/*
* Created on 04-Jan-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 org.gudy.azureus2.core3.util;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URL;
import com.aelitis.azureus.core.AzureusCoreFactory;
import com.aelitis.azureus.core.instancemanager.AZInstanceManager;
import com.aelitis.azureus.core.proxy.AEProxyFactory;
public class
AddressUtils
{
public static final byte LAN_LOCAL_MAYBE = 0;
public static final byte LAN_LOCAL_YES = 1;
public static final byte LAN_LOCAL_NO = 2;
private static AZInstanceManager instance_manager;
public static URL
adjustURL(
URL url )
{
url = AEProxyFactory.getAddressMapper().internalise( url );
return( url );
}
public static InetSocketAddress
adjustDHTAddress(
InetSocketAddress address,
boolean ext_to_lan )
{
if ( instance_manager == null ){
try{
instance_manager = AzureusCoreFactory.getSingleton().getInstanceManager();
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
if ( instance_manager == null || !instance_manager.isInitialized()){
return( address );
}
InetSocketAddress adjusted_address;
if ( ext_to_lan ){
adjusted_address = instance_manager.getLANAddress( address, AZInstanceManager.AT_UDP_NON_DATA );
}else{
adjusted_address = instance_manager.getExternalAddress( address, AZInstanceManager.AT_UDP_NON_DATA );
}
if ( adjusted_address == null ){
adjusted_address = address;
}else{
// System.out.println( "adj: " + address + "/" + ext_to_lan + " -> " + adjusted_address );
}
return( adjusted_address );
}
public static byte
isLANLocalAddress(
InetSocketAddress socket_address )
{
InetAddress address = socket_address.getAddress();
return( isLANLocalAddress( address ));
}
public static byte
isLANLocalAddress(
InetAddress address )
{
// if someone passes us an unresolved address then handle sensibly
if ( address == null ){
return( LAN_LOCAL_NO );
}
if ( instance_manager == null ){
if ( AzureusCoreFactory.isCoreAvailable()){
try{
instance_manager = AzureusCoreFactory.getSingleton().getInstanceManager();
}catch( Throwable e ){
Debug.printStackTrace(e);
}
}
}
if ( instance_manager == null || !instance_manager.isInitialized()){
return( LAN_LOCAL_MAYBE );
}
return( instance_manager.isLANAddress( address )? LAN_LOCAL_YES:LAN_LOCAL_NO);
}
public static byte
isLANLocalAddress(
String address )
{
byte is_lan_local = LAN_LOCAL_MAYBE;
try {
is_lan_local = isLANLocalAddress( HostNameToIPResolver.syncResolve( address ));
}catch( Throwable t ){
t.printStackTrace();
}
return is_lan_local;
}
}
|