aria2/src/DiskAdaptorWriter.h

93 lines
2.9 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 --> */
#ifndef _D_DISK_ADAPTOR_WRITER_H_
#define _D_DISK_ADAPTOR_WRITER_H_
#include "DiskWriter.h"
#include "DiskAdaptor.h"
#include "FatalException.h"
class DiskAdaptorWriter : public DiskWriter {
private:
DiskAdaptorHandle diskAdaptor;
public:
DiskAdaptorWriter(const DiskAdaptorHandle& diskAdaptor):
diskAdaptor(diskAdaptor) {}
virtual ~DiskAdaptorWriter() {}
virtual void initAndOpenFile(const string& filename, int64_t totalLength = 0)
{
diskAdaptor->initAndOpenFile();
}
virtual void openFile(const string& filename, int64_t totalLength = 0)
{
diskAdaptor->openFile();
}
virtual void closeFile()
{
diskAdaptor->closeFile();
}
virtual void openExistingFile(const string& filename, int64_t totalLength = 0)
{
diskAdaptor->openExistingFile();
}
virtual void writeData(const char* data, int32_t len, int64_t position = 0)
{
diskAdaptor->writeData((const unsigned char*)data, len, position);
}
virtual int32_t readData(char* data, int32_t len, int64_t position)
{
return diskAdaptor->readData((unsigned char*)data, len, position);
}
virtual void truncate(int64_t length)
{
throw new FatalException("DiskAdaptorWriter::truncate() is not implemented yet.");
}
virtual int64_t size() const
{
return diskAdaptor->size();
}
};
#endif // _D_DISK_ADAPTOR_WRITER_H_