From 2e06fdad64d220897d0bd78cc10677fcfea7aebb Mon Sep 17 00:00:00 2001
From: Thiago Camargo <thiago@b35dd754-fafc-0310-a699-88a17e54d16e>
Date: Fri, 23 Mar 2007 03:54:46 +0000
Subject: [PATCH] Add Public IP Disco for STUN Services

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@7681 b35dd754-fafc-0310-a699-88a17e54d16e
---
 .../jivesoftware/smackx/jingle/nat/STUN.java  | 33 +++++++++++++++++++
 .../smackx/jingle/nat/STUNResolverTest.java   |  4 ++-
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/jingle/extension/source/org/jivesoftware/smackx/jingle/nat/STUN.java b/jingle/extension/source/org/jivesoftware/smackx/jingle/nat/STUN.java
index bab56abec..ff6418a59 100644
--- a/jingle/extension/source/org/jivesoftware/smackx/jingle/nat/STUN.java
+++ b/jingle/extension/source/org/jivesoftware/smackx/jingle/nat/STUN.java
@@ -35,6 +35,10 @@ import org.xmlpull.v1.XmlPullParser;
 import java.util.Iterator;
 import java.util.List;
 import java.util.ArrayList;
+import java.util.Enumeration;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.net.InetAddress;
 
 /**
  * STUN IQ Packet used to request and retrieve a STUN server and port to make p2p connections easier. STUN is usually used by Jingle Media Transmission between two parties that are behind NAT.
@@ -49,6 +53,8 @@ public class STUN extends IQ {
 
     private List<StunServerAddress> servers = new ArrayList<StunServerAddress>();
 
+    private String publicIp = null;
+
     /**
      * Element name of the packet extension.
      */
@@ -83,6 +89,24 @@ public class STUN extends IQ {
         return servers;
     }
 
+    /**
+     * Get Public Ip returned from the XMPP server
+     *
+     * @return
+     */
+    public String getPublicIp() {
+        return publicIp;
+    }
+
+    /**
+     * Set Public Ip returned from the XMPP server
+     *
+     * @param publicIp
+     */
+    private void setPublicIp(String publicIp) {
+        this.publicIp = publicIp;
+    }
+
     /**
      * Get the Child Element XML of the Packet
      *
@@ -138,6 +162,15 @@ public class STUN extends IQ {
                         if (host != null && port != null)
                             iq.servers.add(new StunServerAddress(host, port));
                     }
+                    else if (elementName.equals("publicip")) {
+                        String host = null;
+                        for (int i = 0; i < parser.getAttributeCount(); i++) {
+                            if (parser.getAttributeName(i).equals("ip"))
+                                host = parser.getAttributeValue(i);
+                        }
+                        if (host != null && !host.equals(""))
+                            iq.setPublicIp(host);
+                    }
                 }
                 else if (eventType == XmlPullParser.END_TAG) {
                     if (parser.getName().equals(ELEMENT_NAME)) {
diff --git a/jingle/extension/test/org/jivesoftware/smackx/jingle/nat/STUNResolverTest.java b/jingle/extension/test/org/jivesoftware/smackx/jingle/nat/STUNResolverTest.java
index e996ea1c0..90ec9f523 100644
--- a/jingle/extension/test/org/jivesoftware/smackx/jingle/nat/STUNResolverTest.java
+++ b/jingle/extension/test/org/jivesoftware/smackx/jingle/nat/STUNResolverTest.java
@@ -171,7 +171,9 @@ public class STUNResolverTest extends SmackTestCase {
         STUN stun = STUN.getSTUNServer(getConnection(0));
         for (STUN.StunServerAddress stunServerAddress : stun.getServers())
             System.out.println(stunServerAddress.getServer() + ":" + stunServerAddress.getPort());
-        
+
+        System.out.println(stun.getPublicIp());
+
     }
 
     /**