--- a/src/fdl/FederatedLinda.java	Sun Aug 24 19:07:28 2008 +0900
+++ b/src/fdl/FederatedLinda.java	Sun Aug 24 21:06:39 2008 +0900
@@ -154,7 +154,7 @@
 		} catch (IOException e) {
 			e.printStackTrace();
 		} catch (ClosedSelectorException e) {
-			e.printStackTrace();
+			// client should be know
 		}
 
 		return key_num;

--- a/src/fdl/MetaLinda.java	Sun Aug 24 19:07:28 2008 +0900
+++ b/src/fdl/MetaLinda.java	Sun Aug 24 21:06:39 2008 +0900
@@ -49,7 +49,7 @@
 	}
 
 	private void addReply(MetaReply r) {
-		replies.add(r);
+		replies.addLast(r);
 	}
 
 	public PSXReply ck(int id) {
@@ -99,17 +99,6 @@
 	}
 
 	public int sync(long timeout) {
-		fds.checkTuple(timeout);
-		if (replies.size()>0) {
-			// copy replies to avoid insert during r.ready() 
-			LinkedList<MetaReply> list = replies;
-			replies = new LinkedList<MetaReply>();
-			for(MetaReply r:list) {
-				if (!r.ready()) {
-					addReply(r);
-				}
-			}
-		}
 		if (fdl!=null) {
 			try {
 				fdl.sync(timeout);
@@ -117,6 +106,24 @@
 				e.printStackTrace();
 			}
 		}
+		fds.checkTuple(timeout);
+		/*
+		 * r.callback() may call meta.sync() and modifies the
+		 * replies queue. Do current size of queue only. The
+		 * rest is checked on the next sync call including
+		 * the recursive case.
+		 */
+			int count = replies.size();
+			while(count-->0) {
+				MetaReply r = replies.poll();
+				// previous call back may call this sync and make 
+				// replies shorter.
+				if (r==null) break;
+				if (r.ready()) {
+				} else {
+					addReply(r);
+				}
+			}
 		return 0;
 	}
 

--- a/src/fdl/MetaLogEngine.java	Sun Aug 24 19:07:28 2008 +0900
+++ b/src/fdl/MetaLogEngine.java	Sun Aug 24 21:06:39 2008 +0900
@@ -29,9 +29,11 @@
 				data = commDebug.getLog();
 				if (data!=null) break;
 				meta.sync();
-			} while (true);
-			meta.out(PSX.META_MONITOR_DATA, data);
-			meta.in(PSX.META_MONITOR,monitor_callback);
+			} while (running);
+			if (running) {
+				meta.out(PSX.META_MONITOR_DATA, data);
+				meta.in(PSX.META_MONITOR,monitor_callback);
+			}
 		}};
 	
 	public void mainLoop() {

--- a/src/fdl/PSX.java	Sun Aug 24 19:07:28 2008 +0900
+++ b/src/fdl/PSX.java	Sun Aug 24 21:06:39 2008 +0900
@@ -139,13 +139,10 @@
 		// if datalen in the header is different from ByteBuffer remaining(), we lost
 		// protocol synchronization. Make sure to have correct length now.
 		if (true) { 
-			int seq = command.getInt(LINDA_SEQ_OFFSET);
-//			if (seq>500) 
-//				System.err.println("Illegal seq sent.");
 			int datalen = data==null?0:(data.limit()-data.position());
-			if (command.getInt(LINDA_DATA_LENGTH_OFFSET)>0 && (data==null||data.remaining()!=command.getInt(LINDA_DATA_LENGTH_OFFSET))) {
-				System.err.println("Missing data.");
-			}
+//			if (command.getInt(LINDA_DATA_LENGTH_OFFSET)>0 && (data==null||data.remaining()!=command.getInt(LINDA_DATA_LENGTH_OFFSET))) {
+//				System.err.println("Missing data.");
+//			}
 			command.putInt(LINDA_DATA_LENGTH_OFFSET,datalen); 
 			command.putInt(LINDA_PACKET_LENGTH_OFFSET,datalen+LINDA_HEADER_SIZE-INT_SIZE);
 			command.rewind();

--- a/src/fdl/PSXLindaImpl.java	Sun Aug 24 19:07:28 2008 +0900
+++ b/src/fdl/PSXLindaImpl.java	Sun Aug 24 21:06:39 2008 +0900
@@ -51,11 +51,11 @@
 		fdl = _fdl;
 
 		socketChannel = SocketChannel.open();
-		socketChannel.configureBlocking(false);
+		socketChannel.configureBlocking(false); // Selector needs this
 
-		// Socket socket = socketChannel.socket();
+		Socket socket = socketChannel.socket();
 		// socket.setReuseAddress(true); Client side don't need this.
-		// socket.setTcpNoDelay(true);
+		socket.setTcpNoDelay(true);
 
 		socketChannel.connect(new InetSocketAddress(_host, _port));
 		while (! socketChannel.finishConnect()) {

--- a/src/fdl/test/TestMetaLinda.java	Sun Aug 24 19:07:28 2008 +0900
+++ b/src/fdl/test/TestMetaLinda.java	Sun Aug 24 21:06:39 2008 +0900
@@ -76,7 +76,7 @@
 
 			System.out.println("Try to stop the server");
 			psx.out(PSX.META_STOP, null);
-			psx.sync();
+			psx.sync(100);
 			
 		} catch (IOException e) {
 			System.err.println("Communication failure.");