2 This file is part of GNUnet.
3 (C) 2008--2013 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file testbed/gnunet-testbed-profiler.c
23 * @brief Profiling driver for the testbed.
24 * @author Sree Harsha Totakura <sreeharsha@totakura.in>
28 #include "gnunet_util_lib.h"
29 #include "gnunet_testbed_service.h"
30 #include "testbed_api_hosts.h"
33 * Generic loggins shorthand
35 #define LOG(kind,...) \
36 GNUNET_log (kind, __VA_ARGS__)
40 * Handle to global configuration
42 struct GNUNET_CONFIGURATION_Handle *cfg;
45 * Peer linking - topology operation
47 struct GNUNET_TESTBED_Operation *topology_op;
50 * Name of the file with the hosts to run the test over (configuration option).
51 * It will be NULL if ENABLE_LL is set
53 static char *hosts_file;
56 * Abort task identifier
58 static GNUNET_SCHEDULER_TaskIdentifier abort_task;
61 * Shutdown task identifier
63 static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
66 * Global event mask for all testbed events
71 * Number of peers to be started by the profiler
73 static unsigned int num_peers;
76 * Number of timeout failures to tolerate
78 static unsigned int num_cont_fails;
81 * Continuous failures during overlay connect operations
83 static unsigned int cont_fails;
86 * Links which are successfully established
88 static unsigned int established_links;
91 * Links which are not successfully established
93 static unsigned int failed_links;
96 * Global testing status
105 * @param tc the task context
108 do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
110 shutdown_task = GNUNET_SCHEDULER_NO_TASK;
111 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
113 GNUNET_SCHEDULER_cancel (abort_task);
114 abort_task = GNUNET_SCHEDULER_NO_TASK;
118 GNUNET_CONFIGURATION_destroy (cfg);
121 GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
126 * abort task to run on test timed out
129 * @param tc the task context
132 do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
134 LOG (GNUNET_ERROR_TYPE_WARNING, "Aborting\n");
135 abort_task = GNUNET_SCHEDULER_NO_TASK;
136 result = GNUNET_SYSERR;
137 if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
138 GNUNET_SCHEDULER_cancel (shutdown_task);
139 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
144 * Function to print summary about how many overlay links we have made and how
148 print_overlay_links_summary ()
150 static int printed_already;
152 if (GNUNET_YES == printed_already)
154 printed_already = GNUNET_YES;
155 printf ("%u links succeeded\n", established_links);
156 printf ("%u links failed due to timeouts\n", failed_links);
161 * Controller event callback
164 * @param event the controller event
167 controller_event_cb (void *cls,
168 const struct GNUNET_TESTBED_EventInformation *event)
172 case GNUNET_TESTBED_ET_OPERATION_FINISHED:
173 /* Control reaches here when a peer linking operation fails */
174 if (NULL != event->details.operation_finished.emsg)
179 if (++cont_fails > num_cont_fails)
181 printf ("\nAborting due to very high failure rate\n");
182 print_overlay_links_summary ();
183 if (GNUNET_SCHEDULER_NO_TASK != abort_task)
184 GNUNET_SCHEDULER_cancel (abort_task);
185 abort_task = GNUNET_SCHEDULER_add_now (&do_abort, NULL);
190 case GNUNET_TESTBED_ET_CONNECT:
194 if (0 == established_links)
195 printf ("Establishing links. Please wait\n");
208 * Signature of a main function for a testcase.
211 * @param h the run handle
212 * @param num_peers number of peers in 'peers'
213 * @param peers handle to peers run in the testbed
214 * @param links_succeeded the number of overlay link connection attempts that
216 * @param links_failed the number of overlay link
220 struct GNUNET_TESTBED_RunHandle *h,
221 unsigned int num_peers, struct GNUNET_TESTBED_Peer **peers,
222 unsigned int links_succeeded,
223 unsigned int links_failed)
226 fprintf (stdout, "\n");
227 print_overlay_links_summary ();
229 fprintf (stdout, "Testbed running, waiting for keystroke to shut down\n");
233 fprintf (stdout, "Shutting down. Please wait\n");
235 shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
240 * Main function that will be run by the scheduler.
243 * @param args remaining command-line arguments
244 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
245 * @param config configuration
248 run (void *cls, char *const *args, const char *cfgfile,
249 const struct GNUNET_CONFIGURATION_Handle *config)
253 LOG (GNUNET_ERROR_TYPE_ERROR, _("Exiting as the number of peers is %u\n"),
257 cfg = GNUNET_CONFIGURATION_dup (config);
259 event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
260 event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
261 GNUNET_TESTBED_run (hosts_file, cfg, num_peers, event_mask, controller_event_cb,
262 NULL, &test_run, NULL);
264 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &do_abort,
272 * @return 0 on success
275 main (int argc, char *const *argv)
277 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
278 {'p', "num-peers", "COUNT",
279 gettext_noop ("create COUNT number of peers"),
280 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_peers},
281 {'e', "num-errors", "COUNT",
282 gettext_noop ("tolerate COUNT number of continious timeout failures"),
283 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_cont_fails},
285 {'H', "hosts", "FILENAME",
286 gettext_noop ("name of the file with the login information for the testbed"),
287 GNUNET_YES, &GNUNET_GETOPT_set_string, &hosts_file},
289 GNUNET_GETOPT_OPTION_END
291 const char *binaryHelp = "gnunet-testbed-profiler [OPTIONS]";
294 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
296 result = GNUNET_SYSERR;
298 GNUNET_PROGRAM_run (argc, argv, "gnunet-testbed-profiler", binaryHelp,
299 options, &run, NULL);
300 GNUNET_free ((void *) argv);
301 if (GNUNET_OK != ret)
303 if (GNUNET_OK != result)