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.gnu
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.gnu"
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, 60)
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 *topology_op;
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 != cfg_handles[c])
114 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
115 cfg_handles[c] = NULL;
118 if (NULL != topology_op)
120 GNUNET_TESTBED_operation_done (topology_op);
123 if (NULL != lookup_handle)
125 GNUNET_GNS_cancel_lookup_request (lookup_handle);
126 lookup_handle = NULL;
130 GNUNET_GNS_disconnect(gh);
134 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed \n");
135 GNUNET_SCHEDULER_shutdown ();
140 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
142 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Finished\n");
144 if (GNUNET_SCHEDULER_NO_TASK != die_task)
146 GNUNET_SCHEDULER_cancel (die_task);
147 die_task = GNUNET_SCHEDULER_NO_TASK;
150 for (c = 0; c < 3; c++)
154 GNUNET_NAMESTORE_disconnect(nh[c]);
157 if (NULL != cfg_handles[c])
159 GNUNET_CONFIGURATION_destroy (cfg_handles[c]);
160 cfg_handles[c] = NULL;
166 GNUNET_GNS_disconnect(gh);
171 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test ended successful\n");
173 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Test failed\n");
174 GNUNET_SCHEDULER_shutdown ();
178 setup_end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
180 setup_task = GNUNET_SCHEDULER_NO_TASK;
181 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Timeout during setup, test failed\n");
183 if (NULL != topology_op)
185 GNUNET_TESTBED_operation_done (topology_op);
188 GNUNET_SCHEDULER_shutdown ();
195 GNUNET_SCHEDULER_add_now (&end, NULL);
200 disconnect_ns (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
203 GNUNET_NAMESTORE_disconnect (cls);
214 cont_ns (void* cls, int32_t s, const char* emsg)
216 GNUNET_SCHEDULER_add_now (&disconnect_ns, cls);
220 on_lookup_result(void *cls, uint32_t rd_count,
221 const struct GNUNET_NAMESTORE_RecordData *rd)
228 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
235 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "name: %s\n", (char*)cls);
236 for (i=0; i<rd_count; i++)
238 string_val = GNUNET_NAMESTORE_value_to_string(rd[i].record_type,
241 if (0 == strcmp(string_val, TEST_IP))
243 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
244 "%s correctly resolved to %s!\n", TEST_DOMAIN, string_val);
247 GNUNET_free (string_val);
255 commence_testing(void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
260 if ((ZONE_PUT_WAIT_TIME.rel_value_us / 1000LL / 1000LL) == wait)
262 fprintf (stderr, "\n");
263 wait_task = GNUNET_SCHEDULER_NO_TASK;
264 lookup_handle = GNUNET_GNS_lookup(gh, TEST_DOMAIN, GNUNET_DNSPARSER_TYPE_A,
267 &on_lookup_result, TEST_DOMAIN);
268 if (GNUNET_SCHEDULER_NO_TASK != die_task)
269 GNUNET_SCHEDULER_cancel(die_task);
270 die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, "from lookup");
274 fprintf (stderr, ".");
275 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
283 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Created all connections! Waiting for PUTs\n");
284 if (GNUNET_SCHEDULER_NO_TASK != setup_task)
286 GNUNET_SCHEDULER_cancel (setup_task);
287 setup_task = GNUNET_SCHEDULER_NO_TASK;
289 wait_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &commence_testing, NULL);
293 static void connect_peers ()
299 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers started\n");
302 GNUNET_TESTBED_overlay_configure_topology (NULL, 3, cpeers, NULL,
305 GNUNET_TESTBED_TOPOLOGY_RING,
306 GNUNET_TESTBED_TOPOLOGY_OPTION_END);
311 setup_dave (const struct GNUNET_CONFIGURATION_Handle * cfg)
314 struct GNUNET_CRYPTO_EccPrivateKey *key;
315 struct GNUNET_CRYPTO_EccPublicSignKey pkey;
317 struct GNUNET_NAMESTORE_RecordData rd;
319 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave\n");
320 cfg_handles[0] = GNUNET_CONFIGURATION_dup (cfg);
321 GNUNET_assert (NULL != cfg_handles[0]);
322 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
326 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
327 return GNUNET_SYSERR;
330 key = GNUNET_CRYPTO_ecc_key_create_from_file (keyfile);
334 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
335 GNUNET_free (keyfile);
336 return GNUNET_SYSERR;
338 nh[0] = GNUNET_NAMESTORE_connect (cfg_handles[0]);
341 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
343 GNUNET_free (keyfile);
344 return GNUNET_SYSERR;
347 GNUNET_CRYPTO_ecc_key_get_public_for_signature (key, &pkey);
348 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &dave_hash);
350 rd.expiration_time = UINT64_MAX;
352 web = GNUNET_malloc(sizeof(struct in_addr));
353 GNUNET_assert(1 == inet_pton (AF_INET, TEST_IP, web));
354 rd.data_size = sizeof(struct in_addr);
356 rd.record_type = GNUNET_DNSPARSER_TYPE_A;
357 rd.flags = GNUNET_NAMESTORE_RF_NONE;
359 GNUNET_NAMESTORE_record_put_by_authority (nh[0], key, "www",
363 rd.data_size = strlen(TEST_DAVE_PSEU);
364 rd.data = TEST_DAVE_PSEU;
365 rd.record_type = GNUNET_NAMESTORE_TYPE_PSEU;
368 GNUNET_NAMESTORE_record_put_by_authority (nh[0], key,
369 GNUNET_GNS_MASTERZONE_STR,
374 GNUNET_free(keyfile);
376 dave_is_setup = GNUNET_YES;
377 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up dave done\n");
382 setup_bob (const struct GNUNET_CONFIGURATION_Handle * cfg)
385 struct GNUNET_CRYPTO_EccPrivateKey *key;
386 struct GNUNET_CRYPTO_EccPublicSignKey pkey;
387 struct GNUNET_NAMESTORE_RecordData rd;
389 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob\n");
390 cfg_handles[1] = GNUNET_CONFIGURATION_dup (cfg);
391 GNUNET_assert (NULL != cfg_handles[1]);
392 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
396 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
397 return GNUNET_SYSERR;
400 key = GNUNET_CRYPTO_ecc_key_create_from_file (keyfile);
404 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
405 GNUNET_free (keyfile);
406 return GNUNET_SYSERR;
409 nh[1] = GNUNET_NAMESTORE_connect (cfg_handles[1]);
412 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
414 GNUNET_free (keyfile);
415 return GNUNET_SYSERR;
418 GNUNET_CRYPTO_ecc_key_get_public_for_signature (key, &pkey);
419 GNUNET_CRYPTO_short_hash(&pkey, sizeof(pkey), &bob_hash);
421 rd.expiration_time = UINT64_MAX;
422 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
423 rd.data = &dave_hash;
424 rd.record_type = GNUNET_NAMESTORE_TYPE_PKEY;
425 rd.flags = GNUNET_NAMESTORE_RF_NONE;
427 GNUNET_NAMESTORE_record_put_by_authority (nh[1], key, "buddy",
432 GNUNET_free(keyfile);
433 bob_is_setup = GNUNET_YES;
434 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up bob done\n");
439 setup_alice (const struct GNUNET_CONFIGURATION_Handle * cfg)
442 struct GNUNET_CRYPTO_EccPrivateKey *key;
443 struct GNUNET_NAMESTORE_RecordData rd;
445 cfg_handles[2] = GNUNET_CONFIGURATION_dup (cfg);
446 GNUNET_assert (NULL != cfg);
447 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "gns",
451 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
452 return GNUNET_SYSERR;
455 key = GNUNET_CRYPTO_ecc_key_create_from_file (keyfile);
459 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to get key from cfg\n");
460 GNUNET_free (keyfile);
461 return GNUNET_SYSERR;
464 nh[2] = GNUNET_NAMESTORE_connect (cfg_handles[2]);
467 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to namestore\n");
469 GNUNET_free (keyfile);
470 return GNUNET_SYSERR;
473 rd.expiration_time = UINT64_MAX;
474 rd.data_size = sizeof(struct GNUNET_CRYPTO_ShortHashCode);
476 rd.record_type = GNUNET_NAMESTORE_TYPE_PKEY;
477 rd.flags = GNUNET_NAMESTORE_RF_NONE;
479 GNUNET_NAMESTORE_record_put_by_authority (nh[2], key, "bob",
483 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice gns\n");
484 gh = GNUNET_GNS_connect (cfg_handles[2]);
487 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Failed to connect to gns\n");
489 GNUNET_free (keyfile);
490 return GNUNET_SYSERR;
494 GNUNET_free (keyfile);
495 alice_is_setup = GNUNET_YES;
496 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up alice done\n");
503 if (GNUNET_SCHEDULER_NO_TASK != die_task)
504 GNUNET_SCHEDULER_cancel (die_task);
505 die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
510 * Callback to be called when the requested peer information is available
512 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
513 * @param op the operation this callback corresponds to
514 * @param pinfo the result; will be NULL if the operation has failed
515 * @param emsg error message if the operation has failed; will be NULL if the
516 * operation is successfull
519 peerinfo_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op,
520 const struct GNUNET_TESTBED_PeerInformation *pinfo,
524 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
525 if (GNUNET_NO == dave_is_setup)
526 res = setup_dave (pinfo->result.cfg);
527 else if (GNUNET_NO == bob_is_setup)
528 res = setup_bob (pinfo->result.cfg);
530 res = setup_alice (pinfo->result.cfg);
532 if (get_cfg_ops[0] == op)
533 get_cfg_ops[0] = NULL;
534 else if (get_cfg_ops[1] == op)
535 get_cfg_ops[1] = NULL;
537 get_cfg_ops[2] = NULL;
538 GNUNET_TESTBED_operation_done (op);
540 if (GNUNET_SYSERR == res)
542 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup peer \n");
547 /*if (get_cfg_ops[0] == op)
549 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
550 res = setup_dave (pinfo->result.cfg);
551 GNUNET_TESTBED_operation_done (get_cfg_ops[0]);
552 get_cfg_ops[0] = NULL;
553 if (GNUNET_SYSERR == res)
555 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
563 else if (get_cfg_ops[1] == op)
565 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
566 res = setup_bob (pinfo->result.cfg);
567 GNUNET_TESTBED_operation_done (get_cfg_ops[1]);
568 get_cfg_ops[1] = NULL;
569 if (GNUNET_SYSERR == res)
571 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
579 else if (get_cfg_ops[2] == op)
581 GNUNET_assert (GNUNET_TESTBED_PIT_CONFIGURATION == pinfo->pit);
582 res = setup_alice (pinfo->result.cfg);
583 GNUNET_TESTBED_operation_done (get_cfg_ops[2]);
584 get_cfg_ops[2] = NULL;
585 if (GNUNET_SYSERR == res)
587 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to setup dave \n");
598 void testbed_master (void *cls,
599 struct GNUNET_TESTBED_RunHandle *h,
600 unsigned int num_peers,
601 struct GNUNET_TESTBED_Peer **peers,
602 unsigned int links_succeeded,
603 unsigned int links_failed)
605 GNUNET_assert (NULL != peers);
608 setup_task = GNUNET_SCHEDULER_add_delayed (SETUP_TIMEOUT, &setup_end_badly, NULL);
611 GNUNET_assert (NULL != peers[0]);
612 get_cfg_ops[0] = GNUNET_TESTBED_peer_get_information (peers[0],
613 GNUNET_TESTBED_PIT_CONFIGURATION,
617 GNUNET_assert (NULL != peers[1]);
618 get_cfg_ops[1] = GNUNET_TESTBED_peer_get_information (peers[1],
619 GNUNET_TESTBED_PIT_CONFIGURATION,
620 &peerinfo_cb, NULL );
623 GNUNET_assert (NULL != peers[2]);
624 get_cfg_ops[2] = GNUNET_TESTBED_peer_get_information (peers[2],
625 GNUNET_TESTBED_PIT_CONFIGURATION,
630 void testbed_controller_cb (void *cls, const struct GNUNET_TESTBED_EventInformation *event)
632 static int connections = 0;
636 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
637 /* This part will still be called when
638 GNUNET_TESTBED_peer_get_information() succeeds. However, the code is
639 now more relevant in operation completion callback */
641 case GNUNET_TESTBED_ET_CONNECT:
643 if (connections == 3)
645 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers connected\n");
646 GNUNET_TESTBED_operation_done (topology_op);
658 main (int argc, char *argv[])
663 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
664 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
665 (void) GNUNET_TESTBED_test_run ("test_gns_dht_three_peers", "test_gns_dht_default.conf",
667 &testbed_controller_cb, NULL,
668 &testbed_master, NULL);
669 if (GNUNET_SYSERR == ok)
674 /* end of test_gns_dht_three_peers.c */