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/*
This file is part of TALER
Copyright (C) 2014-2018 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/testing_api_cmd_batch.c
* @brief Implement batch-execution of CMDs.
* @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"
/**
* State for a "batch" CMD.
*/
struct BatchState
{
/**
* CMDs batch.
*/
struct TALER_TESTING_Command *batch;
/**
* Internal comand pointer.
*/
int batch_ip;
};
/**
* Run the command.
*
* @param cls closure.
* @param cmd the command being executed.
* @param is the interpreter state.
*/
static void
batch_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct BatchState *bs = cls;
bs->batch_ip++;
if (NULL != bs->batch[bs->batch_ip].label)
TALER_LOG_DEBUG ("Running batched command: %s\n",
bs->batch[bs->batch_ip].label);
/* hit end command, leap to next top-level command. */
if (NULL == bs->batch[bs->batch_ip].label)
{
TALER_LOG_INFO ("Exiting from batch: %s\n",
cmd->label);
TALER_TESTING_interpreter_next (is);
return;
}
bs->batch[bs->batch_ip].run (bs->batch[bs->batch_ip].cls,
&bs->batch[bs->batch_ip],
is);
}
/**
* Cleanup the state from a "reserve status" CMD, and possibly
* cancel a pending operation thereof.
*
* @param cls closure.
* @param cmd the command which is being cleaned up.
*/
static void
batch_cleanup (void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct BatchState *bs = cls;
for (unsigned int i=0;
NULL != bs->batch[i].label;
i++)
bs->batch[i].cleanup (bs->batch[i].cls,
&bs->batch[i]);
GNUNET_free_non_null (bs->batch);
GNUNET_free (bs);
}
/**
* Offer internal data from a "batch" CMD, to other commands.
*
* @param cls closure.
* @param ret[out] result.
* @param trait name of the trait.
* @param index index number of the object to offer.
* @return #GNUNET_OK on success.
*/
static int
batch_traits (void *cls,
const void **ret,
const char *trait,
unsigned int index)
{
#define CURRENT_CMD_INDEX 0
#define BATCH_INDEX 1
struct BatchState *bs = cls;
struct TALER_TESTING_Trait traits[] = {
TALER_TESTING_make_trait_cmd
(CURRENT_CMD_INDEX, &bs->batch[bs->batch_ip]),
TALER_TESTING_make_trait_cmd
(BATCH_INDEX, bs->batch),
TALER_TESTING_trait_end ()
};
/* Always return current command. */
return TALER_TESTING_get_trait (traits,
ret,
trait,
index);
}
/**
* Create a "batch" command. Such command takes a
* end_CMD-terminated array of CMDs and executed them.
* Once it hits the end CMD, it passes the control
* to the next top-level CMD, regardless of it being
* another batch or ordinary CMD.
*
* @param label the command label.
* @param batch array of CMDs to execute.
*
* @return the command.
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_batch (const char *label,
struct TALER_TESTING_Command *batch)
{
struct BatchState *bs;
unsigned int i;
bs = GNUNET_new (struct BatchState);
bs->batch_ip = -1;
/* Get number of commands. */
for (i=0;NULL != batch[i].label;i++)
/* noop */
;
bs->batch = GNUNET_new_array (i + 1,
struct TALER_TESTING_Command);
memcpy (bs->batch,
batch,
sizeof (struct TALER_TESTING_Command) * i);
struct TALER_TESTING_Command cmd = {
.cls = bs,
.label = label,
.run = &batch_run,
.cleanup = &batch_cleanup,
.traits = &batch_traits
};
return cmd;
}
/**
* Test if this command is a batch command.
*
* @return false if not, true if it is a batch command
*/
int
TALER_TESTING_cmd_is_batch (const struct TALER_TESTING_Command *cmd)
{
return cmd->run == &batch_run;
}
/**
* Obtain what command the batch is at.
*
* @return cmd current batch command
*/
struct TALER_TESTING_Command *
TALER_TESTING_cmd_batch_get_current (const struct TALER_TESTING_Command *cmd)
{
struct BatchState *bs = cmd->cls;
return &bs->batch[bs->batch_ip];
}
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