/*
* 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.nio.ByteBuffer;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.logging.LogIDs;
import com.aelitis.azureus.core.networkmanager.TransportEndpoint;
import com.aelitis.azureus.core.networkmanager.impl.TransportHelperFilter;
import com.aelitis.azureus.core.networkmanager.impl.TransportImpl;
public class
UDPTransport
extends TransportImpl
{
private static final LogIDs LOGID = LogIDs.NET;
private ProtocolEndpointUDP endpoint;
private byte[][] shared_secrets;
private int transport_mode = TRANSPORT_MODE_NORMAL;
private volatile boolean closed;
protected
UDPTransport(
ProtocolEndpointUDP _endpoint,
byte[][] _shared_secrets )
{
endpoint = _endpoint;
shared_secrets = _shared_secrets;
}
protected
UDPTransport(
ProtocolEndpointUDP _endpoint,
TransportHelperFilter _filter )
{
endpoint = _endpoint;
setFilter( _filter );
}
public boolean
isTCP()
{
return( false );
}
public String
getProtocol()
{
return "UDP";
}
public TransportEndpoint
getTransportEndpoint()
{
return( new TransportEndpointUDP( endpoint ));
}
public int
getMssSize()
{
return( UDPNetworkManager.getUdpMssSize());
}
public String
getDescription()
{
return( endpoint.getAddress().toString());
}
public void
setTransportMode(
int mode )
{
transport_mode = mode;
}
public int
getTransportMode()
{
return( transport_mode );
}
public void
connectOutbound(
ByteBuffer initial_data,
final ConnectListener listener,
int priority )
{
if ( !UDPNetworkManager.UDP_OUTGOING_ENABLED ){
listener.connectFailure( new Throwable( "Outbound UDP connections disabled" ));
return;
}
if ( closed ){
listener.connectFailure( new Throwable( "Connection already closed" ));
return;
}
if( getFilter() != null ){
listener.connectFailure( new Throwable( "Already connected" ));
return;
}
if ( COConfigurationManager.getBooleanParameter( "Proxy.Data.Enable" )){
listener.connectFailure( new Throwable( "UDP proxy connection not supported" ));
return;
}
UDPConnectionManager con_man = UDPNetworkManager.getSingleton().getConnectionManager();
con_man.connectOutbound( this, endpoint.getAddress(), shared_secrets, initial_data, listener);
}
public void
close(
String reason )
{
closed = true;
readyForRead( false );
readyForWrite( false );
TransportHelperFilter filter = getFilter();
if ( filter != null ){
filter.getHelper().close( reason );
setFilter( null );
}
}
public boolean
isClosed()
{
return( closed );
}
}