Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   (C) 2014--2025 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 src/backenddb/preflight.c
      18              :  * @brief implementation of the preflight functions
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include <gnunet/gnunet_util_lib.h>
      22              : #include "merchantdb_lib.h"
      23              : #include "merchant-database/preflight.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : void
      28         2428 : TALER_MERCHANTDB_preflight (
      29              :   struct TALER_MERCHANTDB_PostgresContext *pg)
      30              : {
      31         2428 :   struct GNUNET_PQ_ExecuteStatement es[] = {
      32         2428 :     GNUNET_PQ_make_execute ("ROLLBACK"),
      33              :     GNUNET_PQ_EXECUTE_STATEMENT_END
      34              :   };
      35              : 
      36         2428 :   if (NULL == pg->transaction_name)
      37              :   {
      38         2428 :     GNUNET_PQ_reconnect_if_down (pg->conn);
      39         2428 :     return; /* all good */
      40              :   }
      41            0 :   if (GNUNET_OK ==
      42            0 :       GNUNET_PQ_exec_statements (pg->conn,
      43              :                                  es))
      44              :   {
      45            0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
      46              :                 "BUG: Preflight check rolled back transaction `%s'!\n",
      47              :                 pg->transaction_name);
      48              :   }
      49              :   else
      50              :   {
      51            0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
      52              :                 "BUG: Preflight check failed to rollback transaction `%s'!\n",
      53              :                 pg->transaction_name);
      54              :   }
      55            0 :   pg->transaction_name = NULL;
      56              : }