/**
* UPnP PortMapper - A tool for managing port forwardings via UPnP
* Copyright (C) 2015 Christoph Pirkl <christoph at users.sourceforge.net>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package org.chris.portmapper.model;
import java.util.HashMap;
import java.util.Map;
import net.sbbi.upnp.messages.ActionResponse;
/**
* This immutable class represents a port mapping / forwarding on a router.
*/
public class PortMapping implements Cloneable {
public static final String MAPPING_ENTRY_LEASE_DURATION = "NewLeaseDuration";
public static final String MAPPING_ENTRY_ENABLED = "NewEnabled";
public static final String MAPPING_ENTRY_REMOTE_HOST = "NewRemoteHost";
public static final String MAPPING_ENTRY_INTERNAL_CLIENT = "NewInternalClient";
public static final String MAPPING_ENTRY_PORT_MAPPING_DESCRIPTION = "NewPortMappingDescription";
public static final String MAPPING_ENTRY_PROTOCOL = "NewProtocol";
public static final String MAPPING_ENTRY_INTERNAL_PORT = "NewInternalPort";
public static final String MAPPING_ENTRY_EXTERNAL_PORT = "NewExternalPort";
private static final long DEFAULT_LEASE_DURATION = 0;
private final int externalPort;
private final Protocol protocol;
private final int internalPort;
private final String description;
private final String internalClient;
private final String remoteHost;
private final boolean enabled;
private final long leaseDuration;
public PortMapping(final Protocol protocol, final String remoteHost, final int externalPort,
final String internalClient, final int internalPort, final String description) {
this(protocol, remoteHost, externalPort, internalClient, internalPort, description, true,
DEFAULT_LEASE_DURATION);
}
public PortMapping(final Protocol protocol, final String remoteHost, final int externalPort,
final String internalClient, final int internalPort, final String description, final boolean enabled,
final long leaseDuration) {
this.protocol = protocol;
this.remoteHost = remoteHost;
this.externalPort = externalPort;
this.internalClient = internalClient;
this.internalPort = internalPort;
this.description = description;
this.enabled = enabled;
this.leaseDuration = leaseDuration;
}
private PortMapping(final ActionResponse response) {
final Map<String, String> values = new HashMap<>();
for (final Object argObj : response.getOutActionArgumentNames()) {
final String argName = (String) argObj;
values.put(argName, response.getOutActionArgumentValue(argName));
}
externalPort = Integer.parseInt(values.get(MAPPING_ENTRY_EXTERNAL_PORT));
internalPort = Integer.parseInt(values.get(MAPPING_ENTRY_INTERNAL_PORT));
final String protocolString = values.get(MAPPING_ENTRY_PROTOCOL);
protocol = (protocolString.equalsIgnoreCase("TCP") ? Protocol.TCP : Protocol.UDP);
description = values.get(MAPPING_ENTRY_PORT_MAPPING_DESCRIPTION);
internalClient = values.get(MAPPING_ENTRY_INTERNAL_CLIENT);
remoteHost = values.get(MAPPING_ENTRY_REMOTE_HOST);
final String enabledString = values.get(MAPPING_ENTRY_ENABLED);
enabled = enabledString != null && enabledString.equals("1");
leaseDuration = Long.parseLong(values.get(MAPPING_ENTRY_LEASE_DURATION));
}
public static PortMapping create(final ActionResponse response) {
final PortMapping mapping = new PortMapping(response);
return mapping;
}
/**
* @return the leaseDuration
*/
public long getLeaseDuration() {
return leaseDuration;
}
public int getExternalPort() {
return externalPort;
}
public Protocol getProtocol() {
return protocol;
}
public int getInternalPort() {
return internalPort;
}
public String getDescription() {
return description;
}
public String getInternalClient() {
return internalClient;
}
public String getRemoteHost() {
return remoteHost;
}
public boolean isEnabled() {
return enabled;
}
public String getCompleteDescription() {
final StringBuilder b = new StringBuilder();
b.append(protocol);
b.append(" ");
if (remoteHost != null) {
b.append(remoteHost);
}
b.append(":");
b.append(externalPort);
b.append(" -> ");
b.append(internalClient);
b.append(":");
b.append(internalPort);
b.append(" ");
b.append(enabled ? "enabled" : "not enabled");
b.append(" ");
b.append(description);
return b.toString();
}
@Override
public String toString() {
return description;
}
@Override
public Object clone() {
return new PortMapping(protocol, remoteHost, externalPort, internalClient, internalPort, description, enabled,
leaseDuration);
}
}