Line data    Source code

       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             : /**
      17             :  * @file pg_update_auditor_progress.c
      18             :  * @brief Low-level (statement-level) Postgres database access for the exchange
      19             :  * @author Christian Grothoff
      20             :  */
      21             : #include "platform.h"
      22             : #include "taler_error_codes.h"
      23             : #include "taler_dbevents.h"
      24             : #include "taler_pq_lib.h"
      25             : #include "pg_update_auditor_progress.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : enum GNUNET_DB_QueryStatus
      30         509 : TAH_PG_update_auditor_progress (
      31             :   void *cls,
      32             :   const char *progress_key,
      33             :   uint64_t progress_offset,
      34             :   ...)
      35             : {
      36         509 :   struct PostgresClosure *pg = cls;
      37         509 :   unsigned int cnt = 1;
      38             :   va_list ap;
      39             : 
      40         509 :   va_start (ap,
      41             :             progress_offset);
      42        1742 :   while (NULL != va_arg (ap,
      43             :                          const char *))
      44             :   {
      45        1233 :     cnt++;
      46        1233 :     (void) va_arg (ap,
      47             :                    uint64_t);
      48             :   }
      49         509 :   va_end (ap);
      50         509 :   {
      51         509 :     const char *keys[cnt];
      52         509 :     uint64_t offsets[cnt];
      53         509 :     unsigned int off = 1;
      54         509 :     struct GNUNET_PQ_QueryParam params[] = {
      55         509 :       GNUNET_PQ_query_param_array_ptrs_string (cnt,
      56             :                                                keys,
      57             :                                                pg->conn),
      58         509 :       GNUNET_PQ_query_param_array_uint64 (cnt,
      59             :                                           offsets,
      60             :                                           pg->conn),
      61             :       GNUNET_PQ_query_param_end
      62             :     };
      63             :     enum GNUNET_DB_QueryStatus qs;
      64             : 
      65         509 :     keys[0] = progress_key;
      66         509 :     offsets[0] = progress_offset;
      67             : 
      68         509 :     va_start (ap,
      69             :               progress_offset);
      70        1742 :     while (off < cnt)
      71             :     {
      72        1233 :       keys[off] = va_arg (ap,
      73             :                           const char *);
      74        1233 :       offsets[off] = va_arg (ap,
      75             :                              uint64_t);
      76        1233 :       off++;
      77             :     }
      78         509 :     GNUNET_assert (NULL == va_arg (ap,
      79             :                                    const char *));
      80         509 :     va_end (ap);
      81             : 
      82         509 :     PREPARE (pg,
      83             :              "auditor_progress_update",
      84             :              "UPDATE auditor_progress"
      85             :              "  SET progress_offset=data.off"
      86             :              "  FROM ("
      87             :              "    SELECT *"
      88             :              "      FROM UNNEST (CAST($1 AS TEXT[]),"
      89             :              "                   CAST($2 AS INT8[]))"
      90             :              "      AS t(key,off)"
      91             :              "  ) AS data"
      92             :              " WHERE auditor_progress.progress_key=data.key;");
      93         509 :     qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
      94             :                                              "auditor_progress_update",
      95             :                                              params);
      96         509 :     GNUNET_PQ_cleanup_query_params_closures (params);
      97         509 :     return qs;
      98             :   }
      99             : }