/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2016, TeleStax Inc. and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program 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. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* JBoss, Home of Professional Open Source
* Copyright 2007-2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jdiameter.common.impl.app;
import static org.jdiameter.client.impl.helpers.Parameters.SessionTimeOut;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ScheduledExecutorService;
import org.jdiameter.api.ApplicationId;
import org.jdiameter.api.Session;
import org.jdiameter.api.app.AppSession;
import org.jdiameter.client.api.IAssembler;
import org.jdiameter.client.api.ISessionFactory;
import org.jdiameter.common.api.app.IAppSessionData;
import org.jdiameter.common.api.concurrent.IConcurrentFactory;
import org.jdiameter.common.api.timer.ITimerFacility;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Abstract implementation for {@link AppSession}
*
* @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
*/
public abstract class AppSessionImpl implements AppSession {
private static final Logger logger = LoggerFactory.getLogger(AppSessionImpl.class);
protected IAppSessionData appSessionData;
protected List<Session> sessions;
protected Session session;
protected ISessionFactory sf = null;
protected ScheduledExecutorService scheduler = null;
protected ITimerFacility timerFacility;
protected long maxIdleTime = 0;
public AppSessionImpl(ISessionFactory sf, IAppSessionData appSessionData) {
if (sf == null) {
throw new IllegalArgumentException("SessionFactory must not be null");
}
if (appSessionData == null) {
throw new IllegalArgumentException("IAppSessionData must not be null");
}
try {
this.sf = sf;
this.appSessionData = appSessionData;
IAssembler assembler = ( this.sf).getContainer().getAssemblerFacility();
this.scheduler = assembler.getComponentInstance(IConcurrentFactory.class).
getScheduledExecutorService(IConcurrentFactory.ScheduledExecServices.ApplicationSession.name());
this.timerFacility = assembler.getComponentInstance(ITimerFacility.class);
this.maxIdleTime = this.sf.getContainer().getConfiguration().getLongValue(SessionTimeOut.ordinal(), (Long) SessionTimeOut.defValue());
this.session = this.sf.getNewSession(this.appSessionData.getSessionId());
//annoying ;[
ArrayList<Session> list = new ArrayList<Session>();
list.add(this.session);
this.sessions = Collections.unmodifiableList(list);
}
catch (Exception e) {
throw new IllegalArgumentException(e);
}
}
@Override
public long getCreationTime() {
return session.getCreationTime();
}
@Override
public long getLastAccessedTime() {
return session.getLastAccessedTime();
}
@Override
public boolean isValid() {
return session == null ? false : session.isValid();
}
@Override
public ApplicationId getSessionAppId() {
return this.appSessionData.getApplicationId();
}
@Override
public List<Session> getSessions() {
return this.sessions; //....
}
@Override
public void release() {
logger.debug("Releasing application session for Session ID '{}' ({}).", getSessionId(), getSessionAppId());
this.session.setRequestListener(null);
this.session.release();
this.appSessionData.remove();
}
/*
* (non-Javadoc)
*
* @see org.jdiameter.api.BaseSession#getSessionId()
*/
@Override
public String getSessionId() {
//use local object, its faster :)
return this.session.getSessionId();
}
/*
* (non-Javadoc)
*
* @see org.jdiameter.api.BaseSession#isAppSession()
*/
@Override
public boolean isAppSession() {
return true;
}
/*
* (non-Javadoc)
*
* @see org.jdiameter.api.BaseSession#isReplicable()
*/
@Override
public boolean isReplicable() {
// FIXME: make this true?
return false;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((appSessionData == null) ? 0 : appSessionData.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
AppSessionImpl other = (AppSessionImpl) obj;
if (appSessionData == null) {
if (other.appSessionData != null) {
return false;
}
} else if (!appSessionData.equals(other.appSessionData)) {
return false;
}
return true;
}
public abstract void onTimer(String timerName);
protected void checkIdleAppSession() {
if (!isValid() || (maxIdleTime > 0 && System.currentTimeMillis() - getLastAccessedTime() >= maxIdleTime)) {
logger.debug("Terminating idle/invalid application session [{}] with SID[{}]", this, getSessionId());
release();
}
}
}