src/fs/test_gnunet_service_fs_migration.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2010, 2012, 2015 GNUnet e.V.
   4
   5      GNUnet is free software: you can redistribute it and/or modify it
   6      under the terms of the GNU Affero General Public License as published
   7      by the Free Software Foundation, either version 3 of the License,
   8      or (at your 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      Affero General Public License for more details.
  14
  15      You should have received a copy of the GNU Affero General Public License
  16      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18      SPDX-License-Identifier: AGPL3.0-or-later
  19  */
  20
  21 /**
  22  * @file fs/test_gnunet_service_fs_migration.c
  23  * @brief test content migration between two peers
  24  * @author Christian Grothoff
  25  */
  26 #include "platform.h"
  27 #include "fs_test_lib.h"
  28 #include "gnunet_testbed_service.h"
  29
  30 #define VERBOSE GNUNET_NO
  31
  32 /**
  33  * File-size we use for testing.
  34  */
  35 #define FILESIZE (2 * 32 * 1024)
  36
  37 /**
  38  * How long until we give up on transmitting the message?
  39  */
  40 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
  41
  42 /**
  43  * How long do we give the peers for content migration?
  44  */
  45 #define MIGRATION_DELAY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, \
  46                                                        90)
  47
  48 #define SEED 42
  49
  50 static struct GNUNET_TESTBED_Peer *daemons[2];
  51
  52 static int ok;
  53
  54 static struct GNUNET_TIME_Absolute start_time;
  55
  56 static struct GNUNET_TESTBED_Operation *op;
  57
  58
  59 struct DownloadContext
  60 {
  61   char *fn;
  62
  63   struct GNUNET_FS_Uri *uri;
  64 };
  65
  66
  67 static void
  68 do_stop (void *cls)
  69 {
  70   struct GNUNET_TIME_Relative del;
  71   char *fancy;
  72
  73   GNUNET_SCHEDULER_shutdown ();
  74   if (0 ==
  75       GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_add (start_time,
  76                                                                     TIMEOUT)).
  77       rel_value_us)
  78   {
  79     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  80                 "Timeout during download, shutting down with error\n");
  81     ok = 1;
  82   }
  83   else
  84   {
  85     del = GNUNET_TIME_absolute_get_duration (start_time);
  86     if (del.rel_value_us == 0)
  87       del.rel_value_us = 1;
  88     fancy =
  89       GNUNET_STRINGS_byte_size_fancy (((unsigned long long) FILESIZE)
  90                                       * 1000000LL / del.rel_value_us);
  91     fprintf (stdout,
  92              "Download speed was %s/s\n",
  93              fancy);
  94     GNUNET_free (fancy);
  95     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  96                 "Finished download, shutting down\n");
  97   }
  98 }
  99
 100
 101 static void
 102 do_download (void *cls,
 103              const char *emsg)
 104 {
 105   struct DownloadContext *dc = cls;
 106   struct GNUNET_FS_Uri *uri = dc->uri;
 107
 108   GNUNET_TESTBED_operation_done (op);
 109   op = NULL;
 110   if (NULL != dc->fn)
 111   {
 112     GNUNET_DISK_directory_remove (dc->fn);
 113     GNUNET_free (dc->fn);
 114   }
 115   GNUNET_free (dc);
 116   if (NULL != emsg)
 117   {
 118     GNUNET_SCHEDULER_shutdown ();
 119     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 120                 "Failed to stop source daemon: %s\n",
 121                 emsg);
 122     GNUNET_FS_uri_destroy (uri);
 123     ok = 1;
 124     return;
 125   }
 126   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 127               "Downloading %llu bytes\n",
 128               (unsigned long long) FILESIZE);
 129   start_time = GNUNET_TIME_absolute_get ();
 130   GNUNET_FS_TEST_download (daemons[0],
 131                            TIMEOUT,
 132                            1,
 133                            SEED,
 134                            uri,
 135                            VERBOSE,
 136                            &do_stop,
 137                            NULL);
 138   GNUNET_FS_uri_destroy (uri);
 139 }
 140
 141
 142 static void
 143 stop_source_peer (void *cls)
 144 {
 145   struct DownloadContext *dc = cls;
 146
 147   /* FIXME: We should not interact with testbed when shutting down */
 148   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 149               "Stopping source peer\n");
 150   op = GNUNET_TESTBED_peer_stop (NULL,
 151                                  daemons[1],
 152                                  &do_download, dc);
 153   GNUNET_assert (NULL != op);
 154 }
 155
 156
 157 static void
 158 do_wait (void *cls,
 159          const struct GNUNET_FS_Uri *uri,
 160          const char *fn)
 161 {
 162   struct DownloadContext *dc;
 163
 164   if (NULL == uri)
 165   {
 166     GNUNET_SCHEDULER_shutdown ();
 167     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 168                 "Timeout during upload attempt, shutting down with error\n");
 169     ok = 1;
 170     return;
 171   }
 172   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 173               "Waiting to allow content to migrate\n");
 174   dc = GNUNET_new (struct DownloadContext);
 175   dc->uri = GNUNET_FS_uri_dup (uri);
 176   if (NULL != fn)
 177     dc->fn = GNUNET_strdup (fn);
 178   (void) GNUNET_SCHEDULER_add_delayed (MIGRATION_DELAY,
 179                                        &stop_source_peer,
 180                                        dc);
 181 }
 182
 183
 184 static void
 185 do_publish (void *cls,
 186             struct GNUNET_TESTBED_RunHandle *h,
 187             unsigned int num_peers,
 188             struct GNUNET_TESTBED_Peer **peers,
 189             unsigned int links_succeeded,
 190             unsigned int links_failed)
 191 {
 192   unsigned int i;
 193
 194   GNUNET_assert (2 == num_peers);
 195   for (i = 0; i < num_peers; i++)
 196     daemons[i] = peers[i];
 197   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 198               "Publishing %llu bytes\n",
 199               (unsigned long long) FILESIZE);
 200   GNUNET_FS_TEST_publish (daemons[1], TIMEOUT, 1, GNUNET_NO,
 201                           FILESIZE, SEED,
 202                           VERBOSE, &do_wait, NULL);
 203 }
 204
 205
 206 int
 207 main (int argc,
 208       char *argv[])
 209 {
 210   (void) GNUNET_TESTBED_test_run ("test-gnunet-service-fs-migration",
 211                                   "fs_test_lib_data.conf",
 212                                   2,
 213                                   0, NULL, NULL,
 214                                   &do_publish,
 215                                   NULL);
 216   GNUNET_DISK_directory_remove ("/tmp/test-gnunet-service-fs-migration/");
 217   return ok;
 218 }
 219
 220
 221 /* end of test_gnunet_service_fs_migration.c */