/***************************************************************************
* Copyright (C) by Claudio Guidi *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library 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 Library 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. *
* *
* For details about the authors of this software, see the AUTHORS file. *
***************************************************************************/
package joliex.util;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;
import jolie.runtime.FaultException;
import jolie.runtime.JavaService;
import jolie.runtime.Value;
import jolie.runtime.ValueVector;
/**
*
* @author claudio
*/
public class NetworkService extends JavaService {
public Value getNetworkInterfaceNames( Value request )
throws FaultException {
Value response = Value.create();
ValueVector interfaces = response.getChildren( "interfaceName");
try {
Enumeration<NetworkInterface> list = NetworkInterface.getNetworkInterfaces();
int index = 0;
while (list.hasMoreElements()) {
NetworkInterface n = list.nextElement();
interfaces.get( index ).setValue( n.getName() );
index++;
}
} catch( SocketException e ) {
throw new FaultException( e );
}
return response;
}
public Value getIPAddresses( Value request )
throws FaultException {
Value response = Value.create();
try {
Enumeration<NetworkInterface> list = NetworkInterface.getNetworkInterfaces();
boolean found = false;
while (list.hasMoreElements()) {
NetworkInterface n = list.nextElement();
if ( n.getName().equals( request.getFirstChild("interfaceName").strValue())) {
found = true;
Enumeration<InetAddress> ad = n.getInetAddresses();
while( ad.hasMoreElements() ) {
InetAddress ia = ad.nextElement();
if ( ia.getHostName().contains( "." ) ) {
// it is an IP4 address
response.getFirstChild( "ip4").setValue( ia.getHostName() );
} else {
// it is an IP6
response.getFirstChild( "ip6").setValue( ia.getHostName() );
}
}
}
}
if ( !found ) {
throw new FaultException("InterfaceNotFound", new Exception() );
}
} catch( SocketException e ) {
throw new FaultException( e );
}
return response;
}
}