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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 "UTMetadataRequestFactory.h"
#include "PieceStorage.h"
#include "DownloadContext.h"
#include "Peer.h"
#include "BtMessageDispatcher.h"
#include "BtMessageFactory.h"
#include "UTMetadataRequestExtensionMessage.h"
#include "UTMetadataRequestTracker.h"
#include "BtMessage.h"
#include "LogFactory.h"
namespace aria2 {
UTMetadataRequestFactory::UTMetadataRequestFactory():
logger_(LogFactory::getInstance()) {}
void UTMetadataRequestFactory::create
(std::vector<SharedHandle<BtMessage> >& msgs, size_t num,
const SharedHandle<PieceStorage>& pieceStorage)
{
while(num) {
std::vector<size_t> metadataRequests = tracker_->getAllTrackedIndex();
SharedHandle<Piece> p =
pieceStorage->getMissingPiece(peer_, metadataRequests);
if(p.isNull()) {
if(logger_->debug()) {
logger_->debug("No ut_metadata piece is available to download.");
}
break;
}
--num;
if(logger_->debug()) {
logger_->debug("Creating ut_metadata request index=%lu",
static_cast<unsigned long>(p->getIndex()));
}
SharedHandle<UTMetadataRequestExtensionMessage> m
(new UTMetadataRequestExtensionMessage
(peer_->getExtensionMessageID("ut_metadata")));
m->setIndex(p->getIndex());
m->setDownloadContext(dctx_);
m->setBtMessageDispatcher(dispatcher_);
m->setBtMessageFactory(messageFactory_);
m->setPeer(peer_);
SharedHandle<BtMessage> msg = messageFactory_->createBtExtendedMessage(m);
msgs.push_back(msg);
tracker_->add(p->getIndex());
}
}
} // namespace aria2
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