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/*
This file is part of GNUnet
Copyright (C) 2022 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet 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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file testing/testing_api_cmd_barrier.c
* @brief Barrier functionality.
* @author t3sserakt
*/
#include "platform.h"
#include "testing.h"
#include "gnunet_testing_ng_lib.h"
#include "gnunet_testing_plugin.h"
#include "gnunet_testing_netjail_lib.h"
#include "gnunet_testing_barrier.h"
/**
* Generic logging shortcut
*/
#define LOG(kind, ...) GNUNET_log (kind, __VA_ARGS__)
struct BarrierState
{
/*
* Our barrier.
*/
struct GNUNET_TESTING_Barrier *barrier;
/*
* Our label.
*/
const char *label;
};
// FIXME Unused function
void
GNUNET_TESTING_send_barrier_attach (struct GNUNET_TESTING_Interpreter *is,
char *barrier_name,
unsigned int global_node_number,
unsigned int expected_reaches,
GNUNET_TESTING_cmd_helper_write_cb
write_message)
{
struct CommandBarrierAttached *atm = GNUNET_new (struct
CommandBarrierAttached);
size_t msg_length = sizeof(struct CommandBarrierAttached);
size_t name_len;
name_len = strlen (barrier_name) + 1;
atm->header.type = htons (GNUNET_MESSAGE_TYPE_CMDS_HELPER_BARRIER_ATTACHED);
atm->header.size = htons ((uint16_t) msg_length);
atm->expected_reaches = expected_reaches;
atm->node_number = global_node_number;
memcpy (&atm[1], barrier_name, name_len);
write_message ((struct GNUNET_MessageHeader *) atm, msg_length);
GNUNET_free (atm);
}
unsigned int
GNUNET_TESTING_barrier_crossable (struct GNUNET_TESTING_Barrier *barrier)
{
unsigned int expected_reaches = barrier->expected_reaches;
unsigned int reached = barrier->reached;
double percentage_to_be_reached = barrier->percentage_to_be_reached;
unsigned int number_to_be_reached = barrier->number_to_be_reached;
double percentage_reached = (double) reached / expected_reaches * 100;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"%u %f %f %u %u\n",
expected_reaches,
percentage_to_be_reached,
percentage_reached,
number_to_be_reached,
reached);
if (((0 < percentage_to_be_reached) &&
(percentage_reached >= percentage_to_be_reached)) ||
((0 < number_to_be_reached) && (reached >= number_to_be_reached)))
{
return GNUNET_YES;
}
else
{
return GNUNET_NO;
}
}
/**
* Offer internal data from a "barrier" CMD, to other commands.
*
* @param cls closure.
* @param[out] ret result.
* @param trait name of the trait.
* @param index index number of the object to offer.
* @return #GNUNET_OK on success.
*/
static enum GNUNET_GenericReturnValue
barrier_traits (void *cls,
const void **ret,
const char *trait,
unsigned int index)
{
struct GNUNET_TESTING_Trait traits[] = {
GNUNET_TESTING_trait_end ()
};
/* Always return current command. */
return GNUNET_TESTING_get_trait (traits,
ret,
trait,
index);
}
/**
* Cleanup the state from a "barrier" CMD, and possibly
* cancel a pending operation thereof.
*
* @param cls closure.
*/
static void
barrier_cleanup (void *cls)
{
struct BarrierState *brs = cls;
GNUNET_free (brs);
}
/**
* Run the command.
*
* @param cls closure.
* @param is the interpreter state.
*/
static void
barrier_run (void *cls,
struct GNUNET_TESTING_Interpreter *is)
{
struct BarrierState *brs = cls;
TST_interpreter_add_barrier (is, brs->barrier);
}
struct GNUNET_TESTING_NetjailNode *
GNUNET_TESTING_barrier_get_node (struct GNUNET_TESTING_Barrier *barrier,
unsigned int node_number)
{
struct GNUNET_HashCode hc;
struct GNUNET_ShortHashCode key;
GNUNET_CRYPTO_hash (&(node_number), sizeof(node_number), &hc);
memcpy (&key,
&hc,
sizeof (key));
return GNUNET_CONTAINER_multishortmap_get (barrier->nodes, &key);
}
struct GNUNET_TESTING_Command
GNUNET_TESTING_cmd_barrier_create (const char *label,
double percentage_to_be_reached,
unsigned int number_to_be_reached)
{
struct GNUNET_TESTING_Barrier *barrier;
struct BarrierState *bs;
bs = GNUNET_new (struct BarrierState);
bs->label = label;
barrier = GNUNET_new (struct GNUNET_TESTING_Barrier);
barrier->name = label;
barrier->percentage_to_be_reached = percentage_to_be_reached;
barrier->number_to_be_reached = number_to_be_reached;
GNUNET_assert ((0 < percentage_to_be_reached && 0 == number_to_be_reached) ||
(0 == percentage_to_be_reached && 0 < number_to_be_reached));
bs->barrier = barrier;
return GNUNET_TESTING_command_new (bs, label,
&barrier_run,
&barrier_cleanup,
&barrier_traits,
NULL);
}
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