/* This file is part of GNUnet. (C) 2009 Christian Grothoff (and other contributing authors) 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, 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 General Public License for more details. You should have received a copy of the GNU General Public License along with GNUnet; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /** * @file dht/gnunet-dht-driver.c * @brief Driver for setting up a group of gnunet peers and * then issuing GETS and PUTS on the DHT. Coarse results * are reported, fine grained results (if requested) are * logged to a (mysql) database, or to file. * * FIXME: Do churn! */ #include "platform.h" #include "gnunet_testing_lib.h" #include "gnunet_core_service.h" #include "gnunet_dht_service.h" #include "dhtlog.h" #include "dht.h" /* DEFINES */ #define VERBOSE GNUNET_NO /* Timeout for entire driver to run */ #define DEFAULT_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 5) /* Timeout for waiting for (individual) replies to get requests */ #define DEFAULT_GET_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90) #define DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90) /* Timeout for waiting for gets to be sent to the service */ #define DEFAULT_GET_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10) /* Timeout for waiting for puts to be sent to the service */ #define DEFAULT_PUT_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 10) /* Time to allow a find peer request to take */ #define DEFAULT_FIND_PEER_DELAY GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 40) #define DEFAULT_SECONDS_PER_PEER_START GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 45) #define DEFAULT_TEST_DATA_SIZE 8 #define DEFAULT_BUCKET_SIZE 4 #define FIND_PEER_THRESHOLD DEFAULT_BUCKET_SIZE * 2 /* If more than this many peers are added, slow down sending */ #define MAX_FIND_PEER_CUTOFF 2500 /* If less than this many peers are added, speed up sending */ #define MIN_FIND_PEER_CUTOFF 500 #define DEFAULT_MAX_OUTSTANDING_PUTS 10 #define DEFAULT_MAX_OUTSTANDING_FIND_PEERS 64 #define DEFAULT_FIND_PEER_OFFSET GNUNET_TIME_relative_divide (DEFAULT_FIND_PEER_DELAY, DEFAULT_MAX_OUTSTANDING_FIND_PEERS) #define DEFAULT_MAX_OUTSTANDING_GETS 10 #define DEFAULT_CONNECT_TIMEOUT 60 #define DEFAULT_TOPOLOGY_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, 8) /* * Default frequency for sending malicious get messages */ #define DEFAULT_MALICIOUS_GET_FREQUENCY 1000 /* Number of milliseconds */ /* * Default frequency for sending malicious put messages */ #define DEFAULT_MALICIOUS_PUT_FREQUENCY 1000 /* Default is in milliseconds */ /* Structs */ struct MaliciousContext { /** * Handle to DHT service (via the API) */ struct GNUNET_DHT_Handle *dht_handle; /** * Handle to the peer daemon */ struct GNUNET_TESTING_Daemon *daemon; /** * Task for disconnecting DHT handles */ GNUNET_SCHEDULER_TaskIdentifier disconnect_task; /** * What type of malicious to set this peer to. */ int malicious_type; }; struct TestFindPeer { /* This is a linked list */ struct TestFindPeer *next; /* Handle to the bigger context */ struct FindPeerContext *find_peer_context; /** * Handle to the peer's DHT service (via the API) */ struct GNUNET_DHT_Handle *dht_handle; /** * Handle to the peer daemon */ struct GNUNET_TESTING_Daemon *daemon; /** * Task for disconnecting DHT handles */ GNUNET_SCHEDULER_TaskIdentifier disconnect_task; }; struct TestPutContext { /* This is a linked list */ struct TestPutContext *next; /** * Handle to the first peers DHT service (via the API) */ struct GNUNET_DHT_Handle *dht_handle; /** * Handle to the PUT peer daemon */ struct GNUNET_TESTING_Daemon *daemon; /** * Identifier for this PUT */ uint32_t uid; /** * Task for disconnecting DHT handles */ GNUNET_SCHEDULER_TaskIdentifier disconnect_task; }; struct TestGetContext { /* This is a linked list */ struct TestGetContext *next; /** * Handle to the first peers DHT service (via the API) */ struct GNUNET_DHT_Handle *dht_handle; /** * Handle for the DHT get request */ struct GNUNET_DHT_GetHandle *get_handle; /** * Handle to the GET peer daemon */ struct GNUNET_TESTING_Daemon *daemon; /** * Identifier for this GET */ uint32_t uid; /** * Task for disconnecting DHT handles (and stopping GET) */ GNUNET_SCHEDULER_TaskIdentifier disconnect_task; /** * Whether or not this request has been fulfilled already. */ int succeeded; }; /** * Simple struct to keep track of progress, and print a * nice little percentage meter for long running tasks. */ struct ProgressMeter { unsigned int total; unsigned int modnum; unsigned int dotnum; unsigned int completed; int print; char *startup_string; }; /** * Linked list of information for populating statistics * before ending trial. */ struct StatisticsIteratorContext { const struct GNUNET_PeerIdentity *peer; unsigned int stat_routes; unsigned int stat_route_forwards; unsigned int stat_results; unsigned int stat_results_to_client; unsigned int stat_result_forwards; unsigned int stat_gets; unsigned int stat_puts; unsigned int stat_puts_inserted; unsigned int stat_find_peer; unsigned int stat_find_peer_start; unsigned int stat_get_start; unsigned int stat_put_start; unsigned int stat_find_peer_reply; unsigned int stat_get_reply; unsigned int stat_find_peer_answer; unsigned int stat_get_response_start; }; /** * Context for getting a topology, logging it, and continuing * on with some next operation. */ struct TopologyIteratorContext { unsigned int total_iterations; unsigned int current_iteration; unsigned int total_connections; struct GNUNET_PeerIdentity *peer; GNUNET_SCHEDULER_Task cont; void *cls; struct GNUNET_TIME_Relative timeout; }; /* Globals */ /** * Timeout to let all get requests happen. */ static struct GNUNET_TIME_Relative all_get_timeout; /** * Per get timeout */ static struct GNUNET_TIME_Relative get_timeout; static struct GNUNET_TIME_Relative get_delay; static struct GNUNET_TIME_Relative put_delay; static struct GNUNET_TIME_Relative find_peer_delay; static struct GNUNET_TIME_Relative find_peer_offset; static struct GNUNET_TIME_Relative seconds_per_peer_start; static int do_find_peer; static unsigned long long test_data_size = DEFAULT_TEST_DATA_SIZE; static unsigned long long max_outstanding_puts = DEFAULT_MAX_OUTSTANDING_PUTS; static unsigned long long max_outstanding_gets = DEFAULT_MAX_OUTSTANDING_GETS; static unsigned long long malicious_getters; static unsigned long long max_outstanding_find_peers; static unsigned long long malicious_putters; static unsigned long long malicious_droppers; static unsigned long long malicious_get_frequency; static unsigned long long malicious_put_frequency; static unsigned long long settle_time; static unsigned long long trial_to_run; static struct GNUNET_DHTLOG_Handle *dhtlog_handle; static unsigned long long trialuid; /** * Hash map of stats contexts. */ struct GNUNET_CONTAINER_MultiHashMap *stats_map; /** * LL of malicious settings. */ struct MaliciousContext *all_malicious; /** * List of GETS to perform */ struct TestGetContext *all_gets; /** * List of PUTS to perform */ struct TestPutContext *all_puts; /** * Directory to store temporary data in, defined in config file */ static char *test_directory; /** * Variable used to store the number of connections we should wait for. */ static unsigned int expected_connections; /** * Variable used to keep track of how many peers aren't yet started. */ static unsigned long long peers_left; /** * Handle to the set of all peers run for this test. */ static struct GNUNET_TESTING_PeerGroup *pg; /** * Global scheduler, used for all GNUNET_SCHEDULER_* functions. */ static struct GNUNET_SCHEDULER_Handle *sched; /** * Global config handle. */ const struct GNUNET_CONFIGURATION_Handle *config; /** * Total number of peers to run, set based on config file. */ static unsigned long long num_peers; /** * Total number of items to insert. */ static unsigned long long num_puts; /** * How many puts do we currently have in flight? */ static unsigned long long outstanding_puts; /** * How many puts are done? */ static unsigned long long puts_completed; /** * Total number of items to attempt to get. */ static unsigned long long num_gets; /** * How many puts do we currently have in flight? */ static unsigned long long outstanding_gets; /** * How many gets are done? */ static unsigned long long gets_completed; /** * How many gets failed? */ static unsigned long long gets_failed; /** * How many malicious control messages do * we currently have in flight? */ static unsigned long long outstanding_malicious; /** * How many set malicious peers are done? */ static unsigned long long malicious_completed; /** * Global used to count how many connections we have currently * been notified about (how many times has topology_callback been called * with success?) */ static unsigned int total_connections; /** * Global used to count how many failed connections we have * been notified about (how many times has topology_callback * been called with failure?) */ static unsigned int failed_connections; /* Task handle to use to schedule shutdown if something goes wrong */ GNUNET_SCHEDULER_TaskIdentifier die_task; static char *blacklist_transports; static enum GNUNET_TESTING_Topology topology; static enum GNUNET_TESTING_Topology blacklist_topology = GNUNET_TESTING_TOPOLOGY_NONE; /* Don't do any blacklisting */ static enum GNUNET_TESTING_Topology connect_topology = GNUNET_TESTING_TOPOLOGY_NONE; /* NONE actually means connect all allowed peers */ static enum GNUNET_TESTING_TopologyOption connect_topology_option = GNUNET_TESTING_TOPOLOGY_OPTION_ALL; static double connect_topology_option_modifier = 0.0; static struct ProgressMeter *hostkey_meter; static struct ProgressMeter *peer_start_meter; static struct ProgressMeter *peer_connect_meter; static struct ProgressMeter *put_meter; static struct ProgressMeter *get_meter; /* Global return value (0 for success, anything else for failure) */ static int ok; /** * Create a meter to keep track of the progress of some task. * * @param total the total number of items to complete * @param start_string a string to prefix the meter with (if printing) * @param print GNUNET_YES to print the meter, GNUNET_NO to count * internally only * * @return the progress meter */ static struct ProgressMeter * create_meter(unsigned int total, char * start_string, int print) { struct ProgressMeter *ret; ret = GNUNET_malloc(sizeof(struct ProgressMeter)); ret->print = print; ret->total = total; ret->modnum = total / 4; ret->dotnum = (total / 50) + 1; if (start_string != NULL) ret->startup_string = GNUNET_strdup(start_string); else ret->startup_string = GNUNET_strdup(""); return ret; } /** * Update progress meter (increment by one). * * @param meter the meter to update and print info for * * @return GNUNET_YES if called the total requested, * GNUNET_NO if more items expected */ static int update_meter(struct ProgressMeter *meter) { if (meter->print == GNUNET_YES) { if (meter->completed % meter->modnum == 0) { if (meter->completed == 0) { fprintf(stdout, "%sProgress: [0%%", meter->startup_string); } else fprintf(stdout, "%d%%", (int)(((float)meter->completed / meter->total) * 100)); } else if (meter->completed % meter->dotnum == 0) fprintf(stdout, "."); if (meter->completed + 1 == meter->total) fprintf(stdout, "%d%%]\n", 100); fflush(stdout); } meter->completed++; if (meter->completed == meter->total) return GNUNET_YES; return GNUNET_NO; } /** * Release resources for meter * * @param meter the meter to free */ static void free_meter(struct ProgressMeter *meter) { GNUNET_free_non_null(meter->startup_string); GNUNET_free_non_null(meter); } /** * Check whether peers successfully shut down. */ void shutdown_callback (void *cls, const char *emsg) { if (emsg != NULL) { if (ok == 0) ok = 2; } } /** * Task to release DHT handles for PUT */ static void put_disconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestPutContext *test_put = cls; test_put->disconnect_task = GNUNET_SCHEDULER_NO_TASK; GNUNET_DHT_disconnect(test_put->dht_handle); test_put->dht_handle = NULL; } /** * Function scheduled to be run on the successful completion of this * testcase. */ static void finish_testing (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Ending test normally!\n", (char *)cls); GNUNET_assert (pg != NULL); struct TestPutContext *test_put = all_puts; struct TestGetContext *test_get = all_gets; while (test_put != NULL) { if (test_put->disconnect_task != GNUNET_SCHEDULER_NO_TASK) GNUNET_SCHEDULER_cancel(sched, test_put->disconnect_task); if (test_put->dht_handle != NULL) GNUNET_DHT_disconnect(test_put->dht_handle); test_put = test_put->next; } while (test_get != NULL) { if (test_get->disconnect_task != GNUNET_SCHEDULER_NO_TASK) GNUNET_SCHEDULER_cancel(sched, test_get->disconnect_task); if (test_get->get_handle != NULL) GNUNET_DHT_get_stop(test_get->get_handle, NULL, NULL); if (test_get->dht_handle != NULL) GNUNET_DHT_disconnect(test_get->dht_handle); test_get = test_get->next; } GNUNET_TESTING_daemons_stop (pg, DEFAULT_TIMEOUT, &shutdown_callback, NULL); if (dhtlog_handle != NULL) { fprintf(stderr, "Update trial endtime\n"); dhtlog_handle->update_trial (trialuid, gets_completed); GNUNET_DHTLOG_disconnect(dhtlog_handle); dhtlog_handle = NULL; } if (hostkey_meter != NULL) free_meter(hostkey_meter); if (peer_start_meter != NULL) free_meter(peer_start_meter); if (peer_connect_meter != NULL) free_meter(peer_connect_meter); if (put_meter != NULL) free_meter(put_meter); if (get_meter != NULL) free_meter(get_meter); ok = 0; } /** * Callback for iterating over all the peer connections of a peer group. */ void log_topology_cb (void *cls, const struct GNUNET_PeerIdentity *first, const struct GNUNET_PeerIdentity *second, struct GNUNET_TIME_Relative latency, uint32_t distance, const char *emsg) { struct TopologyIteratorContext *topo_ctx = cls; if ((first != NULL) && (second != NULL)) { topo_ctx->total_connections++; if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(config, "dht_testing", "mysql_logging_extended")) dhtlog_handle->insert_extended_topology(first, second); } else { GNUNET_assert(dhtlog_handle != NULL); GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Topology iteration (%u/%u) finished (%u connections)\n", topo_ctx->current_iteration, topo_ctx->total_iterations, topo_ctx->total_connections); dhtlog_handle->update_topology(topo_ctx->total_connections); if (topo_ctx->cont != NULL) GNUNET_SCHEDULER_add_now (sched, topo_ctx->cont, topo_ctx->cls); GNUNET_free(topo_ctx); } } /** * Iterator over hash map entries. * * @param cls closure - always NULL * @param key current key code * @param value value in the hash map, a stats context * @return GNUNET_YES if we should continue to * iterate, * GNUNET_NO if not. */ static int stats_iterate (void *cls, const GNUNET_HashCode * key, void *value) { struct StatisticsIteratorContext *stats_ctx; if (value == NULL) return GNUNET_NO; stats_ctx = value; dhtlog_handle->insert_stat(stats_ctx->peer, stats_ctx->stat_routes, stats_ctx->stat_route_forwards, stats_ctx->stat_results, stats_ctx->stat_results_to_client, stats_ctx->stat_result_forwards, stats_ctx->stat_gets, stats_ctx->stat_puts, stats_ctx->stat_puts_inserted, stats_ctx->stat_find_peer, stats_ctx->stat_find_peer_start, stats_ctx->stat_get_start, stats_ctx->stat_put_start, stats_ctx->stat_find_peer_reply, stats_ctx->stat_get_reply, stats_ctx->stat_find_peer_answer, stats_ctx->stat_get_response_start); GNUNET_free(stats_ctx); return GNUNET_YES; } static void stats_finished (void *cls, int result) { fprintf(stderr, "Finished getting all peers statistics, iterating!\n"); GNUNET_CONTAINER_multihashmap_iterate(stats_map, &stats_iterate, NULL); GNUNET_CONTAINER_multihashmap_destroy(stats_map); GNUNET_SCHEDULER_add_now (sched, &finish_testing, NULL); } /** * Callback function to process statistic values. * * @param cls closure * @param peer the peer the statistics belong to * @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 */ static int stats_handle (void *cls, const struct GNUNET_PeerIdentity *peer, const char *subsystem, const char *name, uint64_t value, int is_persistent) { struct StatisticsIteratorContext *stats_ctx; if (dhtlog_handle != NULL) dhtlog_handle->add_generic_stat(peer, name, subsystem, value); if (GNUNET_CONTAINER_multihashmap_contains(stats_map, &peer->hashPubKey)) { stats_ctx = GNUNET_CONTAINER_multihashmap_get(stats_map, &peer->hashPubKey); } else { stats_ctx = GNUNET_malloc(sizeof(struct StatisticsIteratorContext)); stats_ctx->peer = peer; GNUNET_CONTAINER_multihashmap_put(stats_map, &peer->hashPubKey, stats_ctx, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY); } GNUNET_assert(stats_ctx != NULL); if (strcmp(name, STAT_ROUTES) == 0) stats_ctx->stat_routes = value; else if (strcmp(name, STAT_ROUTE_FORWARDS) == 0) stats_ctx->stat_route_forwards = value; else if (strcmp(name, STAT_RESULTS) == 0) stats_ctx->stat_results = value; else if (strcmp(name, STAT_RESULTS_TO_CLIENT) == 0) stats_ctx->stat_results_to_client = value; else if (strcmp(name, STAT_RESULT_FORWARDS) == 0) stats_ctx->stat_result_forwards = value; else if (strcmp(name, STAT_GETS) == 0) stats_ctx->stat_gets = value; else if (strcmp(name, STAT_PUTS) == 0) stats_ctx->stat_puts = value; else if (strcmp(name, STAT_PUTS_INSERTED) == 0) stats_ctx->stat_puts_inserted = value; else if (strcmp(name, STAT_FIND_PEER) == 0) stats_ctx->stat_find_peer = value; else if (strcmp(name, STAT_FIND_PEER_START) == 0) stats_ctx->stat_find_peer_start = value; else if (strcmp(name, STAT_GET_START) == 0) stats_ctx->stat_get_start = value; else if (strcmp(name, STAT_PUT_START) == 0) stats_ctx->stat_put_start = value; else if (strcmp(name, STAT_FIND_PEER_REPLY) == 0) stats_ctx->stat_find_peer_reply = value; else if (strcmp(name, STAT_GET_REPLY) == 0) stats_ctx->stat_get_reply = value; else if (strcmp(name, STAT_FIND_PEER_ANSWER) == 0) stats_ctx->stat_find_peer_answer = value; else if (strcmp(name, STAT_GET_RESPONSE_START) == 0) stats_ctx->stat_get_response_start = value; return GNUNET_OK; } /** * Connect to statistics service for each peer and get the appropriate * dht statistics for safe keeping. */ static void log_dht_statistics (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { stats_map = GNUNET_CONTAINER_multihashmap_create(num_peers); fprintf(stderr, "Starting statistics logging\n"); GNUNET_TESTING_get_statistics(pg, &stats_finished, &stats_handle, NULL); } /** * Connect to all peers in the peer group and iterate over their * connections. */ static void capture_current_topology (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TopologyIteratorContext *topo_ctx = cls; dhtlog_handle->insert_topology(0); GNUNET_TESTING_get_topology (pg, &log_topology_cb, topo_ctx); } /** * Check if the get_handle is being used, if so stop the request. Either * way, schedule the end_badly_cont function which actually shuts down the * test. */ static void end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failing test with error: `%s'!\n", (char *)cls); struct TestPutContext *test_put = all_puts; struct TestGetContext *test_get = all_gets; while (test_put != NULL) { if (test_put->disconnect_task != GNUNET_SCHEDULER_NO_TASK) GNUNET_SCHEDULER_cancel(sched, test_put->disconnect_task); if (test_put->dht_handle != NULL) GNUNET_DHT_disconnect(test_put->dht_handle); test_put = test_put->next; } while (test_get != NULL) { if (test_get->disconnect_task != GNUNET_SCHEDULER_NO_TASK) GNUNET_SCHEDULER_cancel(sched, test_get->disconnect_task); if (test_get->get_handle != NULL) GNUNET_DHT_get_stop(test_get->get_handle, NULL, NULL); if (test_get->dht_handle != NULL) GNUNET_DHT_disconnect(test_get->dht_handle); test_get = test_get->next; } GNUNET_TESTING_daemons_stop (pg, DEFAULT_TIMEOUT, &shutdown_callback, NULL); if (dhtlog_handle != NULL) { fprintf(stderr, "Update trial endtime\n"); dhtlog_handle->update_trial (trialuid, gets_completed); GNUNET_DHTLOG_disconnect(dhtlog_handle); dhtlog_handle = NULL; } if (hostkey_meter != NULL) free_meter(hostkey_meter); if (peer_start_meter != NULL) free_meter(peer_start_meter); if (peer_connect_meter != NULL) free_meter(peer_connect_meter); if (put_meter != NULL) free_meter(put_meter); if (get_meter != NULL) free_meter(get_meter); ok = 1; } /** * Task to release DHT handle associated with GET request. */ static void get_stop_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestGetContext *test_get = cls; struct TopologyIteratorContext *topo_ctx; outstanding_gets--; /* GET is really finished */ GNUNET_DHT_disconnect(test_get->dht_handle); test_get->dht_handle = NULL; #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "%d gets succeeded, %d gets failed!\n", gets_completed, gets_failed); #endif update_meter(get_meter); if ((gets_completed + gets_failed == num_gets) && (outstanding_gets == 0)) { GNUNET_SCHEDULER_cancel(sched, die_task); //GNUNET_SCHEDULER_add_now(sched, &finish_testing, NULL); if (dhtlog_handle != NULL) { topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext)); topo_ctx->cont = &log_dht_statistics; GNUNET_SCHEDULER_add_now(sched, &capture_current_topology, topo_ctx); } else GNUNET_SCHEDULER_add_now (sched, &finish_testing, NULL); } } /** * Task to release get handle. */ static void get_stop_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestGetContext *test_get = cls; if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT) gets_failed++; GNUNET_assert(test_get->get_handle != NULL); GNUNET_DHT_get_stop(test_get->get_handle, &get_stop_finished, test_get); test_get->get_handle = NULL; test_get->disconnect_task = GNUNET_SCHEDULER_NO_TASK; } /** * Iterator called if the GET request initiated returns a response. * * @param cls closure * @param exp when will this value expire * @param key key of the result * @param type type of the result * @param size number of bytes in data * @param data pointer to the result data */ void get_result_iterator (void *cls, struct GNUNET_TIME_Absolute exp, const GNUNET_HashCode * key, uint32_t type, uint32_t size, const void *data) { struct TestGetContext *test_get = cls; GNUNET_HashCode search_key; /* Key stored under */ char original_data[test_data_size]; /* Made up data to store */ memset(original_data, test_get->uid, sizeof(original_data)); GNUNET_CRYPTO_hash(original_data, test_data_size, &search_key); if (test_get->succeeded == GNUNET_YES) return; /* Get has already been successful, probably ending now */ if ((0 != memcmp(&search_key, key, sizeof (GNUNET_HashCode))) || (0 != memcmp(original_data, data, sizeof(original_data)))) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Key or data is not the same as was inserted!\n"); } else { gets_completed++; test_get->succeeded = GNUNET_YES; } #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received correct GET response!\n"); #endif GNUNET_SCHEDULER_cancel(sched, test_get->disconnect_task); GNUNET_SCHEDULER_add_continuation(sched, &get_stop_task, test_get, GNUNET_SCHEDULER_REASON_PREREQ_DONE); } /** * Continuation telling us GET request was sent. */ static void get_continuation (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { // Is there something to be done here? if (tc->reason != GNUNET_SCHEDULER_REASON_PREREQ_DONE) return; } /** * Set up some data, and call API PUT function */ static void do_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestGetContext *test_get = cls; GNUNET_HashCode key; /* Made up key to store data under */ char data[test_data_size]; /* Made up data to store */ if (num_gets == 0) { GNUNET_SCHEDULER_cancel(sched, die_task); GNUNET_SCHEDULER_add_now(sched, &finish_testing, NULL); } if (test_get == NULL) return; /* End of the list */ memset(data, test_get->uid, sizeof(data)); GNUNET_CRYPTO_hash(data, test_data_size, &key); if (outstanding_gets > max_outstanding_gets) { GNUNET_SCHEDULER_add_delayed (sched, get_delay, &do_get, test_get); return; } test_get->dht_handle = GNUNET_DHT_connect(sched, test_get->daemon->cfg, 10); /* Insert the data at the first peer */ GNUNET_assert(test_get->dht_handle != NULL); outstanding_gets++; test_get->get_handle = GNUNET_DHT_get_start(test_get->dht_handle, GNUNET_TIME_relative_get_forever(), 1, &key, &get_result_iterator, test_get, &get_continuation, test_get); #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting get for uid %u from peer %s\n", test_get->uid, test_get->daemon->shortname); #endif test_get->disconnect_task = GNUNET_SCHEDULER_add_delayed(sched, get_timeout, &get_stop_task, test_get); GNUNET_SCHEDULER_add_now (sched, &do_get, test_get->next); } /** * Called when the PUT request has been transmitted to the DHT service. * Schedule the GET request for some time in the future. */ static void put_finished (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestPutContext *test_put = cls; struct TopologyIteratorContext *topo_ctx; outstanding_puts--; puts_completed++; if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT) fprintf(stderr, "PUT Request failed!\n"); GNUNET_SCHEDULER_cancel(sched, test_put->disconnect_task); test_put->disconnect_task = GNUNET_SCHEDULER_add_now(sched, &put_disconnect_task, test_put); if (GNUNET_YES == update_meter(put_meter)) { GNUNET_assert(outstanding_puts == 0); GNUNET_SCHEDULER_cancel (sched, die_task); if (dhtlog_handle != NULL) { topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext)); topo_ctx->cont = &do_get; topo_ctx->cls = all_gets; topo_ctx->timeout = DEFAULT_GET_TIMEOUT; die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_add(GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout), DEFAULT_TOPOLOGY_CAPTURE_TIMEOUT), &end_badly, "from do gets"); GNUNET_SCHEDULER_add_now(sched, &capture_current_topology, topo_ctx); } else { die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_add(DEFAULT_GET_TIMEOUT, all_get_timeout), &end_badly, "from do gets"); GNUNET_SCHEDULER_add_delayed(sched, DEFAULT_GET_TIMEOUT, &do_get, all_gets); GNUNET_SCHEDULER_add_now (sched, &finish_testing, NULL); } return; } } /** * Set up some data, and call API PUT function */ static void do_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestPutContext *test_put = cls; GNUNET_HashCode key; /* Made up key to store data under */ char data[test_data_size]; /* Made up data to store */ uint32_t rand; if (test_put == NULL) return; /* End of list */ memset(data, test_put->uid, sizeof(data)); GNUNET_CRYPTO_hash(data, test_data_size, &key); if (outstanding_puts > max_outstanding_puts) { GNUNET_SCHEDULER_add_delayed (sched, put_delay, &do_put, test_put); return; } #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting put for uid %u from peer %s\n", test_put->uid, test_put->daemon->shortname); #endif test_put->dht_handle = GNUNET_DHT_connect(sched, test_put->daemon->cfg, 10); GNUNET_assert(test_put->dht_handle != NULL); outstanding_puts++; GNUNET_DHT_put(test_put->dht_handle, &key, 1, sizeof(data), data, GNUNET_TIME_absolute_get_forever(), GNUNET_TIME_relative_get_forever(), &put_finished, test_put); test_put->disconnect_task = GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_get_forever(), &put_disconnect_task, test_put); rand = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, 2); GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, rand), &do_put, test_put->next); } /** * Context for sending out find peer requests. */ struct FindPeerContext { /** * How long to send find peer requests, once the settle time * is over don't send any more out! * * TODO: Add option for settle time and find peer sending time? */ struct GNUNET_TIME_Absolute endtime; /** * Number of connections in the current topology * (after this round of find peer requests has ended). */ unsigned int current_peers; /** * Number of connections in the current topology * (before this round of find peer requests started). */ unsigned int previous_peers; /** * Number of find peer requests we have currently * outstanding. */ unsigned int outstanding; /** * Number of find peer requests to send in this round. */ unsigned int total; /** * Number of find peer requests sent last time around. */ unsigned int last_sent; /** * Hashmap of peers in the current topology, value * is a PeerCount, with the number of connections * this peer has. */ struct GNUNET_CONTAINER_MultiHashMap *peer_hash; /** * Min heap which orders values in the peer_hash for * easy lookup. */ struct GNUNET_CONTAINER_Heap *peer_min_heap; }; static void schedule_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc); /** * Given a number of total peers and a bucket size, estimate the number of * connections in a perfect kademlia topology. */ static unsigned int connection_estimate(unsigned int peer_count, unsigned int bucket_size) { unsigned int i; unsigned int filled; i = num_peers; filled = 0; while (i >= bucket_size) { filled++; i = i/2; } filled++; /* Add one filled bucket to account for one "half full" and some miscellaneous */ return filled * bucket_size * peer_count; } struct PeerCount { /** Node in the heap */ struct GNUNET_CONTAINER_HeapNode *heap_node; /** Peer the count refers to */ struct GNUNET_PeerIdentity peer_id; /** Count of connections this peer has */ unsigned int count; }; /** * Add a connection to the find_peer_context given. This may * be complete overkill, but allows us to choose the peers with * the least connections to initiate find peer requests from. */ static void add_new_connection(struct FindPeerContext *find_peer_context, const struct GNUNET_PeerIdentity *first, const struct GNUNET_PeerIdentity *second) { struct PeerCount *first_count; struct PeerCount *second_count; if (GNUNET_CONTAINER_multihashmap_contains(find_peer_context->peer_hash, &first->hashPubKey)) { first_count = GNUNET_CONTAINER_multihashmap_get(find_peer_context->peer_hash, &first->hashPubKey); first_count->count++; GNUNET_CONTAINER_heap_update_cost(find_peer_context->peer_min_heap, first_count->heap_node, first_count->count); } else { first_count = GNUNET_malloc(sizeof(struct PeerCount)); first_count->count = 1; memcpy(&first_count->peer_id, first, sizeof(struct GNUNET_PeerIdentity)); first_count->heap_node = GNUNET_CONTAINER_heap_insert(find_peer_context->peer_min_heap, first_count, first_count->count); GNUNET_CONTAINER_multihashmap_put(find_peer_context->peer_hash, &first->hashPubKey, first_count, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY); } if (GNUNET_CONTAINER_multihashmap_contains(find_peer_context->peer_hash, &second->hashPubKey)) { second_count = GNUNET_CONTAINER_multihashmap_get(find_peer_context->peer_hash, &second->hashPubKey); second_count->count++; GNUNET_CONTAINER_heap_update_cost(find_peer_context->peer_min_heap, second_count->heap_node, second_count->count); } else { second_count = GNUNET_malloc(sizeof(struct PeerCount)); second_count->count = 1; memcpy(&second_count->peer_id, second, sizeof(struct GNUNET_PeerIdentity)); second_count->heap_node = GNUNET_CONTAINER_heap_insert(find_peer_context->peer_min_heap, second_count, second_count->count); GNUNET_CONTAINER_multihashmap_put(find_peer_context->peer_hash, &second->hashPubKey, second_count, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY); } } /** * Callback for iterating over all the peer connections of a peer group. */ void count_peers_cb (void *cls, const struct GNUNET_PeerIdentity *first, const struct GNUNET_PeerIdentity *second, struct GNUNET_TIME_Relative latency, uint32_t distance, const char *emsg) { struct FindPeerContext *find_peer_context = cls; if ((first != NULL) && (second != NULL)) { add_new_connection(find_peer_context, first, second); find_peer_context->current_peers++; } else { GNUNET_assert(dhtlog_handle != NULL); /*GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Peer count finished (%u connections), %u new peers, connection estimate %u\n", find_peer_context->current_peers, find_peer_context->current_peers - find_peer_context->previous_peers, connection_estimate(num_peers, DEFAULT_BUCKET_SIZE));*/ if ((find_peer_context->current_peers - find_peer_context->previous_peers > FIND_PEER_THRESHOLD) && (find_peer_context->current_peers < connection_estimate(num_peers, DEFAULT_BUCKET_SIZE)) && (GNUNET_TIME_absolute_get_remaining(find_peer_context->endtime).value > 0)) { GNUNET_SCHEDULER_add_now(sched, &schedule_find_peer_requests, find_peer_context); } else { fprintf(stderr, "Not sending any more find peer requests.\n"); } } } /** * Connect to all peers in the peer group and iterate over their * connections. */ static void count_new_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct FindPeerContext *find_peer_context = cls; find_peer_context->previous_peers = find_peer_context->current_peers; find_peer_context->current_peers = 0; GNUNET_TESTING_get_topology (pg, &count_peers_cb, find_peer_context); } static void decrement_find_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestFindPeer *test_find_peer = cls; GNUNET_assert(test_find_peer->find_peer_context->outstanding > 0); test_find_peer->find_peer_context->outstanding--; test_find_peer->find_peer_context->total--; if ((0 == test_find_peer->find_peer_context->total) && (GNUNET_TIME_absolute_get_remaining(test_find_peer->find_peer_context->endtime).value > 0)) { GNUNET_SCHEDULER_add_now(sched, &count_new_peers, test_find_peer->find_peer_context); } GNUNET_free(test_find_peer); } /** * A find peer request has been sent to the server, now we will schedule a task * to wait the appropriate time to allow the request to go out and back. * * @param cls closure - a TestFindPeer struct * @param tc context the task is being called with */ static void handle_find_peer_sent (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestFindPeer *test_find_peer = cls; GNUNET_DHT_disconnect(test_find_peer->dht_handle); GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_divide(find_peer_delay, 2), &decrement_find_peers, test_find_peer); } static void send_find_peer_request (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct TestFindPeer *test_find_peer = cls; if (test_find_peer->find_peer_context->outstanding > max_outstanding_find_peers) { GNUNET_SCHEDULER_add_delayed(sched, find_peer_offset, &send_find_peer_request, test_find_peer); return; } test_find_peer->find_peer_context->outstanding++; if (GNUNET_TIME_absolute_get_remaining(test_find_peer->find_peer_context->endtime).value == 0) { GNUNET_SCHEDULER_add_now(sched, &decrement_find_peers, test_find_peer); return; } test_find_peer->dht_handle = GNUNET_DHT_connect(sched, test_find_peer->daemon->cfg, 1); GNUNET_assert(test_find_peer->dht_handle != NULL); GNUNET_DHT_find_peers (test_find_peer->dht_handle, &handle_find_peer_sent, test_find_peer); } /** * Iterator over hash map entries. * * @param cls closure * @param key current key code * @param value value in the hash map * @return GNUNET_YES if we should continue to * iterate, * GNUNET_NO if not. */ static int remove_peer_count (void *cls, const GNUNET_HashCode * key, void *value) { struct FindPeerContext *find_peer_ctx = cls; struct PeerCount *peer_count = value; GNUNET_CONTAINER_heap_remove_node(find_peer_ctx->peer_min_heap, peer_count->heap_node); GNUNET_free(peer_count); return GNUNET_YES; } /** * Set up a single find peer request for each peer in the topology. Do this * until the settle time is over, limited by the number of outstanding requests * and the time allowed for each one! */ static void schedule_find_peer_requests (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct FindPeerContext *find_peer_ctx = cls; struct TestFindPeer *test_find_peer; struct PeerCount *peer_count; uint32_t i; uint32_t random; if (find_peer_ctx->previous_peers == 0) /* First time, go slowly */ find_peer_ctx->total = 1; else if (find_peer_ctx->current_peers - find_peer_ctx->previous_peers > MAX_FIND_PEER_CUTOFF) /* Found LOTS of peers, still go slowly */ find_peer_ctx->total = find_peer_ctx->last_sent - (find_peer_ctx->last_sent / 8); #if USE_MIN else if (find_peer_ctx->current_peers - find_peer_ctx->previous_peers < MIN_FIND_PEER_CUTOFF) find_peer_ctx->total = find_peer_ctx->last_sent * 2; /* FIXME: always multiply by two (unless above max?) */ else find_peer_ctx->total = find_peer_ctx->last_sent; #else else find_peer_ctx->total = find_peer_ctx->last_sent * 2; #endif if (find_peer_ctx->total > max_outstanding_find_peers) find_peer_ctx->total = max_outstanding_find_peers; find_peer_ctx->last_sent = find_peer_ctx->total; GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Sending %u find peer messages (goal %u connections)\n", find_peer_ctx->total, connection_estimate(num_peers, DEFAULT_BUCKET_SIZE)); find_peer_offset = GNUNET_TIME_relative_divide(find_peer_delay, find_peer_ctx->total); for (i = 0; i < find_peer_ctx->total; i++) { test_find_peer = GNUNET_malloc(sizeof(struct TestFindPeer)); if (find_peer_ctx->previous_peers == 0) /* If we haven't sent any requests, yet choose random peers */ { /** * Attempt to spread find peer requests across even sections of the peer address * space. Choose basically 1 peer in every num_peers / max_outstanding_requests * each time, then offset it by a randomish value. * * For instance, if num_peers is 100 and max_outstanding is 10, first chosen peer * will be between 0 - 10, second between 10 - 20, etc. */ random = (num_peers / find_peer_ctx->total) * i; random = random + GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, (num_peers / find_peer_ctx->total)); if (random >= num_peers) { random = random - num_peers; } #if REAL_RANDOM random = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers); #endif test_find_peer->daemon = GNUNET_TESTING_daemon_get(pg, random); } else /* If we have sent requests, choose peers with a low number of connections to send requests from */ { peer_count = GNUNET_CONTAINER_heap_remove_root(find_peer_ctx->peer_min_heap); GNUNET_CONTAINER_multihashmap_remove(find_peer_ctx->peer_hash, &peer_count->peer_id.hashPubKey, peer_count); test_find_peer->daemon = GNUNET_TESTING_daemon_get_by_id(pg, &peer_count->peer_id); GNUNET_assert(test_find_peer->daemon != NULL); } test_find_peer->find_peer_context = find_peer_ctx; GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(find_peer_offset, i), &send_find_peer_request, test_find_peer); } if ((find_peer_ctx->peer_hash == NULL) && (find_peer_ctx->peer_min_heap == NULL)) { find_peer_ctx->peer_hash = GNUNET_CONTAINER_multihashmap_create(num_peers); find_peer_ctx->peer_min_heap = GNUNET_CONTAINER_heap_create(GNUNET_CONTAINER_HEAP_ORDER_MIN); } else { GNUNET_CONTAINER_multihashmap_iterate(find_peer_ctx->peer_hash, &remove_peer_count, find_peer_ctx); GNUNET_CONTAINER_multihashmap_destroy(find_peer_ctx->peer_hash); find_peer_ctx->peer_hash = GNUNET_CONTAINER_multihashmap_create(num_peers); } GNUNET_assert(0 == GNUNET_CONTAINER_multihashmap_size(find_peer_ctx->peer_hash)); GNUNET_assert(0 == GNUNET_CONTAINER_heap_get_size(find_peer_ctx->peer_min_heap)); } /** * Set up some all of the put and get operations we want * to do. Allocate data structure for each, add to list, * then call actual insert functions. */ static void setup_puts_and_gets (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { int i; uint32_t temp_daemon; struct TestPutContext *test_put; struct TestGetContext *test_get; int remember[num_puts][num_peers]; memset(&remember, 0, sizeof(int) * num_puts * num_peers); for (i = 0; i < num_puts; i++) { test_put = GNUNET_malloc(sizeof(struct TestPutContext)); test_put->uid = i; temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers); test_put->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon); test_put->next = all_puts; all_puts = test_put; } for (i = 0; i < num_gets; i++) { test_get = GNUNET_malloc(sizeof(struct TestGetContext)); test_get->uid = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_puts); temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers); while (remember[test_get->uid][temp_daemon] == 1) temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers); test_get->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon); remember[test_get->uid][temp_daemon] = 1; test_get->next = all_gets; all_gets = test_get; } /*GNUNET_SCHEDULER_cancel (sched, die_task);*/ die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, num_puts * 2), &end_badly, "from do puts"); GNUNET_SCHEDULER_add_now (sched, &do_put, all_puts); } /** * Set up some all of the put and get operations we want * to do. Allocate data structure for each, add to list, * then call actual insert functions. */ static void continue_puts_and_gets (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { int i; int max; struct TopologyIteratorContext *topo_ctx; struct FindPeerContext *find_peer_context; if (dhtlog_handle != NULL) { if (settle_time >= 180 * 2) max = (settle_time / 180) - 2; else max = 1; for (i = 1; i < max; i++) { topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext)); topo_ctx->current_iteration = i; topo_ctx->total_iterations = max; //fprintf(stderr, "scheduled topology iteration in %d minutes\n", i); GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MINUTES, i * 3), &capture_current_topology, topo_ctx); } topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext)); topo_ctx->cont = &setup_puts_and_gets; GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time), &capture_current_topology, topo_ctx); } else GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time), &setup_puts_and_gets, NULL); if (GNUNET_YES == do_find_peer) { find_peer_context = GNUNET_malloc(sizeof(struct FindPeerContext)); find_peer_context->endtime = GNUNET_TIME_relative_to_absolute(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time)); GNUNET_SCHEDULER_add_now(sched, &schedule_find_peer_requests, find_peer_context); } } /** * Task to release DHT handles */ static void malicious_disconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct MaliciousContext *ctx = cls; outstanding_malicious--; malicious_completed++; ctx->disconnect_task = GNUNET_SCHEDULER_NO_TASK; GNUNET_DHT_disconnect(ctx->dht_handle); ctx->dht_handle = NULL; GNUNET_free(ctx); if (malicious_completed == malicious_getters + malicious_putters + malicious_droppers) { GNUNET_SCHEDULER_cancel(sched, die_task); fprintf(stderr, "Finished setting all malicious peers up, calling continuation!\n"); if (dhtlog_handle != NULL) GNUNET_SCHEDULER_add_now (sched, &continue_puts_and_gets, NULL); else GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time), &continue_puts_and_gets, NULL); } } /** * Task to release DHT handles */ static void malicious_done_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct MaliciousContext *ctx = cls; GNUNET_SCHEDULER_cancel(sched, ctx->disconnect_task); GNUNET_SCHEDULER_add_now(sched, &malicious_disconnect_task, ctx); } /** * Set up some data, and call API PUT function */ static void set_malicious (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct MaliciousContext *ctx = cls; int ret; if (outstanding_malicious > DEFAULT_MAX_OUTSTANDING_GETS) { GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100), &set_malicious, ctx); return; } if (ctx->dht_handle == NULL) { ctx->dht_handle = GNUNET_DHT_connect(sched, ctx->daemon->cfg, 1); outstanding_malicious++; } GNUNET_assert(ctx->dht_handle != NULL); #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting peer %s malicious type %d\n", ctx->daemon->shortname, ctx->malicious_type); #endif ret = GNUNET_YES; switch (ctx->malicious_type) { case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET: ret = GNUNET_DHT_set_malicious_getter(ctx->dht_handle, malicious_get_frequency, &malicious_done_task, ctx); break; case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT: ret = GNUNET_DHT_set_malicious_putter(ctx->dht_handle, malicious_put_frequency, &malicious_done_task, ctx); break; case GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP: ret = GNUNET_DHT_set_malicious_dropper(ctx->dht_handle, &malicious_done_task, ctx); break; default: break; } if (ret == GNUNET_NO) { GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_MILLISECONDS, 100), &set_malicious, ctx); } else ctx->disconnect_task = GNUNET_SCHEDULER_add_delayed(sched, GNUNET_TIME_relative_get_forever(), &malicious_disconnect_task, ctx); } /** * Select randomly from set of known peers, * set the desired number of peers to the * proper malicious types. */ static void setup_malicious_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc) { struct MaliciousContext *ctx; int i; uint32_t temp_daemon; for (i = 0; i < malicious_getters; i++) { ctx = GNUNET_malloc(sizeof(struct MaliciousContext)); temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers); ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon); ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_GET; GNUNET_SCHEDULER_add_now (sched, &set_malicious, ctx); } for (i = 0; i < malicious_putters; i++) { ctx = GNUNET_malloc(sizeof(struct MaliciousContext)); temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers); ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon); ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_PUT; GNUNET_SCHEDULER_add_now (sched, &set_malicious, ctx); } for (i = 0; i < malicious_droppers; i++) { ctx = GNUNET_malloc(sizeof(struct MaliciousContext)); temp_daemon = GNUNET_CRYPTO_random_u32(GNUNET_CRYPTO_QUALITY_WEAK, num_peers); ctx->daemon = GNUNET_TESTING_daemon_get(pg, temp_daemon); ctx->malicious_type = GNUNET_MESSAGE_TYPE_DHT_MALICIOUS_DROP; GNUNET_SCHEDULER_add_now (sched, &set_malicious, ctx); } if (malicious_getters + malicious_putters + malicious_droppers > 0) die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, (malicious_getters + malicious_putters + malicious_droppers) * 2), &end_badly, "from set malicious"); else { if (dhtlog_handle != NULL) GNUNET_SCHEDULER_add_now (sched, &continue_puts_and_gets, NULL); else GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time), &continue_puts_and_gets, NULL); } } /** * This function is called whenever a connection attempt is finished between two of * the started peers (started with GNUNET_TESTING_daemons_start). The total * number of times this function is called should equal the number returned * from the GNUNET_TESTING_connect_topology call. * * The emsg variable is NULL on success (peers connected), and non-NULL on * failure (peers failed to connect). */ void topology_callback (void *cls, const struct GNUNET_PeerIdentity *first, const struct GNUNET_PeerIdentity *second, uint32_t distance, const struct GNUNET_CONFIGURATION_Handle *first_cfg, const struct GNUNET_CONFIGURATION_Handle *second_cfg, struct GNUNET_TESTING_Daemon *first_daemon, struct GNUNET_TESTING_Daemon *second_daemon, const char *emsg) { struct TopologyIteratorContext *topo_ctx; if (emsg == NULL) { total_connections++; #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "connected peer %s to peer %s, distance %u\n", first_daemon->shortname, second_daemon->shortname, distance); #endif } #if VERBOSE else { failed_connections++; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to connect peer %s to peer %s with error :\n%s\n", first_daemon->shortname, second_daemon->shortname, emsg); } #endif GNUNET_assert(peer_connect_meter != NULL); if (GNUNET_YES == update_meter(peer_connect_meter)) { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Created %d total connections, which is our target number! Starting next phase of testing.\n", total_connections); #endif if (dhtlog_handle != NULL) { dhtlog_handle->update_connections (trialuid, total_connections); dhtlog_handle->insert_topology(expected_connections); } GNUNET_SCHEDULER_cancel (sched, die_task); /*die_task = GNUNET_SCHEDULER_add_delayed (sched, DEFAULT_TIMEOUT, &end_badly, "from setup puts/gets");*/ if ((dhtlog_handle != NULL) && (settle_time > 0)) { topo_ctx = GNUNET_malloc(sizeof(struct TopologyIteratorContext)); topo_ctx->cont = &setup_malicious_peers; //topo_ctx->cont = &continue_puts_and_gets; GNUNET_SCHEDULER_add_now(sched, &capture_current_topology, topo_ctx); } else { GNUNET_SCHEDULER_add_now(sched, &setup_malicious_peers, NULL); /*GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, settle_time), &continue_puts_and_gets, NULL);*/ } } else if (total_connections + failed_connections == expected_connections) { GNUNET_SCHEDULER_cancel (sched, die_task); die_task = GNUNET_SCHEDULER_add_now (sched, &end_badly, "from topology_callback (too many failed connections)"); } } static void peers_started_callback (void *cls, const struct GNUNET_PeerIdentity *id, const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_TESTING_Daemon *d, const char *emsg) { if (emsg != NULL) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Failed to start daemon with error: `%s'\n", emsg); return; } GNUNET_assert (id != NULL); #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Started daemon %llu out of %llu\n", (num_peers - peers_left) + 1, num_peers); #endif peers_left--; if (GNUNET_YES == update_meter(peer_start_meter)) { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All %d daemons started, now connecting peers!\n", num_peers); #endif GNUNET_SCHEDULER_cancel (sched, die_task); expected_connections = -1; if ((pg != NULL) && (peers_left == 0)) { expected_connections = GNUNET_TESTING_connect_topology (pg, connect_topology, connect_topology_option, connect_topology_option_modifier); peer_connect_meter = create_meter(expected_connections, "Peer connection ", GNUNET_YES); fprintf(stderr, "Have %d expected connections\n", expected_connections); } if (expected_connections == GNUNET_SYSERR) { die_task = GNUNET_SCHEDULER_add_now (sched, &end_badly, "from connect topology (bad return)"); } die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, DEFAULT_CONNECT_TIMEOUT * expected_connections), &end_badly, "from connect topology (timeout)"); ok = 0; } } static void create_topology () { peers_left = num_peers; /* Reset counter */ if (GNUNET_TESTING_create_topology (pg, topology, blacklist_topology, blacklist_transports) != GNUNET_SYSERR) { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Topology set up, now starting peers!\n"); #endif GNUNET_TESTING_daemons_continue_startup(pg); } else { GNUNET_SCHEDULER_cancel (sched, die_task); die_task = GNUNET_SCHEDULER_add_now (sched, &end_badly, "from create topology (bad return)"); } GNUNET_free_non_null(blacklist_transports); GNUNET_SCHEDULER_cancel (sched, die_task); die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers), &end_badly, "from continue startup (timeout)"); } /** * Callback indicating that the hostkey was created for a peer. * * @param cls NULL * @param id the peer identity * @param d the daemon handle (pretty useless at this point, remove?) * @param emsg non-null on failure */ void hostkey_callback (void *cls, const struct GNUNET_PeerIdentity *id, struct GNUNET_TESTING_Daemon *d, const char *emsg) { if (emsg != NULL) { GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Hostkey callback received error: %s\n", emsg); } #if VERBOSE > 1 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Hostkey (%d/%d) created for peer `%s'\n", num_peers - peers_left, num_peers, GNUNET_i2s(id)); #endif peers_left--; if (GNUNET_YES == update_meter(hostkey_meter)) { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All %d hostkeys created, now creating topology!\n", num_peers); #endif GNUNET_SCHEDULER_cancel (sched, die_task); /* Set up task in case topology creation doesn't finish * within a reasonable amount of time */ die_task = GNUNET_SCHEDULER_add_delayed (sched, DEFAULT_TOPOLOGY_TIMEOUT, &end_badly, "from create_topology"); GNUNET_SCHEDULER_add_now(sched, &create_topology, NULL); ok = 0; } } static void run (void *cls, struct GNUNET_SCHEDULER_Handle *s, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) { struct stat frstat; struct GNUNET_DHTLOG_TrialInfo trial_info; struct GNUNET_TESTING_Host *hosts; struct GNUNET_TESTING_Host *temphost; char *topology_str; char *connect_topology_str; char *blacklist_topology_str; char *connect_topology_option_str; char *connect_topology_option_modifier_string; char *trialmessage; char *topology_percentage_str; float topology_percentage; char *topology_probability_str; char *hostfile; float topology_probability; unsigned long long temp_config_number; int stop_closest; int stop_found; int strict_kademlia; char *buf; char *data; int count; sched = s; config = cfg; memset(&trial_info, 0, sizeof(struct GNUNET_DHTLOG_TrialInfo)); /* Get path from configuration file */ if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string(cfg, "paths", "servicehome", &test_directory)) { ok = 404; return; } /** * Get DHT specific testing options. */ if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing", "mysql_logging")) || (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht_testing", "mysql_logging_extended"))) { dhtlog_handle = GNUNET_DHTLOG_connect(cfg); if (dhtlog_handle == NULL) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not connect to mysql server for logging, will NOT log dht operations!"); ok = 3306; return; } } stop_closest = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "stop_on_closest"); if (stop_closest == GNUNET_SYSERR) stop_closest = GNUNET_NO; stop_found = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "stop_found"); if (stop_found == GNUNET_SYSERR) stop_found = GNUNET_NO; strict_kademlia = GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "strict_kademlia"); if (strict_kademlia == GNUNET_SYSERR) strict_kademlia = GNUNET_NO; if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "dht_testing", "comment", &trialmessage)) trialmessage = NULL; if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "hostfile", &hostfile)) hostfile = NULL; hosts = NULL; temphost = NULL; if (hostfile != NULL) { if (GNUNET_OK != GNUNET_DISK_file_test (hostfile)) GNUNET_DISK_fn_write (hostfile, NULL, 0, GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE); if ((0 != STAT (hostfile, &frstat)) || (frstat.st_size == 0)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not open file specified for host list, ending test!"); ok = 1119; GNUNET_free_non_null(trialmessage); GNUNET_free(hostfile); return; } data = GNUNET_malloc_large (frstat.st_size); GNUNET_assert(data != NULL); if (frstat.st_size != GNUNET_DISK_fn_read (hostfile, data, frstat.st_size)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not read file %s specified for host list, ending test!", hostfile); GNUNET_free (hostfile); GNUNET_free (data); GNUNET_free_non_null(trialmessage); return; } GNUNET_free_non_null(hostfile); buf = data; count = 0; while (count < frstat.st_size) { count++; if (((data[count] == '\n') || (data[count] == '\0')) && (buf != &data[count])) { data[count] = '\0'; temphost = GNUNET_malloc(sizeof(struct GNUNET_TESTING_Host)); temphost->hostname = buf; temphost->next = hosts; hosts = temphost; buf = &data[count + 1]; } else if ((data[count] == '\n') || (data[count] == '\0')) buf = &data[count + 1]; } } if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_getters", &malicious_getters)) malicious_getters = 0; if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_putters", &malicious_putters)) malicious_putters = 0; if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "malicious_droppers", &malicious_droppers)) malicious_droppers = 0; if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "settle_time", &settle_time)) settle_time = 0; if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "num_puts", &num_puts)) num_puts = num_peers; if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "num_gets", &num_gets)) num_gets = num_peers; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "find_peer_delay", &temp_config_number)) find_peer_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number); else find_peer_delay = DEFAULT_FIND_PEER_DELAY; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_find_peers", &temp_config_number)) max_outstanding_find_peers = temp_config_number; else max_outstanding_find_peers = DEFAULT_MAX_OUTSTANDING_FIND_PEERS; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "get_timeout", &temp_config_number)) get_timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number); else get_timeout = DEFAULT_GET_TIMEOUT; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_puts", &temp_config_number)) max_outstanding_puts = temp_config_number; else max_outstanding_puts = DEFAULT_MAX_OUTSTANDING_PUTS; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "concurrent_gets", &temp_config_number)) max_outstanding_gets = temp_config_number; else max_outstanding_gets = DEFAULT_MAX_OUTSTANDING_GETS; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "timeout", &temp_config_number)) all_get_timeout = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number); else all_get_timeout.value = get_timeout.value * ((num_gets / max_outstanding_gets) + 1); if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "get_delay", &temp_config_number)) get_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number); else get_delay = DEFAULT_GET_DELAY; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "put_delay", &temp_config_number)) put_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number); else put_delay = DEFAULT_PUT_DELAY; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "peer_start_timeout", &temp_config_number)) seconds_per_peer_start = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number); else seconds_per_peer_start = DEFAULT_SECONDS_PER_PEER_START; if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (cfg, "dht_testing", "data_size", &temp_config_number)) test_data_size = temp_config_number; else test_data_size = DEFAULT_TEST_DATA_SIZE; /** * Get testing related options. */ if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING", "MALICIOUS_GET_FREQUENCY", &malicious_get_frequency)) malicious_get_frequency = DEFAULT_MALICIOUS_GET_FREQUENCY; if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING", "MALICIOUS_PUT_FREQUENCY", &malicious_put_frequency)) malicious_put_frequency = DEFAULT_MALICIOUS_PUT_FREQUENCY; if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "find_peers")) { do_find_peer = GNUNET_NO; } else do_find_peer = GNUNET_YES; if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING", "TRIAL_TO_RUN", &trial_to_run)) { trial_to_run = 0; } if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING", "FIND_PEER_DELAY", &temp_config_number)) { find_peer_delay = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_config_number); } else find_peer_delay = DEFAULT_FIND_PEER_DELAY; if (GNUNET_NO == GNUNET_CONFIGURATION_get_value_number (cfg, "DHT_TESTING", "OUTSTANDING_FIND_PEERS", &max_outstanding_find_peers)) max_outstanding_find_peers = DEFAULT_MAX_OUTSTANDING_FIND_PEERS; if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_yesno(cfg, "dht", "strict_kademlia")) max_outstanding_find_peers = max_outstanding_find_peers * 1; find_peer_offset = GNUNET_TIME_relative_divide (find_peer_delay, max_outstanding_find_peers); topology_str = NULL; if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "topology", &topology_str)) && (GNUNET_NO == GNUNET_TESTING_topology_get(&topology, topology_str))) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Invalid topology `%s' given for section %s option %s\n", topology_str, "TESTING", "TOPOLOGY"); topology = GNUNET_TESTING_TOPOLOGY_CLIQUE; /* Defaults to NONE, so set better default here */ } if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "percentage", &topology_percentage_str)) topology_percentage = 0.5; else { topology_percentage = atof (topology_percentage_str); GNUNET_free(topology_percentage_str); } if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "probability", &topology_probability_str)) topology_probability = 0.5; else { topology_probability = atof (topology_probability_str); GNUNET_free(topology_probability_str); } if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "connect_topology", &connect_topology_str)) && (GNUNET_NO == GNUNET_TESTING_topology_get(&connect_topology, connect_topology_str))) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Invalid connect topology `%s' given for section %s option %s\n", connect_topology_str, "TESTING", "CONNECT_TOPOLOGY"); } GNUNET_free_non_null(connect_topology_str); if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "connect_topology_option", &connect_topology_option_str)) && (GNUNET_NO == GNUNET_TESTING_topology_option_get(&connect_topology_option, connect_topology_option_str))) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Invalid connect topology option `%s' given for section %s option %s\n", connect_topology_option_str, "TESTING", "CONNECT_TOPOLOGY_OPTION"); connect_topology_option = GNUNET_TESTING_TOPOLOGY_OPTION_ALL; /* Defaults to NONE, set to ALL */ } GNUNET_free_non_null(connect_topology_option_str); if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "connect_topology_option_modifier", &connect_topology_option_modifier_string)) { if (sscanf(connect_topology_option_modifier_string, "%lf", &connect_topology_option_modifier) != 1) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, _("Invalid value `%s' for option `%s' in section `%s': expected float\n"), connect_topology_option_modifier_string, "connect_topology_option_modifier", "TESTING"); } GNUNET_free (connect_topology_option_modifier_string); } if (GNUNET_YES != GNUNET_CONFIGURATION_get_value_string (cfg, "testing", "blacklist_transports", &blacklist_transports)) blacklist_transports = NULL; if ((GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(cfg, "testing", "blacklist_topology", &blacklist_topology_str)) && (GNUNET_NO == GNUNET_TESTING_topology_get(&blacklist_topology, blacklist_topology_str))) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Invalid topology `%s' given for section %s option %s\n", topology_str, "TESTING", "BLACKLIST_TOPOLOGY"); } GNUNET_free_non_null(topology_str); GNUNET_free_non_null(blacklist_topology_str); /* Get number of peers to start from configuration */ if (GNUNET_SYSERR == GNUNET_CONFIGURATION_get_value_number (cfg, "testing", "num_peers", &num_peers)) { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Number of peers must be specified in section %s option %s\n", topology_str, "TESTING", "NUM_PEERS"); } GNUNET_assert(num_peers > 0 && num_peers < (unsigned long long)-1); /* Set peers_left so we know when all peers started */ peers_left = num_peers; /* Set up a task to end testing if peer start fails */ die_task = GNUNET_SCHEDULER_add_delayed (sched, GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers), &end_badly, "didn't generate all hostkeys within allowed startup time!"); if (dhtlog_handle == NULL) GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "dhtlog_handle is NULL!"); trial_info.other_identifier = (unsigned int)trial_to_run; trial_info.num_nodes = peers_left; trial_info.topology = topology; trial_info.blacklist_topology = blacklist_topology; trial_info.connect_topology = connect_topology; trial_info.connect_topology_option = connect_topology_option; trial_info.connect_topology_option_modifier = connect_topology_option_modifier; trial_info.topology_percentage = topology_percentage; trial_info.topology_probability = topology_probability; trial_info.puts = num_puts; trial_info.gets = num_gets; trial_info.concurrent = max_outstanding_gets; trial_info.settle_time = settle_time; trial_info.num_rounds = 1; trial_info.malicious_getters = malicious_getters; trial_info.malicious_putters = malicious_putters; trial_info.malicious_droppers = malicious_droppers; trial_info.malicious_get_frequency = malicious_get_frequency; trial_info.malicious_put_frequency = malicious_put_frequency; trial_info.stop_closest = stop_closest; trial_info.stop_found = stop_found; trial_info.strict_kademlia = strict_kademlia; if (trialmessage != NULL) trial_info.message = trialmessage; else trial_info.message = ""; if (dhtlog_handle != NULL) dhtlog_handle->insert_trial(&trial_info); GNUNET_free_non_null(trialmessage); hostkey_meter = create_meter(peers_left, "Hostkeys created ", GNUNET_YES); peer_start_meter = create_meter(peers_left, "Peers started ", GNUNET_YES); put_meter = create_meter(num_puts, "Puts completed ", GNUNET_YES); get_meter = create_meter(num_gets, "Gets completed ", GNUNET_YES); pg = GNUNET_TESTING_daemons_start (sched, cfg, peers_left, GNUNET_TIME_relative_multiply(seconds_per_peer_start, num_peers), &hostkey_callback, NULL, &peers_started_callback, NULL, &topology_callback, NULL, hosts); GNUNET_free_non_null(temphost); } int main (int argc, char *argv[]) { int ret; struct GNUNET_GETOPT_CommandLineOption options[] = { GNUNET_GETOPT_OPTION_END }; ret = GNUNET_PROGRAM_run (argc, argv, "gnunet-dht-driver", "nohelp", options, &run, &ok); if (ret != GNUNET_OK) { GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "`gnunet-dht-driver': Failed with error code %d\n", ret); } /** * Need to remove base directory, subdirectories taken care * of by the testing framework. */ if (GNUNET_DISK_directory_remove (test_directory) != GNUNET_OK) { GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Failed to remove testing directory %s\n", test_directory); } return ret; } /* end of gnunet-dht-driver.c */