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Diffstat (limited to 'src/fs/gnunet-unindex.c')
-rw-r--r-- | src/fs/gnunet-unindex.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/fs/gnunet-unindex.c b/src/fs/gnunet-unindex.c new file mode 100644 index 0000000..3e8308d --- /dev/null +++ b/src/fs/gnunet-unindex.c @@ -0,0 +1,180 @@ +/* + 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-unindex.c + * @brief unindex files published on GNUnet + * @author Christian Grothoff + * @author Krista Bennett + * @author James Blackwell + * @author Igor Wronsky + */ +#include "platform.h" +#include "gnunet_fs_service.h" + +static int ret; + +static 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, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + GNUNET_FS_stop (ctx); + ctx = NULL; +} + + +static void +shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) +{ + struct GNUNET_FS_UnindexContext *u; + + if (uc != NULL) + { + u = uc; + uc = NULL; + GNUNET_FS_unindex_stop (u); + } +} + +/** + * Called by FS client to give information about the progress of an + * operation. + * + * @param cls closure + * @param info details about the event, specifying the event type + * and various bits about the event + * @return client-context (for the next progress call + * for this operation; should be set to NULL for + * SUSPEND and STOPPED events). The value returned + * will be passed to future callbacks in the respective + * field in the GNUNET_FS_ProgressInfo struct. + */ +static void * +progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info) +{ + 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); + FPRINTF (stdout, _("Unindexing at %llu/%llu (%s remaining)\n"), + (unsigned long long) info->value.unindex.completed, + (unsigned long long) info->value.unindex.size, s); + GNUNET_free (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_continuation (&cleanup_task, NULL, + GNUNET_SCHEDULER_REASON_PREREQ_DONE); + break; + default: + FPRINTF (stderr, _("Unexpected status: %d\n"), info->status); + break; + } + return NULL; +} + + +/** + * 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 c configuration + */ +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_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task, + NULL); +} + + +/** + * The main function to unindex content. + * + * @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 const struct GNUNET_GETOPT_CommandLineOption options[] = { + {'V', "verbose", NULL, + gettext_noop ("be verbose (print progress information)"), + 0, &GNUNET_GETOPT_set_one, &verbose}, + GNUNET_GETOPT_OPTION_END + }; + return (GNUNET_OK == + GNUNET_PROGRAM_run (argc, argv, "gnunet-unindex [OPTIONS] FILENAME", + gettext_noop + ("Unindex a file that was previously indexed with gnunet-publish."), + options, &run, NULL)) ? ret : 1; +} + +/* end of gnunet-unindex.c */ |