/*
* Created on 17 Sep 2007
* Created by Allan Crooks
* Copyright (C) 2007 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 com.aelitis.azureus.core.peermanager.messaging.bittorrent;
import org.gudy.azureus2.core3.util.DirectByteBuffer;
import org.gudy.azureus2.core3.util.DirectByteBufferPool;
import com.aelitis.azureus.core.peermanager.messaging.Message;
import com.aelitis.azureus.core.peermanager.messaging.MessageException;
/**
* @author Allan Crooks
*
*/
public class BTLTMessage implements BTMessage {
public byte extension_id;
public Message base_message;
public DirectByteBuffer buffer_header;
public BTLTMessage(Message base_message, byte extension_id) {
this.base_message = base_message;
this.extension_id = extension_id;
}
// This class should not be used for deserialisation!
public Message deserialize(DirectByteBuffer data, byte version) throws MessageException {
throw new MessageException("BTLTMessage cannot be used for message deserialization!");
}
public void destroy() {
if (base_message != null) {base_message.destroy();}
if (buffer_header != null) {
buffer_header.returnToPool();
buffer_header = null;
}
}
public DirectByteBuffer[] getData() {
DirectByteBuffer[] orig_data = this.base_message.getData();
DirectByteBuffer[] new_data = new DirectByteBuffer[orig_data.length + 1];
if (buffer_header == null ) {
buffer_header = DirectByteBufferPool.getBuffer(DirectByteBuffer.AL_MSG_LT_EXT_MESSAGE, 1);
buffer_header.put(DirectByteBuffer.SS_MSG, this.extension_id);
buffer_header.flip(DirectByteBuffer.SS_MSG);
}
new_data[0] = buffer_header;
System.arraycopy(orig_data, 0, new_data, 1, orig_data.length);
return new_data;
}
public String getDescription() {
return base_message.getDescription();
}
public String getFeatureID() {
return base_message.getFeatureID();
}
public int getFeatureSubID() {
return base_message.getFeatureSubID();
}
public String getID() {
return BTMessage.ID_BT_LT_EXT_MESSAGE;
}
public byte[] getIDBytes() {
return BTMessage.ID_BT_LT_EXT_MESSAGE_BYTES;
}
public int getType() {
return Message.TYPE_PROTOCOL_PAYLOAD;
}
public byte getVersion() {
return 0;
}
}