org.mortbay.jetty.grizzly.JettyReadTask Maven / Gradle / Ivy
//========================================================================
// Parts Copyright 2006 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
// 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 org.mortbay.jetty.grizzly;
import com.sun.enterprise.web.connector.grizzly.SelectorThread;
import com.sun.enterprise.web.connector.grizzly.StreamAlgorithm;
import java.io.IOException;
import com.sun.enterprise.web.connector.grizzly.XAReadTask;
import java.net.Socket;
import java.nio.channels.SocketChannel;
import java.nio.channels.spi.AbstractSelectableChannel;
import java.util.logging.Level;
/**
* Prepare the SocketChannel for reading, and delegates the
* parsing works to the JettyProcessorTask
*
* @author Jeanfrancois Atcand
* @author gregw
*/
public class JettyReadTask extends XAReadTask
{
public boolean executeProcessorTask() throws IOException
{
boolean registerKey=false;
if (SelectorThread.logger().isLoggable(Level.FINEST))
SelectorThread.logger().log(Level.FINEST,"executeProcessorTask");
/**
* TODO: File caching support? if ( algorithm.getHandler() != null &&
* algorithm.getHandler() .handle(null, Handler.REQUEST_BUFFERED) ==
* Handler.BREAK ){ return true; }
*/
// Get a processor task. If the processorTask != null, that means we
// failed to load all the bytes in a single channel.read().
if (processorTask==null)
{
attachProcessor(selectorThread.getProcessorTask());
} else {
configureProcessorTask();
}
try
{
// The socket might not have been read entirely and the parsing
// will fail, so we need to respin another event.
registerKey=processorTask.process(inputStream,null);
}
catch (Exception e)
{
SelectorThread.logger().log(Level.SEVERE,"readTask.processException",e);
registerKey=false;
}
finally
{
if (registerKey){
inKeepAliveProcess=false;
if (processorTask.isError())
{
byteBuffer = algorithm.rollbackParseState(byteBuffer);
return true;
} else {
byteBuffer.clear();
}
}
}
return registerKey;
}
}