src/fs/test_fs_download.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 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 /**
  22  * @file fs/test_fs_download.c
  23  * @brief simple testcase for download
  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 DEBUG_VERBOSE 42
  33 //GNUNET_NO
  34
  35 #define START_ARM GNUNET_YES
  36
  37 #define FILESIZE (1024 * 1024 * 2)
  38
  39 /**
  40  * How long until we give up on transmitting the message?
  41  */
  42 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
  43
  44 /**
  45  * How long should our test-content live?
  46  */
  47 #define LIFETIME GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15)
  48
  49 struct PeerContext
  50 {
  51   struct GNUNET_CONFIGURATION_Handle *cfg;
  52   struct GNUNET_PeerIdentity id;
  53 #if START_ARM
  54   pid_t arm_pid;
  55 #endif
  56 };
  57
  58 static struct PeerContext p1;
  59
  60
  61 static struct GNUNET_SCHEDULER_Handle *sched;
  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 char *fn;
  70
  71
  72 static void
  73 abort_download_task (void *cls,
  74                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  75 {
  76   GNUNET_FS_download_stop (download, GNUNET_YES);
  77   download = NULL;
  78 }
  79
  80
  81 static void
  82 abort_publish_task (void *cls,
  83                      const struct GNUNET_SCHEDULER_TaskContext *tc)
  84 {
  85   GNUNET_FS_publish_stop (publish);
  86   publish = NULL;
  87 }
  88
  89
  90 static void *
  91 progress_cb (void *cls,
  92              const struct GNUNET_FS_ProgressInfo *event)
  93 {
  94
  95   switch (event->status)
  96     {
  97     case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
  98 #if DEBUG_VERBOSE
  99       printf ("Publish is progressing (%llu/%llu)...\n",
 100               (unsigned long long) event->value.publish.completed,
 101               (unsigned long long) event->value.publish.size);
 102 #endif
 103       break;
 104     case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
 105 #if DEBUG_VERBOSE
 106       printf ("Publish complete.\n");
 107 #endif
 108       GNUNET_FS_publish_stop (publish);
 109       publish = NULL;
 110       fn = GNUNET_DISK_mktemp ("gnunet-download-test-dstXXXXXX");
 111       download = GNUNET_FS_download_start (fs,
 112                                            event->value.publish.specifics.completed.chk_uri,
 113                                            NULL,
 114                                            fn,
 115                                            0,
 116                                            FILESIZE,
 117                                            1,
 118                                            GNUNET_FS_DOWNLOAD_OPTION_NONE,
 119                                            NULL);
 120       GNUNET_assert (download != NULL);
 121       break;
 122     case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
 123 #if DEBUG_VERBOSE
 124       printf ("Download complete.\n");
 125 #endif
 126       GNUNET_FS_download_stop (download, GNUNET_YES);
 127       download = NULL;
 128       break;
 129     case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
 130 #if DEBUG_VERBOSE
 131       printf ("Download is progressing (%llu/%llu)...\n",
 132               (unsigned long long) event->value.download.completed,
 133               (unsigned long long) event->value.download.size);
 134 #endif
 135       break;
 136     case GNUNET_FS_STATUS_PUBLISH_ERROR:
 137       fprintf (stderr,
 138                "Error publishing file: %s\n",
 139                event->value.publish.specifics.error.message);
 140       GNUNET_break (0);
 141       GNUNET_SCHEDULER_add_continuation (sched,
 142                                          GNUNET_NO,
 143                                          &abort_publish_task,
 144                                          NULL,
 145                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 146       break;
 147     case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
 148       fprintf (stderr,
 149                "Error downloading file: %s\n",
 150                event->value.download.specifics.error.message);
 151       GNUNET_SCHEDULER_add_continuation (sched,
 152                                          GNUNET_NO,
 153                                          &abort_download_task,
 154                                          NULL,
 155                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
 156       break;
 157     case GNUNET_FS_STATUS_PUBLISH_START:
 158       /* FIXME: add checks here... */
 159       break;
 160     case GNUNET_FS_STATUS_PUBLISH_STOPPED:
 161       /* FIXME: add checks here... */
 162       break;
 163     case GNUNET_FS_STATUS_DOWNLOAD_START:
 164       /* FIXME: add checks here... */
 165       break;
 166     case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
 167       /* FIXME: add checks here... */
 168       GNUNET_FS_stop (fs);
 169       fs = NULL;
 170       break;
 171     default:
 172       printf ("Unexpected event: %d\n",
 173               event->status);
 174       break;
 175     }
 176   return NULL;
 177 }
 178
 179
 180 static void
 181 setup_peer (struct PeerContext *p, const char *cfgname)
 182 {
 183   p->cfg = GNUNET_CONFIGURATION_create ();
 184 #if START_ARM
 185   p->arm_pid = GNUNET_OS_start_process ("gnunet-service-arm",
 186                                         "gnunet-service-arm",
 187 #if VERBOSE
 188                                         "-L", "DEBUG",
 189 #endif
 190                                         "-c", cfgname, NULL);
 191   sleep (1);                    /* allow ARM to start */
 192 #endif
 193   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
 194   GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 195 }
 196
 197
 198 static void
 199 stop_arm (struct PeerContext *p)
 200 {
 201 #if START_ARM
 202   if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
 203     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
 204   if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
 205     GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
 206   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 207               "ARM process %u stopped\n", p->arm_pid);
 208 #endif
 209   GNUNET_CONFIGURATION_destroy (p->cfg);
 210 }
 211
 212
 213 static void
 214 run (void *cls,
 215      struct GNUNET_SCHEDULER_Handle *s,
 216      char *const *args,
 217      const char *cfgfile,
 218      const struct GNUNET_CONFIGURATION_Handle *cfg)
 219 {
 220   const char *keywords[] = {
 221     "down_foo",
 222     "down_bar",
 223   };
 224   char *buf;
 225   struct GNUNET_CONTAINER_MetaData *meta;
 226   struct GNUNET_FS_Uri *kuri;
 227   struct GNUNET_FS_FileInformation *fi;
 228   size_t i;
 229
 230   sched = s;
 231   setup_peer (&p1, "test_fs_download_data.conf");
 232   fs = GNUNET_FS_start (sched,
 233                         cfg,
 234                         "test-fs-download",
 235                         &progress_cb,
 236                         NULL,
 237                         GNUNET_FS_FLAGS_NONE,
 238                         GNUNET_FS_OPTIONS_END);
 239   GNUNET_assert (NULL != fs);
 240   buf = GNUNET_malloc (FILESIZE);
 241   for (i = 0; i < FILESIZE; i++)
 242     buf[i] = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 256);
 243   meta = GNUNET_CONTAINER_meta_data_create ();
 244   kuri = GNUNET_FS_uri_ksk_create_from_args (2, keywords);
 245   fi = GNUNET_FS_file_information_create_from_data ("file-to-publish",
 246                                                     FILESIZE,
 247                                                     buf,
 248                                                     kuri,
 249                                                     meta,
 250                                                     GNUNET_NO,
 251                                                     1,
 252                                                     42,
 253                                                     GNUNET_TIME_relative_to_absolute (LIFETIME));
 254   GNUNET_FS_uri_destroy (kuri);
 255   GNUNET_CONTAINER_meta_data_destroy (meta);
 256   GNUNET_assert (NULL != fi);
 257   publish = GNUNET_FS_publish_start (fs,
 258                                     "publish-context",
 259                                     fi,
 260                                     NULL, NULL, NULL,
 261                                     GNUNET_FS_PUBLISH_OPTION_NONE);
 262   GNUNET_assert (publish != NULL);
 263 }
 264
 265
 266 int
 267 main (int argc, char *argv[])
 268 {
 269   char *const argvx[] = {
 270     "test-fs-download",
 271     "-c",
 272     "test_fs_download_data.conf",
 273 #if VERBOSE
 274     "-L", "DEBUG",
 275 #endif
 276     NULL
 277   };
 278   struct GNUNET_GETOPT_CommandLineOption options[] = {
 279     GNUNET_GETOPT_OPTION_END
 280   };
 281
 282   GNUNET_log_setup ("test_fs_download",
 283 #if VERBOSE
 284                     "DEBUG",
 285 #else
 286                     "WARNING",
 287 #endif
 288                     NULL);
 289   GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
 290                       argvx, "test-fs-download",
 291                       "nohelp", options, &run, NULL);
 292   stop_arm (&p1);
 293   return 0;
 294 }
 295
 296 /* end of test_fs_download.c */