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