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3 (C) 2010, 2011 Christian Grothoff (and other contributing authors)
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22 * @file fs/fs_test_lib.c
23 * @brief library routines for testing FS publishing and downloading
24 * with multiple peers; this code is limited to flat files
25 * and no keywords (those functions can be tested with
26 * single-peer setups; this is for testing routing).
27 * @author Christian Grothoff
31 #include "fs_test_lib.h"
32 #include "gnunet_testing_lib.h"
34 #define CONNECT_ATTEMPTS 4
36 #define CONTENT_LIFETIME GNUNET_TIME_UNIT_HOURS
39 * Handle for a daemon started for testing FS.
41 struct GNUNET_FS_TestDaemon
45 * Global configuration, only stored in first test daemon,
48 struct GNUNET_CONFIGURATION_Handle *gcfg;
51 * Handle to the file sharing context using this daemon.
53 struct GNUNET_FS_Handle *fs;
56 * Handle to the daemon via testing.
58 struct GNUNET_TESTING_Daemon *daemon;
61 * Note that 'group' will be the same value for all of the
62 * daemons started jointly.
64 struct GNUNET_TESTING_PeerGroup *group;
67 * Configuration for accessing this peer.
69 struct GNUNET_CONFIGURATION_Handle *cfg;
74 struct GNUNET_PeerIdentity id;
77 * Function to call when upload is done.
79 GNUNET_FS_TEST_UriContinuation publish_cont;
82 * Closure for publish_cont.
84 void *publish_cont_cls;
87 * Task to abort publishing (timeout).
89 GNUNET_SCHEDULER_TaskIdentifier publish_timeout_task;
92 * Seed for file generation.
94 uint32_t publish_seed;
97 * Context for current publishing operation.
99 struct GNUNET_FS_PublishContext *publish_context;
104 struct GNUNET_FS_Uri *publish_uri;
107 * Name of the temporary file used, or NULL for none.
109 char *publish_tmp_file;
112 * Function to call when download is done.
114 GNUNET_SCHEDULER_Task download_cont;
117 * Closure for download_cont.
119 void *download_cont_cls;
122 * Seed for download verification.
124 uint32_t download_seed;
127 * Task to abort downloading (timeout).
129 GNUNET_SCHEDULER_TaskIdentifier download_timeout_task;
132 * Context for current download operation.
134 struct GNUNET_FS_DownloadContext *download_context;
137 * Verbosity level of the current operation.
145 * Check whether peers successfully shut down.
148 shutdown_callback (void *cls, const char *emsg)
150 struct GNUNET_CONFIGURATION_Handle *gcfg = cls;
154 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
155 "Shutdown of peers failed: %s\n", emsg);
160 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers successfully shut down!\n");
164 GNUNET_CONFIGURATION_destroy (gcfg);
169 report_uri (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
171 struct GNUNET_FS_TestDaemon *daemon = cls;
172 GNUNET_FS_TEST_UriContinuation cont;
173 struct GNUNET_FS_Uri *uri;
175 GNUNET_FS_publish_stop (daemon->publish_context);
176 daemon->publish_context = NULL;
177 cont = daemon->publish_cont;
178 daemon->publish_cont = NULL;
179 uri = daemon->publish_uri;
180 cont (daemon->publish_cont_cls, uri);
181 GNUNET_FS_uri_destroy (uri);
186 report_success (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
188 struct GNUNET_FS_TestDaemon *daemon = cls;
190 GNUNET_FS_download_stop (daemon->download_context, GNUNET_YES);
191 daemon->download_context = NULL;
192 GNUNET_SCHEDULER_add_continuation (daemon->download_cont,
193 daemon->download_cont_cls,
194 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
195 daemon->download_cont = NULL;
200 progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
202 struct GNUNET_FS_TestDaemon *daemon = cls;
204 switch (info->status)
206 case GNUNET_FS_STATUS_PUBLISH_COMPLETED:
207 GNUNET_SCHEDULER_cancel (daemon->publish_timeout_task);
208 daemon->publish_timeout_task = GNUNET_SCHEDULER_NO_TASK;
209 daemon->publish_uri =
210 GNUNET_FS_uri_dup (info->value.publish.specifics.completed.chk_uri);
211 GNUNET_SCHEDULER_add_continuation (&report_uri, daemon,
212 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
214 case GNUNET_FS_STATUS_PUBLISH_PROGRESS:
216 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
217 "Publishing at %llu/%llu bytes\n",
218 (unsigned long long) info->value.publish.completed,
219 (unsigned long long) info->value.publish.size);
221 case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
223 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
224 "Download at %llu/%llu bytes\n",
225 (unsigned long long) info->value.download.completed,
226 (unsigned long long) info->value.download.size);
228 case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
229 GNUNET_SCHEDULER_cancel (daemon->download_timeout_task);
230 daemon->download_timeout_task = GNUNET_SCHEDULER_NO_TASK;
231 GNUNET_SCHEDULER_add_continuation (&report_success,
233 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
235 case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
236 case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
238 /* FIXME: monitor data correctness during download progress */
239 /* FIXME: do performance reports given sufficient verbosity */
240 /* FIXME: advance timeout task to "immediate" on error */
250 struct GNUNET_TIME_Relative timeout;
253 struct GNUNET_FS_TestDaemon **daemons;
254 GNUNET_SCHEDULER_Task cont;
256 struct GNUNET_TESTING_PeerGroup *group;
257 struct GNUNET_CONFIGURATION_Handle *cfg;
258 GNUNET_SCHEDULER_TaskIdentifier timeout_task;
263 notify_running (void *cls,
264 const struct GNUNET_PeerIdentity *id,
265 const struct GNUNET_CONFIGURATION_Handle *cfg,
266 struct GNUNET_TESTING_Daemon *d, const char *emsg)
268 struct StartContext *sctx = cls;
273 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
274 _("Failed to start daemon: %s\n"), emsg);
278 while (i < sctx->total)
280 if (GNUNET_TESTING_daemon_get (sctx->group, i) == d)
284 GNUNET_assert (i < sctx->total);
285 GNUNET_assert (sctx->have < sctx->total);
286 GNUNET_assert (sctx->daemons[i]->cfg == NULL);
287 sctx->daemons[i]->cfg = GNUNET_CONFIGURATION_dup (cfg);
288 sctx->daemons[i]->group = sctx->group;
289 sctx->daemons[i]->daemon = d;
290 sctx->daemons[i]->id = *id;
292 if (sctx->have == sctx->total)
294 GNUNET_SCHEDULER_add_continuation (sctx->cont,
296 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
297 sctx->daemons[0]->gcfg = sctx->cfg;
298 GNUNET_SCHEDULER_cancel (sctx->timeout_task);
299 for (i = 0; i < sctx->total; i++)
301 sctx->daemons[i]->fs = GNUNET_FS_start (sctx->daemons[i]->cfg,
305 GNUNET_FS_FLAGS_NONE,
306 GNUNET_FS_OPTIONS_END);
314 start_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
316 struct StartContext *sctx = cls;
319 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
320 "Timeout while trying to start daemons\n");
321 GNUNET_TESTING_daemons_stop (sctx->group,
322 GNUNET_TIME_relative_multiply
323 (GNUNET_TIME_UNIT_SECONDS, 30),
324 &shutdown_callback, NULL);
325 for (i = 0; i < sctx->total; i++)
328 GNUNET_CONFIGURATION_destroy (sctx->daemons[i]->cfg);
329 GNUNET_free (sctx->daemons[i]);
330 sctx->daemons[i] = NULL;
332 GNUNET_CONFIGURATION_destroy (sctx->cfg);
333 GNUNET_SCHEDULER_add_continuation (sctx->cont,
335 GNUNET_SCHEDULER_REASON_TIMEOUT);
341 * Start daemons for testing.
343 * @param template_cfg_file configuration template to use
344 * @param timeout if this operation cannot be completed within the
345 * given period, call the continuation with an error code
346 * @param total number of daemons to start
347 * @param daemons array of 'total' entries to be initialized
348 * (array must already be allocated, will be filled)
349 * @param cont function to call when done
350 * @param cont_cls closure for cont
353 GNUNET_FS_TEST_daemons_start (const char *template_cfg_file,
354 struct GNUNET_TIME_Relative timeout,
356 struct GNUNET_FS_TestDaemon **daemons,
357 GNUNET_SCHEDULER_Task cont, void *cont_cls)
359 struct StartContext *sctx;
362 GNUNET_assert (total > 0);
363 sctx = GNUNET_malloc (sizeof (struct StartContext));
364 sctx->daemons = daemons;
367 sctx->cont_cls = cont_cls;
368 sctx->cfg = GNUNET_CONFIGURATION_create ();
369 if (GNUNET_OK != GNUNET_CONFIGURATION_load (sctx->cfg, template_cfg_file))
372 GNUNET_CONFIGURATION_destroy (sctx->cfg);
374 GNUNET_SCHEDULER_add_continuation (cont,
376 GNUNET_SCHEDULER_REASON_TIMEOUT);
379 for (i = 0; i < total; i++)
380 daemons[i] = GNUNET_malloc (sizeof (struct GNUNET_FS_TestDaemon));
381 sctx->group = GNUNET_TESTING_daemons_start (sctx->cfg, total, total, /* Outstanding connections */
382 total, /* Outstanding ssh connections */
387 sctx, NULL, NULL, NULL);
388 sctx->timeout_task = GNUNET_SCHEDULER_add_delayed (timeout,
389 &start_timeout, sctx);
393 struct ConnectContext
395 GNUNET_SCHEDULER_Task cont;
401 * Prototype of a function that will be called whenever
402 * two daemons are connected by the testing library.
405 * @param first peer id for first daemon
406 * @param second peer id for the second daemon
407 * @param distance distance between the connected peers
408 * @param first_cfg config for the first daemon
409 * @param second_cfg config for the second daemon
410 * @param first_daemon handle for the first daemon
411 * @param second_daemon handle for the second daemon
412 * @param emsg error message (NULL on success)
415 notify_connection (void *cls,
416 const struct GNUNET_PeerIdentity *first,
417 const struct GNUNET_PeerIdentity *second,
419 const struct GNUNET_CONFIGURATION_Handle *first_cfg,
420 const struct GNUNET_CONFIGURATION_Handle *second_cfg,
421 struct GNUNET_TESTING_Daemon *first_daemon,
422 struct GNUNET_TESTING_Daemon *second_daemon,
425 struct ConnectContext *cc = cls;
428 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
429 "Failed to connect peers: %s\n", emsg);
430 GNUNET_SCHEDULER_add_continuation (cc->cont,
433 ? GNUNET_SCHEDULER_REASON_TIMEOUT
434 : GNUNET_SCHEDULER_REASON_PREREQ_DONE);
440 * Connect two daemons for testing.
442 * @param daemon1 first daemon to connect
443 * @param daemon2 second first daemon to connect
444 * @param timeout if this operation cannot be completed within the
445 * given period, call the continuation with an error code
446 * @param cont function to call when done
447 * @param cont_cls closure for cont
450 GNUNET_FS_TEST_daemons_connect (struct GNUNET_FS_TestDaemon *daemon1,
451 struct GNUNET_FS_TestDaemon *daemon2,
452 struct GNUNET_TIME_Relative timeout,
453 GNUNET_SCHEDULER_Task cont, void *cont_cls)
455 struct ConnectContext *ncc;
457 ncc = GNUNET_malloc (sizeof (struct ConnectContext));
459 ncc->cont_cls = cont_cls;
460 GNUNET_TESTING_daemons_connect (daemon1->daemon,
464 GNUNET_YES, ¬ify_connection, ncc);
469 * Obtain peer configuration used for testing.
471 * @param daemons array with the daemons
472 * @param off which configuration to get
473 * @return peer configuration
475 const struct GNUNET_CONFIGURATION_Handle *
476 GNUNET_FS_TEST_get_configuration (struct GNUNET_FS_TestDaemon **daemons,
479 return daemons[off]->cfg;
483 * Obtain peer group used for testing.
485 * @param daemons array with the daemons (must contain at least one)
488 struct GNUNET_TESTING_PeerGroup *
489 GNUNET_FS_TEST_get_group (struct GNUNET_FS_TestDaemon **daemons)
491 return daemons[0]->group;
496 * Stop daemons used for testing.
498 * @param total number of daemons to stop
499 * @param daemons array with the daemons (values will be clobbered)
502 GNUNET_FS_TEST_daemons_stop (unsigned int total,
503 struct GNUNET_FS_TestDaemon **daemons)
506 struct GNUNET_TESTING_PeerGroup *pg;
507 struct GNUNET_CONFIGURATION_Handle *gcfg;
508 struct GNUNET_FS_TestDaemon *daemon;
510 GNUNET_assert (total > 0);
511 GNUNET_assert (daemons[0] != NULL);
512 pg = daemons[0]->group;
513 gcfg = daemons[0]->gcfg;
514 for (i = 0; i < total; i++)
517 if (daemon->download_timeout_task != GNUNET_SCHEDULER_NO_TASK)
519 GNUNET_SCHEDULER_cancel (daemon->download_timeout_task);
520 daemon->download_timeout_task = GNUNET_SCHEDULER_NO_TASK;
522 if (daemon->publish_timeout_task != GNUNET_SCHEDULER_NO_TASK)
524 GNUNET_SCHEDULER_cancel (daemon->publish_timeout_task);
525 daemon->publish_timeout_task = GNUNET_SCHEDULER_NO_TASK;
527 if (NULL != daemon->download_context)
529 GNUNET_FS_download_stop (daemon->download_context, GNUNET_YES);
530 daemon->download_context = NULL;
532 if (daemon->fs != NULL)
533 GNUNET_FS_stop (daemon->fs);
534 if (daemon->cfg != NULL)
535 GNUNET_CONFIGURATION_destroy (daemon->cfg);
536 if (NULL != daemon->publish_tmp_file)
538 GNUNET_break (GNUNET_OK ==
539 GNUNET_DISK_directory_remove (daemon->publish_tmp_file));
540 GNUNET_free (daemon->publish_tmp_file);
541 daemon->publish_tmp_file = NULL;
543 GNUNET_free (daemon);
546 GNUNET_TESTING_daemons_stop (pg,
547 GNUNET_TIME_relative_multiply
548 (GNUNET_TIME_UNIT_SECONDS, 30),
549 &shutdown_callback, gcfg);
554 publish_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
556 struct GNUNET_FS_TestDaemon *daemon = cls;
557 GNUNET_FS_TEST_UriContinuation cont;
559 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
560 "Timeout while trying to publish data\n");
561 cont = daemon->publish_cont;
562 daemon->publish_timeout_task = GNUNET_SCHEDULER_NO_TASK;
563 daemon->publish_cont = NULL;
564 GNUNET_FS_publish_stop (daemon->publish_context);
565 daemon->publish_context = NULL;
566 cont (daemon->publish_cont_cls, NULL);
571 file_generator (void *cls, uint64_t offset, size_t max, void *buf, char **emsg)
573 struct GNUNET_FS_TestDaemon *daemon = cls;
582 for (pos = 0; pos < 8; pos++)
583 cbuf[pos] = (uint8_t) (offset >> pos * 8);
584 for (pos = 8; pos < max; pos++)
586 mod = (255 - (offset / 1024 / 32));
589 cbuf[pos] = (uint8_t) ((offset * daemon->publish_seed) % mod);
597 * Publish a file at the given daemon.
599 * @param daemon where to publish
600 * @param timeout if this operation cannot be completed within the
601 * given period, call the continuation with an error code
602 * @param anonymity option for publication
603 * @param do_index GNUNET_YES for index, GNUNET_NO for insertion,
604 * GNUNET_SYSERR for simulation
605 * @param size size of the file to publish
606 * @param seed seed to use for file generation
607 * @param verbose how verbose to be in reporting
608 * @param cont function to call when done
609 * @param cont_cls closure for cont
612 GNUNET_FS_TEST_publish (struct GNUNET_FS_TestDaemon *daemon,
613 struct GNUNET_TIME_Relative timeout,
618 unsigned int verbose,
619 GNUNET_FS_TEST_UriContinuation cont, void *cont_cls)
621 struct GNUNET_FS_FileInformation *fi;
622 struct GNUNET_DISK_FileHandle *fh;
625 char buf[DBLOCK_SIZE];
627 struct GNUNET_FS_BlockOptions bo;
629 GNUNET_assert (daemon->publish_cont == NULL);
630 daemon->publish_cont = cont;
631 daemon->publish_cont_cls = cont_cls;
632 daemon->publish_seed = seed;
633 daemon->verbose = verbose;
634 bo.expiration_time = GNUNET_TIME_relative_to_absolute (CONTENT_LIFETIME);
635 bo.anonymity_level = anonymity;
636 bo.content_priority = 42;
637 bo.replication_level = 1;
638 if (GNUNET_YES == do_index)
640 GNUNET_assert (daemon->publish_tmp_file == NULL);
641 daemon->publish_tmp_file = GNUNET_DISK_mktemp ("fs-test-publish-index");
642 GNUNET_assert (daemon->publish_tmp_file != NULL);
643 fh = GNUNET_DISK_file_open (daemon->publish_tmp_file,
644 GNUNET_DISK_OPEN_WRITE |
645 GNUNET_DISK_OPEN_CREATE,
646 GNUNET_DISK_PERM_USER_READ |
647 GNUNET_DISK_PERM_USER_WRITE);
648 GNUNET_assert (NULL != fh);
652 bsize = GNUNET_MIN (sizeof (buf), size - off);
654 GNUNET_assert (bsize == file_generator (daemon, off, bsize, buf, &emsg));
655 GNUNET_assert (emsg == NULL);
656 GNUNET_assert (bsize == GNUNET_DISK_file_write (fh, buf, bsize));
659 GNUNET_assert (GNUNET_OK == GNUNET_DISK_file_close (fh));
660 fi = GNUNET_FS_file_information_create_from_file (daemon->fs,
662 daemon->publish_tmp_file,
668 fi = GNUNET_FS_file_information_create_from_reader (daemon->fs,
674 NULL, do_index, &bo);
676 daemon->publish_context = GNUNET_FS_publish_start (daemon->fs,
679 GNUNET_FS_PUBLISH_OPTION_NONE);
680 daemon->publish_timeout_task = GNUNET_SCHEDULER_add_delayed (timeout,
687 download_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
689 struct GNUNET_FS_TestDaemon *daemon = cls;
691 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
692 "Timeout while trying to download file\n");
693 daemon->download_timeout_task = GNUNET_SCHEDULER_NO_TASK;
694 GNUNET_FS_download_stop (daemon->download_context, GNUNET_YES);
695 daemon->download_context = NULL;
696 GNUNET_SCHEDULER_add_continuation (daemon->download_cont,
697 daemon->download_cont_cls,
698 GNUNET_SCHEDULER_REASON_TIMEOUT);
699 daemon->download_cont = NULL;
704 * Perform test download.
706 * @param daemon which peer to download from
707 * @param timeout if this operation cannot be completed within the
708 * given period, call the continuation with an error code
709 * @param anonymity option for download
710 * @param seed used for file validation
711 * @param uri URI of file to download (CHK/LOC only)
712 * @param verbose how verbose to be in reporting
713 * @param cont function to call when done
714 * @param cont_cls closure for cont
717 GNUNET_FS_TEST_download (struct GNUNET_FS_TestDaemon *daemon,
718 struct GNUNET_TIME_Relative timeout,
721 const struct GNUNET_FS_Uri *uri,
722 unsigned int verbose,
723 GNUNET_SCHEDULER_Task cont, void *cont_cls)
727 GNUNET_assert (daemon->download_cont == NULL);
728 size = GNUNET_FS_uri_chk_get_file_size (uri);
729 daemon->verbose = verbose;
730 daemon->download_cont = cont;
731 daemon->download_cont_cls = cont_cls;
732 daemon->download_seed = seed;
733 daemon->download_context = GNUNET_FS_download_start (daemon->fs,
740 GNUNET_FS_DOWNLOAD_OPTION_NONE,
742 daemon->download_timeout_task = GNUNET_SCHEDULER_add_delayed (timeout,
747 /* end of test_fs_lib.c */