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-rw-r--r--src/pq/pq_result_helper.c107
1 files changed, 95 insertions, 12 deletions
diff --git a/src/pq/pq_result_helper.c b/src/pq/pq_result_helper.c
index d9fed26a6..dc1a1554f 100644
--- a/src/pq/pq_result_helper.c
+++ b/src/pq/pq_result_helper.c
@@ -2,16 +2,18 @@
2 This file is part of GNUnet 2 This file is part of GNUnet
3 Copyright (C) 2014, 2015, 2016 GNUnet e.V. 3 Copyright (C) 2014, 2015, 2016 GNUnet e.V.
4 4
5 GNUnet is free software; you can redistribute it and/or modify it under the 5 GNUnet is free software: you can redistribute it and/or modify it
6 terms of the GNU General Public License as published by the Free Software 6 under the terms of the GNU Affero General Public License as published
7 Foundation; either version 3, or (at your option) any later version. 7 by the Free Software Foundation, either version 3 of the License,
8 8 or (at your option) any later version.
9 GNUnet is distributed in the hope that it will be useful, but WITHOUT ANY 9
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 10 GNUnet is distributed in the hope that it will be useful, but
11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 You should have received a copy of the GNU General Public License along with 13 Affero General Public License for more details.
14 GNUnet; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/> 14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
15*/ 17*/
16/** 18/**
17 * @file pq/pq_result_helper.c 19 * @file pq/pq_result_helper.c
@@ -36,6 +38,7 @@ clean_varsize_blob (void *cls,
36{ 38{
37 void **dst = rd; 39 void **dst = rd;
38 40
41 (void) cls;
39 if (NULL != *dst) 42 if (NULL != *dst)
40 { 43 {
41 GNUNET_free (*dst); 44 GNUNET_free (*dst);
@@ -70,6 +73,7 @@ extract_varsize_blob (void *cls,
70 void *idst; 73 void *idst;
71 int fnum; 74 int fnum;
72 75
76 (void) cls;
73 *dst_size = 0; 77 *dst_size = 0;
74 *((void **) dst) = NULL; 78 *((void **) dst) = NULL;
75 79
@@ -152,6 +156,7 @@ extract_fixed_blob (void *cls,
152 const char *res; 156 const char *res;
153 int fnum; 157 int fnum;
154 158
159 (void) cls;
155 fnum = PQfnumber (result, 160 fnum = PQfnumber (result,
156 fname); 161 fname);
157 if (fnum < 0) 162 if (fnum < 0)
@@ -235,6 +240,7 @@ extract_rsa_public_key (void *cls,
235 const char *res; 240 const char *res;
236 int fnum; 241 int fnum;
237 242
243 (void) cls;
238 *pk = NULL; 244 *pk = NULL;
239 fnum = PQfnumber (result, 245 fnum = PQfnumber (result,
240 fname); 246 fname);
@@ -282,6 +288,7 @@ clean_rsa_public_key (void *cls,
282{ 288{
283 struct GNUNET_CRYPTO_RsaPublicKey **pk = rd; 289 struct GNUNET_CRYPTO_RsaPublicKey **pk = rd;
284 290
291 (void) cls;
285 if (NULL != *pk) 292 if (NULL != *pk)
286 { 293 {
287 GNUNET_CRYPTO_rsa_public_key_free (*pk); 294 GNUNET_CRYPTO_rsa_public_key_free (*pk);
@@ -336,6 +343,7 @@ extract_rsa_signature (void *cls,
336 const char *res; 343 const char *res;
337 int fnum; 344 int fnum;
338 345
346 (void) cls;
339 *sig = NULL; 347 *sig = NULL;
340 fnum = PQfnumber (result, 348 fnum = PQfnumber (result,
341 fname); 349 fname);
@@ -383,6 +391,7 @@ clean_rsa_signature (void *cls,
383{ 391{
384 struct GNUNET_CRYPTO_RsaSignature **sig = rd; 392 struct GNUNET_CRYPTO_RsaSignature **sig = rd;
385 393
394 (void) cls;
386 if (NULL != *sig) 395 if (NULL != *sig)
387 { 396 {
388 GNUNET_CRYPTO_rsa_signature_free (*sig); 397 GNUNET_CRYPTO_rsa_signature_free (*sig);
@@ -437,6 +446,7 @@ extract_string (void *cls,
437 const char *res; 446 const char *res;
438 int fnum; 447 int fnum;
439 448
449 (void) cls;
440 *str = NULL; 450 *str = NULL;
441 fnum = PQfnumber (result, 451 fnum = PQfnumber (result,
442 fname); 452 fname);
@@ -484,6 +494,7 @@ clean_string (void *cls,
484{ 494{
485 char **str = rd; 495 char **str = rd;
486 496
497 (void) cls;
487 if (NULL != *str) 498 if (NULL != *str)
488 { 499 {
489 GNUNET_free (*str); 500 GNUNET_free (*str);
@@ -513,6 +524,71 @@ GNUNET_PQ_result_spec_string (const char *name,
513 524
514 525
515/** 526/**
527 * Extract data from a Postgres database @a result at row @a row.
528 *
529 * @param cls closure
530 * @param result where to extract data from
531 * @param int row to extract data from
532 * @param fname name (or prefix) of the fields to extract from
533 * @param[in,out] dst_size where to store size of result, may be NULL
534 * @param[out] dst where to store the result
535 * @return
536 * #GNUNET_YES if all results could be extracted
537 * #GNUNET_SYSERR if a result was invalid (non-existing field or NULL)
538 */
539static int
540extract_abs_time (void *cls,
541 PGresult *result,
542 int row,
543 const char *fname,
544 size_t *dst_size,
545 void *dst)
546{
547 struct GNUNET_TIME_Absolute *udst = dst;
548 const int64_t *res;
549 int fnum;
550
551 (void) cls;
552 fnum = PQfnumber (result,
553 fname);
554 if (fnum < 0)
555 {
556 GNUNET_break (0);
557 return GNUNET_SYSERR;
558 }
559 if (PQgetisnull (result,
560 row,
561 fnum))
562 {
563 GNUNET_break (0);
564 return GNUNET_SYSERR;
565 }
566 GNUNET_assert (NULL != dst);
567 if (sizeof (struct GNUNET_TIME_Absolute) != *dst_size)
568 {
569 GNUNET_break (0);
570 return GNUNET_SYSERR;
571 }
572 if (sizeof (int64_t) !=
573 PQgetlength (result,
574 row,
575 fnum))
576 {
577 GNUNET_break (0);
578 return GNUNET_SYSERR;
579 }
580 res = (int64_t *) PQgetvalue (result,
581 row,
582 fnum);
583 if (INT64_MAX == *res)
584 *udst = GNUNET_TIME_UNIT_FOREVER_ABS;
585 else
586 udst->abs_value_us = GNUNET_ntohll ((uint64_t) *res);
587 return GNUNET_OK;
588}
589
590
591/**
516 * Absolute time expected. 592 * Absolute time expected.
517 * 593 *
518 * @param name name of the field in the table 594 * @param name name of the field in the table
@@ -523,8 +599,12 @@ struct GNUNET_PQ_ResultSpec
523GNUNET_PQ_result_spec_absolute_time (const char *name, 599GNUNET_PQ_result_spec_absolute_time (const char *name,
524 struct GNUNET_TIME_Absolute *at) 600 struct GNUNET_TIME_Absolute *at)
525{ 601{
526 return GNUNET_PQ_result_spec_uint64 (name, 602 struct GNUNET_PQ_ResultSpec res =
527 &at->abs_value_us); 603 { &extract_abs_time,
604 NULL,
605 NULL,
606 (void *) at, sizeof (*at), (name), NULL };
607 return res;
528} 608}
529 609
530 610
@@ -570,6 +650,7 @@ extract_uint16 (void *cls,
570 const uint16_t *res; 650 const uint16_t *res;
571 int fnum; 651 int fnum;
572 652
653 (void) cls;
573 fnum = PQfnumber (result, 654 fnum = PQfnumber (result,
574 fname); 655 fname);
575 if (fnum < 0) 656 if (fnum < 0)
@@ -651,6 +732,7 @@ extract_uint32 (void *cls,
651 const uint32_t *res; 732 const uint32_t *res;
652 int fnum; 733 int fnum;
653 734
735 (void) cls;
654 fnum = PQfnumber (result, 736 fnum = PQfnumber (result,
655 fname); 737 fname);
656 if (fnum < 0) 738 if (fnum < 0)
@@ -732,6 +814,7 @@ extract_uint64 (void *cls,
732 const uint64_t *res; 814 const uint64_t *res;
733 int fnum; 815 int fnum;
734 816
817 (void) cls;
735 fnum = PQfnumber (result, 818 fnum = PQfnumber (result,
736 fname); 819 fname);
737 if (fnum < 0) 820 if (fnum < 0)