/* This file is part of GNUnet. (C) 2011 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 nse/gnunet-nse-profiler.c * * @brief Profiling driver for the network size estimation service. * Generally, the profiler starts a given number of peers, * then churns some off, waits a certain amount of time, then * churns again, and repeats. */ #include "platform.h" #include "gnunet_testing_lib.h" #include "gnunet_nse_service.h" #define VERBOSE 3 struct NSEPeer { struct NSEPeer *prev; struct NSEPeer *next; struct GNUNET_TESTING_Daemon *daemon; struct GNUNET_NSE_Handle *nse_handle; struct GNUNET_STATISTICS_Handle *stats; GNUNET_SCHEDULER_TaskIdentifier stats_task; }; struct StatsContext { /** * Whether or not shoutdown after finishing. */ int shutdown; /** * How many messages have peers received during the test. */ unsigned long long total_nse_received_messages; /** * How many messages have peers send during the test (should be == received). */ unsigned long long total_nse_transmitted_messages; /** * How many messages have travelled an edge in both directions. */ unsigned long long total_nse_cross; /** * How many extra messages per edge (corrections) have been received. */ unsigned long long total_nse_extra; }; static struct NSEPeer *peer_head; static struct NSEPeer *peer_tail; /** * How long until we give up on connecting the peers? */ #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500) static int ok; /** * Be verbose */ static int verbose; /** * Total number of peers in the test. */ static unsigned long long num_peers; /** * Global configuration file */ static struct GNUNET_CONFIGURATION_Handle *testing_cfg; /** * Total number of currently running peers. */ static unsigned long long peers_running; /** * Current round we are in. */ static unsigned long long current_round; /** * Peers desired in the next round. */ static unsigned long long peers_next_round; /** * Maximum number of connections to NSE services. */ static unsigned long long connection_limit; /** * Total number of connections in the whole network. */ static unsigned int total_connections; /** * The currently running peer group. */ static struct GNUNET_TESTING_PeerGroup *pg; /** * File to report results to. */ static struct GNUNET_DISK_FileHandle *output_file; /** * File to log connection info, statistics to. */ static struct GNUNET_DISK_FileHandle *data_file; /** * How many data points to capture before triggering next round? */ static struct GNUNET_TIME_Relative wait_time; /** * NSE interval. */ static struct GNUNET_TIME_Relative interval; /** * Task called to disconnect peers. */ static GNUNET_SCHEDULER_TaskIdentifier disconnect_task; /** * Task called to shutdown test. */ static GNUNET_SCHEDULER_TaskIdentifier shutdown_handle; /** * Task used to churn the network. */ static GNUNET_SCHEDULER_TaskIdentifier churn_task; static char *topology_file; /** * Check whether peers successfully shut down. */ static void shutdown_callback (void *cls, const char *emsg) { if (emsg != NULL) { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown of peers failed!\n"); #endif if (ok == 0) ok = 666; } else { #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers successfully shut down!\n"); #endif ok = 0; } } static void shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { struct NSEPeer *pos; #if VERBOSE fprintf (stderr, "Ending test.\n"); #endif if (disconnect_task != GNUNET_SCHEDULER_NO_TASK) { GNUNET_SCHEDULER_cancel (disconnect_task); disconnect_task = GNUNET_SCHEDULER_NO_TASK; } while (NULL != (pos = peer_head)) { if (pos->nse_handle != NULL) GNUNET_NSE_disconnect (pos->nse_handle); GNUNET_CONTAINER_DLL_remove (peer_head, peer_tail, pos); GNUNET_free (pos); } if (data_file != NULL) GNUNET_DISK_file_close (data_file); GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL); } /** * Callback to call when network size estimate is updated. * * @param cls closure * @param timestamp server timestamp * @param estimate the value of the current network size estimate * @param std_dev standard deviation (rounded down to nearest integer) * of the size estimation values seen * */ static void handle_estimate (void *cls, struct GNUNET_TIME_Absolute timestamp, double estimate, double std_dev) { struct NSEPeer *peer = cls; char *output_buffer; size_t size; if (output_file != NULL) { size = GNUNET_asprintf (&output_buffer, "%s %llu %llu %f %f %f\n", GNUNET_i2s (&peer->daemon->id), peers_running, timestamp.abs_value, GNUNET_NSE_log_estimate_to_n (estimate), estimate, std_dev); if (size != GNUNET_DISK_file_write (output_file, output_buffer, size)) GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n"); GNUNET_free (output_buffer); } else fprintf (stderr, "Received network size estimate from peer %s. Size: %f std.dev. %f\n", GNUNET_i2s (&peer->daemon->id), estimate, std_dev); } /** * Process core 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 */ static int core_stats_iterator (void *cls, const char *subsystem, const char *name, uint64_t value, int is_persistent) { struct NSEPeer *peer = cls; char *output_buffer; size_t size; if (output_file != NULL) { size = GNUNET_asprintf (&output_buffer, "%s [%s] %s %llu\n", GNUNET_i2s (&peer->daemon->id), subsystem, name, value); if (size != GNUNET_DISK_file_write (output_file, output_buffer, size)) GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n"); GNUNET_free (output_buffer); } else GNUNET_log (GNUNET_ERROR_TYPE_INFO, "%s -> %s [%s]: %llu\n", GNUNET_i2s (&peer->daemon->id), subsystem, name, value); return GNUNET_OK; } /** * Continuation called by "get_stats" function. * * @param cls closure * @param success GNUNET_OK if statistics were * successfully obtained, GNUNET_SYSERR if not. */ static void core_stats_cont (void *cls, int success); static void core_get_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { struct NSEPeer *peer = cls; peer->stats_task = GNUNET_SCHEDULER_NO_TASK; if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0) { GNUNET_STATISTICS_destroy(peer->stats, GNUNET_NO); peer->stats = NULL; } else { GNUNET_STATISTICS_get(peer->stats, "core", NULL, GNUNET_TIME_UNIT_FOREVER_REL, &core_stats_cont, &core_stats_iterator, peer); GNUNET_STATISTICS_get(peer->stats, "transport", NULL, GNUNET_TIME_UNIT_FOREVER_REL, NULL, &core_stats_iterator, peer); GNUNET_STATISTICS_get(peer->stats, "nse", NULL, GNUNET_TIME_UNIT_FOREVER_REL, NULL, &core_stats_iterator, peer); } } /** * Continuation called by "get_stats" function. * * @param cls closure * @param success GNUNET_OK if statistics were * successfully obtained, GNUNET_SYSERR if not. */ static void core_stats_cont (void *cls, int success) { struct NSEPeer *peer = cls; peer->stats_task = GNUNET_SCHEDULER_add_delayed (interval, &core_get_stats, peer); } /** * */ static void connect_nse_service (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { struct NSEPeer *current_peer; unsigned int i; #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting to nse service of peers\n"); #endif for (i = 0; i < num_peers; i++) { if ((connection_limit > 0) && (i % (num_peers / connection_limit) != 0)) continue; #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "nse-profiler: connecting to nse service of peer %d\n", i); #endif current_peer = GNUNET_malloc (sizeof (struct NSEPeer)); current_peer->daemon = GNUNET_TESTING_daemon_get (pg, i); if (GNUNET_YES == GNUNET_TESTING_test_daemon_running (GNUNET_TESTING_daemon_get (pg, i))) { current_peer->nse_handle = GNUNET_NSE_connect (current_peer->daemon->cfg, &handle_estimate, current_peer); GNUNET_assert (current_peer->nse_handle != NULL); } current_peer->stats = GNUNET_STATISTICS_create("profiler", current_peer->daemon->cfg); GNUNET_STATISTICS_get(current_peer->stats, "core", NULL, GNUNET_TIME_UNIT_FOREVER_REL, &core_stats_cont, &core_stats_iterator, current_peer); GNUNET_STATISTICS_get(current_peer->stats, "transport", NULL, GNUNET_TIME_UNIT_FOREVER_REL, NULL, &core_stats_iterator, current_peer); GNUNET_STATISTICS_get(current_peer->stats, "nse", NULL, GNUNET_TIME_UNIT_FOREVER_REL, NULL, &core_stats_iterator, current_peer); GNUNET_CONTAINER_DLL_insert (peer_head, peer_tail, current_peer); } } static void churn_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc); /** * Continuation called by the "get_all" and "get" functions. * * @param cls struct StatsContext * @param success GNUNET_OK if statistics were * successfully obtained, GNUNET_SYSERR if not. */ static void stats_finished_callback (void *cls, int success) { struct StatsContext *stats_context = cls; char *buf; int buf_len; if ((GNUNET_OK == success) && (data_file != NULL)) { /* Stats lookup successful, write out data */ buf = NULL; buf_len = GNUNET_asprintf (&buf, "TOTAL_NSE_RECEIVED_MESSAGES_%d: %u \n", stats_context->shutdown, stats_context->total_nse_received_messages); if (buf_len > 0) { GNUNET_DISK_file_write (data_file, buf, buf_len); } GNUNET_free_non_null (buf); buf = NULL; buf_len = GNUNET_asprintf (&buf, "TOTAL_NSE_TRANSMITTED_MESSAGES_%d: %u\n", stats_context->shutdown, stats_context->total_nse_transmitted_messages); if (buf_len > 0) { GNUNET_DISK_file_write (data_file, buf, buf_len); } GNUNET_free_non_null (buf); buf = NULL; buf_len = GNUNET_asprintf (&buf, "TOTAL_NSE_CROSS_%d: %u \n", stats_context->shutdown, stats_context->total_nse_cross); if (buf_len > 0) { GNUNET_DISK_file_write (data_file, buf, buf_len); } GNUNET_free_non_null (buf); buf = NULL; buf_len = GNUNET_asprintf (&buf, "TOTAL_NSE_EXTRA_%d: %u \n", stats_context->shutdown, stats_context->total_nse_extra); if (buf_len > 0) { GNUNET_DISK_file_write (data_file, buf, buf_len); } GNUNET_free_non_null (buf); } if (GNUNET_YES == stats_context->shutdown) { GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == shutdown_handle); shutdown_handle = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL); } else { GNUNET_assert (churn_task == GNUNET_SCHEDULER_NO_TASK); churn_task = GNUNET_SCHEDULER_add_now (&churn_peers, NULL); } GNUNET_free (stats_context); } /** * Callback function to process statistic values. * * @param cls struct StatsContext * @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 statistics_iterator (void *cls, const struct GNUNET_PeerIdentity *peer, const char *subsystem, const char *name, uint64_t value, int is_persistent) { struct StatsContext *stats_context = cls; if (0 == strcmp (subsystem, "nse")) { if (0 == strcmp (name, "# flood messages received")) { stats_context->total_nse_received_messages += value; #if VERBOSE if (data_file != NULL) { char *buf; int buf_len; buf = NULL; buf_len = GNUNET_asprintf (&buf, "%s %u RECEIVED\n", GNUNET_i2s(peer), value); if (buf_len > 0) { GNUNET_DISK_file_write (data_file, buf, buf_len); } GNUNET_free_non_null (buf); } #endif } if (0 == strcmp (name, "# flood messages transmitted")) { stats_context->total_nse_transmitted_messages += value; #if VERBOSE if (data_file != NULL) { char *buf; int buf_len; buf = NULL; buf_len = GNUNET_asprintf (&buf, "%s %u TRANSMITTED\n", GNUNET_i2s(peer), value); if (buf_len > 0) { GNUNET_DISK_file_write (data_file, buf, buf_len); } GNUNET_free_non_null (buf); } #endif } if (0 == strcmp (name, "# cross messages")) { stats_context->total_nse_cross += value; } if (0 == strcmp (name, "# extra messages")) { stats_context->total_nse_extra += value; } } return GNUNET_OK; } static void disconnect_nse_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { struct NSEPeer *pos; char *buf; struct StatsContext *stats_context; GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "disconnecting nse service of peers\n"); disconnect_task = GNUNET_SCHEDULER_NO_TASK; pos = peer_head; while (NULL != (pos = peer_head)) { if (pos->nse_handle != NULL) { GNUNET_NSE_disconnect (pos->nse_handle); pos->nse_handle = NULL; } GNUNET_CONTAINER_DLL_remove (peer_head, peer_tail, pos); if (NULL != pos->stats) GNUNET_STATISTICS_destroy(pos->stats, GNUNET_NO); if (GNUNET_SCHEDULER_NO_TASK != pos->stats_task) GNUNET_SCHEDULER_cancel (pos->stats_task); GNUNET_free (pos); } GNUNET_asprintf (&buf, "round%llu", current_round); if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (testing_cfg, "nse-profiler", buf, &peers_next_round)) { current_round++; if (current_round == 1) { stats_context = GNUNET_malloc (sizeof (struct StatsContext)); stats_context->shutdown = GNUNET_NO; GNUNET_TESTING_get_statistics (pg, &stats_finished_callback, &statistics_iterator, stats_context); } else { GNUNET_assert (churn_task == GNUNET_SCHEDULER_NO_TASK); churn_task = GNUNET_SCHEDULER_add_now (&churn_peers, NULL); } } else /* No more rounds, let's shut it down! */ { stats_context = GNUNET_malloc (sizeof (struct StatsContext)); stats_context->shutdown = GNUNET_YES; GNUNET_SCHEDULER_cancel (shutdown_handle); shutdown_handle = GNUNET_SCHEDULER_NO_TASK; GNUNET_TESTING_get_statistics (pg, &stats_finished_callback, &statistics_iterator, stats_context); } GNUNET_free (buf); } /** * FIXME. * * @param cls unused * @param emsg NULL on success */ static void topology_output_callback (void *cls, const char *emsg) { disconnect_task = GNUNET_SCHEDULER_add_delayed (wait_time, &disconnect_nse_peers, NULL); GNUNET_SCHEDULER_add_now (&connect_nse_service, NULL); } /** * FIXME. * * @param cls closure * @param emsg NULL on success */ static void churn_callback (void *cls, const char *emsg) { char *temp_output_file; if (emsg == NULL) /* Everything is okay! */ { peers_running = peers_next_round; GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Round %llu, churn finished successfully.\n", current_round); GNUNET_assert (disconnect_task == GNUNET_SCHEDULER_NO_TASK); GNUNET_asprintf (&temp_output_file, "%s_%llu.dot", topology_file, current_round); GNUNET_TESTING_peergroup_topology_to_file (pg, temp_output_file, &topology_output_callback, NULL); GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Writing topology to file %s\n", temp_output_file); GNUNET_free (temp_output_file); } else { GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Round %llu, churn FAILED!!\n", current_round); GNUNET_SCHEDULER_cancel (shutdown_handle); shutdown_handle = GNUNET_SCHEDULER_add_now (&shutdown_task, NULL); } } static void churn_peers (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) { /* peers_running = GNUNET_TESTING_daemons_running(pg); */ churn_task = GNUNET_SCHEDULER_NO_TASK; if (peers_next_round == peers_running) { /* Nothing to do... */ GNUNET_SCHEDULER_add_now (&connect_nse_service, NULL); GNUNET_assert (disconnect_task == GNUNET_SCHEDULER_NO_TASK); disconnect_task = GNUNET_SCHEDULER_add_delayed (wait_time, &disconnect_nse_peers, NULL); GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Round %lu, doing nothing!\n", current_round); } else { if (peers_next_round > num_peers) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Asked to turn on more peers than we have!!\n"); GNUNET_SCHEDULER_cancel (shutdown_handle); GNUNET_SCHEDULER_add_now (&shutdown_task, NULL); } GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Round %llu, turning off %llu peers, turning on %llu peers!\n", current_round, (peers_running > peers_next_round) ? peers_running - peers_next_round : 0, (peers_next_round > peers_running) ? peers_next_round - peers_running : 0); GNUNET_TESTING_daemons_churn (pg, "nse", (peers_running > peers_next_round) ? peers_running - peers_next_round : 0, (peers_next_round > peers_running) ? peers_next_round - peers_running : 0, wait_time, &churn_callback, NULL); } } static void nse_started_cb (void *cls, const char *emsg) { GNUNET_SCHEDULER_add_now (&connect_nse_service, NULL); disconnect_task = GNUNET_SCHEDULER_add_delayed (wait_time, &disconnect_nse_peers, NULL); } static void my_cb (void *cls, const char *emsg) { char *buf; int buf_len; if (emsg != NULL) { GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peergroup callback called with error, aborting test!\n"); GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Error from testing: `%s'\n"); ok = 1; GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL); return; } #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer Group started successfully, connecting to NSE service for each peer!\n"); #endif GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Have %u connections\n", total_connections); if (data_file != NULL) { buf = NULL; buf_len = GNUNET_asprintf (&buf, "CONNECTIONS_0: %u\n", total_connections); if (buf_len > 0) GNUNET_DISK_file_write (data_file, buf, buf_len); GNUNET_free (buf); } peers_running = GNUNET_TESTING_daemons_running (pg); GNUNET_TESTING_daemons_start_service (pg, "nse", wait_time, &nse_started_cb, NULL); } /** * Function that will be called whenever two daemons are connected by * the testing library. * * @param cls closure * @param first peer id for first daemon * @param second peer id for the second daemon * @param distance distance between the connected peers * @param first_cfg config for the first daemon * @param second_cfg config for the second daemon * @param first_daemon handle for the first daemon * @param second_daemon handle for the second daemon * @param emsg error message (NULL on success) */ static void connect_cb (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) { if (emsg == NULL) total_connections++; } static void run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg) { char *temp_str; struct GNUNET_TESTING_Host *hosts; char *data_filename; ok = 1; //testing_cfg = GNUNET_CONFIGURATION_create (); testing_cfg = GNUNET_CONFIGURATION_dup (cfg); #if VERBOSE GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemons.\n"); GNUNET_CONFIGURATION_set_value_string (testing_cfg, "testing", "use_progressbars", "YES"); #endif if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg, "testing", "num_peers", &num_peers)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Option TESTING:NUM_PEERS is required!\n"); return; } if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_time (testing_cfg, "nse-profiler", "WAIT_TIME", &wait_time)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Option nse-profiler:wait_time is required!\n"); return; } if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_time (testing_cfg, "nse", "INTERVAL", &interval)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Option nse:interval is required!\n"); return; } if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg, "nse-profiler", "connection_limit", &connection_limit)) { connection_limit = 0; } if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (testing_cfg, "nse-profiler", "topology_output_file", &topology_file)) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Option nse-profiler:topology_output_file is required!\n"); return; } if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (testing_cfg, "nse-profiler", "data_output_file", &data_filename)) { data_file = GNUNET_DISK_file_open (data_filename, GNUNET_DISK_OPEN_READWRITE | GNUNET_DISK_OPEN_TRUNCATE | GNUNET_DISK_OPEN_CREATE, GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE); if (data_file == NULL) GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failed to open %s for output!\n", data_filename); GNUNET_free (data_filename); } if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string (cfg, "nse-profiler", "output_file", &temp_str)) { output_file = GNUNET_DISK_file_open (temp_str, GNUNET_DISK_OPEN_READWRITE | GNUNET_DISK_OPEN_CREATE, GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE); if (output_file == NULL) GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Failed to open %s for output!\n", temp_str); } GNUNET_free_non_null (temp_str); hosts = GNUNET_TESTING_hosts_load (testing_cfg); pg = GNUNET_TESTING_peergroup_start (testing_cfg, num_peers, TIMEOUT, &connect_cb, &my_cb, NULL, hosts); GNUNET_assert (pg != NULL); shutdown_handle = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_get_forever (), &shutdown_task, NULL); } /** * nse-profiler command line options */ static struct GNUNET_GETOPT_CommandLineOption options[] = { {'V', "verbose", NULL, gettext_noop ("be verbose (print progress information)"), 0, &GNUNET_GETOPT_set_one, &verbose}, GNUNET_GETOPT_OPTION_END }; int main (int argc, char *argv[]) { GNUNET_log_setup ("nse-profiler", #if VERBOSE "DEBUG", #else "WARNING", #endif NULL); GNUNET_PROGRAM_run (argc, argv, "nse-profiler", gettext_noop ("Measure quality and performance of the NSE service."), options, &run, NULL); #if REMOVE_DIR GNUNET_DISK_directory_remove ("/tmp/nse-profiler"); #endif return ok; } /* end of nse-profiler.c */