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)
53 /* Global return value (0 for success, anything else for failure) */
56 /* Task handle to use to schedule test failure */
57 static GNUNET_SCHEDULER_TaskIdentifier die_task;
59 static GNUNET_SCHEDULER_TaskIdentifier wait_task;
61 static struct GNUNET_CRYPTO_ShortHashCode dave_hash;
63 static struct GNUNET_CRYPTO_ShortHashCode bob_hash;
65 static struct GNUNET_TESTBED_Peer **cpeers;
67 static struct GNUNET_GNS_Handle *gh;
68 static struct GNUNET_GNS_LookupRequest *lookup_handle;
70 static struct GNUNET_TESTBED_Operation *get_cfg_ops[3];
71 static struct GNUNET_TESTBED_Operation *connect_ops[3];
72 static struct GNUNET_CONFIGURATION_Handle *cfg_handles[3];
73 static struct GNUNET_NAMESTORE_Handle *nh[3];
75 static int dave_is_setup;
76 static int bob_is_setup;
77 static int alice_is_setup;
80 * Check if the get_handle is being used, if so stop the request. Either
81 * way, schedule the end_badly_cont function which actually shuts down the
85 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
87 die_task = GNUNET_SCHEDULER_NO_TASK;
90 if (GNUNET_SCHEDULER_NO_TASK != wait_task)
92 GNUNET_SCHEDULER_cancel (wait_task);
93 wait_task = GNUNET_SCHEDULER_NO_TASK;
96 for (c = 0; c < 3; c++)
100 GNUNET_NAMESTORE_disconnect(nh[c]);
104 if (NULL != get_cfg_ops[c])
106 GNUNET_TESTBED_operation_done(get_cfg_ops[c]);
107 get_cfg_ops[c] = NULL;
109 if (NULL != connect_ops[c])
111 GNUNET_TESTBED_operation_done(connect_ops[c]);
112 connect_ops[c] = NULL;
114 if (NULL != cfg_handles[c])
116 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
117 cfg_handles[c] = NULL;
121 if (NULL != lookup_handle)
123 GNUNET_GNS_cancel_lookup_request (lookup_handle);
124 lookup_handle = NULL;
128 GNUNET_GNS_disconnect(gh);
132 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed \n");
133 GNUNET_SCHEDULER_shutdown ();
138 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
140 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finished\n");
142 if (GNUNET_SCHEDULER_NO_TASK != die_task)
144 GNUNET_SCHEDULER_cancel (die_task);
145 die_task = GNUNET_SCHEDULER_NO_TASK;
148 for (c = 0; c < 3; c++)
152 GNUNET_NAMESTORE_disconnect(nh[c]);
155 if (NULL != cfg_handles[c])
157 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
158 cfg_handles[c] = NULL;
164 GNUNET_GNS_disconnect(gh);
169 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test ended successful\n");
171 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed\n");
172 GNUNET_SCHEDULER_shutdown ();
178 GNUNET_SCHEDULER_add_now (&end, NULL);
183 disconnect_ns (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
186 GNUNET_NAMESTORE_disconnect (cls);
197 cont_ns (void* cls, int32_t s, const char* emsg)
199 GNUNET_SCHEDULER_add_now (&disconnect_ns, cls);
203 on_lookup_result(void *cls, uint32_t rd_count,
204 const struct GNUNET_NAMESTORE_RecordData *rd)
211 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
218 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
219 for (i=0; i<rd_count; i++)
221 string_val = GNUNET_NAMESTORE_value_to_string(rd[i].record_type,
224 if (0 == strcmp(string_val, TEST_IP))
226 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
227 "%s correctly resolved to %s!\n", TEST_DOMAIN, string_val);
230 GNUNET_free (string_val);
237 commence_testing(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
241 if ((ZONE_PUT_WAIT_TIME.rel_value / 1000) == wait)
243 fprintf (stderr, "\n");
244 wait_task = GNUNET_SCHEDULER_NO_TASK;
245 lookup_handle = GNUNET_GNS_lookup(gh, TEST_DOMAIN, GNUNET_GNS_RECORD_A,
248 &on_lookup_result, TEST_DOMAIN);
249 if (GNUNET_SCHEDULER_NO_TASK != die_task)
250 GNUNET_SCHEDULER_cancel(die_task);
251 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, "from lookup");
255 fprintf (stderr, ".");
256 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
263 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Created all connections! Waiting for PUTs\n");
264 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
268 static void connect_peers ()
274 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers started\n");
276 connect_ops[0] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
280 connect_ops[1] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
284 connect_ops[2] = GNUNET_TESTBED_overlay_connect (NULL, NULL, NULL,
291 setup_dave (const struct GNUNET_CONFIGURATION_Handle * cfg)
294 struct GNUNET_CRYPTO_RsaPrivateKey *key;
295 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
297 struct GNUNET_NAMESTORE_RecordData rd;
299 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave\n");
300 cfg_handles[0] = GNUNET_CONFIGURATION_dup (cfg);
301 GNUNET_assert (NULL != cfg_handles[0]);
302 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
306 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
307 return GNUNET_SYSERR;
310 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
314 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
315 GNUNET_free (keyfile);
316 return GNUNET_SYSERR;
318 nh[0] = GNUNET_NAMESTORE_connect (cfg_handles[0]);
321 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
322 GNUNET_CRYPTO_rsa_key_free (key);
323 GNUNET_free (keyfile);
324 return GNUNET_SYSERR;
327 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
328 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &dave_hash);
330 rd.expiration_time = UINT64_MAX;
332 web = GNUNET_malloc(sizeof(struct in_addr));
333 GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP, web));
334 rd.data_size = sizeof(struct in_addr);
336 rd.record_type = GNUNET_GNS_RECORD_A;
337 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
339 GNUNET_NAMESTORE_record_create (nh[0], key, "www", &rd, NULL, NULL);
341 rd.data_size = strlen(TEST_DAVE_PSEU);
342 rd.data = TEST_DAVE_PSEU;
343 rd.record_type = GNUNET_GNS_RECORD_PSEU;
346 GNUNET_NAMESTORE_record_create (nh[0], key, GNUNET_GNS_MASTERZONE_STR, &rd, &cont_ns, nh[0]);
348 GNUNET_CRYPTO_rsa_key_free(key);
349 GNUNET_free(keyfile);
351 dave_is_setup = GNUNET_YES;
352 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave done\n");
357 setup_bob (const struct GNUNET_CONFIGURATION_Handle * cfg)
360 struct GNUNET_CRYPTO_RsaPrivateKey *key;
361 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
362 struct GNUNET_NAMESTORE_RecordData rd;
364 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob\n");
365 cfg_handles[1] = GNUNET_CONFIGURATION_dup (cfg);
366 GNUNET_assert (NULL != cfg_handles[1]);
367 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
371 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
372 return GNUNET_SYSERR;
375 key = GNUNET_CRYPTO_rsa_key_create_from_file (keyfile);
379 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
380 GNUNET_free (keyfile);
381 return GNUNET_SYSERR;
384 nh[1] = GNUNET_NAMESTORE_connect (cfg_handles[1]);
387 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
388 GNUNET_CRYPTO_rsa_key_free (key);
389 GNUNET_free (keyfile);
390 return GNUNET_SYSERR;
393 GNUNET_CRYPTO_rsa_key_get_public (key, &pkey);
394 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &bob_hash);
396 rd.expiration_time = UINT64_MAX;
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.expiration_time = UINT64_MAX;
447 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
449 rd.record_type = GNUNET_GNS_RECORD_PKEY;
450 rd.flags = GNUNET_NAMESTORE_RF_AUTHORITY;
452 GNUNET_NAMESTORE_record_create (nh[2], key, "bob", &rd, &cont_ns, nh[2]);
454 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice gns\n");
455 gh = GNUNET_GNS_connect (cfg_handles[2]);
458 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to gns\n");
459 GNUNET_CRYPTO_rsa_key_free (key);
460 GNUNET_free (keyfile);
461 return GNUNET_SYSERR;
464 GNUNET_CRYPTO_rsa_key_free (key);
465 GNUNET_free (keyfile);
466 alice_is_setup = GNUNET_YES;
467 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice done\n");
474 if (GNUNET_SCHEDULER_NO_TASK != die_task)
475 GNUNET_SCHEDULER_cancel (die_task);
476 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
481 * Callback to be called when the requested peer information is available
483 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
484 * @param op the operation this callback corresponds to
485 * @param pinfo the result; will be NULL if the operation has failed
486 * @param emsg error message if the operation has failed; will be NULL if the
487 * operation is successfull
490 peerinfo_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
491 const struct GNUNET_TESTBED_PeerInformation *pinfo,
495 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
496 if (GNUNET_NO == dave_is_setup)
497 res = setup_dave (pinfo->result.cfg);
498 else if (GNUNET_NO == bob_is_setup)
499 res = setup_bob (pinfo->result.cfg);
501 res = setup_alice (pinfo->result.cfg);
503 if (get_cfg_ops[0] == op)
504 get_cfg_ops[0] = NULL;
505 else if (get_cfg_ops[1] == op)
506 get_cfg_ops[1] = NULL;
508 get_cfg_ops[2] = NULL;
509 GNUNET_TESTBED_operation_done (op);
511 if (GNUNET_SYSERR == res)
513 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup peer \n");
518 /*if (get_cfg_ops[0] == op)
520 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
521 res = setup_dave (pinfo->result.cfg);
522 GNUNET_TESTBED_operation_done (get_cfg_ops[0]);
523 get_cfg_ops[0] = NULL;
524 if (GNUNET_SYSERR == res)
526 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
534 else if (get_cfg_ops[1] == op)
536 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
537 res = setup_bob (pinfo->result.cfg);
538 GNUNET_TESTBED_operation_done (get_cfg_ops[1]);
539 get_cfg_ops[1] = NULL;
540 if (GNUNET_SYSERR == res)
542 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
550 else if (get_cfg_ops[2] == op)
552 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
553 res = setup_alice (pinfo->result.cfg);
554 GNUNET_TESTBED_operation_done (get_cfg_ops[2]);
555 get_cfg_ops[2] = NULL;
556 if (GNUNET_SYSERR == res)
558 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
569 void testbed_master (void *cls,
570 unsigned int num_peers,
571 struct GNUNET_TESTBED_Peer **peers)
573 GNUNET_assert (NULL != peers);
577 GNUNET_assert (NULL != peers[0]);
578 get_cfg_ops[0] = GNUNET_TESTBED_peer_get_information (peers[0],
579 GNUNET_TESTBED_PIT_CONFIGURATION,
583 GNUNET_assert (NULL != peers[1]);
584 get_cfg_ops[1] = GNUNET_TESTBED_peer_get_information (peers[1],
585 GNUNET_TESTBED_PIT_CONFIGURATION,
586 &peerinfo_cb, NULL );
589 GNUNET_assert (NULL != peers[2]);
590 get_cfg_ops[2] = GNUNET_TESTBED_peer_get_information (peers[2],
591 GNUNET_TESTBED_PIT_CONFIGURATION,
596 void testbed_controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
598 static int connections = 0;
602 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
603 /* This part will still be called when
604 GNUNET_TESTBED_peer_get_information() succeeds. However, the code is
605 now more relevant in operation completion callback */
607 case GNUNET_TESTBED_ET_CONNECT:
609 if (connections == 3)
611 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers connected\n");
612 GNUNET_TESTBED_operation_done (connect_ops[0]);
613 connect_ops[0] = NULL;
614 GNUNET_TESTBED_operation_done (connect_ops[1]);
615 connect_ops[1] = NULL;
616 GNUNET_TESTBED_operation_done (connect_ops[2]);
617 connect_ops[2] = NULL;
628 main (int argc, char *argv[])
633 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
634 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
635 (void) GNUNET_TESTBED_test_run ("test_gns_dht_three_peers", "test_gns_dht_default.conf",
637 &testbed_controller_cb, NULL,
638 &testbed_master, NULL);
639 if (GNUNET_SYSERR == ok)
644 /* end of test_gns_dht_three_peers.c */