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/*
This file is part of Subsonic.
Subsonic 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 3 of the License, or
(at your option) any later version.
Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package net.sourceforge.subsonic.domain;
import com.hoodcomputing.natpmp.MapRequestMessage;
import com.hoodcomputing.natpmp.NatPmpDevice;
/**
* @author Sindre Mehus
* @version $Id$
*/
public class NATPMPRouter implements Router {
private final NatPmpDevice device;
private NATPMPRouter(NatPmpDevice device) {
this.device = device;
}
public static NATPMPRouter findRouter() {
try {
return new NATPMPRouter(new NatPmpDevice(false));
} catch (Exception x) {
return null;
}
}
public void addPortMapping(int externalPort, int internalPort, int leaseDuration) throws Exception {
// Use one week if lease duration is "forever".
if (leaseDuration == 0) {
leaseDuration = 7 * 24 * 3600;
}
MapRequestMessage map = new MapRequestMessage(true, internalPort, externalPort, leaseDuration, null);
device.enqueueMessage(map);
device.waitUntilQueueEmpty();
}
public void deletePortMapping(int externalPort, int internalPort) throws Exception {
MapRequestMessage map = new MapRequestMessage(true, internalPort, externalPort, 0, null);
device.enqueueMessage(map);
device.waitUntilQueueEmpty();
}
}
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