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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.transport.network.io;
import org.apache.log4j.Logger;
import org.apache.qpid.transport.Binding;
import org.apache.qpid.transport.TransportException;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.nio.ByteBuffer;
/**
* IoAcceptor
*
*/
public class IoAcceptor<E> extends Thread
{
private static final Logger _logger = Logger.getLogger(IoAcceptor.class);
private volatile boolean _closed = false;
private ServerSocket socket;
private Binding<E,ByteBuffer> binding;
public IoAcceptor(SocketAddress address, Binding<E,ByteBuffer> binding)
throws IOException
{
socket = new ServerSocket();
socket.setReuseAddress(true);
socket.bind(address);
this.binding = binding;
setName(String.format("IoAcceptor - %s", socket.getInetAddress()));
}
/**
Close the underlying ServerSocket if it has not already been closed.
*/
public void close() throws IOException
{
_closed = true;
if (!socket.isClosed())
{
socket.close();
}
}
public IoAcceptor(String host, int port, Binding<E,ByteBuffer> binding)
throws IOException
{
this(new InetSocketAddress(host, port), binding);
}
public void run()
{
while (!_closed)
{
try
{
Socket sock = socket.accept();
IoTransport<E> transport = new IoTransport<E>(sock, binding);
}
catch (IOException e)
{
if (!_closed)
{
_logger.error("Error in IoAcceptor thread", e);
closeSocketIfNecessary(socket);
try
{
Thread.sleep(1000);
}
catch (InterruptedException ie)
{
_logger.debug("Stopping io acceptor due to interrupt request");
_closed = true;
}
}
}
}
}
private void closeSocketIfNecessary(final ServerSocket socket)
{
if(socket != null)
{
try
{
socket.close();
}
catch (IOException e)
{
_logger.debug("Exception while closing socket", e);
}
}
}
}
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