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package com.sun.grizzly.aio.http;
import com.sun.grizzly.Context;
import com.sun.grizzly.DefaultProtocolChain;
import com.sun.grizzly.DefaultProtocolChainInstanceHandler;
import com.sun.grizzly.ProtocolChain;
import com.sun.grizzly.ProtocolFilter;
import com.sun.grizzly.aio.TCPAIOHandler;
import com.sun.grizzly.aio.AIOController;
import com.sun.grizzly.aio.filter.AIOReadFilter;
import com.sun.grizzly.http.ProcessorTask;
import com.sun.grizzly.http.FileCacheFactory;
import com.sun.grizzly.http.SelectorThread;
import com.sun.grizzly.http.StatsThreadPool;
import com.sun.grizzly.rcm.ResourceAllocationFilter;
import com.sun.grizzly.util.WorkerThread;
import com.sun.grizzly.util.LoggerUtils;
import java.nio.ByteBuffer;
import java.util.concurrent.Callable;
/**
* SelectorThread implementation based on AIO. Documentation to comes.
*
* @author Jean-Francois Arcand
*/
public class AsyncAcceptorThread extends SelectorThread {
// -------------------------------------------------------------- Init //
/**
* Init the {@link ExecutorService}s used by the {@link WorkerThread}s.
*/
@Override
public void initThreadPool(){
selectorThreads.put(port,this);
System.setProperty("java.nio.channels.DefaultThreadPool.threadFactory"
,com.sun.grizzly.aio.http.WorkerThreadFactory.class.getName());
logger.info("Swithching Grizzly Http Thread Pool to: "
+ com.sun.grizzly.aio.http.WorkerThreadFactory.class.getName());
StatsThreadPool statsThreadPool = new StatsThreadPool(){
@Override
public synchronized void execute(Runnable runnable) {
}
@Override
public void stop() {
}
};
statsThreadPool.setMaximumPoolSize(
StatsThreadPool.DEFAULT_MAX_THREAD_COUNT);
setThreadPool(statsThreadPool);
}
/**
* Initialize the Grizzly Framework classes.
*/
@Override
protected void initController(){
if (controller == null){
controller = new AIOController();
}
// Set the logger of the utils package to the same as this class.
LoggerUtils.setLogger(logger);
// Set the controller logger
AIOController.setLogger(logger);
TCPAIOHandler aioHandler = new TCPAIOHandler(controller);
aioHandler.setPort(port);
((AIOController)controller).addAIOHandler(aioHandler);
final DefaultProtocolChain protocolChain = new DefaultProtocolChain(){
@Override
public void execute(Context ctx) throws Exception {
if (rcmSupport) {
ByteBuffer byteBuffer =
(ByteBuffer)ctx.getAttribute
(ResourceAllocationFilter.BYTE_BUFFER);
// Switch ByteBuffer
if (byteBuffer != null){
((WorkerThread)Thread.currentThread())
.setByteBuffer(byteBuffer);
}
if (protocolFilters.size() != 0){
int currentPosition = super.executeProtocolFilter(ctx);
super.postExecuteProtocolFilter(currentPosition, ctx);
}
} else {
super.execute(ctx);
}
}
};
configureFilters(protocolChain);
DefaultProtocolChainInstanceHandler instanceHandler
= new DefaultProtocolChainInstanceHandler(){
/**
* Always return instance of ProtocolChain.
*/
@Override
public ProtocolChain poll(){
return protocolChain;
}
/**
* Pool an instance of ProtocolChain.
*/
@Override
public boolean offer(ProtocolChain instance){
return true;
}
};
controller.setProtocolChainInstanceHandler(instanceHandler);
}
/**
* Create {@link AIOProcessorTask} objects and configure it to be ready
* to proceed request.
*/
@Override
protected ProcessorTask newProcessorTask(boolean initialize){
ProcessorTask task =
new AIOProcessorTask(initialize, bufferResponse);
return configureProcessorTask(task);
}
/**
* Initialize the {@link FileCacheFactory} associated with this instance
*/
@Override
protected void initFileCacheFactory(){
if (fileCacheFactory != null) return;
fileCacheFactory = FileCacheFactory.getFactory(port, AIOFileCache.class);
FileCacheFactory.setIsEnabled(isFileCacheEnabled);
fileCacheFactory.setLargeFileCacheEnabled(isLargeFileCacheEnabled);
fileCacheFactory.setSecondsMaxAge(secondsMaxAge);
fileCacheFactory.setMaxCacheEntries(maxCacheEntries);
fileCacheFactory.setMinEntrySize(minEntrySize);
fileCacheFactory.setMaxEntrySize(maxEntrySize);
fileCacheFactory.setMaxLargeCacheSize(maxLargeFileCacheSize);
fileCacheFactory.setMaxSmallCacheSize(maxSmallFileCacheSize);
fileCacheFactory.setIsMonitoringEnabled(isMonitoringEnabled);
fileCacheFactory.setHeaderBBSize(requestBufferSize);
}
/**
* Adds and configures {@link ProtocolChain}'s filters
* @param {@link ProtocolChain} to configure
*/
@Override
protected void configureFilters(ProtocolChain protocolChain) {
if (portUnificationFilter != null) {
protocolChain.addFilter(portUnificationFilter);
} else {
AIOReadFilter readFilter = new AIOReadFilter();
protocolChain.addFilter(readFilter);
}
protocolChain.addFilter(createHttpParserFilter());
}
/**
* Create HTTP parser {@link ProtocolFilter}
* @return HTTP parser {@link ProtocolFilter}
*/
@Override
protected ProtocolFilter createHttpParserFilter() {
return new AIOHttpParser(algorithmClass, port);
}
}