get_bad_sig_losses.c (5313B)
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/taler_error_codes.h" 17 #include "taler/taler_pq_lib.h" 18 #include "pg_helper.h" 19 #include "auditor-database/get_bad_sig_losses.h" 20 21 22 struct BadSigLossesContext 23 { 24 25 /** 26 * Function to call for each bad sig loss. 27 */ 28 TALER_AUDITORDB_BadSigLossesCallback cb; 29 30 /** 31 * Closure for @e cb 32 */ 33 void *cb_cls; 34 35 /** 36 * Plugin context. 37 */ 38 struct TALER_AUDITORDB_PostgresContext *pg; 39 40 /** 41 * Query status to return. 42 */ 43 enum GNUNET_DB_QueryStatus qs; 44 }; 45 46 47 /** 48 * Helper function for #TALER_AUDITORDB_get_bad_sig_losses(). 49 * To be called with the results of a SELECT statement 50 * that has returned @a num_results results. 51 * 52 * @param cls closure of type `struct BadSigLossesContext *` 53 * @param result the postgres result 54 * @param num_results the number of results in @a result 55 */ 56 static void 57 bad_sig_losses_cb (void *cls, 58 PGresult *result, 59 unsigned int num_results) 60 { 61 struct BadSigLossesContext *dcc = cls; 62 struct TALER_AUDITORDB_PostgresContext *pg = dcc->pg; 63 64 for (unsigned int i = 0; i < num_results; i++) 65 { 66 struct TALER_AUDITORDB_BadSigLosses dc; 67 struct GNUNET_PQ_ResultSpec rs[] = { 68 GNUNET_PQ_result_spec_uint64 ("row_id", 69 &dc.row_id), 70 GNUNET_PQ_result_spec_uint64 ("problem_row_id", 71 &dc.problem_row_id), 72 GNUNET_PQ_result_spec_string ("operation", 73 &dc.operation), 74 TALER_PQ_RESULT_SPEC_AMOUNT ("loss", 75 &dc.loss), 76 GNUNET_PQ_result_spec_auto_from_type ("operation_specific_pub", 77 &dc.operation_specific_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_get_bad_sig_losses ( 105 struct TALER_AUDITORDB_PostgresContext *pg, 106 int64_t limit, 107 uint64_t offset, 108 bool return_suppressed, 109 const struct GNUNET_CRYPTO_EddsaPublicKey *op_spec_pub, 110 const char *op, 111 TALER_AUDITORDB_BadSigLossesCallback cb, 112 void *cb_cls) 113 { 114 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 115 struct GNUNET_PQ_QueryParam params[] = { 116 GNUNET_PQ_query_param_uint64 (&offset), 117 GNUNET_PQ_query_param_bool (return_suppressed), 118 GNUNET_PQ_query_param_uint64 (&plimit), 119 NULL == op_spec_pub 120 ? GNUNET_PQ_query_param_null () 121 : GNUNET_PQ_query_param_auto_from_type (op_spec_pub), 122 NULL == op 123 ? GNUNET_PQ_query_param_null () 124 : GNUNET_PQ_query_param_string (op), 125 GNUNET_PQ_query_param_end 126 }; 127 struct BadSigLossesContext dcc = { 128 .cb = cb, 129 .cb_cls = cb_cls, 130 .pg = pg 131 }; 132 enum GNUNET_DB_QueryStatus qs; 133 134 PREPARE (pg, 135 "auditor_bad_sig_losses_get_desc", 136 "SELECT" 137 " row_id" 138 ",problem_row_id" 139 ",operation" 140 ",loss" 141 ",operation_specific_pub" 142 ",suppressed" 143 " FROM auditor_bad_sig_losses" 144 " WHERE (row_id < $1)" 145 " AND ($2 OR NOT suppressed)" 146 " AND ($4::BYTEA IS NULL OR operation_specific_pub = $4)" 147 " AND ($5::TEXT IS NULL OR operation = $5)" 148 " ORDER BY row_id DESC" 149 " LIMIT $3" 150 ); 151 PREPARE (pg, 152 "auditor_bad_sig_losses_get_asc", 153 "SELECT" 154 " row_id" 155 ",problem_row_id" 156 ",operation" 157 ",loss" 158 ",operation_specific_pub" 159 ",suppressed" 160 " FROM auditor_bad_sig_losses" 161 " WHERE (row_id > $1)" 162 " AND ($2 OR NOT suppressed)" 163 " AND ($4::BYTEA IS NULL OR operation_specific_pub = $4)" 164 " AND ($5::TEXT IS NULL OR operation = $5)" 165 " ORDER BY row_id ASC" 166 " LIMIT $3" 167 ); 168 qs = GNUNET_PQ_eval_prepared_multi_select ( 169 pg->conn, 170 (limit > 0) 171 ? "auditor_bad_sig_losses_get_asc" 172 : "auditor_bad_sig_losses_get_desc", 173 params, 174 &bad_sig_losses_cb, 175 &dcc); 176 if (qs > 0) 177 return dcc.qs; 178 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 179 return qs; 180 }