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/*
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*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
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* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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package com.sun.ejb.containers;
import java.io.File;
import java.io.Serializable;
import java.net.InetAddress;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.inject.Inject;
import jakarta.inject.Named;
import com.sun.appserv.util.cache.CacheListener;
import com.sun.ejb.Container;
import com.sun.ejb.ContainerFactory;
import com.sun.ejb.base.container.util.CacheProperties;
import com.sun.ejb.base.sfsb.util.ScrambledKeyGenerator;
import com.sun.ejb.base.sfsb.util.SimpleKeyGenerator;
import com.sun.ejb.containers.util.cache.FIFOSessionCache;
import com.sun.ejb.containers.util.cache.LruSessionCache;
import com.sun.ejb.containers.util.cache.NRUSessionCache;
import com.sun.ejb.containers.util.cache.UnBoundedSessionCache;
import com.sun.enterprise.config.serverbeans.AvailabilityService;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.security.SecurityManager;
import com.sun.enterprise.util.Utility;
import fish.payara.nucleus.hazelcast.HazelcastCore;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.api.deployment.DeployCommandParameters;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.ejb.LogFacade;
import org.glassfish.ejb.config.EjbContainer;
import org.glassfish.ejb.config.EjbContainerAvailability;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.EjbSessionDescriptor;
import org.glassfish.ha.store.api.BackingStore;
import org.glassfish.ha.store.api.BackingStoreConfiguration;
import org.glassfish.ha.store.api.BackingStoreException;
import org.glassfish.ha.store.api.BackingStoreFactory;
import org.glassfish.ha.store.util.SimpleMetadata;
import org.jvnet.hk2.annotations.Optional;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.logging.annotation.LogMessageInfo;
/**
* A builder for StatefulSessionContainer. Takes care of
* building / initializing the StatefulSessionContainer
* with the following classes:
* a) Cache (LRU / NRU / FIFO / UnBounded)
* b) SFSBStoreManager (Using PersistenceStrategyBuilder)
* c) Cache passivation task (if idle-timeout is greater than 0)
* d) Passivated sessions removal task (if removal-timeout is greater than 0)
* e) CheckpointPolicy (if ha enabled)
* f) SFSBUUIDUtil
* g) BeanLifecycleManager
*
* @author Mahesh Kannan
*/
@Service(name = "StatefulContainerFactory")
@PerLookup
public class StatefulContainerFactory extends BaseContainerFactory
implements PostConstruct, ContainerFactory {
protected static final Logger _logger = LogFacade.getLogger();
@LogMessageInfo(
message = "TopLevel AvailabilityService.getAvailabilityEnabled: [{0}]",
level = "INFO")
private static final String SFSB_BUILDER_TOP_LEVEL_AVAILABILITY_SERVICE_ENABLED = "AS-EJB-00036";
@LogMessageInfo(
message = "TopLevel EjbAvailabilityService.getAvailabilityEnabled: [{0}]",
level = "INFO")
private static final String SFSB_BUILDER_EJB_AVAILABILITY_SERVICE_ENABLED = "AS-EJB-00037";
@LogMessageInfo(
message = "Global AvailabilityEnabled: [{0}], application AvailabilityEnabled: [{1}]",
level = "INFO")
private static final String SFSB_BUILDER_GLOBAL_AND_APP_AVAILABILITY_ENABLED = "AS-EJB-00038";
@LogMessageInfo(
message = "Exception while trying to determine availability-enabled settings for this app",
level = "WARNING")
private static final String SFSB_BUILDER_DETERMINE_AVAILABILITY_EXCEPTION = "AS-EJB-00039";
@LogMessageInfo(
message = "StatefulContainerBuilder AvailabilityEnabled [{0}] for this application",
level = "INFO")
private static final String SFSB_BUILDER_RESOLVED_AVAILABILITY_ENABLED = "AS-EJB-00040";
@LogMessageInfo(
message = "StatefulContainerBuilder.buildStoreManager() storeName: [{0}]",
level = "INFO")
private static final String SFSB_BUILDER_STORE_NAME = "AS-EJB-00041";
@LogMessageInfo(
message = "Could not instantiate backing store for type [{0}]",
level = "WARNING")
private static final String SFSB_BUILDER_INSTANTIATE_BACKING_STORE_EXCEPTION = "AS-EJB-00042";
@LogMessageInfo(
message = "StatefulContainerbuilder instantiated store: {0}, " +
"with ha-enabled [{1}], and backing store configuration: {2}",
level = "INFO")
private static final String SFSB_BUILDER_INSTANTIATED_BACKING_STORE = "AS-EJB-00043";
@LogMessageInfo(
message = "Error while adding idle bean passivator task",
level = "WARNING")
private static final String SFSB_HELPER_ADD_IDLE_PASSIVATOR_TASK_FAILED = "AS-EJB-00044";
@LogMessageInfo(
message = "Error while adding idle bean removal task",
level = "WARNING")
private static final String SFSB_HELPER_ADD_REMOVE_PASSIVATOR_TASK_FAILED = "AS-EJB-00045";
@LogMessageInfo(
message = "Error while removing idle beans for [{0}]",
level = "WARNING")
static final String SFSB_HELPER_REMOVE_IDLE_BEANS_FAILED = "AS-EJB-00046";
@LogMessageInfo(
message = "Error while removing expired beans for [{0}]",
level = "WARNING")
static final String SFSB_HELPER_REMOVE_EXPIRED_BEANS_FAILED = "AS-EJB-00047";
@LogMessageInfo(
message = "Disabling high availability for the stateful session bean {0}, as its marked non passivatable",
level = "WARNING")
private static final String SFSB_HA_DISABLED_BY_PASSIVATION_SETTING = "AS-EJB-00051";
private static final Level TRACE_LEVEL = Level.FINE;
private EjbDescriptor ejbDescriptor;
private StatefulSessionContainer sfsbContainer;
@Inject
private ServiceLocator services;
@Inject
private CacheProperties cacheProps;
@Inject @Named(ServerEnvironment.DEFAULT_INSTANCE_NAME) @Optional
private AvailabilityService availabilityService;
@Inject @Optional
private EjbContainerAvailability ejbAvailability;
@Inject @Named(ServerEnvironment.DEFAULT_INSTANCE_NAME)
private Config serverConfig;
EjbContainer ejbContainerConfig;
@Inject @Optional
HazelcastCore hazelcast;
private LruSessionCache sessionCache;
private BackingStore backingStore;
private boolean HAEnabled = false;
private boolean asyncReplication = true;
private SimpleKeyGenerator keyGen;
public void postConstruct() {
ejbContainerConfig = serverConfig.getExtensionByType(EjbContainer.class);
}
public void buildComponents(byte[] ipAddress, int port,
DeploymentContext dc)
throws Exception {
if (availabilityService != null) {
this.HAEnabled = Boolean.valueOf(availabilityService.getAvailabilityEnabled());
_logger.log(Level.FINE, SFSB_BUILDER_TOP_LEVEL_AVAILABILITY_SERVICE_ENABLED, this.HAEnabled);
if ((this.HAEnabled) && (ejbAvailability != null)) {
this.HAEnabled = Boolean.valueOf(ejbAvailability.getAvailabilityEnabled());
_logger.log(Level.FINE, SFSB_BUILDER_EJB_AVAILABILITY_SERVICE_ENABLED, this.HAEnabled);
}
boolean appLevelHAEnabled = false;
try {
if (HAEnabled) {
if (dc != null) {
DeployCommandParameters params = dc.getCommandParameters(DeployCommandParameters.class);
if (params != null) {
appLevelHAEnabled = params.availabilityenabled;
asyncReplication = params.asyncreplication;
}
}
_logger.log(Level.FINE, SFSB_BUILDER_GLOBAL_AND_APP_AVAILABILITY_ENABLED,
new Object[] {this.HAEnabled, appLevelHAEnabled});
}
} catch (Exception ex) {
_logger.log(Level.WARNING, SFSB_BUILDER_DETERMINE_AVAILABILITY_EXCEPTION, ex);
appLevelHAEnabled = false;
}
HAEnabled = HAEnabled && appLevelHAEnabled;
_logger.log(Level.FINE, SFSB_BUILDER_RESOLVED_AVAILABILITY_ENABLED, this.HAEnabled);
}
EjbSessionDescriptor sessionDescriptor = (EjbSessionDescriptor)ejbDescriptor;
//When passivation is disabled, we should also forbid ha.
if (!sessionDescriptor.isPassivationCapable() && HAEnabled) {
if (_logger.isLoggable(Level.WARNING)) {
_logger.log(Level.WARNING, SFSB_HA_DISABLED_BY_PASSIVATION_SETTING, ejbDescriptor.getEjbClassName());
}
HAEnabled = false;
}
buildCheckpointPolicy(this.HAEnabled);
buildSFSBUUIDUtil(ipAddress, port);
//First build BackingStore before Cache is built
if (sessionDescriptor.isPassivationCapable()){
buildStoreManager();
} else{
if (_logger.isLoggable(TRACE_LEVEL)) {
_logger.log(TRACE_LEVEL, "Stateful session bean passivation is disabled, so do not create store manger");
}
}
buildCache();
scheduleTimerTasks(sfsbContainer);
}
/************************* Private Methods *************************/
/**
* ***************************************************************
*/
private final void buildCheckpointPolicy(boolean haEnabled) {
sfsbContainer.setHAEnabled(haEnabled);
}
private void buildSFSBUUIDUtil(byte[] ipAddress, int port) {
//Just for debugging purpose, we instantiate
// two different key generators
keyGen = HAEnabled
? new ScrambledKeyGenerator(ipAddress, port)
: new SimpleKeyGenerator(ipAddress, port);
sfsbContainer.setSFSBUUIDUtil(keyGen);
}
private void buildStoreManager()
throws BackingStoreException {
String persistenceStoreType = "file";
if (ejbAvailability != null) {
persistenceStoreType = HAEnabled
? ejbAvailability.getSfsbHaPersistenceType() : ejbAvailability.getSfsbPersistenceType();
if ("ha".equals(persistenceStoreType)) {
persistenceStoreType = "replicated";
} else if ("memory".equals(persistenceStoreType)) {
persistenceStoreType = "file";
}
}
BackingStoreConfiguration conf = new BackingStoreConfiguration();
String storeName = ejbDescriptor.getName() + "-" + ejbDescriptor.getUniqueId() + "-BackingStore";
_logger.log(Level.FINE, SFSB_BUILDER_STORE_NAME, storeName);
String subDirName = "";
/* if (ejbDescriptor.getApplication().isVirtual()) {
String archURI = ejbDescriptor.getEjbBundleDescriptor().
getModuleDescriptor().getArchiveUri();
subDirName += FileUtils.makeFriendlyFilename(archURI);
subDirName += "_" + FileUtils.makeFriendlyFilename(ejbDescriptor.getName());
} else {
subDirName += FileUtils.makeFriendlyFilename(ejbDescriptor.getApplication().getRegistrationName());
subDirName += "_" + FileUtils.makeFriendlyFilename(ejbDescriptor.getEjbBundleDescriptor().getName());
subDirName += "_" + FileUtils.makeFriendlyFilename(ejbDescriptor.getName());
}*/
subDirName += ejbDescriptor.getName() + "-" + ejbDescriptor.getUniqueId();
conf.setShortUniqueName(""+ejbDescriptor.getUniqueId()).setStoreName(storeName)
.setStoreType(persistenceStoreType)
.setBaseDirectory(new File(ejbContainerConfig.getSessionStore(), subDirName))
.setKeyClazz(Serializable.class)
.setValueClazz(SimpleMetadata.class)
.setClassLoader(StatefulContainerFactory.class.getClassLoader());
Map vendorMap = conf.getVendorSpecificSettings();
vendorMap.put("local.caching", true);
vendorMap.put("start.gms", false);
vendorMap.put("async.replication", asyncReplication);
vendorMap.put("broadcast.remove.expired", false);
vendorMap.put("value.class.is.thread.safe", true);
vendorMap.put("key.transformer", keyGen);
if (hazelcast != null) {
if (hazelcast.isEnabled()) {
conf.setClusterName(hazelcast.getMemberGroup());
conf.setInstanceName(hazelcast.getMemberName());
}
}
BackingStoreFactory factory = null;
try {
factory = services.getService(BackingStoreFactory.class, persistenceStoreType);
} catch (Exception ex) {
_logger.log(Level.WARNING, SFSB_BUILDER_INSTANTIATE_BACKING_STORE_EXCEPTION,
new Object[]{persistenceStoreType, ex});
}
try {
if (factory == null) {
factory = services.getService(BackingStoreFactory.class, "noop");
}
this.backingStore = factory.createBackingStore(conf);
} catch (Exception ex) {
_logger.log(Level.WARNING, SFSB_BUILDER_INSTANTIATE_BACKING_STORE_EXCEPTION,
new Object[]{persistenceStoreType, ex});
throw new BackingStoreException("Could not instantiate backing store for type [" +
persistenceStoreType + "]", ex);
}
_logger.log(Level.INFO, SFSB_BUILDER_INSTANTIATED_BACKING_STORE, new Object[]{backingStore, HAEnabled, conf});
}
private void buildCache() {
String cacheName = ejbDescriptor.getEjbClassName();
String victimPolicy = cacheProps.getVictimSelectionPolicy();
if (cacheProps.getMaxCacheSize() <= 0) {
sessionCache = new UnBoundedSessionCache(cacheName, sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
} else if ("lru".equalsIgnoreCase(victimPolicy)) {
sessionCache = new LruSessionCache(cacheName, sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
} else if ("fifo".equalsIgnoreCase(victimPolicy)) {
sessionCache = new FIFOSessionCache(cacheName, sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
} else {
sessionCache = new NRUSessionCache(cacheName, sfsbContainer,
cacheProps.getCacheIdleTimeoutInSeconds(),
cacheProps.getRemovalTimeoutInSeconds());
}
float ratio = (float) (1.0 * cacheProps.getNumberOfVictimsToSelect()
/ cacheProps.getMaxCacheSize());
float loadFactor = (float) (1.0 - ratio);
if (loadFactor < 0 || loadFactor > 1) {
loadFactor = 0.75f;
}
if (cacheProps.getMaxCacheSize() <= 0) {
sessionCache.init(16 * 1024, loadFactor, null);
} else {
sessionCache.init(cacheProps.getMaxCacheSize(), loadFactor, null);
}
sessionCache.addCacheListener((CacheListener) sfsbContainer);
sfsbContainer.setSessionCache(sessionCache);
sessionCache.setBackingStore(backingStore);
sfsbContainer.setBackingStore(this.backingStore);
if (cacheProps.getNumberOfVictimsToSelect() >
sfsbContainer.MIN_PASSIVATION_BATCH_COUNT) {
sfsbContainer.setPassivationBatchCount(
cacheProps.getNumberOfVictimsToSelect());
}
if (_logger.isLoggable(TRACE_LEVEL)) {
_logger.log(TRACE_LEVEL,
"Created cache for {0}; cache properties: {1}; loadFactor: {2}; backingStore: {3}",
new Object[]{ejbDescriptor.getName(), cacheProps, loadFactor, this.backingStore});
}
}
private void scheduleTimerTasks(StatefulSessionContainer container) {
String ejbName = ejbDescriptor.getEjbClassName();
if (cacheProps.getCacheIdleTimeoutInSeconds() > 0) {
long timeout = cacheProps.getCacheIdleTimeoutInSeconds() * 1000L;
try {
sfsbContainer.invokePeriodically(timeout, timeout,
new CachePassivatorTask(ejbName, sessionCache, _logger));
if (_logger.isLoggable(TRACE_LEVEL)) {
_logger.log(TRACE_LEVEL, "Added CachePassivator for {0} to run after {1} milliseconds",
new Object[]{ejbName, timeout});
}
} catch (Throwable th) {
_logger.log(Level.WARNING, SFSB_HELPER_ADD_IDLE_PASSIVATOR_TASK_FAILED, th);
}
}
if (cacheProps.getRemovalTimeoutInSeconds() > 0 && container.isPassivationCapable()) {
long timeout = cacheProps.getRemovalTimeoutInSeconds() * 1000L;
try {
sfsbContainer.invokePeriodically(timeout, timeout,
new ExpiredSessionsRemovalTask(ejbName,
this.sfsbContainer, _logger));
if (_logger.isLoggable(TRACE_LEVEL)) {
_logger.log(TRACE_LEVEL, "Added StorePassivator for {0} to run after {1} milliseconds",
new Object[]{ejbName, timeout});
}
} catch (Throwable th) {
_logger.log(Level.WARNING, SFSB_HELPER_ADD_REMOVE_PASSIVATOR_TASK_FAILED, th);
}
}
}
@Override
public Container createContainer(EjbDescriptor ejbDescriptor,
ClassLoader loader,
DeploymentContext deployContext)
throws Exception {
this.ejbDescriptor = ejbDescriptor;
//FIXME: Read from domain.xml iiop-service ip-addr
byte[] ipAddress = new byte[4];
try {
ipAddress = InetAddress.getLocalHost().getAddress();
} catch (Exception ex) {
long val = System.identityHashCode(ipAddress)
+ System.currentTimeMillis();
Utility.longToBytes(val, ipAddress, 0);
}
//FIXME: Read from domain.xml
int port = 8080;
cacheProps.init(ejbDescriptor);
SecurityManager sm = getSecurityManager(ejbDescriptor);
sfsbContainer = new StatefulSessionContainer(ejbDescriptor, loader, sm);
buildComponents(ipAddress, port, deployContext);
sfsbContainer.initializeHome();
return sfsbContainer;
}
}
class CachePassivatorTask
implements Runnable {
private LruSessionCache cache;
private Logger logger;
private String name;
CachePassivatorTask(String name, LruSessionCache cache, Logger logger) {
this.name = name;
this.cache = cache;
this.logger = logger;
}
public void run() {
try {
cache.trimTimedoutItems(Integer.MAX_VALUE);
} catch (Exception ex) {
if (logger.isLoggable(Level.WARNING)) {
logger.log(Level.WARNING, StatefulContainerFactory.SFSB_HELPER_REMOVE_IDLE_BEANS_FAILED,
new Object[]{name, ex});
}
}
}
}
class ExpiredSessionsRemovalTask
implements Runnable {
private StatefulSessionContainer container;
private Logger logger;
private String name;
ExpiredSessionsRemovalTask(String name,
StatefulSessionContainer container, Logger logger) {
this.name = name;
this.container = container;
this.logger = logger;
}
public void run() {
try {
container.removeExpiredSessions();
} catch (Exception ex) {
if (logger.isLoggable(Level.WARNING)) {
logger.log(Level.WARNING, StatefulContainerFactory.SFSB_HELPER_REMOVE_EXPIRED_BEANS_FAILED,
new Object[]{name, ex});
}
}
}
}
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