select_aml_statistics.h (2731B)
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 typedef void 37 (*TALER_EXCHANGEDB_AmlStatisticsCallback)( 38 void *cls, 39 const char *name, 40 uint64_t cnt); 41 42 43 /* Callback typedefs */ 44 /** 45 * Function called with AML statistics (counters). 46 * 47 * @param cls closure 48 * @param name name of the counter 49 * @param cnt number of events for @a name in the query range 50 */ 51 typedef void 52 (*TALER_EXCHANGEDB_AmlStatisticsCallback)( 53 void *cls, 54 const char *name, 55 uint64_t cnt); 56 57 /** 58 * Obtain the AML statistics for a given set of @a names and 59 * timeframe. 60 * 61 * @param pg the database context 62 * @param num_names length of the @e names array 63 * @param names array of names of the statistics to fetch 64 * @param start_date start of time range 65 * @param end_date end of time range 66 * @param cb function to call on each statistic 67 * @param cb_cls closure for @a cb 68 * @return database transaction status 69 */ 70 enum GNUNET_DB_QueryStatus 71 TALER_EXCHANGEDB_select_aml_statistics (struct 72 TALER_EXCHANGEDB_PostgresContext *pg, 73 size_t num_names, 74 const char *names[static num_names], 75 struct GNUNET_TIME_Timestamp start_date, 76 struct GNUNET_TIME_Timestamp end_date, 77 TALER_EXCHANGEDB_AmlStatisticsCallback 78 cb, 79 void *cb_cls); 80 81 #endif