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package com.sun.enterprise.v3.services.impl;
import java.util.logging.Logger;
import org.glassfish.grizzly.config.dom.NetworkListener;
import org.glassfish.grizzly.config.dom.Protocol;
import org.glassfish.grizzly.config.dom.ThreadPool;
import org.glassfish.grizzly.config.dom.Transport;
import org.glassfish.grizzly.filterchain.FilterChainBuilder;
import org.glassfish.grizzly.nio.transport.TCPNIOTransportBuilder;
import org.glassfish.grizzly.strategies.SameThreadIOStrategy;
import org.glassfish.grizzly.threadpool.GrizzlyExecutorService;
import org.glassfish.grizzly.threadpool.ThreadPoolConfig;
import org.glassfish.hk2.api.ServiceLocator;
/**
* This class extends Grizzly's GrizzlyServiceListener class to customize it for GlassFish and enable a single listener
* do both lazy service initialization as well as init of HTTP and admin listeners
*
* @author Vijay Ramachandran
* @author Alexey Stashok
*/
public class ServiceInitializerListener extends org.glassfish.grizzly.config.GenericGrizzlyListener {
private final Logger logger;
private final GrizzlyService grizzlyService;
private final NetworkListener networkListener;
public ServiceInitializerListener(final GrizzlyService grizzlyService,
final NetworkListener networkListener,
final Logger logger) {
this.grizzlyService = grizzlyService;
this.networkListener = networkListener;
this.logger = logger;
}
public NetworkListener getNetworkListener() {
return networkListener;
}
@Override
protected void configureTransport(final NetworkListener networkListener,
final Transport transportConfig,
final FilterChainBuilder filterChainBuilder) {
transport = configureDefaultThreadPoolConfigs(
TCPNIOTransportBuilder.newInstance().build());
final int acceptorThreads = transportConfig != null
? Integer.parseInt(transportConfig.getAcceptorThreads())
: Transport.ACCEPTOR_THREADS;
transport.setSelectorRunnersCount(acceptorThreads);
transport.getKernelThreadPoolConfig().setPoolName(networkListener.getName() + "-kernel");
if (acceptorThreads > 0) {
transport.getKernelThreadPoolConfig()
.setCorePoolSize(acceptorThreads)
.setMaxPoolSize(acceptorThreads);
}
rootFilterChain = FilterChainBuilder.stateless().build();
transport.setProcessor(rootFilterChain);
transport.setIOStrategy(SameThreadIOStrategy.getInstance());
}
@Override
protected void configureProtocol(final ServiceLocator habitat,
final NetworkListener networkListener,
final Protocol protocol, final FilterChainBuilder filterChainBuilder) {
filterChainBuilder.add(new ServiceInitializerFilter(this,
grizzlyService.getHabitat(), logger));
}
@Override
protected void configureThreadPool(final ServiceLocator habitat,
final NetworkListener networkListener,
final ThreadPool threadPool) {
// we don't need worker thread pool
transport.setWorkerThreadPoolConfig(null);
}
}