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- /*
- This file is part of GNUnet.
- (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- 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.
- */
- /**
- * @file fs/gnunet-directory.c
- * @brief display content of GNUnet directories
- * @author Christian Grothoff
- */
- #include "platform.h"
- #include "gnunet_fs_service.h"
- static int ret;
- /**
- * Print a meta data entry.
- *
- * @param cls closure (unused)
- * @param plugin_name name of the plugin that generated the meta data
- * @param type type of the keyword
- * @param format format of data
- * @param data_mime_type mime type of data
- * @param data value of the meta data
- * @param data_size number of bytes in data
- * @return always 0 (to continue iterating)
- */
- static int
- item_printer (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_size)
- {
- if (type == EXTRACTOR_METATYPE_GNUNET_FULL_DATA)
- {
- printf (_("\t<original file embedded in %u bytes of meta data>\n"),
- (unsigned int) data_size);
- return 0;
- }
- if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
- (format != EXTRACTOR_METAFORMAT_C_STRING))
- return 0;
- if (type == EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME)
- return 0;
- printf ("\t%20s: %s\n",
- dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
- EXTRACTOR_metatype_to_string (type)), data);
- return 0;
- }
- /**
- * Print an entry in a directory.
- *
- * @param cls closure (not used)
- * @param filename name of the file in the directory
- * @param uri URI of the file
- * @param meta metadata for the file; metadata for
- * the directory if everything else is NULL/zero
- * @param length length of the available data for the file
- * (of type size_t since data must certainly fit
- * into memory; if files are larger than size_t
- * permits, then they will certainly not be
- * embedded with the directory itself).
- * @param data data available for the file (length bytes)
- */
- static void
- print_entry (void *cls, const char *filename, const struct GNUNET_FS_Uri *uri,
- const struct GNUNET_CONTAINER_MetaData *meta, size_t length,
- const void *data)
- {
- char *string;
- char *name;
- name =
- GNUNET_CONTAINER_meta_data_get_by_type (meta,
- EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
- if (uri == NULL)
- {
- printf (_("Directory `%s' meta data:\n"), name);
- GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
- printf ("\n");
- printf (_("Directory `%s' contents:\n"), name);
- GNUNET_free (name);
- return;
- }
- string = GNUNET_FS_uri_to_string (uri);
- printf ("%s (%s):\n", name, string);
- GNUNET_free (string);
- GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
- printf ("\n");
- GNUNET_free (name);
- }
- /**
- * Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param cfg configuration
- */
- static void
- run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
- {
- struct GNUNET_DISK_MapHandle *map;
- struct GNUNET_DISK_FileHandle *h;
- void *data;
- size_t len;
- uint64_t size;
- const char *filename;
- int i;
- if (NULL == args[0])
- {
- fprintf (stderr, _("You must specify a filename to inspect."));
- ret = 1;
- return;
- }
- i = 0;
- while (NULL != (filename = args[i++]))
- {
- if ((GNUNET_OK != GNUNET_DISK_file_size (filename, &size, GNUNET_YES)) ||
- (NULL ==
- (h =
- GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_READ,
- GNUNET_DISK_PERM_NONE))))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Failed to read directory `%s'\n"),
- filename);
- ret = 1;
- continue;
- }
- len = (size_t) size;
- data = GNUNET_DISK_file_map (h, &map, GNUNET_DISK_MAP_TYPE_READ, len);
- GNUNET_assert (NULL != data);
- GNUNET_FS_directory_list_contents (len, data, 0, &print_entry, NULL);
- printf ("\n");
- GNUNET_DISK_file_unmap (map);
- GNUNET_DISK_file_close (h);
- }
- }
- /**
- * The main function to inspect GNUnet directories.
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
- int
- main (int argc, char *const *argv)
- {
- static struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_OPTION_END
- };
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-directory [OPTIONS] FILENAME",
- gettext_noop
- ("Display contents of a GNUnet directory"),
- options, &run, NULL)) ? ret : 1;
- }
- /* end of gnunet-directory.c */
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