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, 360)
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;
96 static struct GNUNET_SCHEDULER_Handle *sched;
100 GNUNET_SCHEDULER_TaskIdentifier die_task;
103 #define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
105 #define OKPP do { ok++; } while (0)
110 end (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
112 GNUNET_SCHEDULER_cancel (sched, die_task);
113 die_task = GNUNET_SCHEDULER_NO_TASK;
114 GNUNET_DHT_disconnect (p1.dht_handle);
115 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
116 "DHT disconnected, returning success!\n");
121 stop_arm (struct PeerContext *p)
124 if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
125 GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
126 GNUNET_OS_process_wait (p->arm_proc);
127 GNUNET_OS_process_close (p->arm_proc);
130 GNUNET_CONFIGURATION_destroy (p->cfg);
139 fprintf (stderr, "Ending on an unhappy note.\n");
142 if ( (retry_context.peer_ctx != NULL) &&
143 (retry_context.peer_ctx->find_peer_handle != NULL) )
145 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Stopping find peer request!\n");
146 GNUNET_DHT_find_peer_stop(retry_context.peer_ctx->find_peer_handle);
148 if ( (retry_context.peer_ctx != NULL) &&
149 (retry_context.peer_ctx->get_handle != NULL) )
151 GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Stopping get request!\n");
152 GNUNET_DHT_get_stop (retry_context.peer_ctx->get_handle);
154 if (retry_context.retry_task != GNUNET_SCHEDULER_NO_TASK)
155 GNUNET_SCHEDULER_cancel(sched, retry_context.retry_task);
156 GNUNET_DHT_disconnect (p1.dht_handle);
162 * Signature of the main function of a task.
165 * @param tc context information (why was this task triggered now)
168 test_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
170 struct PeerContext *peer = cls;
172 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_find_peer_stop!\n");
173 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
176 GNUNET_SCHEDULER_cancel (sched, die_task);
177 GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
181 GNUNET_assert (peer->dht_handle != NULL);
183 GNUNET_DHT_find_peer_stop (peer->find_peer_handle);
186 GNUNET_DHT_set_malicious_getter (peer->dht_handle, GNUNET_TIME_UNIT_SECONDS);
187 GNUNET_DHT_set_malicious_putter (peer->dht_handle, GNUNET_TIME_UNIT_SECONDS);
188 GNUNET_DHT_set_malicious_dropper (peer->dht_handle);
190 GNUNET_SCHEDULER_add_delayed(sched,
191 GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 1),
197 * Iterator called on each result obtained from a find peer
200 * @param cls closure (NULL)
201 * @param peer the peer we learned about
202 * @param reply response
204 void test_find_peer_processor (void *cls,
205 const struct GNUNET_HELLO_Message *hello)
207 struct RetryContext *retry_ctx = cls;
208 struct GNUNET_PeerIdentity peer;
210 if (GNUNET_OK == GNUNET_HELLO_get_id(hello, &peer))
212 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
213 "test_find_peer_processor called (peer `%s'), stopping find peer request!\n", GNUNET_i2s(&peer));
215 if (retry_ctx->retry_task != GNUNET_SCHEDULER_NO_TASK)
217 GNUNET_SCHEDULER_cancel(sched, retry_ctx->retry_task);
218 retry_ctx->retry_task = GNUNET_SCHEDULER_NO_TASK;
221 GNUNET_SCHEDULER_add_continuation (sched, &test_find_peer_stop, &p1,
222 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
226 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
227 "received find peer request, but hello_get_id failed!\n");
233 * Retry the find_peer task on timeout. (Forward declaration)
236 * @param tc context information (why was this task triggered now?)
239 retry_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
242 * Retry the find_peer task on timeout.
245 * @param tc context information (why was this task triggered now)
248 retry_find_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
250 struct RetryContext *retry_ctx = cls;
251 GNUNET_HashCode hash;
252 memset (&hash, 42, sizeof (GNUNET_HashCode));
254 if (GNUNET_TIME_absolute_get_remaining(retry_ctx->real_timeout).rel_value > 0)
256 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
257 "test_find_peer timed out, retrying!\n");
258 retry_ctx->next_timeout = GNUNET_TIME_relative_multiply(retry_ctx->next_timeout, 2);
259 retry_ctx->peer_ctx->find_peer_handle
260 = GNUNET_DHT_find_peer_start (retry_ctx->peer_ctx->dht_handle,
261 retry_ctx->next_timeout, &hash,
263 &test_find_peer_processor, retry_ctx);
267 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
268 "test_find_peer timed out for good, failing!\n");
270 retry_ctx->peer_ctx->find_peer_handle = NULL;
273 if (retry_ctx->peer_ctx->find_peer_handle == NULL)
276 GNUNET_SCHEDULER_cancel (sched, die_task);
277 GNUNET_SCHEDULER_add_now (sched, &end_badly, &p1);
280 retry_ctx->retry_task = GNUNET_SCHEDULER_add_delayed(sched, retry_ctx->next_timeout, &retry_find_peer_stop, retry_ctx);
284 * Retry the find_peer task on timeout.
287 * @param tc context information (why was this task triggered now?)
290 retry_find_peer_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
292 struct RetryContext *retry_ctx = cls;
293 GNUNET_HashCode hash;
294 memset (&hash, 42, sizeof (GNUNET_HashCode));
296 if (retry_ctx->peer_ctx->find_peer_handle != NULL)
298 GNUNET_DHT_find_peer_stop(retry_ctx->peer_ctx->find_peer_handle);
299 retry_ctx->peer_ctx->find_peer_handle = NULL;
301 GNUNET_SCHEDULER_add_now (sched, &retry_find_peer, retry_ctx);
305 * Entry point for test of find_peer functionality.
308 * @param tc context information (why was this task triggered now)
311 test_find_peer (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
313 struct PeerContext *peer = cls;
314 GNUNET_HashCode hash;
315 memset (&hash, 42, sizeof (GNUNET_HashCode));
317 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_find_peer!\n");
318 GNUNET_assert (peer->dht_handle != NULL);
320 retry_context.real_timeout = GNUNET_TIME_relative_to_absolute(TOTAL_TIMEOUT);
321 retry_context.next_timeout = BASE_TIMEOUT;
322 retry_context.peer_ctx = peer;
324 peer->find_peer_handle
325 = GNUNET_DHT_find_peer_start (peer->dht_handle, retry_context.next_timeout,
327 GNUNET_DHT_RO_DEMULTIPLEX_EVERYWHERE,
328 &test_find_peer_processor, &retry_context);
330 if (peer->find_peer_handle == NULL)
333 GNUNET_SCHEDULER_cancel (sched, die_task);
334 GNUNET_SCHEDULER_add_now (sched, &end_badly, &p1);
337 retry_context.retry_task = GNUNET_SCHEDULER_add_delayed(sched, retry_context.next_timeout, &retry_find_peer_stop, &retry_context);
341 * Signature of the main function of a task.
344 * @param tc context information (why was this task triggered now)
347 test_get_stop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
349 struct PeerContext *peer = cls;
351 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get_stop!\n");
352 if (tc->reason == GNUNET_SCHEDULER_REASON_TIMEOUT)
355 GNUNET_SCHEDULER_cancel (sched, die_task);
356 GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
359 GNUNET_assert (peer->dht_handle != NULL);
360 GNUNET_DHT_get_stop (peer->get_handle);
361 GNUNET_SCHEDULER_add_now(sched,
367 test_get_iterator (void *cls,
368 struct GNUNET_TIME_Absolute exp,
369 const GNUNET_HashCode * key,
370 const struct GNUNET_PeerIdentity * const *get_path,
371 const struct GNUNET_PeerIdentity * const *put_path,
372 enum GNUNET_BLOCK_Type type,
373 size_t size, const void *data)
375 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
376 "test_get_iterator called (we got a result), stopping get request!\n");
378 GNUNET_SCHEDULER_add_continuation (sched, &test_get_stop, &p1,
379 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
383 * Signature of the main function of a task.
386 * @param tc context information (why was this task triggered now)
389 test_get (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
391 struct PeerContext *peer = cls;
392 GNUNET_HashCode hash;
393 memset (&hash, 42, sizeof (GNUNET_HashCode));
395 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Called test_get!\n");
397 GNUNET_assert (peer->dht_handle != NULL);
398 retry_context.real_timeout = GNUNET_TIME_relative_to_absolute(TOTAL_TIMEOUT);
399 retry_context.next_timeout = BASE_TIMEOUT;
402 GNUNET_DHT_get_start (peer->dht_handle,
404 GNUNET_BLOCK_TYPE_TEST,
409 &test_get_iterator, NULL);
411 if (peer->get_handle == NULL)
414 GNUNET_SCHEDULER_cancel (sched, die_task);
415 GNUNET_SCHEDULER_add_now (sched, &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 (sched, peer->cfg, 100);
441 GNUNET_assert (peer->dht_handle != NULL);
443 GNUNET_DHT_put (peer->dht_handle, &hash,
445 GNUNET_BLOCK_TYPE_TEST,
447 GNUNET_TIME_relative_to_absolute (TOTAL_TIMEOUT),
454 setup_peer (struct PeerContext *p, const char *cfgname)
456 p->cfg = GNUNET_CONFIGURATION_create ();
458 p->arm_proc = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
459 "gnunet-service-arm",
463 "-c", cfgname, NULL);
465 GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
471 struct GNUNET_SCHEDULER_Handle *s,
473 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
475 GNUNET_assert (ok == 1);
479 die_task = GNUNET_SCHEDULER_add_delayed (sched,
480 GNUNET_TIME_relative_multiply
481 (GNUNET_TIME_UNIT_MINUTES, 1),
484 setup_peer (&p1, "test_dht_api_peer1.conf");
486 GNUNET_SCHEDULER_add_delayed (sched,
487 GNUNET_TIME_relative_multiply
488 (GNUNET_TIME_UNIT_SECONDS, 1), &test_put,
496 char *const argv[] = { "test-dht-api",
498 "test_dht_api_data.conf",
505 struct GNUNET_GETOPT_CommandLineOption options[] = {
506 GNUNET_GETOPT_OPTION_END
510 GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
511 argv, "test-dht-api", "nohelp", options, &run, &ok);
518 main (int argc, char *argv[])
522 return GNUNET_SYSERR;
525 GNUNET_log_setup ("test-dht-api",
534 GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-dht-peer-1");
539 /* end of test_dht_api.c */