src/topology/test_gnunet_daemon_topology.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2009 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 2, 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  * @file topology/test_gnunet_daemon_topology.c
  22  * @brief testcase for topology maintenance code
  23  */
  24 #include "platform.h"
  25 #include "gnunet_testing_lib.h"
  26
  27 #define VERBOSE GNUNET_NO
  28
  29 #define NUM_PEERS 2
  30
  31 /**
  32  * How long until we give up on connecting the peers?
  33  */
  34 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  35
  36 #define CONNECT_ATTEMPTS 3
  37
  38
  39 static int ok;
  40
  41 static int peers_left;
  42
  43 static int connect_left;
  44
  45 static struct GNUNET_TESTING_PeerGroup *pg;
  46
  47 static struct GNUNET_TESTING_Daemon *first;
  48
  49 static struct GNUNET_TESTING_Daemon *last;
  50
  51 static struct GNUNET_SCHEDULER_Handle *sched;
  52
  53
  54 static void
  55 clean_up_task (void *cls,
  56                  const struct GNUNET_SCHEDULER_TaskContext *tc)
  57 {
  58   GNUNET_TESTING_daemons_stop (pg, TIMEOUT);
  59   ok = 0;
  60 }
  61
  62
  63 static void
  64 notify_connect_complete(void *cls,
  65                         const struct GNUNET_PeerIdentity *first,
  66                         const struct GNUNET_PeerIdentity *second,
  67                         unsigned int distance,
  68                         const struct GNUNET_CONFIGURATION_Handle *first_cfg,
  69                         const struct GNUNET_CONFIGURATION_Handle *second_cfg,
  70                         struct GNUNET_TESTING_Daemon *first_daemon,
  71                         struct GNUNET_TESTING_Daemon *second_daemon,
  72                         const char *emsg)
  73 {
  74   if (NULL != emsg)
  75     {
  76       fprintf (stderr,
  77                "Failed to connect two peers: %s\n",
  78                emsg);
  79       GNUNET_TESTING_daemons_stop (pg, TIMEOUT);
  80       GNUNET_assert (0);
  81       return;
  82     }
  83   connect_left--;
  84   if (connect_left == 0)
  85     {
  86       /* FIXME: check that topology adds a few more links
  87          in addition to those that were seeded */
  88       GNUNET_SCHEDULER_add_now (sched,
  89                                 &clean_up_task,
  90                                 NULL);
  91     }
  92 }
  93
  94
  95 static void my_cb(void *cls,
  96                    const struct GNUNET_PeerIdentity *id,
  97                    const struct GNUNET_CONFIGURATION_Handle *cfg,
  98                    struct GNUNET_TESTING_Daemon *d,
  99                    const char *emsg)
 100 {
 101   GNUNET_assert (id != NULL);
 102   peers_left--;
 103   if (first == NULL)
 104     {
 105       connect_left = NUM_PEERS;
 106       first = d;
 107       last = d;
 108       return;
 109     }
 110   GNUNET_TESTING_daemons_connect (last, d, TIMEOUT, CONNECT_ATTEMPTS,
 111                                   &notify_connect_complete,
 112                                   NULL);
 113   if (peers_left == 0)
 114     {
 115       /* close circle */
 116       GNUNET_TESTING_daemons_connect (d, first, TIMEOUT, CONNECT_ATTEMPTS,
 117                                       &notify_connect_complete,
 118                                       NULL);
 119     }
 120 }
 121
 122
 123 static void
 124 run (void *cls,
 125      struct GNUNET_SCHEDULER_Handle *s,
 126      char *const *args,
 127      const char *cfgfile,
 128      const struct GNUNET_CONFIGURATION_Handle *cfg)
 129 {
 130   sched = s;
 131   ok = 1;
 132 #if VERBOSE
 133   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 134               "Starting daemons.\n");
 135 #endif
 136   peers_left = NUM_PEERS;
 137   pg = GNUNET_TESTING_daemons_start (sched, cfg,
 138                                      peers_left,
 139                                      TIMEOUT,
 140                                      NULL, NULL,
 141                                      &my_cb, NULL, NULL, NULL, NULL);
 142   GNUNET_assert (pg != NULL);
 143 }
 144
 145 static int
 146 check ()
 147 {
 148   char *const argv[] = { "test-testing",
 149     "-c",
 150     "test_gnunet_daemon_topology_data.conf",
 151 #if VERBOSE
 152     "-L", "DEBUG",
 153 #endif
 154     NULL
 155   };
 156   struct GNUNET_GETOPT_CommandLineOption options[] = {
 157     GNUNET_GETOPT_OPTION_END
 158   };
 159   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 160                       argv, "test-gnunet-daemon-topology", "nohelp",
 161                       options, &run, &ok);
 162   return ok;
 163 }
 164
 165 int
 166 main (int argc, char *argv[])
 167 {
 168   int ret;
 169
 170   GNUNET_log_setup ("test-gnunet-daemon-topology",
 171 #if VERBOSE
 172                     "DEBUG",
 173 #else
 174                     "WARNING",
 175 #endif
 176                     NULL);
 177   ret = check ();
 178   sleep (1); /* FIXME: needed? */
 179   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-topology");
 180   return ret;
 181 }
 182
 183 /* end of test_gnunet_daemon_topology.c */