/* This file is part of GNUnet. Copyright (C) 2009, 2012 GNUnet e.V. GNUnet is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GNUnet is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. */ /** * @file rps/test_rps.c * @brief Testcase for the random peer sampling service. Starts * a peergroup with a given number of peers, then waits to * receive size pushes/pulls from each peer. Expects to wait * for one message from each peer. */ #include "platform.h" //#include "rps_test_lib.h" #include "gnunet_util_lib.h" #include "gnunet_testbed_service.h" #include "gnunet_rps_service.h" #include "rps-test_util.h" #include "gnunet-service-rps_sampler_elem.h" #include /** * How many peers do we start? */ static uint32_t num_peers; /** * How long do we run the test? * In seconds. */ static uint32_t timeout_s; /** * How long do we run the test? */ //#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30) static struct GNUNET_TIME_Relative timeout; /** * Portion of malicious peers */ static double portion = .1; /** * Type of malicious peer to test */ static unsigned int mal_type = 0; /** * Handles to all of the running peers */ static struct GNUNET_TESTBED_Peer **testbed_peers; /** * @brief Indicates whether peer should go off- or online */ enum PEER_ONLINE_DELTA { /** * @brief Indicates peer going online */ PEER_GO_ONLINE = 1, /** * @brief Indicates peer going offline */ PEER_GO_OFFLINE = -1, }; /** * Operation map entry */ struct OpListEntry { /** * DLL next ptr */ struct OpListEntry *next; /** * DLL prev ptr */ struct OpListEntry *prev; /** * The testbed operation */ struct GNUNET_TESTBED_Operation *op; /** * Depending on whether we start or stop RPS service at the peer, set this to * #PEER_GO_ONLINE (1) or #PEER_GO_OFFLINE (-1) */ enum PEER_ONLINE_DELTA delta; /** * Index of the regarding peer */ unsigned int index; }; /** * OpList DLL head */ static struct OpListEntry *oplist_head; /** * OpList DLL tail */ static struct OpListEntry *oplist_tail; /** * A pending reply: A request was sent and the reply is pending. */ struct PendingReply { /** * DLL next,prev ptr */ struct PendingReply *next; struct PendingReply *prev; /** * Handle to the request we are waiting for */ struct GNUNET_RPS_Request_Handle *req_handle; /** * The peer that requested */ struct RPSPeer *rps_peer; }; /** * A pending request: A request was not made yet but is scheduled for later. */ struct PendingRequest { /** * DLL next,prev ptr */ struct PendingRequest *next; struct PendingRequest *prev; /** * Handle to the request we are waiting for */ struct GNUNET_SCHEDULER_Task *request_task; /** * The peer that requested */ struct RPSPeer *rps_peer; }; /** * Information we track for each peer. */ struct RPSPeer { /** * Index of the peer. */ unsigned int index; /** * Handle for RPS connect operation. */ struct GNUNET_TESTBED_Operation *op; /** * Handle to RPS service. */ struct GNUNET_RPS_Handle *rps_handle; /** * ID of the peer. */ struct GNUNET_PeerIdentity *peer_id; /** * A request handle to check for an request */ //struct GNUNET_RPS_Request_Handle *req_handle; /** * Peer on- or offline? */ int online; /** * Number of Peer IDs to request during the whole test */ unsigned int num_ids_to_request; /** * Pending requests DLL */ struct PendingRequest *pending_req_head; struct PendingRequest *pending_req_tail; /** * Number of pending requests */ unsigned int num_pending_reqs; /** * Pending replies DLL */ struct PendingReply *pending_rep_head; struct PendingReply *pending_rep_tail; /** * Number of pending replies */ unsigned int num_pending_reps; /** * Number of received PeerIDs */ unsigned int num_recv_ids; /** * Pending operation on that peer */ const struct OpListEntry *entry_op_manage; /** * Testbed operation to connect to statistics service */ struct GNUNET_TESTBED_Operation *stat_op; /** * Handle to the statistics service */ struct GNUNET_STATISTICS_Handle *stats_h; /** * @brief flags to indicate which statistics values have been already * collected from the statistics service. * Used to check whether we are able to shutdown. */ uint32_t stat_collected_flags; /** * @brief File name of the file the stats are finally written to */ const char *file_name_stats; /** * @brief File name of the file the stats are finally written to */ const char *file_name_probs; /** * @brief The current view */ struct GNUNET_PeerIdentity *cur_view; /** * @brief Number of peers in the #cur_view. */ uint32_t cur_view_count; /** * @brief Number of occurrences in other peer's view */ uint32_t count_in_views; /** * @brief statistics values */ uint64_t num_rounds; uint64_t num_blocks; uint64_t num_blocks_many_push; uint64_t num_blocks_no_push; uint64_t num_blocks_no_pull; uint64_t num_blocks_many_push_no_pull; uint64_t num_blocks_no_push_no_pull; uint64_t num_issued_push; uint64_t num_issued_pull_req; uint64_t num_issued_pull_rep; uint64_t num_sent_push; uint64_t num_sent_pull_req; uint64_t num_sent_pull_rep; uint64_t num_recv_push; uint64_t num_recv_pull_req; uint64_t num_recv_pull_rep; }; enum STAT_TYPE { STAT_TYPE_ROUNDS = 0x1, /* 1 */ STAT_TYPE_BLOCKS = 0x2, /* 2 */ STAT_TYPE_BLOCKS_MANY_PUSH = 0x4, /* 3 */ STAT_TYPE_BLOCKS_NO_PUSH = 0x8, /* 4 */ STAT_TYPE_BLOCKS_NO_PULL = 0x10, /* 5 */ STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL = 0x20, /* 6 */ STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL = 0x40, /* 7 */ STAT_TYPE_ISSUED_PUSH_SEND = 0x80, /* 8 */ STAT_TYPE_ISSUED_PULL_REQ = 0x100, /* 9 */ STAT_TYPE_ISSUED_PULL_REP = 0x200, /* 10 */ STAT_TYPE_SENT_PUSH_SEND = 0x400, /* 11 */ STAT_TYPE_SENT_PULL_REQ = 0x800, /* 12 */ STAT_TYPE_SENT_PULL_REP = 0x1000, /* 13 */ STAT_TYPE_RECV_PUSH_SEND = 0x2000, /* 14 */ STAT_TYPE_RECV_PULL_REQ = 0x4000, /* 15 */ STAT_TYPE_RECV_PULL_REP = 0x8000, /* 16 */ STAT_TYPE_MAX = 0x80000000, /* 32 */ }; struct STATcls { struct RPSPeer *rps_peer; enum STAT_TYPE stat_type; }; /** * Information for all the peers. */ static struct RPSPeer *rps_peers; /** * Peermap to get the index of a given peer ID quick. */ static struct GNUNET_CONTAINER_MultiPeerMap *peer_map; /** * IDs of the peers. */ static struct GNUNET_PeerIdentity *rps_peer_ids; /** * ID of the targeted peer. */ static struct GNUNET_PeerIdentity *target_peer; /** * ID of the peer that requests for the evaluation. */ static struct RPSPeer *eval_peer; /** * Number of online peers. */ static unsigned int num_peers_online; /** * @brief The added sizes of the peer's views */ static unsigned int view_sizes; /** * Return value from 'main'. */ static int ok; /** * Identifier for the churn task that runs periodically */ static struct GNUNET_SCHEDULER_Task *post_test_task; /** * Identifier for the churn task that runs periodically */ static struct GNUNET_SCHEDULER_Task *shutdown_task; /** * Identifier for the churn task that runs periodically */ static struct GNUNET_SCHEDULER_Task *churn_task; /** * Called to initialise the given RPSPeer */ typedef void (*InitPeer) (struct RPSPeer *rps_peer); /** * @brief Called directly after connecting to the service * * @param rps_peer Specific peer the function is called on * @param h the handle to the rps service */ typedef void (*PreTest) (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h); /** * @brief Executes functions to test the api/service for a given peer * * Called from within #rps_connect_complete_cb () * Implemented by #churn_test_cb, #profiler_cb, #mal_cb, #single_req_cb, * #delay_req_cb, #seed_big_cb, #single_peer_seed_cb, #seed_cb, #req_cancel_cb * * @param rps_peer the peer the task runs on */ typedef void (*MainTest) (struct RPSPeer *rps_peer); /** * Callback called once the requested random peers are available */ typedef void (*ReplyHandle) (void *cls, uint64_t n, const struct GNUNET_PeerIdentity *recv_peers); /** * Called directly before disconnecting from the service */ typedef void (*PostTest) (struct RPSPeer *peer); /** * Function called after disconnect to evaluate test success */ typedef int (*EvaluationCallback) (void); /** * @brief Do we have Churn? */ enum OPTION_CHURN { /** * @brief If we have churn this is set */ HAVE_CHURN, /** * @brief If we have no churn this is set */ HAVE_NO_CHURN, }; /** * @brief Is it ok to quit the test before the timeout? */ enum OPTION_QUICK_QUIT { /** * @brief It is ok for the test to quit before the timeout triggers */ HAVE_QUICK_QUIT, /** * @brief It is NOT ok for the test to quit before the timeout triggers */ HAVE_NO_QUICK_QUIT, }; /** * @brief Do we collect statistics at the end? */ enum OPTION_COLLECT_STATISTICS { /** * @brief We collect statistics at the end */ COLLECT_STATISTICS, /** * @brief We do not collect statistics at the end */ NO_COLLECT_STATISTICS, }; /** * @brief Do we collect views during run? */ enum OPTION_COLLECT_VIEW { /** * @brief We collect view during run */ COLLECT_VIEW, /** * @brief We do not collect the view during run */ NO_COLLECT_VIEW, }; /** * Structure to define a single test */ struct SingleTestRun { /** * Name of the test */ char *name; /** * Called with a single peer in order to initialise that peer */ InitPeer init_peer; /** * Called directly after connecting to the service */ PreTest pre_test; /** * Main function for each peer */ MainTest main_test; /** * Callback called once the requested peers are available */ ReplyHandle reply_handle; /** * Called directly before disconnecting from the service */ PostTest post_test; /** * Function to evaluate the test results */ EvaluationCallback eval_cb; /** * Request interval */ uint32_t request_interval; /** * Number of Requests to make. */ uint32_t num_requests; /** * Run with (-out) churn */ enum OPTION_CHURN have_churn; /** * Quit test before timeout? */ enum OPTION_QUICK_QUIT have_quick_quit; /** * Collect statistics at the end? */ enum OPTION_COLLECT_STATISTICS have_collect_statistics; /** * Collect view during run? */ enum OPTION_COLLECT_VIEW have_collect_view; /** * @brief Mark which values from the statistics service to collect at the end * of the run */ uint32_t stat_collect_flags; } cur_test_run; /** * Did we finish the test? */ static int post_test; /** * Are we shutting down? */ static int in_shutdown; /** * Append arguments to file */ static void tofile_ (const char *file_name, const char *line) { struct GNUNET_DISK_FileHandle *f; /* char output_buffer[512]; */ size_t size; /* int size; */ size_t size2; if (NULL == (f = GNUNET_DISK_file_open (file_name, GNUNET_DISK_OPEN_APPEND | GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE, GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE | GNUNET_DISK_PERM_GROUP_READ | GNUNET_DISK_PERM_OTHER_READ))) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Not able to open file %s\n", file_name); return; } /* size = GNUNET_snprintf (output_buffer, sizeof (output_buffer), "%llu %s\n", GNUNET_TIME_absolute_get ().abs_value_us, line); if (0 > size) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failed to write string to buffer (size: %i)\n", size); return; } */ size = strlen (line) * sizeof (char); size2 = GNUNET_DISK_file_write (f, line, size); if (size != size2) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file! (Size: %lu, size2: %lu)\n", size, size2); if (GNUNET_YES != GNUNET_DISK_file_close (f)) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to close file\n"); } return; } if (GNUNET_YES != GNUNET_DISK_file_close (f)) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to close file\n"); } } /** * This function is used to facilitate writing important information to disk */ #define tofile(file_name, ...) do {\ char tmp_buf[512];\ int size;\ size = GNUNET_snprintf(tmp_buf,sizeof(tmp_buf),__VA_ARGS__);\ if (0 > size)\ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,\ "Failed to create tmp_buf\n");\ else\ tofile_(file_name,tmp_buf);\ } while (0); /** * Write the ids and their according index in the given array to a file * Unused */ /* static void ids_to_file (char *file_name, struct GNUNET_PeerIdentity *peer_ids, unsigned int num_peer_ids) { unsigned int i; for (i=0 ; i < num_peer_ids ; i++) { to_file (file_name, "%u\t%s", i, GNUNET_i2s_full (&peer_ids[i])); } } */ /** * Test the success of a single test */ static int evaluate (void) { unsigned int i; int tmp_ok; tmp_ok = 1; for (i = 0; i < num_peers; i++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u. peer [%s] received %u of %u expected peer_ids: %i\n", i, GNUNET_i2s (rps_peers[i].peer_id), rps_peers[i].num_recv_ids, rps_peers[i].num_ids_to_request, (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids)); tmp_ok &= (rps_peers[i].num_ids_to_request == rps_peers[i].num_recv_ids); } return tmp_ok? 0 : 1; } /** * Creates an oplist entry and adds it to the oplist DLL */ static struct OpListEntry * make_oplist_entry () { struct OpListEntry *entry; entry = GNUNET_new (struct OpListEntry); GNUNET_CONTAINER_DLL_insert_tail (oplist_head, oplist_tail, entry); return entry; } /** * @brief Checks if given peer already received its statistics value from the * statistics service. * * @param rps_peer the peer to check for * * @return #GNUNET_YES if so * #GNUNET_NO otherwise */ static int check_statistics_collect_completed_single_peer ( const struct RPSPeer *rps_peer) { if (cur_test_run.stat_collect_flags != (cur_test_run.stat_collect_flags & rps_peer->stat_collected_flags)) { return GNUNET_NO; } return GNUNET_YES; } /** * @brief Checks if all peers already received their statistics value from the * statistics service. * * @return #GNUNET_YES if so * #GNUNET_NO otherwise */ static int check_statistics_collect_completed () { uint32_t i; for (i = 0; i < num_peers; i++) { if (GNUNET_NO == check_statistics_collect_completed_single_peer (&rps_peers[i])) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "At least Peer %" PRIu32 " did not yet receive all statistics values\n", i); return GNUNET_NO; } } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers received their statistics values\n"); return GNUNET_YES; } /** * Task run on timeout to shut everything down. */ static void shutdown_op (void *cls) { unsigned int i; GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Shutdown task scheduled, going down.\n"); in_shutdown = GNUNET_YES; if (NULL != post_test_task) { GNUNET_SCHEDULER_cancel (post_test_task); } if (NULL != churn_task) { GNUNET_SCHEDULER_cancel (churn_task); churn_task = NULL; } for (i = 0; i < num_peers; i++) { if (NULL != rps_peers[i].rps_handle) { GNUNET_RPS_disconnect (rps_peers[i].rps_handle); } if (NULL != rps_peers[i].op) { GNUNET_TESTBED_operation_done (rps_peers[i].op); } } } /** * Task run on timeout to collect statistics and potentially shut down. */ static void post_test_op (void *cls) { unsigned int i; post_test_task = NULL; post_test = GNUNET_YES; GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Post test task scheduled, going down.\n"); if (NULL != churn_task) { GNUNET_SCHEDULER_cancel (churn_task); churn_task = NULL; } for (i = 0; i < num_peers; i++) { if (NULL != rps_peers[i].op) { GNUNET_TESTBED_operation_done (rps_peers[i].op); rps_peers[i].op = NULL; } if (NULL != cur_test_run.post_test) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Executing post_test for peer %u\n", i); cur_test_run.post_test (&rps_peers[i]); } } /* If we do not collect statistics, shut down directly */ if (NO_COLLECT_STATISTICS == cur_test_run.have_collect_statistics || GNUNET_YES == check_statistics_collect_completed()) { GNUNET_SCHEDULER_shutdown (); } } /** * Seed peers. */ static void seed_peers (void *cls) { struct RPSPeer *peer = cls; unsigned int amount; unsigned int i; // TODO if malicious don't seed mal peers amount = round (.5 * num_peers); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding peers:\n"); for (i = 0 ; i < amount ; i++) GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Seeding %u. peer: %s\n", i, GNUNET_i2s (&rps_peer_ids[i])); GNUNET_RPS_seed_ids (peer->rps_handle, amount, rps_peer_ids); } /** * Get the id of peer i. */ void info_cb (void *cb_cls, struct GNUNET_TESTBED_Operation *op, const struct GNUNET_TESTBED_PeerInformation *pinfo, const char *emsg) { struct OpListEntry *entry = (struct OpListEntry *) cb_cls; if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) { return; } if (NULL == pinfo || NULL != emsg) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Got Error: %s\n", emsg); GNUNET_TESTBED_operation_done (entry->op); return; } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u is %s\n", entry->index, GNUNET_i2s (pinfo->result.id)); rps_peer_ids[entry->index] = *(pinfo->result.id); rps_peers[entry->index].peer_id = &rps_peer_ids[entry->index]; GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multipeermap_put (peer_map, &rps_peer_ids[entry->index], &rps_peers[entry->index], GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY)); tofile ("/tmp/rps/peer_ids", "%u\t%s\n", entry->index, GNUNET_i2s_full (&rps_peer_ids[entry->index])); GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry); GNUNET_TESTBED_operation_done (entry->op); GNUNET_free (entry); } /** * Callback to be called when RPS service connect operation is completed * * @param cls the callback closure from functions generating an operation * @param op the operation that has been finished * @param ca_result the RPS service handle returned from rps_connect_adapter * @param emsg error message in case the operation has failed; will be NULL if * operation has executed successfully. */ static void rps_connect_complete_cb (void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg) { struct RPSPeer *rps_peer = cls; struct GNUNET_RPS_Handle *rps = ca_result; if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) { return; } rps_peer->rps_handle = rps; rps_peer->online = GNUNET_YES; num_peers_online++; GNUNET_assert (op == rps_peer->op); if (NULL != emsg) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to connect to RPS service: %s\n", emsg); ok = 1; GNUNET_SCHEDULER_shutdown (); return; } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started client successfully\n"); cur_test_run.main_test (rps_peer); } /** * Adapter function called to establish a connection to * the RPS service. * * @param cls closure * @param cfg configuration of the peer to connect to; will be available until * GNUNET_TESTBED_operation_done() is called on the operation returned * from GNUNET_TESTBED_service_connect() * @return service handle to return in 'op_result', NULL on error */ static void * rps_connect_adapter (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg) { struct GNUNET_RPS_Handle *h; h = GNUNET_RPS_connect (cfg); if (NULL != cur_test_run.pre_test) cur_test_run.pre_test (cls, h); return h; } /** * Called to open a connection to the peer's statistics * * @param cls peer context * @param cfg configuration of the peer to connect to; will be available until * GNUNET_TESTBED_operation_done() is called on the operation returned * from GNUNET_TESTBED_service_connect() * @return service handle to return in 'op_result', NULL on error */ static void * stat_connect_adapter (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg) { struct RPSPeer *peer = cls; peer->stats_h = GNUNET_STATISTICS_create ("rps-profiler", cfg); return peer->stats_h; } /** * Called to disconnect from peer's statistics service * * @param cls peer context * @param op_result service handle returned from the connect adapter */ static void stat_disconnect_adapter (void *cls, void *op_result) { struct RPSPeer *peer = cls; //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel // (peer->stats_h, "core", "# peers connected", // stat_iterator, peer)); //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch_cancel // (peer->stats_h, "nse", "# peers connected", // stat_iterator, peer)); GNUNET_STATISTICS_destroy (op_result, GNUNET_NO); peer->stats_h = NULL; } /** * Called after successfully opening a connection to a peer's statistics * service; we register statistics monitoring for CORE and NSE here. * * @param cls the callback closure from functions generating an operation * @param op the operation that has been finished * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter() * @param emsg error message in case the operation has failed; will be NULL if * operation has executed successfully. */ static void stat_complete_cb (void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg ) { //struct GNUNET_STATISTICS_Handle *sh = ca_result; //struct RPSPeer *peer = (struct RPSPeer *) cls; if (NULL != emsg) { GNUNET_break (0); return; } //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch // (sh, "core", "# peers connected", // stat_iterator, peer)); //GNUNET_break (GNUNET_OK == GNUNET_STATISTICS_watch // (sh, "nse", "# peers connected", // stat_iterator, peer)); } /** * Adapter function called to destroy connection to * RPS service. * * @param cls closure * @param op_result service handle returned from the connect adapter */ static void rps_disconnect_adapter (void *cls, void *op_result) { struct RPSPeer *peer = cls; struct GNUNET_RPS_Handle *h = op_result; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "disconnect_adapter()\n"); GNUNET_assert (NULL != peer); GNUNET_RPS_disconnect (h); peer->rps_handle = NULL; } /*********************************************************************** * Definition of tests ***********************************************************************/ /** * Callback to call on receipt of a reply * * @param cls closure * @param n number of peers * @param recv_peers the received peers */ static void default_reply_handle (void *cls, uint64_t n, const struct GNUNET_PeerIdentity *recv_peers) { struct RPSPeer *rps_peer; struct PendingReply *pending_rep = (struct PendingReply *) cls; unsigned int i; rps_peer = pending_rep->rps_peer; GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head, rps_peer->pending_rep_tail, pending_rep); rps_peer->num_pending_reps--; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "[%s] got %" PRIu64 " peers:\n", GNUNET_i2s (rps_peer->peer_id), n); for (i = 0; i < n; i++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u: %s\n", i, GNUNET_i2s (&recv_peers[i])); rps_peer->num_recv_ids++; } if (0 == evaluate () && HAVE_QUICK_QUIT == cur_test_run.have_quick_quit) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Test succeeded before timeout\n"); GNUNET_assert (NULL != post_test_task); GNUNET_SCHEDULER_cancel (post_test_task); post_test_task = GNUNET_SCHEDULER_add_now (&post_test_op, NULL); GNUNET_assert (NULL!= post_test_task); } } /** * Request random peers. */ static void request_peers (void *cls) { struct PendingRequest *pending_req = cls; struct RPSPeer *rps_peer; struct PendingReply *pending_rep; if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) return; rps_peer = pending_req->rps_peer; GNUNET_assert (1 <= rps_peer->num_pending_reqs); GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head, rps_peer->pending_req_tail, pending_req); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Requesting one peer\n"); pending_rep = GNUNET_new (struct PendingReply); pending_rep->rps_peer = rps_peer; pending_rep->req_handle = GNUNET_RPS_request_peers (rps_peer->rps_handle, 1, cur_test_run.reply_handle, pending_rep); GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_rep_head, rps_peer->pending_rep_tail, pending_rep); rps_peer->num_pending_reps++; rps_peer->num_pending_reqs--; } static void cancel_pending_req (struct PendingRequest *pending_req) { struct RPSPeer *rps_peer; rps_peer = pending_req->rps_peer; GNUNET_CONTAINER_DLL_remove (rps_peer->pending_req_head, rps_peer->pending_req_tail, pending_req); rps_peer->num_pending_reqs--; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Cancelling pending request\n"); GNUNET_SCHEDULER_cancel (pending_req->request_task); GNUNET_free (pending_req); } static void cancel_request (struct PendingReply *pending_rep) { struct RPSPeer *rps_peer; rps_peer = pending_rep->rps_peer; GNUNET_CONTAINER_DLL_remove (rps_peer->pending_rep_head, rps_peer->pending_rep_tail, pending_rep); rps_peer->num_pending_reps--; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Cancelling request\n"); GNUNET_RPS_request_cancel (pending_rep->req_handle); GNUNET_free (pending_rep); } /** * Schedule requests for peer @a rps_peer that have neither been scheduled, nor * issued, nor replied */ void schedule_missing_requests (struct RPSPeer *rps_peer) { unsigned int i; struct PendingRequest *pending_req; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Scheduling %u - %u missing requests\n", rps_peer->num_ids_to_request, rps_peer->num_pending_reqs + rps_peer->num_pending_reps); GNUNET_assert (rps_peer->num_pending_reqs + rps_peer->num_pending_reps <= rps_peer->num_ids_to_request); for (i = rps_peer->num_pending_reqs + rps_peer->num_pending_reps; i < rps_peer->num_ids_to_request; i++) { pending_req = GNUNET_new (struct PendingRequest); pending_req->rps_peer = rps_peer; pending_req->request_task = GNUNET_SCHEDULER_add_delayed ( GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, cur_test_run.request_interval * i), request_peers, pending_req); GNUNET_CONTAINER_DLL_insert_tail (rps_peer->pending_req_head, rps_peer->pending_req_tail, pending_req); rps_peer->num_pending_reqs++; } } void cancel_pending_req_rep (struct RPSPeer *rps_peer) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Cancelling all (pending) requests.\n"); while (NULL != rps_peer->pending_req_head) cancel_pending_req (rps_peer->pending_req_head); GNUNET_assert (0 == rps_peer->num_pending_reqs); while (NULL != rps_peer->pending_rep_head) cancel_request (rps_peer->pending_rep_head); GNUNET_assert (0 == rps_peer->num_pending_reps); } /*********************************** * MALICIOUS ***********************************/ /** * Initialise only non-mal RPSPeers */ static void mal_init_peer (struct RPSPeer *rps_peer) { if (rps_peer->index >= round (portion * num_peers)) rps_peer->num_ids_to_request = 1; } /** * @brief Set peers to (non-)malicious before execution * * Of signature #PreTest * * @param rps_peer the peer to set (non-) malicious * @param h the handle to the service */ static void mal_pre (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h) { #ifdef ENABLE_MALICIOUS uint32_t num_mal_peers; GNUNET_assert ( (1 >= portion) && (0 < portion) ); num_mal_peers = round (portion * num_peers); if (rps_peer->index < num_mal_peers) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u. peer [%s] of %" PRIu32 " malicious peers turning malicious\n", rps_peer->index, GNUNET_i2s (rps_peer->peer_id), num_mal_peers); GNUNET_RPS_act_malicious (h, mal_type, num_mal_peers, rps_peer_ids, target_peer); } #endif /* ENABLE_MALICIOUS */ } static void mal_cb (struct RPSPeer *rps_peer) { uint32_t num_mal_peers; if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) { return; } #ifdef ENABLE_MALICIOUS GNUNET_assert ( (1 >= portion) && (0 < portion) ); num_mal_peers = round (portion * num_peers); if (rps_peer->index >= num_mal_peers) { /* It's useless to ask a malicious peer about a random sample - it's not sampling */ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2), seed_peers, rps_peer); schedule_missing_requests (rps_peer); } #endif /* ENABLE_MALICIOUS */ } /*********************************** * CHURN ***********************************/ static void churn (void *cls); /** * @brief Starts churn * * Has signature of #MainTest * * This is not implemented too nicely as this is called for each peer, but we * only need to call it once. (Yes we check that we only schedule the task * once.) * * @param rps_peer The peer it's called for */ static void churn_test_cb (struct RPSPeer *rps_peer) { if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) { return; } /* Start churn */ if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting churn task\n"); churn_task = GNUNET_SCHEDULER_add_delayed ( GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5), churn, NULL); } else { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Not starting churn task\n"); } schedule_missing_requests (rps_peer); } /*********************************** * PROFILER ***********************************/ /** * Callback to be called when RPS service is started or stopped at peers * * @param cls NULL * @param op the operation handle * @param emsg NULL on success; otherwise an error description */ static void churn_cb (void *cls, struct GNUNET_TESTBED_Operation *op, const char *emsg) { // FIXME struct OpListEntry *entry = cls; if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) { return; } GNUNET_TESTBED_operation_done (entry->op); if (NULL != emsg) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start/stop RPS at a peer\n"); GNUNET_SCHEDULER_shutdown (); return; } GNUNET_assert (0 != entry->delta); num_peers_online += entry->delta; if (PEER_GO_OFFLINE == entry->delta) { /* Peer hopefully just went offline */ if (GNUNET_YES != rps_peers[entry->index].online) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "peer %s was expected to go offline but is still marked as online\n", GNUNET_i2s (rps_peers[entry->index].peer_id)); GNUNET_break (0); } else { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "peer %s probably went offline as expected\n", GNUNET_i2s (rps_peers[entry->index].peer_id)); } rps_peers[entry->index].online = GNUNET_NO; } else if (PEER_GO_ONLINE < entry->delta) { /* Peer hopefully just went online */ if (GNUNET_NO != rps_peers[entry->index].online) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "peer %s was expected to go online but is still marked as offline\n", GNUNET_i2s (rps_peers[entry->index].peer_id)); GNUNET_break (0); } else { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "peer %s probably went online as expected\n", GNUNET_i2s (rps_peers[entry->index].peer_id)); if (NULL != cur_test_run.pre_test) { cur_test_run.pre_test (&rps_peers[entry->index], rps_peers[entry->index].rps_handle); schedule_missing_requests (&rps_peers[entry->index]); } } rps_peers[entry->index].online = GNUNET_YES; } else { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Invalid value for delta: %i\n", entry->delta); GNUNET_break (0); } GNUNET_CONTAINER_DLL_remove (oplist_head, oplist_tail, entry); rps_peers[entry->index].entry_op_manage = NULL; GNUNET_free (entry); //if (num_peers_in_round[current_round] == peers_running) // run_round (); } /** * @brief Set the rps-service up or down for a specific peer * * @param i index of action * @param j index of peer * @param delta (#PEER_ONLINE_DELTA) down (-1) or up (1) * @param prob_go_on_off the probability of the action */ static void manage_service_wrapper (unsigned int i, unsigned int j, enum PEER_ONLINE_DELTA delta, double prob_go_on_off) { struct OpListEntry *entry = NULL; uint32_t prob; /* make sure that management operation is not already scheduled */ if (NULL != rps_peers[j].entry_op_manage) { return; } prob = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, UINT32_MAX); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u. selected peer (%u: %s) is %s.\n", i, j, GNUNET_i2s (rps_peers[j].peer_id), (PEER_GO_ONLINE == delta) ? "online" : "offline"); if (prob < prob_go_on_off * UINT32_MAX) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%s goes %s\n", GNUNET_i2s (rps_peers[j].peer_id), (PEER_GO_OFFLINE == delta) ? "offline" : "online"); if (PEER_GO_OFFLINE == delta) cancel_pending_req_rep (&rps_peers[j]); entry = make_oplist_entry (); entry->delta = delta; entry->index = j; entry->op = GNUNET_TESTBED_peer_manage_service (NULL, testbed_peers[j], "rps", &churn_cb, entry, (PEER_GO_OFFLINE == delta) ? 0 : 1); rps_peers[j].entry_op_manage = entry; } } static void churn (void *cls) { unsigned int i; unsigned int j; double portion_online; unsigned int *permut; double prob_go_offline; double portion_go_online; double portion_go_offline; if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) { return; } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Churn function executing\n"); churn_task = NULL; /* Should be invalid by now */ /* Compute the probability for an online peer to go offline * this round */ portion_online = num_peers_online * 1.0 / num_peers; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Portion online: %f\n", portion_online); portion_go_online = ((1 - portion_online) * .5 * .66); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Portion that should go online: %f\n", portion_go_online); portion_go_offline = (portion_online + portion_go_online) - .75; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Portion that probably goes offline: %f\n", portion_go_offline); prob_go_offline = portion_go_offline / (portion_online * .5); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Probability of a selected online peer to go offline: %f\n", prob_go_offline); permut = GNUNET_CRYPTO_random_permute (GNUNET_CRYPTO_QUALITY_WEAK, (unsigned int) num_peers); /* Go over 50% randomly chosen peers */ for (i = 0; i < .5 * num_peers; i++) { j = permut[i]; /* If online, shut down with certain probability */ if (GNUNET_YES == rps_peers[j].online) { manage_service_wrapper (i, j, -1, prob_go_offline); } /* If offline, restart with certain probability */ else if (GNUNET_NO == rps_peers[j].online) { manage_service_wrapper (i, j, 1, 0.66); } } GNUNET_free (permut); churn_task = GNUNET_SCHEDULER_add_delayed ( GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2), churn, NULL); } /** * Initialise given RPSPeer */ static void profiler_init_peer (struct RPSPeer *rps_peer) { if (num_peers - 1 == rps_peer->index) { rps_peer->num_ids_to_request = cur_test_run.num_requests; } else { rps_peer->num_ids_to_request = 0; } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "peer shall request %i peers\n", rps_peer->num_ids_to_request); } /** * Callback to call on receipt of a reply * * @param cls closure * @param n number of peers * @param recv_peers the received peers */ static void profiler_reply_handle (void *cls, uint64_t n, const struct GNUNET_PeerIdentity *recv_peers) { struct RPSPeer *rps_peer; struct RPSPeer *rcv_rps_peer; char *file_name; char *file_name_dh; char *file_name_dhr; unsigned int i; struct PendingReply *pending_rep = (struct PendingReply *) cls; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "profiler_reply_handle()\n"); rps_peer = pending_rep->rps_peer; file_name = "/tmp/rps/received_ids"; file_name_dh = "/tmp/rps/diehard_input"; file_name_dhr = "/tmp/rps/diehard_input_raw"; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "[%s] got %" PRIu64 " peers:\n", GNUNET_i2s (rps_peer->peer_id), n); for (i = 0; i < n; i++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%u: %s\n", i, GNUNET_i2s (&recv_peers[i])); tofile (file_name, "%s\n", GNUNET_i2s_full (&recv_peers[i])); rcv_rps_peer = GNUNET_CONTAINER_multipeermap_get (peer_map, &recv_peers[i]); GNUNET_assert (NULL != rcv_rps_peer); tofile (file_name_dh, "%" PRIu32 "\n", (uint32_t) rcv_rps_peer->index); to_file_raw (file_name_dhr, &rcv_rps_peer->index, sizeof (uint32_t)); } default_reply_handle (cls, n, recv_peers); } static void profiler_cb (struct RPSPeer *rps_peer) { if (GNUNET_YES == in_shutdown || GNUNET_YES == post_test) { return; } /* Start churn */ if (HAVE_CHURN == cur_test_run.have_churn && NULL == churn_task) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting churn task\n"); churn_task = GNUNET_SCHEDULER_add_delayed ( GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5), churn, NULL); } else { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Not starting churn task\n"); } /* Only request peer ids at one peer. * (It's the before-last because last one is target of the focussed attack.) */ if (eval_peer == rps_peer) schedule_missing_requests (rps_peer); } /** * Function called from #profiler_eval with a filename. * * @param cls closure * @param filename complete filename (absolute path) * @return #GNUNET_OK to continue to iterate, * #GNUNET_NO to stop iteration with no error, * #GNUNET_SYSERR to abort iteration with error! */ int file_name_cb (void *cls, const char *filename) { if (NULL != strstr (filename, "sampler_el")) { struct RPS_SamplerElement *s_elem; struct GNUNET_CRYPTO_AuthKey auth_key; const char *key_char; uint32_t i; key_char = filename + 20; /* Length of "/tmp/rps/sampler_el-" */ tofile (filename, "--------------------------\n"); auth_key = string_to_auth_key (key_char); s_elem = RPS_sampler_elem_create (); RPS_sampler_elem_set (s_elem, auth_key); for (i = 0; i < num_peers; i++) { RPS_sampler_elem_next (s_elem, &rps_peer_ids[i]); } RPS_sampler_elem_destroy (s_elem); } return GNUNET_OK; } /** * This is run after the test finished. * * Compute all perfect samples. */ int profiler_eval (void) { /* Compute perfect sample for each sampler element */ if (-1 == GNUNET_DISK_directory_scan ("/tmp/rps/", file_name_cb, NULL)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Scan of directory failed\n"); } return evaluate (); } static uint32_t fac (uint32_t x) { if (1 >= x) { return x; } return x * fac (x - 1); } static uint32_t binom (uint32_t n, uint32_t k) { //GNUNET_assert (n >= k); if (k > n) return 0; if (0 > n) return 0; if (0 > k) return 0; if (0 == k) return 1; return fac (n) / fac(k) * fac(n - k); } /** * @brief is b in view of a? * * @param a * @param b * * @return */ static int is_in_view (uint32_t a, uint32_t b) { uint32_t i; for (i = 0; i < rps_peers[a].cur_view_count; i++) { if (0 == memcmp (rps_peers[b].peer_id, &rps_peers[a].cur_view[i], sizeof (struct GNUNET_PeerIdentity))) { return GNUNET_YES; } } return GNUNET_NO; } static uint32_t get_idx_of_pid (const struct GNUNET_PeerIdentity *pid) { uint32_t i; for (i = 0; i < num_peers; i++) { if (0 == memcmp (pid, rps_peers[i].peer_id, sizeof (struct GNUNET_PeerIdentity))) { return i; } } //return 0; /* Should not happen - make compiler happy */ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No known _PeerIdentity %s!\n", GNUNET_i2s_full (pid)); GNUNET_assert (0); } /** * @brief Counts number of peers in view of a that have b in their view * * @param a * @param uint32_tb * * @return */ static uint32_t count_containing_views (uint32_t a, uint32_t b) { uint32_t i; uint32_t peer_idx; uint32_t count = 0; for (i = 0; i < rps_peers[a].cur_view_count; i++) { peer_idx = get_idx_of_pid (&rps_peers[a].cur_view[i]); if (GNUNET_YES == is_in_view (peer_idx, b)) { count++; } } return count; } /** * @brief Computes the probability for each other peer to be selected by the * sampling process based on the views of all peers * * @param peer_idx index of the peer that is about to sample */ static void compute_probabilities (uint32_t peer_idx) { //double probs[num_peers] = { 0 }; double probs[num_peers]; size_t probs_as_str_size = (num_peers * 10 + 1) * sizeof (char); char *probs_as_str = GNUNET_malloc (probs_as_str_size); char *probs_as_str_cpy; uint32_t i; double prob_push; double prob_pull; uint32_t view_size; uint32_t cont_views; uint32_t number_of_being_in_pull_events; int tmp; uint32_t count_non_zero_prob = 0; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Computing probabilities for peer %" PRIu32 "\n", peer_idx); /* Firstly without knowledge of old views */ for (i = 0; i < num_peers; i++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tfor peer %" PRIu32 ":\n", i); view_size = rps_peers[i].cur_view_count; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\tview_size: %" PRIu32 "\n", view_size); /* For peer i the probability of being sampled is * evenly distributed among all possibly observed peers. */ /* We could have observed a peer in three cases: * 1. peer sent a push * 2. peer was contained in a pull reply * 3. peer was in history (sampler) - ignored for now */ /* 1. Probability of having received a push from peer i */ if ((GNUNET_YES == is_in_view (i, peer_idx)) && (1 <= (0.45 * view_size))) { prob_push = 1.0 * binom (0.45 * view_size, 1) / binom (view_size, 0.45 * view_size); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\t%" PRIu32 " is in %" PRIu32 "'s view, prob: %f\n", peer_idx, i, prob_push); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\tposs choices from view: %" PRIu32 ", containing i: %" PRIu32 "\n", binom (view_size, 0.45 * view_size), binom (0.45 * view_size, 1)); } else { prob_push = 0; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\t%" PRIu32 " is not in %" PRIu32 "'s view, prob: 0\n", peer_idx, i); } /* 2. Probability of peer i being contained in pulls */ view_size = rps_peers[peer_idx].cur_view_count; cont_views = count_containing_views (peer_idx, i); number_of_being_in_pull_events = (binom (view_size, 0.45 * view_size) - binom (view_size - cont_views, 0.45 * view_size)); if (0 != number_of_being_in_pull_events) { prob_pull = number_of_being_in_pull_events / (1.0 * binom (view_size, 0.45 * view_size)); } else { prob_pull = 0; } probs[i] = prob_push + prob_pull - (prob_push * prob_pull); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\t%" PRIu32 " has %" PRIu32 " of %" PRIu32 " peers in its view who know %" PRIu32 " prob: %f\n", peer_idx, cont_views, view_size, i, prob_pull); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\tnumber of possible pull combinations: %" PRIu32 "\n", binom (view_size, 0.45 * view_size)); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\tnumber of possible pull combinations without %" PRIu32 ": %" PRIu32 "\n", i, binom (view_size - cont_views, 0.45 * view_size)); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t\tnumber of possible pull combinations with %" PRIu32 ": %" PRIu32 "\n", i, number_of_being_in_pull_events); if (0 != probs[i]) count_non_zero_prob++; } /* normalize */ if (0 != count_non_zero_prob) { for (i = 0; i < num_peers; i++) { probs[i] = probs[i] * (1.0 / count_non_zero_prob); } } else { for (i = 0; i < num_peers; i++) { probs[i] = 0; } } /* str repr */ for (i = 0; i < num_peers; i++) { probs_as_str_cpy = GNUNET_strndup (probs_as_str, probs_as_str_size); tmp = GNUNET_snprintf (probs_as_str, probs_as_str_size, "%s %7.6f", probs_as_str_cpy, probs[i]); GNUNET_free (probs_as_str_cpy); GNUNET_assert (0 <= tmp); } to_file_w_len (rps_peers[peer_idx].file_name_probs, probs_as_str_size, probs_as_str); GNUNET_free (probs_as_str); } /** * @brief This counts the number of peers in which views a given peer occurs. * * It also stores this value in the rps peer. * * @param peer_idx the index of the peer to count the representation * * @return the number of occurrences */ static uint32_t count_peer_in_views_2 (uint32_t peer_idx) { uint32_t i, j; uint32_t count = 0; for (i = 0; i < num_peers; i++) /* Peer in which view is counted */ { for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */ { if (0 == memcmp (rps_peers[peer_idx].peer_id, &rps_peers[i].cur_view[j], sizeof (struct GNUNET_PeerIdentity))) { count++; break; } } } rps_peers[peer_idx].count_in_views = count; return count; } static uint32_t cumulated_view_sizes () { uint32_t i; view_sizes = 0; for (i = 0; i < num_peers; i++) /* Peer in which view is counted */ { view_sizes += rps_peers[i].cur_view_count; } return view_sizes; } static void count_peer_in_views (uint32_t *count_peers) { uint32_t i, j; for (i = 0; i < num_peers; i++) /* Peer in which view is counted */ { for (j = 0; j < rps_peers[i].cur_view_count; j++) /* entry in view */ { if (0 == memcmp (rps_peers[i].peer_id, &rps_peers[i].cur_view[j], sizeof (struct GNUNET_PeerIdentity))) { count_peers[i]++; } } } } void compute_diversity () { uint32_t i; /* ith entry represents the numer of occurrences in other peer's views */ uint32_t *count_peers = GNUNET_new_array (num_peers, uint32_t); uint32_t views_total_size; double expected; /* deviation from expected number of peers */ double *deviation = GNUNET_new_array (num_peers, double); views_total_size = 0; expected = 0; /* For each peer count its representation in other peer's views*/ for (i = 0; i < num_peers; i++) /* Peer to count */ { views_total_size += rps_peers[i].cur_view_count; count_peer_in_views (count_peers); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Counted representation of %" PRIu32 "th peer [%s]: %" PRIu32"\n", i, GNUNET_i2s (rps_peers[i].peer_id), count_peers[i]); } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "size of all views combined: %" PRIu32 "\n", views_total_size); expected = ((double) 1/num_peers) * views_total_size; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Expected number of occurrences of each peer in all views: %f\n", expected); for (i = 0; i < num_peers; i++) /* Peer to count */ { deviation[i] = expected - count_peers[i]; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Deviation from expectation: %f\n", deviation[i]); } GNUNET_free (count_peers); GNUNET_free (deviation); } void print_view_sizes() { uint32_t i; for (i = 0; i < num_peers; i++) /* Peer to count */ { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "View size of %" PRIu32 ". [%s] is %" PRIu32 "\n", i, GNUNET_i2s (rps_peers[i].peer_id), rps_peers[i].cur_view_count); } } void all_views_updated_cb() { compute_diversity(); print_view_sizes(); } void view_update_cb (void *cls, uint64_t view_size, const struct GNUNET_PeerIdentity *peers) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "View was updated (%" PRIu64 ")\n", view_size); struct RPSPeer *rps_peer = (struct RPSPeer *) cls; to_file ("/tmp/rps/view_sizes.txt", "%" PRIu64 " %" PRIu32 "", rps_peer->index, view_size); for (int i = 0; i < view_size; i++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\t%s\n", GNUNET_i2s (&peers[i])); } GNUNET_array_grow (rps_peer->cur_view, rps_peer->cur_view_count, view_size); //*rps_peer->cur_view = *peers; GNUNET_memcpy (rps_peer->cur_view, peers, view_size * sizeof (struct GNUNET_PeerIdentity)); to_file ("/tmp/rps/count_in_views.txt", "%" PRIu64 " %" PRIu32 "", rps_peer->index, count_peer_in_views_2 (rps_peer->index)); cumulated_view_sizes(); if (0 != view_size) { to_file ("/tmp/rps/repr.txt", "%" PRIu64 /* index */ " %" PRIu32 /* occurrence in views */ " %" PRIu32 /* view sizes */ " %f" /* fraction of repr in views */ " %f" /* average view size */ " %f" /* prob of occurrence in view slot */ " %f" "", /* exp frac of repr in views */ rps_peer->index, count_peer_in_views_2 (rps_peer->index), view_sizes, count_peer_in_views_2 (rps_peer->index) / (view_size * 1.0), /* fraction of representation in views */ view_sizes / (view_size * 1.0), /* average view size */ 1.0 /view_size, /* prob of occurrence in view slot */ (1.0/view_size) * (view_sizes/view_size) /* expected fraction of repr in views */ ); } compute_probabilities (rps_peer->index); all_views_updated_cb(); } static void pre_profiler (struct RPSPeer *rps_peer, struct GNUNET_RPS_Handle *h) { rps_peer->file_name_probs = store_prefix_file_name (rps_peer->peer_id, "probs"); GNUNET_RPS_view_request (h, 0, view_update_cb, rps_peer); } void write_final_stats (void){ uint32_t i; uint64_t sum_rounds = 0; uint64_t sum_blocks = 0; uint64_t sum_b_mpush = 0; uint64_t sum_b_npush = 0; uint64_t sum_b_npull = 0; uint64_t sum_b_mpush_npull = 0; uint64_t sum_b_npush_npull = 0; uint64_t sum_iss_push = 0; uint64_t sum_iss_pull_req = 0; uint64_t sum_iss_pull_rep = 0; uint64_t sum_sent_push = 0; uint64_t sum_sent_pull_req = 0; uint64_t sum_sent_pull_rep = 0; uint64_t sum_recv_push = 0; uint64_t sum_recv_pull_req = 0; uint64_t sum_recv_pull_rep = 0; for (i = 0; i < num_peers; i++) { to_file ("/tmp/rps/final_stats.dat", "%" PRIu32 " " /* index */ "%s %" /* id */ PRIu64 " %" /* rounds */ PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" /* blocking */ PRIu64 " %" PRIu64 " %" PRIu64 " %" /* issued */ PRIu64 " %" PRIu64 " %" PRIu64 " %" /* sent */ PRIu64 " %" PRIu64 " %" PRIu64 /* recv */, i, GNUNET_i2s (rps_peers[i].peer_id), rps_peers[i].num_rounds, rps_peers[i].num_blocks, rps_peers[i].num_blocks_many_push, rps_peers[i].num_blocks_no_push, rps_peers[i].num_blocks_no_pull, rps_peers[i].num_blocks_many_push_no_pull, rps_peers[i].num_blocks_no_push_no_pull, rps_peers[i].num_issued_push, rps_peers[i].num_issued_pull_req, rps_peers[i].num_issued_pull_rep, rps_peers[i].num_sent_push, rps_peers[i].num_sent_pull_req, rps_peers[i].num_sent_pull_rep, rps_peers[i].num_recv_push, rps_peers[i].num_recv_pull_req, rps_peers[i].num_recv_pull_rep); sum_rounds += rps_peers[i].num_rounds; sum_blocks += rps_peers[i].num_blocks; sum_b_mpush += rps_peers[i].num_blocks_many_push; sum_b_npush += rps_peers[i].num_blocks_no_push; sum_b_npull += rps_peers[i].num_blocks_no_pull; sum_b_mpush_npull += rps_peers[i].num_blocks_many_push_no_pull; sum_b_npush_npull += rps_peers[i].num_blocks_no_push_no_pull; sum_iss_push += rps_peers[i].num_issued_push; sum_iss_pull_req += rps_peers[i].num_issued_pull_req; sum_iss_pull_rep += rps_peers[i].num_issued_pull_rep; sum_sent_push += rps_peers[i].num_sent_push; sum_sent_pull_req += rps_peers[i].num_sent_pull_req; sum_sent_pull_rep += rps_peers[i].num_sent_pull_rep; sum_recv_push += rps_peers[i].num_recv_push; sum_recv_pull_req += rps_peers[i].num_recv_pull_req; sum_recv_pull_rep += rps_peers[i].num_recv_pull_rep; } to_file ("/tmp/rps/final_stats.dat", "SUM %" PRIu64 " %" /* rounds */ PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" PRIu64 " %" /* blocking */ PRIu64 " %" PRIu64 " %" PRIu64 " %" /* issued */ PRIu64 " %" PRIu64 " %" PRIu64 " %" /* sent */ PRIu64 " %" PRIu64 " %" PRIu64 /* recv */, sum_rounds, sum_blocks, sum_b_mpush, sum_b_npush, sum_b_npull, sum_b_mpush_npull, sum_b_npush_npull, sum_iss_push, sum_iss_pull_req, sum_iss_pull_rep, sum_sent_push, sum_sent_pull_req, sum_sent_pull_rep, sum_recv_push, sum_recv_pull_req, sum_recv_pull_rep); } /** * Continuation called by #GNUNET_STATISTICS_get() functions. * * Remembers that this specific statistics value was received for this peer. * Checks whether all peers received their statistics yet. * Issues the shutdown. * * @param cls closure * @param success #GNUNET_OK if statistics were * successfully obtained, #GNUNET_SYSERR if not. */ void post_test_shutdown_ready_cb (void *cls, int success) { struct STATcls *stat_cls = (struct STATcls *) cls; struct RPSPeer *rps_peer = stat_cls->rps_peer; if (GNUNET_OK == success) { /* set flag that we we got the value */ rps_peer->stat_collected_flags |= stat_cls->stat_type; } else { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peer %u did not receive statistics value\n", rps_peer->index); GNUNET_free (stat_cls); GNUNET_break (0); } if (NULL != rps_peer->stat_op && GNUNET_YES == check_statistics_collect_completed_single_peer (rps_peer)) { GNUNET_TESTBED_operation_done (rps_peer->stat_op); } write_final_stats (); if (GNUNET_YES == check_statistics_collect_completed()) { //write_final_stats (); GNUNET_free (stat_cls); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutting down\n"); GNUNET_SCHEDULER_shutdown (); } else { GNUNET_free (stat_cls); } } /** * @brief Converts string representation to the corresponding #STAT_TYPE enum. * * @param stat_str string representation of statistics specifier * * @return corresponding enum */ enum STAT_TYPE stat_str_2_type (const char *stat_str) { if (0 == strncmp ("# rounds blocked - no pull replies", stat_str, strlen ("# rounds blocked - no pull replies"))) { return STAT_TYPE_BLOCKS_NO_PULL; } else if (0 == strncmp ("# rounds blocked - too many pushes, no pull replies", stat_str, strlen ("# rounds blocked - too many pushes, no pull replies"))) { return STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL; } else if (0 == strncmp ("# rounds blocked - too many pushes", stat_str, strlen ("# rounds blocked - too many pushes"))) { return STAT_TYPE_BLOCKS_MANY_PUSH; } else if (0 == strncmp ("# rounds blocked - no pushes, no pull replies", stat_str, strlen ("# rounds blocked - no pushes, no pull replies"))) { return STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL; } else if (0 == strncmp ("# rounds blocked - no pushes", stat_str, strlen ("# rounds blocked - no pushes"))) { return STAT_TYPE_BLOCKS_NO_PUSH; } else if (0 == strncmp ("# rounds blocked", stat_str, strlen ("# rounds blocked"))) { return STAT_TYPE_BLOCKS; } else if (0 == strncmp ("# rounds", stat_str, strlen ("# rounds"))) { return STAT_TYPE_ROUNDS; } else if (0 == strncmp ("# push send issued", stat_str, strlen ("# push send issued"))) { return STAT_TYPE_ISSUED_PUSH_SEND; } else if (0 == strncmp ("# pull request send issued", stat_str, strlen ("# pull request send issued"))) { return STAT_TYPE_ISSUED_PULL_REQ; } else if (0 == strncmp ("# pull reply send issued", stat_str, strlen ("# pull reply send issued"))) { return STAT_TYPE_ISSUED_PULL_REP; } else if (0 == strncmp ("# pushes sent", stat_str, strlen ("# pushes sent"))) { return STAT_TYPE_SENT_PUSH_SEND; } else if (0 == strncmp ("# pull requests sent", stat_str, strlen ("# pull requests sent"))) { return STAT_TYPE_SENT_PULL_REQ; } else if (0 == strncmp ("# pull replys sent", stat_str, strlen ("# pull replys sent"))) { return STAT_TYPE_SENT_PULL_REP; } else if (0 == strncmp ("# push message received", stat_str, strlen ("# push message received"))) { return STAT_TYPE_RECV_PUSH_SEND; } else if (0 == strncmp ("# pull request message received", stat_str, strlen ("# pull request message received"))) { return STAT_TYPE_RECV_PULL_REQ; } else if (0 == strncmp ("# pull reply messages received", stat_str, strlen ("# pull reply messages received"))) { return STAT_TYPE_RECV_PULL_REP; } return STAT_TYPE_MAX; } /** * @brief Converts #STAT_TYPE enum to the equivalent string representation that * is stored with the statistics service. * * @param stat_type #STAT_TYPE enum * * @return string representation that matches statistics value */ char* stat_type_2_str (enum STAT_TYPE stat_type) { switch (stat_type) { case STAT_TYPE_ROUNDS: return "# rounds"; case STAT_TYPE_BLOCKS: return "# rounds blocked"; case STAT_TYPE_BLOCKS_MANY_PUSH: return "# rounds blocked - too many pushes"; case STAT_TYPE_BLOCKS_NO_PUSH: return "# rounds blocked - no pushes"; case STAT_TYPE_BLOCKS_NO_PULL: return "# rounds blocked - no pull replies"; case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL: return "# rounds blocked - too many pushes, no pull replies"; case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL: return "# rounds blocked - no pushes, no pull replies"; case STAT_TYPE_ISSUED_PUSH_SEND: return "# push send issued"; case STAT_TYPE_ISSUED_PULL_REQ: return "# pull request send issued"; case STAT_TYPE_ISSUED_PULL_REP: return "# pull reply send issued"; case STAT_TYPE_SENT_PUSH_SEND: return "# pushes sent"; case STAT_TYPE_SENT_PULL_REQ: return "# pull requests sent"; case STAT_TYPE_SENT_PULL_REP: return "# pull replys sent"; case STAT_TYPE_RECV_PUSH_SEND: return "# push message received"; case STAT_TYPE_RECV_PULL_REQ: return "# pull request message received"; case STAT_TYPE_RECV_PULL_REP: return "# pull reply messages received"; case STAT_TYPE_MAX: default: return "ERROR"; ; } } /** * Callback function to process statistic values. * * @param cls closure * @param subsystem name of subsystem that created the statistic * @param name the name of the datum * @param value the current value * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration */ int stat_iterator (void *cls, const char *subsystem, const char *name, uint64_t value, int is_persistent) { const struct STATcls *stat_cls = (const struct STATcls *) cls; struct RPSPeer *rps_peer = (struct RPSPeer *) stat_cls->rps_peer; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got stat value: %s - %" PRIu64 "\n", //stat_type_2_str (stat_cls->stat_type), name, value); to_file (rps_peer->file_name_stats, "%s: %" PRIu64 "\n", name, value); switch (stat_str_2_type (name)) { case STAT_TYPE_ROUNDS: rps_peer->num_rounds = value; break; case STAT_TYPE_BLOCKS: rps_peer->num_blocks = value; break; case STAT_TYPE_BLOCKS_MANY_PUSH: rps_peer->num_blocks_many_push = value; break; case STAT_TYPE_BLOCKS_NO_PUSH: rps_peer->num_blocks_no_push = value; break; case STAT_TYPE_BLOCKS_NO_PULL: rps_peer->num_blocks_no_pull = value; break; case STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL: rps_peer->num_blocks_many_push_no_pull = value; break; case STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL: rps_peer->num_blocks_no_push_no_pull = value; break; case STAT_TYPE_ISSUED_PUSH_SEND: rps_peer->num_issued_push = value; break; case STAT_TYPE_ISSUED_PULL_REQ: rps_peer->num_issued_pull_req = value; break; case STAT_TYPE_ISSUED_PULL_REP: rps_peer->num_issued_pull_rep = value; break; case STAT_TYPE_SENT_PUSH_SEND: rps_peer->num_sent_push = value; break; case STAT_TYPE_SENT_PULL_REQ: rps_peer->num_sent_pull_req = value; break; case STAT_TYPE_SENT_PULL_REP: rps_peer->num_sent_pull_rep = value; break; case STAT_TYPE_RECV_PUSH_SEND: rps_peer->num_recv_push = value; break; case STAT_TYPE_RECV_PULL_REQ: rps_peer->num_recv_pull_req = value; break; case STAT_TYPE_RECV_PULL_REP: rps_peer->num_recv_pull_rep = value; break; case STAT_TYPE_MAX: default: GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unknown statistics string: %s\n", name); break; } return GNUNET_OK; } void post_profiler (struct RPSPeer *rps_peer) { if (COLLECT_STATISTICS != cur_test_run.have_collect_statistics) { return; } GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Going to request statistic values with mask 0x%" PRIx32 "\n", cur_test_run.stat_collect_flags); struct STATcls *stat_cls; uint32_t stat_type; for (stat_type = STAT_TYPE_ROUNDS; stat_type < STAT_TYPE_MAX; stat_type = stat_type <<1) { if (stat_type & cur_test_run.stat_collect_flags) { stat_cls = GNUNET_malloc (sizeof (struct STATcls)); stat_cls->rps_peer = rps_peer; stat_cls->stat_type = stat_type; rps_peer->file_name_stats = store_prefix_file_name (rps_peer->peer_id, "stats"); GNUNET_STATISTICS_get (rps_peer->stats_h, "rps", stat_type_2_str (stat_type), post_test_shutdown_ready_cb, stat_iterator, (struct STATcls *) stat_cls); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Requested statistics for %s (peer %" PRIu32 ")\n", stat_type_2_str (stat_type), rps_peer->index); } } } /*********************************************************************** * /Definition of tests ***********************************************************************/ /** * Actual "main" function for the testcase. * * @param cls closure * @param h the run handle * @param n_peers number of peers in 'peers' * @param peers handle to peers run in the testbed * @param links_succeeded the number of overlay link connection attempts that * succeeded * @param links_failed the number of overlay link connection attempts that * failed */ static void test_run (void *cls, struct GNUNET_TESTBED_RunHandle *h, unsigned int n_peers, struct GNUNET_TESTBED_Peer **peers, unsigned int links_succeeded, unsigned int links_failed) { unsigned int i; struct OpListEntry *entry; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "RUN was called\n"); printf ("test 1\n"); /* Check whether we timed out */ if (n_peers != num_peers || NULL == peers || 0 == links_succeeded) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Going down due to args (eg. timeout)\n"); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tn_peers: %u\n", n_peers); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tnum_peers: %" PRIu32 "\n", num_peers); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tpeers: %p\n", peers); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\tlinks_succeeded: %u\n", links_succeeded); GNUNET_SCHEDULER_shutdown (); return; } /* Initialize peers */ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "going to initialise peers\n"); testbed_peers = peers; num_peers_online = 0; for (i = 0; i < num_peers; i++) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "initialising %u\n", i); entry = make_oplist_entry (); entry->index = i; rps_peers[i].index = i; if (NULL != cur_test_run.init_peer) cur_test_run.init_peer (&rps_peers[i]); if (NO_COLLECT_VIEW == cur_test_run.have_collect_view) { rps_peers->cur_view_count = 0; rps_peers->cur_view = NULL; } entry->op = GNUNET_TESTBED_peer_get_information (peers[i], GNUNET_TESTBED_PIT_IDENTITY, &info_cb, entry); } /* Bring peers up */ GNUNET_assert (num_peers == n_peers); for (i = 0; i < n_peers; i++) { rps_peers[i].index = i; rps_peers[i].op = GNUNET_TESTBED_service_connect (&rps_peers[i], peers[i], "rps", &rps_connect_complete_cb, &rps_peers[i], &rps_connect_adapter, &rps_disconnect_adapter, &rps_peers[i]); /* Connect all peers to statistics service */ if (COLLECT_STATISTICS == cur_test_run.have_collect_statistics) { rps_peers[i].stat_op = GNUNET_TESTBED_service_connect (NULL, peers[i], "statistics", stat_complete_cb, &rps_peers[i], &stat_connect_adapter, &stat_disconnect_adapter, &rps_peers[i]); } } if (NULL != churn_task) GNUNET_SCHEDULER_cancel (churn_task); post_test_task = GNUNET_SCHEDULER_add_delayed (timeout, &post_test_op, NULL); timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, (timeout_s * 1.2) + 0.1 * num_peers); shutdown_task = GNUNET_SCHEDULER_add_delayed (timeout, &shutdown_op, NULL); shutdown_task = GNUNET_SCHEDULER_add_shutdown (shutdown_op, NULL); } /** * Entry point for the testcase, sets up the testbed. * * @param argc unused * @param argv unused * @return 0 on success */ static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) { //int ret_value; /* Defaults for tests */ churn_task = NULL; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "This is the profiler\n"); cur_test_run.name = "test-rps-profiler"; num_peers = 10; mal_type = 3; cur_test_run.init_peer = profiler_init_peer; //cur_test_run.pre_test = mal_pre; cur_test_run.pre_test = pre_profiler; cur_test_run.main_test = profiler_cb; cur_test_run.reply_handle = profiler_reply_handle; cur_test_run.eval_cb = profiler_eval; cur_test_run.post_test = post_profiler; cur_test_run.request_interval = 2; cur_test_run.num_requests = 5; //cur_test_run.have_churn = HAVE_CHURN; cur_test_run.have_churn = HAVE_NO_CHURN; cur_test_run.have_quick_quit = HAVE_NO_QUICK_QUIT; cur_test_run.have_collect_statistics = COLLECT_STATISTICS; cur_test_run.stat_collect_flags = STAT_TYPE_ROUNDS | STAT_TYPE_BLOCKS | STAT_TYPE_BLOCKS_MANY_PUSH | STAT_TYPE_BLOCKS_NO_PUSH | STAT_TYPE_BLOCKS_NO_PULL | STAT_TYPE_BLOCKS_MANY_PUSH_NO_PULL | STAT_TYPE_BLOCKS_NO_PUSH_NO_PULL | STAT_TYPE_ISSUED_PUSH_SEND | STAT_TYPE_ISSUED_PULL_REQ | STAT_TYPE_ISSUED_PULL_REP | STAT_TYPE_SENT_PUSH_SEND | STAT_TYPE_SENT_PULL_REQ | STAT_TYPE_SENT_PULL_REP | STAT_TYPE_RECV_PUSH_SEND | STAT_TYPE_RECV_PULL_REQ | STAT_TYPE_RECV_PULL_REP; cur_test_run.have_collect_view = COLLECT_VIEW; timeout_s = 300; /* 'Clean' directory */ (void) GNUNET_DISK_directory_remove ("/tmp/rps/"); GNUNET_DISK_directory_create ("/tmp/rps/"); timeout = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, timeout_s); rps_peers = GNUNET_new_array (num_peers, struct RPSPeer); peer_map = GNUNET_CONTAINER_multipeermap_create (num_peers, GNUNET_NO); rps_peer_ids = GNUNET_new_array (num_peers, struct GNUNET_PeerIdentity); if ( (2 == mal_type) || (3 == mal_type)) target_peer = &rps_peer_ids[num_peers - 2]; if (profiler_eval == cur_test_run.eval_cb) eval_peer = &rps_peers[num_peers - 1]; /* FIXME: eval_peer could be a malicious peer if not careful with the malicious portion */ ok = 1; GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "before _run()\n"); //ret_value = GNUNET_TESTBED_test_run (cur_test_run.name, // "test_rps.conf", // num_peers, // 0, NULL, NULL, // &test_run, NULL); GNUNET_TESTBED_run (NULL, cfg, num_peers, 0, /* event mask */ NULL, NULL, &test_run, NULL); GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "after _run()\n"); GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "gnunet-rps-profiler returned.\n"); } /** * Entry point for the testcase, sets up the testbed. * * @param argc unused * @param argv unused * @return 0 on success */ int main (int argc, char *argv[]) { int ret_value; struct GNUNET_GETOPT_CommandLineOption options[] = { GNUNET_GETOPT_option_uint ('n', "peers", "COUNT", gettext_noop ("number of peers to start"), &num_peers), GNUNET_GETOPT_OPTION_END }; //if (GNUNET_OK != // GNUNET_STRINGS_get_utf8_args (argc, argv, // &argc, &argv)) // return 2; ret_value = 0; if (GNUNET_OK != GNUNET_PROGRAM_run (argc, argv, "gnunet-rps-profiler", gettext_noop ("Measure quality and performance of the RPS service."), options, &run, NULL)) { ret_value = 1; } if (GNUNET_OK != ret_value) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Test did not run successfully!\n"); } ret_value = cur_test_run.eval_cb(); if (NO_COLLECT_VIEW == cur_test_run.have_collect_view) { GNUNET_array_grow (rps_peers->cur_view, rps_peers->cur_view_count, 0); } GNUNET_free (rps_peers); GNUNET_free (rps_peer_ids); GNUNET_CONTAINER_multipeermap_destroy (peer_map); printf ("test -1\n"); return ret_value; } /* end of test_rps.c */