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.gnunet
31 #include "gnunet_common.h"
32 #include "gnunet_disk_lib.h"
33 #include "gnunet_testing_lib-new.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, 30)
45 /* If number of peers not in config file, use this number */
46 #define DEFAULT_NUM_PEERS 2
48 #define TEST_DOMAIN "www.buddy.bob.gnunet"
49 #define TEST_IP "1.1.1.1"
50 #define TEST_DAVE_PSEU "hagbard"
51 #define TEST_NUM_PEERS 3
52 #define TEST_NUM_CON 3
55 /* Timeout for entire testcase */
56 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 60)
58 /* Global return value (0 for success, anything else for failure) */
61 /* Task handle to use to schedule test failure */
62 GNUNET_SCHEDULER_TaskIdentifier die_task;
63 GNUNET_SCHEDULER_TaskIdentifier wait_task;
65 struct GNUNET_CRYPTO_ShortHashCode dave_hash;
67 struct GNUNET_CRYPTO_ShortHashCode bob_hash;
69 struct GNUNET_TESTBED_Peer **cpeers;
71 struct GNUNET_GNS_Handle *gh;
72 struct GNUNET_GNS_LookupRequest *lookup_handle;
74 struct GNUNET_TESTBED_Operation *get_cfg_ops[3];
75 struct GNUNET_TESTBED_Operation *connect_ops[3];
76 struct GNUNET_CONFIGURATION_Handle *cfg_handles[3];
77 struct GNUNET_NAMESTORE_Handle *nh[3];
79 static int dave_is_setup;
80 static int bob_is_setup;
81 static int alice_is_setup;
84 * Check if the get_handle is being used, if so stop the request. Either
85 * way, schedule the end_badly_cont function which actually shuts down the
89 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
91 die_task = GNUNET_SCHEDULER_NO_TASK;
94 if (GNUNET_SCHEDULER_NO_TASK != wait_task)
96 GNUNET_SCHEDULER_cancel (wait_task);
97 wait_task = GNUNET_SCHEDULER_NO_TASK;
100 for (c = 0; c < 3; c++)
104 GNUNET_NAMESTORE_disconnect(nh[c]);
108 if (NULL != get_cfg_ops[c])
110 GNUNET_TESTBED_operation_cancel(get_cfg_ops[c]);
111 get_cfg_ops[c] = NULL;
113 if (NULL != connect_ops[c])
115 GNUNET_TESTBED_operation_cancel(connect_ops[c]);
116 connect_ops[c] = NULL;
118 if (NULL != cfg_handles[c])
120 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
121 cfg_handles[c] = NULL;
125 if (NULL != lookup_handle)
127 GNUNET_GNS_cancel_lookup_request (lookup_handle);
128 lookup_handle = NULL;
132 GNUNET_GNS_disconnect(gh);
136 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed \n");
138 GNUNET_SCHEDULER_shutdown ();
143 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
145 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finished\n");
147 if (GNUNET_SCHEDULER_NO_TASK != die_task)
149 GNUNET_SCHEDULER_cancel (die_task);
150 die_task = GNUNET_SCHEDULER_NO_TASK;
153 for (c = 0; c < 3; c++)
157 GNUNET_NAMESTORE_disconnect(nh[c]);
160 if (NULL != cfg_handles[c])
162 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
163 cfg_handles[c] = NULL;
169 GNUNET_GNS_disconnect(gh);
174 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test ended successful\n");
176 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed\n");
177 GNUNET_SCHEDULER_shutdown ();
183 GNUNET_SCHEDULER_add_now (&end, NULL);
188 disconnect_ns (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
191 GNUNET_NAMESTORE_disconnect (cls);
202 cont_ns (void* cls, int32_t s, const char* emsg)
204 GNUNET_SCHEDULER_add_now (&disconnect_ns, cls);
208 on_lookup_result(void *cls, uint32_t rd_count,
209 const struct GNUNET_NAMESTORE_RecordData *rd)
216 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
223 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
224 for (i=0; i<rd_count; i++)
226 string_val = GNUNET_NAMESTORE_value_to_string(rd[i].record_type,
229 if (0 == strcmp(string_val, TEST_IP))
231 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
232 "%s correctly resolved to %s!\n", TEST_DOMAIN, string_val);
235 GNUNET_free (string_val);
242 commence_testing(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
246 if ((ZONE_PUT_WAIT_TIME.rel_value / 1000) == wait)
248 fprintf (stderr, "\n");
249 wait_task = GNUNET_SCHEDULER_NO_TASK;
250 lookup_handle = GNUNET_GNS_lookup(gh, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
253 &on_lookup_result, TEST_DOMAIN);
254 if (GNUNET_SCHEDULER_NO_TASK != die_task)
255 GNUNET_SCHEDULER_cancel(die_task);
256 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, "from lookup");
260 fprintf (stderr, ".");
261 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
268 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Created all connections! Waiting for PUTs\n");
269 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
273 static void connect_peers ()
277 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "C \n");
280 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers started\n");
282 connect_ops[0] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
286 connect_ops[1] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
290 connect_ops[2] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
297 setup_dave (const struct GNUNET_CONFIGURATION_Handle * cfg)
300 struct GNUNET_CRYPTO_RsaPrivateKey *key;
301 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
303 struct GNUNET_NAMESTORE_RecordData rd;
305 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave\n");
306 cfg_handles[0] = GNUNET_CONFIGURATION_dup (cfg);
307 GNUNET_assert (NULL != cfg_handles[0]);
308 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
312 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
313 return GNUNET_SYSERR;
316 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
320 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
321 GNUNET_free (keyfile);
322 return GNUNET_SYSERR;
324 nh[0] = GNUNET_NAMESTORE_connect (cfg_handles[0]);
327 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
328 GNUNET_CRYPTO_rsa_key_free (key);
329 GNUNET_free (keyfile);
330 return GNUNET_SYSERR;
333 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
334 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &dave_hash);
336 web = GNUNET_malloc(sizeof(struct in_addr));
337 GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP, web));
338 rd.data_size = sizeof(struct in_addr);
340 rd.record_type = GNUNET_GNS_RECORD_A;
341 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
343 GNUNET_NAMESTORE_record_create (nh[0], key, "www", &rd, NULL, NULL);
345 rd.data_size = strlen(TEST_DAVE_PSEU);
346 rd.data = TEST_DAVE_PSEU;
347 rd.record_type = GNUNET_GNS_RECORD_PSEU;
349 GNUNET_NAMESTORE_record_create (nh[0], key, "+", &rd, &cont_ns, nh[0]);
351 GNUNET_CRYPTO_rsa_key_free(key);
352 GNUNET_free(keyfile);
354 dave_is_setup = GNUNET_YES;
355 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave done\n");
360 setup_bob (const struct GNUNET_CONFIGURATION_Handle * cfg)
363 struct GNUNET_CRYPTO_RsaPrivateKey *key;
364 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
365 struct GNUNET_NAMESTORE_RecordData rd;
367 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob\n");
368 cfg_handles[1] = GNUNET_CONFIGURATION_dup (cfg);
369 GNUNET_assert (NULL != cfg_handles[1]);
370 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
374 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
375 return GNUNET_SYSERR;
378 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
382 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
383 GNUNET_free (keyfile);
384 return GNUNET_SYSERR;
387 nh[1] = GNUNET_NAMESTORE_connect (cfg_handles[1]);
390 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
391 GNUNET_CRYPTO_rsa_key_free (key);
392 GNUNET_free (keyfile);
393 return GNUNET_SYSERR;
396 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
397 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &bob_hash);
399 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
400 rd.data = &dave_hash;
401 rd.record_type = GNUNET_GNS_RECORD_PKEY;
402 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
404 GNUNET_NAMESTORE_record_create (nh[1], key, "buddy", &rd, &cont_ns, nh[1]);
406 GNUNET_CRYPTO_rsa_key_free(key);
407 GNUNET_free(keyfile);
408 bob_is_setup = GNUNET_YES;
409 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob done\n");
414 setup_alice (const struct GNUNET_CONFIGURATION_Handle * cfg)
417 struct GNUNET_CRYPTO_RsaPrivateKey *key;
418 struct GNUNET_NAMESTORE_RecordData rd;
420 cfg_handles[2] = GNUNET_CONFIGURATION_dup (cfg);
421 GNUNET_assert (NULL != cfg);
422 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
426 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
427 return GNUNET_SYSERR;
430 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
434 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
435 GNUNET_free (keyfile);
436 return GNUNET_SYSERR;
439 nh[2] = GNUNET_NAMESTORE_connect (cfg_handles[2]);
442 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
443 GNUNET_CRYPTO_rsa_key_free (key);
444 GNUNET_free (keyfile);
445 return GNUNET_SYSERR;
448 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
450 rd.record_type = GNUNET_GNS_RECORD_PKEY;
451 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
453 GNUNET_NAMESTORE_record_create (nh[2], key, "bob", &rd, &cont_ns, nh[2]);
455 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice gns\n");
456 gh = GNUNET_GNS_connect (cfg_handles[2]);
459 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to gns\n");
460 GNUNET_CRYPTO_rsa_key_free (key);
461 GNUNET_free (keyfile);
462 return GNUNET_SYSERR;
465 GNUNET_CRYPTO_rsa_key_free (key);
466 GNUNET_free (keyfile);
467 alice_is_setup = GNUNET_YES;
468 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice done\n");
475 if (GNUNET_SCHEDULER_NO_TASK != die_task)
476 GNUNET_SCHEDULER_cancel (die_task);
477 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
482 * Callback to be called when the requested peer information is available
484 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
485 * @param op the operation this callback corresponds to
486 * @param pinfo the result; will be NULL if the operation has failed
487 * @param emsg error message if the operation has failed; will be NULL if the
488 * operation is successfull
491 peerinfo_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
492 const struct GNUNET_TESTBED_PeerInformation *pinfo,
496 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "X \n");
497 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
498 if (GNUNET_NO == dave_is_setup)
499 res = setup_dave (pinfo->result.cfg);
500 else if (GNUNET_NO == bob_is_setup)
501 res = setup_bob (pinfo->result.cfg);
503 res = setup_alice (pinfo->result.cfg);
505 GNUNET_TESTBED_operation_done (op);
507 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "A \n");
508 if (GNUNET_SYSERR == res)
510 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup peer \n");
515 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "B \n");
516 /*if (get_cfg_ops[0] == op)
518 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
519 res = setup_dave (pinfo->result.cfg);
520 GNUNET_TESTBED_operation_done (get_cfg_ops[0]);
521 get_cfg_ops[0] = NULL;
522 if (GNUNET_SYSERR == res)
524 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
532 else if (get_cfg_ops[1] == op)
534 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
535 res = setup_bob (pinfo->result.cfg);
536 GNUNET_TESTBED_operation_done (get_cfg_ops[1]);
537 get_cfg_ops[1] = NULL;
538 if (GNUNET_SYSERR == res)
540 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
548 else if (get_cfg_ops[2] == op)
550 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
551 res = setup_alice (pinfo->result.cfg);
552 GNUNET_TESTBED_operation_done (get_cfg_ops[2]);
553 get_cfg_ops[2] = NULL;
554 if (GNUNET_SYSERR == res)
556 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
567 void testbed_master (void *cls,
568 unsigned int num_peers,
569 struct GNUNET_TESTBED_Peer **peers)
571 GNUNET_assert (NULL != peers);
575 GNUNET_assert (NULL != peers[0]);
576 get_cfg_ops[0] = GNUNET_TESTBED_peer_get_information (peers[0],
577 GNUNET_TESTBED_PIT_CONFIGURATION,
581 GNUNET_assert (NULL != peers[1]);
582 get_cfg_ops[1] = GNUNET_TESTBED_peer_get_information (peers[1],
583 GNUNET_TESTBED_PIT_CONFIGURATION,
584 &peerinfo_cb, NULL );
587 GNUNET_assert (NULL != peers[2]);
588 get_cfg_ops[2] = GNUNET_TESTBED_peer_get_information (peers[2],
589 GNUNET_TESTBED_PIT_CONFIGURATION,
594 void testbed_controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
596 static int connections = 0;
600 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
601 /* This part will still be called when
602 GNUNET_TESTBED_peer_get_information() succeeds. However, the code is
603 now more relevant in operation completion callback */
605 case GNUNET_TESTBED_ET_CONNECT:
607 if (connections == 3)
609 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers connected\n");
610 GNUNET_TESTBED_operation_done (connect_ops[0]);
611 connect_ops[0] = NULL;
612 GNUNET_TESTBED_operation_done (connect_ops[1]);
613 connect_ops[1] = NULL;
614 GNUNET_TESTBED_operation_done (connect_ops[2]);
615 connect_ops[2] = NULL;
626 main (int argc, char *argv[])
631 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
632 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
633 GNUNET_TESTBED_test_run ("test_gns_dht_three_peers", "test_gns_dht_default.conf",
635 &testbed_controller_cb, NULL,
636 &testbed_master, NULL);
637 if (GNUNET_SYSERR == ok)
642 /* end of test_gns_dht_three_peers.c */