sync

Backup service to store encrypted wallet databases (experimental)
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syncdb_gc.c (1999B)


      1 /*
      2   This file is part of TALER
      3   (C) 2014--2022 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it under the
      6   terms of the GNU Lesser 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 syncdb/syncdb_gc.c
     18  * @brief garbage collection for sync database
     19  * @author Christian Grothoff
     20  */
     21 #include "syncdb_pg.h"
     22 
     23 
     24 enum GNUNET_DB_QueryStatus
     25 SYNCDB_gc (struct GNUNET_TIME_Absolute expire_backups,
     26            struct GNUNET_TIME_Absolute expire_pending_payments)
     27 {
     28   struct GNUNET_PQ_QueryParam params[] = {
     29     GNUNET_PQ_query_param_absolute_time (&expire_backups),
     30     GNUNET_PQ_query_param_end
     31   };
     32   struct GNUNET_PQ_QueryParam params2[] = {
     33     GNUNET_PQ_query_param_absolute_time (&expire_pending_payments),
     34     GNUNET_PQ_query_param_end
     35   };
     36   enum GNUNET_DB_QueryStatus qs;
     37 
     38   SYNCDB_preflight ();
     39   PREPARE ("gc_accounts",
     40            "DELETE FROM accounts "
     41            "WHERE"
     42            " expiration_date < $1;");
     43   PREPARE ("gc_pending_payments",
     44            "DELETE FROM payments "
     45            "WHERE"
     46            "  paid=FALSE"
     47            " AND"
     48            "  timestamp < $1;");
     49   qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
     50                                            "gc_accounts",
     51                                            params);
     52   if (qs < 0)
     53     return qs;
     54   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     55                                              "gc_pending_payments",
     56                                              params2);
     57 }
     58 
     59 
     60 /* end of syncdb_gc.c */