/*
* Created on 03-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 com.aelitis.azureus.core.instancemanager.impl;
import java.net.InetAddress;
import org.gudy.azureus2.core3.logging.LogAlert;
import org.gudy.azureus2.core3.logging.Logger;
import org.gudy.azureus2.core3.util.RandomUtils;
import com.aelitis.azureus.core.instancemanager.AZInstance;
import com.aelitis.azureus.core.instancemanager.AZInstanceManagerListener;
import com.aelitis.azureus.core.instancemanager.AZInstanceTracked;
public class
AZPortClashHandler
implements AZInstanceManagerListener
{
private AZInstance my_instance;
private int last_warned_tcp;
private int last_warned_udp;
private int last_warned_udp2;
protected
AZPortClashHandler(
AZInstanceManagerImpl inst_man )
{
my_instance = inst_man.getMyInstance();
inst_man.addListener( this );
}
protected void
check(
AZInstance instance )
{
if ( instance == my_instance ){
return;
}
InetAddress my_ext = my_instance.getExternalAddress();
InetAddress other_ext = instance.getExternalAddress();
if ( my_ext.isLoopbackAddress() ||
other_ext.isLoopbackAddress() ||
my_ext.equals( other_ext )){
String warning = null;
int my_tcp = my_instance.getTCPListenPort();
if ( my_tcp != 0 && my_tcp != last_warned_tcp && my_tcp == instance.getTCPListenPort()){
warning = "TCP " + my_tcp;
last_warned_tcp = my_tcp;
}
int my_udp = my_instance.getUDPListenPort();
int my_udp2 = my_instance.getUDPNonDataListenPort();
int other_udp = instance.getUDPListenPort();
int other_udp2 = instance.getUDPNonDataListenPort();
if ( my_udp != 0 && my_udp != last_warned_udp && ( my_udp == other_udp || my_udp == other_udp2 )){
warning = (warning==null?"":(warning + ", ")) + "UDP " + my_udp;
last_warned_udp = my_udp;
}
if ( my_udp != my_udp2 && my_udp2 != 0 && my_udp2 != last_warned_udp2 && ( my_udp2 == other_udp || my_udp2 == other_udp2 )){
warning = (warning==null?"":(warning + ", ")) + "UDP " + my_udp2;
last_warned_udp2 = my_udp2;
}
if ( warning != null ){
Logger.logTextResource(
new LogAlert(true, LogAlert.AT_WARNING,"azinstancehandler.alert.portclash"),
new String[]{
warning,
String.valueOf(RandomUtils.LISTEN_PORT_MIN ),
String.valueOf(RandomUtils.LISTEN_PORT_MAX)});
}
}
}
public void
instanceFound(
AZInstance instance )
{
check( instance );
}
public void
instanceChanged(
AZInstance instance )
{
check( instance );
}
public void
instanceLost(
AZInstance instance )
{
}
public void
instanceTracked(
AZInstanceTracked instance )
{
}
}