/*
* Created on 11-Oct-2004
* 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 org.gudy.azureus2.core3.util;
/**
* @author parg
*
*/
import java.util.*;
import org.gudy.azureus2.core3.logging.*;
public class
UnresolvableHostManager
{
// sometimes we need an IP address for a host in order to function (for example, when banning
// peers) but the name we have got a host is unresolvable (for whatever reason, e.g. its the
// name of an TOR hidden service). Here we map such hosts onto class E (i.e. experimental) IP
// addresses so things mainly work
protected static int next_address = 0xf0000000 + RandomUtils.nextInt(0x00ffffff);
protected static Map host_map = new HashMap();
public static int
getPseudoAddress(
String str )
{
synchronized( host_map ){
Integer res = (Integer)host_map.get(str);
if ( res == null ){
res = new Integer( next_address++ );
if (Logger.isEnabled())
Logger.log(new LogEvent(LogIDs.NET, "Allocated pseudo IP address '"
+ Integer.toHexString(res.intValue()) + "' for host '" + str
+ "'"));
host_map.put( str, res );
}
return( res.intValue());
}
}
public static boolean
isPseudoAddress(
String str )
{
synchronized( host_map ){
return( host_map.get(str) != null );
}
}
}