src/fs/test_fs_download_indexed.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 2004, 2005, 2006, 2008, 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 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_indexed.c
  23  * @brief simple testcase for downloading of indexed file
  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 * 1024 * 2)
  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 #if START_ARM
  55   struct GNUNET_OS_Process *arm_proc;
  56 #endif
  57 };
  58
  59 static struct PeerContext p1;
  60
  61 static struct GNUNET_TIME_Absolute start;
  62
  63 static struct GNUNET_FS_Handle *fs;
  64
  65 static struct GNUNET_FS_DownloadContext *download;
  66
  67 static struct GNUNET_FS_PublishContext *publish;
  68
  69 static GNUNET_SCHEDULER_TaskIdentifier timeout_kill;
  70
  71 static char *fn;
  72
  73 static char *fn1;
  74
  75 static int err;
  76
  77 static void
  78 timeout_kill_task (void *cls,
  79                    const struct GNUNET_SCHEDULER_TaskContext *tc)
  80 {
  81   if (download != NULL)
  82     {
  83       GNUNET_FS_download_stop (download, GNUNET_YES);
  84       download = NULL;
  85     }
  86   else if (publish != NULL)
  87     {
  88       GNUNET_FS_publish_stop (publish);
  89       publish = NULL;
  90     }
  91   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
  92   err = 1;
  93 }
  94
  95 static void
  96 abort_publish_task (void *cls,
  97                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  98 {
  99   if (publish != NULL)
 100     {
 101       GNUNET_FS_publish_stop (publish);
 102       publish = NULL;
 103     }
 104 }
 105
 106 static void
 107 stop_fs_task (void *cls,
 108               const struct GNUNET_SCHEDULER_TaskContext *tc)
 109 {
 110   GNUNET_FS_stop (fs);
 111   fs = NULL;
 112 }
 113
 114 static void
 115 abort_download_task (void *cls,
 116                      const struct GNUNET_SCHEDULER_TaskContext *tc)
 117 {
 118   uint64_t size;
 119
 120   if (download != NULL)
 121     {
 122       GNUNET_FS_download_stop (download, GNUNET_YES);
 123       download = NULL;
 124     }
 125   GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_size (fn, &size, GNUNET_YES));
 126   GNUNET_assert (size == FILESIZE);
 127   GNUNET_DISK_directory_remove (fn);
 128   GNUNET_free (fn);
 129   fn = NULL;
 130   GNUNET_SCHEDULER_cancel (timeout_kill);
 131   timeout_kill = GNUNET_SCHEDULER_NO_TASK;
 132 }
 133
 134
 135 static void *
 136 progress_cb (void *cls,
 137              const struct GNUNET_FS_ProgressInfo *event)
 138 {
 139
 140   switch (event->status)
 141     {
 142     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
 143 #if VERBOSE
 144       printf ("Publish is progressing (%llu/%llu at level %u off %llu)...\n",
 145               (unsigned long long) event->abs_value.publish.completed,
 146               (unsigned long long) event->abs_value.publish.size,
 147               event->abs_value.publish.specifics.progress.depth,
 148               (unsigned long long) event->abs_value.publish.specifics.progress.offset);
 149 #endif
 150       break;
 151     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 152       printf ("Publishing complete, %llu kbps.\n",
 153               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 154       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dst");
 155       start = GNUNET_TIME_absolute_get ();
 156       download = GNUNET_FS_download_start (fs,
 157                                            event->value.publish.specifics.completed.chk_uri,
 158                                            NULL,
 159                                            fn, NULL,
 160                                            0,
 161                                            FILESIZE,
 162                                            1,
 163                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 164                                            "download",
 165                                            NULL);
 166       GNUNET_assert (download != NULL);
 167       break;
 168     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 169       printf ("Download complete,  %llu kbps.\n",
 170               (unsigned long long) (FILESIZE * 1000LL / (1+GNUNET_TIME_absolute_get_duration (start).rel_value) / 1024LL));
 171       GNUNET_SCHEDULER_add_now (&abort_download_task,
 172                                 NULL);
 173       break;
 174     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 175       GNUNET_assert (download == event->value.download.dc);
 176 #if VERBOSE
 177       printf ("Download is progressing (%llu/%llu at level %u off %llu)...\n",
 178               (unsigned long long) event->abs_value.download.completed,
 179               (unsigned long long) event->abs_value.download.size,
 180               event->abs_value.download.specifics.progress.depth,
 181               (unsigned long long) event->abs_value.download.specifics.progress.offset);
 182 #endif
 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_DOWNLOAD_ERROR:
 194       fprintf (stderr,
 195                "Error downloading file: %s\n",
 196                event->value.download.specifics.error.message);
 197       GNUNET_SCHEDULER_add_now (&abort_download_task,
 198                                 NULL);
 199       break;
 200     case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
 201     case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
 202       break;
 203     case GNUNET_FS_STATUS_PUBLISH_START:
 204       GNUNET_assert (0 == strcmp ("publish-context", event->value.publish.cctx));
 205       GNUNET_assert (NULL == event->value.publish.pctx);
 206       GNUNET_assert (FILESIZE == event->value.publish.size);
 207       GNUNET_assert (0 == event->value.publish.completed);
 208       GNUNET_assert (1 == event->value.publish.anonymity);
 209       break;
 210     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 211       GNUNET_assert (publish == event->value.publish.pc);
 212       GNUNET_assert (FILESIZE == event->value.publish.size);
 213       GNUNET_assert (1 == event->value.publish.anonymity);
 214       GNUNET_SCHEDULER_add_now (&stop_fs_task,
 215                                 NULL);
 216       break;
 217     case GNUNET_FS_STATUS_DOWNLOAD_START:
 218       GNUNET_assert (0 == strcmp ("download", event->value.download.cctx));
 219       GNUNET_assert (NULL == event->value.download.pctx);
 220       GNUNET_assert (NULL != event->value.download.uri);
 221       GNUNET_assert (0 == strcmp (fn, event->value.download.filename));
 222       GNUNET_assert (FILESIZE == event->value.download.size);
 223       GNUNET_assert (0 == event->value.download.completed);
 224       GNUNET_assert (1 == event->value.download.anonymity);
 225       break;
 226     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 227       GNUNET_assert (download == event->value.download.dc);
 228       GNUNET_SCHEDULER_add_continuation (&abort_publish_task,
 229                                          NULL,
 230                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 231       break;
 232     default:
 233       printf ("Unexpected event: %d\n",
 234               event->status);
 235       break;
 236     }
 237   return NULL;
 238 }
 239
 240
 241 static void
 242 setup_peer (struct PeerContext *p, const char *cfgname)
 243 {
 244   p->cfg = GNUNET_CONFIGURATION_create ();
 245 #if START_ARM
 246   p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
 247                                         "gnunet-service-arm",
 248 #if VERBOSE
 249                                         "-L", "DEBUG",
 250 #endif
 251                                         "-c", cfgname, NULL);
 252 #endif
 253   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 254 }
 255
 256
 257 static void
 258 stop_arm (struct PeerContext *p)
 259 {
 260 #if START_ARM
 261   if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
 262     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 263   if (GNUNET_OS_process_wait(p->arm_proc) != GNUNET_OK)
 264     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 265   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 266               "ARM process %u stopped\n", GNUNET_OS_process_get_pid (p->arm_proc));
 267   GNUNET_OS_process_close (p->arm_proc);
 268   p->arm_proc = NULL;
 269 #endif
 270   GNUNET_CONFIGURATION_destroy (p->cfg);
 271 }
 272
 273
 274 static void
 275 run (void *cls,
 276      char *const *args,
 277      const char *cfgfile,
 278      const struct GNUNET_CONFIGURATION_Handle *cfg)
 279 {
 280   const char *keywords[] = {
 281     "down_foo",
 282     "down_bar",
 283   };
 284   char *buf;
 285   struct GNUNET_CONTAINER_MetaData *meta;
 286   struct GNUNET_FS_Uri *kuri;
 287   struct GNUNET_FS_FileInformation *fi;
 288   size_t i;
 289
 290   setup_peer (&p1, "test_fs_download_data.conf");
 291   fs = GNUNET_FS_start (cfg,
 292                         "test-fs-download-indexed",
 293                         &progress_cb,
 294                         NULL,
 295                         GNUNET_FS_FLAGS_NONE,
 296                         GNUNET_FS_OPTIONS_END);
 297   GNUNET_assert (NULL != fs);
 298
 299   fn1 = GNUNET_DISK_mktemp ("gnunet-download-indexed-test");
 300   buf = GNUNET_malloc (FILESIZE);
 301   for (i = 0; i < FILESIZE; i++)
 302     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 303   GNUNET_assert (FILESIZE ==
 304                  GNUNET_DISK_fn_write (fn1,
 305                                        buf,
 306                                        FILESIZE,
 307                                        GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE));
 308   GNUNET_free (buf);
 309   meta = GNUNET_CONTAINER_meta_data_create ();
 310   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 311   fi = GNUNET_FS_file_information_create_from_file (fs,
 312                                                     "publish-context",
 313                                                     fn1,
 314                                                     kuri,
 315                                                     meta,
 316                                                     GNUNET_YES,
 317                                                     1,
 318                                                     42,
 319                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 320   GNUNET_FS_uri_destroy (kuri);
 321   GNUNET_CONTAINER_meta_data_destroy (meta);
 322   GNUNET_assert (NULL != fi);
 323   timeout_kill = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 324                                                &timeout_kill_task,
 325                                                NULL);
 326   start = GNUNET_TIME_absolute_get ();
 327   publish = GNUNET_FS_publish_start (fs,
 328                                     fi,
 329                                     NULL, NULL, NULL,
 330                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 331   GNUNET_assert (publish != NULL);
 332 }
 333
 334
 335 int
 336 main (int argc, char *argv[])
 337 {
 338   char *const argvx[] = {
 339     "test-fs-download-indexed",
 340     "-c",
 341     "test_fs_download_data.conf",
 342 #if VERBOSE
 343     "-L", "DEBUG",
 344 #endif
 345     NULL
 346   };
 347   struct GNUNET_GETOPT_CommandLineOption options[] = {
 348     GNUNET_GETOPT_OPTION_END
 349   };
 350
 351   GNUNET_log_setup ("test_fs_download_indexed",
 352 #if VERBOSE
 353                     "DEBUG",
 354 #else
 355                     "WARNING",
 356 #endif
 357                     NULL);
 358   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 359                       argvx, "test-fs-download-indexed",
 360                       "nohelp", options, &run, NULL);
 361   stop_arm (&p1);
 362   if (fn1 != NULL)
 363     {
 364       GNUNET_DISK_directory_remove (fn1);
 365       GNUNET_free (fn1);
 366     }
 367   if (fn != NULL)
 368     {
 369       GNUNET_DISK_directory_remove (fn);
 370       GNUNET_free (fn);
 371     }
 372   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-download/");
 373   return err;
 374 }
 375
 376 /* end of test_fs_download_indexed.c */