asterisk-java-cvs

[Stefan R. <sr...@us...>]

Update of /cvsroot/asterisk-java/asterisk-java/src/java/net/sf/asterisk/fastagi
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv16005/src/java/net/sf/asterisk/fastagi

Added Files:
	DefaultAGIServer.java 
Log Message:
Added DefaultAGIServer

--- NEW FILE: DefaultAGIServer.java ---
/*
 * Copyright  2004-2005 Stefan Reuter
 *
 *  Licensed 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 net.sf.asterisk.fastagi;

import java.io.IOException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import net.sf.asterisk.io.ServerSocketFacade;
import net.sf.asterisk.io.ServerSocketFacadeImpl;
import net.sf.asterisk.io.SocketConnectionFacade;
import net.sf.asterisk.util.ThreadPool;

public class DefaultAGIServer implements AGIServer
{
    private static final int DEFAULT_PORT = 4573;
    private static final int DEFAULT_POOL_SIZE = 10;

    /**
     * Instance logger.
     */
    private final Log logger = LogFactory.getLog(DefaultAGIServer.class);

    private ServerSocketFacade serverSocket;

    /**
     * The port to listen on.
     */
    protected int port = DEFAULT_PORT;

    /**
     * The thread pool that contains the worker threads to process incoming
     * requests.
     */
    private ThreadPool pool;

    /**
     * The number of worker threads in the thread pool. This equals the maximum
     * number of concurrent requests this AGIServer can serve.
     */
    private int poolSize = DEFAULT_POOL_SIZE;

    private boolean die;

    public DefaultAGIServer()
    {
        this.pool = new ThreadPool("AGIServer", poolSize);
    }

    protected ServerSocketFacade createServerSocket() throws IOException
    {
        return new ServerSocketFacadeImpl(port);
    }

    public void startup() throws IOException, IllegalStateException
    {
        run();
    }

    public void run()
    {
        SocketConnectionFacade socket;
        AGIConnectionHandler connectionHandler;

        die = false;
        try
        {
            serverSocket = createServerSocket();
            logger.info("Waiting for new connections.");

            while ((socket = serverSocket.accept()) != null)
            {
                logger.info("Received connection.");
                connectionHandler = new AGIConnectionHandler(socket);
                pool.addJob(connectionHandler);
            }
        }
        catch (IOException e)
        {
            // swallow if shutdown
            if (die)
            {
                logger.error("IOException while waiting for connections.", e);
            }
        }
        finally
        {
            try
            {
                serverSocket.close();
            }
            catch (IOException e)
            {
                // swallow
            }
            serverSocket = null;
        }
    }

    public void die() throws IOException
    {
        die = true;

        if (serverSocket != null)
        {
            serverSocket.close();
        }
        logger.info("AGIServer shut down.");
    }

    public void shutdown() throws IOException, IllegalStateException
    {
        pool.shutdown();
        die();
    }
}