--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/org/eclipse/jetty/server/nio/BlockingChannelConnector.java	Wed Sep 07 21:15:48 2016 -0600
@@ -0,0 +1,366 @@
+//
+//  ========================================================================
+//  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.nio;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.Socket;
+import java.nio.channels.ByteChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+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.nio.ChannelEndPoint;
+import org.eclipse.jetty.server.BlockingHttpConnection;
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.util.ConcurrentHashSet;
+import org.eclipse.jetty.util.log.Log;
+import org.eclipse.jetty.util.log.Logger;
+
+
+/* ------------------------------------------------------------------------------- */
+/**  Blocking NIO connector.
+ * This connector uses efficient NIO buffers with a traditional blocking thread model.
+ * Direct NIO buffers are used and a thread is allocated per connections.
+ *
+ * This connector is best used when there are a few very active connections.
+ *
+ * @org.apache.xbean.XBean element="blockingNioConnector" description="Creates a blocking NIO based socket connector"
+ *
+ *
+ *
+ */
+public class BlockingChannelConnector extends AbstractNIOConnector
+{
+    private static final Logger LOG = Log.getLogger(BlockingChannelConnector.class);
+
+    private transient ServerSocketChannel _acceptChannel;
+    private final Set<BlockingChannelEndPoint> _endpoints = new ConcurrentHashSet<BlockingChannelEndPoint>();
+
+
+    /* ------------------------------------------------------------ */
+    /** Constructor.
+     *
+     */
+    public BlockingChannelConnector()
+    {
+    }
+
+    /* ------------------------------------------------------------ */
+    public Object getConnection()
+    {
+        return _acceptChannel;
+    }
+
+    /* ------------------------------------------------------------ */
+    /**
+     * @see org.eclipse.jetty.server.AbstractConnector#doStart()
+     */
+    @Override
+    protected void doStart() throws Exception
+    {
+        super.doStart();
+        getThreadPool().dispatch(new Runnable()
+        {
+
+            public void run()
+            {
+                while (isRunning())
+                {
+                    try
+                    {
+                        Thread.sleep(400);
+                        long now=System.currentTimeMillis();
+                        for (BlockingChannelEndPoint endp : _endpoints)
+                        {
+                            endp.checkIdleTimestamp(now);
+                        }
+                    }
+                    catch(InterruptedException e)
+                    {
+                        LOG.ignore(e);
+                    }
+                    catch(Exception e)
+                    {
+                        LOG.warn(e);
+                    }
+                }
+            }
+
+        });
+
+    }
+
+
+    /* ------------------------------------------------------------ */
+    public void open() throws IOException
+    {
+        // Create a new server socket and set to non blocking mode
+        _acceptChannel= ServerSocketChannel.open();
+        _acceptChannel.configureBlocking(true);
+
+        // Bind the server socket to the local host and port
+        InetSocketAddress addr = getHost()==null?new InetSocketAddress(getPort()):new InetSocketAddress(getHost(),getPort());
+        _acceptChannel.socket().bind(addr,getAcceptQueueSize());
+    }
+
+    /* ------------------------------------------------------------ */
+    public void close() throws IOException
+    {
+        if (_acceptChannel != null)
+            _acceptChannel.close();
+        _acceptChannel=null;
+    }
+
+    /* ------------------------------------------------------------ */
+    @Override
+    public void accept(int acceptorID)
+    	throws IOException, InterruptedException
+    {
+        SocketChannel channel = _acceptChannel.accept();
+        channel.configureBlocking(true);
+        Socket socket=channel.socket();
+        configure(socket);
+
+        BlockingChannelEndPoint connection=new BlockingChannelEndPoint(channel);
+        connection.dispatch();
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    @Override
+    public void customize(EndPoint endpoint, Request request)
+        throws IOException
+    {
+        super.customize(endpoint, request);
+        endpoint.setMaxIdleTime(_maxIdleTime);
+        configure(((SocketChannel)endpoint.getTransport()).socket());
+    }
+
+
+    /* ------------------------------------------------------------------------------- */
+    public int getLocalPort()
+    {
+        if (_acceptChannel==null || !_acceptChannel.isOpen())
+            return -1;
+        return _acceptChannel.socket().getLocalPort();
+    }
+
+    /* ------------------------------------------------------------------------------- */
+    /* ------------------------------------------------------------------------------- */
+    /* ------------------------------------------------------------------------------- */
+    private class BlockingChannelEndPoint extends ChannelEndPoint implements Runnable, ConnectedEndPoint
+    {
+        private Connection _connection;
+        private int _timeout;
+        private volatile long _idleTimestamp;
+
+        BlockingChannelEndPoint(ByteChannel channel)
+            throws IOException
+        {
+            super(channel,BlockingChannelConnector.this._maxIdleTime);
+            _connection = new BlockingHttpConnection(BlockingChannelConnector.this,this,getServer());
+        }
+
+        /* ------------------------------------------------------------ */
+        /** Get the connection.
+         * @return the connection
+         */
+        public Connection getConnection()
+        {
+            return _connection;
+        }
+
+        /* ------------------------------------------------------------ */
+        public void setConnection(Connection connection)
+        {
+            _connection=connection;
+        }
+
+        /* ------------------------------------------------------------ */
+        public void checkIdleTimestamp(long now)
+        {
+            if (_idleTimestamp!=0 && _timeout>0 && now>(_idleTimestamp+_timeout))
+            {
+                idleExpired();
+            }
+        }
+
+        /* ------------------------------------------------------------ */
+        protected void idleExpired()
+        {
+            try
+            {
+                super.close();
+            }
+            catch (IOException e)
+            {
+                LOG.ignore(e);
+            }
+        }
+
+        /* ------------------------------------------------------------ */
+        void dispatch() throws IOException
+        {
+            if (!getThreadPool().dispatch(this))
+            {
+                LOG.warn("dispatch failed for  {}",_connection);
+                super.close();
+            }
+        }
+
+        /* ------------------------------------------------------------ */
+        /**
+         * @see org.eclipse.jetty.io.nio.ChannelEndPoint#fill(org.eclipse.jetty.io.Buffer)
+         */
+        @Override
+        public int fill(Buffer buffer) throws IOException
+        {
+            _idleTimestamp=System.currentTimeMillis();
+            return super.fill(buffer);
+        }
+
+        /* ------------------------------------------------------------ */
+        /**
+         * @see org.eclipse.jetty.io.nio.ChannelEndPoint#flush(org.eclipse.jetty.io.Buffer)
+         */
+        @Override
+        public int flush(Buffer buffer) throws IOException
+        {
+            _idleTimestamp=System.currentTimeMillis();
+            return super.flush(buffer);
+        }
+
+        /* ------------------------------------------------------------ */
+        /**
+         * @see org.eclipse.jetty.io.nio.ChannelEndPoint#flush(org.eclipse.jetty.io.Buffer, org.eclipse.jetty.io.Buffer, org.eclipse.jetty.io.Buffer)
+         */
+        @Override
+        public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
+        {
+            _idleTimestamp=System.currentTimeMillis();
+            return super.flush(header,buffer,trailer);
+        }
+
+        /* ------------------------------------------------------------ */
+        public void run()
+        {
+            try
+            {
+                _timeout=getMaxIdleTime();
+                connectionOpened(_connection);
+                _endpoints.add(this);
+
+                while (isOpen())
+                {
+                    _idleTimestamp=System.currentTimeMillis();
+                    if (_connection.isIdle())
+                    {
+                        if (getServer().getThreadPool().isLowOnThreads())
+                        {
+                            int lrmit = getLowResourcesMaxIdleTime();
+                            if (lrmit>=0 && _timeout!= lrmit)
+                            {
+                                _timeout=lrmit;
+                            }
+                        }
+                    }
+                    else
+                    {
+                        if (_timeout!=getMaxIdleTime())
+                        {
+                            _timeout=getMaxIdleTime();
+                        }
+                    }
+
+                    _connection = _connection.handle();
+
+                }
+            }
+            catch (EofException e)
+            {
+                LOG.debug("EOF", e);
+                try{BlockingChannelEndPoint.this.close();}
+                catch(IOException e2){LOG.ignore(e2);}
+            }
+            catch (HttpException e)
+            {
+                LOG.debug("BAD", e);
+                try{super.close();}
+                catch(IOException e2){LOG.ignore(e2);}
+            }
+            catch(Throwable e)
+            {
+                LOG.warn("handle failed",e);
+                try{super.close();}
+                catch(IOException e2){LOG.ignore(e2);}
+            }
+            finally
+            {
+                connectionClosed(_connection);
+                _endpoints.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);
+                }
+            }
+        }
+
+        /* ------------------------------------------------------------ */
+        @Override
+        public String toString()
+        {
+            return String.format("BCEP@%x{l(%s)<->r(%s),open=%b,ishut=%b,oshut=%b}-{%s}",
+                    hashCode(),
+                    _socket.getRemoteSocketAddress(),
+                    _socket.getLocalSocketAddress(),
+                    isOpen(),
+                    isInputShutdown(),
+                    isOutputShutdown(),
+                    _connection);
+        }
+
+    }
+}