src/hostlist/test_gnunet_daemon_hostlist.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 hostlist/test_gnunet_daemon_hostlist.c
  22  * @brief test for gnunet_daemon_hostslist.c
  23  * @author Christian Grothoff
  24  */
  25 #include "platform.h"
  26 #include "gnunet_util_lib.h"
  27 #include "gnunet_arm_service.h"
  28 #include "gnunet_transport_service.h"
  29
  30 #define VERBOSE GNUNET_YES
  31
  32 #define START_ARM GNUNET_YES
  33
  34
  35 /**
  36  * How long until we give up on transmitting the message?
  37  */
  38 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
  39
  40 static int ok;
  41
  42 static struct GNUNET_SCHEDULER_Handle *sched;
  43
  44 static GNUNET_SCHEDULER_TaskIdentifier timeout_task;
  45
  46 struct PeerContext
  47 {
  48   struct GNUNET_CONFIGURATION_Handle *cfg;
  49   struct GNUNET_TRANSPORT_Handle *th;
  50   struct GNUNET_MessageHeader *hello;
  51   struct GNUNET_ARM_Handle *arm;
  52 #if START_ARM
  53   pid_t arm_pid;
  54 #endif
  55 };
  56
  57 static struct PeerContext p1;
  58
  59 static struct PeerContext p2;
  60
  61
  62
  63 /**
  64  * Timeout, give up.
  65  */
  66 static void
  67 timeout_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  68 {
  69   timeout_task = GNUNET_SCHEDULER_NO_TASK;
  70   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
  71               "Timeout trying to connect peers, test failed.\n");
  72   GNUNET_TRANSPORT_disconnect (p1.th);
  73   p1.th = NULL;
  74   GNUNET_TRANSPORT_disconnect (p2.th);
  75   p2.th = NULL;
  76   GNUNET_SCHEDULER_shutdown (sched);
  77 }
  78
  79
  80 /**
  81  * Function called to notify transport users that another
  82  * peer connected to us.
  83  *
  84  * @param cls closure
  85  * @param peer the peer that connected
  86  * @param latency current latency of the connection
  87  */
  88 static void
  89 notify_connect (void *cls,
  90                 const struct GNUNET_PeerIdentity * peer,
  91                 struct GNUNET_TIME_Relative latency)
  92 {
  93   if (peer == NULL)
  94     return;
  95   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  96               "Peers connected, shutting down.\n");
  97   GNUNET_assert (ok == 4);
  98   ok = 0;
  99
 100   GNUNET_SCHEDULER_cancel (sched,
 101                            timeout_task);
 102   GNUNET_TRANSPORT_disconnect (p1.th);
 103   p1.th = NULL;
 104   GNUNET_TRANSPORT_disconnect (p2.th);
 105   p2.th = NULL;
 106 }
 107
 108
 109 static void
 110 process_hello (void *cls,
 111                struct GNUNET_TIME_Relative latency,
 112                const struct GNUNET_PeerIdentity *peer,
 113                const struct GNUNET_MessageHeader *message)
 114 {
 115   struct PeerContext *p = cls;
 116
 117   if (message == NULL)
 118     return;
 119   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 120               "Received HELLO, starting hostlist service.\n");
 121   GNUNET_assert ( (ok >= 2) && (ok <= 3) );
 122   ok++;
 123   GNUNET_ARM_start_services (p->cfg, sched, "hostlist", NULL);
 124 }
 125
 126
 127 static void
 128 setup_peer (struct PeerContext *p, const char *cfgname)
 129 {
 130   p->cfg = GNUNET_CONFIGURATION_create ();
 131 #if START_ARM
 132   p->arm_pid = GNUNET_OS_start_process ("gnunet-service-arm",
 133                                         "gnunet-service-arm",
 134 #if VERBOSE
 135                                         "-L", "DEBUG",
 136 #endif
 137                                         "-c", cfgname, NULL);
 138 #endif
 139   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 140   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 141   p->th = GNUNET_TRANSPORT_connect (sched, p->cfg, p, NULL,
 142                                     &notify_connect, NULL);
 143   GNUNET_assert (p->th != NULL);
 144   GNUNET_TRANSPORT_get_hello (p->th, TIMEOUT, &process_hello, p);
 145 }
 146
 147
 148 static void
 149 waitpid_task (void *cls,
 150               const struct GNUNET_SCHEDULER_TaskContext *tc)
 151 {
 152   struct PeerContext *p = cls;
 153
 154 #if START_ARM
 155   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 156               "Killing ARM process.\n");
 157   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 158     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 159   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 160     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 161   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 162               "ARM process %u stopped\n", p->arm_pid);
 163 #endif
 164   GNUNET_CONFIGURATION_destroy (p->cfg);
 165 }
 166
 167
 168 static void
 169 stop_cb (void *cls,
 170          int success)
 171 {
 172   struct PeerContext *p = cls;
 173
 174   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 175               success
 176               ? "ARM stopped core service\n"
 177               : "ARM failed to stop core service\n");
 178   GNUNET_ARM_disconnect (p->arm);
 179   p->arm = NULL;
 180   /* make sure this runs after all other tasks are done */
 181   GNUNET_SCHEDULER_add_delayed (sched,
 182                                 GNUNET_TIME_UNIT_SECONDS,
 183                                 &waitpid_task, p);
 184 }
 185
 186
 187 static void
 188 stop_arm (struct PeerContext *p)
 189 {
 190   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 191               "Asking ARM to stop core service\n");
 192   p->arm = GNUNET_ARM_connect (p->cfg, sched, NULL);
 193   GNUNET_ARM_stop_service (p->arm, "core", GNUNET_TIME_UNIT_SECONDS,
 194                            &stop_cb, p);
 195 }
 196
 197
 198 /**
 199  * Try again to connect to transport service.
 200  */
 201 static void
 202 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 203 {
 204   stop_arm (&p1);
 205   stop_arm (&p2);
 206 }
 207
 208
 209 static void
 210 run (void *cls,
 211      struct GNUNET_SCHEDULER_Handle *s,
 212      char *const *args,
 213      const char *cfgfile,
 214      const struct GNUNET_CONFIGURATION_Handle *cfg)
 215 {
 216   GNUNET_assert (ok == 1);
 217   ok++;
 218   sched = s;
 219   timeout_task = GNUNET_SCHEDULER_add_delayed (sched,
 220                                                GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
 221                                                                               15),
 222                                                &timeout_error,
 223                                                NULL);
 224   GNUNET_SCHEDULER_add_delayed (sched,
 225                                 GNUNET_TIME_UNIT_FOREVER_REL,
 226                                 &shutdown_task,
 227                                 NULL);
 228   setup_peer (&p1, "test_gnunet_daemon_hostlist_peer1.conf");
 229   setup_peer (&p2, "test_gnunet_daemon_hostlist_peer2.conf");
 230 }
 231
 232
 233 static int
 234 check ()
 235 {
 236   char *const argv[] = { "test-gnunet-daemon-hostlist",
 237     "-c", "test_gnunet_daemon_hostlist_data.conf",
 238 #if VERBOSE
 239     "-L", "DEBUG",
 240 #endif
 241     NULL
 242   };
 243   struct GNUNET_GETOPT_CommandLineOption options[] = {
 244     GNUNET_GETOPT_OPTION_END
 245   };
 246   ok = 1;
 247   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 248                       argv, "test-gnunet-daemon-hostlist",
 249                       "nohelp", options, &run, &ok);
 250   return ok;
 251 }
 252
 253
 254 int
 255 main (int argc, char *argv[])
 256 {
 257
 258   int ret;
 259
 260   GNUNET_log_setup ("test-gnunet-daemon-hostlist",
 261 #if VERBOSE
 262                     "DEBUG",
 263 #else
 264                     "WARNING",
 265 #endif
 266                     NULL);
 267   ret = check ();
 268   return ret;
 269 }
 270
 271 /* end of test_gnunet_daemon_hostlist.c */