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/*
*
* 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.qpid.codec;
import org.apache.mina.common.IoHandlerAdapter;
import org.apache.mina.common.IoSession;
import org.apache.mina.transport.socket.nio.SocketAcceptor;
import org.apache.mina.util.SessionUtil;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.qpid.framing.AMQFrame;
import org.apache.qpid.framing.CompositeAMQDataBlock;
import java.net.InetSocketAddress;
public class Server extends IoHandlerAdapter
{
Server(int port) throws Exception
{
new SocketAcceptor().bind(new InetSocketAddress(port), this);
System.out.println("Listening on " + port);
}
public void sessionCreated(IoSession session) throws Exception
{
SessionUtil.initialize(session);
session.getFilterChain().addLast("protocolFilter", new ProtocolCodecFilter(new AMQCodecFactory(false)));
}
public void messageReceived(IoSession session, Object object) throws Exception
{
getAccumulator(session).received(session, (AMQFrame) object);
}
public void sessionOpened(IoSession session) throws Exception
{
System.out.println("sessionOpened()");
}
public void sessionClosed(IoSession session) throws Exception
{
System.out.println("sessionClosed()");
}
public void exceptionCaught(IoSession session, Throwable t) throws Exception
{
System.out.println("exceptionCaught()");
t.printStackTrace();
session.close();
}
private Accumulator getAccumulator(IoSession session)
{
Accumulator a = (Accumulator) session.getAttribute(ACCUMULATOR);
if(a == null)
{
a = new Accumulator();
session.setAttribute(ACCUMULATOR, a);
}
return a;
}
private static final String ACCUMULATOR = Accumulator.class.getName();
private static class Accumulator
{
private final AMQFrame[] frames = new AMQFrame[3];
private int i;
void received(IoSession session, AMQFrame frame)
{
frames[i++] = frame;
if(i >= frames.length)
{
i = 0;
session.write(new CompositeAMQDataBlock(frames));
}
}
}
public static void main(String[] argv) throws Exception
{
int port = argv.length > 0 ? Integer.parseInt(argv[0]) : 8888;
new Server(port);
}
}
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