diff options
Diffstat (limited to 'src/nse/gnunet-nse-profiler.c')
| -rw-r--r-- | src/nse/gnunet-nse-profiler.c | 934 |
1 files changed, 934 insertions, 0 deletions
diff --git a/src/nse/gnunet-nse-profiler.c b/src/nse/gnunet-nse-profiler.c new file mode 100644 index 0000000..a10d237 --- /dev/null +++ b/src/nse/gnunet-nse-profiler.c @@ -0,0 +1,934 @@ +/* + 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; + + /** + * How many messages have been discarded. + */ + unsigned long long total_discarded; +}; + + +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, "%s", "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); + if (GNUNET_SCHEDULER_NO_TASK != pos->stats_task) + { + GNUNET_SCHEDULER_cancel (pos->stats_task); + if (NULL != pos->stats) + GNUNET_STATISTICS_destroy(pos->stats, GNUNET_NO); + } + 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; + + if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0) + { + GNUNET_STATISTICS_destroy(peer->stats, GNUNET_NO); + peer->stats = NULL; + return; + } + 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); + } + peer->stats_task = GNUNET_SCHEDULER_NO_TASK; +} + +/** + * 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); + + buf = NULL; + buf_len = + GNUNET_asprintf (&buf, "TOTAL_NSE_DISCARDED_%d: %u \n", + stats_context->shutdown, + stats_context->total_discarded); + 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; + } + if (0 == strcmp (name, "# flood messages discarded (clock skew too large)")) + { + stats_context->total_discarded += 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; + 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 */ |