2007-03-03 06:20:17 +01:00
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/**
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2008-05-20 00:54:19 +02:00
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* $RCSfile: BasicResolver.java,v $
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* $Revision: 1.1 $
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* $Date: 2007/07/02 17:41:07 $
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2007-03-03 06:20:17 +01:00
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*
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* Copyright 2003-2005 Jive Software.
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*
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2007-01-04 18:25:30 +01:00
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package org.jivesoftware.smackx.jingle.nat;
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import org.jivesoftware.smack.XMPPException;
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2007-03-12 04:25:06 +01:00
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import org.jivesoftware.smackx.jingle.JingleSession;
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2007-01-04 18:25:30 +01:00
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.util.Enumeration;
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/**
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* Basic Resolver takes all IP addresses of the interfaces and uses the
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* first non-loopback address.
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* A very simple and easy to use resolver.
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*/
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public class BasicResolver extends TransportResolver {
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/**
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* Constructor.
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*/
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public BasicResolver() {
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super();
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}
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/**
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* Resolve the IP address.
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* <p/>
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* The BasicResolver takes the IP addresses of the interfaces and uses the
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* first non-loopback, non-linklocal and non-sitelocal address.
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*/
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2007-03-12 04:25:06 +01:00
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public synchronized void resolve(JingleSession session) throws XMPPException {
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2007-01-04 18:25:30 +01:00
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setResolveInit();
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clearCandidates();
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Enumeration ifaces = null;
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try {
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ifaces = NetworkInterface.getNetworkInterfaces();
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} catch (SocketException e) {
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e.printStackTrace();
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}
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while (ifaces.hasMoreElements()) {
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NetworkInterface iface = (NetworkInterface) ifaces.nextElement();
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Enumeration iaddresses = iface.getInetAddresses();
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while (iaddresses.hasMoreElements()) {
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InetAddress iaddress = (InetAddress) iaddresses.nextElement();
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if (!iaddress.isLoopbackAddress() && !iaddress.isLinkLocalAddress() && !iaddress.isSiteLocalAddress()) {
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TransportCandidate tr = new TransportCandidate.Fixed(iaddress.getHostAddress() != null ? iaddress.getHostAddress() : iaddress.getHostName(), getFreePort());
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tr.setLocalIp(iaddress.getHostAddress() != null ? iaddress.getHostAddress() : iaddress.getHostName());
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addCandidate(tr);
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setResolveEnd();
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return;
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}
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}
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}
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try {
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ifaces = NetworkInterface.getNetworkInterfaces();
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} catch (SocketException e) {
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e.printStackTrace();
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}
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while (ifaces.hasMoreElements()) {
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NetworkInterface iface = (NetworkInterface) ifaces.nextElement();
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Enumeration iaddresses = iface.getInetAddresses();
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while (iaddresses.hasMoreElements()) {
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InetAddress iaddress = (InetAddress) iaddresses.nextElement();
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if (!iaddress.isLoopbackAddress() && !iaddress.isLinkLocalAddress()) {
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TransportCandidate tr = new TransportCandidate.Fixed(iaddress.getHostAddress() != null ? iaddress.getHostAddress() : iaddress.getHostName(), getFreePort());
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tr.setLocalIp(iaddress.getHostAddress() != null ? iaddress.getHostAddress() : iaddress.getHostName());
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addCandidate(tr);
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setResolveEnd();
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return;
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}
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}
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}
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try {
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TransportCandidate tr = new TransportCandidate.Fixed(InetAddress.getLocalHost().getHostAddress() != null ? InetAddress.getLocalHost().getHostAddress() : InetAddress.getLocalHost().getHostName(), getFreePort());
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tr.setLocalIp(InetAddress.getLocalHost().getHostAddress() != null ? InetAddress.getLocalHost().getHostAddress() : InetAddress.getLocalHost().getHostName());
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addCandidate(tr);
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} catch (Exception e) {
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e.printStackTrace();
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}
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setResolveEnd();
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}
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public void initialize() throws XMPPException {
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setInitialized();
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}
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public void cancel() throws XMPPException {
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// Nothing to do here
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}
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}
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