get_row_inconsistency.c (4682B)
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 #include "taler/taler_pq_lib.h" 18 #include "pg_helper.h" 19 #include "auditor-database/get_row_inconsistency.h" 20 21 /** 22 * Closure for #deposit_confirmation_cb(). 23 */ 24 struct RowInconsistencyContext 25 { 26 27 /** 28 * Function to call for each deposit confirmation. 29 */ 30 TALER_AUDITORDB_RowInconsistencyCallback 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_get_deposit_confirmations(). 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 DepositConfirmationContext *` 55 * @param result the postgres result 56 * @param num_results the number of results in @a result 57 */ 58 static void 59 row_inconsistency_cb (void *cls, 60 PGresult *result, 61 unsigned int num_results) 62 { 63 struct RowInconsistencyContext *dcc = cls; 64 65 for (unsigned int i = 0; i < num_results; i++) 66 { 67 uint64_t serial_id; 68 69 struct TALER_AUDITORDB_RowInconsistency dc; 70 71 struct GNUNET_PQ_ResultSpec rs[] = { 72 GNUNET_PQ_result_spec_uint64 ("row_id", &serial_id), 73 74 GNUNET_PQ_result_spec_string ("row_table", &dc.row_table), 75 GNUNET_PQ_result_spec_string ("diagnostic", &dc.diagnostic), 76 GNUNET_PQ_result_spec_bool ("suppressed", &dc.suppressed), 77 78 79 GNUNET_PQ_result_spec_end 80 }; 81 enum GNUNET_GenericReturnValue rval; 82 83 if (GNUNET_OK != 84 GNUNET_PQ_extract_result (result, 85 rs, 86 i)) 87 { 88 GNUNET_break (0); 89 dcc->qs = GNUNET_DB_STATUS_HARD_ERROR; 90 return; 91 } 92 93 dcc->qs = i + 1; 94 95 96 rval = dcc->cb (dcc->cb_cls, 97 serial_id, 98 &dc); 99 GNUNET_PQ_cleanup_result (rs); 100 if (GNUNET_OK != rval) 101 break; 102 } 103 } 104 105 106 enum GNUNET_DB_QueryStatus 107 TALER_AUDITORDB_get_row_inconsistency ( 108 struct TALER_AUDITORDB_PostgresContext *pg, 109 int64_t limit, 110 uint64_t offset, 111 bool return_suppressed, // maybe not needed 112 TALER_AUDITORDB_RowInconsistencyCallback cb, 113 void *cb_cls) 114 { 115 116 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 117 struct GNUNET_PQ_QueryParam params[] = { 118 GNUNET_PQ_query_param_uint64 (&offset), 119 GNUNET_PQ_query_param_bool (return_suppressed), 120 GNUNET_PQ_query_param_uint64 (&plimit), 121 GNUNET_PQ_query_param_end 122 }; 123 struct RowInconsistencyContext dcc = { 124 .cb = cb, 125 .cb_cls = cb_cls, 126 .pg = pg 127 }; 128 enum GNUNET_DB_QueryStatus qs; 129 130 131 PREPARE (pg, 132 "auditor_row_inconsistency_select_desc", 133 "SELECT" 134 " row_id" 135 ",row_table" 136 ",diagnostic" 137 ",suppressed" 138 " FROM auditor_row_inconsistency" 139 " WHERE (row_id < $1)" 140 " AND ($2 OR suppressed is false)" 141 " ORDER BY row_id DESC" 142 " LIMIT $3" 143 ); 144 PREPARE (pg, 145 "auditor_row_inconsistency_select_asc", 146 "SELECT" 147 " row_id" 148 ",row_table" 149 ",diagnostic" 150 ",suppressed" 151 " FROM auditor_row_inconsistency" 152 " WHERE (row_id > $1)" 153 " AND ($2 OR suppressed is false)" 154 " ORDER BY row_id DESC" 155 " LIMIT $3" 156 ); 157 qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, 158 (limit > 0) ? 159 "auditor_row_inconsistency_select_asc" 160 : 161 "auditor_row_inconsistency_select_desc", 162 params, 163 &row_inconsistency_cb, 164 &dcc); 165 166 167 if (qs > 0) 168 return dcc.qs; 169 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 170 return qs; 171 }