2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
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.
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.
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.
21 * @file transport/test_plugin_transport.c
22 * @brief testcase for transport_api.c
23 * @author Sailor Siraj
24 * @author Christian Grothoff
28 #include "gnunet_common.h"
29 #include "gnunet_constants.h"
30 #include "gnunet_util_lib.h"
31 #include "gnunet_hello_lib.h"
32 #include "gnunet_peerinfo_service.h"
33 #include "gnunet_statistics_service.h"
34 #include "gnunet_protocols.h"
35 #include "gnunet_signatures.h"
36 #include "gnunet_transport_plugin.h"
38 #include "transport.h"
41 * How long until we give up on transmitting the message?
43 #define WAIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
44 #define TIMEOUT GNUNET_TIME_relative_multiply (WAIT, 3)
49 static struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded my_public_key;
54 static struct GNUNET_PeerIdentity my_identity;
59 static struct GNUNET_CRYPTO_RsaPrivateKey *my_private_key;
64 const struct GNUNET_CONFIGURATION_Handle *cfg;
69 struct GNUNET_STATISTICS_Handle *stats;
74 struct GNUNET_HELLO_Message *hello;
77 * Number of neighbours we'd like to have.
79 static uint32_t max_connect_per_transport;
82 * Environment for this plugin.
84 struct GNUNET_TRANSPORT_PluginEnvironment env;
87 *handle for the api provided by this plugin
89 struct GNUNET_TRANSPORT_PluginFunctions *api;
94 struct GNUNET_HELPER_Handle *suid_helper;
99 static GNUNET_SCHEDULER_TaskIdentifier timeout_task;
104 static GNUNET_SCHEDULER_TaskIdentifier timeout_wait;
109 static char *libname;
112 * Plugin addresses head
114 struct AddressWrapper *head;
117 * Plugin addresses tail
119 struct AddressWrapper *tail;
121 unsigned int addresses_reported;
124 * Did the test pass or fail?
129 struct AddressWrapper
131 struct AddressWrapper *next;
133 struct AddressWrapper *prev;
145 struct AddressWrapper *w;
148 if (GNUNET_SCHEDULER_NO_TASK != timeout_task)
150 GNUNET_SCHEDULER_cancel (timeout_task);
151 timeout_task = GNUNET_SCHEDULER_NO_TASK;
154 GNUNET_PLUGIN_unload (libname, api);
159 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
160 _("Plugin did not remove address `%s' \n"), w->addrstring);
161 GNUNET_CONTAINER_DLL_remove (head, tail, w);
163 GNUNET_free (w->addr);
164 GNUNET_free (w->addrstring);
170 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
171 _("Plugin did not remove %u addresses \n"), c);
175 GNUNET_free (libname);
177 GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
180 if (NULL != suid_helper)
182 GNUNET_HELPER_stop (suid_helper);
190 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
192 struct AddressWrapper *w;
194 timeout_task = GNUNET_SCHEDULER_NO_TASK;
195 if (GNUNET_SCHEDULER_NO_TASK != timeout_wait)
197 GNUNET_SCHEDULER_cancel (timeout_wait);
198 timeout_wait = GNUNET_SCHEDULER_NO_TASK;
203 GNUNET_PLUGIN_unload (libname, api);
204 GNUNET_free (libname);
211 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
212 _("Plugin did not remove address `%s' \n"), w->addrstring);
213 GNUNET_CONTAINER_DLL_remove (head, tail, w);
215 GNUNET_free (w->addr);
216 GNUNET_free (w->addrstring);
222 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
223 _("Plugin did not remove %u addresses \n"), c);
228 GNUNET_STATISTICS_destroy (stats, GNUNET_NO);
232 if (NULL != suid_helper)
234 GNUNET_HELPER_stop (suid_helper);
242 wait_end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
244 timeout_wait = GNUNET_SCHEDULER_NO_TASK;
245 if (0 == addresses_reported)
246 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
247 _("Plugin did not report any addresses, could not check address conversion functions\n"));
255 if (GNUNET_SCHEDULER_NO_TASK != timeout_wait)
257 GNUNET_SCHEDULER_cancel (timeout_wait);
258 timeout_wait = GNUNET_SCHEDULER_NO_TASK;
260 if (GNUNET_SCHEDULER_NO_TASK != timeout_task)
262 GNUNET_SCHEDULER_cancel (timeout_task);
263 timeout_task = GNUNET_SCHEDULER_NO_TASK;
265 timeout_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
269 static struct GNUNET_TIME_Relative
270 env_receive (void *cls,
271 const struct GNUNET_PeerIdentity *peer,
272 const struct GNUNET_MessageHeader *message,
273 const struct GNUNET_ATS_Information *ats,
275 struct Session * session,
276 const char *sender_address,
277 uint16_t sender_address_len)
280 return GNUNET_TIME_relative_get_zero_();
285 env_notify_address (void *cls,
291 struct AddressWrapper *w;
296 if (GNUNET_YES == add_remove)
298 addresses_reported ++;
299 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
300 _("Adding address of length %u\n"), addrlen);
302 w = GNUNET_malloc (sizeof (struct AddressWrapper));
303 w->addr = GNUNET_malloc (addrlen);
304 w->addrlen = addrlen;
305 memcpy (w->addr, addr, addrlen);
306 GNUNET_CONTAINER_DLL_insert(head, tail, w);
308 a2s = strdup (api->address_to_string (api, w->addr, w->addrlen));
312 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
313 _("Plugin cannot convert address to string!\n"));
317 w->addrstring = strdup (api->address_to_string (api, w->addr, w->addrlen));
318 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
319 _("Plugin added address `%s'\n"), a2s);
321 if ((GNUNET_OK != api->string_to_address (api, a2s, strlen (a2s)+1, &s2a, &s2a_len)) || (NULL == s2a))
324 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
325 _("Plugin cannot convert string to address!\n"));
330 if (s2a_len != w->addrlen)
332 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
333 _("Plugin creates different address length when converting address->string->address: %u != %u\n"), w->addrlen, s2a_len);
337 if (0 != memcmp (s2a, w->addr, s2a_len))
338 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
339 _("Plugin creates different address length when connecting back and forth!\n"));
343 if (GNUNET_OK != api->check_address (api->cls, w->addr, w->addrlen))
346 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
347 _("Plugin refuses added address!\n"));
351 if (GNUNET_SCHEDULER_NO_TASK != timeout_wait)
353 GNUNET_SCHEDULER_cancel (timeout_wait);
354 timeout_wait = GNUNET_SCHEDULER_NO_TASK;
356 timeout_wait = GNUNET_SCHEDULER_add_delayed (WAIT, &wait_end, NULL);
358 else if (GNUNET_NO == add_remove)
360 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
361 _("Removing address of length %u\n"), addrlen);
366 if ((addrlen == w->addrlen) && (0 == memcmp (w->addr, addr, addrlen)))
376 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
377 _("Plugin removes address never added!\n"));
382 GNUNET_CONTAINER_DLL_remove (head, tail, w);
383 GNUNET_free (w->addr);
384 GNUNET_free (w->addrstring);
390 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
391 _("Invalid operation: %u \n"), add_remove);
397 struct GNUNET_ATS_Information
398 env_get_address_type (void *cls,
399 const struct sockaddr *addr,
402 struct GNUNET_ATS_Information ats;
403 ats.type = htonl (GNUNET_ATS_NETWORK_TYPE);
404 ats.value = htonl (GNUNET_ATS_NET_LOOPBACK);
408 const struct GNUNET_MessageHeader *
409 env_get_our_hello (void)
411 return (const struct GNUNET_MessageHeader *) hello;
414 void env_session_end (void *cls,
415 const struct GNUNET_PeerIdentity *peer,
416 struct Session * session)
422 setup_plugin_environment ()
426 env.my_identity = &my_identity;
427 env.max_connections = max_connect_per_transport;
430 env.receive = &env_receive;
431 env.notify_address = &env_notify_address;
432 env.get_address_type = &env_get_address_type;
433 env.get_our_hello = &env_get_our_hello;
434 env.session_end = &env_session_end;
438 handle_helper_message (void *cls, void *client,
439 const struct GNUNET_MessageHeader *hdr)
448 * @param c configuration to use
451 run (void *cls, char *const *args, const char *cfgfile,
452 const struct GNUNET_CONFIGURATION_Handle *c)
454 char *const *argv = cls;
455 unsigned long long tneigh;
460 timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, end_badly, NULL);
463 /* parse configuration */
464 if ((GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (c,
468 (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (c,
469 "GNUNETD", "HOSTKEY",
472 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
473 _("Transport service is lacking key configuration settings. Exiting.\n"));
478 stats = GNUNET_STATISTICS_create ("transport", cfg);
481 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
482 _("Could not create statistics. Exiting.\n"));
487 max_connect_per_transport = (uint32_t) tneigh;
488 my_private_key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
489 GNUNET_free (keyfile);
490 if (my_private_key == NULL)
492 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
493 _("Transport service could not access hostkey. Exiting.\n"));
497 GNUNET_CRYPTO_rsa_key_get_public (my_private_key, &my_public_key);
498 GNUNET_CRYPTO_hash (&my_public_key, sizeof (my_public_key),
499 &my_identity.hashPubKey);
502 hello = GNUNET_HELLO_create(&my_public_key, NULL, NULL);
504 /* load plugins... */
505 setup_plugin_environment ();
507 GNUNET_assert (strlen (argv[0]) > strlen ("test_plugin_"));
508 plugin = strstr(argv[0],"test_plugin_");
509 sep = strrchr(argv[0],'.');
512 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Not a valid test name\n"));
516 plugin += strlen ("test_plugin_");
520 /* Hack for WLAN: start a second helper */
521 if (0 == strcmp (plugin, "wlan"))
523 char * helper_argv[3];
524 helper_argv[0] = (char *) "gnunet-helper-transport-wlan-dummy";
525 helper_argv[1] = (char *) "2";
526 helper_argv[2] = NULL;
527 suid_helper = GNUNET_HELPER_start ("gnunet-helper-transport-wlan-dummy",
529 &handle_helper_message,
536 GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Loading transport plugin %s\n"), plugin);
537 GNUNET_asprintf (&libname, "libgnunet_plugin_transport_%s", plugin);
538 api = GNUNET_PLUGIN_load (libname, &env);
541 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
542 _("Failed to load transport plugin for %s\n"), plugin);
547 timeout_wait = GNUNET_SCHEDULER_add_delayed (WAIT, &wait_end, NULL);
549 /* Check if all functions are implemented */
550 if (NULL == api->address_pretty_printer)
556 if (NULL == api->address_to_string)
562 GNUNET_assert (NULL != api->check_address);
563 if (NULL == api->check_address)
569 GNUNET_assert (NULL != api->disconnect);
570 if (NULL == api->disconnect)
576 GNUNET_assert (NULL != api->get_session);
577 if (NULL == api->get_session)
583 if (NULL == api->address_pretty_printer)
589 if (NULL == api->string_to_address)
599 * The main function for the transport service.
601 * @param argc number of arguments from the command line
602 * @param argv command line arguments
603 * @return 0 ok, 1 on error
606 main (int argc, char *const *argv)
608 static struct GNUNET_GETOPT_CommandLineOption options[] = {
609 GNUNET_GETOPT_OPTION_END
613 char *const argv_prog[] = {
614 "test_plugin_transport",
616 "test_plugin_transport_data.conf",
620 GNUNET_log_setup ("test-plugin-transport",
623 ok = 1; /* set to fail */
624 ret = (GNUNET_OK == GNUNET_PROGRAM_run (5,
626 "test-plugin-transport",
630 (void *) argv)) ? ok : 1;
631 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-plugin-transport");
635 /* end of test_plugin_transport.c */