/*
* Created on 22 Jun 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.networkmanager.impl.udp;
import java.util.*;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.gudy.azureus2.core3.util.AEThread;
import org.gudy.azureus2.core3.util.SystemTime;
public class
NetworkGlueLoopBack
implements NetworkGlue
{
private int latency = 0;
private NetworkGlueListener listener;
private List message_queue = new ArrayList();
private Random random = new Random();
protected
NetworkGlueLoopBack(
NetworkGlueListener _listener )
{
listener = _listener;
new AEThread( "NetworkGlueLoopBack", true )
{
public void
runSupport()
{
while( true ){
try{
Thread.sleep(1);
}catch( Throwable e ){
}
InetSocketAddress target_address = null;
InetSocketAddress source_address = null;
byte[] data = null;
long now = SystemTime.getCurrentTime();
synchronized( message_queue ){
if ( message_queue.size() > 0 ){
Object[] entry = (Object[])message_queue.get(0);
if (((Long)entry[0]).longValue() < now ){
message_queue.remove(0);
source_address = (InetSocketAddress)entry[1];
target_address = (InetSocketAddress)entry[2];
data = (byte[])entry[3];
}
}
}
if ( source_address != null ){
listener.receive( target_address.getPort(), source_address, data, data.length );
}
}
}
}.start();
}
public int
send(
int local_port,
InetSocketAddress target,
byte[] data )
throws IOException
{
Long expires = new Long( SystemTime.getCurrentTime() + latency );
InetSocketAddress local_address = new InetSocketAddress( target.getAddress(), local_port );
synchronized( message_queue ){
if ( random.nextInt(4) != 9 ){
message_queue.add( new Object[]{ expires, local_address, target, data });
}
}
return( data.length );
}
public long[]
getStats()
{
return( new long[]{ 0,0,0,0 });
}
}