pg_get_bad_sig_losses.c (5314B)
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_bad_sig_losses.h" 22 23 24 struct BadSigLossesContext 25 { 26 27 /** 28 * Function to call for each bad sig loss. 29 */ 30 TALER_AUDITORDB_BadSigLossesCallback 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_bad_sig_losses(). 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 BadSigLossesContext *` 55 * @param result the postgres result 56 * @param num_results the number of results in @a result 57 */ 58 static void 59 bad_sig_losses_cb (void *cls, 60 PGresult *result, 61 unsigned int num_results) 62 { 63 struct BadSigLossesContext *dcc = cls; 64 struct PostgresClosure *pg = dcc->pg; 65 66 for (unsigned int i = 0; i < num_results; i++) 67 { 68 struct TALER_AUDITORDB_BadSigLosses dc; 69 struct GNUNET_PQ_ResultSpec rs[] = { 70 GNUNET_PQ_result_spec_uint64 ("row_id", 71 &dc.row_id), 72 GNUNET_PQ_result_spec_uint64 ("problem_row_id", 73 &dc.problem_row_id), 74 GNUNET_PQ_result_spec_string ("operation", 75 &dc.operation), 76 TALER_PQ_RESULT_SPEC_AMOUNT ("loss", 77 &dc.loss), 78 GNUNET_PQ_result_spec_auto_from_type ("operation_specific_pub", 79 &dc.operation_specific_pub), 80 GNUNET_PQ_result_spec_bool ("suppressed", 81 &dc.suppressed), 82 GNUNET_PQ_result_spec_end 83 }; 84 enum GNUNET_GenericReturnValue rval; 85 86 if (GNUNET_OK != 87 GNUNET_PQ_extract_result (result, 88 rs, 89 i)) 90 { 91 GNUNET_break (0); 92 dcc->qs = GNUNET_DB_STATUS_HARD_ERROR; 93 return; 94 } 95 dcc->qs = i + 1; 96 rval = dcc->cb (dcc->cb_cls, 97 &dc); 98 GNUNET_PQ_cleanup_result (rs); 99 if (GNUNET_OK != rval) 100 break; 101 } 102 } 103 104 105 enum GNUNET_DB_QueryStatus 106 TAH_PG_get_bad_sig_losses ( 107 void *cls, 108 int64_t limit, 109 uint64_t offset, 110 bool return_suppressed, 111 const struct GNUNET_CRYPTO_EddsaPublicKey *op_spec_pub, 112 const char *op, 113 TALER_AUDITORDB_BadSigLossesCallback cb, 114 void *cb_cls) 115 { 116 struct PostgresClosure *pg = cls; 117 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 118 struct GNUNET_PQ_QueryParam params[] = { 119 GNUNET_PQ_query_param_uint64 (&offset), 120 GNUNET_PQ_query_param_bool (return_suppressed), 121 GNUNET_PQ_query_param_uint64 (&plimit), 122 NULL == op_spec_pub 123 ? GNUNET_PQ_query_param_null () 124 : GNUNET_PQ_query_param_auto_from_type (op_spec_pub), 125 NULL == op 126 ? GNUNET_PQ_query_param_null () 127 : GNUNET_PQ_query_param_string (op), 128 GNUNET_PQ_query_param_end 129 }; 130 struct BadSigLossesContext dcc = { 131 .cb = cb, 132 .cb_cls = cb_cls, 133 .pg = pg 134 }; 135 enum GNUNET_DB_QueryStatus qs; 136 137 PREPARE (pg, 138 "auditor_bad_sig_losses_get_desc", 139 "SELECT" 140 " row_id" 141 ",problem_row_id" 142 ",operation" 143 ",loss" 144 ",operation_specific_pub" 145 ",suppressed" 146 " FROM auditor_bad_sig_losses" 147 " WHERE (row_id < $1)" 148 " AND ($2 OR NOT suppressed)" 149 " AND ($4::BYTEA IS NULL OR operation_specific_pub = $4)" 150 " AND ($5::TEXT IS NULL OR operation = $5)" 151 " ORDER BY row_id DESC" 152 " LIMIT $3" 153 ); 154 PREPARE (pg, 155 "auditor_bad_sig_losses_get_asc", 156 "SELECT" 157 " row_id" 158 ",problem_row_id" 159 ",operation" 160 ",loss" 161 ",operation_specific_pub" 162 ",suppressed" 163 " FROM auditor_bad_sig_losses" 164 " WHERE (row_id > $1)" 165 " AND ($2 OR NOT suppressed)" 166 " AND ($4::BYTEA IS NULL OR operation_specific_pub = $4)" 167 " AND ($5::TEXT IS NULL OR operation = $5)" 168 " ORDER BY row_id ASC" 169 " LIMIT $3" 170 ); 171 qs = GNUNET_PQ_eval_prepared_multi_select ( 172 pg->conn, 173 (limit > 0) 174 ? "auditor_bad_sig_losses_get_asc" 175 : "auditor_bad_sig_losses_get_desc", 176 params, 177 &bad_sig_losses_cb, 178 &dcc); 179 if (qs > 0) 180 return dcc.qs; 181 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 182 return qs; 183 }