/*
* File : DiskManager.java
* Created : 22-Mar-2004
* By : parg
*
* Azureus - a Java Bittorrent client
*
* 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.
*
* 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 ( see the LICENSE file ).
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.gudy.azureus2.plugins.disk;
import org.gudy.azureus2.plugins.utils.PooledByteBuffer;
/**
* @author parg
*
*/
public interface
DiskManager
{
public static final int BLOCK_SIZE = 16384;
public DiskManagerReadRequest
read(
int piece_number,
int offset,
int length,
DiskManagerReadRequestListener listener )
throws DiskManagerException;
/**
* Data length has to be consistent with block layout of the piece and piece size
* @param piece_number
* @param offset
* @param data
* @param listener
* @return
* @throws DiskManagerException
*/
public DiskManagerWriteRequest
write(
int piece_number,
int offset,
PooledByteBuffer data,
DiskManagerWriteRequestListener listener )
throws DiskManagerException;
}