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_wire_out_inconsistency.h"
22 :
23 :
24 : struct WireOutInconsistencyContext
25 : {
26 :
27 : /**
28 : * Function to call for each bad sig loss.
29 : */
30 : TALER_AUDITORDB_WireOutInconsistencyCallback 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_wire_out_inconsistency().
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 WireOutInconsistencyContext *`
55 : * @param result the postgres result
56 : * @param num_results the number of results in @a result
57 : */
58 : static void
59 15 : wire_out_inconsistency_cb (void *cls,
60 : PGresult *result,
61 : unsigned int num_results)
62 : {
63 15 : struct WireOutInconsistencyContext *dcc = cls;
64 15 : struct PostgresClosure *pg = dcc->pg;
65 :
66 30 : for (unsigned int i = 0; i < num_results; i++)
67 : {
68 : struct TALER_AUDITORDB_WireOutInconsistency dc;
69 15 : struct GNUNET_PQ_ResultSpec rs[] = {
70 15 : GNUNET_PQ_result_spec_uint64 ("row_id",
71 : &dc.row_id),
72 15 : GNUNET_PQ_result_spec_string ("destination_account",
73 : &dc.destination_account.full_payto),
74 15 : GNUNET_PQ_result_spec_string ("diagnostic",
75 : &dc.diagnostic),
76 15 : GNUNET_PQ_result_spec_uint64 ("wire_out_serial_id",
77 : &dc.wire_out_row_id),
78 15 : TALER_PQ_RESULT_SPEC_AMOUNT ("expected",
79 : &dc.expected),
80 15 : TALER_PQ_RESULT_SPEC_AMOUNT ("claimed",
81 : &dc.claimed),
82 15 : GNUNET_PQ_result_spec_bool ("suppressed",
83 : &dc.suppressed),
84 : GNUNET_PQ_result_spec_end
85 : };
86 : enum GNUNET_GenericReturnValue rval;
87 :
88 15 : if (GNUNET_OK !=
89 15 : GNUNET_PQ_extract_result (result,
90 : rs,
91 : i))
92 : {
93 0 : GNUNET_break (0);
94 0 : dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
95 0 : return;
96 : }
97 15 : dcc->qs = i + 1;
98 15 : rval = dcc->cb (dcc->cb_cls,
99 : &dc);
100 15 : GNUNET_PQ_cleanup_result (rs);
101 15 : if (GNUNET_OK != rval)
102 0 : break;
103 : }
104 : }
105 :
106 :
107 : enum GNUNET_DB_QueryStatus
108 15 : TAH_PG_get_wire_out_inconsistency (
109 : void *cls,
110 : int64_t limit,
111 : uint64_t offset,
112 : bool return_suppressed,
113 : TALER_AUDITORDB_WireOutInconsistencyCallback cb,
114 : void *cb_cls)
115 : {
116 15 : struct PostgresClosure *pg = cls;
117 15 : uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
118 15 : struct GNUNET_PQ_QueryParam params[] = {
119 15 : GNUNET_PQ_query_param_uint64 (&offset),
120 15 : GNUNET_PQ_query_param_bool (return_suppressed),
121 15 : GNUNET_PQ_query_param_uint64 (&plimit),
122 : GNUNET_PQ_query_param_end
123 : };
124 15 : struct WireOutInconsistencyContext dcc = {
125 : .cb = cb,
126 : .cb_cls = cb_cls,
127 : .pg = pg
128 : };
129 : enum GNUNET_DB_QueryStatus qs;
130 :
131 15 : PREPARE (pg,
132 : "auditor_wire_out_inconsistency_get_desc",
133 : "SELECT"
134 : " row_id"
135 : ",destination_account"
136 : ",diagnostic"
137 : ",wire_out_serial_id"
138 : ",expected"
139 : ",claimed"
140 : ",suppressed"
141 : " FROM auditor_wire_out_inconsistency"
142 : " WHERE (row_id < $1)"
143 : " AND ($2 OR NOT suppressed)"
144 : " ORDER BY row_id DESC"
145 : " LIMIT $3"
146 : );
147 15 : PREPARE (pg,
148 : "auditor_wire_out_inconsistency_get_asc",
149 : "SELECT"
150 : " row_id"
151 : ",destination_account"
152 : ",diagnostic"
153 : ",wire_out_serial_id"
154 : ",expected"
155 : ",claimed"
156 : ",suppressed"
157 : " FROM auditor_wire_out_inconsistency"
158 : " WHERE (row_id > $1)"
159 : " AND ($2 OR NOT suppressed)"
160 : " ORDER BY row_id ASC"
161 : " LIMIT $3"
162 : );
163 15 : qs = GNUNET_PQ_eval_prepared_multi_select (
164 : pg->conn,
165 : (limit > 0)
166 : ? "auditor_wire_out_inconsistency_get_asc"
167 : : "auditor_wire_out_inconsistency_get_desc",
168 : params,
169 : &wire_out_inconsistency_cb,
170 : &dcc);
171 15 : if (qs > 0)
172 11 : return dcc.qs;
173 4 : GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
174 4 : return qs;
175 : }
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