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/iterate_denomination_key_validity_withdraw_inconsistencies.h"
20 :
21 :
22 : /**
23 : * Hard upper bound on the number of records returned by a single
24 : * call, regardless of the limit requested by the client.
25 : */
26 : #define MAX_RECORDS 50000
27 :
28 :
29 : /**
30 : * Closure for #denomination_key_validity_withdraw_inconsistency_cb().
31 : */
32 : struct DenominationKeyValidityWithdrawInconsistencyContext
33 : {
34 :
35 : /**
36 : * Function to call for each denomination key validity...
37 : */
38 : TALER_AUDITORDB_DenominationKeyValidityWithdrawInconsistencyCallback cb;
39 :
40 : /**
41 : * Closure for @e cb
42 : */
43 : void *cb_cls;
44 :
45 : /**
46 : * Plugin context.
47 : */
48 : struct TALER_AUDITORDB_PostgresContext *pg;
49 :
50 : /**
51 : * Query status to return.
52 : */
53 : enum GNUNET_DB_QueryStatus qs;
54 : };
55 :
56 :
57 : /**
58 : * Helper function for
59 : * #TALER_AUDITORDB_iterate_denomination_key_validity_withdraw_inconsistencies().
60 : * To be called with the results of a SELECT statement
61 : * that has returned @a num_results results.
62 : *
63 : * @param cls closure of type `struct DepositConfirmationContext *`
64 : * @param result the postgres result
65 : * @param num_results the number of results in @a result
66 : */
67 : static void
68 0 : denomination_key_validity_withdraw_inconsistency_cb (
69 : void *cls,
70 : PGresult *result,
71 : unsigned int num_results)
72 : {
73 0 : struct DenominationKeyValidityWithdrawInconsistencyContext *dcc = cls;
74 :
75 0 : for (unsigned int i = 0; i < num_results; i++)
76 : {
77 : struct TALER_AUDITORDB_DenominationKeyValidityWithdrawInconsistency dc;
78 0 : struct GNUNET_PQ_ResultSpec rs[] = {
79 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
80 : &dc.row_id),
81 0 : GNUNET_PQ_result_spec_uint64 ("problem_row_id",
82 : &dc.problem_row_id),
83 0 : GNUNET_PQ_result_spec_absolute_time ("execution_date",
84 : &dc.execution_date),
85 0 : GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
86 : &dc.reserve_pub),
87 0 : GNUNET_PQ_result_spec_auto_from_type ("denompub_h",
88 : &dc.denompub_h),
89 0 : GNUNET_PQ_result_spec_bool ("suppressed",
90 : &dc.suppressed),
91 : GNUNET_PQ_result_spec_end
92 : };
93 : enum GNUNET_GenericReturnValue rval;
94 :
95 0 : if (GNUNET_OK !=
96 0 : GNUNET_PQ_extract_result (result,
97 : rs,
98 : i))
99 : {
100 0 : GNUNET_break (0);
101 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
102 0 : return;
103 : }
104 0 : dcc->qs = i + 1;
105 0 : rval = dcc->cb (dcc->cb_cls,
106 : &dc);
107 0 : GNUNET_PQ_cleanup_result (rs);
108 0 : if (GNUNET_OK != rval)
109 0 : break;
110 : }
111 : }
112 :
113 :
114 : enum GNUNET_DB_QueryStatus
115 0 : TALER_AUDITORDB_iterate_denomination_key_validity_withdraw_inconsistencies (
116 : struct TALER_AUDITORDB_PostgresContext *pg,
117 : int64_t limit,
118 : uint64_t offset,
119 : bool return_suppressed,
120 : TALER_AUDITORDB_DenominationKeyValidityWithdrawInconsistencyCallback cb,
121 : void *cb_cls)
122 : {
123 0 : uint64_t plimit = GNUNET_MIN ((uint64_t) MAX_RECORDS,
124 : TALER_AUDITORDB_abs_limit (limit));
125 0 : struct GNUNET_PQ_QueryParam params[] = {
126 0 : GNUNET_PQ_query_param_uint64 (&offset),
127 0 : GNUNET_PQ_query_param_bool (return_suppressed),
128 0 : GNUNET_PQ_query_param_uint64 (&plimit),
129 : GNUNET_PQ_query_param_end
130 : };
131 0 : struct DenominationKeyValidityWithdrawInconsistencyContext dcc = {
132 : .cb = cb,
133 : .cb_cls = cb_cls,
134 : .pg = pg
135 : };
136 : enum GNUNET_DB_QueryStatus qs;
137 :
138 0 : PREPARE (pg,
139 : "iterate_denomination_key_validity_withdraw_inconsistencies_desc",
140 : "SELECT"
141 : " row_id"
142 : ",problem_row_id"
143 : ",execution_date"
144 : ",reserve_pub"
145 : ",denompub_h"
146 : ",suppressed"
147 : " FROM auditor_denomination_key_validity_withdraw_inconsistency"
148 : " WHERE (row_id < $1)"
149 : " AND ($2 OR NOT suppressed)"
150 : " ORDER BY row_id DESC"
151 : " LIMIT $3"
152 : );
153 0 : PREPARE (pg,
154 : "iterate_denomination_key_validity_withdraw_inconsistencies_asc",
155 : "SELECT"
156 : " row_id"
157 : ",problem_row_id"
158 : ",execution_date"
159 : ",reserve_pub"
160 : ",denompub_h"
161 : ",suppressed"
162 : " FROM auditor_denomination_key_validity_withdraw_inconsistency"
163 : " WHERE (row_id > $1)"
164 : " AND ($2 OR NOT suppressed)"
165 : " ORDER BY row_id ASC"
166 : " LIMIT $3"
167 : );
168 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
169 : pg->conn,
170 : (limit > 0)
171 : ?
172 : "iterate_denomination_key_validity_withdraw_inconsistencies_asc"
173 : :
174 : "iterate_denomination_key_validity_withdraw_inconsistencies_desc",
175 : params,
176 : &denomination_key_validity_withdraw_inconsistency_cb,
177 : &dcc);
178 0 : if (qs > 0)
179 0 : return dcc.qs;
180 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
181 0 : return qs;
182 : }
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