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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 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
961 rps_peer->rps_handle = rps;
962 rps_peer->online = GNUNET_YES;
965 GNUNET_assert (op == rps_peer->op);
968 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
969 "Failed to connect to RPS service: %s\n",
972 GNUNET_SCHEDULER_shutdown ();
976 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started client successfully\n");
978 cur_test_run.main_test (rps_peer);
983 * Adapter function called to establish a connection to
987 * @param cfg configuration of the peer to connect to; will be available until
988 * GNUNET_TESTBED_operation_done() is called on the operation returned
989 * from GNUNET_TESTBED_service_connect()
990 * @return service handle to return in 'op_result', NULL on error
993 rps_connect_adapter (void *cls,
994 const struct GNUNET_CONFIGURATION_Handle *cfg)
996 struct GNUNET_RPS_Handle *h;
998 h = GNUNET_RPS_connect (cfg);
1000 if (NULL != cur_test_run.pre_test)
1001 cur_test_run.pre_test (cls, h);
1007 * Called to open a connection to the peer's statistics
1009 * @param cls peer context
1010 * @param cfg configuration of the peer to connect to; will be available until
1011 * GNUNET_TESTBED_operation_done() is called on the operation returned
1012 * from GNUNET_TESTBED_service_connect()
1013 * @return service handle to return in 'op_result', NULL on error
1016 stat_connect_adapter (void *cls,
1017 const struct GNUNET_CONFIGURATION_Handle *cfg)
1019 struct RPSPeer *peer = cls;
1021 peer->stats_h = GNUNET_STATISTICS_create ("rps-profiler", cfg);
1022 return peer->stats_h;
1026 * Called to disconnect from peer's statistics service
1028 * @param cls peer context
1029 * @param op_result service handle returned from the connect adapter
1032 stat_disconnect_adapter (void *cls, void *op_result)
1034 struct RPSPeer *peer = cls;
1036 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1037 // (peer->stats_h, "core", "# peers connected",
1038 // stat_iterator, peer));
1039 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel
1040 // (peer->stats_h, "nse", "# peers connected",
1041 // stat_iterator, peer));
1042 GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
1043 peer->stats_h = NULL;
1047 * Called after successfully opening a connection to a peer's statistics
1048 * service; we register statistics monitoring for CORE and NSE here.
1050 * @param cls the callback closure from functions generating an operation
1051 * @param op the operation that has been finished
1052 * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
1053 * @param emsg error message in case the operation has failed; will be NULL if
1054 * operation has executed successfully.
1057 stat_complete_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
1058 void *ca_result, const char *emsg )
1060 //struct GNUNET_STATISTICS_Handle *sh = ca_result;
1061 //struct RPSPeer *peer = (struct RPSPeer *) cls;
1068 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1069 // (sh, "core", "# peers connected",
1070 // stat_iterator, peer));
1071 //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch
1072 // (sh, "nse", "# peers connected",
1073 // stat_iterator, peer));
1078 * Adapter function called to destroy connection to
1081 * @param cls closure
1082 * @param op_result service handle returned from the connect adapter
1085 rps_disconnect_adapter (void *cls,
1088 struct RPSPeer *peer = cls;
1089 struct GNUNET_RPS_Handle *h = op_result;
1090 GNUNET_assert (NULL != peer);
1091 GNUNET_RPS_disconnect (h);
1092 peer->rps_handle = NULL;
1096 /***********************************************************************
1097 * Definition of tests
1098 ***********************************************************************/
1100 // TODO check whether tests can be stopped earlier
1102 default_eval_cb (void)
1114 * Initialise given RPSPeer
1116 static void default_init_peer (struct RPSPeer *rps_peer)
1118 rps_peer->num_ids_to_request = 1;
1122 * Callback to call on receipt of a reply
1124 * @param cls closure
1125 * @param n number of peers
1126 * @param recv_peers the received peers
1129 default_reply_handle (void *cls,
1131 const struct GNUNET_PeerIdentity *recv_peers)
1133 struct RPSPeer *rps_peer;
1134 struct PendingReply *pending_rep = (struct PendingReply *) cls;
1137 rps_peer = pending_rep->rps_peer;
1138 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
1139 rps_peer->pending_rep_tail,
1141 rps_peer->num_pending_reps--;
1142 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1143 "[%s] got %" PRIu64 " peers:\n",
1144 GNUNET_i2s (rps_peer->peer_id),
1147 for (i = 0; i < n; i++)
1149 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1152 GNUNET_i2s (&recv_peers[i]));
1154 rps_peer->num_recv_ids++;
1157 if (0 == evaluate () && HAVE_QUICK_QUIT == cur_test_run.have_quick_quit)
1159 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test succeeded before timeout\n");
1160 GNUNET_assert (NULL != post_test_task);
1161 GNUNET_SCHEDULER_cancel (post_test_task);
1162 post_test_task = GNUNET_SCHEDULER_add_now (&post_test_op, NULL);
1163 GNUNET_assert (NULL!= post_test_task);
1168 * Request random peers.
1171 request_peers (void *cls)
1173 struct PendingRequest *pending_req = cls;
1174 struct RPSPeer *rps_peer;
1175 struct PendingReply *pending_rep;
1177 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1179 rps_peer = pending_req->rps_peer;
1180 GNUNET_assert (1 <= rps_peer->num_pending_reqs);
1181 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
1182 rps_peer->pending_req_tail,
1184 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1185 "Requesting one peer\n");
1186 pending_rep = GNUNET_new (struct PendingReply);
1187 pending_rep->rps_peer = rps_peer;
1188 pending_rep->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle,
1190 cur_test_run.reply_handle,
1192 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_rep_head,
1193 rps_peer->pending_rep_tail,
1195 rps_peer->num_pending_reps++;
1196 rps_peer->num_pending_reqs--;
1200 cancel_pending_req (struct PendingRequest *pending_req)
1202 struct RPSPeer *rps_peer;
1204 rps_peer = pending_req->rps_peer;
1205 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
1206 rps_peer->pending_req_tail,
1208 rps_peer->num_pending_reqs--;
1209 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1210 "Cancelling pending request\n");
1211 GNUNET_SCHEDULER_cancel (pending_req->request_task);
1212 GNUNET_free (pending_req);
1216 cancel_request (struct PendingReply *pending_rep)
1218 struct RPSPeer *rps_peer;
1220 rps_peer = pending_rep->rps_peer;
1221 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
1222 rps_peer->pending_rep_tail,
1224 rps_peer->num_pending_reps--;
1225 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1226 "Cancelling request\n");
1227 GNUNET_RPS_request_cancel (pending_rep->req_handle);
1228 GNUNET_free (pending_rep);
1235 cancel_request_cb (void *cls)
1237 struct RPSPeer *rps_peer = cls;
1238 struct PendingReply *pending_rep;
1240 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1242 pending_rep = rps_peer->pending_rep_head;
1243 GNUNET_assert (1 <= rps_peer->num_pending_reps);
1244 cancel_request (pending_rep);
1249 * Schedule requests for peer @a rps_peer that have neither been scheduled, nor
1250 * issued, nor replied
1253 schedule_missing_requests (struct RPSPeer *rps_peer)
1256 struct PendingRequest *pending_req;
1258 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1259 "Scheduling %u - %u missing requests\n",
1260 rps_peer->num_ids_to_request,
1261 rps_peer->num_pending_reqs + rps_peer->num_pending_reps);
1262 GNUNET_assert (rps_peer->num_pending_reqs + rps_peer->num_pending_reps <=
1263 rps_peer->num_ids_to_request);
1264 for (i = rps_peer->num_pending_reqs + rps_peer->num_pending_reps;
1265 i < rps_peer->num_ids_to_request; i++)
1267 pending_req = GNUNET_new (struct PendingRequest);
1268 pending_req->rps_peer = rps_peer;
1269 pending_req->request_task = GNUNET_SCHEDULER_add_delayed (
1270 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
1271 cur_test_run.request_interval * i),
1274 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_req_head,
1275 rps_peer->pending_req_tail,
1277 rps_peer->num_pending_reqs++;
1282 cancel_pending_req_rep (struct RPSPeer *rps_peer)
1284 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1285 "Cancelling all (pending) requests.\n");
1286 while (NULL != rps_peer->pending_req_head)
1287 cancel_pending_req (rps_peer->pending_req_head);
1288 GNUNET_assert (0 == rps_peer->num_pending_reqs);
1289 while (NULL != rps_peer->pending_rep_head)
1290 cancel_request (rps_peer->pending_rep_head);
1291 GNUNET_assert (0 == rps_peer->num_pending_reps);
1294 /***********************************
1296 ***********************************/
1299 * Initialise only non-mal RPSPeers
1301 static void mal_init_peer (struct RPSPeer *rps_peer)
1303 if (rps_peer->index >= round (portion * num_peers))
1304 rps_peer->num_ids_to_request = 1;
1309 * @brief Set peers to (non-)malicious before execution
1311 * Of signature #PreTest
1313 * @param rps_peer the peer to set (non-) malicious
1314 * @param h the handle to the service
1317 mal_pre (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
1319 #ifdef ENABLE_MALICIOUS
1320 uint32_t num_mal_peers;
1322 GNUNET_assert ( (1 >= portion) &&
1324 num_mal_peers = round (portion * num_peers);
1326 if (rps_peer->index < num_mal_peers)
1328 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1329 "%u. peer [%s] of %" PRIu32 " malicious peers turning malicious\n",
1331 GNUNET_i2s (rps_peer->peer_id),
1334 GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers,
1335 rps_peer_ids, target_peer);
1337 #endif /* ENABLE_MALICIOUS */
1341 mal_cb (struct RPSPeer *rps_peer)
1343 uint32_t num_mal_peers;
1345 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1350 #ifdef ENABLE_MALICIOUS
1351 GNUNET_assert ( (1 >= portion) &&
1353 num_mal_peers = round (portion * num_peers);
1355 if (rps_peer->index >= num_mal_peers)
1356 { /* It's useless to ask a malicious peer about a random sample -
1357 it's not sampling */
1358 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1359 seed_peers, rps_peer);
1360 schedule_missing_requests (rps_peer);
1362 #endif /* ENABLE_MALICIOUS */
1366 /***********************************
1368 ***********************************/
1370 single_req_cb (struct RPSPeer *rps_peer)
1372 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1377 schedule_missing_requests (rps_peer);
1380 /***********************************
1382 ***********************************/
1384 delay_req_cb (struct RPSPeer *rps_peer)
1386 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1391 schedule_missing_requests (rps_peer);
1394 /***********************************
1396 ***********************************/
1398 seed_cb (struct RPSPeer *rps_peer)
1400 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1405 GNUNET_SCHEDULER_add_delayed (
1406 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
1407 seed_peers, rps_peer);
1410 /***********************************
1412 ***********************************/
1414 seed_big_cb (struct RPSPeer *rps_peer)
1416 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1421 // TODO test seeding > GNUNET_MAX_MESSAGE_SIZE peers
1422 GNUNET_SCHEDULER_add_delayed (
1423 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1424 seed_peers_big, rps_peer);
1427 /***********************************
1429 ***********************************/
1431 single_peer_seed_cb (struct RPSPeer *rps_peer)
1436 /***********************************
1438 ***********************************/
1440 seed_req_cb (struct RPSPeer *rps_peer)
1442 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1447 GNUNET_SCHEDULER_add_delayed (
1448 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1449 seed_peers, rps_peer);
1450 schedule_missing_requests (rps_peer);
1453 //TODO start big mal
1455 /***********************************
1457 ***********************************/
1459 req_cancel_cb (struct RPSPeer *rps_peer)
1461 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1466 schedule_missing_requests (rps_peer);
1467 GNUNET_SCHEDULER_add_delayed (
1468 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
1469 (cur_test_run.request_interval + 1)),
1470 cancel_request_cb, rps_peer);
1473 /***********************************
1475 ***********************************/
1481 * @brief Starts churn
1483 * Has signature of #MainTest
1485 * This is not implemented too nicely as this is called for each peer, but we
1486 * only need to call it once. (Yes we check that we only schedule the task
1489 * @param rps_peer The peer it's called for
1492 churn_test_cb (struct RPSPeer *rps_peer)
1494 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1500 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1502 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1503 "Starting churn task\n");
1504 churn_task = GNUNET_SCHEDULER_add_delayed (
1505 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1509 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1510 "Not starting churn task\n");
1513 schedule_missing_requests (rps_peer);
1516 /***********************************
1518 ***********************************/
1521 * Callback to be called when RPS service is started or stopped at peers
1524 * @param op the operation handle
1525 * @param emsg NULL on success; otherwise an error description
1528 churn_cb (void *cls,
1529 struct GNUNET_TESTBED_Operation *op,
1533 struct OpListEntry *entry = cls;
1535 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1540 GNUNET_TESTBED_operation_done (entry->op);
1543 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n");
1544 GNUNET_SCHEDULER_shutdown ();
1547 GNUNET_assert (0 != entry->delta);
1549 num_peers_online += entry->delta;
1551 if (PEER_GO_OFFLINE == entry->delta)
1552 { /* Peer hopefully just went offline */
1553 if (GNUNET_YES != rps_peers[entry->index].online)
1555 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1556 "peer %s was expected to go offline but is still marked as online\n",
1557 GNUNET_i2s (rps_peers[entry->index].peer_id));
1562 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1563 "peer %s probably went offline as expected\n",
1564 GNUNET_i2s (rps_peers[entry->index].peer_id));
1566 rps_peers[entry->index].online = GNUNET_NO;
1569 else if (PEER_GO_ONLINE < entry->delta)
1570 { /* Peer hopefully just went online */
1571 if (GNUNET_NO != rps_peers[entry->index].online)
1573 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1574 "peer %s was expected to go online but is still marked as offline\n",
1575 GNUNET_i2s (rps_peers[entry->index].peer_id));
1580 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1581 "peer %s probably went online as expected\n",
1582 GNUNET_i2s (rps_peers[entry->index].peer_id));
1583 if (NULL != cur_test_run.pre_test)
1585 cur_test_run.pre_test (&rps_peers[entry->index],
1586 rps_peers[entry->index].rps_handle);
1587 schedule_missing_requests (&rps_peers[entry->index]);
1590 rps_peers[entry->index].online = GNUNET_YES;
1594 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1595 "Invalid value for delta: %i\n", entry->delta);
1599 GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
1600 rps_peers[entry->index].entry_op_manage = NULL;
1601 GNUNET_free (entry);
1602 //if (num_peers_in_round[current_round] == peers_running)
1607 * @brief Set the rps-service up or down for a specific peer
1609 * @param i index of action
1610 * @param j index of peer
1611 * @param delta (#PEER_ONLINE_DELTA) down (-1) or up (1)
1612 * @param prob_go_on_off the probability of the action
1615 manage_service_wrapper (unsigned int i, unsigned int j,
1616 enum PEER_ONLINE_DELTA delta,
1617 double prob_go_on_off)
1619 struct OpListEntry *entry = NULL;
1622 /* make sure that management operation is not already scheduled */
1623 if (NULL != rps_peers[j].entry_op_manage)
1628 prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
1630 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1631 "%u. selected peer (%u: %s) is %s.\n",
1634 GNUNET_i2s (rps_peers[j].peer_id),
1635 (PEER_GO_ONLINE == delta) ? "online" : "offline");
1636 if (prob < prob_go_on_off * UINT32_MAX)
1638 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1640 GNUNET_i2s (rps_peers[j].peer_id),
1641 (PEER_GO_OFFLINE == delta) ? "offline" : "online");
1643 if (PEER_GO_OFFLINE == delta)
1644 cancel_pending_req_rep (&rps_peers[j]);
1645 entry = make_oplist_entry ();
1646 entry->delta = delta;
1648 entry->op = GNUNET_TESTBED_peer_manage_service (NULL,
1653 (PEER_GO_OFFLINE == delta) ? 0 : 1);
1654 rps_peers[j].entry_op_manage = entry;
1664 double portion_online;
1665 unsigned int *permut;
1666 double prob_go_offline;
1667 double portion_go_online;
1668 double portion_go_offline;
1670 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1674 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1675 "Churn function executing\n");
1677 churn_task = NULL; /* Should be invalid by now */
1679 /* Compute the probability for an online peer to go offline
1681 portion_online = num_peers_online * 1.0 / num_peers;
1682 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1683 "Portion online: %f\n",
1685 portion_go_online = ((1 - portion_online) * .5 * .66);
1686 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1687 "Portion that should go online: %f\n",
1689 portion_go_offline = (portion_online + portion_go_online) - .75;
1690 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1691 "Portion that probably goes offline: %f\n",
1692 portion_go_offline);
1693 prob_go_offline = portion_go_offline / (portion_online * .5);
1694 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1695 "Probability of a selected online peer to go offline: %f\n",
1698 permut = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
1699 (unsigned int) num_peers);
1701 /* Go over 50% randomly chosen peers */
1702 for (i = 0; i < .5 * num_peers; i++)
1706 /* If online, shut down with certain probability */
1707 if (GNUNET_YES == rps_peers[j].online)
1709 manage_service_wrapper (i, j, -1, prob_go_offline);
1712 /* If offline, restart with certain probability */
1713 else if (GNUNET_NO == rps_peers[j].online)
1715 manage_service_wrapper (i, j, 1, 0.66);
1719 GNUNET_free (permut);
1721 churn_task = GNUNET_SCHEDULER_add_delayed (
1722 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1729 * Initialise given RPSPeer
1731 static void profiler_init_peer (struct RPSPeer *rps_peer)
1733 if (num_peers - 1 == rps_peer->index)
1734 rps_peer->num_ids_to_request = cur_test_run.num_requests;
1739 * Callback to call on receipt of a reply
1741 * @param cls closure
1742 * @param n number of peers
1743 * @param recv_peers the received peers
1746 profiler_reply_handle (void *cls,
1748 const struct GNUNET_PeerIdentity *recv_peers)
1750 struct RPSPeer *rps_peer;
1751 struct RPSPeer *rcv_rps_peer;
1755 struct PendingReply *pending_rep = (struct PendingReply *) cls;
1757 rps_peer = pending_rep->rps_peer;
1758 file_name = "/tmp/rps/received_ids";
1759 file_name_dh = "/tmp/rps/diehard_input";
1760 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1761 "[%s] got %" PRIu64 " peers:\n",
1762 GNUNET_i2s (rps_peer->peer_id),
1764 for (i = 0; i < n; i++)
1766 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1769 GNUNET_i2s (&recv_peers[i]));
1772 GNUNET_i2s_full (&recv_peers[i]));
1773 rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get (peer_map, &recv_peers[i]);
1774 GNUNET_assert (NULL != rcv_rps_peer);
1775 tofile (file_name_dh,
1777 (uint32_t) rcv_rps_peer->index);
1779 default_reply_handle (cls, n, recv_peers);
1784 profiler_cb (struct RPSPeer *rps_peer)
1786 if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test)
1792 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1794 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1795 "Starting churn task\n");
1796 churn_task = GNUNET_SCHEDULER_add_delayed (
1797 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1801 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1802 "Not starting churn task\n");
1805 /* Only request peer ids at one peer.
1806 * (It's the before-last because last one is target of the focussed attack.)
1808 if (eval_peer == rps_peer)
1809 schedule_missing_requests (rps_peer);
1813 * Function called from #profiler_eval with a filename.
1815 * @param cls closure
1816 * @param filename complete filename (absolute path)
1817 * @return #GNUNET_OK to continue to iterate,
1818 * #GNUNET_NO to stop iteration with no error,
1819 * #GNUNET_SYSERR to abort iteration with error!
1822 file_name_cb (void *cls, const char *filename)
1824 if (NULL != strstr (filename, "sampler_el"))
1826 struct RPS_SamplerElement *s_elem;
1827 struct GNUNET_CRYPTO_AuthKey auth_key;
1828 const char *key_char;
1831 key_char = filename + 20; /* Length of "/tmp/rps/sampler_el-" */
1832 tofile (filename, "--------------------------\n");
1834 auth_key = string_to_auth_key (key_char);
1835 s_elem = RPS_sampler_elem_create ();
1836 RPS_sampler_elem_set (s_elem, auth_key);
1838 for (i = 0; i < num_peers; i++)
1840 RPS_sampler_elem_next (s_elem, &rps_peer_ids[i]);
1842 RPS_sampler_elem_destroy (s_elem);
1848 * This is run after the test finished.
1850 * Compute all perfect samples.
1853 profiler_eval (void)
1855 /* Compute perfect sample for each sampler element */
1856 if (-1 == GNUNET_DISK_directory_scan ("/tmp/rps/", file_name_cb, NULL))
1858 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n");
1864 static uint32_t fac (uint32_t x)
1870 return x * fac (x - 1);
1873 static uint32_t binom (uint32_t n, uint32_t k)
1875 //GNUNET_assert (n >= k);
1876 if (k > n) return 0;
1877 if (0 > n) return 0;
1878 if (0 > k) return 0;
1879 if (0 == k) return 1;
1882 fac(k) * fac(n - k);
1886 * @brief is b in view of a?
1893 static int is_in_view (uint32_t a, uint32_t b)
1896 for (i = 0; i < rps_peers[a].cur_view_count; i++)
1898 if (0 == memcmp (rps_peers[b].peer_id,
1899 &rps_peers[a].cur_view[i],
1900 sizeof (struct GNUNET_PeerIdentity)))
1908 static uint32_t get_idx_of_pid (const struct GNUNET_PeerIdentity *pid)
1912 for (i = 0; i < num_peers; i++)
1914 if (0 == memcmp (pid,
1915 rps_peers[i].peer_id,
1916 sizeof (struct GNUNET_PeerIdentity)))
1921 //return 0; /* Should not happen - make compiler happy */
1922 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1923 "No known _PeerIdentity %s!\n",
1924 GNUNET_i2s_full (pid));
1929 * @brief Counts number of peers in view of a that have b in their view
1936 static uint32_t count_containing_views (uint32_t a, uint32_t b)
1942 for (i = 0; i < rps_peers[a].cur_view_count; i++)
1944 peer_idx = get_idx_of_pid (&rps_peers[a].cur_view[i]);
1945 if (GNUNET_YES == is_in_view (peer_idx, b))
1954 * @brief Computes the probability for each other peer to be selected by the
1955 * sampling process based on the views of all peers
1957 * @param peer_idx index of the peer that is about to sample
1959 static void compute_probabilities (uint32_t peer_idx)
1961 //double probs[num_peers] = { 0 };
1962 double probs[num_peers];
1963 size_t probs_as_str_size = (num_peers * 10 + 1) * sizeof (char);
1964 char *probs_as_str = GNUNET_malloc (probs_as_str_size);
1965 char *probs_as_str_cpy;
1970 uint32_t cont_views;
1971 uint32_t number_of_being_in_pull_events;
1973 uint32_t count_non_zero_prob = 0;
1975 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1976 "Computing probabilities for peer %" PRIu32 "\n", peer_idx);
1977 /* Firstly without knowledge of old views */
1978 for (i = 0; i < num_peers; i++)
1980 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1981 "\tfor peer %" PRIu32 ":\n", i);
1982 view_size = rps_peers[i].cur_view_count;
1983 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1984 "\t\tview_size: %" PRIu32 "\n", view_size);
1985 /* For peer i the probability of being sampled is
1986 * evenly distributed among all possibly observed peers. */
1987 /* We could have observed a peer in three cases:
1988 * 1. peer sent a push
1989 * 2. peer was contained in a pull reply
1990 * 3. peer was in history (sampler) - ignored for now */
1991 /* 1. Probability of having received a push from peer i */
1992 if ((GNUNET_YES == is_in_view (i, peer_idx)) &&
1993 (1 <= (0.45 * view_size)))
1995 prob_push = 1.0 * binom (0.45 * view_size, 1)
1997 binom (view_size, 0.45 * view_size);
1998 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1999 "\t\t%" PRIu32 " is in %" PRIu32 "'s view, prob: %f\n",
2003 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2004 "\t\tposs choices from view: %" PRIu32 ", containing i: %" PRIu32 "\n",
2005 binom (view_size, 0.45 * view_size),
2006 binom (0.45 * view_size, 1));
2009 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2010 "\t\t%" PRIu32 " is not in %" PRIu32 "'s view, prob: 0\n",
2014 /* 2. Probability of peer i being contained in pulls */
2015 view_size = rps_peers[peer_idx].cur_view_count;
2016 cont_views = count_containing_views (peer_idx, i);
2017 number_of_being_in_pull_events =
2018 (binom (view_size, 0.45 * view_size) -
2019 binom (view_size - cont_views, 0.45 * view_size));
2020 if (0 != number_of_being_in_pull_events)
2022 prob_pull = number_of_being_in_pull_events
2024 (1.0 * binom (view_size, 0.45 * view_size));
2029 probs[i] = prob_push + prob_pull - (prob_push * prob_pull);
2030 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2031 "\t\t%" PRIu32 " has %" PRIu32 " of %" PRIu32
2032 " peers in its view who know %" PRIu32 " prob: %f\n",
2038 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2039 "\t\tnumber of possible pull combinations: %" PRIu32 "\n",
2040 binom (view_size, 0.45 * view_size));
2041 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2042 "\t\tnumber of possible pull combinations without %" PRIu32
2045 binom (view_size - cont_views, 0.45 * view_size));
2046 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2047 "\t\tnumber of possible pull combinations with %" PRIu32
2050 number_of_being_in_pull_events);
2052 if (0 != probs[i]) count_non_zero_prob++;
2055 if (0 != count_non_zero_prob)
2057 for (i = 0; i < num_peers; i++)
2059 probs[i] = probs[i] * (1.0 / count_non_zero_prob);
2062 for (i = 0; i < num_peers; i++)
2068 for (i = 0; i < num_peers; i++)
2070 probs_as_str_cpy = GNUNET_strndup (probs_as_str, probs_as_str_size);
2071 tmp = GNUNET_snprintf (probs_as_str,
2073 "%s %7.6f", probs_as_str_cpy, probs[i]);
2074 GNUNET_free (probs_as_str_cpy);
2075 GNUNET_assert (0 <= tmp);
2078 to_file_w_len (rps_peers[peer_idx].file_name_probs,
2081 GNUNET_free (probs_as_str);
2085 * @brief This counts the number of peers in which views a given peer occurs.
2087 * It also stores this value in the rps peer.
2089 * @param peer_idx the index of the peer to count the representation
2091 * @return the number of occurrences
2093 static uint32_t count_peer_in_views_2 (uint32_t peer_idx)
2098 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2100 for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2102 if (0 == memcmp (rps_peers[peer_idx].peer_id,
2103 &rps_peers[i].cur_view[j],
2104 sizeof (struct GNUNET_PeerIdentity)))
2111 rps_peers[peer_idx].count_in_views = count;
2115 static uint32_t cumulated_view_sizes ()
2120 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2122 view_sizes += rps_peers[i].cur_view_count;
2127 static void count_peer_in_views (uint32_t *count_peers)
2131 for (i = 0; i < num_peers; i++) /* Peer in which view is counted */
2133 for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */
2135 if (0 == memcmp (rps_peers[i].peer_id,
2136 &rps_peers[i].cur_view[j],
2137 sizeof (struct GNUNET_PeerIdentity)))
2145 void compute_diversity ()
2148 /* ith entry represents the numer of occurrences in other peer's views */
2149 uint32_t *count_peers = GNUNET_new_array (num_peers, uint32_t);
2150 uint32_t views_total_size;
2152 /* deviation from expected number of peers */
2153 double *deviation = GNUNET_new_array (num_peers, double);
2155 views_total_size = 0;
2158 /* For each peer count its representation in other peer's views*/
2159 for (i = 0; i < num_peers; i++) /* Peer to count */
2161 views_total_size += rps_peers[i].cur_view_count;
2162 count_peer_in_views (count_peers);
2163 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2164 "Counted representation of %" PRIu32 "th peer [%s]: %" PRIu32"\n",
2166 GNUNET_i2s (rps_peers[i].peer_id),
2170 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2171 "size of all views combined: %" PRIu32 "\n",
2173 expected = ((double) 1/num_peers) * views_total_size;
2174 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2175 "Expected number of occurrences of each peer in all views: %f\n",
2177 for (i = 0; i < num_peers; i++) /* Peer to count */
2179 deviation[i] = expected - count_peers[i];
2180 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2181 "Deviation from expectation: %f\n", deviation[i]);
2183 GNUNET_free (count_peers);
2184 GNUNET_free (deviation);
2187 void print_view_sizes()
2191 for (i = 0; i < num_peers; i++) /* Peer to count */
2193 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2194 "View size of %" PRIu32 ". [%s] is %" PRIu32 "\n",
2196 GNUNET_i2s (rps_peers[i].peer_id),
2197 rps_peers[i].cur_view_count);
2201 void all_views_updated_cb()
2203 compute_diversity();
2207 void view_update_cb (void *cls,
2209 const struct GNUNET_PeerIdentity *peers)
2211 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2212 "View was updated (%" PRIu64 ")\n", view_size);
2213 struct RPSPeer *rps_peer = (struct RPSPeer *) cls;
2214 to_file ("/tmp/rps/view_sizes.txt",
2215 "%" PRIu64 " %" PRIu32 "",
2218 for (int i = 0; i < view_size; i++)
2220 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2221 "\t%s\n", GNUNET_i2s (&peers[i]));
2223 GNUNET_array_grow (rps_peer->cur_view,
2224 rps_peer->cur_view_count,
2226 //*rps_peer->cur_view = *peers;
2227 GNUNET_memcpy (rps_peer->cur_view,
2229 view_size * sizeof (struct GNUNET_PeerIdentity));
2230 to_file ("/tmp/rps/count_in_views.txt",
2231 "%" PRIu64 " %" PRIu32 "",
2233 count_peer_in_views_2 (rps_peer->index));
2234 cumulated_view_sizes();
2237 to_file ("/tmp/rps/repr.txt",
2238 "%" PRIu64 /* index */
2239 " %" PRIu32 /* occurrence in views */
2240 " %" PRIu32 /* view sizes */
2241 " %f" /* fraction of repr in views */
2242 " %f" /* average view size */
2243 " %f" /* prob of occurrence in view slot */
2244 " %f" "", /* exp frac of repr in views */
2246 count_peer_in_views_2 (rps_peer->index),
2248 count_peer_in_views_2 (rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */
2249 view_sizes / (view_size * 1.0), /* average view size */
2250 1.0 /view_size, /* prob of occurrence in view slot */
2251 (1.0/view_size) * (view_sizes/view_size) /* expected fraction of repr in views */
2254 compute_probabilities (rps_peer->index);
2255 all_views_updated_cb();
2259 pre_profiler (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
2261 rps_peer->file_name_probs =
2262 store_prefix_file_name (rps_peer->peer_id, "probs");
2263 GNUNET_RPS_view_request (h, 0, view_update_cb, rps_peer);
2266 void write_final_stats (void){
2269 for (i = 0; i < num_peers; i++)
2271 to_file ("/tmp/rps/final_stats.dat",
2272 "%" PRIu32 " " /* index */
2274 PRIu64 " %" /* rounds */
2275 PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" /* blocking */
2276 PRIu64 " %" PRIu64 " %" PRIu64 " %" /* issued */
2277 PRIu64 " %" PRIu64 " %" PRIu64 " %" /* sent */
2278 PRIu64 " %" PRIu64 " %" PRIu64 /* recv */,
2280 GNUNET_i2s (rps_peers[i].peer_id),
2281 rps_peers[i].num_rounds,
2282 rps_peers[i].num_blocks,
2283 rps_peers[i].num_blocks_many_push,
2284 rps_peers[i].num_blocks_no_push,
2285 rps_peers[i].num_blocks_no_pull,
2286 rps_peers[i].num_blocks_many_push_no_pull,
2287 rps_peers[i].num_blocks_no_push_no_pull,
2288 rps_peers[i].num_issued_push,
2289 rps_peers[i].num_issued_pull_req,
2290 rps_peers[i].num_issued_pull_rep,
2291 rps_peers[i].num_sent_push,
2292 rps_peers[i].num_sent_pull_req,
2293 rps_peers[i].num_sent_pull_rep,
2294 rps_peers[i].num_recv_push,
2295 rps_peers[i].num_recv_pull_req,
2296 rps_peers[i].num_recv_pull_rep);
2301 * Continuation called by #GNUNET_STATISTICS_get() functions.
2303 * Remembers that this specific statistics value was received for this peer.
2304 * Checks whether all peers received their statistics yet.
2305 * Issues the shutdown.
2307 * @param cls closure
2308 * @param success #GNUNET_OK if statistics were
2309 * successfully obtained, #GNUNET_SYSERR if not.
2312 post_test_shutdown_ready_cb (void *cls,
2315 struct STATcls *stat_cls = (struct STATcls *) cls;
2316 struct RPSPeer *rps_peer = stat_cls->rps_peer;
2317 if (GNUNET_OK == success)
2319 /* set flag that we we got the value */
2320 rps_peer->stat_collected_flags |= stat_cls->stat_type;
2322 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
2323 "Peer %u did not receive statistics value\n",
2325 GNUNET_free (stat_cls);
2329 if (NULL != rps_peer->stat_op &&
2330 GNUNET_YES == check_statistics_collect_completed_single_peer (rps_peer))
2332 GNUNET_TESTBED_operation_done (rps_peer->stat_op);
2335 write_final_stats ();
2336 if (GNUNET_YES == check_statistics_collect_completed())
2338 //write_final_stats ();
2339 GNUNET_free (stat_cls);
2340 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2342 GNUNET_SCHEDULER_shutdown ();
2344 GNUNET_free (stat_cls);
2349 * @brief Converts string representation to the corresponding #STAT_TYPE enum.
2351 * @param stat_str string representation of statistics specifier
2353 * @return corresponding enum
2355 enum STAT_TYPE stat_str_2_type (const char *stat_str)
2357 if (0 == strncmp ("# rounds blocked - no pull replies", stat_str, strlen ("# rounds blocked - no pull replies")))
2359 return STAT_TYPE_BLOCKS_NO_PULL;
2361 else if (0 == strncmp ("# rounds blocked - too many pushes, no pull replies", stat_str, strlen ("# rounds blocked - too many pushes, no pull replies")))
2363 return STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL;
2365 else if (0 == strncmp ("# rounds blocked - too many pushes", stat_str, strlen ("# rounds blocked - too many pushes")))
2367 return STAT_TYPE_BLOCKS_MANY_PUSH;
2369 else if (0 == strncmp ("# rounds blocked - no pushes, no pull replies", stat_str, strlen ("# rounds blocked - no pushes, no pull replies")))
2371 return STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL;
2373 else if (0 == strncmp ("# rounds blocked - no pushes", stat_str, strlen ("# rounds blocked - no pushes")))
2375 return STAT_TYPE_BLOCKS_NO_PUSH;
2377 else if (0 == strncmp ("# rounds blocked", stat_str, strlen ("# rounds blocked")))
2379 return STAT_TYPE_BLOCKS;
2381 else if (0 == strncmp ("# rounds", stat_str, strlen ("# rounds")))
2383 return STAT_TYPE_ROUNDS;
2385 else if (0 == strncmp ("# push send issued", stat_str, strlen ("# push send issued")))
2387 return STAT_TYPE_ISSUED_PUSH_SEND;
2389 else if (0 == strncmp ("# pull request send issued", stat_str, strlen ("# pull request send issued")))
2391 return STAT_TYPE_ISSUED_PULL_REQ;
2393 else if (0 == strncmp ("# pull reply send issued", stat_str, strlen ("# pull reply send issued")))
2395 return STAT_TYPE_ISSUED_PULL_REP;
2397 else if (0 == strncmp ("# pushes sent", stat_str, strlen ("# pushes sent")))
2399 return STAT_TYPE_SENT_PUSH_SEND;
2401 else if (0 == strncmp ("# pull requests sent", stat_str, strlen ("# pull requests sent")))
2403 return STAT_TYPE_SENT_PULL_REQ;
2405 else if (0 == strncmp ("# pull replys sent", stat_str, strlen ("# pull replys sent")))
2407 return STAT_TYPE_SENT_PULL_REP;
2409 else if (0 == strncmp ("# push message received", stat_str, strlen ("# push message received")))
2411 return STAT_TYPE_RECV_PUSH_SEND;
2413 else if (0 == strncmp ("# pull request message received", stat_str, strlen ("# pull request message received")))
2415 return STAT_TYPE_RECV_PULL_REQ;
2417 else if (0 == strncmp ("# pull reply messages received", stat_str, strlen ("# pull reply messages received")))
2419 return STAT_TYPE_RECV_PULL_REP;
2421 return STAT_TYPE_MAX;
2426 * @brief Converts #STAT_TYPE enum to the equivalent string representation that
2427 * is stored with the statistics service.
2429 * @param stat_type #STAT_TYPE enum
2431 * @return string representation that matches statistics value
2433 char* stat_type_2_str (enum STAT_TYPE stat_type)
2437 case STAT_TYPE_ROUNDS:
2439 case STAT_TYPE_BLOCKS:
2440 return "# rounds blocked";
2441 case STAT_TYPE_BLOCKS_MANY_PUSH:
2442 return "# rounds blocked - too many pushes";
2443 case STAT_TYPE_BLOCKS_NO_PUSH:
2444 return "# rounds blocked - no pushes";
2445 case STAT_TYPE_BLOCKS_NO_PULL:
2446 return "# rounds blocked - no pull replies";
2447 case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
2448 return "# rounds blocked - too many pushes, no pull replies";
2449 case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
2450 return "# rounds blocked - no pushes, no pull replies";
2451 case STAT_TYPE_ISSUED_PUSH_SEND:
2452 return "# push send issued";
2453 case STAT_TYPE_ISSUED_PULL_REQ:
2454 return "# pull request send issued";
2455 case STAT_TYPE_ISSUED_PULL_REP:
2456 return "# pull reply send issued";
2457 case STAT_TYPE_SENT_PUSH_SEND:
2458 return "# pushes sent";
2459 case STAT_TYPE_SENT_PULL_REQ:
2460 return "# pull requests sent";
2461 case STAT_TYPE_SENT_PULL_REP:
2462 return "# pull replys sent";
2463 case STAT_TYPE_RECV_PUSH_SEND:
2464 return "# push message received";
2465 case STAT_TYPE_RECV_PULL_REQ:
2466 return "# pull request message received";
2467 case STAT_TYPE_RECV_PULL_REP:
2468 return "# pull reply messages received";
2477 * Callback function to process statistic values.
2479 * @param cls closure
2480 * @param subsystem name of subsystem that created the statistic
2481 * @param name the name of the datum
2482 * @param value the current value
2483 * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
2484 * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
2487 stat_iterator (void *cls,
2488 const char *subsystem,
2493 const struct STATcls *stat_cls = (const struct STATcls *) cls;
2494 struct RPSPeer *rps_peer = (struct RPSPeer *) stat_cls->rps_peer;
2495 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got stat value: %s - %" PRIu64 "\n",
2496 //stat_type_2_str (stat_cls->stat_type),
2499 to_file (rps_peer->file_name_stats,
2500 "%s: %" PRIu64 "\n",
2503 switch (stat_str_2_type (name))
2505 case STAT_TYPE_ROUNDS:
2506 rps_peer->num_rounds = value;
2508 case STAT_TYPE_BLOCKS:
2509 rps_peer->num_blocks = value;
2511 case STAT_TYPE_BLOCKS_MANY_PUSH:
2512 rps_peer->num_blocks_many_push = value;
2514 case STAT_TYPE_BLOCKS_NO_PUSH:
2515 rps_peer->num_blocks_no_push = value;
2517 case STAT_TYPE_BLOCKS_NO_PULL:
2518 rps_peer->num_blocks_no_pull = value;
2520 case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL:
2521 rps_peer->num_blocks_many_push_no_pull = value;
2523 case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL:
2524 rps_peer->num_blocks_no_push_no_pull = value;
2526 case STAT_TYPE_ISSUED_PUSH_SEND:
2527 rps_peer->num_issued_push = value;
2529 case STAT_TYPE_ISSUED_PULL_REQ:
2530 rps_peer->num_issued_pull_req = value;
2532 case STAT_TYPE_ISSUED_PULL_REP:
2533 rps_peer->num_issued_pull_rep = value;
2535 case STAT_TYPE_SENT_PUSH_SEND:
2536 rps_peer->num_sent_push = value;
2538 case STAT_TYPE_SENT_PULL_REQ:
2539 rps_peer->num_sent_pull_req = value;
2541 case STAT_TYPE_SENT_PULL_REP:
2542 rps_peer->num_sent_pull_rep = value;
2544 case STAT_TYPE_RECV_PUSH_SEND:
2545 rps_peer->num_recv_push = value;
2547 case STAT_TYPE_RECV_PULL_REQ:
2548 rps_peer->num_recv_pull_req = value;
2550 case STAT_TYPE_RECV_PULL_REP:
2551 rps_peer->num_recv_pull_rep = value;
2555 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2556 "Unknown statistics string: %s\n",
2563 void post_profiler (struct RPSPeer *rps_peer)
2565 if (COLLECT_STATISTICS != cur_test_run.have_collect_statistics)
2570 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2571 "Going to request statistic values with mask 0x%" PRIx32 "\n",
2572 cur_test_run.stat_collect_flags);
2574 struct STATcls *stat_cls;
2576 for (stat_type = STAT_TYPE_ROUNDS;
2577 stat_type < STAT_TYPE_MAX;
2578 stat_type = stat_type <<1)
2580 if (stat_type & cur_test_run.stat_collect_flags)
2582 stat_cls = GNUNET_malloc (sizeof (struct STATcls));
2583 stat_cls->rps_peer = rps_peer;
2584 stat_cls->stat_type = stat_type;
2585 rps_peer->file_name_stats =
2586 store_prefix_file_name (rps_peer->peer_id, "stats");
2587 GNUNET_STATISTICS_get (rps_peer->stats_h,
2589 stat_type_2_str (stat_type),
2590 post_test_shutdown_ready_cb,
2592 (struct STATcls *) stat_cls);
2593 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
2594 "Requested statistics for %s (peer %" PRIu32 ")\n",
2595 stat_type_2_str (stat_type),
2602 /***********************************************************************
2603 * /Definition of tests
2604 ***********************************************************************/
2608 * Actual "main" function for the testcase.
2610 * @param cls closure
2611 * @param h the run handle
2612 * @param n_peers number of peers in 'peers'
2613 * @param peers handle to peers run in the testbed
2614 * @param links_succeeded the number of overlay link connection attempts that
2616 * @param links_failed the number of overlay link connection attempts that
2621 struct GNUNET_TESTBED_RunHandle *h,
2622 unsigned int n_peers,
2623 struct GNUNET_TESTBED_Peer **peers,
2624 unsigned int links_succeeded,
2625 unsigned int links_failed)
2628 struct OpListEntry *entry;
2630 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "RUN was called\n");
2632 /* Check whether we timed out */
2633 if (n_peers != num_peers ||
2635 0 == links_succeeded)
2637 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Going down due to args (eg. timeout)\n");
2638 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tn_peers: %u\n", n_peers);
2639 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tnum_peers: %" PRIu32 "\n", num_peers);
2640 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tpeers: %p\n", peers);
2641 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tlinks_succeeded: %u\n", links_succeeded);
2642 GNUNET_SCHEDULER_shutdown ();
2647 /* Initialize peers */
2648 testbed_peers = peers;
2649 num_peers_online = 0;
2650 for (i = 0; i < num_peers; i++)
2652 entry = make_oplist_entry ();
2654 rps_peers[i].index = i;
2655 if (NULL != cur_test_run.init_peer)
2656 cur_test_run.init_peer (&rps_peers[i]);
2657 if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
2659 rps_peers->cur_view_count = 0;
2660 rps_peers->cur_view = NULL;
2662 entry->op = GNUNET_TESTBED_peer_get_information (peers[i],
2663 GNUNET_TESTBED_PIT_IDENTITY,
2668 /* Bring peers up */
2669 GNUNET_assert (num_peers == n_peers);
2670 for (i = 0; i < n_peers; i++)
2672 rps_peers[i].index = i;
2674 GNUNET_TESTBED_service_connect (&rps_peers[i],
2677 &rps_connect_complete_cb,
2679 &rps_connect_adapter,
2680 &rps_disconnect_adapter,
2682 /* Connect all peers to statistics service */
2683 if (COLLECT_STATISTICS == cur_test_run.have_collect_statistics)
2685 rps_peers[i].stat_op =
2686 GNUNET_TESTBED_service_connect (NULL,
2691 &stat_connect_adapter,
2692 &stat_disconnect_adapter,
2697 if (NULL != churn_task)
2698 GNUNET_SCHEDULER_cancel (churn_task);
2699 post_test_task = GNUNET_SCHEDULER_add_delayed (timeout, &post_test_op, NULL);
2700 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
2701 (timeout_s * 1.2) + 0.1 * num_peers);
2702 shutdown_task = GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL);
2703 shutdown_task = GNUNET_SCHEDULER_add_shutdown (shutdown_op, NULL);
2709 * Entry point for the testcase, sets up the testbed.
2711 * @param argc unused
2712 * @param argv unused
2713 * @return 0 on success
2716 main (int argc, char *argv[])
2720 /* Defaults for tests */
2722 cur_test_run.name = "test-rps-default";
2723 cur_test_run.init_peer = default_init_peer;
2724 cur_test_run.pre_test = NULL;
2725 cur_test_run.reply_handle = default_reply_handle;
2726 cur_test_run.eval_cb = default_eval_cb;
2727 cur_test_run.post_test = NULL;
2728 cur_test_run.have_churn = HAVE_CHURN;
2729 cur_test_run.have_collect_statistics = NO_COLLECT_STATISTICS;
2730 cur_test_run.stat_collect_flags = 0;
2731 cur_test_run.have_collect_view = NO_COLLECT_VIEW;
2735 if (strstr (argv[0], "malicious") != NULL)
2737 cur_test_run.pre_test = mal_pre;
2738 cur_test_run.main_test = mal_cb;
2739 cur_test_run.init_peer = mal_init_peer;
2741 if (strstr (argv[0], "_1") != NULL)
2743 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 1\n");
2744 cur_test_run.name = "test-rps-malicious_1";
2747 else if (strstr (argv[0], "_2") != NULL)
2749 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 2\n");
2750 cur_test_run.name = "test-rps-malicious_2";
2753 else if (strstr (argv[0], "_3") != NULL)
2755 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 3\n");
2756 cur_test_run.name = "test-rps-malicious_3";
2761 else if (strstr (argv[0], "_single_req") != NULL)
2763 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Test single request\n");
2764 cur_test_run.name = "test-rps-single-req";
2765 cur_test_run.main_test = single_req_cb;
2766 cur_test_run.have_churn = HAVE_NO_CHURN;
2769 else if (strstr (argv[0], "_delayed_reqs") != NULL)
2771 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test delayed requests\n");
2772 cur_test_run.name = "test-rps-delayed-reqs";
2773 cur_test_run.main_test = delay_req_cb;
2774 cur_test_run.have_churn = HAVE_NO_CHURN;
2777 else if (strstr (argv[0], "_seed_big") != NULL)
2779 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding (num_peers > GNUNET_MAX_MESSAGE_SIZE)\n");
2781 cur_test_run.name = "test-rps-seed-big";
2782 cur_test_run.main_test = seed_big_cb;
2783 cur_test_run.eval_cb = no_eval;
2784 cur_test_run.have_churn = HAVE_NO_CHURN;
2788 else if (strstr (argv[0], "_single_peer_seed") != NULL)
2790 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on a single peer\n");
2791 cur_test_run.name = "test-rps-single-peer-seed";
2792 cur_test_run.main_test = single_peer_seed_cb;
2793 cur_test_run.have_churn = HAVE_NO_CHURN;
2796 else if (strstr (argv[0], "_seed_request") != NULL)
2798 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on multiple peers\n");
2799 cur_test_run.name = "test-rps-seed-request";
2800 cur_test_run.main_test = seed_req_cb;
2801 cur_test_run.have_churn = HAVE_NO_CHURN;
2804 else if (strstr (argv[0], "_seed") != NULL)
2806 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding\n");
2807 cur_test_run.name = "test-rps-seed";
2808 cur_test_run.main_test = seed_cb;
2809 cur_test_run.eval_cb = no_eval;
2810 cur_test_run.have_churn = HAVE_NO_CHURN;
2813 else if (strstr (argv[0], "_req_cancel") != NULL)
2815 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test cancelling a request\n");
2816 cur_test_run.name = "test-rps-req-cancel";
2818 cur_test_run.main_test = req_cancel_cb;
2819 cur_test_run.eval_cb = no_eval;
2820 cur_test_run.have_churn = HAVE_NO_CHURN;
2824 else if (strstr (argv[0], "_churn") != NULL)
2826 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test churn\n");
2827 cur_test_run.name = "test-rps-churn";
2829 cur_test_run.init_peer = default_init_peer;
2830 cur_test_run.main_test = churn_test_cb;
2831 cur_test_run.reply_handle = default_reply_handle;
2832 cur_test_run.eval_cb = default_eval_cb;
2833 cur_test_run.have_churn = HAVE_NO_CHURN;
2834 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
2838 else if (strstr (argv[0], "profiler") != NULL)
2840 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n");
2841 cur_test_run.name = "test-rps-profiler";
2844 cur_test_run.init_peer = profiler_init_peer;
2845 //cur_test_run.pre_test = mal_pre;
2846 cur_test_run.pre_test = pre_profiler;
2847 cur_test_run.main_test = profiler_cb;
2848 cur_test_run.reply_handle = profiler_reply_handle;
2849 cur_test_run.eval_cb = profiler_eval;
2850 cur_test_run.post_test = post_profiler;
2851 cur_test_run.request_interval = 2;
2852 cur_test_run.num_requests = 5;
2853 //cur_test_run.have_churn = HAVE_CHURN;
2854 cur_test_run.have_churn = HAVE_NO_CHURN;
2855 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
2856 cur_test_run.have_collect_statistics = COLLECT_STATISTICS;
2857 cur_test_run.stat_collect_flags = STAT_TYPE_ROUNDS |
2859 STAT_TYPE_BLOCKS_MANY_PUSH |
2860 STAT_TYPE_BLOCKS_NO_PUSH |
2861 STAT_TYPE_BLOCKS_NO_PULL |
2862 STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL |
2863 STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL |
2864 STAT_TYPE_ISSUED_PUSH_SEND |
2865 STAT_TYPE_ISSUED_PULL_REQ |
2866 STAT_TYPE_ISSUED_PULL_REP |
2867 STAT_TYPE_SENT_PUSH_SEND |
2868 STAT_TYPE_SENT_PULL_REQ |
2869 STAT_TYPE_SENT_PULL_REP |
2870 STAT_TYPE_RECV_PUSH_SEND |
2871 STAT_TYPE_RECV_PULL_REQ |
2872 STAT_TYPE_RECV_PULL_REP;
2873 cur_test_run.have_collect_view = COLLECT_VIEW;
2876 /* 'Clean' directory */
2877 (void) GNUNET_DISK_directory_remove ("/tmp/rps/");
2878 GNUNET_DISK_directory_create ("/tmp/rps/");
2880 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_s);
2882 rps_peers = GNUNET_new_array (num_peers, struct RPSPeer);
2883 peer_map = GNUNET_CONTAINER_multipeermap_create (num_peers, GNUNET_NO);
2884 rps_peer_ids = GNUNET_new_array (num_peers, struct GNUNET_PeerIdentity);
2885 if ( (2 == mal_type) ||
2887 target_peer = &rps_peer_ids[num_peers - 2];
2888 if (profiler_eval == cur_test_run.eval_cb)
2889 eval_peer = &rps_peers[num_peers - 1]; /* FIXME: eval_peer could be a
2890 malicious peer if not careful
2891 with the malicious portion */
2894 ret_value = GNUNET_TESTBED_test_run (cur_test_run.name,
2899 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2900 "_test_run returned.\n");
2901 if (GNUNET_OK != ret_value)
2903 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2904 "Test did not run successfully!\n");
2907 ret_value = cur_test_run.eval_cb();
2908 if (NO_COLLECT_VIEW == cur_test_run.have_collect_view)
2910 GNUNET_array_grow (rps_peers->cur_view,
2911 rps_peers->cur_view_count,
2914 GNUNET_free (rps_peers);
2915 GNUNET_free (rps_peer_ids);
2916 GNUNET_CONTAINER_multipeermap_destroy (peer_map);
2920 /* end of test_rps.c */