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, \
  38                                                      60)
  39
  40 static struct GNUNET_DHT_Handle *dht_handle;
  41
  42 static struct GNUNET_DHT_GetHandle *get_handle;
  43
  44 static struct GNUNET_DHT_PutHandle *put_handle;
  45
  46 static int ok = 1;
  47
  48 static struct GNUNET_SCHEDULER_Task *die_task;
  49
  50
  51 static void
  52 do_shutdown (void *cls)
  53 {
  54   if (NULL != die_task)
  55   {
  56     GNUNET_SCHEDULER_cancel (die_task);
  57     die_task = NULL;
  58   }
  59   if (NULL != put_handle)
  60   {
  61     GNUNET_DHT_put_cancel (put_handle);
  62     put_handle = NULL;
  63   }
  64   if (NULL != get_handle)
  65   {
  66     GNUNET_DHT_get_stop (get_handle);
  67     get_handle = NULL;
  68   }
  69   GNUNET_DHT_disconnect (dht_handle);
  70   dht_handle = NULL;
  71 }
  72
  73
  74 static void
  75 end_badly (void *cls)
  76 {
  77   die_task = NULL;
  78   fprintf (stderr,
  79            "%s",
  80            "Ending on an unhappy note.\n");
  81   GNUNET_SCHEDULER_shutdown ();
  82   ok = 1;
  83 }
  84
  85
  86 static void
  87 test_get_iterator (void *cls,
  88                    struct GNUNET_TIME_Absolute exp,
  89                    const struct GNUNET_HashCode *key,
  90                    const struct GNUNET_PeerIdentity *get_path,
  91                    unsigned int get_path_length,
  92                    const struct GNUNET_PeerIdentity *put_path,
  93                    unsigned int put_path_length,
  94                    enum GNUNET_BLOCK_Type type,
  95                    size_t size,
  96                    const void *data)
  97 {
  98   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  99               "test_get_iterator called (we got a result), stopping get request!\n");
 100   GNUNET_SCHEDULER_shutdown ();
 101   ok = 0;
 102 }
 103
 104
 105 /**
 106  * Signature of the main function of a task.
 107  *
 108  * @param cls closure
 109  */
 110 static void
 111 test_get (void *cls)
 112 {
 113   struct GNUNET_HashCode hash;
 114
 115   put_handle = NULL;
 116   memset (&hash,
 117           42,
 118           sizeof(struct GNUNET_HashCode));
 119   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 120               "Called test_get!\n");
 121   GNUNET_assert (dht_handle != NULL);
 122   get_handle = GNUNET_DHT_get_start (dht_handle,
 123                                      GNUNET_BLOCK_TYPE_TEST,
 124                                      &hash,
 125                                      1,
 126                                      GNUNET_DHT_RO_NONE,
 127                                      NULL,
 128                                      0,
 129                                      &test_get_iterator,
 130                                      NULL);
 131
 132   if (NULL == get_handle)
 133   {
 134     GNUNET_break (0);
 135     ok = 1;
 136     GNUNET_SCHEDULER_shutdown ();
 137     return;
 138   }
 139 }
 140
 141
 142 static void
 143 run (void *cls,
 144      const struct GNUNET_CONFIGURATION_Handle *cfg,
 145      struct GNUNET_TESTING_Peer *peer)
 146 {
 147   struct GNUNET_HashCode hash;
 148   char *data;
 149   size_t data_size = 42;
 150
 151   GNUNET_assert (ok == 1);
 152   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
 153                                  NULL);
 154   die_task = GNUNET_SCHEDULER_add_delayed (TOTAL_TIMEOUT,
 155                                            &end_badly,
 156                                            NULL);
 157   memset (&hash,
 158           42,
 159           sizeof(struct GNUNET_HashCode));
 160   data = GNUNET_malloc (data_size);
 161   memset (data, 43, data_size);
 162   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 163               "Called test_put!\n");
 164   dht_handle = GNUNET_DHT_connect (cfg,
 165                                    100);
 166   GNUNET_assert (NULL != dht_handle);
 167   put_handle = GNUNET_DHT_put (dht_handle,
 168                                &hash,
 169                                1,
 170                                GNUNET_DHT_RO_NONE,
 171                                GNUNET_BLOCK_TYPE_TEST,
 172                                data_size,
 173                                data,
 174                                GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
 175                                &test_get,
 176                                NULL);
 177   GNUNET_free (data);
 178 }
 179
 180
 181 int
 182 main (int argc,
 183       char *argv[])
 184 {
 185   if (0 != GNUNET_TESTING_peer_run ("test-dht-api",
 186                                     "test_dht_api_data.conf",
 187                                     &run, NULL))
 188     return 1;
 189   return ok;
 190 }
 191
 192
 193 /* end of test_dht_api.c */