prep work

1 files changed, 167 insertions, 0 deletions

diff --git a/src/fs/gnunet-directory.c b/src/fs/gnunet-directory.c
new file mode 100644
index 000000000..0cbf700d1
--- /dev/null
+++ b/src/fs/gnunet-directory.c
@@ -0,0 +1,167 @@
+/*
+     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 2, 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.
+ */
+static int
+item_printer (void *cls,
+              EXTRACTOR_KeywordType type, 
+              const char *data)
+{
+  printf ("\t%20s: %s\n",
+          dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
+                    EXTRACTOR_getKeywordTypeAsString (type)), data);
+  return GNUNET_OK;
+}
+
+
+
+/**
+ * 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 metadata 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;
+
+  string = GNUNET_FS_uri_to_string (uri);
+  printf ("%s:\n", string);
+  GNUNET_free (string);
+  GNUNET_CONTAINER_meta_data_get_contents (meta,
+                                           &item_printer,
+                                           NULL);
+}
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param sched the scheduler to use
+ * @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,
+     struct GNUNET_SCHEDULER_Handle *sched,
+     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 = args[0];
+
+  if (NULL == filename)
+    {
+      fprintf (stderr,
+               _("You must specify a filename to inspect."));
+      ret = 1;
+      return;
+    }
+  if ( (GNUNET_OK !=
+        GNUNET_DISK_file_size (filename,
+                               &size,
+                               GNUNET_YES)) ||
+       (NULL == (h = GNUNET_DISK_file_open (filename,
+                                            GNUNET_DISK_OPEN_READ))) )
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  _("Failed to read directory `%s'\n"),
+                  filename);
+      ret = 1;
+      return;
+    }
+  len = (size_t) size;
+  data = GNUNET_DISK_file_map (h,
+                               &map,
+                               GNUNET_DISK_MAP_READ,
+                               len);
+  GNUNET_assert (NULL != data);
+  GNUNET_FS_directory_list_contents (len,
+                                     data,
+                                     0, 
+                                     &print_entry,
+                                     NULL);
+  GNUNET_DISK_file_unmap (map);
+  GNUNET_DISK_file_close (h);
+}
+
+
+/**
+ * gnunet-directory command line options
+ */
+static struct GNUNET_GETOPT_CommandLineOption options[] = {
+  // FIXME: options!
+  GNUNET_GETOPT_OPTION_END
+};
+
+
+/**
+ * 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)
+{
+  return (GNUNET_OK ==
+          GNUNET_PROGRAM_run (argc,
+                              argv,
+                              "gnunet-directory",
+                              gettext_noop
+                              ("Display GNUnet directories."),
+                              options, &run, NULL)) ? ret : 1;
+}
+
+/* end of gnunet-directory.c */