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/*
This file is part of TALER
(C) 2018 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 exchange-lib/testing_api_cmd_check_keys.c
* @brief Implementation of "check keys" test command.
* @author Marcello Stanisci
*/
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "exchange_api_handle.h"
#include "taler_testing_lib.h"
struct CheckKeysState
{
/**
* FIXME
*/
unsigned int generation;
/**
* FIXME
*/
unsigned int num_denom_keys;
/**
* Connection to the exchange.
*/
struct TALER_EXCHANGE_Handle *exchange;
};
/**
* Run the command.
*
* @param cls closure, typically a #struct SignalState.
* @param cmd the command to execute, a /wire one.
* @param is the interpreter state.
*/
void
check_keys_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct CheckKeysState *cks = cls;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"cmd `%s', key generation: %d\n",
cmd->label, is->key_generation);
if (is->key_generation < cks->generation)
{
/* Go back to waiting for /keys signal! */
is->working = GNUNET_NO;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Triggering /keys dl, cmd `%s'\n",
cmd->label);
GNUNET_break (0 == TALER_EXCHANGE_check_keys_current
(cks->exchange, GNUNET_YES).abs_value_us);
return;
}
if (is->key_generation > cks->generation)
{
/* We got /keys too often, strange. Fatal. May theoretically
happen if somehow we were really unlucky and /keys expired
"naturally", but obviously with a sane configuration this
should also not be. */
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
/* /keys was updated, let's check they were OK! */
if (cks->num_denom_keys != is->keys->num_denom_keys)
{
/* Did not get the expected number of denomination keys! */
GNUNET_break (0);
fprintf (stderr, "Got %u keys in step %s\n",
is->keys->num_denom_keys, cmd->label);
TALER_TESTING_interpreter_fail (is);
return;
}
TALER_TESTING_interpreter_next (is);
}
/**
* Cleanup the state.
*
* @param cls closure, typically a #struct SignalState.
* @param cmd the command which is being cleaned up.
*/
void
check_keys_cleanup (void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct CheckKeysState *cks = cls;
GNUNET_free (cks);
}
/**
* Make a "check keys" command.
*
* @param label command label
* @param generation FIXME
* @param num_denom_keys FIXME
*
* @return the command.
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_check_keys
(const char *label,
unsigned int generation,
unsigned int num_denom_keys,
struct TALER_EXCHANGE_Handle *exchange)
{
struct CheckKeysState *cks;
struct TALER_TESTING_Command cmd;
cks = GNUNET_new (struct CheckKeysState);
cks->generation = generation;
cks->num_denom_keys = num_denom_keys;
cks->exchange = exchange;
cmd.cls = cks;
cmd.label = label;
cmd.run = &check_keys_run;
cmd.cleanup = &check_keys_cleanup;
return cmd;
}
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