2 This file is part of GNUnet.
3 Copyright (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 @a 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,
51 if (type == EXTRACTOR_METATYPE_GNUNET_FULL_DATA)
53 printf (_("\t<original file embedded in %u bytes of meta data>\n"),
54 (unsigned int) data_size);
57 if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
58 (format != EXTRACTOR_METAFORMAT_C_STRING))
60 if (type == EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME)
63 printf ("\t%20s: %s\n",
64 dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
65 EXTRACTOR_metatype_to_string (type)),
68 printf ("\t%20d: %s\n",
78 * Print an entry in a directory.
80 * @param cls closure (not used)
81 * @param filename name of the file in the directory
82 * @param uri URI of the file
83 * @param meta metadata for the file; metadata for
84 * the directory if everything else is NULL/zero
85 * @param length length of the available data for the file
86 * (of type size_t since data must certainly fit
87 * into memory; if files are larger than size_t
88 * permits, then they will certainly not be
89 * embedded with the directory itself).
90 * @param data data available for the file (length bytes)
93 print_entry (void *cls, const char *filename, const struct GNUNET_FS_Uri *uri,
94 const struct GNUNET_CONTAINER_MetaData *meta, size_t length,
101 GNUNET_CONTAINER_meta_data_get_by_type (meta,
102 EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
105 printf (_("Directory `%s' meta data:\n"), name ? name : "");
106 GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
108 printf (_("Directory `%s' contents:\n"), name ? name : "");
109 GNUNET_free_non_null (name);
112 string = GNUNET_FS_uri_to_string (uri);
113 printf ("%s (%s):\n", name ? name : "", string);
114 GNUNET_free (string);
115 GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
117 GNUNET_free_non_null (name);
122 * Main function that will be run by the scheduler.
125 * @param args remaining command-line arguments
126 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
127 * @param cfg configuration
130 run (void *cls, char *const *args, const char *cfgfile,
131 const struct GNUNET_CONFIGURATION_Handle *cfg)
133 struct GNUNET_DISK_MapHandle *map;
134 struct GNUNET_DISK_FileHandle *h;
138 const char *filename;
143 FPRINTF (stderr, "%s", _("You must specify a filename to inspect.\n"));
148 while (NULL != (filename = args[i++]))
150 if ((GNUNET_OK != GNUNET_DISK_file_size (filename, &size, GNUNET_YES, GNUNET_YES)) ||
153 GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_READ,
154 GNUNET_DISK_PERM_NONE))))
156 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Failed to read directory `%s'\n"),
162 data = GNUNET_DISK_file_map (h, &map, GNUNET_DISK_MAP_TYPE_READ, len);
163 GNUNET_assert (NULL != data);
164 if (GNUNET_OK != GNUNET_FS_directory_list_contents (len, data, 0, &print_entry, NULL))
165 fprintf (stdout, _("`%s' is not a GNUnet directory\n"),
169 GNUNET_DISK_file_unmap (map);
170 GNUNET_DISK_file_close (h);
175 * The main function to inspect GNUnet directories.
177 * @param argc number of arguments from the command line
178 * @param argv command line arguments
179 * @return 0 ok, 1 on error
182 main (int argc, char *const *argv)
184 static struct GNUNET_GETOPT_CommandLineOption options[] = {
185 GNUNET_GETOPT_OPTION_END
188 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
192 GNUNET_PROGRAM_run (argc, argv, "gnunet-directory [OPTIONS] FILENAME",
194 ("Display contents of a GNUnet directory"),
195 options, &run, NULL)) ? ret : 1;
196 GNUNET_free ((void*) argv);
200 /* end of gnunet-directory.c */