/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.web.connector.grizzly.blocking;
import com.sun.enterprise.web.connector.grizzly.PipelineStatistic;
import com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask;
import com.sun.enterprise.web.connector.grizzly.DefaultReadTask;
import com.sun.enterprise.web.connector.grizzly.TaskContext;
import com.sun.enterprise.web.connector.grizzly.TaskEvent;
import com.sun.enterprise.web.connector.grizzly.handlers.NoParsingHandler;
import java.io.IOException;
import java.net.Socket;
import java.util.logging.Level;
/**
* Process a blocking socket. By default, SSL is using blocking mode.
*
* @author Jean-Francois Arcand
*/
public class ReadBlockingTask extends DefaultReadTask{
/**
* The <code>PipelineStatistic</code> objects used when gathering statistics.
*/
protected PipelineStatistic pipelineStat;
/**
* If the <code>Task</code> handling an SSL based request.
*/
protected boolean isSecure = false;
/**
* The <code>Handler</code> used to pre-process the request.
*/
private NoParsingHandler handler;
public ReadBlockingTask(){
type = READ_TASK;
taskContext = new TaskContext();
taskEvent = new TaskEvent(taskContext);
taskEvent.setStatus(TaskEvent.START);
}
/**
* Force this task to always use the same <code>ProcessorTask</code>
* instance.
*/
public void attachProcessor(DefaultProcessorTask processorTask){
handler = new NoParsingHandler();
this.processorTask = processorTask;
processorTask.setHandler(handler);
}
/**
* Dispatch an Http request to a <code>ProcessorTask</code>
*/
public void doTask() throws IOException {
Socket socket = processorTask.getSocket();
SelectorBlockingThread blockingSelector =
(SelectorBlockingThread)selectorThread;
blockingSelector.setSocketOptions(socket);
if (isSecure) {
try {
blockingSelector.getServerSocketFactory().handshake(socket);
} catch (Throwable ex) {
selectorThread.getLogger().log(Level.FINE,
"selectorThread.sslHandshakeException", ex);
try {
socket.close();
} catch (IOException ioe){
// Do nothing
}
taskEvent.setStatus(TaskEvent.COMPLETED);
taskEvent(taskEvent);
return;
}
}
processorTask.addTaskListener(this);
addTaskListener((ProcessorBlockingTask)processorTask);
handler.attachChannel(socket.getChannel());
// Notify the ProcessorTask that we are ready to process the request.
fireTaskEvent(taskEvent);
}
/**
* Clear the current state and make this object ready for another request.
*/
public void recycle(){
clearTaskListeners();
taskEvent.setStatus(TaskEvent.START);
}
/**
* Gracefully close the blocking socket.
*/
protected void finishConnection(){
Socket socket = processorTask.getSocket();
if ( !isSecure ) {
try{
if (!socket.isInputShutdown()){
socket.shutdownInput();
}
} catch (IOException ioe){
;
}
try{
if (!socket.isOutputShutdown()){
socket.shutdownOutput();
}
} catch (IOException ex){
;
}
}
try{
socket.close();
} catch (IOException ex){
;
} finally {
if (isMonitoringEnabled()) {
getRequestGroupInfo().decreaseCountOpenConnections();
}
}
}
/**
* Receive notification from other <code>Task</code> and recycle this task.
*/
public void taskEvent(TaskEvent event){
if ( event.getStatus() == TaskEvent.COMPLETED){
finishConnection();
// We must recycle only if we are sure ProcessorTask has completed its
// processing. If not,
if (recycle) {
processorTask.recycle();
recycle();
selectorThread.returnTask(this);
}
}
}
/**
* Return the current <code>Socket</code> used by this instance
* @return socket the current <code>Socket</code> used by this instance
*/
public Socket getSocket(){
return processorTask.getSocket();
}
/**
* Set the <code>PipelineStatistic</code> object used to gather statistic;
*/
public void setPipelineStatistic(PipelineStatistic pipelineStatistic){
this.pipelineStat = pipelineStatistic;
}
/**
* Return the <code>PipelineStatistic</code> object used
* to gather statistic;
*/
public PipelineStatistic getPipelineStatistic(){
return pipelineStat;
}
/**
* Set the isSecure attribute.
*/
public void setSecure(boolean isSecure){
this.isSecure = isSecure;
}
/**
* Return the isSecure.
*/
public boolean getSecure(){
return isSecure;
}
}
|
