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 gns/test_gns_dht_threepeer.c
22 * @brief tests dht lookup over 3 peers
25 * alice <----> bob <-----> dave
27 * alice queries for www.buddy.bob.gads
31 #include "gnunet_common.h"
32 #include "gnunet_disk_lib.h"
33 #include "gnunet_testing_lib.h"
34 #include "gnunet_testbed_service.h"
35 #include "gnunet_core_service.h"
36 #include "gnunet_dht_service.h"
37 #include "block_dns.h"
38 #include "gnunet_signatures.h"
39 #include "gnunet_namestore_service.h"
40 #include "gnunet_dnsparser_lib.h"
41 #include "gnunet_gns_service.h"
43 #define ZONE_PUT_WAIT_TIME GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10)
45 #define TEST_DOMAIN "www.buddy.bob.gads"
46 #define TEST_IP "1.1.1.1"
47 #define TEST_DAVE_PSEU "hagbard"
50 /* Timeout for entire testcase */
51 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 60)
52 #define SETUP_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10)
54 /* Global return value (0 for success, anything else for failure) */
57 /* Task handle to use to schedule test failure */
58 static GNUNET_SCHEDULER_TaskIdentifier die_task;
60 static GNUNET_SCHEDULER_TaskIdentifier wait_task;
62 static GNUNET_SCHEDULER_TaskIdentifier setup_task;
64 static struct GNUNET_CRYPTO_ShortHashCode dave_hash;
66 static struct GNUNET_CRYPTO_ShortHashCode bob_hash;
68 static struct GNUNET_TESTBED_Peer **cpeers;
70 static struct GNUNET_GNS_Handle *gh;
71 static struct GNUNET_GNS_LookupRequest *lookup_handle;
73 static struct GNUNET_TESTBED_Operation *get_cfg_ops[3];
74 static struct GNUNET_TESTBED_Operation *connect_ops[3];
75 static struct GNUNET_CONFIGURATION_Handle *cfg_handles[3];
76 static struct GNUNET_NAMESTORE_Handle *nh[3];
78 static int dave_is_setup;
79 static int bob_is_setup;
80 static int alice_is_setup;
83 * Check if the get_handle is being used, if so stop the request. Either
84 * way, schedule the end_badly_cont function which actually shuts down the
88 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
90 die_task = GNUNET_SCHEDULER_NO_TASK;
93 if (GNUNET_SCHEDULER_NO_TASK != wait_task)
95 GNUNET_SCHEDULER_cancel (wait_task);
96 wait_task = GNUNET_SCHEDULER_NO_TASK;
99 for (c = 0; c < 3; c++)
103 GNUNET_NAMESTORE_disconnect(nh[c]);
107 if (NULL != get_cfg_ops[c])
109 GNUNET_TESTBED_operation_done(get_cfg_ops[c]);
110 get_cfg_ops[c] = NULL;
112 if (NULL != connect_ops[c])
114 GNUNET_TESTBED_operation_done(connect_ops[c]);
115 connect_ops[c] = NULL;
117 if (NULL != cfg_handles[c])
119 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
120 cfg_handles[c] = NULL;
124 if (NULL != lookup_handle)
126 GNUNET_GNS_cancel_lookup_request (lookup_handle);
127 lookup_handle = NULL;
131 GNUNET_GNS_disconnect(gh);
135 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed \n");
136 GNUNET_SCHEDULER_shutdown ();
141 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
143 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finished\n");
145 if (GNUNET_SCHEDULER_NO_TASK != die_task)
147 GNUNET_SCHEDULER_cancel (die_task);
148 die_task = GNUNET_SCHEDULER_NO_TASK;
151 for (c = 0; c < 3; c++)
155 GNUNET_NAMESTORE_disconnect(nh[c]);
158 if (NULL != cfg_handles[c])
160 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
161 cfg_handles[c] = NULL;
167 GNUNET_GNS_disconnect(gh);
172 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test ended successful\n");
174 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed\n");
175 GNUNET_SCHEDULER_shutdown ();
179 setup_end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
181 setup_task = GNUNET_SCHEDULER_NO_TASK;
182 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Timeout during setup, test failed\n");
184 if (NULL != connect_ops[0])
186 GNUNET_TESTBED_operation_done (connect_ops[0]);
187 connect_ops[0] = NULL;
188 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not connect peer 0 and 1\n");
191 if (NULL != connect_ops[1])
193 GNUNET_TESTBED_operation_done (connect_ops[1]);
194 connect_ops[1] = NULL;
195 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not connect peer 1 and 2\n");
198 if (NULL != connect_ops[2])
200 GNUNET_TESTBED_operation_done (connect_ops[2]);
201 connect_ops[2] = NULL;
202 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not connect peer 0 and 2\n");
205 GNUNET_SCHEDULER_shutdown ();
212 GNUNET_SCHEDULER_add_now (&end, NULL);
217 disconnect_ns (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
220 GNUNET_NAMESTORE_disconnect (cls);
231 cont_ns (void* cls, int32_t s, const char* emsg)
233 GNUNET_SCHEDULER_add_now (&disconnect_ns, cls);
237 on_lookup_result(void *cls, uint32_t rd_count,
238 const struct GNUNET_NAMESTORE_RecordData *rd)
245 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
252 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
253 for (i=0; i<rd_count; i++)
255 string_val = GNUNET_NAMESTORE_value_to_string(rd[i].record_type,
258 if (0 == strcmp(string_val, TEST_IP))
260 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
261 "%s correctly resolved to %s!\n", TEST_DOMAIN, string_val);
264 GNUNET_free (string_val);
271 commence_testing(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
275 if ((ZONE_PUT_WAIT_TIME.rel_value / 1000) == wait)
277 fprintf (stderr, "\n");
278 wait_task = GNUNET_SCHEDULER_NO_TASK;
279 lookup_handle = GNUNET_GNS_lookup(gh, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
282 &on_lookup_result, TEST_DOMAIN);
283 if (GNUNET_SCHEDULER_NO_TASK != die_task)
284 GNUNET_SCHEDULER_cancel(die_task);
285 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, "from lookup");
289 fprintf (stderr, ".");
290 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
297 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Created all connections! Waiting for PUTs\n");
298 if (GNUNET_SCHEDULER_NO_TASK != setup_task)
300 GNUNET_SCHEDULER_cancel (setup_task);
301 setup_task = GNUNET_SCHEDULER_NO_TASK;
303 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
307 static void connect_peers ()
313 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers started\n");
315 connect_ops[0] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
319 connect_ops[1] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
323 connect_ops[2] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
330 setup_dave (const struct GNUNET_CONFIGURATION_Handle * cfg)
333 struct GNUNET_CRYPTO_RsaPrivateKey *key;
334 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
336 struct GNUNET_NAMESTORE_RecordData rd;
338 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave\n");
339 cfg_handles[0] = GNUNET_CONFIGURATION_dup (cfg);
340 GNUNET_assert (NULL != cfg_handles[0]);
341 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
345 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
346 return GNUNET_SYSERR;
349 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
353 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
354 GNUNET_free (keyfile);
355 return GNUNET_SYSERR;
357 nh[0] = GNUNET_NAMESTORE_connect (cfg_handles[0]);
360 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
361 GNUNET_CRYPTO_rsa_key_free (key);
362 GNUNET_free (keyfile);
363 return GNUNET_SYSERR;
366 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
367 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &dave_hash);
369 rd.expiration_time = UINT64_MAX;
371 web = GNUNET_malloc(sizeof(struct in_addr));
372 GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP, web));
373 rd.data_size = sizeof(struct in_addr);
375 rd.record_type = GNUNET_GNS_RECORD_A;
376 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
378 GNUNET_NAMESTORE_record_create (nh[0], key, "www", &rd, NULL, NULL);
380 rd.data_size = strlen(TEST_DAVE_PSEU);
381 rd.data = TEST_DAVE_PSEU;
382 rd.record_type = GNUNET_GNS_RECORD_PSEU;
385 GNUNET_NAMESTORE_record_create (nh[0], key, GNUNET_GNS_MASTERZONE_STR, &rd, &cont_ns, nh[0]);
387 GNUNET_CRYPTO_rsa_key_free(key);
388 GNUNET_free(keyfile);
390 dave_is_setup = GNUNET_YES;
391 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave done\n");
396 setup_bob (const struct GNUNET_CONFIGURATION_Handle * cfg)
399 struct GNUNET_CRYPTO_RsaPrivateKey *key;
400 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
401 struct GNUNET_NAMESTORE_RecordData rd;
403 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob\n");
404 cfg_handles[1] = GNUNET_CONFIGURATION_dup (cfg);
405 GNUNET_assert (NULL != cfg_handles[1]);
406 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
410 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
411 return GNUNET_SYSERR;
414 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
418 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
419 GNUNET_free (keyfile);
420 return GNUNET_SYSERR;
423 nh[1] = GNUNET_NAMESTORE_connect (cfg_handles[1]);
426 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
427 GNUNET_CRYPTO_rsa_key_free (key);
428 GNUNET_free (keyfile);
429 return GNUNET_SYSERR;
432 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
433 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &bob_hash);
435 rd.expiration_time = UINT64_MAX;
436 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
437 rd.data = &dave_hash;
438 rd.record_type = GNUNET_GNS_RECORD_PKEY;
439 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
441 GNUNET_NAMESTORE_record_create (nh[1], key, "buddy", &rd, &cont_ns, nh[1]);
443 GNUNET_CRYPTO_rsa_key_free(key);
444 GNUNET_free(keyfile);
445 bob_is_setup = GNUNET_YES;
446 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob done\n");
451 setup_alice (const struct GNUNET_CONFIGURATION_Handle * cfg)
454 struct GNUNET_CRYPTO_RsaPrivateKey *key;
455 struct GNUNET_NAMESTORE_RecordData rd;
457 cfg_handles[2] = GNUNET_CONFIGURATION_dup (cfg);
458 GNUNET_assert (NULL != cfg);
459 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
463 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
464 return GNUNET_SYSERR;
467 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
471 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
472 GNUNET_free (keyfile);
473 return GNUNET_SYSERR;
476 nh[2] = GNUNET_NAMESTORE_connect (cfg_handles[2]);
479 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
480 GNUNET_CRYPTO_rsa_key_free (key);
481 GNUNET_free (keyfile);
482 return GNUNET_SYSERR;
485 rd.expiration_time = UINT64_MAX;
486 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
488 rd.record_type = GNUNET_GNS_RECORD_PKEY;
489 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
491 GNUNET_NAMESTORE_record_create (nh[2], key, "bob", &rd, &cont_ns, nh[2]);
493 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice gns\n");
494 gh = GNUNET_GNS_connect (cfg_handles[2]);
497 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to gns\n");
498 GNUNET_CRYPTO_rsa_key_free (key);
499 GNUNET_free (keyfile);
500 return GNUNET_SYSERR;
503 GNUNET_CRYPTO_rsa_key_free (key);
504 GNUNET_free (keyfile);
505 alice_is_setup = GNUNET_YES;
506 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice done\n");
513 if (GNUNET_SCHEDULER_NO_TASK != die_task)
514 GNUNET_SCHEDULER_cancel (die_task);
515 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
520 * Callback to be called when the requested peer information is available
522 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
523 * @param op the operation this callback corresponds to
524 * @param pinfo the result; will be NULL if the operation has failed
525 * @param emsg error message if the operation has failed; will be NULL if the
526 * operation is successfull
529 peerinfo_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
530 const struct GNUNET_TESTBED_PeerInformation *pinfo,
534 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
535 if (GNUNET_NO == dave_is_setup)
536 res = setup_dave (pinfo->result.cfg);
537 else if (GNUNET_NO == bob_is_setup)
538 res = setup_bob (pinfo->result.cfg);
540 res = setup_alice (pinfo->result.cfg);
542 if (get_cfg_ops[0] == op)
543 get_cfg_ops[0] = NULL;
544 else if (get_cfg_ops[1] == op)
545 get_cfg_ops[1] = NULL;
547 get_cfg_ops[2] = NULL;
548 GNUNET_TESTBED_operation_done (op);
550 if (GNUNET_SYSERR == res)
552 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup peer \n");
557 /*if (get_cfg_ops[0] == op)
559 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
560 res = setup_dave (pinfo->result.cfg);
561 GNUNET_TESTBED_operation_done (get_cfg_ops[0]);
562 get_cfg_ops[0] = NULL;
563 if (GNUNET_SYSERR == res)
565 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
573 else if (get_cfg_ops[1] == op)
575 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
576 res = setup_bob (pinfo->result.cfg);
577 GNUNET_TESTBED_operation_done (get_cfg_ops[1]);
578 get_cfg_ops[1] = NULL;
579 if (GNUNET_SYSERR == res)
581 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
589 else if (get_cfg_ops[2] == op)
591 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
592 res = setup_alice (pinfo->result.cfg);
593 GNUNET_TESTBED_operation_done (get_cfg_ops[2]);
594 get_cfg_ops[2] = NULL;
595 if (GNUNET_SYSERR == res)
597 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
608 void testbed_master (void *cls,
609 unsigned int num_peers,
610 struct GNUNET_TESTBED_Peer **peers)
612 GNUNET_assert (NULL != peers);
615 setup_task = GNUNET_SCHEDULER_add_delayed (SETUP_TIMEOUT, &setup_end_badly, NULL);
618 GNUNET_assert (NULL != peers[0]);
619 get_cfg_ops[0] = GNUNET_TESTBED_peer_get_information (peers[0],
620 GNUNET_TESTBED_PIT_CONFIGURATION,
624 GNUNET_assert (NULL != peers[1]);
625 get_cfg_ops[1] = GNUNET_TESTBED_peer_get_information (peers[1],
626 GNUNET_TESTBED_PIT_CONFIGURATION,
627 &peerinfo_cb, NULL );
630 GNUNET_assert (NULL != peers[2]);
631 get_cfg_ops[2] = GNUNET_TESTBED_peer_get_information (peers[2],
632 GNUNET_TESTBED_PIT_CONFIGURATION,
637 void testbed_controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
639 static int connections = 0;
643 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
644 /* This part will still be called when
645 GNUNET_TESTBED_peer_get_information() succeeds. However, the code is
646 now more relevant in operation completion callback */
648 case GNUNET_TESTBED_ET_CONNECT:
650 if ((event->details.peer_connect.peer1 == cpeers[0]) &&
651 (event->details.peer_connect.peer2 == cpeers[1]))
653 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer 0 and 1 are connected\n");
654 GNUNET_TESTBED_operation_done (connect_ops[0]);
655 connect_ops[0] = NULL;
658 if ((event->details.peer_connect.peer1 == cpeers[1]) &&
659 (event->details.peer_connect.peer2 == cpeers[2]))
661 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer 1 and 2 are connected\n");
662 GNUNET_TESTBED_operation_done (connect_ops[1]);
663 connect_ops[1] = NULL;
666 if ((event->details.peer_connect.peer1 == cpeers[0]) &&
667 (event->details.peer_connect.peer2 == cpeers[2]))
669 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer 0 and 2 are connected\n");
670 GNUNET_TESTBED_operation_done (connect_ops[2]);
671 connect_ops[2] = NULL;
673 if (connections == 3)
675 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers connected\n");
686 main (int argc, char *argv[])
691 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
692 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
693 (void) GNUNET_TESTBED_test_run ("test_gns_dht_three_peers", "test_gns_dht_default.conf",
695 &testbed_controller_cb, NULL,
696 &testbed_master, NULL);
697 if (GNUNET_SYSERR == ok)
702 /* end of test_gns_dht_three_peers.c */