Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 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 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 exchangedb/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 "exchange-database/gc.h"
      23              : #include "helper.h"
      24              : 
      25              : 
      26              : enum GNUNET_GenericReturnValue
      27            0 : TALER_EXCHANGEDB_gc (struct TALER_EXCHANGEDB_PostgresContext *pg)
      28              : {
      29            0 :   struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
      30              :   struct GNUNET_TIME_Absolute long_ago;
      31            0 :   struct GNUNET_PQ_QueryParam params[] = {
      32            0 :     GNUNET_PQ_query_param_absolute_time (&long_ago),
      33            0 :     GNUNET_PQ_query_param_absolute_time (&now),
      34              :     GNUNET_PQ_query_param_end
      35              :   };
      36              :   struct GNUNET_PQ_Context *conn;
      37              :   enum GNUNET_GenericReturnValue ret;
      38              : 
      39              :   /* Keep wire fees for 10 years, that should always
      40              :      be enough _and_ they are tiny so it does not
      41              :      matter to make this tight */
      42            0 :   long_ago = GNUNET_TIME_absolute_subtract (
      43              :     now,
      44              :     GNUNET_TIME_relative_multiply (
      45              :       GNUNET_TIME_UNIT_YEARS,
      46              :       10));
      47              :   {
      48            0 :     struct GNUNET_PQ_ExecuteStatement es[] = {
      49            0 :       GNUNET_PQ_make_try_execute ("SET search_path TO exchange;"),
      50              :       GNUNET_PQ_EXECUTE_STATEMENT_END
      51              :     };
      52            0 :     struct GNUNET_PQ_PreparedStatement ps[] = {
      53            0 :       GNUNET_PQ_make_prepare ("run_gc",
      54              :                               "CALL"
      55              :                               " exchange_do_gc"
      56              :                               " ($1,$2);"),
      57              :       GNUNET_PQ_PREPARED_STATEMENT_END
      58              :     };
      59              : 
      60            0 :     conn = GNUNET_PQ_connect_with_cfg (pg->cfg,
      61              :                                        "exchangedb-postgres",
      62              :                                        NULL,
      63              :                                        es,
      64              :                                        ps);
      65              :   }
      66            0 :   if (NULL == conn)
      67            0 :     return GNUNET_SYSERR;
      68            0 :   ret = GNUNET_OK;
      69            0 :   if (0 > GNUNET_PQ_eval_prepared_non_select (conn,
      70              :                                               "run_gc",
      71              :                                               params))
      72            0 :     ret = GNUNET_SYSERR;
      73            0 :   GNUNET_PQ_disconnect (conn);
      74            0 :   return ret;
      75              : }