pg_get_wire_format_inconsistency.c (4795B)
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_wire_format_inconsistency.h" 22 23 24 struct WireFormatInconsistencyContext 25 { 26 27 /** 28 * Function to call for each bad sig loss. 29 */ 30 TALER_AUDITORDB_WireFormatInconsistencyCallback 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_wire_format_inconsistency(). 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 WireFormatInconsistencyContext *` 55 * @param result the postgres result 56 * @param num_results the number of results in @a result 57 */ 58 static void 59 wire_format_inconsistency_cb (void *cls, 60 PGresult *result, 61 unsigned int num_results) 62 { 63 struct WireFormatInconsistencyContext *dcc = cls; 64 struct PostgresClosure *pg = dcc->pg; 65 66 for (unsigned int i = 0; i < num_results; i++) 67 { 68 struct TALER_AUDITORDB_WireFormatInconsistency 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 ("wire_offset", 75 &dc.wire_offset), 76 GNUNET_PQ_result_spec_string ("diagnostic", 77 &dc.diagnostic), 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 TAH_PG_get_wire_format_inconsistency ( 105 void *cls, 106 int64_t limit, 107 uint64_t offset, 108 bool return_suppressed, 109 TALER_AUDITORDB_WireFormatInconsistencyCallback cb, 110 void *cb_cls) 111 { 112 struct PostgresClosure *pg = cls; 113 uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); 114 struct GNUNET_PQ_QueryParam params[] = { 115 GNUNET_PQ_query_param_uint64 (&offset), 116 GNUNET_PQ_query_param_bool (return_suppressed), 117 GNUNET_PQ_query_param_uint64 (&plimit), 118 GNUNET_PQ_query_param_end 119 }; 120 struct WireFormatInconsistencyContext dcc = { 121 .cb = cb, 122 .cb_cls = cb_cls, 123 .pg = pg 124 }; 125 enum GNUNET_DB_QueryStatus qs; 126 127 PREPARE (pg, 128 "auditor_wire_format_inconsistency_get_desc", 129 "SELECT" 130 " row_id," 131 " amount," 132 " wire_offset," 133 " diagnostic," 134 " suppressed" 135 " FROM auditor_wire_format_inconsistency" 136 " WHERE (row_id < $1)" 137 " AND ($2 OR NOT suppressed)" 138 " ORDER BY row_id DESC" 139 " LIMIT $3" 140 ); 141 PREPARE (pg, 142 "auditor_wire_format_inconsistency_get_asc", 143 "SELECT" 144 " row_id," 145 " amount," 146 " wire_offset," 147 " diagnostic," 148 " suppressed" 149 " FROM auditor_wire_format_inconsistency" 150 " WHERE (row_id > $1)" 151 " AND ($2 OR NOT suppressed)" 152 " ORDER BY row_id ASC" 153 " LIMIT $3" 154 ); 155 qs = GNUNET_PQ_eval_prepared_multi_select ( 156 pg->conn, 157 (limit > 0) 158 ? "auditor_wire_format_inconsistency_get_asc" 159 : "auditor_wire_format_inconsistency_get_desc", 160 params, 161 &wire_format_inconsistency_cb, 162 &dcc); 163 if (qs > 0) 164 return dcc.qs; 165 GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); 166 return qs; 167 }