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 2, or (at your
+ 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
static struct GNUNET_FS_Handle *ctx;
-static struct GNUNET_SCHEDULER_Handle *sched;
-
static struct GNUNET_FS_DownloadContext *dc;
static unsigned int anonymity = 1;
static unsigned int parallelism = 16;
+static unsigned int request_parallelism = 4092;
+
static int do_recursive;
static char *filename;
+static int local_only;
+
static void
-cleanup_task (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+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)
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- 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 !WINDOWS
+ if (0 == isatty (1))
+ return;
+#else
+ if (FILE_TYPE_CHAR != GetFileType (GetStdHandle (STD_OUTPUT_HANDLE)))
+ return;
+#endif
+ 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
* field in the GNUNET_FS_ProgressInfo struct.
*/
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:
+ if (verbose > 1)
+ FPRINTF (stderr, _("Starting download `%s'.\n"),
+ info->value.download.filename);
+ break;
+ case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
+ if (verbose)
{
- 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.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:
- 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.value + 1));
- fprintf (stdout,
- _("Downloading `%s' done (%s/s).\n"),
- info->value.download.filename,
- s);
+ 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
+ == GNUNET_TIME_UNIT_FOREVER_REL.rel_value)
+ 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 + 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;
- 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 !WINDOWS
+ if (0 != isatty (1))
+ fprintf (stdout, "\n");
+#else
+ if (FILE_TYPE_CHAR == GetFileType (GetStdHandle (STD_OUTPUT_HANDLE)))
+ fprintf (stdout, "\n");
+#endif
+ 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 + 1));
+#if !WINDOWS
+ if (0 != isatty (1))
+ fprintf (stdout, "\n");
+#else
+ if (FILE_TYPE_CHAR == GetFileType (GetStdHandle (STD_OUTPUT_HANDLE)))
+ fprintf (stdout, "\n");
+#endif
+ 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_continuation (&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;
+ }
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,
+run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
struct GNUNET_FS_Uri *uri;
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_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;
- dc = GNUNET_FS_download_start (ctx,
- uri,
- NULL,
- filename,
- 0,
- GNUNET_FS_uri_chk_get_file_size (uri),
- anonymity,
- options,
- NULL,
- NULL);
+ 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);
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_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
+ NULL);
}
-/**
- * gnunet-download command line options
- */
-static 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},
- {'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 are allowed"),
- 1, &GNUNET_GETOPT_set_uint, ¶llelism},
- {'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
-};
-
-
/**
* The main function to download GNUnet.
*
int
main (int argc, char *const *argv)
{
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc,
- argv,
- "gnunet-download",
- gettext_noop
- ("Download files from GNUnet."),
- options, &run, NULL)) ? ret : 1;
+ 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)"),
+ 0, &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_increment_value, &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 */
-