cur_row = offset;
1934 RETURN_TRUE;
1935 }
1936 /* }}} */
1937
php_sybase_get_field_name(CS_INT type)1938 static char *php_sybase_get_field_name(CS_INT type)
1939 {
1940 switch (type) {
1941 case CS_CHAR_TYPE:
1942 case CS_VARCHAR_TYPE:
1943 case CS_TEXT_TYPE:
1944 return "string";
1945 break;
1946 case CS_IMAGE_TYPE:
1947 return "image";
1948 break;
1949 case CS_BINARY_TYPE:
1950 case CS_VARBINARY_TYPE:
1951 return "blob";
1952 break;
1953 case CS_BIT_TYPE:
1954 return "bit";
1955 break;
1956 case CS_TINYINT_TYPE:
1957 case CS_SMALLINT_TYPE:
1958 case CS_INT_TYPE:
1959 return "int";
1960 break;
1961 case CS_REAL_TYPE:
1962 case CS_FLOAT_TYPE:
1963 case CS_NUMERIC_TYPE:
1964 case CS_DECIMAL_TYPE:
1965 return "real";
1966 break;
1967 case CS_MONEY_TYPE:
1968 case CS_MONEY4_TYPE:
1969 return "money";
1970 break;
1971 case CS_DATETIME_TYPE:
1972 case CS_DATETIME4_TYPE:
1973 return "datetime";
1974 break;
1975 default:
1976 return "unknown";
1977 break;
1978 }
1979 }
1980
1981
1982 /* {{{ proto object sybase_fetch_field(resource result [, int offset])
1983 Get field information */
PHP_FUNCTION(sybase_fetch_field)1984 PHP_FUNCTION(sybase_fetch_field)
1985 {
1986 zval *sybase_result_index = NULL;
1987 long field_offset = -1;
1988 sybase_result *result;
1989
1990 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r|l", &sybase_result_index, &field_offset) == FAILURE) {
1991 return;
1992 }
1993 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
1994
1995 if (field_offset == -1) {
1996 field_offset = result->cur_field;
1997 result->cur_field++;
1998 }
1999
2000 if (field_offset < 0 || field_offset >= result->num_fields) {
2001 if (ZEND_NUM_ARGS() == 2) { /* field specified explicitly */
2002 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset");
2003 }
2004 RETURN_FALSE;
2005 }
2006
2007 object_init(return_value);
2008
2009 add_property_string(return_value, "name", result->fields[field_offset].name, 1);
2010 add_property_long(return_value, "max_length", result->fields[field_offset].max_length);
2011 add_property_string(return_value, "column_source", result->fields[field_offset].column_source, 1);
2012 add_property_long(return_value, "numeric", result->fields[field_offset].numeric);
2013 add_property_string(return_value, "type", php_sybase_get_field_name(Z_TYPE(result->fields[field_offset])), 1);
2014 }
2015 /* }}} */
2016
2017
2018 /* {{{ proto bool sybase_field_seek(resource result, int offset)
2019 Set field offset */
PHP_FUNCTION(sybase_field_seek)2020 PHP_FUNCTION(sybase_field_seek)
2021 {
2022 zval *sybase_result_index = NULL;
2023 long field_offset;
2024 sybase_result *result;
2025
2026 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rl", &sybase_result_index, &field_offset) == FAILURE) {
2027 return;
2028 }
2029 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
2030
2031 if (field_offset < 0 || field_offset >= result->num_fields) {
2032 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset");
2033 RETURN_FALSE;
2034 }
2035
2036 result->cur_field = field_offset;
2037 RETURN_TRUE;
2038 }
2039 /* }}} */
2040
2041
2042 /* {{{ proto string sybase_result(resource result, int row, mixed field)
2043 Get result data */
PHP_FUNCTION(sybase_result)2044 PHP_FUNCTION(sybase_result)
2045 {
2046 zval *field;
2047 zval *sybase_result_index = NULL;
2048 long row;
2049 int field_offset = 0;
2050 sybase_result *result;
2051
2052 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rlz", &sybase_result_index, &row, &field) == FAILURE) {
2053 return;
2054 }
2055 ZEND_FETCH_RESOURCE(result, sybase_result *, &sybase_result_index, -1, "Sybase result", le_result);
2056
2057 /* Unbuffered ? */
2058 if (result->last_retcode != CS_END_DATA && result->last_retcode != CS_END_RESULTS && row >= result->num_rows) {
2059 php_sybase_fetch_result_row(result, row);
2060 }
2061
2062 if (row < 0 || row >= result->num_rows) {
2063 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad row offset (%ld)", row);
2064 RETURN_FALSE;
2065 }
2066
2067 switch(Z_TYPE_P(field)) {
2068 case IS_STRING: {
2069 int i;
2070
2071 for (i = 0; i < result->num_fields; i++) {
2072 if (strcasecmp(result->fields[i].name, Z_STRVAL_P(field)) == 0) {
2073 field_offset = i;
2074 break;
2075 }
2076 }
2077 if (i >= result->num_fields) { /* no match found */
2078 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: %s field not found in result", Z_STRVAL_P(field));
2079 RETURN_FALSE;
2080 }
2081 break;
2082 }
2083 default:
2084 convert_to_long(field);
2085 field_offset = Z_LVAL_P(field);
2086 if (field_offset < 0 || field_offset >= result->num_fields) {
2087 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: Bad column offset specified");
2088 RETURN_FALSE;
2089 }
2090 break;
2091 }
2092
2093 *return_value = result->data[row][field_offset];
2094 zval_copy_ctor(return_value);
2095 }
2096 /* }}} */
2097
2098
2099 /* {{{ proto int sybase_affected_rows([resource link_id])
2100 Get number of affected rows in last query */
PHP_FUNCTION(sybase_affected_rows)2101 PHP_FUNCTION(sybase_affected_rows)
2102 {
2103 zval *sybase_link_index = NULL;
2104 sybase_link *sybase_ptr;
2105 int id;
2106
2107 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &sybase_link_index) == FAILURE) {
2108 return;
2109 }
2110
2111 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) {
2112 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Sybase: No connection");
2113 RETURN_FALSE;
2114 }
2115
2116 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink);
2117
2118 Z_LVAL_P(return_value) = sybase_ptr->affected_rows;
2119 Z_TYPE_P(return_value) = IS_LONG;
2120 }
2121 /* }}} */
2122
2123
PHP_MINFO_FUNCTION(sybase)2124 PHP_MINFO_FUNCTION(sybase)
2125 {
2126 char buf[32];
2127
2128 php_info_print_table_start();
2129 php_info_print_table_header(2, "Sybase_CT Support", "enabled" );
2130 snprintf(buf, sizeof(buf), "%ld", SybCtG(num_persistent));
2131 php_info_print_table_row(2, "Active Persistent Links", buf);
2132 snprintf(buf, sizeof(buf), "%ld", SybCtG(num_links));
2133 php_info_print_table_row(2, "Active Links", buf);
2134 snprintf(buf, sizeof(buf), "%ld", SybCtG(min_server_severity));
2135 php_info_print_table_row(2, "Min server severity", buf);
2136 snprintf(buf, sizeof(buf), "%ld", SybCtG(min_client_severity));
2137 php_info_print_table_row(2, "Min client severity", buf);
2138 php_info_print_table_row(2, "Application Name", SybCtG(appname));
2139 snprintf(buf, sizeof(buf), "%ld", SybCtG(deadlock_retry_count));
2140 php_info_print_table_row(2, "Deadlock retry count", buf);
2141 php_info_print_table_end();
2142
2143 DISPLAY_INI_ENTRIES();
2144 }
2145
2146
2147 /* {{{ proto void sybase_min_client_severity(int severity)
2148 Sets minimum client severity */
PHP_FUNCTION(sybase_min_client_severity)2149 PHP_FUNCTION(sybase_min_client_severity)
2150 {
2151 long severity;
2152
2153 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &severity) == FAILURE) {
2154 return;
2155 }
2156
2157 SybCtG(min_client_severity) = severity;
2158 }
2159 /* }}} */
2160
2161
2162 /* {{{ proto void sybase_min_server_severity(int severity)
2163 Sets minimum server severity */
PHP_FUNCTION(sybase_min_server_severity)2164 PHP_FUNCTION(sybase_min_server_severity)
2165 {
2166 long severity;
2167
2168 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &severity) == FAILURE) {
2169 return;
2170 }
2171
2172 SybCtG(min_server_severity) = severity;
2173 }
2174 /* }}} */
2175
2176 /* {{{ proto void sybase_deadlock_retry_count(int retry_count)
2177 Sets deadlock retry count */
PHP_FUNCTION(sybase_deadlock_retry_count)2178 PHP_FUNCTION(sybase_deadlock_retry_count)
2179 {
2180 long retry_count;
2181
2182 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &retry_count) == FAILURE) {
2183 return;
2184 }
2185
2186 SybCtG(deadlock_retry_count) = retry_count;
2187 }
2188 /* }}} */
2189
2190
2191 /* {{{ proto bool sybase_set_message_handler(mixed error_func [, resource connection])
2192 Set the error handler, to be called when a server message is raised.
2193 If error_func is NULL the handler will be deleted */
PHP_FUNCTION(sybase_set_message_handler)2194 PHP_FUNCTION(sybase_set_message_handler)
2195 {
2196 zend_fcall_info fci = empty_fcall_info;
2197 zend_fcall_info_cache cache = empty_fcall_info_cache;
2198 zval *sybase_link_index= NULL;
2199 sybase_link *sybase_ptr;
2200 zval **callback;
2201 int id;
2202
2203 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "f!|r", &fci, &cache, &sybase_link_index) == FAILURE) {
2204 return;
2205 }
2206
2207 if (php_sybase_connection_id(sybase_link_index, &id TSRMLS_CC) == FAILURE) {
2208
2209 /* Doesn't matter if we're not connected yet, use default */
2210 callback= &SybCtG(callback_name);
2211 } else if (-1 == id) {
2212
2213 /* Connection-based message handler */
2214 ZEND_FETCH_RESOURCE2(sybase_ptr, sybase_link *, &sybase_link_index, id, "Sybase-Link", le_link, le_plink);
2215 callback= &sybase_ptr->callback_name;
2216 } else {
2217
2218 /* Default message handler */
2219 callback= &SybCtG(callback_name);
2220 }
2221
2222 /* Clean old callback */
2223 if (*callback) {
2224 zval_ptr_dtor(callback);
2225 *callback = NULL;
2226 }
2227
2228 if (ZEND_FCI_INITIALIZED(fci)) {
2229 ALLOC_ZVAL(*callback);
2230 **callback = *fci.function_name;
2231 INIT_PZVAL(*callback);
2232 zval_copy_ctor(*callback);
2233 } else {
2234 callback= NULL;
2235 }
2236
2237 RETURN_TRUE;
2238 }
2239 /* }}} */
2240
2241
2242 #endif
2243
2244 /*
2245 * Local variables:
2246 * tab-width: 4
2247 * c-basic-offset: 4
2248 * End:
2249 */
2250
