2 This file is part of GNUnet
3 (C) 2012 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 consensus/gnunet-consensus-profiler.c
23 * @brief profiling tool for gnunet-consensus
24 * @author Florian Dold
27 #include "gnunet_util_lib.h"
28 #include "gnunet_consensus_service.h"
29 #include "gnunet_testbed_service.h"
31 static unsigned int num_peers = 2;
33 static unsigned int replication = 1;
35 static unsigned int num_values = 5;
37 static struct GNUNET_TIME_Relative conclude_timeout;
39 static struct GNUNET_CONSENSUS_Handle **consensus_handles;
41 static struct GNUNET_TESTBED_Operation **testbed_operations;
43 static unsigned int num_connected_handles;
45 static struct GNUNET_TESTBED_Peer **peers;
47 static struct GNUNET_PeerIdentity *peer_ids;
49 static unsigned int num_retrieved_peer_ids;
51 static struct GNUNET_HashCode session_id;
53 static unsigned int peers_done = 0;
55 static unsigned *results_for_peer;
61 * Signature of the event handler function called by the
62 * respective event controller.
65 * @param event information about the event
68 controller_cb(void *cls,
69 const struct GNUNET_TESTBED_EventInformation *event)
75 destroy (void *cls, const struct GNUNET_SCHEDULER_TaskContext *ctx)
77 struct GNUNET_CONSENSUS_Handle *consensus;
79 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "destroying consensus\n");
80 GNUNET_CONSENSUS_destroy (consensus);
82 if (peers_done == num_peers)
85 for (i = 0; i < num_peers; i++)
86 GNUNET_TESTBED_operation_done (testbed_operations[i]);
87 for (i = 0; i < num_peers; i++)
88 printf ("P%u got %u of %u elements\n", i, results_for_peer[i], num_values);
89 GNUNET_SCHEDULER_shutdown ();
95 * Called when a conclusion was successful.
97 * @param cls closure, the consensus handle
98 * @return GNUNET_YES if more consensus groups should be offered, GNUNET_NO if not
101 conclude_cb (void *cls)
103 struct GNUNET_CONSENSUS_Handle **chp = cls;
104 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "consensus %d done\n", chp - consensus_handles);
105 GNUNET_SCHEDULER_add_now (destroy, *chp);
110 generate_indices (int *indices)
114 while (j < replication)
119 n = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
121 for (k = 0; k < j; k++)
127 if (GNUNET_NO == repeat)
136 int unique_indices[replication];
139 for (i = 0; i < num_values; i++)
142 struct GNUNET_HashCode *val;
143 struct GNUNET_SET_Element *element;
144 generate_indices(unique_indices);
146 val = GNUNET_malloc (sizeof *val);
147 GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, val);
149 element = GNUNET_malloc (sizeof *element);
151 element->size = sizeof *val;
153 for (j = 0; j < replication; j++)
156 cid = unique_indices[j];
157 GNUNET_CONSENSUS_insert (consensus_handles[cid], element, NULL, NULL);
161 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "all elements inserted, calling conclude\n");
163 for (i = 0; i < num_peers; i++)
164 GNUNET_CONSENSUS_conclude (consensus_handles[i], conclude_timeout, conclude_cb, &consensus_handles[i]);
169 * Callback to be called when a service connect operation is completed
171 * @param cls the callback closure from functions generating an operation
172 * @param op the operation that has been finished
173 * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
174 * @param emsg error message in case the operation has failed; will be NULL if
175 * operation has executed successfully.
178 connect_complete (void *cls,
179 struct GNUNET_TESTBED_Operation *op,
186 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "testbed connect emsg: %s\n", emsg);
190 num_connected_handles++;
192 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "connect complete\n");
194 if (num_connected_handles == num_peers)
202 new_element_cb (void *cls,
203 const struct GNUNET_SET_Element *element)
205 struct GNUNET_CONSENSUS_Handle **chp = cls;
206 int idx = chp - consensus_handles;
208 GNUNET_assert (NULL != cls);
210 results_for_peer[idx]++;
212 GNUNET_assert (sizeof (struct GNUNET_HashCode) == element->size);
214 if (GNUNET_YES == verbose)
216 printf ("P%d received %s\n", idx, GNUNET_h2s ((struct GNUNET_HashCode *) element->data));
222 * Adapter function called to establish a connection to
226 * @param cfg configuration of the peer to connect to; will be available until
227 * GNUNET_TESTBED_operation_done() is called on the operation returned
228 * from GNUNET_TESTBED_service_connect()
229 * @return service handle to return in 'op_result', NULL on error
232 connect_adapter (void *cls,
233 const struct GNUNET_CONFIGURATION_Handle *cfg)
235 struct GNUNET_CONSENSUS_Handle **chp = cls;
236 struct GNUNET_CONSENSUS_Handle *consensus;
237 chp = (struct GNUNET_CONSENSUS_Handle **) cls;
239 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "connect adapter, %d peers\n", num_peers);
240 consensus = GNUNET_CONSENSUS_create (cfg, num_peers, peer_ids, &session_id, new_element_cb, chp);
241 *chp = (struct GNUNET_CONSENSUS_Handle *) consensus;
247 * Adapter function called to destroy a connection to
251 * @param op_result service handle returned from the connect adapter
254 disconnect_adapter(void *cls, void *op_result)
256 /* FIXME: what to do here? */
261 * Callback to be called when the requested peer information is available
263 * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
264 * @param op the operation this callback corresponds to
265 * @param pinfo the result; will be NULL if the operation has failed
266 * @param emsg error message if the operation has failed; will be NULL if the
267 * operation is successfull
270 peer_info_cb (void *cb_cls,
271 struct GNUNET_TESTBED_Operation *op,
272 const struct GNUNET_TESTBED_PeerInformation *pinfo,
275 struct GNUNET_PeerIdentity *p;
278 GNUNET_assert (NULL == emsg);
280 p = (struct GNUNET_PeerIdentity *) cb_cls;
282 if (pinfo->pit == GNUNET_TESTBED_PIT_IDENTITY)
284 *p = *pinfo->result.id;
285 num_retrieved_peer_ids++;
286 if (num_retrieved_peer_ids == num_peers)
287 for (i = 0; i < num_peers; i++)
288 testbed_operations[i] =
289 GNUNET_TESTBED_service_connect (NULL, peers[i], "consensus", connect_complete, NULL,
290 connect_adapter, disconnect_adapter, &consensus_handles[i]);
297 GNUNET_TESTBED_operation_done (op);
302 * Signature of a main function for a testcase.
305 * @param h the run handle
306 * @param num_peers number of peers in 'peers'
307 * @param started_peers handle to peers run in the testbed. NULL upon timeout (see
308 * GNUNET_TESTBED_test_run()).
309 * @param links_succeeded the number of overlay link connection attempts that
311 * @param links_failed the number of overlay link connection attempts that
315 test_master (void *cls,
316 struct GNUNET_TESTBED_RunHandle *h,
317 unsigned int num_peers,
318 struct GNUNET_TESTBED_Peer **started_peers,
319 unsigned int links_succeeded,
320 unsigned int links_failed)
324 GNUNET_log_setup ("gnunet-consensus", "INFO", NULL);
326 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test master\n");
328 peers = started_peers;
330 peer_ids = GNUNET_malloc (num_peers * sizeof (struct GNUNET_PeerIdentity));
332 results_for_peer = GNUNET_malloc (num_peers * sizeof (unsigned int));
333 consensus_handles = GNUNET_malloc (num_peers * sizeof (struct ConsensusHandle *));
334 testbed_operations = GNUNET_malloc (num_peers * sizeof (struct ConsensusHandle *));
336 for (i = 0; i < num_peers; i++)
337 GNUNET_TESTBED_peer_get_information (peers[i],
338 GNUNET_TESTBED_PIT_IDENTITY,
344 run (void *cls, char *const *args, const char *cfgfile,
345 const struct GNUNET_CONFIGURATION_Handle *cfg)
347 static char *session_str = "gnunet-consensus/test";
349 int topology_cmp_result;
351 if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testbed", "OVERLAY_TOPOLOGY", &topology))
353 fprintf (stderr, "'OVERLAY_TOPOLOGY' not found in 'testbed' config section, "
354 "seems like you passed the wrong configuration file\n");
358 topology_cmp_result = strcasecmp (topology, "NONE");
359 GNUNET_free (topology);
361 if (0 == topology_cmp_result)
363 fprintf (stderr, "'OVERLAY_TOPOLOGY' set to 'NONE', "
364 "seems like you passed the wrong configuration file\n");
368 if (num_peers < replication)
370 fprintf (stderr, "k must be <=n\n");
374 GNUNET_log (GNUNET_ERROR_TYPE_INFO, "running gnunet-consensus\n");
376 GNUNET_CRYPTO_hash (session_str, strlen(session_str), &session_id);
378 (void) GNUNET_TESTBED_test_run ("gnunet-consensus",
390 main (int argc, char **argv)
392 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
393 { 'n', "num-peers", NULL,
394 gettext_noop ("number of peers in consensus"),
395 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_peers },
396 { 'k', "value-replication", NULL,
397 gettext_noop ("how many peers receive one value?"),
398 GNUNET_YES, &GNUNET_GETOPT_set_uint, &replication },
399 { 'x', "num-values", NULL,
400 gettext_noop ("number of values"),
401 GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_values },
402 { 't', "timeout", NULL,
403 gettext_noop ("consensus timeout"),
404 GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &conclude_timeout },
405 { 'V', "verbose", NULL,
406 gettext_noop ("be more verbose (print received values)"),
407 GNUNET_NO, &GNUNET_GETOPT_set_one, &verbose },
408 GNUNET_GETOPT_OPTION_END
410 conclude_timeout = GNUNET_TIME_UNIT_SECONDS;
411 GNUNET_PROGRAM_run2 (argc, argv, "gnunet-consensus",
413 options, &run, NULL, GNUNET_YES);