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author | Nic Eigel <nic@eigel.ch> | 2024-06-24 00:08:47 +0200 |
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committer | Nic Eigel <nic@eigel.ch> | 2024-06-24 00:08:47 +0200 |
commit | 74b23809f3e100ad7d63cd746fd5ff3a93b4fdd5 (patch) | |
tree | 84c79a84255730725c110c61054964f641b8c16d /src/auditordb/pg_get_row_inconsistency.c | |
parent | ed2d7f089fd071d9983d829a18774616f2a6a147 (diff) | |
download | exchange-74b23809f3e100ad7d63cd746fd5ff3a93b4fdd5.tar.xz |
real-time-auditor
Diffstat (limited to 'src/auditordb/pg_get_row_inconsistency.c')
-rw-r--r-- | src/auditordb/pg_get_row_inconsistency.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/auditordb/pg_get_row_inconsistency.c b/src/auditordb/pg_get_row_inconsistency.c new file mode 100644 index 000000000..51115003e --- /dev/null +++ b/src/auditordb/pg_get_row_inconsistency.c @@ -0,0 +1,176 @@ +/* + This file is part of TALER + Copyright (C) 2024 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +#include "platform.h" +#include "taler_error_codes.h" +#include "taler_dbevents.h" +#include "taler_pq_lib.h" +#include "pg_helper.h" +#include "pg_get_row_inconsistency.h" + +/** + * Closure for #deposit_confirmation_cb(). + */ +struct RowInconsistencyContext +{ + + /** + * Function to call for each deposit confirmation. + */ + TALER_AUDITORDB_RowInconsistencyCallback cb; + + /** + * Closure for @e cb + */ + void *cb_cls; + + /** + * Plugin context. + */ + struct PostgresClosure *pg; + + /** + * Query status to return. + */ + enum GNUNET_DB_QueryStatus qs; +}; + + +/** + * Helper function for #TAH_PG_get_deposit_confirmations(). + * To be called with the results of a SELECT statement + * that has returned @a num_results results. + * + * @param cls closure of type `struct DepositConfirmationContext *` + * @param result the postgres result + * @param num_results the number of results in @a result + */ +static void +row_inconsistency_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct RowInconsistencyContext *dcc = cls; + + for (unsigned int i = 0; i < num_results; i++) + { + uint64_t serial_id; + + struct TALER_AUDITORDB_RowInconsistency dc; + + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_uint64 ("row_id", &serial_id), + + GNUNET_PQ_result_spec_string ("row_table", &dc.row_table), + GNUNET_PQ_result_spec_string ("diagnostic", &dc.diagnostic), + GNUNET_PQ_result_spec_bool ("suppressed", &dc.suppressed), + + + GNUNET_PQ_result_spec_end + }; + enum GNUNET_GenericReturnValue rval; + + if (GNUNET_OK != + GNUNET_PQ_extract_result (result, + rs, + i)) + { + GNUNET_break (0); + dcc->qs = GNUNET_DB_STATUS_HARD_ERROR; + return; + } + + dcc->qs = i + 1; + + + rval = dcc->cb (dcc->cb_cls, + serial_id, + &dc); + GNUNET_PQ_cleanup_result (rs); + if (GNUNET_OK != rval) + break; + } +} + + +enum GNUNET_DB_QueryStatus +TAH_PG_get_row_inconsistency ( + void *cls, + int64_t limit, + uint64_t offset, + bool return_suppressed, // maybe not needed + TALER_AUDITORDB_RowInconsistencyCallback cb, + void *cb_cls) +{ + + uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit); + + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_uint64 (&offset), + GNUNET_PQ_query_param_bool (return_suppressed), + GNUNET_PQ_query_param_uint64 (&plimit), + GNUNET_PQ_query_param_end + }; + struct RowInconsistencyContext dcc = { + .cb = cb, + .cb_cls = cb_cls, + .pg = pg + }; + enum GNUNET_DB_QueryStatus qs; + + + PREPARE (pg, + "auditor_row_inconsistency_select_desc", + "SELECT" + " row_id" + ",row_table" + ",diagnostic" + ",suppressed" + " FROM auditor_row_inconsistency" + " WHERE (row_id < $1)" + " AND ($2 OR suppressed is false)" + " ORDER BY row_id DESC" + " LIMIT $3" + ); + PREPARE (pg, + "auditor_row_inconsistency_select_asc", + "SELECT" + " row_id" + ",row_table" + ",diagnostic" + ",suppressed" + " FROM auditor_row_inconsistency" + " WHERE (row_id > $1)" + " AND ($2 OR suppressed is false)" + " ORDER BY row_id DESC" + " LIMIT $3" + ); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + (limit > 0) ? + "auditor_row_inconsistency_select_asc" + : + "auditor_row_inconsistency_select_desc", + params, + &row_inconsistency_cb, + &dcc); + + + if (qs > 0) + return dcc.qs; + GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs); + return qs; +}
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