| /* |
| * |
| * 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); |
| } |
| } |