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/*
     This file is part of GNUnet.
     (C) 2009 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 util/test_connection_timeout.c
 * @brief tests for connection.c
 */
#include "platform.h"
#include "gnunet_common.h"
#include "gnunet_connection_lib.h"
#include "gnunet_scheduler_lib.h"
#include "gnunet_time_lib.h"

#define PORT 12435

static struct GNUNET_CONNECTION_Handle *csock;

static struct GNUNET_CONNECTION_Handle *lsock;

static struct GNUNET_NETWORK_Handle *ls;

static struct GNUNET_CONFIGURATION_Handle *cfg;


/**
 * Create and initialize a listen socket for the server.
 *
 * @return NULL on error, otherwise the listen socket
 */
static struct GNUNET_NETWORK_Handle *
open_listen_socket ()
{
  const static int on = 1;
  struct sockaddr_in sa;
  struct GNUNET_NETWORK_Handle *desc;

  memset (&sa, 0, sizeof (sa));
#if HAVE_SOCKADDR_IN_SIN_LEN
  sa.sin_len = sizeof (sa);
#endif
  sa.sin_family = AF_INET;
  sa.sin_port = htons (PORT);
  desc = GNUNET_NETWORK_socket_create (AF_INET, SOCK_STREAM, 0);
  GNUNET_assert (desc != NULL);
  if (GNUNET_NETWORK_socket_setsockopt
      (desc, SOL_SOCKET, SO_REUSEADDR, &on, sizeof (on)) != GNUNET_OK)
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK, "setsockopt");
  GNUNET_assert (GNUNET_OK ==
		 GNUNET_NETWORK_socket_bind (desc, (const struct sockaddr *) &sa,
					     sizeof (sa)));
  GNUNET_NETWORK_socket_listen (desc, 5);
  return desc;
}


static size_t
send_kilo (void *cls, size_t size, void *buf)
{
  int *ok = cls;

  if (size == 0)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got the desired timeout!\n");
    GNUNET_assert (buf == NULL);
    *ok = 0;
    GNUNET_CONNECTION_destroy (lsock);
    GNUNET_CONNECTION_destroy (csock);
    return 0;
  }
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending kilo to fill buffer.\n");
  GNUNET_assert (size >= 1024);
  memset (buf, 42, 1024);

  GNUNET_assert (NULL !=
                 GNUNET_CONNECTION_notify_transmit_ready (csock, 1024,
                                                          GNUNET_TIME_UNIT_SECONDS,
                                                          &send_kilo, cls));
  return 1024;
}


static void
task_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{

  ls = open_listen_socket ();
  lsock = GNUNET_CONNECTION_create_from_existing (ls);
  GNUNET_assert (lsock != NULL);
  csock = GNUNET_CONNECTION_create_from_connect (cfg, "localhost", PORT);
  GNUNET_assert (csock != NULL);
  GNUNET_assert (NULL !=
                 GNUNET_CONNECTION_notify_transmit_ready (csock, 1024,
                                                          GNUNET_TIME_UNIT_SECONDS,
                                                          &send_kilo, cls));
}


int
main (int argc, char *argv[])
{
  int ok;

  GNUNET_log_setup ("test_connection_timeout",
                    "WARNING",
                    NULL);

  ok = 1;
  cfg = GNUNET_CONFIGURATION_create ();
  GNUNET_CONFIGURATION_set_value_string (cfg, "resolver", "HOSTNAME",
                                         "localhost");
  GNUNET_SCHEDULER_run (&task_timeout, &ok);
  GNUNET_CONFIGURATION_destroy (cfg);
  return ok;
}

/* end of test_connection_timeout.c */