gnunet-fs.c

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/*
     This file is part of GNUnet.
     Copyright (C) 2011 GNUnet e.V.
 
     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     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
     Affero General Public License for more details.
 
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
#include "platform.h"
 
#include "gnunet_fs_service.h"
 
static int ret;
 
static struct GNUNET_FS_Handle *fs;
 
static struct GNUNET_FS_GetIndexedContext *gic;
 
static int list_indexed_files;
 
static unsigned int verbose;
 
 
static enum GNUNET_GenericReturnValue
print_indexed (void *cls,
               const char *filename,
               const struct GNUNET_HashCode *file_id)
{
  if (NULL == filename)
  {
    gic = NULL;
    GNUNET_SCHEDULER_shutdown ();
    return GNUNET_OK;
  }
  if (verbose)
    fprintf (stdout,
             "%s: %s\n",
             GNUNET_h2s (file_id),
             filename);
  else
    fprintf (stdout,
             "%s\n",
             filename);
  return GNUNET_OK;
}
 
 
static void
do_shutdown (void *cls)
{
  (void) cls;
  if (NULL != gic)
  {
    GNUNET_FS_get_indexed_files_cancel (gic);
    gic = NULL;
  }
  if (NULL != fs)
  {
    GNUNET_FS_stop (fs);
    fs = NULL;
  }
}
 
 
static void
run (void *cls,
     char *const *args,
     const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *cfg)
{
  if (! list_indexed_files)
    return;
  GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
                                 NULL);
  fs = GNUNET_FS_start (cfg,
                        "gnunet-fs",
                        NULL,
                        NULL,
                        GNUNET_FS_FLAGS_NONE,
                        GNUNET_FS_OPTIONS_END);
  if (NULL == fs)
  {
    ret = 1;
    return;
  }
  gic = GNUNET_FS_get_indexed_files (fs,
                                     &print_indexed,
                                     NULL);
  if (NULL == gic)
  {
    ret = 2;
    GNUNET_SCHEDULER_shutdown ();
    return;
  }
}
 
 
int
main (int argc,
      char *const *argv)
{
  struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_option_flag ('i',
                               "list-indexed",
                               gettext_noop (
                                 "print a list of all indexed files"),
                               &list_indexed_files),
 
    GNUNET_GETOPT_option_verbose (&verbose),
    GNUNET_GETOPT_OPTION_END
  };
 
  if (GNUNET_OK !=
      GNUNET_STRINGS_get_utf8_args (argc, argv,
                                    &argc, &argv))
    return 2;
  ret = (GNUNET_OK ==
         GNUNET_PROGRAM_run (argc,
                             argv,
                             "gnunet-fs [OPTIONS]",
                             gettext_noop ("Special file-sharing operations"),
                             options,
                             &run,
                             NULL))
        ? ret
        : 1;
  GNUNET_free_nz ((void *) argv);
  return ret;
}
 
 
/* end of gnunet-fs.c */