1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
/*
This file is part of TALER
Copyright (C) 2022 Taler Systems SA
TALER 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.
TALER 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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file exchangedb/pg_iterate_active_auditors.c
* @brief Implementation of the iterate_active_auditors function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_iterate_active_auditors.h"
#include "pg_helper.h"
/**
* Closure for #auditors_cb_helper()
*/
struct AuditorsIteratorContext
{
/**
* Function to call with the results.
*/
TALER_EXCHANGEDB_AuditorsCallback cb;
/**
* Closure to pass to @e cb
*/
void *cb_cls;
};
/**
* Helper function for #TEH_PG_iterate_active_auditors().
* Calls the callback with each auditor.
*
* @param cls a `struct SignkeysIteratorContext`
* @param result db results
* @param num_results number of results in @a result
*/
static void
auditors_cb_helper (void *cls,
PGresult *result,
unsigned int num_results)
{
struct AuditorsIteratorContext *dic = cls;
for (unsigned int i = 0; i<num_results; i++)
{
struct TALER_AuditorPublicKeyP auditor_pub;
char *auditor_url;
char *auditor_name;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("auditor_pub",
&auditor_pub),
GNUNET_PQ_result_spec_string ("auditor_url",
&auditor_url),
GNUNET_PQ_result_spec_string ("auditor_name",
&auditor_name),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
return;
}
dic->cb (dic->cb_cls,
&auditor_pub,
auditor_url,
auditor_name);
GNUNET_PQ_cleanup_result (rs);
}
}
enum GNUNET_DB_QueryStatus
TEH_PG_iterate_active_auditors (void *cls,
TALER_EXCHANGEDB_AuditorsCallback cb,
void *cb_cls)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_end
};
struct AuditorsIteratorContext dic = {
.cb = cb,
.cb_cls = cb_cls,
};
PREPARE (pg,
"select_auditors",
"SELECT"
" auditor_pub"
",auditor_url"
",auditor_name"
" FROM auditors"
" WHERE"
" is_active;");
return GNUNET_PQ_eval_prepared_multi_select (pg->conn,
"select_auditors",
params,
&auditors_cb_helper,
&dic);
}
|
