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A reactive Java web server.
/*
* Copyright (c) 1998-2015 Caucho Technology -- all rights reserved
*
* This file is part of Baratine(TM)
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Baratine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Baratine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Baratine; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.v5.http.pod;
import java.util.ArrayList;
import java.util.Objects;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.caucho.v5.amp.Amp;
import com.caucho.v5.amp.ServicesAmp;
import com.caucho.v5.amp.ServiceRefAmp;
import com.caucho.v5.amp.manager.ServicesAmpImpl;
import com.caucho.v5.amp.spi.InboxAmp;
import com.caucho.v5.amp.spi.OutboxAmp;
import com.caucho.v5.amp.spi.RegistryAmp;
import com.caucho.v5.amp.spi.ServiceManagerBuilderAmp;
import com.caucho.v5.amp.spi.ShutdownModeAmp;
import com.caucho.v5.bartender.BartenderSystem;
import com.caucho.v5.bartender.ServerBartender;
import com.caucho.v5.bartender.pod.NodePodAmp;
import com.caucho.v5.bartender.pod.PodBartender;
import com.caucho.v5.deploy2.DeployInstance2;
import com.caucho.v5.inject.InjectorAmp;
import com.caucho.v5.javac.WorkDir;
import com.caucho.v5.lifecycle.Lifecycle;
import com.caucho.v5.loader.DependencyContainer;
import com.caucho.v5.loader.DynamicClassLoader;
import com.caucho.v5.loader.EnvLoader;
import com.caucho.v5.loader.EnvironmentClassLoader;
import com.caucho.v5.loader.EnvironmentLocal;
import com.caucho.v5.vfs.PathImpl;
import com.caucho.v5.vfs.VfsOld;
/**
* Builder for the webapp to encapsulate the configuration process.
*/
public class PodApp implements DeployInstance2, PodManagerApp
//implements DeployInstanceEnvironment, EnvironmentBean, PodManagerApp
{
private static final Logger log = Logger.getLogger(PodApp.class.getName());
private static final EnvironmentLocal _podAppLocal
= new EnvironmentLocal<>();
private String _id;
private EnvironmentClassLoader _classLoader;
private Throwable _configException;
private ServicesAmp _ampManager;
private PodAppBuilder _builder;
private final Lifecycle _lifecycle;
//private PodAppController _controller;
private InjectorAmp _injectManager;
private String _tag;
private NodePodAmp _podNode;
private long _activeWaitTime = 60000L;
private ServerBartender _serverSelf;
private DependencyContainer _depend = new DependencyContainer();
PodApp(PodAppBuilder builder)
{
_id = builder.getId();
_classLoader = builder.getClassLoader();
Objects.requireNonNull(_classLoader);
//_classLoader.addScanListener();
_builder = builder;
//_controller = builder.getController();
_serverSelf = BartenderSystem.getCurrentSelfServer();
_podNode = _builder.getPodShard();
_depend.add(_classLoader);
_depend.setCheckInterval(2000);
_lifecycle = new Lifecycle(log, toString(), Level.FINER);
_podAppLocal.set(this, _classLoader);
}
public static PodApp getCurrent()
{
return _podAppLocal.get();
}
public String getId()
{
return _id;
}
public String getPodName()
{
//return _controller.getPodName();
throw new UnsupportedOperationException();
}
public String getTag()
{
return _tag;
}
//@Override
public EnvironmentClassLoader getClassLoader()
{
return _classLoader;
}
PodAppBuilder getBuilder()
{
return _builder;
}
public boolean isActive()
{
return _lifecycle.isActive();
}
public PathImpl getRootDirectory()
{
//return _controller.getRootDirectory();
throw new UnsupportedOperationException();
}
public NodePodAmp getPodNode()
{
//return _controller.getPodNode();
throw new UnsupportedOperationException();
}
//@Override
public void setConfigException(Throwable e)
{
_configException = e;
setAmpConfigException(e);
}
private void setAmpConfigException(Throwable e)
{
if (_ampManager instanceof ServicesAmpImpl) {
((ServicesAmpImpl) _ampManager).setConfigException(e);
}
}
@Override
public Throwable getConfigException()
{
return _configException;
}
/*
@Override
public boolean isDeployIdle()
{
return false;
}
*/
@Override
public ServicesAmp getAmpManager()
{
return _ampManager;
}
public Iterable getServiceList()
{
ArrayList services = new ArrayList<>();
ServicesAmp ampManager = getAmpManager();
RegistryAmp registry = ampManager.registry();
for (ServiceRefAmp service : registry.getServices()) {
if (service.address().startsWith("public:///")) {
services.add(service);
}
else if (service.address().startsWith("pod:///")) {
services.add(service);
}
else if (service.address().startsWith("session:///")) {
services.add(service);
}
}
// ampManager.getL..getS
return services;
}
@Override
public boolean isModified()
{
return _depend.isModified() || _lifecycle.isAfterStopping();
}
@Override
public boolean isModifiedNow()
{
return _depend.isModifiedNow() || _lifecycle.isAfterStopping();
}
@Override
public boolean logModified(Logger log)
{
return _depend.logModified(log);
}
// lifecycle
//
protected void initConstructor()
{
try {
// _classLoader.setId("web-app:" + getId());
PathImpl rootDirectory = getRootDirectory();
VfsOld.setPwd(rootDirectory, _classLoader);
WorkDir.setLocalWorkDir(rootDirectory.lookup("META-INF/work"),
_classLoader);
// _listenerManager = getBuilder().getListenerManager();
//getBuilder().getScanner().addScanListeners();
// _invocationDependency.add(_controller);
_injectManager = InjectorAmp.create(_classLoader);
//_cdiManager.addExtension(new CdiExtensionBaratine(_cdiManager));
//_injectManager.scanRoot(_classLoader);
} catch (Throwable e) {
setConfigException(e);
}
}
/*
@Override
public void preConfigInit() throws Exception
{
}
*/
public void postClassLoaderInit()
{
// bartender.setLocalShard(pod.getNode(podNode));
ServiceManagerBuilderAmp builder = ServicesAmp.newManager();
builder.name(EnvLoader.getEnvironmentName());
BartenderSystem bartender = BartenderSystem.current();
if (bartender != null) {
PodBartender pod = bartender.findActivePod(getPodName());
Objects.requireNonNull(pod);
int podNode = _builder.getPodNode();
bartender.setLocalPod(pod);
//builder.setPodNode(new ServiceNodeImpl(pod.getNode(podNode)));
}
/*
//builder.setJournalMaxCount(_builder.getJournalMaxCount());
builder.setJournalDelay(_builder.getJournalDelay());
// XXX: config timing issue
builder.debug(_builder.isDebug());
builder.debugQueryTimeout(_builder.getDebugQueryTimeout());
builder.autoStart(false);
*/
_ampManager = builder.start();
/*
if (_controller.getConfigException() != null) {
setAmpConfigException(_controller.getConfigException());
}
else if (_configException != null) {
setAmpConfigException(_configException);
}
*/
Amp.contextManager(_ampManager);
/*
_ampManager.run(()->{
EmbedBuilder embedBuilder = new EmbedBuilder();
embedBuilder.scanClassLoader();
embedBuilder.build();
});
*/
}
/*
@Override
public void init() throws Exception
{
}
*/
public boolean waitForActive()
{
return _lifecycle.waitForActive(_activeWaitTime);
}
// @Override
public void start()
{
if (! _lifecycle.toStarting()) {
return;
}
if (! isPodOwner()) {
// XXX: managed by controller?
System.out.println("Started without pod ownership: " + this);
_lifecycle.toActive();
return;
}
Objects.requireNonNull(_ampManager);
Object oldCxt = null;
try (OutboxAmp outbox = OutboxAmp.currentOrCreate(_ampManager)) {
oldCxt = outbox.getAndSetContext(_ampManager.inboxSystem());
_tag = _builder.getTag();
getClassLoader().start();
//if (isPodOwner()) {
_ampManager.start();
onPodAppStart();
_lifecycle.toActive();
outbox.getAndSetContext(oldCxt);
} catch (Throwable e) {
_lifecycle.toError();
throw e;
}
}
private boolean isPodOwner()
{
if (_podNode.index() < 0) {
return true;
}
return _podNode.isServerOwner(_serverSelf);
}
@Override
public void shutdown(ShutdownModeAmp mode)
{
if (! _lifecycle.toDestroy()) {
return;
}
try {
onPodAppStop();
//ShutdownModeAmp mode = _controller.getShutdownMode();
ServicesAmp ampManager = _ampManager;
if (ampManager != null) {
ampManager.shutdown(mode);
}
} catch (Throwable e) {
log.log(Level.WARNING, e.toString(), e);
} finally {
getClassLoader().destroy();
}
}
private void onPodAppStart()
{
getPodContainer().onPodStart(getId(), getTag());
}
private void onPodAppStop()
{
getPodContainer().onPodStop(getId(), getTag());
}
private PodContainer getPodContainer()
{
//return _controller.getContainer();
throw new UnsupportedOperationException();
}
@Override
public String toString()
{
if (_lifecycle != null) {
return getClass().getSimpleName() + "[" + getId() + "," + _lifecycle.getState() + "]";
}
else {
return getClass().getSimpleName() + "[" + getId() + "]";
}
}
@Override
public DynamicClassLoader classLoader()
{
// TODO Auto-generated method stub
return null;
}
@Override
public Throwable configException()
{
// TODO Auto-generated method stub
return null;
}
}
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