1 files changed, 67 insertions, 0 deletions
diff --git a/qpid/java/common/src/main/java/org/apache/mina/transport/socket/nio/MultiThreadSocketFilterChain.java b/qpid/java/common/src/main/java/org/apache/mina/transport/socket/nio/MultiThreadSocketFilterChain.java
new file mode 100644
index 0000000000..67b8c8d820
--- /dev/null
+++ b/qpid/java/common/src/main/java/org/apache/mina/transport/socket/nio/MultiThreadSocketFilterChain.java
@@ -0,0 +1,67 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License.
+ *
+ */
+package org.apache.mina.transport.socket.nio;
+
+import java.io.IOException;
+
+import org.apache.mina.common.ByteBuffer;
+import org.apache.mina.common.IoFilterChain;
+import org.apache.mina.common.IoSession;
+import org.apache.mina.common.IoFilter.WriteRequest;
+import org.apache.mina.common.support.AbstractIoFilterChain;
+import org.apache.mina.util.Queue;
+
+/**
+ * An {@link IoFilterChain} for socket transport (TCP/IP).
+ *
+ * @author The Apache Directory Project (mina-dev@directory.apache.org)
+ */
+class MultiThreadSocketFilterChain extends AbstractIoFilterChain {
+
+    MultiThreadSocketFilterChain( IoSession parent )
+    {
+        super( parent );
+    }
+
+    protected void doWrite( IoSession session, WriteRequest writeRequest )
+    {
+        MultiThreadSocketSessionImpl s = (MultiThreadSocketSessionImpl) session;
+        Queue writeRequestQueue = s.getWriteRequestQueue();
+
+        // SocketIoProcessor.doFlush() will reset it after write is finished
+        // because the buffer will be passed with messageSent event.
+        ( ( ByteBuffer ) writeRequest.getMessage() ).mark();
+        synchronized( writeRequestQueue )
+        {
+            writeRequestQueue.push( writeRequest );
+            if( writeRequestQueue.size() == 1 && session.getTrafficMask().isWritable() )
+            {
+                // Notify SocketIoProcessor only when writeRequestQueue was empty.
+                s.getIoProcessor().flush( s );
+            }
+        }
+    }
+
+    protected void doClose( IoSession session ) throws IOException
+    {
+        MultiThreadSocketSessionImpl s = (MultiThreadSocketSessionImpl) session;
+        s.getIoProcessor().remove( s );
+    }
+}