/*
* 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.client.impl;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.jdiameter.api.ApplicationId;
import org.jdiameter.api.InternalException;
import org.jdiameter.api.RawSession;
import org.jdiameter.api.Session;
import org.jdiameter.api.app.AppSession;
import org.jdiameter.client.api.IContainer;
import org.jdiameter.client.api.ISessionFactory;
import org.jdiameter.client.api.StackState;
import org.jdiameter.client.impl.helpers.UIDGenerator;
import org.jdiameter.common.api.app.IAppSessionFactory;
import org.jdiameter.common.api.data.ISessionDatasource;
/**
* Implementation for {@link ISessionFactory}
*
* @author erick.svenson@yahoo.com
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
* @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>
*/
public class SessionFactoryImpl implements ISessionFactory {
private IContainer stack;
@SuppressWarnings("rawtypes")
private Map<Class, IAppSessionFactory> appFactories = new ConcurrentHashMap<Class, IAppSessionFactory>();
private ISessionDatasource dataSource;
protected static UIDGenerator uid = new UIDGenerator();
public SessionFactoryImpl(IContainer stack) {
this.stack = stack;
this.dataSource = this.stack.getAssemblerFacility().getComponentInstance(ISessionDatasource.class);
}
@Override
public String getSessionId(String custom) {
long id = uid.nextLong();
long high32 = (id & 0xffffffff00000000L) >> 32;
long low32 = (id & 0xffffffffL);
StringBuilder sb = new StringBuilder();
sb.append(stack.getMetaData().getLocalPeer().getUri().getFQDN()).
append(";").append(high32).append(";").append(low32);
if (custom != null) {
//FIXME: add checks for not allowed chars?
sb.append(";").append(custom);
}
return sb.toString();
}
@Override
public String getSessionId() {
return this.getSessionId(null);
}
@Override
public RawSession getNewRawSession() throws InternalException {
if (stack.getState() == StackState.IDLE) {
throw new InternalException("Illegal state of stack");
}
return new RawSessionImpl(stack);
}
@Override
public Session getNewSession() throws InternalException {
if (stack.getState() == StackState.IDLE) {
throw new InternalException("Illegal state of stack");
}
// FIXME: store this! Properly handle in ISessiondata
SessionImpl session = new SessionImpl(stack);
this.dataSource.addSession(session);
return session;
}
@Override
public Session getNewSession(String sessionId) throws InternalException {
if (stack.getState() == StackState.IDLE) {
throw new InternalException("Illegal state of stack");
}
SessionImpl session = new SessionImpl(stack);
if (sessionId != null && sessionId.length() > 0) {
session.sessionId = sessionId;
}
// FIXME: store this! Properly handle in ISessiondata
this.dataSource.addSession(session);
return session;
}
@Override
@SuppressWarnings("unchecked")
public <T extends AppSession> T getNewAppSession(ApplicationId applicationId, Class<? extends AppSession> aClass) throws InternalException {
return (T) getNewAppSession(null, applicationId, aClass, new Object[0]);
}
@Override
@SuppressWarnings("unchecked")
public <T extends AppSession> T getNewAppSession(String sessionId, ApplicationId applicationId, Class<? extends AppSession> aClass) throws InternalException {
return (T) getNewAppSession(sessionId, applicationId, aClass, new Object[0]);
}
@Override
@SuppressWarnings("unchecked")
public <T extends AppSession> T getNewAppSession(String sessionId, ApplicationId applicationId, Class<? extends AppSession> aClass, Object... args)
throws InternalException {
T session = null;
if (stack.getState() == StackState.IDLE) {
throw new InternalException("Illegal state of stack");
}
if (appFactories.containsKey(aClass)) {
session = (T) appFactories.get(aClass).getNewSession(sessionId, aClass, applicationId, args);
// FIXME: add check if it exists already!
//dataSource.addSession(session);
}
return session;
}
@Override
public void registerAppFacory(Class<? extends AppSession> sessionClass, IAppSessionFactory factory) {
appFactories.put(sessionClass, factory);
}
@Override
public void unRegisterAppFacory(Class<? extends AppSession> sessionClass) {
appFactories.remove(sessionClass);
}
/* (non-Javadoc)
* @see org.jdiameter.client.api.ISessionFactory#getAppSessionFactory(java.lang.Class)
*/
@Override
public IAppSessionFactory getAppSessionFactory(Class<? extends AppSession> sessionClass) {
return appFactories.get(sessionClass);
}
@Override
public IContainer getContainer() {
return stack;
}
}