/*
 * Created on 21-Jan-2005
 * Created by Paul Gardner
 * Copyright (C) 2004 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, SARL au capital de 30,000 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */

package com.aelitis.azureus.core.dht.transport.udp;

import java.net.InetSocketAddress;

import com.aelitis.azureus.core.dht.transport.DHTTransport;
import com.aelitis.azureus.core.dht.transport.DHTTransportContact;
import com.aelitis.azureus.core.dht.transport.DHTTransportException;

/**
 * @author parg
 *
 */

public interface 
DHTTransportUDP
	extends DHTTransport
{
	public static final byte PROTOCOL_VERSION_2304					= 8;	

	public static final byte PROTOCOL_VERSION_MIN					= PROTOCOL_VERSION_2304;
	public static final byte PROTOCOL_VERSION_DIV_AND_CONT			= 6;
	public static final byte PROTOCOL_VERSION_ANTI_SPOOF			= 7;
	public static final byte PROTOCOL_VERSION_ENCRYPT_TT			= 8;	// refed from DDBase
	public static final byte PROTOCOL_VERSION_ANTI_SPOOF2			= 8;

		// we can't fix the originator position until a previous fix regarding the incorrect
		// use of a contact's version > sender's version is fixed. This will be done at 2.3.0.4
		// We can therefore only apply this fix after then
	
	public static final byte PROTOCOL_VERSION_FIX_ORIGINATOR		= 9;
	public static final byte PROTOCOL_VERSION_VIVALDI				= 10;
	public static final byte PROTOCOL_VERSION_REMOVE_DIST_ADD_VER	= 11;
	public static final byte PROTOCOL_VERSION_XFER_STATUS			= 12;
	
		// multiple networks reformats the requests and therefore needs the above fix to work
	
	public static final byte PROTOCOL_VERSION_NETWORKS				= PROTOCOL_VERSION_FIX_ORIGINATOR;
	
	public static final byte PROTOCOL_VERSION_MAIN					= PROTOCOL_VERSION_XFER_STATUS;	
	
	public static final byte PROTOCOL_VERSION_CVS					= PROTOCOL_VERSION_XFER_STATUS;

	public DHTTransportContact
	importContact(
		InetSocketAddress	address,
		byte				protocol_version )
	
		throws DHTTransportException;
}
