get_progress_points.h (2453B)
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 src/include/auditor-database/get_progress_points.h 18 * @brief implementation of the get_progress_points function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef AUDITOR_DATABASE_GET_PROGRESS_POINTS_H 22 #define AUDITOR_DATABASE_GET_PROGRESS_POINTS_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "auditordb_lib.h" 27 28 29 /** 30 * Information about progress of the audit. 31 */ 32 struct TALER_AUDITORDB_Progress 33 { 34 char *progress_key; 35 uint64_t progress_offset; 36 }; 37 38 #ifndef TALER_AUDITORDB_PROGRESS_POINTS_RESULT_CLOSURE 39 /** 40 * Type of the closure for #TALER_AUDITORDB_ProgressPointsCallback. 41 */ 42 #define TALER_AUDITORDB_PROGRESS_POINTS_RESULT_CLOSURE void 43 #endif 44 typedef enum GNUNET_GenericReturnValue 45 (*TALER_AUDITORDB_ProgressPointsCallback)( 46 TALER_AUDITORDB_PROGRESS_POINTS_RESULT_CLOSURE *cls, 47 const struct TALER_AUDITORDB_Progress *pp); 48 49 50 /* Callback typedefs */ 51 typedef enum GNUNET_GenericReturnValue 52 (*TALER_AUDITORDB_ProgressPointsCallback)( 53 TALER_AUDITORDB_PROGRESS_POINTS_RESULT_CLOSURE *cls, 54 const struct TALER_AUDITORDB_Progress *pp); 55 56 /** 57 * Get information about progress from the database. 58 * 59 * @param pg the database context 60 * @param progress_key only return this particular progress point 61 * @param cb function to call with results 62 * @param cb_cls closure for @a cb 63 * @return query result status 64 */ 65 enum GNUNET_DB_QueryStatus 66 TALER_AUDITORDB_get_progress_points (struct TALER_AUDITORDB_PostgresContext *pg, 67 const char *progress_key, 68 TALER_AUDITORDB_ProgressPointsCallback cb, 69 TALER_AUDITORDB_PROGRESS_POINTS_RESULT_CLOSURE 70 *cb_cls); 71 72 73 #endif