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, 10)
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");
137 GNUNET_SCHEDULER_shutdown ();
142 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
144 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finished\n");
146 if (GNUNET_SCHEDULER_NO_TASK != die_task)
148 GNUNET_SCHEDULER_cancel (die_task);
149 die_task = GNUNET_SCHEDULER_NO_TASK;
152 for (c = 0; c < 3; c++)
156 GNUNET_NAMESTORE_disconnect(nh[c]);
159 if (NULL != cfg_handles[c])
161 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
162 cfg_handles[c] = NULL;
168 GNUNET_GNS_disconnect(gh);
173 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test ended successful\n");
175 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed\n");
176 GNUNET_SCHEDULER_shutdown ();
182 GNUNET_SCHEDULER_add_now (&end, NULL);
187 disconnect_ns (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
190 GNUNET_NAMESTORE_disconnect (cls);
201 cont_ns (void* cls, int32_t s, const char* emsg)
203 GNUNET_SCHEDULER_add_now (&disconnect_ns, cls);
207 on_lookup_result(void *cls, uint32_t rd_count,
208 const struct GNUNET_NAMESTORE_RecordData *rd)
215 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
222 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
223 for (i=0; i<rd_count; i++)
225 string_val = GNUNET_NAMESTORE_value_to_string(rd[i].record_type,
228 if (0 == strcmp(string_val, TEST_IP))
230 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
231 "%s correctly resolved to %s!\n", TEST_DOMAIN, string_val);
234 GNUNET_free (string_val);
241 commence_testing(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
245 if ((ZONE_PUT_WAIT_TIME.rel_value / 1000) == wait)
247 fprintf (stderr, "\n");
248 wait_task = GNUNET_SCHEDULER_NO_TASK;
249 lookup_handle = GNUNET_GNS_lookup(gh, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
252 &on_lookup_result, TEST_DOMAIN);
253 if (GNUNET_SCHEDULER_NO_TASK != die_task)
254 GNUNET_SCHEDULER_cancel(die_task);
255 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, "from lookup");
259 fprintf (stderr, ".");
260 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
267 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Created all connections! Waiting for PUTs\n");
268 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
272 static void connect_peers ()
278 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers started\n");
280 connect_ops[0] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
284 connect_ops[1] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
288 connect_ops[2] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
295 setup_dave (const struct GNUNET_CONFIGURATION_Handle * cfg)
298 struct GNUNET_CRYPTO_RsaPrivateKey *key;
299 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
301 struct GNUNET_NAMESTORE_RecordData rd;
303 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave\n");
304 cfg_handles[0] = GNUNET_CONFIGURATION_dup (cfg);
305 GNUNET_assert (NULL != cfg_handles[0]);
306 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
310 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
311 return GNUNET_SYSERR;
314 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
318 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
319 GNUNET_free (keyfile);
320 return GNUNET_SYSERR;
322 nh[0] = GNUNET_NAMESTORE_connect (cfg_handles[0]);
325 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
326 GNUNET_CRYPTO_rsa_key_free (key);
327 GNUNET_free (keyfile);
328 return GNUNET_SYSERR;
331 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
332 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &dave_hash);
334 web = GNUNET_malloc(sizeof(struct in_addr));
335 GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP, web));
336 rd.data_size = sizeof(struct in_addr);
338 rd.record_type = GNUNET_GNS_RECORD_A;
339 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
341 GNUNET_NAMESTORE_record_create (nh[0], key, "www", &rd, NULL, NULL);
343 rd.data_size = strlen(TEST_DAVE_PSEU);
344 rd.data = TEST_DAVE_PSEU;
345 rd.record_type = GNUNET_GNS_RECORD_PSEU;
347 GNUNET_NAMESTORE_record_create (nh[0], key, "+", &rd, &cont_ns, nh[0]);
349 GNUNET_CRYPTO_rsa_key_free(key);
350 GNUNET_free(keyfile);
352 dave_is_setup = GNUNET_YES;
353 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave done\n");
358 setup_bob (const struct GNUNET_CONFIGURATION_Handle * cfg)
361 struct GNUNET_CRYPTO_RsaPrivateKey *key;
362 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
363 struct GNUNET_NAMESTORE_RecordData rd;
365 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob\n");
366 cfg_handles[1] = GNUNET_CONFIGURATION_dup (cfg);
367 GNUNET_assert (NULL != cfg_handles[1]);
368 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
372 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
373 return GNUNET_SYSERR;
376 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
380 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
381 GNUNET_free (keyfile);
382 return GNUNET_SYSERR;
385 nh[1] = GNUNET_NAMESTORE_connect (cfg_handles[1]);
388 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
389 GNUNET_CRYPTO_rsa_key_free (key);
390 GNUNET_free (keyfile);
391 return GNUNET_SYSERR;
394 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
395 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &bob_hash);
397 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
398 rd.data = &dave_hash;
399 rd.record_type = GNUNET_GNS_RECORD_PKEY;
400 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
402 GNUNET_NAMESTORE_record_create (nh[1], key, "buddy", &rd, &cont_ns, nh[1]);
404 GNUNET_CRYPTO_rsa_key_free(key);
405 GNUNET_free(keyfile);
406 bob_is_setup = GNUNET_YES;
407 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob done\n");
412 setup_alice (const struct GNUNET_CONFIGURATION_Handle * cfg)
415 struct GNUNET_CRYPTO_RsaPrivateKey *key;
416 struct GNUNET_NAMESTORE_RecordData rd;
418 cfg_handles[2] = GNUNET_CONFIGURATION_dup (cfg);
419 GNUNET_assert (NULL != cfg);
420 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
424 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
425 return GNUNET_SYSERR;
428 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
432 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
433 GNUNET_free (keyfile);
434 return GNUNET_SYSERR;
437 nh[2] = GNUNET_NAMESTORE_connect (cfg_handles[2]);
440 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
441 GNUNET_CRYPTO_rsa_key_free (key);
442 GNUNET_free (keyfile);
443 return GNUNET_SYSERR;
446 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
448 rd.record_type = GNUNET_GNS_RECORD_PKEY;
449 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
451 GNUNET_NAMESTORE_record_create (nh[2], key, "bob", &rd, &cont_ns, nh[2]);
453 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice gns\n");
454 gh = GNUNET_GNS_connect (cfg_handles[2]);
457 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to gns\n");
458 GNUNET_CRYPTO_rsa_key_free (key);
459 GNUNET_free (keyfile);
460 return GNUNET_SYSERR;
463 GNUNET_CRYPTO_rsa_key_free (key);
464 GNUNET_free (keyfile);
465 alice_is_setup = GNUNET_YES;
466 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice done\n");
473 if (GNUNET_SCHEDULER_NO_TASK != die_task)
474 GNUNET_SCHEDULER_cancel (die_task);
475 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
480 * Callback to be called when the requested peer information is available
482 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
483 * @param op the operation this callback corresponds to
484 * @param pinfo the result; will be NULL if the operation has failed
485 * @param emsg error message if the operation has failed; will be NULL if the
486 * operation is successfull
489 peerinfo_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
490 const struct GNUNET_TESTBED_PeerInformation *pinfo,
494 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
495 if (GNUNET_NO == dave_is_setup)
496 res = setup_dave (pinfo->result.cfg);
497 else if (GNUNET_NO == bob_is_setup)
498 res = setup_bob (pinfo->result.cfg);
500 res = setup_alice (pinfo->result.cfg);
502 if (get_cfg_ops[0] == op)
503 get_cfg_ops[0] = NULL;
504 else if (get_cfg_ops[1] == op)
505 get_cfg_ops[1] = NULL;
507 get_cfg_ops[2] = NULL;
508 GNUNET_TESTBED_operation_done (op);
510 if (GNUNET_SYSERR == res)
512 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup peer \n");
517 /*if (get_cfg_ops[0] == op)
519 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
520 res = setup_dave (pinfo->result.cfg);
521 GNUNET_TESTBED_operation_done (get_cfg_ops[0]);
522 get_cfg_ops[0] = NULL;
523 if (GNUNET_SYSERR == res)
525 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
533 else if (get_cfg_ops[1] == op)
535 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
536 res = setup_bob (pinfo->result.cfg);
537 GNUNET_TESTBED_operation_done (get_cfg_ops[1]);
538 get_cfg_ops[1] = NULL;
539 if (GNUNET_SYSERR == res)
541 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
549 else if (get_cfg_ops[2] == op)
551 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
552 res = setup_alice (pinfo->result.cfg);
553 GNUNET_TESTBED_operation_done (get_cfg_ops[2]);
554 get_cfg_ops[2] = NULL;
555 if (GNUNET_SYSERR == res)
557 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
568 void testbed_master (void *cls,
569 unsigned int num_peers,
570 struct GNUNET_TESTBED_Peer **peers)
572 GNUNET_assert (NULL != peers);
576 GNUNET_assert (NULL != peers[0]);
577 get_cfg_ops[0] = GNUNET_TESTBED_peer_get_information (peers[0],
578 GNUNET_TESTBED_PIT_CONFIGURATION,
582 GNUNET_assert (NULL != peers[1]);
583 get_cfg_ops[1] = GNUNET_TESTBED_peer_get_information (peers[1],
584 GNUNET_TESTBED_PIT_CONFIGURATION,
585 &peerinfo_cb, NULL );
588 GNUNET_assert (NULL != peers[2]);
589 get_cfg_ops[2] = GNUNET_TESTBED_peer_get_information (peers[2],
590 GNUNET_TESTBED_PIT_CONFIGURATION,
595 void testbed_controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
597 static int connections = 0;
601 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
602 /* This part will still be called when
603 GNUNET_TESTBED_peer_get_information() succeeds. However, the code is
604 now more relevant in operation completion callback */
606 case GNUNET_TESTBED_ET_CONNECT:
608 if (connections == 3)
610 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers connected\n");
611 GNUNET_TESTBED_operation_done (connect_ops[0]);
612 connect_ops[0] = NULL;
613 GNUNET_TESTBED_operation_done (connect_ops[1]);
614 connect_ops[1] = NULL;
615 GNUNET_TESTBED_operation_done (connect_ops[2]);
616 connect_ops[2] = NULL;
627 main (int argc, char *argv[])
632 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
633 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
634 GNUNET_TESTBED_test_run ("test_gns_dht_three_peers", "test_gns_dht_default.conf",
636 &testbed_controller_cb, NULL,
637 &testbed_master, NULL);
638 if (GNUNET_SYSERR == ok)
643 /* end of test_gns_dht_three_peers.c */