/*
This file is part of GNUnet.
- (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
+ 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 General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ 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
- General Public License for more details.
+ Affero 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.
-*/
+ 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
+ */
/**
* @file fs/gnunet-download.c
* @brief downloading for files on GNUnet
static int ret;
-static int verbose;
+static unsigned int verbose;
static int delete_incomplete;
static struct GNUNET_FS_Handle *ctx;
-static struct GNUNET_SCHEDULER_Handle *sched;
-
static struct GNUNET_FS_DownloadContext *dc;
static unsigned int anonymity = 1;
static int local_only;
+
static void
-cleanup_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+cleanup_task (void *cls)
{
GNUNET_FS_stop (ctx);
ctx = NULL;
static void
-shutdown_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+shutdown_task (void *cls)
{
- struct GNUNET_FS_DownloadContext *d;
+ if (NULL != dc)
+ {
+ GNUNET_FS_download_stop (dc, delete_incomplete);
+ dc = NULL;
+ }
+}
- if (dc != NULL)
- {
- d = dc;
- dc = NULL;
- GNUNET_FS_download_stop (d, delete_incomplete);
- }
+
+/**
+ * Display progress bar (if tty).
+ *
+ * @param x current position in the download
+ * @param n total size of the download
+ * @param w desired number of steps in the progress bar
+ */
+static void
+display_bar (unsigned long long x, unsigned long long n, unsigned int w)
+{
+ char buf[w + 20];
+ unsigned int p;
+ unsigned int endeq;
+ float ratio_complete;
+
+ if (0 == isatty (1))
+ return;
+ ratio_complete = x / (float) n;
+ endeq = ratio_complete * w;
+ GNUNET_snprintf (buf, sizeof(buf), "%3d%% [", (int) (ratio_complete * 100));
+ for (p = 0; p < endeq; p++)
+ strcat (buf, "=");
+ for (p = endeq; p < w; p++)
+ strcat (buf, " ");
+ strcat (buf, "]\r");
+ printf ("%s", buf);
+ fflush (stdout);
}
/**
- * Called by FS client to give information about the progress of an
+ * Called by FS client to give information about the progress of an
* operation.
*
* @param cls closure
* 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.
+ * field in the `struct GNUNET_FS_ProgressInfo`
*/
static void *
-progress_cb (void *cls,
- const struct GNUNET_FS_ProgressInfo *info)
+progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
{
char *s;
+ const char *s2;
char *t;
switch (info->status)
- {
- case GNUNET_FS_STATUS_DOWNLOAD_START:
- break;
- case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
- if (verbose)
- {
- s = GNUNET_STRINGS_relative_time_to_string(info->value.download.eta);
- t = GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000LL / (info->value.download.duration.rel_value + 1));
- fprintf (stdout,
- _("Downloading `%s' at %llu/%llu (%s remaining, %s/s)\n"),
- info->value.download.filename,
- (unsigned long long) info->value.download.completed,
- (unsigned long long) info->value.download.size,
- s,
- t);
- GNUNET_free (s);
- GNUNET_free (t);
- }
- break;
- case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
+ {
+ case GNUNET_FS_STATUS_DOWNLOAD_START:
+ if (verbose > 1)
fprintf (stderr,
- _("Error downloading: %s.\n"),
- info->value.download.specifics.error.message);
- GNUNET_SCHEDULER_shutdown (sched);
- break;
- case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
- s = GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.rel_value + 1));
- fprintf (stdout,
- _("Downloading `%s' done (%s/s).\n"),
- info->value.download.filename,
- s);
+ _ ("Starting download `%s'.\n"),
+ info->value.download.filename);
+ break;
+
+ case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
+ if (verbose)
+ {
+ s = GNUNET_strdup (
+ GNUNET_STRINGS_relative_time_to_string (info->value.download.eta,
+ GNUNET_YES));
+ if (info->value.download.specifics.progress.block_download_duration
+ .rel_value_us == GNUNET_TIME_UNIT_FOREVER_REL.rel_value_us)
+ s2 = _ ("<unknown time>");
+ else
+ s2 = GNUNET_STRINGS_relative_time_to_string (info->value.download
+ .specifics.progress
+ .block_download_duration,
+ GNUNET_YES);
+ t = GNUNET_STRINGS_byte_size_fancy (
+ info->value.download.completed * 1000LL
+ / (info->value.download.duration.rel_value_us + 1));
+ fprintf (
+ stdout,
+ _ (
+ "Downloading `%s' at %llu/%llu (%s remaining, %s/s). Block took %s to download\n"),
+ info->value.download.filename,
+ (unsigned long long) info->value.download.completed,
+ (unsigned long long) info->value.download.size,
+ s,
+ t,
+ s2);
GNUNET_free (s);
- if (info->value.download.dc == dc)
- GNUNET_SCHEDULER_shutdown (sched);
- break;
- case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
- if (info->value.download.dc == dc)
- GNUNET_SCHEDULER_add_continuation (sched,
- &cleanup_task,
- NULL,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
- break;
- case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
- case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
- break;
- default:
- fprintf (stderr,
- _("Unexpected status: %d\n"),
- info->status);
- break;
+ GNUNET_free (t);
}
+ else
+ {
+ display_bar (info->value.download.completed,
+ info->value.download.size,
+ 60);
+ }
+ break;
+
+ case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
+ if (0 != isatty (1))
+ fprintf (stdout, "\n");
+ fprintf (stderr,
+ _ ("Error downloading: %s.\n"),
+ info->value.download.specifics.error.message);
+ GNUNET_SCHEDULER_shutdown ();
+ break;
+
+ case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
+ s = GNUNET_STRINGS_byte_size_fancy (
+ info->value.download.completed * 1000
+ / (info->value.download.duration.rel_value_us + 1));
+ if (0 != isatty (1))
+ fprintf (stdout, "\n");
+ fprintf (stdout,
+ _ ("Downloading `%s' done (%s/s).\n"),
+ info->value.download.filename,
+ s);
+ GNUNET_free (s);
+ if (info->value.download.dc == dc)
+ GNUNET_SCHEDULER_shutdown ();
+ break;
+
+ case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
+ if (info->value.download.dc == dc)
+ GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
+ break;
+
+ case GNUNET_FS_STATUS_DOWNLOAD_ACTIVE:
+ case GNUNET_FS_STATUS_DOWNLOAD_INACTIVE:
+ 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 s the scheduler to use
* @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,
- struct GNUNET_SCHEDULER_Handle *s,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
char *emsg;
enum GNUNET_FS_DownloadOptions options;
- sched = s;
- uri = GNUNET_FS_uri_parse (args[0],
- &emsg);
+ if (NULL == args[0])
+ {
+ fprintf (stderr, "%s", _ ("You need to specify a URI argument.\n"));
+ return;
+ }
+ uri = GNUNET_FS_uri_parse (args[0], &emsg);
if (NULL == uri)
- {
- fprintf (stderr,
- _("Failed to parse URI: %s\n"),
- emsg);
- GNUNET_free (emsg);
- ret = 1;
- return;
- }
- if (! GNUNET_FS_uri_test_chk (uri))
- {
- fprintf (stderr,
- "Only CHK URIs supported right now.\n");
- ret = 1;
- GNUNET_FS_uri_destroy (uri);
- return;
- }
+ {
+ fprintf (stderr, _ ("Failed to parse URI: %s\n"), emsg);
+ GNUNET_free (emsg);
+ ret = 1;
+ return;
+ }
+ if ((! GNUNET_FS_uri_test_chk (uri)) && (! GNUNET_FS_uri_test_loc (uri)))
+ {
+ fprintf (stderr, "%s", _ ("Only CHK or LOC URIs supported.\n"));
+ ret = 1;
+ GNUNET_FS_uri_destroy (uri);
+ return;
+ }
if (NULL == filename)
- {
- fprintf (stderr,
- "Target filename must be specified.\n");
- ret = 1;
- GNUNET_FS_uri_destroy (uri);
- return;
- }
+ {
+ fprintf (stderr, "%s", _ ("Target filename must be specified.\n"));
+ ret = 1;
+ GNUNET_FS_uri_destroy (uri);
+ return;
+ }
cfg = c;
- ctx = GNUNET_FS_start (sched,
- cfg,
- "gnunet-download",
- &progress_cb,
- NULL,
- GNUNET_FS_FLAGS_NONE,
- GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM,
- parallelism,
- GNUNET_FS_OPTIONS_REQUEST_PARALLELISM,
- request_parallelism,
- GNUNET_FS_OPTIONS_END);
+ ctx = GNUNET_FS_start (cfg,
+ "gnunet-download",
+ &progress_cb,
+ NULL,
+ GNUNET_FS_FLAGS_NONE,
+ GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM,
+ parallelism,
+ GNUNET_FS_OPTIONS_REQUEST_PARALLELISM,
+ request_parallelism,
+ GNUNET_FS_OPTIONS_END);
if (NULL == ctx)
- {
- fprintf (stderr,
- _("Could not initialize `%s' subsystem.\n"),
- "FS");
- GNUNET_FS_uri_destroy (uri);
- ret = 1;
- return;
- }
+ {
+ fprintf (stderr, _ ("Could not initialize `%s' subsystem.\n"), "FS");
+ GNUNET_FS_uri_destroy (uri);
+ ret = 1;
+ return;
+ }
options = GNUNET_FS_DOWNLOAD_OPTION_NONE;
if (do_recursive)
options |= GNUNET_FS_DOWNLOAD_OPTION_RECURSIVE;
if (local_only)
options |= GNUNET_FS_DOWNLOAD_OPTION_LOOPBACK_ONLY;
dc = GNUNET_FS_download_start (ctx,
- uri,
- NULL,
- filename, NULL,
- 0,
- GNUNET_FS_uri_chk_get_file_size (uri),
- anonymity,
- options,
- NULL,
- NULL);
+ uri,
+ NULL,
+ filename,
+ NULL,
+ 0,
+ GNUNET_FS_uri_chk_get_file_size (uri),
+ anonymity,
+ options,
+ NULL,
+ NULL);
GNUNET_FS_uri_destroy (uri);
if (dc == NULL)
- {
- GNUNET_FS_stop (ctx);
- ctx = NULL;
- return;
- }
- GNUNET_SCHEDULER_add_delayed (sched,
- GNUNET_TIME_UNIT_FOREVER_REL,
- &shutdown_task,
- NULL);
+ {
+ GNUNET_FS_stop (ctx);
+ ctx = NULL;
+ return;
+ }
+ GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
}
int
main (int argc, char *const *argv)
{
- static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'a', "anonymity", "LEVEL",
- gettext_noop ("set the desired LEVEL of receiver-anonymity"),
- 1, &GNUNET_GETOPT_set_uint, &anonymity},
- {'D', "delete-incomplete", NULL,
- gettext_noop ("delete incomplete downloads (when aborted with CTRL-C)"),
- 0, &GNUNET_GETOPT_set_one, &delete_incomplete},
- {'n', "no-network", NULL,
- gettext_noop ("only search the local peer (no P2P network search)"),
- 1, &GNUNET_GETOPT_set_uint, &local_only},
- {'o', "output", "FILENAME",
- gettext_noop ("write the file to FILENAME"),
- 1, &GNUNET_GETOPT_set_string, &filename},
- {'p', "parallelism", "DOWNLOADS",
- gettext_noop
- ("set the maximum number of parallel downloads that is allowed"),
- 1, &GNUNET_GETOPT_set_uint, ¶llelism},
- {'r', "request-parallelism", "REQUESTS",
- gettext_noop
- ("set the maximum number of parallel requests for blocks that is allowed"),
- 1, &GNUNET_GETOPT_set_uint, &request_parallelism},
- {'R', "recursive", NULL,
- gettext_noop ("download a GNUnet directory recursively"),
- 0, &GNUNET_GETOPT_set_one, &do_recursive},
- {'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-download",
- gettext_noop
- ("Download files from GNUnet."),
- options, &run, NULL)) ? ret : 1;
+ struct GNUNET_GETOPT_CommandLineOption options[] =
+ { GNUNET_GETOPT_option_uint ('a',
+ "anonymity",
+ "LEVEL",
+ gettext_noop (
+ "set the desired LEVEL of receiver-anonymity"),
+ &anonymity),
+
+ GNUNET_GETOPT_option_flag (
+ 'D',
+ "delete-incomplete",
+ gettext_noop ("delete incomplete downloads (when aborted with CTRL-C)"),
+ &delete_incomplete),
+
+ GNUNET_GETOPT_option_flag (
+ 'n',
+ "no-network",
+ gettext_noop ("only search the local peer (no P2P network search)"),
+ &local_only),
+ GNUNET_GETOPT_option_string ('o',
+ "output",
+ "FILENAME",
+ gettext_noop ("write the file to FILENAME"),
+ &filename),
+ GNUNET_GETOPT_option_uint (
+ 'p',
+ "parallelism",
+ "DOWNLOADS",
+ gettext_noop (
+ "set the maximum number of parallel downloads that is allowed"),
+ ¶llelism),
+ GNUNET_GETOPT_option_uint (
+ 'r',
+ "request-parallelism",
+ "REQUESTS",
+ gettext_noop (
+ "set the maximum number of parallel requests for blocks that is allowed"),
+ &request_parallelism),
+ GNUNET_GETOPT_option_flag ('R',
+ "recursive",
+ gettext_noop (
+ "download a GNUnet directory recursively"),
+ &do_recursive),
+ GNUNET_GETOPT_option_increment_uint (
+ 'V',
+ "verbose",
+ gettext_noop ("be verbose (print progress information)"),
+ &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-download [OPTIONS] URI",
+ gettext_noop (
+ "Download files from GNUnet using a GNUnet CHK or LOC URI (gnunet://fs/chk/...)"),
+ options,
+ &run,
+ NULL))
+ ? ret
+ : 1;
+ GNUNET_free ((void *) argv);
+ return ret;
}
-/* end of gnunet-download.c */
+/* end of gnunet-download.c */
projects / oweals / gnunet.git / blobdiff