From 5e56d4113d36b2464be25742ccef18557564533b Mon Sep 17 00:00:00 2001
From: David McKnight <dmcknigh@ca.ibm.com>
Date: Fri, 27 May 2011 17:53:24 +0000
Subject: [PATCH] [347412][dstore] Need an option to set TCP NODELAYACKS

---
 .../eclipse/dstore/internal/core/util/Sender.java  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/internal/core/util/Sender.java b/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/internal/core/util/Sender.java
index 3d58eef2ea2..b1e6a1ea86b 100644
--- a/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/internal/core/util/Sender.java
+++ b/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/internal/core/util/Sender.java
@@ -16,6 +16,7 @@
  * David McKnight  (IBM)   [305218][dstore] problem reading double-byte characters through data socket layer
  * David McKnight  (IBM)   [307541][dstore] fix for Bug 305218 breaks RDz connections
  * David McKnight  (IBM)   [343939][dstore][windows] DBCS3.7 DBCS characters are corrupted in Files
+ * David McKnight  (IBM)   [347412][dstore] Need an option to set TCP NODELAYACKS
  *******************************************************************************/
 
 package org.eclipse.dstore.internal.core.util;
@@ -58,11 +59,24 @@ public class Sender implements ISender
 	public Sender(Socket socket, DataStore dataStore)
 	{
 		_socket = socket;
+				
 		_dataStore = dataStore;
 
 		_xmlGenerator = new XMLgenerator(_dataStore);
 		try
 		{
+			String noDelayStr = System.getProperty("DSTORE_TCP_NO_DELAY"); //$NON-NLS-1$
+			if (noDelayStr != null && noDelayStr.length() > 0){
+				try {
+					boolean noDelay = Boolean.parseBoolean(noDelayStr);
+					_socket.setTcpNoDelay(noDelay); 
+					
+					noDelay = _socket.getTcpNoDelay();
+					_dataStore.trace("tcp no delay set to " + noDelay); //$NON-NLS-1$
+				}
+				catch (Exception e){					
+				}
+			}
 			int bufferSize = _socket.getSendBufferSize();
 			_xmlGenerator.setBufferSize(bufferSize);
 		}