src/transport/test_plugin_transport.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 2, 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 transport/test_transport_api.c
  22  * @brief testcase for transport_api.c
  23  * @author Sailor Siraj
  24  */
  25
  26 #include "platform.h"
  27 #include "gnunet_constants.h"
  28 #include "gnunet_getopt_lib.h"
  29 #include "gnunet_hello_lib.h"
  30 #include "gnunet_os_lib.h"
  31 #include "gnunet_peerinfo_service.h"
  32 #include "gnunet_plugin_lib.h"
  33 #include "gnunet_protocols.h"
  34 #include "gnunet_service_lib.h"
  35 #include "gnunet_signatures.h"
  36 #include "plugin_transport.h"
  37 #include "transport.h"
  38
  39 /**
  40  * Our public key.
  41  */
  42 static struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *my_public_key;
  43
  44 /**
  45  * Our identity.
  46  */
  47 static struct GNUNET_PeerIdentity my_identity;
  48
  49 /**
  50  * Our private key.
  51  */
  52 static struct GNUNET_CRYPTO_RsaPrivateKey *my_private_key;
  53
  54 /**
  55  * Our scheduler.
  56  */
  57 struct GNUNET_SCHEDULER_Handle *sched;
  58
  59 /**
  60  * Our configuration.
  61  */
  62 struct GNUNET_CONFIGURATION_Handle *cfg;
  63
  64
  65
  66 /**
  67  * All loaded plugins.
  68  */
  69 static struct TransportPlugin *plugins;
  70
  71 /**
  72  * Our server.
  73  */
  74 static struct GNUNET_SERVER_Handle *server;
  75
  76
  77
  78 /**
  79  * Number of neighbours we'd like to have.
  80  */
  81 static uint32_t max_connect_per_transport;
  82
  83 /**
  84  * Environment for this plugin.
  85  */
  86 struct GNUNET_TRANSPORT_PluginEnvironment env;
  87
  88 /**
  89  *handle for the api provided by this plugin
  90  */
  91 struct GNUNET_TRANSPORT_PluginFunctions *api;
  92
  93 /**
  94  * Initialize Environment for this plugin
  95  */
  96 struct ReadyList *
  97 receive(void *cls,void *plugin_context,
  98         struct ReadyList *
  99         service_context,
 100         struct GNUNET_TIME_Relative
 101         latency,
 102         const struct GNUNET_PeerIdentity
 103         * peer,
 104         const struct GNUNET_MessageHeader
 105         * message)
 106 {
 107   return NULL;
 108 }
 109
 110 void notify_address(void *cls,
 111                     const char *name,
 112                     const void *addr,
 113                     size_t addrlen,
 114                     struct
 115                     GNUNET_TIME_Relative
 116                     expires)
 117 {
 118 }
 119
 120 void lookup (void *cls,
 121              struct GNUNET_TIME_Relative
 122              timeout,
 123              const struct
 124              GNUNET_PeerIdentity * target,
 125              GNUNET_TRANSPORT_AddressCallback
 126              iter, void *iter_cls)
 127 {
 128 }
 129
 130
 131 static void setup_plugin_environment()
 132 {
 133   env.cfg  = cfg;
 134   env.sched = sched;
 135   env.my_public_key = my_public_key;
 136   env.cls=&env;
 137   env.receive=&receive;
 138   env.lookup=&lookup;
 139   env.notify_address=&notify_address;
 140   env.max_connections = max_connect_per_transport;
 141 }
 142
 143
 144 /**
 145  * Initiate transport service.
 146  *
 147  * @param cls closure
 148  * @param s scheduler to use
 149  * @param serv the initialized server
 150  * @param c configuration to use
 151  */
 152 static void
 153 run (void *cls,
 154      struct GNUNET_SCHEDULER_Handle *s,
 155      struct GNUNET_SERVER_Handle *serv, struct GNUNET_CONFIGURATION_Handle *c)
 156 {
 157   unsigned long long tneigh;
 158   char *keyfile;
 159   char *libname;
 160
 161   sched = s;
 162   cfg = c;
 163   server = serv;
 164   /* parse configuration */
 165   if ((GNUNET_OK !=
 166        GNUNET_CONFIGURATION_get_value_number (c,
 167                                               "TRANSPORT",
 168                                               "NEIGHBOUR_LIMIT",
 169                                               &tneigh)) ||
 170       (GNUNET_OK !=
 171        GNUNET_CONFIGURATION_get_value_filename (c,
 172                                                 "GNUNETD",
 173                                                 "HOSTKEY", &keyfile)))
 174     {
 175       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 176                   _("Transport service is lacking key configuration settings.  Exiting.\n"));
 177       GNUNET_SCHEDULER_shutdown (s);
 178       return;
 179     }
 180   max_connect_per_transport = (uint32_t) tneigh;
 181   my_private_key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
 182   GNUNET_free (keyfile);
 183   if (my_private_key == NULL)
 184     {
 185       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 186                   _("Transport service could not access hostkey.  Exiting.\n"));
 187       GNUNET_SCHEDULER_shutdown (s);
 188       return;
 189     }
 190   GNUNET_CRYPTO_rsa_key_get_public (my_private_key, &my_public_key);
 191   GNUNET_CRYPTO_hash (&my_public_key,
 192                       sizeof (my_public_key), &my_identity.hashPubKey);
 193
 194
 195
 196   /* load plugins... */
 197   setup_plugin_environment();
 198   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
 199               _("Loading tcp transport plugin\n"));
 200   GNUNET_asprintf (&libname, "libgnunet_plugin_transport_tcp");
 201
 202   api = GNUNET_PLUGIN_load(libname, &env);
 203   if (api == NULL)
 204     {
 205       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
 206                   _("Failed to load transport plugin for tcp\n"));
 207     }
 208
 209 }
 210
 211
 212 /**
 213  * Function called when the service shuts
 214  * down.  Unloads our plugins.
 215  *
 216  * @param cls closure
 217  * @param cfg configuration to use
 218  */
 219 static void
 220 unload_plugins (void *cls, struct GNUNET_CONFIGURATION_Handle *cfg)
 221 {
 222   GNUNET_assert (NULL == GNUNET_PLUGIN_unload ("libgnunet_plugin_transport_tcp",api));
 223   if (my_private_key != NULL)
 224     GNUNET_CRYPTO_rsa_key_free (my_private_key);
 225
 226 }
 227
 228
 229 /**
 230  * The main function for the transport service.
 231  *
 232  * @param argc number of arguments from the command line
 233  * @param argv command line arguments
 234  * @return 0 ok, 1 on error
 235  */
 236 int
 237 main (int argc, char *const *argv)
 238 {
 239   GNUNET_log_setup ("test-puglin-transport",
 240 #if VERBOSE
 241                     "DEBUG",
 242 #else
 243                     "WARNING",
 244 #endif
 245                     NULL);
 246   return (GNUNET_OK ==
 247           GNUNET_SERVICE_run (argc,
 248                               argv,
 249                               "transport",
 250                               &run, NULL, &unload_plugins, NULL)) ? 0 : 1;
 251 }
 252
 253 /* end of test_plugin_transport.c */