2 This file is part of GNUnet.
3 (C) 2009 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.
21 * @file dht/test_dht_api.c
22 * @brief base test case for dht api
24 * This test case tests DHT api to DUMMY DHT service communication.
28 #include "gnunet_common.h"
29 #include "gnunet_hello_lib.h"
30 #include "gnunet_getopt_lib.h"
31 #include "gnunet_os_lib.h"
32 #include "gnunet_program_lib.h"
33 #include "gnunet_scheduler_lib.h"
34 #include "gnunet_dht_service.h"
35 #include "gnunet_hello_lib.h"
37 #define VERBOSE GNUNET_NO
39 #define VERBOSE_ARM GNUNET_NO
41 #define START_ARM GNUNET_YES
44 * How long until we really give up on a particular testcase portion?
46 #define TOTAL_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 600)
49 * How long until we give up on any particular operation (and retry)?
51 #define BASE_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
58 * When to really abort the operation.
60 struct GNUNET_TIME_Absolute real_timeout;
63 * What timeout to set for the current attempt (increases)
65 struct GNUNET_TIME_Relative next_timeout;
68 * The context of the peer we are dealing with.
70 struct PeerContext *peer_ctx;
73 * The task identifier of the retry task, so it can be cancelled.
75 GNUNET_SCHEDULER_TaskIdentifier retry_task;
81 struct GNUNET_CONFIGURATION_Handle *cfg;
82 struct GNUNET_DHT_Handle *dht_handle;
83 struct GNUNET_PeerIdentity id;
84 struct GNUNET_DHT_GetHandle *get_handle;
85 struct GNUNET_DHT_FindPeerHandle *find_peer_handle;
88 struct GNUNET_OS_Process *arm_proc;
92 static struct PeerContext p1;
94 struct RetryContext retry_context;
99 GNUNET_SCHEDULER_TaskIdentifier die_task;
102 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
104 #define OKPP do { ok++; } while (0)
109 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
111 GNUNET_SCHEDULER_cancel (die_task);
112 die_task = GNUNET_SCHEDULER_NO_TASK;
113 GNUNET_DHT_disconnect (p1.dht_handle);
114 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
115 "DHT disconnected, returning success!\n");
120 stop_arm (struct PeerContext *p)
123 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
124 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
125 GNUNET_OS_process_wait (p->arm_proc);
126 GNUNET_OS_process_close (p->arm_proc);
129 GNUNET_CONFIGURATION_destroy (p->cfg);
138 fprintf (stderr, "Ending on an unhappy note.\n");
141 if ( (retry_context.peer_ctx != NULL) &&
142 (retry_context.peer_ctx->find_peer_handle != NULL) )
144 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Stopping find peer request!\n");
145 GNUNET_DHT_find_peer_stop(retry_context.peer_ctx->find_peer_handle);
147 if ( (retry_context.peer_ctx != NULL) &&
148 (retry_context.peer_ctx->get_handle != NULL) )
150 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Stopping get request!\n");
151 GNUNET_DHT_get_stop (retry_context.peer_ctx->get_handle);
153 if (retry_context.retry_task != GNUNET_SCHEDULER_NO_TASK)
154 GNUNET_SCHEDULER_cancel(retry_context.retry_task);
155 GNUNET_DHT_disconnect (p1.dht_handle);
161 * Signature of the main function of a task.
164 * @param tc context information (why was this task triggered now)
167 test_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
169 struct PeerContext *peer = cls;
171 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_find_peer_stop!\n");
172 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
175 GNUNET_SCHEDULER_cancel (die_task);
176 GNUNET_SCHEDULER_add_now (&end_badly, NULL);
180 GNUNET_assert (peer->dht_handle != NULL);
182 GNUNET_DHT_find_peer_stop (peer->find_peer_handle);
183 peer->find_peer_handle = NULL;
186 GNUNET_DHT_set_malicious_getter (peer->dht_handle, GNUNET_TIME_UNIT_SECONDS, NULL, NULL);
187 GNUNET_DHT_set_malicious_putter (peer->dht_handle, GNUNET_TIME_UNIT_SECONDS, NULL, NULL);
188 GNUNET_DHT_set_malicious_dropper (peer->dht_handle, NULL, NULL);
190 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1),
196 * Iterator called on each result obtained from a find peer
199 * @param cls closure (NULL)
200 * @param peer the peer we learned about
201 * @param reply response
203 void test_find_peer_processor (void *cls,
204 const struct GNUNET_HELLO_Message *hello)
206 struct RetryContext *retry_ctx = cls;
207 struct GNUNET_PeerIdentity peer;
209 if (GNUNET_OK == GNUNET_HELLO_get_id(hello, &peer))
211 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
212 "test_find_peer_processor called (peer `%s'), stopping find peer request!\n", GNUNET_i2s(&peer));
214 if (retry_ctx->retry_task != GNUNET_SCHEDULER_NO_TASK)
216 GNUNET_SCHEDULER_cancel(retry_ctx->retry_task);
217 retry_ctx->retry_task = GNUNET_SCHEDULER_NO_TASK;
220 GNUNET_SCHEDULER_add_continuation (&test_find_peer_stop, &p1,
221 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
225 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
226 "received find peer request, but hello_get_id failed!\n");
232 * Retry the find_peer task on timeout. (Forward declaration)
235 * @param tc context information (why was this task triggered now?)
238 retry_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
241 * Retry the find_peer task on timeout.
244 * @param tc context information (why was this task triggered now)
247 retry_find_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
249 struct RetryContext *retry_ctx = cls;
250 GNUNET_HashCode hash;
251 memset (&hash, 42, sizeof (GNUNET_HashCode));
253 if (GNUNET_TIME_absolute_get_remaining(retry_ctx->real_timeout).rel_value > 0)
255 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
256 "test_find_peer timed out, retrying!\n");
257 retry_ctx->next_timeout = GNUNET_TIME_relative_multiply(retry_ctx->next_timeout, 2);
258 retry_ctx->peer_ctx->find_peer_handle
259 = GNUNET_DHT_find_peer_start (retry_ctx->peer_ctx->dht_handle,
260 retry_ctx->next_timeout, &hash,
262 &test_find_peer_processor, retry_ctx);
266 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
267 "test_find_peer timed out for good, failing!\n");
269 retry_ctx->peer_ctx->find_peer_handle = NULL;
272 if (retry_ctx->peer_ctx->find_peer_handle == NULL)
275 GNUNET_SCHEDULER_cancel (die_task);
276 GNUNET_SCHEDULER_add_now (&end_badly, &p1);
279 retry_ctx->retry_task = GNUNET_SCHEDULER_add_delayed(retry_ctx->next_timeout, &retry_find_peer_stop, retry_ctx);
283 * Retry the find_peer task on timeout.
286 * @param tc context information (why was this task triggered now?)
289 retry_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
291 struct RetryContext *retry_ctx = cls;
292 GNUNET_HashCode hash;
293 memset (&hash, 42, sizeof (GNUNET_HashCode));
295 if (retry_ctx->peer_ctx->find_peer_handle != NULL)
297 GNUNET_DHT_find_peer_stop(retry_ctx->peer_ctx->find_peer_handle);
298 retry_ctx->peer_ctx->find_peer_handle = NULL;
300 GNUNET_SCHEDULER_add_now (&retry_find_peer, retry_ctx);
304 * Entry point for test of find_peer functionality.
307 * @param tc context information (why was this task triggered now)
310 test_find_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
312 struct PeerContext *peer = cls;
313 GNUNET_HashCode hash;
314 memset (&hash, 42, sizeof (GNUNET_HashCode));
316 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_find_peer!\n");
317 GNUNET_assert (peer->dht_handle != NULL);
319 retry_context.real_timeout = GNUNET_TIME_relative_to_absolute(TOTAL_TIMEOUT);
320 retry_context.next_timeout = BASE_TIMEOUT;
321 retry_context.peer_ctx = peer;
323 peer->find_peer_handle
324 = GNUNET_DHT_find_peer_start (peer->dht_handle, retry_context.next_timeout,
326 GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
327 &test_find_peer_processor, &retry_context);
329 if (peer->find_peer_handle == NULL)
332 GNUNET_SCHEDULER_cancel (die_task);
333 GNUNET_SCHEDULER_add_now (&end_badly, &p1);
336 retry_context.retry_task = GNUNET_SCHEDULER_add_delayed(retry_context.next_timeout, &retry_find_peer_stop, &retry_context);
340 * Signature of the main function of a task.
343 * @param tc context information (why was this task triggered now)
346 test_get_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
348 struct PeerContext *peer = cls;
350 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get_stop!\n");
351 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
354 GNUNET_SCHEDULER_cancel (die_task);
355 GNUNET_SCHEDULER_add_now (&end_badly, NULL);
358 GNUNET_assert (peer->dht_handle != NULL);
359 GNUNET_DHT_get_stop (peer->get_handle);
360 peer->get_handle = NULL;
361 GNUNET_SCHEDULER_add_now(&test_find_peer,
366 test_get_iterator (void *cls,
367 struct GNUNET_TIME_Absolute exp,
368 const GNUNET_HashCode * key,
369 const struct GNUNET_PeerIdentity * const *get_path,
370 const struct GNUNET_PeerIdentity * const *put_path,
371 enum GNUNET_BLOCK_Type type,
372 size_t size, const void *data)
374 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
375 "test_get_iterator called (we got a result), stopping get request!\n");
377 GNUNET_SCHEDULER_add_continuation (&test_get_stop, &p1,
378 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
382 * Signature of the main function of a task.
385 * @param tc context information (why was this task triggered now)
388 test_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
390 struct PeerContext *peer = cls;
391 GNUNET_HashCode hash;
392 memset (&hash, 42, sizeof (GNUNET_HashCode));
394 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get!\n");
396 GNUNET_assert (peer->dht_handle != NULL);
397 retry_context.real_timeout = GNUNET_TIME_relative_to_absolute(TOTAL_TIMEOUT);
398 retry_context.next_timeout = BASE_TIMEOUT;
401 GNUNET_DHT_get_start (peer->dht_handle,
403 GNUNET_BLOCK_TYPE_TEST,
405 DEFAULT_GET_REPLICATION,
409 &test_get_iterator, NULL);
411 if (peer->get_handle == NULL)
414 GNUNET_SCHEDULER_cancel (die_task);
415 GNUNET_SCHEDULER_add_now (&end_badly, &p1);
419 retry_context.peer_ctx = peer;
423 * Signature of the main function of a task.
426 * @param tc context information (why was this task triggered now)
429 test_put (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
431 struct PeerContext *peer = cls;
432 GNUNET_HashCode hash;
434 size_t data_size = 42;
435 memset (&hash, 42, sizeof (GNUNET_HashCode));
436 data = GNUNET_malloc (data_size);
437 memset (data, 43, data_size);
438 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_put!\n");
439 peer->dht_handle = GNUNET_DHT_connect (peer->cfg, 100);
441 GNUNET_assert (peer->dht_handle != NULL);
443 GNUNET_DHT_put (peer->dht_handle, &hash,
444 DEFAULT_PUT_REPLICATION,
446 GNUNET_BLOCK_TYPE_TEST,
448 GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
455 setup_peer (struct PeerContext *p, const char *cfgname)
457 p->cfg = GNUNET_CONFIGURATION_create ();
459 p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
460 "gnunet-service-arm",
464 "-c", cfgname, NULL);
466 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
473 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
475 GNUNET_assert (ok == 1);
478 die_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
479 (GNUNET_TIME_UNIT_MINUTES, 1),
482 setup_peer (&p1, "test_dht_api_peer1.conf");
484 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
485 (GNUNET_TIME_UNIT_SECONDS, 1), &test_put,
493 char *const argv[] = { "test-dht-api",
495 "test_dht_api_data.conf",
502 struct GNUNET_GETOPT_CommandLineOption options[] = {
503 GNUNET_GETOPT_OPTION_END
507 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
508 argv, "test-dht-api", "nohelp", options, &run, &ok);
515 main (int argc, char *argv[])
519 return GNUNET_SYSERR;
522 GNUNET_log_setup ("test-dht-api",
531 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-dht-peer-1");
536 /* end of test_dht_api.c */