gc.c (2560B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2026 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 * @file src/auditordb/gc.c 18 * @brief Implementation of the gc function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "auditor-database/gc.h" 23 #include "pg_helper.h" 24 25 26 enum GNUNET_GenericReturnValue 27 TALER_AUDITORDB_gc (struct TALER_AUDITORDB_PostgresContext *pg) 28 { 29 /* For now, we hard-code the cut-off date based on the 30 common legal requirement to keep data for 10 years. 31 Might make it configurable in the future. */ 32 struct GNUNET_TIME_Absolute cutoff 33 = GNUNET_TIME_absolute_subtract ( 34 GNUNET_TIME_absolute_get (), 35 GNUNET_TIME_relative_multiply ( 36 GNUNET_TIME_UNIT_YEARS, 37 10)); 38 struct GNUNET_PQ_QueryParam params_time[] = { 39 GNUNET_PQ_query_param_absolute_time (&cutoff), 40 GNUNET_PQ_query_param_end 41 }; 42 struct GNUNET_PQ_Context *conn; 43 enum GNUNET_DB_QueryStatus qs; 44 struct GNUNET_PQ_PreparedStatement ps[] = { 45 GNUNET_PQ_make_prepare ("do_gc_auditor", 46 "CALL" 47 " auditor.auditor_do_gc_auditor" 48 " ($1);"), 49 GNUNET_PQ_PREPARED_STATEMENT_END 50 }; 51 struct GNUNET_PQ_ExecuteStatement es[] = { 52 GNUNET_PQ_make_try_execute ("SET search_path TO auditor;"), 53 GNUNET_PQ_EXECUTE_STATEMENT_END 54 }; 55 56 conn = GNUNET_PQ_connect_with_cfg (pg->cfg, 57 "auditordb-postgres", 58 NULL, 59 es, 60 ps); 61 if (NULL == conn) 62 return GNUNET_SYSERR; 63 qs = GNUNET_PQ_eval_prepared_non_select (conn, 64 "do_gc_auditor", 65 params_time); 66 GNUNET_PQ_disconnect (conn); 67 if (0 > qs) 68 { 69 GNUNET_break (0); 70 return GNUNET_SYSERR; 71 } 72 return GNUNET_OK; 73 }