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 :
17 :
18 : #include "taler/taler_pq_lib.h"
19 : #include "pg_helper.h"
20 :
21 : #include "auditor-database/iterate_misattribution_in_inconsistencies.h"
22 :
23 :
24 : /**
25 : * Hard upper bound on the number of records returned by a single
26 : * call, regardless of the limit requested by the client.
27 : */
28 : #define MAX_RECORDS 50000
29 :
30 :
31 : struct MisattributionInInconsistencyContext
32 : {
33 :
34 : /**
35 : * Function to call for each bad sig loss.
36 : */
37 : TALER_AUDITORDB_MisattributionInInconsistencyCallback cb;
38 :
39 : /**
40 : * Closure for @e cb
41 : */
42 : void *cb_cls;
43 :
44 : /**
45 : * Plugin context.
46 : */
47 : struct TALER_AUDITORDB_PostgresContext *pg;
48 :
49 : /**
50 : * Query status to return.
51 : */
52 : enum GNUNET_DB_QueryStatus qs;
53 : };
54 :
55 :
56 : /**
57 : * Helper function for #TALER_AUDITORDB_iterate_misattribution_in_inconsistencies().
58 : * To be called with the results of a SELECT statement
59 : * that has returned @a num_results results.
60 : *
61 : * @param cls closure of type `struct MisattributionInInconsistencyContext *`
62 : * @param result the postgres result
63 : * @param num_results the number of results in @a result
64 : */
65 : static void
66 0 : misattribution_in_inconsistency_cb (void *cls,
67 : PGresult *result,
68 : unsigned int num_results)
69 : {
70 0 : struct MisattributionInInconsistencyContext *dcc = cls;
71 0 : struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
72 :
73 0 : for (unsigned int i = 0; i < num_results; i++)
74 : {
75 : struct TALER_AUDITORDB_MisattributionInInconsistency dc;
76 0 : struct GNUNET_PQ_ResultSpec rs[] = {
77 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
78 : &dc.row_id),
79 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
80 : &dc.amount),
81 0 : GNUNET_PQ_result_spec_uint64 ("bank_row",
82 : &dc.bank_row),
83 0 : GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
84 : &dc.reserve_pub),
85 0 : GNUNET_PQ_result_spec_bool ("suppressed",
86 : &dc.suppressed),
87 : GNUNET_PQ_result_spec_end
88 : };
89 : enum GNUNET_GenericReturnValue rval;
90 :
91 0 : if (GNUNET_OK !=
92 0 : GNUNET_PQ_extract_result (result,
93 : rs,
94 : i))
95 : {
96 0 : GNUNET_break (0);
97 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
98 0 : return;
99 : }
100 0 : dcc->qs = i + 1;
101 0 : rval = dcc->cb (dcc->cb_cls,
102 : &dc);
103 0 : GNUNET_PQ_cleanup_result (rs);
104 0 : if (GNUNET_OK != rval)
105 0 : break;
106 : }
107 : }
108 :
109 :
110 : enum GNUNET_DB_QueryStatus
111 0 : TALER_AUDITORDB_iterate_misattribution_in_inconsistencies (struct
112 : TALER_AUDITORDB_PostgresContext
113 : *pg,
114 : int64_t limit,
115 : uint64_t offset,
116 : bool
117 : return_suppressed,
118 : TALER_AUDITORDB_MisattributionInInconsistencyCallback
119 : cb,
120 : void *cb_cls)
121 : {
122 0 : uint64_t plimit = GNUNET_MIN ((uint64_t) MAX_RECORDS,
123 : TALER_AUDITORDB_abs_limit (limit));
124 0 : struct GNUNET_PQ_QueryParam params[] = {
125 0 : GNUNET_PQ_query_param_uint64 (&offset),
126 0 : GNUNET_PQ_query_param_bool (return_suppressed),
127 0 : GNUNET_PQ_query_param_uint64 (&plimit),
128 : GNUNET_PQ_query_param_end
129 : };
130 0 : struct MisattributionInInconsistencyContext dcc = {
131 : .cb = cb,
132 : .cb_cls = cb_cls,
133 : .pg = pg
134 : };
135 : enum GNUNET_DB_QueryStatus qs;
136 :
137 0 : PREPARE (pg,
138 : "iterate_misattribution_in_inconsistencies_desc",
139 : "SELECT"
140 : " row_id"
141 : ",amount"
142 : ",bank_row"
143 : ",reserve_pub"
144 : ",suppressed"
145 : " FROM auditor_misattribution_in_inconsistency"
146 : " WHERE (row_id < $1)"
147 : " AND ($2 OR NOT suppressed)"
148 : " ORDER BY row_id DESC"
149 : " LIMIT $3"
150 : );
151 0 : PREPARE (pg,
152 : "iterate_misattribution_in_inconsistencies_asc",
153 : "SELECT"
154 : " row_id"
155 : ",amount"
156 : ",bank_row"
157 : ",reserve_pub"
158 : ",suppressed"
159 : " FROM auditor_misattribution_in_inconsistency"
160 : " WHERE (row_id > $1)"
161 : " AND ($2 OR NOT suppressed)"
162 : " ORDER BY row_id ASC"
163 : " LIMIT $3"
164 : );
165 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
166 : pg->conn,
167 : (limit > 0)
168 : ? "iterate_misattribution_in_inconsistencies_asc"
169 : : "iterate_misattribution_in_inconsistencies_desc",
170 : params,
171 : &misattribution_in_inconsistency_cb,
172 : &dcc);
173 0 : if (qs > 0)
174 0 : return dcc.qs;
175 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
176 0 : return qs;
177 : }
|
