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_format_inconsistency.h"
19 :
20 :
21 : struct WireFormatInconsistencyContext
22 : {
23 :
24 : /**
25 : * Function to call for each bad sig loss.
26 : */
27 : TALER_AUDITORDB_WireFormatInconsistencyCallback 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_format_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 WireFormatInconsistencyContext *`
52 : * @param result the postgres result
53 : * @param num_results the number of results in @a result
54 : */
55 : static void
56 0 : wire_format_inconsistency_cb (void *cls,
57 : PGresult *result,
58 : unsigned int num_results)
59 : {
60 0 : struct WireFormatInconsistencyContext *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_WireFormatInconsistency dc;
66 0 : struct GNUNET_PQ_ResultSpec rs[] = {
67 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
68 : &dc.row_id),
69 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
70 : &dc.amount),
71 0 : GNUNET_PQ_result_spec_uint64 ("wire_offset",
72 : &dc.wire_offset),
73 0 : GNUNET_PQ_result_spec_string ("diagnostic",
74 : &dc.diagnostic),
75 0 : GNUNET_PQ_result_spec_bool ("suppressed",
76 : &dc.suppressed),
77 : GNUNET_PQ_result_spec_end
78 : };
79 : enum GNUNET_GenericReturnValue rval;
80 :
81 0 : if (GNUNET_OK !=
82 0 : GNUNET_PQ_extract_result (result,
83 : rs,
84 : i))
85 : {
86 0 : GNUNET_break (0);
87 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
88 0 : return;
89 : }
90 0 : dcc->qs = i + 1;
91 0 : rval = dcc->cb (dcc->cb_cls,
92 : &dc);
93 0 : GNUNET_PQ_cleanup_result (rs);
94 0 : if (GNUNET_OK != rval)
95 0 : break;
96 : }
97 : }
98 :
99 :
100 : enum GNUNET_DB_QueryStatus
101 0 : TALER_AUDITORDB_get_wire_format_inconsistency (struct
102 : TALER_AUDITORDB_PostgresContext *
103 : pg,
104 : int64_t limit,
105 : uint64_t offset,
106 : bool return_suppressed,
107 : TALER_AUDITORDB_WireFormatInconsistencyCallback
108 : cb,
109 : void *cb_cls)
110 : {
111 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
112 0 : struct GNUNET_PQ_QueryParam params[] = {
113 0 : GNUNET_PQ_query_param_uint64 (&offset),
114 0 : GNUNET_PQ_query_param_bool (return_suppressed),
115 0 : GNUNET_PQ_query_param_uint64 (&plimit),
116 : GNUNET_PQ_query_param_end
117 : };
118 0 : struct WireFormatInconsistencyContext dcc = {
119 : .cb = cb,
120 : .cb_cls = cb_cls,
121 : .pg = pg
122 : };
123 : enum GNUNET_DB_QueryStatus qs;
124 :
125 0 : PREPARE (pg,
126 : "auditor_wire_format_inconsistency_get_desc",
127 : "SELECT"
128 : " row_id,"
129 : " amount,"
130 : " wire_offset,"
131 : " diagnostic,"
132 : " suppressed"
133 : " FROM auditor_wire_format_inconsistency"
134 : " WHERE (row_id < $1)"
135 : " AND ($2 OR NOT suppressed)"
136 : " ORDER BY row_id DESC"
137 : " LIMIT $3"
138 : );
139 0 : PREPARE (pg,
140 : "auditor_wire_format_inconsistency_get_asc",
141 : "SELECT"
142 : " row_id,"
143 : " amount,"
144 : " wire_offset,"
145 : " diagnostic,"
146 : " suppressed"
147 : " FROM auditor_wire_format_inconsistency"
148 : " WHERE (row_id > $1)"
149 : " AND ($2 OR NOT suppressed)"
150 : " ORDER BY row_id ASC"
151 : " LIMIT $3"
152 : );
153 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
154 : pg->conn,
155 : (limit > 0)
156 : ? "auditor_wire_format_inconsistency_get_asc"
157 : : "auditor_wire_format_inconsistency_get_desc",
158 : params,
159 : &wire_format_inconsistency_cb,
160 : &dcc);
161 0 : if (qs > 0)
162 0 : return dcc.qs;
163 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
164 0 : return qs;
165 : }
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