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 "platform.h"
17 : #include "taler_error_codes.h"
18 : #include "taler_dbevents.h"
19 : #include "taler_pq_lib.h"
20 : #include "pg_helper.h"
21 : #include "pg_get_row_minor_inconsistencies.h"
22 :
23 :
24 : struct RowMinorInconsistenciesContext
25 : {
26 :
27 : /**
28 : * Function to call for each bad sig loss.
29 : */
30 : TALER_AUDITORDB_RowMinorInconsistenciesCallback cb;
31 :
32 : /**
33 : * Closure for @e cb
34 : */
35 : void *cb_cls;
36 :
37 : /**
38 : * Plugin context.
39 : */
40 : struct PostgresClosure *pg;
41 :
42 : /**
43 : * Query status to return.
44 : */
45 : enum GNUNET_DB_QueryStatus qs;
46 : };
47 :
48 :
49 : /**
50 : * Helper function for #TAH_PG_get_row_minor_inconsistencies().
51 : * To be called with the results of a SELECT statement
52 : * that has returned @a num_results results.
53 : *
54 : * @param cls closure of type `struct RowMinorInconsistenciesContext *`
55 : * @param result the postgres result
56 : * @param num_results the number of results in @a result
57 : */
58 : static void
59 5 : row_minor_inconsistencies_cb (void *cls,
60 : PGresult *result,
61 : unsigned int num_results)
62 : {
63 5 : struct RowMinorInconsistenciesContext *dcc = cls;
64 :
65 10 : for (unsigned int i = 0; i < num_results; i++)
66 : {
67 : struct TALER_AUDITORDB_RowMinorInconsistencies dc;
68 5 : struct GNUNET_PQ_ResultSpec rs[] = {
69 5 : GNUNET_PQ_result_spec_uint64 ("row_id",
70 : &dc.row_id),
71 5 : GNUNET_PQ_result_spec_string ("row_table",
72 : &dc.row_table),
73 5 : GNUNET_PQ_result_spec_uint64 ("problem_row",
74 : &dc.problem_row),
75 5 : GNUNET_PQ_result_spec_string ("diagnostic",
76 : &dc.diagnostic),
77 5 : GNUNET_PQ_result_spec_bool ("suppressed",
78 : &dc.suppressed),
79 : GNUNET_PQ_result_spec_end
80 : };
81 : enum GNUNET_GenericReturnValue rval;
82 :
83 5 : if (GNUNET_OK !=
84 5 : GNUNET_PQ_extract_result (result,
85 : rs,
86 : i))
87 : {
88 0 : GNUNET_break (0);
89 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
90 0 : return;
91 : }
92 5 : dcc->qs = i + 1;
93 5 : rval = dcc->cb (dcc->cb_cls,
94 : &dc);
95 5 : GNUNET_PQ_cleanup_result (rs);
96 5 : if (GNUNET_OK != rval)
97 0 : break;
98 : }
99 : }
100 :
101 :
102 : enum GNUNET_DB_QueryStatus
103 5 : TAH_PG_get_row_minor_inconsistencies (
104 : void *cls,
105 : int64_t limit,
106 : uint64_t offset,
107 : bool return_suppressed,
108 : TALER_AUDITORDB_RowMinorInconsistenciesCallback cb,
109 : void *cb_cls)
110 : {
111 5 : struct PostgresClosure *pg = cls;
112 5 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
113 5 : struct GNUNET_PQ_QueryParam params[] = {
114 5 : GNUNET_PQ_query_param_uint64 (&offset),
115 5 : GNUNET_PQ_query_param_bool (return_suppressed),
116 5 : GNUNET_PQ_query_param_uint64 (&plimit),
117 : GNUNET_PQ_query_param_end
118 : };
119 5 : struct RowMinorInconsistenciesContext dcc = {
120 : .cb = cb,
121 : .cb_cls = cb_cls,
122 : .pg = pg
123 : };
124 : enum GNUNET_DB_QueryStatus qs;
125 :
126 5 : PREPARE (pg,
127 : "auditor_row_minor_inconsistencies_get_desc",
128 : "SELECT"
129 : " row_id"
130 : ",problem_row"
131 : ",row_table"
132 : ",diagnostic"
133 : ",suppressed"
134 : " FROM auditor_row_minor_inconsistencies"
135 : " WHERE (row_id < $1)"
136 : " AND ($2 OR NOT suppressed)"
137 : " ORDER BY row_id DESC"
138 : " LIMIT $3"
139 : );
140 5 : PREPARE (pg,
141 : "auditor_row_minor_inconsistencies_get_asc",
142 : "SELECT"
143 : " row_id"
144 : ",problem_row"
145 : ",row_table"
146 : ",diagnostic"
147 : ",suppressed"
148 : " FROM auditor_row_minor_inconsistencies"
149 : " WHERE (row_id > $1)"
150 : " AND ($2 OR NOT suppressed)"
151 : " ORDER BY row_id ASC"
152 : " LIMIT $3"
153 : );
154 5 : qs = GNUNET_PQ_eval_prepared_multi_select (
155 : pg->conn,
156 : (limit > 0)
157 : ? "auditor_row_minor_inconsistencies_get_asc"
158 : : "auditor_row_minor_inconsistencies_get_desc",
159 : params,
160 : &row_minor_inconsistencies_cb,
161 : &dcc);
162 5 : if (qs > 0)
163 5 : return dcc.qs;
164 0 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
165 0 : return qs;
166 : }
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