2 This file is part of GNUnet.
3 (C) 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009, 2010 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 2, 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.
23 * @brief main FS functions (master initialization, serialization, deserialization, shared code)
24 * @author Christian Grothoff
28 #include "gnunet_util_lib.h"
29 #include "gnunet_fs_service.h"
35 * Start the given job (send signal, remove from pending queue, update
36 * counters and state).
38 * @param qe job to start
41 start_job (struct GNUNET_FS_QueueEntry *qe)
43 qe->client = GNUNET_CLIENT_connect (qe->h->sched, "fs", qe->h->cfg);
44 if (qe->client == NULL)
49 qe->start (qe->cls, qe->client);
51 qe->h->active_blocks += qe->blocks;
52 qe->start_time = GNUNET_TIME_absolute_get ();
53 GNUNET_CONTAINER_DLL_remove (qe->h->pending_head,
56 GNUNET_CONTAINER_DLL_insert_after (qe->h->running_head,
64 * Stop the given job (send signal, remove from active queue, update
65 * counters and state).
67 * @param qe job to stop
70 stop_job (struct GNUNET_FS_QueueEntry *qe)
74 qe->h->active_downloads--;
75 qe->h->active_blocks -= qe->blocks;
76 qe->run_time = GNUNET_TIME_relative_add (qe->run_time,
77 GNUNET_TIME_absolute_get_duration (qe->start_time));
78 GNUNET_CONTAINER_DLL_remove (qe->h->running_head,
81 GNUNET_CONTAINER_DLL_insert_after (qe->h->pending_head,
89 * Process the jobs in the job queue, possibly starting some
90 * and stopping others.
92 * @param cls the 'struct GNUNET_FS_Handle'
93 * @param tc scheduler context
96 process_job_queue (void *cls,
97 const struct GNUNET_SCHEDULER_TaskContext *tc)
99 struct GNUNET_FS_Handle *h = cls;
100 struct GNUNET_FS_QueueEntry *qe;
101 struct GNUNET_FS_QueueEntry *next;
102 struct GNUNET_TIME_Relative run_time;
103 struct GNUNET_TIME_Relative restart_at;
104 struct GNUNET_TIME_Relative rst;
105 struct GNUNET_TIME_Absolute end_time;
107 h->queue_job = GNUNET_SCHEDULER_NO_TASK;
108 next = h->pending_head;
109 while (NULL != (qe = next))
112 if (h->running_head == NULL)
117 if ( (qe->blocks + h->active_blocks <= h->max_parallel_requests) &&
118 (h->active_downloads + 1 <= h->max_parallel_downloads) )
124 if (h->pending_head == NULL)
125 return; /* no need to stop anything */
126 restart_at = GNUNET_TIME_UNIT_FOREVER_REL;
127 next = h->running_head;
128 while (NULL != (qe = next))
131 run_time = GNUNET_TIME_relative_multiply (h->avg_block_latency,
132 qe->blocks * qe->start_times);
133 end_time = GNUNET_TIME_absolute_add (qe->start_time,
135 rst = GNUNET_TIME_absolute_get_remaining (end_time);
136 restart_at = GNUNET_TIME_relative_min (rst, restart_at);
141 h->queue_job = GNUNET_SCHEDULER_add_delayed (h->sched,
149 * Add a job to the queue.
151 * @param h handle to the overall FS state
152 * @param start function to call to begin the job
153 * @param stop function to call to pause the job, or on dequeue (if the job was running)
154 * @param cls closure for start and stop
155 * @param blocks number of blocks this jobs uses
156 * @return queue handle
158 struct GNUNET_FS_QueueEntry *
159 GNUNET_FS_queue_ (struct GNUNET_FS_Handle *h,
160 GNUNET_FS_QueueStart start,
161 GNUNET_FS_QueueStop stop,
165 struct GNUNET_FS_QueueEntry *qe;
167 qe = GNUNET_malloc (sizeof (struct GNUNET_FS_QueueEntry));
172 qe->queue_time = GNUNET_TIME_absolute_get ();
174 GNUNET_CONTAINER_DLL_insert_after (h->pending_head,
178 if (h->queue_job != GNUNET_SCHEDULER_NO_TASK)
179 GNUNET_SCHEDULER_cancel (h->sched,
182 = GNUNET_SCHEDULER_add_now (h->sched,
190 * Dequeue a job from the queue.
191 * @param qh handle for the job
194 GNUNET_FS_dequeue_ (struct GNUNET_FS_QueueEntry *qh)
196 struct GNUNET_FS_Handle *h;
199 if (qh->client != NULL)
201 GNUNET_CONTAINER_DLL_remove (h->pending_head,
205 if (h->queue_job != GNUNET_SCHEDULER_NO_TASK)
206 GNUNET_SCHEDULER_cancel (h->sched,
209 = GNUNET_SCHEDULER_add_now (h->sched,
216 * Create a top-level activity entry.
218 * @param h global fs handle
219 * @param ssf suspend signal function to use
220 * @param ssf_cls closure for ssf
221 * @return fresh top-level activity handle
223 struct TopLevelActivity *
224 GNUNET_FS_make_top (struct GNUNET_FS_Handle *h,
225 SuspendSignalFunction ssf,
228 struct TopLevelActivity *ret;
230 ret = GNUNET_malloc (sizeof (struct TopLevelActivity));
232 ret->ssf_cls = ssf_cls;
233 GNUNET_CONTAINER_DLL_insert (h->top_head,
241 * Destroy a top-level activity entry.
243 * @param h global fs handle
244 * @param top top level activity entry
247 GNUNET_FS_end_top (struct GNUNET_FS_Handle *h,
248 struct TopLevelActivity *top)
250 GNUNET_CONTAINER_DLL_remove (h->top_head,
259 * Closure for "data_reader_file".
264 * Name of the file to read.
269 * File descriptor, NULL if it has not yet been opened.
271 struct GNUNET_DISK_FileHandle *fd;
276 * Function that provides data by reading from a file.
278 * @param cls closure (points to the file information)
279 * @param offset offset to read from; it is possible
280 * that the caller might need to go backwards
282 * @param max maximum number of bytes that should be
283 * copied to buf; readers are not allowed
284 * to provide less data unless there is an error;
285 * a value of "0" will be used at the end to allow
286 * the reader to clean up its internal state
287 * @param buf where the reader should write the data
288 * @param emsg location for the reader to store an error message
289 * @return number of bytes written, usually "max", 0 on error
292 GNUNET_FS_data_reader_file_(void *cls,
298 struct FileInfo *fi = cls;
304 GNUNET_DISK_file_close (fi->fd);
305 GNUNET_free (fi->filename);
311 fi->fd = GNUNET_DISK_file_open (fi->filename,
312 GNUNET_DISK_OPEN_READ,
313 GNUNET_DISK_PERM_NONE);
316 GNUNET_asprintf (emsg,
317 _("Could not open file `%s': %s"),
323 GNUNET_DISK_file_seek (fi->fd, offset, GNUNET_DISK_SEEK_SET);
324 ret = GNUNET_DISK_file_read (fi->fd, buf, max);
327 GNUNET_asprintf (emsg,
328 _("Could not read file `%s': %s"),
335 GNUNET_asprintf (emsg,
336 _("Short read reading from file `%s'!"),
345 * Create the closure for the 'GNUNET_FS_data_reader_file_' callback.
347 * @param filename file to read
348 * @return closure to use, NULL on error
351 GNUNET_FS_make_file_reader_context_ (const char *filename)
355 fi = GNUNET_malloc (sizeof(struct FileInfo));
356 fi->filename = GNUNET_STRINGS_filename_expand (filename);
357 if (fi->filename == NULL)
367 * Function that provides data by copying from a buffer.
369 * @param cls closure (points to the buffer)
370 * @param offset offset to read from; it is possible
371 * that the caller might need to go backwards
373 * @param max maximum number of bytes that should be
374 * copied to buf; readers are not allowed
375 * to provide less data unless there is an error;
376 * a value of "0" will be used at the end to allow
377 * the reader to clean up its internal state
378 * @param buf where the reader should write the data
379 * @param emsg location for the reader to store an error message
380 * @return number of bytes written, usually "max", 0 on error
383 GNUNET_FS_data_reader_copy_ (void *cls,
393 GNUNET_free_non_null (data);
396 memcpy (buf, &data[offset], max);
402 * Return the full filename where we would store state information
403 * (for serialization/deserialization).
405 * @param h master context
406 * @param ext component of the path
407 * @param ent entity identifier (or emtpy string for the directory)
408 * @return NULL on error
411 get_serialization_file_name (struct GNUNET_FS_Handle *h,
418 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
419 return NULL; /* persistence not requested */
421 GNUNET_CONFIGURATION_get_value_filename (h->cfg,
426 GNUNET_asprintf (&ret,
435 GNUNET_free (basename);
441 * Return the full filename where we would store state information
442 * (for serialization/deserialization) that is associated with a
445 * @param h master context
446 * @param ext component of the path
447 * @param uni name of the parent operation
448 * @param ent entity identifier (or emtpy string for the directory)
449 * @return NULL on error
452 get_serialization_file_name_in_dir (struct GNUNET_FS_Handle *h,
460 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
461 return NULL; /* persistence not requested */
463 GNUNET_CONFIGURATION_get_value_filename (h->cfg,
468 GNUNET_asprintf (&ret,
469 "%s%s%s%s%s%s%s.dir%s%s",
479 GNUNET_free (basename);
485 * Return a read handle for deserialization.
487 * @param h master context
488 * @param ext component of the path
489 * @param ent entity identifier (or emtpy string for the directory)
490 * @return NULL on error
492 static struct GNUNET_BIO_ReadHandle *
493 get_read_handle (struct GNUNET_FS_Handle *h,
498 struct GNUNET_BIO_ReadHandle *ret;
500 fn = get_serialization_file_name (h, ext, ent);
503 ret = GNUNET_BIO_read_open (fn);
510 * Return a write handle for serialization.
512 * @param h master context
513 * @param ext component of the path
514 * @param ent entity identifier (or emtpy string for the directory)
515 * @return NULL on error
517 static struct GNUNET_BIO_WriteHandle *
518 get_write_handle (struct GNUNET_FS_Handle *h,
523 struct GNUNET_BIO_WriteHandle *ret;
525 fn = get_serialization_file_name (h, ext, ent);
530 ret = GNUNET_BIO_write_open (fn);
539 * Return a write handle for serialization.
541 * @param h master context
542 * @param ext component of the path
543 * @param uni name of parent
544 * @param ent entity identifier (or emtpy string for the directory)
545 * @return NULL on error
547 static struct GNUNET_BIO_WriteHandle *
548 get_write_handle_in_dir (struct GNUNET_FS_Handle *h,
554 struct GNUNET_BIO_WriteHandle *ret;
556 fn = get_serialization_file_name_in_dir (h, ext, uni, ent);
559 ret = GNUNET_BIO_write_open (fn);
566 * Remove serialization/deserialization file from disk.
568 * @param h master context
569 * @param ext component of the path
570 * @param ent entity identifier
573 GNUNET_FS_remove_sync_file_ (struct GNUNET_FS_Handle *h,
579 if ( (NULL == ent) ||
580 (0 == strlen (ent)) )
585 filename = get_serialization_file_name (h, ext, ent);
586 if (0 != UNLINK (filename))
587 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
590 GNUNET_free (filename);
595 * Remove serialization/deserialization file from disk.
597 * @param h master context
598 * @param ext component of the path
599 * @param uni parent name
600 * @param ent entity identifier
603 remove_sync_file_in_dir (struct GNUNET_FS_Handle *h,
610 if ( (NULL == ent) ||
611 (0 == strlen (ent)) )
616 filename = get_serialization_file_name_in_dir (h, ext, uni, ent);
617 if (0 != UNLINK (filename))
618 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
621 GNUNET_free (filename);
626 * Remove serialization/deserialization directory from disk.
628 * @param h master context
629 * @param ext component of the path
630 * @param uni unique name of parent
633 GNUNET_FS_remove_sync_dir_ (struct GNUNET_FS_Handle *h,
641 dn = get_serialization_file_name_in_dir (h, ext, uni, "");
644 if ( (GNUNET_OK == GNUNET_DISK_directory_test (dn)) &&
645 (GNUNET_OK != GNUNET_DISK_directory_remove (dn)) )
646 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
654 * Serialize a 'start_time'. Since we use start-times to
655 * calculate the duration of some operation, we actually
656 * do not serialize the absolute time but the (relative)
657 * duration since the start time. When we then
658 * deserialize the start time, we take the current time and
659 * subtract that duration so that we get again an absolute
660 * time stamp that will result in correct performance
663 * @param wh handle for writing
664 * @param timestamp time to serialize
665 * @return GNUNET_OK on success
668 write_start_time (struct GNUNET_BIO_WriteHandle *wh,
669 struct GNUNET_TIME_Absolute timestamp)
671 struct GNUNET_TIME_Relative dur;
673 dur = GNUNET_TIME_absolute_get_duration (timestamp);
674 return GNUNET_BIO_write_int64 (wh, dur.value);
679 * Serialize a 'start_time'. Since we use start-times to
680 * calculate the duration of some operation, we actually
681 * do not serialize the absolute time but the (relative)
682 * duration since the start time. When we then
683 * deserialize the start time, we take the current time and
684 * subtract that duration so that we get again an absolute
685 * time stamp that will result in correct performance
688 * @param rh handle for reading
689 * @param timestamp where to write the deserialized timestamp
690 * @return GNUNET_OK on success
693 read_start_time (struct GNUNET_BIO_ReadHandle *rh,
694 struct GNUNET_TIME_Absolute *timestamp)
696 struct GNUNET_TIME_Relative dur;
698 GNUNET_BIO_read_int64 (rh, &dur.value))
699 return GNUNET_SYSERR;
700 *timestamp = GNUNET_TIME_absolute_subtract (GNUNET_TIME_absolute_get (),
707 * Using the given serialization filename, try to deserialize
708 * the file-information tree associated with it.
710 * @param h master context
711 * @param filename name of the file (without directory) with
713 * @return NULL on error
715 static struct GNUNET_FS_FileInformation *
716 deserialize_file_information (struct GNUNET_FS_Handle *h,
717 const char *filename);
721 * Using the given serialization filename, try to deserialize
722 * the file-information tree associated with it.
724 * @param h master context
725 * @param fn name of the file (without directory) with
727 * @param rh handle for reading
728 * @return NULL on error
730 static struct GNUNET_FS_FileInformation *
731 deserialize_fi_node (struct GNUNET_FS_Handle *h,
733 struct GNUNET_BIO_ReadHandle *rh)
735 struct GNUNET_FS_FileInformation *ret;
736 struct GNUNET_FS_FileInformation *nxt;
744 GNUNET_BIO_read (rh, "status flag", &b, sizeof(b)))
749 ret = GNUNET_malloc (sizeof (struct GNUNET_FS_FileInformation));
755 GNUNET_BIO_read_meta_data (rh, "metadata", &ret->meta)) ||
757 GNUNET_BIO_read_string (rh, "ksk-uri", &ksks, 32*1024)) ||
760 (ret->keywords = GNUNET_FS_uri_parse (ksks, NULL))) ) ||
762 GNUNET_FS_uri_test_ksk (ret->keywords)) ||
764 GNUNET_BIO_read_string (rh, "chk-uri", &chks, 1024)) ||
767 (ret->chk_uri = GNUNET_FS_uri_parse (chks, NULL))) ||
769 GNUNET_FS_uri_test_chk (ret->chk_uri)) ) ) ||
771 GNUNET_BIO_read_int64 (rh, &ret->expirationTime.value)) ||
773 read_start_time (rh, &ret->start_time)) ||
775 GNUNET_BIO_read_string (rh, "emsg", &ret->emsg, 16*1024)) ||
777 GNUNET_BIO_read_string (rh, "fn", &ret->filename, 16*1024)) ||
779 GNUNET_BIO_read_int32 (rh, &ret->anonymity)) ||
781 GNUNET_BIO_read_int32 (rh, &ret->priority)) )
788 case 0: /* file-insert */
790 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size))
795 ret->is_directory = GNUNET_NO;
796 ret->data.file.do_index = GNUNET_NO;
797 ret->data.file.have_hash = GNUNET_NO;
798 ret->data.file.index_start_confirmed = GNUNET_NO;
799 if (GNUNET_NO == ret->is_published)
801 if (NULL == ret->filename)
803 ret->data.file.reader = &GNUNET_FS_data_reader_copy_;
804 ret->data.file.reader_cls = GNUNET_malloc_large (ret->data.file.file_size);
805 if (ret->data.file.reader_cls == NULL)
808 GNUNET_BIO_read (rh, "file-data", ret->data.file.reader_cls, ret->data.file.file_size))
816 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
817 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
821 case 1: /* file-index, no hash */
822 if (NULL == ret->filename)
828 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size))
833 ret->is_directory = GNUNET_NO;
834 ret->data.file.do_index = GNUNET_YES;
835 ret->data.file.have_hash = GNUNET_NO;
836 ret->data.file.index_start_confirmed = GNUNET_NO;
837 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
838 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
840 case 2: /* file-index-with-hash */
841 if (NULL == ret->filename)
847 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size)) ||
849 GNUNET_BIO_read (rh, "fileid", &ret->data.file.file_id, sizeof (GNUNET_HashCode))) )
854 ret->is_directory = GNUNET_NO;
855 ret->data.file.do_index = GNUNET_YES;
856 ret->data.file.have_hash = GNUNET_YES;
857 ret->data.file.index_start_confirmed = GNUNET_NO;
858 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
859 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
861 case 3: /* file-index-with-hash-confirmed */
862 if (NULL == ret->filename)
868 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size)) ||
870 GNUNET_BIO_read (rh, "fileid", &ret->data.file.file_id, sizeof (GNUNET_HashCode))) )
875 ret->is_directory = GNUNET_NO;
876 ret->data.file.do_index = GNUNET_YES;
877 ret->data.file.have_hash = GNUNET_YES;
878 ret->data.file.index_start_confirmed = GNUNET_YES;
879 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
880 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
882 case 4: /* directory */
884 GNUNET_BIO_read_int32 (rh, &dsize)) ||
885 (NULL == (ret->data.dir.dir_data = GNUNET_malloc_large (dsize))) ||
887 GNUNET_BIO_read (rh, "dir-data", ret->data.dir.dir_data, dsize)) ||
889 GNUNET_BIO_read_string (rh, "ent-filename", &filename, 16*1024)) )
894 ret->data.dir.dir_size = (uint32_t) dsize;
895 ret->is_directory = GNUNET_YES;
896 if (filename != NULL)
898 ret->data.dir.entries = deserialize_file_information (h, filename);
899 GNUNET_free (filename);
901 nxt = ret->data.dir.entries;
913 ret->serialization = GNUNET_strdup (fn);
915 GNUNET_BIO_read_string (rh, "nxt-filename", &filename, 16*1024))
920 if (filename != NULL)
922 ret->next = deserialize_file_information (h, filename);
923 GNUNET_free (filename);
926 GNUNET_free_non_null (ksks);
927 GNUNET_free_non_null (chks);
930 GNUNET_free_non_null (ksks);
931 GNUNET_free_non_null (chks);
932 GNUNET_free_non_null (filename);
933 GNUNET_FS_file_information_destroy (ret, NULL, NULL);
939 * Using the given serialization filename, try to deserialize
940 * the file-information tree associated with it.
942 * @param h master context
943 * @param filename name of the file (without directory) with
945 * @return NULL on error
947 static struct GNUNET_FS_FileInformation *
948 deserialize_file_information (struct GNUNET_FS_Handle *h,
949 const char *filename)
951 struct GNUNET_FS_FileInformation *ret;
952 struct GNUNET_BIO_ReadHandle *rh;
955 rh = get_read_handle (h, GNUNET_FS_SYNC_PATH_FILE_INFO, filename);
958 ret = deserialize_fi_node (h, filename, rh);
960 GNUNET_BIO_read_close (rh, &emsg))
962 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
963 _("Failed to resume publishing information `%s': %s\n"),
973 * Given a serialization name (full absolute path), return the
974 * basename of the file (without the path), which must only
975 * consist of the 6 random characters.
977 * @param fullname name to extract the basename from
978 * @return copy of the basename, NULL on error
981 get_serialization_short_name (const char *fullname)
988 /* FIXME: we could do this faster since we know
989 the length of 'end'... */
992 if (DIR_SEPARATOR == *nxt)
996 if ( (end == NULL) ||
997 (strlen (end) == 0) )
1002 GNUNET_break (6 == strlen (end));
1003 return GNUNET_strdup (end);
1008 * Create a new random name for serialization. Also checks if persistence
1009 * is enabled and returns NULL if not.
1011 * @param h master context
1012 * @param ext component of the path
1013 * @return NULL on errror
1016 make_serialization_file_name (struct GNUNET_FS_Handle *h,
1023 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
1024 return NULL; /* persistence not requested */
1025 dn = get_serialization_file_name (h, ext, "");
1027 GNUNET_DISK_directory_create_for_file (dn))
1032 fn = GNUNET_DISK_mktemp (dn);
1035 return NULL; /* epic fail */
1036 ret = get_serialization_short_name (fn);
1043 * Create a new random name for serialization. Also checks if persistence
1044 * is enabled and returns NULL if not.
1046 * @param h master context
1047 * @param ext component of the path
1048 * @param uni name of parent
1049 * @return NULL on errror
1052 make_serialization_file_name_in_dir (struct GNUNET_FS_Handle *h,
1060 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
1061 return NULL; /* persistence not requested */
1062 dn = get_serialization_file_name_in_dir (h, ext, uni, "");
1064 GNUNET_DISK_directory_create_for_file (dn))
1069 fn = GNUNET_DISK_mktemp (dn);
1072 return NULL; /* epic fail */
1073 ret = get_serialization_short_name (fn);
1080 * Copy all of the data from the reader to the write handle.
1082 * @param wh write handle
1083 * @param fi file with reader
1084 * @return GNUNET_OK on success
1087 copy_from_reader (struct GNUNET_BIO_WriteHandle *wh,
1088 struct GNUNET_FS_FileInformation * fi)
1090 char buf[32 * 1024];
1097 while (off < fi->data.file.file_size)
1099 ret = fi->data.file.reader (fi->data.file.reader_cls,
1106 return GNUNET_SYSERR;
1109 GNUNET_BIO_write (wh, buf, ret))
1110 return GNUNET_SYSERR;
1118 * Create a temporary file on disk to store the current
1121 * @param fi file information to sync with disk
1124 GNUNET_FS_file_information_sync_ (struct GNUNET_FS_FileInformation * fi)
1127 struct GNUNET_BIO_WriteHandle *wh;
1132 if (NULL == fi->serialization)
1133 fi->serialization = make_serialization_file_name (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO);
1134 if (NULL == fi->serialization)
1136 wh = get_write_handle (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO, fi->serialization);
1139 GNUNET_free (fi->serialization);
1140 fi->serialization = NULL;
1143 if (GNUNET_YES == fi->is_directory)
1145 else if (GNUNET_YES == fi->data.file.index_start_confirmed)
1147 else if (GNUNET_YES == fi->data.file.have_hash)
1149 else if (GNUNET_YES == fi->data.file.do_index)
1153 if (fi->keywords != NULL)
1154 ksks = GNUNET_FS_uri_to_string (fi->keywords);
1157 if (fi->chk_uri != NULL)
1158 chks = GNUNET_FS_uri_to_string (fi->chk_uri);
1162 GNUNET_BIO_write (wh, &b, sizeof (b))) ||
1164 GNUNET_BIO_write_meta_data (wh, fi->meta)) ||
1166 GNUNET_BIO_write_string (wh, ksks)) ||
1168 GNUNET_BIO_write_string (wh, chks)) ||
1170 GNUNET_BIO_write_int64 (wh, fi->expirationTime.value)) ||
1172 write_start_time (wh, fi->start_time)) ||
1174 GNUNET_BIO_write_string (wh, fi->emsg)) ||
1176 GNUNET_BIO_write_string (wh, fi->filename)) ||
1178 GNUNET_BIO_write_int32 (wh, fi->anonymity)) ||
1180 GNUNET_BIO_write_int32 (wh, fi->priority)) )
1185 GNUNET_free_non_null (chks);
1187 GNUNET_free_non_null (ksks);
1192 case 0: /* file-insert */
1194 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size))
1199 if ( (GNUNET_NO == fi->is_published) &&
1200 (NULL == fi->filename) )
1202 copy_from_reader (wh, fi))
1208 case 1: /* file-index, no hash */
1209 if (NULL == fi->filename)
1215 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size))
1221 case 2: /* file-index-with-hash */
1222 case 3: /* file-index-with-hash-confirmed */
1223 if (NULL == fi->filename)
1229 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size)) ||
1231 GNUNET_BIO_write (wh, &fi->data.file.file_id, sizeof (GNUNET_HashCode))) )
1237 case 4: /* directory */
1239 GNUNET_BIO_write_int32 (wh, fi->data.dir.dir_size)) ||
1241 GNUNET_BIO_write (wh, fi->data.dir.dir_data, (uint32_t) fi->data.dir.dir_size)) ||
1243 GNUNET_BIO_write_string (wh,
1244 (fi->data.dir.entries == NULL)
1246 : fi->data.dir.entries->serialization)) )
1257 GNUNET_BIO_write_string (wh, (fi->next != NULL) ? fi->next->serialization : NULL))
1263 GNUNET_BIO_write_close (wh))
1270 (void) GNUNET_BIO_write_close (wh);
1271 GNUNET_free_non_null (chks);
1272 GNUNET_free_non_null (ksks);
1273 fn = get_serialization_file_name (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO, fi->serialization);
1274 if (0 != UNLINK (fn))
1275 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", fn);
1277 GNUNET_free (fi->serialization);
1278 fi->serialization = NULL;
1284 * Find the entry in the file information struct where the
1285 * serialization filename matches the given name.
1287 * @param pos file information to search
1288 * @param srch filename to search for
1289 * @return NULL if srch was not found in this subtree
1291 static struct GNUNET_FS_FileInformation *
1292 find_file_position (struct GNUNET_FS_FileInformation *pos,
1295 struct GNUNET_FS_FileInformation *r;
1299 if (0 == strcmp (srch,
1300 pos->serialization))
1302 if (pos->is_directory)
1304 r = find_file_position (pos->data.dir.entries,
1316 * Signal the FS's progress function that we are resuming
1319 * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
1320 * @param fi the entry in the publish-structure
1321 * @param length length of the file or directory
1322 * @param meta metadata for the file or directory (can be modified)
1323 * @param uri pointer to the keywords that will be used for this entry (can be modified)
1324 * @param anonymity pointer to selected anonymity level (can be modified)
1325 * @param priority pointer to selected priority (can be modified)
1326 * @param expirationTime pointer to selected expiration time (can be modified)
1327 * @param client_info pointer to client context set upon creation (can be modified)
1328 * @return GNUNET_OK to continue (always)
1331 fip_signal_resume(void *cls,
1332 struct GNUNET_FS_FileInformation *fi,
1334 struct GNUNET_CONTAINER_MetaData *meta,
1335 struct GNUNET_FS_Uri **uri,
1336 uint32_t *anonymity,
1338 struct GNUNET_TIME_Absolute *expirationTime,
1341 struct GNUNET_FS_PublishContext *sc = cls;
1342 struct GNUNET_FS_ProgressInfo pi;
1344 pi.status = GNUNET_FS_STATUS_PUBLISH_RESUME;
1345 pi.value.publish.specifics.resume.message = sc->fi->emsg;
1346 pi.value.publish.specifics.resume.chk_uri = sc->fi->chk_uri;
1347 *client_info = GNUNET_FS_publish_make_status_ (&pi, sc, fi, 0);
1353 * Function called with a filename of serialized publishing operation
1356 * @param cls the 'struct GNUNET_FS_Handle*'
1357 * @param filename complete filename (absolute path)
1358 * @return GNUNET_OK (continue to iterate)
1361 deserialize_publish_file (void *cls,
1362 const char *filename)
1364 struct GNUNET_FS_Handle *h = cls;
1365 struct GNUNET_BIO_ReadHandle *rh;
1366 struct GNUNET_FS_PublishContext *pc;
1374 pc = GNUNET_malloc (sizeof (struct GNUNET_FS_PublishContext));
1376 pc->serialization = get_serialization_short_name (filename);
1380 rh = GNUNET_BIO_read_open (filename);
1387 GNUNET_BIO_read_string (rh, "publish-nid", &pc->nid, 1024)) ||
1389 GNUNET_BIO_read_string (rh, "publish-nuid", &pc->nuid, 1024)) ||
1391 GNUNET_BIO_read_int32 (rh, &options)) ||
1393 GNUNET_BIO_read_int32 (rh, &all_done)) ||
1395 GNUNET_BIO_read_string (rh, "publish-firoot", &fi_root, 128)) ||
1397 GNUNET_BIO_read_string (rh, "publish-fipos", &fi_pos, 128)) ||
1399 GNUNET_BIO_read_string (rh, "publish-ns", &ns, 1024)) )
1404 pc->options = options;
1405 pc->all_done = all_done;
1406 pc->fi = deserialize_file_information (h, fi_root);
1414 pc->namespace = GNUNET_FS_namespace_create (h, ns);
1415 if (pc->namespace == NULL)
1417 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1418 _("Failed to recover namespace `%s', cannot resume publishing operation.\n"),
1423 if ( (0 == (pc->options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY)) &&
1424 (GNUNET_YES != pc->all_done) )
1426 pc->dsh = GNUNET_DATASTORE_connect (h->cfg,
1428 if (NULL == pc->dsh)
1433 pc->fi_pos = find_file_position (pc->fi,
1435 GNUNET_free (fi_pos);
1437 if (pc->fi_pos == NULL)
1439 /* failed to find position for resuming, outch! Will start from root! */
1441 if (pc->all_done != GNUNET_YES)
1442 pc->fi_pos = pc->fi;
1445 /* generate RESUME event(s) */
1446 GNUNET_FS_file_information_inspect (pc->fi,
1450 /* re-start publishing (if needed)... */
1451 if (pc->all_done != GNUNET_YES)
1453 = GNUNET_SCHEDULER_add_with_priority (h->sched,
1454 GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
1455 &GNUNET_FS_publish_main_,
1458 GNUNET_BIO_read_close (rh, &emsg))
1460 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1461 _("Failure while resuming publishing operation `%s': %s\n"),
1466 GNUNET_free_non_null (ns);
1467 pc->top = GNUNET_FS_make_top (h, &GNUNET_FS_publish_signal_suspend_, pc);
1470 GNUNET_free_non_null (pc->nid);
1471 GNUNET_free_non_null (pc->nuid);
1472 GNUNET_free_non_null (fi_root);
1473 GNUNET_free_non_null (fi_pos);
1474 GNUNET_free_non_null (ns);
1475 if ( (rh != NULL) &&
1477 GNUNET_BIO_read_close (rh, &emsg)) )
1479 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1480 _("Failed to resume publishing operation `%s': %s\n"),
1486 GNUNET_FS_file_information_destroy (pc->fi, NULL, NULL);
1487 if (0 != UNLINK (filename))
1488 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", filename);
1489 GNUNET_free_non_null (pc->serialization);
1496 * Synchronize this publishing struct with its mirror
1497 * on disk. Note that all internal FS-operations that change
1498 * publishing structs should already call "sync" internally,
1499 * so this function is likely not useful for clients.
1501 * @param pc the struct to sync
1504 GNUNET_FS_publish_sync_ (struct GNUNET_FS_PublishContext *pc)
1506 struct GNUNET_BIO_WriteHandle *wh;
1508 if (NULL == pc->serialization)
1509 pc->serialization = make_serialization_file_name (pc->h,
1510 GNUNET_FS_SYNC_PATH_MASTER_PUBLISH);
1511 if (NULL == pc->serialization)
1515 if (NULL == pc->fi->serialization)
1520 wh = get_write_handle (pc->h, GNUNET_FS_SYNC_PATH_MASTER_PUBLISH, pc->serialization);
1527 GNUNET_BIO_write_string (wh, pc->nid)) ||
1529 GNUNET_BIO_write_string (wh, pc->nuid)) ||
1531 GNUNET_BIO_write_int32 (wh, pc->options)) ||
1533 GNUNET_BIO_write_int32 (wh, pc->all_done)) ||
1535 GNUNET_BIO_write_string (wh, pc->fi->serialization)) ||
1537 GNUNET_BIO_write_string (wh, (pc->fi_pos == NULL) ? NULL : pc->fi_pos->serialization)) ||
1539 GNUNET_BIO_write_string (wh, (pc->namespace == NULL) ? NULL : pc->namespace->name)) )
1545 GNUNET_BIO_write_close (wh))
1554 (void) GNUNET_BIO_write_close (wh);
1555 GNUNET_FS_remove_sync_file_ (pc->h, GNUNET_FS_SYNC_PATH_MASTER_PUBLISH, pc->serialization);
1556 GNUNET_free (pc->serialization);
1557 pc->serialization = NULL;
1562 * Synchronize this unindex struct with its mirror
1563 * on disk. Note that all internal FS-operations that change
1564 * publishing structs should already call "sync" internally,
1565 * so this function is likely not useful for clients.
1567 * @param uc the struct to sync
1570 GNUNET_FS_unindex_sync_ (struct GNUNET_FS_UnindexContext *uc)
1572 struct GNUNET_BIO_WriteHandle *wh;
1574 if (UNINDEX_STATE_ABORTED == uc->state)
1576 if (NULL == uc->serialization)
1577 uc->serialization = make_serialization_file_name (uc->h,
1578 GNUNET_FS_SYNC_PATH_MASTER_UNINDEX);
1579 if (NULL == uc->serialization)
1581 wh = get_write_handle (uc->h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
1588 GNUNET_BIO_write_string (wh, uc->filename)) ||
1590 GNUNET_BIO_write_int64 (wh, uc->file_size)) ||
1592 write_start_time (wh, uc->start_time)) ||
1594 GNUNET_BIO_write_int32 (wh, (uint32_t) uc->state)) ||
1595 ( (uc->state == UNINDEX_STATE_FS_NOTIFY) &&
1597 GNUNET_BIO_write (wh, &uc->file_id, sizeof (GNUNET_HashCode))) ) ||
1598 ( (uc->state == UNINDEX_STATE_ERROR) &&
1600 GNUNET_BIO_write_string (wh, uc->emsg)) ) )
1606 GNUNET_BIO_write_close (wh))
1615 (void) GNUNET_BIO_write_close (wh);
1616 GNUNET_FS_remove_sync_file_ (uc->h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
1617 GNUNET_free (uc->serialization);
1618 uc->serialization = NULL;
1623 * Serialize an active or pending download request.
1625 * @param cls the 'struct GNUNET_BIO_WriteHandle*'
1626 * @param key unused, can be NULL
1627 * @param value the 'struct DownloadRequest'
1628 * @return GNUNET_YES on success, GNUNET_NO on error
1631 write_download_request (void *cls,
1632 const GNUNET_HashCode *key,
1635 struct GNUNET_BIO_WriteHandle *wh = cls;
1636 struct DownloadRequest *dr = value;
1639 GNUNET_BIO_write (wh, &dr->chk, sizeof (struct ContentHashKey))) ||
1641 GNUNET_BIO_write_int64 (wh, dr->offset)) ||
1643 GNUNET_BIO_write_int32 (wh, dr->depth)) )
1650 * Count active download requests.
1652 * @param cls the 'uint32_t*' counter
1653 * @param key unused, can be NULL
1654 * @param value the 'struct DownloadRequest'
1655 * @return GNUNET_YES (continue iteration)
1658 count_download_requests (void *cls,
1659 const GNUNET_HashCode *key,
1662 uint32_t *counter = cls;
1670 * Compute the name of the sync file (or directory) for the given download
1673 * @param dc download context to compute for
1674 * @param uni unique filename to use, use "" for the directory name
1675 * @param ext extension to use, use ".dir" for our own subdirectory
1676 * @return the expanded file name, NULL for none
1679 get_download_sync_filename (struct GNUNET_FS_DownloadContext *dc,
1686 if (dc->parent == NULL)
1687 return get_serialization_file_name (dc->h,
1688 (dc->search != NULL) ?
1689 GNUNET_FS_SYNC_PATH_CHILD_DOWNLOAD :
1690 GNUNET_FS_SYNC_PATH_MASTER_DOWNLOAD,
1692 if (dc->parent->serialization == NULL)
1694 par = get_download_sync_filename (dc->parent, dc->parent->serialization, "");
1697 GNUNET_asprintf (&epar,
1709 * Synchronize this download struct with its mirror
1710 * on disk. Note that all internal FS-operations that change
1711 * publishing structs should already call "sync" internally,
1712 * so this function is likely not useful for clients.
1714 * @param dc the struct to sync
1717 GNUNET_FS_download_sync_ (struct GNUNET_FS_DownloadContext *dc)
1719 struct GNUNET_BIO_WriteHandle *wh;
1723 uint32_t num_pending;
1725 if (NULL == dc->serialization)
1727 dir = get_download_sync_filename (dc, "", "");
1731 GNUNET_DISK_directory_create_for_file (dir))
1736 fn = GNUNET_DISK_mktemp (dir);
1738 dc->serialization = get_serialization_short_name (fn);
1742 fn = get_download_sync_filename (dc, dc->serialization, "");
1744 wh = GNUNET_BIO_write_open (fn);
1747 GNUNET_free (dc->serialization);
1748 dc->serialization = NULL;
1752 GNUNET_assert ( (GNUNET_YES == GNUNET_FS_uri_test_chk (dc->uri)) ||
1753 (GNUNET_YES == GNUNET_FS_uri_test_loc (dc->uri)) );
1754 uris = GNUNET_FS_uri_to_string (dc->uri);
1756 if (dc->emsg == NULL)
1757 (void) GNUNET_CONTAINER_multihashmap_iterate (dc->active,
1758 &count_download_requests,
1760 GNUNET_assert ( (dc->length == dc->completed) ||
1761 (dc->emsg != NULL) ||
1762 (num_pending > 0) );
1764 GNUNET_BIO_write_string (wh, uris)) ||
1766 GNUNET_BIO_write_meta_data (wh, dc->meta)) ||
1768 GNUNET_BIO_write_string (wh, dc->emsg)) ||
1770 GNUNET_BIO_write_string (wh, dc->filename)) ||
1772 GNUNET_BIO_write_string (wh, dc->temp_filename)) ||
1774 GNUNET_BIO_write_int64 (wh, dc->old_file_size)) ||
1776 GNUNET_BIO_write_int64 (wh, dc->offset)) ||
1778 GNUNET_BIO_write_int64 (wh, dc->length)) ||
1780 GNUNET_BIO_write_int64 (wh, dc->completed)) ||
1782 write_start_time (wh, dc->start_time)) ||
1784 GNUNET_BIO_write_int32 (wh, dc->anonymity)) ||
1786 GNUNET_BIO_write_int32 (wh, (uint32_t) dc->options)) ||
1788 GNUNET_BIO_write_int32 (wh, (uint32_t) dc->has_finished)) ||
1790 GNUNET_BIO_write_int32 (wh, num_pending)) )
1795 if (GNUNET_SYSERR ==
1796 GNUNET_CONTAINER_multihashmap_iterate (dc->active,
1797 &write_download_request,
1803 GNUNET_free_non_null (uris);
1805 GNUNET_BIO_write_close (wh))
1815 (void) GNUNET_BIO_write_close (wh);
1816 GNUNET_free_non_null (uris);
1817 if (0 != UNLINK (fn))
1818 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", fn);
1820 GNUNET_free (dc->serialization);
1821 dc->serialization = NULL;
1826 * Synchronize this search result with its mirror
1827 * on disk. Note that all internal FS-operations that change
1828 * publishing structs should already call "sync" internally,
1829 * so this function is likely not useful for clients.
1831 * @param sr the struct to sync
1834 GNUNET_FS_search_result_sync_ (struct GNUNET_FS_SearchResult *sr)
1836 struct GNUNET_BIO_WriteHandle *wh;
1840 if (NULL == sr->serialization)
1841 sr->serialization = make_serialization_file_name_in_dir (sr->sc->h,
1842 (sr->sc->psearch_result == NULL)
1843 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1844 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1845 sr->sc->serialization);
1846 if (NULL == sr->serialization)
1848 wh = get_write_handle_in_dir (sr->sc->h,
1849 (sr->sc->psearch_result == NULL)
1850 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1851 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1852 sr->sc->serialization,
1859 uris = GNUNET_FS_uri_to_string (sr->uri);
1861 GNUNET_BIO_write_string (wh, uris)) ||
1863 GNUNET_BIO_write_string (wh, sr->download != NULL ? sr->download->serialization : NULL)) ||
1865 GNUNET_BIO_write_string (wh, sr->update_search != NULL ? sr->update_search->serialization : NULL)) ||
1867 GNUNET_BIO_write_meta_data (wh, sr->meta)) ||
1869 GNUNET_BIO_write (wh, &sr->key, sizeof (GNUNET_HashCode))) ||
1871 GNUNET_BIO_write_int32 (wh, sr->mandatory_missing)) ||
1873 GNUNET_BIO_write_int32 (wh, sr->optional_support)) ||
1875 GNUNET_BIO_write_int32 (wh, sr->availability_success)) ||
1877 GNUNET_BIO_write_int32 (wh, sr->availability_trials)) )
1883 GNUNET_BIO_write_close (wh))
1889 GNUNET_free_non_null (uris);
1892 GNUNET_free_non_null (uris);
1894 (void) GNUNET_BIO_write_close (wh);
1895 remove_sync_file_in_dir (sr->sc->h,
1896 (sr->sc->psearch_result == NULL)
1897 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1898 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1899 sr->sc->serialization,
1901 GNUNET_free (sr->serialization);
1902 sr->serialization = NULL;
1907 * Synchronize this search struct with its mirror
1908 * on disk. Note that all internal FS-operations that change
1909 * publishing structs should already call "sync" internally,
1910 * so this function is likely not useful for clients.
1912 * @param sc the struct to sync
1915 GNUNET_FS_search_sync_ (struct GNUNET_FS_SearchContext *sc)
1917 struct GNUNET_BIO_WriteHandle *wh;
1920 const char *category;
1922 category = (sc->psearch_result == NULL)
1923 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1924 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH;
1925 if (NULL == sc->serialization)
1926 sc->serialization = make_serialization_file_name (sc->h,
1928 if (NULL == sc->serialization)
1930 wh = get_write_handle (sc->h, category, sc->serialization);
1936 GNUNET_assert ( (GNUNET_YES == GNUNET_FS_uri_test_ksk (sc->uri)) ||
1937 (GNUNET_YES == GNUNET_FS_uri_test_sks (sc->uri)) );
1938 uris = GNUNET_FS_uri_to_string (sc->uri);
1939 in_pause = (sc->task != GNUNET_SCHEDULER_NO_TASK) ? 'r' : '\0';
1941 GNUNET_BIO_write_string (wh, uris)) ||
1943 write_start_time (wh, sc->start_time)) ||
1945 GNUNET_BIO_write_string (wh, sc->emsg)) ||
1947 GNUNET_BIO_write_int32 (wh, (uint32_t) sc->options)) ||
1949 GNUNET_BIO_write (wh, &in_pause, sizeof (in_pause))) ||
1951 GNUNET_BIO_write_int32 (wh, sc->anonymity)) )
1959 GNUNET_BIO_write_close (wh))
1968 (void) GNUNET_BIO_write_close (wh);
1969 GNUNET_free_non_null (uris);
1970 GNUNET_FS_remove_sync_file_ (sc->h, category, sc->serialization);
1971 GNUNET_free (sc->serialization);
1972 sc->serialization = NULL;
1977 * Function called with a filename of serialized unindexing operation
1980 * @param cls the 'struct GNUNET_FS_Handle*'
1981 * @param filename complete filename (absolute path)
1982 * @return GNUNET_OK (continue to iterate)
1985 deserialize_unindex_file (void *cls,
1986 const char *filename)
1988 struct GNUNET_FS_Handle *h = cls;
1989 struct GNUNET_BIO_ReadHandle *rh;
1990 struct GNUNET_FS_UnindexContext *uc;
1991 struct GNUNET_FS_ProgressInfo pi;
1995 uc = GNUNET_malloc (sizeof (struct GNUNET_FS_UnindexContext));
1997 uc->serialization = get_serialization_short_name (filename);
1998 rh = GNUNET_BIO_read_open (filename);
2005 GNUNET_BIO_read_string (rh, "unindex-fn", &uc->filename, 10*1024)) ||
2007 GNUNET_BIO_read_int64 (rh, &uc->file_size)) ||
2009 read_start_time (rh, &uc->start_time)) ||
2011 GNUNET_BIO_read_int32 (rh, &state)) )
2016 uc->state = (enum UnindexState) state;
2019 case UNINDEX_STATE_HASHING:
2021 case UNINDEX_STATE_FS_NOTIFY:
2023 GNUNET_BIO_read (rh, "unindex-hash", &uc->file_id, sizeof (GNUNET_HashCode)))
2029 case UNINDEX_STATE_DS_REMOVE:
2031 case UNINDEX_STATE_COMPLETE:
2033 case UNINDEX_STATE_ERROR:
2035 GNUNET_BIO_read_string (rh, "unindex-emsg", &uc->emsg, 10*1024))
2041 case UNINDEX_STATE_ABORTED:
2048 uc->top = GNUNET_FS_make_top (h,
2049 &GNUNET_FS_unindex_signal_suspend_,
2051 pi.status = GNUNET_FS_STATUS_UNINDEX_RESUME;
2052 pi.value.unindex.specifics.resume.message = uc->emsg;
2053 GNUNET_FS_unindex_make_status_ (&pi,
2055 (uc->state == UNINDEX_STATE_COMPLETE)
2060 case UNINDEX_STATE_HASHING:
2061 uc->fhc = GNUNET_CRYPTO_hash_file (uc->h->sched,
2062 GNUNET_SCHEDULER_PRIORITY_IDLE,
2065 &GNUNET_FS_unindex_process_hash_,
2068 case UNINDEX_STATE_FS_NOTIFY:
2069 uc->state = UNINDEX_STATE_HASHING;
2070 GNUNET_FS_unindex_process_hash_ (uc,
2073 case UNINDEX_STATE_DS_REMOVE:
2074 GNUNET_FS_unindex_do_remove_ (uc);
2076 case UNINDEX_STATE_COMPLETE:
2077 case UNINDEX_STATE_ERROR:
2078 /* no need to resume any operation, we were done */
2084 GNUNET_BIO_read_close (rh, &emsg))
2086 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2087 _("Failure while resuming unindexing operation `%s': %s\n"),
2094 GNUNET_free_non_null (uc->filename);
2095 if ( (rh != NULL) &&
2097 GNUNET_BIO_read_close (rh, &emsg)) )
2099 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2100 _("Failed to resume unindexing operation `%s': %s\n"),
2105 if (uc->serialization != NULL)
2106 GNUNET_FS_remove_sync_file_ (h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
2107 GNUNET_free_non_null (uc->serialization);
2114 * Deserialize a download.
2116 * @param h overall context
2117 * @param rh file to deserialize from
2118 * @param parent parent download
2119 * @param search associated search
2120 * @param serialization name under which the search was serialized
2123 deserialize_download (struct GNUNET_FS_Handle *h,
2124 struct GNUNET_BIO_ReadHandle *rh,
2125 struct GNUNET_FS_DownloadContext *parent,
2126 struct GNUNET_FS_SearchResult *search,
2127 const char *serialization);
2131 * Deserialize a search.
2133 * @param h overall context
2134 * @param rh file to deserialize from
2135 * @param psearch_result parent search result
2136 * @param serialization name under which the search was serialized
2138 static struct GNUNET_FS_SearchContext *
2139 deserialize_search (struct GNUNET_FS_Handle *h,
2140 struct GNUNET_BIO_ReadHandle *rh,
2141 struct GNUNET_FS_SearchResult *psearch_result,
2142 const char *serialization);
2146 * Function called with a filename of serialized search result
2149 * @param cls the 'struct GNUNET_FS_SearchContext*'
2150 * @param filename complete filename (absolute path)
2151 * @return GNUNET_OK (continue to iterate)
2154 deserialize_search_result (void *cls,
2155 const char *filename)
2157 struct GNUNET_FS_SearchContext *sc = cls;
2163 struct GNUNET_BIO_ReadHandle *rh;
2164 struct GNUNET_BIO_ReadHandle *drh;
2165 struct GNUNET_FS_SearchResult *sr;
2167 ser = get_serialization_short_name (filename);
2168 rh = GNUNET_BIO_read_open (filename);
2173 remove_sync_file_in_dir (sc->h,
2174 (sc->psearch_result == NULL)
2175 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2176 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2186 sr = GNUNET_malloc (sizeof (struct GNUNET_FS_SearchResult));
2187 sr->serialization = ser;
2189 GNUNET_BIO_read_string (rh, "result-uri", &uris, 10*1024)) ||
2190 (NULL == (sr->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2192 GNUNET_BIO_read_string (rh, "download-lnk", &download, 16)) ||
2194 GNUNET_BIO_read_string (rh, "search-lnk", &update_srch, 16)) ||
2196 GNUNET_BIO_read_meta_data (rh, "result-meta", &sr->meta)) ||
2198 GNUNET_BIO_read (rh, "result-key", &sr->key, sizeof (GNUNET_HashCode))) ||
2200 GNUNET_BIO_read_int32 (rh, &sr->mandatory_missing)) ||
2202 GNUNET_BIO_read_int32 (rh, &sr->optional_support)) ||
2204 GNUNET_BIO_read_int32 (rh, &sr->availability_success)) ||
2206 GNUNET_BIO_read_int32 (rh, &sr->availability_trials)) )
2212 if (download != NULL)
2214 drh = get_read_handle (sc->h,
2215 GNUNET_FS_SYNC_PATH_CHILD_DOWNLOAD,
2217 deserialize_download (sc->h,
2223 GNUNET_BIO_read_close (drh, &emsg))
2225 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2226 _("Failed to resume sub-download `%s': %s\n"),
2231 GNUNET_free (download);
2233 if (update_srch != NULL)
2235 drh = get_read_handle (sc->h,
2236 GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2238 deserialize_search (sc->h,
2243 GNUNET_BIO_read_close (drh, &emsg))
2245 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2246 _("Failed to resume sub-search `%s': %s\n"),
2251 GNUNET_free (update_srch);
2253 GNUNET_CONTAINER_multihashmap_put (sc->master_result_map,
2256 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2259 GNUNET_free_non_null (download);
2260 GNUNET_free_non_null (emsg);
2261 GNUNET_free_non_null (uris);
2262 if (sr->uri != NULL)
2263 GNUNET_FS_uri_destroy (sr->uri);
2264 if (sr->meta != NULL)
2265 GNUNET_CONTAINER_meta_data_destroy (sr->meta);
2266 GNUNET_free (sr->serialization);
2273 * Send the 'resume' signal to the callback; also actually
2274 * resume the download (put it in the queue). Does this
2275 * recursively for the top-level download and all child
2278 * @param dc download to resume
2281 signal_download_resume (struct GNUNET_FS_DownloadContext *dc)
2283 struct GNUNET_FS_DownloadContext *dcc;
2284 struct GNUNET_FS_ProgressInfo pi;
2286 pi.status = GNUNET_FS_STATUS_DOWNLOAD_RESUME;
2287 pi.value.download.specifics.resume.meta = dc->meta;
2288 pi.value.download.specifics.resume.message = dc->emsg;
2289 GNUNET_FS_download_make_status_ (&pi,
2291 dcc = dc->child_head;
2294 signal_download_resume (dcc);
2297 if (dc->pending != NULL)
2298 GNUNET_FS_download_start_downloading_ (dc);
2303 * Signal resuming of a search to our clients (for the
2304 * top level search and all sub-searches).
2306 * @param sc search being resumed
2309 signal_search_resume (struct GNUNET_FS_SearchContext *sc);
2313 * Iterator over search results signaling resume to the client for
2316 * @param cls closure, the 'struct GNUNET_FS_SearchContext'
2317 * @param key current key code
2318 * @param value value in the hash map, the 'struct GNUNET_FS_SearchResult'
2319 * @return GNUNET_YES (we should continue to iterate)
2322 signal_result_resume (void *cls,
2323 const GNUNET_HashCode * key,
2326 struct GNUNET_FS_SearchContext *sc = cls;
2327 struct GNUNET_FS_ProgressInfo pi;
2328 struct GNUNET_FS_SearchResult *sr = value;
2330 if (0 == sr->mandatory_missing)
2332 pi.status = GNUNET_FS_STATUS_SEARCH_RESUME_RESULT;
2333 pi.value.search.specifics.resume_result.meta = sr->meta;
2334 pi.value.search.specifics.resume_result.uri = sr->uri;
2335 pi.value.search.specifics.resume_result.result = sr;
2336 pi.value.search.specifics.resume_result.availability_rank = 2*sr->availability_success - sr->availability_trials;
2337 pi.value.search.specifics.resume_result.availability_certainty = sr->availability_trials;
2338 pi.value.search.specifics.resume_result.applicability_rank = sr->optional_support;
2339 sr->client_info = GNUNET_FS_search_make_status_ (&pi,
2342 if (sr->download != NULL)
2344 signal_download_resume (sr->download);
2348 GNUNET_FS_search_start_probe_ (sr);
2350 if (sr->update_search != NULL)
2351 signal_search_resume (sr->update_search);
2357 * Free memory allocated by the search context and its children
2359 * @param sc search context to free
2362 free_search_context (struct GNUNET_FS_SearchContext *sc);
2366 * Iterator over search results freeing each.
2368 * @param cls closure, the 'struct GNUNET_FS_SearchContext'
2369 * @param key current key code
2370 * @param value value in the hash map, the 'struct GNUNET_FS_SearchResult'
2371 * @return GNUNET_YES (we should continue to iterate)
2374 free_result (void *cls,
2375 const GNUNET_HashCode * key,
2378 struct GNUNET_FS_SearchResult *sr = value;
2380 if (sr->update_search != NULL)
2382 free_search_context (sr->update_search);
2383 GNUNET_assert (NULL == sr->update_search);
2385 GNUNET_CONTAINER_meta_data_destroy (sr->meta);
2386 GNUNET_FS_uri_destroy (sr->uri);
2393 * Free memory allocated by the search context and its children
2395 * @param sc search context to free
2398 free_search_context (struct GNUNET_FS_SearchContext *sc)
2400 if (sc->serialization != NULL)
2402 GNUNET_FS_remove_sync_file_ (sc->h,
2403 (sc->psearch_result == NULL)
2404 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2405 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2407 GNUNET_FS_remove_sync_dir_ (sc->h,
2408 (sc->psearch_result == NULL)
2409 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2410 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2413 GNUNET_free_non_null (sc->serialization);
2414 GNUNET_free_non_null (sc->emsg);
2415 if (sc->uri != NULL)
2416 GNUNET_FS_uri_destroy (sc->uri);
2417 if (sc->master_result_map != NULL)
2419 GNUNET_CONTAINER_multihashmap_iterate (sc->master_result_map,
2422 GNUNET_CONTAINER_multihashmap_destroy (sc->master_result_map);
2429 * Function called with a filename of serialized sub-download
2432 * @param cls the 'struct GNUNET_FS_DownloadContext*' (parent)
2433 * @param filename complete filename (absolute path)
2434 * @return GNUNET_OK (continue to iterate)
2437 deserialize_subdownload (void *cls,
2438 const char *filename)
2440 struct GNUNET_FS_DownloadContext *parent = cls;
2443 struct GNUNET_BIO_ReadHandle *rh;
2445 ser = get_serialization_short_name (filename);
2446 rh = GNUNET_BIO_read_open (filename);
2449 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2450 _("Failed to resume sub-download `%s': could not open file `%s'\n"),
2456 deserialize_download (parent->h,
2462 GNUNET_BIO_read_close (rh, &emsg))
2464 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2465 _("Failed to resume sub-download `%s': %s\n"),
2476 * Free this download context and all of its descendants.
2477 * (only works during deserialization since not all possible
2478 * state it taken care of).
2480 * @param dc context to free
2483 free_download_context (struct GNUNET_FS_DownloadContext *dc)
2485 struct GNUNET_FS_DownloadContext *dcc;
2486 struct DownloadRequest *dr;
2487 if (dc->meta != NULL)
2488 GNUNET_CONTAINER_meta_data_destroy (dc->meta);
2489 if (dc->uri != NULL)
2490 GNUNET_FS_uri_destroy (dc->uri);
2491 GNUNET_free_non_null (dc->temp_filename);
2492 GNUNET_free_non_null (dc->emsg);
2493 GNUNET_free_non_null (dc->filename);
2494 while (NULL != (dcc = dc->child_head))
2496 GNUNET_CONTAINER_DLL_remove (dc->child_head,
2499 free_download_context (dcc);
2501 while (NULL != (dr = dc->pending))
2503 dc->pending = dr->next;
2511 * Deserialize a download.
2513 * @param h overall context
2514 * @param rh file to deserialize from
2515 * @param parent parent download
2516 * @param search associated search
2517 * @param serialization name under which the search was serialized
2520 deserialize_download (struct GNUNET_FS_Handle *h,
2521 struct GNUNET_BIO_ReadHandle *rh,
2522 struct GNUNET_FS_DownloadContext *parent,
2523 struct GNUNET_FS_SearchResult *search,
2524 const char *serialization)
2526 struct GNUNET_FS_DownloadContext *dc;
2527 struct DownloadRequest *dr;
2533 uint32_t num_pending;
2538 dc = GNUNET_malloc (sizeof (struct GNUNET_FS_DownloadContext));
2539 dc->parent = parent;
2541 dc->serialization = GNUNET_strdup (serialization);
2543 GNUNET_BIO_read_string (rh, "download-uri", &uris, 10*1024)) ||
2544 (NULL == (dc->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2545 ( (GNUNET_YES != GNUNET_FS_uri_test_chk (dc->uri)) &&
2546 (GNUNET_YES != GNUNET_FS_uri_test_loc (dc->uri)) ) ||
2548 GNUNET_BIO_read_meta_data (rh, "download-meta", &dc->meta)) ||
2550 GNUNET_BIO_read_string (rh, "download-emsg", &dc->emsg, 10*1024)) ||
2552 GNUNET_BIO_read_string (rh, "download-fn", &dc->filename, 10*1024)) ||
2554 GNUNET_BIO_read_string (rh, "download-tfn", &dc->temp_filename, 10*1024)) ||
2556 GNUNET_BIO_read_int64 (rh, &dc->old_file_size)) ||
2558 GNUNET_BIO_read_int64 (rh, &dc->offset)) ||
2560 GNUNET_BIO_read_int64 (rh, &dc->length)) ||
2562 GNUNET_BIO_read_int64 (rh, &dc->completed)) ||
2564 read_start_time (rh, &dc->start_time)) ||
2566 GNUNET_BIO_read_int32 (rh, &dc->anonymity)) ||
2568 GNUNET_BIO_read_int32 (rh, &options)) ||
2570 GNUNET_BIO_read_int32 (rh, &status)) ||
2572 GNUNET_BIO_read_int32 (rh, &num_pending)) )
2577 dc->options = (enum GNUNET_FS_DownloadOptions) options;
2578 dc->active = GNUNET_CONTAINER_multihashmap_create (16);
2579 dc->has_finished = (int) status;
2580 dc->treedepth = GNUNET_FS_compute_depth (GNUNET_FS_uri_chk_get_file_size (dc->uri));
2581 if (GNUNET_FS_uri_test_loc (dc->uri))
2582 GNUNET_assert (GNUNET_OK ==
2583 GNUNET_FS_uri_loc_get_peer_identity (dc->uri,
2585 if ( (dc->length > dc->completed) &&
2586 (num_pending == 0) )
2591 while (0 < num_pending--)
2593 dr = GNUNET_malloc (sizeof (struct DownloadRequest));
2595 GNUNET_BIO_read (rh, "chk", &dr->chk, sizeof (struct ContentHashKey))) ||
2597 GNUNET_BIO_read_int64 (rh, &dr->offset)) ||
2599 GNUNET_BIO_read_int32 (rh, &dr->depth)) )
2604 dr->is_pending = GNUNET_YES;
2605 dr->next = dc->pending;
2607 GNUNET_CONTAINER_multihashmap_put (dc->active,
2610 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2614 dn = get_download_sync_filename (dc, dc->serialization, ".dir");
2618 GNUNET_DISK_directory_test (dn))
2619 GNUNET_DISK_directory_scan (dn, &deserialize_subdownload, dc);
2624 abort (); // for debugging for now
2625 GNUNET_CONTAINER_DLL_insert (parent->child_head,
2631 dc->search = search;
2632 search->download = dc;
2634 if ( (parent == NULL) &&
2637 dc->top = GNUNET_FS_make_top (dc->h,
2638 &GNUNET_FS_download_signal_suspend_,
2640 signal_download_resume (dc);
2645 GNUNET_free_non_null (uris);
2646 GNUNET_free_non_null (dr);
2647 GNUNET_free_non_null (emsg);
2648 free_download_context (dc);
2653 * Signal resuming of a search to our clients (for the
2654 * top level search and all sub-searches).
2656 * @param sc search being resumed
2659 signal_search_resume (struct GNUNET_FS_SearchContext *sc)
2661 struct GNUNET_FS_ProgressInfo pi;
2663 pi.status = GNUNET_FS_STATUS_SEARCH_RESUME;
2664 pi.value.search.specifics.resume.message = sc->emsg;
2665 pi.value.search.specifics.resume.is_paused = (sc->client == NULL) ? GNUNET_YES : GNUNET_NO;
2666 sc->client_info = GNUNET_FS_search_make_status_ (&pi,
2668 GNUNET_CONTAINER_multihashmap_iterate (sc->master_result_map,
2669 &signal_result_resume,
2676 * Deserialize a search.
2678 * @param h overall context
2679 * @param rh file to deserialize from
2680 * @param psearch_result parent search result
2681 * @param serialization name under which the search was serialized
2683 static struct GNUNET_FS_SearchContext *
2684 deserialize_search (struct GNUNET_FS_Handle *h,
2685 struct GNUNET_BIO_ReadHandle *rh,
2686 struct GNUNET_FS_SearchResult *psearch_result,
2687 const char *serialization)
2689 struct GNUNET_FS_SearchContext *sc;
2696 if ( (psearch_result != NULL) &&
2697 (psearch_result->update_search != NULL) )
2704 sc = GNUNET_malloc (sizeof (struct GNUNET_FS_SearchContext));
2705 if (psearch_result != NULL)
2707 sc->psearch_result = psearch_result;
2708 psearch_result->update_search = sc;
2711 sc->serialization = GNUNET_strdup (serialization);
2713 GNUNET_BIO_read_string (rh, "search-uri", &uris, 10*1024)) ||
2714 (NULL == (sc->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2715 ( (GNUNET_YES != GNUNET_FS_uri_test_ksk (sc->uri)) &&
2716 (GNUNET_YES != GNUNET_FS_uri_test_sks (sc->uri)) ) ||
2718 read_start_time (rh, &sc->start_time)) ||
2720 GNUNET_BIO_read_string (rh, "search-emsg", &sc->emsg, 10*1024)) ||
2722 GNUNET_BIO_read_int32 (rh, &options)) ||
2724 GNUNET_BIO_read (rh, "search-pause", &in_pause, sizeof (in_pause))) ||
2726 GNUNET_BIO_read_int32 (rh, &sc->anonymity)) )
2731 sc->options = (enum GNUNET_FS_SearchOptions) options;
2732 sc->master_result_map = GNUNET_CONTAINER_multihashmap_create (16);
2733 dn = get_serialization_file_name_in_dir (h,
2734 (sc->psearch_result == NULL)
2735 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2736 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2742 GNUNET_DISK_directory_test (dn))
2743 GNUNET_DISK_directory_scan (dn, &deserialize_search_result, sc);
2746 if ( ('\0' == in_pause) &&
2748 GNUNET_FS_search_start_searching_ (sc)) )
2750 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2751 _("Could not resume running search, will resume as paused search\n"));
2753 signal_search_resume (sc);
2757 GNUNET_free_non_null (emsg);
2758 free_search_context (sc);
2759 GNUNET_free_non_null (uris);
2765 * Function called with a filename of serialized search operation
2768 * @param cls the 'struct GNUNET_FS_Handle*'
2769 * @param filename complete filename (absolute path)
2770 * @return GNUNET_OK (continue to iterate)
2773 deserialize_search_file (void *cls,
2774 const char *filename)
2776 struct GNUNET_FS_Handle *h = cls;
2779 struct GNUNET_BIO_ReadHandle *rh;
2780 struct GNUNET_FS_SearchContext *sc;
2782 ser = get_serialization_short_name (filename);
2783 rh = GNUNET_BIO_read_open (filename);
2788 GNUNET_FS_remove_sync_file_ (h, GNUNET_FS_SYNC_PATH_MASTER_SEARCH, ser);
2793 sc = deserialize_search (h, rh, NULL, ser);
2794 sc->top = GNUNET_FS_make_top (h, &GNUNET_FS_search_signal_suspend_, sc);
2797 GNUNET_BIO_read_close (rh, &emsg))
2799 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2800 _("Failure while resuming search operation `%s': %s\n"),
2810 * Function called with a filename of serialized download operation
2813 * @param cls the 'struct GNUNET_FS_Handle*'
2814 * @param filename complete filename (absolute path)
2815 * @return GNUNET_OK (continue to iterate)
2818 deserialize_download_file (void *cls,
2819 const char *filename)
2821 struct GNUNET_FS_Handle *h = cls;
2824 struct GNUNET_BIO_ReadHandle *rh;
2826 ser = get_serialization_short_name (filename);
2827 rh = GNUNET_BIO_read_open (filename);
2830 if (filename != NULL)
2832 if (0 != UNLINK (filename))
2833 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
2840 deserialize_download (h, rh, NULL, NULL, ser);
2843 GNUNET_BIO_read_close (rh, &emsg))
2845 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2846 _("Failure while resuming download operation `%s': %s\n"),
2856 * Deserialize informatin about pending operations.
2858 * @param master_path which master directory should be scanned
2859 * @param proc function to call for each entry (will get 'h' for 'cls')
2860 * @param h the 'struct GNUNET_FS_Handle*'
2863 deserialization_master (const char *master_path,
2864 GNUNET_FileNameCallback proc,
2865 struct GNUNET_FS_Handle *h)
2869 dn = get_serialization_file_name (h, master_path, "");
2873 GNUNET_DISK_directory_test (dn))
2874 GNUNET_DISK_directory_scan (dn, proc, h);
2880 * Setup a connection to the file-sharing service.
2882 * @param sched scheduler to use
2883 * @param cfg configuration to use
2884 * @param client_name unique identifier for this client
2885 * @param upcb function to call to notify about FS actions
2886 * @param upcb_cls closure for upcb
2887 * @param flags specific attributes for fs-operations
2888 * @param ... list of optional options, terminated with GNUNET_FS_OPTIONS_END
2889 * @return NULL on error
2891 struct GNUNET_FS_Handle *
2892 GNUNET_FS_start (struct GNUNET_SCHEDULER_Handle *sched,
2893 const struct GNUNET_CONFIGURATION_Handle *cfg,
2894 const char *client_name,
2895 GNUNET_FS_ProgressCallback upcb,
2897 enum GNUNET_FS_Flags flags,
2900 struct GNUNET_FS_Handle *ret;
2901 enum GNUNET_FS_OPTIONS opt;
2904 ret = GNUNET_malloc (sizeof (struct GNUNET_FS_Handle));
2907 ret->client_name = GNUNET_strdup (client_name);
2909 ret->upcb_cls = upcb_cls;
2911 ret->max_parallel_downloads = 1;
2912 ret->max_parallel_requests = 1;
2913 ret->avg_block_latency = GNUNET_TIME_UNIT_MINUTES; /* conservative starting point */
2914 va_start (ap, flags);
2915 while (GNUNET_FS_OPTIONS_END != (opt = va_arg (ap, enum GNUNET_FS_OPTIONS)))
2919 case GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM:
2920 ret->max_parallel_downloads = va_arg (ap, unsigned int);
2922 case GNUNET_FS_OPTIONS_REQUEST_PARALLELISM:
2923 ret->max_parallel_requests = va_arg (ap, unsigned int);
2927 GNUNET_free (ret->client_name);
2934 if (0 != (GNUNET_FS_FLAGS_PERSISTENCE & flags))
2936 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_PUBLISH,
2937 &deserialize_publish_file,
2939 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_SEARCH,
2940 &deserialize_search_file,
2942 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_DOWNLOAD,
2943 &deserialize_download_file,
2945 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_UNINDEX,
2946 &deserialize_unindex_file,
2954 * Close our connection with the file-sharing service.
2955 * The callback given to GNUNET_FS_start will no longer be
2956 * called after this function returns.
2958 * @param h handle that was returned from GNUNET_FS_start
2961 GNUNET_FS_stop (struct GNUNET_FS_Handle *h)
2963 while (h->top_head != NULL)
2964 h->top_head->ssf (h->top_head->ssf_cls);
2965 if (h->queue_job != GNUNET_SCHEDULER_NO_TASK)
2966 GNUNET_SCHEDULER_cancel (h->sched,
2968 GNUNET_free (h->client_name);