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package org.apache.qpid.transport.network.nio;
/*
*
* 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.
*
*/
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import org.apache.qpid.transport.Sender;
public class NioSender implements Sender<java.nio.ByteBuffer>
{
private final Object lock = new Object();
private SocketChannel _ch;
private boolean _batch = false;
private ByteBuffer _batcher;
public NioSender(SocketChannel ch)
{
this._ch = ch;
}
public void send(java.nio.ByteBuffer buf)
{
if (_batch)
{
//System.out.println(_batcher.position() + " , " + buf.remaining() + " , " + buf.position() + ","+_batcher.capacity());
if (_batcher.position() + buf.remaining() >= _batcher.capacity())
{
_batcher.flip();
write(_batcher);
_batcher.clear();
if (buf.remaining() > _batcher.capacity())
{
write(buf);
}
else
{
_batcher.put(buf);
}
}
else
{
_batcher.put(buf);
}
}
else
{
write(buf);
}
}
public void flush()
{
// pass
}
private void write(java.nio.ByteBuffer buf)
{
synchronized (lock)
{
if( _ch.isConnected() && _ch.isOpen())
{
try
{
_ch.write(buf);
}
catch(Exception e)
{
e.fillInStackTrace();
}
}
else
{
throw new RuntimeException("Trying to write on a closed socket");
}
}
}
public void setStartBatching()
{
_batch = true;
_batcher = ByteBuffer.allocate(1024);
}
public void close()
{
// MINA will sometimes throw away in-progress writes when you
// ask it to close
synchronized (lock)
{
try
{
_ch.close();
}
catch(Exception e)
{
e.printStackTrace();
}
}
}
public void setIdleTimeout(int i)
{
//noop
}
}
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