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Embedded-Web Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2016 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
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
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* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
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* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
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*/
// Portions Copyright [2017-2021] [Payara Foundation and/or its affiliates]
/*
* ReplicationWebEventPersistentManager.java
*
* Created on November 18, 2005, 3:38 PM
*
*/
package org.glassfish.web.ha.session.management;
import fish.payara.nucleus.hazelcast.HazelcastCore;
import org.apache.catalina.Session;
import org.glassfish.ha.common.GlassFishHAReplicaPredictor;
import org.glassfish.ha.common.HACookieInfo;
import org.glassfish.ha.common.HACookieManager;
import org.glassfish.ha.common.NoopHAReplicaPredictor;
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.api.Storeable;
import org.glassfish.web.ha.LogFacade;
import jakarta.inject.Inject;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.hk2.api.PerLookup;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import java.util.Map;
import java.util.logging.Level;
/**
*
* @author Rajiv Mordani
*/
@Service
@PerLookup
public class ReplicationWebEventPersistentManager extends ReplicationManagerBase
implements WebEventPersistentManager {
@Inject
private ServiceLocator services;
private GlassFishHAReplicaPredictor predictor;
private String clusterName = "";
private String instanceName = "";
/**
* The descriptive information about this implementation.
*/
private static final String info = "ReplicationWebEventPersistentManager/1.0";
/**
* The descriptive name of this Manager implementation (for logging).
*/
private static final String name = "ReplicationWebEventPersistentManager";
// ------------------------------------------------------------- Properties
/**
* Return descriptive information about this Manager implementation and
* the corresponding version number, in the format
* <description>/<version>.
*/
public String getInfo() {
return (this.info);
}
/** Creates a new instance of ReplicationWebEventPersistentManager */
public ReplicationWebEventPersistentManager() {
super();
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("ReplicationWebEventPersistentManager created");
}
}
@Override
public void add(Session session) {
if(!(session instanceof HANonStorableSession)) {
super.add(session);
}
}
/**
* called from valve; does the save of session
*
* @param session
* The session to store
*/
public void doValveSave(Session session) {
if(session instanceof HANonStorableSession) {
return;
}
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("in doValveSave");
}
try {
ReplicationStore replicationStore = (ReplicationStore) this.getStore();
replicationStore.doValveSave(session);
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("FINISHED repStore.valveSave");
}
} catch (Exception ex) {
ex.printStackTrace();
_logger.log(Level.FINE, "exception occurred in doValveSave id=" + session.getIdInternal(),
ex);
}
}
//START OF 6364900
public void postRequestDispatcherProcess(ServletRequest request, ServletResponse response) {
Session sess = this.getSession(request);
if(sess != null) {
doValveSave(sess);
}
return;
}
private Session getSession(ServletRequest request) {
jakarta.servlet.http.HttpServletRequest httpReq =
(jakarta.servlet.http.HttpServletRequest) request;
jakarta.servlet.http.HttpSession httpSess = httpReq.getSession(false);
if(httpSess == null) {
return null;
}
String id = httpSess.getId();
Session sess = null;
try {
sess = this.findSession(id);
} catch (java.io.IOException ex) {}
return sess;
}
//END OF 6364900
//new code start
//private static int NUMBER_OF_REQUESTS_BEFORE_FLUSH = 1000;
//volatile Map removedKeysMap = new ConcurrentHashMap();
//private static AtomicInteger requestCounter = new AtomicInteger(0);
private static int _messageIDCounter = 0;
//private AtomicBoolean timeToChange = new AtomicBoolean(false);
// ------------------------------------------------------------- Properties
/**
* Return the descriptive short name of this Manager implementation.
*/
public String getName() {
return this.name;
}
/**
* Back up idle sessions.
* Hercules: modified method we do not want
* background saves when we are using web-event persistence-frequency
*/
protected void processMaxIdleBackups() {
//this is a deliberate no-op for this manager
return;
}
/**
* Swap idle sessions out to Store if too many are active
* Hercules: modified method
*/
protected void processMaxActiveSwaps() {
//this is a deliberate no-op for this manager
return;
}
/**
* Swap idle sessions out to Store if they are idle too long.
*/
protected void processMaxIdleSwaps() {
//this is a deliberate no-op for this manager
return;
}
public String getReplicaFromPredictor(String sessionId, String oldJreplicaValue) {
if (isDisableJreplica()) {
return null;
}
String gmsClusterName = "";
HazelcastCore hazelcast = services.getService(HazelcastCore.class);
if (hazelcast.isEnabled()) {
gmsClusterName = hazelcast.getMemberGroup();
}
HACookieInfo cookieInfo = predictor.makeCookie(gmsClusterName, sessionId, oldJreplicaValue);
HACookieManager.setCurrrent(cookieInfo);
return cookieInfo.getNewReplicaCookie();
}
@Override
public void createBackingStore(String persistenceType, String storeName, Class metadataClass, Map vendorMap) {
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("Create backing store invoked with persistence type " + persistenceType + " and store name " + storeName);
}
BackingStoreFactory factory = services.getService(BackingStoreFactory.class, persistenceType);
BackingStoreConfiguration conf = new BackingStoreConfiguration();
HazelcastCore hazelcast = services.getService(HazelcastCore.class);
if (hazelcast.isEnabled()) {
clusterName = hazelcast.getMemberGroup();
instanceName = hazelcast.getMemberName();
}
conf.setStoreName(storeName)
.setClusterName(clusterName)
.setInstanceName(instanceName)
.setStoreType(persistenceType)
.setKeyClazz(String.class).setValueClazz(metadataClass)
.setClassLoader(this.getClass().getClassLoader());
if (vendorMap != null) {
conf.getVendorSpecificSettings().putAll(vendorMap);
}
try {
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("About to create backing store " + conf);
}
this.backingStore = factory.createBackingStore(conf);
} catch (BackingStoreException e) {
_logger.log(Level.WARNING, LogFacade.COULD_NOT_CREATE_BACKING_STORE, e);
}
Object obj = conf.getVendorSpecificSettings().get("key.mapper");
if (obj != null && obj instanceof GlassFishHAReplicaPredictor) {
predictor = (GlassFishHAReplicaPredictor)obj;
if (_logger.isLoggable(Level.FINE)) {
_logger.fine("ReplicatedManager.keymapper is " + predictor);
}
} else {
predictor = new NoopHAReplicaPredictor();
}
}
}