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// Portions Copyright [2016-2022] [Payara Foundation and/or its affiliates]
package org.glassfish.concurrent.runtime;
import com.sun.enterprise.config.serverbeans.Applications;
import com.sun.enterprise.container.common.spi.util.ComponentEnvManager;
import com.sun.enterprise.transaction.api.JavaEETransactionManager;
import com.sun.enterprise.util.Utility;
import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.concurrent.LogFacade;
import org.glassfish.concurrent.runtime.deployer.ContextServiceConfig;
import org.glassfish.concurrent.runtime.deployer.ManagedExecutorServiceConfig;
import org.glassfish.concurrent.runtime.deployer.ManagedScheduledExecutorServiceConfig;
import org.glassfish.concurrent.runtime.deployer.ManagedThreadFactoryConfig;
import org.glassfish.hk2.api.PostConstruct;
import org.glassfish.hk2.api.PreDestroy;
import org.glassfish.internal.data.ApplicationRegistry;
import org.glassfish.internal.deployment.Deployment;
import org.glassfish.resourcebase.resources.api.ResourceInfo;
import org.jvnet.hk2.annotations.Service;
import jakarta.inject.Inject;
import jakarta.inject.Singleton;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.NamingException;
import org.glassfish.enterprise.concurrent.AbstractManagedExecutorService;
import org.glassfish.enterprise.concurrent.AbstractManagedThread;
import org.glassfish.enterprise.concurrent.ContextServiceImpl;
import org.glassfish.enterprise.concurrent.ManagedExecutorServiceImpl;
import org.glassfish.enterprise.concurrent.ManagedScheduledExecutorServiceImpl;
import org.glassfish.enterprise.concurrent.ManagedThreadFactoryImpl;
import org.glassfish.enterprise.concurrent.spi.ContextHandle;
import org.glassfish.resourcebase.resources.naming.ResourceNamingService;
/**
* This class provides API to create various Concurrency Utilities objects
*/
@Service
@Singleton
public class ConcurrentRuntime implements PostConstruct, PreDestroy {
private static ConcurrentRuntime _runtime;
private Map managedExecutorServiceMap;
private Map managedScheduledExecutorServiceMap;
private Map contextServiceMap = new HashMap();
private Map managedThreadFactoryMap;
public static final String CONTEXT_INFO_CLASSLOADER = "Classloader";
public static final String CONTEXT_INFO_JNDI = "JNDI";
public static final String CONTEXT_INFO_SECURITY = "Security";
public static final String CONTEXT_INFO_WORKAREA = "WorkArea";
public static final String CONTEXT_INFO_ALL = CONTEXT_INFO_CLASSLOADER + "," + CONTEXT_INFO_JNDI + "," + CONTEXT_INFO_SECURITY + "," + CONTEXT_INFO_WORKAREA;
private ScheduledExecutorService internalScheduler;
private static final Logger logger = LogFacade.getLogger();
@Inject
InvocationManager invocationManager;
@Inject
Deployment deployment;
@Inject
Applications applications;
@Inject
JavaEETransactionManager transactionManager;
@Inject
ApplicationRegistry applicationRegistry;
@Inject
ComponentEnvManager compEnvMgr;
@Inject
private ResourceNamingService resourceNamingService;
/**
* Returns the ConcurrentRuntime instance.
* It follows singleton pattern and only one instance exists at any point
* of time. External entities need to call this method to get
* ConcurrentRuntime instance
*
* @return ConcurrentRuntime instance
*/
public static ConcurrentRuntime getRuntime() {
if (_runtime == null) {
throw new RuntimeException("ConcurrentRuntime not initialized");
}
return _runtime;
}
private static void setRuntime(ConcurrentRuntime runtime) {
_runtime = runtime;
}
/**
* Constructor should be private to follow singleton pattern, but package access for unit testing.
*/
ConcurrentRuntime() {
setRuntime(this);
}
InvocationManager getInvocationManager() {
return invocationManager;
}
Deployment getDeployment() {
return deployment;
}
Applications getApplications() {
return applications;
}
JavaEETransactionManager getTransactionManager() {
return transactionManager;
}
ApplicationRegistry getApplicationRegistry() {
return applicationRegistry;
}
public ComponentEnvManager getCompEnvMgr() {
return compEnvMgr;
}
public synchronized ContextServiceImpl getContextService(ResourceInfo resource, ContextServiceConfig config) {
String jndiName = config.getJndiName();
if (contextServiceMap != null && contextServiceMap.containsKey(jndiName)) {
return contextServiceMap.get(jndiName);
}
ContextServiceImpl contextService = createContextService(resource, config);
if (contextServiceMap == null) {
contextServiceMap = new HashMap();
}
contextServiceMap.put(jndiName, contextService);
return contextService;
}
public synchronized ContextServiceImpl createContextService(ResourceInfo resource, ContextServiceConfig config) {
ContextServiceImpl contextService = createContextServiceImpl(config.getJndiName(),
config.isContextInfoEnabledBoolean(), config.getPropagatedContexts(),
config.getClearedContexts(), config.getUchangedContexts());
return contextService;
}
public void shutdownContextService(String jndiName) {
synchronized(this) {
if (contextServiceMap != null) {
contextServiceMap.remove(jndiName);
}
}
}
public synchronized ManagedExecutorServiceImpl getManagedExecutorService(ResourceInfo resourceInfo, ManagedExecutorServiceConfig config) {
String jndiName = config.getJndiName();
if (managedExecutorServiceMap != null && managedExecutorServiceMap.containsKey(jndiName)) {
return managedExecutorServiceMap.get(jndiName);
}
ContextServiceImpl contextService = prepareContextService(
createContextServiceName(config.getContext(), config.getJndiName()),
config.getContextInfo(),
config.isContextInfoEnabledBoolean(), true);
ManagedExecutorServiceImpl mes = createManagedExecutorService(resourceInfo, config, contextService);
if (managedExecutorServiceMap == null) {
managedExecutorServiceMap = new HashMap();
}
managedExecutorServiceMap.put(jndiName, mes);
return mes;
}
public synchronized ManagedExecutorServiceImpl createManagedExecutorService(ResourceInfo resourceInfo, ManagedExecutorServiceConfig config, ContextServiceImpl contextService) {
ManagedThreadFactoryImpl managedThreadFactory = new ThreadFactoryWrapper(
config.getJndiName() + "-managedThreadFactory",
null,
config.getThreadPriority());
ManagedExecutorServiceImpl mes = new ManagedExecutorServiceImpl(config.getJndiName(),
managedThreadFactory,
config.getHungAfterSeconds() * 1_000L, // in milliseconds
config.isLongRunningTasks(),
config.getUseForkJoinPool(),
config.getCorePoolSize(),
config.getMaximumPoolSize(),
config.getKeepAliveSeconds(), TimeUnit.SECONDS,
config.getThreadLifeTimeSeconds(),
config.getTaskQueueCapacity(),
contextService,
AbstractManagedExecutorService.RejectPolicy.ABORT);
if (config.getHungAfterSeconds() > 0L && !config.isLongRunningTasks()) {
scheduleInternalTimer();
}
return mes;
}
public void shutdownManagedExecutorService(String jndiName) {
ManagedExecutorServiceImpl mes = null;
synchronized(this) {
if (managedExecutorServiceMap != null) {
mes = managedExecutorServiceMap.remove(jndiName);
}
}
if (mes != null) {
mes.shutdownNow();
}
}
public synchronized ManagedScheduledExecutorServiceImpl getManagedScheduledExecutorService(ResourceInfo resource,
ManagedScheduledExecutorServiceConfig config) {
String jndiName = config.getJndiName();
if (managedScheduledExecutorServiceMap != null && managedScheduledExecutorServiceMap.containsKey(jndiName)) {
return managedScheduledExecutorServiceMap.get(jndiName);
}
ContextServiceImpl contextService = prepareContextService(createContextServiceName(config.getContext(), config.getJndiName()),
config.getContextInfo(), config.isContextInfoEnabledBoolean(), true);
ManagedScheduledExecutorServiceImpl mes = createManagedScheduledExecutorService(resource, config, contextService);
if (managedScheduledExecutorServiceMap == null) {
managedScheduledExecutorServiceMap = new HashMap();
}
managedScheduledExecutorServiceMap.put(jndiName, mes);
if (config.getHungAfterSeconds() > 0L && !config.isLongRunningTasks()) {
scheduleInternalTimer();
}
return mes;
}
public ManagedScheduledExecutorServiceImpl createManagedScheduledExecutorService(ResourceInfo resource,
ManagedScheduledExecutorServiceConfig config, ContextServiceImpl contextService) {
ManagedThreadFactoryImpl managedThreadFactory = new ThreadFactoryWrapper(
config.getJndiName() + "-managedThreadFactory",
null,
config.getThreadPriority());
ManagedScheduledExecutorServiceImpl mes = new ManagedScheduledExecutorServiceImpl(config.getJndiName(),
managedThreadFactory,
config.getHungAfterSeconds() * 1000L, // in millseconds
config.isLongRunningTasks(),
config.getCorePoolSize(),
config.getKeepAliveSeconds(), TimeUnit.SECONDS,
config.getThreadLifeTimeSeconds(),
contextService,
AbstractManagedExecutorService.RejectPolicy.ABORT);
return mes;
}
public void shutdownScheduledManagedExecutorService(String jndiName) {
ManagedScheduledExecutorServiceImpl mses = null;
synchronized(this) {
if (managedScheduledExecutorServiceMap != null) {
mses = managedScheduledExecutorServiceMap.remove(jndiName);
}
}
if (mses != null) {
mses.shutdownNow();
}
}
public synchronized ManagedThreadFactoryImpl getManagedThreadFactory(ResourceInfo resource, ManagedThreadFactoryConfig config) {
String jndiName = config.getJndiName();
if (managedThreadFactoryMap != null && managedThreadFactoryMap.containsKey(jndiName)) {
return managedThreadFactoryMap.get(jndiName);
}
String context = config.getContext();
ContextServiceImpl contextService = prepareContextService(createContextServiceName(context, config.getJndiName()),
config.getContextInfo(), config.isContextInfoEnabledBoolean(), true);
ManagedThreadFactoryImpl managedThreadFactory = createManagedThreadFactory(resource, config, contextService);
if (managedThreadFactoryMap == null) {
managedThreadFactoryMap = new HashMap();
}
managedThreadFactoryMap.put(jndiName, managedThreadFactory);
return managedThreadFactory;
}
public ManagedThreadFactoryImpl createManagedThreadFactory(ResourceInfo resource, ManagedThreadFactoryConfig config, ContextServiceImpl contextService) {
ManagedThreadFactoryImpl managedThreadFactory = new ThreadFactoryWrapper(config.getJndiName(), contextService,
config.getThreadPriority());
return managedThreadFactory;
}
public void shutdownManagedThreadFactory(String jndiName) {
ManagedThreadFactoryImpl mtf = null;
synchronized(this) {
if (managedThreadFactoryMap != null) {
mtf = managedThreadFactoryMap.remove(jndiName);
}
}
if (mtf != null) {
mtf.stop();
}
}
/**
* Load cached context service or create a new one with default setup (propagate all).
*/
private ContextServiceImpl prepareContextService(String contextServiceJndiName, String contextInfo, boolean contextInfoEnabled, boolean cleanupTransaction) {
ContextServiceImpl contextService = contextServiceMap.get(contextServiceJndiName);
if (contextService == null) {
// if the context service is not known, create it
Set propagated = ContextServiceConfig.parseContextInfo(contextInfo, contextInfoEnabled);
Set cleared = Collections.EMPTY_SET;
if (cleanupTransaction && !propagated.contains(ContextSetupProviderImpl.CONTEXT_TYPE_WORKAREA)) {
// pass the cleanup transaction in list of cleared handlers
cleared = Set.of(ContextSetupProviderImpl.CONTEXT_TYPE_WORKAREA);
}
contextService = createContextServiceImpl(contextServiceJndiName, contextInfoEnabled, propagated, cleared, Collections.EMPTY_SET);
contextServiceMap.put(contextServiceJndiName, contextService);
}
return contextService;
}
private ContextServiceImpl createContextServiceImpl(String jndiName, boolean isContextInfoEnabled, Set propagated, Set cleared, Set unchanged) {
ContextSetupProviderImpl contextSetupProvider
= new ContextSetupProviderImpl(
invocationManager,
deployment,
compEnvMgr,
applicationRegistry,
applications,
transactionManager,
propagated,
cleared,
unchanged
);
ContextServiceImpl contextService
= new ContextServiceImpl(
jndiName,
contextSetupProvider,
new TransactionSetupProviderImpl(transactionManager,
unchanged.contains(ContextSetupProviderImpl.CONTEXT_TYPE_WORKAREA),
cleared.contains(ContextSetupProviderImpl.CONTEXT_TYPE_WORKAREA))
);
return contextService;
}
private void scheduleInternalTimer() {
if (internalScheduler == null) {
String name = "glassfish-internal";
ManagedThreadFactoryImpl managedThreadFactory = new ThreadFactoryWrapper(
name + "-managedThreadFactory",
null,
Thread.NORM_PRIORITY);
internalScheduler = new ManagedScheduledExecutorServiceImpl(name,
managedThreadFactory,
0L,
false,
1,
60, TimeUnit.SECONDS,
0L,
prepareContextService(createContextServiceName(null, name),
CONTEXT_INFO_CLASSLOADER, true, false),
AbstractManagedExecutorService.RejectPolicy.ABORT);
internalScheduler.scheduleAtFixedRate(new HungTasksLogger(), 1L, 1L, TimeUnit.MINUTES);
}
}
/**
* Decide JNDI name of context service. Either it is specified or it is created from the owning object.
*
* @param configuredContextJndiName JNDI name specified (typically context parameter in annotation)
* @param parentObjectJndiName JNDI nam of ManagedExecutorService, ManagedThreadFactory etc. using the context service
* @return JNDI name for the context service to be stored in the JNDI tree.
*/
public static String createContextServiceName(String configuredContextJndiName, String parentObjectJndiName) {
String contextServiceJndiName = configuredContextJndiName;
if (contextServiceJndiName == null) {
contextServiceJndiName = parentObjectJndiName + "-contextservice";
}
return contextServiceJndiName;
}
public ContextServiceImpl findOrCreateContextService(String configuredContextJndiName, String parentObjectJndiName, String applicationName, String moduleName) {
String contextOfResource = ConcurrentRuntime.createContextServiceName(
configuredContextJndiName,
parentObjectJndiName);
ResourceInfo contextResourceInfo = new ResourceInfo(contextOfResource, applicationName, moduleName);
ContextServiceImpl contextService;
try {
contextService = (ContextServiceImpl) resourceNamingService.lookup(contextResourceInfo, contextOfResource);
} catch (NamingException e) {
// not found, create a default one
contextService = prepareContextService(contextOfResource, CONTEXT_INFO_ALL, true, true);
}
return contextService;
}
/**
* context loader propagation to threads causes memory leaks on redeploy
*/
private static final class ThreadFactoryWrapper extends ManagedThreadFactoryImpl {
public ThreadFactoryWrapper(String string, ContextServiceImpl contextService, int threadPriority) {
super(string, contextService, threadPriority);
}
@Override
protected AbstractManagedThread createThread(Runnable r, ContextHandle contextHandleForSetup) {
ClassLoader appClassLoader = Utility.getClassLoader();
Utility.setContextClassLoader(null);
try {
return super.createThread(r, contextHandleForSetup);
} finally {
Utility.setContextClassLoader(appClassLoader);
}
}
}
@Override
public void postConstruct() {
}
@Override
public void preDestroy() {
// TODO shut down objects here
}
class HungTasksLogger implements Runnable {
public void run() {
ArrayList executorServices = new ArrayList();
ArrayList scheduledExecutorServices = new ArrayList();
synchronized (ConcurrentRuntime.this) {
if (managedExecutorServiceMap != null) {
Collection mesColl = managedExecutorServiceMap.values();
executorServices.addAll(mesColl);
}
}
synchronized (ConcurrentRuntime.this) {
if (managedScheduledExecutorServiceMap != null) {
Collection msesColl = managedScheduledExecutorServiceMap.values();
scheduledExecutorServices.addAll(msesColl);
}
}
for (ManagedExecutorServiceImpl mes: executorServices) {
Collection hungThreads = mes.getHungThreads();
logHungThreads(hungThreads, mes.getManagedThreadFactory(), mes.getName());
}
for (ManagedScheduledExecutorServiceImpl mses: scheduledExecutorServices) {
Collection hungThreads = mses.getHungThreads();
logHungThreads(hungThreads, mses.getManagedThreadFactory(), mses.getName());
}
}
private void logHungThreads(Collection hungThreads, ManagedThreadFactoryImpl mtf, String mesName) {
if (hungThreads != null) {
for (AbstractManagedThread hungThread: hungThreads) {
Object[] params = {hungThread.getTaskIdentityName(),
hungThread.getName(),
hungThread.getTaskRunTime(System.currentTimeMillis()) / 1000,
mtf.getHungTaskThreshold() / 1000,
mesName};
logger.log(Level.WARNING, LogFacade.UNRESPONSIVE_TASK, params);
}
}
}
}
}
