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.
26 * @author Nathan Evans (who to blame)
29 #ifndef HAVE_MALICIOUS
32 #include "gnunet_testing_lib.h"
33 #include "gnunet_core_service.h"
34 #include "gnunet_dht_service.h"
39 #define VERBOSE GNUNET_NO
41 /* Timeout for entire driver to run */
42 #define DEFAULT_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 5)
44 /* Timeout for waiting for (individual) replies to get requests */
45 #define DEFAULT_GET_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
47 #define DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
49 /* Timeout for waiting for gets to be sent to the service */
50 #define DEFAULT_GET_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10)
52 /* Timeout for waiting for puts to be sent to the service */
53 #define DEFAULT_PUT_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10)
55 /* Time to allow a find peer request to take */
56 #define DEFAULT_FIND_PEER_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 40)
58 /* Time to wait for all peers disconnected due to to churn to actually be removed from system */
59 #define DEFAULT_PEER_DISCONNECT_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 5)
61 #define DEFAULT_SECONDS_PER_PEER_START GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 45)
63 #define DEFAULT_TEST_DATA_SIZE 8
65 #define DEFAULT_BUCKET_SIZE 4
67 #define FIND_PEER_THRESHOLD 1
69 /* If more than this many peers are added, slow down sending */
70 #define MAX_FIND_PEER_CUTOFF 2000
72 /* If less than this many peers are added, speed up sending */
73 #define MIN_FIND_PEER_CUTOFF 500
75 /* How often (in seconds) to print out connection information */
76 #define CONN_UPDATE_DURATION 10
78 #define DEFAULT_MAX_OUTSTANDING_PUTS 10
80 #define DEFAULT_MAX_OUTSTANDING_FIND_PEERS 128
82 #define DEFAULT_FIND_PEER_OFFSET GNUNET_TIME_relative_divide (DEFAULT_FIND_PEER_DELAY, DEFAULT_MAX_OUTSTANDING_FIND_PEERS)
84 #define DEFAULT_MAX_OUTSTANDING_GETS 10
86 #define DEFAULT_CONNECT_TIMEOUT 60
88 #define DEFAULT_TOPOLOGY_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 8)
90 #define DEFAULT_RECONNECT_ATTEMPTS 8
93 * Default frequency for sending malicious get messages
95 #define DEFAULT_MALICIOUS_GET_FREQUENCY GNUNET_TIME_UNIT_SECONDS
98 * Default frequency for sending malicious put messages
100 #define DEFAULT_MALICIOUS_PUT_FREQUENCY GNUNET_TIME_UNIT_SECONDS
104 struct MaliciousContext
107 * Handle to DHT service (via the API)
109 struct GNUNET_DHT_Handle *dht_handle;
112 * Handle to the peer daemon
114 struct GNUNET_TESTING_Daemon *daemon;
117 * Task for disconnecting DHT handles
119 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
122 * What type of malicious to set this peer to.
129 /* This is a linked list */
130 struct TestFindPeer *next;
132 /* Handle to the bigger context */
133 struct FindPeerContext *find_peer_context;
136 * Handle to the peer's DHT service (via the API)
138 struct GNUNET_DHT_Handle *dht_handle;
141 * Handle to the peer daemon
143 struct GNUNET_TESTING_Daemon *daemon;
146 * Task for disconnecting DHT handles
148 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
151 struct TestPutContext
153 /* This is a linked list */
154 struct TestPutContext *next;
157 * Handle to the first peers DHT service (via the API)
159 struct GNUNET_DHT_Handle *dht_handle;
162 * Handle to the PUT peer daemon
164 struct GNUNET_TESTING_Daemon *daemon;
167 * Identifier for this PUT
172 * Task for disconnecting DHT handles
174 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
177 struct TestGetContext
179 /* This is a linked list */
180 struct TestGetContext *next;
183 * Handle to the first peers DHT service (via the API)
185 struct GNUNET_DHT_Handle *dht_handle;
188 * Handle for the DHT get request
190 struct GNUNET_DHT_GetHandle *get_handle;
193 * Handle to the GET peer daemon
195 struct GNUNET_TESTING_Daemon *daemon;
198 * Identifier for this GET
203 * Task for disconnecting DHT handles (and stopping GET)
205 GNUNET_SCHEDULER_TaskIdentifier disconnect_task;
208 * Whether or not this request has been fulfilled already.
214 * Simple struct to keep track of progress, and print a
215 * nice little percentage meter for long running tasks.
225 unsigned int completed;
229 char *startup_string;
233 * Linked list of information for populating statistics
234 * before ending trial.
236 struct StatisticsIteratorContext
238 const struct GNUNET_PeerIdentity *peer;
239 unsigned int stat_routes;
240 unsigned int stat_route_forwards;
241 unsigned int stat_results;
242 unsigned int stat_results_to_client;
243 unsigned int stat_result_forwards;
244 unsigned int stat_gets;
245 unsigned int stat_puts;
246 unsigned int stat_puts_inserted;
247 unsigned int stat_find_peer;
248 unsigned int stat_find_peer_start;
249 unsigned int stat_get_start;
250 unsigned int stat_put_start;
251 unsigned int stat_find_peer_reply;
252 unsigned int stat_get_reply;
253 unsigned int stat_find_peer_answer;
254 unsigned int stat_get_response_start;
258 * Context for getting a topology, logging it, and continuing
259 * on with some next operation.
261 struct TopologyIteratorContext
263 unsigned int total_iterations;
264 unsigned int current_iteration;
265 unsigned int total_connections;
266 unsigned int total_peers;
267 struct GNUNET_CONTAINER_MultiHashMap *peers_seen;
268 struct GNUNET_PeerIdentity *peer;
269 GNUNET_SCHEDULER_Task cont;
271 struct GNUNET_TIME_Relative timeout;
277 /** Node in the heap */
278 struct GNUNET_CONTAINER_HeapNode *heap_node;
280 /** Peer the count refers to */
281 struct GNUNET_PeerIdentity peer_id;
283 /** Count of connections this peer has */
288 * Context for sending out find peer requests.
290 struct FindPeerContext
293 * How long to send find peer requests, once the settle time
294 * is over don't send any more out!
296 * TODO: Add option for settle time and find peer sending time?
298 struct GNUNET_TIME_Absolute endtime;
301 * Number of connections in the current topology
302 * (after this round of find peer requests has ended).
304 unsigned int current_peers;
307 * Number of connections in the current topology
308 * (before this round of find peer requests started).
310 unsigned int previous_peers;
313 * Number of find peer requests we have currently
316 unsigned int outstanding;
319 * Number of find peer requests to send in this round.
324 * Number of find peer requests sent last time around.
326 unsigned int last_sent;
329 * Hashmap of peers in the current topology, value
330 * is a PeerCount, with the number of connections
333 struct GNUNET_CONTAINER_MultiHashMap *peer_hash;
336 * Min heap which orders values in the peer_hash for
339 struct GNUNET_CONTAINER_Heap *peer_min_heap;
342 * Callback for counting the peers in the current topology.
344 GNUNET_TESTING_NotifyTopology count_peers_cb;
350 * Next full round (puts + gets).
355 * Next round of gets.
360 * Next round of puts.
365 * Next round of churn.
375 * How long to try to connect two peers.
377 struct GNUNET_TIME_Relative connect_timeout;
380 * How many times to re-attempt connecting two peers.
382 static unsigned long long connect_attempts;
385 * Timeout to let all GET requests happen.
387 static struct GNUNET_TIME_Relative all_get_timeout;
392 static struct GNUNET_TIME_Relative get_timeout;
395 * Time to allow for GET requests to be sent to service.
397 static struct GNUNET_TIME_Relative get_delay;
400 * Time to allow for PUT requests to be sent to service.
402 static struct GNUNET_TIME_Relative put_delay;
405 * Delay between sending find peer requests (if
406 * handled by the driver, no effect if sent by service).
408 static struct GNUNET_TIME_Relative find_peer_delay;
411 * Time between find peer requests
412 * (find_peer_delay / max_outstanding_find_peer)
414 static struct GNUNET_TIME_Relative find_peer_offset;
417 * How many seconds to allow each peer to start.
419 static struct GNUNET_TIME_Relative seconds_per_peer_start;
422 * At what time did we start the connection process.
424 static struct GNUNET_TIME_Absolute connect_start_time;
427 * What was the last time we updated connection/second information.
429 static struct GNUNET_TIME_Absolute connect_last_time;
432 * Boolean value, should the driver issue find peer requests
433 * (GNUNET_YES) or should it be left to the service (GNUNET_NO)
435 static unsigned int do_find_peer;
438 * Boolean value, should replication be done by the dht
439 * service (GNUNET_YES) or by the driver (GNUNET_NO)
441 static unsigned int in_dht_replication;
444 * Size of test data to insert/retrieve during testing.
446 static unsigned long long test_data_size = DEFAULT_TEST_DATA_SIZE;
449 * Maximum number of concurrent connections to peers.
451 static unsigned long long max_outstanding_connections;
454 * Maximum number of concurrent PUT requests.
456 static unsigned long long max_outstanding_puts = DEFAULT_MAX_OUTSTANDING_PUTS;
459 * Maximum number of concurrent GET requests.
461 static unsigned long long max_outstanding_gets = DEFAULT_MAX_OUTSTANDING_GETS;
464 * Number of nodes issuing malicious GET messages.
466 static unsigned long long malicious_getters;
469 * Maximum number of concurrent find peer messages being sent.
471 static unsigned long long max_outstanding_find_peers;
474 * Number of nodes issuing malicious PUT messages.
476 static unsigned long long malicious_putters;
479 * Time (in seconds) to delay between rounds.
481 static unsigned long long round_delay;
484 * How many malicious droppers to seed in the network.
486 static unsigned long long malicious_droppers;
489 * Bloom filter to restrict malicious nodes chosen.
491 struct GNUNET_CONTAINER_BloomFilter *malicious_bloom;
494 * Whether malicious droppers should be chosen based on proximity to a key.
496 static int malicious_sybil;
499 * Target for the malicious sybil nodes (choose the closest to this key).
501 static GNUNET_HashCode sybil_target;
504 * How often to send malicious GET messages.
506 static struct GNUNET_TIME_Relative malicious_get_frequency;
509 * How often to send malicious PUT messages.
511 static struct GNUNET_TIME_Relative malicious_put_frequency;
514 * How long to send find peer requests.
516 static unsigned long long settle_time;
519 * Handle to the dhtlog service.
521 static struct GNUNET_DHTLOG_Handle *dhtlog_handle;
524 * Replication value for GET requests.
526 static unsigned long long get_replication;
529 * Replication value for PUT requests.
531 static unsigned long long put_replication;
534 * If GNUNET_YES, insert data at the same peers every time.
535 * Otherwise, choose a new random peer to insert at each time.
537 static unsigned int replicate_same;
540 * If GNUNET_YES, issue GET requests at the same peers every time.
541 * Otherwise, choose a new random peer/data combination to search
544 static unsigned int get_from_same;
547 * Should malicious peers be set after allowing for settle time?
548 * Default is to set them malicious after initial connection setup.
550 static unsigned int malicious_after_settle;
553 * Number of rounds for testing (PUTS + GETS)
555 static unsigned long long total_rounds;
558 * Target number of connections (will stop sending find peer
559 * messages when this number is exceeded)
561 static unsigned long long target_total_connections;
564 * Number of rounds already run
566 static unsigned int rounds_finished;
569 * Number of rounds of churn to read from the file (first line, should be a single number).
571 static unsigned int churn_rounds;
574 * Current round we are in for churn, tells us how many peers to connect/disconnect.
576 static unsigned int current_churn_round;
579 * Number of times to churn per round
581 static unsigned long long churns_per_round;
584 * Array of churn values.
586 static unsigned int *churn_array;
589 * Hash map of stats contexts.
591 static struct GNUNET_CONTAINER_MultiHashMap *stats_map;
594 * LL of malicious settings.
596 struct MaliciousContext *all_malicious;
599 * List of GETS to perform
601 struct TestGetContext *all_gets;
604 * List of PUTS to perform
606 struct TestPutContext *all_puts;
609 * Directory to store temporary data in, defined in config file
611 static char *test_directory;
614 * Variable used to store the number of connections we should wait for.
616 static unsigned int expected_connections;
619 * Variable used to keep track of how many peers aren't yet started.
621 static unsigned long long peers_left;
624 * Handle to the set of all peers run for this test.
626 static struct GNUNET_TESTING_PeerGroup *pg;
630 * Global config handle.
632 static const struct GNUNET_CONFIGURATION_Handle *config;
635 * Total number of peers to run, set based on config file.
637 static unsigned long long num_peers;
640 * Total number of items to insert.
642 static unsigned long long num_puts;
645 * How many puts do we currently have in flight?
647 static unsigned long long outstanding_puts;
650 * How many puts are done?
652 static unsigned long long puts_completed;
655 * Total number of items to attempt to get.
657 static unsigned long long num_gets;
660 * How many puts do we currently have in flight?
662 static unsigned long long outstanding_gets;
665 * How many gets are done?
667 static unsigned long long gets_completed;
670 * How many gets failed?
672 static unsigned long long gets_failed;
675 * How many malicious control messages do
676 * we currently have in flight?
678 static unsigned long long outstanding_malicious;
681 * How many set malicious peers are done?
683 static unsigned long long malicious_completed;
686 * Global used to count how many connections we have currently
687 * been notified about (how many times has topology_callback been called
690 static unsigned int total_connections;
693 * Previous connections, for counting new connections during some duration.
695 static unsigned int previous_connections;
698 * Global used to count how many failed connections we have
699 * been notified about (how many times has topology_callback
700 * been called with failure?)
702 static unsigned int failed_connections;
704 /* Task handle to use to schedule shutdown if something goes wrong */
705 GNUNET_SCHEDULER_TaskIdentifier die_task;
707 static char *blacklist_transports;
709 static enum GNUNET_TESTING_Topology topology;
711 static enum GNUNET_TESTING_Topology blacklist_topology = GNUNET_TESTING_TOPOLOGY_NONE; /* Don't do any blacklisting */
713 static enum GNUNET_TESTING_Topology connect_topology = GNUNET_TESTING_TOPOLOGY_NONE; /* NONE actually means connect all allowed peers */
715 static enum GNUNET_TESTING_TopologyOption connect_topology_option = GNUNET_TESTING_TOPOLOGY_OPTION_ALL;
717 static double connect_topology_option_modifier = 0.0;
719 static struct ProgressMeter *hostkey_meter;
721 static struct ProgressMeter *peer_start_meter;
723 static struct ProgressMeter *peer_connect_meter;
725 static struct ProgressMeter *put_meter;
727 static struct ProgressMeter *get_meter;
729 static GNUNET_HashCode *known_keys;
731 /* Global return value (0 for success, anything else for failure) */
735 * Create a meter to keep track of the progress of some task.
737 * @param total the total number of items to complete
738 * @param start_string a string to prefix the meter with (if printing)
739 * @param print GNUNET_YES to print the meter, GNUNET_NO to count
742 * @return the progress meter
744 static struct ProgressMeter *
745 create_meter(unsigned int total, char * start_string, int print)
747 struct ProgressMeter *ret;
748 ret = GNUNET_malloc(sizeof(struct ProgressMeter));
751 ret->modnum = total / 4;
752 ret->dotnum = (total / 50) + 1;
753 if (start_string != NULL)
754 ret->startup_string = GNUNET_strdup(start_string);
756 ret->startup_string = GNUNET_strdup("");
762 * Update progress meter (increment by one).
764 * @param meter the meter to update and print info for
766 * @return GNUNET_YES if called the total requested,
767 * GNUNET_NO if more items expected
770 update_meter(struct ProgressMeter *meter)
772 if (meter->print == GNUNET_YES)
774 if (meter->completed % meter->modnum == 0)
776 if (meter->completed == 0)
778 fprintf(stdout, "%sProgress: [0%%", meter->startup_string);
781 fprintf(stdout, "%d%%", (int)(((float)meter->completed / meter->total) * 100));
783 else if (meter->completed % meter->dotnum == 0)
784 fprintf(stdout, ".");
786 if (meter->completed + 1 == meter->total)
787 fprintf(stdout, "%d%%]\n", 100);
792 if (meter->completed == meter->total)
798 * Reset progress meter.
800 * @param meter the meter to reset
802 * @return GNUNET_YES if meter reset,
803 * GNUNET_SYSERR on error
806 reset_meter(struct ProgressMeter *meter)
809 return GNUNET_SYSERR;
811 meter->completed = 0;
816 * Release resources for meter
818 * @param meter the meter to free
821 free_meter(struct ProgressMeter *meter)
823 GNUNET_free_non_null (meter->startup_string);
828 * Check whether peers successfully shut down.
831 shutdown_callback (void *cls,
842 * Task to release DHT handles for PUT
845 put_disconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
847 struct TestPutContext *test_put = cls;
848 test_put->disconnect_task = GNUNET_SCHEDULER_NO_TASK;
849 GNUNET_DHT_disconnect(test_put->dht_handle);
850 test_put->dht_handle = NULL;
851 if (replicate_same == GNUNET_NO)
852 test_put->daemon = GNUNET_TESTING_daemon_get(pg, GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers));
856 * Function scheduled to be run on the successful completion of this
860 finish_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
862 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Ending test normally!\n", (char *)cls);
863 GNUNET_assert (pg != NULL);
864 struct TestPutContext *test_put = all_puts;
865 struct TestGetContext *test_get = all_gets;
867 while (test_put != NULL)
869 if (test_put->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
870 GNUNET_SCHEDULER_cancel(test_put->disconnect_task);
871 if (test_put->dht_handle != NULL)
872 GNUNET_DHT_disconnect(test_put->dht_handle);
873 test_put = test_put->next;
876 while (test_get != NULL)
878 if (test_get->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
879 GNUNET_SCHEDULER_cancel(test_get->disconnect_task);
880 if (test_get->get_handle != NULL)
881 GNUNET_DHT_get_stop(test_get->get_handle);
882 if (test_get->dht_handle != NULL)
883 GNUNET_DHT_disconnect(test_get->dht_handle);
884 test_get = test_get->next;
887 GNUNET_TESTING_daemons_stop (pg, DEFAULT_TIMEOUT, &shutdown_callback, NULL);
889 if (dhtlog_handle != NULL)
891 fprintf(stderr, "Update trial endtime\n");
892 dhtlog_handle->update_trial (gets_completed);
893 GNUNET_DHTLOG_disconnect(dhtlog_handle);
894 dhtlog_handle = NULL;
897 if (hostkey_meter != NULL)
898 free_meter(hostkey_meter);
899 if (peer_start_meter != NULL)
900 free_meter(peer_start_meter);
901 if (peer_connect_meter != NULL)
902 free_meter(peer_connect_meter);
903 if (put_meter != NULL)
904 free_meter(put_meter);
905 if (get_meter != NULL)
906 free_meter(get_meter);
912 * Callback for iterating over all the peer connections of a peer group.
915 log_topology_cb (void *cls,
916 const struct GNUNET_PeerIdentity *first,
917 const struct GNUNET_PeerIdentity *second,
920 struct TopologyIteratorContext *topo_ctx = cls;
921 if ((first != NULL) && (second != NULL))
923 /* GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "According to CORE, peer %s is connected to %s\n", GNUNET_i2s(first), GNUNET_h2s(&second->hashPubKey));*/
924 if ((topo_ctx->peers_seen != NULL) && (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(topo_ctx->peers_seen, &first->hashPubKey)))
926 GNUNET_CONTAINER_multihashmap_put(topo_ctx->peers_seen, &first->hashPubKey, NULL, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
927 topo_ctx->total_peers++;
929 topo_ctx->total_connections++;
930 if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(config, "dht_testing", "mysql_logging")) ||
931 (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(config, "dht_testing", "mysql_logging_extended")))
932 dhtlog_handle->insert_extended_topology(first, second);
936 GNUNET_assert(dhtlog_handle != NULL);
937 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Topology iteration (%u/%u) finished (%u connections, %u peers)\n", topo_ctx->current_iteration, topo_ctx->total_iterations, topo_ctx->total_connections, topo_ctx->total_peers);
938 dhtlog_handle->update_topology(topo_ctx->total_connections);
939 if (topo_ctx->cont != NULL)
940 GNUNET_SCHEDULER_add_now (topo_ctx->cont, topo_ctx->cls);
941 if (topo_ctx->peers_seen != NULL)
942 GNUNET_CONTAINER_multihashmap_destroy(topo_ctx->peers_seen);
943 GNUNET_free(topo_ctx);
948 * Iterator over hash map entries.
950 * @param cls closure - always NULL
951 * @param key current key code
952 * @param value value in the hash map, a stats context
953 * @return GNUNET_YES if we should continue to
957 static int stats_iterate (void *cls,
958 const GNUNET_HashCode * key,
961 struct StatisticsIteratorContext *stats_ctx;
965 dhtlog_handle->insert_stat(stats_ctx->peer, stats_ctx->stat_routes, stats_ctx->stat_route_forwards, stats_ctx->stat_results,
966 stats_ctx->stat_results_to_client, stats_ctx->stat_result_forwards, stats_ctx->stat_gets,
967 stats_ctx->stat_puts, stats_ctx->stat_puts_inserted, stats_ctx->stat_find_peer,
968 stats_ctx->stat_find_peer_start, stats_ctx->stat_get_start, stats_ctx->stat_put_start,
969 stats_ctx->stat_find_peer_reply, stats_ctx->stat_get_reply, stats_ctx->stat_find_peer_answer,
970 stats_ctx->stat_get_response_start);
971 GNUNET_free(stats_ctx);
976 stats_finished (void *cls, int result)
978 fprintf(stderr, "Finished getting all peers statistics, iterating!\n");
979 GNUNET_CONTAINER_multihashmap_iterate(stats_map, &stats_iterate, NULL);
980 GNUNET_CONTAINER_multihashmap_destroy(stats_map);
981 GNUNET_SCHEDULER_add_now (&finish_testing, NULL);
985 * Callback function to process statistic values.
988 * @param peer the peer the statistics belong to
989 * @param subsystem name of subsystem that created the statistic
990 * @param name the name of the datum
991 * @param value the current value
992 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
993 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
995 static int stats_handle (void *cls,
996 const struct GNUNET_PeerIdentity *peer,
997 const char *subsystem,
1002 struct StatisticsIteratorContext *stats_ctx;
1004 if (dhtlog_handle != NULL)
1005 dhtlog_handle->add_generic_stat(peer, name, subsystem, value);
1006 if (GNUNET_CONTAINER_multihashmap_contains(stats_map, &peer->hashPubKey))
1008 stats_ctx = GNUNET_CONTAINER_multihashmap_get(stats_map, &peer->hashPubKey);
1012 stats_ctx = GNUNET_malloc(sizeof(struct StatisticsIteratorContext));
1013 stats_ctx->peer = peer;
1014 GNUNET_CONTAINER_multihashmap_put(stats_map, &peer->hashPubKey, stats_ctx, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
1016 GNUNET_assert(stats_ctx != NULL);
1018 if (strcmp(name, STAT_ROUTES) == 0)
1019 stats_ctx->stat_routes = value;
1020 else if (strcmp(name, STAT_ROUTE_FORWARDS) == 0)
1021 stats_ctx->stat_route_forwards = value;
1022 else if (strcmp(name, STAT_RESULTS) == 0)
1023 stats_ctx->stat_results = value;
1024 else if (strcmp(name, STAT_RESULTS_TO_CLIENT) == 0)
1025 stats_ctx->stat_results_to_client = value;
1026 else if (strcmp(name, STAT_RESULT_FORWARDS) == 0)
1027 stats_ctx->stat_result_forwards = value;
1028 else if (strcmp(name, STAT_GETS) == 0)
1029 stats_ctx->stat_gets = value;
1030 else if (strcmp(name, STAT_PUTS) == 0)
1031 stats_ctx->stat_puts = value;
1032 else if (strcmp(name, STAT_PUTS_INSERTED) == 0)
1033 stats_ctx->stat_puts_inserted = value;
1034 else if (strcmp(name, STAT_FIND_PEER) == 0)
1035 stats_ctx->stat_find_peer = value;
1036 else if (strcmp(name, STAT_FIND_PEER_START) == 0)
1037 stats_ctx->stat_find_peer_start = value;
1038 else if (strcmp(name, STAT_GET_START) == 0)
1039 stats_ctx->stat_get_start = value;
1040 else if (strcmp(name, STAT_PUT_START) == 0)
1041 stats_ctx->stat_put_start = value;
1042 else if (strcmp(name, STAT_FIND_PEER_REPLY) == 0)
1043 stats_ctx->stat_find_peer_reply = value;
1044 else if (strcmp(name, STAT_GET_REPLY) == 0)
1045 stats_ctx->stat_get_reply = value;
1046 else if (strcmp(name, STAT_FIND_PEER_ANSWER) == 0)
1047 stats_ctx->stat_find_peer_answer = value;
1048 else if (strcmp(name, STAT_GET_RESPONSE_START) == 0)
1049 stats_ctx->stat_get_response_start = value;
1055 * Connect to statistics service for each peer and get the appropriate
1056 * dht statistics for safe keeping.
1059 log_dht_statistics (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1061 stats_map = GNUNET_CONTAINER_multihashmap_create(num_peers);
1062 fprintf(stderr, "Starting statistics logging\n");
1063 GNUNET_TESTING_get_statistics(pg, &stats_finished, &stats_handle, NULL);
1068 * Connect to all peers in the peer group and iterate over their
1072 capture_current_topology (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1074 struct TopologyIteratorContext *topo_ctx = cls;
1075 dhtlog_handle->insert_topology(0);
1076 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Called capture_current_topology\n");
1077 GNUNET_TESTING_get_topology (pg, &log_topology_cb, topo_ctx);
1082 * Check if the get_handle is being used, if so stop the request. Either
1083 * way, schedule the end_badly_cont function which actually shuts down the
1087 end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1089 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failing test with error: `%s'!\n", (char *)cls);
1091 struct TestPutContext *test_put = all_puts;
1092 struct TestGetContext *test_get = all_gets;
1094 while (test_put != NULL)
1096 if (test_put->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
1097 GNUNET_SCHEDULER_cancel(test_put->disconnect_task);
1098 if (test_put->dht_handle != NULL)
1099 GNUNET_DHT_disconnect(test_put->dht_handle);
1100 test_put = test_put->next;
1103 while (test_get != NULL)
1105 if (test_get->disconnect_task != GNUNET_SCHEDULER_NO_TASK)
1106 GNUNET_SCHEDULER_cancel(test_get->disconnect_task);
1107 if (test_get->get_handle != NULL)
1108 GNUNET_DHT_get_stop(test_get->get_handle);
1109 if (test_get->dht_handle != NULL)
1110 GNUNET_DHT_disconnect(test_get->dht_handle);
1111 test_get = test_get->next;
1114 GNUNET_TESTING_daemons_stop (pg, DEFAULT_TIMEOUT, &shutdown_callback, NULL);
1116 if (dhtlog_handle != NULL)
1118 fprintf(stderr, "Update trial endtime\n");
1119 dhtlog_handle->update_trial (gets_completed);
1120 GNUNET_DHTLOG_disconnect(dhtlog_handle);
1121 dhtlog_handle = NULL;
1124 if (hostkey_meter != NULL)
1125 free_meter(hostkey_meter);
1126 if (peer_start_meter != NULL)
1127 free_meter(peer_start_meter);
1128 if (peer_connect_meter != NULL)
1129 free_meter(peer_connect_meter);
1130 if (put_meter != NULL)
1131 free_meter(put_meter);
1132 if (get_meter != NULL)
1133 free_meter(get_meter);
1139 * Forward declaration.
1142 do_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
1145 * Forward declaration.
1148 do_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
1151 * Iterator over hash map entries.
1153 * @param cls closure
1154 * @param key current key code
1155 * @param value value in the hash map
1156 * @return GNUNET_YES if we should continue to
1160 static int remove_peer_count (void *cls,
1161 const GNUNET_HashCode * key,
1164 struct FindPeerContext *find_peer_ctx = cls;
1165 struct PeerCount *peer_count = value;
1166 GNUNET_CONTAINER_heap_remove_node(find_peer_ctx->peer_min_heap, peer_count->heap_node);
1167 GNUNET_free(peer_count);
1173 * Connect to all peers in the peer group and iterate over their
1177 count_new_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1179 struct FindPeerContext *find_peer_context = cls;
1180 find_peer_context->previous_peers = find_peer_context->current_peers;
1181 find_peer_context->current_peers = 0;
1182 GNUNET_TESTING_get_topology (pg, find_peer_context->count_peers_cb, find_peer_context);
1186 decrement_find_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1188 struct TestFindPeer *test_find_peer = cls;
1189 GNUNET_assert(test_find_peer->find_peer_context->outstanding > 0);
1190 test_find_peer->find_peer_context->outstanding--;
1191 test_find_peer->find_peer_context->total--;
1192 if (0 == test_find_peer->find_peer_context->total)
1194 GNUNET_SCHEDULER_add_now(&count_new_peers, test_find_peer->find_peer_context);
1196 GNUNET_free(test_find_peer);
1200 * A find peer request has been sent to the server, now we will schedule a task
1201 * to wait the appropriate time to allow the request to go out and back.
1203 * @param cls closure - a TestFindPeer struct
1204 * @param tc context the task is being called with
1207 handle_find_peer_sent (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1209 struct TestFindPeer *test_find_peer = cls;
1211 GNUNET_DHT_disconnect(test_find_peer->dht_handle);
1212 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_divide(find_peer_delay, 2), &decrement_find_peers, test_find_peer);
1217 send_find_peer_request (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1219 struct TestFindPeer *test_find_peer = cls;
1221 if (test_find_peer->find_peer_context->outstanding > max_outstanding_find_peers)
1223 GNUNET_SCHEDULER_add_delayed(find_peer_offset, &send_find_peer_request, test_find_peer);
1227 test_find_peer->find_peer_context->outstanding++;
1228 if (GNUNET_TIME_absolute_get_remaining(test_find_peer->find_peer_context->endtime).rel_value == 0)
1230 GNUNET_SCHEDULER_add_now(&decrement_find_peers, test_find_peer);
1234 test_find_peer->dht_handle = GNUNET_DHT_connect(test_find_peer->daemon->cfg, 1);
1235 GNUNET_assert(test_find_peer->dht_handle != NULL);
1236 GNUNET_DHT_find_peers (test_find_peer->dht_handle,
1237 &handle_find_peer_sent, test_find_peer);
1242 * Add a connection to the find_peer_context given. This may
1243 * be complete overkill, but allows us to choose the peers with
1244 * the least connections to initiate find peer requests from.
1246 static void add_new_connection(struct FindPeerContext *find_peer_context,
1247 const struct GNUNET_PeerIdentity *first,
1248 const struct GNUNET_PeerIdentity *second)
1250 struct PeerCount *first_count;
1251 struct PeerCount *second_count;
1253 if (GNUNET_CONTAINER_multihashmap_contains(find_peer_context->peer_hash, &first->hashPubKey))
1255 first_count = GNUNET_CONTAINER_multihashmap_get(find_peer_context->peer_hash, &first->hashPubKey);
1256 GNUNET_assert(first_count != NULL);
1257 first_count->count++;
1258 GNUNET_CONTAINER_heap_update_cost(find_peer_context->peer_min_heap, first_count->heap_node, first_count->count);
1262 first_count = GNUNET_malloc(sizeof(struct PeerCount));
1263 first_count->count = 1;
1264 memcpy(&first_count->peer_id, first, sizeof(struct GNUNET_PeerIdentity));
1265 first_count->heap_node = GNUNET_CONTAINER_heap_insert(find_peer_context->peer_min_heap, first_count, first_count->count);
1266 GNUNET_CONTAINER_multihashmap_put(find_peer_context->peer_hash, &first->hashPubKey, first_count, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
1269 if (GNUNET_CONTAINER_multihashmap_contains(find_peer_context->peer_hash, &second->hashPubKey))
1271 second_count = GNUNET_CONTAINER_multihashmap_get(find_peer_context->peer_hash, &second->hashPubKey);
1272 GNUNET_assert(second_count != NULL);
1273 second_count->count++;
1274 GNUNET_CONTAINER_heap_update_cost(find_peer_context->peer_min_heap, second_count->heap_node, second_count->count);
1278 second_count = GNUNET_malloc(sizeof(struct PeerCount));
1279 second_count->count = 1;
1280 memcpy(&second_count->peer_id, second, sizeof(struct GNUNET_PeerIdentity));
1281 second_count->heap_node = GNUNET_CONTAINER_heap_insert(find_peer_context->peer_min_heap, second_count, second_count->count);
1282 GNUNET_CONTAINER_multihashmap_put(find_peer_context->peer_hash, &second->hashPubKey, second_count, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
1288 * Iterate over min heap of connections per peer. For any
1289 * peer that has 0 connections, attempt to connect them to
1292 * @param cls closure a struct FindPeerContext
1293 * @param node internal node of the heap
1294 * @param element value stored, a struct PeerCount
1295 * @param cost cost associated with the node
1296 * @return GNUNET_YES if we should continue to iterate,
1299 static int iterate_min_heap_peers (void *cls,
1300 struct GNUNET_CONTAINER_HeapNode *node,
1302 GNUNET_CONTAINER_HeapCostType cost)
1304 struct FindPeerContext *find_peer_context = cls;
1305 struct PeerCount *peer_count = element;
1306 struct GNUNET_TESTING_Daemon *d1;
1307 struct GNUNET_TESTING_Daemon *d2;
1308 struct GNUNET_TIME_Relative timeout;
1311 d1 = GNUNET_TESTING_daemon_get_by_id (pg, &peer_count->peer_id);
1312 GNUNET_assert(d1 != NULL);
1314 while ((d2 == d1) || (GNUNET_YES != GNUNET_TESTING_daemon_running(d2)))
1316 d2 = GNUNET_TESTING_daemon_get(pg, GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers));
1317 GNUNET_assert(d2 != NULL);
1320 /** Just try to connect the peers, don't worry about callbacks, etc. **/
1321 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Peer %s has 0 connections. Trying to connect to %s...\n", GNUNET_i2s(&peer_count->peer_id), d2->shortname);
1322 timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, DEFAULT_CONNECT_TIMEOUT);
1323 if (GNUNET_TIME_relative_to_absolute(timeout).abs_value > find_peer_context->endtime.abs_value)
1325 timeout = GNUNET_TIME_absolute_get_remaining(find_peer_context->endtime);
1327 GNUNET_TESTING_daemons_connect(d1, d2, timeout, DEFAULT_RECONNECT_ATTEMPTS, NULL, NULL);
1329 if (GNUNET_TIME_absolute_get_remaining(find_peer_context->endtime).rel_value > 0)
1336 * Forward declaration.
1339 schedule_churn_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
1342 * Callback for iterating over all the peer connections of a peer group.
1343 * Used after we have churned on some peers to find which ones have zero
1344 * connections so we can make them issue find peer requests.
1347 count_peers_churn_cb (void *cls,
1348 const struct GNUNET_PeerIdentity *first,
1349 const struct GNUNET_PeerIdentity *second,
1352 struct FindPeerContext *find_peer_context = cls;
1353 struct TopologyIteratorContext *topo_ctx;
1354 struct PeerCount *peer_count;
1356 if ((first != NULL) && (second != NULL))
1358 add_new_connection(find_peer_context, first, second);
1359 find_peer_context->current_peers++;
1363 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Peer count finished (%u connections)\n",
1364 find_peer_context->current_peers);
1365 peer_count = GNUNET_CONTAINER_heap_peek(find_peer_context->peer_min_heap);
1366 GNUNET_assert(peer_count != NULL);
1367 /* WAIT. When peers are churned they will come back with their peers (at least in peerinfo), because the HOSTS file doesn't likely get removed. CRAP. */
1368 /* NO they won't, because we have disabled peerinfo writing to disk (remember?) so we WILL have to give them new connections */
1369 /* Best course of action: have DHT automatically try to add peers from peerinfo on startup. This way IF peerinfo writes to file
1370 * then some peers will end up connected.
1372 * Also, find any peers that have zero connections here and set up a task to choose at random another peer in the network to
1373 * connect to. Of course, if they are blacklisted from that peer they won't be able to connect, so we will have to keep trying
1374 * until they get a peer.
1376 /* However, they won't automatically be connected to any of their previous peers... How can we handle that? */
1377 /* So now we have choices: do we want them to come back with all their connections? Probably not, but it solves this mess. */
1379 /* Second problem, which is still a problem, is that a FIND_PEER request won't work when a peer has no connections */
1382 * Okay, so here's how this *should* work now.
1384 * 1. We check the min heap for any peers that have 0 connections.
1385 * a. If any are found, we iterate over the heap and just randomly
1386 * choose another peer and ask testing to please connect the two.
1387 * This takes care of the case that a peer just randomly joins the
1388 * network. However, if there are strict topology restrictions
1389 * (imagine a ring) choosing randomly most likely won't help.
1390 * We make sure the connection attempt doesn't take longer than
1391 * the total timeout, but don't care too much about the result.
1392 * b. After that, we still schedule the find peer requests (concurrently
1393 * with the connect attempts most likely). This handles the case
1394 * that the DHT iterates over peerinfo and just needs to try to send
1395 * a message to get connected. This should handle the case that the
1396 * topology is very strict.
1398 * 2. If all peers have > 0 connections, we still send find peer requests
1399 * as long as possible (until timeout is reached) to help out those
1400 * peers that were newly churned and need more connections. This is because
1401 * once all new peers have established a single connection, they won't be
1404 * 3. Once we reach the timeout, we can do no more. We must schedule the
1405 * next iteration of get requests regardless of connections that peers
1406 * may or may not have.
1408 * Caveat: it would be nice to get peers to take data offline with them and
1409 * come back with it (or not) based on the testing framework. The
1410 * same goes for remembering previous connections, but putting either
1411 * into the general testing churn options seems like overkill because
1412 * these are very specialized cases.
1414 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Out of %u peers, fewest connections is %d\n", GNUNET_CONTAINER_heap_get_size(find_peer_context->peer_min_heap), peer_count->count);
1415 if ((peer_count->count == 0) && (GNUNET_TIME_absolute_get_remaining(find_peer_context->endtime).rel_value > 0))
1417 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Found peer with no connections, will choose some peer(s) at random to connect to!\n");
1418 GNUNET_CONTAINER_heap_iterate (find_peer_context->peer_min_heap, &iterate_min_heap_peers, find_peer_context);
1419 GNUNET_SCHEDULER_add_now(&schedule_churn_find_peer_requests, find_peer_context);
1421 else if ((GNUNET_TIME_absolute_get_remaining(find_peer_context->endtime).rel_value > 0) && (find_peer_context->last_sent != 0))
1423 GNUNET_SCHEDULER_add_now(&schedule_churn_find_peer_requests, find_peer_context);
1427 GNUNET_CONTAINER_multihashmap_iterate(find_peer_context->peer_hash, &remove_peer_count, find_peer_context);
1428 GNUNET_CONTAINER_multihashmap_destroy(find_peer_context->peer_hash);
1429 GNUNET_CONTAINER_heap_destroy(find_peer_context->peer_min_heap);
1430 GNUNET_free(find_peer_context);
1431 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Churn round %u of %llu finished, scheduling next GET round.\n", current_churn_round, churn_rounds);
1432 if (dhtlog_handle != NULL)
1434 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
1435 topo_ctx->cont = &do_get;
1436 topo_ctx->cls = all_gets;
1437 topo_ctx->timeout = DEFAULT_GET_TIMEOUT;
1438 topo_ctx->peers_seen = GNUNET_CONTAINER_multihashmap_create(num_peers);
1439 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_add(GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout), DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT),
1440 &end_badly, "from do gets (count_peers_churn_cb)");
1441 GNUNET_SCHEDULER_add_now(&capture_current_topology, topo_ctx);
1445 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_add(GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout), DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT),
1446 &end_badly, "from do gets (count_peers_churn_cb)");
1447 GNUNET_SCHEDULER_add_now(&do_get, all_gets);
1454 * Set up a single find peer request for each peer in the topology. Do this
1455 * until the settle time is over, limited by the number of outstanding requests
1456 * and the time allowed for each one!
1459 schedule_churn_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1461 struct FindPeerContext *find_peer_ctx = cls;
1462 struct TestFindPeer *test_find_peer;
1463 struct PeerCount *peer_count;
1466 if (find_peer_ctx->previous_peers == 0) /* First time, go slowly */
1467 find_peer_ctx->total = 1;
1468 else if (find_peer_ctx->current_peers - find_peer_ctx->previous_peers < MIN_FIND_PEER_CUTOFF)
1469 find_peer_ctx->total = find_peer_ctx->total / 2;
1470 else if (find_peer_ctx->current_peers - find_peer_ctx->previous_peers > MAX_FIND_PEER_CUTOFF) /* Found LOTS of peers, still go slowly */
1471 find_peer_ctx->total = find_peer_ctx->last_sent - (find_peer_ctx->last_sent / 4);
1473 find_peer_ctx->total = find_peer_ctx->last_sent * 4;
1475 if (find_peer_ctx->total > max_outstanding_find_peers)
1476 find_peer_ctx->total = max_outstanding_find_peers;
1478 find_peer_ctx->last_sent = find_peer_ctx->total;
1479 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Sending %u find peer messages (after churn)\n", find_peer_ctx->total);
1481 if (find_peer_ctx->total > 0)
1482 find_peer_offset = GNUNET_TIME_relative_divide(find_peer_delay, find_peer_ctx->total);
1485 find_peer_ctx->previous_peers = find_peer_ctx->current_peers;
1486 find_peer_ctx->current_peers = 0;
1487 GNUNET_TESTING_get_topology (pg, &count_peers_churn_cb, find_peer_ctx);
1491 for (i = 0; i < find_peer_ctx->total; i++)
1493 test_find_peer = GNUNET_malloc(sizeof(struct TestFindPeer));
1494 /* If we have sent requests, choose peers with a low number of connections to send requests from */
1495 peer_count = GNUNET_CONTAINER_heap_remove_root(find_peer_ctx->peer_min_heap);
1496 GNUNET_assert(peer_count != NULL);
1497 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Sending find peer request from peer with %u connections\n", peer_count->count);
1498 GNUNET_CONTAINER_multihashmap_remove(find_peer_ctx->peer_hash, &peer_count->peer_id.hashPubKey, peer_count);
1499 test_find_peer->daemon = GNUNET_TESTING_daemon_get_by_id(pg, &peer_count->peer_id);
1500 GNUNET_assert(test_find_peer->daemon != NULL);
1501 test_find_peer->find_peer_context = find_peer_ctx;
1502 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(find_peer_offset, i), &send_find_peer_request, test_find_peer);
1505 if ((find_peer_ctx->peer_hash == NULL) && (find_peer_ctx->peer_min_heap == NULL))
1507 find_peer_ctx->peer_hash = GNUNET_CONTAINER_multihashmap_create(num_peers);
1508 find_peer_ctx->peer_min_heap = GNUNET_CONTAINER_heap_create(GNUNET_CONTAINER_HEAP_ORDER_MIN);
1512 GNUNET_CONTAINER_multihashmap_iterate(find_peer_ctx->peer_hash, &remove_peer_count, find_peer_ctx);
1513 GNUNET_CONTAINER_multihashmap_destroy(find_peer_ctx->peer_hash);
1514 find_peer_ctx->peer_hash = GNUNET_CONTAINER_multihashmap_create(num_peers);
1517 GNUNET_assert(0 == GNUNET_CONTAINER_multihashmap_size(find_peer_ctx->peer_hash));
1518 GNUNET_assert(0 == GNUNET_CONTAINER_heap_get_size(find_peer_ctx->peer_min_heap));
1521 static void schedule_churn_get_topology (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1523 struct FindPeerContext *find_peer_context = cls;
1524 GNUNET_TESTING_get_topology (pg, &count_peers_churn_cb, find_peer_context);
1528 * Called when churning of the topology has finished.
1530 * @param cls closure unused
1531 * @param emsg NULL on success, or a printable error on failure
1533 static void churn_complete (void *cls, const char *emsg)
1535 struct FindPeerContext *find_peer_context = cls;
1536 struct PeerCount *peer_count;
1538 struct GNUNET_TESTING_Daemon *temp_daemon;
1539 struct TopologyIteratorContext *topo_ctx;
1540 struct GNUNET_TIME_Relative calc_timeout;
1545 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Ending test, churning of peers failed with error `%s'", emsg);
1546 GNUNET_SCHEDULER_add_now(&end_badly, (void *)emsg);
1551 * If we switched any peers on, we have to somehow force connect the new peer to
1552 * SOME bootstrap peer in the network. First schedule a task to find all peers
1553 * with no connections, then choose a random peer for each and connect them.
1555 if (find_peer_context != NULL)
1557 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "We have churned on some peers, so we must schedule find peer requests for them!\n");
1559 for (i = 0; i < num_peers; i ++)
1561 temp_daemon = GNUNET_TESTING_daemon_get(pg, i);
1562 if (GNUNET_YES == GNUNET_TESTING_daemon_running(temp_daemon))
1564 peer_count = GNUNET_malloc (sizeof(struct PeerCount));
1565 memcpy(&peer_count->peer_id, &temp_daemon->id, sizeof(struct GNUNET_PeerIdentity));
1566 GNUNET_assert(peer_count->count == 0);
1567 peer_count->heap_node = GNUNET_CONTAINER_heap_insert(find_peer_context->peer_min_heap, peer_count, peer_count->count);
1568 GNUNET_CONTAINER_multihashmap_put(find_peer_context->peer_hash, &temp_daemon->id.hashPubKey, peer_count, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
1572 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Added %d peers to heap, total size %d\n", count_added, GNUNET_CONTAINER_heap_get_size(find_peer_context->peer_min_heap));
1573 GNUNET_SCHEDULER_add_delayed(DEFAULT_PEER_DISCONNECT_TIMEOUT, &schedule_churn_get_topology, find_peer_context);
1574 //GNUNET_TESTING_get_topology (pg, &count_peers_churn_cb, find_peer_context);
1578 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Only churned off peers, no find peer requests, scheduling more gets (after allowing time for peers to disconnect properly!)...\n");
1579 if (dhtlog_handle != NULL)
1581 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
1582 topo_ctx->cont = &do_get;
1583 topo_ctx->cls = all_gets;
1584 topo_ctx->timeout = DEFAULT_GET_TIMEOUT;
1585 topo_ctx->peers_seen = GNUNET_CONTAINER_multihashmap_create(num_peers);
1586 calc_timeout = GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout);
1587 calc_timeout = GNUNET_TIME_relative_add(calc_timeout, DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT);
1588 calc_timeout = GNUNET_TIME_relative_add(calc_timeout, DEFAULT_PEER_DISCONNECT_TIMEOUT);
1589 die_task = GNUNET_SCHEDULER_add_delayed (calc_timeout,
1590 &end_badly, "from do gets (churn_complete)");
1591 GNUNET_SCHEDULER_add_delayed(DEFAULT_PEER_DISCONNECT_TIMEOUT, &capture_current_topology, topo_ctx);
1595 calc_timeout = GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout);
1596 calc_timeout = GNUNET_TIME_relative_add(calc_timeout, DEFAULT_PEER_DISCONNECT_TIMEOUT);
1597 die_task = GNUNET_SCHEDULER_add_delayed (calc_timeout,
1598 &end_badly, "from do gets (churn_complete)");
1599 if (dhtlog_handle != NULL)
1600 dhtlog_handle->insert_round(DHT_ROUND_GET, rounds_finished);
1601 GNUNET_SCHEDULER_add_delayed(DEFAULT_PEER_DISCONNECT_TIMEOUT, &do_get, all_gets);
1607 * Decide how many peers to turn on or off in this round, make sure the
1608 * numbers actually make sense, then do so. This function sets in motion
1609 * churn, find peer requests for newly joined peers, and issuing get
1610 * requests once the new peers have done so.
1612 * @param cls closure (unused)
1613 * @param tc task context (unused)
1616 churn_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1618 unsigned int count_running;
1619 unsigned int churn_up;
1620 unsigned int churn_down;
1621 struct GNUNET_TIME_Relative timeout;
1622 struct FindPeerContext *find_peer_context;
1624 churn_up = churn_down = 0;
1625 count_running = GNUNET_TESTING_daemons_running(pg);
1626 if (count_running > churn_array[current_churn_round])
1627 churn_down = count_running - churn_array[current_churn_round];
1628 else if (count_running < churn_array[current_churn_round])
1629 churn_up = churn_array[current_churn_round] - count_running;
1631 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Not churning any peers, topology unchanged.\n");
1633 if (churn_up > num_peers - count_running)
1635 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Churn file specified %u peers (up); only have %u!", churn_array[current_churn_round], num_peers);
1636 churn_up = num_peers - count_running;
1638 else if (churn_down > count_running)
1640 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Churn file specified %u peers (down); only have %u!", churn_array[current_churn_round], count_running);
1641 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "This will leave NO peers running (mistake in churn configuration?)!");
1642 churn_down = count_running;
1644 //timeout = GNUNET_TIME_relative_multiply(seconds_per_peer_start, churn_up > 0 ? churn_up : churn_down);
1645 //timeout = GNUNET_TIME_relative_multiply (seconds_per_peer_start, churn_up > 0 ? churn_up : churn_down);
1646 timeout = GNUNET_TIME_relative_multiply(DEFAULT_TIMEOUT, 2); /* FIXME: Lack of intelligent choice here */
1647 find_peer_context = NULL;
1648 if (churn_up > 0) /* Only need to do find peer requests if we turned new peers on */
1650 find_peer_context = GNUNET_malloc(sizeof(struct FindPeerContext));
1651 find_peer_context->count_peers_cb = &count_peers_churn_cb;
1652 find_peer_context->previous_peers = 0;
1653 find_peer_context->current_peers = 0;
1654 find_peer_context->endtime = GNUNET_TIME_relative_to_absolute(timeout);
1655 find_peer_context->peer_hash = GNUNET_CONTAINER_multihashmap_create(num_peers);
1656 find_peer_context->peer_min_heap = GNUNET_CONTAINER_heap_create(GNUNET_CONTAINER_HEAP_ORDER_MIN);
1658 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "churn_peers: want %u total, %u running, starting %u, stopping %u\n",
1659 churn_array[current_churn_round], count_running, churn_up, churn_down);
1660 GNUNET_TESTING_daemons_churn (pg, churn_down, churn_up, timeout, &churn_complete, find_peer_context);
1661 current_churn_round++;
1665 * Task to release DHT handle associated with GET request.
1668 get_stop_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1670 struct TestGetContext *test_get = cls;
1671 struct TopologyIteratorContext *topo_ctx;
1673 /* The dht_handle may be null if this get was scheduled from a down peer */
1674 if (test_get->dht_handle != NULL)
1676 GNUNET_DHT_disconnect(test_get->dht_handle);
1677 outstanding_gets--; /* GET is really finished */
1678 test_get->dht_handle = NULL;
1681 /* Reset the uid (which item to search for) and the daemon (which peer to search from) for later get request iterations */
1682 if (get_from_same == GNUNET_NO)
1684 test_get->uid = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_puts);
1685 test_get->daemon = GNUNET_TESTING_daemon_get(pg, GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers));
1689 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%d gets succeeded, %d gets failed!\n", gets_completed, gets_failed);
1691 update_meter(get_meter);
1692 if ((gets_completed + gets_failed == num_gets) && (outstanding_gets == 0))
1694 fprintf(stderr, "Canceling die task (get_stop_finished) %llu gets completed, %llu gets failed\n", gets_completed, gets_failed);
1695 GNUNET_SCHEDULER_cancel(die_task);
1696 reset_meter(put_meter);
1697 reset_meter(get_meter);
1700 * 1) Testing is completely finished, call the topology iteration dealy and die
1701 * 2) Testing is not finished, churn the network and do gets again (current_churn_round < churn_rounds)
1702 * 3) Testing is not finished, reschedule all the PUTS *and* GETS again (num_rounds > 1)
1704 if (rounds_finished == total_rounds - 1) /* Everything is finished, end testing */
1706 if (dhtlog_handle != NULL)
1708 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
1709 topo_ctx->cont = &log_dht_statistics;
1710 topo_ctx->peers_seen = GNUNET_CONTAINER_multihashmap_create(num_peers);
1711 GNUNET_SCHEDULER_add_now(&capture_current_topology, topo_ctx);
1714 GNUNET_SCHEDULER_add_now (&finish_testing, NULL);
1716 else if (current_churn_round < churns_per_round * (rounds_finished + 1)) /* Do next round of churn */
1718 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Current churn round %u, real round %u, scheduling next round of churn.\n", current_churn_round, rounds_finished + 1);
1722 if (dhtlog_handle != NULL)
1723 dhtlog_handle->insert_round(DHT_ROUND_CHURN, rounds_finished);
1725 GNUNET_SCHEDULER_add_now(&churn_peers, NULL);
1727 else if (rounds_finished < total_rounds - 1) /* Start a new complete round */
1732 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Round %u of %llu finished, scheduling next round.\n", rounds_finished, total_rounds);
1734 /** We reset the peer daemon for puts and gets on each disconnect, so all we need to do is start another round! */
1735 if (GNUNET_YES == in_dht_replication) /* Replication done in DHT, don't redo puts! */
1737 if (dhtlog_handle != NULL)
1738 dhtlog_handle->insert_round(DHT_ROUND_GET, rounds_finished);
1740 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_add(GNUNET_TIME_relative_add(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, round_delay), all_get_timeout), DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT),
1741 &end_badly, "from do gets (next round)");
1742 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, round_delay), &do_get, all_gets);
1746 if (dhtlog_handle != NULL)
1747 dhtlog_handle->insert_round(DHT_ROUND_NORMAL, rounds_finished);
1748 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_add(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, round_delay), GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, num_puts * 2)),
1749 &end_badly, "from do puts");
1750 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, round_delay), &do_put, all_puts);
1757 * Task to release get handle.
1760 get_stop_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1762 struct TestGetContext *test_get = cls;
1764 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
1766 GNUNET_assert(test_get->get_handle != NULL);
1767 GNUNET_DHT_get_stop(test_get->get_handle);
1768 test_get->get_handle = NULL;
1769 test_get->disconnect_task = GNUNET_SCHEDULER_NO_TASK;
1770 GNUNET_SCHEDULER_add_now (&get_stop_finished, test_get);
1774 * Iterator called if the GET request initiated returns a response.
1776 * @param cls closure
1777 * @param exp when will this value expire
1778 * @param key key of the result
1779 * @param get_path NULL-terminated array of pointers
1780 * to the peers on reverse GET path (or NULL if not recorded)
1781 * @param put_path NULL-terminated array of pointers
1782 * to the peers on the PUT path (or NULL if not recorded)
1783 * @param type type of the result
1784 * @param size number of bytes in data
1785 * @param data pointer to the result data
1788 get_result_iterator (void *cls,
1789 struct GNUNET_TIME_Absolute exp,
1790 const GNUNET_HashCode * key,
1791 const struct GNUNET_PeerIdentity * const *get_path,
1792 const struct GNUNET_PeerIdentity * const *put_path,
1793 enum GNUNET_BLOCK_Type type,
1797 struct TestGetContext *test_get = cls;
1799 if (test_get->succeeded == GNUNET_YES)
1800 return; /* Get has already been successful, probably ending now */
1802 if (0 != memcmp(&known_keys[test_get->uid], key, sizeof (GNUNET_HashCode))) /* || (0 != memcmp(original_data, data, sizeof(original_data))))*/
1805 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Key or data is not the same as was inserted!\n");
1810 test_get->succeeded = GNUNET_YES;
1813 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received correct GET response!\n");
1815 GNUNET_SCHEDULER_cancel(test_get->disconnect_task);
1816 GNUNET_SCHEDULER_add_continuation(&get_stop_task, test_get, GNUNET_SCHEDULER_REASON_PREREQ_DONE);
1822 * Set up some data, and call API PUT function
1825 do_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1827 struct TestGetContext *test_get = cls;
1831 GNUNET_SCHEDULER_cancel(die_task);
1832 GNUNET_SCHEDULER_add_now(&finish_testing, NULL);
1835 if (test_get == NULL)
1836 return; /* End of the list */
1838 /* Set this here in case we are re-running gets */
1839 test_get->succeeded = GNUNET_NO;
1841 if (GNUNET_YES != GNUNET_TESTING_daemon_running(test_get->daemon)) /* If the peer has been churned off, don't try issuing request from it! */
1843 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Peer we should issue get request from is down, skipping.\n");
1845 GNUNET_SCHEDULER_add_now (&get_stop_finished, test_get);
1846 GNUNET_SCHEDULER_add_now (&do_get, test_get->next);
1850 /* Check if more gets are outstanding than should be */
1851 if (outstanding_gets > max_outstanding_gets)
1853 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 200), &do_get, test_get);
1857 /* Connect to the first peer's DHT */
1858 test_get->dht_handle = GNUNET_DHT_connect(test_get->daemon->cfg, 10);
1859 GNUNET_assert(test_get->dht_handle != NULL);
1862 /* Insert the data at the first peer */
1863 test_get->get_handle = GNUNET_DHT_get_start(test_get->dht_handle,
1865 GNUNET_BLOCK_TYPE_TEST,
1866 &known_keys[test_get->uid],
1871 &get_result_iterator,
1875 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting get for uid %u from peer %s\n",
1877 test_get->daemon->shortname);
1879 test_get->disconnect_task = GNUNET_SCHEDULER_add_delayed(get_timeout, &get_stop_task, test_get);
1881 /* Schedule the next request in the linked list of get requests */
1882 GNUNET_SCHEDULER_add_now (&do_get, test_get->next);
1886 * Called when the PUT request has been transmitted to the DHT service.
1887 * Schedule the GET request for some time in the future.
1890 put_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1892 struct TestPutContext *test_put = cls;
1893 struct TopologyIteratorContext *topo_ctx;
1897 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
1898 fprintf(stderr, "PUT Request failed!\n");
1900 /* Reset the daemon (which peer to insert at) for later put request iterations */
1901 if (replicate_same == GNUNET_NO)
1902 test_put->daemon = GNUNET_TESTING_daemon_get(pg, GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers));
1904 GNUNET_SCHEDULER_cancel(test_put->disconnect_task);
1905 test_put->disconnect_task = GNUNET_SCHEDULER_add_now(&put_disconnect_task, test_put);
1906 if (GNUNET_YES == update_meter(put_meter))
1908 GNUNET_assert(outstanding_puts == 0);
1909 GNUNET_SCHEDULER_cancel (die_task);
1910 if (dhtlog_handle != NULL)
1912 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
1913 topo_ctx->cont = &do_get;
1914 topo_ctx->cls = all_gets;
1915 topo_ctx->timeout = DEFAULT_GET_TIMEOUT;
1916 topo_ctx->peers_seen = GNUNET_CONTAINER_multihashmap_create(num_peers);
1917 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_add(GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout), DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT),
1918 &end_badly, "from do gets (put finished)");
1919 GNUNET_SCHEDULER_add_now(&capture_current_topology, topo_ctx);
1923 fprintf(stderr, "Scheduling die task (put finished)\n");
1924 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout),
1925 &end_badly, "from do gets (put finished)");
1926 GNUNET_SCHEDULER_add_delayed(DEFAULT_GET_TIMEOUT, &do_get, all_gets);
1933 * Set up some data, and call API PUT function
1936 do_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
1938 struct TestPutContext *test_put = cls;
1939 char data[test_data_size]; /* Made up data to store */
1943 if (test_put == NULL)
1944 return; /* End of list */
1946 if (GNUNET_YES != GNUNET_TESTING_daemon_running(test_put->daemon)) /* If the peer has been churned off, don't try issuing request from it! */
1948 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Peer we should issue put request at is down, skipping.\n");
1949 update_meter(put_meter);
1950 GNUNET_SCHEDULER_add_now (&do_put, test_put->next);
1954 for (i = 0; i < sizeof(data); i++)
1956 memset(&data[i], GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, UINT32_MAX), 1);
1959 if (outstanding_puts > max_outstanding_puts)
1961 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 200), &do_put, test_put);
1966 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting put for uid %u from peer %s\n",
1968 test_put->daemon->shortname);
1970 test_put->dht_handle = GNUNET_DHT_connect(test_put->daemon->cfg, 10);
1972 GNUNET_assert(test_put->dht_handle != NULL);
1974 GNUNET_DHT_put(test_put->dht_handle,
1975 &known_keys[test_put->uid],
1978 GNUNET_BLOCK_TYPE_TEST,
1980 GNUNET_TIME_UNIT_FOREVER_ABS,
1982 &put_finished, test_put);
1983 test_put->disconnect_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_get_forever(), &put_disconnect_task, test_put);
1984 rand = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 2);
1985 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, rand), &do_put, test_put->next);
1989 schedule_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
1992 setup_malicious_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc);
1995 * Given a number of total peers and a bucket size, estimate the number of
1996 * connections in a perfect kademlia topology.
1998 static unsigned int connection_estimate(unsigned int peer_count, unsigned int bucket_size)
2001 unsigned int filled;
2005 while (i >= bucket_size)
2010 filled++; /* Add one filled bucket to account for one "half full" and some miscellaneous */
2011 return filled * bucket_size * peer_count;
2017 * Callback for iterating over all the peer connections of a peer group.
2020 count_peers_cb (void *cls,
2021 const struct GNUNET_PeerIdentity *first,
2022 const struct GNUNET_PeerIdentity *second,
2025 struct FindPeerContext *find_peer_context = cls;
2026 if ((first != NULL) && (second != NULL))
2028 add_new_connection(find_peer_context, first, second);
2029 find_peer_context->current_peers++;
2033 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Peer count finished (%u connections), %u new peers, connection estimate %u (target %u)\n",
2034 find_peer_context->current_peers,
2035 find_peer_context->current_peers - find_peer_context->previous_peers,
2036 connection_estimate(num_peers, DEFAULT_BUCKET_SIZE),
2037 target_total_connections);
2039 if ((find_peer_context->last_sent < 8) ||
2040 ((find_peer_context->current_peers - find_peer_context->previous_peers > FIND_PEER_THRESHOLD) &&
2041 (find_peer_context->current_peers < 2 * connection_estimate(num_peers, DEFAULT_BUCKET_SIZE)) &&
2042 (GNUNET_TIME_absolute_get_remaining(find_peer_context->endtime).rel_value > 0) &&
2043 (find_peer_context->current_peers < target_total_connections)))
2045 GNUNET_SCHEDULER_add_now(&schedule_find_peer_requests, find_peer_context);
2049 GNUNET_CONTAINER_multihashmap_iterate(find_peer_context->peer_hash, &remove_peer_count, find_peer_context);
2050 GNUNET_CONTAINER_multihashmap_destroy(find_peer_context->peer_hash);
2051 GNUNET_CONTAINER_heap_destroy(find_peer_context->peer_min_heap);
2052 GNUNET_free(find_peer_context);
2053 fprintf(stderr, "Not sending any more find peer requests.\n");
2056 if (GNUNET_YES == malicious_after_settle)
2058 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "calling setup_malicious_peers\n");
2059 GNUNET_SCHEDULER_add_now(&setup_malicious_peers, NULL);
2068 * Set up a single find peer request for each peer in the topology. Do this
2069 * until the settle time is over, limited by the number of outstanding requests
2070 * and the time allowed for each one!
2073 schedule_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
2075 struct FindPeerContext *find_peer_ctx = cls;
2076 struct TestFindPeer *test_find_peer;
2077 struct PeerCount *peer_count;
2081 if (find_peer_ctx->previous_peers == 0) /* First time, go slowly */
2082 find_peer_ctx->total = 1;
2083 else if (find_peer_ctx->current_peers - find_peer_ctx->previous_peers > MAX_FIND_PEER_CUTOFF) /* Found LOTS of peers, still go slowly */
2084 find_peer_ctx->total = find_peer_ctx->last_sent - (find_peer_ctx->last_sent / 8);
2086 find_peer_ctx->total = find_peer_ctx->last_sent * 2;
2088 if (find_peer_ctx->total > max_outstanding_find_peers)
2089 find_peer_ctx->total = max_outstanding_find_peers;
2091 if (find_peer_ctx->total > num_peers) /* Don't try to send more messages than we have peers! */
2092 find_peer_ctx->total = num_peers;
2094 find_peer_ctx->last_sent = find_peer_ctx->total;
2095 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Sending %u find peer messages (goal at least %u connections)\n", find_peer_ctx->total, target_total_connections);
2097 find_peer_offset = GNUNET_TIME_relative_divide(find_peer_delay, find_peer_ctx->total);
2098 for (i = 0; i < find_peer_ctx->total; i++)
2100 test_find_peer = GNUNET_malloc(sizeof(struct TestFindPeer));
2101 if (find_peer_ctx->previous_peers == 0) /* If we haven't sent any requests yet, choose random peers */
2104 * Attempt to spread find peer requests across even sections of the peer address
2105 * space. Choose basically 1 peer in every num_peers / max_outstanding_requests
2106 * each time, then offset it by a randomish value.
2108 * For instance, if num_peers is 100 and max_outstanding is 10, first chosen peer
2109 * will be between 0 - 10, second between 10 - 20, etc.
2111 random = (num_peers / find_peer_ctx->total) * i;
2112 random = random + GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, (num_peers / find_peer_ctx->total));
2113 if (random >= num_peers)
2115 random = random - num_peers;
2118 random = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2120 test_find_peer->daemon = GNUNET_TESTING_daemon_get(pg, random);
2122 else /* If we have sent requests, choose peers with a low number of connections to send requests from */
2124 peer_count = GNUNET_CONTAINER_heap_remove_root(find_peer_ctx->peer_min_heap);
2125 GNUNET_assert(GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove(find_peer_ctx->peer_hash, &peer_count->peer_id.hashPubKey, peer_count));
2126 test_find_peer->daemon = GNUNET_TESTING_daemon_get_by_id(pg, &peer_count->peer_id);
2127 GNUNET_assert(test_find_peer->daemon != NULL);
2130 test_find_peer->find_peer_context = find_peer_ctx;
2131 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(find_peer_offset, i), &send_find_peer_request, test_find_peer);
2134 if ((find_peer_ctx->peer_hash == NULL) && (find_peer_ctx->peer_min_heap == NULL))
2136 find_peer_ctx->peer_hash = GNUNET_CONTAINER_multihashmap_create(num_peers);
2137 find_peer_ctx->peer_min_heap = GNUNET_CONTAINER_heap_create(GNUNET_CONTAINER_HEAP_ORDER_MIN);
2141 GNUNET_CONTAINER_multihashmap_iterate(find_peer_ctx->peer_hash, &remove_peer_count, find_peer_ctx);
2142 GNUNET_CONTAINER_multihashmap_destroy(find_peer_ctx->peer_hash);
2143 find_peer_ctx->peer_hash = GNUNET_CONTAINER_multihashmap_create(num_peers);
2146 GNUNET_assert(0 == GNUNET_CONTAINER_multihashmap_size(find_peer_ctx->peer_hash));
2147 GNUNET_assert(0 == GNUNET_CONTAINER_heap_get_size(find_peer_ctx->peer_min_heap));
2152 * Convert unique ID to hash code.
2154 * @param uid unique ID to convert
2155 * @param hash set to uid (extended with zeros)
2158 hash_from_uid (uint32_t uid, GNUNET_HashCode *hash)
2160 memset (hash, 0, sizeof (GNUNET_HashCode));
2161 *((uint32_t *) hash) = uid;
2166 * Set up all of the put and get operations we want to do
2167 * in the current round. Allocate data structure for each,
2168 * add to list, then schedule the actual PUT operations.
2171 setup_puts_and_gets (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
2174 struct TestPutContext *test_put;
2175 struct TestGetContext *test_get;
2177 GNUNET_HashCode uid_hash;
2180 int remember[num_puts][num_peers];
2181 memset(&remember, 0, sizeof(int) * num_puts * num_peers);
2183 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "in setup_puts_and_gets\n");
2184 known_keys = GNUNET_malloc(sizeof(GNUNET_HashCode) * num_puts);
2185 for (i = 0; i < num_puts; i++)
2187 test_put = GNUNET_malloc(sizeof(struct TestPutContext));
2189 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &known_keys[i]);
2190 /* Set first X bits to match the chosen sybil location if we want to do the sybil attack! */
2191 if (GNUNET_YES == malicious_sybil)
2193 memcpy(&known_keys[i], &sybil_target, sizeof(GNUNET_HashCode) / 2);
2194 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Distance between sybil location and key is %d\n", GNUNET_CRYPTO_hash_matching_bits(&known_keys[i], &sybil_target));
2196 temp_peer = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2197 test_put->daemon = GNUNET_TESTING_daemon_get(pg, temp_peer);
2198 /* Don't start PUTs at malicious peers! */
2199 if (malicious_bloom != NULL)
2202 hash_from_uid(temp_peer, &uid_hash);
2203 while ((GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test(malicious_bloom, &uid_hash)) && (count < num_peers))
2205 temp_peer = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2206 hash_from_uid(temp_peer, &uid_hash);
2207 test_put->daemon = GNUNET_TESTING_daemon_get(pg, temp_peer);
2210 if (count == num_peers)
2211 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Couldn't find peer not in malicious bloom to select!\n");
2214 test_put->next = all_puts;
2215 all_puts = test_put;
2218 for (i = 0; i < num_gets; i++)
2220 test_get = GNUNET_malloc(sizeof(struct TestGetContext));
2221 test_get->uid = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_puts);
2223 while (remember[test_get->uid][temp_daemon] == 1)
2224 temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2225 remember[test_get->uid][temp_daemon] = 1;
2227 temp_peer = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2228 test_get->daemon = GNUNET_TESTING_daemon_get(pg, temp_peer);
2229 /* Don't start GETs at malicious peers! */
2230 if (malicious_bloom != NULL)
2232 hash_from_uid(temp_peer, &uid_hash);
2234 while ((GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test(malicious_bloom, &uid_hash)) && (count < num_peers))
2236 temp_peer = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2237 hash_from_uid(temp_peer, &uid_hash);
2238 test_get->daemon = GNUNET_TESTING_daemon_get(pg, temp_peer);
2241 if (count == num_peers)
2242 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Couldn't find peer not in malicious bloom to select!\n");
2244 test_get->next = all_gets;
2245 all_gets = test_get;
2248 /*GNUNET_SCHEDULER_cancel (die_task);*/
2249 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, num_puts * 2),
2250 &end_badly, "from do puts");
2251 GNUNET_SCHEDULER_add_now (&do_put, all_puts);
2256 * Set up some all of the put and get operations we want
2257 * to do. Allocate data structure for each, add to list,
2258 * then call actual insert functions.
2261 continue_puts_and_gets (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
2265 struct TopologyIteratorContext *topo_ctx;
2266 struct FindPeerContext *find_peer_context;
2267 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "In continue_puts_and_gets\n");
2268 if (dhtlog_handle != NULL)
2270 if (settle_time >= 180 * 2)
2271 max = (settle_time / 180) - 2;
2274 for (i = 1; i < max; i++)
2276 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
2277 topo_ctx->current_iteration = i;
2278 topo_ctx->total_iterations = max;
2279 topo_ctx->peers_seen = GNUNET_CONTAINER_multihashmap_create(num_peers);
2280 //fprintf(stderr, "scheduled topology iteration in %d minutes\n", i);
2281 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, i * 3), &capture_current_topology, topo_ctx);
2283 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
2284 topo_ctx->cont = &setup_puts_and_gets;
2285 topo_ctx->peers_seen = GNUNET_CONTAINER_multihashmap_create(num_peers);
2286 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "setting setup_puts_and_gets for %d seconds in the future\n", settle_time + 10);
2287 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, (settle_time + 10)), &capture_current_topology, topo_ctx);
2290 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, (settle_time + 10)), &setup_puts_and_gets, NULL);
2292 if (dhtlog_handle != NULL)
2293 dhtlog_handle->insert_round(DHT_ROUND_NORMAL, rounds_finished);
2296 if ((GNUNET_YES != malicious_after_settle) || (settle_time == 0))
2298 GNUNET_SCHEDULER_add_now(&setup_malicious_peers, NULL);
2302 if ((GNUNET_YES == do_find_peer) && (settle_time > 0))
2304 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Scheduling find peer requests during \"settle\" time.\n");
2305 find_peer_context = GNUNET_malloc(sizeof(struct FindPeerContext));
2306 find_peer_context->count_peers_cb = &count_peers_cb;
2307 find_peer_context->endtime = GNUNET_TIME_relative_to_absolute(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time));
2308 GNUNET_SCHEDULER_add_now(&schedule_find_peer_requests, find_peer_context);
2312 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Assuming automatic DHT find peer requests.\n");
2317 * Task to release DHT handles
2320 malicious_disconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
2322 struct MaliciousContext *ctx = cls;
2323 outstanding_malicious--;
2324 malicious_completed++;
2325 ctx->disconnect_task = GNUNET_SCHEDULER_NO_TASK;
2326 GNUNET_DHT_disconnect(ctx->dht_handle);
2327 ctx->dht_handle = NULL;
2330 if (malicious_completed == malicious_getters + malicious_putters + malicious_droppers)
2332 fprintf(stderr, "Finished setting all malicious peers up!\n");
2338 * Task to release DHT handles
2341 malicious_done_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
2343 struct MaliciousContext *ctx = cls;
2344 GNUNET_SCHEDULER_cancel(ctx->disconnect_task);
2345 GNUNET_SCHEDULER_add_now(&malicious_disconnect_task, ctx);
2349 * Set up some data, and call API PUT function
2352 set_malicious (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
2354 struct MaliciousContext *ctx = cls;
2356 if (outstanding_malicious > DEFAULT_MAX_OUTSTANDING_GETS)
2358 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100), &set_malicious, ctx);
2362 if (ctx->dht_handle == NULL)
2364 ctx->dht_handle = GNUNET_DHT_connect(ctx->daemon->cfg, 1);
2365 outstanding_malicious++;
2368 GNUNET_assert(ctx->dht_handle != NULL);
2372 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting peer %s malicious type %d\n",
2373 ctx->daemon->shortname, ctx->malicious_type);
2376 switch (ctx->malicious_type)
2378 case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET:
2379 GNUNET_DHT_set_malicious_getter(ctx->dht_handle, malicious_get_frequency);
2380 GNUNET_SCHEDULER_add_now (&malicious_done_task, ctx);
2382 case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT:
2383 GNUNET_DHT_set_malicious_putter(ctx->dht_handle, malicious_put_frequency);
2384 GNUNET_SCHEDULER_add_now (&malicious_done_task, ctx);
2386 case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP:
2387 GNUNET_DHT_set_malicious_dropper(ctx->dht_handle);
2388 GNUNET_SCHEDULER_add_now (&malicious_done_task, ctx);
2394 ctx->disconnect_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_FOREVER_REL,
2395 &malicious_disconnect_task, ctx);
2401 * Choose the next peer from the peer group to set as malicious.
2402 * If we are doing a sybil attack, find the nearest peer to the
2403 * sybil location that has not already been set malicious. Otherwise
2404 * just choose a random not already chosen peer.
2406 * @param pg the peer group
2407 * @param bloom the bloomfilter which contains all peer already
2408 * chosen to be malicious
2411 choose_next_malicious (struct GNUNET_TESTING_PeerGroup *pg, struct GNUNET_CONTAINER_BloomFilter *bloom)
2418 struct GNUNET_TESTING_Daemon *temp_daemon;
2419 GNUNET_HashCode uid_hash;
2423 GNUNET_assert (bloom != NULL);
2425 if (GNUNET_YES == malicious_sybil)
2427 for (i = 0; i < num_peers; i++)
2429 temp_daemon = GNUNET_TESTING_daemon_get(pg, i);
2430 hash_from_uid(i, &uid_hash);
2431 /* Check if this peer matches the bloomfilter */
2432 if ((GNUNET_NO == GNUNET_TESTING_daemon_running(temp_daemon)) || (GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &uid_hash)))
2435 bits_match = GNUNET_CRYPTO_hash_matching_bits (&temp_daemon->id.hashPubKey, &sybil_target);
2436 if (bits_match >= curr_distance)
2438 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Found nearer peer %s to %s, old matching bits %d, new %d\n", GNUNET_i2s(&temp_daemon->id), GNUNET_h2s(&sybil_target), curr_distance, bits_match);
2440 curr_distance = bits_match;
2446 nearest = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2447 hash_from_uid(nearest, &uid_hash);
2449 while ((GNUNET_YES == GNUNET_CONTAINER_bloomfilter_test (bloom, &uid_hash)) && (count < num_peers))
2451 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Peer %d already in bloom (tried %d times)\n", nearest, count);
2452 nearest = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
2453 hash_from_uid(nearest, &uid_hash);
2456 if (count == num_peers)
2457 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Tried %d times to find a peer, selecting %d at random!!\n", count, nearest);
2464 * Select randomly from set of known peers,
2465 * set the desired number of peers to the
2466 * proper malicious types.
2469 setup_malicious_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
2471 struct MaliciousContext *ctx;
2473 uint32_t temp_daemon;
2474 GNUNET_HashCode uid_hash;
2476 for (i = 0; i < malicious_getters; i++)
2478 ctx = GNUNET_malloc(sizeof(struct MaliciousContext));
2479 temp_daemon = choose_next_malicious(pg, malicious_bloom);
2480 ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
2481 hash_from_uid(temp_daemon, &uid_hash);
2482 GNUNET_CONTAINER_bloomfilter_add(malicious_bloom, &uid_hash);
2483 ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET;
2484 GNUNET_SCHEDULER_add_now (&set_malicious, ctx);
2488 for (i = 0; i < malicious_putters; i++)
2490 ctx = GNUNET_malloc(sizeof(struct MaliciousContext));
2491 temp_daemon = choose_next_malicious(pg, malicious_bloom);
2492 ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
2493 hash_from_uid(temp_daemon, &uid_hash);
2494 GNUNET_CONTAINER_bloomfilter_add(malicious_bloom, &uid_hash);
2495 ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT;
2496 GNUNET_SCHEDULER_add_now (&set_malicious, ctx);
2500 for (i = 0; i < malicious_droppers; i++)
2502 ctx = GNUNET_malloc(sizeof(struct MaliciousContext));
2503 temp_daemon = choose_next_malicious(pg, malicious_bloom);
2504 ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon);
2505 hash_from_uid(temp_daemon, &uid_hash);
2506 GNUNET_CONTAINER_bloomfilter_add(malicious_bloom, &uid_hash);
2507 ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP;
2508 GNUNET_SCHEDULER_add_now (&set_malicious, ctx);
2514 * This function is called whenever a connection attempt is finished between two of
2515 * the started peers (started with GNUNET_TESTING_daemons_start). The total
2516 * number of times this function is called should equal the number returned
2517 * from the GNUNET_TESTING_connect_topology call.
2519 * The emsg variable is NULL on success (peers connected), and non-NULL on
2520 * failure (peers failed to connect).
2523 topology_callback (void *cls,
2524 const struct GNUNET_PeerIdentity *first,
2525 const struct GNUNET_PeerIdentity *second,
2527 const struct GNUNET_CONFIGURATION_Handle *first_cfg,
2528 const struct GNUNET_CONFIGURATION_Handle *second_cfg,
2529 struct GNUNET_TESTING_Daemon *first_daemon,
2530 struct GNUNET_TESTING_Daemon *second_daemon,
2533 struct TopologyIteratorContext *topo_ctx;
2534 unsigned long long duration;
2535 unsigned long long total_duration;
2536 unsigned int new_connections;
2538 if (GNUNET_TIME_absolute_get_difference (connect_last_time,
2539 GNUNET_TIME_absolute_get()).rel_value > GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, CONN_UPDATE_DURATION).rel_value)
2541 /* Get number of new connections */
2542 new_connections = total_connections - previous_connections;
2543 /* Get duration in seconds */
2544 duration = GNUNET_TIME_absolute_get_difference (connect_last_time,
2545 GNUNET_TIME_absolute_get()).rel_value / 1000;
2546 total_duration = GNUNET_TIME_absolute_get_difference (connect_start_time,
2547 GNUNET_TIME_absolute_get()).rel_value / 1000;
2548 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Conns/sec in last %d seconds: %f, Conns/sec for entire duration: %f\n", CONN_UPDATE_DURATION, (float)new_connections / duration, (float)total_connections / total_duration);
2549 connect_last_time = GNUNET_TIME_absolute_get();
2550 previous_connections = total_connections;
2551 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "have %u total_connections\n", total_connections);
2555 total_connections++;
2557 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "connected peer %s to peer %s, distance %u\n",
2558 first_daemon->shortname,
2559 second_daemon->shortname,
2565 failed_connections++;
2566 GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failed to connect peer %s to peer %s with error :\n%s\n",
2567 first_daemon->shortname,
2568 second_daemon->shortname, emsg);
2570 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to connect peer %s to peer %s with error :\n%s\n",
2571 first_daemon->shortname,
2572 second_daemon->shortname, emsg);
2576 GNUNET_assert(peer_connect_meter != NULL);
2577 if (GNUNET_YES == update_meter(peer_connect_meter))
2580 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2581 "Created %d total connections, which is our target number! Starting next phase of testing.\n",
2584 if (failed_connections > 0)
2585 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "While connecting, had %u failed connections.\n", failed_connections);
2586 if (dhtlog_handle != NULL)
2588 dhtlog_handle->update_connections (total_connections);
2589 dhtlog_handle->insert_topology(expected_connections);
2592 GNUNET_SCHEDULER_cancel (die_task);
2594 if (dhtlog_handle != NULL)
2596 topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext));
2597 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Setting continue gets and puts as topo_cont\n");
2598 topo_ctx->cont = &continue_puts_and_gets;
2599 topo_ctx->peers_seen = GNUNET_CONTAINER_multihashmap_create(num_peers);
2600 GNUNET_SCHEDULER_add_now(&capture_current_topology, topo_ctx);
2604 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "For some reason, NOT scheduling final topology capture (settle_time %d, dhtlog_handle %s)!\n", settle_time, dhtlog_handle);
2605 GNUNET_SCHEDULER_add_now(&continue_puts_and_gets, NULL);
2608 else if (total_connections + failed_connections == expected_connections)
2610 GNUNET_SCHEDULER_cancel (die_task);
2611 die_task = GNUNET_SCHEDULER_add_now (&end_badly, "from topology_callback (too many failed connections)");
2616 peers_started_callback (void *cls,
2617 const struct GNUNET_PeerIdentity *id,
2618 const struct GNUNET_CONFIGURATION_Handle *cfg,
2619 struct GNUNET_TESTING_Daemon *d, const char *emsg)
2623 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to start daemon with error: `%s'\n",
2627 GNUNET_assert (id != NULL);
2630 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started daemon %llu out of %llu\n",
2631 (num_peers - peers_left) + 1, num_peers);
2636 if (GNUNET_YES == update_meter(peer_start_meter))
2639 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2640 "All %d daemons started, now connecting peers!\n",
2643 GNUNET_SCHEDULER_cancel (die_task);
2645 expected_connections = UINT_MAX;
2646 if ((pg != NULL) && (peers_left == 0))
2648 connect_start_time = GNUNET_TIME_absolute_get();
2649 expected_connections = GNUNET_TESTING_connect_topology(pg,
2650 connect_topology, connect_topology_option,
2651 connect_topology_option_modifier,
2652 connect_timeout, connect_attempts,
2655 peer_connect_meter = create_meter(expected_connections, "Peer connection ", GNUNET_YES);
2656 fprintf(stderr, "Have %d expected connections\n", expected_connections);
2659 if (expected_connections == GNUNET_SYSERR)
2661 die_task = GNUNET_SCHEDULER_add_now (&end_badly, "from connect topology (bad return)");
2664 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, DEFAULT_CONNECT_TIMEOUT * expected_connections),
2665 &end_badly, "from connect topology (timeout)");
2674 peers_left = num_peers; /* Reset counter */
2675 if (GNUNET_TESTING_create_topology (pg, topology, blacklist_topology, blacklist_transports) != GNUNET_SYSERR)
2677 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2678 "Topology set up, now starting peers!\n");
2679 GNUNET_TESTING_daemons_continue_startup(pg);
2683 GNUNET_SCHEDULER_cancel (die_task);
2684 die_task = GNUNET_SCHEDULER_add_now (&end_badly, "from create topology (bad return)");
2686 GNUNET_free_non_null(blacklist_transports);
2687 GNUNET_SCHEDULER_cancel (die_task);
2688 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers),
2689 &end_badly, "from continue startup (timeout)");
2693 * Callback indicating that the hostkey was created for a peer.
2696 * @param id the peer identity
2697 * @param d the daemon handle (pretty useless at this point, remove?)
2698 * @param emsg non-null on failure
2701 hostkey_callback (void *cls,
2702 const struct GNUNET_PeerIdentity *id,
2703 struct GNUNET_TESTING_Daemon *d,
2708 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Hostkey callback received error: %s\n", emsg);
2712 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2713 "Hostkey (%d/%d) created for peer `%s'\n",
2714 num_peers - peers_left, num_peers, GNUNET_i2s(id));
2718 if (GNUNET_YES == update_meter(hostkey_meter))
2720 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2721 "All %d hostkeys created, now creating topology!\n",
2723 GNUNET_SCHEDULER_cancel (die_task);
2724 /* Set up task in case topology creation doesn't finish
2725 * within a reasonable amount of time */
2726 die_task = GNUNET_SCHEDULER_add_delayed (DEFAULT_TOPOLOGY_TIMEOUT,
2727 &end_badly, "from create_topology");
2728 GNUNET_SCHEDULER_add_now(&create_topology, NULL);
2737 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
2740 struct GNUNET_DHTLOG_TrialInfo trial_info;
2741 struct GNUNET_TESTING_Host *hosts;
2742 struct GNUNET_TESTING_Host *temphost;
2743 struct GNUNET_TESTING_Host *tempnext;
2745 char *connect_topology_str;
2746 char *blacklist_topology_str;
2747 char *connect_topology_option_str;
2748 char *connect_topology_option_modifier_string;
2750 char *topology_percentage_str;
2751 float topology_percentage;
2752 char *topology_probability_str;
2754 float topology_probability;
2755 unsigned long long temp_config_number;
2756 unsigned long long trial_to_run;
2759 int strict_kademlia;
2763 char *churn_filename;
2770 rounds_finished = 0;
2771 memset(&trial_info, 0, sizeof(struct GNUNET_DHTLOG_TrialInfo));
2772 /* Get path from configuration file */
2773 if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string(cfg, "paths", "servicehome", &test_directory))
2779 /* Get number of peers to start from configuration */
2780 if (GNUNET_SYSERR ==
2781 GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "num_peers",
2784 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2785 "Number of peers must be specified in section %s option %s\n", "TESTING", "NUM_PEERS");
2787 GNUNET_assert(num_peers > 0 && num_peers < ULONG_MAX);
2790 GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "connect_timeout",
2791 &temp_config_number))
2793 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, temp_config_number);
2796 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n", "testing", "connect_timeout");
2802 GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "connect_attempts",
2805 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n", "testing", "connect_attempts");
2810 GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "max_outstanding_connections",
2811 &max_outstanding_connections))
2813 GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "Must provide option %s:%s!\n", "testing", "max_outstanding_connections");
2818 * Get DHT specific testing options.
2820 if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing", "mysql_logging")) ||
2821 (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing", "mysql_logging_extended")))
2823 dhtlog_handle = GNUNET_DHTLOG_connect(cfg);
2824 if (dhtlog_handle == NULL)
2826 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2827 "Could not connect to mysql server for logging, will NOT log dht operations!");
2833 stop_closest = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "stop_on_closest");
2834 if (stop_closest == GNUNET_SYSERR)
2835 stop_closest = GNUNET_NO;
2837 stop_found = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "stop_found");
2838 if (stop_found == GNUNET_SYSERR)
2839 stop_found = GNUNET_NO;
2841 strict_kademlia = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "strict_kademlia");
2842 if (strict_kademlia == GNUNET_SYSERR)
2843 strict_kademlia = GNUNET_NO;
2846 GNUNET_CONFIGURATION_get_value_string (cfg, "dht_testing", "comment",
2848 trialmessage = NULL;
2851 /** Check for a churn file to do churny simulation */
2853 GNUNET_CONFIGURATION_get_value_string(cfg, "dht_testing", "churn_file",
2856 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Reading churn data from %s\n", churn_filename);
2857 if (GNUNET_OK != GNUNET_DISK_file_test (churn_filename))
2859 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Error reading churn file!\n");
2860 GNUNET_free_non_null(trialmessage);
2861 GNUNET_free(churn_filename);
2864 if ((0 != STAT (churn_filename, &frstat)) || (frstat.st_size == 0))
2866 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2867 "Could not open file specified for churn data, ending test!");
2869 GNUNET_free_non_null(trialmessage);
2870 GNUNET_free(churn_filename);
2874 churn_data = GNUNET_malloc_large (frstat.st_size);
2875 GNUNET_assert(churn_data != NULL);
2876 if (frstat.st_size !=
2877 GNUNET_DISK_fn_read (churn_filename, churn_data, frstat.st_size))
2879 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2880 "Could not read file %s specified for churn, ending test!", churn_filename);
2881 GNUNET_free (churn_filename);
2882 GNUNET_free (churn_data);
2883 GNUNET_free_non_null(trialmessage);
2887 GNUNET_free_non_null(churn_filename);
2891 /* Read the first line */
2892 while (count < frstat.st_size)
2895 if (((churn_data[count] == '\n')) && (buf != &churn_data[count]))
2897 churn_data[count] = '\0';
2898 if (1 != sscanf(buf, "%u", &churn_rounds))
2900 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to read number of rounds from churn file, ending test!\n");
2902 GNUNET_free_non_null(trialmessage);
2903 GNUNET_free_non_null(churn_data);
2906 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Read %u rounds from churn file\n", churn_rounds);
2907 buf = &churn_data[count + 1];
2908 churn_array = GNUNET_malloc(sizeof(unsigned int) * churn_rounds);
2909 break; /* Done with this part */
2913 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number(cfg, "dht_testing", "churns_per_round", &churns_per_round))
2915 churns_per_round = (unsigned long long)churn_rounds;
2919 while ((count < frstat.st_size) && (line_number < churn_rounds))
2922 if (((churn_data[count] == '\n')) && (buf != &churn_data[count]))
2924 churn_data[count] = '\0';
2926 ret = sscanf(buf, "%u", &churn_array[line_number]);
2929 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Read %u peers in round %u\n", churn_array[line_number], line_number);
2934 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Error reading line `%s' in hostfile\n", buf);
2935 buf = &churn_data[count + 1];
2938 buf = &churn_data[count + 1];
2940 else if (churn_data[count] == '\n') /* Blank line */
2941 buf = &churn_data[count + 1];
2944 GNUNET_free_non_null(churn_data);
2946 /* Check for a hostfile containing user@host:port triples */
2948 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "hostfile",
2955 if (hostfile != NULL)
2957 if (GNUNET_OK != GNUNET_DISK_file_test (hostfile))
2958 GNUNET_DISK_fn_write (hostfile, NULL, 0, GNUNET_DISK_PERM_USER_READ
2959 | GNUNET_DISK_PERM_USER_WRITE);
2960 if ((0 != STAT (hostfile, &frstat)) || (frstat.st_size == 0))
2962 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2963 "Could not open file specified for host list, ending test!");
2965 GNUNET_free_non_null(trialmessage);
2966 GNUNET_free(hostfile);
2970 data = GNUNET_malloc_large (frstat.st_size);
2971 GNUNET_assert(data != NULL);
2972 if (frstat.st_size !=
2973 GNUNET_DISK_fn_read (hostfile, data, frstat.st_size))
2975 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2976 "Could not read file %s specified for host list, ending test!", hostfile);
2977 GNUNET_free (hostfile);
2979 GNUNET_free_non_null(trialmessage);
2983 GNUNET_free_non_null(hostfile);
2987 while (count < frstat.st_size - 1)
2990 /* if (((data[count] == '\n') || (data[count] == '\0')) && (buf != &data[count]))*/
2991 if (((data[count] == '\n')) && (buf != &data[count]))
2994 temphost = GNUNET_malloc(sizeof(struct GNUNET_TESTING_Host));
2995 ret = sscanf(buf, "%a[a-zA-Z0-9]@%a[a-zA-Z0-9.]:%hd", &temphost->username, &temphost->hostname, &temphost->port);
2998 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Successfully read host %s, port %d and user %s from file\n", temphost->hostname, temphost->port, temphost->username);
3002 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Error reading line `%s' in hostfile\n", buf);
3003 GNUNET_free(temphost);
3004 buf = &data[count + 1];
3007 /* temphost->hostname = buf; */
3008 temphost->next = hosts;
3010 buf = &data[count + 1];
3012 else if ((data[count] == '\n') || (data[count] == '\0'))
3013 buf = &data[count + 1];
3016 GNUNET_free_non_null(data);
3018 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_getters",
3019 &malicious_getters))
3020 malicious_getters = 0;
3023 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_putters",
3024 &malicious_putters))
3025 malicious_putters = 0;
3028 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_droppers",
3029 &malicious_droppers))
3030 malicious_droppers = 0;
3033 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "settle_time",
3037 if (GNUNET_SYSERR ==
3038 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "num_puts",
3040 num_puts = num_peers;
3042 if (GNUNET_SYSERR ==
3043 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "put_replication",
3045 put_replication = DEFAULT_PUT_REPLICATION;
3047 if (GNUNET_SYSERR ==
3048 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "num_gets",
3050 num_gets = num_peers;
3052 if (GNUNET_SYSERR ==
3053 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "get_replication",
3055 get_replication = DEFAULT_GET_REPLICATION;
3058 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "find_peer_delay",
3059 &temp_config_number))
3060 find_peer_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
3062 find_peer_delay = DEFAULT_FIND_PEER_DELAY;
3065 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_find_peers",
3066 &temp_config_number))
3067 max_outstanding_find_peers = temp_config_number;
3069 max_outstanding_find_peers = DEFAULT_MAX_OUTSTANDING_FIND_PEERS;
3072 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "get_timeout",
3073 &temp_config_number))
3074 get_timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
3076 get_timeout = DEFAULT_GET_TIMEOUT;
3079 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_puts",
3080 &temp_config_number))
3081 max_outstanding_puts = temp_config_number;
3083 max_outstanding_puts = DEFAULT_MAX_OUTSTANDING_PUTS;
3086 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_gets",
3087 &temp_config_number))
3088 max_outstanding_gets = temp_config_number;
3090 max_outstanding_gets = DEFAULT_MAX_OUTSTANDING_GETS;
3093 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "timeout",
3094 &temp_config_number))
3095 all_get_timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
3097 all_get_timeout.rel_value = get_timeout.rel_value * num_gets;
3100 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "get_delay",
3101 &temp_config_number))
3102 get_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
3104 get_delay = DEFAULT_GET_DELAY;
3107 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "put_delay",
3108 &temp_config_number))
3109 put_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
3111 put_delay = DEFAULT_PUT_DELAY;
3114 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "peer_start_timeout",
3115 &temp_config_number))
3116 seconds_per_peer_start = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
3118 seconds_per_peer_start = DEFAULT_SECONDS_PER_PEER_START;
3121 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "data_size",
3122 &temp_config_number))
3123 test_data_size = temp_config_number;
3125 test_data_size = DEFAULT_TEST_DATA_SIZE;
3128 * Get testing related options.
3130 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "DHT_TESTING", "REPLICATE_SAME"))
3131 replicate_same = GNUNET_YES;
3134 * Get testing related options.
3136 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "DHT_TESTING", "GET_FROM_SAME"))
3137 get_from_same = GNUNET_YES;
3140 if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_time (cfg, "DHT_TESTING",
3141 "MALICIOUS_GET_FREQUENCY",
3142 &malicious_get_frequency))
3143 malicious_get_frequency = DEFAULT_MALICIOUS_GET_FREQUENCY;
3146 if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_time (cfg, "DHT_TESTING",
3147 "MALICIOUS_PUT_FREQUENCY",
3148 &malicious_put_frequency))
3149 malicious_put_frequency = DEFAULT_MALICIOUS_PUT_FREQUENCY;
3151 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "DHT_TESTING", "MALICIOUS_AFTER_SETTLE"))
3152 malicious_after_settle = GNUNET_YES;
3154 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "DHT_TESTING", "MALICIOUS_SYBIL"))
3156 /* Set up the malicious target at random for this round */
3157 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &sybil_target);
3158 malicious_sybil = GNUNET_YES;
3161 /* Create the bloomfilter for choosing which peers to set malicious */
3163 /* Bloomfilter size must be 2^k for some integer k */
3165 while (1 << k < malicious_droppers)
3167 if (malicious_droppers > 0)
3168 malicious_bloom = GNUNET_CONTAINER_bloomfilter_init (NULL, 1 << k, DHT_BLOOM_K);
3170 /* The normal behavior of the DHT is to do find peer requests
3171 * on its own. Only if this is explicitly turned off should
3172 * the testing driver issue find peer requests (even though
3173 * this is likely the default when testing).
3176 GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
3179 do_find_peer = GNUNET_YES;
3183 GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht",
3186 in_dht_replication = GNUNET_YES;
3189 if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING",
3196 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING",
3198 &temp_config_number))
3200 find_peer_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number);
3203 find_peer_delay = DEFAULT_FIND_PEER_DELAY;
3205 if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_number(cfg, "DHT_TESTING", "ROUND_DELAY", &round_delay))
3208 if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING",
3209 "OUTSTANDING_FIND_PEERS",
3210 &max_outstanding_find_peers))
3211 max_outstanding_find_peers = DEFAULT_MAX_OUTSTANDING_FIND_PEERS;
3213 if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "strict_kademlia"))
3214 max_outstanding_find_peers = max_outstanding_find_peers * 1;
3216 find_peer_offset = GNUNET_TIME_relative_divide (find_peer_delay, max_outstanding_find_peers);
3218 if (GNUNET_SYSERR ==
3219 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "num_rounds",
3225 if ((GNUNET_SYSERR ==
3226 GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "target_total_connections",
3227 &target_total_connections)) ||
3228 (target_total_connections == 0))
3230 target_total_connections = connection_estimate(num_peers, DEFAULT_BUCKET_SIZE);
3233 topology_str = NULL;
3235 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "topology",
3236 &topology_str)) && (GNUNET_NO == GNUNET_TESTING_topology_get(&topology, topology_str)))
3238 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
3239 "Invalid topology `%s' given for section %s option %s\n", topology_str, "TESTING", "TOPOLOGY");
3240 topology = GNUNET_TESTING_TOPOLOGY_CLIQUE; /* Defaults to NONE, so set better default here */
3244 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "percentage",
3245 &topology_percentage_str))
3246 topology_percentage = 0.5;
3249 topology_percentage = atof (topology_percentage_str);
3250 GNUNET_free(topology_percentage_str);
3254 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "probability",
3255 &topology_probability_str))
3256 topology_probability = 0.5;
3259 topology_probability = atof (topology_probability_str);
3260 GNUNET_free(topology_probability_str);
3264 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "connect_topology",
3265 &connect_topology_str)) && (GNUNET_NO == GNUNET_TESTING_topology_get(&connect_topology, connect_topology_str)))
3267 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
3268 "Invalid connect topology `%s' given for section %s option %s\n", connect_topology_str, "TESTING", "CONNECT_TOPOLOGY");
3270 GNUNET_free_non_null(connect_topology_str);
3273 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "connect_topology_option",
3274 &connect_topology_option_str)) && (GNUNET_NO == GNUNET_TESTING_topology_option_get(&connect_topology_option, connect_topology_option_str)))
3276 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
3277 "Invalid connect topology option `%s' given for section %s option %s\n", connect_topology_option_str, "TESTING", "CONNECT_TOPOLOGY_OPTION");
3278 connect_topology_option = GNUNET_TESTING_TOPOLOGY_OPTION_ALL; /* Defaults to NONE, set to ALL */
3280 GNUNET_free_non_null(connect_topology_option_str);
3283 GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "connect_topology_option_modifier",
3284 &connect_topology_option_modifier_string))
3286 if (sscanf(connect_topology_option_modifier_string, "%lf", &connect_topology_option_modifier) != 1)
3288 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
3289 _("Invalid value `%s' for option `%s' in section `%s': expected float\n"),
3290 connect_topology_option_modifier_string,
3291 "connect_topology_option_modifier",
3294 GNUNET_free (connect_topology_option_modifier_string);
3297 if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "blacklist_transports",
3298 &blacklist_transports))
3299 blacklist_transports = NULL;
3302 GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "blacklist_topology",
3303 &blacklist_topology_str)) &&
3304 (GNUNET_NO == GNUNET_TESTING_topology_get(&blacklist_topology, blacklist_topology_str)))
3306 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
3307 "Invalid topology `%s' given for section %s option %s\n", topology_str, "TESTING", "BLACKLIST_TOPOLOGY");
3309 GNUNET_free_non_null(topology_str);
3310 GNUNET_free_non_null(blacklist_topology_str);
3312 /* Set peers_left so we know when all peers started */
3313 peers_left = num_peers;
3316 /* Set up a task to end testing if peer start fails */
3317 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers),
3318 &end_badly, "didn't generate all hostkeys within allowed startup time!");
3320 if (dhtlog_handle == NULL)
3321 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
3322 "dhtlog_handle is NULL!");
3324 trial_info.other_identifier = (unsigned int)trial_to_run;
3325 trial_info.num_nodes = peers_left;
3326 trial_info.topology = topology;
3327 trial_info.blacklist_topology = blacklist_topology;
3328 trial_info.connect_topology = connect_topology;
3329 trial_info.connect_topology_option = connect_topology_option;
3330 trial_info.connect_topology_option_modifier = connect_topology_option_modifier;
3331 trial_info.topology_percentage = topology_percentage;
3332 trial_info.topology_probability = topology_probability;
3333 trial_info.puts = num_puts;
3334 trial_info.gets = num_gets;
3335 trial_info.concurrent = max_outstanding_gets;
3336 trial_info.settle_time = settle_time;
3337 trial_info.num_rounds = total_rounds;
3338 trial_info.malicious_getters = malicious_getters;
3339 trial_info.malicious_putters = malicious_putters;
3340 trial_info.malicious_droppers = malicious_droppers;
3341 trial_info.malicious_get_frequency = malicious_get_frequency.rel_value;
3342 trial_info.malicious_put_frequency = malicious_put_frequency.rel_value;
3343 trial_info.stop_closest = stop_closest;
3344 trial_info.stop_found = stop_found;
3345 trial_info.strict_kademlia = strict_kademlia;
3347 if (trialmessage != NULL)
3348 trial_info.message = trialmessage;
3350 trial_info.message = "";
3352 if (dhtlog_handle != NULL)
3353 dhtlog_handle->insert_trial(&trial_info);
3355 GNUNET_free_non_null(trialmessage);
3357 hostkey_meter = create_meter(peers_left, "Hostkeys created ", GNUNET_YES);
3358 peer_start_meter = create_meter(peers_left, "Peers started ", GNUNET_YES);
3360 put_meter = create_meter(num_puts, "Puts completed ", GNUNET_YES);
3361 get_meter = create_meter(num_gets, "Gets completed ", GNUNET_YES);
3362 pg = GNUNET_TESTING_daemons_start (cfg,
3364 max_outstanding_connections,
3365 GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers),
3366 &hostkey_callback, NULL,
3367 &peers_started_callback, NULL,
3368 &topology_callback, NULL,
3371 while (temphost != NULL)
3373 tempnext = temphost->next;
3374 GNUNET_free (temphost->username);
3375 GNUNET_free (temphost->hostname);
3376 GNUNET_free (temphost);
3377 temphost = tempnext;
3382 main (int argc, char *argv[])
3385 struct GNUNET_GETOPT_CommandLineOption options[] = {
3386 GNUNET_GETOPT_OPTION_END
3389 ret = GNUNET_PROGRAM_run (argc,
3390 argv, "gnunet-dht-driver", "nohelp",
3391 options, &run, &ok);
3393 if (malicious_bloom != NULL)
3394 GNUNET_CONTAINER_bloomfilter_free (malicious_bloom);
3396 if (ret != GNUNET_OK)
3398 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "`gnunet-dht-driver': Failed with error code %d\n", ret);
3402 * Need to remove base directory, subdirectories taken care
3403 * of by the testing framework.
3405 if (GNUNET_DISK_directory_remove (test_directory) != GNUNET_OK)
3407 GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to remove testing directory %s\n", test_directory);
3412 /* end of gnunet-dht-driver.c */