select_aml_statistics.h (3095B)
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/exchange-database/select_aml_statistics.h 18 * @brief implementation of the select_aml_statistics function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_SELECT_AML_STATISTICS_H 22 #define EXCHANGE_DATABASE_SELECT_AML_STATISTICS_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "exchangedb_lib.h" 27 28 29 /** 30 * Function called with AML statistics (counters). 31 * 32 * @param cls closure 33 * @param name name of the counter 34 * @param cnt number of events for @a name in the query range 35 */ 36 #ifndef TALER_EXCHANGEDB_AML_STATISTICS_RESULT_CLOSURE 37 /** 38 * Type of the closure for #TALER_EXCHANGEDB_AmlStatisticsCallback. 39 */ 40 #define TALER_EXCHANGEDB_AML_STATISTICS_RESULT_CLOSURE void 41 #endif 42 typedef void 43 (*TALER_EXCHANGEDB_AmlStatisticsCallback)( 44 TALER_EXCHANGEDB_AML_STATISTICS_RESULT_CLOSURE *cls, 45 const char *name, 46 uint64_t cnt); 47 48 49 /* Callback typedefs */ 50 /** 51 * Function called with AML statistics (counters). 52 * 53 * @param cls closure 54 * @param name name of the counter 55 * @param cnt number of events for @a name in the query range 56 */ 57 typedef void 58 (*TALER_EXCHANGEDB_AmlStatisticsCallback)( 59 TALER_EXCHANGEDB_AML_STATISTICS_RESULT_CLOSURE *cls, 60 const char *name, 61 uint64_t cnt); 62 63 /** 64 * Obtain the AML statistics for a given set of @a names and 65 * timeframe. 66 * 67 * @param pg the database context 68 * @param num_names length of the @e names array 69 * @param names array of names of the statistics to fetch 70 * @param start_date start of time range 71 * @param end_date end of time range 72 * @param cb function to call on each statistic 73 * @param cb_cls closure for @a cb 74 * @return database transaction status 75 */ 76 enum GNUNET_DB_QueryStatus 77 TALER_EXCHANGEDB_select_aml_statistics (struct 78 TALER_EXCHANGEDB_PostgresContext *pg, 79 size_t num_names, 80 const char *names[static num_names], 81 struct GNUNET_TIME_Timestamp start_date, 82 struct GNUNET_TIME_Timestamp end_date, 83 TALER_EXCHANGEDB_AmlStatisticsCallback 84 cb, 85 TALER_EXCHANGEDB_AML_STATISTICS_RESULT_CLOSURE 86 *cb_cls); 87 88 #endif