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/*
This file is part of GNUnet.
(C) 2011 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 nse/test_nse_api.c
* @brief testcase for nse_api.c
*/
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_getopt_lib.h"
#include "gnunet_os_lib.h"
#include "gnunet_program_lib.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_nse_service.h"
#define DEBUG_NSE GNUNET_YES
#define START_ARM GNUNET_YES
static struct GNUNET_NSE_Handle *h;
static GNUNET_SCHEDULER_TaskIdentifier die_task;
struct PeerContext
{
struct GNUNET_CONFIGURATION_Handle *cfg;
#if START_ARM
struct GNUNET_OS_Process *arm_proc;
#endif
};
static struct PeerContext p1;
static void
stop_arm (struct PeerContext *p)
{
#if START_ARM
if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
GNUNET_OS_process_wait (p->arm_proc);
GNUNET_OS_process_close (p->arm_proc);
p->arm_proc = NULL;
#endif
GNUNET_CONFIGURATION_destroy (p->cfg);
}
/**
* Signature of the main function of a task.
*
* @param cls closure
* @param tc context information (why was this task triggered now)
*/
static void
end_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (h != NULL)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from NSE service.\n");
GNUNET_NSE_disconnect (h);
}
}
/**
* Callback to call when network size estimate is updated.
*
* @param cls unused
* @param timestamp time when the estimate was received from the server (or created by the server)
* @param estimate the value of the current network size estimate
* @param std_dev standard deviation (rounded down to nearest integer)
* of the size estimation values seen
*
*/
static void
check_nse_message (void *cls, struct GNUNET_TIME_Absolute timestamp,
double estimate, double std_dev)
{
int *ok = cls;
FPRINTF (stderr,
"Received NSE message, estimate %f, standard deviation %f.\n",
estimate, std_dev);
/* Fantastic check below. Expect NaN, the only thing not equal to itself. */
(*ok) = 0;
if (die_task != GNUNET_SCHEDULER_NO_TASK)
GNUNET_SCHEDULER_cancel (die_task);
die_task = GNUNET_SCHEDULER_add_now (&end_test, NULL);
}
static void
setup_peer (struct PeerContext *p, const char *cfgname)
{
p->cfg = GNUNET_CONFIGURATION_create ();
#if START_ARM
p->arm_proc =
GNUNET_OS_start_process (GNUNET_YES, NULL, NULL, "gnunet-service-arm",
"gnunet-service-arm",
#if VERBOSE_ARM
"-L", "DEBUG",
#endif
"-c", cfgname, NULL);
#endif
GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
}
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
die_task =
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
(GNUNET_TIME_UNIT_MINUTES, 1), &end_test,
NULL);
setup_peer (&p1, cfgfile);
h = GNUNET_NSE_connect (cfg, &check_nse_message, cls);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting to NSE service.\n");
GNUNET_assert (h != NULL);
}
static int
check ()
{
int ok = 1;
char *const argv[] = { "test-nse-api",
"-c",
"test_nse.conf",
#if DEBUG_NSE
"-L", "DEBUG",
#else
"-L", "WARNING",
#endif
NULL
};
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_OPTION_END
};
GNUNET_PROGRAM_run (5, argv, "test-nse-api", "nohelp", options, &run, &ok);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping arm.\n");
stop_arm (&p1);
if (0 != ok)
FPRINTF (stderr, "%s", "No information received from NSE service!\n");
return ok;
}
int
main (int argc, char *argv[])
{
int ret;
GNUNET_log_setup ("test_nse_api",
#if DEBUG_NSE
"DEBUG",
#else
"WARNING",
#endif
NULL);
ret = check ();
return ret;
}
/* end of test_nse_api.c */
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