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 it
   6    under the terms of the GNU Affero General Public License as published
   7    by the Free Software Foundation, either version 3 of the License,
   8    or (at your 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    Affero General Public License for more details.
  14
  15    You should have received a copy of the GNU Affero General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18      SPDX-License-Identifier: AGPL3.0-or-later
  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 /**
  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
 102   case GNUNET_TESTBED_ET_OPERATION_FINISHED:
 103     GNUNET_assert (NULL != event->details.operation_finished.emsg);
 104     break;
 105
 106   default:
 107     GNUNET_break (0);
 108     if ((GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type) &&
 109         (NULL != event->details.operation_finished.emsg))
 110       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 111                   "An operation failed with error: %s\n",
 112                   event->details.operation_finished.emsg);
 113     result = GNUNET_SYSERR;
 114     GNUNET_SCHEDULER_cancel (shutdown_task);
 115     shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
 116   }
 117 }
 118
 119
 120 /**
 121  * Signature of a main function for a testcase.
 122  *
 123  * @param cls closure
 124  * @param h the run handle
 125  * @param num_peers number of peers in 'peers'
 126  * @param peers_ handle to peers run in the testbed
 127  * @param links_succeeded the number of overlay link connection attempts that
 128  *          succeeded
 129  * @param links_failed the number of overlay link connection attempts that
 130  *          failed
 131  */
 132 static void
 133 test_master (void *cls,
 134              struct GNUNET_TESTBED_RunHandle *h,
 135              unsigned int num_peers,
 136              struct GNUNET_TESTBED_Peer **peers_,
 137              unsigned int links_succeeded,
 138              unsigned int links_failed)
 139 {
 140   unsigned int peer;
 141
 142   GNUNET_assert (NULL == cls);
 143   if (NULL == peers_)
 144   {
 145     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test due to timeout\n");
 146     return;
 147   }
 148   GNUNET_assert (NUM_PEERS == num_peers);
 149   for (peer = 0; peer < num_peers; peer++)
 150     GNUNET_assert (NULL != peers_[peer]);
 151   peers = peers_;
 152   overlay_connects = 0;
 153   op = GNUNET_TESTBED_overlay_configure_topology (NULL, NUM_PEERS, peers, NULL,
 154                                                   NULL,
 155                                                   NULL,
 156                                                   GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
 157                                                   NUM_PEERS,
 158                                                   GNUNET_TESTBED_TOPOLOGY_OPTION_END);
 159   GNUNET_assert (NULL != op);
 160   shutdown_task =
 161     GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
 162                                     (GNUNET_TIME_UNIT_SECONDS, 300),
 163                                   do_shutdown, NULL);
 164 }
 165
 166
 167 /**
 168  * Main function
 169  */
 170 int
 171 main (int argc, char **argv)
 172 {
 173   uint64_t event_mask;
 174
 175   result = GNUNET_SYSERR;
 176   event_mask = 0;
 177   event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
 178   event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
 179   (void) GNUNET_TESTBED_test_run ("test_testbed_api_test",
 180                                   "test_testbed_api.conf", NUM_PEERS,
 181                                   event_mask, &controller_event_cb, NULL,
 182                                   &test_master, NULL);
 183   if (GNUNET_OK != result)
 184     return 1;
 185   return 0;
 186 }
 187
 188
 189 /* end of test_testbed_api_topology.c */