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/gnunet-dht-driver.c
22 * @brief Driver for setting up a group of gnunet peers and
23 * then issuing GETS and PUTS on the DHT. Coarse results
24 * are reported, fine grained results (if requested) are
25 * logged to a (mysql) database, or to file.
30 #include "gnunet_testing_lib.h"
31 #include "gnunet_core_service.h"
32 #include "gnunet_dht_service.h"
37 #define VERBOSE GNUNET_NO
39 /* Timeout for entire driver to run */
40 #define DEFAULT_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 5)
42 /* Timeout for waiting for (individual) replies to get requests */
43 #define DEFAULT_GET_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
45 #define DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
47 /* Timeout for waiting for gets to be sent to the service */
48 #define DEFAULT_GET_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10)
50 /* Timeout for waiting for puts to be sent to the service */
51 #define DEFAULT_PUT_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10)
53 /* Timeout for waiting for puts to be sent to the service */
54 #define DEFAULT_FIND_PEER_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 40)
56 #define DEFAULT_SECONDS_PER_PEER_START GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 45)
58 #define DEFAULT_TEST_DATA_SIZE 8
60 #define DEFAULT_BUCKET_SIZE 4
62 #define FIND_PEER_THRESHOLD DEFAULT_BUCKET_SIZE * 2
64 #define DEFAULT_MAX_OUTSTANDING_PUTS 10
66 #define DEFAULT_MAX_OUTSTANDING_FIND_PEERS 10
68 #define DEFAULT_FIND_PEER_OFFSET GNUNET_TIME_relative_divide (DEFAULT_FIND_PEER_DELAY, DEFAULT_MAX_OUTSTANDING_FIND_PEERS)
70 #define DEFAULT_MAX_OUTSTANDING_GETS 10
72 #define DEFAULT_CONNECT_TIMEOUT 60
74 #define DEFAULT_TOPOLOGY_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 8)
77 * Default frequency for sending malicious get messages
79 #define DEFAULT_MALICIOUS_GET_FREQUENCY 1000 /* Number of milliseconds */
82 * Default frequency for sending malicious put messages
84 #define DEFAULT_MALICIOUS_PUT_FREQUENCY 1000 /* Default is in milliseconds */
88 struct MaliciousContext
91 * Handle to DHT service (via the API)
93 struct GNUNET_DHT_Handle *dht_handle;
96 * Handle to the peer daemon
98 struct GNUNET_TESTING_Daemon *daemon;
101 * Task for disconnecting DHT handles
103 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
106 * What type of malicious to set this peer to.
113 /* This is a linked list */
114 struct TestFindPeer *next;
116 /* Handle to the bigger context */
117 struct FindPeerContext *find_peer_context;
120 * Handle to the peer's DHT service (via the API)
122 struct GNUNET_DHT_Handle *dht_handle;
125 * Handle to the peer daemon
127 struct GNUNET_TESTING_Daemon *daemon;
130 * Task for disconnecting DHT handles
132 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
135 struct TestPutContext
137 /* This is a linked list */
138 struct TestPutContext *next;
141 * Handle to the first peers DHT service (via the API)
143 struct GNUNET_DHT_Handle *dht_handle;
146 * Handle to the PUT peer daemon
148 struct GNUNET_TESTING_Daemon *daemon;
151 * Identifier for this PUT
156 * Task for disconnecting DHT handles
158 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
161 struct TestGetContext
163 /* This is a linked list */
164 struct TestGetContext *next;
167 * Handle to the first peers DHT service (via the API)
169 struct GNUNET_DHT_Handle *dht_handle;
172 * Handle for the DHT get request
174 struct GNUNET_DHT_GetHandle *get_handle;
177 * Handle to the GET peer daemon
179 struct GNUNET_TESTING_Daemon *daemon;
182 * Identifier for this GET
187 * Task for disconnecting DHT handles (and stopping GET)
189 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
192 * Whether or not this request has been fulfilled already.
198 * Simple struct to keep track of progress, and print a
199 * nice little percentage meter for long running tasks.
209 unsigned int completed;
213 char *startup_string;
217 * Linked list of information for populating statistics
218 * before ending trial.
220 struct StatisticsIteratorContext
222 const struct GNUNET_PeerIdentity *peer;
223 unsigned int stat_routes;
224 unsigned int stat_route_forwards;
225 unsigned int stat_results;
226 unsigned int stat_results_to_client;
227 unsigned int stat_result_forwards;
228 unsigned int stat_gets;
229 unsigned int stat_puts;
230 unsigned int stat_puts_inserted;
231 unsigned int stat_find_peer;
232 unsigned int stat_find_peer_start;
233 unsigned int stat_get_start;
234 unsigned int stat_put_start;
235 unsigned int stat_find_peer_reply;
236 unsigned int stat_get_reply;
237 unsigned int stat_find_peer_answer;
238 unsigned int stat_get_response_start;
242 * Context for getting a topology, logging it, and continuing
243 * on with some next operation.
245 struct TopologyIteratorContext
247 unsigned int total_connections;
248 struct GNUNET_PeerIdentity *peer;
249 GNUNET_SCHEDULER_Task cont;
251 struct GNUNET_TIME_Relative timeout;
257 * Timeout to let all get requests happen.
259 static struct GNUNET_TIME_Relative all_get_timeout;
264 static struct GNUNET_TIME_Relative get_timeout;
266 static struct GNUNET_TIME_Relative get_delay;
268 static struct GNUNET_TIME_Relative put_delay;
270 static struct GNUNET_TIME_Relative find_peer_delay;
272 static struct GNUNET_TIME_Relative find_peer_offset;
274 static struct GNUNET_TIME_Relative seconds_per_peer_start;
276 static int do_find_peer;
278 static unsigned long long test_data_size = DEFAULT_TEST_DATA_SIZE;
280 static unsigned long long max_outstanding_puts = DEFAULT_MAX_OUTSTANDING_PUTS;
282 static unsigned long long max_outstanding_gets = DEFAULT_MAX_OUTSTANDING_GETS;
284 static unsigned long long malicious_getters;
286 static unsigned long long max_outstanding_find_peers;
288 static unsigned long long malicious_putters;
290 static unsigned long long malicious_droppers;
292 static unsigned long long malicious_get_frequency;
294 static unsigned long long malicious_put_frequency;
296 static unsigned long long settle_time;
298 static struct GNUNET_DHTLOG_Handle *dhtlog_handle;
300 static unsigned long long trialuid;
303 * Hash map of stats contexts.
305 struct GNUNET_CONTAINER_MultiHashMap *stats_map;
308 * LL of malicious settings.
310 struct MaliciousContext *all_malicious;
313 * List of GETS to perform
315 struct TestGetContext *all_gets;
318 * List of PUTS to perform
320 struct TestPutContext *all_puts;
323 * Directory to store temporary data in, defined in config file
325 static char *test_directory;
328 * Variable used to store the number of connections we should wait for.
330 static unsigned int expected_connections;
333 * Variable used to keep track of how many peers aren't yet started.
335 static unsigned long long peers_left;
338 * Handle to the set of all peers run for this test.
340 static struct GNUNET_TESTING_PeerGroup *pg;
343 * Global scheduler, used for all GNUNET_SCHEDULER_* functions.
345 static struct GNUNET_SCHEDULER_Handle *sched;
348 * Global config handle.
350 const struct GNUNET_CONFIGURATION_Handle *config;
353 * Total number of peers to run, set based on config file.
355 static unsigned long long num_peers;
358 * Total number of items to insert.
360 static unsigned long long num_puts;
363 * How many puts do we currently have in flight?
365 static unsigned long long outstanding_puts;
368 * How many puts are done?
370 static unsigned long long puts_completed;
373 * Total number of items to attempt to get.
375 static unsigned long long num_gets;
378 * How many puts do we currently have in flight?
380 static unsigned long long outstanding_gets;
383 * How many gets are done?
385 static unsigned long long gets_completed;
388 * How many gets failed?
390 static unsigned long long gets_failed;
393 * How many malicious control messages do
394 * we currently have in flight?
396 static unsigned long long outstanding_malicious;
399 * How many set malicious peers are done?
401 static unsigned long long malicious_completed;
404 * Global used to count how many connections we have currently
405 * been notified about (how many times has topology_callback been called
408 static unsigned int total_connections;
411 * Global used to count how many failed connections we have
412 * been notified about (how many times has topology_callback
413 * been called with failure?)
415 static unsigned int failed_connections;
417 /* Task handle to use to schedule shutdown if something goes wrong */
418 GNUNET_SCHEDULER_TaskIdentifier die_task;
420 static char *blacklist_transports;
422 static enum GNUNET_TESTING_Topology topology;
424 static enum GNUNET_TESTING_Topology blacklist_topology = GNUNET_TESTING_TOPOLOGY_NONE; /* Don't do any blacklisting */
426 static enum GNUNET_TESTING_Topology connect_topology = GNUNET_TESTING_TOPOLOGY_NONE; /* NONE actually means connect all allowed peers */
428 static enum GNUNET_TESTING_TopologyOption connect_topology_option = GNUNET_TESTING_TOPOLOGY_OPTION_ALL;
430 static double connect_topology_option_modifier = 0.0;
432 static struct ProgressMeter *hostkey_meter;
434 static struct ProgressMeter *peer_start_meter;
436 static struct ProgressMeter *peer_connect_meter;
438 static struct ProgressMeter *put_meter;
440 static struct ProgressMeter *get_meter;
442 /* Global return value (0 for success, anything else for failure) */
446 * Create a meter to keep track of the progress of some task.
448 * @param total the total number of items to complete
449 * @param start_string a string to prefix the meter with (if printing)
450 * @param print GNUNET_YES to print the meter, GNUNET_NO to count
453 * @return the progress meter
455 static struct ProgressMeter *
456 create_meter(unsigned int total, char * start_string, int print)
458 struct ProgressMeter *ret;
459 ret = GNUNET_malloc(sizeof(struct ProgressMeter));
462 ret->modnum = total / 4;
463 ret->dotnum = (total / 50) + 1;
464 if (start_string != NULL)
465 ret->startup_string = GNUNET_strdup(start_string);
467 ret->startup_string = GNUNET_strdup("");
473 * Update progress meter (increment by one).
475 * @param meter the meter to update and print info for
477 * @return GNUNET_YES if called the total requested,
478 * GNUNET_NO if more items expected
481 update_meter(struct ProgressMeter *meter)
483 if (meter->print == GNUNET_YES)
485 if (meter->completed % meter->modnum == 0)
487 if (meter->completed == 0)
489 fprintf(stdout, "%sProgress: [0%%", meter->startup_string);
492 fprintf(stdout, "%d%%", (int)(((float)meter->completed / meter->total) * 100));
494 else if (meter->completed % meter->dotnum == 0)
495 fprintf(stdout, ".");
497 if (meter->completed + 1 == meter->total)
498 fprintf(stdout, "%d%%]\n", 100);
503 if (meter->completed == meter->total)
509 * Release resources for meter
511 * @param meter the meter to free
514 free_meter(struct ProgressMeter *meter)
516 GNUNET_free_non_null(meter->startup_string);
517 GNUNET_free_non_null(meter);
521 * Check whether peers successfully shut down.
523 void shutdown_callback (void *cls,
534 * Task to release DHT handles for PUT
537 put_disconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
539 struct TestPutContext *test_put = cls;
540 test_put->disconnect_task = GNUNET_SCHEDULER_NO_TASK;
541 GNUNET_DHT_disconnect(test_put->dht_handle);
542 test_put->dht_handle = NULL;
546 * Function scheduled to be run on the successful completion of this
550 finish_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
552 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Ending test normally!\n", (char *)cls);
553 GNUNET_assert (pg != NULL);
554 struct TestPutContext *test_put = all_puts;
555 struct TestGetContext *test_get = all_gets;
557 while (test_put != NULL)
559 if (test_put->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
560 GNUNET_SCHEDULER_cancel(sched, test_put->disconnect_task);
561 if (test_put->dht_handle != NULL)
562 GNUNET_DHT_disconnect(test_put->dht_handle);
563 test_put = test_put->next;
566 while (test_get != NULL)
568 if (test_get->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
569 GNUNET_SCHEDULER_cancel(sched, test_get->disconnect_task);
570 if (test_get->get_handle != NULL)
571 GNUNET_DHT_get_stop(test_get->get_handle, NULL, NULL);
572 if (test_get->dht_handle != NULL)
573 GNUNET_DHT_disconnect(test_get->dht_handle);
574 test_get = test_get->next;
577 GNUNET_TESTING_daemons_stop (pg, DEFAULT_TIMEOUT, &shutdown_callback, NULL);
579 if (dhtlog_handle != NULL)
581 fprintf(stderr, "Update trial endtime\n");
582 dhtlog_handle->update_trial (trialuid, gets_completed);
583 GNUNET_DHTLOG_disconnect(dhtlog_handle);
584 dhtlog_handle = NULL;
587 if (hostkey_meter != NULL)
588 free_meter(hostkey_meter);
589 if (peer_start_meter != NULL)
590 free_meter(peer_start_meter);
591 if (peer_connect_meter != NULL)
592 free_meter(peer_connect_meter);
593 if (put_meter != NULL)
594 free_meter(put_meter);
595 if (get_meter != NULL)
596 free_meter(get_meter);
602 * Callback for iterating over all the peer connections of a peer group.
604 void log_topology_cb (void *cls,
605 const struct GNUNET_PeerIdentity *first,
606 const struct GNUNET_PeerIdentity *second,
607 struct GNUNET_TIME_Relative latency,
611 struct TopologyIteratorContext *topo_ctx = cls;
612 if ((first != NULL) && (second != NULL))
614 topo_ctx->total_connections++;
615 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(config, "dht_testing", "mysql_logging_extended"))
616 dhtlog_handle->insert_extended_topology(first, second);
620 GNUNET_assert(dhtlog_handle != NULL);
621 fprintf(stderr, "topology iteration finished (%u connections), scheduling continuation\n", topo_ctx->total_connections);
622 dhtlog_handle->update_topology(topo_ctx->total_connections);
623 if (topo_ctx->cont != NULL)
624 GNUNET_SCHEDULER_add_now (sched, topo_ctx->cont, topo_ctx->cls);
625 GNUNET_free(topo_ctx);
630 * Iterator over hash map entries.
632 * @param cls closure - always NULL
633 * @param key current key code
634 * @param value value in the hash map, a stats context
635 * @return GNUNET_YES if we should continue to
639 static int stats_iterate (void *cls,
640 const GNUNET_HashCode * key,
643 struct StatisticsIteratorContext *stats_ctx;
647 dhtlog_handle->insert_stat(stats_ctx->peer, stats_ctx->stat_routes, stats_ctx->stat_route_forwards, stats_ctx->stat_results,
648 stats_ctx->stat_results_to_client, stats_ctx->stat_result_forwards, stats_ctx->stat_gets,
649 stats_ctx->stat_puts, stats_ctx->stat_puts_inserted, stats_ctx->stat_find_peer,
650 stats_ctx->stat_find_peer_start, stats_ctx->stat_get_start, stats_ctx->stat_put_start,
651 stats_ctx->stat_find_peer_reply, stats_ctx->stat_get_reply, stats_ctx->stat_find_peer_answer,
652 stats_ctx->stat_get_response_start);
653 GNUNET_free(stats_ctx);
657 static void stats_finished (void *cls, int result)
659 fprintf(stderr, "Finished getting all peers statistics, iterating!\n");
660 GNUNET_CONTAINER_multihashmap_iterate(stats_map, &stats_iterate, NULL);
661 GNUNET_CONTAINER_multihashmap_destroy(stats_map);
662 GNUNET_SCHEDULER_add_now (sched, &finish_testing, NULL);
666 * Callback function to process statistic values.
669 * @param peer the peer the statistics belong to
670 * @param subsystem name of subsystem that created the statistic
671 * @param name the name of the datum
672 * @param value the current value
673 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
674 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
676 static int stats_handle (void *cls,
677 const struct GNUNET_PeerIdentity *peer,
678 const char *subsystem,
683 struct StatisticsIteratorContext *stats_ctx;
685 if (dhtlog_handle != NULL)
686 dhtlog_handle->add_generic_stat(peer, name, subsystem, value);
687 if (GNUNET_CONTAINER_multihashmap_contains(stats_map, &peer->hashPubKey))
689 stats_ctx = GNUNET_CONTAINER_multihashmap_get(stats_map, &peer->hashPubKey);
693 stats_ctx = GNUNET_malloc(sizeof(struct StatisticsIteratorContext));
694 stats_ctx->peer = peer;
695 GNUNET_CONTAINER_multihashmap_put(stats_map, &peer->hashPubKey, stats_ctx, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
697 GNUNET_assert(stats_ctx != NULL);
699 if (strcmp(name, STAT_ROUTES) == 0)
700 stats_ctx->stat_routes = value;
701 else if (strcmp(name, STAT_ROUTE_FORWARDS) == 0)
702 stats_ctx->stat_route_forwards = value;
703 else if (strcmp(name, STAT_RESULTS) == 0)
704 stats_ctx->stat_results = value;
705 else if (strcmp(name, STAT_RESULTS_TO_CLIENT) == 0)
706 stats_ctx->stat_results_to_client = value;
707 else if (strcmp(name, STAT_RESULT_FORWARDS) == 0)
708 stats_ctx->stat_result_forwards = value;
709 else if (strcmp(name, STAT_GETS) == 0)
710 stats_ctx->stat_gets = value;
711 else if (strcmp(name, STAT_PUTS) == 0)
712 stats_ctx->stat_puts = value;
713 else if (strcmp(name, STAT_PUTS_INSERTED) == 0)
714 stats_ctx->stat_puts_inserted = value;
715 else if (strcmp(name, STAT_FIND_PEER) == 0)
716 stats_ctx->stat_find_peer = value;
717 else if (strcmp(name, STAT_FIND_PEER_START) == 0)
718 stats_ctx->stat_find_peer_start = value;
719 else if (strcmp(name, STAT_GET_START) == 0)
720 stats_ctx->stat_get_start = value;
721 else if (strcmp(name, STAT_PUT_START) == 0)
722 stats_ctx->stat_put_start = value;
723 else if (strcmp(name, STAT_FIND_PEER_REPLY) == 0)
724 stats_ctx->stat_find_peer_reply = value;
725 else if (strcmp(name, STAT_GET_REPLY) == 0)
726 stats_ctx->stat_get_reply = value;
727 else if (strcmp(name, STAT_FIND_PEER_ANSWER) == 0)
728 stats_ctx->stat_find_peer_answer = value;
729 else if (strcmp(name, STAT_GET_RESPONSE_START) == 0)
730 stats_ctx->stat_get_response_start = value;
736 * Connect to statistics service for each peer and get the appropriate
737 * dht statistics for safe keeping.
740 log_dht_statistics (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
742 stats_map = GNUNET_CONTAINER_multihashmap_create(num_peers);
743 fprintf(stderr, "Starting statistics logging\n");
744 GNUNET_TESTING_get_statistics(pg, &stats_finished, &stats_handle, NULL);
749 * Connect to all peers in the peer group and iterate over their
753 capture_current_topology (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
755 struct TopologyIteratorContext *topo_ctx = cls;
756 dhtlog_handle->insert_topology(0);
757 GNUNET_TESTING_get_topology (pg, &log_topology_cb, topo_ctx);
762 * Check if the get_handle is being used, if so stop the request. Either
763 * way, schedule the end_badly_cont function which actually shuts down the
767 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
769 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failing test with error: `%s'!\n", (char *)cls);
771 struct TestPutContext *test_put = all_puts;
772 struct TestGetContext *test_get = all_gets;
774 while (test_put != NULL)
776 if (test_put->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
777 GNUNET_SCHEDULER_cancel(sched, test_put->disconnect_task);
778 if (test_put->dht_handle != NULL)
779 GNUNET_DHT_disconnect(test_put->dht_handle);
780 test_put = test_put->next;
783 while (test_get != NULL)
785 if (test_get->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
786 GNUNET_SCHEDULER_cancel(sched, test_get->disconnect_task);
787 if (test_get->get_handle != NULL)
788 GNUNET_DHT_get_stop(test_get->get_handle, NULL, NULL);
789 if (test_get->dht_handle != NULL)
790 GNUNET_DHT_disconnect(test_get->dht_handle);
791 test_get = test_get->next;
794 GNUNET_TESTING_daemons_stop (pg, DEFAULT_TIMEOUT, &shutdown_callback, NULL);
796 if (dhtlog_handle != NULL)
798 fprintf(stderr, "Update trial endtime\n");
799 dhtlog_handle->update_trial (trialuid, gets_completed);
800 GNUNET_DHTLOG_disconnect(dhtlog_handle);
801 dhtlog_handle = NULL;
804 if (hostkey_meter != NULL)
805 free_meter(hostkey_meter);
806 if (peer_start_meter != NULL)
807 free_meter(peer_start_meter);
808 if (peer_connect_meter != NULL)
809 free_meter(peer_connect_meter);
810 if (put_meter != NULL)
811 free_meter(put_meter);
812 if (get_meter != NULL)
813 free_meter(get_meter);
819 * Task to release DHT handle associated with GET request.
822 get_stop_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
824 struct TestGetContext *test_get = cls;
825 struct TopologyIteratorContext *topo_ctx;
826 outstanding_gets--; /* GET is really finished */
827 GNUNET_DHT_disconnect(test_get->dht_handle);
828 test_get->dht_handle = NULL;
831 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%d gets succeeded, %d gets failed!\n", gets_completed, gets_failed);
833 update_meter(get_meter);
834 if ((gets_completed + gets_failed == num_gets) && (outstanding_gets == 0))
836 GNUNET_SCHEDULER_cancel(sched, die_task);
837 //GNUNET_SCHEDULER_add_now(sched, &finish_testing, NULL);
838 if (dhtlog_handle != NULL)
840 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
841 topo_ctx->cont = &log_dht_statistics;
842 GNUNET_SCHEDULER_add_now(sched, &capture_current_topology, topo_ctx);
845 GNUNET_SCHEDULER_add_now (sched, &finish_testing, NULL);
850 * Task to release get handle.
853 get_stop_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
855 struct TestGetContext *test_get = cls;
857 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
859 GNUNET_assert(test_get->get_handle != NULL);
860 GNUNET_DHT_get_stop(test_get->get_handle, &get_stop_finished, test_get);
861 test_get->get_handle = NULL;
862 test_get->disconnect_task = GNUNET_SCHEDULER_NO_TASK;
866 * Iterator called if the GET request initiated returns a response.
869 * @param exp when will this value expire
870 * @param key key of the result
871 * @param type type of the result
872 * @param size number of bytes in data
873 * @param data pointer to the result data
875 void get_result_iterator (void *cls,
876 struct GNUNET_TIME_Absolute exp,
877 const GNUNET_HashCode * key,
882 struct TestGetContext *test_get = cls;
883 GNUNET_HashCode search_key; /* Key stored under */
884 char original_data[test_data_size]; /* Made up data to store */
886 memset(original_data, test_get->uid, sizeof(original_data));
887 GNUNET_CRYPTO_hash(original_data, test_data_size, &search_key);
889 if (test_get->succeeded == GNUNET_YES)
890 return; /* Get has already been successful, probably ending now */
892 if ((0 != memcmp(&search_key, key, sizeof (GNUNET_HashCode))) || (0 != memcmp(original_data, data, sizeof(original_data))))
894 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Key or data is not the same as was inserted!\n");
899 test_get->succeeded = GNUNET_YES;
902 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received correct GET response!\n");
904 GNUNET_SCHEDULER_cancel(sched, test_get->disconnect_task);
905 GNUNET_SCHEDULER_add_continuation(sched, &get_stop_task, test_get, GNUNET_SCHEDULER_REASON_PREREQ_DONE);
909 * Continuation telling us GET request was sent.
912 get_continuation (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
914 // Is there something to be done here?
915 if (tc->reason != GNUNET_SCHEDULER_REASON_PREREQ_DONE)
920 * Set up some data, and call API PUT function
923 do_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
925 struct TestGetContext *test_get = cls;
926 GNUNET_HashCode key; /* Made up key to store data under */
927 char data[test_data_size]; /* Made up data to store */
931 GNUNET_SCHEDULER_cancel(sched, die_task);
932 GNUNET_SCHEDULER_add_now(sched, &finish_testing, NULL);
934 if (test_get == NULL)
935 return; /* End of the list */
937 memset(data, test_get->uid, sizeof(data));
938 GNUNET_CRYPTO_hash(data, test_data_size, &key);
940 if (outstanding_gets > max_outstanding_gets)
942 GNUNET_SCHEDULER_add_delayed (sched, get_delay, &do_get, test_get);
946 test_get->dht_handle = GNUNET_DHT_connect(sched, test_get->daemon->cfg, 10);
947 /* Insert the data at the first peer */
948 GNUNET_assert(test_get->dht_handle != NULL);
950 test_get->get_handle = GNUNET_DHT_get_start(test_get->dht_handle,
951 GNUNET_TIME_relative_get_forever(),
954 &get_result_iterator,
959 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting get for uid %u from peer %s\n",
961 test_get->daemon->shortname);
963 test_get->disconnect_task = GNUNET_SCHEDULER_add_delayed(sched, get_timeout, &get_stop_task, test_get);
964 GNUNET_SCHEDULER_add_now (sched, &do_get, test_get->next);
968 * Called when the PUT request has been transmitted to the DHT service.
969 * Schedule the GET request for some time in the future.
972 put_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
974 struct TestPutContext *test_put = cls;
975 struct TopologyIteratorContext *topo_ctx;
979 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
980 fprintf(stderr, "PUT Request failed!\n");
982 GNUNET_SCHEDULER_cancel(sched, test_put->disconnect_task);
983 test_put->disconnect_task = GNUNET_SCHEDULER_add_now(sched, &put_disconnect_task, test_put);
984 if (GNUNET_YES == update_meter(put_meter))
986 GNUNET_assert(outstanding_puts == 0);
987 GNUNET_SCHEDULER_cancel (sched, die_task);
988 if (dhtlog_handle != NULL)
990 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
991 topo_ctx->cont = &do_get;
992 topo_ctx->cls = all_gets;
993 topo_ctx->timeout = DEFAULT_GET_TIMEOUT;
994 die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_add(GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout), DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT),
995 &end_badly, "from do gets");
996 GNUNET_SCHEDULER_add_now(sched, &capture_current_topology, topo_ctx);
1000 die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout),
1001 &end_badly, "from do gets");
1002 GNUNET_SCHEDULER_add_delayed(sched, DEFAULT_GET_TIMEOUT, &do_get, all_gets);
1003 GNUNET_SCHEDULER_add_now (sched, &finish_testing, NULL);
1010 * Set up some data, and call API PUT function
1013 do_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1015 struct TestPutContext *test_put = cls;
1016 GNUNET_HashCode key; /* Made up key to store data under */
1017 char data[test_data_size]; /* Made up data to store */
1020 if (test_put == NULL)
1021 return; /* End of list */
1023 memset(data, test_put->uid, sizeof(data));
1024 GNUNET_CRYPTO_hash(data, test_data_size, &key);
1026 if (outstanding_puts > max_outstanding_puts)
1028 GNUNET_SCHEDULER_add_delayed (sched, put_delay, &do_put, test_put);
1033 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting put for uid %u from peer %s\n",
1035 test_put->daemon->shortname);
1037 test_put->dht_handle = GNUNET_DHT_connect(sched, test_put->daemon->cfg, 10);
1039 GNUNET_assert(test_put->dht_handle != NULL);
1041 GNUNET_DHT_put(test_put->dht_handle,
1045 GNUNET_TIME_absolute_get_forever(),
1046 GNUNET_TIME_relative_get_forever(),
1047 &put_finished, test_put);
1048 test_put->disconnect_task = GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_get_forever(), &put_disconnect_task, test_put);
1049 rand = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 2);
1050 GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, rand), &do_put, test_put->next);
1054 * Context for sending out find peer requests.
1056 struct FindPeerContext
1058 struct GNUNET_DHT_Handle *dht_handle;
1059 struct GNUNET_TIME_Absolute endtime;
1060 unsigned int current_peers;
1061 unsigned int previous_peers;
1062 unsigned int outstanding;
1067 schedule_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
1070 * Given a number of total peers and a bucket size, estimate the number of
1071 * connections in a perfect kademlia topology.
1073 static unsigned int connection_estimate(unsigned int peer_count, unsigned int bucket_size)
1076 unsigned int filled;
1080 while (i > bucket_size)
1085 return filled * bucket_size * peer_count;
1090 * Callback for iterating over all the peer connections of a peer group.
1092 void count_peers_cb (void *cls,
1093 const struct GNUNET_PeerIdentity *first,
1094 const struct GNUNET_PeerIdentity *second,
1095 struct GNUNET_TIME_Relative latency,
1099 struct FindPeerContext *find_peer_context = cls;
1100 if ((first != NULL) && (second != NULL))
1102 find_peer_context->current_peers++;
1106 GNUNET_assert(dhtlog_handle != NULL);
1107 fprintf(stderr, "peer count finished (%u connections), %u new peers, connection estimate %u\n", find_peer_context->current_peers, find_peer_context->current_peers - find_peer_context->previous_peers, connection_estimate(num_peers, DEFAULT_BUCKET_SIZE));
1108 if ((find_peer_context->current_peers - find_peer_context->previous_peers > FIND_PEER_THRESHOLD) &&
1109 (find_peer_context->current_peers < connection_estimate(num_peers, DEFAULT_BUCKET_SIZE)) &&
1110 (GNUNET_TIME_absolute_get_remaining(find_peer_context->endtime).value > 0))
1112 GNUNET_SCHEDULER_add_now(sched, schedule_find_peer_requests, find_peer_context);
1116 fprintf(stderr, "Not sending any more find peer requests.\n");
1122 * Connect to all peers in the peer group and iterate over their
1126 count_new_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1128 struct FindPeerContext *find_peer_context = cls;
1129 find_peer_context->previous_peers = find_peer_context->current_peers;
1130 find_peer_context->current_peers = 0;
1131 GNUNET_TESTING_get_topology (pg, &count_peers_cb, find_peer_context);
1136 decrement_find_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1138 struct TestFindPeer *test_find_peer = cls;
1139 GNUNET_assert(test_find_peer->find_peer_context->outstanding > 0);
1140 test_find_peer->find_peer_context->outstanding--;
1141 test_find_peer->find_peer_context->total--;
1142 if ((0 == test_find_peer->find_peer_context->total) &&
1143 (GNUNET_TIME_absolute_get_remaining(test_find_peer->find_peer_context->endtime).value > 0))
1145 GNUNET_SCHEDULER_add_now(sched, &count_new_peers, test_find_peer->find_peer_context);
1147 GNUNET_free(test_find_peer);
1151 * A find peer request has been sent to the server, now we will schedule a task
1152 * to wait the appropriate time to allow the request to go out and back.
1154 * @param cls closure - a TestFindPeer struct
1155 * @param tc context the task is being called with
1158 handle_find_peer_sent (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1160 struct TestFindPeer *test_find_peer = cls;
1162 GNUNET_DHT_disconnect(test_find_peer->dht_handle);
1163 GNUNET_SCHEDULER_add_delayed(sched, find_peer_delay, &decrement_find_peers, test_find_peer);
1167 send_find_peer_request (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1169 struct TestFindPeer *test_find_peer = cls;
1171 if (test_find_peer->find_peer_context->outstanding > max_outstanding_find_peers)
1173 GNUNET_SCHEDULER_add_delayed(sched, DEFAULT_FIND_PEER_OFFSET, &send_find_peer_request, test_find_peer);
1177 test_find_peer->find_peer_context->outstanding++;
1178 if (GNUNET_TIME_absolute_get_remaining(test_find_peer->find_peer_context->endtime).value == 0)
1180 GNUNET_SCHEDULER_add_now(sched, &decrement_find_peers, test_find_peer);
1184 test_find_peer->dht_handle = GNUNET_DHT_connect(sched, test_find_peer->daemon->cfg, 1);
1185 GNUNET_assert(test_find_peer->dht_handle != NULL);
1186 GNUNET_DHT_find_peers (test_find_peer->dht_handle,
1187 &handle_find_peer_sent, test_find_peer);
1191 * Set up a single find peer request for each peer in the topology. Do this
1192 * until the settle time is over, limited by the number of outstanding requests
1193 * and the time allowed for each one!
1196 schedule_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1198 struct FindPeerContext *find_peer_ctx = cls;
1199 struct TestFindPeer *test_find_peer;
1203 for (i = 0; i < max_outstanding_find_peers; i++)
1205 test_find_peer = GNUNET_malloc(sizeof(struct TestFindPeer));
1206 random = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
1207 test_find_peer->daemon = GNUNET_TESTING_daemon_get(pg, random);
1208 test_find_peer->find_peer_context = find_peer_ctx;
1209 find_peer_ctx->total++;
1210 GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(DEFAULT_FIND_PEER_OFFSET, i), &send_find_peer_request, test_find_peer);
1215 * Set up some all of the put and get operations we want
1216 * to do. Allocate data structure for each, add to list,
1217 * then call actual insert functions.
1220 setup_puts_and_gets (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1223 uint32_t temp_daemon;
1224 struct TestPutContext *test_put;
1225 struct TestGetContext *test_get;
1226 int remember[num_puts][num_peers];
1228 memset(&remember, 0, sizeof(int) * num_puts * num_peers);
1229 for (i = 0; i < num_puts; i++)
1231 test_put = GNUNET_malloc(sizeof(struct TestPutContext));
1233 temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
1234 test_put->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
1235 test_put->next = all_puts;
1236 all_puts = test_put;
1239 for (i = 0; i < num_gets; i++)
1241 test_get = GNUNET_malloc(sizeof(struct TestGetContext));
1242 test_get->uid = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_puts);
1243 temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
1244 while (remember[test_get->uid][temp_daemon] == 1)
1245 temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
1246 test_get->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
1247 remember[test_get->uid][temp_daemon] = 1;
1248 test_get->next = all_gets;
1249 all_gets = test_get;
1252 /*GNUNET_SCHEDULER_cancel (sched, die_task);*/
1253 die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, num_puts * 2),
1254 &end_badly, "from do puts");
1255 GNUNET_SCHEDULER_add_now (sched, &do_put, all_puts);
1259 * Set up some all of the put and get operations we want
1260 * to do. Allocate data structure for each, add to list,
1261 * then call actual insert functions.
1264 continue_puts_and_gets (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1268 struct TopologyIteratorContext *topo_ctx;
1269 struct FindPeerContext *find_peer_context;
1270 if (dhtlog_handle != NULL)
1272 if (settle_time >= 60 * 2)
1273 max = (settle_time / 60) - 2;
1276 for (i = 1; i < max; i++)
1278 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
1279 fprintf(stderr, "scheduled topology iteration in %d minutes\n", i);
1280 GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, i), &capture_current_topology, topo_ctx);
1282 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
1283 topo_ctx->cont = &setup_puts_and_gets;
1284 GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time), &capture_current_topology, topo_ctx);
1287 GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time), &setup_puts_and_gets, NULL);
1289 if (GNUNET_YES == do_find_peer)
1291 find_peer_context = GNUNET_malloc(sizeof(struct FindPeerContext));
1292 find_peer_context->endtime = GNUNET_TIME_relative_to_absolute(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time));
1293 GNUNET_SCHEDULER_add_now(sched, &schedule_find_peer_requests, find_peer_context);
1298 * Task to release DHT handles
1301 malicious_disconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1303 struct MaliciousContext *ctx = cls;
1304 outstanding_malicious--;
1305 malicious_completed++;
1306 ctx->disconnect_task = GNUNET_SCHEDULER_NO_TASK;
1307 GNUNET_DHT_disconnect(ctx->dht_handle);
1308 ctx->dht_handle = NULL;
1311 if (malicious_completed == malicious_getters + malicious_putters + malicious_droppers)
1313 GNUNET_SCHEDULER_cancel(sched, die_task);
1314 fprintf(stderr, "Finished setting all malicious peers up, calling continuation!\n");
1315 if (dhtlog_handle != NULL)
1316 GNUNET_SCHEDULER_add_now (sched,
1317 &continue_puts_and_gets, NULL);
1319 GNUNET_SCHEDULER_add_delayed (sched,
1320 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time),
1321 &continue_puts_and_gets, NULL);
1327 * Task to release DHT handles
1330 malicious_done_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1332 struct MaliciousContext *ctx = cls;
1333 GNUNET_SCHEDULER_cancel(sched, ctx->disconnect_task);
1334 GNUNET_SCHEDULER_add_now(sched, &malicious_disconnect_task, ctx);
1338 * Set up some data, and call API PUT function
1341 set_malicious (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1343 struct MaliciousContext *ctx = cls;
1346 if (outstanding_malicious > DEFAULT_MAX_OUTSTANDING_GETS)
1348 GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100), &set_malicious, ctx);
1352 if (ctx->dht_handle == NULL)
1354 ctx->dht_handle = GNUNET_DHT_connect(sched, ctx->daemon->cfg, 1);
1355 outstanding_malicious++;
1358 GNUNET_assert(ctx->dht_handle != NULL);
1362 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting peer %s malicious type %d\n",
1363 ctx->daemon->shortname, ctx->malicious_type);
1367 switch (ctx->malicious_type)
1369 case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET:
1370 ret = GNUNET_DHT_set_malicious_getter(ctx->dht_handle, malicious_get_frequency, &malicious_done_task, ctx);
1372 case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT:
1373 ret = GNUNET_DHT_set_malicious_putter(ctx->dht_handle, malicious_put_frequency, &malicious_done_task, ctx);
1375 case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP:
1376 ret = GNUNET_DHT_set_malicious_dropper(ctx->dht_handle, &malicious_done_task, ctx);
1382 if (ret == GNUNET_NO)
1384 GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100), &set_malicious, ctx);
1387 ctx->disconnect_task = GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_get_forever(), &malicious_disconnect_task, ctx);
1391 * Select randomly from set of known peers,
1392 * set the desired number of peers to the
1393 * proper malicious types.
1396 setup_malicious_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1398 struct MaliciousContext *ctx;
1400 uint32_t temp_daemon;
1402 for (i = 0; i < malicious_getters; i++)
1404 ctx = GNUNET_malloc(sizeof(struct MaliciousContext));
1405 temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
1406 ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
1407 ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET;
1408 GNUNET_SCHEDULER_add_now (sched, &set_malicious, ctx);
1412 for (i = 0; i < malicious_putters; i++)
1414 ctx = GNUNET_malloc(sizeof(struct MaliciousContext));
1415 temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
1416 ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
1417 ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT;
1418 GNUNET_SCHEDULER_add_now (sched, &set_malicious, ctx);
1422 for (i = 0; i < malicious_droppers; i++)
1424 ctx = GNUNET_malloc(sizeof(struct MaliciousContext));
1425 temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
1426 ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
1427 ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP;
1428 GNUNET_SCHEDULER_add_now (sched, &set_malicious, ctx);
1431 if (malicious_getters + malicious_putters + malicious_droppers > 0)
1432 die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, (malicious_getters + malicious_putters + malicious_droppers) * 2),
1433 &end_badly, "from set malicious");
1436 if (dhtlog_handle != NULL)
1437 GNUNET_SCHEDULER_add_now (sched,
1438 &continue_puts_and_gets, NULL);
1440 GNUNET_SCHEDULER_add_delayed (sched,
1441 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time),
1442 &continue_puts_and_gets, NULL);
1448 * This function is called whenever a connection attempt is finished between two of
1449 * the started peers (started with GNUNET_TESTING_daemons_start). The total
1450 * number of times this function is called should equal the number returned
1451 * from the GNUNET_TESTING_connect_topology call.
1453 * The emsg variable is NULL on success (peers connected), and non-NULL on
1454 * failure (peers failed to connect).
1457 topology_callback (void *cls,
1458 const struct GNUNET_PeerIdentity *first,
1459 const struct GNUNET_PeerIdentity *second,
1461 const struct GNUNET_CONFIGURATION_Handle *first_cfg,
1462 const struct GNUNET_CONFIGURATION_Handle *second_cfg,
1463 struct GNUNET_TESTING_Daemon *first_daemon,
1464 struct GNUNET_TESTING_Daemon *second_daemon,
1467 struct TopologyIteratorContext *topo_ctx;
1470 total_connections++;
1472 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "connected peer %s to peer %s, distance %u\n",
1473 first_daemon->shortname,
1474 second_daemon->shortname,
1481 failed_connections++;
1482 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to connect peer %s to peer %s with error :\n%s\n",
1483 first_daemon->shortname,
1484 second_daemon->shortname, emsg);
1487 GNUNET_assert(peer_connect_meter != NULL);
1488 if (GNUNET_YES == update_meter(peer_connect_meter))
1491 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1492 "Created %d total connections, which is our target number! Starting next phase of testing.\n",
1495 if (dhtlog_handle != NULL)
1497 dhtlog_handle->update_connections (trialuid, total_connections);
1498 dhtlog_handle->insert_topology(expected_connections);
1501 GNUNET_SCHEDULER_cancel (sched, die_task);
1502 /*die_task = GNUNET_SCHEDULER_add_delayed (sched, DEFAULT_TIMEOUT,
1503 &end_badly, "from setup puts/gets");*/
1504 if ((dhtlog_handle != NULL) && (settle_time > 0))
1506 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
1507 topo_ctx->cont = &setup_malicious_peers;
1508 //topo_ctx->cont = &continue_puts_and_gets;
1509 GNUNET_SCHEDULER_add_now(sched, &capture_current_topology, topo_ctx);
1513 GNUNET_SCHEDULER_add_now(sched, &setup_malicious_peers, NULL);
1514 /*GNUNET_SCHEDULER_add_delayed (sched,
1515 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time),
1516 &continue_puts_and_gets, NULL);*/
1519 else if (total_connections + failed_connections == expected_connections)
1521 GNUNET_SCHEDULER_cancel (sched, die_task);
1522 die_task = GNUNET_SCHEDULER_add_now (sched,
1523 &end_badly, "from topology_callback (too many failed connections)");
1528 peers_started_callback (void *cls,
1529 const struct GNUNET_PeerIdentity *id,
1530 const struct GNUNET_CONFIGURATION_Handle *cfg,
1531 struct GNUNET_TESTING_Daemon *d, const char *emsg)
1535 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to start daemon with error: `%s'\n",
1539 GNUNET_assert (id != NULL);
1542 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started daemon %llu out of %llu\n",
1543 (num_peers - peers_left) + 1, num_peers);
1548 if (GNUNET_YES == update_meter(peer_start_meter))
1551 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1552 "All %d daemons started, now connecting peers!\n",
1555 GNUNET_SCHEDULER_cancel (sched, die_task);
1557 expected_connections = -1;
1558 if ((pg != NULL) && (peers_left == 0))
1560 expected_connections = GNUNET_TESTING_connect_topology (pg, connect_topology, connect_topology_option, connect_topology_option_modifier);
1562 peer_connect_meter = create_meter(expected_connections, "Peer connection ", GNUNET_YES);
1563 fprintf(stderr, "Have %d expected connections\n", expected_connections);
1566 if (expected_connections == GNUNET_SYSERR)
1568 die_task = GNUNET_SCHEDULER_add_now (sched,
1569 &end_badly, "from connect topology (bad return)");
1572 die_task = GNUNET_SCHEDULER_add_delayed (sched,
1573 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, DEFAULT_CONNECT_TIMEOUT * expected_connections),
1574 &end_badly, "from connect topology (timeout)");
1583 peers_left = num_peers; /* Reset counter */
1584 if (GNUNET_TESTING_create_topology (pg, topology, blacklist_topology, blacklist_transports) != GNUNET_SYSERR)
1587 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1588 "Topology set up, now starting peers!\n");
1590 GNUNET_TESTING_daemons_continue_startup(pg);
1594 GNUNET_SCHEDULER_cancel (sched, die_task);
1595 die_task = GNUNET_SCHEDULER_add_now (sched,
1596 &end_badly, "from create topology (bad return)");
1598 GNUNET_free_non_null(blacklist_transports);
1599 GNUNET_SCHEDULER_cancel (sched, die_task);
1600 die_task = GNUNET_SCHEDULER_add_delayed (sched,
1601 GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers),
1602 &end_badly, "from continue startup (timeout)");
1606 * Callback indicating that the hostkey was created for a peer.
1609 * @param id the peer identity
1610 * @param d the daemon handle (pretty useless at this point, remove?)
1611 * @param emsg non-null on failure
1613 void hostkey_callback (void *cls,
1614 const struct GNUNET_PeerIdentity *id,
1615 struct GNUNET_TESTING_Daemon *d,
1620 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Hostkey callback received error: %s\n", emsg);
1624 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1625 "Hostkey (%d/%d) created for peer `%s'\n",
1626 num_peers - peers_left, num_peers, GNUNET_i2s(id));
1630 if (GNUNET_YES == update_meter(hostkey_meter))
1633 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1634 "All %d hostkeys created, now creating topology!\n",
1637 GNUNET_SCHEDULER_cancel (sched, die_task);
1638 /* Set up task in case topology creation doesn't finish
1639 * within a reasonable amount of time */
1640 die_task = GNUNET_SCHEDULER_add_delayed (sched,
1641 DEFAULT_TOPOLOGY_TIMEOUT,
1642 &end_badly, "from create_topology");
1643 GNUNET_SCHEDULER_add_now(sched, &create_topology, NULL);
1651 struct GNUNET_SCHEDULER_Handle *s,
1653 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
1656 struct GNUNET_TESTING_Host *hosts;
1657 struct GNUNET_TESTING_Host *temphost;
1659 char *connect_topology_str;
1660 char *blacklist_topology_str;
1661 char *connect_topology_option_str;
1662 char *connect_topology_option_modifier_string;
1664 char *topology_percentage_str;
1665 float topology_percentage;
1666 char *topology_probability_str;
1668 float topology_probability;
1669 unsigned long long temp_config_number;
1672 int strict_kademlia;
1679 /* Get path from configuration file */
1680 if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string(cfg, "paths", "servicehome", &test_directory))
1687 * Get DHT specific testing options.
1689 if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing", "mysql_logging")) ||
1690 (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing", "mysql_logging_extended")))
1692 dhtlog_handle = GNUNET_DHTLOG_connect(cfg);
1693 if (dhtlog_handle == NULL)
1695 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1696 "Could not connect to mysql server for logging, will NOT log dht operations!");
1702 stop_closest = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "stop_on_closest");
1703 if (stop_closest == GNUNET_SYSERR)
1704 stop_closest = GNUNET_NO;
1706 stop_found = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "stop_found");
1707 if (stop_found == GNUNET_SYSERR)
1708 stop_found = GNUNET_NO;
1710 strict_kademlia = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "strict_kademlia");
1711 if (strict_kademlia == GNUNET_SYSERR)
1712 strict_kademlia = GNUNET_NO;
1715 GNUNET_CONFIGURATION_get_value_string (cfg, "dht_testing", "comment",
1717 trialmessage = NULL;
1720 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "hostfile",
1726 if (hostfile != NULL)
1728 if (GNUNET_OK != GNUNET_DISK_file_test (hostfile))
1729 GNUNET_DISK_fn_write (hostfile, NULL, 0, GNUNET_DISK_PERM_USER_READ
1730 | GNUNET_DISK_PERM_USER_WRITE);
1731 if ((0 != STAT (hostfile, &frstat)) || (frstat.st_size == 0))
1733 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1734 "Could not open file specified for host list, ending test!");
1736 GNUNET_free_non_null(trialmessage);
1737 GNUNET_free(hostfile);
1741 data = GNUNET_malloc_large (frstat.st_size);
1742 GNUNET_assert(data != NULL);
1743 if (frstat.st_size !=
1744 GNUNET_DISK_fn_read (hostfile, data, frstat.st_size))
1746 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1747 "Could not read file %s specified for host list, ending test!", hostfile);
1748 GNUNET_free (hostfile);
1750 GNUNET_free_non_null(trialmessage);
1754 GNUNET_free_non_null(hostfile);
1758 while (count < frstat.st_size)
1761 if (((data[count] == '\n') || (data[count] == '\0')) && (buf != &data[count]))
1764 temphost = GNUNET_malloc(sizeof(struct GNUNET_TESTING_Host));
1765 temphost->hostname = buf;
1766 temphost->next = hosts;
1768 buf = &data[count + 1];
1770 else if ((data[count] == '\n') || (data[count] == '\0'))
1771 buf = &data[count + 1];
1776 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_getters",
1777 &malicious_getters))
1778 malicious_getters = 0;
1781 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_putters",
1782 &malicious_putters))
1783 malicious_putters = 0;
1786 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_droppers",
1787 &malicious_droppers))
1788 malicious_droppers = 0;
1791 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "settle_time",
1795 if (GNUNET_SYSERR ==
1796 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "num_puts",
1798 num_puts = num_peers;
1800 if (GNUNET_SYSERR ==
1801 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "num_gets",
1803 num_gets = num_peers;
1806 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "find_peer_delay",
1807 &temp_config_number))
1808 find_peer_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
1810 find_peer_delay = DEFAULT_FIND_PEER_DELAY;
1813 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_find_peers",
1814 &temp_config_number))
1815 max_outstanding_find_peers = temp_config_number;
1817 max_outstanding_find_peers = DEFAULT_MAX_OUTSTANDING_FIND_PEERS;
1820 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "get_timeout",
1821 &temp_config_number))
1822 get_timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
1824 get_timeout = DEFAULT_GET_TIMEOUT;
1827 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_puts",
1828 &temp_config_number))
1829 max_outstanding_puts = temp_config_number;
1831 max_outstanding_puts = DEFAULT_MAX_OUTSTANDING_PUTS;
1834 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_gets",
1835 &temp_config_number))
1836 max_outstanding_gets = temp_config_number;
1838 max_outstanding_gets = DEFAULT_MAX_OUTSTANDING_GETS;
1841 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "timeout",
1842 &temp_config_number))
1843 all_get_timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
1845 all_get_timeout.value = get_timeout.value * ((num_gets / max_outstanding_gets) + 1);
1848 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "get_delay",
1849 &temp_config_number))
1850 get_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
1852 get_delay = DEFAULT_GET_DELAY;
1855 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "put_delay",
1856 &temp_config_number))
1857 put_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
1859 put_delay = DEFAULT_PUT_DELAY;
1862 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "peer_start_timeout",
1863 &temp_config_number))
1864 seconds_per_peer_start = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
1866 seconds_per_peer_start = DEFAULT_SECONDS_PER_PEER_START;
1869 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "data_size",
1870 &temp_config_number))
1871 test_data_size = temp_config_number;
1873 test_data_size = DEFAULT_TEST_DATA_SIZE;
1876 * Get testing related options.
1879 if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING",
1880 "MALICIOUS_GET_FREQUENCY",
1881 &malicious_get_frequency))
1882 malicious_get_frequency = DEFAULT_MALICIOUS_GET_FREQUENCY;
1885 if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING",
1886 "MALICIOUS_PUT_FREQUENCY",
1887 &malicious_put_frequency))
1888 malicious_put_frequency = DEFAULT_MALICIOUS_PUT_FREQUENCY;
1891 GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
1894 do_find_peer = GNUNET_NO;
1897 do_find_peer = GNUNET_YES;
1899 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING",
1901 &temp_config_number))
1903 find_peer_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
1906 find_peer_delay = DEFAULT_FIND_PEER_DELAY;
1908 if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING",
1909 "OUTSTANDING_FIND_PEERS",
1910 &max_outstanding_find_peers))
1911 max_outstanding_find_peers = DEFAULT_MAX_OUTSTANDING_FIND_PEERS;
1913 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "strict_kademlia"))
1914 max_outstanding_find_peers = max_outstanding_find_peers * 1;
1916 find_peer_offset = GNUNET_TIME_relative_divide (find_peer_delay, max_outstanding_find_peers);
1918 topology_str = NULL;
1920 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "topology",
1921 &topology_str)) && (GNUNET_NO == GNUNET_TESTING_topology_get(&topology, topology_str)))
1923 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1924 "Invalid topology `%s' given for section %s option %s\n", topology_str, "TESTING", "TOPOLOGY");
1925 topology = GNUNET_TESTING_TOPOLOGY_CLIQUE; /* Defaults to NONE, so set better default here */
1929 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "percentage",
1930 &topology_percentage_str))
1931 topology_percentage = 0.5;
1934 topology_percentage = atof (topology_percentage_str);
1935 GNUNET_free(topology_percentage_str);
1939 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "probability",
1940 &topology_probability_str))
1941 topology_probability = 0.5;
1944 topology_probability = atof (topology_probability_str);
1945 GNUNET_free(topology_probability_str);
1949 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "connect_topology",
1950 &connect_topology_str)) && (GNUNET_NO == GNUNET_TESTING_topology_get(&connect_topology, connect_topology_str)))
1952 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1953 "Invalid connect topology `%s' given for section %s option %s\n", connect_topology_str, "TESTING", "CONNECT_TOPOLOGY");
1955 GNUNET_free_non_null(connect_topology_str);
1958 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "connect_topology_option",
1959 &connect_topology_option_str)) && (GNUNET_NO == GNUNET_TESTING_topology_option_get(&connect_topology_option, connect_topology_option_str)))
1961 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1962 "Invalid connect topology option `%s' given for section %s option %s\n", connect_topology_option_str, "TESTING", "CONNECT_TOPOLOGY_OPTION");
1963 connect_topology_option = GNUNET_TESTING_TOPOLOGY_OPTION_ALL; /* Defaults to NONE, set to ALL */
1965 GNUNET_free_non_null(connect_topology_option_str);
1968 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "connect_topology_option_modifier",
1969 &connect_topology_option_modifier_string))
1971 if (sscanf(connect_topology_option_modifier_string, "%lf", &connect_topology_option_modifier) != 1)
1973 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1974 _("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
1975 connect_topology_option_modifier_string,
1976 "connect_topology_option_modifier",
1979 GNUNET_free (connect_topology_option_modifier_string);
1982 if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "blacklist_transports",
1983 &blacklist_transports))
1984 blacklist_transports = NULL;
1987 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "blacklist_topology",
1988 &blacklist_topology_str)) &&
1989 (GNUNET_NO == GNUNET_TESTING_topology_get(&blacklist_topology, blacklist_topology_str)))
1991 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1992 "Invalid topology `%s' given for section %s option %s\n", topology_str, "TESTING", "BLACKLIST_TOPOLOGY");
1994 GNUNET_free_non_null(topology_str);
1995 GNUNET_free_non_null(blacklist_topology_str);
1997 /* Get number of peers to start from configuration */
1998 if (GNUNET_SYSERR ==
1999 GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "num_peers",
2002 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2003 "Number of peers must be specified in section %s option %s\n", topology_str, "TESTING", "NUM_PEERS");
2005 GNUNET_assert(num_peers > 0 && num_peers < (unsigned long long)-1);
2006 /* Set peers_left so we know when all peers started */
2007 peers_left = num_peers;
2009 /* Set up a task to end testing if peer start fails */
2010 die_task = GNUNET_SCHEDULER_add_delayed (sched,
2011 GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers),
2012 &end_badly, "didn't generate all hostkeys within allowed startup time!");
2014 if (dhtlog_handle == NULL)
2015 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2016 "dhtlog_handle is NULL!");
2018 if ((trialmessage != NULL) && (dhtlog_handle != NULL))
2020 dhtlog_handle->insert_trial (&trialuid, peers_left, topology,
2021 blacklist_topology, connect_topology,
2022 connect_topology_option,
2023 connect_topology_option_modifier, topology_percentage,
2024 topology_probability, num_puts, num_gets,
2025 max_outstanding_gets, settle_time, 1,
2026 malicious_getters, malicious_putters,
2027 malicious_droppers, malicious_get_frequency,
2028 malicious_put_frequency, stop_closest, stop_found,
2029 strict_kademlia, 0, trialmessage);
2031 else if (dhtlog_handle != NULL)
2033 dhtlog_handle->insert_trial (&trialuid, peers_left, topology,
2034 blacklist_topology, connect_topology,
2035 connect_topology_option,
2036 connect_topology_option_modifier, topology_percentage,
2037 topology_probability, num_puts, num_gets,
2038 max_outstanding_gets, settle_time, 1,
2039 malicious_getters, malicious_putters,
2040 malicious_droppers, malicious_get_frequency,
2041 malicious_put_frequency, stop_closest, stop_found,
2042 strict_kademlia, 0, "");
2045 GNUNET_free_non_null(trialmessage);
2047 hostkey_meter = create_meter(peers_left, "Hostkeys created ", GNUNET_YES);
2048 peer_start_meter = create_meter(peers_left, "Peers started ", GNUNET_YES);
2050 put_meter = create_meter(num_puts, "Puts completed ", GNUNET_YES);
2051 get_meter = create_meter(num_gets, "Gets completed ", GNUNET_YES);
2052 pg = GNUNET_TESTING_daemons_start (sched, cfg,
2054 GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers),
2055 &hostkey_callback, NULL,
2056 &peers_started_callback, NULL,
2057 &topology_callback, NULL,
2060 GNUNET_free_non_null(temphost);
2065 main (int argc, char *argv[])
2068 struct GNUNET_GETOPT_CommandLineOption options[] = {
2069 GNUNET_GETOPT_OPTION_END
2072 ret = GNUNET_PROGRAM_run (argc,
2073 argv, "gnunet-dht-driver", "nohelp",
2074 options, &run, &ok);
2076 if (ret != GNUNET_OK)
2078 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "`gnunet-dht-driver': Failed with error code %d\n", ret);
2082 * Need to remove base directory, subdirectories taken care
2083 * of by the testing framework.
2085 if (GNUNET_DISK_directory_remove (test_directory) != GNUNET_OK)
2087 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to remove testing directory %s\n", test_directory);
2092 /* end of test_dht_twopeer_put_get.c */