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  * 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
 101   case GNUNET_TESTBED_ET_OPERATION_FINISHED:
 102     GNUNET_assert (NULL != event->details.operation_finished.emsg);
 103     break;
 104
 105   default:
 106     GNUNET_break (0);
 107     if ((GNUNET_TESTBED_ET_OPERATION_FINISHED == event->type) &&
 108         (NULL != event->details.operation_finished.emsg))
 109       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 110                   "An operation failed with error: %s\n",
 111                   event->details.operation_finished.emsg);
 112     result = GNUNET_SYSERR;
 113     GNUNET_SCHEDULER_cancel (shutdown_task);
 114     shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
 115   }
 116 }
 117
 118
 119 /**
 120  * Signature of a main function for a testcase.
 121  *
 122  * @param cls closure
 123  * @param h the run handle
 124  * @param num_peers number of peers in 'peers'
 125  * @param peers_ handle to peers run in the testbed
 126  * @param links_succeeded the number of overlay link connection attempts that
 127  *          succeeded
 128  * @param links_failed the number of overlay link connection attempts that
 129  *          failed
 130  */
 131 static void
 132 test_master (void *cls,
 133              struct GNUNET_TESTBED_RunHandle *h,
 134              unsigned int num_peers,
 135              struct GNUNET_TESTBED_Peer **peers_,
 136              unsigned int links_succeeded,
 137              unsigned int links_failed)
 138 {
 139   unsigned int peer;
 140
 141   GNUNET_assert (NULL == cls);
 142   if (NULL == peers_)
 143   {
 144     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failing test due to timeout\n");
 145     return;
 146   }
 147   GNUNET_assert (NUM_PEERS == num_peers);
 148   for (peer = 0; peer < num_peers; peer++)
 149     GNUNET_assert (NULL != peers_[peer]);
 150   peers = peers_;
 151   overlay_connects = 0;
 152   op = GNUNET_TESTBED_overlay_configure_topology (NULL, NUM_PEERS, peers, NULL,
 153                                                   NULL,
 154                                                   NULL,
 155                                                   GNUNET_TESTBED_TOPOLOGY_ERDOS_RENYI,
 156                                                   NUM_PEERS,
 157                                                   GNUNET_TESTBED_TOPOLOGY_OPTION_END);
 158   GNUNET_assert (NULL != op);
 159   shutdown_task =
 160     GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
 161                                     (GNUNET_TIME_UNIT_SECONDS, 300),
 162                                   do_shutdown, NULL);
 163 }
 164
 165
 166 /**
 167  * Main function
 168  */
 169 int
 170 main (int argc, char **argv)
 171 {
 172   uint64_t event_mask;
 173
 174   result = GNUNET_SYSERR;
 175   event_mask = 0;
 176   event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
 177   event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
 178   (void) GNUNET_TESTBED_test_run ("test_testbed_api_test",
 179                                   "test_testbed_api.conf", NUM_PEERS,
 180                                   event_mask, &controller_event_cb, NULL,
 181                                   &test_master, NULL);
 182   if (GNUNET_OK != result)
 183     return 1;
 184   return 0;
 185 }
 186
 187 /* end of test_testbed_api_topology.c */