gnunet-unindex.c

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/*
     This file is part of GNUnet.
     Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 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 unsigned int verbose;
 
static const struct GNUNET_CONFIGURATION_Handle *cfg;
 
static struct GNUNET_FS_Handle *ctx;
 
static struct GNUNET_FS_UnindexContext *uc;
 
 
static void
cleanup_task (void *cls)
{
  GNUNET_FS_stop (ctx);
  ctx = NULL;
}
 
 
static void
shutdown_task (void *cls)
{
  struct GNUNET_FS_UnindexContext *u;
 
  if (uc != NULL)
  {
    u = uc;
    uc = NULL;
    GNUNET_FS_unindex_stop (u);
  }
}
 
 
static void *
progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
{
  const char *s;
 
  switch (info->status)
  {
  case GNUNET_FS_STATUS_UNINDEX_START:
    break;
 
  case GNUNET_FS_STATUS_UNINDEX_PROGRESS:
    if (verbose)
    {
      s = GNUNET_STRINGS_relative_time_to_string (info->value.unindex.eta,
                                                  GNUNET_YES);
      fprintf (stdout,
               _ ("Unindexing at %llu/%llu (%s remaining)\n"),
               (unsigned long long) info->value.unindex.completed,
               (unsigned long long) info->value.unindex.size,
               s);
    }
    break;
 
  case GNUNET_FS_STATUS_UNINDEX_ERROR:
    fprintf (stderr,
             _ ("Error unindexing: %s.\n"),
             info->value.unindex.specifics.error.message);
    GNUNET_SCHEDULER_shutdown ();
    break;
 
  case GNUNET_FS_STATUS_UNINDEX_COMPLETED:
    fprintf (stdout, "%s", _ ("Unindexing done.\n"));
    GNUNET_SCHEDULER_shutdown ();
    break;
 
  case GNUNET_FS_STATUS_UNINDEX_STOPPED:
    GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
    break;
 
  default:
    fprintf (stderr, _ ("Unexpected status: %d\n"), info->status);
    break;
  }
  return NULL;
}
 
 
static void
run (void *cls,
     char *const *args,
     const char *cfgfile,
     const struct GNUNET_CONFIGURATION_Handle *c)
{
  /* check arguments */
  if ((args[0] == NULL) || (args[1] != NULL))
  {
    printf (_ ("You must specify one and only one filename for unindexing.\n"));
    ret = -1;
    return;
  }
  cfg = c;
  ctx = GNUNET_FS_start (cfg,
                         "gnunet-unindex",
                         &progress_cb,
                         NULL,
                         GNUNET_FS_FLAGS_NONE,
                         GNUNET_FS_OPTIONS_END);
  if (NULL == ctx)
  {
    fprintf (stderr, _ ("Could not initialize `%s' subsystem.\n"), "FS");
    ret = 1;
    return;
  }
  uc = GNUNET_FS_unindex_start (ctx, args[0], NULL);
  if (NULL == uc)
  {
    fprintf (stderr, "%s", _ ("Could not start unindex operation.\n"));
    GNUNET_FS_stop (ctx);
    return;
  }
  GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
}
 
 
int
main (int argc, char *const *argv)
{
  struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_option_verbose (&verbose),
 
    GNUNET_GETOPT_OPTION_END
  };
 
  ret = (GNUNET_OK ==
         GNUNET_PROGRAM_run (
           GNUNET_OS_project_data_gnunet (),
           argc,
           argv,
           "gnunet-unindex [OPTIONS] FILENAME",
           gettext_noop (
             "Unindex a file that was previously indexed with gnunet-publish."),
           options,
           &run,
           NULL))
        ? ret
        : 1;
  return ret;
}
 
 
/* end of gnunet-unindex.c */