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 dht/test_dht_multipeer.c
22 * @brief testcase for testing DHT service with
26 #include "gnunet_testing_lib.h"
27 #include "gnunet_core_service.h"
28 #include "gnunet_dht_service.h"
31 #define VERBOSE GNUNET_NO
33 /* Timeout for entire testcase */
34 #define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 30)
36 /* Timeout for waiting for replies to get requests */
37 #define GET_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 300)
40 #define START_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 30)
42 /* Timeout for waiting for gets to complete */
43 #define GET_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 50)
45 /* Timeout for waiting for puts to complete */
46 #define PUT_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 50)
48 /* If number of peers not in config file, use this number */
49 #define DEFAULT_NUM_PEERS 10
51 #define TEST_DATA_SIZE 8
53 #define MAX_OUTSTANDING_PUTS 100
55 #define MAX_OUTSTANDING_GETS 100
57 #define PATH_TRACKING GNUNET_NO
64 * This is a linked list
66 struct TestPutContext *next;
69 * This is a linked list
71 struct TestPutContext *prev;
74 * Handle to the first peers DHT service (via the API)
76 struct GNUNET_DHT_Handle *dht_handle;
79 * Handle to the PUT peer daemon
81 struct GNUNET_TESTING_Daemon *daemon;
84 * Identifier for this PUT
89 * Task handle for processing of the put.
91 GNUNET_SCHEDULER_TaskIdentifier task;
98 * This is a linked list
100 struct TestGetContext *next;
103 * This is a linked list
105 struct TestGetContext *prev;
108 * Handle to the first peers DHT service (via the API)
110 struct GNUNET_DHT_Handle *dht_handle;
113 * Handle for the DHT get request
115 struct GNUNET_DHT_GetHandle *get_handle;
118 * Handle to the GET peer daemon
120 struct GNUNET_TESTING_Daemon *daemon;
123 * Identifier for this GET
128 * Task for disconnecting DHT handles (and stopping GET)
130 GNUNET_SCHEDULER_TaskIdentifier task;
133 * Whether or not this request has been fulfilled already.
140 * List of GETS to perform
142 static struct TestGetContext *all_gets_head;
145 * List of GETS to perform
147 static struct TestGetContext *all_gets_tail;
150 * List of PUTS to perform
152 static struct TestPutContext *all_puts_head;
155 * List of PUTS to perform
157 static struct TestPutContext *all_puts_tail;
160 * Handle to the set of all peers run for this test.
162 static struct GNUNET_TESTING_PeerGroup *pg;
165 * Total number of peers to run, set based on config file.
167 static unsigned long long num_peers;
170 * How many puts do we currently have in flight?
172 static unsigned long long outstanding_puts;
175 * How many puts are done?
177 static unsigned long long puts_completed;
180 * How many puts do we currently have in flight?
182 static unsigned long long outstanding_gets;
185 * How many gets are done?
187 static unsigned long long gets_completed;
190 * How many gets failed?
192 static unsigned long long gets_failed;
195 * Directory to remove on shutdown.
197 static char *test_directory;
200 * Option to use when routing.
202 static enum GNUNET_DHT_RouteOption route_option;
205 * Task handle to use to schedule test failure / success.
207 static GNUNET_SCHEDULER_TaskIdentifier die_task;
210 * Global return value (0 for success, anything else for failure)
216 * Check whether peers successfully shut down.
219 shutdown_callback (void *cls, const char *emsg)
224 "Failed to shutdown testing topology: %s\n",
232 do_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
234 GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
240 * Function scheduled to be run on the successful completion of this
244 finish_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
246 struct TestPutContext *test_put;
247 struct TestGetContext *test_get;
249 die_task = GNUNET_SCHEDULER_NO_TASK;
250 while (NULL != (test_put = all_puts_head))
252 if (test_put->task != GNUNET_SCHEDULER_NO_TASK)
253 GNUNET_SCHEDULER_cancel (test_put->task);
254 if (test_put->dht_handle != NULL)
255 GNUNET_DHT_disconnect (test_put->dht_handle);
256 GNUNET_CONTAINER_DLL_remove (all_puts_head,
259 GNUNET_free (test_put);
262 while (NULL != (test_get = all_gets_head))
264 if (test_get->task != GNUNET_SCHEDULER_NO_TASK)
265 GNUNET_SCHEDULER_cancel (test_get->task);
266 if (test_get->get_handle != NULL)
267 GNUNET_DHT_get_stop (test_get->get_handle);
268 if (test_get->dht_handle != NULL)
269 GNUNET_DHT_disconnect (test_get->dht_handle);
270 GNUNET_CONTAINER_DLL_remove (all_gets_head,
273 GNUNET_free (test_get);
276 GNUNET_SCHEDULER_add_now (&do_stop, NULL);
281 * Check if the get_handle is being used, if so stop the request. Either
282 * way, schedule the end_badly_cont function which actually shuts down the
286 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
288 const char *emsg = cls;
289 struct TestPutContext *test_put;
290 struct TestGetContext *test_get;
292 die_task = GNUNET_SCHEDULER_NO_TASK;
294 "Failing test with error: `%s'!\n",
296 while (NULL != (test_put = all_puts_head))
298 if (test_put->task != GNUNET_SCHEDULER_NO_TASK)
299 GNUNET_SCHEDULER_cancel (test_put->task);
300 if (test_put->dht_handle != NULL)
301 GNUNET_DHT_disconnect (test_put->dht_handle);
302 GNUNET_CONTAINER_DLL_remove (all_puts_head,
305 GNUNET_free (test_put);
308 while (NULL != (test_get = all_gets_head))
310 if (test_get->task != GNUNET_SCHEDULER_NO_TASK)
311 GNUNET_SCHEDULER_cancel (test_get->task);
312 if (test_get->get_handle != NULL)
313 GNUNET_DHT_get_stop (test_get->get_handle);
314 if (test_get->dht_handle != NULL)
315 GNUNET_DHT_disconnect (test_get->dht_handle);
316 GNUNET_CONTAINER_DLL_remove (all_gets_head,
319 GNUNET_free (test_get);
322 GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
328 * Task to release get handle.
331 get_stop_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
333 struct TestGetContext *test_get = cls;
334 GNUNET_HashCode search_key; /* Key stored under */
335 char original_data[TEST_DATA_SIZE]; /* Made up data to store */
337 test_get->task = GNUNET_SCHEDULER_NO_TASK;
338 memset (original_data, test_get->uid, sizeof (original_data));
339 GNUNET_CRYPTO_hash (original_data, TEST_DATA_SIZE, &search_key);
340 if (test_get->succeeded != GNUNET_YES)
344 "Get from peer %s for key %s failed!\n",
345 GNUNET_i2s (&test_get->daemon->id),
346 GNUNET_h2s (&search_key));
348 GNUNET_assert (test_get->get_handle != NULL);
349 GNUNET_DHT_get_stop (test_get->get_handle);
350 test_get->get_handle = NULL;
352 outstanding_gets--; /* GET is really finished */
353 GNUNET_DHT_disconnect (test_get->dht_handle);
354 test_get->dht_handle = NULL;
356 GNUNET_CONTAINER_DLL_remove (all_gets_head,
359 GNUNET_free (test_get);
361 if ((gets_failed > 0) && (outstanding_gets == 0)) /* Had some failures */
364 "%llu gets succeeded, %llu gets failed!\n",
365 gets_completed, gets_failed);
366 GNUNET_SCHEDULER_cancel (die_task);
367 die_task = GNUNET_SCHEDULER_add_now (&end_badly, "not all gets succeeded");
371 if ( (gets_completed == num_peers * num_peers) &&
372 (outstanding_gets == 0) ) /* All gets successful */
374 GNUNET_SCHEDULER_cancel (die_task);
375 die_task = GNUNET_SCHEDULER_add_now (&finish_testing, NULL);
381 * Iterator called if the GET request initiated returns a response.
384 * @param exp when will this value expire
385 * @param key key of the result
386 * @param type type of the result
387 * @param size number of bytes in data
388 * @param data pointer to the result data
391 get_result_iterator (void *cls, struct GNUNET_TIME_Absolute exp,
392 const GNUNET_HashCode * key,
393 const struct GNUNET_PeerIdentity *get_path,
394 unsigned int get_path_length,
395 const struct GNUNET_PeerIdentity *put_path,
396 unsigned int put_path_length,
397 enum GNUNET_BLOCK_Type type, size_t size, const void *data)
399 struct TestGetContext *test_get = cls;
400 GNUNET_HashCode search_key; /* Key stored under */
401 char original_data[TEST_DATA_SIZE]; /* Made up data to store */
403 memset (original_data, test_get->uid, sizeof (original_data));
404 GNUNET_CRYPTO_hash (original_data, TEST_DATA_SIZE, &search_key);
405 if (test_get->succeeded == GNUNET_YES)
406 return; /* Get has already been successful, probably ending now */
409 if (put_path != NULL)
413 fprintf (stderr, "PUT (%u) Path: ",
415 for (i = 0; i<put_path_length; i++)
416 fprintf (stderr, "%s%s", i == 0 ? "" : "->", GNUNET_i2s (&put_path[i]));
417 fprintf (stderr, "\n");
419 if (get_path != NULL)
423 fprintf (stderr, "GET (%u) Path: ",
425 for (i = 0; i < get_path_length; i++)
426 fprintf (stderr, "%s%s", i == 0 ? "" : "->", GNUNET_i2s (&get_path[i]));
427 fprintf (stderr, "%s%s\n",
428 get_path_length > 0 ? "->":"",
429 GNUNET_i2s (&test_get->daemon->id));
433 if ((0 != memcmp (&search_key, key, sizeof (GNUNET_HashCode))) ||
434 (0 != memcmp (original_data, data, sizeof (original_data))))
437 "Key or data is not the same as was inserted!\n");
441 test_get->succeeded = GNUNET_YES;
442 GNUNET_SCHEDULER_cancel (test_get->task);
443 test_get->task = GNUNET_SCHEDULER_add_now (&get_stop_task, test_get);
448 * Set up some data, and call API PUT function
451 do_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
453 struct TestGetContext *test_get = cls;
454 GNUNET_HashCode key; /* Made up key to store data under */
455 char data[TEST_DATA_SIZE]; /* Made up data to store */
457 if (outstanding_gets > MAX_OUTSTANDING_GETS)
459 test_get->task = GNUNET_SCHEDULER_add_delayed (GET_DELAY, &do_get, test_get);
462 memset (data, test_get->uid, sizeof (data));
463 GNUNET_CRYPTO_hash (data, TEST_DATA_SIZE, &key);
464 test_get->dht_handle = GNUNET_DHT_connect (test_get->daemon->cfg, 10);
465 GNUNET_assert (test_get->dht_handle != NULL);
467 test_get->get_handle =
468 GNUNET_DHT_get_start (test_get->dht_handle, GNUNET_TIME_UNIT_FOREVER_REL,
469 GNUNET_BLOCK_TYPE_TEST, &key,
470 1, route_option, NULL, 0,
471 &get_result_iterator, test_get);
473 GNUNET_SCHEDULER_add_delayed (GET_TIMEOUT, &get_stop_task, test_get);
478 * Task to release DHT handles for PUT
481 put_disconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
483 struct TestPutContext *test_put = cls;
485 test_put->task = GNUNET_SCHEDULER_NO_TASK;
486 GNUNET_DHT_disconnect (test_put->dht_handle);
487 test_put->dht_handle = NULL;
488 GNUNET_CONTAINER_DLL_remove (all_puts_head,
491 GNUNET_free (test_put);
496 * Schedule the GET requests
499 start_gets (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
501 unsigned long long i;
502 unsigned long long j;
503 struct TestGetContext *test_get;
507 "Issuing %llu GETs\n",
508 num_peers * num_peers);
510 for (i = 0; i < num_peers; i++)
511 for (j = 0; j < num_peers; j++)
513 test_get = GNUNET_malloc (sizeof (struct TestGetContext));
514 test_get->uid = i + j*num_peers;
515 test_get->daemon = GNUNET_TESTING_daemon_get (pg, j);
516 GNUNET_CONTAINER_DLL_insert (all_gets_head,
519 test_get->task = GNUNET_SCHEDULER_add_now (&do_get,
526 * Called when the PUT request has been transmitted to the DHT service.
529 put_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
531 struct TestPutContext *test_put = cls;
535 GNUNET_SCHEDULER_cancel (test_put->task);
537 GNUNET_SCHEDULER_add_now (&put_disconnect_task, test_put);
538 if (puts_completed != num_peers * num_peers)
541 GNUNET_assert (outstanding_puts == 0);
542 GNUNET_SCHEDULER_add_delayed (START_DELAY,
549 * Set up some data, and call API PUT function
552 do_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
554 struct TestPutContext *test_put = cls;
555 GNUNET_HashCode key; /* Made up key to store data under */
556 char data[TEST_DATA_SIZE]; /* Made up data to store */
558 test_put->task = GNUNET_SCHEDULER_NO_TASK;
559 if (outstanding_puts > MAX_OUTSTANDING_PUTS)
561 test_put->task = GNUNET_SCHEDULER_add_delayed (PUT_DELAY, &do_put, test_put);
564 memset (data, test_put->uid, sizeof (data));
565 GNUNET_CRYPTO_hash (data, TEST_DATA_SIZE, &key);
566 test_put->dht_handle = GNUNET_DHT_connect (test_put->daemon->cfg, 10);
567 GNUNET_assert (test_put->dht_handle != NULL);
570 fprintf (stderr, "PUT %u at `%s'\n",
572 GNUNET_i2s (&test_put->daemon->id));
574 GNUNET_DHT_put (test_put->dht_handle, &key, 1,
575 route_option, GNUNET_BLOCK_TYPE_TEST, sizeof (data), data,
576 GNUNET_TIME_UNIT_FOREVER_ABS, GNUNET_TIME_UNIT_FOREVER_REL,
577 &put_finished, test_put);
579 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
580 &put_disconnect_task, test_put);
585 run_dht_test (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
587 unsigned long long i;
588 struct TestPutContext *test_put;
591 route_option = GNUNET_DHT_RO_RECORD_ROUTE | GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE;
593 route_option = GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE;
596 GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly,
597 "from setup puts/gets");
599 "Issuing %llu PUTs (one per peer)\n",
601 for (i = 0; i < num_peers * num_peers; i++)
603 test_put = GNUNET_malloc (sizeof (struct TestPutContext));
605 test_put->daemon = GNUNET_TESTING_daemon_get (pg, i % num_peers);
606 test_put->task = GNUNET_SCHEDULER_add_now (&do_put, test_put);
607 GNUNET_CONTAINER_DLL_insert (all_puts_head,
615 * This function is called once testing has finished setting up the topology.
618 * @param emsg variable is NULL on success (peers connected), and non-NULL on
619 * failure (peers failed to connect).
622 startup_done (void *cls, const char *emsg)
627 "Failed to setup topology: %s\n",
630 GNUNET_SCHEDULER_add_now (&end_badly,
631 "topology setup failed");
635 GNUNET_SCHEDULER_add_delayed (START_DELAY, &run_dht_test,
636 "from setup puts/gets");
641 run (void *cls, char *const *args, const char *cfgfile,
642 const struct GNUNET_CONFIGURATION_Handle *cfg)
644 /* Get path from configuration file */
646 GNUNET_CONFIGURATION_get_value_string (cfg, "paths", "servicehome",
654 GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "num_peers",
656 num_peers = DEFAULT_NUM_PEERS;
657 pg = GNUNET_TESTING_peergroup_start (cfg,
664 GNUNET_assert (NULL != pg);
673 /* Arguments for GNUNET_PROGRAM_run */
674 char *const argv[] = { "test-dht-multipeer", /* Name to give running binary */
676 "test_dht_multipeer_data.conf", /* Config file to use */
682 struct GNUNET_GETOPT_CommandLineOption options[] = {
683 GNUNET_GETOPT_OPTION_END
685 /* Run the run function as a new program */
687 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
688 "test-dht-multipeer", "nohelp", options, &run, &ok);
689 if (ret != GNUNET_OK)
691 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
692 "`test-dht-multipeer': Failed with error code %d\n", ret);
699 main (int argc, char *argv[])
704 GNUNET_log_setup ("test-dht-multipeer",
713 * Need to remove base directory, subdirectories taken care
714 * of by the testing framework.
716 if (GNUNET_DISK_directory_remove (test_directory) != GNUNET_OK)
718 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
719 "Failed to remove testing directory %s\n", test_directory);
724 /* end of test_dht_multipeer.c */