/*
     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_dht_service.h"
#include "gnunet_mesh_service_new.h"

static struct GNUNET_MESH_MessageHandler        handlers[] = {{NULL, 0, 0}};
static struct GNUNET_OS_Process                 *arm_pid;
static struct GNUNET_MESH_Handle                *mesh;
static int                                      result;
GNUNET_SCHEDULER_TaskIdentifier                 abort_task;
GNUNET_SCHEDULER_TaskIdentifier                 test_task;

static void
do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
    if (0 != abort_task) {
        GNUNET_SCHEDULER_cancel(abort_task);
    }
    if (NULL != mesh) {
        GNUNET_MESH_disconnect (mesh);
    }
    if (0 != GNUNET_OS_process_kill (arm_pid, SIGTERM)) {
        GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
    }
    GNUNET_assert (GNUNET_OK == GNUNET_OS_process_wait (arm_pid));
    GNUNET_OS_process_close (arm_pid);
}

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

static void
test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
    struct GNUNET_CONFIGURATION_Handle  *cfg = cls;
    GNUNET_MESH_ApplicationType         app;

    test_task = (GNUNET_SCHEDULER_TaskIdentifier) 0;
    app = (GNUNET_MESH_ApplicationType) 0;
    mesh = GNUNET_MESH_connect(cfg, NULL, NULL, handlers, &app);
    if(NULL == mesh) {
        GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Couldn't connect to mesh :(\n");
        return;
    } else {
        GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "YAY! CONNECTED TO MESH :D\n");
    }

    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
                                    GNUNET_TIME_UNIT_SECONDS, 1),
                                    &do_shutdown,
                                    NULL);
}


static void
run (void *cls,
     char *const *args,
     const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
{
    arm_pid = GNUNET_OS_start_process (NULL, NULL,
                                       "gnunet-service-arm",
                                       "gnunet-service-arm",
                                       "-L", "DEBUG",
                                       "-c", "test_mesh.conf",
                                       NULL);

    abort_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
                                                GNUNET_TIME_UNIT_SECONDS, 5),
                                                &do_abort,
                                                NULL);
    test_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
                                                GNUNET_TIME_UNIT_SECONDS, 1),
                                                &test,
                                                (void *)cfg);

}


int
main (int argc, char *argv[])
{
    int ret;
    char *const argv2[] = {"test-mesh-api",
        "-c", "test_mesh.conf",
        "-L", "DEBUG",
        NULL
    };
    struct GNUNET_GETOPT_CommandLineOption options[] = {
        GNUNET_GETOPT_OPTION_END
    };
      GNUNET_log_setup ("test-dht-api","DEBUG", NULL);
    ret = GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1,
                        argv2, "test-mesh-api", "nohelp",
                        options, &run, NULL);

    if ( GNUNET_OK != ret ) {
        GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
                   "test-mesh-api': run failed with error code %d\n", ret);
        return 1;
    }
    if ( GNUNET_SYSERR == result ) {
        GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
                   "test-mesh-api': test failed\n");
        return 1;
    }
    return 0;
}