/*
     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 mesh/test_mesh_api.c
 * @brief test mesh api: dummy test of callbacks
 * @author Bartlomiej Polot
 */
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testing_lib.h"
#include "gnunet_dht_service.h"
#include "gnunet_mesh_service.h"

static struct GNUNET_MESH_Handle *mesh;

static struct GNUNET_MESH_Tunnel *t;

static int result;

static GNUNET_SCHEDULER_TaskIdentifier abort_task;


/**
 * Function is called whenever a message is received.
 *
 * @param cls closure (set from GNUNET_MESH_connect)
 * @param tunnel connection to the other end
 * @param tunnel_ctx place to store local state associated with the tunnel
 * @param sender who sent the message
 * @param message the actual message
 * @param atsi performance data for the connection
 * @return GNUNET_OK to keep the connection open,
 *         GNUNET_SYSERR to close it (signal serious error)
 */
static int
callback (void *cls, struct GNUNET_MESH_Tunnel *tunnel, void **tunnel_ctx,
          const struct GNUNET_PeerIdentity *sender,
          const struct GNUNET_MessageHeader *message,
          const struct GNUNET_ATS_Information *atsi)
{
  return GNUNET_OK;
}


static struct GNUNET_MESH_MessageHandler handlers[] = { 
  { &callback, 1, 0 },
  { NULL, 0, 0 }
};


static void
do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  if (NULL != t)
  {
    GNUNET_MESH_tunnel_destroy (t);
  }
  if (0 != abort_task)
  {
    GNUNET_SCHEDULER_cancel (abort_task);
  }
  if (NULL != mesh)
  {
    GNUNET_MESH_disconnect (mesh);
  }
}


static void
do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  result = GNUNET_SYSERR;
  abort_task = 0;
  do_shutdown (cls, tc);
}


static void
run (void *cls, 
     const struct GNUNET_CONFIGURATION_Handle *cfg,
     struct GNUNET_TESTING_Peer *peer)
{
  static const GNUNET_MESH_ApplicationType app[] =
    { 1, 2, 3, 4, 5, 6, 7, 8, 0 };

  mesh = GNUNET_MESH_connect (cfg, NULL, NULL, NULL, handlers, app);
  if (NULL == mesh)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "test: Couldn't connect to mesh :(\n");
    result = GNUNET_SYSERR;
    return;
  }
  else
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "test: YAY! CONNECTED TO MESH :D\n");
  }
  t = GNUNET_MESH_tunnel_create (mesh, NULL, NULL, NULL, NULL);
  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
                                (GNUNET_TIME_UNIT_SECONDS, 5), &do_shutdown,
                                NULL);
  abort_task =
      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
                                    (GNUNET_TIME_UNIT_SECONDS, 20), &do_abort,
                                    NULL);
}


int
main (int argc, char *argv[])
{
  result = GNUNET_OK;
  if (0 != GNUNET_TESTING_peer_run ("test-mesh-api",
				    "test_mesh.conf",
				    &run, NULL))
    return 1;
  return (result == GNUNET_OK) ? 0 : 1;
}

/* end of test_mesh_api.c */