# HG changeset patch
# User Shinji KONO <kono@ie.u-ryukyu.ac.jp>
# Date 1465691018 -32400
# Node ID 9db8862ef200b14cde53529d111c0bd08733b115
# Parent  4ac83ab4be81667c87f4369b5d1f98d76f1a7916
remove unsed code in FindRoot

diff -r 4ac83ab4be81 -r 9db8862ef200 .idea/workspace.xml
--- a/.idea/workspace.xml	Sun Jun 12 09:06:53 2016 +0900
+++ b/.idea/workspace.xml	Sun Jun 12 09:23:38 2016 +0900
@@ -1,11 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="8c014d34-63b7-4e87-8d9c-e9f73c2c3803" name="Default" comment="">
-      <change type="DELETED" beforePath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/RequestSingleDisplaySize.java" afterPath="" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/client/ClientToServerMessage.java" afterPath="$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/client/ClientToServerMessage.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingViewerWindow.java" afterPath="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingViewerWindow.java" />
-      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java" afterPath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java" />
+    <list default="true" id="8c014d34-63b7-4e87-8d9c-e9f73c2c3803" name="Default" comment="remove unsed code in FindRoot&#10;">
+      <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java" afterPath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java" afterPath="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java" />
       <change type="MODIFICATION" beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
     </list>
@@ -48,8 +45,8 @@
       <file leaf-file-name="TreeRFBProto.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-23.733334">
-              <caret line="261" column="69" selection-start-line="261" selection-start-column="69" selection-end-line="261" selection-end-column="69" />
+            <state vertical-scroll-proportion="367.73334">
+              <caret line="94" column="26" selection-start-line="94" selection-start-column="26" selection-end-line="94" selection-end-column="26" />
               <folding>
                 <element signature="imports" expanded="true" />
                 <element signature="e#12298#12624#0" expanded="true" />
@@ -69,10 +66,10 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="SwingViewerWindow.java" pinned="false" current-in-tab="true">
+      <file leaf-file-name="SwingViewerWindow.java" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingViewerWindow.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="0.4284546">
+            <state vertical-scroll-proportion="0.0">
               <caret line="908" column="45" selection-start-line="908" selection-start-column="45" selection-end-line="908" selection-end-column="45" />
               <folding>
                 <element signature="e#0#45693#0" expanded="true" />
@@ -85,20 +82,20 @@
         <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java">
           <provider selected="true" editor-type-id="text-editor">
             <state vertical-scroll-proportion="0.0">
-              <caret line="39" column="19" selection-start-line="39" selection-start-column="19" selection-end-line="39" selection-end-column="19" />
+              <caret line="27" column="47" selection-start-line="27" selection-start-column="47" selection-end-line="27" selection-end-column="47" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="TreeRootFinderListener.java" pinned="false" current-in-tab="false">
+      <file leaf-file-name="TreeRootFinderListener.java" pinned="false" current-in-tab="true">
         <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state vertical-scroll-proportion="-19.266666">
-              <caret line="63" column="45" selection-start-line="63" selection-start-column="45" selection-end-line="63" selection-end-column="45" />
+            <state vertical-scroll-proportion="0.3846154">
+              <caret line="61" column="0" selection-start-line="61" selection-start-column="0" selection-end-line="61" selection-end-column="0" />
               <folding>
-                <element signature="e#3076#3077#0" expanded="true" />
-                <element signature="e#3098#3099#0" expanded="true" />
+                <element signature="e#2852#2853#0" expanded="true" />
+                <element signature="e#2874#2875#0" expanded="true" />
               </folding>
             </state>
           </provider>
@@ -108,26 +105,8 @@
         <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java">
           <provider selected="true" editor-type-id="text-editor">
             <state vertical-scroll-proportion="0.0">
-              <caret line="43" column="59" selection-start-line="43" selection-start-column="59" selection-end-line="43" selection-end-column="59" />
-              <folding>
-                <element signature="imports" expanded="false" />
-                <element signature="e#1886#1887#0" expanded="false" />
-                <element signature="e#1913#1914#0" expanded="false" />
-                <element signature="e#1941#1942#0" expanded="false" />
-                <element signature="e#1974#1975#0" expanded="false" />
-                <element signature="e#2009#2010#0" expanded="false" />
-                <element signature="e#2040#2041#0" expanded="false" />
-                <element signature="e#2073#2074#0" expanded="false" />
-                <element signature="e#2095#2096#0" expanded="false" />
-                <element signature="e#2127#2128#0" expanded="false" />
-                <element signature="e#2149#2150#0" expanded="false" />
-                <element signature="e#2185#2186#0" expanded="false" />
-                <element signature="e#2213#2214#0" expanded="false" />
-                <element signature="e#2248#2249#0" expanded="false" />
-                <element signature="e#2273#2274#0" expanded="false" />
-                <element signature="e#2312#2313#0" expanded="false" />
-                <element signature="e#2327#2328#0" expanded="false" />
-              </folding>
+              <caret line="24" column="32" selection-start-line="24" selection-start-column="32" selection-end-line="24" selection-end-column="32" />
+              <folding />
             </state>
           </provider>
         </entry>
@@ -439,11 +418,11 @@
         <option value="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingRfbConnectionWorker.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/protocol/state/InitState.java" />
         <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncRootSelectionPanel.java" />
-        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java" />
-        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java" />
         <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java" />
         <option value="$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingViewerWindow.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/client/ClientToServerMessage.java" />
+        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java" />
+        <option value="$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java" />
       </list>
     </option>
   </component>
@@ -1050,7 +1029,13 @@
       <option name="project" value="LOCAL" />
       <updated>1465652578794</updated>
     </task>
-    <option name="localTasksCounter" value="4" />
+    <task id="LOCAL-00004" summary="find our screen on fitScreen&#10;remove requestSingleScreenSize&#10;">
+      <created>1465690013153</created>
+      <option name="number" value="00004" />
+      <option name="project" value="LOCAL" />
+      <updated>1465690013153</updated>
+    </task>
+    <option name="localTasksCounter" value="5" />
     <servers />
   </component>
   <component name="TestHistory">
@@ -1067,7 +1052,7 @@
     <layout>
       <window_info id="Palette" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.32953984" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" weight="0.32908365" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Palette&#9;" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="7" side_tool="true" content_ui="tabs" />
       <window_info id="Application Servers" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" weight="0.33" sideWeight="0.5" order="8" side_tool="false" content_ui="tabs" />
@@ -1105,7 +1090,9 @@
   <component name="VcsManagerConfiguration">
     <MESSAGE value="trying to fix fitScreen" />
     <MESSAGE value="Multicast joins both ipv4 and ipv6 now." />
-    <option name="LAST_COMMIT_MESSAGE" value="Multicast joins both ipv4 and ipv6 now." />
+    <MESSAGE value="find our screen on fitScreen&#10;remove requestSingleScreenSize&#10;" />
+    <MESSAGE value="remove unsed code in FindRoot&#10;" />
+    <option name="LAST_COMMIT_MESSAGE" value="remove unsed code in FindRoot&#10;" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
@@ -1184,8 +1171,8 @@
         <state vertical-scroll-proportion="0.0">
           <caret line="0" column="0" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
           <folding>
-            <element signature="e#3076#3077#0" expanded="true" />
-            <element signature="e#3098#3099#0" expanded="true" />
+            <element signature="e#2852#2853#0" expanded="true" />
+            <element signature="e#2874#2875#0" expanded="true" />
           </folding>
         </state>
       </provider>
@@ -1202,25 +1189,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="43" column="59" selection-start-line="43" selection-start-column="59" selection-end-line="43" selection-end-column="59" />
-          <folding>
-            <element signature="imports" expanded="false" />
-            <element signature="e#1886#1887#0" expanded="false" />
-            <element signature="e#1913#1914#0" expanded="false" />
-            <element signature="e#1941#1942#0" expanded="false" />
-            <element signature="e#1974#1975#0" expanded="false" />
-            <element signature="e#2009#2010#0" expanded="false" />
-            <element signature="e#2040#2041#0" expanded="false" />
-            <element signature="e#2073#2074#0" expanded="false" />
-            <element signature="e#2095#2096#0" expanded="false" />
-            <element signature="e#2127#2128#0" expanded="false" />
-            <element signature="e#2149#2150#0" expanded="false" />
-            <element signature="e#2185#2186#0" expanded="false" />
-            <element signature="e#2213#2214#0" expanded="false" />
-            <element signature="e#2248#2249#0" expanded="false" />
-            <element signature="e#2273#2274#0" expanded="false" />
-            <element signature="e#2312#2313#0" expanded="false" />
-            <element signature="e#2327#2328#0" expanded="false" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
@@ -1248,6 +1217,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="31" column="26" selection-start-line="31" selection-start-column="26" selection-end-line="31" selection-end-column="26" />
+          <folding />
         </state>
       </provider>
     </entry>
@@ -1310,6 +1280,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.0">
           <caret line="31" column="26" selection-start-line="31" selection-start-column="26" selection-end-line="31" selection-end-column="26" />
+          <folding />
         </state>
       </provider>
     </entry>
@@ -1352,32 +1323,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="43" column="59" selection-start-line="43" selection-start-column="59" selection-end-line="43" selection-end-column="59" />
-          <folding>
-            <element signature="imports" expanded="false" />
-            <element signature="e#1886#1887#0" expanded="false" />
-            <element signature="e#1913#1914#0" expanded="false" />
-            <element signature="e#1941#1942#0" expanded="false" />
-            <element signature="e#1974#1975#0" expanded="false" />
-            <element signature="e#2009#2010#0" expanded="false" />
-            <element signature="e#2040#2041#0" expanded="false" />
-            <element signature="e#2073#2074#0" expanded="false" />
-            <element signature="e#2095#2096#0" expanded="false" />
-            <element signature="e#2127#2128#0" expanded="false" />
-            <element signature="e#2149#2150#0" expanded="false" />
-            <element signature="e#2185#2186#0" expanded="false" />
-            <element signature="e#2213#2214#0" expanded="false" />
-            <element signature="e#2248#2249#0" expanded="false" />
-            <element signature="e#2273#2274#0" expanded="false" />
-            <element signature="e#2312#2313#0" expanded="false" />
-            <element signature="e#2327#2328#0" expanded="false" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="jar:///Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/src.zip!/java/net/MulticastSocket.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.33278823">
@@ -1394,25 +1339,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-19.266666">
-          <caret line="63" column="45" selection-start-line="63" selection-start-column="45" selection-end-line="63" selection-end-column="45" />
-          <folding>
-            <element signature="e#3076#3077#0" expanded="true" />
-            <element signature="e#3098#3099#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="39" column="19" selection-start-line="39" selection-start-column="19" selection-end-line="39" selection-end-column="19" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommandChannelListener.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.04905969">
@@ -1429,18 +1355,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="-23.733334">
-          <caret line="261" column="69" selection-start-line="261" selection-start-column="69" selection-end-line="261" selection-end-column="69" />
-          <folding>
-            <element signature="imports" expanded="true" />
-            <element signature="e#12298#12624#0" expanded="true" />
-            <element signature="e#12623#12624#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncCommand.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.018541409">
@@ -1449,14 +1363,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncProtocol.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.0">
-          <caret line="83" column="37" selection-start-line="83" selection-start-column="37" selection-end-line="83" selection-end-column="37" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/glavsoft/rfb/client/ClientToServerMessage.java">
       <provider selected="true" editor-type-id="text-editor">
         <state vertical-scroll-proportion="0.14833127">
@@ -1467,7 +1373,7 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/src/viewer_swing/java/com/glavsoft/viewer/swing/SwingViewerWindow.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state vertical-scroll-proportion="0.4284546">
+        <state vertical-scroll-proportion="0.0">
           <caret line="908" column="45" selection-start-line="908" selection-start-column="45" selection-end-line="908" selection-end-column="45" />
           <folding>
             <element signature="e#0#45693#0" expanded="true" />
@@ -1475,6 +1381,53 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeVncProtocol.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0">
+          <caret line="83" column="37" selection-start-line="83" selection-start-column="37" selection-end-line="83" selection-end-column="37" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/CreateConnectionParam.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0">
+          <caret line="24" column="32" selection-start-line="24" selection-start-column="32" selection-end-line="24" selection-end-column="32" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="367.73334">
+          <caret line="94" column="26" selection-start-line="94" selection-start-column="26" selection-end-line="94" selection-end-column="26" />
+          <folding>
+            <element signature="imports" expanded="true" />
+            <element signature="e#12298#12624#0" expanded="true" />
+            <element signature="e#12623#12624#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.0">
+          <caret line="27" column="47" selection-start-line="27" selection-start-column="47" selection-end-line="27" selection-end-column="47" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state vertical-scroll-proportion="0.3846154">
+          <caret line="61" column="0" selection-start-line="61" selection-start-column="0" selection-end-line="61" selection-end-column="0" />
+          <folding>
+            <element signature="e#2852#2853#0" expanded="true" />
+            <element signature="e#2874#2875#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
   </component>
   <component name="hg4idea.settings">
     <option name="CHECK_INCOMING_OUTGOING" value="true" />
diff -r 4ac83ab4be81 -r 9db8862ef200 src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java	Sun Jun 12 09:06:53 2016 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/FindRoot.java	Sun Jun 12 09:23:38 2016 +0900
@@ -5,12 +5,14 @@
 
 import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.*;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+import java.net.ServerSocket;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 
-public class FindRoot implements Runnable {
+public class FindRoot {
 	final int BUFSIZE = 1024;
 	private MulticastSocket soc;
     private InetAddress mAddr;
@@ -18,26 +20,21 @@
     private BufferedReader is;
     private int port;
     private boolean stopFlag = false;
-    private TreeVncRootSelectionPanel rootSelectionPanel = new TreeVncRootSelectionPanel(this);
     private String proxyAddr;
 
     /**
      * To find vnc root, a client sends a multicast packet.
-     * @param _port
-     * @param createConnectionParam 
+     * @param _port    TreeVNC waiting port
+     * @param createConnectionParam  no use now
      */
 	public FindRoot(int _port, CreateConnectionParam createConnectionParam) {
         port = _port;
-        CreateConnectionParam cp = createConnectionParam;
-        rootSelectionPanel.setCp(cp);
         try {
             soc = TreeRootFinderListener.createMulticastSocket();
-            soc.setTimeToLive(1);
             mAddr = InetAddress.getByName(TreeRootFinderListener.McastAddr);
             System.out.println("FindRoot socket on " + TreeRootFinderListener.McastAddr + " "  + mAddr + " port " + _port);
         } catch (IOException e) {
             System.out.println("cannot create FindRoot socket. " + e);
-            return;
         }
     }
 
@@ -64,88 +61,9 @@
             System.out.println("cannot send FindRoot packet.");
 			e.printStackTrace();
 		}
-		
+		soc.close();
 	}
-    
-    public String  textPort() {
-        return rootSelectionPanel.getPort();
-    }
-    
-    void socketClose() {
-        try {
-            rootSelectionPanel.unVisible();
-            is.close();
-        } catch (IOException e) {
-            e.printStackTrace();
-            System.out.println("cannot is close.");
-        }
-    }
-    
-    /**
-     * TREEVNC_ROOT_FINDER is sent, wait for reply
-     */
-    @Override
-    public void run() {
-        try {
-            rootSelectionPanel.visible();
-            while(!stopFlag) {
-                Socket socket = server.accept();
-                is = new BufferedReader(new InputStreamReader(socket.getInputStream()));
-                proxyAddr = is.readLine();
-                // proxyAddr format
-                // 5999:localhost:localhost:133.13.59.210:
-                // port:hostname:hostname:ip address:
-                // GetBroadCastProxy create this string on VNC root
-                InetAddress adr = socket.getInetAddress();
-                String proxyAddr1 = adr.getHostName();
-                String proxyAddr2 = null;
-                if (proxyAddr1 != null) {
-                    int portIndex = proxyAddr.indexOf(":");
-                    int restIndex = proxyAddr.indexOf(":", portIndex+1);
-                    if (portIndex>0) {
-                        proxyAddr2 = proxyAddr.substring(0, portIndex)+":"+proxyAddr1 + ":" + proxyAddr.substring(restIndex+1);
-                    }
-                }
-                if(proxyAddr2!=null)
-                    rootSelectionPanel.checkBox(proxyAddr2);
-                rootSelectionPanel.setButton();
-            }
-        } catch (IOException e) {
-            System.out.println("an I/O error occurs " + e.getMessage());
-        }
-    }
+
 
-    public void setStopFlag(boolean stopFlag) {
-        this.stopFlag = stopFlag;
-        
-    }
-   
-    /**
-     * the thread is waiting accept system call,
-     * close the socket causes exception,
-     * which will terminated the thread.
-     *
-     * unused.
-     */
-    public void interrupt() {
-    	stopFlag = true;
-		try {
-			server.close();
-	    	soc.close();
-		} catch (IOException e) {
-		}
-        Thread.currentThread().interrupt();
-    }
 
-    public boolean isStopFlag() {
-        return stopFlag;
-    }
-    
-    public void ipRegister() {
-        rootSelectionPanel.ipRegister();
-    }
-
-    public String getProxyAddr() {
-        return proxyAddr;
-    }
 }
diff -r 4ac83ab4be81 -r 9db8862ef200 src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java
--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java	Sun Jun 12 09:06:53 2016 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRootFinderListener.java	Sun Jun 12 09:23:38 2016 +0900
@@ -59,8 +59,7 @@
 				if ((reply[0]&0xff) != TreeCommand.FIND_ROOT.cmd) {
 					continue;
 				}
-				int port = 0;
-				port = reply[8];
+				int port = reply[8];
 				port = port * 256 + reply[9];
 				port = port * 256 + reply[10];
 				port = port * 256 + reply[11];
@@ -77,21 +76,11 @@
 		}
 	}
 
-    public int parse_code( byte[] bs,int offset,int len )
-	{
-	    int intval = 0;
-	    for( int i = offset; i < len ; i++ ) {
-	        if  (bs[i]==0 ) return intval;
-	        intval = intval * 10 + ( bs[ i ] - '0' );
-	    }
-	    return intval;
-	}
-	
-
     public void run() {
 		replyToRootSearchMulticast();
 	}
 
+    // it looks like that we never stop
 	public void setStopFlag(boolean stopFlag) {
 		this.stopFlag = stopFlag;
 	}