/*
* Created on 24-Apr-2006
* Created by Paul Gardner
* Copyright (C) 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.netcoords;
import java.io.*;
public interface
DHTNetworkPosition
{
public static byte POSITION_TYPE_NONE = 0;
public static byte POSITION_TYPE_VIVALDI_V1 = 1;
//public static byte POSITION_TYPE_VIVALDI_V2 = 3; // was 2 but serialisation format changed to include header and 5-dimensions
//public static byte POSITION_TYPE_VIVALDI_V2 = 4; // staleness added
public static byte POSITION_TYPE_VIVALDI_V2 = 5; // another increment
public byte
getPositionType();
/**
* number of bytes on wire
* @return
*/
public int
getSerialisedSize();
/**
* @param other
* @return Float.NaN if no value available
*/
public float
estimateRTT(
DHTNetworkPosition other );
public void
update(
byte[] other_id,
DHTNetworkPosition other,
float rtt );
public boolean
isValid();
public void
serialise(
DataOutputStream os )
throws IOException;
}
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