/*
This file is part of GNUnet.
- (C) 2009, 2011 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009, 2011 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file fs/fs_file_information.c
* @brief Manage information for publishing directory hierarchies
* @author Christian Grothoff
- *
- * TODO:
- * - metadata filename clean up code
- * - metadata/ksk generation for directories from contained files
*/
#include "platform.h"
+#if HAVE_EXTRACTOR_H
#include <extractor.h>
+#endif
#include "gnunet_fs_service.h"
#include "fs_api.h"
#include "fs_tree.h"
-/**
- * Add meta data that libextractor finds to our meta data
- * container.
- *
- * @param cls closure, our meta data container
- * @param plugin_name name of the plugin that produced this value;
- * special values can be used (i.e. '<zlib>' for zlib being
- * used in the main libextractor library and yielding
- * meta data).
- * @param type libextractor-type describing the meta data
- * @param format basic format information about data
- * @param data_mime_type mime-type of data (not of the original file);
- * can be NULL (if mime-type is not known)
- * @param data actual meta-data found
- * @param data_len number of bytes in data
- * @return always 0 to continue extracting
- */
-static int
-add_to_md (void *cls, const char *plugin_name, enum EXTRACTOR_MetaType type,
- enum EXTRACTOR_MetaFormat format, const char *data_mime_type,
- const char *data, size_t data_len)
-{
- struct GNUNET_CONTAINER_MetaData *md = cls;
-
- (void) GNUNET_CONTAINER_meta_data_insert (md, plugin_name, type, format,
- data_mime_type, data, data_len);
- return 0;
-}
-
-
-/**
- * Extract meta-data from a file.
- *
- * @return GNUNET_SYSERR on error, otherwise the number
- * of meta-data items obtained
- */
-int
-GNUNET_FS_meta_data_extract_from_file (struct GNUNET_CONTAINER_MetaData *md,
- const char *filename,
- struct EXTRACTOR_PluginList *extractors)
-{
- int old;
-
- if (filename == NULL)
- return GNUNET_SYSERR;
- if (extractors == NULL)
- return 0;
- old = GNUNET_CONTAINER_meta_data_iterate (md, NULL, NULL);
- GNUNET_assert (old >= 0);
- EXTRACTOR_extract (extractors, filename, NULL, 0, &add_to_md, md);
- return (GNUNET_CONTAINER_meta_data_iterate (md, NULL, NULL) - old);
-}
-
-
-
/**
* Obtain the name under which this file information
* structure is stored on disk. Only works for top-level
*
* @param s structure to get the filename for
* @return NULL on error, otherwise filename that
- * can be passed to "GNUNET_FS_file_information_recover"
- * to read this fi-struct from disk.
+ * can be used to read this fi-struct from disk.
*/
const char *
GNUNET_FS_file_information_get_id (struct GNUNET_FS_FileInformation *s)
s->filename = NULL;
}
+
/**
* Create an entry for a file in a publish-structure.
*
* @param keywords under which keywords should this file be available
* directly; can be NULL
* @param meta metadata for the file
- * @param do_index GNUNET_YES for index, GNUNET_NO for insertion,
- * GNUNET_SYSERR for simulation
+ * @param do_index #GNUNET_YES for index, #GNUNET_NO for insertion,
+ * #GNUNET_SYSERR for simulation
* @param bo block options
* @return publish structure entry for the file
*/
*bo)
{
struct FileInfo *fi;
- struct stat sbuf;
+ uint64_t fsize;
struct GNUNET_FS_FileInformation *ret;
const char *fn;
const char *ss;
char fn_conv[MAX_PATH];
#endif
- if (0 != STAT (filename, &sbuf))
+ /* FIXME: should include_symbolic_links be GNUNET_NO or GNUNET_YES here? */
+ if (GNUNET_OK != GNUNET_DISK_file_size (filename, &fsize, GNUNET_NO, GNUNET_YES))
{
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "stat", filename);
return NULL;
}
fi = GNUNET_FS_make_file_reader_context_ (filename);
- if (fi == NULL)
+ if (NULL == fi)
{
GNUNET_break (0);
return NULL;
}
ret =
GNUNET_FS_file_information_create_from_reader (h, client_info,
- sbuf.st_size,
+ fsize,
&GNUNET_FS_data_reader_file_,
fi, keywords, meta,
do_index, bo);
#endif
while (NULL != (ss = strstr (fn, DIR_SEPARATOR_STR)))
fn = ss + 1;
+/* FIXME: If we assume that on other platforms CRT is UTF-8-aware, then
+ * this should be changed to EXTRACTOR_METAFORMAT_UTF8
+ */
#if !WINDOWS
GNUNET_CONTAINER_meta_data_insert (ret->meta, "<gnunet>",
EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME,
* @param keywords under which keywords should this file be available
* directly; can be NULL
* @param meta metadata for the file
- * @param do_index GNUNET_YES for index, GNUNET_NO for insertion,
- * GNUNET_SYSERR for simulation
+ * @param do_index #GNUNET_YES for index, #GNUNET_NO for insertion,
+ * #GNUNET_SYSERR for simulation
* @param bo block options
* @return publish structure entry for the file
*/
GNUNET_break (0);
return NULL;
}
- ret = GNUNET_malloc (sizeof (struct GNUNET_FS_FileInformation));
+ ret = GNUNET_new (struct GNUNET_FS_FileInformation);
ret->h = h;
ret->client_info = client_info;
ret->meta = GNUNET_CONTAINER_meta_data_duplicate (meta);
* Test if a given entry represents a directory.
*
* @param ent check if this FI represents a directory
- * @return GNUNET_YES if so, GNUNET_NO if not
+ * @return #GNUNET_YES if so, #GNUNET_NO if not
*/
int
GNUNET_FS_file_information_is_directory (const struct GNUNET_FS_FileInformation
/**
* Create an entry for an empty directory in a publish-structure.
- * This function should be used by applications for which the
- * use of "GNUNET_FS_file_information_create_from_directory"
- * is not appropriate.
*
* @param h handle to the file sharing subsystem
* @param client_info initial value for the client-info value for this entry
{
struct GNUNET_FS_FileInformation *ret;
- ret = GNUNET_malloc (sizeof (struct GNUNET_FS_FileInformation));
+ ret = GNUNET_new (struct GNUNET_FS_FileInformation);
ret->h = h;
ret->client_info = client_info;
ret->meta = GNUNET_CONTAINER_meta_data_duplicate (meta);
/**
* Add an entry to a directory in a publish-structure. Clients
* should never modify publish structures that were passed to
- * "GNUNET_FS_publish_start" already.
+ * #GNUNET_FS_publish_start already.
*
* @param dir the directory
* @param ent the entry to add; the entry must not have been
* added to any other directory at this point and
- * must not include "dir" in its structure
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * must not include @a dir in its structure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_FS_file_information_add (struct GNUNET_FS_FileInformation *dir,
struct GNUNET_FS_FileInformation *ent)
{
- if ((ent->dir != NULL) || (ent->next != NULL) || (!dir->is_directory))
+ if ((ent->dir != NULL) || (ent->next != NULL) || (dir->is_directory != GNUNET_YES))
{
GNUNET_break (0);
return GNUNET_SYSERR;
/**
* Inspect a file or directory in a publish-structure. Clients
* should never modify publish structures that were passed to
- * "GNUNET_FS_publish_start" already. When called on a directory,
- * this function will FIRST call "proc" with information about
+ * #GNUNET_FS_publish_start already. When called on a directory,
+ * this function will FIRST call @a proc with information about
* the directory itself and then for each of the files in the
* directory (but not for files in subdirectories). When called
- * on a file, "proc" will be called exactly once (with information
+ * on a file, @a proc will be called exactly once (with information
* about the specific file).
*
* @param dir the directory
* @param proc function to call on each entry
- * @param proc_cls closure for proc
+ * @param proc_cls closure for @a proc
*/
void
GNUNET_FS_file_information_inspect (struct GNUNET_FS_FileInformation *dir,
no = GNUNET_NO;
if (GNUNET_OK !=
proc (proc_cls, dir,
- (dir->is_directory) ? dir->data.dir.dir_size : dir->data.
- file.file_size, dir->meta, &dir->keywords, &dir->bo,
- (dir->is_directory) ? &no : &dir->data.file.do_index,
+ (dir->is_directory == GNUNET_YES) ? dir->data.dir.dir_size : dir->data.
+ file.file_size,
+ dir->meta, &dir->keywords, &dir->bo,
+ (dir->is_directory == GNUNET_YES) ? &no : &dir->data.file.do_index,
&dir->client_info))
return;
- if (!dir->is_directory)
+ if (dir->is_directory != GNUNET_YES)
return;
pos = dir->data.dir.entries;
while (pos != NULL)
no = GNUNET_NO;
if (GNUNET_OK !=
proc (proc_cls, pos,
- (pos->is_directory) ? pos->data.dir.dir_size : pos->data.
+ (pos->is_directory == GNUNET_YES) ? pos->data.dir.dir_size : pos->data.
file.file_size, pos->meta, &pos->keywords, &pos->bo,
- (pos->is_directory) ? &no : &pos->data.file.do_index,
+ (pos->is_directory == GNUNET_YES) ? &no : &pos->data.file.do_index,
&pos->client_info))
break;
pos = pos->next;
/**
* Destroy publish-structure. Clients should never destroy publish
- * structures that were passed to "GNUNET_FS_publish_start" already.
+ * structures that were passed to #GNUNET_FS_publish_start already.
*
* @param fi structure to destroy
* @param cleaner function to call on each entry in the structure
* (useful to clean up client_info); can be NULL; return
* values are ignored
- * @param cleaner_cls closure for cleaner
+ * @param cleaner_cls closure for @a cleaner
*/
void
GNUNET_FS_file_information_destroy (struct GNUNET_FS_FileInformation *fi,
int no;
no = GNUNET_NO;
- if (fi->is_directory)
+ if (GNUNET_YES == fi->is_directory)
{
/* clean up directory */
while (NULL != (pos = fi->data.dir.entries))
else
{
/* call clean-up function of the reader */
- if (fi->data.file.reader != NULL)
- fi->data.file.reader (fi->data.file.reader_cls, 0, 0, NULL, NULL);
+ if (NULL != fi->data.file.reader)
+ {
+ (void) fi->data.file.reader (fi->data.file.reader_cls, 0, 0, NULL, NULL);
+ fi->data.file.reader = NULL;
+ }
/* clean up client-info */
if (NULL != cleaner)
cleaner (cleaner_cls, fi, fi->data.file.file_size, fi->meta,
}
GNUNET_free_non_null (fi->filename);
GNUNET_free_non_null (fi->emsg);
- GNUNET_free_non_null (fi->chk_uri);
+ if (NULL != fi->sks_uri)
+ GNUNET_FS_uri_destroy (fi->sks_uri);
+ if (NULL != fi->chk_uri)
+ GNUNET_FS_uri_destroy (fi->chk_uri);
/* clean up serialization */
if ((NULL != fi->serialization) && (0 != UNLINK (fi->serialization)))
GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "unlink",
if (NULL != fi->meta)
GNUNET_CONTAINER_meta_data_destroy (fi->meta);
GNUNET_free_non_null (fi->serialization);
- if (fi->te != NULL)
+ if (NULL != fi->te)
{
- GNUNET_FS_tree_encoder_finish (fi->te, NULL, NULL);
+ GNUNET_FS_tree_encoder_finish (fi->te, NULL);
fi->te = NULL;
}
GNUNET_free (fi);