iterate_misattribution_in_inconsistencies.c (5476B)
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 17 18 #include "taler/taler_pq_lib.h" 19 #include "pg_helper.h" 20 21 #include "auditor-database/iterate_misattribution_in_inconsistencies.h" 22 23 24 struct MisattributionInInconsistencyContext 25 { 26 27 /** 28 * Function to call for each bad sig loss. 29 */ 30 TALER_AUDITORDB_MisattributionInInconsistencyCallback cb; 31 32 /** 33 * Closure for @e cb 34 */ 35 void *cb_cls; 36 37 /** 38 * Plugin context. 39 */ 40 struct TALER_AUDITORDB_PostgresContext *pg; 41 42 /** 43 * Query status to return. 44 */ 45 enum GNUNET_DB_QueryStatus qs; 46 }; 47 48 49 /** 50 * Helper function for #TALER_AUDITORDB_iterate_misattribution_in_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 MisattributionInInconsistencyContext *` 55 * @param result the postgres result 56 * @param num_results the number of results in @a result 57 */ 58 static void 59 misattribution_in_inconsistency_cb (void *cls, 60 PGresult *result, 61 unsigned int num_results) 62 { 63 struct MisattributionInInconsistencyContext *dcc = cls; 64 struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg; 65 66 for (unsigned int i = 0; i < num_results; i++) 67 { 68 struct TALER_AUDITORDB_MisattributionInInconsistency dc; 69 struct GNUNET_PQ_ResultSpec rs[] = { 70 GNUNET_PQ_result_spec_uint64 ("row_id", 71 &dc.row_id), 72 TALER_PQ_RESULT_SPEC_AMOUNT ("amount", 73 &dc.amount), 74 GNUNET_PQ_result_spec_uint64 ("bank_row", 75 &dc.bank_row), 76 GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", 77 &dc.reserve_pub), 78 GNUNET_PQ_result_spec_bool ("suppressed", 79 &dc.suppressed), 80 GNUNET_PQ_result_spec_end 81 }; 82 enum GNUNET_GenericReturnValue rval; 83 84 if (GNUNET_OK != 85 GNUNET_PQ_extract_result (result, 86 rs, 87 i)) 88 { 89 GNUNET_break (0); 90 dcc->qs = GNUNET_DB_STATUS_HARD_ERROR; 91 return; 92 } 93 dcc->qs = i + 1; 94 rval = dcc->cb (dcc->cb_cls, 95 &dc); 96 GNUNET_PQ_cleanup_result (rs); 97 if (GNUNET_OK != rval) 98 break; 99 } 100 } 101 102 103 enum GNUNET_DB_QueryStatus 104 TALER_AUDITORDB_iterate_misattribution_in_inconsistencies (struct 105 TALER_AUDITORDB_PostgresContext 106 *pg, 107 int64_t limit, 108 uint64_t offset, 109 bool 110 return_suppressed, 111 TALER_AUDITORDB_MisattributionInInconsistencyCallback 112 cb, 113 void *cb_cls) 114 { 115 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 116 struct GNUNET_PQ_QueryParam params[] = { 117 GNUNET_PQ_query_param_uint64 (&offset), 118 GNUNET_PQ_query_param_bool (return_suppressed), 119 GNUNET_PQ_query_param_uint64 (&plimit), 120 GNUNET_PQ_query_param_end 121 }; 122 struct MisattributionInInconsistencyContext dcc = { 123 .cb = cb, 124 .cb_cls = cb_cls, 125 .pg = pg 126 }; 127 enum GNUNET_DB_QueryStatus qs; 128 129 PREPARE (pg, 130 "iterate_misattribution_in_inconsistencies_inconsistency_get_desc", 131 "SELECT" 132 " row_id" 133 ",amount" 134 ",bank_row" 135 ",reserve_pub" 136 ",suppressed" 137 " FROM auditor_misattribution_in_inconsistency" 138 " WHERE (row_id < $1)" 139 " AND ($2 OR NOT suppressed)" 140 " ORDER BY row_id DESC" 141 " LIMIT $3" 142 ); 143 PREPARE (pg, 144 "iterate_misattribution_in_inconsistencies_inconsistency_get_asc", 145 "SELECT" 146 " row_id" 147 ",amount" 148 ",bank_row" 149 ",reserve_pub" 150 ",suppressed" 151 " FROM auditor_misattribution_in_inconsistency" 152 " WHERE (row_id > $1)" 153 " AND ($2 OR NOT suppressed)" 154 " ORDER BY row_id ASC" 155 " LIMIT $3" 156 ); 157 qs = GNUNET_PQ_eval_prepared_multi_select ( 158 pg->conn, 159 (limit > 0) 160 ? "iterate_misattribution_in_inconsistencies_inconsistency_get_asc" 161 : "iterate_misattribution_in_inconsistencies_inconsistency_get_desc", 162 params, 163 &misattribution_in_inconsistency_cb, 164 &dcc); 165 if (qs > 0) 166 return dcc.qs; 167 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 168 return qs; 169 }