/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jclouds.virtualbox.functions;
import static org.virtualbox_4_2.NetworkAttachmentType.NAT;
import org.jclouds.virtualbox.domain.NetworkInterfaceCard;
import org.jclouds.virtualbox.domain.RedirectRule;
import org.virtualbox_4_2.IMachine;
import org.virtualbox_4_2.INetworkAdapter;
import org.virtualbox_4_2.VBoxException;
import com.google.common.base.Function;
import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
/**
* @author Mattias Holmqvist, Andrea Turli
*/
public class AttachNATAdapterToMachineIfNotAlreadyExists implements Function<IMachine, Void> {
private NetworkInterfaceCard networkInterfaceCard;
public AttachNATAdapterToMachineIfNotAlreadyExists(NetworkInterfaceCard networkInterfaceCard) {
this.networkInterfaceCard = networkInterfaceCard;
}
@Override
public Void apply(IMachine machine) {
INetworkAdapter iNetworkAdapter = machine.getNetworkAdapter(networkInterfaceCard.getSlot());
// clean up previously set rules
for (String redirectRule : iNetworkAdapter.getNATEngine().getRedirects()) {
String redirectRuleName = Iterables.getFirst(Splitter.on(",").split(redirectRule), null);
if(redirectRuleName != null) {
iNetworkAdapter.getNATEngine().removeRedirect(redirectRuleName);
}
}
iNetworkAdapter.setAttachmentType(NAT);
for (RedirectRule rule : networkInterfaceCard.getNetworkAdapter().getRedirectRules()) {
try {
String ruleName = String.format("%s@%s:%s->%s:%s",rule.getProtocol(), rule.getHost(), rule.getHostPort(),
rule.getGuest(), rule.getGuestPort());
iNetworkAdapter.getNATEngine().addRedirect(ruleName, rule.getProtocol(), rule.getHost(), rule.getHostPort(),
rule.getGuest(), rule.getGuestPort());
} catch (VBoxException e) {
if (!e.getMessage().contains("already exists"))
throw e;
}
}
iNetworkAdapter.setEnabled(networkInterfaceCard.isEnabled());
machine.saveSettings();
return null;
}
}