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/*
This file is part of GNUnet
(C) 2012 Christian Grothoff (and other contributing authors)
GNUnet 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.
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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file testbed/test_gnunet_helper_testbed.c
* @brief Testcase for testing gnunet-helper-testbed.c
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testbed_service.h"
#include <zlib.h>
#include "testbed_api.h"
#include "testbed_helper.h"
#include "testbed_api_hosts.h"
/**
* Generic logging shortcut
*/
#define LOG(kind,...) \
GNUNET_log (kind, __VA_ARGS__)
/**
* Handle to the helper process
*/
static struct GNUNET_HELPER_Handle *helper;
/**
* Message to helper
*/
static struct GNUNET_TESTBED_HelperInit *msg;
/**
* Message send handle
*/
static struct GNUNET_HELPER_SendHandle *shandle;
/**
* Abort task identifier
*/
static GNUNET_SCHEDULER_TaskIdentifier abort_task;
/**
* Shutdown task identifier
*/
static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
/**
* Configuratin handler
*/
static struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Global testing status
*/
static int result;
/**
* Shutdown nicely
*
* @param cls NULL
* @param tc the task context
*/
static void
do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (GNUNET_SCHEDULER_NO_TASK != abort_task)
GNUNET_SCHEDULER_cancel (abort_task);
GNUNET_HELPER_stop (helper);
GNUNET_free_non_null (msg);
if (NULL != cfg)
GNUNET_CONFIGURATION_destroy (cfg);
}
/**
* abort task to run on test timed out
*
* @param cls NULL
* @param tc the task context
*/
static void
do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
abort_task = GNUNET_SCHEDULER_NO_TASK;
LOG (GNUNET_ERROR_TYPE_WARNING, "Test timedout -- Aborting\n");
result = GNUNET_SYSERR;
if (NULL != shandle)
GNUNET_HELPER_send_cancel (shandle);
if (GNUNET_SCHEDULER_NO_TASK == shutdown_task)
shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
}
/**
* Continuation function.
*
* @param cls closure
* @param result GNUNET_OK on success,
* GNUNET_NO if helper process died
* GNUNET_SYSERR during GNUNET_HELPER_stop
*/
static void
cont_cb (void *cls, int result)
{
shandle = NULL;
LOG (GNUNET_ERROR_TYPE_DEBUG, "Message sent\n");
GNUNET_assert (GNUNET_OK == result);
}
/**
* Functions with this signature are called whenever a
* complete message is received by the tokenizer.
*
* Do not call GNUNET_SERVER_mst_destroy in callback
*
* @param cls closure
* @param client identification of the client
* @param message the actual message
*
* @return GNUNET_OK on success, GNUNET_SYSERR to stop further processing
*/
static int
mst_cb (void *cls, void *client, const struct GNUNET_MessageHeader *message)
{
const struct GNUNET_TESTBED_HelperReply *msg;
char *config;
uLongf config_size;
uLongf xconfig_size;
msg = (const struct GNUNET_TESTBED_HelperReply *) message;
config_size = 0;
xconfig_size = 0;
GNUNET_assert (sizeof (struct GNUNET_TESTBED_HelperReply) <
ntohs (msg->header.size));
GNUNET_assert (GNUNET_MESSAGE_TYPE_TESTBED_HELPER_REPLY ==
ntohs (msg->header.type));
config_size = (uLongf) ntohs (msg->config_size);
xconfig_size =
(uLongf) (ntohs (msg->header.size) -
sizeof (struct GNUNET_TESTBED_HelperReply));
config = GNUNET_malloc (config_size);
GNUNET_assert (Z_OK ==
uncompress ((Bytef *) config, &config_size,
(const Bytef *) &msg[1], xconfig_size));
GNUNET_free (config);
if (GNUNET_SCHEDULER_NO_TASK == shutdown_task)
shutdown_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_SECONDS, 1),
&do_shutdown, NULL);
return GNUNET_OK;
}
/**
* Callback that will be called when the helper process dies. This is not called
* when the helper process is stoped using GNUNET_HELPER_stop()
*
* @param cls the closure from GNUNET_HELPER_start()
*/
static void
exp_cb (void *cls)
{
helper = NULL;
result = GNUNET_SYSERR;
}
/**
* Main function that will be run.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param cfg configuration
*/
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg2)
{
static char *const binary_argv[] = {
"gnunet-helper-testbed",
NULL
};
const char *controller_name = "127.0.0.1";
helper =
GNUNET_HELPER_start (GNUNET_YES, "gnunet-helper-testbed", binary_argv,
&mst_cb, &exp_cb, NULL);
GNUNET_assert (NULL != helper);
cfg = GNUNET_CONFIGURATION_dup (cfg2);
msg = GNUNET_TESTBED_create_helper_init_msg_ (controller_name, NULL, cfg);
shandle =
GNUNET_HELPER_send (helper, &msg->header, GNUNET_NO, &cont_cb, NULL);
GNUNET_assert (NULL != shandle);
abort_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MINUTES, 1), &do_abort,
NULL);
}
/**
* Main function
*
* @param argc the number of command line arguments
* @param argv command line arg array
* @return return code
*/
int
main (int argc, char **argv)
{
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_OPTION_END
};
result = GNUNET_OK;
if (GNUNET_OK !=
GNUNET_PROGRAM_run (argc, argv, "test_gnunet_helper_testbed",
"Testcase for testing gnunet-helper-testbed.c",
options, &run, NULL))
return 1;
return (GNUNET_OK == result) ? 0 : 1;
}
/* end of test_gnunet_helper_testbed.c */
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