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3 Copyright (C) 2009, 2012 GNUnet e.V.
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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 // TODO if malicious don't seed mal peers
845 amount = round (.5 * num_peers);
847 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding peers:\n");
848 for (i = 0 ; i < amount ; i++)
849 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
851 GNUNET_i2s (&rps_peer_ids[i]));
853 GNUNET_RPS_seed_ids (peer->rps_handle, amount, rps_peer_ids);
861 seed_peers_big (void *cls)
863 struct RPSPeer *peer = cls;
864 unsigned int seed_msg_size;
865 uint32_t num_peers_max;
869 seed_msg_size = 8; /* sizeof (struct GNUNET_RPS_CS_SeedMessage) */
870 num_peers_max = (GNUNET_MAX_MESSAGE_SIZE - seed_msg_size) /
871 sizeof (struct GNUNET_PeerIdentity);
872 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
873 "Peers that fit in one seed msg; %u\n",
875 amount = num_peers_max + (0.5 * num_peers_max);
876 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
877 "Seeding many (%u) peers:\n",
879 struct GNUNET_PeerIdentity ids_to_seed[amount];
880 for (i = 0; i < amount; i++)
882 ids_to_seed[i] = *peer->peer_id;
883 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
885 GNUNET_i2s (&ids_to_seed[i]));
888 GNUNET_RPS_seed_ids (peer->rps_handle, amount, ids_to_seed);
892 * Get the id of peer i.
895 info_cb (void *cb_cls,
896 struct GNUNET_TESTBED_Operation *op,
897 const struct GNUNET_TESTBED_PeerInformation *pinfo,
900 struct OpListEntry *entry = (struct OpListEntry *) cb_cls;
902 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
907 if (NULL == pinfo || NULL != emsg)
909 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Got Error: %s\n", emsg);
910 GNUNET_TESTBED_operation_done (entry->op);
914 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
917 GNUNET_i2s (pinfo->result.id));
919 rps_peer_ids[entry->index] = *(pinfo->result.id);
920 rps_peers[entry->index].peer_id = &rps_peer_ids[entry->index];
922 GNUNET_assert (GNUNET_OK ==
923 GNUNET_CONTAINER_multipeermap_put (peer_map,
924 &rps_peer_ids[entry->index],
925 &rps_peers[entry->index],
926 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
927 tofile ("/tmp/rps/peer_ids",
930 GNUNET_i2s_full (&rps_peer_ids[entry->index]));
932 GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
933 GNUNET_TESTBED_operation_done (entry->op);
939 * Callback to be called when RPS service connect operation is completed
941 * @param cls the callback closure from functions generating an operation
942 * @param op the operation that has been finished
943 * @param ca_result the RPS service handle returned from rps_connect_adapter
944 * @param emsg error message in case the operation has failed; will be NULL if
945 * operation has executed successfully.
948 rps_connect_complete_cb (void *cls,
949 struct GNUNET_TESTBED_Operation *op,
953 struct RPSPeer *rps_peer = cls;
954 struct GNUNET_RPS_Handle *rps = ca_result;
956 GNUNET_assert (NULL != ca_result);
958 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
963 rps_peer->rps_handle = rps;
964 rps_peer->online = GNUNET_YES;
967 GNUNET_assert (op == rps_peer->op);
970 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
971 "Failed to connect to RPS service: %s\n",
974 GNUNET_SCHEDULER_shutdown ();
978 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started client successfully\n");
980 cur_test_run.main_test (rps_peer);
985 * Adapter function called to establish a connection to
989 * @param cfg configuration of the peer to connect to; will be available until
990 * GNUNET_TESTBED_operation_done() is called on the operation returned
991 * from GNUNET_TESTBED_service_connect()
992 * @return service handle to return in 'op_result', NULL on error
995 rps_connect_adapter (void *cls,
996 const struct GNUNET_CONFIGURATION_Handle *cfg)
998 struct GNUNET_RPS_Handle *h;
1000 h = GNUNET_RPS_connect (cfg);
1002 if (NULL != cur_test_run.pre_test)
1003 cur_test_run.pre_test (cls, h);
1009 * Called to open a connection to the peer's statistics
1011 * @param cls peer context
1012 * @param cfg configuration of the peer to connect to; will be available until
1013 * GNUNET_TESTBED_operation_done() is called on the operation returned
1014 * from GNUNET_TESTBED_service_connect()
1015 * @return service handle to return in 'op_result', NULL on error
1018 stat_connect_adapter (void *cls,
1019 const struct GNUNET_CONFIGURATION_Handle *cfg)
1021 struct RPSPeer *peer = cls;
1023 peer->stats_h = GNUNET_STATISTICS_create ("rps-profiler", cfg);
1024 return peer->stats_h;
1028 * Called to disconnect from peer's statistics service
1030 * @param cls peer context
1031 * @param op_result service handle returned from the connect adapter
1034 stat_disconnect_adapter (void *cls, void *op_result)
1036 struct RPSPeer *peer = cls;
1038 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1039 // (peer->stats_h, "core", "# peers connected",
1040 // stat_iterator, peer));
1041 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1042 // (peer->stats_h, "nse", "# peers connected",
1043 // stat_iterator, peer));
1044 GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
1045 peer->stats_h = NULL;
1049 * Called after successfully opening a connection to a peer's statistics
1050 * service; we register statistics monitoring for CORE and NSE here.
1052 * @param cls the callback closure from functions generating an operation
1053 * @param op the operation that has been finished
1054 * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
1055 * @param emsg error message in case the operation has failed; will be NULL if
1056 * operation has executed successfully.
1059 stat_complete_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1060 void *ca_result, const char *emsg )
1062 //struct GNUNET_STATISTICS_Handle *sh = ca_result;
1063 //struct RPSPeer *peer = (struct RPSPeer *) cls;
1070 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1071 // (sh, "core", "# peers connected",
1072 // stat_iterator, peer));
1073 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1074 // (sh, "nse", "# peers connected",
1075 // stat_iterator, peer));
1080 * Adapter function called to destroy connection to
1083 * @param cls closure
1084 * @param op_result service handle returned from the connect adapter
1087 rps_disconnect_adapter (void *cls,
1090 struct RPSPeer *peer = cls;
1091 struct GNUNET_RPS_Handle *h = op_result;
1092 GNUNET_assert (NULL != peer);
1093 GNUNET_RPS_disconnect (h);
1094 peer->rps_handle = NULL;
1098 /***********************************************************************
1099 * Definition of tests
1100 ***********************************************************************/
1102 // TODO check whether tests can be stopped earlier
1104 default_eval_cb (void)
1116 * Initialise given RPSPeer
1118 static void default_init_peer (struct RPSPeer *rps_peer)
1120 rps_peer->num_ids_to_request = 1;
1124 * Callback to call on receipt of a reply
1126 * @param cls closure
1127 * @param n number of peers
1128 * @param recv_peers the received peers
1131 default_reply_handle (void *cls,
1133 const struct GNUNET_PeerIdentity *recv_peers)
1135 struct RPSPeer *rps_peer;
1136 struct PendingReply *pending_rep = (struct PendingReply *) cls;
1139 rps_peer = pending_rep->rps_peer;
1140 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
1141 rps_peer->pending_rep_tail,
1143 rps_peer->num_pending_reps--;
1144 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1145 "[%s] got %" PRIu64 " peers:\n",
1146 GNUNET_i2s (rps_peer->peer_id),
1149 for (i = 0; i < n; i++)
1151 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1154 GNUNET_i2s (&recv_peers[i]));
1156 rps_peer->num_recv_ids++;
1159 if (0 == evaluate () && HAVE_QUICK_QUIT == cur_test_run.have_quick_quit)
1161 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test succeeded before timeout\n");
1162 GNUNET_assert (NULL != post_test_task);
1163 GNUNET_SCHEDULER_cancel (post_test_task);
1164 post_test_task = GNUNET_SCHEDULER_add_now (&post_test_op, NULL);
1165 GNUNET_assert (NULL!= post_test_task);
1170 * Request random peers.
1173 request_peers (void *cls)
1175 struct PendingRequest *pending_req = cls;
1176 struct RPSPeer *rps_peer;
1177 struct PendingReply *pending_rep;
1179 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1181 rps_peer = pending_req->rps_peer;
1182 GNUNET_assert (1 <= rps_peer->num_pending_reqs);
1183 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
1184 rps_peer->pending_req_tail,
1186 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1187 "Requesting one peer\n");
1188 pending_rep = GNUNET_new (struct PendingReply);
1189 pending_rep->rps_peer = rps_peer;
1190 pending_rep->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle,
1192 cur_test_run.reply_handle,
1194 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_rep_head,
1195 rps_peer->pending_rep_tail,
1197 rps_peer->num_pending_reps++;
1198 rps_peer->num_pending_reqs--;
1202 cancel_pending_req (struct PendingRequest *pending_req)
1204 struct RPSPeer *rps_peer;
1206 rps_peer = pending_req->rps_peer;
1207 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
1208 rps_peer->pending_req_tail,
1210 rps_peer->num_pending_reqs--;
1211 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1212 "Cancelling pending request\n");
1213 GNUNET_SCHEDULER_cancel (pending_req->request_task);
1214 GNUNET_free (pending_req);
1218 cancel_request (struct PendingReply *pending_rep)
1220 struct RPSPeer *rps_peer;
1222 rps_peer = pending_rep->rps_peer;
1223 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
1224 rps_peer->pending_rep_tail,
1226 rps_peer->num_pending_reps--;
1227 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1228 "Cancelling request\n");
1229 GNUNET_RPS_request_cancel (pending_rep->req_handle);
1230 GNUNET_free (pending_rep);
1237 cancel_request_cb (void *cls)
1239 struct RPSPeer *rps_peer = cls;
1240 struct PendingReply *pending_rep;
1242 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1244 pending_rep = rps_peer->pending_rep_head;
1245 GNUNET_assert (1 <= rps_peer->num_pending_reps);
1246 cancel_request (pending_rep);
1251 * Schedule requests for peer @a rps_peer that have neither been scheduled, nor
1252 * issued, nor replied
1255 schedule_missing_requests (struct RPSPeer *rps_peer)
1258 struct PendingRequest *pending_req;
1260 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1261 "Scheduling %u - %u missing requests\n",
1262 rps_peer->num_ids_to_request,
1263 rps_peer->num_pending_reqs + rps_peer->num_pending_reps);
1264 GNUNET_assert (rps_peer->num_pending_reqs + rps_peer->num_pending_reps <=
1265 rps_peer->num_ids_to_request);
1266 for (i = rps_peer->num_pending_reqs + rps_peer->num_pending_reps;
1267 i < rps_peer->num_ids_to_request; i++)
1269 pending_req = GNUNET_new (struct PendingRequest);
1270 pending_req->rps_peer = rps_peer;
1271 pending_req->request_task = GNUNET_SCHEDULER_add_delayed (
1272 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
1273 cur_test_run.request_interval * i),
1276 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_req_head,
1277 rps_peer->pending_req_tail,
1279 rps_peer->num_pending_reqs++;
1284 cancel_pending_req_rep (struct RPSPeer *rps_peer)
1286 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1287 "Cancelling all (pending) requests.\n");
1288 while (NULL != rps_peer->pending_req_head)
1289 cancel_pending_req (rps_peer->pending_req_head);
1290 GNUNET_assert (0 == rps_peer->num_pending_reqs);
1291 while (NULL != rps_peer->pending_rep_head)
1292 cancel_request (rps_peer->pending_rep_head);
1293 GNUNET_assert (0 == rps_peer->num_pending_reps);
1296 /***********************************
1298 ***********************************/
1301 * Initialise only non-mal RPSPeers
1303 static void mal_init_peer (struct RPSPeer *rps_peer)
1305 if (rps_peer->index >= round (portion * num_peers))
1306 rps_peer->num_ids_to_request = 1;
1311 * @brief Set peers to (non-)malicious before execution
1313 * Of signature #PreTest
1315 * @param rps_peer the peer to set (non-) malicious
1316 * @param h the handle to the service
1319 mal_pre (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
1321 #ifdef ENABLE_MALICIOUS
1322 uint32_t num_mal_peers;
1324 GNUNET_assert ( (1 >= portion) &&
1326 num_mal_peers = round (portion * num_peers);
1328 if (rps_peer->index < num_mal_peers)
1330 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1331 "%u. peer [%s] of %" PRIu32 " malicious peers turning malicious\n",
1333 GNUNET_i2s (rps_peer->peer_id),
1336 GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers,
1337 rps_peer_ids, target_peer);
1339 #endif /* ENABLE_MALICIOUS */
1343 mal_cb (struct RPSPeer *rps_peer)
1345 uint32_t num_mal_peers;
1347 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1352 #ifdef ENABLE_MALICIOUS
1353 GNUNET_assert ( (1 >= portion) &&
1355 num_mal_peers = round (portion * num_peers);
1357 if (rps_peer->index >= num_mal_peers)
1358 { /* It's useless to ask a malicious peer about a random sample -
1359 it's not sampling */
1360 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1361 seed_peers, rps_peer);
1362 schedule_missing_requests (rps_peer);
1364 #endif /* ENABLE_MALICIOUS */
1368 /***********************************
1370 ***********************************/
1372 single_req_cb (struct RPSPeer *rps_peer)
1374 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1379 schedule_missing_requests (rps_peer);
1382 /***********************************
1384 ***********************************/
1386 delay_req_cb (struct RPSPeer *rps_peer)
1388 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1393 schedule_missing_requests (rps_peer);
1396 /***********************************
1398 ***********************************/
1400 seed_cb (struct RPSPeer *rps_peer)
1402 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1407 GNUNET_SCHEDULER_add_delayed (
1408 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
1409 seed_peers, rps_peer);
1412 /***********************************
1414 ***********************************/
1416 seed_big_cb (struct RPSPeer *rps_peer)
1418 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1423 // TODO test seeding > GNUNET_MAX_MESSAGE_SIZE peers
1424 GNUNET_SCHEDULER_add_delayed (
1425 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1426 seed_peers_big, rps_peer);
1429 /***********************************
1431 ***********************************/
1433 single_peer_seed_cb (struct RPSPeer *rps_peer)
1438 /***********************************
1440 ***********************************/
1442 seed_req_cb (struct RPSPeer *rps_peer)
1444 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1449 GNUNET_SCHEDULER_add_delayed (
1450 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1451 seed_peers, rps_peer);
1452 schedule_missing_requests (rps_peer);
1455 //TODO start big mal
1457 /***********************************
1459 ***********************************/
1461 req_cancel_cb (struct RPSPeer *rps_peer)
1463 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1468 schedule_missing_requests (rps_peer);
1469 GNUNET_SCHEDULER_add_delayed (
1470 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
1471 (cur_test_run.request_interval + 1)),
1472 cancel_request_cb, rps_peer);
1475 /***********************************
1477 ***********************************/
1483 * @brief Starts churn
1485 * Has signature of #MainTest
1487 * This is not implemented too nicely as this is called for each peer, but we
1488 * only need to call it once. (Yes we check that we only schedule the task
1491 * @param rps_peer The peer it's called for
1494 churn_test_cb (struct RPSPeer *rps_peer)
1496 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1502 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1504 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1505 "Starting churn task\n");
1506 churn_task = GNUNET_SCHEDULER_add_delayed (
1507 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1511 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1512 "Not starting churn task\n");
1515 schedule_missing_requests (rps_peer);
1518 /***********************************
1520 ***********************************/
1523 * Callback to be called when RPS service is started or stopped at peers
1526 * @param op the operation handle
1527 * @param emsg NULL on success; otherwise an error description
1530 churn_cb (void *cls,
1531 struct GNUNET_TESTBED_Operation *op,
1535 struct OpListEntry *entry = cls;
1537 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1542 GNUNET_TESTBED_operation_done (entry->op);
1545 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n");
1546 GNUNET_SCHEDULER_shutdown ();
1549 GNUNET_assert (0 != entry->delta);
1551 num_peers_online += entry->delta;
1553 if (PEER_GO_OFFLINE == entry->delta)
1554 { /* Peer hopefully just went offline */
1555 if (GNUNET_YES != rps_peers[entry->index].online)
1557 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1558 "peer %s was expected to go offline but is still marked as online\n",
1559 GNUNET_i2s (rps_peers[entry->index].peer_id));
1564 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1565 "peer %s probably went offline as expected\n",
1566 GNUNET_i2s (rps_peers[entry->index].peer_id));
1568 rps_peers[entry->index].online = GNUNET_NO;
1571 else if (PEER_GO_ONLINE < entry->delta)
1572 { /* Peer hopefully just went online */
1573 if (GNUNET_NO != rps_peers[entry->index].online)
1575 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1576 "peer %s was expected to go online but is still marked as offline\n",
1577 GNUNET_i2s (rps_peers[entry->index].peer_id));
1582 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1583 "peer %s probably went online as expected\n",
1584 GNUNET_i2s (rps_peers[entry->index].peer_id));
1585 if (NULL != cur_test_run.pre_test)
1587 cur_test_run.pre_test (&rps_peers[entry->index],
1588 rps_peers[entry->index].rps_handle);
1589 schedule_missing_requests (&rps_peers[entry->index]);
1592 rps_peers[entry->index].online = GNUNET_YES;
1596 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1597 "Invalid value for delta: %i\n", entry->delta);
1601 GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
1602 rps_peers[entry->index].entry_op_manage = NULL;
1603 GNUNET_free (entry);
1604 //if (num_peers_in_round[current_round] == peers_running)
1609 * @brief Set the rps-service up or down for a specific peer
1611 * @param i index of action
1612 * @param j index of peer
1613 * @param delta (#PEER_ONLINE_DELTA) down (-1) or up (1)
1614 * @param prob_go_on_off the probability of the action
1617 manage_service_wrapper (unsigned int i, unsigned int j,
1618 enum PEER_ONLINE_DELTA delta,
1619 double prob_go_on_off)
1621 struct OpListEntry *entry = NULL;
1624 /* make sure that management operation is not already scheduled */
1625 if (NULL != rps_peers[j].entry_op_manage)
1630 prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
1632 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1633 "%u. selected peer (%u: %s) is %s.\n",
1636 GNUNET_i2s (rps_peers[j].peer_id),
1637 (PEER_GO_ONLINE == delta) ? "online" : "offline");
1638 if (prob < prob_go_on_off * UINT32_MAX)
1640 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1642 GNUNET_i2s (rps_peers[j].peer_id),
1643 (PEER_GO_OFFLINE == delta) ? "offline" : "online");
1645 if (PEER_GO_OFFLINE == delta)
1646 cancel_pending_req_rep (&rps_peers[j]);
1647 entry = make_oplist_entry ();
1648 entry->delta = delta;
1650 entry->op = GNUNET_TESTBED_peer_manage_service (NULL,
1655 (PEER_GO_OFFLINE == delta) ? 0 : 1);
1656 rps_peers[j].entry_op_manage = entry;
1666 double portion_online;
1667 unsigned int *permut;
1668 double prob_go_offline;
1669 double portion_go_online;
1670 double portion_go_offline;
1672 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1676 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1677 "Churn function executing\n");
1679 churn_task = NULL; /* Should be invalid by now */
1681 /* Compute the probability for an online peer to go offline
1683 portion_online = num_peers_online * 1.0 / num_peers;
1684 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1685 "Portion online: %f\n",
1687 portion_go_online = ((1 - portion_online) * .5 * .66);
1688 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1689 "Portion that should go online: %f\n",
1691 portion_go_offline = (portion_online + portion_go_online) - .75;
1692 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1693 "Portion that probably goes offline: %f\n",
1694 portion_go_offline);
1695 prob_go_offline = portion_go_offline / (portion_online * .5);
1696 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1697 "Probability of a selected online peer to go offline: %f\n",
1700 permut = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
1701 (unsigned int) num_peers);
1703 /* Go over 50% randomly chosen peers */
1704 for (i = 0; i < .5 * num_peers; i++)
1708 /* If online, shut down with certain probability */
1709 if (GNUNET_YES == rps_peers[j].online)
1711 manage_service_wrapper (i, j, -1, prob_go_offline);
1714 /* If offline, restart with certain probability */
1715 else if (GNUNET_NO == rps_peers[j].online)
1717 manage_service_wrapper (i, j, 1, 0.66);
1721 GNUNET_free (permut);
1723 churn_task = GNUNET_SCHEDULER_add_delayed (
1724 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1731 * Initialise given RPSPeer
1733 static void profiler_init_peer (struct RPSPeer *rps_peer)
1735 if (num_peers - 1 == rps_peer->index)
1736 rps_peer->num_ids_to_request = cur_test_run.num_requests;
1741 * Callback to call on receipt of a reply
1743 * @param cls closure
1744 * @param n number of peers
1745 * @param recv_peers the received peers
1748 profiler_reply_handle (void *cls,
1750 const struct GNUNET_PeerIdentity *recv_peers)
1752 struct RPSPeer *rps_peer;
1753 struct RPSPeer *rcv_rps_peer;
1757 struct PendingReply *pending_rep = (struct PendingReply *) cls;
1759 rps_peer = pending_rep->rps_peer;
1760 file_name = "/tmp/rps/received_ids";
1761 file_name_dh = "/tmp/rps/diehard_input";
1762 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1763 "[%s] got %" PRIu64 " peers:\n",
1764 GNUNET_i2s (rps_peer->peer_id),
1766 for (i = 0; i < n; i++)
1768 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1771 GNUNET_i2s (&recv_peers[i]));
1774 GNUNET_i2s_full (&recv_peers[i]));
1775 rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get (peer_map, &recv_peers[i]);
1776 GNUNET_assert (NULL != rcv_rps_peer);
1777 tofile (file_name_dh,
1779 (uint32_t) rcv_rps_peer->index);
1781 default_reply_handle (cls, n, recv_peers);
1786 profiler_cb (struct RPSPeer *rps_peer)
1788 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1794 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1796 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1797 "Starting churn task\n");
1798 churn_task = GNUNET_SCHEDULER_add_delayed (
1799 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1803 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1804 "Not starting churn task\n");
1807 /* Only request peer ids at one peer.
1808 * (It's the before-last because last one is target of the focussed attack.)
1810 if (eval_peer == rps_peer)
1811 schedule_missing_requests (rps_peer);
1815 * Function called from #profiler_eval with a filename.
1817 * @param cls closure
1818 * @param filename complete filename (absolute path)
1819 * @return #GNUNET_OK to continue to iterate,
1820 * #GNUNET_NO to stop iteration with no error,
1821 * #GNUNET_SYSERR to abort iteration with error!
1824 file_name_cb (void *cls, const char *filename)
1826 if (NULL != strstr (filename, "sampler_el"))
1828 struct RPS_SamplerElement *s_elem;
1829 struct GNUNET_CRYPTO_AuthKey auth_key;
1830 const char *key_char;
1833 key_char = filename + 20; /* Length of "/tmp/rps/sampler_el-" */
1834 tofile (filename, "--------------------------\n");
1836 auth_key = string_to_auth_key (key_char);
1837 s_elem = RPS_sampler_elem_create ();
1838 RPS_sampler_elem_set (s_elem, auth_key);
1840 for (i = 0; i < num_peers; i++)
1842 RPS_sampler_elem_next (s_elem, &rps_peer_ids[i]);
1844 RPS_sampler_elem_destroy (s_elem);
1850 * This is run after the test finished.
1852 * Compute all perfect samples.
1855 profiler_eval (void)
1857 /* Compute perfect sample for each sampler element */
1858 if (-1 == GNUNET_DISK_directory_scan ("/tmp/rps/", file_name_cb, NULL))
1860 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n");
1866 static uint32_t fac (uint32_t x)
1872 return x * fac (x - 1);
1875 static uint32_t binom (uint32_t n, uint32_t k)
1877 //GNUNET_assert (n >= k);
1878 if (k > n) return 0;
1879 if (0 > n) return 0;
1880 if (0 > k) return 0;
1881 if (0 == k) return 1;
1884 fac(k) * fac(n - k);
1888 * @brief is b in view of a?
1895 static int is_in_view (uint32_t a, uint32_t b)
1898 for (i = 0; i < rps_peers[a].cur_view_count; i++)
1900 if (0 == memcmp (rps_peers[b].peer_id,
1901 &rps_peers[a].cur_view[i],
1902 sizeof (struct GNUNET_PeerIdentity)))
1910 static uint32_t get_idx_of_pid (const struct GNUNET_PeerIdentity *pid)
1914 for (i = 0; i < num_peers; i++)
1916 if (0 == memcmp (pid,
1917 rps_peers[i].peer_id,
1918 sizeof (struct GNUNET_PeerIdentity)))
1923 //return 0; /* Should not happen - make compiler happy */
1924 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1925 "No known _PeerIdentity %s!\n",
1926 GNUNET_i2s_full (pid));
1931 * @brief Counts number of peers in view of a that have b in their view
1938 static uint32_t count_containing_views (uint32_t a, uint32_t b)
1944 for (i = 0; i < rps_peers[a].cur_view_count; i++)
1946 peer_idx = get_idx_of_pid (&rps_peers[a].cur_view[i]);
1947 if (GNUNET_YES == is_in_view (peer_idx, b))
1956 * @brief Computes the probability for each other peer to be selected by the
1957 * sampling process based on the views of all peers
1959 * @param peer_idx index of the peer that is about to sample
1961 static void compute_probabilities (uint32_t peer_idx)
1963 //double probs[num_peers] = { 0 };
1964 double probs[num_peers];
1965 size_t probs_as_str_size = (num_peers * 10 + 1) * sizeof (char);
1966 char *probs_as_str = GNUNET_malloc (probs_as_str_size);
1967 char *probs_as_str_cpy;
1972 uint32_t cont_views;
1973 uint32_t number_of_being_in_pull_events;
1975 uint32_t count_non_zero_prob = 0;
1977 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1978 "Computing probabilities for peer %" PRIu32 "\n", peer_idx);
1979 /* Firstly without knowledge of old views */
1980 for (i = 0; i < num_peers; i++)
1982 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1983 "\tfor peer %" PRIu32 ":\n", i);
1984 view_size = rps_peers[i].cur_view_count;
1985 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1986 "\t\tview_size: %" PRIu32 "\n", view_size);
1987 /* For peer i the probability of being sampled is
1988 * evenly distributed among all possibly observed peers. */
1989 /* We could have observed a peer in three cases:
1990 * 1. peer sent a push
1991 * 2. peer was contained in a pull reply
1992 * 3. peer was in history (sampler) - ignored for now */
1993 /* 1. Probability of having received a push from peer i */
1994 if ((GNUNET_YES == is_in_view (i, peer_idx)) &&
1995 (1 <= (0.45 * view_size)))
1997 prob_push = 1.0 * binom (0.45 * view_size, 1)
1999 binom (view_size, 0.45 * view_size);
2000 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2001 "\t\t%" PRIu32 " is in %" PRIu32 "'s view, prob: %f\n",
2005 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2006 "\t\tposs choices from view: %" PRIu32 ", containing i: %" PRIu32 "\n",
2007 binom (view_size, 0.45 * view_size),
2008 binom (0.45 * view_size, 1));
2011 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2012 "\t\t%" PRIu32 " is not in %" PRIu32 "'s view, prob: 0\n",
2016 /* 2. Probability of peer i being contained in pulls */
2017 view_size = rps_peers[peer_idx].cur_view_count;
2018 cont_views = count_containing_views (peer_idx, i);
2019 number_of_being_in_pull_events =
2020 (binom (view_size, 0.45 * view_size) -
2021 binom (view_size - cont_views, 0.45 * view_size));
2022 if (0 != number_of_being_in_pull_events)
2024 prob_pull = number_of_being_in_pull_events
2026 (1.0 * binom (view_size, 0.45 * view_size));
2031 probs[i] = prob_push + prob_pull - (prob_push * prob_pull);
2032 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2033 "\t\t%" PRIu32 " has %" PRIu32 " of %" PRIu32
2034 " peers in its view who know %" PRIu32 " prob: %f\n",
2040 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2041 "\t\tnumber of possible pull combinations: %" PRIu32 "\n",
2042 binom (view_size, 0.45 * view_size));
2043 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2044 "\t\tnumber of possible pull combinations without %" PRIu32
2047 binom (view_size - cont_views, 0.45 * view_size));
2048 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2049 "\t\tnumber of possible pull combinations with %" PRIu32
2052 number_of_being_in_pull_events);
2054 if (0 != probs[i]) count_non_zero_prob++;
2057 if (0 != count_non_zero_prob)
2059 for (i = 0; i < num_peers; i++)
2061 probs[i] = probs[i] * (1.0 / count_non_zero_prob);
2064 for (i = 0; i < num_peers; i++)
2070 for (i = 0; i < num_peers; i++)
2072 probs_as_str_cpy = GNUNET_strndup (probs_as_str, probs_as_str_size);
2073 tmp = GNUNET_snprintf (probs_as_str,
2075 "%s %7.6f", probs_as_str_cpy, probs[i]);
2076 GNUNET_free (probs_as_str_cpy);
2077 GNUNET_assert (0 <= tmp);
2080 to_file_w_len (rps_peers[peer_idx].file_name_probs,
2083 GNUNET_free (probs_as_str);
2087 * @brief This counts the number of peers in which views a given peer occurs.
2089 * It also stores this value in the rps peer.
2091 * @param peer_idx the index of the peer to count the representation
2093 * @return the number of occurrences
2095 static uint32_t count_peer_in_views_2 (uint32_t peer_idx)
2100 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2102 for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2104 if (0 == memcmp (rps_peers[peer_idx].peer_id,
2105 &rps_peers[i].cur_view[j],
2106 sizeof (struct GNUNET_PeerIdentity)))
2113 rps_peers[peer_idx].count_in_views = count;
2117 static uint32_t cumulated_view_sizes ()
2122 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2124 view_sizes += rps_peers[i].cur_view_count;
2129 static void count_peer_in_views (uint32_t *count_peers)
2133 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2135 for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2137 if (0 == memcmp (rps_peers[i].peer_id,
2138 &rps_peers[i].cur_view[j],
2139 sizeof (struct GNUNET_PeerIdentity)))
2147 void compute_diversity ()
2150 /* ith entry represents the numer of occurrences in other peer's views */
2151 uint32_t *count_peers = GNUNET_new_array (num_peers, uint32_t);
2152 uint32_t views_total_size;
2154 /* deviation from expected number of peers */
2155 double *deviation = GNUNET_new_array (num_peers, double);
2157 views_total_size = 0;
2160 /* For each peer count its representation in other peer's views*/
2161 for (i = 0; i < num_peers; i++) /* Peer to count */
2163 views_total_size += rps_peers[i].cur_view_count;
2164 count_peer_in_views (count_peers);
2165 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2166 "Counted representation of %" PRIu32 "th peer [%s]: %" PRIu32"\n",
2168 GNUNET_i2s (rps_peers[i].peer_id),
2172 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2173 "size of all views combined: %" PRIu32 "\n",
2175 expected = ((double) 1/num_peers) * views_total_size;
2176 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2177 "Expected number of occurrences of each peer in all views: %f\n",
2179 for (i = 0; i < num_peers; i++) /* Peer to count */
2181 deviation[i] = expected - count_peers[i];
2182 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2183 "Deviation from expectation: %f\n", deviation[i]);
2185 GNUNET_free (count_peers);
2186 GNUNET_free (deviation);
2189 void print_view_sizes()
2193 for (i = 0; i < num_peers; i++) /* Peer to count */
2195 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2196 "View size of %" PRIu32 ". [%s] is %" PRIu32 "\n",
2198 GNUNET_i2s (rps_peers[i].peer_id),
2199 rps_peers[i].cur_view_count);
2203 void all_views_updated_cb()
2205 compute_diversity();
2209 void view_update_cb (void *cls,
2211 const struct GNUNET_PeerIdentity *peers)
2213 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2214 "View was updated (%" PRIu64 ")\n", view_size);
2215 struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
2216 to_file ("/tmp/rps/view_sizes.txt",
2217 "%" PRIu64 " %" PRIu32 "",
2220 for (int i = 0; i < view_size; i++)
2222 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2223 "\t%s\n", GNUNET_i2s (&peers[i]));
2225 GNUNET_array_grow (rps_peer->cur_view,
2226 rps_peer->cur_view_count,
2228 //*rps_peer->cur_view = *peers;
2229 GNUNET_memcpy (rps_peer->cur_view,
2231 view_size * sizeof (struct GNUNET_PeerIdentity));
2232 to_file ("/tmp/rps/count_in_views.txt",
2233 "%" PRIu64 " %" PRIu32 "",
2235 count_peer_in_views_2 (rps_peer->index));
2236 cumulated_view_sizes();
2239 to_file ("/tmp/rps/repr.txt",
2240 "%" PRIu64 /* index */
2241 " %" PRIu32 /* occurrence in views */
2242 " %" PRIu32 /* view sizes */
2243 " %f" /* fraction of repr in views */
2244 " %f" /* average view size */
2245 " %f" /* prob of occurrence in view slot */
2246 " %f" "", /* exp frac of repr in views */
2248 count_peer_in_views_2 (rps_peer->index),
2250 count_peer_in_views_2 (rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */
2251 view_sizes / (view_size * 1.0), /* average view size */
2252 1.0 /view_size, /* prob of occurrence in view slot */
2253 (1.0/view_size) * (view_sizes/view_size) /* expected fraction of repr in views */
2256 compute_probabilities (rps_peer->index);
2257 all_views_updated_cb();
2261 pre_profiler (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
2263 rps_peer->file_name_probs =
2264 store_prefix_file_name (rps_peer->peer_id, "probs");
2265 GNUNET_RPS_view_request (h, 0, view_update_cb, rps_peer);
2268 void write_final_stats (void){
2271 for (i = 0; i < num_peers; i++)
2273 to_file ("/tmp/rps/final_stats.dat",
2274 "%" PRIu32 " " /* index */
2276 PRIu64 " %" /* rounds */
2277 PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" /* blocking */
2278 PRIu64 " %" PRIu64 " %" PRIu64 " %" /* issued */
2279 PRIu64 " %" PRIu64 " %" PRIu64 " %" /* sent */
2280 PRIu64 " %" PRIu64 " %" PRIu64 /* recv */,
2282 GNUNET_i2s (rps_peers[i].peer_id),
2283 rps_peers[i].num_rounds,
2284 rps_peers[i].num_blocks,
2285 rps_peers[i].num_blocks_many_push,
2286 rps_peers[i].num_blocks_no_push,
2287 rps_peers[i].num_blocks_no_pull,
2288 rps_peers[i].num_blocks_many_push_no_pull,
2289 rps_peers[i].num_blocks_no_push_no_pull,
2290 rps_peers[i].num_issued_push,
2291 rps_peers[i].num_issued_pull_req,
2292 rps_peers[i].num_issued_pull_rep,
2293 rps_peers[i].num_sent_push,
2294 rps_peers[i].num_sent_pull_req,
2295 rps_peers[i].num_sent_pull_rep,
2296 rps_peers[i].num_recv_push,
2297 rps_peers[i].num_recv_pull_req,
2298 rps_peers[i].num_recv_pull_rep);
2303 * Continuation called by #GNUNET_STATISTICS_get() functions.
2305 * Remembers that this specific statistics value was received for this peer.
2306 * Checks whether all peers received their statistics yet.
2307 * Issues the shutdown.
2309 * @param cls closure
2310 * @param success #GNUNET_OK if statistics were
2311 * successfully obtained, #GNUNET_SYSERR if not.
2314 post_test_shutdown_ready_cb (void *cls,
2317 struct STATcls *stat_cls = (struct STATcls *) cls;
2318 struct RPSPeer *rps_peer = stat_cls->rps_peer;
2319 if (GNUNET_OK == success)
2321 /* set flag that we we got the value */
2322 rps_peer->stat_collected_flags |= stat_cls->stat_type;
2324 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2325 "Peer %u did not receive statistics value\n",
2327 GNUNET_free (stat_cls);
2331 if (NULL != rps_peer->stat_op &&
2332 GNUNET_YES == check_statistics_collect_completed_single_peer (rps_peer))
2334 GNUNET_TESTBED_operation_done (rps_peer->stat_op);
2337 write_final_stats ();
2338 if (GNUNET_YES == check_statistics_collect_completed())
2340 //write_final_stats ();
2341 GNUNET_free (stat_cls);
2342 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2344 GNUNET_SCHEDULER_shutdown ();
2346 GNUNET_free (stat_cls);
2351 * @brief Converts string representation to the corresponding #STAT_TYPE enum.
2353 * @param stat_str string representation of statistics specifier
2355 * @return corresponding enum
2357 enum STAT_TYPE stat_str_2_type (const char *stat_str)
2359 if (0 == strncmp ("# rounds blocked - no pull replies", stat_str, strlen ("# rounds blocked - no pull replies")))
2361 return STAT_TYPE_BLOCKS_NO_PULL;
2363 else if (0 == strncmp ("# rounds blocked - too many pushes, no pull replies", stat_str, strlen ("# rounds blocked - too many pushes, no pull replies")))
2365 return STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL;
2367 else if (0 == strncmp ("# rounds blocked - too many pushes", stat_str, strlen ("# rounds blocked - too many pushes")))
2369 return STAT_TYPE_BLOCKS_MANY_PUSH;
2371 else if (0 == strncmp ("# rounds blocked - no pushes, no pull replies", stat_str, strlen ("# rounds blocked - no pushes, no pull replies")))
2373 return STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL;
2375 else if (0 == strncmp ("# rounds blocked - no pushes", stat_str, strlen ("# rounds blocked - no pushes")))
2377 return STAT_TYPE_BLOCKS_NO_PUSH;
2379 else if (0 == strncmp ("# rounds blocked", stat_str, strlen ("# rounds blocked")))
2381 return STAT_TYPE_BLOCKS;
2383 else if (0 == strncmp ("# rounds", stat_str, strlen ("# rounds")))
2385 return STAT_TYPE_ROUNDS;
2387 else if (0 == strncmp ("# push send issued", stat_str, strlen ("# push send issued")))
2389 return STAT_TYPE_ISSUED_PUSH_SEND;
2391 else if (0 == strncmp ("# pull request send issued", stat_str, strlen ("# pull request send issued")))
2393 return STAT_TYPE_ISSUED_PULL_REQ;
2395 else if (0 == strncmp ("# pull reply send issued", stat_str, strlen ("# pull reply send issued")))
2397 return STAT_TYPE_ISSUED_PULL_REP;
2399 else if (0 == strncmp ("# pushes sent", stat_str, strlen ("# pushes sent")))
2401 return STAT_TYPE_SENT_PUSH_SEND;
2403 else if (0 == strncmp ("# pull requests sent", stat_str, strlen ("# pull requests sent")))
2405 return STAT_TYPE_SENT_PULL_REQ;
2407 else if (0 == strncmp ("# pull replys sent", stat_str, strlen ("# pull replys sent")))
2409 return STAT_TYPE_SENT_PULL_REP;
2411 else if (0 == strncmp ("# push message received", stat_str, strlen ("# push message received")))
2413 return STAT_TYPE_RECV_PUSH_SEND;
2415 else if (0 == strncmp ("# pull request message received", stat_str, strlen ("# pull request message received")))
2417 return STAT_TYPE_RECV_PULL_REQ;
2419 else if (0 == strncmp ("# pull reply messages received", stat_str, strlen ("# pull reply messages received")))
2421 return STAT_TYPE_RECV_PULL_REP;
2423 return STAT_TYPE_MAX;
2428 * @brief Converts #STAT_TYPE enum to the equivalent string representation that
2429 * is stored with the statistics service.
2431 * @param stat_type #STAT_TYPE enum
2433 * @return string representation that matches statistics value
2435 char* stat_type_2_str (enum STAT_TYPE stat_type)
2439 case STAT_TYPE_ROUNDS:
2441 case STAT_TYPE_BLOCKS:
2442 return "# rounds blocked";
2443 case STAT_TYPE_BLOCKS_MANY_PUSH:
2444 return "# rounds blocked - too many pushes";
2445 case STAT_TYPE_BLOCKS_NO_PUSH:
2446 return "# rounds blocked - no pushes";
2447 case STAT_TYPE_BLOCKS_NO_PULL:
2448 return "# rounds blocked - no pull replies";
2449 case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
2450 return "# rounds blocked - too many pushes, no pull replies";
2451 case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
2452 return "# rounds blocked - no pushes, no pull replies";
2453 case STAT_TYPE_ISSUED_PUSH_SEND:
2454 return "# push send issued";
2455 case STAT_TYPE_ISSUED_PULL_REQ:
2456 return "# pull request send issued";
2457 case STAT_TYPE_ISSUED_PULL_REP:
2458 return "# pull reply send issued";
2459 case STAT_TYPE_SENT_PUSH_SEND:
2460 return "# pushes sent";
2461 case STAT_TYPE_SENT_PULL_REQ:
2462 return "# pull requests sent";
2463 case STAT_TYPE_SENT_PULL_REP:
2464 return "# pull replys sent";
2465 case STAT_TYPE_RECV_PUSH_SEND:
2466 return "# push message received";
2467 case STAT_TYPE_RECV_PULL_REQ:
2468 return "# pull request message received";
2469 case STAT_TYPE_RECV_PULL_REP:
2470 return "# pull reply messages received";
2479 * Callback function to process statistic values.
2481 * @param cls closure
2482 * @param subsystem name of subsystem that created the statistic
2483 * @param name the name of the datum
2484 * @param value the current value
2485 * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
2486 * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
2489 stat_iterator (void *cls,
2490 const char *subsystem,
2495 const struct STATcls *stat_cls = (const struct STATcls *) cls;
2496 struct RPSPeer *rps_peer = (struct RPSPeer *) stat_cls->rps_peer;
2497 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got stat value: %s - %" PRIu64 "\n",
2498 //stat_type_2_str (stat_cls->stat_type),
2501 to_file (rps_peer->file_name_stats,
2502 "%s: %" PRIu64 "\n",
2505 switch (stat_str_2_type (name))
2507 case STAT_TYPE_ROUNDS:
2508 rps_peer->num_rounds = value;
2510 case STAT_TYPE_BLOCKS:
2511 rps_peer->num_blocks = value;
2513 case STAT_TYPE_BLOCKS_MANY_PUSH:
2514 rps_peer->num_blocks_many_push = value;
2516 case STAT_TYPE_BLOCKS_NO_PUSH:
2517 rps_peer->num_blocks_no_push = value;
2519 case STAT_TYPE_BLOCKS_NO_PULL:
2520 rps_peer->num_blocks_no_pull = value;
2522 case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
2523 rps_peer->num_blocks_many_push_no_pull = value;
2525 case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
2526 rps_peer->num_blocks_no_push_no_pull = value;
2528 case STAT_TYPE_ISSUED_PUSH_SEND:
2529 rps_peer->num_issued_push = value;
2531 case STAT_TYPE_ISSUED_PULL_REQ:
2532 rps_peer->num_issued_pull_req = value;
2534 case STAT_TYPE_ISSUED_PULL_REP:
2535 rps_peer->num_issued_pull_rep = value;
2537 case STAT_TYPE_SENT_PUSH_SEND:
2538 rps_peer->num_sent_push = value;
2540 case STAT_TYPE_SENT_PULL_REQ:
2541 rps_peer->num_sent_pull_req = value;
2543 case STAT_TYPE_SENT_PULL_REP:
2544 rps_peer->num_sent_pull_rep = value;
2546 case STAT_TYPE_RECV_PUSH_SEND:
2547 rps_peer->num_recv_push = value;
2549 case STAT_TYPE_RECV_PULL_REQ:
2550 rps_peer->num_recv_pull_req = value;
2552 case STAT_TYPE_RECV_PULL_REP:
2553 rps_peer->num_recv_pull_rep = value;
2557 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2558 "Unknown statistics string: %s\n",
2565 void post_profiler (struct RPSPeer *rps_peer)
2567 if (COLLECT_STATISTICS != cur_test_run.have_collect_statistics)
2572 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2573 "Going to request statistic values with mask 0x%" PRIx32 "\n",
2574 cur_test_run.stat_collect_flags);
2576 struct STATcls *stat_cls;
2578 for (stat_type = STAT_TYPE_ROUNDS;
2579 stat_type < STAT_TYPE_MAX;
2580 stat_type = stat_type <<1)
2582 if (stat_type & cur_test_run.stat_collect_flags)
2584 stat_cls = GNUNET_malloc (sizeof (struct STATcls));
2585 stat_cls->rps_peer = rps_peer;
2586 stat_cls->stat_type = stat_type;
2587 rps_peer->file_name_stats =
2588 store_prefix_file_name (rps_peer->peer_id, "stats");
2589 GNUNET_STATISTICS_get (rps_peer->stats_h,
2591 stat_type_2_str (stat_type),
2592 post_test_shutdown_ready_cb,
2594 (struct STATcls *) stat_cls);
2595 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2596 "Requested statistics for %s (peer %" PRIu32 ")\n",
2597 stat_type_2_str (stat_type),
2604 /***********************************************************************
2605 * /Definition of tests
2606 ***********************************************************************/
2610 * Actual "main" function for the testcase.
2612 * @param cls closure
2613 * @param h the run handle
2614 * @param n_peers number of peers in 'peers'
2615 * @param peers handle to peers run in the testbed
2616 * @param links_succeeded the number of overlay link connection attempts that
2618 * @param links_failed the number of overlay link connection attempts that
2623 struct GNUNET_TESTBED_RunHandle *h,
2624 unsigned int n_peers,
2625 struct GNUNET_TESTBED_Peer **peers,
2626 unsigned int links_succeeded,
2627 unsigned int links_failed)
2630 struct OpListEntry *entry;
2632 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "RUN was called\n");
2634 /* Check whether we timed out */
2635 if (n_peers != num_peers ||
2637 0 == links_succeeded)
2639 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Going down due to args (eg. timeout)\n");
2640 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tn_peers: %u\n", n_peers);
2641 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tnum_peers: %" PRIu32 "\n", num_peers);
2642 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tpeers: %p\n", peers);
2643 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tlinks_succeeded: %u\n", links_succeeded);
2644 GNUNET_SCHEDULER_shutdown ();
2649 /* Initialize peers */
2650 testbed_peers = peers;
2651 num_peers_online = 0;
2652 for (i = 0; i < num_peers; i++)
2654 entry = make_oplist_entry ();
2656 rps_peers[i].index = i;
2657 if (NULL != cur_test_run.init_peer)
2658 cur_test_run.init_peer (&rps_peers[i]);
2659 if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
2661 rps_peers->cur_view_count = 0;
2662 rps_peers->cur_view = NULL;
2664 entry->op = GNUNET_TESTBED_peer_get_information (peers[i],
2665 GNUNET_TESTBED_PIT_IDENTITY,
2670 /* Bring peers up */
2671 GNUNET_assert (num_peers == n_peers);
2672 for (i = 0; i < n_peers; i++)
2674 rps_peers[i].index = i;
2676 GNUNET_TESTBED_service_connect (&rps_peers[i],
2679 &rps_connect_complete_cb,
2681 &rps_connect_adapter,
2682 &rps_disconnect_adapter,
2684 /* Connect all peers to statistics service */
2685 if (COLLECT_STATISTICS == cur_test_run.have_collect_statistics)
2687 rps_peers[i].stat_op =
2688 GNUNET_TESTBED_service_connect (NULL,
2693 &stat_connect_adapter,
2694 &stat_disconnect_adapter,
2699 if (NULL != churn_task)
2700 GNUNET_SCHEDULER_cancel (churn_task);
2701 post_test_task = GNUNET_SCHEDULER_add_delayed (timeout, &post_test_op, NULL);
2702 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
2703 (timeout_s * 1.2) + 0.1 * num_peers);
2704 shutdown_task = GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL);
2705 shutdown_task = GNUNET_SCHEDULER_add_shutdown (shutdown_op, NULL);
2711 * Entry point for the testcase, sets up the testbed.
2713 * @param argc unused
2714 * @param argv unused
2715 * @return 0 on success
2718 main (int argc, char *argv[])
2722 /* Defaults for tests */
2724 cur_test_run.name = "test-rps-default";
2725 cur_test_run.init_peer = default_init_peer;
2726 cur_test_run.pre_test = NULL;
2727 cur_test_run.reply_handle = default_reply_handle;
2728 cur_test_run.eval_cb = default_eval_cb;
2729 cur_test_run.post_test = NULL;
2730 cur_test_run.have_churn = HAVE_CHURN;
2731 cur_test_run.have_collect_statistics = NO_COLLECT_STATISTICS;
2732 cur_test_run.stat_collect_flags = 0;
2733 cur_test_run.have_collect_view = NO_COLLECT_VIEW;
2737 if (strstr (argv[0], "malicious") != NULL)
2739 cur_test_run.pre_test = mal_pre;
2740 cur_test_run.main_test = mal_cb;
2741 cur_test_run.init_peer = mal_init_peer;
2743 if (strstr (argv[0], "_1") != NULL)
2745 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 1\n");
2746 cur_test_run.name = "test-rps-malicious_1";
2749 else if (strstr (argv[0], "_2") != NULL)
2751 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 2\n");
2752 cur_test_run.name = "test-rps-malicious_2";
2755 else if (strstr (argv[0], "_3") != NULL)
2757 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 3\n");
2758 cur_test_run.name = "test-rps-malicious_3";
2763 else if (strstr (argv[0], "_single_req") != NULL)
2765 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Test single request\n");
2766 cur_test_run.name = "test-rps-single-req";
2767 cur_test_run.main_test = single_req_cb;
2768 cur_test_run.have_churn = HAVE_NO_CHURN;
2771 else if (strstr (argv[0], "_delayed_reqs") != NULL)
2773 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test delayed requests\n");
2774 cur_test_run.name = "test-rps-delayed-reqs";
2775 cur_test_run.main_test = delay_req_cb;
2776 cur_test_run.have_churn = HAVE_NO_CHURN;
2779 else if (strstr (argv[0], "_seed_big") != NULL)
2781 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding (num_peers > GNUNET_MAX_MESSAGE_SIZE)\n");
2783 cur_test_run.name = "test-rps-seed-big";
2784 cur_test_run.main_test = seed_big_cb;
2785 cur_test_run.eval_cb = no_eval;
2786 cur_test_run.have_churn = HAVE_NO_CHURN;
2790 else if (strstr (argv[0], "_single_peer_seed") != NULL)
2792 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on a single peer\n");
2793 cur_test_run.name = "test-rps-single-peer-seed";
2794 cur_test_run.main_test = single_peer_seed_cb;
2795 cur_test_run.have_churn = HAVE_NO_CHURN;
2798 else if (strstr (argv[0], "_seed_request") != NULL)
2800 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on multiple peers\n");
2801 cur_test_run.name = "test-rps-seed-request";
2802 cur_test_run.main_test = seed_req_cb;
2803 cur_test_run.have_churn = HAVE_NO_CHURN;
2806 else if (strstr (argv[0], "_seed") != NULL)
2808 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding\n");
2809 cur_test_run.name = "test-rps-seed";
2810 cur_test_run.main_test = seed_cb;
2811 cur_test_run.eval_cb = no_eval;
2812 cur_test_run.have_churn = HAVE_NO_CHURN;
2815 else if (strstr (argv[0], "_req_cancel") != NULL)
2817 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test cancelling a request\n");
2818 cur_test_run.name = "test-rps-req-cancel";
2820 cur_test_run.main_test = req_cancel_cb;
2821 cur_test_run.eval_cb = no_eval;
2822 cur_test_run.have_churn = HAVE_NO_CHURN;
2826 else if (strstr (argv[0], "_churn") != NULL)
2828 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test churn\n");
2829 cur_test_run.name = "test-rps-churn";
2831 cur_test_run.init_peer = default_init_peer;
2832 cur_test_run.main_test = churn_test_cb;
2833 cur_test_run.reply_handle = default_reply_handle;
2834 cur_test_run.eval_cb = default_eval_cb;
2835 cur_test_run.have_churn = HAVE_NO_CHURN;
2836 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
2840 else if (strstr (argv[0], "profiler") != NULL)
2842 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n");
2843 cur_test_run.name = "test-rps-profiler";
2846 cur_test_run.init_peer = profiler_init_peer;
2847 //cur_test_run.pre_test = mal_pre;
2848 cur_test_run.pre_test = pre_profiler;
2849 cur_test_run.main_test = profiler_cb;
2850 cur_test_run.reply_handle = profiler_reply_handle;
2851 cur_test_run.eval_cb = profiler_eval;
2852 cur_test_run.post_test = post_profiler;
2853 cur_test_run.request_interval = 2;
2854 cur_test_run.num_requests = 5;
2855 //cur_test_run.have_churn = HAVE_CHURN;
2856 cur_test_run.have_churn = HAVE_NO_CHURN;
2857 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
2858 cur_test_run.have_collect_statistics = COLLECT_STATISTICS;
2859 cur_test_run.stat_collect_flags = STAT_TYPE_ROUNDS |
2861 STAT_TYPE_BLOCKS_MANY_PUSH |
2862 STAT_TYPE_BLOCKS_NO_PUSH |
2863 STAT_TYPE_BLOCKS_NO_PULL |
2864 STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL |
2865 STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL |
2866 STAT_TYPE_ISSUED_PUSH_SEND |
2867 STAT_TYPE_ISSUED_PULL_REQ |
2868 STAT_TYPE_ISSUED_PULL_REP |
2869 STAT_TYPE_SENT_PUSH_SEND |
2870 STAT_TYPE_SENT_PULL_REQ |
2871 STAT_TYPE_SENT_PULL_REP |
2872 STAT_TYPE_RECV_PUSH_SEND |
2873 STAT_TYPE_RECV_PULL_REQ |
2874 STAT_TYPE_RECV_PULL_REP;
2875 cur_test_run.have_collect_view = COLLECT_VIEW;
2878 /* 'Clean' directory */
2879 (void) GNUNET_DISK_directory_remove ("/tmp/rps/");
2880 GNUNET_DISK_directory_create ("/tmp/rps/");
2882 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_s);
2884 rps_peers = GNUNET_new_array (num_peers, struct RPSPeer);
2885 peer_map = GNUNET_CONTAINER_multipeermap_create (num_peers, GNUNET_NO);
2886 rps_peer_ids = GNUNET_new_array (num_peers, struct GNUNET_PeerIdentity);
2887 if ( (2 == mal_type) ||
2889 target_peer = &rps_peer_ids[num_peers - 2];
2890 if (profiler_eval == cur_test_run.eval_cb)
2891 eval_peer = &rps_peers[num_peers - 1]; /* FIXME: eval_peer could be a
2892 malicious peer if not careful
2893 with the malicious portion */
2896 ret_value = GNUNET_TESTBED_test_run (cur_test_run.name,
2901 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2902 "_test_run returned.\n");
2903 if (GNUNET_OK != ret_value)
2905 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2906 "Test did not run successfully!\n");
2909 ret_value = cur_test_run.eval_cb();
2911 if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
2913 GNUNET_array_grow (rps_peers->cur_view,
2914 rps_peers->cur_view_count,
2917 GNUNET_free (rps_peers);
2918 GNUNET_free (rps_peer_ids);
2919 GNUNET_CONTAINER_multipeermap_destroy (peer_map);
2923 /* end of test_rps.c */