--- a/src/pathfinder/NetworkSimulator.java	Thu Nov 08 14:19:47 2007 +0900
+++ b/src/pathfinder/NetworkSimulator.java	Thu Nov 08 15:11:13 2007 +0900
@@ -15,6 +15,10 @@
 		connectedList = new LinkedList<ChannelSimulator<P>>();
 	}
 
+	/**
+	 * Establish connection. It's called by SeMa.
+	 * @return
+	 */
 	public ChannelSimulator<P> accept(){
 		ChannelSimulator<P> cs = acceptList.poll();
 		if (cs==null) return null;
@@ -22,6 +26,12 @@
 		connectedList.offer(cs);
 		return cs.getServerChannel();
 	}
+
+	/**
+	 * Request to connect.
+	 * Client editor use this method to connect SeMa. 
+	 * @param cs
+	 */
 	public void connect(ChannelSimulator<P> cs){
 		acceptList.offer(cs);
 	}

--- a/src/pathfinder/SeMaEmulator.java	Thu Nov 08 14:19:47 2007 +0900
+++ b/src/pathfinder/SeMaEmulator.java	Thu Nov 08 15:11:13 2007 +0900
@@ -11,12 +11,7 @@
 		ns = _ns;
 		csList = new ArrayList<ChannelSimulator<P>>();
 	}
-/*
-	public ChannelSimulator<P> addChannelSimulator(ChannelSimulator<P> cs){
-		csList.add(cs);
-		return cs;
-	}
-*/
+
 	/**
 	 * Check whether NetworkSimulator hold waiting connections.
 	 */
@@ -27,18 +22,9 @@
 		csList.add(cs);
 		return true;
 	}
-	public void init(){
+	public void waitClient(){
 		while(csList.size()<2){
 			checkAccept();
-			/*
-			try {
-				Thread.sleep(10);
-			} catch (InterruptedException e) {
-				e.printStackTrace();
-				break;
-			}
-			*/
-			//Thread.yield();
 		}
 	}
 
@@ -46,7 +32,7 @@
 		int i=0;
 		P packet;
 
-		init();
+		waitClient();
 		System.out.println("SessionManager was initialized.");
 		
 		/* Main Loop */

--- a/src/pathfinder/TestNetwork.java	Thu Nov 08 14:19:47 2007 +0900
+++ b/src/pathfinder/TestNetwork.java	Thu Nov 08 15:11:13 2007 +0900
@@ -11,7 +11,7 @@
 	private int N_editor;
 	
 	public static void main(String [] arg)  {
-		TestNetwork test = new TestNetwork(2);
+		TestNetwork test = new TestNetwork(4);
 		test.startTest();
 	}