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_row_minor_inconsistencies.h"
19 :
20 :
21 : struct RowMinorInconsistenciesContext
22 : {
23 :
24 : /**
25 : * Function to call for each bad sig loss.
26 : */
27 : TALER_AUDITORDB_RowMinorInconsistenciesCallback 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_row_minor_inconsistencies().
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 RowMinorInconsistenciesContext *`
52 : * @param result the postgres result
53 : * @param num_results the number of results in @a result
54 : */
55 : static void
56 0 : row_minor_inconsistencies_cb (void *cls,
57 : PGresult *result,
58 : unsigned int num_results)
59 : {
60 0 : struct RowMinorInconsistenciesContext *dcc = cls;
61 :
62 0 : for (unsigned int i = 0; i < num_results; i++)
63 : {
64 : struct TALER_AUDITORDB_RowMinorInconsistencies dc;
65 0 : struct GNUNET_PQ_ResultSpec rs[] = {
66 0 : GNUNET_PQ_result_spec_uint64 ("row_id",
67 : &dc.row_id),
68 0 : GNUNET_PQ_result_spec_string ("row_table",
69 : &dc.row_table),
70 0 : GNUNET_PQ_result_spec_uint64 ("problem_row",
71 : &dc.problem_row),
72 0 : GNUNET_PQ_result_spec_string ("diagnostic",
73 : &dc.diagnostic),
74 0 : GNUNET_PQ_result_spec_bool ("suppressed",
75 : &dc.suppressed),
76 : GNUNET_PQ_result_spec_end
77 : };
78 : enum GNUNET_GenericReturnValue rval;
79 :
80 0 : if (GNUNET_OK !=
81 0 : GNUNET_PQ_extract_result (result,
82 : rs,
83 : i))
84 : {
85 0 : GNUNET_break (0);
86 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
87 0 : return;
88 : }
89 0 : dcc->qs = i + 1;
90 0 : rval = dcc->cb (dcc->cb_cls,
91 : &dc);
92 0 : GNUNET_PQ_cleanup_result (rs);
93 0 : if (GNUNET_OK != rval)
94 0 : break;
95 : }
96 : }
97 :
98 :
99 : enum GNUNET_DB_QueryStatus
100 0 : TALER_AUDITORDB_get_row_minor_inconsistencies (
101 : struct TALER_AUDITORDB_PostgresContext *pg,
102 : int64_t limit,
103 : uint64_t offset,
104 : bool return_suppressed,
105 : TALER_AUDITORDB_RowMinorInconsistenciesCallback cb,
106 : void *cb_cls)
107 : {
108 0 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
109 0 : struct GNUNET_PQ_QueryParam params[] = {
110 0 : GNUNET_PQ_query_param_uint64 (&offset),
111 0 : GNUNET_PQ_query_param_bool (return_suppressed),
112 0 : GNUNET_PQ_query_param_uint64 (&plimit),
113 : GNUNET_PQ_query_param_end
114 : };
115 0 : struct RowMinorInconsistenciesContext dcc = {
116 : .cb = cb,
117 : .cb_cls = cb_cls,
118 : .pg = pg
119 : };
120 : enum GNUNET_DB_QueryStatus qs;
121 :
122 0 : PREPARE (pg,
123 : "auditor_row_minor_inconsistencies_get_desc",
124 : "SELECT"
125 : " row_id"
126 : ",problem_row"
127 : ",row_table"
128 : ",diagnostic"
129 : ",suppressed"
130 : " FROM auditor_row_minor_inconsistencies"
131 : " WHERE (row_id < $1)"
132 : " AND ($2 OR NOT suppressed)"
133 : " ORDER BY row_id DESC"
134 : " LIMIT $3"
135 : );
136 0 : PREPARE (pg,
137 : "auditor_row_minor_inconsistencies_get_asc",
138 : "SELECT"
139 : " row_id"
140 : ",problem_row"
141 : ",row_table"
142 : ",diagnostic"
143 : ",suppressed"
144 : " FROM auditor_row_minor_inconsistencies"
145 : " WHERE (row_id > $1)"
146 : " AND ($2 OR NOT suppressed)"
147 : " ORDER BY row_id ASC"
148 : " LIMIT $3"
149 : );
150 0 : qs = GNUNET_PQ_eval_prepared_multi_select (
151 : pg->conn,
152 : (limit > 0)
153 : ? "auditor_row_minor_inconsistencies_get_asc"
154 : : "auditor_row_minor_inconsistencies_get_desc",
155 : params,
156 : &row_minor_inconsistencies_cb,
157 : &dcc);
158 0 : if (qs > 0)
159 0 : return dcc.qs;
160 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
161 0 : return qs;
162 : }
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