--- a/src/main/java/jp/ac/u_ryukyu/treevnc/MyRfbProto.java	Fri Jun 27 17:20:24 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/MyRfbProto.java	Fri Jun 27 18:50:49 2014 +0900
@@ -2,11 +2,18 @@
 
 import java.io.IOException;
 import java.net.BindException;
+import java.net.InetAddress;
+import java.net.InterfaceAddress;
+import java.net.NetworkInterface;
 import java.net.ServerSocket;
 import java.net.Socket;
+import java.net.SocketAddress;
+import java.net.SocketException;
 import java.net.UnknownHostException;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
+import java.util.Enumeration;
+import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.zip.DataFormatException;
@@ -58,6 +65,7 @@
     private boolean hasViewer = false;
     private boolean reconnecting;
     private short reconnectingId;  // Change Server Request to id's node VNC server
+	private HashMap<NetworkInterface, TreeManagement> interfaces = new HashMap<NetworkInterface, TreeManagement>();
 
 
 	public MyRfbProto() {
@@ -276,6 +284,7 @@
                 servSock = new ServerSocket(port);
                 acceptPort = port;
                 myAddress = "127.0.0.1";
+                getNetworkInterfaces();
                 break;
             } catch (BindException e) {
                 port++;
@@ -687,5 +696,20 @@
 		return reconnectingId;
 	}
 
+	public void getNetworkInterfaces() throws SocketException {
+		for (Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces(); e.hasMoreElements();) {
+			NetworkInterface ni;
+			ni = e.nextElement();
+			if (ni.isUp() && ni.supportsMulticast() && !ni.isLoopback()) {
+				addNetworkInterface(ni, null);    			
+				System.out.println("Interfaces :" + ni.getName());
+			}
+		}
+	}
+
+	private void addNetworkInterface(NetworkInterface ni, TreeManagement treeManager) {
+		interfaces.put(ni, treeManager);
+	}
+
 	
 }