src/testbed/test_testbed_api_topology.c

   1 /*
   2   This file is part of GNUnet
   3   (C) 2008--2013 Christian Grothoff (and other contributing authors)
   4
   5   GNUnet is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published
   7   by the Free Software Foundation; either version 3, or (at your
   8   option) any later version.
   9
  10   GNUnet is distributed in the hope that it will be useful, but
  11   WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with GNUnet; see the file COPYING.  If not, write to the
  17   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18   Boston, MA 02111-1307, USA.
  19 */
  20
  21 /**
  22  * @file src/testbed/test_testbed_api_topology.c
  23  * @brief testing cases for testing high level testbed api helper functions
  24  * @author Sree Harsha Totakura <sreeharsha@totakura.in>
  25  */
  26
  27 #include "platform.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_testbed_service.h"
  30
  31 /**
  32  * Number of peers we want to start
  33  */
  34 #define NUM_PEERS 10
  35
  36 /**
  37  * Array of peers
  38  */
  39 static struct GNUNET_TESTBED_Peer **peers;
  40
  41 /**
  42  * Operation handle
  43  */
  44 static struct GNUNET_TESTBED_Operation *op;
  45
  46 /**
  47  * Shutdown task
  48  */
  49 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
  50
  51 /**
  52  * Testing result
  53  */
  54 static int result;
  55
  56 /**
  57  * Counter for counting overlay connections
  58  */
  59 static unsigned int overlay_connects;
  60
  61
  62 /**
  63  * Shutdown nicely
  64  *
  65  * @param cls NULL
  66  * @param tc the task context
  67  */
  68 static void
  69 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  70 {
  71   shutdown_task = GNUNET_SCHEDULER_NO_TASK;
  72   if (NULL != op)
  73   {
  74     GNUNET_TESTBED_operation_done (op);
  75     op = NULL;
  76   }
  77   GNUNET_SCHEDULER_shutdown ();
  78 }
  79
  80 /**
  81  * Controller event callback
  82  *
  83  * @param cls NULL
  84  * @param event the controller event
  85  */
  86 static void
  87 controller_event_cb (void *cls,
  88                      const struct GNUNET_TESTBED_EventInformation *event)
  89 {
  90   switch (event->type)
  91   {
  92   case GNUNET_TESTBED_ET_CONNECT:
  93     overlay_connects++;
  94     if ((NUM_PEERS) == overlay_connects)
  95     {
  96       result = GNUNET_OK;
  97       GNUNET_SCHEDULER_cancel (shutdown_task);
  98       shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
  99     }
 100     break;
 101   case GNUNET_TESTBED_ET_OPERATION_FINISHED:
 102     GNUNET_assert (NULL != event->details.operation_finished.emsg);
 103     break;
 104   default:
 105     GNUNET_break (0);
 106     if ((GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type) &&
 107         (NULL != event->details.operation_finished.emsg))
 108       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 109                   "An operation failed with error: %s\n",
 110                   event->details.operation_finished.emsg);
 111     result = GNUNET_SYSERR;
 112     GNUNET_SCHEDULER_cancel (shutdown_task);
 113     shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
 114   }
 115 }
 116
 117
 118 /**
 119  * Signature of a main function for a testcase.
 120  *
 121  * @param cls closure
 122  * @param h the run handle
 123  * @param num_peers number of peers in 'peers'
 124  * @param peers_ handle to peers run in the testbed
 125  * @param links_succeeded the number of overlay link connection attempts that
 126  *          succeeded
 127  * @param links_failed the number of overlay link connection attempts that
 128  *          failed
 129  */
 130 static void
 131 test_master (void *cls,
 132              struct GNUNET_TESTBED_RunHandle *h,
 133              unsigned int num_peers,
 134              struct GNUNET_TESTBED_Peer **peers_,
 135              unsigned int links_succeeded,
 136              unsigned int links_failed)
 137 {
 138   unsigned int peer;
 139
 140   GNUNET_assert (NULL == cls);
 141   if (NULL == peers_)
 142   {
 143     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test due to timeout\n");
 144     return;
 145   }
 146   GNUNET_assert (NUM_PEERS == num_peers);
 147   for (peer = 0; peer < num_peers; peer++)
 148     GNUNET_assert (NULL != peers_[peer]);
 149   peers = peers_;
 150   overlay_connects = 0;
 151   op = GNUNET_TESTBED_overlay_configure_topology (NULL, NUM_PEERS, peers, NULL,
 152                                                   NULL,
 153                                                   NULL,
 154                                                   GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
 155                                                   NUM_PEERS,
 156                                                   GNUNET_TESTBED_TOPOLOGY_OPTION_END);
 157   GNUNET_assert (NULL != op);
 158   shutdown_task =
 159       GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
 160                                     (GNUNET_TIME_UNIT_SECONDS, 300),
 161                                     do_shutdown, NULL);
 162 }
 163
 164
 165 /**
 166  * Main function
 167  */
 168 int
 169 main (int argc, char **argv)
 170 {
 171   uint64_t event_mask;
 172
 173   result = GNUNET_SYSERR;
 174   event_mask = 0;
 175   event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
 176   event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
 177   (void) GNUNET_TESTBED_test_run ("test_testbed_api_test",
 178                                   "test_testbed_api.conf", NUM_PEERS,
 179                                   event_mask, &controller_event_cb, NULL,
 180                                   &test_master, NULL);
 181   if (GNUNET_OK != result)
 182     return 1;
 183   return 0;
 184 }
 185
 186 /* end of test_testbed_api_topology.c */