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13 General Public License for more details.
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21 * @file rps/test_rps.c
22 * @brief Testcase for the random peer sampling service. Starts
23 * a peergroup with a given number of peers, then waits to
24 * receive size pushes/pulls from each peer. Expects to wait
25 * for one message from each peer.
28 #include "gnunet_util_lib.h"
29 #include "gnunet_testbed_service.h"
31 #include "gnunet_rps_service.h"
32 #include "rps-test_util.h"
33 #include "gnunet-service-rps_sampler_elem.h"
39 * How many peers do we start?
41 static uint32_t num_peers;
44 * How long do we run the test?
46 //#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
47 static struct GNUNET_TIME_Relative timeout;
51 * Portion of malicious peers
53 static double portion = .1;
56 * Type of malicious peer to test
58 static unsigned int mal_type = 0;
61 * Handles to all of the running peers
63 static struct GNUNET_TESTBED_Peer **testbed_peers;
66 * @brief Indicates whether peer should go off- or online
68 enum PEER_ONLINE_DELTA {
70 * @brief Indicates peer going online
74 * @brief Indicates peer going offline
87 struct OpListEntry *next;
92 struct OpListEntry *prev;
95 * The testbed operation
97 struct GNUNET_TESTBED_Operation *op;
100 * Depending on whether we start or stop RPS service at the peer, set this to
101 * #PEER_GO_ONLINE (1) or #PEER_GO_OFFLINE (-1)
103 enum PEER_ONLINE_DELTA delta;
106 * Index of the regarding peer
114 static struct OpListEntry *oplist_head;
119 static struct OpListEntry *oplist_tail;
123 * A pending reply: A request was sent and the reply is pending.
130 struct PendingReply *next;
131 struct PendingReply *prev;
134 * Handle to the request we are waiting for
136 struct GNUNET_RPS_Request_Handle *req_handle;
139 * The peer that requested
141 struct RPSPeer *rps_peer;
146 * A pending request: A request was not made yet but is scheduled for later.
148 struct PendingRequest
153 struct PendingRequest *next;
154 struct PendingRequest *prev;
157 * Handle to the request we are waiting for
159 struct GNUNET_SCHEDULER_Task *request_task;
162 * The peer that requested
164 struct RPSPeer *rps_peer;
169 * Information we track for each peer.
179 * Handle for RPS connect operation.
181 struct GNUNET_TESTBED_Operation *op;
184 * Handle to RPS service.
186 struct GNUNET_RPS_Handle *rps_handle;
191 struct GNUNET_PeerIdentity *peer_id;
194 * A request handle to check for an request
196 //struct GNUNET_RPS_Request_Handle *req_handle;
199 * Peer on- or offline?
204 * Number of Peer IDs to request during the whole test
206 unsigned int num_ids_to_request;
209 * Pending requests DLL
211 struct PendingRequest *pending_req_head;
212 struct PendingRequest *pending_req_tail;
215 * Number of pending requests
217 unsigned int num_pending_reqs;
220 * Pending replies DLL
222 struct PendingReply *pending_rep_head;
223 struct PendingReply *pending_rep_tail;
226 * Number of pending replies
228 unsigned int num_pending_reps;
231 * Number of received PeerIDs
233 unsigned int num_recv_ids;
236 * Pending operation on that peer
238 const struct OpListEntry *entry_op_manage;
243 * Information for all the peers.
245 static struct RPSPeer *rps_peers;
248 * Peermap to get the index of a given peer ID quick.
250 static struct GNUNET_CONTAINER_MultiPeerMap *peer_map;
255 static struct GNUNET_PeerIdentity *rps_peer_ids;
258 * ID of the targeted peer.
260 static struct GNUNET_PeerIdentity *target_peer;
263 * ID of the peer that requests for the evaluation.
265 static struct RPSPeer *eval_peer;
268 * Number of online peers.
270 static unsigned int num_peers_online;
273 * Return value from 'main'.
278 * Identifier for the churn task that runs periodically
280 static struct GNUNET_SCHEDULER_Task *shutdown_task;
283 * Identifier for the churn task that runs periodically
285 static struct GNUNET_SCHEDULER_Task *churn_task;
288 * Called to initialise the given RPSPeer
290 typedef void (*InitPeer) (struct RPSPeer *rps_peer);
293 * @brief Called directly after connecting to the service
295 * @param rps_peer Specific peer the function is called on
296 * @param h the handle to the rps service
298 typedef void (*PreTest) (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h);
301 * @brief Executes functions to test the api/service for a given peer
303 * Called from within #rps_connect_complete_cb ()
304 * Implemented by #churn_test_cb, #profiler_cb, #mal_cb, #single_req_cb,
305 * #delay_req_cb, #seed_big_cb, #single_peer_seed_cb, #seed_cb, #req_cancel_cb
307 * @param rps_peer the peer the task runs on
309 typedef void (*MainTest) (struct RPSPeer *rps_peer);
312 * Callback called once the requested random peers are available
314 typedef void (*ReplyHandle) (void *cls,
316 const struct GNUNET_PeerIdentity *recv_peers);
319 * Called directly before disconnecting from the service
321 typedef void (*PostTest) (void *cls, struct GNUNET_RPS_Handle *h);
324 * Function called after disconnect to evaluate test success
326 typedef int (*EvaluationCallback) (void);
329 * @brief Do we have Churn?
333 * @brief If we have churn this is set
337 * @brief If we have no churn this is set
343 * @brief Is it ok to quit the test before the timeout?
345 enum OPTION_QUICK_QUIT {
347 * @brief It is ok for the test to quit before the timeout triggers
352 * @brief It is NOT ok for the test to quit before the timeout triggers
358 * Structure to define a single test
368 * Called with a single peer in order to initialise that peer
373 * Called directly after connecting to the service
378 * Main function for each peer
383 * Callback called once the requested peers are available
385 ReplyHandle reply_handle;
388 * Called directly before disconnecting from the service
393 * Function to evaluate the test results
395 EvaluationCallback eval_cb;
400 uint32_t request_interval;
403 * Number of Requests to make.
405 uint32_t num_requests;
408 * Run with (-out) churn
410 enum OPTION_CHURN have_churn;
413 * Quit test before timeout?
415 enum OPTION_QUICK_QUIT have_quick_quit;
419 * Are we shutting down?
421 static int in_shutdown;
424 * Append arguments to file
427 tofile_ (const char *file_name, const char *line)
429 struct GNUNET_DISK_FileHandle *f;
430 /* char output_buffer[512]; */
435 if (NULL == (f = GNUNET_DISK_file_open (file_name,
436 GNUNET_DISK_OPEN_APPEND |
437 GNUNET_DISK_OPEN_WRITE |
438 GNUNET_DISK_OPEN_CREATE,
439 GNUNET_DISK_PERM_USER_READ |
440 GNUNET_DISK_PERM_USER_WRITE |
441 GNUNET_DISK_PERM_GROUP_READ |
442 GNUNET_DISK_PERM_OTHER_READ)))
444 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
445 "Not able to open file %s\n",
449 /* size = GNUNET_snprintf (output_buffer,
450 sizeof (output_buffer),
452 GNUNET_TIME_absolute_get ().abs_value_us,
456 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
457 "Failed to write string to buffer (size: %i)\n",
462 size = strlen (line) * sizeof (char);
464 size2 = GNUNET_DISK_file_write (f, line, size);
467 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
468 "Unable to write to file! (Size: %lu, size2: %lu)\n",
471 if (GNUNET_YES != GNUNET_DISK_file_close (f))
473 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
474 "Unable to close file\n");
479 if (GNUNET_YES != GNUNET_DISK_file_close (f))
481 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
482 "Unable to close file\n");
487 * This function is used to facilitate writing important information to disk
489 #define tofile(file_name, ...) do {\
492 size = GNUNET_snprintf(tmp_buf,sizeof(tmp_buf),__VA_ARGS__);\
494 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,\
495 "Failed to create tmp_buf\n");\
497 tofile_(file_name,tmp_buf);\
502 * Write the ids and their according index in the given array to a file
506 ids_to_file (char *file_name,
507 struct GNUNET_PeerIdentity *peer_ids,
508 unsigned int num_peer_ids)
512 for (i=0 ; i < num_peer_ids ; i++)
517 GNUNET_i2s_full (&peer_ids[i]));
522 * Test the success of a single test
532 for (i = 0; i < num_peers; i++)
534 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
535 "%u. peer [%s] received %u of %u expected peer_ids: %i\n",
537 GNUNET_i2s (rps_peers[i].peer_id),
538 rps_peers[i].num_recv_ids,
539 rps_peers[i].num_ids_to_request,
540 (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids));
541 tmp_ok &= (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids);
543 return tmp_ok? 0 : 1;
548 * Creates an oplist entry and adds it to the oplist DLL
550 static struct OpListEntry *
553 struct OpListEntry *entry;
555 entry = GNUNET_new (struct OpListEntry);
556 GNUNET_CONTAINER_DLL_insert_tail (oplist_head, oplist_tail, entry);
562 * Task run on timeout to shut everything down.
565 shutdown_op (void *cls)
569 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
570 "Shutdown task scheduled, going down.\n");
571 in_shutdown = GNUNET_YES;
572 if (NULL != churn_task)
574 GNUNET_SCHEDULER_cancel (churn_task);
577 for (i = 0; i < num_peers; i++)
578 if (NULL != rps_peers[i].op)
579 GNUNET_TESTBED_operation_done (rps_peers[i].op);
580 GNUNET_SCHEDULER_shutdown ();
588 seed_peers (void *cls)
590 struct RPSPeer *peer = cls;
594 // TODO if malicious don't seed mal peers
595 amount = round (.5 * num_peers);
597 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding peers:\n");
598 for (i = 0 ; i < amount ; i++)
599 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
601 GNUNET_i2s (&rps_peer_ids[i]));
603 GNUNET_RPS_seed_ids (peer->rps_handle, amount, rps_peer_ids);
611 seed_peers_big (void *cls)
613 struct RPSPeer *peer = cls;
614 unsigned int seed_msg_size;
615 uint32_t num_peers_max;
619 seed_msg_size = 8; /* sizeof (struct GNUNET_RPS_CS_SeedMessage) */
620 num_peers_max = (GNUNET_MAX_MESSAGE_SIZE - seed_msg_size) /
621 sizeof (struct GNUNET_PeerIdentity);
622 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
623 "Peers that fit in one seed msg; %u\n",
625 amount = num_peers_max + (0.5 * num_peers_max);
626 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
627 "Seeding many (%u) peers:\n",
629 struct GNUNET_PeerIdentity ids_to_seed[amount];
630 for (i = 0; i < amount; i++)
632 ids_to_seed[i] = *peer->peer_id;
633 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n",
635 GNUNET_i2s (&ids_to_seed[i]));
638 GNUNET_RPS_seed_ids (peer->rps_handle, amount, ids_to_seed);
642 * Get the id of peer i.
645 info_cb (void *cb_cls,
646 struct GNUNET_TESTBED_Operation *op,
647 const struct GNUNET_TESTBED_PeerInformation *pinfo,
650 struct OpListEntry *entry = (struct OpListEntry *) cb_cls;
652 if (GNUNET_YES == in_shutdown)
657 if (NULL == pinfo || NULL != emsg)
659 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Got Error: %s\n", emsg);
660 GNUNET_TESTBED_operation_done (entry->op);
664 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
667 GNUNET_i2s (pinfo->result.id));
669 rps_peer_ids[entry->index] = *(pinfo->result.id);
670 rps_peers[entry->index].peer_id = &rps_peer_ids[entry->index];
672 GNUNET_assert (GNUNET_OK ==
673 GNUNET_CONTAINER_multipeermap_put (peer_map,
674 &rps_peer_ids[entry->index],
675 &rps_peers[entry->index],
676 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
677 tofile ("/tmp/rps/peer_ids",
680 GNUNET_i2s_full (&rps_peer_ids[entry->index]));
682 GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
683 GNUNET_TESTBED_operation_done (entry->op);
689 * Callback to be called when RPS service connect operation is completed
691 * @param cls the callback closure from functions generating an operation
692 * @param op the operation that has been finished
693 * @param ca_result the RPS service handle returned from rps_connect_adapter
694 * @param emsg error message in case the operation has failed; will be NULL if
695 * operation has executed successfully.
698 rps_connect_complete_cb (void *cls,
699 struct GNUNET_TESTBED_Operation *op,
703 struct RPSPeer *rps_peer = cls;
704 struct GNUNET_RPS_Handle *rps = ca_result;
706 if (GNUNET_YES == in_shutdown)
711 rps_peer->rps_handle = rps;
712 rps_peer->online = GNUNET_YES;
715 GNUNET_assert (op == rps_peer->op);
718 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
719 "Failed to connect to RPS service: %s\n",
722 GNUNET_SCHEDULER_shutdown ();
726 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started client successfully\n");
728 cur_test_run.main_test (rps_peer);
733 * Adapter function called to establish a connection to
737 * @param cfg configuration of the peer to connect to; will be available until
738 * GNUNET_TESTBED_operation_done() is called on the operation returned
739 * from GNUNET_TESTBED_service_connect()
740 * @return service handle to return in 'op_result', NULL on error
743 rps_connect_adapter (void *cls,
744 const struct GNUNET_CONFIGURATION_Handle *cfg)
746 struct GNUNET_RPS_Handle *h;
748 h = GNUNET_RPS_connect (cfg);
750 if (NULL != cur_test_run.pre_test)
751 cur_test_run.pre_test (cls, h);
758 * Adapter function called to destroy connection to
762 * @param op_result service handle returned from the connect adapter
765 rps_disconnect_adapter (void *cls,
768 struct RPSPeer *peer = cls;
769 struct GNUNET_RPS_Handle *h = op_result;
770 GNUNET_assert (NULL != peer);
771 GNUNET_RPS_disconnect (h);
772 peer->rps_handle = NULL;
776 /***********************************************************************
777 * Definition of tests
778 ***********************************************************************/
780 // TODO check whether tests can be stopped earlier
782 default_eval_cb (void)
794 * Initialise given RPSPeer
796 static void default_init_peer (struct RPSPeer *rps_peer)
798 rps_peer->num_ids_to_request = 1;
802 * Callback to call on receipt of a reply
805 * @param n number of peers
806 * @param recv_peers the received peers
809 default_reply_handle (void *cls,
811 const struct GNUNET_PeerIdentity *recv_peers)
813 struct RPSPeer *rps_peer;
814 struct PendingReply *pending_rep = (struct PendingReply *) cls;
817 rps_peer = pending_rep->rps_peer;
818 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
819 rps_peer->pending_rep_tail,
821 rps_peer->num_pending_reps--;
822 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
823 "[%s] got %" PRIu64 " peers:\n",
824 GNUNET_i2s (rps_peer->peer_id),
827 for (i = 0; i < n; i++)
829 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
832 GNUNET_i2s (&recv_peers[i]));
834 rps_peer->num_recv_ids++;
837 if (0 == evaluate () && HAVE_QUICK_QUIT == cur_test_run.have_quick_quit)
839 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test succeeded before timeout\n");
840 GNUNET_assert (NULL != shutdown_task);
841 GNUNET_SCHEDULER_cancel (shutdown_task);
842 shutdown_task = GNUNET_SCHEDULER_add_now (&shutdown_op, NULL);
843 GNUNET_assert (NULL!= shutdown_task);
848 * Request random peers.
851 request_peers (void *cls)
853 struct PendingRequest *pending_req = cls;
854 struct RPSPeer *rps_peer;
855 struct PendingReply *pending_rep;
857 if (GNUNET_YES == in_shutdown)
859 rps_peer = pending_req->rps_peer;
860 GNUNET_assert (1 <= rps_peer->num_pending_reqs);
861 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
862 rps_peer->pending_req_tail,
864 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
865 "Requesting one peer\n");
866 pending_rep = GNUNET_new (struct PendingReply);
867 pending_rep->rps_peer = rps_peer;
868 pending_rep->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle,
870 cur_test_run.reply_handle,
872 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_rep_head,
873 rps_peer->pending_rep_tail,
875 rps_peer->num_pending_reps++;
876 rps_peer->num_pending_reqs--;
880 cancel_pending_req (struct PendingRequest *pending_req)
882 struct RPSPeer *rps_peer;
884 rps_peer = pending_req->rps_peer;
885 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head,
886 rps_peer->pending_req_tail,
888 rps_peer->num_pending_reqs--;
889 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
890 "Cancelling pending request\n");
891 GNUNET_SCHEDULER_cancel (pending_req->request_task);
892 GNUNET_free (pending_req);
896 cancel_request (struct PendingReply *pending_rep)
898 struct RPSPeer *rps_peer;
900 rps_peer = pending_rep->rps_peer;
901 GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head,
902 rps_peer->pending_rep_tail,
904 rps_peer->num_pending_reps--;
905 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
906 "Cancelling request\n");
907 GNUNET_RPS_request_cancel (pending_rep->req_handle);
908 GNUNET_free (pending_rep);
915 cancel_request_cb (void *cls)
917 struct RPSPeer *rps_peer = cls;
918 struct PendingReply *pending_rep;
920 if (GNUNET_YES == in_shutdown)
922 pending_rep = rps_peer->pending_rep_head;
923 GNUNET_assert (1 <= rps_peer->num_pending_reps);
924 cancel_request (pending_rep);
929 * Schedule requests for peer @a rps_peer that have neither been scheduled, nor
930 * issued, nor replied
933 schedule_missing_requests (struct RPSPeer *rps_peer)
936 struct PendingRequest *pending_req;
938 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
939 "Scheduling %u - %u missing requests\n",
940 rps_peer->num_ids_to_request,
941 rps_peer->num_pending_reqs + rps_peer->num_pending_reps);
942 GNUNET_assert (rps_peer->num_pending_reqs + rps_peer->num_pending_reps <=
943 rps_peer->num_ids_to_request);
944 for (i = rps_peer->num_pending_reqs + rps_peer->num_pending_reps;
945 i < rps_peer->num_ids_to_request; i++)
947 pending_req = GNUNET_new (struct PendingRequest);
948 pending_req->rps_peer = rps_peer;
949 pending_req->request_task = GNUNET_SCHEDULER_add_delayed (
950 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
951 cur_test_run.request_interval * i),
954 GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_req_head,
955 rps_peer->pending_req_tail,
957 rps_peer->num_pending_reqs++;
962 cancel_pending_req_rep (struct RPSPeer *rps_peer)
964 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
965 "Cancelling all (pending) requests.\n");
966 while (NULL != rps_peer->pending_req_head)
967 cancel_pending_req (rps_peer->pending_req_head);
968 GNUNET_assert (0 == rps_peer->num_pending_reqs);
969 while (NULL != rps_peer->pending_rep_head)
970 cancel_request (rps_peer->pending_rep_head);
971 GNUNET_assert (0 == rps_peer->num_pending_reps);
974 /***********************************
976 ***********************************/
979 * Initialise only non-mal RPSPeers
981 static void mal_init_peer (struct RPSPeer *rps_peer)
983 if (rps_peer->index >= round (portion * num_peers))
984 rps_peer->num_ids_to_request = 1;
989 * @brief Set peers to (non-)malicious before execution
991 * Of signature #PreTest
993 * @param rps_peer the peer to set (non-) malicious
994 * @param h the handle to the service
997 mal_pre (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h)
999 #ifdef ENABLE_MALICIOUS
1000 uint32_t num_mal_peers;
1002 GNUNET_assert ( (1 >= portion) &&
1004 num_mal_peers = round (portion * num_peers);
1006 if (rps_peer->index < num_mal_peers)
1008 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1009 "%u. peer [%s] of %" PRIu32 " malicious peers turning malicious\n",
1011 GNUNET_i2s (rps_peer->peer_id),
1014 GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers,
1015 rps_peer_ids, target_peer);
1017 #endif /* ENABLE_MALICIOUS */
1021 mal_cb (struct RPSPeer *rps_peer)
1023 uint32_t num_mal_peers;
1025 if (GNUNET_YES == in_shutdown)
1030 #ifdef ENABLE_MALICIOUS
1031 GNUNET_assert ( (1 >= portion) &&
1033 num_mal_peers = round (portion * num_peers);
1035 if (rps_peer->index >= num_mal_peers)
1036 { /* It's useless to ask a malicious peer about a random sample -
1037 it's not sampling */
1038 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1039 seed_peers, rps_peer);
1040 schedule_missing_requests (rps_peer);
1042 #endif /* ENABLE_MALICIOUS */
1046 /***********************************
1048 ***********************************/
1050 single_req_cb (struct RPSPeer *rps_peer)
1052 if (GNUNET_YES == in_shutdown)
1057 schedule_missing_requests (rps_peer);
1060 /***********************************
1062 ***********************************/
1064 delay_req_cb (struct RPSPeer *rps_peer)
1066 if (GNUNET_YES == in_shutdown)
1071 schedule_missing_requests (rps_peer);
1074 /***********************************
1076 ***********************************/
1078 seed_cb (struct RPSPeer *rps_peer)
1080 if (GNUNET_YES == in_shutdown)
1085 GNUNET_SCHEDULER_add_delayed (
1086 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10),
1087 seed_peers, rps_peer);
1090 /***********************************
1092 ***********************************/
1094 seed_big_cb (struct RPSPeer *rps_peer)
1096 if (GNUNET_YES == in_shutdown)
1101 // TODO test seeding > GNUNET_MAX_MESSAGE_SIZE peers
1102 GNUNET_SCHEDULER_add_delayed (
1103 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1104 seed_peers_big, rps_peer);
1107 /***********************************
1109 ***********************************/
1111 single_peer_seed_cb (struct RPSPeer *rps_peer)
1116 /***********************************
1118 ***********************************/
1120 seed_req_cb (struct RPSPeer *rps_peer)
1122 if (GNUNET_YES == in_shutdown)
1127 GNUNET_SCHEDULER_add_delayed (
1128 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1129 seed_peers, rps_peer);
1130 schedule_missing_requests (rps_peer);
1133 //TODO start big mal
1135 /***********************************
1137 ***********************************/
1139 req_cancel_cb (struct RPSPeer *rps_peer)
1141 if (GNUNET_YES == in_shutdown)
1146 schedule_missing_requests (rps_peer);
1147 GNUNET_SCHEDULER_add_delayed (
1148 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
1149 (cur_test_run.request_interval + 1)),
1150 cancel_request_cb, rps_peer);
1153 /***********************************
1155 ***********************************/
1161 * @brief Starts churn
1163 * Has signature of #MainTest
1165 * This is not implemented too nicely as this is called for each peer, but we
1166 * only need to call it once. (Yes we check that we only schedule the task
1169 * @param rps_peer The peer it's called for
1172 churn_test_cb (struct RPSPeer *rps_peer)
1174 if (GNUNET_YES == in_shutdown)
1180 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1182 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1183 "Starting churn task\n");
1184 churn_task = GNUNET_SCHEDULER_add_delayed (
1185 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1189 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1190 "Not starting churn task\n");
1193 schedule_missing_requests (rps_peer);
1196 /***********************************
1198 ***********************************/
1201 * Callback to be called when RPS service is started or stopped at peers
1204 * @param op the operation handle
1205 * @param emsg NULL on success; otherwise an error description
1208 churn_cb (void *cls,
1209 struct GNUNET_TESTBED_Operation *op,
1213 struct OpListEntry *entry = cls;
1215 if (GNUNET_YES == in_shutdown)
1220 GNUNET_TESTBED_operation_done (entry->op);
1223 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n");
1224 GNUNET_SCHEDULER_shutdown ();
1227 GNUNET_assert (0 != entry->delta);
1229 num_peers_online += entry->delta;
1231 if (PEER_GO_OFFLINE == entry->delta)
1232 { /* Peer hopefully just went offline */
1233 if (GNUNET_YES != rps_peers[entry->index].online)
1235 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1236 "peer %s was expected to go offline but is still marked as online\n",
1237 GNUNET_i2s (rps_peers[entry->index].peer_id));
1242 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1243 "peer %s probably went offline as expected\n",
1244 GNUNET_i2s (rps_peers[entry->index].peer_id));
1246 rps_peers[entry->index].online = GNUNET_NO;
1249 else if (PEER_GO_ONLINE < entry->delta)
1250 { /* Peer hopefully just went online */
1251 if (GNUNET_NO != rps_peers[entry->index].online)
1253 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1254 "peer %s was expected to go online but is still marked as offline\n",
1255 GNUNET_i2s (rps_peers[entry->index].peer_id));
1260 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1261 "peer %s probably went online as expected\n",
1262 GNUNET_i2s (rps_peers[entry->index].peer_id));
1263 if (NULL != cur_test_run.pre_test)
1265 cur_test_run.pre_test (&rps_peers[entry->index],
1266 rps_peers[entry->index].rps_handle);
1267 schedule_missing_requests (&rps_peers[entry->index]);
1270 rps_peers[entry->index].online = GNUNET_YES;
1274 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
1275 "Invalid value for delta: %i\n", entry->delta);
1279 GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry);
1280 rps_peers[entry->index].entry_op_manage = NULL;
1281 GNUNET_free (entry);
1282 //if (num_peers_in_round[current_round] == peers_running)
1287 * @brief Set the rps-service up or down for a specific peer
1289 * @param i index of action
1290 * @param j index of peer
1291 * @param delta (#PEER_ONLINE_DELTA) down (-1) or up (1)
1292 * @param prob_go_on_off the probability of the action
1295 manage_service_wrapper (unsigned int i, unsigned int j,
1296 enum PEER_ONLINE_DELTA delta,
1297 double prob_go_on_off)
1299 struct OpListEntry *entry;
1302 /* make sure that management operation is not already scheduled */
1303 if (NULL != rps_peers[j].entry_op_manage)
1308 prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
1310 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1311 "%u. selected peer (%u: %s) is %s.\n",
1314 GNUNET_i2s (rps_peers[j].peer_id),
1315 (PEER_GO_ONLINE == delta) ? "online" : "offline");
1316 if (prob < prob_go_on_off * UINT32_MAX)
1318 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1320 GNUNET_i2s (rps_peers[j].peer_id),
1321 (PEER_GO_OFFLINE == delta) ? "offline" : "online");
1323 if (PEER_GO_OFFLINE == delta)
1324 cancel_pending_req_rep (&rps_peers[j]);
1325 entry = make_oplist_entry ();
1326 entry->delta = delta;
1328 entry->op = GNUNET_TESTBED_peer_manage_service (NULL,
1333 (PEER_GO_OFFLINE == delta) ? 0 : 1);
1335 rps_peers[j].entry_op_manage = entry;
1344 double portion_online;
1345 unsigned int *permut;
1346 double prob_go_offline;
1347 double portion_go_online;
1348 double portion_go_offline;
1350 if (GNUNET_YES == in_shutdown)
1354 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1355 "Churn function executing\n");
1357 churn_task = NULL; /* Should be invalid by now */
1359 /* Compute the probability for an online peer to go offline
1361 portion_online = num_peers_online * 1.0 / num_peers;
1362 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1363 "Portion online: %f\n",
1365 portion_go_online = ((1 - portion_online) * .5 * .66);
1366 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1367 "Portion that should go online: %f\n",
1369 portion_go_offline = (portion_online + portion_go_online) - .75;
1370 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1371 "Portion that probably goes offline: %f\n",
1372 portion_go_offline);
1373 prob_go_offline = portion_go_offline / (portion_online * .5);
1374 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1375 "Probability of a selected online peer to go offline: %f\n",
1378 permut = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK,
1379 (unsigned int) num_peers);
1381 /* Go over 50% randomly chosen peers */
1382 for (i = 0; i < .5 * num_peers; i++)
1386 /* If online, shut down with certain probability */
1387 if (GNUNET_YES == rps_peers[j].online)
1389 manage_service_wrapper (i, j, -1, prob_go_offline);
1392 /* If offline, restart with certain probability */
1393 else if (GNUNET_NO == rps_peers[j].online)
1395 manage_service_wrapper (i, j, 1, 0.66);
1399 GNUNET_free (permut);
1401 churn_task = GNUNET_SCHEDULER_add_delayed (
1402 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2),
1409 * Initialise given RPSPeer
1411 static void profiler_init_peer (struct RPSPeer *rps_peer)
1413 if (num_peers - 1 == rps_peer->index)
1414 rps_peer->num_ids_to_request = cur_test_run.num_requests;
1419 * Callback to call on receipt of a reply
1421 * @param cls closure
1422 * @param n number of peers
1423 * @param recv_peers the received peers
1426 profiler_reply_handle (void *cls,
1428 const struct GNUNET_PeerIdentity *recv_peers)
1430 struct RPSPeer *rps_peer;
1431 struct RPSPeer *rcv_rps_peer;
1435 struct PendingReply *pending_rep = (struct PendingReply *) cls;
1437 rps_peer = pending_rep->rps_peer;
1438 file_name = "/tmp/rps/received_ids";
1439 file_name_dh = "/tmp/rps/diehard_input";
1440 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1441 "[%s] got %" PRIu64 " peers:\n",
1442 GNUNET_i2s (rps_peer->peer_id),
1444 for (i = 0; i < n; i++)
1446 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1449 GNUNET_i2s (&recv_peers[i]));
1452 GNUNET_i2s_full (&recv_peers[i]));
1453 rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get (peer_map, &recv_peers[i]);
1454 GNUNET_assert (NULL != rcv_rps_peer);
1455 tofile (file_name_dh,
1457 (uint32_t) rcv_rps_peer->index);
1459 default_reply_handle (cls, n, recv_peers);
1464 profiler_cb (struct RPSPeer *rps_peer)
1466 if (GNUNET_YES == in_shutdown)
1472 if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task)
1474 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1475 "Starting churn task\n");
1476 churn_task = GNUNET_SCHEDULER_add_delayed (
1477 GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5),
1481 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
1482 "Not starting churn task\n");
1485 /* Only request peer ids at one peer.
1486 * (It's the before-last because last one is target of the focussed attack.)
1488 if (eval_peer == rps_peer)
1489 schedule_missing_requests (rps_peer);
1493 * Function called from #profiler_eval with a filename.
1495 * @param cls closure
1496 * @param filename complete filename (absolute path)
1497 * @return #GNUNET_OK to continue to iterate,
1498 * #GNUNET_NO to stop iteration with no error,
1499 * #GNUNET_SYSERR to abort iteration with error!
1502 file_name_cb (void *cls, const char *filename)
1504 if (NULL != strstr (filename, "sampler_el"))
1506 struct RPS_SamplerElement *s_elem;
1507 struct GNUNET_CRYPTO_AuthKey auth_key;
1508 const char *key_char;
1511 key_char = filename + 20; /* Length of "/tmp/rps/sampler_el-" */
1512 tofile (filename, "--------------------------\n");
1514 auth_key = string_to_auth_key (key_char);
1515 s_elem = RPS_sampler_elem_create ();
1516 RPS_sampler_elem_set (s_elem, auth_key);
1518 for (i = 0; i < num_peers; i++)
1520 RPS_sampler_elem_next (s_elem, &rps_peer_ids[i]);
1522 RPS_sampler_elem_destroy (s_elem);
1528 * This is run after the test finished.
1530 * Compute all perfect samples.
1533 profiler_eval (void)
1535 /* Compute perfect sample for each sampler element */
1536 if (-1 == GNUNET_DISK_directory_scan ("/tmp/rps/", file_name_cb, NULL))
1538 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n");
1545 /***********************************************************************
1546 * /Definition of tests
1547 ***********************************************************************/
1551 * Actual "main" function for the testcase.
1553 * @param cls closure
1554 * @param h the run handle
1555 * @param n_peers number of peers in 'peers'
1556 * @param peers handle to peers run in the testbed
1557 * @param links_succeeded the number of overlay link connection attempts that
1559 * @param links_failed the number of overlay link connection attempts that
1564 struct GNUNET_TESTBED_RunHandle *h,
1565 unsigned int n_peers,
1566 struct GNUNET_TESTBED_Peer **peers,
1567 unsigned int links_succeeded,
1568 unsigned int links_failed)
1571 struct OpListEntry *entry;
1572 uint32_t num_mal_peers;
1574 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "RUN was called\n");
1576 /* Check whether we timed out */
1577 if (n_peers != num_peers ||
1579 0 == links_succeeded)
1581 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Going down due to args (eg. timeout)\n");
1582 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tn_peers: %u\n", n_peers);
1583 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tnum_peers: %" PRIu32 "\n", num_peers);
1584 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tpeers: %p\n", peers);
1585 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tlinks_succeeded: %u\n", links_succeeded);
1586 GNUNET_SCHEDULER_shutdown ();
1591 /* Initialize peers */
1592 testbed_peers = peers;
1593 num_peers_online = 0;
1594 for (i = 0; i < num_peers; i++)
1596 entry = make_oplist_entry ();
1598 rps_peers[i].index = i;
1599 if (NULL != cur_test_run.init_peer)
1600 cur_test_run.init_peer (&rps_peers[i]);
1601 entry->op = GNUNET_TESTBED_peer_get_information (peers[i],
1602 GNUNET_TESTBED_PIT_IDENTITY,
1607 /* Bring peers up */
1608 num_mal_peers = round (portion * num_peers);
1609 GNUNET_assert (num_peers == n_peers);
1610 for (i = 0; i < n_peers; i++)
1612 rps_peers[i].index = i;
1613 if ( (rps_peers[i].num_recv_ids < rps_peers[i].num_ids_to_request) ||
1614 (i < num_mal_peers) )
1617 GNUNET_TESTBED_service_connect (&rps_peers[i],
1620 &rps_connect_complete_cb,
1622 &rps_connect_adapter,
1623 &rps_disconnect_adapter,
1628 if (NULL != churn_task)
1629 GNUNET_SCHEDULER_cancel (churn_task);
1630 shutdown_task = GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL);
1635 * Entry point for the testcase, sets up the testbed.
1637 * @param argc unused
1638 * @param argv unused
1639 * @return 0 on success
1642 main (int argc, char *argv[])
1647 cur_test_run.name = "test-rps-default";
1648 cur_test_run.init_peer = default_init_peer;
1649 cur_test_run.pre_test = NULL;
1650 cur_test_run.reply_handle = default_reply_handle;
1651 cur_test_run.eval_cb = default_eval_cb;
1652 cur_test_run.have_churn = HAVE_CHURN;
1654 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30);
1656 if (strstr (argv[0], "malicious") != NULL)
1658 cur_test_run.pre_test = mal_pre;
1659 cur_test_run.main_test = mal_cb;
1660 cur_test_run.init_peer = mal_init_peer;
1662 if (strstr (argv[0], "_1") != NULL)
1664 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 1\n");
1665 cur_test_run.name = "test-rps-malicious_1";
1668 else if (strstr (argv[0], "_2") != NULL)
1670 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 2\n");
1671 cur_test_run.name = "test-rps-malicious_2";
1674 else if (strstr (argv[0], "_3") != NULL)
1676 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test malicious peer type 3\n");
1677 cur_test_run.name = "test-rps-malicious_3";
1682 else if (strstr (argv[0], "_single_req") != NULL)
1684 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Test single request\n");
1685 cur_test_run.name = "test-rps-single-req";
1686 cur_test_run.main_test = single_req_cb;
1687 cur_test_run.have_churn = HAVE_NO_CHURN;
1690 else if (strstr (argv[0], "_delayed_reqs") != NULL)
1692 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test delayed requests\n");
1693 cur_test_run.name = "test-rps-delayed-reqs";
1694 cur_test_run.main_test = delay_req_cb;
1695 cur_test_run.have_churn = HAVE_NO_CHURN;
1698 else if (strstr (argv[0], "_seed_big") != NULL)
1700 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding (num_peers > GNUNET_MAX_MESSAGE_SIZE)\n");
1702 cur_test_run.name = "test-rps-seed-big";
1703 cur_test_run.main_test = seed_big_cb;
1704 cur_test_run.eval_cb = no_eval;
1705 cur_test_run.have_churn = HAVE_NO_CHURN;
1706 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
1709 else if (strstr (argv[0], "_single_peer_seed") != NULL)
1711 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on a single peer\n");
1712 cur_test_run.name = "test-rps-single-peer-seed";
1713 cur_test_run.main_test = single_peer_seed_cb;
1714 cur_test_run.have_churn = HAVE_NO_CHURN;
1717 else if (strstr (argv[0], "_seed_request") != NULL)
1719 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding and requesting on multiple peers\n");
1720 cur_test_run.name = "test-rps-seed-request";
1721 cur_test_run.main_test = seed_req_cb;
1722 cur_test_run.have_churn = HAVE_NO_CHURN;
1725 else if (strstr (argv[0], "_seed") != NULL)
1727 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test seeding\n");
1728 cur_test_run.name = "test-rps-seed";
1729 cur_test_run.main_test = seed_cb;
1730 cur_test_run.eval_cb = no_eval;
1731 cur_test_run.have_churn = HAVE_NO_CHURN;
1734 else if (strstr (argv[0], "_req_cancel") != NULL)
1736 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test cancelling a request\n");
1737 cur_test_run.name = "test-rps-req-cancel";
1739 cur_test_run.main_test = req_cancel_cb;
1740 cur_test_run.eval_cb = no_eval;
1741 cur_test_run.have_churn = HAVE_NO_CHURN;
1742 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
1745 else if (strstr (argv[0], "_churn") != NULL)
1747 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test churn\n");
1748 cur_test_run.name = "test-rps-churn";
1750 cur_test_run.init_peer = default_init_peer;
1751 cur_test_run.main_test = churn_test_cb;
1752 cur_test_run.reply_handle = default_reply_handle;
1753 cur_test_run.eval_cb = default_eval_cb;
1754 cur_test_run.have_churn = HAVE_CHURN;
1755 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
1756 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10);
1759 else if (strstr (argv[0], "profiler") != NULL)
1761 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n");
1762 cur_test_run.name = "test-rps-profiler";
1765 cur_test_run.init_peer = profiler_init_peer;
1766 cur_test_run.pre_test = mal_pre;
1767 cur_test_run.main_test = profiler_cb;
1768 cur_test_run.reply_handle = profiler_reply_handle;
1769 cur_test_run.eval_cb = profiler_eval;
1770 cur_test_run.request_interval = 2;
1771 cur_test_run.num_requests = 5;
1772 cur_test_run.have_churn = HAVE_CHURN;
1773 cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT;
1774 timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300);
1776 /* 'Clean' directory */
1777 (void) GNUNET_DISK_directory_remove ("/tmp/rps/");
1778 GNUNET_DISK_directory_create ("/tmp/rps/");
1781 rps_peers = GNUNET_new_array (num_peers, struct RPSPeer);
1782 peer_map = GNUNET_CONTAINER_multipeermap_create (num_peers, GNUNET_NO);
1783 rps_peer_ids = GNUNET_new_array (num_peers, struct GNUNET_PeerIdentity);
1784 if ( (2 == mal_type) ||
1786 target_peer = &rps_peer_ids[num_peers - 2];
1787 if (profiler_eval == cur_test_run.eval_cb)
1788 eval_peer = &rps_peers[num_peers - 1]; /* FIXME: eval_peer could be a
1789 malicious peer if not careful
1790 with the malicious portion */
1793 ret_value = GNUNET_TESTBED_test_run (cur_test_run.name,
1798 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1799 "_test_run returned.\n");
1800 if (GNUNET_OK != ret_value)
1802 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1803 "Test did not run successfully!\n");
1806 ret_value = cur_test_run.eval_cb();
1807 GNUNET_free (rps_peers);
1808 GNUNET_free (rps_peer_ids);
1809 GNUNET_CONTAINER_multipeermap_destroy (peer_map);
1813 /* end of test_rps.c */