--- a/src/fdl/test/topology/ring/RingTopologyManagerEngine.java	Tue Nov 17 18:19:39 2009 +0900
+++ b/src/fdl/test/topology/ring/RingTopologyManagerEngine.java	Sun Nov 22 13:59:05 2009 +0900
@@ -1,9 +1,16 @@
 package fdl.test.topology.ring;
 
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
 import fdl.MetaLinda;
+import fdl.PSXReply;
 import fdl.test.topology.TopologyManagerEngine;
 
 public class RingTopologyManagerEngine extends TopologyManagerEngine {
+	private int relayId = 10;
 
 	// Constructor
 	public RingTopologyManagerEngine(MetaLinda ml, int nodeNum) {
@@ -12,12 +19,12 @@
 	
 	public void mainLoop() {
 		super.mainLoop();
-		
+		startRelay();
+		endRelay();
 	}
 	
 	protected void makeTopology() {
 		super.makeTopology();
-		startRelay();
 	}
 	
 	@Override protected void makeConnection() {
@@ -28,9 +35,29 @@
 	}
 	
 	private void startRelay() {
-		
-		
+		String relayString = "test";
+		ByteBuffer data = ByteBuffer.wrap(relayString.getBytes());
+		nodes[0].linda.out(relayId, data);
+		try {
+			nodes[0].linda.sync(1);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
 	}
 	
+	private void endRelay() {
+		PSXReply reply;
+		reply = manager.in(relayId);
+		do {
+			try {
+				manager.sync(1);
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		} while (!reply.ready());
+		ByteBuffer data = reply.getData();
+		String resultData = new String(data.array());
+		System.out.println("[DEBUG] RelayTime: " + resultData);
+	}
 
 }