src/topology/test_gnunet_service_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_service_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_YES
  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
  37 static int ok;
  38
  39 static int peers_left;
  40
  41 static int connect_left;
  42
  43 static struct GNUNET_TESTING_PeerGroup *pg;
  44
  45 static struct GNUNET_TESTING_Daemon *first;
  46
  47 static struct GNUNET_TESTING_Daemon *last;
  48
  49 static struct GNUNET_SCHEDULER_Handle *sched;
  50
  51
  52 static void
  53 clean_up_task (void *cls,
  54                  const struct GNUNET_SCHEDULER_TaskContext *tc)
  55 {
  56   GNUNET_TESTING_daemons_stop (pg);
  57   ok = 0;
  58 }
  59
  60
  61 static void
  62 notify_connect_complete(void *cls,
  63                         const struct GNUNET_PeerIdentity *first,
  64                         const struct GNUNET_PeerIdentity *second,
  65                         const struct GNUNET_CONFIGURATION_Handle *first_cfg,
  66                         const struct GNUNET_CONFIGURATION_Handle *second_cfg,
  67                         struct GNUNET_TESTING_Daemon *first_daemon,
  68                         struct GNUNET_TESTING_Daemon *second_daemon,
  69                         const char *emsg)
  70 {
  71   if (NULL != emsg)
  72     {
  73       fprintf (stderr,
  74                "Failed to connect two peers: %s\n",
  75                emsg);
  76       GNUNET_assert (0);
  77       return;
  78     }
  79   connect_left--;
  80   if (connect_left == 0)
  81     {
  82       /* FIXME: check that topology adds a few more links
  83          in addition to those that were seeded */
  84       /* For now, sleep so we can have the daemon do some work */
  85       GNUNET_SCHEDULER_add_delayed (sched,
  86                                     GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
  87                                     &clean_up_task,
  88                                     NULL);
  89     }
  90 }
  91
  92
  93 static void my_cb(void *cls,
  94                    const struct GNUNET_PeerIdentity *id,
  95                    const struct GNUNET_CONFIGURATION_Handle *cfg,
  96                    struct GNUNET_TESTING_Daemon *d,
  97                    const char *emsg)
  98 {
  99   GNUNET_assert (id != NULL);
 100   peers_left--;
 101   if (first == NULL)
 102     {
 103       connect_left = NUM_PEERS;
 104       first = d;
 105       last = d;
 106       return;
 107     }
 108   GNUNET_TESTING_daemons_connect (last, d, TIMEOUT,
 109                                   &notify_connect_complete,
 110                                   NULL);
 111   if (peers_left == 0)
 112     {
 113       /* close circle */
 114       GNUNET_TESTING_daemons_connect (d, first, TIMEOUT,
 115                                       &notify_connect_complete,
 116                                       NULL);
 117     }
 118 }
 119
 120
 121 static void
 122 run (void *cls,
 123      struct GNUNET_SCHEDULER_Handle *s,
 124      char *const *args,
 125      const char *cfgfile,
 126      const struct GNUNET_CONFIGURATION_Handle *cfg)
 127 {
 128   sched = s;
 129   ok = 1;
 130 #if VERBOSE
 131   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 132               "Starting daemons.\n");
 133 #endif
 134   peers_left = NUM_PEERS;
 135   pg = GNUNET_TESTING_daemons_start (sched, cfg,
 136                                      peers_left,
 137                                      &my_cb, NULL, NULL, NULL, NULL);
 138   GNUNET_assert (pg != NULL);
 139 }
 140
 141 static int
 142 check ()
 143 {
 144   char *const argv[] = { "test-testing",
 145     "-c",
 146     "test_gnunet_service_topology_data.conf",
 147 #if VERBOSE
 148     "-L", "DEBUG",
 149 #endif
 150     NULL
 151   };
 152   struct GNUNET_GETOPT_CommandLineOption options[] = {
 153     GNUNET_GETOPT_OPTION_END
 154   };
 155   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 156                       argv, "test-gnunet-service-topology", "nohelp",
 157                       options, &run, &ok);
 158   return ok;
 159 }
 160
 161 int
 162 main (int argc, char *argv[])
 163 {
 164   int ret;
 165
 166   GNUNET_log_setup ("test-gnunet-service-topology",
 167 #if VERBOSE
 168                     "DEBUG",
 169 #else
 170                     "WARNING",
 171 #endif
 172                     NULL);
 173   ret = check ();
 174   sleep (1); /* FIXME: needed? */
 175   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-topology");
 176   return ret;
 177 }
 178
 179 /* end of test_gnunet_service_topology.c */