Optimization - use heap buffers by default.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@6706 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/spi/ConnectionManagerImpl.java

@@ -12,6 +12,8 @@
 package org.jivesoftware.wildfire.spi;
 
 import org.apache.mina.common.ExecutorThreadModel;
+import org.apache.mina.common.ByteBuffer;
+import org.apache.mina.common.SimpleByteBufferAllocator;
 import org.apache.mina.filter.SSLFilter;
 import org.apache.mina.filter.codec.ProtocolCodecFilter;
 import org.apache.mina.transport.socket.nio.SocketAcceptor;
@@ -405,6 +407,12 @@ public class ConnectionManagerImpl extends BasicModule implements ConnectionMana
         routingTable = server.getRoutingTable();
         deliverer = server.getPacketDeliverer();
         sessionManager = server.getSessionManager();
+        // Check if we need to configure MINA to use Direct or Heap Buffers
+        // Note: It has been reported that heap buffers are 50% faster than direct buffers
+        if (JiveGlobals.getBooleanProperty("xmpp.socket.directBuffer", false)) {
+            ByteBuffer.setUseDirectBuffers(false);
+            ByteBuffer.setAllocator(new SimpleByteBufferAllocator());
+        }
     }
 
     public void enableClientListener(boolean enabled) {