--- /dev/null
+/*
+ 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 mesh/test_mesh_small.c
+ *
+ * @brief Test for the mesh service.
+ */
+#include "platform.h"
+#include "gnunet_testing_lib.h"
+#include "gnunet_mesh_service.h"
+
+#define VERBOSE GNUNET_NO
+
+struct MeshPeer
+{
+ struct MeshPeer *prev;
+
+ struct MeshPeer *next;
+
+ struct GNUNET_TESTING_Daemon *daemon;
+
+ struct GNUNET_MESH_Handle *mesh_handle;
+};
+
+
+struct StatsContext
+{
+ unsigned long long total_mesh_bytes;
+};
+
+
+// static struct MeshPeer *peer_head;
+//
+// static struct MeshPeer *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;
+
+/**
+ * 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;
+
+static char *data_filename;
+
+/**
+ * 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);
+}
+
+
+static void
+connect_mesh_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 mesh 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, "test_mesh_small: connecting to mesh 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_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);
+ }
+ 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_MESH_BYTES: %u\n",
+ stats_context->total_mesh_bytes);
+ if (buf_len > 0)
+ {
+ GNUNET_DISK_file_write(data_file, buf, buf_len);
+ }
+ GNUNET_free_non_null(buf);
+ }
+
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == shutdown_handle);
+ shutdown_handle = GNUNET_SCHEDULER_add_now(&shutdown_task, 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 == strstr(subsystem, "nse")) &&
+// (0 == strstr(name, "# flood messages received")) )
+ stats_context->total_mesh_bytes += 1; //value;
+ return GNUNET_OK;
+}
+
+
+static void
+disconnect_mesh_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 mesh 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);
+// GNUNET_free(pos);
+// }
+
+ GNUNET_asprintf(&buf,
+ "round%llu",
+ current_round);
+ if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_number (testing_cfg,
+ "test_mesh_small",
+ buf,
+ &peers_next_round))
+ {
+ current_round++;
+ 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));
+ 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_mesh_peers, NULL);
+ GNUNET_SCHEDULER_add_now(&connect_mesh_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_mesh_service, NULL);
+ GNUNET_assert(disconnect_task == GNUNET_SCHEDULER_NO_TASK);
+ disconnect_task = GNUNET_SCHEDULER_add_delayed(wait_time,
+ &disconnect_mesh_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
+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!\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_SCHEDULER_add_now(&connect_mesh_service, NULL);
+ disconnect_task = GNUNET_SCHEDULER_add_delayed(wait_time, &disconnect_mesh_peers, 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;
+ unsigned long long temp_wait;
+ struct GNUNET_TESTING_Host *hosts;
+
+ ok = 1;
+ testing_cfg = (struct GNUNET_CONFIGURATION_Handle *)cfg; // GNUNET_CONFIGURATION_create();
+#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_number (testing_cfg,
+ "test_mesh_small",
+ "wait_time",
+ &temp_wait))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+ "Option nsetest_mesh_small:wait_time is required!\n");
+ return;
+ }
+
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number (testing_cfg,
+ "test_mesh_small", "connection_limit",
+ &connection_limit))
+ {
+ connection_limit = 0;
+ }
+
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (testing_cfg,
+ "testing", "topology_output_file",
+ &topology_file))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+ "Option test_mesh_small:topology_output_file is required!\n");
+ return;
+ }
+
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (testing_cfg,
+ "test_mesh_small", "data_output_file",
+ &data_filename))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+ "Option test_mesh_small:data_output_file is required!\n");
+ return;
+ }
+
+ data_file = GNUNET_DISK_file_open (data_filename,
+ GNUNET_DISK_OPEN_READWRITE
+ | 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);
+
+ wait_time = GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, temp_wait);
+
+ if (GNUNET_YES == GNUNET_CONFIGURATION_get_value_string(cfg,
+ "test_mesh_small",
+ "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);
+}
+
+
+
+/**
+ * test_mesh_small 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 ("test_mesh_small",
+#if VERBOSE
+ "DEBUG",
+#else
+ "WARNING",
+#endif
+ NULL);
+ GNUNET_PROGRAM_run (argc,
+ argv, "test_mesh_small",
+ gettext_noop ("Test mesh in a small network."),
+ options,
+ &run, NULL);
+#if REMOVE_DIR
+ GNUNET_DISK_directory_remove ("/tmp/test_mesh_small");
+#endif
+ return ok;
+}
+
+/* end of nse-profiler.c */
projects / oweals / gnunet.git / commitdiff