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 "auditor-database/get_wire_out_inconsistency.h"
19 :
20 :
21 : struct WireOutInconsistencyContext
22 : {
23 :
24 : /**
25 : * Function to call for each bad sig loss.
26 : */
27 : TALER_AUDITORDB_WireOutInconsistencyCallback cb;
28 :
29 : /**
30 : * Closure for @e cb
31 : */
32 : void *cb_cls;
33 :
34 : /**
35 : * Plugin context.
36 : */
37 : struct TALER_AUDITORDB_PostgresContext *pg;
38 :
39 : /**
40 : * Query status to return.
41 : */
42 : enum GNUNET_DB_QueryStatus qs;
43 : };
44 :
45 :
46 : /**
47 : * Helper function for #TALER_AUDITORDB_get_wire_out_inconsistency().
48 : * To be called with the results of a SELECT statement
49 : * that has returned @a num_results results.
50 : *
51 : * @param cls closure of type `struct WireOutInconsistencyContext *`
52 : * @param result the postgres result
53 : * @param num_results the number of results in @a result
54 : */
55 : static void
56 0 : wire_out_inconsistency_cb (void *cls,
57 : PGresult *result,
58 : unsigned int num_results)
59 : {
60 0 : struct WireOutInconsistencyContext *dcc = cls;
61 0 : struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg;
62 :
63 0 : for (unsigned int i = 0; i < num_results; i++)
64 : {
65 : struct TALER_AUDITORDB_WireOutInconsistency dc;
66 0 : struct GNUNET_PQ_ResultSpec rs[] = {
67 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
68 : &dc.row_id),
69 0 : GNUNET_PQ_result_spec_string ("destination_account",
70 : &dc.destination_account.full_payto),
71 0 : GNUNET_PQ_result_spec_string ("diagnostic",
72 : &dc.diagnostic),
73 0 : GNUNET_PQ_result_spec_uint64 ("wire_out_serial_id",
74 : &dc.wire_out_row_id),
75 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("expected",
76 : &dc.expected),
77 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("claimed",
78 : &dc.claimed),
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_wire_out_inconsistency (
106 : struct TALER_AUDITORDB_PostgresContext *pg,
107 : int64_t limit,
108 : uint64_t offset,
109 : bool return_suppressed,
110 : TALER_AUDITORDB_WireOutInconsistencyCallback cb,
111 : void *cb_cls)
112 : {
113 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
114 0 : struct GNUNET_PQ_QueryParam params[] = {
115 0 : GNUNET_PQ_query_param_uint64 (&offset),
116 0 : GNUNET_PQ_query_param_bool (return_suppressed),
117 0 : GNUNET_PQ_query_param_uint64 (&plimit),
118 : GNUNET_PQ_query_param_end
119 : };
120 0 : struct WireOutInconsistencyContext dcc = {
121 : .cb = cb,
122 : .cb_cls = cb_cls,
123 : .pg = pg
124 : };
125 : enum GNUNET_DB_QueryStatus qs;
126 :
127 0 : PREPARE (pg,
128 : "auditor_wire_out_inconsistency_get_desc",
129 : "SELECT"
130 : " row_id"
131 : ",destination_account"
132 : ",diagnostic"
133 : ",wire_out_serial_id"
134 : ",expected"
135 : ",claimed"
136 : ",suppressed"
137 : " FROM auditor_wire_out_inconsistency"
138 : " WHERE (row_id < $1)"
139 : " AND ($2 OR NOT suppressed)"
140 : " ORDER BY row_id DESC"
141 : " LIMIT $3"
142 : );
143 0 : PREPARE (pg,
144 : "auditor_wire_out_inconsistency_get_asc",
145 : "SELECT"
146 : " row_id"
147 : ",destination_account"
148 : ",diagnostic"
149 : ",wire_out_serial_id"
150 : ",expected"
151 : ",claimed"
152 : ",suppressed"
153 : " FROM auditor_wire_out_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_wire_out_inconsistency_get_asc"
163 : : "auditor_wire_out_inconsistency_get_desc",
164 : params,
165 : &wire_out_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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