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package com.sun.enterprise.v3.services.impl;
import com.sun.enterprise.util.Result;
import com.sun.enterprise.v3.services.impl.monitor.GrizzlyMonitoring;
import com.sun.enterprise.config.serverbeans.VirtualServer;
import org.jvnet.hk2.config.types.Property;
import com.sun.grizzly.Controller;
import com.sun.grizzly.ControllerStateListener;
import com.sun.grizzly.config.GrizzlyEmbeddedHttp;
import com.sun.grizzly.config.dom.NetworkListener;
import com.sun.grizzly.config.dom.Protocol;
import com.sun.grizzly.http.SelectorThread;
import com.sun.grizzly.tcp.Adapter;
import com.sun.grizzly.tcp.StaticResourcesAdapter;
import com.sun.grizzly.util.http.mapper.Mapper;
import com.sun.grizzly.util.Grizzly;
import com.sun.hk2.component.ExistingSingletonInhabitant;
import org.glassfish.api.container.EndpointRegistrationException;
import org.glassfish.api.deployment.ApplicationContainer;
import org.glassfish.internal.grizzly.V3Mapper;
import org.jvnet.hk2.component.Inhabitant;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This clas is responsible for configuring Grizzly {@link SelectorThread}.
*
* @author Jerome Dochez
* @author Jeanfrancois Arcand
*/
public class GrizzlyProxy implements NetworkProxy {
protected GrizzlyListener grizzlyListener;
final Logger logger;
final NetworkListener networkListener;
private int portNumber;
public final static String LEADER_FOLLOWER
= "com.sun.grizzly.useLeaderFollower";
public final static String AUTO_CONFIGURE
= "com.sun.grizzly.autoConfigure";
// <http-listener> 'address' attribute
private InetAddress address;
private GrizzlyService grizzlyService;
private VirtualServer vs;
public GrizzlyProxy(GrizzlyService service, NetworkListener listener) {
grizzlyService = service;
logger = service.getLogger();
networkListener = listener;
String port = networkListener.getPort();
portNumber = 8080;
if (port == null) {
logger.severe("Cannot find port information from domain.xml");
throw new RuntimeException("Cannot find port information from domain configuration");
}
try {
portNumber = Integer.parseInt(port);
} catch (NumberFormatException e) {
logger.severe("Cannot parse port value : " + port + ", using port 8080");
}
try {
address = InetAddress.getByName(networkListener.getAddress());
} catch (UnknownHostException ex) {
logger.log(Level.SEVERE, "Unknown address " + address, ex);
}
configureGrizzly();
}
/**
* Create a <code>GrizzlyServiceListener</code> based on a NetworkListener
* configuration object.
*/
private void configureGrizzly() {
if(!("light-weight-listener".equals(networkListener.getProtocol()))) {
registerMonitoringStatsProviders();
}
grizzlyListener = new GrizzlyListener(grizzlyService.getMonitoring(), new Controller(){
public void logVersion(){}
}, networkListener.getName());
grizzlyListener.configure(networkListener, grizzlyService.habitat);
if(!grizzlyListener.isGenericListener()) {
final GrizzlyEmbeddedHttp embeddedHttp = grizzlyListener.getEmbeddedHttp();
final Protocol httpProtocol = networkListener.findHttpProtocol();
if (httpProtocol != null) {
final V3Mapper mapper = new V3Mapper(logger);
mapper.setPort(portNumber);
mapper.setId(networkListener.getName());
final ContainerMapper adapter = new ContainerMapper(grizzlyService, embeddedHttp);
adapter.setMapper(mapper);
adapter.setDefaultHost(grizzlyListener.getDefaultVirtualServer());
adapter.configureMapper();
embeddedHttp.setAdapter(adapter);
String ct = httpProtocol.getHttp().getDefaultResponseType();
adapter.setDefaultContentType(ct);
final Collection<VirtualServer> list = grizzlyService.getHabitat().getAllByContract(VirtualServer.class);
final String vsName = httpProtocol.getHttp().getDefaultVirtualServer();
for (VirtualServer virtualServer : list) {
if (virtualServer.getId().equals(vsName)) {
vs = virtualServer;
embeddedHttp.setWebAppRootPath(vs.getDocroot());
if (!grizzlyService.hasMapperUpdateListener() &&
vs.getProperty() != null && !vs.getProperty().isEmpty()) {
for (Property p: vs.getProperty()){
String name = p.getName();
if (name.startsWith("alternatedocroot")){
String value = p.getValue();
String[] mapping = value.split(" ");
if (mapping.length != 2){
logger.log(Level.WARNING, "Invalid alternate_docroot " + value);
continue;
}
String docBase = mapping[1].substring("dir=".length());
String urlPattern = mapping[0].substring("from=".length());
try {
StaticResourcesAdapter a = new StaticResourcesAdapter();
a.addRootFolder(docBase);
ArrayList<String> al = toArray(vs.getHosts(),";");
al.add(grizzlyListener.getDefaultVirtualServer());
registerEndpoint(urlPattern,al , a, null);
} catch (EndpointRegistrationException ex) {
logger.log(Level.SEVERE, "Unable to set alternate_docroot", ex);
}
}
}
}
break;
}
}
adapter.addRootFolder(embeddedHttp.getWebAppRootPath());
Inhabitant<Mapper> onePortMapper = new ExistingSingletonInhabitant<Mapper>(mapper);
grizzlyService.getHabitat().addIndex(onePortMapper,
Mapper.class.getName(), (networkListener.getAddress() + networkListener.getPort()));
grizzlyService.notifyMapperUpdateListeners(networkListener, mapper);
}
boolean autoConfigure = false;
// Avoid overriding the default with false
if (System.getProperty(AUTO_CONFIGURE) != null){
autoConfigure = true;
}
embeddedHttp.getController().setAutoConfigure(autoConfigure);
boolean leaderFollower = false;
// Avoid overriding the default with false
if (System.getProperty(LEADER_FOLLOWER) != null){
leaderFollower = true;
}
embeddedHttp.getController().useLeaderFollowerStrategy(leaderFollower);
}
}
static ArrayList<String> toArray(String list, String token){
return new ArrayList<String>(Arrays.asList(list.split(token)));
}
/**
* Stops the Grizzly service.
*/
@Override
public void stop() {
grizzlyListener.stop();
}
@Override
public void destroy() {
if(!grizzlyListener.isGenericListener()) {
grizzlyService.getHabitat().removeIndex(Mapper.class.getName(),
(networkListener.getAddress() + networkListener.getPort()));
unregisterMonitoringStatsProviders();
}
}
@Override
public String toString() {
return "GrizzlyProxy{" +
"virtual server=" + vs +
", address=" + address +
", portNumber=" + portNumber +
'}';
}
/*
* Registers a new endpoint (adapter implementation) for a particular
* context-root. All request coming with the context root will be dispatched
* to the adapter instance passed in.
* @param contextRoot for the adapter
* @param endpointAdapter servicing requests.
*/
@Override
public void registerEndpoint(String contextRoot, Collection<String> vsServers, Adapter endpointAdapter,
ApplicationContainer container) throws EndpointRegistrationException {
if(grizzlyListener.isGenericListener()) {
return;
}
// e.g., there is no admin service in an instance
if (contextRoot == null) {
return;
}
if (endpointAdapter == null) {
throw new EndpointRegistrationException(
"The endpoint adapter is null");
}
((ContainerMapper)grizzlyListener.getEmbeddedHttp().getAdapter())
.register(contextRoot, vsServers, endpointAdapter, container);
}
/**
* Removes the contex-root from our list of endpoints.
*/
@Override
public void unregisterEndpoint(String contextRoot, ApplicationContainer app) throws EndpointRegistrationException {
if(grizzlyListener.isGenericListener()) {
return;
}
((ContainerMapper) grizzlyListener.getEmbeddedHttp().getAdapter())
.unregister(contextRoot);
}
@Override
public Future<Result<Thread>> start() {
final GrizzlyFuture future = new GrizzlyFuture();
final long t1 = System.currentTimeMillis();
final Thread thread = new Thread() {
@Override
public void run() {
try {
final Thread t = Thread.currentThread();
grizzlyListener.initEndpoint();
grizzlyListener.getController().addStateListener(new ControllerStateListener() {
@Override
public void onStarted() {
}
@Override
public void onReady() {
if (logger.isLoggable(Level.INFO)){
logger.info("Grizzly Framework " + Grizzly.getRawVersion() + " started in: "
+ (System.currentTimeMillis() - t1)
+ "ms - bound to ["
+ grizzlyListener.getListener().getAddress()
+ ':' + grizzlyListener.getPort() + ']');
}
future.setResult(new Result<Thread>(t));
}
@Override
public void onStopped() {
}
@Override
public void onException(Throwable throwable) {
future.setResult(new Result<Thread>(throwable));
}
});
grizzlyListener.startEndpoint();
} catch (InstantiationException e) {
logger.log(Level.SEVERE, "Cannot start grizzly listener", e);
} catch (IOException e) {
logger.log(Level.SEVERE, "Cannot start grizzly listener", e);
} catch (RuntimeException e) {
logger.log(Level.INFO, "Exception in grizzly thread", e);
} catch (Throwable e) {
logger.log(Level.INFO, e.getMessage(), e);
}
}
};
thread.setPriority(Thread.MAX_PRIORITY);
thread.start();
return future;
}
@Override
public int getPort() {
return portNumber;
}
@Override
public InetAddress getAddress() {
return address;
}
public GrizzlyListener getUnderlyingListener() {
return grizzlyListener;
}
protected void registerMonitoringStatsProviders() {
final String name = networkListener.getName();
final GrizzlyMonitoring monitoring = grizzlyService.getMonitoring();
monitoring.registerThreadPoolStatsProvider(name);
monitoring.registerKeepAliveStatsProvider(name);
monitoring.registerFileCacheStatsProvider(name);
monitoring.registerConnectionQueueStatsProvider(name);
}
protected void unregisterMonitoringStatsProviders() {
final String name = networkListener.getName();
final GrizzlyMonitoring monitoring = grizzlyService.getMonitoring();
monitoring.unregisterThreadPoolStatsProvider(name);
monitoring.unregisterKeepAliveStatsProvider(name);
monitoring.unregisterFileCacheStatsProvider(name);
monitoring.unregisterConnectionQueueStatsProvider(name);
}
public static final class GrizzlyFuture implements Future<Result<Thread>> {
Result<Thread> result;
CountDownLatch latch = new CountDownLatch(1);
public void setResult(Result<Thread> result) {
this.result = result;
latch.countDown();
}
@Override
public boolean cancel(boolean mayInterruptIfRunning) {
return false;
}
@Override
public boolean isCancelled() {
return false;
}
@Override
public boolean isDone() {
return latch.getCount() == 0;
}
@Override
public Result<Thread> get() throws InterruptedException {
latch.await();
return result;
}
@Override
public Result<Thread> get(long timeout, TimeUnit unit) throws InterruptedException {
latch.await(timeout, unit);
return result;
}
}
}