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/*
This file is part of TALER
(C) 2016-2023 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/>
*/
/**
* @file bank-lib/fakebank_common_parser.c
* @brief functions to help parse REST requests
* @author Christian Grothoff <christian@grothoff.org>
*/
#include "platform.h"
#include "taler_fakebank_lib.h"
#include "taler_bank_service.h"
#include "taler_mhd_lib.h"
#include <gnunet/gnunet_mhd_compat.h>
#include "fakebank.h"
enum GNUNET_GenericReturnValue
TALER_FAKEBANK_common_parse_history_args (
const struct TALER_FAKEBANK_Handle *h,
struct MHD_Connection *connection,
struct HistoryArgs *ha)
{
const char *start;
const char *delta;
const char *long_poll_ms;
unsigned long long lp_timeout;
unsigned long long sval;
long long d;
char dummy;
start = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"start");
ha->have_start = (NULL != start);
delta = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"delta");
long_poll_ms = MHD_lookup_connection_value (connection,
MHD_GET_ARGUMENT_KIND,
"long_poll_ms");
lp_timeout = 0;
if ( (NULL == delta) ||
(1 != sscanf (delta,
"%lld%c",
&d,
&dummy)) )
{
/* Fail if one of the above failed. */
/* Invalid request, given that this is fakebank we impolitely
* just kill the connection instead of returning a nice error.
*/
GNUNET_break_op (0);
return (MHD_YES ==
TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"delta"))
? GNUNET_NO
: GNUNET_SYSERR;
}
if ( (NULL != long_poll_ms) &&
(1 != sscanf (long_poll_ms,
"%llu%c",
&lp_timeout,
&dummy)) )
{
/* Fail if one of the above failed. */
/* Invalid request, given that this is fakebank we impolitely
* just kill the connection instead of returning a nice error.
*/
GNUNET_break_op (0);
return (MHD_YES ==
TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"long_poll_ms"))
? GNUNET_NO
: GNUNET_SYSERR;
}
if ( (NULL != start) &&
(1 != sscanf (start,
"%llu%c",
&sval,
&dummy)) )
{
/* Fail if one of the above failed. */
/* Invalid request, given that this is fakebank we impolitely
* just kill the connection instead of returning a nice error.
*/
GNUNET_break_op (0);
return (MHD_YES ==
TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"start"))
? GNUNET_NO
: GNUNET_SYSERR;
}
if (NULL == start)
ha->start_idx = (d > 0) ? 0 : h->serial_counter;
else
ha->start_idx = (uint64_t) sval;
ha->delta = (int64_t) d;
if (0 == ha->delta)
{
GNUNET_break_op (0);
return (MHD_YES ==
TALER_MHD_reply_with_error (connection,
MHD_HTTP_BAD_REQUEST,
TALER_EC_GENERIC_PARAMETER_MALFORMED,
"delta"))
? GNUNET_NO
: GNUNET_SYSERR;
}
ha->lp_timeout
= GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
lp_timeout);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Request for %lld records from %llu\n",
(long long) ha->delta,
(unsigned long long) ha->start_idx);
return GNUNET_OK;
}
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