2 This file is part of GNUnet.
3 (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 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 3, 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.
21 * @file fs/gnunet-directory.c
22 * @brief display content of GNUnet directories
23 * @author Christian Grothoff
26 #include "gnunet_fs_service.h"
31 * Print a meta data entry.
33 * @param cls closure (unused)
34 * @param plugin_name name of the plugin that generated the meta data
35 * @param type type of the keyword
36 * @param format format of data
37 * @param data_mime_type mime type of data
38 * @param data value of the meta data
39 * @param data_size number of bytes in data
40 * @return always 0 (to continue iterating)
43 item_printer (void *cls,
44 const char *plugin_name,
45 enum EXTRACTOR_MetaType type,
46 enum EXTRACTOR_MetaFormat format,
47 const char *data_mime_type, const char *data, size_t data_size)
49 if (type == EXTRACTOR_METATYPE_GNUNET_FULL_DATA)
51 printf (_("\t<original file embedded in %u bytes of meta data>\n"),
52 (unsigned int) data_size);
55 if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
56 (format != EXTRACTOR_METAFORMAT_C_STRING))
58 if (type == EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME)
60 printf ("\t%20s: %s\n",
61 dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
62 EXTRACTOR_metatype_to_string (type)), data);
69 * Print an entry in a directory.
71 * @param cls closure (not used)
72 * @param filename name of the file in the directory
73 * @param uri URI of the file
74 * @param meta metadata for the file; metadata for
75 * the directory if everything else is NULL/zero
76 * @param length length of the available data for the file
77 * (of type size_t since data must certainly fit
78 * into memory; if files are larger than size_t
79 * permits, then they will certainly not be
80 * embedded with the directory itself).
81 * @param data data available for the file (length bytes)
84 print_entry (void *cls,
86 const struct GNUNET_FS_Uri *uri,
87 const struct GNUNET_CONTAINER_MetaData *meta,
88 size_t length, const void *data)
93 name = GNUNET_CONTAINER_meta_data_get_by_type (meta,
94 EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
97 printf (_("Directory `%s' meta data:\n"), name);
98 GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
100 printf (_("Directory `%s' contents:\n"), name);
104 string = GNUNET_FS_uri_to_string (uri);
105 printf ("%s (%s):\n", name, string);
106 GNUNET_free (string);
107 GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
114 * Main function that will be run by the scheduler.
117 * @param args remaining command-line arguments
118 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
119 * @param cfg configuration
124 const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
126 struct GNUNET_DISK_MapHandle *map;
127 struct GNUNET_DISK_FileHandle *h;
131 const char *filename;
136 fprintf (stderr, _("You must specify a filename to inspect."));
141 while (NULL != (filename = args[i++]))
144 GNUNET_DISK_file_size (filename,
147 (NULL == (h = GNUNET_DISK_file_open (filename,
148 GNUNET_DISK_OPEN_READ,
149 GNUNET_DISK_PERM_NONE))))
151 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
152 _("Failed to read directory `%s'\n"), filename);
157 data = GNUNET_DISK_file_map (h, &map, GNUNET_DISK_MAP_TYPE_READ, len);
158 GNUNET_assert (NULL != data);
159 GNUNET_FS_directory_list_contents (len, data, 0, &print_entry, NULL);
161 GNUNET_DISK_file_unmap (map);
162 GNUNET_DISK_file_close (h);
167 * The main function to inspect GNUnet directories.
169 * @param argc number of arguments from the command line
170 * @param argv command line arguments
171 * @return 0 ok, 1 on error
174 main (int argc, char *const *argv)
176 static struct GNUNET_GETOPT_CommandLineOption options[] = {
177 GNUNET_GETOPT_OPTION_END
180 GNUNET_PROGRAM_run (argc,
182 "gnunet-directory [OPTIONS] FILENAME",
184 ("Display contents of a GNUnet directory"),
185 options, &run, NULL)) ? ret : 1;
188 /* end of gnunet-directory.c */