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/*
This file is part of GNUnet.
(C) 2010, 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 2, 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 src/gnunet-setup-transport-tcp.c
* @brief support for TCP configuration
* @author Christian Grothoff
*/
#include "gnunet-setup.h"
#include <gnunet/gnunet_resolver_service.h>
#include <gnunet/gnunet_nat_lib.h>
/**
* How long do we wait for the NAT test to report success?
*/
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
/**
* Handle to the active NAT test.
*/
static struct GNUNET_NAT_Test *tst;
/**
* Task identifier for the timeout.
*/
static GNUNET_SCHEDULER_TaskIdentifier tsk;
/**
* Function called by NAT on success.
* Clean up and update GUI (with success).
*
* @param cls closure (unused)
* @param success currently always GNUNET_OK
*/
static void
result_callback (void *cls,
int success)
{
int *ok = cls;
*ok = success;
GNUNET_SCHEDULER_cancel (tsk);
tsk = GNUNET_SCHEDULER_NO_TASK;
GNUNET_NAT_test_stop (tst);
tst = NULL;
}
/**
* Function called if NAT failed to confirm success.
* Clean up and update GUI (with failure).
*
* @param cls closure (unused)
* @param tc scheduler callback
*/
static void
fail_timeout (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
GNUNET_assert (NULL != tst);
*ok = GNUNET_NO;
tsk = GNUNET_SCHEDULER_NO_TASK;
GNUNET_NAT_test_stop (tst);
tst = NULL;
}
/**
* Main function for the NAT test.
*
* @param cls the 'int*' for the result
* @param tc scheduler context
*/
static void
test (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
int *ok = cls;
unsigned long long bnd_port;
unsigned long long adv_port;
GNUNET_assert (NULL != cfg);
GNUNET_RESOLVER_connect (cfg);
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (cfg,
"transport-tcp",
"PORT",
&bnd_port))
{
GNUNET_break (0);
return;
}
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (cfg,
"transport-tcp",
"ADVERTISED_PORT",
&adv_port))
adv_port = bnd_port;
tst = GNUNET_NAT_test_start (cfg,
GNUNET_YES,
(uint16_t) bnd_port,
(uint16_t) adv_port,
&result_callback,
ok);
if (NULL == tst)
{
*ok = GNUNET_SYSERR;
return;
}
tsk = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
&fail_timeout,
ok);
}
/**
* Function called whenever the user wants to test the
* TCP configuration.
*/
void
GNUNET_setup_transport_tcp_test_button_clicked_cb ()
{
GtkWidget *w;
int ok;
struct GNUNET_OS_Process *resolver;
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == tsk);
GNUNET_assert (NULL == tst);
w = GTK_WIDGET (GNUNET_SETUP_get_object ("GNUNET_setup_transport_tcp_test_success_image"));
gtk_widget_hide (w);
resolver = GNUNET_OS_start_process (NULL, NULL,
"gnunet-service-resolver",
"gnunet-service-resolver", NULL);
ok = GNUNET_NO;
GNUNET_SCHEDULER_run (&test, &ok);
if (NULL != resolver)
{
GNUNET_break (0 == GNUNET_OS_process_kill (resolver, SIGTERM));
GNUNET_OS_process_close (resolver);
}
if (GNUNET_YES != ok)
{
w = GTK_WIDGET (GNUNET_SETUP_get_object ("GNUNET_setup_transport_tcp_test_fail_image"));
gtk_widget_show (w);
w = GTK_WIDGET (GNUNET_SETUP_get_object ("GNUNET_setup_transport_tcp_test_success_image"));
gtk_widget_hide (w);
}
else
{
w = GTK_WIDGET (GNUNET_SETUP_get_object ("GNUNET_setup_transport_tcp_test_fail_image"));
gtk_widget_hide (w);
w = GTK_WIDGET (GNUNET_SETUP_get_object ("GNUNET_setup_transport_tcp_test_success_image"));
gtk_widget_show (w);
}
}
/* end of gnunet-setup-transport-tcp.c */
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