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path: root/src/testing/test_testing_reconnect.c
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/*
     This file is part of GNUnet.
     (C) 2010 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 testing/test_testing_reconnect.c
 * @brief testcase for functions to connect two peers in testing.c
 */
#include "platform.h"
#include "gnunet_testing_lib.h"

#define VERBOSE GNUNET_YES

/**
 * How long until we give up on connecting the peers?
 */
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)

#define CONNECT_ATTEMPTS 3

static int ok;

static struct GNUNET_TESTING_Daemon *d1;

static struct GNUNET_TESTING_Daemon *d2;

static struct GNUNET_CONFIGURATION_Handle *c1;

static struct GNUNET_CONFIGURATION_Handle *c2;

static struct GNUNET_TESTING_ConnectContext *cc;

/**
 * How many start-connect-stop iterations should we do?
 */
#define NUM_PHASES 2

static int phase;

/**
 * Run the next phase of starting daemons, connecting them and
 * stopping them again.
 */
static void
run_phase (void);

static void
end2_cb (void *cls, const char *emsg)
{

  if (emsg != NULL)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Ending with error: %s\n", emsg);
    ok = 1;
  }
  else
  {
    if (phase < NUM_PHASES)
    {
      fprintf (stderr, ".");
      run_phase ();
      return;
    }
    fprintf (stderr, ".\n");
#if VERBOSE
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Both daemons terminated, will now exit.\n");
#endif
    ok = 0;
  }
}

static void
end1_cb (void *cls, const char *emsg)
{
  if (emsg != NULL)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Stopping daemon 1 gave: %s\n",
                emsg);
    ok = 1;
  }
  else
  {
    ok = 0;
  }
  if (d2 != NULL)
  {
    GNUNET_TESTING_daemon_stop (d2, TIMEOUT, &end2_cb, NULL,
                                (phase == NUM_PHASES) ? GNUNET_YES : GNUNET_NO,
                                GNUNET_NO);
    d2 = NULL;
  }
}

static void
finish_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
  GNUNET_TESTING_daemon_stop (d1, TIMEOUT, &end1_cb, NULL,
                              (phase == NUM_PHASES) ? GNUNET_YES : GNUNET_NO,
                              GNUNET_NO);
  d1 = NULL;
}


static void
my_connect_complete (void *cls, const struct GNUNET_PeerIdentity *first,
                     const struct GNUNET_PeerIdentity *second,
                     unsigned int distance,
                     const struct GNUNET_CONFIGURATION_Handle *first_cfg,
                     const struct GNUNET_CONFIGURATION_Handle *second_cfg,
                     struct GNUNET_TESTING_Daemon *first_daemon,
                     struct GNUNET_TESTING_Daemon *second_daemon,
                     const char *emsg)
{
  cc = NULL;
#if VERBOSE
  fprintf (stderr, "Peer %s ", GNUNET_i2s (first));
  fprintf (stderr, "connected to %s\n", GNUNET_i2s (second));
#endif
  GNUNET_SCHEDULER_add_now (&finish_testing, NULL);
}




static void
my_cb2 (void *cls, const struct GNUNET_PeerIdentity *id,
        const struct GNUNET_CONFIGURATION_Handle *cfg,
        struct GNUNET_TESTING_Daemon *d, const char *emsg)
{
  if (emsg != NULL)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Starting daemon 2 gave: %s\n",
                emsg);
    GNUNET_assert (0);
    return;
  }
  GNUNET_assert (id != NULL);
#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Daemon `%s' started.\n",
              GNUNET_i2s (id));
#endif
  cc = GNUNET_TESTING_daemons_connect (d1, d2, TIMEOUT, CONNECT_ATTEMPTS,
                                       GNUNET_YES, &my_connect_complete, NULL);
}


static void
my_cb1 (void *cls, const struct GNUNET_PeerIdentity *id,
        const struct GNUNET_CONFIGURATION_Handle *cfg,
        struct GNUNET_TESTING_Daemon *d, const char *emsg)
{
  if (emsg != NULL)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Starting daemon 1 gave: %s\n",
                emsg);
    GNUNET_assert (0);
    return;
  }
  GNUNET_assert (id != NULL);
#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Daemon `%s' started.\n",
              GNUNET_i2s (id));
#endif
  d2 = GNUNET_TESTING_daemon_start (c2, TIMEOUT, GNUNET_NO, NULL, NULL, 0, NULL,
                                    NULL, NULL, &my_cb2, NULL);
  GNUNET_assert (d2 != NULL);
}


static void
run (void *cls, char *const *args, const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  ok = 1;
#if VERBOSE
  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemon.\n");
#endif
  c1 = GNUNET_CONFIGURATION_create ();
  GNUNET_assert (GNUNET_OK ==
                 GNUNET_CONFIGURATION_load (c1,
                                            "test_testing_connect_peer1.conf"));
  c2 = GNUNET_CONFIGURATION_create ();
  GNUNET_assert (GNUNET_OK ==
                 GNUNET_CONFIGURATION_load (c2,
                                            "test_testing_connect_peer2.conf"));
  run_phase ();
}

static void
run_phase ()
{
  phase++;
  d1 = GNUNET_TESTING_daemon_start (c1, TIMEOUT, GNUNET_NO, NULL, NULL, 0, NULL,
                                    NULL, NULL, &my_cb1, NULL);
  GNUNET_assert (d1 != NULL);
}

static int
check ()
{
  char *const argv[] = { "test-testing-reconnect",
    "-c",
    "test_testing_data.conf",
#if VERBOSE
    "-L", "DEBUG",
#endif
    NULL
  };
  struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_OPTION_END
  };
  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
                      "test-testing-reconnect", "nohelp", options, &run, &ok);
  return ok;
}

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

  GNUNET_log_setup ("test-testing-reconnect",
#if VERBOSE
                    "DEBUG",
#else
                    "WARNING",
#endif
                    NULL);
  ret = check ();
  return ret;
}

/* end of test_testing_reconnect.c */