mirror of https://github.com/aria2/aria2
169 lines
6.9 KiB
C++
169 lines
6.9 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "common.h"
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#include <iostream>
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#include <iterator>
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#include <algorithm>
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#include "SharedHandle.h"
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#include "a2io.h"
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#include "FeatureConfig.h"
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#ifdef ENABLE_MESSAGE_DIGEST
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# include "MessageDigest.h"
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#endif // ENABLE_MESSAGE_DIGEST
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#include "help_tags.h"
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#include "prefs.h"
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#include "fmt.h"
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#include "OptionParser.h"
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#include "OptionHandler.h"
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#include "util.h"
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namespace aria2 {
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void showVersion() {
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std::cout << PACKAGE << _(" version ") << PACKAGE_VERSION << "\n"
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<< "Copyright (C) 2006, 2013 Tatsuhiro Tsujikawa" << "\n"
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<< "\n"
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<<
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_("This program is free software; you can redistribute it and/or modify\n"
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"it under the terms of the GNU General Public License as published by\n"
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"the Free Software Foundation; either version 2 of the License, or\n"
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"(at your option) any later version.\n"
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"\n"
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"This program is distributed in the hope that it will be useful,\n"
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
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"GNU General Public License for more details.\n")
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<< "\n"
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<< _("** Configuration **") << "\n"
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<< _("Enabled Features") << ": "
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<< featureSummary() << "\n"
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#ifdef ENABLE_MESSAGE_DIGEST
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<< _("Hash Algorithms") << ": "
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<< MessageDigest::getSupportedHashTypeString() << "\n"
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#endif // ENABLE_MESSAGE_DIGEST
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<< _("Libraries") << ": "
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<< usedLibs() << "\n"
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<< "\n"
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<< fmt(_("Report bugs to %s"), PACKAGE_BUGREPORT) << "\n"
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<< _("Visit") << " " << PACKAGE_URL << std::endl;
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}
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void showUsage
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(const std::string& keyword,
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const SharedHandle<OptionParser>& oparser,
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const Console& out) {
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out->printf(_("Usage: aria2c [OPTIONS] [URI | MAGNET | TORRENT_FILE |"
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" METALINK_FILE]..."));
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out->printf("\n");
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if(keyword.empty()) {
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// Very short version of usage.
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out->printf(_("See 'aria2c -h'."));
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out->printf("\n");
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return;
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} else if(keyword[0] == '#') {
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std::vector<const OptionHandler*> handlers =
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keyword == STR_TAG_ALL ? oparser->findAll() :
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oparser->findByTag(idHelpTag(keyword.c_str()));
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if(keyword == STR_TAG_ALL) {
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out->printf(_("Printing all options."));
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} else {
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out->printf(_("Printing options tagged with '%s'."),
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keyword.c_str());
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out->printf("\n");
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out->printf(_("See 'aria2c -h#help' to know all available tags."));
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}
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out->printf("\n");
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out->printf(_("Options:"));
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out->printf("\n");
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for(std::vector<const OptionHandler*>::const_iterator i =
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handlers.begin(), eoi = handlers.end(); i != eoi; ++i) {
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write(out, *(*i));
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out->printf("\n");
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}
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} else {
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std::vector<const OptionHandler*> handlers =
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oparser->findByNameSubstring(keyword);
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if(!handlers.empty()) {
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out->printf(_("Printing options whose name includes '%s'."),
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keyword.c_str());
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out->printf("\n");
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out->printf(_("Options:"));
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out->printf("\n");
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for(std::vector<const OptionHandler*>::const_iterator i =
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handlers.begin(), eoi = handlers.end(); i != eoi; ++i) {
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write(out, *(*i));
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out->printf("\n");
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}
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} else {
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out->printf(_("No option matching with '%s'."),
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keyword.c_str());
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out->printf("\n");
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write(out, *oparser->find(PREF_HELP));
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}
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}
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if(keyword == strHelpTag(TAG_BASIC)) {
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out->printf("URI, MAGNET, TORRENT_FILE, METALINK_FILE:\n");
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out->printf(_(" You can specify multiple HTTP(S)/FTP URIs. Unless you specify -Z option, all\n"
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" URIs must point to the same file or downloading will fail."));
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out->printf("\n");
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out->printf(_(" You can also specify arbitrary number of BitTorrent Magnet URIs, torrent/\n"
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" metalink files stored in a local drive. Please note that they are always\n"
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" treated as a separate download."));
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out->printf("\n\n");
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out->printf(_(" You can specify both torrent file with -T option and URIs. By doing this,\n"
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" download a file from both torrent swarm and HTTP/FTP server at the same time,\n"
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" while the data from HTTP/FTP are uploaded to the torrent swarm. For single file\n"
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" torrents, URI can be a complete URI pointing to the resource or if URI ends\n"
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" with '/', 'name' in torrent file is added. For multi-file torrents, 'name' and\n"
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" 'path' in torrent are added to form a URI for each file."));
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out->printf("\n\n");
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out->printf(_(" Make sure that URI is quoted with single(\') or double(\") quotation if it\n"
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" contains \"&\" or any characters that have special meaning in shell."));
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out->printf("\n\n");
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out->printf(_("About the number of connections\n"
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" Since 1.10.0 release, aria2 uses 1 connection per host by default and has 20MiB\n"
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" segment size restriction. So whatever value you specify using -s option, it\n"
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" uses 1 connection per host. To make it behave like 1.9.x, use\n"
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" --max-connection-per-server=4 --min-split-size=1M.\n"
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"\n"));
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}
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out->printf(_("Refer to man page for more information."));
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out->printf("\n");
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}
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} // namespace aria2
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