src/namestore/test_namestore_api_remove.c

   1 /*
   2      This file is part of GNUnet.
   3      (C) 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 3, 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  * @file namestore/test_namestore_api.c
  22  * @brief testcase for namestore_api.c to remove record
  23  */
  24 #include "platform.h"
  25 #include "gnunet_common.h"
  26 #include "gnunet_namestore_service.h"
  27 #include "gnunet_testing_lib.h"
  28
  29 #define TEST_RECORD_TYPE 1234
  30
  31 #define TEST_RECORD_DATALEN 123
  32
  33 #define TEST_RECORD_DATA 'a'
  34
  35 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 100)
  36
  37
  38 static struct GNUNET_NAMESTORE_Handle *nsh;
  39
  40 static GNUNET_SCHEDULER_TaskIdentifier endbadly_task;
  41
  42 static struct GNUNET_CRYPTO_EccPrivateKey *privkey;
  43
  44 static struct GNUNET_CRYPTO_EccPublicKey pubkey;
  45
  46 static struct GNUNET_HashCode derived_hash;
  47
  48 static int res;
  49
  50 static int removed;
  51
  52 static struct GNUNET_NAMESTORE_QueueEntry *nsqe;
  53
  54
  55 static void
  56 cleanup ()
  57 {
  58   if (NULL != nsh)
  59   {
  60     GNUNET_NAMESTORE_disconnect (nsh);
  61     nsh = NULL;
  62   }
  63   if (NULL != privkey)
  64   {
  65     GNUNET_free (privkey);
  66     privkey = NULL;
  67   }
  68   GNUNET_SCHEDULER_shutdown ();
  69 }
  70
  71
  72 /**
  73  * Re-establish the connection to the service.
  74  *
  75  * @param cls handle to use to re-connect.
  76  * @param tc scheduler context
  77  */
  78 static void
  79 endbadly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  80 {
  81   if (NULL != nsqe)
  82   {
  83     GNUNET_NAMESTORE_cancel (nsqe);
  84     nsqe = NULL;
  85   }
  86   cleanup ();
  87   res = 1;
  88 }
  89
  90
  91 static void
  92 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  93 {
  94   cleanup ();
  95   res = 0;
  96 }
  97
  98 static void
  99 name_lookup_proc (void *cls, const struct GNUNET_NAMESTORE_Block *block);
 100
 101 static void
 102 remove_cont (void *cls, int32_t success, const char *emsg)
 103 {
 104   const char *name = cls;
 105
 106   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 107               "Records were removed, perform lookup\n");
 108
 109   removed = GNUNET_YES;
 110   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 111                                          &name_lookup_proc, (void *) name);
 112 }
 113
 114
 115 static void
 116 rd_decrypt_cb (void *cls,
 117                                                  unsigned int rd_count,
 118                                                  const struct GNUNET_NAMESTORE_RecordData *rd)
 119 {
 120   const char *name = cls;
 121   char rd_cmp_data[TEST_RECORD_DATALEN];
 122   if (GNUNET_NO == removed)
 123   {
 124         GNUNET_assert (1 == rd_count);
 125         GNUNET_assert (NULL != rd);
 126
 127                 memset (rd_cmp_data, 'a', TEST_RECORD_DATALEN);
 128
 129                 GNUNET_assert (TEST_RECORD_TYPE == rd[0].record_type);
 130                 GNUNET_assert (TEST_RECORD_DATALEN == rd[0].data_size);
 131                 GNUNET_assert (0 == memcmp (&rd_cmp_data, rd[0].data, TEST_RECORD_DATALEN));
 132
 133                 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 134                                         "Block was decrypted successfully, removing records \n");
 135
 136                 nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, name,
 137                                                                 0, NULL, &remove_cont, (void *) name);
 138   }
 139   else
 140   {
 141         GNUNET_assert (0 == rd_count);
 142
 143                 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 144                                         "Record was removed \n");
 145
 146         GNUNET_SCHEDULER_add_now (&end, NULL);
 147   }
 148 }
 149
 150 static void
 151 name_lookup_proc (void *cls,
 152                                                                         const struct GNUNET_NAMESTORE_Block *block)
 153 {
 154   const char *name = cls;
 155   nsqe = NULL;
 156
 157   GNUNET_assert (NULL != cls);
 158
 159   if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 160   {
 161     GNUNET_SCHEDULER_cancel (endbadly_task);
 162     endbadly_task = GNUNET_SCHEDULER_NO_TASK;
 163   }
 164
 165   if (NULL == block)
 166   {
 167     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 168               "Namestore returned no block\n");
 169     if (endbadly_task != GNUNET_SCHEDULER_NO_TASK)
 170       GNUNET_SCHEDULER_cancel (endbadly_task);
 171       endbadly_task =  GNUNET_SCHEDULER_add_now (&endbadly, NULL);
 172   }
 173
 174   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 175               "Namestore returned block, decrypting \n");
 176
 177         GNUNET_assert (GNUNET_OK == GNUNET_NAMESTORE_block_decrypt(block,
 178                 &pubkey, name, &rd_decrypt_cb, (void *) name));
 179 }
 180
 181 static void
 182 put_cont (void *cls, int32_t success, const char *emsg)
 183 {
 184   const char *name = cls;
 185
 186   GNUNET_assert (NULL != cls);
 187
 188   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 189               "Name store added record for `%s': %s\n",
 190               name,
 191               (success == GNUNET_OK) ? "SUCCESS" : "FAIL");
 192
 193   /* Create derived hash */
 194   GNUNET_NAMESTORE_query_from_private_key (privkey, name, &derived_hash);
 195
 196   nsqe = GNUNET_NAMESTORE_lookup_block (nsh, &derived_hash,
 197                                          &name_lookup_proc, (void *) name);
 198 }
 199
 200
 201 static void
 202 run (void *cls,
 203      const struct GNUNET_CONFIGURATION_Handle *cfg,
 204      struct GNUNET_TESTING_Peer *peer)
 205 {
 206   struct GNUNET_NAMESTORE_RecordData rd;
 207   char *hostkey_file;
 208   const char * name = "dummy.dummy.gnunet";
 209
 210   endbadly_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
 211                                                 &endbadly, NULL);
 212   GNUNET_asprintf (&hostkey_file,
 213                    "zonefiles%s%s",
 214                    DIR_SEPARATOR_STR,
 215                    "N0UJMP015AFUNR2BTNM3FKPBLG38913BL8IDMCO2H0A1LIB81960.zkey");
 216   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Using zonekey file `%s' \n", hostkey_file);
 217   privkey = GNUNET_CRYPTO_ecc_key_create_from_file (hostkey_file);
 218   GNUNET_free (hostkey_file);
 219   GNUNET_assert (privkey != NULL);
 220   GNUNET_CRYPTO_ecc_key_get_public (privkey, &pubkey);
 221
 222   removed = GNUNET_NO;
 223
 224   rd.expiration_time = GNUNET_TIME_absolute_get().abs_value_us;
 225   rd.record_type = TEST_RECORD_TYPE;
 226   rd.data_size = TEST_RECORD_DATALEN;
 227   rd.data = GNUNET_malloc (TEST_RECORD_DATALEN);
 228   memset ((char *) rd.data, 'a', TEST_RECORD_DATALEN);
 229
 230   nsh = GNUNET_NAMESTORE_connect (cfg);
 231   GNUNET_break (NULL != nsh);
 232   nsqe = GNUNET_NAMESTORE_records_store (nsh, privkey, name,
 233                                       1, &rd, &put_cont, (void *) name);
 234   GNUNET_free ((void *)rd.data);
 235 }
 236
 237
 238 int
 239 main (int argc, char *argv[])
 240 {
 241   res = 1;
 242   if (0 !=
 243       GNUNET_TESTING_service_run ("test-namestore-api",
 244                                   "namestore",
 245                                   "test_namestore_api.conf",
 246                                   &run,
 247                                   NULL))
 248     return 1;
 249   return res;
 250 }
 251
 252 /* end of test_namestore_api.c */