src/testbed/test_testbed_api_topology.c

   1 /*
   2   This file is part of GNUnet
   3   Copyright (C) 2008--2013 GNUnet e.V.
   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., 51 Franklin Street, Fifth Floor,
  18   Boston, MA 02110-1301, 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 struct GNUNET_SCHEDULER_Task * 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  */
  67 static void
  68 do_shutdown (void *cls)
  69 {
  70   shutdown_task = NULL;
  71   if (NULL != op)
  72   {
  73     GNUNET_TESTBED_operation_done (op);
  74     op = NULL;
  75   }
  76   GNUNET_SCHEDULER_shutdown ();
  77 }
  78
  79 /**
  80  * Controller event callback
  81  *
  82  * @param cls NULL
  83  * @param event the controller event
  84  */
  85 static void
  86 controller_event_cb (void *cls,
  87                      const struct GNUNET_TESTBED_EventInformation *event)
  88 {
  89   switch (event->type)
  90   {
  91   case GNUNET_TESTBED_ET_CONNECT:
  92     overlay_connects++;
  93     if ((NUM_PEERS) == overlay_connects)
  94     {
  95       result = GNUNET_OK;
  96       GNUNET_SCHEDULER_cancel (shutdown_task);
  97       shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
  98     }
  99     break;
 100   case GNUNET_TESTBED_ET_OPERATION_FINISHED:
 101     GNUNET_assert (NULL != event->details.operation_finished.emsg);
 102     break;
 103   default:
 104     GNUNET_break (0);
 105     if ((GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type) &&
 106         (NULL != event->details.operation_finished.emsg))
 107       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 108                   "An operation failed with error: %s\n",
 109                   event->details.operation_finished.emsg);
 110     result = GNUNET_SYSERR;
 111     GNUNET_SCHEDULER_cancel (shutdown_task);
 112     shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
 113   }
 114 }
 115
 116
 117 /**
 118  * Signature of a main function for a testcase.
 119  *
 120  * @param cls closure
 121  * @param h the run handle
 122  * @param num_peers number of peers in 'peers'
 123  * @param peers_ handle to peers run in the testbed
 124  * @param links_succeeded the number of overlay link connection attempts that
 125  *          succeeded
 126  * @param links_failed the number of overlay link connection attempts that
 127  *          failed
 128  */
 129 static void
 130 test_master (void *cls,
 131              struct GNUNET_TESTBED_RunHandle *h,
 132              unsigned int num_peers,
 133              struct GNUNET_TESTBED_Peer **peers_,
 134              unsigned int links_succeeded,
 135              unsigned int links_failed)
 136 {
 137   unsigned int peer;
 138
 139   GNUNET_assert (NULL == cls);
 140   if (NULL == peers_)
 141   {
 142     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test due to timeout\n");
 143     return;
 144   }
 145   GNUNET_assert (NUM_PEERS == num_peers);
 146   for (peer = 0; peer < num_peers; peer++)
 147     GNUNET_assert (NULL != peers_[peer]);
 148   peers = peers_;
 149   overlay_connects = 0;
 150   op = GNUNET_TESTBED_overlay_configure_topology (NULL, NUM_PEERS, peers, NULL,
 151                                                   NULL,
 152                                                   NULL,
 153                                                   GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
 154                                                   NUM_PEERS,
 155                                                   GNUNET_TESTBED_TOPOLOGY_OPTION_END);
 156   GNUNET_assert (NULL != op);
 157   shutdown_task =
 158       GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
 159                                     (GNUNET_TIME_UNIT_SECONDS, 300),
 160                                     do_shutdown, NULL);
 161 }
 162
 163
 164 /**
 165  * Main function
 166  */
 167 int
 168 main (int argc, char **argv)
 169 {
 170   uint64_t event_mask;
 171
 172   result = GNUNET_SYSERR;
 173   event_mask = 0;
 174   event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
 175   event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
 176   (void) GNUNET_TESTBED_test_run ("test_testbed_api_test",
 177                                   "test_testbed_api.conf", NUM_PEERS,
 178                                   event_mask, &controller_event_cb, NULL,
 179                                   &test_master, NULL);
 180   if (GNUNET_OK != result)
 181     return 1;
 182   return 0;
 183 }
 184
 185 /* end of test_testbed_api_topology.c */