--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/alice/topology/manager/CheckComingHost.java	Mon Aug 11 18:23:18 2014 +0900
@@ -0,0 +1,50 @@
+package alice.topology.manager;
+
+import java.util.LinkedList;
+
+import alice.codesegment.CodeSegment;
+import alice.datasegment.CommandType;
+import alice.datasegment.Receiver;
+import alice.topology.HostMessage;
+
+public class CheckComingHost extends CodeSegment {
+    // checkIncomingHost
+    private Receiver host = ids.create(CommandType.TAKE); 
+    private Receiver messageList = ids.create(CommandType.PEEK); // HostMessage List
+    
+    public CheckComingHost(){
+        this.host.setKey("host");
+        this.messageList.setKey("messageList");
+    }
+    
+    @Override
+    public void run() {
+        HostMessage host = this.host.asClass(HostMessage.class);
+        @SuppressWarnings("unchecked")
+        LinkedList<HostMessage> messageList = this.messageList.asClass(LinkedList.class);
+        boolean match = false;
+        // check cookie
+        if (host.cookie != null) {
+            for (HostMessage hostMessage : messageList) {
+                if (host.cookie.equals(hostMessage.cookie)) {
+                    match = true;
+                    host.absName = hostMessage.absName;
+                    break;
+                }
+            }
+        }
+        
+        if (match){ 
+            // coming host has ever joined this App
+            System.out.println("reconnect host");
+            ods.put("reconnectHost", host);
+        } else {
+            System.out.println("new host");
+            ods.put("orderHash", "order");
+            ods.put("newHost", host);
+        }
+        
+       new CheckComingHost();
+    }
+
+}

--- a/src/main/java/alice/topology/manager/ComingServiceHosts.java	Mon Aug 04 20:34:41 2014 +0900
+++ b/src/main/java/alice/topology/manager/ComingServiceHosts.java	Mon Aug 11 18:23:18 2014 +0900
@@ -18,7 +18,7 @@
     int BINATY_TREE = 2;
 
     public ComingServiceHosts(){
-        info.setKey("host");
+        info.setKey("newHost");
         info1.setKey("hostCount");
         info2.setKey("nodeConnectionInfo");
     }

--- a/src/main/java/alice/topology/manager/IncomingHosts.java	Mon Aug 04 20:34:41 2014 +0900
+++ b/src/main/java/alice/topology/manager/IncomingHosts.java	Mon Aug 11 18:23:18 2014 +0900
@@ -15,7 +15,7 @@
 
     HashMap<String, LinkedList<NodeInfo>> topology;
     LinkedList<String> nodeNames;
-    private Receiver host = ids.create(CommandType.TAKE); //node name
+    private Receiver host = ids.create(CommandType.TAKE); //HostMessage
     private Receiver messageList = ids.create(CommandType.TAKE); // HostMessage List
     private Receiver cookie = ids.create(CommandType.TAKE); // MD5
 
@@ -41,7 +41,7 @@
                     match = true;
                     System.out.println("cookie is match");
                     host.absName = hostMessage.absName;
-                    ods.put("reconnect", host);
+                    ods.put("reconnectHost", host);
                     ods.put(this.messageList.key, messageList);
                     new SearchHostName();
                     break;

--- a/src/main/java/alice/topology/manager/SearchHostName.java	Mon Aug 04 20:34:41 2014 +0900
+++ b/src/main/java/alice/topology/manager/SearchHostName.java	Mon Aug 11 18:23:18 2014 +0900
@@ -18,7 +18,7 @@
     private Receiver info2 = ids.create(CommandType.PEEK); // check App running 
 
     public SearchHostName(){
-        info.setKey("reconnect");
+        info.setKey("reconnectHost");
         info1.setKey("topology");
         info2.setKey("running");
     }

--- a/src/main/java/alice/topology/manager/StartTopologyManager.java	Mon Aug 04 20:34:41 2014 +0900
+++ b/src/main/java/alice/topology/manager/StartTopologyManager.java	Mon Aug 11 18:23:18 2014 +0900
@@ -80,23 +80,26 @@
             ods.put("topology", new HashMap<String, LinkedList<HostMessage>>());
             // cookie List
             ods.put("createdList", new LinkedList<String>());
-            ods.put("messageList", new LinkedList<HostMessage>());
             ods.put("orderHash", "order");
             ods.put("running", false);
             
-            new CreateHash();
             new IncomingHosts(topology, nodeNames);
 
             ConfigWaiter cs3 = new ConfigWaiter(nodeNum);
             cs3.done.setKey("local", "done");
         } else {
             System.out.println("mode -t");
+            new CheckComingHost();
+            
             HashMap<String,HostMessage> parentInfo = new HashMap<String,HostMessage>();
             int cominghostCount = 0;
             ods.put("nodeConnectionInfo", parentInfo);
             ods.put("hostCount", cominghostCount);
             new ComingServiceHosts();
         }
+
+        ods.put("messageList", new LinkedList<HostMessage>());
+        new CreateHash();
     }
 
 }