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)
72 case GNUNET_FS_STATUS_DOWNLOAD_START:
74 case GNUNET_FS_STATUS_DOWNLOAD_PROGRESS:
77 s = GNUNET_STRINGS_relative_time_to_string(info->value.download.eta);
78 t = GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.value + 1));
80 _("Downloading `%s' at %llu/%llu (%s remaining, %s/s)\n"),
81 info->value.download.filename,
82 (unsigned long long) info->value.download.completed,
83 (unsigned long long) info->value.download.size,
90 case GNUNET_FS_STATUS_DOWNLOAD_ERROR:
92 _("Error downloading: %s.\n"),
93 info->value.download.specifics.error.message);
94 GNUNET_FS_download_stop (dc, delete_incomplete);
96 case GNUNET_FS_STATUS_DOWNLOAD_COMPLETED:
97 s = GNUNET_STRINGS_byte_size_fancy(info->value.download.completed * 1000 / (info->value.download.duration.value + 1));
99 _("Downloading `%s' done (%s/s).\n"),
100 info->value.download.filename,
103 if (info->value.download.dc == dc)
104 GNUNET_FS_download_stop (dc, delete_incomplete);
106 case GNUNET_FS_STATUS_DOWNLOAD_STOPPED:
107 if (info->value.download.dc == dc)
108 GNUNET_FS_stop (ctx);
112 _("Unexpected status: %d\n"),
121 * Main function that will be run by the scheduler.
124 * @param sched the scheduler to use
125 * @param args remaining command-line arguments
126 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
127 * @param c configuration
131 struct GNUNET_SCHEDULER_Handle *sched,
134 const struct GNUNET_CONFIGURATION_Handle *c)
136 struct GNUNET_FS_Uri *uri;
138 enum GNUNET_FS_DownloadOptions options;
140 /* FIXME: check arguments */
141 uri = GNUNET_FS_uri_parse (args[0],
146 _("Failed to parse URI: %s\n"),
152 if (! GNUNET_FS_uri_test_chk (uri))
155 "Only CHK URIs supported right now.\n");
157 GNUNET_FS_uri_destroy (uri);
160 if (NULL == filename)
163 "Target filename must be specified.\n");
165 GNUNET_FS_uri_destroy (uri);
169 ctx = GNUNET_FS_start (sched,
174 GNUNET_FS_FLAGS_NONE,
175 GNUNET_FS_OPTIONS_END);
179 _("Could not initialize `%s' subsystem.\n"),
181 GNUNET_FS_uri_destroy (uri);
185 options = GNUNET_FS_DOWNLOAD_OPTION_NONE;
186 dc = GNUNET_FS_download_start (ctx,
191 GNUNET_FS_uri_chk_get_file_size (uri),
196 GNUNET_FS_uri_destroy (uri);
201 * gnunet-download command line options
203 static struct GNUNET_GETOPT_CommandLineOption options[] = {
204 {'a', "anonymity", "LEVEL",
205 gettext_noop ("set the desired LEVEL of receiver-anonymity"),
206 1, &GNUNET_GETOPT_set_uint, &anonymity},
209 {'d', "directory", NULL,
211 ("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."),
212 0, &GNUNET_getopt_configure_set_one, &do_directory},
213 {'D', "delete-incomplete", NULL,
214 gettext_noop ("delete incomplete downloads (when aborted with CTRL-C)"),
215 0, &GNUNET_getopt_configure_set_one, &do_delete_incomplete},
217 {'o', "output", "FILENAME",
218 gettext_noop ("write the file to FILENAME"),
219 1, &GNUNET_GETOPT_set_string, &filename},
221 {'p', "parallelism", "DOWNLOADS",
223 ("set the maximum number of parallel downloads that are allowed"),
224 1, &GNUNET_getopt_configure_set_uint, ¶llelism},
225 {'R', "recursive", NULL,
226 gettext_noop ("download a GNUnet directory recursively"),
227 0, &GNUNET_getopt_configure_set_one, &do_recursive},
229 {'V', "verbose", NULL,
230 gettext_noop ("be verbose (print progress information)"),
231 0, &GNUNET_GETOPT_set_one, &verbose},
232 GNUNET_GETOPT_OPTION_END
237 * The main function to download GNUnet.
239 * @param argc number of arguments from the command line
240 * @param argv command line arguments
241 * @return 0 ok, 1 on error
244 main (int argc, char *const *argv)
247 GNUNET_PROGRAM_run (argc,
251 ("Download files from GNUnet."),
252 options, &run, NULL)) ? ret : 1;
255 /* end of gnunet-download.c */