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/*******************************************************************************
* Copyright (c) 2002-2005 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM - Initial API and implementation
*******************************************************************************/
package org.eclipse.wst.wsi.internal.core.monitor;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Iterator;
import java.util.Vector;
import org.eclipse.wst.wsi.internal.core.monitor.config.Redirect;
/**
* A server socket listener.
*
* @author Peter Brittenham (peterbr@us.ibm.com)
* @version 1.0.1
*/
public class ServerSocketListener
extends Thread
implements ConnectionListener // SS
{
protected Monitor monitor = null;
protected Redirect redirect = null;
protected ServerSocket serverSocket = null;
protected boolean stopServerSocket = false;
protected Vector connectionList = new Vector();
/**
* Create server socket listener.
* @param monitor a Monitor object.
* @param redirect a Redirect object.
*/
public ServerSocketListener(Monitor monitor, Redirect redirect)
{
this.monitor = monitor;
this.redirect = redirect;
// Start listening
start();
}
/**
* Run the thread and listen for a connection on the socket.
*/
public void run()
{
try
{
// Create server socket
serverSocket =
new ServerSocket(
redirect.getListenPort(),
redirect.getMaxConnections());
// SS
// Set timeout so that server socket will continue to accept connections
serverSocket.setSoTimeout(0);
// Listen for connections until interrupted
while (!stopServerSocket)
{
// Accept connections
Socket socket = serverSocket.accept();
// If the server socket was NOT stopped, process connection
if (!stopServerSocket)
{
// Create new connection
SocketConnection socketConnection =
new SocketConnection(this.monitor, this.redirect, socket);
//register as a listener
socketConnection.addConnectionListener(this); // SS
// Add to connection list
connectionList.add(socketConnection);
}
}
}
catch (Exception e)
{
// If the exception was NOT caused by closing the socket, then stop monitor
if (!e.getMessage().equals("socket closed"))
{
monitor.exitMonitor(e);
}
}
}
/**
* Stop listening for a connection on the socket.
*/
public void shutdown()
{
try
{
// Shutdown all active connections
Iterator iterator = connectionList.iterator();
while (iterator.hasNext())
{
((SocketConnection) iterator.next()).shutdown();
}
// Tell the server socket listening thread to stop
this.stopServerSocket = true;
// Set the server socket timeout to 1 ms
serverSocket.setSoTimeout(1);
// Close the server socket
if (serverSocket != null)
serverSocket.close();
}
catch (Exception e)
{
}
}
// ==== SS start ====
/* (non-Javadoc)
* @see org.wsi.test.monitor.ConnectionListener#connectionClosed()
*/
public void connectionClosed(SocketConnection connection)
{
connectionList.remove(connection);
}
// ==== SS end ====
}
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