iterate_prewires_below_open_shards.h (2080B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2026 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/iterate_prewires_below_open_shards.h 18 * @brief implementation of the iterate_prewires_below_open_shards function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_ITERATE_PREWIRES_BELOW_OPEN_SHARDS_H 22 #define EXCHANGE_DATABASE_ITERATE_PREWIRES_BELOW_OPEN_SHARDS_H 23 24 #include "taler/taler_json_lib.h" 25 #include "exchangedb_lib.h" 26 #include "exchange-database/iterate_prewires.h" 27 28 29 /** 30 * Function called to get unfinished wire transfer preparations that lie 31 * below every shard of @a job_name that is still open, that is, in shards 32 * that were completed while the transaction inserting the row had not yet 33 * committed. Locks the rows returned until the end of the transaction and 34 * skips rows another transaction holds locked. 35 * 36 * Primary test table: `prewire` (see test_prewire.c). 37 * 38 * @param pg the database context 39 * @param job_name name of the work shard job that processes `prewire` 40 * @param limit maximum number of results to return 41 * @param cb function to call for each unfinished item 42 * @param cb_cls closure for @a cb 43 * @return transaction status code 44 */ 45 enum GNUNET_DB_QueryStatus 46 TALER_EXCHANGEDB_iterate_prewires_below_open_shards ( 47 struct TALER_EXCHANGEDB_PostgresContext *pg, 48 const char *job_name, 49 uint64_t limit, 50 TALER_EXCHANGEDB_WirePreparationIterator cb, 51 void *cb_cls); 52 53 #endif