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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2009 Tatsuhiro Tsujikawa
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "UTMetadataPostDownloadHandler.h"
#include "BDE.h"
#include "bittorrent_helper.h"
#include "RequestGroup.h"
#include "download_helper.h"
#include "RecoverableException.h"
#include "A2STR.h"
#include "DownloadContext.h"
#include "Logger.h"
#include "util.h"
#include "a2functional.h"
#include "DiskAdaptor.h"
#include "PieceStorage.h"
#include "bencode.h"
namespace aria2 {
bool UTMetadataPostDownloadHandler::Criteria::match
(const RequestGroup* requestGroup) const
{
SharedHandle<DownloadContext> dctx =
requestGroup->getDownloadContext();
if(dctx->hasAttribute(bittorrent::BITTORRENT)) {
const BDE& attrs = dctx->getAttribute(bittorrent::BITTORRENT);
if(!attrs.containsKey(bittorrent::METADATA)) {
return true;
}
}
return false;
}
UTMetadataPostDownloadHandler::UTMetadataPostDownloadHandler()
{
setCriteria(SharedHandle<Criteria>(new Criteria()));
}
void UTMetadataPostDownloadHandler::getNextRequestGroups
(std::deque<SharedHandle<RequestGroup> >& groups, RequestGroup* requestGroup)
{
SharedHandle<DownloadContext> dctx = requestGroup->getDownloadContext();
const BDE& attrs = dctx->getAttribute(bittorrent::BITTORRENT);
std::string metadata =
util::toString(requestGroup->getPieceStorage()->getDiskAdaptor());
std::string torrent = bittorrent::metadata2Torrent(metadata, attrs);
try {
std::deque<SharedHandle<RequestGroup> > newRgs;
createRequestGroupForBitTorrent(newRgs, requestGroup->getOption(),
std::deque<std::string>(), torrent);
groups.insert(groups.end(), newRgs.begin(), newRgs.end());
} catch(RecoverableException& e) {
_logger->error("Failed to parse BitTorrent metadata.", e);
}
}
} // namespace aria2
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