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"),
970 if (0 != UNLINK (filename))
971 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
980 * Given a serialization name (full absolute path), return the
981 * basename of the file (without the path), which must only
982 * consist of the 6 random characters.
984 * @param fullname name to extract the basename from
985 * @return copy of the basename, NULL on error
988 get_serialization_short_name (const char *fullname)
995 /* FIXME: we could do this faster since we know
996 the length of 'end'... */
999 if (DIR_SEPARATOR == *nxt)
1003 if ( (end == NULL) ||
1004 (strlen (end) == 0) )
1009 GNUNET_break (6 == strlen (end));
1010 return GNUNET_strdup (end);
1015 * Create a new random name for serialization. Also checks if persistence
1016 * is enabled and returns NULL if not.
1018 * @param h master context
1019 * @param ext component of the path
1020 * @return NULL on errror
1023 make_serialization_file_name (struct GNUNET_FS_Handle *h,
1030 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
1031 return NULL; /* persistence not requested */
1032 dn = get_serialization_file_name (h, ext, "");
1034 GNUNET_DISK_directory_create_for_file (dn))
1039 fn = GNUNET_DISK_mktemp (dn);
1042 return NULL; /* epic fail */
1043 ret = get_serialization_short_name (fn);
1050 * Create a new random name for serialization. Also checks if persistence
1051 * is enabled and returns NULL if not.
1053 * @param h master context
1054 * @param ext component of the path
1055 * @param uni name of parent
1056 * @return NULL on errror
1059 make_serialization_file_name_in_dir (struct GNUNET_FS_Handle *h,
1067 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
1068 return NULL; /* persistence not requested */
1069 dn = get_serialization_file_name_in_dir (h, ext, uni, "");
1071 GNUNET_DISK_directory_create_for_file (dn))
1076 fn = GNUNET_DISK_mktemp (dn);
1079 return NULL; /* epic fail */
1080 ret = get_serialization_short_name (fn);
1087 * Copy all of the data from the reader to the write handle.
1089 * @param wh write handle
1090 * @param fi file with reader
1091 * @return GNUNET_OK on success
1094 copy_from_reader (struct GNUNET_BIO_WriteHandle *wh,
1095 struct GNUNET_FS_FileInformation * fi)
1097 char buf[32 * 1024];
1104 while (off < fi->data.file.file_size)
1106 ret = fi->data.file.reader (fi->data.file.reader_cls,
1113 return GNUNET_SYSERR;
1116 GNUNET_BIO_write (wh, buf, ret))
1117 return GNUNET_SYSERR;
1125 * Create a temporary file on disk to store the current
1128 * @param fi file information to sync with disk
1131 GNUNET_FS_file_information_sync_ (struct GNUNET_FS_FileInformation * fi)
1134 struct GNUNET_BIO_WriteHandle *wh;
1139 if (NULL == fi->serialization)
1140 fi->serialization = make_serialization_file_name (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO);
1141 if (NULL == fi->serialization)
1143 wh = get_write_handle (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO, fi->serialization);
1146 GNUNET_free (fi->serialization);
1147 fi->serialization = NULL;
1150 if (GNUNET_YES == fi->is_directory)
1152 else if (GNUNET_YES == fi->data.file.index_start_confirmed)
1154 else if (GNUNET_YES == fi->data.file.have_hash)
1156 else if (GNUNET_YES == fi->data.file.do_index)
1160 if (fi->keywords != NULL)
1161 ksks = GNUNET_FS_uri_to_string (fi->keywords);
1164 if (fi->chk_uri != NULL)
1165 chks = GNUNET_FS_uri_to_string (fi->chk_uri);
1169 GNUNET_BIO_write (wh, &b, sizeof (b))) ||
1171 GNUNET_BIO_write_meta_data (wh, fi->meta)) ||
1173 GNUNET_BIO_write_string (wh, ksks)) ||
1175 GNUNET_BIO_write_string (wh, chks)) ||
1177 GNUNET_BIO_write_int64 (wh, fi->expirationTime.value)) ||
1179 write_start_time (wh, fi->start_time)) ||
1181 GNUNET_BIO_write_string (wh, fi->emsg)) ||
1183 GNUNET_BIO_write_string (wh, fi->filename)) ||
1185 GNUNET_BIO_write_int32 (wh, fi->anonymity)) ||
1187 GNUNET_BIO_write_int32 (wh, fi->priority)) )
1192 GNUNET_free_non_null (chks);
1194 GNUNET_free_non_null (ksks);
1199 case 0: /* file-insert */
1201 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size))
1206 if ( (GNUNET_NO == fi->is_published) &&
1207 (NULL == fi->filename) )
1209 copy_from_reader (wh, fi))
1215 case 1: /* file-index, no hash */
1216 if (NULL == fi->filename)
1222 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size))
1228 case 2: /* file-index-with-hash */
1229 case 3: /* file-index-with-hash-confirmed */
1230 if (NULL == fi->filename)
1236 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size)) ||
1238 GNUNET_BIO_write (wh, &fi->data.file.file_id, sizeof (GNUNET_HashCode))) )
1244 case 4: /* directory */
1246 GNUNET_BIO_write_int32 (wh, fi->data.dir.dir_size)) ||
1248 GNUNET_BIO_write (wh, fi->data.dir.dir_data, (uint32_t) fi->data.dir.dir_size)) ||
1250 GNUNET_BIO_write_string (wh,
1251 (fi->data.dir.entries == NULL)
1253 : fi->data.dir.entries->serialization)) )
1264 GNUNET_BIO_write_string (wh, (fi->next != NULL) ? fi->next->serialization : NULL))
1270 GNUNET_BIO_write_close (wh))
1277 (void) GNUNET_BIO_write_close (wh);
1278 GNUNET_free_non_null (chks);
1279 GNUNET_free_non_null (ksks);
1280 fn = get_serialization_file_name (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO, fi->serialization);
1281 if (0 != UNLINK (fn))
1282 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", fn);
1284 GNUNET_free (fi->serialization);
1285 fi->serialization = NULL;
1291 * Find the entry in the file information struct where the
1292 * serialization filename matches the given name.
1294 * @param pos file information to search
1295 * @param srch filename to search for
1296 * @return NULL if srch was not found in this subtree
1298 static struct GNUNET_FS_FileInformation *
1299 find_file_position (struct GNUNET_FS_FileInformation *pos,
1302 struct GNUNET_FS_FileInformation *r;
1306 if (0 == strcmp (srch,
1307 pos->serialization))
1309 if (pos->is_directory)
1311 r = find_file_position (pos->data.dir.entries,
1323 * Signal the FS's progress function that we are resuming
1326 * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
1327 * @param fi the entry in the publish-structure
1328 * @param length length of the file or directory
1329 * @param meta metadata for the file or directory (can be modified)
1330 * @param uri pointer to the keywords that will be used for this entry (can be modified)
1331 * @param anonymity pointer to selected anonymity level (can be modified)
1332 * @param priority pointer to selected priority (can be modified)
1333 * @param expirationTime pointer to selected expiration time (can be modified)
1334 * @param client_info pointer to client context set upon creation (can be modified)
1335 * @return GNUNET_OK to continue (always)
1338 fip_signal_resume(void *cls,
1339 struct GNUNET_FS_FileInformation *fi,
1341 struct GNUNET_CONTAINER_MetaData *meta,
1342 struct GNUNET_FS_Uri **uri,
1343 uint32_t *anonymity,
1345 struct GNUNET_TIME_Absolute *expirationTime,
1348 struct GNUNET_FS_PublishContext *sc = cls;
1349 struct GNUNET_FS_ProgressInfo pi;
1351 pi.status = GNUNET_FS_STATUS_PUBLISH_RESUME;
1352 pi.value.publish.specifics.resume.message = sc->fi->emsg;
1353 pi.value.publish.specifics.resume.chk_uri = sc->fi->chk_uri;
1354 *client_info = GNUNET_FS_publish_make_status_ (&pi, sc, fi, 0);
1360 * Function called with a filename of serialized publishing operation
1363 * @param cls the 'struct GNUNET_FS_Handle*'
1364 * @param filename complete filename (absolute path)
1365 * @return GNUNET_OK (continue to iterate)
1368 deserialize_publish_file (void *cls,
1369 const char *filename)
1371 struct GNUNET_FS_Handle *h = cls;
1372 struct GNUNET_BIO_ReadHandle *rh;
1373 struct GNUNET_FS_PublishContext *pc;
1381 pc = GNUNET_malloc (sizeof (struct GNUNET_FS_PublishContext));
1383 pc->serialization = get_serialization_short_name (filename);
1387 rh = GNUNET_BIO_read_open (filename);
1394 GNUNET_BIO_read_string (rh, "publish-nid", &pc->nid, 1024)) ||
1396 GNUNET_BIO_read_string (rh, "publish-nuid", &pc->nuid, 1024)) ||
1398 GNUNET_BIO_read_int32 (rh, &options)) ||
1400 GNUNET_BIO_read_int32 (rh, &all_done)) ||
1402 GNUNET_BIO_read_string (rh, "publish-firoot", &fi_root, 128)) ||
1404 GNUNET_BIO_read_string (rh, "publish-fipos", &fi_pos, 128)) ||
1406 GNUNET_BIO_read_string (rh, "publish-ns", &ns, 1024)) )
1411 pc->options = options;
1412 pc->all_done = all_done;
1413 pc->fi = deserialize_file_information (h, fi_root);
1421 pc->namespace = GNUNET_FS_namespace_create (h, ns);
1422 if (pc->namespace == NULL)
1424 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1425 _("Failed to recover namespace `%s', cannot resume publishing operation.\n"),
1430 if ( (0 == (pc->options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY)) &&
1431 (GNUNET_YES != pc->all_done) )
1433 pc->dsh = GNUNET_DATASTORE_connect (h->cfg,
1435 if (NULL == pc->dsh)
1440 pc->fi_pos = find_file_position (pc->fi,
1442 GNUNET_free (fi_pos);
1444 if (pc->fi_pos == NULL)
1446 /* failed to find position for resuming, outch! Will start from root! */
1448 if (pc->all_done != GNUNET_YES)
1449 pc->fi_pos = pc->fi;
1452 /* generate RESUME event(s) */
1453 GNUNET_FS_file_information_inspect (pc->fi,
1457 /* re-start publishing (if needed)... */
1458 if (pc->all_done != GNUNET_YES)
1460 = GNUNET_SCHEDULER_add_with_priority (h->sched,
1461 GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
1462 &GNUNET_FS_publish_main_,
1465 GNUNET_BIO_read_close (rh, &emsg))
1467 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1468 _("Failure while resuming publishing operation `%s': %s\n"),
1473 GNUNET_free_non_null (ns);
1474 pc->top = GNUNET_FS_make_top (h, &GNUNET_FS_publish_signal_suspend_, pc);
1477 GNUNET_free_non_null (pc->nid);
1478 GNUNET_free_non_null (pc->nuid);
1479 GNUNET_free_non_null (fi_root);
1480 GNUNET_free_non_null (fi_pos);
1481 GNUNET_free_non_null (ns);
1482 if ( (rh != NULL) &&
1484 GNUNET_BIO_read_close (rh, &emsg)) )
1486 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1487 _("Failed to resume publishing operation `%s': %s\n"),
1493 GNUNET_FS_file_information_destroy (pc->fi, NULL, NULL);
1494 if (0 != UNLINK (filename))
1495 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", filename);
1496 GNUNET_free (pc->serialization);
1503 * Synchronize this publishing struct with its mirror
1504 * on disk. Note that all internal FS-operations that change
1505 * publishing structs should already call "sync" internally,
1506 * so this function is likely not useful for clients.
1508 * @param pc the struct to sync
1511 GNUNET_FS_publish_sync_ (struct GNUNET_FS_PublishContext *pc)
1513 struct GNUNET_BIO_WriteHandle *wh;
1515 if (NULL == pc->serialization)
1516 pc->serialization = make_serialization_file_name (pc->h,
1517 GNUNET_FS_SYNC_PATH_MASTER_PUBLISH);
1518 if (NULL == pc->serialization)
1522 if (NULL == pc->fi->serialization)
1527 wh = get_write_handle (pc->h, GNUNET_FS_SYNC_PATH_MASTER_PUBLISH, pc->serialization);
1534 GNUNET_BIO_write_string (wh, pc->nid)) ||
1536 GNUNET_BIO_write_string (wh, pc->nuid)) ||
1538 GNUNET_BIO_write_int32 (wh, pc->options)) ||
1540 GNUNET_BIO_write_int32 (wh, pc->all_done)) ||
1542 GNUNET_BIO_write_string (wh, pc->fi->serialization)) ||
1544 GNUNET_BIO_write_string (wh, (pc->fi_pos == NULL) ? NULL : pc->fi_pos->serialization)) ||
1546 GNUNET_BIO_write_string (wh, (pc->namespace == NULL) ? NULL : pc->namespace->name)) )
1552 GNUNET_BIO_write_close (wh))
1561 (void) GNUNET_BIO_write_close (wh);
1562 GNUNET_FS_remove_sync_file_ (pc->h, GNUNET_FS_SYNC_PATH_MASTER_PUBLISH, pc->serialization);
1563 GNUNET_free (pc->serialization);
1564 pc->serialization = NULL;
1569 * Synchronize this unindex struct with its mirror
1570 * on disk. Note that all internal FS-operations that change
1571 * publishing structs should already call "sync" internally,
1572 * so this function is likely not useful for clients.
1574 * @param uc the struct to sync
1577 GNUNET_FS_unindex_sync_ (struct GNUNET_FS_UnindexContext *uc)
1579 struct GNUNET_BIO_WriteHandle *wh;
1581 if (NULL == uc->serialization)
1582 uc->serialization = make_serialization_file_name (uc->h,
1583 GNUNET_FS_SYNC_PATH_MASTER_UNINDEX);
1584 if (NULL == uc->serialization)
1586 wh = get_write_handle (uc->h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
1593 GNUNET_BIO_write_string (wh, uc->filename)) ||
1595 GNUNET_BIO_write_int64 (wh, uc->file_size)) ||
1597 write_start_time (wh, uc->start_time)) ||
1599 GNUNET_BIO_write_int32 (wh, (uint32_t) uc->state)) ||
1600 ( (uc->state == UNINDEX_STATE_FS_NOTIFY) &&
1602 GNUNET_BIO_write (wh, &uc->file_id, sizeof (GNUNET_HashCode))) ) ||
1603 ( (uc->state == UNINDEX_STATE_ERROR) &&
1605 GNUNET_BIO_write_string (wh, uc->emsg)) ) )
1611 GNUNET_BIO_write_close (wh))
1620 (void) GNUNET_BIO_write_close (wh);
1621 GNUNET_FS_remove_sync_file_ (uc->h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
1622 GNUNET_free (uc->serialization);
1623 uc->serialization = NULL;
1628 * Serialize an active or pending download request.
1630 * @param cls the 'struct GNUNET_BIO_WriteHandle*'
1631 * @param key unused, can be NULL
1632 * @param value the 'struct DownloadRequest'
1633 * @return GNUNET_YES on success, GNUNET_NO on error
1636 write_download_request (void *cls,
1637 const GNUNET_HashCode *key,
1640 struct GNUNET_BIO_WriteHandle *wh = cls;
1641 struct DownloadRequest *dr = value;
1644 GNUNET_BIO_write (wh, &dr->chk, sizeof (struct ContentHashKey))) ||
1646 GNUNET_BIO_write_int64 (wh, dr->offset)) ||
1648 GNUNET_BIO_write_int32 (wh, dr->depth)) )
1655 * Count active download requests.
1657 * @param cls the 'uint32_t*' counter
1658 * @param key unused, can be NULL
1659 * @param value the 'struct DownloadRequest'
1660 * @return GNUNET_YES (continue iteration)
1663 count_download_requests (void *cls,
1664 const GNUNET_HashCode *key,
1667 uint32_t *counter = cls;
1675 * Compute the name of the sync file (or directory) for the given download
1678 * @param dc download context to compute for
1679 * @param uni unique filename to use, use "" for the directory name
1680 * @param ext extension to use, use ".dir" for our own subdirectory
1681 * @return the expanded file name, NULL for none
1684 get_download_sync_filename (struct GNUNET_FS_DownloadContext *dc,
1691 if (dc->parent == NULL)
1692 return get_serialization_file_name (dc->h,
1693 (dc->search != NULL) ?
1694 GNUNET_FS_SYNC_PATH_CHILD_DOWNLOAD :
1695 GNUNET_FS_SYNC_PATH_MASTER_DOWNLOAD,
1697 if (dc->parent->serialization == NULL)
1699 par = get_download_sync_filename (dc->parent, dc->parent->serialization, "");
1702 GNUNET_asprintf (&epar,
1714 * Synchronize this download struct with its mirror
1715 * on disk. Note that all internal FS-operations that change
1716 * publishing structs should already call "sync" internally,
1717 * so this function is likely not useful for clients.
1719 * @param dc the struct to sync
1722 GNUNET_FS_download_sync_ (struct GNUNET_FS_DownloadContext *dc)
1724 struct GNUNET_BIO_WriteHandle *wh;
1728 uint32_t num_pending;
1730 if (NULL == dc->serialization)
1732 dir = get_download_sync_filename (dc, "", "");
1736 GNUNET_DISK_directory_create_for_file (dir))
1741 fn = GNUNET_DISK_mktemp (dir);
1743 dc->serialization = get_serialization_short_name (fn);
1747 fn = get_download_sync_filename (dc, dc->serialization, "");
1749 wh = GNUNET_BIO_write_open (fn);
1752 GNUNET_free (dc->serialization);
1753 dc->serialization = NULL;
1757 GNUNET_assert ( (GNUNET_YES == GNUNET_FS_uri_test_chk (dc->uri)) ||
1758 (GNUNET_YES == GNUNET_FS_uri_test_loc (dc->uri)) );
1759 uris = GNUNET_FS_uri_to_string (dc->uri);
1761 if (dc->emsg == NULL)
1762 (void) GNUNET_CONTAINER_multihashmap_iterate (dc->active,
1763 &count_download_requests,
1765 GNUNET_assert ( (dc->length == dc->completed) ||
1766 (dc->emsg != NULL) ||
1767 (num_pending > 0) );
1769 GNUNET_BIO_write_string (wh, uris)) ||
1771 GNUNET_BIO_write_meta_data (wh, dc->meta)) ||
1773 GNUNET_BIO_write_string (wh, dc->emsg)) ||
1775 GNUNET_BIO_write_string (wh, dc->filename)) ||
1777 GNUNET_BIO_write_string (wh, dc->temp_filename)) ||
1779 GNUNET_BIO_write_int64 (wh, dc->old_file_size)) ||
1781 GNUNET_BIO_write_int64 (wh, dc->offset)) ||
1783 GNUNET_BIO_write_int64 (wh, dc->length)) ||
1785 GNUNET_BIO_write_int64 (wh, dc->completed)) ||
1787 write_start_time (wh, dc->start_time)) ||
1789 GNUNET_BIO_write_int32 (wh, dc->anonymity)) ||
1791 GNUNET_BIO_write_int32 (wh, (uint32_t) dc->options)) ||
1793 GNUNET_BIO_write_int32 (wh, (uint32_t) dc->has_finished)) ||
1795 GNUNET_BIO_write_int32 (wh, num_pending)) )
1800 if (GNUNET_SYSERR ==
1801 GNUNET_CONTAINER_multihashmap_iterate (dc->active,
1802 &write_download_request,
1808 GNUNET_free_non_null (uris);
1810 GNUNET_BIO_write_close (wh))
1820 (void) GNUNET_BIO_write_close (wh);
1821 GNUNET_free_non_null (uris);
1822 if (0 != UNLINK (fn))
1823 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", fn);
1825 GNUNET_free (dc->serialization);
1826 dc->serialization = NULL;
1831 * Synchronize this search result with its mirror
1832 * on disk. Note that all internal FS-operations that change
1833 * publishing structs should already call "sync" internally,
1834 * so this function is likely not useful for clients.
1836 * @param sr the struct to sync
1839 GNUNET_FS_search_result_sync_ (struct GNUNET_FS_SearchResult *sr)
1841 struct GNUNET_BIO_WriteHandle *wh;
1845 if (NULL == sr->serialization)
1846 sr->serialization = make_serialization_file_name_in_dir (sr->sc->h,
1847 (sr->sc->psearch_result == NULL)
1848 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1849 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1850 sr->sc->serialization);
1851 if (NULL == sr->serialization)
1853 wh = get_write_handle_in_dir (sr->sc->h,
1854 (sr->sc->psearch_result == NULL)
1855 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1856 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1857 sr->sc->serialization,
1864 uris = GNUNET_FS_uri_to_string (sr->uri);
1866 GNUNET_BIO_write_string (wh, uris)) ||
1868 GNUNET_BIO_write_string (wh, sr->download != NULL ? sr->download->serialization : NULL)) ||
1870 GNUNET_BIO_write_string (wh, sr->update_search != NULL ? sr->update_search->serialization : NULL)) ||
1872 GNUNET_BIO_write_meta_data (wh, sr->meta)) ||
1874 GNUNET_BIO_write (wh, &sr->key, sizeof (GNUNET_HashCode))) ||
1876 GNUNET_BIO_write_int32 (wh, sr->mandatory_missing)) ||
1878 GNUNET_BIO_write_int32 (wh, sr->optional_support)) ||
1880 GNUNET_BIO_write_int32 (wh, sr->availability_success)) ||
1882 GNUNET_BIO_write_int32 (wh, sr->availability_trials)) )
1888 GNUNET_BIO_write_close (wh))
1894 GNUNET_free_non_null (uris);
1897 GNUNET_free_non_null (uris);
1899 (void) GNUNET_BIO_write_close (wh);
1900 remove_sync_file_in_dir (sr->sc->h,
1901 (sr->sc->psearch_result == NULL)
1902 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1903 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1904 sr->sc->serialization,
1906 GNUNET_free (sr->serialization);
1907 sr->serialization = NULL;
1912 * Synchronize this search struct with its mirror
1913 * on disk. Note that all internal FS-operations that change
1914 * publishing structs should already call "sync" internally,
1915 * so this function is likely not useful for clients.
1917 * @param sc the struct to sync
1920 GNUNET_FS_search_sync_ (struct GNUNET_FS_SearchContext *sc)
1922 struct GNUNET_BIO_WriteHandle *wh;
1925 const char *category;
1927 category = (sc->psearch_result == NULL)
1928 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1929 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH;
1930 if (NULL == sc->serialization)
1931 sc->serialization = make_serialization_file_name (sc->h,
1933 if (NULL == sc->serialization)
1936 wh = get_write_handle (sc->h, category, sc->serialization);
1942 GNUNET_assert ( (GNUNET_YES == GNUNET_FS_uri_test_ksk (sc->uri)) ||
1943 (GNUNET_YES == GNUNET_FS_uri_test_sks (sc->uri)) );
1944 uris = GNUNET_FS_uri_to_string (sc->uri);
1945 in_pause = (sc->task != GNUNET_SCHEDULER_NO_TASK) ? 'r' : '\0';
1947 GNUNET_BIO_write_string (wh, uris)) ||
1949 write_start_time (wh, sc->start_time)) ||
1951 GNUNET_BIO_write_string (wh, sc->emsg)) ||
1953 GNUNET_BIO_write_int32 (wh, (uint32_t) sc->options)) ||
1955 GNUNET_BIO_write (wh, &in_pause, sizeof (in_pause))) ||
1957 GNUNET_BIO_write_int32 (wh, sc->anonymity)) )
1965 GNUNET_BIO_write_close (wh))
1974 (void) GNUNET_BIO_write_close (wh);
1975 GNUNET_free_non_null (uris);
1976 GNUNET_FS_remove_sync_file_ (sc->h, category, sc->serialization);
1977 GNUNET_free (sc->serialization);
1978 sc->serialization = NULL;
1983 * Function called with a filename of serialized unindexing operation
1986 * @param cls the 'struct GNUNET_FS_Handle*'
1987 * @param filename complete filename (absolute path)
1988 * @return GNUNET_OK (continue to iterate)
1991 deserialize_unindex_file (void *cls,
1992 const char *filename)
1994 struct GNUNET_FS_Handle *h = cls;
1995 struct GNUNET_BIO_ReadHandle *rh;
1996 struct GNUNET_FS_UnindexContext *uc;
1997 struct GNUNET_FS_ProgressInfo pi;
2001 uc = GNUNET_malloc (sizeof (struct GNUNET_FS_UnindexContext));
2003 uc->serialization = get_serialization_short_name (filename);
2004 rh = GNUNET_BIO_read_open (filename);
2011 GNUNET_BIO_read_string (rh, "unindex-fn", &uc->filename, 10*1024)) ||
2013 GNUNET_BIO_read_int64 (rh, &uc->file_size)) ||
2015 read_start_time (rh, &uc->start_time)) ||
2017 GNUNET_BIO_read_int32 (rh, &state)) )
2022 uc->state = (enum UnindexState) state;
2025 case UNINDEX_STATE_HASHING:
2027 case UNINDEX_STATE_FS_NOTIFY:
2029 GNUNET_BIO_read (rh, "unindex-hash", &uc->file_id, sizeof (GNUNET_HashCode)))
2035 case UNINDEX_STATE_DS_REMOVE:
2037 case UNINDEX_STATE_COMPLETE:
2039 case UNINDEX_STATE_ERROR:
2041 GNUNET_BIO_read_string (rh, "unindex-emsg", &uc->emsg, 10*1024))
2051 uc->top = GNUNET_FS_make_top (h,
2052 &GNUNET_FS_unindex_signal_suspend_,
2054 pi.status = GNUNET_FS_STATUS_UNINDEX_RESUME;
2055 pi.value.unindex.specifics.resume.message = uc->emsg;
2056 GNUNET_FS_unindex_make_status_ (&pi,
2058 (uc->state == UNINDEX_STATE_COMPLETE)
2063 case UNINDEX_STATE_HASHING:
2064 uc->fhc = GNUNET_CRYPTO_hash_file (uc->h->sched,
2065 GNUNET_SCHEDULER_PRIORITY_IDLE,
2068 &GNUNET_FS_unindex_process_hash_,
2071 case UNINDEX_STATE_FS_NOTIFY:
2072 uc->state = UNINDEX_STATE_HASHING;
2073 GNUNET_FS_unindex_process_hash_ (uc,
2076 case UNINDEX_STATE_DS_REMOVE:
2077 GNUNET_FS_unindex_do_remove_ (uc);
2079 case UNINDEX_STATE_COMPLETE:
2080 case UNINDEX_STATE_ERROR:
2081 /* no need to resume any operation, we were done */
2087 GNUNET_BIO_read_close (rh, &emsg))
2089 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2090 _("Failure while resuming unindexing operation `%s': %s\n"),
2097 GNUNET_free_non_null (uc->filename);
2098 if ( (rh != NULL) &&
2100 GNUNET_BIO_read_close (rh, &emsg)) )
2102 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2103 _("Failed to resume unindexing operation `%s': %s\n"),
2108 if (uc->serialization != NULL)
2109 GNUNET_FS_remove_sync_file_ (h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
2110 GNUNET_free_non_null (uc->serialization);
2117 * Deserialize a download.
2119 * @param h overall context
2120 * @param rh file to deserialize from
2121 * @param parent parent download
2122 * @param search associated search
2123 * @param serialization name under which the search was serialized
2126 deserialize_download (struct GNUNET_FS_Handle *h,
2127 struct GNUNET_BIO_ReadHandle *rh,
2128 struct GNUNET_FS_DownloadContext *parent,
2129 struct GNUNET_FS_SearchResult *search,
2130 const char *serialization);
2134 * Deserialize a search.
2136 * @param h overall context
2137 * @param rh file to deserialize from
2138 * @param psearch_result parent search result
2139 * @param serialization name under which the search was serialized
2141 static struct GNUNET_FS_SearchContext *
2142 deserialize_search (struct GNUNET_FS_Handle *h,
2143 struct GNUNET_BIO_ReadHandle *rh,
2144 struct GNUNET_FS_SearchResult *psearch_result,
2145 const char *serialization);
2149 * Function called with a filename of serialized search result
2152 * @param cls the 'struct GNUNET_FS_SearchContext*'
2153 * @param filename complete filename (absolute path)
2154 * @return GNUNET_OK (continue to iterate)
2157 deserialize_search_result (void *cls,
2158 const char *filename)
2160 struct GNUNET_FS_SearchContext *sc = cls;
2166 struct GNUNET_BIO_ReadHandle *rh;
2167 struct GNUNET_BIO_ReadHandle *drh;
2168 struct GNUNET_FS_SearchResult *sr;
2170 ser = get_serialization_short_name (filename);
2171 rh = GNUNET_BIO_read_open (filename);
2176 remove_sync_file_in_dir (sc->h,
2177 (sc->psearch_result == NULL)
2178 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2179 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2189 sr = GNUNET_malloc (sizeof (struct GNUNET_FS_SearchResult));
2190 sr->serialization = ser;
2192 GNUNET_BIO_read_string (rh, "result-uri", &uris, 10*1024)) ||
2193 (NULL == (sr->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2195 GNUNET_BIO_read_string (rh, "download-lnk", &download, 16)) ||
2197 GNUNET_BIO_read_string (rh, "search-lnk", &update_srch, 16)) ||
2199 GNUNET_BIO_read_meta_data (rh, "result-meta", &sr->meta)) ||
2201 GNUNET_BIO_read (rh, "result-key", &sr->key, sizeof (GNUNET_HashCode))) ||
2203 GNUNET_BIO_read_int32 (rh, &sr->mandatory_missing)) ||
2205 GNUNET_BIO_read_int32 (rh, &sr->optional_support)) ||
2207 GNUNET_BIO_read_int32 (rh, &sr->availability_success)) ||
2209 GNUNET_BIO_read_int32 (rh, &sr->availability_trials)) )
2215 if (download != NULL)
2217 drh = get_read_handle (sc->h,
2218 GNUNET_FS_SYNC_PATH_CHILD_DOWNLOAD,
2220 deserialize_download (sc->h,
2226 GNUNET_BIO_read_close (drh, &emsg))
2228 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2229 _("Failed to resume sub-download `%s': %s\n"),
2234 GNUNET_free (download);
2236 if (update_srch != NULL)
2238 drh = get_read_handle (sc->h,
2239 GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2241 deserialize_search (sc->h,
2246 GNUNET_BIO_read_close (drh, &emsg))
2248 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2249 _("Failed to resume sub-search `%s': %s\n"),
2254 GNUNET_free (update_srch);
2256 GNUNET_CONTAINER_multihashmap_put (sc->master_result_map,
2259 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2262 GNUNET_free_non_null (download);
2263 GNUNET_free_non_null (emsg);
2264 GNUNET_free_non_null (uris);
2265 if (sr->uri != NULL)
2266 GNUNET_FS_uri_destroy (sr->uri);
2267 if (sr->meta != NULL)
2268 GNUNET_CONTAINER_meta_data_destroy (sr->meta);
2269 GNUNET_free (sr->serialization);
2276 * Send the 'resume' signal to the callback; also actually
2277 * resume the download (put it in the queue). Does this
2278 * recursively for the top-level download and all child
2281 * @param dc download to resume
2284 signal_download_resume (struct GNUNET_FS_DownloadContext *dc)
2286 struct GNUNET_FS_DownloadContext *dcc;
2287 struct GNUNET_FS_ProgressInfo pi;
2289 pi.status = GNUNET_FS_STATUS_DOWNLOAD_RESUME;
2290 pi.value.download.specifics.resume.meta = dc->meta;
2291 pi.value.download.specifics.resume.message = dc->emsg;
2292 GNUNET_FS_download_make_status_ (&pi,
2294 dcc = dc->child_head;
2297 signal_download_resume (dcc);
2300 if (dc->pending != NULL)
2301 GNUNET_FS_download_start_downloading_ (dc);
2306 * Signal resuming of a search to our clients (for the
2307 * top level search and all sub-searches).
2309 * @param sc search being resumed
2312 signal_search_resume (struct GNUNET_FS_SearchContext *sc);
2316 * Iterator over search results signaling resume to the client for
2319 * @param cls closure, the 'struct GNUNET_FS_SearchContext'
2320 * @param key current key code
2321 * @param value value in the hash map, the 'struct GNUNET_FS_SearchResult'
2322 * @return GNUNET_YES (we should continue to iterate)
2325 signal_result_resume (void *cls,
2326 const GNUNET_HashCode * key,
2329 struct GNUNET_FS_SearchContext *sc = cls;
2330 struct GNUNET_FS_ProgressInfo pi;
2331 struct GNUNET_FS_SearchResult *sr = value;
2333 if (0 == sr->mandatory_missing)
2335 pi.status = GNUNET_FS_STATUS_SEARCH_RESUME_RESULT;
2336 pi.value.search.specifics.resume_result.meta = sr->meta;
2337 pi.value.search.specifics.resume_result.uri = sr->uri;
2338 pi.value.search.specifics.resume_result.result = sr;
2339 pi.value.search.specifics.resume_result.availability_rank = 2*sr->availability_success - sr->availability_trials;
2340 pi.value.search.specifics.resume_result.availability_certainty = sr->availability_trials;
2341 pi.value.search.specifics.resume_result.applicability_rank = sr->optional_support;
2342 sr->client_info = GNUNET_FS_search_make_status_ (&pi,
2345 if (sr->download != NULL)
2347 signal_download_resume (sr->download);
2351 GNUNET_FS_search_start_probe_ (sr);
2353 if (sr->update_search != NULL)
2354 signal_search_resume (sr->update_search);
2360 * Free memory allocated by the search context and its children
2362 * @param sc search context to free
2365 free_search_context (struct GNUNET_FS_SearchContext *sc);
2369 * Iterator over search results freeing each.
2371 * @param cls closure, the 'struct GNUNET_FS_SearchContext'
2372 * @param key current key code
2373 * @param value value in the hash map, the 'struct GNUNET_FS_SearchResult'
2374 * @return GNUNET_YES (we should continue to iterate)
2377 free_result (void *cls,
2378 const GNUNET_HashCode * key,
2381 struct GNUNET_FS_SearchResult *sr = value;
2383 if (sr->update_search != NULL)
2385 free_search_context (sr->update_search);
2386 GNUNET_assert (NULL == sr->update_search);
2388 GNUNET_CONTAINER_meta_data_destroy (sr->meta);
2389 GNUNET_FS_uri_destroy (sr->uri);
2396 * Free memory allocated by the search context and its children
2398 * @param sc search context to free
2401 free_search_context (struct GNUNET_FS_SearchContext *sc)
2403 if (sc->serialization != NULL)
2405 GNUNET_FS_remove_sync_file_ (sc->h,
2406 (sc->psearch_result == NULL)
2407 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2408 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2410 GNUNET_FS_remove_sync_dir_ (sc->h,
2411 (sc->psearch_result == NULL)
2412 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2413 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2416 GNUNET_free_non_null (sc->serialization);
2417 GNUNET_free_non_null (sc->emsg);
2418 if (sc->uri != NULL)
2419 GNUNET_FS_uri_destroy (sc->uri);
2420 if (sc->master_result_map != NULL)
2422 GNUNET_CONTAINER_multihashmap_iterate (sc->master_result_map,
2425 GNUNET_CONTAINER_multihashmap_destroy (sc->master_result_map);
2432 * Function called with a filename of serialized sub-download
2435 * @param cls the 'struct GNUNET_FS_DownloadContext*' (parent)
2436 * @param filename complete filename (absolute path)
2437 * @return GNUNET_OK (continue to iterate)
2440 deserialize_subdownload (void *cls,
2441 const char *filename)
2443 struct GNUNET_FS_DownloadContext *parent = cls;
2446 struct GNUNET_BIO_ReadHandle *rh;
2448 ser = get_serialization_short_name (filename);
2449 rh = GNUNET_BIO_read_open (filename);
2452 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2453 _("Failed to resume sub-download `%s': could not open file `%s'\n"),
2459 deserialize_download (parent->h,
2465 GNUNET_BIO_read_close (rh, &emsg))
2467 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2468 _("Failed to resume sub-download `%s': %s\n"),
2479 * Free this download context and all of its descendants.
2480 * (only works during deserialization since not all possible
2481 * state it taken care of).
2483 * @param dc context to free
2486 free_download_context (struct GNUNET_FS_DownloadContext *dc)
2488 struct GNUNET_FS_DownloadContext *dcc;
2489 struct DownloadRequest *dr;
2490 if (dc->meta != NULL)
2491 GNUNET_CONTAINER_meta_data_destroy (dc->meta);
2492 if (dc->uri != NULL)
2493 GNUNET_FS_uri_destroy (dc->uri);
2494 GNUNET_free_non_null (dc->temp_filename);
2495 GNUNET_free_non_null (dc->emsg);
2496 GNUNET_free_non_null (dc->filename);
2497 while (NULL != (dcc = dc->child_head))
2499 GNUNET_CONTAINER_DLL_remove (dc->child_head,
2502 free_download_context (dcc);
2504 while (NULL != (dr = dc->pending))
2506 dc->pending = dr->next;
2514 * Deserialize a download.
2516 * @param h overall context
2517 * @param rh file to deserialize from
2518 * @param parent parent download
2519 * @param search associated search
2520 * @param serialization name under which the search was serialized
2523 deserialize_download (struct GNUNET_FS_Handle *h,
2524 struct GNUNET_BIO_ReadHandle *rh,
2525 struct GNUNET_FS_DownloadContext *parent,
2526 struct GNUNET_FS_SearchResult *search,
2527 const char *serialization)
2529 struct GNUNET_FS_DownloadContext *dc;
2530 struct DownloadRequest *dr;
2536 uint32_t num_pending;
2541 dc = GNUNET_malloc (sizeof (struct GNUNET_FS_DownloadContext));
2542 dc->parent = parent;
2544 dc->serialization = GNUNET_strdup (serialization);
2546 GNUNET_BIO_read_string (rh, "download-uri", &uris, 10*1024)) ||
2547 (NULL == (dc->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2548 ( (GNUNET_YES != GNUNET_FS_uri_test_chk (dc->uri)) &&
2549 (GNUNET_YES != GNUNET_FS_uri_test_loc (dc->uri)) ) ||
2551 GNUNET_BIO_read_meta_data (rh, "download-meta", &dc->meta)) ||
2553 GNUNET_BIO_read_string (rh, "download-emsg", &dc->emsg, 10*1024)) ||
2555 GNUNET_BIO_read_string (rh, "download-fn", &dc->filename, 10*1024)) ||
2557 GNUNET_BIO_read_string (rh, "download-tfn", &dc->temp_filename, 10*1024)) ||
2559 GNUNET_BIO_read_int64 (rh, &dc->old_file_size)) ||
2561 GNUNET_BIO_read_int64 (rh, &dc->offset)) ||
2563 GNUNET_BIO_read_int64 (rh, &dc->length)) ||
2565 GNUNET_BIO_read_int64 (rh, &dc->completed)) ||
2567 read_start_time (rh, &dc->start_time)) ||
2569 GNUNET_BIO_read_int32 (rh, &dc->anonymity)) ||
2571 GNUNET_BIO_read_int32 (rh, &options)) ||
2573 GNUNET_BIO_read_int32 (rh, &status)) ||
2575 GNUNET_BIO_read_int32 (rh, &num_pending)) )
2580 dc->options = (enum GNUNET_FS_DownloadOptions) options;
2581 dc->active = GNUNET_CONTAINER_multihashmap_create (16);
2582 dc->has_finished = (int) status;
2583 dc->treedepth = GNUNET_FS_compute_depth (GNUNET_FS_uri_chk_get_file_size (dc->uri));
2584 if (GNUNET_FS_uri_test_loc (dc->uri))
2585 GNUNET_assert (GNUNET_OK ==
2586 GNUNET_FS_uri_loc_get_peer_identity (dc->uri,
2588 if ( (dc->length > dc->completed) &&
2589 (num_pending == 0) )
2594 while (0 < num_pending--)
2596 dr = GNUNET_malloc (sizeof (struct DownloadRequest));
2598 GNUNET_BIO_read (rh, "chk", &dr->chk, sizeof (struct ContentHashKey))) ||
2600 GNUNET_BIO_read_int64 (rh, &dr->offset)) ||
2602 GNUNET_BIO_read_int32 (rh, &dr->depth)) )
2607 dr->is_pending = GNUNET_YES;
2608 dr->next = dc->pending;
2610 GNUNET_CONTAINER_multihashmap_put (dc->active,
2613 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2617 dn = get_download_sync_filename (dc, dc->serialization, ".dir");
2621 GNUNET_DISK_directory_test (dn))
2622 GNUNET_DISK_directory_scan (dn, &deserialize_subdownload, dc);
2627 abort (); // for debugging for now
2628 GNUNET_CONTAINER_DLL_insert (parent->child_head,
2634 dc->search = search;
2635 search->download = dc;
2637 if ( (parent == NULL) &&
2640 dc->top = GNUNET_FS_make_top (dc->h,
2641 &GNUNET_FS_download_signal_suspend_,
2643 signal_download_resume (dc);
2648 GNUNET_free_non_null (uris);
2649 GNUNET_free_non_null (dr);
2650 GNUNET_free_non_null (emsg);
2651 free_download_context (dc);
2656 * Signal resuming of a search to our clients (for the
2657 * top level search and all sub-searches).
2659 * @param sc search being resumed
2662 signal_search_resume (struct GNUNET_FS_SearchContext *sc)
2664 struct GNUNET_FS_ProgressInfo pi;
2666 pi.status = GNUNET_FS_STATUS_SEARCH_RESUME;
2667 pi.value.search.specifics.resume.message = sc->emsg;
2668 pi.value.search.specifics.resume.is_paused = (sc->client == NULL) ? GNUNET_YES : GNUNET_NO;
2669 sc->client_info = GNUNET_FS_search_make_status_ (&pi,
2671 GNUNET_CONTAINER_multihashmap_iterate (sc->master_result_map,
2672 &signal_result_resume,
2679 * Deserialize a search.
2681 * @param h overall context
2682 * @param rh file to deserialize from
2683 * @param psearch_result parent search result
2684 * @param serialization name under which the search was serialized
2686 static struct GNUNET_FS_SearchContext *
2687 deserialize_search (struct GNUNET_FS_Handle *h,
2688 struct GNUNET_BIO_ReadHandle *rh,
2689 struct GNUNET_FS_SearchResult *psearch_result,
2690 const char *serialization)
2692 struct GNUNET_FS_SearchContext *sc;
2699 if ( (psearch_result != NULL) &&
2700 (psearch_result->update_search != NULL) )
2707 sc = GNUNET_malloc (sizeof (struct GNUNET_FS_SearchContext));
2708 if (psearch_result != NULL)
2710 sc->psearch_result = psearch_result;
2711 psearch_result->update_search = sc;
2714 sc->serialization = GNUNET_strdup (serialization);
2716 GNUNET_BIO_read_string (rh, "search-uri", &uris, 10*1024)) ||
2717 (NULL == (sc->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2718 ( (GNUNET_YES != GNUNET_FS_uri_test_ksk (sc->uri)) &&
2719 (GNUNET_YES != GNUNET_FS_uri_test_sks (sc->uri)) ) ||
2721 read_start_time (rh, &sc->start_time)) ||
2723 GNUNET_BIO_read_string (rh, "search-emsg", &sc->emsg, 10*1024)) ||
2725 GNUNET_BIO_read_int32 (rh, &options)) ||
2727 GNUNET_BIO_read (rh, "search-pause", &in_pause, sizeof (in_pause))) ||
2729 GNUNET_BIO_read_int32 (rh, &sc->anonymity)) )
2734 sc->options = (enum GNUNET_FS_SearchOptions) options;
2735 sc->master_result_map = GNUNET_CONTAINER_multihashmap_create (16);
2736 dn = get_serialization_file_name_in_dir (h,
2737 (sc->psearch_result == NULL)
2738 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2739 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2745 GNUNET_DISK_directory_test (dn))
2746 GNUNET_DISK_directory_scan (dn, &deserialize_search_result, sc);
2749 if ( ('\0' == in_pause) &&
2751 GNUNET_FS_search_start_searching_ (sc)) )
2753 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2754 _("Could not resume running search, will resume as paused search\n"));
2756 signal_search_resume (sc);
2760 GNUNET_free_non_null (emsg);
2761 free_search_context (sc);
2762 GNUNET_free_non_null (uris);
2768 * Function called with a filename of serialized search operation
2771 * @param cls the 'struct GNUNET_FS_Handle*'
2772 * @param filename complete filename (absolute path)
2773 * @return GNUNET_OK (continue to iterate)
2776 deserialize_search_file (void *cls,
2777 const char *filename)
2779 struct GNUNET_FS_Handle *h = cls;
2782 struct GNUNET_BIO_ReadHandle *rh;
2783 struct GNUNET_FS_SearchContext *sc;
2785 ser = get_serialization_short_name (filename);
2786 rh = GNUNET_BIO_read_open (filename);
2791 GNUNET_FS_remove_sync_file_ (h, GNUNET_FS_SYNC_PATH_MASTER_SEARCH, ser);
2796 sc = deserialize_search (h, rh, NULL, ser);
2797 sc->top = GNUNET_FS_make_top (h, &GNUNET_FS_search_signal_suspend_, sc);
2800 GNUNET_BIO_read_close (rh, &emsg))
2802 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2803 _("Failure while resuming search operation `%s': %s\n"),
2813 * Function called with a filename of serialized download operation
2816 * @param cls the 'struct GNUNET_FS_Handle*'
2817 * @param filename complete filename (absolute path)
2818 * @return GNUNET_OK (continue to iterate)
2821 deserialize_download_file (void *cls,
2822 const char *filename)
2824 struct GNUNET_FS_Handle *h = cls;
2827 struct GNUNET_BIO_ReadHandle *rh;
2829 ser = get_serialization_short_name (filename);
2830 rh = GNUNET_BIO_read_open (filename);
2833 if (0 != UNLINK (filename))
2834 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);