src/hostlist/test_gnunet_daemon_hostlist_learning.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_core_service.h"
  29 #include "gnunet_transport_service.h"
  30 #include "gnunet_resolver_service.h"
  31 #include "gnunet_statistics_service.h"
  32
  33 #define VERBOSE GNUNET_NO
  34
  35 #define START_ARM GNUNET_YES
  36 #define MAX_URL_LEN 1000
  37
  38 /**
  39  * How long until wait until testcases fails
  40  */
  41 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 20)
  42 #define CHECK_INTERVALL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
  43
  44 static int timeout;
  45 static int adv_arrived;
  46 static int adv_sent;
  47 static int learned_hostlist_saved;
  48 static int learned_hostlist_downloaded;
  49
  50 static char * current_adv_uri;
  51
  52 static struct GNUNET_SCHEDULER_Handle *sched;
  53
  54 static GNUNET_SCHEDULER_TaskIdentifier timeout_task;
  55 static GNUNET_SCHEDULER_TaskIdentifier check_task;
  56
  57 struct PeerContext
  58 {
  59   struct GNUNET_CONFIGURATION_Handle *cfg;
  60   struct GNUNET_TRANSPORT_Handle *th;
  61   struct GNUNET_MessageHeader *hello;
  62   struct GNUNET_ARM_Handle *arm;
  63   struct GNUNET_CORE_Handle *core;
  64   struct GNUNET_STATISTICS_Handle *stats;
  65 #if START_ARM
  66   pid_t arm_pid;
  67 #endif
  68 };
  69
  70 static struct PeerContext adv_peer;
  71
  72 static struct PeerContext learn_peer;
  73
  74
  75 static void
  76 waitpid_task (void *cls,
  77               const struct GNUNET_SCHEDULER_TaskContext *tc)
  78 {
  79   struct PeerContext *p = cls;
  80
  81 #if START_ARM
  82   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  83               "Killing ARM process.\n");
  84   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
  85     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
  86   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
  87     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
  88   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  89               "ARM process %u stopped\n", p->arm_pid);
  90 #endif
  91   GNUNET_CONFIGURATION_destroy (p->cfg);
  92 }
  93
  94
  95 static void
  96 stop_cb (void *cls,
  97          int success)
  98 {
  99   struct PeerContext *p = cls;
 100
 101   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 102               success
 103               ? "ARM stopped core service\n"
 104               : "ARM failed to stop core service\n");
 105   GNUNET_ARM_disconnect (p->arm);
 106   p->arm = NULL;
 107   /* make sure this runs after all other tasks are done */
 108   GNUNET_SCHEDULER_add_delayed (sched,
 109                                 GNUNET_TIME_UNIT_SECONDS,
 110                                 &waitpid_task, p);
 111 }
 112
 113
 114 static void shutdown_testcase()
 115 {
 116   if (timeout_task != GNUNET_SCHEDULER_NO_TASK)
 117   {
 118     GNUNET_SCHEDULER_cancel (sched,
 119                              timeout_task);
 120     timeout_task = GNUNET_SCHEDULER_NO_TASK;
 121   }
 122   if (check_task != GNUNET_SCHEDULER_NO_TASK)
 123   {
 124     GNUNET_SCHEDULER_cancel (sched,
 125         check_task);
 126     check_task = GNUNET_SCHEDULER_NO_TASK;
 127   }
 128   if ( NULL != current_adv_uri ) GNUNET_free (current_adv_uri);
 129
 130   if (adv_peer.th != NULL)
 131   {
 132     GNUNET_TRANSPORT_disconnect (adv_peer.th);
 133     adv_peer.th = NULL;
 134   }
 135   if (learn_peer.th != NULL)
 136   {
 137     GNUNET_TRANSPORT_disconnect (learn_peer.th);
 138     learn_peer.th = NULL;
 139   }
 140   if (adv_peer.core != NULL)
 141   {
 142     GNUNET_CORE_disconnect (adv_peer.core);
 143     adv_peer.core = NULL;
 144   }
 145   if (learn_peer.core != NULL)
 146   {
 147     GNUNET_CORE_disconnect (learn_peer.core);
 148     learn_peer.core = NULL;
 149   }
 150   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 151               "Asking ARM to stop core services\n");
 152   learn_peer.arm = GNUNET_ARM_connect (learn_peer.cfg, sched, NULL);
 153   GNUNET_ARM_stop_service (learn_peer.arm, "core", GNUNET_TIME_UNIT_SECONDS,
 154                            &stop_cb, &learn_peer);
 155   adv_peer.arm = GNUNET_ARM_connect (adv_peer.cfg, sched, NULL);
 156   GNUNET_ARM_stop_service (adv_peer.arm, "core", GNUNET_TIME_UNIT_SECONDS,
 157                            &stop_cb, &adv_peer);
 158
 159   GNUNET_SCHEDULER_shutdown (sched);
 160 }
 161
 162 /**
 163  * Timeout, give up.
 164  */
 165 static void
 166 timeout_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 167 {
 168   timeout_task = GNUNET_SCHEDULER_NO_TASK;
 169   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 170               "Timeout while executing testcase, test failed.\n");
 171   timeout = GNUNET_YES;
 172   shutdown_testcase();
 173 }
 174
 175 static int
 176 process_downloads (void *cls,
 177               const char *subsystem,
 178               const char *name,
 179               uint64_t value,
 180               int is_persistent)
 181 {
 182   if ( (value == 1) && (learned_hostlist_downloaded == GNUNET_NO) )
 183   {
 184     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 185                 _("Client has successfully downloaded advertised URI \n"));
 186     learned_hostlist_downloaded = GNUNET_YES;
 187   }
 188   if ( GNUNET_NO != learned_hostlist_downloaded )
 189     shutdown_testcase();
 190   return GNUNET_OK;
 191 }
 192
 193 static int
 194 process_uris_recv (void *cls,
 195               const char *subsystem,
 196               const char *name,
 197               uint64_t value,
 198               int is_persistent)
 199 {
 200   if ( (value == 1) && (learned_hostlist_saved == GNUNET_NO))
 201   {
 202     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 203                 _("Client has successfully saved advertised URI \n"));
 204     learned_hostlist_saved = GNUNET_YES;
 205   }
 206   return GNUNET_OK;
 207 }
 208
 209 static int
 210 process_adv_sent (void *cls,
 211               const char *subsystem,
 212               const char *name,
 213               uint64_t value,
 214               int is_persistent)
 215 {
 216   if ( (value == 1) && (adv_sent == GNUNET_NO))
 217   {
 218     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 219                 _("Server has successfully sent advertisement\n"));
 220     adv_sent = GNUNET_YES;
 221   }
 222   return GNUNET_OK;
 223 }
 224
 225
 226 /**
 227  * Check the server statistics regularly
 228  */
 229 static void
 230 check_statistics (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 231 {
 232   char *stat;
 233   GNUNET_asprintf (&stat,
 234                    gettext_noop("Advertised URI `%s' downloaded"),
 235                    current_adv_uri);
 236   GNUNET_STATISTICS_get (learn_peer.stats,
 237                          "hostlist",
 238                          stat,
 239                          GNUNET_TIME_UNIT_MINUTES,
 240                          NULL,
 241                          &process_downloads,
 242                          NULL);
 243   GNUNET_free (stat);
 244   GNUNET_STATISTICS_get (learn_peer.stats,
 245                          "hostlist",
 246                          gettext_noop("# advertised hostlist URIs"),
 247                          GNUNET_TIME_UNIT_MINUTES,
 248                          NULL,
 249                          &process_uris_recv,
 250                          NULL);
 251   GNUNET_STATISTICS_get (adv_peer.stats,
 252                          "hostlist",
 253                          gettext_noop("# hostlist advertisements send"),
 254                          GNUNET_TIME_UNIT_MINUTES,
 255                          NULL,
 256                          &process_adv_sent,
 257                          NULL);
 258   check_task = GNUNET_SCHEDULER_add_delayed (sched,
 259                                 CHECK_INTERVALL,
 260                                 &check_statistics,
 261                                 NULL);
 262 }
 263
 264 /**
 265  * Core handler for p2p hostlist advertisements
 266  */
 267 static int ad_arrive_handler (void *cls,
 268                              const struct GNUNET_PeerIdentity * peer,
 269                              const struct GNUNET_MessageHeader * message,
 270                              struct GNUNET_TIME_Relative latency,
 271                              uint32_t distance)
 272 {
 273   char *hostname;
 274   char *expected_uri = GNUNET_malloc (MAX_URL_LEN);
 275
 276   unsigned long long port;
 277   size_t size;
 278   const struct GNUNET_MessageHeader * incoming;
 279
 280   if (-1 == GNUNET_CONFIGURATION_get_value_number (adv_peer.cfg,
 281                                                    "HOSTLIST",
 282                                                    "HTTPPORT",
 283                                                    &port))
 284     {
 285     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 286                 "Could not read advertising server's configuration\n" );
 287     return GNUNET_SYSERR;
 288     }
 289   hostname = GNUNET_RESOLVER_local_hostname_get ();
 290   if (NULL != hostname)
 291     {
 292       size = strlen (hostname);
 293       if (size + 15 > MAX_URL_LEN)
 294         {
 295           GNUNET_break (0);
 296         }
 297       else
 298         {
 299           GNUNET_asprintf (&expected_uri,
 300                            "http://%s:%u/",
 301                            hostname,
 302                            (unsigned int) port);
 303         }
 304     }
 305
 306   incoming = (const struct GNUNET_MessageHeader *) message;
 307   current_adv_uri = strdup ((char*) &incoming[1]);
 308   if ( 0 == strcmp( expected_uri, current_adv_uri ) )
 309   {
 310     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 311                 "Recieved hostlist advertisement with URI `%s'as expected\n", current_adv_uri);
 312     adv_arrived = GNUNET_YES;
 313   }
 314   else
 315     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 316                 "Expected URI `%s' and recieved URI `%s' differ\n", expected_uri, current_adv_uri);
 317   GNUNET_free ( expected_uri );
 318   GNUNET_free ( hostname );
 319   return GNUNET_OK;
 320 }
 321
 322 /**
 323  * List of handlers if we are learning.
 324  */
 325 static struct GNUNET_CORE_MessageHandler learn_handlers[] = {
 326   { &ad_arrive_handler, GNUNET_MESSAGE_TYPE_HOSTLIST_ADVERTISEMENT, 0},
 327   { NULL, 0, 0 }
 328 };
 329
 330 static void
 331 setup_learn_peer (struct PeerContext *p, const char *cfgname)
 332 {
 333   char * filename;
 334   unsigned int result;
 335   p->cfg = GNUNET_CONFIGURATION_create ();
 336 #if START_ARM
 337   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 338                                         "gnunet-service-arm",
 339 #if VERBOSE
 340                                         "-L", "DEBUG",
 341 #endif
 342                                         "-c", cfgname, NULL);
 343 #endif
 344   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 345   if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (p->cfg,
 346                                                           "HOSTLIST",
 347                                                           "HOSTLISTFILE",
 348                                                           &filename))
 349   {
 350   if ( GNUNET_YES == GNUNET_DISK_file_test (filename) )
 351     {
 352       result = remove (filename);
 353       if (result == 0)
 354       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 355             _("Hostlist file `%s' was removed\n"),filename);
 356     }
 357   }
 358   if ( NULL != filename)  GNUNET_free ( filename );
 359
 360   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 361
 362   p->core = GNUNET_CORE_connect (sched, p->cfg,
 363                               GNUNET_TIME_UNIT_FOREVER_REL,
 364                               NULL,
 365                               NULL,
 366                               NULL, NULL,
 367                               NULL, GNUNET_NO,
 368                               NULL, GNUNET_NO,
 369                               learn_handlers );
 370   GNUNET_assert ( NULL != p->core );
 371   p->stats = GNUNET_STATISTICS_create (sched, "hostlist", p->cfg);
 372   GNUNET_assert ( NULL != p->stats );
 373 }
 374
 375
 376 static void
 377 setup_adv_peer (struct PeerContext *p, const char *cfgname)
 378 {
 379   p->cfg = GNUNET_CONFIGURATION_create ();
 380 #if START_ARM
 381   p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 382                                         "gnunet-service-arm",
 383 #if VERBOSE
 384                                         "-L", "DEBUG",
 385 #endif
 386                                         "-c", cfgname, NULL);
 387 #endif
 388   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 389   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 390   p->stats = GNUNET_STATISTICS_create (sched, "hostlist", p->cfg);
 391   GNUNET_assert ( NULL != p->stats );
 392 }
 393
 394 static void
 395 run (void *cls,
 396      struct GNUNET_SCHEDULER_Handle *s,
 397      char *const *args,
 398      const char *cfgfile,
 399      const struct GNUNET_CONFIGURATION_Handle *cfg)
 400 {
 401   timeout = GNUNET_NO;
 402   adv_arrived = GNUNET_NO;
 403   adv_sent =GNUNET_NO;
 404   learned_hostlist_downloaded = GNUNET_NO;
 405   sched = s;
 406   timeout_task = GNUNET_SCHEDULER_add_delayed (sched,
 407                                                TIMEOUT,
 408                                                &timeout_error,
 409                                                NULL);
 410   check_task = GNUNET_SCHEDULER_add_delayed (sched,
 411                                 CHECK_INTERVALL,
 412                                 &check_statistics,
 413                                 NULL);
 414
 415   setup_adv_peer (&adv_peer, "test_learning_adv_peer.conf");
 416   setup_learn_peer (&learn_peer, "test_learning_learn_peer.conf");
 417 }
 418
 419
 420 static int
 421 check ()
 422 {
 423   unsigned int failed;
 424   char *const argv[] = { "test-gnunet-daemon-hostlist",
 425     "-c", "learning_data.conf",
 426 #if VERBOSE
 427     "-L", "DEBUG",
 428 #endif
 429     NULL
 430   };
 431   struct GNUNET_GETOPT_CommandLineOption options[] = {
 432     GNUNET_GETOPT_OPTION_END
 433   };
 434
 435   GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
 436                       argv, "test-gnunet-daemon-hostlist",
 437                       "nohelp", options, &run, NULL);
 438
 439   failed = GNUNET_NO;
 440
 441   if (timeout == GNUNET_YES)
 442   {
 443     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 444                 "Testcase could not set up two communicating peers, timeout\n");
 445     failed = GNUNET_YES;
 446   }
 447   if (adv_arrived == GNUNET_NO)
 448   {
 449     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 450                 "Learning peer did not recieve advertisement from server\n");
 451     failed = GNUNET_YES;
 452   }
 453   if ( learned_hostlist_saved == GNUNET_NO )
 454     {
 455       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 456                   "Advertised hostlist was not saved in datastore\n");
 457       failed = GNUNET_YES;
 458     }
 459   if (learned_hostlist_downloaded == GNUNET_NO)
 460   {
 461     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 462                 "Advertised hostlist could not be downloaded from server\n");
 463     failed = GNUNET_YES;
 464   }
 465
 466   if (adv_sent == GNUNET_NO)
 467   {
 468     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 469                 "Advertised was not sent from server to client\n");
 470     failed = GNUNET_YES;
 471   }
 472   if ( GNUNET_YES == failed )
 473     return GNUNET_YES;
 474   else
 475     return GNUNET_NO;
 476 }
 477
 478 int
 479 main (int argc, char *argv[])
 480 {
 481
 482   int ret;
 483
 484   GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-1");
 485   GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-2");
 486   GNUNET_log_setup ("test-gnunet-daemon-hostlist",
 487 #if VERBOSE
 488                     "DEBUG",
 489 #else
 490                     "WARNING",
 491 #endif
 492                     NULL);
 493   ret = check ();
 494   GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-1");
 495   GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-2");
 496   return ret;
 497 }
 498
 499 /* end of test_gnunet_daemon_hostlist.c */