LCOV - code coverage report
Current view: top level - auditordb - pg_get_emergency_by_count.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 35 39 89.7 %
Date: 2025-06-05 21:03:14 Functions: 2 2 100.0 %

          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             : #include "platform.h"
      17             : #include "taler_error_codes.h"
      18             : #include "taler_dbevents.h"
      19             : #include "taler_pq_lib.h"
      20             : #include "pg_helper.h"
      21             : #include "pg_get_emergency_by_count.h"
      22             : 
      23             : 
      24             : /**
      25             :  * Closure for #emergency_cb().
      26             :  */
      27             : struct EmergencyByCountContext
      28             : {
      29             : 
      30             :   /**
      31             :    * Function to call for each deposit confirmation.
      32             :    */
      33             :   TALER_AUDITORDB_EmergenciesByCountCallback cb;
      34             : 
      35             :   /**
      36             :    * Closure for @e cb
      37             :    */
      38             :   void *cb_cls;
      39             : 
      40             :   /**
      41             :    * Plugin context.
      42             :    */
      43             :   struct PostgresClosure *pg;
      44             : 
      45             :   /**
      46             :    * Query status to return.
      47             :    */
      48             :   enum GNUNET_DB_QueryStatus qs;
      49             : };
      50             : 
      51             : 
      52             : /**
      53             :  * Helper function for #TAH_PG_get_emergency_by_count().
      54             :  * To be called with the results of a SELECT statement
      55             :  * that has returned @a num_results results.
      56             :  *
      57             :  * @param cls closure of type `struct Emergency *`
      58             :  * @param result the postgres result
      59             :  * @param num_results the number of results in @a result
      60             :  */
      61             : static void
      62           4 : emergency_by_count_cb (void *cls,
      63             :                        PGresult *result,
      64             :                        unsigned int num_results)
      65             : {
      66           4 :   struct EmergencyByCountContext *dcc = cls;
      67           4 :   struct PostgresClosure *pg = dcc->pg;
      68             : 
      69           6 :   for (unsigned int i = 0; i < num_results; i++)
      70             :   {
      71             :     struct TALER_AUDITORDB_EmergenciesByCount dc;
      72           2 :     struct GNUNET_PQ_ResultSpec rs[] = {
      73           2 :       GNUNET_PQ_result_spec_uint64 ("row_id",
      74             :                                     &dc.row_id),
      75           2 :       GNUNET_PQ_result_spec_auto_from_type ("denompub_h",
      76             :                                             &dc.denompub_h),
      77           2 :       GNUNET_PQ_result_spec_uint64 ("num_issued",
      78             :                                     &dc.num_issued),
      79           2 :       GNUNET_PQ_result_spec_uint64 ("num_known",
      80             :                                     &dc.num_known),
      81           2 :       TALER_PQ_RESULT_SPEC_AMOUNT ("risk",
      82             :                                    &dc.risk),
      83           2 :       GNUNET_PQ_result_spec_absolute_time ("start",
      84             :                                            &dc.start),
      85           2 :       GNUNET_PQ_result_spec_absolute_time ("deposit_end",
      86             :                                            &dc.deposit_end),
      87           2 :       TALER_PQ_RESULT_SPEC_AMOUNT ("value",
      88             :                                    &dc.value),
      89           2 :       GNUNET_PQ_result_spec_bool ("suppressed",
      90             :                                   &dc.suppressed),
      91             :       GNUNET_PQ_result_spec_end
      92             :     };
      93             :     enum GNUNET_GenericReturnValue rval;
      94             : 
      95           2 :     if (GNUNET_OK !=
      96           2 :         GNUNET_PQ_extract_result (result,
      97             :                                   rs,
      98             :                                   i))
      99             :     {
     100           0 :       GNUNET_break (0);
     101           0 :       dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
     102           0 :       return;
     103             :     }
     104           2 :     dcc->qs = i + 1;
     105           2 :     rval = dcc->cb (dcc->cb_cls,
     106             :                     &dc);
     107           2 :     GNUNET_PQ_cleanup_result (rs);
     108           2 :     if (GNUNET_OK != rval)
     109           0 :       break;
     110             :   }
     111             : }
     112             : 
     113             : 
     114             : enum GNUNET_DB_QueryStatus
     115           4 : TAH_PG_get_emergency_by_count (
     116             :   void *cls,
     117             :   int64_t limit,
     118             :   uint64_t offset,
     119             :   bool return_suppressed,
     120             :   TALER_AUDITORDB_EmergenciesByCountCallback cb,
     121             :   void *cb_cls)
     122             : {
     123           4 :   struct PostgresClosure *pg = cls;
     124           4 :   uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
     125           4 :   struct GNUNET_PQ_QueryParam params[] = {
     126           4 :     GNUNET_PQ_query_param_uint64 (&offset),
     127           4 :     GNUNET_PQ_query_param_bool (return_suppressed),
     128           4 :     GNUNET_PQ_query_param_uint64 (&plimit),
     129             :     GNUNET_PQ_query_param_end
     130             :   };
     131           4 :   struct EmergencyByCountContext dcc = {
     132             :     .cb = cb,
     133             :     .cb_cls = cb_cls,
     134             :     .pg = pg
     135             :   };
     136             :   enum GNUNET_DB_QueryStatus qs;
     137             : 
     138           4 :   PREPARE (pg,
     139             :            "auditor_emergency_by_count_get_desc",
     140             :            "SELECT"
     141             :            " row_id"
     142             :            ",denompub_h"
     143             :            ",num_issued"
     144             :            ",num_known"
     145             :            ",risk"
     146             :            ",start"
     147             :            ",deposit_end"
     148             :            ",value"
     149             :            ",suppressed"
     150             :            " FROM auditor_emergency_by_count"
     151             :            " WHERE (row_id < $1)"
     152             :            " AND ($2 OR NOT suppressed)"
     153             :            " ORDER BY row_id DESC"
     154             :            " LIMIT $3"
     155             :            );
     156           4 :   PREPARE (pg,
     157             :            "auditor_emergency_by_count_get_asc",
     158             :            "SELECT"
     159             :            " row_id"
     160             :            ",denompub_h"
     161             :            ",num_issued"
     162             :            ",num_known"
     163             :            ",risk"
     164             :            ",start"
     165             :            ",deposit_end"
     166             :            ",value"
     167             :            ",suppressed"
     168             :            " FROM auditor_emergency_by_count"
     169             :            " WHERE (row_id > $1)"
     170             :            " AND ($2 OR NOT suppressed)"
     171             :            " ORDER BY row_id ASC"
     172             :            " LIMIT $3"
     173             :            );
     174           4 :   qs = GNUNET_PQ_eval_prepared_multi_select (
     175             :     pg->conn,
     176             :     (limit > 0)
     177             :     ? "auditor_emergency_by_count_get_asc"
     178             :     : "auditor_emergency_by_count_get_desc",
     179             :     params,
     180             :     &emergency_by_count_cb,
     181             :     &dcc);
     182           4 :   if (qs > 0)
     183           1 :     return dcc.qs;
     184           3 :   GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
     185           3 :   return qs;
     186             : }

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