CHanged ip to local ip because port forwarding may be subjective to change.

racevisionGame/src/main/java/visualiser/network/HttpMatchBrowserClient.java

@@ -27,7 +27,8 @@ public class HttpMatchBrowserClient extends Thread {
 
                 for (int i = 0; i < cons.length(); i++) {
                     JSONObject con = (JSONObject) cons.get(i);
-                    connections.add(new RaceConnection((String) con.get("ip_address"), con.getInt("port"), "Boat Game"));
+                    //using "ip_address" will give their public ip
+                    connections.add(new RaceConnection((String) con.get("local_ip"), con.getInt("port"), "Boat Game"));
                 }
 
                 Thread.sleep(5000);

racevisionGame/src/main/java/visualiser/network/HttpMatchBrowserHost.java

@@ -13,7 +13,10 @@ import org.apache.http.message.BasicNameValuePair;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.UnsupportedEncodingException;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
 import java.util.ArrayList;
+import java.util.Enumeration;
 import java.util.List;
 
 /**
@@ -35,8 +38,32 @@ public class HttpMatchBrowserHost extends Thread {
         httpMatchBrowserHost = this;
         httpClient = HttpClients.createDefault();
 
+        Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();
+        int count = 0;
+        String ip = "";
+        while(e.hasMoreElements())
+        {
+            if (count > 3){
+                break;
+            }
+            NetworkInterface n = (NetworkInterface) e.nextElement();
+            Enumeration<InetAddress> ee = n.getInetAddresses();
+            while (ee.hasMoreElements())
+            {
+                InetAddress i = ee.nextElement();
+                if (count == 3){
+                    ip = i.getHostAddress();
+                    System.out.println(ip);
+                    count++;
+                    break;
+                }
+                count++;
+            }
+        }
+
         // Request parameters and other properties.
         params = new ArrayList<>(2);
+        params.add(new BasicNameValuePair("ip", ip));
         params.add(new BasicNameValuePair("port", "4942"));
         params.add(new BasicNameValuePair("magic", "Thomas and Seng"));