+/*
+ This file is part of GNUnet.
+ (C) 2011 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-fs.c
+ * @brief special file-sharing functions
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_fs_service.h"
+
+/**
+ * Return value.
+ */
+static int ret;
+
+/**
+ * Handle to FS service.
+ */
+static struct GNUNET_FS_Handle *fs;
+
+/**
+ * Option -i given?
+ */
+static int list_indexed_files;
+
+/**
+ * Option -v given?
+ */
+static int verbose;
+
+
+/**
+ * Shutdown this process.
+ *
+ * @param cls unused
+ * @param tc unused
+ */
+static void
+do_shutdown (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ GNUNET_FS_stop (fs);
+ fs = NULL;
+}
+
+
+/**
+ * Print indexed filenames to stdout.
+ *
+ * @param cls closure
+ * @param filename the name of the file
+ * @param file_id hash of the contents of the indexed file
+ * @return GNUNET_OK to continue iteration
+ */
+static int
+print_indexed (void *cls, const char *filename,
+ const GNUNET_HashCode * file_id)
+{
+ if (verbose)
+ fprintf (stdout,
+ "%s: %s\n",
+ GNUNET_h2s (file_id),
+ filename);
+ else
+ fprintf (stdout,
+ "%s\n",
+ filename);
+ return GNUNET_OK;
+}
+
+
+/**
+ * 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)
+{
+ if (list_indexed_files)
+ {
+ fs = GNUNET_FS_start (cfg,
+ "gnunet-fs",
+ NULL, NULL,
+ GNUNET_FS_FLAGS_NONE);
+ if (NULL == fs)
+ {
+ ret = 1;
+ return;
+ }
+ GNUNET_FS_get_indexed_files (fs,
+ &print_indexed, NULL,
+ &do_shutdown, NULL);
+ }
+}
+
+/**
+ * The main function to access special file-sharing functions.
+ *
+ * @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[] = {
+ {'i', "list-indexed", NULL,
+ gettext_noop ("print a list of all indexed files"), 0,
+ &GNUNET_GETOPT_set_one, &list_indexed_files},
+ GNUNET_GETOPT_OPTION_VERBOSE (&verbose),
+ GNUNET_GETOPT_OPTION_END
+ };
+ return (GNUNET_OK ==
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-fs [OPTIONS]",
+ gettext_noop
+ ("Special file-sharing operations"),
+ options, &run, NULL)) ? ret : 1;
+}
+
+/* end of gnunet-fs.c */