2 This file is part of GNUnet.
3 (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 2, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file fs/gnunet-download.c
22 * @brief downloading for files on GNUnet
23 * @author Christian Grothoff
24 * @author Krista Bennett
25 * @author James Blackwell
26 * @author Igor Wronsky
29 * - many command-line options
32 #include "gnunet_fs_service.h"
38 static int delete_incomplete;
40 static const struct GNUNET_CONFIGURATION_Handle *cfg;
42 static struct GNUNET_FS_Handle *ctx;
44 static struct GNUNET_FS_DownloadContext *dc;
46 static unsigned int anonymity = 1;
48 static char *filename;
51 * Called by FS client to give information about the progress of an
55 * @param info details about the event, specifying the event type
56 * and various bits about the event
57 * @return client-context (for the next progress call
58 * for this operation; should be set to NULL for
59 * SUSPEND and STOPPED events). The value returned
60 * will be passed to future callbacks in the respective
61 * field in the GNUNET_FS_ProgressInfo struct.
64 progress_cb (void *cls,
65 const struct GNUNET_FS_ProgressInfo *info)
69 case GNUNET_FS_STATUS_DOWNLOAD_START:
71 case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
74 _("Downloading `%s' at %llu/%llu (%s remaining, %s/s)\n"),
75 info->value.download.filename,
76 (unsigned long long) info->value.download.completed,
77 (unsigned long long) info->value.download.length,
78 GNUNET_STRINGS_relative_time_to_string(info->value.download.eta),
79 GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.value + 1)));
81 case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
83 _("Error downloading: %s.\n"),
84 info->value.download.specifics.error.message);
85 GNUNET_FS_file_download_stop (dc, delete_incomplete);
87 case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
89 _("Downloading `%s' done (%s/s).\n"),
90 info->value.download.filename,
91 GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.value + 1)));
92 if (info->value.download.dc == dc)
93 GNUNET_FS_file_download_stop (dc, delete_incomplete);
95 case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
96 if (info->value.download.dc == dc)
101 _("Unexpected status: %d\n"),
110 * Main function that will be run by the scheduler.
113 * @param sched the scheduler to use
114 * @param args remaining command-line arguments
115 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
116 * @param cfg configuration
120 struct GNUNET_SCHEDULER_Handle *sched,
123 const struct GNUNET_CONFIGURATION_Handle *c)
125 struct GNUNET_FS_Uri *uri;
127 enum GNUNET_FS_DownloadOptions options;
129 /* FIXME: check arguments */
130 uri = GNUNET_FS_uri_parse (args[0],
135 _("Failed to parse URI: %s\n"),
141 if (! GNUNET_FS_uri_test_chk (uri))
144 "Only CHK URIs supported right now.\n");
146 GNUNET_FS_uri_destroy (uri);
149 if (NULL == filename)
152 "Target filename must be specified.\n");
154 GNUNET_FS_uri_destroy (uri);
158 ctx = GNUNET_FS_start (sched,
163 GNUNET_FS_FLAGS_NONE,
164 GNUNET_FS_OPTIONS_END);
168 _("Could not initialize `%s' subsystem.\n"),
170 GNUNET_FS_uri_destroy (uri);
174 options = GNUNET_FS_DOWNLOAD_OPTION_NONE;
175 dc = GNUNET_FS_file_download_start (ctx,
180 GNUNET_FS_uri_chk_get_file_size (uri),
184 GNUNET_FS_uri_destroy (uri);
189 * gnunet-download command line options
191 static struct GNUNET_GETOPT_CommandLineOption options[] = {
192 {'a', "anonymity", "LEVEL",
193 gettext_noop ("set the desired LEVEL of receiver-anonymity"),
194 1, &GNUNET_GETOPT_set_uint, &anonymity},
197 {'d', "directory", NULL,
199 ("download a GNUnet directory that has already been downloaded. Requires that a filename of an existing file is specified instead of the URI. The download will only download the top-level files in the directory unless the `-R' option is also specified."),
200 0, &GNUNET_getopt_configure_set_one, &do_directory},
201 {'D', "delete-incomplete", NULL,
202 gettext_noop ("delete incomplete downloads (when aborted with CTRL-C)"),
203 0, &GNUNET_getopt_configure_set_one, &do_delete_incomplete},
205 {'o', "output", "FILENAME",
206 gettext_noop ("write the file to FILENAME"),
207 1, &GNUNET_GETOPT_set_string, &filename},
209 {'p', "parallelism", "DOWNLOADS",
211 ("set the maximum number of parallel downloads that are allowed"),
212 1, &GNUNET_getopt_configure_set_uint, ¶llelism},
213 {'R', "recursive", NULL,
214 gettext_noop ("download a GNUnet directory recursively"),
215 0, &GNUNET_getopt_configure_set_one, &do_recursive},
217 {'V', "verbose", NULL,
218 gettext_noop ("be verbose (print progress information)"),
219 0, &GNUNET_GETOPT_set_one, &verbose},
220 GNUNET_GETOPT_OPTION_END
225 * The main function to download GNUnet.
227 * @param argc number of arguments from the command line
228 * @param argv command line arguments
229 * @return 0 ok, 1 on error
232 main (int argc, char *const *argv)
235 GNUNET_PROGRAM_run (argc,
239 ("Download files from GNUnet."),
240 options, &run, NULL)) ? ret : 1;
243 /* end of gnunet-download.c */