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 /**
  16  * @file dht/test_dht_api.c
  17  * @brief base test case for dht api
  18  * @author Christian Grothoff
  19  *
  20  * This test case tests DHT api to DUMMY DHT service communication.
  21  */
  22 #include "platform.h"
  23 #include "gnunet_util_lib.h"
  24 #include "gnunet_hello_lib.h"
  25 #include "gnunet_testing_lib.h"
  26 #include "gnunet_dht_service.h"
  27
  28
  29 /**
  30  * How long until we really give up on a particular testcase portion?
  31  */
  32 #define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
  33
  34 static struct GNUNET_DHT_Handle *dht_handle;
  35
  36 static struct GNUNET_DHT_GetHandle *get_handle;
  37
  38 static struct GNUNET_DHT_PutHandle *put_handle;
  39
  40 static int ok = 1;
  41
  42 static struct GNUNET_SCHEDULER_Task *die_task;
  43
  44
  45 static void
  46 do_shutdown (void *cls)
  47 {
  48   if (NULL != die_task)
  49   {
  50     GNUNET_SCHEDULER_cancel (die_task);
  51     die_task = NULL;
  52   }
  53   if (NULL != put_handle)
  54   {
  55     GNUNET_DHT_put_cancel (put_handle);
  56     put_handle = NULL;
  57   }
  58   if (NULL != get_handle)
  59   {
  60     GNUNET_DHT_get_stop (get_handle);
  61     get_handle = NULL;
  62   }
  63   GNUNET_DHT_disconnect (dht_handle);
  64   dht_handle = NULL;
  65 }
  66
  67
  68 static void
  69 end_badly (void *cls)
  70 {
  71   die_task = NULL;
  72   FPRINTF (stderr,
  73            "%s",
  74            "Ending on an unhappy note.\n");
  75   GNUNET_SCHEDULER_shutdown ();
  76   ok = 1;
  77 }
  78
  79
  80 static void
  81 test_get_iterator (void *cls,
  82                    struct GNUNET_TIME_Absolute exp,
  83                    const struct GNUNET_HashCode *key,
  84                    const struct GNUNET_PeerIdentity *get_path,
  85                    unsigned int get_path_length,
  86                    const struct GNUNET_PeerIdentity *put_path,
  87                    unsigned int put_path_length,
  88                    enum GNUNET_BLOCK_Type type,
  89                    size_t size,
  90                    const void *data)
  91 {
  92   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
  93               "test_get_iterator called (we got a result), stopping get request!\n");
  94   GNUNET_SCHEDULER_shutdown ();
  95   ok = 0;
  96 }
  97
  98
  99 /**
 100  * Signature of the main function of a task.
 101  *
 102  * @param cls closure
 103  */
 104 static void
 105 test_get (void *cls)
 106 {
 107   struct GNUNET_HashCode hash;
 108
 109   put_handle = NULL;
 110   memset (&hash,
 111           42,
 112           sizeof (struct GNUNET_HashCode));
 113   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 114               "Called test_get!\n");
 115   GNUNET_assert (dht_handle != NULL);
 116   get_handle = GNUNET_DHT_get_start (dht_handle,
 117                                      GNUNET_BLOCK_TYPE_TEST,
 118                                      &hash,
 119                                      1,
 120                                      GNUNET_DHT_RO_NONE,
 121                                      NULL,
 122                                      0,
 123                                      &test_get_iterator,
 124                                      NULL);
 125
 126   if (NULL == get_handle)
 127   {
 128     GNUNET_break (0);
 129     ok = 1;
 130     GNUNET_SCHEDULER_shutdown ();
 131     return;
 132   }
 133 }
 134
 135
 136 static void
 137 run (void *cls,
 138      const struct GNUNET_CONFIGURATION_Handle *cfg,
 139      struct GNUNET_TESTING_Peer *peer)
 140 {
 141   struct GNUNET_HashCode hash;
 142   char *data;
 143   size_t data_size = 42;
 144
 145   GNUNET_assert (ok == 1);
 146   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
 147                                  NULL);
 148   die_task = GNUNET_SCHEDULER_add_delayed (TOTAL_TIMEOUT,
 149                                            &end_badly,
 150                                            NULL);
 151   memset (&hash,
 152           42,
 153           sizeof (struct GNUNET_HashCode));
 154   data = GNUNET_malloc (data_size);
 155   memset (data, 43, data_size);
 156   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 157               "Called test_put!\n");
 158   dht_handle = GNUNET_DHT_connect (cfg,
 159                                    100);
 160   GNUNET_assert (NULL != dht_handle);
 161   put_handle = GNUNET_DHT_put (dht_handle,
 162                                &hash,
 163                                1,
 164                                GNUNET_DHT_RO_NONE,
 165                                GNUNET_BLOCK_TYPE_TEST,
 166                                data_size,
 167                                data,
 168                                GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
 169                                &test_get,
 170                                NULL);
 171   GNUNET_free (data);
 172 }
 173
 174
 175 int
 176 main (int argc,
 177       char *argv[])
 178 {
 179   if (0 != GNUNET_TESTING_peer_run ("test-dht-api",
 180                                     "test_dht_api_data.conf",
 181                                     &run, NULL))
 182     return 1;
 183   return ok;
 184 }
 185
 186 /* end of test_dht_api.c */