Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2024 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify it under the
6 : terms of the GNU General Public License as published by the Free Software
7 : Foundation; either version 3, or (at your option) any later version.
8 :
9 : TALER is distributed in the hope that it will be useful, but WITHOUT ANY
10 : WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11 : A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12 :
13 : You should have received a copy of the GNU General Public License along with
14 : TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
15 : */
16 : #include "taler/taler_pq_lib.h"
17 : #include "pg_helper.h"
18 : #include \
19 : "auditor-database/get_reserve_balance_insufficient_inconsistency.h"
20 :
21 :
22 : /**
23 : * Closure for #reserve_balance_insufficient_inconsistency_cb().
24 : */
25 : struct ReserveBalanceInsufficientInconsistencyContext
26 : {
27 :
28 : /**
29 : * Function to call for each ReserveBalanceInsufficientInconsistency.
30 : */
31 : TALER_AUDITORDB_ReserveBalanceInsufficientInconsistencyCallback cb;
32 :
33 : /**
34 : * Closure for @e cb
35 : */
36 : void *cb_cls;
37 :
38 : /**
39 : * Plugin context.
40 : */
41 : struct TALER_AUDITORDB_PostgresContext *pg;
42 :
43 : /**
44 : * Query status to return.
45 : */
46 : enum GNUNET_DB_QueryStatus qs;
47 : };
48 :
49 :
50 : /**
51 : * Helper function for #TALER_AUDITORDB_get_reserve_balance_insufficient_inconsistency().
52 : * To be called with the results of a SELECT statement
53 : * that has returned @a num_results results.
54 : *
55 : * @param cls closure of type `struct ReserveBalanceInsufficientInconsistency *`
56 : * @param result the postgres result
57 : * @param num_results the number of results in @a result
58 : */
59 : static void
60 0 : reserve_balance_insufficient_inconsistency_cb (void *cls,
61 : PGresult *result,
62 : unsigned int num_results)
63 : {
64 0 : struct ReserveBalanceInsufficientInconsistencyContext *dcc = cls;
65 0 : struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
66 :
67 0 : for (unsigned int i = 0; i < num_results; i++)
68 : {
69 : struct TALER_AUDITORDB_ReserveBalanceInsufficientInconsistency dc;
70 0 : struct GNUNET_PQ_ResultSpec rs[] = {
71 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
72 : &dc.row_id),
73 0 : GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
74 : &dc.reserve_pub),
75 0 : GNUNET_PQ_result_spec_bool ("inconsistency_gain",
76 : &dc.inconsistency_gain),
77 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("inconsistency_amount",
78 : &dc.inconsistency_amount),
79 0 : GNUNET_PQ_result_spec_bool ("suppressed",
80 : &dc.suppressed),
81 : GNUNET_PQ_result_spec_end
82 : };
83 : enum GNUNET_GenericReturnValue rval;
84 :
85 0 : if (GNUNET_OK !=
86 0 : GNUNET_PQ_extract_result (result,
87 : rs,
88 : i))
89 : {
90 0 : GNUNET_break (0);
91 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
92 0 : return;
93 : }
94 0 : dcc->qs = i + 1;
95 0 : rval = dcc->cb (dcc->cb_cls,
96 : &dc);
97 0 : GNUNET_PQ_cleanup_result (rs);
98 0 : if (GNUNET_OK != rval)
99 0 : break;
100 : }
101 : }
102 :
103 :
104 : enum GNUNET_DB_QueryStatus
105 0 : TALER_AUDITORDB_get_reserve_balance_insufficient_inconsistency (struct
106 : TALER_AUDITORDB_PostgresContext
107 : *pg,
108 : int64_t limit,
109 : uint64_t offset,
110 : bool
111 : return_suppressed
112 : ,
113 : TALER_AUDITORDB_ReserveBalanceInsufficientInconsistencyCallback
114 : cb,
115 : void *cb_cls)
116 : {
117 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
118 0 : struct GNUNET_PQ_QueryParam params[] = {
119 0 : GNUNET_PQ_query_param_uint64 (&offset),
120 0 : GNUNET_PQ_query_param_bool (return_suppressed),
121 0 : GNUNET_PQ_query_param_uint64 (&plimit),
122 : GNUNET_PQ_query_param_end
123 : };
124 0 : struct ReserveBalanceInsufficientInconsistencyContext dcc = {
125 : .cb = cb,
126 : .cb_cls = cb_cls,
127 : .pg = pg
128 : };
129 : enum GNUNET_DB_QueryStatus qs;
130 :
131 0 : PREPARE (pg,
132 : "auditor_reserve_balance_insufficient_inconsistency_get_desc",
133 : "SELECT"
134 : " row_id"
135 : ",reserve_pub"
136 : ",inconsistency_gain"
137 : ",inconsistency_amount"
138 : ",suppressed"
139 : " FROM auditor_reserve_balance_insufficient_inconsistency"
140 : " WHERE (row_id < $1)"
141 : " AND ($2 OR NOT suppressed)"
142 : " ORDER BY row_id DESC"
143 : " LIMIT $3"
144 : );
145 0 : PREPARE (pg,
146 : "auditor_reserve_balance_insufficient_inconsistency_get_asc",
147 : "SELECT"
148 : " row_id"
149 : ",reserve_pub"
150 : ",inconsistency_gain"
151 : ",inconsistency_amount"
152 : ",suppressed"
153 : " FROM auditor_reserve_balance_insufficient_inconsistency"
154 : " WHERE (row_id > $1)"
155 : " AND ($2 OR NOT suppressed)"
156 : " ORDER BY row_id ASC"
157 : " LIMIT $3"
158 : );
159 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
160 : pg->conn,
161 : (limit > 0)
162 : ? "auditor_reserve_balance_insufficient_inconsistency_get_asc"
163 : : "auditor_reserve_balance_insufficient_inconsistency_get_desc",
164 : params,
165 : &reserve_balance_insufficient_inconsistency_cb,
166 : &dcc);
167 0 : if (qs > 0)
168 0 : return dcc.qs;
169 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
170 0 : return qs;
171 : }
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