pg_get_row_minor_inconsistencies.c (4757B)
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/platform.h" 17 #include "taler/taler_error_codes.h" 18 #include "taler/taler_dbevents.h" 19 #include "taler/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 row_minor_inconsistencies_cb (void *cls, 60 PGresult *result, 61 unsigned int num_results) 62 { 63 struct RowMinorInconsistenciesContext *dcc = cls; 64 65 for (unsigned int i = 0; i < num_results; i++) 66 { 67 struct TALER_AUDITORDB_RowMinorInconsistencies dc; 68 struct GNUNET_PQ_ResultSpec rs[] = { 69 GNUNET_PQ_result_spec_uint64 ("row_id", 70 &dc.row_id), 71 GNUNET_PQ_result_spec_string ("row_table", 72 &dc.row_table), 73 GNUNET_PQ_result_spec_uint64 ("problem_row", 74 &dc.problem_row), 75 GNUNET_PQ_result_spec_string ("diagnostic", 76 &dc.diagnostic), 77 GNUNET_PQ_result_spec_bool ("suppressed", 78 &dc.suppressed), 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 dcc->qs = i + 1; 93 rval = dcc->cb (dcc->cb_cls, 94 &dc); 95 GNUNET_PQ_cleanup_result (rs); 96 if (GNUNET_OK != rval) 97 break; 98 } 99 } 100 101 102 enum GNUNET_DB_QueryStatus 103 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 struct PostgresClosure *pg = cls; 112 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 113 struct GNUNET_PQ_QueryParam params[] = { 114 GNUNET_PQ_query_param_uint64 (&offset), 115 GNUNET_PQ_query_param_bool (return_suppressed), 116 GNUNET_PQ_query_param_uint64 (&plimit), 117 GNUNET_PQ_query_param_end 118 }; 119 struct RowMinorInconsistenciesContext dcc = { 120 .cb = cb, 121 .cb_cls = cb_cls, 122 .pg = pg 123 }; 124 enum GNUNET_DB_QueryStatus qs; 125 126 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 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 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 if (qs > 0) 163 return dcc.qs; 164 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 165 return qs; 166 }