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3 Copyright (C) 2009, 2012 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
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7 by the Free Software Foundation, either version 3 of the License,
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
19 * @file rps/test_rps.c
20 * @brief Testcase for the random peer sampling service. Starts
21 * a peergroup with a given number of peers, then waits to
22 * receive size pushes/pulls from each peer. Expects to wait
23 * for one message from each peer.
26 #include "gnunet_util_lib.h"
27 #include "gnunet_testbed_service.h"
29 #include "gnunet_rps_service.h"
30 #include "rps-test_util.h"
31 #include "gnunet-service-rps_sampler_elem.h"
37 * How many peers do we start?
39 static uint32_t num_peers;
42 * How long do we run the test?
45 static uint32_t timeout_s;
48 * How long do we run the test?
50 //#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
51 static struct GNUNET_TIME_Relative timeout;
55 * Portion of malicious peers
57 static double portion = .1;
60 * Type of malicious peer to test
62 static unsigned int mal_type = 0;
65 * Handles to all of the running peers
67 static struct GNUNET_TESTBED_Peer **testbed_peers;
70 * @brief Indicates whether peer should go off- or online
72 enum PEER_ONLINE_DELTA {
74 * @brief Indicates peer going online
78 * @brief Indicates peer going offline
91 struct OpListEntry *next;
96 struct OpListEntry *prev;
99 * The testbed operation
101 struct GNUNET_TESTBED_Operation *op;
104 * Depending on whether we start or stop RPS service at the peer, set this to
105 * #PEER_GO_ONLINE (1) or #PEER_GO_OFFLINE (-1)
107 enum PEER_ONLINE_DELTA delta;
110 * Index of the regarding peer
118 static struct OpListEntry *oplist_head;
123 static struct OpListEntry *oplist_tail;
127 * A pending reply: A request was sent and the reply is pending.
134 struct PendingReply *next;
135 struct PendingReply *prev;
138 * Handle to the request we are waiting for
140 struct GNUNET_RPS_Request_Handle *req_handle;
143 * The peer that requested
145 struct RPSPeer *rps_peer;
150 * A pending request: A request was not made yet but is scheduled for later.
152 struct PendingRequest
157 struct PendingRequest *next;
158 struct PendingRequest *prev;
161 * Handle to the request we are waiting for
163 struct GNUNET_SCHEDULER_Task *request_task;
166 * The peer that requested
168 struct RPSPeer *rps_peer;
173 * Information we track for each peer.
183 * Handle for RPS connect operation.
185 struct GNUNET_TESTBED_Operation *op;
188 * Handle to RPS service.
190 struct GNUNET_RPS_Handle *rps_handle;
195 struct GNUNET_PeerIdentity *peer_id;
198 * A request handle to check for an request
200 //struct GNUNET_RPS_Request_Handle *req_handle;
203 * Peer on- or offline?
208 * Number of Peer IDs to request during the whole test
210 unsigned int num_ids_to_request;
213 * Pending requests DLL
215 struct PendingRequest *pending_req_head;
216 struct PendingRequest *pending_req_tail;
219 * Number of pending requests
221 unsigned int num_pending_reqs;
224 * Pending replies DLL
226 struct PendingReply *pending_rep_head;
227 struct PendingReply *pending_rep_tail;
230 * Number of pending replies
232 unsigned int num_pending_reps;
235 * Number of received PeerIDs
237 unsigned int num_recv_ids;
240 * Pending operation on that peer
242 const struct OpListEntry *entry_op_manage;
245 * Testbed operation to connect to statistics service
247 struct GNUNET_TESTBED_Operation *stat_op;
250 * Handle to the statistics service
252 struct GNUNET_STATISTICS_Handle *stats_h;
255 * @brief flags to indicate which statistics values have been already
256 * collected from the statistics service.
257 * Used to check whether we are able to shutdown.
259 uint32_t stat_collected_flags;
262 * @brief File name of the file the stats are finally written to
264 const char *file_name_stats;
267 * @brief File name of the file the stats are finally written to
269 const char *file_name_probs;
272 * @brief The current view
274 struct GNUNET_PeerIdentity *cur_view;
277 * @brief Number of peers in the #cur_view.
279 uint32_t cur_view_count;
282 * @brief Number of occurrences in other peer's view
284 uint32_t count_in_views;
287 * @brief statistics values
291 uint64_t num_blocks_many_push;
292 uint64_t num_blocks_no_push;
293 uint64_t num_blocks_no_pull;
294 uint64_t num_blocks_many_push_no_pull;
295 uint64_t num_blocks_no_push_no_pull;
296 uint64_t num_issued_push;
297 uint64_t num_issued_pull_req;
298 uint64_t num_issued_pull_rep;
299 uint64_t num_sent_push;
300 uint64_t num_sent_pull_req;
301 uint64_t num_sent_pull_rep;
302 uint64_t num_recv_push;
303 uint64_t num_recv_pull_req;
304 uint64_t num_recv_pull_rep;
309 STAT_TYPE_ROUNDS = 0x1, /* 1 */
310 STAT_TYPE_BLOCKS = 0x2, /* 2 */
311 STAT_TYPE_BLOCKS_MANY_PUSH = 0x4, /* 3 */
312 STAT_TYPE_BLOCKS_NO_PUSH = 0x8, /* 4 */
313 STAT_TYPE_BLOCKS_NO_PULL = 0x10, /* 5 */
314 STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL = 0x20, /* 6 */
315 STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL = 0x40, /* 7 */
316 STAT_TYPE_ISSUED_PUSH_SEND = 0x80, /* 8 */
317 STAT_TYPE_ISSUED_PULL_REQ = 0x100, /* 9 */
318 STAT_TYPE_ISSUED_PULL_REP = 0x200, /* 10 */
319 STAT_TYPE_SENT_PUSH_SEND = 0x400, /* 11 */
320 STAT_TYPE_SENT_PULL_REQ = 0x800, /* 12 */
321 STAT_TYPE_SENT_PULL_REP = 0x1000, /* 13 */
322 STAT_TYPE_RECV_PUSH_SEND = 0x2000, /* 14 */
323 STAT_TYPE_RECV_PULL_REQ = 0x4000, /* 15 */
324 STAT_TYPE_RECV_PULL_REP = 0x8000, /* 16 */
325 STAT_TYPE_MAX = 0x80000000, /* 32 */
330 struct RPSPeer *rps_peer;
331 enum STAT_TYPE stat_type;
336 * Information for all the peers.
338 static struct RPSPeer *rps_peers;
341 * Peermap to get the index of a given peer ID quick.
343 static struct GNUNET_CONTAINER_MultiPeerMap *peer_map;
348 static struct GNUNET_PeerIdentity *rps_peer_ids;
351 * ID of the targeted peer.
353 static struct GNUNET_PeerIdentity *target_peer;
356 * ID of the peer that requests for the evaluation.
358 static struct RPSPeer *eval_peer;
361 * Number of online peers.
363 static unsigned int num_peers_online;
366 * @brief The added sizes of the peer's views
368 static unsigned int view_sizes;
371 * Return value from 'main'.
376 * Identifier for the churn task that runs periodically
378 static struct GNUNET_SCHEDULER_Task *post_test_task;
381 * Identifier for the churn task that runs periodically
383 static struct GNUNET_SCHEDULER_Task *shutdown_task;
386 * Identifier for the churn task that runs periodically
388 static struct GNUNET_SCHEDULER_Task *churn_task;
391 * Called to initialise the given RPSPeer
393 typedef void (*InitPeer) (struct RPSPeer *rps_peer);
396 * @brief Called directly after connecting to the service
398 * @param rps_peer Specific peer the function is called on
399 * @param h the handle to the rps service
401 typedef void (*PreTest) (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h);
404 * @brief Executes functions to test the api/service for a given peer
406 * Called from within #rps_connect_complete_cb ()
407 * Implemented by #churn_test_cb, #profiler_cb, #mal_cb, #single_req_cb,
408 * #delay_req_cb, #seed_big_cb, #single_peer_seed_cb, #seed_cb, #req_cancel_cb
410 * @param rps_peer the peer the task runs on
412 typedef void (*MainTest) (struct RPSPeer *rps_peer);
415 * Callback called once the requested random peers are available
417 typedef void (*ReplyHandle) (void *cls,
419 const struct GNUNET_PeerIdentity *recv_peers);
422 * Called directly before disconnecting from the service
424 typedef void (*PostTest) (struct RPSPeer *peer);
427 * Function called after disconnect to evaluate test success
429 typedef int (*EvaluationCallback) (void);
432 * @brief Do we have Churn?
436 * @brief If we have churn this is set
440 * @brief If we have no churn this is set
446 * @brief Is it ok to quit the test before the timeout?
448 enum OPTION_QUICK_QUIT {
450 * @brief It is ok for the test to quit before the timeout triggers
455 * @brief It is NOT ok for the test to quit before the timeout triggers
461 * @brief Do we collect statistics at the end?
463 enum OPTION_COLLECT_STATISTICS {
465 * @brief We collect statistics at the end
470 * @brief We do not collect statistics at the end
472 NO_COLLECT_STATISTICS,
476 * @brief Do we collect views during run?
478 enum OPTION_COLLECT_VIEW {
480 * @brief We collect view during run
485 * @brief We do not collect the view during run
491 * Structure to define a single test
501 * Called with a single peer in order to initialise that peer
506 * Called directly after connecting to the service
511 * Main function for each peer
516 * Callback called once the requested peers are available
518 ReplyHandle reply_handle;
521 * Called directly before disconnecting from the service
526 * Function to evaluate the test results
528 EvaluationCallback eval_cb;
533 uint32_t request_interval;
536 * Number of Requests to make.
538 uint32_t num_requests;
541 * Run with (-out) churn
543 enum OPTION_CHURN have_churn;
546 * Quit test before timeout?
548 enum OPTION_QUICK_QUIT have_quick_quit;
551 * Collect statistics at the end?
553 enum OPTION_COLLECT_STATISTICS have_collect_statistics;
556 * Collect view during run?
558 enum OPTION_COLLECT_VIEW have_collect_view;
561 * @brief Mark which values from the statistics service to collect at the end
564 uint32_t stat_collect_flags;
568 * Did we finish the test?
570 static int post_test;
573 * Are we shutting down?
575 static int in_shutdown;
578 * Append arguments to file
581 tofile_ (const char *file_name, const char *line)
583 struct GNUNET_DISK_FileHandle *f;
584 /* char output_buffer[512]; */
589 if (NULL == (f = GNUNET_DISK_file_open (file_name,
590 GNUNET_DISK_OPEN_APPEND |
591 GNUNET_DISK_OPEN_WRITE |
592 GNUNET_DISK_OPEN_CREATE,
593 GNUNET_DISK_PERM_USER_READ |
594 GNUNET_DISK_PERM_USER_WRITE |
595 GNUNET_DISK_PERM_GROUP_READ |
596 GNUNET_DISK_PERM_OTHER_READ)))
598 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
599 "Not able to open file %s\n",
603 /* size = GNUNET_snprintf (output_buffer,
604 sizeof (output_buffer),
606 GNUNET_TIME_absolute_get ().abs_value_us,
610 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
611 "Failed to write string to buffer (size: %i)\n",
616 size = strlen (line) * sizeof (char);
618 size2 = GNUNET_DISK_file_write (f, line, size);
621 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
622 "Unable to write to file! (Size: %lu, size2: %lu)\n",
625 if (GNUNET_YES != GNUNET_DISK_file_close (f))
627 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
628 "Unable to close file\n");
633 if (GNUNET_YES != GNUNET_DISK_file_close (f))
635 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
636 "Unable to close file\n");
641 * This function is used to facilitate writing important information to disk
643 #define tofile(file_name, ...) do {\
646 size = GNUNET_snprintf(tmp_buf,sizeof(tmp_buf),__VA_ARGS__);\
648 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,\
649 "Failed to create tmp_buf\n");\
651 tofile_(file_name,tmp_buf);\
656 * Write the ids and their according index in the given array to a file
660 ids_to_file (char *file_name,
661 struct GNUNET_PeerIdentity *peer_ids,
662 unsigned int num_peer_ids)
666 for (i=0 ; i < num_peer_ids ; i++)
671 GNUNET_i2s_full (&peer_ids[i]));
676 * Test the success of a single test
686 for (i = 0; i < num_peers; i++)
688 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
689 "%u. peer [%s] received %u of %u expected peer_ids: %i\n",
691 GNUNET_i2s (rps_peers[i].peer_id),
692 rps_peers[i].num_recv_ids,
693 rps_peers[i].num_ids_to_request,
694 (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids));
695 tmp_ok &= (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids);
697 return tmp_ok? 0 : 1;
702 * Creates an oplist entry and adds it to the oplist DLL
704 static struct OpListEntry *
707 struct OpListEntry *entry;
709 entry = GNUNET_new (struct OpListEntry);
710 GNUNET_CONTAINER_DLL_insert_tail (oplist_head, oplist_tail, entry);
716 * @brief Checks if given peer already received its statistics value from the
717 * statistics service.
719 * @param rps_peer the peer to check for
721 * @return #GNUNET_YES if so
722 * #GNUNET_NO otherwise
724 static int check_statistics_collect_completed_single_peer (
725 const struct RPSPeer *rps_peer)
727 if (cur_test_run.stat_collect_flags !=
728 (cur_test_run.stat_collect_flags &
729 rps_peer->stat_collected_flags))
736 * @brief Checks if all peers already received their statistics value from the
737 * statistics service.
739 * @return #GNUNET_YES if so
740 * #GNUNET_NO otherwise
742 static int check_statistics_collect_completed ()
746 for (i = 0; i < num_peers; i++)
748 if (GNUNET_NO == check_statistics_collect_completed_single_peer (&rps_peers[i]))
750 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
751 "At least Peer %" PRIu32 " did not yet receive all statistics values\n",
756 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
757 "All peers received their statistics values\n");
762 * Task run on timeout to shut everything down.
765 shutdown_op (void *cls)
769 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
770 "Shutdown task scheduled, going down.\n");
771 in_shutdown = GNUNET_YES;
772 if (NULL != post_test_task)
774 GNUNET_SCHEDULER_cancel (post_test_task);
776 if (NULL != churn_task)
778 GNUNET_SCHEDULER_cancel (churn_task);
781 for (i = 0; i < num_peers; i++)
783 if (NULL != rps_peers[i].rps_handle)
785 GNUNET_RPS_disconnect (rps_peers[i].rps_handle);
787 if (NULL != rps_peers[i].op)
789 GNUNET_TESTBED_operation_done (rps_peers[i].op);
796 * Task run on timeout to collect statistics and potentially shut down.
799 post_test_op (void *cls)
803 post_test_task = NULL;
804 post_test = GNUNET_YES;
805 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
806 "Post test task scheduled, going down.\n");
807 if (NULL != churn_task)
809 GNUNET_SCHEDULER_cancel (churn_task);
812 for (i = 0; i < num_peers; i++)
814 if (NULL != rps_peers[i].op)
816 GNUNET_TESTBED_operation_done (rps_peers[i].op);
817 rps_peers[i].op = NULL;
819 if (NULL != cur_test_run.post_test)
821 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Executing post_test for peer %u\n", i);
822 cur_test_run.post_test (&rps_peers[i]);
825 /* If we do not collect statistics, shut down directly */
826 if (NO_COLLECT_STATISTICS == cur_test_run.have_collect_statistics ||
827 GNUNET_YES == check_statistics_collect_completed())
829 GNUNET_SCHEDULER_shutdown ();
838 seed_peers (void *cls)
840 struct RPSPeer *peer = cls;
844 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
849 GNUNET_assert (NULL != peer->rps_handle);
851 // TODO if malicious don't seed mal peers
852 amount = round (.5 * num_peers);
854 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding peers:\n");
855 for (i = 0 ; i < amount ; i++)
856 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
858 GNUNET_i2s (&rps_peer_ids[i]));
860 GNUNET_RPS_seed_ids (peer->rps_handle, amount, rps_peer_ids);
868 seed_peers_big (void *cls)
870 struct RPSPeer *peer = cls;
871 unsigned int seed_msg_size;
872 uint32_t num_peers_max;
876 seed_msg_size = 8; /* sizeof (struct GNUNET_RPS_CS_SeedMessage) */
877 num_peers_max = (GNUNET_MAX_MESSAGE_SIZE - seed_msg_size) /
878 sizeof (struct GNUNET_PeerIdentity);
879 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
880 "Peers that fit in one seed msg; %u\n",
882 amount = num_peers_max + (0.5 * num_peers_max);
883 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
884 "Seeding many (%u) peers:\n",
886 struct GNUNET_PeerIdentity ids_to_seed[amount];
887 for (i = 0; i < amount; i++)
889 ids_to_seed[i] = *peer->peer_id;
890 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
892 GNUNET_i2s (&ids_to_seed[i]));
895 GNUNET_RPS_seed_ids (peer->rps_handle, amount, ids_to_seed);
899 * Get the id of peer i.
902 info_cb (void *cb_cls,
903 struct GNUNET_TESTBED_Operation *op,
904 const struct GNUNET_TESTBED_PeerInformation *pinfo,
907 struct OpListEntry *entry = (struct OpListEntry *) cb_cls;
909 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
914 if (NULL == pinfo || NULL != emsg)
916 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Got Error: %s\n", emsg);
917 GNUNET_TESTBED_operation_done (entry->op);
921 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
924 GNUNET_i2s (pinfo->result.id));
926 rps_peer_ids[entry->index] = *(pinfo->result.id);
927 rps_peers[entry->index].peer_id = &rps_peer_ids[entry->index];
929 GNUNET_assert (GNUNET_OK ==
930 GNUNET_CONTAINER_multipeermap_put (peer_map,
931 &rps_peer_ids[entry->index],
932 &rps_peers[entry->index],
933 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
934 tofile ("/tmp/rps/peer_ids",
937 GNUNET_i2s_full (&rps_peer_ids[entry->index]));
939 GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
940 GNUNET_TESTBED_operation_done (entry->op);
946 * Callback to be called when RPS service connect operation is completed
948 * @param cls the callback closure from functions generating an operation
949 * @param op the operation that has been finished
950 * @param ca_result the RPS service handle returned from rps_connect_adapter
951 * @param emsg error message in case the operation has failed; will be NULL if
952 * operation has executed successfully.
955 rps_connect_complete_cb (void *cls,
956 struct GNUNET_TESTBED_Operation *op,
960 struct RPSPeer *rps_peer = cls;
961 struct GNUNET_RPS_Handle *rps = ca_result;
963 GNUNET_assert (NULL != ca_result);
965 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
970 rps_peer->rps_handle = rps;
971 rps_peer->online = GNUNET_YES;
974 GNUNET_assert (op == rps_peer->op);
977 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
978 "Failed to connect to RPS service: %s\n",
981 GNUNET_SCHEDULER_shutdown ();
985 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started client successfully\n");
987 cur_test_run.main_test (rps_peer);
992 * Adapter function called to establish a connection to
996 * @param cfg configuration of the peer to connect to; will be available until
997 * GNUNET_TESTBED_operation_done() is called on the operation returned
998 * from GNUNET_TESTBED_service_connect()
999 * @return service handle to return in 'op_result', NULL on error
1002 rps_connect_adapter (void *cls,
1003 const struct GNUNET_CONFIGURATION_Handle *cfg)
1005 struct GNUNET_RPS_Handle *h;
1007 h = GNUNET_RPS_connect (cfg);
1008 GNUNET_assert (NULL != h);
1010 if (NULL != cur_test_run.pre_test)
1011 cur_test_run.pre_test (cls, h);
1012 GNUNET_assert (NULL != h);
1018 * Called to open a connection to the peer's statistics
1020 * @param cls peer context
1021 * @param cfg configuration of the peer to connect to; will be available until
1022 * GNUNET_TESTBED_operation_done() is called on the operation returned
1023 * from GNUNET_TESTBED_service_connect()
1024 * @return service handle to return in 'op_result', NULL on error
1027 stat_connect_adapter (void *cls,
1028 const struct GNUNET_CONFIGURATION_Handle *cfg)
1030 struct RPSPeer *peer = cls;
1032 peer->stats_h = GNUNET_STATISTICS_create ("rps-profiler", cfg);
1033 return peer->stats_h;
1037 * Called to disconnect from peer's statistics service
1039 * @param cls peer context
1040 * @param op_result service handle returned from the connect adapter
1043 stat_disconnect_adapter (void *cls, void *op_result)
1045 struct RPSPeer *peer = cls;
1047 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1048 // (peer->stats_h, "core", "# peers connected",
1049 // stat_iterator, peer));
1050 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1051 // (peer->stats_h, "nse", "# peers connected",
1052 // stat_iterator, peer));
1053 GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
1054 peer->stats_h = NULL;
1058 * Called after successfully opening a connection to a peer's statistics
1059 * service; we register statistics monitoring for CORE and NSE here.
1061 * @param cls the callback closure from functions generating an operation
1062 * @param op the operation that has been finished
1063 * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
1064 * @param emsg error message in case the operation has failed; will be NULL if
1065 * operation has executed successfully.
1068 stat_complete_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1069 void *ca_result, const char *emsg )
1071 //struct GNUNET_STATISTICS_Handle *sh = ca_result;
1072 //struct RPSPeer *peer = (struct RPSPeer *) cls;
1079 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1080 // (sh, "core", "# peers connected",
1081 // stat_iterator, peer));
1082 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1083 // (sh, "nse", "# peers connected",
1084 // stat_iterator, peer));
1089 * Adapter function called to destroy connection to
1092 * @param cls closure
1093 * @param op_result service handle returned from the connect adapter
1096 rps_disconnect_adapter (void *cls,
1099 struct RPSPeer *peer = cls;
1100 struct GNUNET_RPS_Handle *h = op_result;
1101 GNUNET_assert (NULL != peer);
1102 GNUNET_RPS_disconnect (h);
1103 peer->rps_handle = NULL;
1107 /***********************************************************************
1108 * Definition of tests
1109 ***********************************************************************/
1111 // TODO check whether tests can be stopped earlier
1113 default_eval_cb (void)
1125 * Initialise given RPSPeer
1127 static void default_init_peer (struct RPSPeer *rps_peer)
1129 rps_peer->num_ids_to_request = 1;
1133 * Callback to call on receipt of a reply
1135 * @param cls closure
1136 * @param n number of peers
1137 * @param recv_peers the received peers
1140 default_reply_handle (void *cls,
1142 const struct GNUNET_PeerIdentity *recv_peers)
1144 struct RPSPeer *rps_peer;
1145 struct PendingReply *pending_rep = (struct PendingReply *) cls;
1148 rps_peer = pending_rep->rps_peer;
1149 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
1150 rps_peer->pending_rep_tail,
1152 rps_peer->num_pending_reps--;
1153 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1154 "[%s] got %" PRIu64 " peers:\n",
1155 GNUNET_i2s (rps_peer->peer_id),
1158 for (i = 0; i < n; i++)
1160 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1163 GNUNET_i2s (&recv_peers[i]));
1165 rps_peer->num_recv_ids++;
1168 if (0 == evaluate () && HAVE_QUICK_QUIT == cur_test_run.have_quick_quit)
1170 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test succeeded before timeout\n");
1171 GNUNET_assert (NULL != post_test_task);
1172 GNUNET_SCHEDULER_cancel (post_test_task);
1173 post_test_task = GNUNET_SCHEDULER_add_now (&post_test_op, NULL);
1174 GNUNET_assert (NULL!= post_test_task);
1179 * Request random peers.
1182 request_peers (void *cls)
1184 struct PendingRequest *pending_req = cls;
1185 struct RPSPeer *rps_peer;
1186 struct PendingReply *pending_rep;
1188 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1190 rps_peer = pending_req->rps_peer;
1191 GNUNET_assert (1 <= rps_peer->num_pending_reqs);
1192 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
1193 rps_peer->pending_req_tail,
1195 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1196 "Requesting one peer\n");
1197 pending_rep = GNUNET_new (struct PendingReply);
1198 pending_rep->rps_peer = rps_peer;
1199 pending_rep->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle,
1201 cur_test_run.reply_handle,
1203 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_rep_head,
1204 rps_peer->pending_rep_tail,
1206 rps_peer->num_pending_reps++;
1207 rps_peer->num_pending_reqs--;
1211 cancel_pending_req (struct PendingRequest *pending_req)
1213 struct RPSPeer *rps_peer;
1215 rps_peer = pending_req->rps_peer;
1216 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
1217 rps_peer->pending_req_tail,
1219 rps_peer->num_pending_reqs--;
1220 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1221 "Cancelling pending request\n");
1222 GNUNET_SCHEDULER_cancel (pending_req->request_task);
1223 GNUNET_free (pending_req);
1227 cancel_request (struct PendingReply *pending_rep)
1229 struct RPSPeer *rps_peer;
1231 rps_peer = pending_rep->rps_peer;
1232 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
1233 rps_peer->pending_rep_tail,
1235 rps_peer->num_pending_reps--;
1236 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1237 "Cancelling request\n");
1238 GNUNET_RPS_request_cancel (pending_rep->req_handle);
1239 GNUNET_free (pending_rep);
1246 cancel_request_cb (void *cls)
1248 struct RPSPeer *rps_peer = cls;
1249 struct PendingReply *pending_rep;
1251 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1253 pending_rep = rps_peer->pending_rep_head;
1254 GNUNET_assert (1 <= rps_peer->num_pending_reps);
1255 cancel_request (pending_rep);
1260 * Schedule requests for peer @a rps_peer that have neither been scheduled, nor
1261 * issued, nor replied
1264 schedule_missing_requests (struct RPSPeer *rps_peer)
1267 struct PendingRequest *pending_req;
1269 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1270 "Scheduling %u - %u missing requests\n",
1271 rps_peer->num_ids_to_request,
1272 rps_peer->num_pending_reqs + rps_peer->num_pending_reps);
1273 GNUNET_assert (rps_peer->num_pending_reqs + rps_peer->num_pending_reps <=
1274 rps_peer->num_ids_to_request);
1275 for (i = rps_peer->num_pending_reqs + rps_peer->num_pending_reps;
1276 i < rps_peer->num_ids_to_request; i++)
1278 pending_req = GNUNET_new (struct PendingRequest);
1279 pending_req->rps_peer = rps_peer;
1280 pending_req->request_task = GNUNET_SCHEDULER_add_delayed (
1281 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
1282 cur_test_run.request_interval * i),
1285 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_req_head,
1286 rps_peer->pending_req_tail,
1288 rps_peer->num_pending_reqs++;
1293 cancel_pending_req_rep (struct RPSPeer *rps_peer)
1295 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1296 "Cancelling all (pending) requests.\n");
1297 while (NULL != rps_peer->pending_req_head)
1298 cancel_pending_req (rps_peer->pending_req_head);
1299 GNUNET_assert (0 == rps_peer->num_pending_reqs);
1300 while (NULL != rps_peer->pending_rep_head)
1301 cancel_request (rps_peer->pending_rep_head);
1302 GNUNET_assert (0 == rps_peer->num_pending_reps);
1305 /***********************************
1307 ***********************************/
1310 * Initialise only non-mal RPSPeers
1312 static void mal_init_peer (struct RPSPeer *rps_peer)
1314 if (rps_peer->index >= round (portion * num_peers))
1315 rps_peer->num_ids_to_request = 1;
1320 * @brief Set peers to (non-)malicious before execution
1322 * Of signature #PreTest
1324 * @param rps_peer the peer to set (non-) malicious
1325 * @param h the handle to the service
1328 mal_pre (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
1330 #ifdef ENABLE_MALICIOUS
1331 uint32_t num_mal_peers;
1333 GNUNET_assert ( (1 >= portion) &&
1335 num_mal_peers = round (portion * num_peers);
1337 if (rps_peer->index < num_mal_peers)
1339 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1340 "%u. peer [%s] of %" PRIu32 " malicious peers turning malicious\n",
1342 GNUNET_i2s (rps_peer->peer_id),
1345 GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers,
1346 rps_peer_ids, target_peer);
1348 #endif /* ENABLE_MALICIOUS */
1352 mal_cb (struct RPSPeer *rps_peer)
1354 uint32_t num_mal_peers;
1356 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1361 #ifdef ENABLE_MALICIOUS
1362 GNUNET_assert ( (1 >= portion) &&
1364 num_mal_peers = round (portion * num_peers);
1366 if (rps_peer->index >= num_mal_peers)
1367 { /* It's useless to ask a malicious peer about a random sample -
1368 it's not sampling */
1369 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1370 seed_peers, rps_peer);
1371 schedule_missing_requests (rps_peer);
1373 #endif /* ENABLE_MALICIOUS */
1377 /***********************************
1379 ***********************************/
1381 single_req_cb (struct RPSPeer *rps_peer)
1383 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1388 schedule_missing_requests (rps_peer);
1391 /***********************************
1393 ***********************************/
1395 delay_req_cb (struct RPSPeer *rps_peer)
1397 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1402 schedule_missing_requests (rps_peer);
1405 /***********************************
1407 ***********************************/
1409 seed_cb (struct RPSPeer *rps_peer)
1411 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1416 GNUNET_SCHEDULER_add_delayed (
1417 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
1418 seed_peers, rps_peer);
1421 /***********************************
1423 ***********************************/
1425 seed_big_cb (struct RPSPeer *rps_peer)
1427 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1432 // TODO test seeding > GNUNET_MAX_MESSAGE_SIZE peers
1433 GNUNET_SCHEDULER_add_delayed (
1434 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1435 seed_peers_big, rps_peer);
1438 /***********************************
1440 ***********************************/
1442 single_peer_seed_cb (struct RPSPeer *rps_peer)
1447 /***********************************
1449 ***********************************/
1451 seed_req_cb (struct RPSPeer *rps_peer)
1453 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1458 GNUNET_SCHEDULER_add_delayed (
1459 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1460 seed_peers, rps_peer);
1461 schedule_missing_requests (rps_peer);
1464 //TODO start big mal
1466 /***********************************
1468 ***********************************/
1470 req_cancel_cb (struct RPSPeer *rps_peer)
1472 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1477 schedule_missing_requests (rps_peer);
1478 GNUNET_SCHEDULER_add_delayed (
1479 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
1480 (cur_test_run.request_interval + 1)),
1481 cancel_request_cb, rps_peer);
1484 /***********************************
1486 ***********************************/
1492 * @brief Starts churn
1494 * Has signature of #MainTest
1496 * This is not implemented too nicely as this is called for each peer, but we
1497 * only need to call it once. (Yes we check that we only schedule the task
1500 * @param rps_peer The peer it's called for
1503 churn_test_cb (struct RPSPeer *rps_peer)
1505 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1511 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1513 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1514 "Starting churn task\n");
1515 churn_task = GNUNET_SCHEDULER_add_delayed (
1516 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1520 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1521 "Not starting churn task\n");
1524 schedule_missing_requests (rps_peer);
1527 /***********************************
1529 ***********************************/
1532 * Callback to be called when RPS service is started or stopped at peers
1535 * @param op the operation handle
1536 * @param emsg NULL on success; otherwise an error description
1539 churn_cb (void *cls,
1540 struct GNUNET_TESTBED_Operation *op,
1544 struct OpListEntry *entry = cls;
1546 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1551 GNUNET_TESTBED_operation_done (entry->op);
1554 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n");
1555 GNUNET_SCHEDULER_shutdown ();
1558 GNUNET_assert (0 != entry->delta);
1560 num_peers_online += entry->delta;
1562 if (PEER_GO_OFFLINE == entry->delta)
1563 { /* Peer hopefully just went offline */
1564 if (GNUNET_YES != rps_peers[entry->index].online)
1566 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1567 "peer %s was expected to go offline but is still marked as online\n",
1568 GNUNET_i2s (rps_peers[entry->index].peer_id));
1573 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1574 "peer %s probably went offline as expected\n",
1575 GNUNET_i2s (rps_peers[entry->index].peer_id));
1577 rps_peers[entry->index].online = GNUNET_NO;
1580 else if (PEER_GO_ONLINE < entry->delta)
1581 { /* Peer hopefully just went online */
1582 if (GNUNET_NO != rps_peers[entry->index].online)
1584 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1585 "peer %s was expected to go online but is still marked as offline\n",
1586 GNUNET_i2s (rps_peers[entry->index].peer_id));
1591 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1592 "peer %s probably went online as expected\n",
1593 GNUNET_i2s (rps_peers[entry->index].peer_id));
1594 if (NULL != cur_test_run.pre_test)
1596 cur_test_run.pre_test (&rps_peers[entry->index],
1597 rps_peers[entry->index].rps_handle);
1598 schedule_missing_requests (&rps_peers[entry->index]);
1601 rps_peers[entry->index].online = GNUNET_YES;
1605 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1606 "Invalid value for delta: %i\n", entry->delta);
1610 GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
1611 rps_peers[entry->index].entry_op_manage = NULL;
1612 GNUNET_free (entry);
1613 //if (num_peers_in_round[current_round] == peers_running)
1618 * @brief Set the rps-service up or down for a specific peer
1620 * @param i index of action
1621 * @param j index of peer
1622 * @param delta (#PEER_ONLINE_DELTA) down (-1) or up (1)
1623 * @param prob_go_on_off the probability of the action
1626 manage_service_wrapper (unsigned int i, unsigned int j,
1627 enum PEER_ONLINE_DELTA delta,
1628 double prob_go_on_off)
1630 struct OpListEntry *entry = NULL;
1633 /* make sure that management operation is not already scheduled */
1634 if (NULL != rps_peers[j].entry_op_manage)
1639 prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
1641 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1642 "%u. selected peer (%u: %s) is %s.\n",
1645 GNUNET_i2s (rps_peers[j].peer_id),
1646 (PEER_GO_ONLINE == delta) ? "online" : "offline");
1647 if (prob < prob_go_on_off * UINT32_MAX)
1649 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1651 GNUNET_i2s (rps_peers[j].peer_id),
1652 (PEER_GO_OFFLINE == delta) ? "offline" : "online");
1654 if (PEER_GO_OFFLINE == delta)
1655 cancel_pending_req_rep (&rps_peers[j]);
1656 entry = make_oplist_entry ();
1657 entry->delta = delta;
1659 entry->op = GNUNET_TESTBED_peer_manage_service (NULL,
1664 (PEER_GO_OFFLINE == delta) ? 0 : 1);
1665 rps_peers[j].entry_op_manage = entry;
1675 double portion_online;
1676 unsigned int *permut;
1677 double prob_go_offline;
1678 double portion_go_online;
1679 double portion_go_offline;
1681 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1685 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1686 "Churn function executing\n");
1688 churn_task = NULL; /* Should be invalid by now */
1690 /* Compute the probability for an online peer to go offline
1692 portion_online = num_peers_online * 1.0 / num_peers;
1693 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1694 "Portion online: %f\n",
1696 portion_go_online = ((1 - portion_online) * .5 * .66);
1697 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1698 "Portion that should go online: %f\n",
1700 portion_go_offline = (portion_online + portion_go_online) - .75;
1701 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1702 "Portion that probably goes offline: %f\n",
1703 portion_go_offline);
1704 prob_go_offline = portion_go_offline / (portion_online * .5);
1705 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1706 "Probability of a selected online peer to go offline: %f\n",
1709 permut = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
1710 (unsigned int) num_peers);
1712 /* Go over 50% randomly chosen peers */
1713 for (i = 0; i < .5 * num_peers; i++)
1717 /* If online, shut down with certain probability */
1718 if (GNUNET_YES == rps_peers[j].online)
1720 manage_service_wrapper (i, j, -1, prob_go_offline);
1723 /* If offline, restart with certain probability */
1724 else if (GNUNET_NO == rps_peers[j].online)
1726 manage_service_wrapper (i, j, 1, 0.66);
1730 GNUNET_free (permut);
1732 churn_task = GNUNET_SCHEDULER_add_delayed (
1733 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1740 * Initialise given RPSPeer
1742 static void profiler_init_peer (struct RPSPeer *rps_peer)
1744 if (num_peers - 1 == rps_peer->index)
1745 rps_peer->num_ids_to_request = cur_test_run.num_requests;
1750 * Callback to call on receipt of a reply
1752 * @param cls closure
1753 * @param n number of peers
1754 * @param recv_peers the received peers
1757 profiler_reply_handle (void *cls,
1759 const struct GNUNET_PeerIdentity *recv_peers)
1761 struct RPSPeer *rps_peer;
1762 struct RPSPeer *rcv_rps_peer;
1766 struct PendingReply *pending_rep = (struct PendingReply *) cls;
1768 rps_peer = pending_rep->rps_peer;
1769 file_name = "/tmp/rps/received_ids";
1770 file_name_dh = "/tmp/rps/diehard_input";
1771 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1772 "[%s] got %" PRIu64 " peers:\n",
1773 GNUNET_i2s (rps_peer->peer_id),
1775 for (i = 0; i < n; i++)
1777 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1780 GNUNET_i2s (&recv_peers[i]));
1783 GNUNET_i2s_full (&recv_peers[i]));
1784 rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get (peer_map, &recv_peers[i]);
1785 GNUNET_assert (NULL != rcv_rps_peer);
1786 tofile (file_name_dh,
1788 (uint32_t) rcv_rps_peer->index);
1790 default_reply_handle (cls, n, recv_peers);
1795 profiler_cb (struct RPSPeer *rps_peer)
1797 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1803 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1805 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1806 "Starting churn task\n");
1807 churn_task = GNUNET_SCHEDULER_add_delayed (
1808 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1812 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1813 "Not starting churn task\n");
1816 /* Only request peer ids at one peer.
1817 * (It's the before-last because last one is target of the focussed attack.)
1819 if (eval_peer == rps_peer)
1820 schedule_missing_requests (rps_peer);
1824 * Function called from #profiler_eval with a filename.
1826 * @param cls closure
1827 * @param filename complete filename (absolute path)
1828 * @return #GNUNET_OK to continue to iterate,
1829 * #GNUNET_NO to stop iteration with no error,
1830 * #GNUNET_SYSERR to abort iteration with error!
1833 file_name_cb (void *cls, const char *filename)
1835 if (NULL != strstr (filename, "sampler_el"))
1837 struct RPS_SamplerElement *s_elem;
1838 struct GNUNET_CRYPTO_AuthKey auth_key;
1839 const char *key_char;
1842 key_char = filename + 20; /* Length of "/tmp/rps/sampler_el-" */
1843 tofile (filename, "--------------------------\n");
1845 auth_key = string_to_auth_key (key_char);
1846 s_elem = RPS_sampler_elem_create ();
1847 RPS_sampler_elem_set (s_elem, auth_key);
1849 for (i = 0; i < num_peers; i++)
1851 RPS_sampler_elem_next (s_elem, &rps_peer_ids[i]);
1853 RPS_sampler_elem_destroy (s_elem);
1859 * This is run after the test finished.
1861 * Compute all perfect samples.
1864 profiler_eval (void)
1866 /* Compute perfect sample for each sampler element */
1867 if (-1 == GNUNET_DISK_directory_scan ("/tmp/rps/", file_name_cb, NULL))
1869 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n");
1875 static uint32_t fac (uint32_t x)
1881 return x * fac (x - 1);
1884 static uint32_t binom (uint32_t n, uint32_t k)
1886 //GNUNET_assert (n >= k);
1887 if (k > n) return 0;
1888 if (0 > n) return 0;
1889 if (0 > k) return 0;
1890 if (0 == k) return 1;
1893 fac(k) * fac(n - k);
1897 * @brief is b in view of a?
1904 static int is_in_view (uint32_t a, uint32_t b)
1907 for (i = 0; i < rps_peers[a].cur_view_count; i++)
1909 if (0 == memcmp (rps_peers[b].peer_id,
1910 &rps_peers[a].cur_view[i],
1911 sizeof (struct GNUNET_PeerIdentity)))
1919 static uint32_t get_idx_of_pid (const struct GNUNET_PeerIdentity *pid)
1923 for (i = 0; i < num_peers; i++)
1925 if (0 == memcmp (pid,
1926 rps_peers[i].peer_id,
1927 sizeof (struct GNUNET_PeerIdentity)))
1932 //return 0; /* Should not happen - make compiler happy */
1933 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1934 "No known _PeerIdentity %s!\n",
1935 GNUNET_i2s_full (pid));
1940 * @brief Counts number of peers in view of a that have b in their view
1947 static uint32_t count_containing_views (uint32_t a, uint32_t b)
1953 for (i = 0; i < rps_peers[a].cur_view_count; i++)
1955 peer_idx = get_idx_of_pid (&rps_peers[a].cur_view[i]);
1956 if (GNUNET_YES == is_in_view (peer_idx, b))
1965 * @brief Computes the probability for each other peer to be selected by the
1966 * sampling process based on the views of all peers
1968 * @param peer_idx index of the peer that is about to sample
1970 static void compute_probabilities (uint32_t peer_idx)
1972 //double probs[num_peers] = { 0 };
1973 double probs[num_peers];
1974 size_t probs_as_str_size = (num_peers * 10 + 1) * sizeof (char);
1975 char *probs_as_str = GNUNET_malloc (probs_as_str_size);
1976 char *probs_as_str_cpy;
1981 uint32_t cont_views;
1982 uint32_t number_of_being_in_pull_events;
1984 uint32_t count_non_zero_prob = 0;
1986 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1987 "Computing probabilities for peer %" PRIu32 "\n", peer_idx);
1988 /* Firstly without knowledge of old views */
1989 for (i = 0; i < num_peers; i++)
1991 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1992 "\tfor peer %" PRIu32 ":\n", i);
1993 view_size = rps_peers[i].cur_view_count;
1994 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1995 "\t\tview_size: %" PRIu32 "\n", view_size);
1996 /* For peer i the probability of being sampled is
1997 * evenly distributed among all possibly observed peers. */
1998 /* We could have observed a peer in three cases:
1999 * 1. peer sent a push
2000 * 2. peer was contained in a pull reply
2001 * 3. peer was in history (sampler) - ignored for now */
2002 /* 1. Probability of having received a push from peer i */
2003 if ((GNUNET_YES == is_in_view (i, peer_idx)) &&
2004 (1 <= (0.45 * view_size)))
2006 prob_push = 1.0 * binom (0.45 * view_size, 1)
2008 binom (view_size, 0.45 * view_size);
2009 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2010 "\t\t%" PRIu32 " is in %" PRIu32 "'s view, prob: %f\n",
2014 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2015 "\t\tposs choices from view: %" PRIu32 ", containing i: %" PRIu32 "\n",
2016 binom (view_size, 0.45 * view_size),
2017 binom (0.45 * view_size, 1));
2020 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2021 "\t\t%" PRIu32 " is not in %" PRIu32 "'s view, prob: 0\n",
2025 /* 2. Probability of peer i being contained in pulls */
2026 view_size = rps_peers[peer_idx].cur_view_count;
2027 cont_views = count_containing_views (peer_idx, i);
2028 number_of_being_in_pull_events =
2029 (binom (view_size, 0.45 * view_size) -
2030 binom (view_size - cont_views, 0.45 * view_size));
2031 if (0 != number_of_being_in_pull_events)
2033 prob_pull = number_of_being_in_pull_events
2035 (1.0 * binom (view_size, 0.45 * view_size));
2040 probs[i] = prob_push + prob_pull - (prob_push * prob_pull);
2041 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2042 "\t\t%" PRIu32 " has %" PRIu32 " of %" PRIu32
2043 " peers in its view who know %" PRIu32 " prob: %f\n",
2049 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2050 "\t\tnumber of possible pull combinations: %" PRIu32 "\n",
2051 binom (view_size, 0.45 * view_size));
2052 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2053 "\t\tnumber of possible pull combinations without %" PRIu32
2056 binom (view_size - cont_views, 0.45 * view_size));
2057 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2058 "\t\tnumber of possible pull combinations with %" PRIu32
2061 number_of_being_in_pull_events);
2063 if (0 != probs[i]) count_non_zero_prob++;
2066 if (0 != count_non_zero_prob)
2068 for (i = 0; i < num_peers; i++)
2070 probs[i] = probs[i] * (1.0 / count_non_zero_prob);
2073 for (i = 0; i < num_peers; i++)
2079 for (i = 0; i < num_peers; i++)
2081 probs_as_str_cpy = GNUNET_strndup (probs_as_str, probs_as_str_size);
2082 tmp = GNUNET_snprintf (probs_as_str,
2084 "%s %7.6f", probs_as_str_cpy, probs[i]);
2085 GNUNET_free (probs_as_str_cpy);
2086 GNUNET_assert (0 <= tmp);
2089 to_file_w_len (rps_peers[peer_idx].file_name_probs,
2092 GNUNET_free (probs_as_str);
2096 * @brief This counts the number of peers in which views a given peer occurs.
2098 * It also stores this value in the rps peer.
2100 * @param peer_idx the index of the peer to count the representation
2102 * @return the number of occurrences
2104 static uint32_t count_peer_in_views_2 (uint32_t peer_idx)
2109 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2111 for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2113 if (0 == memcmp (rps_peers[peer_idx].peer_id,
2114 &rps_peers[i].cur_view[j],
2115 sizeof (struct GNUNET_PeerIdentity)))
2122 rps_peers[peer_idx].count_in_views = count;
2126 static uint32_t cumulated_view_sizes ()
2131 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2133 view_sizes += rps_peers[i].cur_view_count;
2138 static void count_peer_in_views (uint32_t *count_peers)
2142 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2144 for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2146 if (0 == memcmp (rps_peers[i].peer_id,
2147 &rps_peers[i].cur_view[j],
2148 sizeof (struct GNUNET_PeerIdentity)))
2156 void compute_diversity ()
2159 /* ith entry represents the numer of occurrences in other peer's views */
2160 uint32_t *count_peers = GNUNET_new_array (num_peers, uint32_t);
2161 uint32_t views_total_size;
2163 /* deviation from expected number of peers */
2164 double *deviation = GNUNET_new_array (num_peers, double);
2166 views_total_size = 0;
2169 /* For each peer count its representation in other peer's views*/
2170 for (i = 0; i < num_peers; i++) /* Peer to count */
2172 views_total_size += rps_peers[i].cur_view_count;
2173 count_peer_in_views (count_peers);
2174 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2175 "Counted representation of %" PRIu32 "th peer [%s]: %" PRIu32"\n",
2177 GNUNET_i2s (rps_peers[i].peer_id),
2181 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2182 "size of all views combined: %" PRIu32 "\n",
2184 expected = ((double) 1/num_peers) * views_total_size;
2185 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2186 "Expected number of occurrences of each peer in all views: %f\n",
2188 for (i = 0; i < num_peers; i++) /* Peer to count */
2190 deviation[i] = expected - count_peers[i];
2191 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2192 "Deviation from expectation: %f\n", deviation[i]);
2194 GNUNET_free (count_peers);
2195 GNUNET_free (deviation);
2198 void print_view_sizes()
2202 for (i = 0; i < num_peers; i++) /* Peer to count */
2204 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2205 "View size of %" PRIu32 ". [%s] is %" PRIu32 "\n",
2207 GNUNET_i2s (rps_peers[i].peer_id),
2208 rps_peers[i].cur_view_count);
2212 void all_views_updated_cb()
2214 compute_diversity();
2218 void view_update_cb (void *cls,
2220 const struct GNUNET_PeerIdentity *peers)
2222 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2223 "View was updated (%" PRIu64 ")\n", view_size);
2224 struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
2225 to_file ("/tmp/rps/view_sizes.txt",
2226 "%" PRIu64 " %" PRIu32 "",
2229 for (int i = 0; i < view_size; i++)
2231 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2232 "\t%s\n", GNUNET_i2s (&peers[i]));
2234 GNUNET_array_grow (rps_peer->cur_view,
2235 rps_peer->cur_view_count,
2237 //*rps_peer->cur_view = *peers;
2238 GNUNET_memcpy (rps_peer->cur_view,
2240 view_size * sizeof (struct GNUNET_PeerIdentity));
2241 to_file ("/tmp/rps/count_in_views.txt",
2242 "%" PRIu64 " %" PRIu32 "",
2244 count_peer_in_views_2 (rps_peer->index));
2245 cumulated_view_sizes();
2248 to_file ("/tmp/rps/repr.txt",
2249 "%" PRIu64 /* index */
2250 " %" PRIu32 /* occurrence in views */
2251 " %" PRIu32 /* view sizes */
2252 " %f" /* fraction of repr in views */
2253 " %f" /* average view size */
2254 " %f" /* prob of occurrence in view slot */
2255 " %f" "", /* exp frac of repr in views */
2257 count_peer_in_views_2 (rps_peer->index),
2259 count_peer_in_views_2 (rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */
2260 view_sizes / (view_size * 1.0), /* average view size */
2261 1.0 /view_size, /* prob of occurrence in view slot */
2262 (1.0/view_size) * (view_sizes/view_size) /* expected fraction of repr in views */
2265 compute_probabilities (rps_peer->index);
2266 all_views_updated_cb();
2270 pre_profiler (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
2272 rps_peer->file_name_probs =
2273 store_prefix_file_name (rps_peer->peer_id, "probs");
2274 GNUNET_RPS_view_request (h, 0, view_update_cb, rps_peer);
2277 void write_final_stats (void){
2280 for (i = 0; i < num_peers; i++)
2282 to_file ("/tmp/rps/final_stats.dat",
2283 "%" PRIu32 " " /* index */
2285 PRIu64 " %" /* rounds */
2286 PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" /* blocking */
2287 PRIu64 " %" PRIu64 " %" PRIu64 " %" /* issued */
2288 PRIu64 " %" PRIu64 " %" PRIu64 " %" /* sent */
2289 PRIu64 " %" PRIu64 " %" PRIu64 /* recv */,
2291 GNUNET_i2s (rps_peers[i].peer_id),
2292 rps_peers[i].num_rounds,
2293 rps_peers[i].num_blocks,
2294 rps_peers[i].num_blocks_many_push,
2295 rps_peers[i].num_blocks_no_push,
2296 rps_peers[i].num_blocks_no_pull,
2297 rps_peers[i].num_blocks_many_push_no_pull,
2298 rps_peers[i].num_blocks_no_push_no_pull,
2299 rps_peers[i].num_issued_push,
2300 rps_peers[i].num_issued_pull_req,
2301 rps_peers[i].num_issued_pull_rep,
2302 rps_peers[i].num_sent_push,
2303 rps_peers[i].num_sent_pull_req,
2304 rps_peers[i].num_sent_pull_rep,
2305 rps_peers[i].num_recv_push,
2306 rps_peers[i].num_recv_pull_req,
2307 rps_peers[i].num_recv_pull_rep);
2312 * Continuation called by #GNUNET_STATISTICS_get() functions.
2314 * Remembers that this specific statistics value was received for this peer.
2315 * Checks whether all peers received their statistics yet.
2316 * Issues the shutdown.
2318 * @param cls closure
2319 * @param success #GNUNET_OK if statistics were
2320 * successfully obtained, #GNUNET_SYSERR if not.
2323 post_test_shutdown_ready_cb (void *cls,
2326 struct STATcls *stat_cls = (struct STATcls *) cls;
2327 struct RPSPeer *rps_peer = stat_cls->rps_peer;
2328 if (GNUNET_OK == success)
2330 /* set flag that we we got the value */
2331 rps_peer->stat_collected_flags |= stat_cls->stat_type;
2333 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2334 "Peer %u did not receive statistics value\n",
2336 GNUNET_free (stat_cls);
2340 if (NULL != rps_peer->stat_op &&
2341 GNUNET_YES == check_statistics_collect_completed_single_peer (rps_peer))
2343 GNUNET_TESTBED_operation_done (rps_peer->stat_op);
2346 write_final_stats ();
2347 if (GNUNET_YES == check_statistics_collect_completed())
2349 //write_final_stats ();
2350 GNUNET_free (stat_cls);
2351 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2353 GNUNET_SCHEDULER_shutdown ();
2355 GNUNET_free (stat_cls);
2360 * @brief Converts string representation to the corresponding #STAT_TYPE enum.
2362 * @param stat_str string representation of statistics specifier
2364 * @return corresponding enum
2366 enum STAT_TYPE stat_str_2_type (const char *stat_str)
2368 if (0 == strncmp ("# rounds blocked - no pull replies", stat_str, strlen ("# rounds blocked - no pull replies")))
2370 return STAT_TYPE_BLOCKS_NO_PULL;
2372 else if (0 == strncmp ("# rounds blocked - too many pushes, no pull replies", stat_str, strlen ("# rounds blocked - too many pushes, no pull replies")))
2374 return STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL;
2376 else if (0 == strncmp ("# rounds blocked - too many pushes", stat_str, strlen ("# rounds blocked - too many pushes")))
2378 return STAT_TYPE_BLOCKS_MANY_PUSH;
2380 else if (0 == strncmp ("# rounds blocked - no pushes, no pull replies", stat_str, strlen ("# rounds blocked - no pushes, no pull replies")))
2382 return STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL;
2384 else if (0 == strncmp ("# rounds blocked - no pushes", stat_str, strlen ("# rounds blocked - no pushes")))
2386 return STAT_TYPE_BLOCKS_NO_PUSH;
2388 else if (0 == strncmp ("# rounds blocked", stat_str, strlen ("# rounds blocked")))
2390 return STAT_TYPE_BLOCKS;
2392 else if (0 == strncmp ("# rounds", stat_str, strlen ("# rounds")))
2394 return STAT_TYPE_ROUNDS;
2396 else if (0 == strncmp ("# push send issued", stat_str, strlen ("# push send issued")))
2398 return STAT_TYPE_ISSUED_PUSH_SEND;
2400 else if (0 == strncmp ("# pull request send issued", stat_str, strlen ("# pull request send issued")))
2402 return STAT_TYPE_ISSUED_PULL_REQ;
2404 else if (0 == strncmp ("# pull reply send issued", stat_str, strlen ("# pull reply send issued")))
2406 return STAT_TYPE_ISSUED_PULL_REP;
2408 else if (0 == strncmp ("# pushes sent", stat_str, strlen ("# pushes sent")))
2410 return STAT_TYPE_SENT_PUSH_SEND;
2412 else if (0 == strncmp ("# pull requests sent", stat_str, strlen ("# pull requests sent")))
2414 return STAT_TYPE_SENT_PULL_REQ;
2416 else if (0 == strncmp ("# pull replys sent", stat_str, strlen ("# pull replys sent")))
2418 return STAT_TYPE_SENT_PULL_REP;
2420 else if (0 == strncmp ("# push message received", stat_str, strlen ("# push message received")))
2422 return STAT_TYPE_RECV_PUSH_SEND;
2424 else if (0 == strncmp ("# pull request message received", stat_str, strlen ("# pull request message received")))
2426 return STAT_TYPE_RECV_PULL_REQ;
2428 else if (0 == strncmp ("# pull reply messages received", stat_str, strlen ("# pull reply messages received")))
2430 return STAT_TYPE_RECV_PULL_REP;
2432 return STAT_TYPE_MAX;
2437 * @brief Converts #STAT_TYPE enum to the equivalent string representation that
2438 * is stored with the statistics service.
2440 * @param stat_type #STAT_TYPE enum
2442 * @return string representation that matches statistics value
2444 char* stat_type_2_str (enum STAT_TYPE stat_type)
2448 case STAT_TYPE_ROUNDS:
2450 case STAT_TYPE_BLOCKS:
2451 return "# rounds blocked";
2452 case STAT_TYPE_BLOCKS_MANY_PUSH:
2453 return "# rounds blocked - too many pushes";
2454 case STAT_TYPE_BLOCKS_NO_PUSH:
2455 return "# rounds blocked - no pushes";
2456 case STAT_TYPE_BLOCKS_NO_PULL:
2457 return "# rounds blocked - no pull replies";
2458 case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
2459 return "# rounds blocked - too many pushes, no pull replies";
2460 case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
2461 return "# rounds blocked - no pushes, no pull replies";
2462 case STAT_TYPE_ISSUED_PUSH_SEND:
2463 return "# push send issued";
2464 case STAT_TYPE_ISSUED_PULL_REQ:
2465 return "# pull request send issued";
2466 case STAT_TYPE_ISSUED_PULL_REP:
2467 return "# pull reply send issued";
2468 case STAT_TYPE_SENT_PUSH_SEND:
2469 return "# pushes sent";
2470 case STAT_TYPE_SENT_PULL_REQ:
2471 return "# pull requests sent";
2472 case STAT_TYPE_SENT_PULL_REP:
2473 return "# pull replys sent";
2474 case STAT_TYPE_RECV_PUSH_SEND:
2475 return "# push message received";
2476 case STAT_TYPE_RECV_PULL_REQ:
2477 return "# pull request message received";
2478 case STAT_TYPE_RECV_PULL_REP:
2479 return "# pull reply messages received";
2488 * Callback function to process statistic values.
2490 * @param cls closure
2491 * @param subsystem name of subsystem that created the statistic
2492 * @param name the name of the datum
2493 * @param value the current value
2494 * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
2495 * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
2498 stat_iterator (void *cls,
2499 const char *subsystem,
2504 const struct STATcls *stat_cls = (const struct STATcls *) cls;
2505 struct RPSPeer *rps_peer = (struct RPSPeer *) stat_cls->rps_peer;
2506 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got stat value: %s - %" PRIu64 "\n",
2507 //stat_type_2_str (stat_cls->stat_type),
2510 to_file (rps_peer->file_name_stats,
2511 "%s: %" PRIu64 "\n",
2514 switch (stat_str_2_type (name))
2516 case STAT_TYPE_ROUNDS:
2517 rps_peer->num_rounds = value;
2519 case STAT_TYPE_BLOCKS:
2520 rps_peer->num_blocks = value;
2522 case STAT_TYPE_BLOCKS_MANY_PUSH:
2523 rps_peer->num_blocks_many_push = value;
2525 case STAT_TYPE_BLOCKS_NO_PUSH:
2526 rps_peer->num_blocks_no_push = value;
2528 case STAT_TYPE_BLOCKS_NO_PULL:
2529 rps_peer->num_blocks_no_pull = value;
2531 case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
2532 rps_peer->num_blocks_many_push_no_pull = value;
2534 case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
2535 rps_peer->num_blocks_no_push_no_pull = value;
2537 case STAT_TYPE_ISSUED_PUSH_SEND:
2538 rps_peer->num_issued_push = value;
2540 case STAT_TYPE_ISSUED_PULL_REQ:
2541 rps_peer->num_issued_pull_req = value;
2543 case STAT_TYPE_ISSUED_PULL_REP:
2544 rps_peer->num_issued_pull_rep = value;
2546 case STAT_TYPE_SENT_PUSH_SEND:
2547 rps_peer->num_sent_push = value;
2549 case STAT_TYPE_SENT_PULL_REQ:
2550 rps_peer->num_sent_pull_req = value;
2552 case STAT_TYPE_SENT_PULL_REP:
2553 rps_peer->num_sent_pull_rep = value;
2555 case STAT_TYPE_RECV_PUSH_SEND:
2556 rps_peer->num_recv_push = value;
2558 case STAT_TYPE_RECV_PULL_REQ:
2559 rps_peer->num_recv_pull_req = value;
2561 case STAT_TYPE_RECV_PULL_REP:
2562 rps_peer->num_recv_pull_rep = value;
2566 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2567 "Unknown statistics string: %s\n",
2574 void post_profiler (struct RPSPeer *rps_peer)
2576 if (COLLECT_STATISTICS != cur_test_run.have_collect_statistics)
2581 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2582 "Going to request statistic values with mask 0x%" PRIx32 "\n",
2583 cur_test_run.stat_collect_flags);
2585 struct STATcls *stat_cls;
2587 for (stat_type = STAT_TYPE_ROUNDS;
2588 stat_type < STAT_TYPE_MAX;
2589 stat_type = stat_type <<1)
2591 if (stat_type & cur_test_run.stat_collect_flags)
2593 stat_cls = GNUNET_malloc (sizeof (struct STATcls));
2594 stat_cls->rps_peer = rps_peer;
2595 stat_cls->stat_type = stat_type;
2596 rps_peer->file_name_stats =
2597 store_prefix_file_name (rps_peer->peer_id, "stats");
2598 GNUNET_STATISTICS_get (rps_peer->stats_h,
2600 stat_type_2_str (stat_type),
2601 post_test_shutdown_ready_cb,
2603 (struct STATcls *) stat_cls);
2604 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2605 "Requested statistics for %s (peer %" PRIu32 ")\n",
2606 stat_type_2_str (stat_type),
2613 /***********************************************************************
2614 * /Definition of tests
2615 ***********************************************************************/
2619 * Actual "main" function for the testcase.
2621 * @param cls closure
2622 * @param h the run handle
2623 * @param n_peers number of peers in 'peers'
2624 * @param peers handle to peers run in the testbed
2625 * @param links_succeeded the number of overlay link connection attempts that
2627 * @param links_failed the number of overlay link connection attempts that
2632 struct GNUNET_TESTBED_RunHandle *h,
2633 unsigned int n_peers,
2634 struct GNUNET_TESTBED_Peer **peers,
2635 unsigned int links_succeeded,
2636 unsigned int links_failed)
2639 struct OpListEntry *entry;
2641 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "RUN was called\n");
2643 /* Check whether we timed out */
2644 if (n_peers != num_peers ||
2646 0 == links_succeeded)
2648 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Going down due to args (eg. timeout)\n");
2649 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tn_peers: %u\n", n_peers);
2650 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tnum_peers: %" PRIu32 "\n", num_peers);
2651 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tpeers: %p\n", peers);
2652 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tlinks_succeeded: %u\n", links_succeeded);
2653 GNUNET_SCHEDULER_shutdown ();
2658 /* Initialize peers */
2659 testbed_peers = peers;
2660 num_peers_online = 0;
2661 for (i = 0; i < num_peers; i++)
2663 entry = make_oplist_entry ();
2665 rps_peers[i].index = i;
2666 if (NULL != cur_test_run.init_peer)
2667 cur_test_run.init_peer (&rps_peers[i]);
2668 if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
2670 rps_peers->cur_view_count = 0;
2671 rps_peers->cur_view = NULL;
2673 entry->op = GNUNET_TESTBED_peer_get_information (peers[i],
2674 GNUNET_TESTBED_PIT_IDENTITY,
2679 /* Bring peers up */
2680 GNUNET_assert (num_peers == n_peers);
2681 for (i = 0; i < n_peers; i++)
2683 rps_peers[i].index = i;
2685 GNUNET_TESTBED_service_connect (&rps_peers[i],
2688 &rps_connect_complete_cb,
2690 &rps_connect_adapter,
2691 &rps_disconnect_adapter,
2693 /* Connect all peers to statistics service */
2694 if (COLLECT_STATISTICS == cur_test_run.have_collect_statistics)
2696 rps_peers[i].stat_op =
2697 GNUNET_TESTBED_service_connect (NULL,
2702 &stat_connect_adapter,
2703 &stat_disconnect_adapter,
2708 if (NULL != churn_task)
2709 GNUNET_SCHEDULER_cancel (churn_task);
2710 post_test_task = GNUNET_SCHEDULER_add_delayed (timeout, &post_test_op, NULL);
2711 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
2712 (timeout_s * 1.2) + 0.1 * num_peers);
2713 shutdown_task = GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL);
2714 shutdown_task = GNUNET_SCHEDULER_add_shutdown (shutdown_op, NULL);
2720 * Entry point for the testcase, sets up the testbed.
2722 * @param argc unused
2723 * @param argv unused
2724 * @return 0 on success
2727 main (int argc, char *argv[])
2731 /* Defaults for tests */
2733 cur_test_run.name = "test-rps-default";
2734 cur_test_run.init_peer = default_init_peer;
2735 cur_test_run.pre_test = NULL;
2736 cur_test_run.reply_handle = default_reply_handle;
2737 cur_test_run.eval_cb = default_eval_cb;
2738 cur_test_run.post_test = NULL;
2739 cur_test_run.have_churn = HAVE_CHURN;
2740 cur_test_run.have_collect_statistics = NO_COLLECT_STATISTICS;
2741 cur_test_run.stat_collect_flags = 0;
2742 cur_test_run.have_collect_view = NO_COLLECT_VIEW;
2746 if (strstr (argv[0], "malicious") != NULL)
2748 cur_test_run.pre_test = mal_pre;
2749 cur_test_run.main_test = mal_cb;
2750 cur_test_run.init_peer = mal_init_peer;
2752 if (strstr (argv[0], "_1") != NULL)
2754 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 1\n");
2755 cur_test_run.name = "test-rps-malicious_1";
2758 else if (strstr (argv[0], "_2") != NULL)
2760 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 2\n");
2761 cur_test_run.name = "test-rps-malicious_2";
2764 else if (strstr (argv[0], "_3") != NULL)
2766 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 3\n");
2767 cur_test_run.name = "test-rps-malicious_3";
2772 else if (strstr (argv[0], "_single_req") != NULL)
2774 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Test single request\n");
2775 cur_test_run.name = "test-rps-single-req";
2776 cur_test_run.main_test = single_req_cb;
2777 cur_test_run.have_churn = HAVE_NO_CHURN;
2780 else if (strstr (argv[0], "_delayed_reqs") != NULL)
2782 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test delayed requests\n");
2783 cur_test_run.name = "test-rps-delayed-reqs";
2784 cur_test_run.main_test = delay_req_cb;
2785 cur_test_run.have_churn = HAVE_NO_CHURN;
2788 else if (strstr (argv[0], "_seed_big") != NULL)
2790 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding (num_peers > GNUNET_MAX_MESSAGE_SIZE)\n");
2792 cur_test_run.name = "test-rps-seed-big";
2793 cur_test_run.main_test = seed_big_cb;
2794 cur_test_run.eval_cb = no_eval;
2795 cur_test_run.have_churn = HAVE_NO_CHURN;
2799 else if (strstr (argv[0], "_single_peer_seed") != NULL)
2801 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on a single peer\n");
2802 cur_test_run.name = "test-rps-single-peer-seed";
2803 cur_test_run.main_test = single_peer_seed_cb;
2804 cur_test_run.have_churn = HAVE_NO_CHURN;
2807 else if (strstr (argv[0], "_seed_request") != NULL)
2809 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on multiple peers\n");
2810 cur_test_run.name = "test-rps-seed-request";
2811 cur_test_run.main_test = seed_req_cb;
2812 cur_test_run.have_churn = HAVE_NO_CHURN;
2815 else if (strstr (argv[0], "_seed") != NULL)
2817 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding\n");
2818 cur_test_run.name = "test-rps-seed";
2819 cur_test_run.main_test = seed_cb;
2820 cur_test_run.eval_cb = no_eval;
2821 cur_test_run.have_churn = HAVE_NO_CHURN;
2824 else if (strstr (argv[0], "_req_cancel") != NULL)
2826 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test cancelling a request\n");
2827 cur_test_run.name = "test-rps-req-cancel";
2829 cur_test_run.main_test = req_cancel_cb;
2830 cur_test_run.eval_cb = no_eval;
2831 cur_test_run.have_churn = HAVE_NO_CHURN;
2835 else if (strstr (argv[0], "_churn") != NULL)
2837 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test churn\n");
2838 cur_test_run.name = "test-rps-churn";
2840 cur_test_run.init_peer = default_init_peer;
2841 cur_test_run.main_test = churn_test_cb;
2842 cur_test_run.reply_handle = default_reply_handle;
2843 cur_test_run.eval_cb = default_eval_cb;
2844 cur_test_run.have_churn = HAVE_NO_CHURN;
2845 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
2849 else if (strstr (argv[0], "profiler") != NULL)
2851 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n");
2852 cur_test_run.name = "test-rps-profiler";
2855 cur_test_run.init_peer = profiler_init_peer;
2856 //cur_test_run.pre_test = mal_pre;
2857 cur_test_run.pre_test = pre_profiler;
2858 cur_test_run.main_test = profiler_cb;
2859 cur_test_run.reply_handle = profiler_reply_handle;
2860 cur_test_run.eval_cb = profiler_eval;
2861 cur_test_run.post_test = post_profiler;
2862 cur_test_run.request_interval = 2;
2863 cur_test_run.num_requests = 5;
2864 //cur_test_run.have_churn = HAVE_CHURN;
2865 cur_test_run.have_churn = HAVE_NO_CHURN;
2866 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
2867 cur_test_run.have_collect_statistics = COLLECT_STATISTICS;
2868 cur_test_run.stat_collect_flags = STAT_TYPE_ROUNDS |
2870 STAT_TYPE_BLOCKS_MANY_PUSH |
2871 STAT_TYPE_BLOCKS_NO_PUSH |
2872 STAT_TYPE_BLOCKS_NO_PULL |
2873 STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL |
2874 STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL |
2875 STAT_TYPE_ISSUED_PUSH_SEND |
2876 STAT_TYPE_ISSUED_PULL_REQ |
2877 STAT_TYPE_ISSUED_PULL_REP |
2878 STAT_TYPE_SENT_PUSH_SEND |
2879 STAT_TYPE_SENT_PULL_REQ |
2880 STAT_TYPE_SENT_PULL_REP |
2881 STAT_TYPE_RECV_PUSH_SEND |
2882 STAT_TYPE_RECV_PULL_REQ |
2883 STAT_TYPE_RECV_PULL_REP;
2884 cur_test_run.have_collect_view = COLLECT_VIEW;
2887 /* 'Clean' directory */
2888 (void) GNUNET_DISK_directory_remove ("/tmp/rps/");
2889 GNUNET_DISK_directory_create ("/tmp/rps/");
2891 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_s);
2893 rps_peers = GNUNET_new_array (num_peers, struct RPSPeer);
2894 peer_map = GNUNET_CONTAINER_multipeermap_create (num_peers, GNUNET_NO);
2895 rps_peer_ids = GNUNET_new_array (num_peers, struct GNUNET_PeerIdentity);
2896 if ( (2 == mal_type) ||
2898 target_peer = &rps_peer_ids[num_peers - 2];
2899 if (profiler_eval == cur_test_run.eval_cb)
2900 eval_peer = &rps_peers[num_peers - 1]; /* FIXME: eval_peer could be a
2901 malicious peer if not careful
2902 with the malicious portion */
2905 ret_value = GNUNET_TESTBED_test_run (cur_test_run.name,
2910 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2911 "_test_run returned.\n");
2912 if (GNUNET_OK != ret_value)
2914 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2915 "Test did not run successfully!\n");
2918 ret_value = cur_test_run.eval_cb();
2920 if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
2922 GNUNET_array_grow (rps_peers->cur_view,
2923 rps_peers->cur_view_count,
2926 GNUNET_free (rps_peers);
2927 GNUNET_free (rps_peer_ids);
2928 GNUNET_CONTAINER_multipeermap_destroy (peer_map);
2932 /* end of test_rps.c */