src/fs/test_fs_search_persistence.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 2009, 2010 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 3, 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 /**
  22  * @file fs/test_fs_search_persistence.c
  23  * @brief simple testcase for persistence of search operation
  24  * @author Christian Grothoff
  25  */
  26
  27 #include "platform.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_arm_service.h"
  30 #include "gnunet_fs_service.h"
  31
  32 #define VERBOSE GNUNET_NO
  33
  34 #define START_ARM GNUNET_YES
  35
  36 /**
  37  * File-size we use for testing.
  38  */
  39 #define FILESIZE 1024
  40
  41 /**
  42  * How long until we give up on transmitting the message?
  43  */
  44 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  45
  46 /**
  47  * How long should our test-content live?
  48  */
  49 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  50
  51 struct PeerContext
  52 {
  53   struct GNUNET_CONFIGURATION_Handle *cfg;
  54   struct GNUNET_PeerIdentity id;
  55 #if START_ARM
  56   struct GNUNET_OS_Process *arm_proc;
  57 #endif
  58 };
  59
  60 static struct PeerContext p1;
  61
  62 static struct GNUNET_TIME_Absolute start;
  63
  64 static struct GNUNET_FS_Handle *fs;
  65
  66 static struct GNUNET_FS_SearchContext *search;
  67
  68 static struct GNUNET_FS_PublishContext *publish;
  69
  70 static const struct GNUNET_CONFIGURATION_Handle *cfg;
  71
  72 static void
  73 abort_publish_task (void *cls,
  74                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  75 {
  76   GNUNET_FS_publish_stop (publish);
  77   publish = NULL;
  78 }
  79
  80
  81 static void
  82 abort_search_task (void *cls,
  83                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  84 {
  85   if (search != NULL)
  86     GNUNET_FS_search_stop (search);
  87   search = NULL;
  88 }
  89
  90
  91 static void *
  92 progress_cb (void *cls,
  93              const struct GNUNET_FS_ProgressInfo *event);
  94
  95
  96 static void
  97 restart_fs_task (void *cls,
  98                  const struct GNUNET_SCHEDULER_TaskContext *tc)
  99 {
 100   GNUNET_FS_stop (fs);
 101   fs = GNUNET_FS_start (cfg,
 102                         "test-fs-search-persistence",
 103                         &progress_cb,
 104                         NULL,
 105                         GNUNET_FS_FLAGS_PERSISTENCE,
 106                         GNUNET_FS_OPTIONS_END);
 107 }
 108
 109
 110
 111
 112 /**
 113  * Consider scheduling the restart-task.
 114  * Only runs the restart task once per event
 115  * category.
 116  *
 117  * @param ev type of the event to consider
 118  */
 119 static void
 120 consider_restart (int ev)
 121 {
 122   static int prev[32];
 123   static int off;
 124   int i;
 125   for (i=0;i<off;i++)
 126     if (prev[i] == ev)
 127       return;
 128   prev[off++] = ev;
 129   GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_URGENT,
 130                                       &restart_fs_task,
 131                                       NULL);
 132 }
 133
 134
 135 static void *
 136 progress_cb (void *cls,
 137              const struct GNUNET_FS_ProgressInfo *event)
 138 {
 139   const char *keywords[] = {
 140     "down_foo"
 141   };
 142   struct GNUNET_FS_Uri *kuri;
 143
 144   switch (event->status)
 145     {
 146     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 147 #if VERBOSE
 148       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 149               (unsigned long long) event->abs_value.publish.completed,
 150               (unsigned long long) event->abs_value.publish.size,
 151               event->abs_value.publish.specifics.progress.depth,
 152               (unsigned long long) event->abs_value.publish.specifics.progress.offset);
 153 #endif
 154       break;
 155     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 156       kuri = GNUNET_FS_uri_ksk_create_from_args (1, keywords);
 157       start = GNUNET_TIME_absolute_get ();
 158       GNUNET_FS_search_start (fs,
 159                               kuri,
 160                               1,
 161                               GNUNET_FS_SEARCH_OPTION_NONE,
 162                               "search");
 163       GNUNET_FS_uri_destroy (kuri);
 164       GNUNET_assert (search != NULL);
 165       break;
 166     case GNUNET_FS_STATUS_PUBLISH_SUSPEND:
 167       if  (event->value.publish.pc == publish)
 168         publish = NULL;
 169       break;
 170     case GNUNET_FS_STATUS_PUBLISH_RESUME:
 171       if (NULL == publish)
 172         publish = event->value.publish.pc;
 173       break;
 174     case GNUNET_FS_STATUS_SEARCH_RESULT:
 175       /* FIXME: consider_restart (event->status); cannot be tested with
 176          search result since we exit here after the first one... */
 177 #if VERBOSE
 178       printf ("Search complete.\n");
 179 #endif
 180       GNUNET_SCHEDULER_add_continuation (&abort_search_task,
 181                                          NULL,
 182                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 183       break;
 184     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 185       fprintf (stderr,
 186                "Error publishing file: %s\n",
 187                event->value.publish.specifics.error.message);
 188       GNUNET_break (0);
 189       GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 190                                          NULL,
 191                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 192       break;
 193     case GNUNET_FS_STATUS_SEARCH_ERROR:
 194       fprintf (stderr,
 195                "Error searching file: %s\n",
 196                event->value.search.specifics.error.message);
 197       GNUNET_SCHEDULER_add_continuation (&abort_search_task,
 198                                          NULL,
 199                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 200       break;
 201     case GNUNET_FS_STATUS_SEARCH_SUSPEND:
 202       if  (event->value.search.sc == search)
 203         search = NULL;
 204       break;
 205     case GNUNET_FS_STATUS_SEARCH_RESUME:
 206       if (NULL == search)
 207         {
 208           search = event->value.search.sc;
 209           return "search";
 210         }
 211       break;
 212     case GNUNET_FS_STATUS_PUBLISH_START:
 213       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 214       GNUNET_assert (NULL == event->value.publish.pctx);
 215       GNUNET_assert (FILESIZE == event->value.publish.size);
 216       GNUNET_assert (0 == event->value.publish.completed);
 217       GNUNET_assert (1 == event->value.publish.anonymity);
 218       break;
 219     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 220       GNUNET_assert (publish == event->value.publish.pc);
 221       GNUNET_assert (FILESIZE == event->value.publish.size);
 222       GNUNET_assert (1 == event->value.publish.anonymity);
 223       GNUNET_FS_stop (fs);
 224       fs = NULL;
 225       break;
 226     case GNUNET_FS_STATUS_SEARCH_START:
 227       consider_restart (event->status);
 228       GNUNET_assert (search == NULL);
 229       search = event->value.search.sc;
 230       GNUNET_assert (0 == strcmp ("search", event->value.search.cctx));
 231       GNUNET_assert (1 == event->value.search.anonymity);
 232       break;
 233     case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
 234       break;
 235     case GNUNET_FS_STATUS_SEARCH_STOPPED:
 236       GNUNET_assert (search == event->value.search.sc);
 237       GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 238                                          NULL,
 239                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 240       search = NULL;
 241       break;
 242     default:
 243       fprintf (stderr,
 244                "Unexpected event: %d\n",
 245                event->status);
 246       break;
 247     }
 248   return NULL;
 249 }
 250
 251
 252 static void
 253 setup_peer (struct PeerContext *p, const char *cfgname)
 254 {
 255   p->cfg = GNUNET_CONFIGURATION_create ();
 256 #if START_ARM
 257   p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 258                                         "gnunet-service-arm",
 259 #if VERBOSE
 260                                         "-L", "DEBUG",
 261 #endif
 262                                         "-c", cfgname, NULL);
 263 #endif
 264   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 265 }
 266
 267
 268 static void
 269 stop_arm (struct PeerContext *p)
 270 {
 271 #if START_ARM
 272   if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
 273     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 274   if (GNUNET_OS_process_wait(p->arm_proc) != GNUNET_OK)
 275     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 276   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 277               "ARM process %u stopped\n", GNUNET_OS_process_get_pid (p->arm_proc));
 278   GNUNET_OS_process_close (p->arm_proc);
 279   p->arm_proc = NULL;
 280 #endif
 281   GNUNET_CONFIGURATION_destroy (p->cfg);
 282 }
 283
 284
 285 static void
 286 run (void *cls,
 287      char *const *args,
 288      const char *cfgfile,
 289      const struct GNUNET_CONFIGURATION_Handle *c)
 290 {
 291   const char *keywords[] = {
 292     "down_foo",
 293     "down_bar"
 294   };
 295   char *buf;
 296   struct GNUNET_CONTAINER_MetaData *meta;
 297   struct GNUNET_FS_Uri *kuri;
 298   struct GNUNET_FS_FileInformation *fi;
 299   size_t i;
 300
 301   cfg = c;
 302   setup_peer (&p1, "test_fs_search_data.conf");
 303   fs = GNUNET_FS_start (cfg,
 304                         "test-fs-search-persistence",
 305                         &progress_cb,
 306                         NULL,
 307                         GNUNET_FS_FLAGS_PERSISTENCE,
 308                         GNUNET_FS_OPTIONS_END);
 309   GNUNET_assert (NULL != fs);
 310   buf = GNUNET_malloc (FILESIZE);
 311   for (i = 0; i < FILESIZE; i++)
 312     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 313   meta = GNUNET_CONTAINER_meta_data_create ();
 314   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 315   fi = GNUNET_FS_file_information_create_from_data (fs,
 316                                                     "publish-context",
 317                                                     FILESIZE,
 318                                                     buf,
 319                                                     kuri,
 320                                                     meta,
 321                                                     GNUNET_NO,
 322                                                     1,
 323                                                     42,
 324                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 325   GNUNET_FS_uri_destroy (kuri);
 326   GNUNET_CONTAINER_meta_data_destroy (meta);
 327   GNUNET_assert (NULL != fi);
 328   start = GNUNET_TIME_absolute_get ();
 329   publish = GNUNET_FS_publish_start (fs,
 330                                     fi,
 331                                     NULL, NULL, NULL,
 332                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 333   GNUNET_assert (publish != NULL);
 334 }
 335
 336
 337 int
 338 main (int argc, char *argv[])
 339 {
 340   char *const argvx[] = {
 341     "test-fs-search-persistence",
 342     "-c",
 343     "test_fs_search_data.conf",
 344 #if VERBOSE
 345     "-L", "DEBUG",
 346 #endif
 347     NULL
 348   };
 349   struct GNUNET_GETOPT_CommandLineOption options[] = {
 350     GNUNET_GETOPT_OPTION_END
 351   };
 352
 353   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-search/");
 354   GNUNET_log_setup ("test_fs_search_persistence",
 355 #if VERBOSE
 356                     "DEBUG",
 357 #else
 358                     "WARNING",
 359 #endif
 360                     NULL);
 361   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 362                       argvx, "test-fs-search-persistence",
 363                       "nohelp", options, &run, NULL);
 364   stop_arm (&p1);
 365   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-search/");
 366   return 0;
 367 }
 368
 369 /* end of test_fs_search_persistence.c */