# HG changeset patch
# User oc
# Date 1418022564 -32400
# Node ID 4075f68f1c910d8a6009be892249c0080b7ebee1
# Parent  7d8f45cadd89572a5ecc638b7d603aa437f50b8e
add joinGroup IPv6 and IPv4 adderss version.

diff -r 7d8f45cadd89 -r 4075f68f1c91 src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java	Mon Dec 08 04:48:23 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java	Mon Dec 08 16:09:24 2014 +0900
@@ -9,7 +9,10 @@
 import com.glavsoft.viewer.swing.ConnectionParams;
 
 public class TreeRootFinderListener implements Runnable {
-	public static final String McastAddr = "FF02::1";
+    public static final String Ipv4McastAddr = "224.0.0.1";
+    public static final String Ipv6McastAddr = "FF02::1";
+    public static String McastAddr = Ipv4McastAddr;
+
 	static final int BufSize = 1024;
 	private boolean stopFlag = false;
 	private ViewerInterface vps;
@@ -27,10 +30,14 @@
 	private void replyToRootSearchMulticast() {
 		byte[] buf = new byte[BufSize];
 		try {
-			InetAddress mAddr = InetAddress.getByName(McastAddr);
 			soc = new MulticastSocket(ConnectionParams.DEFAULT_VNC_ROOT_FINDER);
-            SocketAddress socAdd = new InetSocketAddress(mAddr, 5900);
-            soc.joinGroup(socAdd, null);
+            try {
+                soc.joinGroup(InetAddress.getByName(McastAddr));
+            } catch (SocketException e) {
+                soc.joinGroup(InetAddress.getByName(Ipv6McastAddr));
+                McastAddr = Ipv6McastAddr;
+            }
+
             DatagramPacket recvPacket = new DatagramPacket(buf, BufSize);
             while (!stopFlag) {
 				soc.receive(recvPacket);
diff -r 7d8f45cadd89 -r 4075f68f1c91 src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java	Mon Dec 08 04:48:23 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java	Mon Dec 08 16:09:24 2014 +0900
@@ -100,7 +100,7 @@
          * initial connection of RFB protocol
          */
         InetAddress adr = connection.getLocalAddress();
-        String myHostAddress =adr .getHostAddress();
+        String myHostAddress = adr.getHostAddress();
         String intf = NetworkInterface.getByInetAddress(adr).getName();
         sendRfbVersion(os);
         byte[] b;