/*
* Created on Feb 11, 2005
* Created by Alon Rohter
* Copyright (C) 2004-2005 Aelitis, All Rights Reserved.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 46,603.30 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.plugins.network;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* Represents an underlying network transport.
*/
public interface Transport {
/**
* Read data from the transport into the given buffers.
* NOTE: Works like ScatteringByteChannel.
* @param buffers into which bytes are to be placed
* @param array_offset offset within the buffer array of the first buffer into which bytes are to be placed
* @param length maximum number of buffers to be accessed
* @return number of bytes read
* @throws IOException on read error
*/
public long read( ByteBuffer[] buffers, int array_offset, int length ) throws IOException;
/**
* Write data to the transport from the given buffers.
* NOTE: Works like GatheringByteChannel.
* @param buffers from which bytes are to be retrieved
* @param array_offset offset within the buffer array of the first buffer from which bytes are to be retrieved
* @param length maximum number of buffers to be accessed
* @return number of bytes written
* @throws IOException on write error
*/
public long write( ByteBuffer[] buffers, int array_offset, int length ) throws IOException;
/**
* @since 3.0.5.3
*/
// public void setFilter(TransportFilter filter) throws IOException;
}