1 files changed, 181 insertions, 0 deletions

diff --git a/src/setup/gnunet-setup-transport-udp.c b/src/setup/gnunet-setup-transport-udp.c
new file mode 100644
index 00000000..28aec749
--- /dev/null
+++ b/src/setup/gnunet-setup-transport-udp.c
@@ -0,0 +1,181 @@
+/*
+     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-udp.c
+ * @brief support for UDP 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;
+
+  *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-udp",
+                                             "PORT",
+                                             &bnd_port))
+    {
+      GNUNET_break (0);
+      return;
+    }
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_number (cfg, 
+                                             "transport-udp",
+                                             "ADVERTISED_PORT",
+                                             &adv_port))
+    adv_port = bnd_port;
+  tst = GNUNET_NAT_test_start (cfg,
+                               GNUNET_NO,
+                               (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
+ * UDP configuration.
+ */
+void
+GNUNET_setup_transport_udp_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 (gtk_builder_get_object (builder,
+                                          "GNUNET_setup_transport_udp_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 (gtk_builder_get_object (builder,
+                                              "GNUNET_setup_transport_udp_test_fail_image"));
+      gtk_widget_show (w);
+      w = GTK_WIDGET (gtk_builder_get_object (builder,
+                                              "GNUNET_setup_transport_udp_test_success_image"));
+      gtk_widget_hide (w);
+    }
+  else
+    {
+      w = GTK_WIDGET (gtk_builder_get_object (builder,
+                                              "GNUNET_setup_transport_udp_test_fail_image"));
+      gtk_widget_hide (w);
+      w = GTK_WIDGET (gtk_builder_get_object (builder,
+                                              "GNUNET_setup_transport_udp_test_success_image"));
+      gtk_widget_show (w);
+    }
+}
+
+
+/* end of gnunet-setup-transport-udp.c */