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Diffstat (limited to 'src/pq/pq_result_helper.c')
-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 d9fed26a6a..dc1a1554f3 100644
--- a/src/pq/pq_result_helper.c
+++ b/src/pq/pq_result_helper.c
@@ -2,16 +2,18 @@
This file is part of GNUnet
Copyright (C) 2014, 2015, 2016 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify it under the
- terms of the GNU General Public License as published by the Free Software
- Foundation; either version 3, or (at your option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along with
- GNUnet; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file pq/pq_result_helper.c
@@ -36,6 +38,7 @@ clean_varsize_blob (void *cls,
{
void **dst = rd;
+ (void) cls;
if (NULL != *dst)
{
GNUNET_free (*dst);
@@ -70,6 +73,7 @@ extract_varsize_blob (void *cls,
void *idst;
int fnum;
+ (void) cls;
*dst_size = 0;
*((void **) dst) = NULL;
@@ -152,6 +156,7 @@ extract_fixed_blob (void *cls,
const char *res;
int fnum;
+ (void) cls;
fnum = PQfnumber (result,
fname);
if (fnum < 0)
@@ -235,6 +240,7 @@ extract_rsa_public_key (void *cls,
const char *res;
int fnum;
+ (void) cls;
*pk = NULL;
fnum = PQfnumber (result,
fname);
@@ -282,6 +288,7 @@ clean_rsa_public_key (void *cls,
{
struct GNUNET_CRYPTO_RsaPublicKey **pk = rd;
+ (void) cls;
if (NULL != *pk)
{
GNUNET_CRYPTO_rsa_public_key_free (*pk);
@@ -336,6 +343,7 @@ extract_rsa_signature (void *cls,
const char *res;
int fnum;
+ (void) cls;
*sig = NULL;
fnum = PQfnumber (result,
fname);
@@ -383,6 +391,7 @@ clean_rsa_signature (void *cls,
{
struct GNUNET_CRYPTO_RsaSignature **sig = rd;
+ (void) cls;
if (NULL != *sig)
{
GNUNET_CRYPTO_rsa_signature_free (*sig);
@@ -437,6 +446,7 @@ extract_string (void *cls,
const char *res;
int fnum;
+ (void) cls;
*str = NULL;
fnum = PQfnumber (result,
fname);
@@ -484,6 +494,7 @@ clean_string (void *cls,
{
char **str = rd;
+ (void) cls;
if (NULL != *str)
{
GNUNET_free (*str);
@@ -513,6 +524,71 @@ GNUNET_PQ_result_spec_string (const char *name,
/**
+ * Extract data from a Postgres database @a result at row @a row.
+ *
+ * @param cls closure
+ * @param result where to extract data from
+ * @param int row to extract data from
+ * @param fname name (or prefix) of the fields to extract from
+ * @param[in,out] dst_size where to store size of result, may be NULL
+ * @param[out] dst where to store the result
+ * @return
+ * #GNUNET_YES if all results could be extracted
+ * #GNUNET_SYSERR if a result was invalid (non-existing field or NULL)
+ */
+static int
+extract_abs_time (void *cls,
+ PGresult *result,
+ int row,
+ const char *fname,
+ size_t *dst_size,
+ void *dst)
+{
+ struct GNUNET_TIME_Absolute *udst = dst;
+ const int64_t *res;
+ int fnum;
+
+ (void) cls;
+ fnum = PQfnumber (result,
+ fname);
+ if (fnum < 0)
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ if (PQgetisnull (result,
+ row,
+ fnum))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_assert (NULL != dst);
+ if (sizeof (struct GNUNET_TIME_Absolute) != *dst_size)
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ if (sizeof (int64_t) !=
+ PQgetlength (result,
+ row,
+ fnum))
+ {
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
+ res = (int64_t *) PQgetvalue (result,
+ row,
+ fnum);
+ if (INT64_MAX == *res)
+ *udst = GNUNET_TIME_UNIT_FOREVER_ABS;
+ else
+ udst->abs_value_us = GNUNET_ntohll ((uint64_t) *res);
+ return GNUNET_OK;
+}
+
+
+/**
* Absolute time expected.
*
* @param name name of the field in the table
@@ -523,8 +599,12 @@ struct GNUNET_PQ_ResultSpec
GNUNET_PQ_result_spec_absolute_time (const char *name,
struct GNUNET_TIME_Absolute *at)
{
- return GNUNET_PQ_result_spec_uint64 (name,
- &at->abs_value_us);
+ struct GNUNET_PQ_ResultSpec res =
+ { &extract_abs_time,
+ NULL,
+ NULL,
+ (void *) at, sizeof (*at), (name), NULL };
+ return res;
}
@@ -570,6 +650,7 @@ extract_uint16 (void *cls,
const uint16_t *res;
int fnum;
+ (void) cls;
fnum = PQfnumber (result,
fname);
if (fnum < 0)
@@ -651,6 +732,7 @@ extract_uint32 (void *cls,
const uint32_t *res;
int fnum;
+ (void) cls;
fnum = PQfnumber (result,
fname);
if (fnum < 0)
@@ -732,6 +814,7 @@ extract_uint64 (void *cls,
const uint64_t *res;
int fnum;
+ (void) cls;
fnum = PQfnumber (result,
fname);
if (fnum < 0)