mirror of https://github.com/aria2/aria2
106 lines
3.8 KiB
C++
106 lines
3.8 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) 2009 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 "UTMetadataPostDownloadHandler.h"
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#include "BDE.h"
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#include "bittorrent_helper.h"
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#include "RequestGroup.h"
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#include "download_helper.h"
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#include "RecoverableException.h"
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#include "A2STR.h"
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#include "DownloadContext.h"
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#include "Logger.h"
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#include "LogFactory.h"
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#include "util.h"
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#include "a2functional.h"
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#include "DiskAdaptor.h"
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#include "PieceStorage.h"
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#include "bencode.h"
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#include "message.h"
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#include "prefs.h"
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#include "Option.h"
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namespace aria2 {
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bool UTMetadataPostDownloadHandler::Criteria::match
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(const RequestGroup* requestGroup) const
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{
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SharedHandle<DownloadContext> dctx =
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requestGroup->getDownloadContext();
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if(dctx->hasAttribute(bittorrent::BITTORRENT)) {
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const BDE& attrs = dctx->getAttribute(bittorrent::BITTORRENT);
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if(!attrs.containsKey(bittorrent::METADATA)) {
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return true;
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}
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}
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return false;
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}
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UTMetadataPostDownloadHandler::UTMetadataPostDownloadHandler():
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_logger(LogFactory::getInstance())
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{
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setCriteria(SharedHandle<Criteria>(new Criteria()));
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}
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void UTMetadataPostDownloadHandler::getNextRequestGroups
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(std::vector<SharedHandle<RequestGroup> >& groups, RequestGroup* requestGroup)
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{
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SharedHandle<DownloadContext> dctx = requestGroup->getDownloadContext();
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const BDE& attrs = dctx->getAttribute(bittorrent::BITTORRENT);
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std::string metadata =
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util::toString(requestGroup->getPieceStorage()->getDiskAdaptor());
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std::string torrent = bittorrent::metadata2Torrent(metadata, attrs);
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if(requestGroup->getOption()->getAsBool(PREF_BT_SAVE_METADATA)) {
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std::string filename =
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util::applyDir(requestGroup->getOption()->get(PREF_DIR),
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util::toHex(attrs[bittorrent::INFO_HASH].s())+".torrent");
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if(util::saveAs(filename, torrent)) {
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_logger->notice(MSG_METADATA_SAVED, filename.c_str());
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} else {
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_logger->notice(MSG_METADATA_NOT_SAVED, filename.c_str());
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}
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}
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if(!requestGroup->getOption()->getAsBool(PREF_BT_METADATA_ONLY)) {
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std::vector<SharedHandle<RequestGroup> > newRgs;
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createRequestGroupForBitTorrent(newRgs, requestGroup->getOption(),
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std::vector<std::string>(), torrent);
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requestGroup->followedBy(newRgs.begin(), newRgs.end());
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groups.insert(groups.end(), newRgs.begin(), newRgs.end());
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}
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}
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} // namespace aria2
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