src/dht/test_dht_api.c

   1 /*
   2      This file is part of GNUnet.
   3      Copyright (C) 2009, 2015, 2017 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  * @file dht/test_dht_api.c
  22  * @brief base test case for dht api
  23  * @author Christian Grothoff
  24  *
  25  * This test case tests DHT api to DUMMY DHT service communication.
  26  */
  27 #include "platform.h"
  28 #include "gnunet_util_lib.h"
  29 #include "gnunet_hello_lib.h"
  30 #include "gnunet_testing_lib.h"
  31 #include "gnunet_dht_service.h"
  32
  33
  34 /**
  35  * How long until we really give up on a particular testcase portion?
  36  */
  37 #define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  38
  39 static struct GNUNET_DHT_Handle *dht_handle;
  40
  41 static struct GNUNET_DHT_GetHandle *get_handle;
  42
  43 static struct GNUNET_DHT_PutHandle *put_handle;
  44
  45 static int ok = 1;
  46
  47 static struct GNUNET_SCHEDULER_Task *die_task;
  48
  49
  50 static void
  51 do_shutdown (void *cls)
  52 {
  53   if (NULL != die_task)
  54   {
  55     GNUNET_SCHEDULER_cancel (die_task);
  56     die_task = NULL;
  57   }
  58   if (NULL != put_handle)
  59   {
  60     GNUNET_DHT_put_cancel (put_handle);
  61     put_handle = NULL;
  62   }
  63   if (NULL != get_handle)
  64   {
  65     GNUNET_DHT_get_stop (get_handle);
  66     get_handle = NULL;
  67   }
  68   GNUNET_DHT_disconnect (dht_handle);
  69   dht_handle = NULL;
  70 }
  71
  72
  73 static void
  74 end_badly (void *cls)
  75 {
  76   die_task = NULL;
  77   FPRINTF (stderr,
  78            "%s",
  79            "Ending on an unhappy note.\n");
  80   GNUNET_SCHEDULER_shutdown ();
  81   ok = 1;
  82 }
  83
  84
  85 static void
  86 test_get_iterator (void *cls,
  87                    struct GNUNET_TIME_Absolute exp,
  88                    const struct GNUNET_HashCode *key,
  89                    const struct GNUNET_PeerIdentity *get_path,
  90                    unsigned int get_path_length,
  91                    const struct GNUNET_PeerIdentity *put_path,
  92                    unsigned int put_path_length,
  93                    enum GNUNET_BLOCK_Type type,
  94                    size_t size,
  95                    const void *data)
  96 {
  97   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  98               "test_get_iterator called (we got a result), stopping get request!\n");
  99   GNUNET_SCHEDULER_shutdown ();
 100   ok = 0;
 101 }
 102
 103
 104 /**
 105  * Signature of the main function of a task.
 106  *
 107  * @param cls closure
 108  */
 109 static void
 110 test_get (void *cls)
 111 {
 112   struct GNUNET_HashCode hash;
 113
 114   put_handle = NULL;
 115   memset (&hash,
 116           42,
 117           sizeof (struct GNUNET_HashCode));
 118   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 119               "Called test_get!\n");
 120   GNUNET_assert (dht_handle != NULL);
 121   get_handle = GNUNET_DHT_get_start (dht_handle,
 122                                      GNUNET_BLOCK_TYPE_TEST,
 123                                      &hash,
 124                                      1,
 125                                      GNUNET_DHT_RO_NONE,
 126                                      NULL,
 127                                      0,
 128                                      &test_get_iterator,
 129                                      NULL);
 130
 131   if (NULL == get_handle)
 132   {
 133     GNUNET_break (0);
 134     ok = 1;
 135     GNUNET_SCHEDULER_shutdown ();
 136     return;
 137   }
 138 }
 139
 140
 141 static void
 142 run (void *cls,
 143      const struct GNUNET_CONFIGURATION_Handle *cfg,
 144      struct GNUNET_TESTING_Peer *peer)
 145 {
 146   struct GNUNET_HashCode hash;
 147   char *data;
 148   size_t data_size = 42;
 149
 150   GNUNET_assert (ok == 1);
 151   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
 152                                  NULL);
 153   die_task = GNUNET_SCHEDULER_add_delayed (TOTAL_TIMEOUT,
 154                                            &end_badly,
 155                                            NULL);
 156   memset (&hash,
 157           42,
 158           sizeof (struct GNUNET_HashCode));
 159   data = GNUNET_malloc (data_size);
 160   memset (data, 43, data_size);
 161   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 162               "Called test_put!\n");
 163   dht_handle = GNUNET_DHT_connect (cfg,
 164                                    100);
 165   GNUNET_assert (NULL != dht_handle);
 166   put_handle = GNUNET_DHT_put (dht_handle,
 167                                &hash,
 168                                1,
 169                                GNUNET_DHT_RO_NONE,
 170                                GNUNET_BLOCK_TYPE_TEST,
 171                                data_size,
 172                                data,
 173                                GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
 174                                &test_get,
 175                                NULL);
 176   GNUNET_free (data);
 177 }
 178
 179
 180 int
 181 main (int argc,
 182       char *argv[])
 183 {
 184   if (0 != GNUNET_TESTING_peer_run ("test-dht-api",
 185                                     "test_dht_api_data.conf",
 186                                     &run, NULL))
 187     return 1;
 188   return ok;
 189 }
 190
 191 /* end of test_dht_api.c */