aria2/src/FileAllocationEntry.cc

82 lines
2.7 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 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 "FileAllocationEntry.h"
#include "FileAllocationIterator.h"
#include "DownloadEngine.h"
#include "RequestGroup.h"
#include "PieceStorage.h"
#include "DiskAdaptor.h"
namespace aria2 {
FileAllocationEntry::FileAllocationEntry(RequestGroup* requestGroup, Command* nextCommand):
RequestGroupEntry(requestGroup, nextCommand),
fileAllocationIterator_(requestGroup->getPieceStorage()->getDiskAdaptor()->fileAllocationIterator())
{
getRequestGroup()->getPieceStorage()->getDiskAdaptor()->enableDirectIO();
}
FileAllocationEntry:: ~FileAllocationEntry()
{
getRequestGroup()->getPieceStorage()->getDiskAdaptor()->disableDirectIO();
}
off_t FileAllocationEntry::getCurrentLength()
{
return fileAllocationIterator_->getCurrentLength();
}
uint64_t FileAllocationEntry::getTotalLength()
{
return fileAllocationIterator_->getTotalLength();
}
bool FileAllocationEntry::finished()
{
return fileAllocationIterator_->finished();
}
void FileAllocationEntry::allocateChunk()
{
fileAllocationIterator_->allocateChunk();
}
void FileAllocationEntry::disableDirectIO()
{
getRequestGroup()->getPieceStorage()->getDiskAdaptor()->disableDirectIO();
}
} // namespace aria2