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%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);
533 "Failed to create write handle for `%s' from `%s/%s'\n",
541 * Return a write handle for serialization.
543 * @param h master context
544 * @param ext component of the path
545 * @param uni name of parent
546 * @param ent entity identifier (or emtpy string for the directory)
547 * @return NULL on error
549 static struct GNUNET_BIO_WriteHandle *
550 get_write_handle_in_dir (struct GNUNET_FS_Handle *h,
556 struct GNUNET_BIO_WriteHandle *ret;
558 fn = get_serialization_file_name_in_dir (h, ext, uni, ent);
561 ret = GNUNET_BIO_write_open (fn);
568 * Remove serialization/deserialization file from disk.
570 * @param h master context
571 * @param ext component of the path
572 * @param ent entity identifier
575 GNUNET_FS_remove_sync_file_ (struct GNUNET_FS_Handle *h,
581 if ( (NULL == ent) ||
582 (0 == strlen (ent)) )
587 filename = get_serialization_file_name (h, ext, ent);
588 if (0 != UNLINK (filename))
589 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
592 GNUNET_free (filename);
597 * Remove serialization/deserialization file from disk.
599 * @param h master context
600 * @param ext component of the path
601 * @param uni parent name
602 * @param ent entity identifier
605 remove_sync_file_in_dir (struct GNUNET_FS_Handle *h,
612 if ( (NULL == ent) ||
613 (0 == strlen (ent)) )
618 filename = get_serialization_file_name_in_dir (h, ext, uni, ent);
619 if (0 != UNLINK (filename))
620 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
623 GNUNET_free (filename);
628 * Remove serialization/deserialization directory from disk.
630 * @param h master context
631 * @param ext component of the path
632 * @param uni unique name of parent
635 GNUNET_FS_remove_sync_dir_ (struct GNUNET_FS_Handle *h,
643 dn = get_serialization_file_name_in_dir (h, ext, uni, "");
646 if ( (GNUNET_OK == GNUNET_DISK_directory_test (dn)) &&
647 (GNUNET_OK != GNUNET_DISK_directory_remove (dn)) )
648 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
656 * Serialize a 'start_time'. Since we use start-times to
657 * calculate the duration of some operation, we actually
658 * do not serialize the absolute time but the (relative)
659 * duration since the start time. When we then
660 * deserialize the start time, we take the current time and
661 * subtract that duration so that we get again an absolute
662 * time stamp that will result in correct performance
665 * @param wh handle for writing
666 * @param timestamp time to serialize
667 * @return GNUNET_OK on success
670 write_start_time (struct GNUNET_BIO_WriteHandle *wh,
671 struct GNUNET_TIME_Absolute timestamp)
673 struct GNUNET_TIME_Relative dur;
675 dur = GNUNET_TIME_absolute_get_duration (timestamp);
676 return GNUNET_BIO_write_int64 (wh, dur.value);
681 * Serialize a 'start_time'. Since we use start-times to
682 * calculate the duration of some operation, we actually
683 * do not serialize the absolute time but the (relative)
684 * duration since the start time. When we then
685 * deserialize the start time, we take the current time and
686 * subtract that duration so that we get again an absolute
687 * time stamp that will result in correct performance
690 * @param rh handle for reading
691 * @param timestamp where to write the deserialized timestamp
692 * @return GNUNET_OK on success
695 read_start_time (struct GNUNET_BIO_ReadHandle *rh,
696 struct GNUNET_TIME_Absolute *timestamp)
698 struct GNUNET_TIME_Relative dur;
700 GNUNET_BIO_read_int64 (rh, &dur.value))
701 return GNUNET_SYSERR;
702 *timestamp = GNUNET_TIME_absolute_subtract (GNUNET_TIME_absolute_get (),
709 * Using the given serialization filename, try to deserialize
710 * the file-information tree associated with it.
712 * @param h master context
713 * @param filename name of the file (without directory) with
715 * @return NULL on error
717 static struct GNUNET_FS_FileInformation *
718 deserialize_file_information (struct GNUNET_FS_Handle *h,
719 const char *filename);
723 * Using the given serialization filename, try to deserialize
724 * the file-information tree associated with it.
726 * @param h master context
727 * @param fn name of the file (without directory) with
729 * @param rh handle for reading
730 * @return NULL on error
732 static struct GNUNET_FS_FileInformation *
733 deserialize_fi_node (struct GNUNET_FS_Handle *h,
735 struct GNUNET_BIO_ReadHandle *rh)
737 struct GNUNET_FS_FileInformation *ret;
738 struct GNUNET_FS_FileInformation *nxt;
746 GNUNET_BIO_read (rh, "status flag", &b, sizeof(b)))
751 ret = GNUNET_malloc (sizeof (struct GNUNET_FS_FileInformation));
757 GNUNET_BIO_read_meta_data (rh, "metadata", &ret->meta)) ||
759 GNUNET_BIO_read_string (rh, "ksk-uri", &ksks, 32*1024)) ||
762 (ret->keywords = GNUNET_FS_uri_parse (ksks, NULL))) ) ||
764 GNUNET_FS_uri_test_ksk (ret->keywords)) ||
766 GNUNET_BIO_read_string (rh, "chk-uri", &chks, 1024)) ||
769 (ret->chk_uri = GNUNET_FS_uri_parse (chks, NULL))) ||
771 GNUNET_FS_uri_test_chk (ret->chk_uri)) ) ) ||
773 GNUNET_BIO_read_int64 (rh, &ret->expirationTime.value)) ||
775 read_start_time (rh, &ret->start_time)) ||
777 GNUNET_BIO_read_string (rh, "emsg", &ret->emsg, 16*1024)) ||
779 GNUNET_BIO_read_string (rh, "fn", &ret->filename, 16*1024)) ||
781 GNUNET_BIO_read_int32 (rh, &ret->anonymity)) ||
783 GNUNET_BIO_read_int32 (rh, &ret->priority)) )
790 case 0: /* file-insert */
792 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size))
797 ret->is_directory = GNUNET_NO;
798 ret->data.file.do_index = GNUNET_NO;
799 ret->data.file.have_hash = GNUNET_NO;
800 ret->data.file.index_start_confirmed = GNUNET_NO;
801 if (GNUNET_NO == ret->is_published)
803 if (NULL == ret->filename)
805 ret->data.file.reader = &GNUNET_FS_data_reader_copy_;
806 ret->data.file.reader_cls = GNUNET_malloc_large (ret->data.file.file_size);
807 if (ret->data.file.reader_cls == NULL)
810 GNUNET_BIO_read (rh, "file-data", ret->data.file.reader_cls, ret->data.file.file_size))
818 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
819 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
823 case 1: /* file-index, no hash */
824 if (NULL == ret->filename)
830 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size))
835 ret->is_directory = GNUNET_NO;
836 ret->data.file.do_index = GNUNET_YES;
837 ret->data.file.have_hash = GNUNET_NO;
838 ret->data.file.index_start_confirmed = GNUNET_NO;
839 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
840 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
842 case 2: /* file-index-with-hash */
843 if (NULL == ret->filename)
849 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size)) ||
851 GNUNET_BIO_read (rh, "fileid", &ret->data.file.file_id, sizeof (GNUNET_HashCode))) )
856 ret->is_directory = GNUNET_NO;
857 ret->data.file.do_index = GNUNET_YES;
858 ret->data.file.have_hash = GNUNET_YES;
859 ret->data.file.index_start_confirmed = GNUNET_NO;
860 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
861 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
863 case 3: /* file-index-with-hash-confirmed */
864 if (NULL == ret->filename)
870 GNUNET_BIO_read_int64 (rh, &ret->data.file.file_size)) ||
872 GNUNET_BIO_read (rh, "fileid", &ret->data.file.file_id, sizeof (GNUNET_HashCode))) )
877 ret->is_directory = GNUNET_NO;
878 ret->data.file.do_index = GNUNET_YES;
879 ret->data.file.have_hash = GNUNET_YES;
880 ret->data.file.index_start_confirmed = GNUNET_YES;
881 ret->data.file.reader = &GNUNET_FS_data_reader_file_;
882 ret->data.file.reader_cls = GNUNET_FS_make_file_reader_context_ (ret->filename);
884 case 4: /* directory */
886 GNUNET_BIO_read_int32 (rh, &dsize)) ||
887 (NULL == (ret->data.dir.dir_data = GNUNET_malloc_large (dsize))) ||
889 GNUNET_BIO_read (rh, "dir-data", ret->data.dir.dir_data, dsize)) ||
891 GNUNET_BIO_read_string (rh, "ent-filename", &filename, 16*1024)) )
896 ret->data.dir.dir_size = (uint32_t) dsize;
897 ret->is_directory = GNUNET_YES;
898 if (filename != NULL)
900 ret->data.dir.entries = deserialize_file_information (h, filename);
901 GNUNET_free (filename);
903 nxt = ret->data.dir.entries;
915 ret->serialization = GNUNET_strdup (fn);
917 GNUNET_BIO_read_string (rh, "nxt-filename", &filename, 16*1024))
922 if (filename != NULL)
924 ret->next = deserialize_file_information (h, filename);
925 GNUNET_free (filename);
928 GNUNET_free_non_null (ksks);
929 GNUNET_free_non_null (chks);
932 GNUNET_free_non_null (ksks);
933 GNUNET_free_non_null (chks);
934 GNUNET_free_non_null (filename);
935 GNUNET_FS_file_information_destroy (ret, NULL, NULL);
941 * Using the given serialization filename, try to deserialize
942 * the file-information tree associated with it.
944 * @param h master context
945 * @param filename name of the file (without directory) with
947 * @return NULL on error
949 static struct GNUNET_FS_FileInformation *
950 deserialize_file_information (struct GNUNET_FS_Handle *h,
951 const char *filename)
953 struct GNUNET_FS_FileInformation *ret;
954 struct GNUNET_BIO_ReadHandle *rh;
957 rh = get_read_handle (h, GNUNET_FS_SYNC_PATH_FILE_INFO, filename);
960 ret = deserialize_fi_node (h, filename, rh);
962 GNUNET_BIO_read_close (rh, &emsg))
964 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
965 _("Failed to resume publishing information `%s': %s\n"),
975 * Given a serialization name (full absolute path), return the
976 * basename of the file (without the path), which must only
977 * consist of the 6 random characters.
979 * @param fullname name to extract the basename from
980 * @return copy of the basename, NULL on error
983 get_serialization_short_name (const char *fullname)
990 /* FIXME: we could do this faster since we know
991 the length of 'end'... */
994 if (DIR_SEPARATOR == *nxt)
998 if ( (end == NULL) ||
999 (strlen (end) == 0) )
1004 GNUNET_break (6 == strlen (end));
1005 return GNUNET_strdup (end);
1010 * Create a new random name for serialization. Also checks if persistence
1011 * is enabled and returns NULL if not.
1013 * @param h master context
1014 * @param ext component of the path
1015 * @return NULL on errror
1018 make_serialization_file_name (struct GNUNET_FS_Handle *h,
1025 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
1026 return NULL; /* persistence not requested */
1027 dn = get_serialization_file_name (h, ext, "");
1029 GNUNET_DISK_directory_create_for_file (dn))
1034 fn = GNUNET_DISK_mktemp (dn);
1037 return NULL; /* epic fail */
1038 ret = get_serialization_short_name (fn);
1045 * Create a new random name for serialization. Also checks if persistence
1046 * is enabled and returns NULL if not.
1048 * @param h master context
1049 * @param ext component of the path
1050 * @param uni name of parent
1051 * @return NULL on errror
1054 make_serialization_file_name_in_dir (struct GNUNET_FS_Handle *h,
1062 if (0 == (h->flags & GNUNET_FS_FLAGS_PERSISTENCE))
1063 return NULL; /* persistence not requested */
1064 dn = get_serialization_file_name_in_dir (h, ext, uni, "");
1066 GNUNET_DISK_directory_create_for_file (dn))
1071 fn = GNUNET_DISK_mktemp (dn);
1074 return NULL; /* epic fail */
1075 ret = get_serialization_short_name (fn);
1082 * Copy all of the data from the reader to the write handle.
1084 * @param wh write handle
1085 * @param fi file with reader
1086 * @return GNUNET_OK on success
1089 copy_from_reader (struct GNUNET_BIO_WriteHandle *wh,
1090 struct GNUNET_FS_FileInformation * fi)
1092 char buf[32 * 1024];
1099 while (off < fi->data.file.file_size)
1101 ret = fi->data.file.reader (fi->data.file.reader_cls,
1108 return GNUNET_SYSERR;
1111 GNUNET_BIO_write (wh, buf, ret))
1112 return GNUNET_SYSERR;
1120 * Create a temporary file on disk to store the current
1123 * @param fi file information to sync with disk
1126 GNUNET_FS_file_information_sync_ (struct GNUNET_FS_FileInformation * fi)
1129 struct GNUNET_BIO_WriteHandle *wh;
1134 if (NULL == fi->serialization)
1135 fi->serialization = make_serialization_file_name (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO);
1136 if (NULL == fi->serialization)
1138 wh = get_write_handle (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO, fi->serialization);
1141 GNUNET_free (fi->serialization);
1142 fi->serialization = NULL;
1145 if (GNUNET_YES == fi->is_directory)
1147 else if (GNUNET_YES == fi->data.file.index_start_confirmed)
1149 else if (GNUNET_YES == fi->data.file.have_hash)
1151 else if (GNUNET_YES == fi->data.file.do_index)
1155 if (fi->keywords != NULL)
1156 ksks = GNUNET_FS_uri_to_string (fi->keywords);
1159 if (fi->chk_uri != NULL)
1160 chks = GNUNET_FS_uri_to_string (fi->chk_uri);
1164 GNUNET_BIO_write (wh, &b, sizeof (b))) ||
1166 GNUNET_BIO_write_meta_data (wh, fi->meta)) ||
1168 GNUNET_BIO_write_string (wh, ksks)) ||
1170 GNUNET_BIO_write_string (wh, chks)) ||
1172 GNUNET_BIO_write_int64 (wh, fi->expirationTime.value)) ||
1174 write_start_time (wh, fi->start_time)) ||
1176 GNUNET_BIO_write_string (wh, fi->emsg)) ||
1178 GNUNET_BIO_write_string (wh, fi->filename)) ||
1180 GNUNET_BIO_write_int32 (wh, fi->anonymity)) ||
1182 GNUNET_BIO_write_int32 (wh, fi->priority)) )
1187 GNUNET_free_non_null (chks);
1189 GNUNET_free_non_null (ksks);
1194 case 0: /* file-insert */
1196 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size))
1201 if ( (GNUNET_NO == fi->is_published) &&
1202 (NULL == fi->filename) )
1204 copy_from_reader (wh, fi))
1210 case 1: /* file-index, no hash */
1211 if (NULL == fi->filename)
1217 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size))
1223 case 2: /* file-index-with-hash */
1224 case 3: /* file-index-with-hash-confirmed */
1225 if (NULL == fi->filename)
1231 GNUNET_BIO_write_int64 (wh, fi->data.file.file_size)) ||
1233 GNUNET_BIO_write (wh, &fi->data.file.file_id, sizeof (GNUNET_HashCode))) )
1239 case 4: /* directory */
1241 GNUNET_BIO_write_int32 (wh, fi->data.dir.dir_size)) ||
1243 GNUNET_BIO_write (wh, fi->data.dir.dir_data, (uint32_t) fi->data.dir.dir_size)) ||
1245 GNUNET_BIO_write_string (wh, fi->data.dir.entries->serialization)) )
1256 GNUNET_BIO_write_string (wh, (fi->next != NULL) ? fi->next->serialization : NULL))
1262 GNUNET_BIO_write_close (wh))
1269 (void) GNUNET_BIO_write_close (wh);
1270 GNUNET_free_non_null (chks);
1271 GNUNET_free_non_null (ksks);
1272 fn = get_serialization_file_name (fi->h, GNUNET_FS_SYNC_PATH_FILE_INFO, fi->serialization);
1273 if (0 != UNLINK (fn))
1274 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", fn);
1276 GNUNET_free (fi->serialization);
1277 fi->serialization = NULL;
1283 * Find the entry in the file information struct where the
1284 * serialization filename matches the given name.
1286 * @param pos file information to search
1287 * @param srch filename to search for
1288 * @return NULL if srch was not found in this subtree
1290 static struct GNUNET_FS_FileInformation *
1291 find_file_position (struct GNUNET_FS_FileInformation *pos,
1294 struct GNUNET_FS_FileInformation *r;
1298 if (0 == strcmp (srch,
1299 pos->serialization))
1301 if (pos->is_directory)
1303 r = find_file_position (pos->data.dir.entries,
1315 * Signal the FS's progress function that we are resuming
1318 * @param cls closure (of type "struct GNUNET_FS_PublishContext*")
1319 * @param fi the entry in the publish-structure
1320 * @param length length of the file or directory
1321 * @param meta metadata for the file or directory (can be modified)
1322 * @param uri pointer to the keywords that will be used for this entry (can be modified)
1323 * @param anonymity pointer to selected anonymity level (can be modified)
1324 * @param priority pointer to selected priority (can be modified)
1325 * @param expirationTime pointer to selected expiration time (can be modified)
1326 * @param client_info pointer to client context set upon creation (can be modified)
1327 * @return GNUNET_OK to continue (always)
1330 fip_signal_resume(void *cls,
1331 struct GNUNET_FS_FileInformation *fi,
1333 struct GNUNET_CONTAINER_MetaData *meta,
1334 struct GNUNET_FS_Uri **uri,
1335 uint32_t *anonymity,
1337 struct GNUNET_TIME_Absolute *expirationTime,
1340 struct GNUNET_FS_PublishContext *sc = cls;
1341 struct GNUNET_FS_ProgressInfo pi;
1343 pi.status = GNUNET_FS_STATUS_PUBLISH_RESUME;
1344 pi.value.publish.specifics.resume.message = sc->fi->emsg;
1345 pi.value.publish.specifics.resume.chk_uri = sc->fi->chk_uri;
1346 *client_info = GNUNET_FS_publish_make_status_ (&pi, sc, fi, 0);
1352 * Function called with a filename of serialized publishing operation
1355 * @param cls the 'struct GNUNET_FS_Handle*'
1356 * @param filename complete filename (absolute path)
1357 * @return GNUNET_OK (continue to iterate)
1360 deserialize_publish_file (void *cls,
1361 const char *filename)
1363 struct GNUNET_FS_Handle *h = cls;
1364 struct GNUNET_BIO_ReadHandle *rh;
1365 struct GNUNET_FS_PublishContext *pc;
1373 pc = GNUNET_malloc (sizeof (struct GNUNET_FS_PublishContext));
1375 pc->serialization = get_serialization_short_name (filename);
1379 rh = GNUNET_BIO_read_open (filename);
1386 GNUNET_BIO_read_string (rh, "publish-nid", &pc->nid, 1024)) ||
1388 GNUNET_BIO_read_string (rh, "publish-nuid", &pc->nuid, 1024)) ||
1390 GNUNET_BIO_read_int32 (rh, &options)) ||
1392 GNUNET_BIO_read_int32 (rh, &all_done)) ||
1394 GNUNET_BIO_read_string (rh, "publish-firoot", &fi_root, 128)) ||
1396 GNUNET_BIO_read_string (rh, "publish-fipos", &fi_pos, 128)) ||
1398 GNUNET_BIO_read_string (rh, "publish-ns", &ns, 1024)) )
1403 pc->options = options;
1404 pc->all_done = all_done;
1405 pc->fi = deserialize_file_information (h, fi_root);
1413 pc->namespace = GNUNET_FS_namespace_create (h, ns);
1414 if (pc->namespace == NULL)
1416 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1417 _("Failed to recover namespace `%s', cannot resume publishing operation.\n"),
1422 if ( (0 == (pc->options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY)) &&
1423 (GNUNET_YES != pc->all_done) )
1425 pc->dsh = GNUNET_DATASTORE_connect (h->cfg,
1427 if (NULL == pc->dsh)
1432 pc->fi_pos = find_file_position (pc->fi,
1434 GNUNET_free (fi_pos);
1436 if (pc->fi_pos == NULL)
1438 /* failed to find position for resuming, outch! Will start from root! */
1440 if (pc->all_done != GNUNET_YES)
1441 pc->fi_pos = pc->fi;
1444 /* generate RESUME event(s) */
1445 GNUNET_FS_file_information_inspect (pc->fi,
1449 /* re-start publishing (if needed)... */
1450 if (pc->all_done != GNUNET_YES)
1452 = GNUNET_SCHEDULER_add_with_priority (h->sched,
1453 GNUNET_SCHEDULER_PRIORITY_BACKGROUND,
1454 &GNUNET_FS_publish_main_,
1457 GNUNET_BIO_read_close (rh, &emsg))
1459 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1460 _("Failure while resuming publishing operation `%s': %s\n"),
1465 GNUNET_free_non_null (ns);
1466 pc->top = GNUNET_FS_make_top (h, &GNUNET_FS_publish_signal_suspend_, pc);
1469 GNUNET_free_non_null (pc->nid);
1470 GNUNET_free_non_null (pc->nuid);
1471 GNUNET_free_non_null (fi_root);
1472 GNUNET_free_non_null (fi_pos);
1473 GNUNET_free_non_null (ns);
1474 if ( (rh != NULL) &&
1476 GNUNET_BIO_read_close (rh, &emsg)) )
1478 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
1479 _("Failed to resume publishing operation `%s': %s\n"),
1485 GNUNET_FS_file_information_destroy (pc->fi, NULL, NULL);
1486 if (0 != UNLINK (filename))
1487 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", filename);
1488 GNUNET_free_non_null (pc->serialization);
1495 * Synchronize this publishing struct with its mirror
1496 * on disk. Note that all internal FS-operations that change
1497 * publishing structs should already call "sync" internally,
1498 * so this function is likely not useful for clients.
1500 * @param pc the struct to sync
1503 GNUNET_FS_publish_sync_ (struct GNUNET_FS_PublishContext *pc)
1505 struct GNUNET_BIO_WriteHandle *wh;
1507 if (NULL == pc->serialization)
1508 pc->serialization = make_serialization_file_name (pc->h,
1509 GNUNET_FS_SYNC_PATH_MASTER_PUBLISH);
1510 if (NULL == pc->serialization)
1514 if (NULL == pc->fi->serialization)
1519 wh = get_write_handle (pc->h, GNUNET_FS_SYNC_PATH_MASTER_PUBLISH, pc->serialization);
1526 GNUNET_BIO_write_string (wh, pc->nid)) ||
1528 GNUNET_BIO_write_string (wh, pc->nuid)) ||
1530 GNUNET_BIO_write_int32 (wh, pc->options)) ||
1532 GNUNET_BIO_write_int32 (wh, pc->all_done)) ||
1534 GNUNET_BIO_write_string (wh, pc->fi->serialization)) ||
1536 GNUNET_BIO_write_string (wh, (pc->fi_pos == NULL) ? NULL : pc->fi_pos->serialization)) ||
1538 GNUNET_BIO_write_string (wh, (pc->namespace == NULL) ? NULL : pc->namespace->name)) )
1544 GNUNET_BIO_write_close (wh))
1553 (void) GNUNET_BIO_write_close (wh);
1554 GNUNET_FS_remove_sync_file_ (pc->h, GNUNET_FS_SYNC_PATH_MASTER_PUBLISH, pc->serialization);
1555 GNUNET_free (pc->serialization);
1556 pc->serialization = NULL;
1561 * Synchronize this unindex struct with its mirror
1562 * on disk. Note that all internal FS-operations that change
1563 * publishing structs should already call "sync" internally,
1564 * so this function is likely not useful for clients.
1566 * @param uc the struct to sync
1569 GNUNET_FS_unindex_sync_ (struct GNUNET_FS_UnindexContext *uc)
1571 struct GNUNET_BIO_WriteHandle *wh;
1573 if (UNINDEX_STATE_ABORTED == uc->state)
1575 if (NULL == uc->serialization)
1576 uc->serialization = make_serialization_file_name (uc->h,
1577 GNUNET_FS_SYNC_PATH_MASTER_UNINDEX);
1578 if (NULL == uc->serialization)
1580 wh = get_write_handle (uc->h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
1587 GNUNET_BIO_write_string (wh, uc->filename)) ||
1589 GNUNET_BIO_write_int64 (wh, uc->file_size)) ||
1591 write_start_time (wh, uc->start_time)) ||
1593 GNUNET_BIO_write_int32 (wh, (uint32_t) uc->state)) ||
1594 ( (uc->state == UNINDEX_STATE_FS_NOTIFY) &&
1596 GNUNET_BIO_write (wh, &uc->file_id, sizeof (GNUNET_HashCode))) ) ||
1597 ( (uc->state == UNINDEX_STATE_ERROR) &&
1599 GNUNET_BIO_write_string (wh, uc->emsg)) ) )
1605 GNUNET_BIO_write_close (wh))
1614 (void) GNUNET_BIO_write_close (wh);
1615 GNUNET_FS_remove_sync_file_ (uc->h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
1616 GNUNET_free (uc->serialization);
1617 uc->serialization = NULL;
1622 * Serialize an active or pending download request.
1624 * @param cls the 'struct GNUNET_BIO_WriteHandle*'
1625 * @param key unused, can be NULL
1626 * @param value the 'struct DownloadRequest'
1627 * @return GNUNET_YES on success, GNUNET_NO on error
1630 write_download_request (void *cls,
1631 const GNUNET_HashCode *key,
1634 struct GNUNET_BIO_WriteHandle *wh = cls;
1635 struct DownloadRequest *dr = value;
1638 GNUNET_BIO_write (wh, &dr->chk, sizeof (struct ContentHashKey))) ||
1640 GNUNET_BIO_write_int64 (wh, dr->offset)) ||
1642 GNUNET_BIO_write_int32 (wh, dr->depth)) )
1649 * Count active download requests.
1651 * @param cls the 'uint32_t*' counter
1652 * @param key unused, can be NULL
1653 * @param value the 'struct DownloadRequest'
1654 * @return GNUNET_YES (continue iteration)
1657 count_download_requests (void *cls,
1658 const GNUNET_HashCode *key,
1661 uint32_t *counter = cls;
1669 * Compute the name of the sync file (or directory) for the given download
1672 * @param dc download context to compute for
1673 * @param uni unique filename to use, use "" for the directory name
1674 * @return the expanded file name, NULL for none
1677 get_download_sync_filename (struct GNUNET_FS_DownloadContext *dc,
1683 if (dc->parent == NULL)
1684 return get_serialization_file_name (dc->h,
1685 (dc->search != NULL) ?
1686 GNUNET_FS_SYNC_PATH_CHILD_DOWNLOAD :
1687 GNUNET_FS_SYNC_PATH_MASTER_DOWNLOAD,
1689 if (dc->parent->serialization == NULL)
1691 par = get_download_sync_filename (dc->parent, dc->parent->serialization);
1694 GNUNET_asprintf (&epar,
1705 * Synchronize this download struct with its mirror
1706 * on disk. Note that all internal FS-operations that change
1707 * publishing structs should already call "sync" internally,
1708 * so this function is likely not useful for clients.
1710 * @param dc the struct to sync
1713 GNUNET_FS_download_sync_ (struct GNUNET_FS_DownloadContext *dc)
1715 struct GNUNET_BIO_WriteHandle *wh;
1719 uint32_t num_pending;
1721 if (NULL == dc->serialization)
1723 dir = get_download_sync_filename (dc, "");
1727 GNUNET_DISK_directory_create_for_file (dir))
1732 fn = GNUNET_DISK_mktemp (dir);
1734 dc->serialization = get_serialization_short_name (fn);
1738 fn = get_download_sync_filename (dc, dc->serialization);
1740 wh = GNUNET_BIO_write_open (fn);
1743 GNUNET_free (dc->serialization);
1744 dc->serialization = NULL;
1748 GNUNET_assert ( (GNUNET_YES == GNUNET_FS_uri_test_chk (dc->uri)) ||
1749 (GNUNET_YES == GNUNET_FS_uri_test_loc (dc->uri)) );
1750 uris = GNUNET_FS_uri_to_string (dc->uri);
1752 if (dc->emsg == NULL)
1753 (void) GNUNET_CONTAINER_multihashmap_iterate (dc->active,
1754 &count_download_requests,
1756 GNUNET_assert ( (dc->length == dc->completed) ||
1757 (dc->emsg != NULL) ||
1758 (num_pending > 0) );
1760 GNUNET_BIO_write_string (wh, uris)) ||
1762 GNUNET_BIO_write_meta_data (wh, dc->meta)) ||
1764 GNUNET_BIO_write_string (wh, dc->emsg)) ||
1766 GNUNET_BIO_write_string (wh, dc->filename)) ||
1768 GNUNET_BIO_write_string (wh, dc->temp_filename)) ||
1770 GNUNET_BIO_write_int64 (wh, dc->old_file_size)) ||
1772 GNUNET_BIO_write_int64 (wh, dc->offset)) ||
1774 GNUNET_BIO_write_int64 (wh, dc->length)) ||
1776 GNUNET_BIO_write_int64 (wh, dc->completed)) ||
1778 write_start_time (wh, dc->start_time)) ||
1780 GNUNET_BIO_write_int32 (wh, dc->anonymity)) ||
1782 GNUNET_BIO_write_int32 (wh, (uint32_t) dc->options)) ||
1784 GNUNET_BIO_write_int32 (wh, (uint32_t) dc->has_finished)) ||
1786 GNUNET_BIO_write_int32 (wh, num_pending)) )
1791 if (GNUNET_SYSERR ==
1792 GNUNET_CONTAINER_multihashmap_iterate (dc->active,
1793 &write_download_request,
1799 GNUNET_free_non_null (uris);
1801 GNUNET_BIO_write_close (wh))
1811 (void) GNUNET_BIO_write_close (wh);
1812 GNUNET_free_non_null (uris);
1813 if (0 != UNLINK (fn))
1814 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink", fn);
1816 GNUNET_free (dc->serialization);
1817 dc->serialization = NULL;
1822 * Synchronize this search result with its mirror
1823 * on disk. Note that all internal FS-operations that change
1824 * publishing structs should already call "sync" internally,
1825 * so this function is likely not useful for clients.
1827 * @param sr the struct to sync
1830 GNUNET_FS_search_result_sync_ (struct GNUNET_FS_SearchResult *sr)
1832 struct GNUNET_BIO_WriteHandle *wh;
1836 if (NULL == sr->serialization)
1837 sr->serialization = make_serialization_file_name_in_dir (sr->sc->h,
1838 (sr->sc->psearch_result == NULL)
1839 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1840 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1841 sr->sc->serialization);
1842 if (NULL == sr->serialization)
1844 wh = get_write_handle_in_dir (sr->sc->h,
1845 (sr->sc->psearch_result == NULL)
1846 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1847 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1848 sr->sc->serialization,
1855 uris = GNUNET_FS_uri_to_string (sr->uri);
1857 GNUNET_BIO_write_string (wh, uris)) ||
1859 GNUNET_BIO_write_string (wh, sr->download != NULL ? sr->download->serialization : NULL)) ||
1861 GNUNET_BIO_write_string (wh, sr->update_search != NULL ? sr->update_search->serialization : NULL)) ||
1863 GNUNET_BIO_write_meta_data (wh, sr->meta)) ||
1865 GNUNET_BIO_write (wh, &sr->key, sizeof (GNUNET_HashCode))) ||
1867 GNUNET_BIO_write_int32 (wh, sr->mandatory_missing)) ||
1869 GNUNET_BIO_write_int32 (wh, sr->optional_support)) ||
1871 GNUNET_BIO_write_int32 (wh, sr->availability_success)) ||
1873 GNUNET_BIO_write_int32 (wh, sr->availability_trials)) )
1879 GNUNET_BIO_write_close (wh))
1885 GNUNET_free_non_null (uris);
1888 GNUNET_free_non_null (uris);
1890 (void) GNUNET_BIO_write_close (wh);
1891 remove_sync_file_in_dir (sr->sc->h,
1892 (sr->sc->psearch_result == NULL)
1893 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1894 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
1895 sr->sc->serialization,
1897 GNUNET_free (sr->serialization);
1898 sr->serialization = NULL;
1903 * Synchronize this search struct with its mirror
1904 * on disk. Note that all internal FS-operations that change
1905 * publishing structs should already call "sync" internally,
1906 * so this function is likely not useful for clients.
1908 * @param sc the struct to sync
1911 GNUNET_FS_search_sync_ (struct GNUNET_FS_SearchContext *sc)
1913 struct GNUNET_BIO_WriteHandle *wh;
1916 const char *category;
1918 category = (sc->psearch_result == NULL)
1919 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
1920 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH;
1921 if (NULL == sc->serialization)
1922 sc->serialization = make_serialization_file_name (sc->h,
1924 if (NULL == sc->serialization)
1926 wh = get_write_handle (sc->h, category, sc->serialization);
1932 GNUNET_assert ( (GNUNET_YES == GNUNET_FS_uri_test_ksk (sc->uri)) ||
1933 (GNUNET_YES == GNUNET_FS_uri_test_sks (sc->uri)) );
1934 uris = GNUNET_FS_uri_to_string (sc->uri);
1935 in_pause = (sc->task != GNUNET_SCHEDULER_NO_TASK) ? 'r' : '\0';
1937 GNUNET_BIO_write_string (wh, uris)) ||
1939 write_start_time (wh, sc->start_time)) ||
1941 GNUNET_BIO_write_string (wh, sc->emsg)) ||
1943 GNUNET_BIO_write_int32 (wh, (uint32_t) sc->options)) ||
1945 GNUNET_BIO_write (wh, &in_pause, sizeof (in_pause))) ||
1947 GNUNET_BIO_write_int32 (wh, sc->anonymity)) )
1955 GNUNET_BIO_write_close (wh))
1964 (void) GNUNET_BIO_write_close (wh);
1965 GNUNET_free_non_null (uris);
1966 GNUNET_FS_remove_sync_file_ (sc->h, category, sc->serialization);
1967 GNUNET_free (sc->serialization);
1968 sc->serialization = NULL;
1973 * Function called with a filename of serialized unindexing operation
1976 * @param cls the 'struct GNUNET_FS_Handle*'
1977 * @param filename complete filename (absolute path)
1978 * @return GNUNET_OK (continue to iterate)
1981 deserialize_unindex_file (void *cls,
1982 const char *filename)
1984 struct GNUNET_FS_Handle *h = cls;
1985 struct GNUNET_BIO_ReadHandle *rh;
1986 struct GNUNET_FS_UnindexContext *uc;
1987 struct GNUNET_FS_ProgressInfo pi;
1991 uc = GNUNET_malloc (sizeof (struct GNUNET_FS_UnindexContext));
1993 uc->serialization = get_serialization_short_name (filename);
1994 rh = GNUNET_BIO_read_open (filename);
2001 GNUNET_BIO_read_string (rh, "unindex-fn", &uc->filename, 10*1024)) ||
2003 GNUNET_BIO_read_int64 (rh, &uc->file_size)) ||
2005 read_start_time (rh, &uc->start_time)) ||
2007 GNUNET_BIO_read_int32 (rh, &state)) )
2012 uc->state = (enum UnindexState) state;
2015 case UNINDEX_STATE_HASHING:
2017 case UNINDEX_STATE_FS_NOTIFY:
2019 GNUNET_BIO_read (rh, "unindex-hash", &uc->file_id, sizeof (GNUNET_HashCode)))
2025 case UNINDEX_STATE_DS_REMOVE:
2027 case UNINDEX_STATE_COMPLETE:
2029 case UNINDEX_STATE_ERROR:
2031 GNUNET_BIO_read_string (rh, "unindex-emsg", &uc->emsg, 10*1024))
2037 case UNINDEX_STATE_ABORTED:
2044 uc->top = GNUNET_FS_make_top (h,
2045 &GNUNET_FS_unindex_signal_suspend_,
2047 pi.status = GNUNET_FS_STATUS_UNINDEX_RESUME;
2048 pi.value.unindex.specifics.resume.message = uc->emsg;
2049 GNUNET_FS_unindex_make_status_ (&pi,
2051 (uc->state == UNINDEX_STATE_COMPLETE)
2056 case UNINDEX_STATE_HASHING:
2057 GNUNET_CRYPTO_hash_file (uc->h->sched,
2058 GNUNET_SCHEDULER_PRIORITY_IDLE,
2061 &GNUNET_FS_unindex_process_hash_,
2064 case UNINDEX_STATE_FS_NOTIFY:
2065 uc->state = UNINDEX_STATE_HASHING;
2066 GNUNET_FS_unindex_process_hash_ (uc,
2069 case UNINDEX_STATE_DS_REMOVE:
2070 GNUNET_FS_unindex_do_remove_ (uc);
2072 case UNINDEX_STATE_COMPLETE:
2073 case UNINDEX_STATE_ERROR:
2074 /* no need to resume any operation, we were done */
2080 GNUNET_BIO_read_close (rh, &emsg))
2082 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2083 _("Failure while resuming unindexing operation `%s': %s\n"),
2090 GNUNET_free_non_null (uc->filename);
2091 if ( (rh != NULL) &&
2093 GNUNET_BIO_read_close (rh, &emsg)) )
2095 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2096 _("Failed to resume unindexing operation `%s': %s\n"),
2101 if (uc->serialization != NULL)
2102 GNUNET_FS_remove_sync_file_ (h, GNUNET_FS_SYNC_PATH_MASTER_UNINDEX, uc->serialization);
2103 GNUNET_free_non_null (uc->serialization);
2110 * Deserialize a download.
2112 * @param h overall context
2113 * @param rh file to deserialize from
2114 * @param parent parent download
2115 * @param search associated search
2116 * @param serialization name under which the search was serialized
2119 deserialize_download (struct GNUNET_FS_Handle *h,
2120 struct GNUNET_BIO_ReadHandle *rh,
2121 struct GNUNET_FS_DownloadContext *parent,
2122 struct GNUNET_FS_SearchResult *search,
2123 const char *serialization);
2127 * Deserialize a search.
2129 * @param h overall context
2130 * @param rh file to deserialize from
2131 * @param psearch_result parent search result
2132 * @param serialization name under which the search was serialized
2134 static struct GNUNET_FS_SearchContext *
2135 deserialize_search (struct GNUNET_FS_Handle *h,
2136 struct GNUNET_BIO_ReadHandle *rh,
2137 struct GNUNET_FS_SearchResult *psearch_result,
2138 const char *serialization);
2142 * Function called with a filename of serialized search result
2145 * @param cls the 'struct GNUNET_FS_SearchContext*'
2146 * @param filename complete filename (absolute path)
2147 * @return GNUNET_OK (continue to iterate)
2150 deserialize_search_result (void *cls,
2151 const char *filename)
2153 struct GNUNET_FS_SearchContext *sc = cls;
2159 struct GNUNET_BIO_ReadHandle *rh;
2160 struct GNUNET_BIO_ReadHandle *drh;
2161 struct GNUNET_FS_SearchResult *sr;
2163 ser = get_serialization_short_name (filename);
2164 rh = GNUNET_BIO_read_open (filename);
2169 remove_sync_file_in_dir (sc->h,
2170 (sc->psearch_result == NULL)
2171 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2172 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2182 sr = GNUNET_malloc (sizeof (struct GNUNET_FS_SearchResult));
2183 sr->serialization = ser;
2185 GNUNET_BIO_read_string (rh, "result-uri", &uris, 10*1024)) ||
2186 (NULL == (sr->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2188 GNUNET_BIO_read_string (rh, "download-lnk", &download, 16)) ||
2190 GNUNET_BIO_read_string (rh, "search-lnk", &update_srch, 16)) ||
2192 GNUNET_BIO_read_meta_data (rh, "result-meta", &sr->meta)) ||
2194 GNUNET_BIO_read (rh, "result-key", &sr->key, sizeof (GNUNET_HashCode))) ||
2196 GNUNET_BIO_read_int32 (rh, &sr->mandatory_missing)) ||
2198 GNUNET_BIO_read_int32 (rh, &sr->optional_support)) ||
2200 GNUNET_BIO_read_int32 (rh, &sr->availability_success)) ||
2202 GNUNET_BIO_read_int32 (rh, &sr->availability_trials)) )
2208 if (download != NULL)
2210 drh = get_read_handle (sc->h,
2211 GNUNET_FS_SYNC_PATH_CHILD_DOWNLOAD,
2213 deserialize_download (sc->h,
2219 GNUNET_BIO_read_close (drh, &emsg))
2221 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2222 _("Failed to resume sub-download `%s': %s\n"),
2227 GNUNET_free (download);
2229 if (update_srch != NULL)
2231 drh = get_read_handle (sc->h,
2232 GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2234 deserialize_search (sc->h,
2239 GNUNET_BIO_read_close (drh, &emsg))
2241 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2242 _("Failed to resume sub-search `%s': %s\n"),
2247 GNUNET_free (update_srch);
2249 GNUNET_CONTAINER_multihashmap_put (sc->master_result_map,
2252 GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
2255 GNUNET_free_non_null (download);
2256 GNUNET_free_non_null (emsg);
2257 GNUNET_free_non_null (uris);
2258 if (sr->uri != NULL)
2259 GNUNET_FS_uri_destroy (sr->uri);
2260 if (sr->meta != NULL)
2261 GNUNET_CONTAINER_meta_data_destroy (sr->meta);
2262 GNUNET_free (sr->serialization);
2269 * Send the 'resume' signal to the callback; also actually
2270 * resume the download (put it in the queue). Does this
2271 * recursively for the top-level download and all child
2274 * @param dc download to resume
2277 signal_download_resume (struct GNUNET_FS_DownloadContext *dc)
2279 struct GNUNET_FS_DownloadContext *dcc;
2280 struct GNUNET_FS_ProgressInfo pi;
2282 pi.status = GNUNET_FS_STATUS_DOWNLOAD_RESUME;
2283 pi.value.download.specifics.resume.meta = dc->meta;
2284 pi.value.download.specifics.resume.message = dc->emsg;
2285 GNUNET_FS_download_make_status_ (&pi,
2287 dcc = dc->child_head;
2290 signal_download_resume (dcc);
2293 if (dc->pending != NULL)
2294 GNUNET_FS_download_start_downloading_ (dc);
2299 * Signal resuming of a search to our clients (for the
2300 * top level search and all sub-searches).
2302 * @param sc search being resumed
2305 signal_search_resume (struct GNUNET_FS_SearchContext *sc);
2309 * Iterator over search results signaling resume to the client for
2312 * @param cls closure, the 'struct GNUNET_FS_SearchContext'
2313 * @param key current key code
2314 * @param value value in the hash map, the 'struct GNUNET_FS_SearchResult'
2315 * @return GNUNET_YES (we should continue to iterate)
2318 signal_result_resume (void *cls,
2319 const GNUNET_HashCode * key,
2322 struct GNUNET_FS_SearchContext *sc = cls;
2323 struct GNUNET_FS_ProgressInfo pi;
2324 struct GNUNET_FS_SearchResult *sr = value;
2326 if (0 == sr->mandatory_missing)
2328 pi.status = GNUNET_FS_STATUS_SEARCH_RESUME_RESULT;
2329 pi.value.search.specifics.resume_result.meta = sr->meta;
2330 pi.value.search.specifics.resume_result.uri = sr->uri;
2331 pi.value.search.specifics.resume_result.result = sr;
2332 pi.value.search.specifics.resume_result.availability_rank = 2*sr->availability_success - sr->availability_trials;
2333 pi.value.search.specifics.resume_result.availability_certainty = sr->availability_trials;
2334 pi.value.search.specifics.resume_result.applicability_rank = sr->optional_support;
2335 sr->client_info = GNUNET_FS_search_make_status_ (&pi,
2338 if (sr->download != NULL)
2340 signal_download_resume (sr->download);
2344 GNUNET_FS_search_start_probe_ (sr);
2346 if (sr->update_search != NULL)
2347 signal_search_resume (sr->update_search);
2353 * Free memory allocated by the search context and its children
2355 * @param sc search context to free
2358 free_search_context (struct GNUNET_FS_SearchContext *sc);
2362 * Iterator over search results freeing each.
2364 * @param cls closure, the 'struct GNUNET_FS_SearchContext'
2365 * @param key current key code
2366 * @param value value in the hash map, the 'struct GNUNET_FS_SearchResult'
2367 * @return GNUNET_YES (we should continue to iterate)
2370 free_result (void *cls,
2371 const GNUNET_HashCode * key,
2374 struct GNUNET_FS_SearchResult *sr = value;
2376 if (sr->update_search != NULL)
2378 free_search_context (sr->update_search);
2379 GNUNET_assert (NULL == sr->update_search);
2381 GNUNET_CONTAINER_meta_data_destroy (sr->meta);
2382 GNUNET_FS_uri_destroy (sr->uri);
2389 * Free memory allocated by the search context and its children
2391 * @param sc search context to free
2394 free_search_context (struct GNUNET_FS_SearchContext *sc)
2396 if (sc->serialization != NULL)
2398 GNUNET_FS_remove_sync_file_ (sc->h,
2399 (sc->psearch_result == NULL)
2400 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2401 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2403 GNUNET_FS_remove_sync_dir_ (sc->h,
2404 (sc->psearch_result == NULL)
2405 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2406 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2409 GNUNET_free_non_null (sc->serialization);
2410 GNUNET_free_non_null (sc->emsg);
2411 if (sc->uri != NULL)
2412 GNUNET_FS_uri_destroy (sc->uri);
2413 if (sc->master_result_map != NULL)
2415 GNUNET_CONTAINER_multihashmap_iterate (sc->master_result_map,
2418 GNUNET_CONTAINER_multihashmap_destroy (sc->master_result_map);
2425 * Function called with a filename of serialized sub-download
2428 * @param cls the 'struct GNUNET_FS_DownloadContext*' (parent)
2429 * @param filename complete filename (absolute path)
2430 * @return GNUNET_OK (continue to iterate)
2433 deserialize_subdownload (void *cls,
2434 const char *filename)
2436 struct GNUNET_FS_DownloadContext *parent = cls;
2439 struct GNUNET_BIO_ReadHandle *rh;
2441 ser = get_serialization_short_name (filename);
2442 rh = GNUNET_BIO_read_open (filename);
2443 deserialize_download (parent->h,
2449 GNUNET_BIO_read_close (rh, &emsg))
2451 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2452 _("Failed to resume sub-download `%s': %s\n"),
2463 * Free this download context and all of its descendants.
2464 * (only works during deserialization since not all possible
2465 * state it taken care of).
2467 * @param dc context to free
2470 free_download_context (struct GNUNET_FS_DownloadContext *dc)
2472 struct GNUNET_FS_DownloadContext *dcc;
2473 struct DownloadRequest *dr;
2474 if (dc->meta != NULL)
2475 GNUNET_CONTAINER_meta_data_destroy (dc->meta);
2476 if (dc->uri != NULL)
2477 GNUNET_FS_uri_destroy (dc->uri);
2478 GNUNET_free_non_null (dc->temp_filename);
2479 GNUNET_free_non_null (dc->emsg);
2480 GNUNET_free_non_null (dc->filename);
2481 while (NULL != (dcc = dc->child_head))
2483 GNUNET_CONTAINER_DLL_remove (dc->child_head,
2486 free_download_context (dcc);
2488 while (NULL != (dr = dc->pending))
2490 dc->pending = dr->next;
2498 * Deserialize a download.
2500 * @param h overall context
2501 * @param rh file to deserialize from
2502 * @param parent parent download
2503 * @param search associated search
2504 * @param serialization name under which the search was serialized
2507 deserialize_download (struct GNUNET_FS_Handle *h,
2508 struct GNUNET_BIO_ReadHandle *rh,
2509 struct GNUNET_FS_DownloadContext *parent,
2510 struct GNUNET_FS_SearchResult *search,
2511 const char *serialization)
2513 struct GNUNET_FS_DownloadContext *dc;
2514 struct DownloadRequest *dr;
2520 uint32_t num_pending;
2525 dc = GNUNET_malloc (sizeof (struct GNUNET_FS_DownloadContext));
2526 dc->parent = parent;
2528 dc->serialization = GNUNET_strdup (serialization);
2530 GNUNET_BIO_read_string (rh, "download-uri", &uris, 10*1024)) ||
2531 (NULL == (dc->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2532 ( (GNUNET_YES != GNUNET_FS_uri_test_chk (dc->uri)) &&
2533 (GNUNET_YES != GNUNET_FS_uri_test_loc (dc->uri)) ) ||
2535 GNUNET_BIO_read_meta_data (rh, "download-meta", &dc->meta)) ||
2537 GNUNET_BIO_read_string (rh, "download-emsg", &dc->emsg, 10*1024)) ||
2539 GNUNET_BIO_read_string (rh, "download-fn", &dc->filename, 10*1024)) ||
2541 GNUNET_BIO_read_string (rh, "download-tfn", &dc->temp_filename, 10*1024)) ||
2543 GNUNET_BIO_read_int64 (rh, &dc->old_file_size)) ||
2545 GNUNET_BIO_read_int64 (rh, &dc->offset)) ||
2547 GNUNET_BIO_read_int64 (rh, &dc->length)) ||
2549 GNUNET_BIO_read_int64 (rh, &dc->completed)) ||
2551 read_start_time (rh, &dc->start_time)) ||
2553 GNUNET_BIO_read_int32 (rh, &dc->anonymity)) ||
2555 GNUNET_BIO_read_int32 (rh, &options)) ||
2557 GNUNET_BIO_read_int32 (rh, &status)) ||
2559 GNUNET_BIO_read_int32 (rh, &num_pending)) )
2564 dc->options = (enum GNUNET_FS_DownloadOptions) options;
2565 dc->active = GNUNET_CONTAINER_multihashmap_create (16);
2566 dc->has_finished = (int) status;
2567 dc->treedepth = GNUNET_FS_compute_depth (GNUNET_FS_uri_chk_get_file_size (dc->uri));
2568 if (GNUNET_FS_uri_test_loc (dc->uri))
2569 GNUNET_assert (GNUNET_OK ==
2570 GNUNET_FS_uri_loc_get_peer_identity (dc->uri,
2572 if ( (dc->length > dc->completed) &&
2573 (num_pending == 0) )
2578 while (0 < num_pending--)
2580 dr = GNUNET_malloc (sizeof (struct DownloadRequest));
2582 GNUNET_BIO_read (rh, "chk", &dr->chk, sizeof (struct ContentHashKey))) ||
2584 GNUNET_BIO_read_int64 (rh, &dr->offset)) ||
2586 GNUNET_BIO_read_int32 (rh, &dr->depth)) )
2591 dr->is_pending = GNUNET_YES;
2592 dr->next = dc->pending;
2596 dn = get_download_sync_filename (dc, "");
2600 GNUNET_DISK_directory_test (dn))
2601 GNUNET_DISK_directory_scan (dn, &deserialize_subdownload, dc);
2605 GNUNET_CONTAINER_DLL_insert (parent->child_head,
2610 dc->search = search;
2611 search->download = dc;
2613 if ( (parent == NULL) ||
2615 dc->top = GNUNET_FS_make_top (dc->h,
2616 &GNUNET_FS_download_signal_suspend_,
2618 signal_download_resume (dc);
2622 GNUNET_free_non_null (uris);
2623 GNUNET_free_non_null (dr);
2624 GNUNET_free_non_null (emsg);
2625 free_download_context (dc);
2630 * Signal resuming of a search to our clients (for the
2631 * top level search and all sub-searches).
2633 * @param sc search being resumed
2636 signal_search_resume (struct GNUNET_FS_SearchContext *sc)
2638 struct GNUNET_FS_ProgressInfo pi;
2640 pi.status = GNUNET_FS_STATUS_SEARCH_RESUME;
2641 pi.value.search.specifics.resume.message = sc->emsg;
2642 pi.value.search.specifics.resume.is_paused = (sc->client == NULL) ? GNUNET_YES : GNUNET_NO;
2643 sc->client_info = GNUNET_FS_search_make_status_ (&pi,
2645 GNUNET_CONTAINER_multihashmap_iterate (sc->master_result_map,
2646 &signal_result_resume,
2653 * Deserialize a search.
2655 * @param h overall context
2656 * @param rh file to deserialize from
2657 * @param psearch_result parent search result
2658 * @param serialization name under which the search was serialized
2660 static struct GNUNET_FS_SearchContext *
2661 deserialize_search (struct GNUNET_FS_Handle *h,
2662 struct GNUNET_BIO_ReadHandle *rh,
2663 struct GNUNET_FS_SearchResult *psearch_result,
2664 const char *serialization)
2666 struct GNUNET_FS_SearchContext *sc;
2673 if ( (psearch_result != NULL) &&
2674 (psearch_result->update_search != NULL) )
2681 sc = GNUNET_malloc (sizeof (struct GNUNET_FS_SearchContext));
2682 if (psearch_result != NULL)
2684 sc->psearch_result = psearch_result;
2685 psearch_result->update_search = sc;
2688 sc->serialization = GNUNET_strdup (serialization);
2690 GNUNET_BIO_read_string (rh, "search-uri", &uris, 10*1024)) ||
2691 (NULL == (sc->uri = GNUNET_FS_uri_parse (uris, &emsg))) ||
2692 ( (GNUNET_YES != GNUNET_FS_uri_test_ksk (sc->uri)) &&
2693 (GNUNET_YES != GNUNET_FS_uri_test_sks (sc->uri)) ) ||
2695 read_start_time (rh, &sc->start_time)) ||
2697 GNUNET_BIO_read_string (rh, "search-emsg", &sc->emsg, 10*1024)) ||
2699 GNUNET_BIO_read_int32 (rh, &options)) ||
2701 GNUNET_BIO_read (rh, "search-pause", &in_pause, sizeof (in_pause))) ||
2703 GNUNET_BIO_read_int32 (rh, &sc->anonymity)) )
2708 sc->options = (enum GNUNET_FS_SearchOptions) options;
2709 sc->master_result_map = GNUNET_CONTAINER_multihashmap_create (16);
2710 dn = get_serialization_file_name_in_dir (h,
2711 (sc->psearch_result == NULL)
2712 ? GNUNET_FS_SYNC_PATH_MASTER_SEARCH
2713 : GNUNET_FS_SYNC_PATH_CHILD_SEARCH,
2719 GNUNET_DISK_directory_test (dn))
2720 GNUNET_DISK_directory_scan (dn, &deserialize_search_result, sc);
2723 if ( ('\0' == in_pause) &&
2725 GNUNET_FS_search_start_searching_ (sc)) )
2727 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2728 _("Could not resume running search, will resume as paused search\n"));
2730 signal_search_resume (sc);
2734 GNUNET_free_non_null (emsg);
2735 free_search_context (sc);
2736 GNUNET_free_non_null (uris);
2742 * Function called with a filename of serialized search operation
2745 * @param cls the 'struct GNUNET_FS_Handle*'
2746 * @param filename complete filename (absolute path)
2747 * @return GNUNET_OK (continue to iterate)
2750 deserialize_search_file (void *cls,
2751 const char *filename)
2753 struct GNUNET_FS_Handle *h = cls;
2756 struct GNUNET_BIO_ReadHandle *rh;
2757 struct GNUNET_FS_SearchContext *sc;
2759 ser = get_serialization_short_name (filename);
2760 rh = GNUNET_BIO_read_open (filename);
2765 GNUNET_FS_remove_sync_file_ (h, GNUNET_FS_SYNC_PATH_MASTER_SEARCH, ser);
2770 sc = deserialize_search (h, rh, NULL, ser);
2771 sc->top = GNUNET_FS_make_top (h, &GNUNET_FS_search_signal_suspend_, sc);
2774 GNUNET_BIO_read_close (rh, &emsg))
2776 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2777 _("Failure while resuming search operation `%s': %s\n"),
2787 * Function called with a filename of serialized download operation
2790 * @param cls the 'struct GNUNET_FS_Handle*'
2791 * @param filename complete filename (absolute path)
2792 * @return GNUNET_OK (continue to iterate)
2795 deserialize_download_file (void *cls,
2796 const char *filename)
2798 struct GNUNET_FS_Handle *h = cls;
2801 struct GNUNET_BIO_ReadHandle *rh;
2803 ser = get_serialization_short_name (filename);
2804 rh = GNUNET_BIO_read_open (filename);
2807 if (filename != NULL)
2809 if (0 != UNLINK (filename))
2810 GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
2817 deserialize_download (h, rh, NULL, NULL, ser);
2820 GNUNET_BIO_read_close (rh, &emsg))
2822 GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
2823 _("Failure while resuming download operation `%s': %s\n"),
2833 * Deserialize informatin about pending operations.
2835 * @param master_path which master directory should be scanned
2836 * @param proc function to call for each entry (will get 'h' for 'cls')
2837 * @param h the 'struct GNUNET_FS_Handle*'
2840 deserialization_master (const char *master_path,
2841 GNUNET_FileNameCallback proc,
2842 struct GNUNET_FS_Handle *h)
2846 dn = get_serialization_file_name (h, master_path, "");
2850 GNUNET_DISK_directory_test (dn))
2851 GNUNET_DISK_directory_scan (dn, proc, h);
2857 * Setup a connection to the file-sharing service.
2859 * @param sched scheduler to use
2860 * @param cfg configuration to use
2861 * @param client_name unique identifier for this client
2862 * @param upcb function to call to notify about FS actions
2863 * @param upcb_cls closure for upcb
2864 * @param flags specific attributes for fs-operations
2865 * @param ... list of optional options, terminated with GNUNET_FS_OPTIONS_END
2866 * @return NULL on error
2868 struct GNUNET_FS_Handle *
2869 GNUNET_FS_start (struct GNUNET_SCHEDULER_Handle *sched,
2870 const struct GNUNET_CONFIGURATION_Handle *cfg,
2871 const char *client_name,
2872 GNUNET_FS_ProgressCallback upcb,
2874 enum GNUNET_FS_Flags flags,
2877 struct GNUNET_FS_Handle *ret;
2878 enum GNUNET_FS_OPTIONS opt;
2881 ret = GNUNET_malloc (sizeof (struct GNUNET_FS_Handle));
2884 ret->client_name = GNUNET_strdup (client_name);
2886 ret->upcb_cls = upcb_cls;
2888 ret->max_parallel_downloads = 1;
2889 ret->max_parallel_requests = 1;
2890 ret->avg_block_latency = GNUNET_TIME_UNIT_MINUTES; /* conservative starting point */
2891 va_start (ap, flags);
2892 while (GNUNET_FS_OPTIONS_END != (opt = va_arg (ap, enum GNUNET_FS_OPTIONS)))
2896 case GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM:
2897 ret->max_parallel_downloads = va_arg (ap, unsigned int);
2899 case GNUNET_FS_OPTIONS_REQUEST_PARALLELISM:
2900 ret->max_parallel_requests = va_arg (ap, unsigned int);
2904 GNUNET_free (ret->client_name);
2911 if (0 != (GNUNET_FS_FLAGS_PERSISTENCE & flags))
2913 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_PUBLISH,
2914 &deserialize_publish_file,
2916 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_SEARCH,
2917 &deserialize_search_file,
2919 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_DOWNLOAD,
2920 &deserialize_download_file,
2922 deserialization_master (GNUNET_FS_SYNC_PATH_MASTER_UNINDEX,
2923 &deserialize_unindex_file,
2931 * Close our connection with the file-sharing service.
2932 * The callback given to GNUNET_FS_start will no longer be
2933 * called after this function returns.
2935 * @param h handle that was returned from GNUNET_FS_start
2938 GNUNET_FS_stop (struct GNUNET_FS_Handle *h)
2940 while (h->top_head != NULL)
2941 h->top_head->ssf (h->top_head->ssf_cls);
2942 if (h->queue_job != GNUNET_SCHEDULER_NO_TASK)
2943 GNUNET_SCHEDULER_cancel (h->sched,
2945 GNUNET_free (h->client_name);