1 files changed, 189 insertions, 0 deletions
diff --git a/jetty-server/src/main/java/org/eclipse/jetty/server/nio/BlockingChannelConnector.java b/jetty-server/src/main/java/org/eclipse/jetty/server/nio/BlockingChannelConnector.java
new file mode 100644
index 0000000000..393bfef14d
--- /dev/null
+++ b/jetty-server/src/main/java/org/eclipse/jetty/server/nio/BlockingChannelConnector.java
@@ -0,0 +1,189 @@
+// ========================================================================
+// Copyright (c) 2003-2009 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.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+
+import org.eclipse.jetty.io.EndPoint;
+import org.eclipse.jetty.io.EofException;
+import org.eclipse.jetty.io.HttpException;
+import org.eclipse.jetty.io.nio.ChannelEndPoint;
+import org.eclipse.jetty.server.HttpConnection;
+import org.eclipse.jetty.server.Request;
+import org.eclipse.jetty.util.log.Log;
+
+
+/* ------------------------------------------------------------------------------- */
+/**  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 transient ServerSocketChannel _acceptChannel;
+    
+    /* ------------------------------------------------------------ */
+    /** Constructor.
+     * 
+     */
+    public BlockingChannelConnector()
+    {
+    }
+
+    /* ------------------------------------------------------------ */
+    public Object getConnection()
+    {
+        return _acceptChannel;
+    }
+    
+    /* ------------------------------------------------------------ */
+    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;
+    }
+    
+    /* ------------------------------------------------------------ */
+    public void accept(int acceptorID)
+    	throws IOException, InterruptedException
+    {   
+        SocketChannel channel = _acceptChannel.accept();
+        channel.configureBlocking(true);
+        Socket socket=channel.socket();
+        configure(socket);
+
+        Connection connection=new Connection(channel);
+        connection.dispatch();
+    }
+    
+    /* ------------------------------------------------------------------------------- */
+    public void customize(EndPoint endpoint, Request request)
+        throws IOException
+    {
+        Connection connection = (Connection)endpoint;
+        if (connection._sotimeout!=_maxIdleTime)
+        {
+            connection._sotimeout=_maxIdleTime;
+            ((SocketChannel)endpoint.getTransport()).socket().setSoTimeout(_maxIdleTime);
+        }
+              
+        super.customize(endpoint, request);
+        configure(((SocketChannel)endpoint.getTransport()).socket());
+    }
+
+
+    /* ------------------------------------------------------------------------------- */
+    public int getLocalPort()
+    {
+        if (_acceptChannel==null || !_acceptChannel.isOpen())
+            return -1;
+        return _acceptChannel.socket().getLocalPort();
+    }
+    
+    /* ------------------------------------------------------------------------------- */
+    /* ------------------------------------------------------------------------------- */
+    /* ------------------------------------------------------------------------------- */
+    private class Connection extends ChannelEndPoint implements Runnable
+    {
+        boolean _dispatched=false;
+        HttpConnection _connection;
+        int _sotimeout;
+        
+        Connection(ByteChannel channel) 
+        {
+            super(channel);
+            _connection = new HttpConnection(BlockingChannelConnector.this,this,getServer());
+        }
+        
+        void dispatch() throws IOException
+        {
+            if (!getThreadPool().dispatch(this))
+            {
+                Log.warn("dispatch failed for  {}",_connection);
+                close();
+            }
+        }
+        
+        public void run()
+        {
+            try
+            {
+                connectionOpened(_connection);
+                
+                while (isOpen())
+                {
+                    if (_connection.isIdle())
+                    {
+                        if (getServer().getThreadPool().isLowOnThreads())
+                        {
+                            if (_sotimeout!=getLowResourceMaxIdleTime())
+                            {
+                                _sotimeout=getLowResourceMaxIdleTime();
+                                ((SocketChannel)getTransport()).socket().setSoTimeout(_sotimeout);
+                            }
+                        }
+                    }
+                    _connection.handle();
+                }
+            }
+            catch (EofException 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(Throwable e)
+            {
+                Log.warn("handle failed",e);
+                try{close();}
+                catch(IOException e2){Log.ignore(e2);}
+            }
+            finally
+            {
+                connectionClosed(_connection);
+            }
+        }
+    }
+}