/*
* Created on 21-Jan-2005
* Created by Paul Gardner
* Copyright (C) 2004, 2005, 2006 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.dht.transport.udp.impl;
import java.util.*;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import com.aelitis.azureus.core.dht.transport.udp.impl.packethandler.DHTUDPPacketNetworkHandler;
/**
* @author parg
*
*/
public class
DHTUDPPacketRequestQueryStorage
extends DHTUDPPacketRequest
{
protected static final int SPACE =
DHTUDPPacketHelper.PACKET_MAX_BYTES - DHTUDPPacketRequest.DHT_HEADER_SIZE - 3;
private int header_length;
private List<Object[]> keys;
public
DHTUDPPacketRequestQueryStorage(
DHTTransportUDPImpl _transport,
long _connection_id,
DHTTransportUDPContactImpl _local_contact,
DHTTransportUDPContactImpl _remote_contact )
{
super( _transport, DHTUDPPacketHelper.ACT_REQUEST_QUERY_STORE, _connection_id, _local_contact, _remote_contact );
}
protected
DHTUDPPacketRequestQueryStorage(
DHTUDPPacketNetworkHandler network_handler,
DataInputStream is,
long con_id,
int trans_id )
throws IOException
{
super( network_handler, is, DHTUDPPacketHelper.ACT_REQUEST_QUERY_STORE, con_id, trans_id );
header_length = is.readByte()&0xff;
int num_keys = is.readShort();
keys = new ArrayList<Object[]>( num_keys );
for (int i=0;i<num_keys;i++){
int prefix_length = is.readByte()&0xff;
byte[] prefix = new byte[prefix_length];
is.read( prefix );
short num_suffixes = is.readShort();
List<byte[]> suffixes = new ArrayList<byte[]>( num_suffixes );
keys.add( new Object[]{ prefix, suffixes });
int suffix_length = header_length - prefix_length;
for (int j=0;j<num_suffixes;j++){
byte[] suffix = new byte[ suffix_length ];
is.read( suffix );
suffixes.add( suffix );
}
}
super.postDeserialise(is);
}
public void
serialise(
DataOutputStream os )
throws IOException
{
super.serialise(os);
os.writeByte( header_length&0xff );
os.writeShort( keys.size());
// add anything here be sure to adjust the SPACE above
for ( Object[] entry: keys ){
byte[] prefix = (byte[])entry[0];
os.writeByte( prefix.length );
os.write( prefix );
List<byte[]> suffixes = (List<byte[]>)entry[1];
os.writeShort( suffixes.size());
for ( byte[] suffix: suffixes ){
os.write( suffix );
}
}
super.postSerialise( os );
}
protected void
setDetails(
int _header_length,
List<Object[]> _keys )
{
header_length = _header_length;
keys = _keys;
}
protected int
getHeaderLength()
{
return( header_length );
}
protected List<Object[]>
getKeys()
{
return( keys );
}
public String
getString()
{
return( super.getString());
}
}