src/fs/test_fs_download.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 2009, 2011 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_download.c
  23  * @brief simple testcase for simple publish + download 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 #include <gauger.h>
  32
  33 #define VERBOSE GNUNET_NO
  34
  35 #define START_ARM GNUNET_YES
  36
  37 /**
  38  * File-size we use for testing.
  39  */
  40 #define FILESIZE (1024 * 1024 * 2)
  41
  42 /**
  43  * How long until we give up on transmitting the message?
  44  */
  45 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  46
  47 /**
  48  * How long should our test-content live?
  49  */
  50 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  51
  52 struct PeerContext
  53 {
  54   struct GNUNET_CONFIGURATION_Handle *cfg;
  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_DownloadContext *download;
  67
  68 static struct GNUNET_FS_PublishContext *publish;
  69
  70 static GNUNET_SCHEDULER_TaskIdentifier timeout_kill;
  71
  72 static char *fn;
  73
  74 static int err;
  75
  76 static void
  77 timeout_kill_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  78 {
  79   if (download != NULL)
  80   {
  81     GNUNET_FS_download_stop (download, GNUNET_YES);
  82     download = NULL;
  83   }
  84   else if (publish != NULL)
  85   {
  86     GNUNET_FS_publish_stop (publish);
  87     publish = NULL;
  88   }
  89   GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Timeout downloading file\n");
  90   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  91   err = 1;
  92 }
  93
  94 static void
  95 abort_publish_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  96 {
  97   if (publish != NULL)
  98   {
  99     GNUNET_FS_publish_stop (publish);
 100     publish = NULL;
 101   }
 102 }
 103
 104 static void
 105 stop_fs_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 106 {
 107   GNUNET_FS_stop (fs);
 108   fs = NULL;
 109 }
 110
 111 static void
 112 abort_download_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 113 {
 114   uint64_t size;
 115
 116   if (download != NULL)
 117   {
 118     GNUNET_FS_download_stop (download, GNUNET_YES);
 119     download = NULL;
 120   }
 121   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
 122   GNUNET_assert (size == FILESIZE);
 123   GNUNET_DISK_directory_remove (fn);
 124   GNUNET_free (fn);
 125   fn = NULL;
 126   GNUNET_SCHEDULER_cancel (timeout_kill);
 127   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 128 }
 129
 130
 131 static void *
 132 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 133 {
 134
 135   switch (event->status)
 136   {
 137   case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 138 #if VERBOSE
 139     printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 140             (unsigned long long) event->value.publish.completed,
 141             (unsigned long long) event->value.publish.size,
 142             event->value.publish.specifics.progress.depth,
 143             (unsigned long long) event->value.publish.specifics.
 144             progress.offset);
 145 #endif
 146     break;
 147   case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 148     printf ("Publishing complete, %llu kb/s.\n",
 149             (unsigned long long) (FILESIZE * 1000LL /
 150                                   (1 +
 151                                    GNUNET_TIME_absolute_get_duration
 152                                    (start).rel_value) / 1024LL));
 153     GAUGER ("FS", "Publishing speed (insertion)",
 154             (unsigned long long) (FILESIZE * 1000LL /
 155                                   (1 +
 156                                    GNUNET_TIME_absolute_get_duration
 157                                    (start).rel_value) / 1024LL), "kb/s");
 158     fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 159     start = GNUNET_TIME_absolute_get ();
 160     download = GNUNET_FS_download_start (fs,
 161                                          event->value.publish.
 162                                          specifics.completed.chk_uri, NULL, fn,
 163                                          NULL, 0, FILESIZE, 1,
 164                                          GNUNET_FS_DOWNLOAD_OPTION_NONE,
 165                                          "download", NULL);
 166     GNUNET_assert (download != NULL);
 167     break;
 168   case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 169     printf ("Download complete,  %llu kb/s.\n",
 170             (unsigned long long) (FILESIZE * 1000LL /
 171                                   (1 +
 172                                    GNUNET_TIME_absolute_get_duration
 173                                    (start).rel_value) / 1024LL));
 174     GAUGER ("FS", "Local download speed (inserted)",
 175             (unsigned long long) (FILESIZE * 1000LL /
 176                                   (1 +
 177                                    GNUNET_TIME_absolute_get_duration
 178                                    (start).rel_value) / 1024LL), "kb/s");
 179     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 180     break;
 181   case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 182     GNUNET_assert (download == event->value.download.dc);
 183 #if VERBOSE
 184     printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 185             (unsigned long long) event->value.download.completed,
 186             (unsigned long long) event->value.download.size,
 187             event->value.download.specifics.progress.depth,
 188             (unsigned long long) event->value.download.specifics.
 189             progress.offset);
 190 #endif
 191     break;
 192   case GNUNET_FS_STATUS_PUBLISH_ERROR:
 193     fprintf (stderr,
 194              "Error publishing file: %s\n",
 195              event->value.publish.specifics.error.message);
 196     GNUNET_break (0);
 197     GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 198                                        NULL,
 199                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 200     break;
 201   case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 202     fprintf (stderr,
 203              "Error downloading file: %s\n",
 204              event->value.download.specifics.error.message);
 205     GNUNET_SCHEDULER_add_now (&abort_download_task, NULL);
 206     break;
 207   case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 208   case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 209     break;
 210   case GNUNET_FS_STATUS_PUBLISH_START:
 211     GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 212     GNUNET_assert (NULL == event->value.publish.pctx);
 213     GNUNET_assert (FILESIZE == event->value.publish.size);
 214     GNUNET_assert (0 == event->value.publish.completed);
 215     GNUNET_assert (1 == event->value.publish.anonymity);
 216     break;
 217   case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 218     GNUNET_assert (publish == event->value.publish.pc);
 219     GNUNET_assert (FILESIZE == event->value.publish.size);
 220     GNUNET_assert (1 == event->value.publish.anonymity);
 221     GNUNET_SCHEDULER_add_now (&stop_fs_task, NULL);
 222     break;
 223   case GNUNET_FS_STATUS_DOWNLOAD_START:
 224     GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 225     GNUNET_assert (NULL == event->value.download.pctx);
 226     GNUNET_assert (NULL != event->value.download.uri);
 227     GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 228     GNUNET_assert (FILESIZE == event->value.download.size);
 229     GNUNET_assert (0 == event->value.download.completed);
 230     GNUNET_assert (1 == event->value.download.anonymity);
 231     break;
 232   case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 233     GNUNET_assert (download == event->value.download.dc);
 234     GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 235                                        NULL,
 236                                        GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 237     break;
 238   default:
 239     printf ("Unexpected event: %d\n", event->status);
 240     break;
 241   }
 242   return NULL;
 243 }
 244
 245
 246 static void
 247 setup_peer (struct PeerContext *p, const char *cfgname)
 248 {
 249   p->cfg = GNUNET_CONFIGURATION_create ();
 250 #if START_ARM
 251   p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 252                                          "gnunet-service-arm",
 253 #if VERBOSE
 254                                          "-L", "DEBUG",
 255 #endif
 256                                          "-c", cfgname, NULL);
 257 #endif
 258   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 259 }
 260
 261
 262 static void
 263 stop_arm (struct PeerContext *p)
 264 {
 265 #if START_ARM
 266   if (NULL != p->arm_proc)
 267   {
 268     if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
 269       GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 270     if (GNUNET_OS_process_wait (p->arm_proc) != GNUNET_OK)
 271       GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 272     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 273                 "ARM process %u stopped\n",
 274                 GNUNET_OS_process_get_pid (p->arm_proc));
 275     GNUNET_OS_process_close (p->arm_proc);
 276     p->arm_proc = NULL;
 277   }
 278 #endif
 279   GNUNET_CONFIGURATION_destroy (p->cfg);
 280 }
 281
 282
 283 static void
 284 run (void *cls,
 285      char *const *args,
 286      const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
 287 {
 288   const char *keywords[] = {
 289     "down_foo",
 290     "down_bar",
 291   };
 292   char *buf;
 293   struct GNUNET_CONTAINER_MetaData *meta;
 294   struct GNUNET_FS_Uri *kuri;
 295   struct GNUNET_FS_FileInformation *fi;
 296   size_t i;
 297   struct GNUNET_FS_BlockOptions bo;
 298
 299   setup_peer (&p1, "test_fs_download_data.conf");
 300   fs = GNUNET_FS_start (cfg,
 301                         "test-fs-download",
 302                         &progress_cb,
 303                         NULL, GNUNET_FS_FLAGS_NONE, GNUNET_FS_OPTIONS_END);
 304   GNUNET_assert (NULL != fs);
 305   buf = GNUNET_malloc (FILESIZE);
 306   for (i = 0; i < FILESIZE; i++)
 307     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 308   meta = GNUNET_CONTAINER_meta_data_create ();
 309   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 310   bo.content_priority = 42;
 311   bo.anonymity_level = 1;
 312   bo.replication_level = 0;
 313   bo.expiration_time = GNUNET_TIME_relative_to_absolute (LIFETIME);
 314   fi = GNUNET_FS_file_information_create_from_data (fs,
 315                                                     "publish-context",
 316                                                     FILESIZE,
 317                                                     buf,
 318                                                     kuri, meta, GNUNET_NO, &bo);
 319   GNUNET_FS_uri_destroy (kuri);
 320   GNUNET_CONTAINER_meta_data_destroy (meta);
 321   GNUNET_assert (NULL != fi);
 322   timeout_kill = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 323                                                &timeout_kill_task, NULL);
 324   start = GNUNET_TIME_absolute_get ();
 325   publish = GNUNET_FS_publish_start (fs,
 326                                      fi,
 327                                      NULL, NULL, NULL,
 328                                      GNUNET_FS_PUBLISH_OPTION_NONE);
 329   GNUNET_assert (publish != NULL);
 330 }
 331
 332
 333 int
 334 main (int argc, char *argv[])
 335 {
 336   char *const argvx[] = {
 337     "test-fs-download",
 338     "-c",
 339     "test_fs_download_data.conf",
 340 #if VERBOSE
 341     "-L", "DEBUG",
 342 #endif
 343     NULL
 344   };
 345   struct GNUNET_GETOPT_CommandLineOption options[] = {
 346     GNUNET_GETOPT_OPTION_END
 347   };
 348
 349   GNUNET_log_setup ("test_fs_download",
 350 #if VERBOSE
 351                     "DEBUG",
 352 #else
 353                     "WARNING",
 354 #endif
 355                     NULL);
 356   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 357                       argvx, "test-fs-download", "nohelp", options, &run, NULL);
 358   stop_arm (&p1);
 359   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 360   return err;
 361 }
 362
 363 /* end of test_fs_download.c */