--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/eclipse/jetty/server/bio/SocketConnector.java	Wed Sep 07 21:15:48 2016 -0600
@@ -0,0 +1,325 @@
+//
+//  ========================================================================
+//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
+//  ------------------------------------------------------------------------
+//  All rights reserved. This program and the accompanying materials
+//  are made available under the terms of the Eclipse Public License v1.0
+//  and Apache License v2.0 which accompanies this distribution.
+//
+//      The Eclipse Public License is available at
+//      http://www.eclipse.org/legal/epl-v10.html
+//
+//      The Apache License v2.0 is available at
+//      http://www.opensource.org/licenses/apache2.0.php
+//
+//  You may elect to redistribute this code under either of these licenses.
+//  ========================================================================
+//
+
+package org.eclipse.jetty.server.bio;
+
+import java.io.IOException;
+import java.net.InetAddress;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.SocketException;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.jetty.http.HttpException;
+import org.eclipse.jetty.io.Buffer;
+import org.eclipse.jetty.io.ConnectedEndPoint;
+import org.eclipse.jetty.io.Connection;
+import org.eclipse.jetty.io.EndPoint;
+import org.eclipse.jetty.io.EofException;
+import org.eclipse.jetty.io.bio.SocketEndPoint;
+import org.eclipse.jetty.server.AbstractConnector;
+import org.eclipse.jetty.server.AbstractHttpConnection;
+import org.eclipse.jetty.server.BlockingHttpConnection;
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.util.component.AggregateLifeCycle;
+import org.eclipse.jetty.util.log.Log;
+import org.eclipse.jetty.util.log.Logger;
+
+
+/* ------------------------------------------------------------------------------- */
+/**  Socket Connector.
+ * This connector implements a traditional blocking IO and threading model.
+ * Normal JRE sockets are used and a thread is allocated per connection.
+ * Buffers are managed so that large buffers are only allocated to active connections.
+ *
+ * This Connector should only be used if NIO is not available.
+ *
+ * @org.apache.xbean.XBean element="bioConnector" description="Creates a BIO based socket connector"
+ *
+ *
+ */
+public class SocketConnector extends AbstractConnector
+{
+    private static final Logger LOG = Log.getLogger(SocketConnector.class);
+
+    protected ServerSocket _serverSocket;
+    protected final Set<EndPoint> _connections;
+    protected volatile int _localPort=-1;
+
+    /* ------------------------------------------------------------ */
+    /** Constructor.
+     *
+     */
+    public SocketConnector()
+    {
+        _connections=new HashSet<EndPoint>();
+    }
+
+    /* ------------------------------------------------------------ */
+    public Object getConnection()
+    {
+        return _serverSocket;
+    }
+
+    /* ------------------------------------------------------------ */
+    public void open() throws IOException
+    {
+        // Create a new server socket and set to non blocking mode
+        if (_serverSocket==null || _serverSocket.isClosed())
+        _serverSocket= newServerSocket(getHost(),getPort(),getAcceptQueueSize());
+        _serverSocket.setReuseAddress(getReuseAddress());
+        _localPort=_serverSocket.getLocalPort();
+        if (_localPort<=0)
+            throw new IllegalStateException("port not allocated for "+this);
+
+    }
+
+    /* ------------------------------------------------------------ */
+    protected ServerSocket newServerSocket(String host, int port,int backlog) throws IOException
+    {
+        ServerSocket ss= host==null?
+            new ServerSocket(port,backlog):
+            new ServerSocket(port,backlog,InetAddress.getByName(host));
+
+        return ss;
+    }
+
+    /* ------------------------------------------------------------ */
+    public void close() throws IOException
+    {
+        if (_serverSocket!=null)
+            _serverSocket.close();
+        _serverSocket=null;
+        _localPort=-2;
+    }
+
+    /* ------------------------------------------------------------ */
+    @Override
+    public void accept(int acceptorID)
+    	throws IOException, InterruptedException
+    {
+        Socket socket = _serverSocket.accept();
+        configure(socket);
+
+        ConnectorEndPoint connection=new ConnectorEndPoint(socket);
+        connection.dispatch();
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    /**
+     * Allows subclass to override Conection if required.
+     */
+    protected Connection newConnection(EndPoint endpoint)
+    {
+        return new BlockingHttpConnection(this, endpoint, getServer());
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    @Override
+    public void customize(EndPoint endpoint, Request request)
+        throws IOException
+    {
+        ConnectorEndPoint connection = (ConnectorEndPoint)endpoint;
+        int lrmit = isLowResources()?_lowResourceMaxIdleTime:_maxIdleTime;
+        connection.setMaxIdleTime(lrmit);
+
+        super.customize(endpoint, request);
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    public int getLocalPort()
+    {
+        return _localPort;
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    @Override
+    protected void doStart() throws Exception
+    {
+        _connections.clear();
+        super.doStart();
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    @Override
+    protected void doStop() throws Exception
+    {
+        super.doStop();
+        Set<EndPoint> set = new HashSet<EndPoint>();
+        synchronized(_connections)
+        {
+            set.addAll(_connections);
+        }
+        for (EndPoint endPoint : set)
+        {
+            ConnectorEndPoint connection = (ConnectorEndPoint)endPoint;
+            connection.close();
+        }
+    }
+
+    @Override
+    public void dump(Appendable out, String indent) throws IOException
+    {
+        super.dump(out, indent);
+        Set<EndPoint> connections = new HashSet<EndPoint>();
+        synchronized (_connections)
+        {
+            connections.addAll(_connections);
+        }
+        AggregateLifeCycle.dump(out, indent, connections);
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    /* ------------------------------------------------------------------------------- */
+    /* ------------------------------------------------------------------------------- */
+    protected class ConnectorEndPoint extends SocketEndPoint implements Runnable, ConnectedEndPoint
+    {
+        volatile Connection _connection;
+        protected final Socket _socket;
+
+        public ConnectorEndPoint(Socket socket) throws IOException
+        {
+            super(socket,_maxIdleTime);
+            _connection = newConnection(this);
+            _socket=socket;
+        }
+
+        public Connection getConnection()
+        {
+            return _connection;
+        }
+
+        public void setConnection(Connection connection)
+        {
+            if (_connection!=connection && _connection!=null)
+                connectionUpgraded(_connection,connection);
+            _connection=connection;
+        }
+
+        public void dispatch() throws IOException
+        {
+            if (getThreadPool()==null || !getThreadPool().dispatch(this))
+            {
+                LOG.warn("dispatch failed for {}",_connection);
+                close();
+            }
+        }
+
+        @Override
+        public int fill(Buffer buffer) throws IOException
+        {
+            int l = super.fill(buffer);
+            if (l<0)
+            {
+                if (!isInputShutdown())
+                    shutdownInput();
+                if (isOutputShutdown())
+                    close();
+            }
+            return l;
+        }
+
+        @Override
+        public void close() throws IOException
+        {
+            if (_connection instanceof AbstractHttpConnection)
+                ((AbstractHttpConnection)_connection).getRequest().getAsyncContinuation().cancel();
+            super.close();
+        }
+
+        public void run()
+        {
+            try
+            {
+                connectionOpened(_connection);
+                synchronized(_connections)
+                {
+                    _connections.add(this);
+                }
+
+                while (isStarted() && !isClosed())
+                {
+                    if (_connection.isIdle())
+                    {
+                        if (isLowResources())
+                            setMaxIdleTime(getLowResourcesMaxIdleTime());
+                    }
+
+                    _connection=_connection.handle();
+                }
+            }
+            catch (EofException e)
+            {
+                LOG.debug("EOF", e);
+                try{close();}
+                catch(IOException e2){LOG.ignore(e2);}
+            }
+            catch (SocketException e)
+            {
+                LOG.debug("EOF", e);
+                try{close();}
+                catch(IOException e2){LOG.ignore(e2);}
+            }
+            catch (HttpException e)
+            {
+                LOG.debug("BAD", e);
+                try{close();}
+                catch(IOException e2){LOG.ignore(e2);}
+            }
+            catch(Exception e)
+            {
+                LOG.warn("handle failed?",e);
+                try{close();}
+                catch(IOException e2){LOG.ignore(e2);}
+            }
+            finally
+            {
+                connectionClosed(_connection);
+                synchronized(_connections)
+                {
+                    _connections.remove(this);
+                }
+
+                // wait for client to close, but if not, close ourselves.
+                try
+                {
+                    if (!_socket.isClosed())
+                    {
+                        long timestamp=System.currentTimeMillis();
+                        int max_idle=getMaxIdleTime();
+
+                        _socket.setSoTimeout(getMaxIdleTime());
+                        int c=0;
+                        do
+                        {
+                            c = _socket.getInputStream().read();
+                        }
+                        while (c>=0 && (System.currentTimeMillis()-timestamp)<max_idle);
+                        if (!_socket.isClosed())
+                            _socket.close();
+                    }
+                }
+                catch(IOException e)
+                {
+                    LOG.ignore(e);
+                }
+            }
+        }
+    }
+}