/*
* 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/>
*/
package org.jdiameter.common.impl.app.gx;
import java.util.concurrent.ScheduledFuture;
import org.jdiameter.api.Answer;
import org.jdiameter.api.ApplicationId;
import org.jdiameter.api.InternalException;
import org.jdiameter.api.Message;
import org.jdiameter.api.Request;
import org.jdiameter.api.SessionFactory;
import org.jdiameter.api.app.AppAnswerEvent;
import org.jdiameter.api.app.AppRequestEvent;
import org.jdiameter.api.app.AppSession;
import org.jdiameter.api.app.StateChangeListener;
import org.jdiameter.api.gx.ClientGxSession;
import org.jdiameter.api.gx.ClientGxSessionListener;
import org.jdiameter.api.gx.ServerGxSession;
import org.jdiameter.api.gx.ServerGxSessionListener;
import org.jdiameter.api.gx.events.GxCreditControlAnswer;
import org.jdiameter.api.gx.events.GxCreditControlRequest;
import org.jdiameter.api.gx.events.GxReAuthAnswer;
import org.jdiameter.api.gx.events.GxReAuthRequest;
import org.jdiameter.client.api.ISessionFactory;
import org.jdiameter.client.impl.app.gx.ClientGxSessionImpl;
import org.jdiameter.client.impl.app.gx.IClientGxSessionData;
import org.jdiameter.common.api.app.IAppSessionDataFactory;
import org.jdiameter.common.api.app.gx.IClientGxSessionContext;
import org.jdiameter.common.api.app.gx.IGxMessageFactory;
import org.jdiameter.common.api.app.gx.IGxSessionData;
import org.jdiameter.common.api.app.gx.IGxSessionFactory;
import org.jdiameter.common.api.app.gx.IServerGxSessionContext;
import org.jdiameter.common.api.data.ISessionDatasource;
import org.jdiameter.server.impl.app.gx.IServerGxSessionData;
import org.jdiameter.server.impl.app.gx.ServerGxSessionImpl;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Default Diameter Gx Session Factory implementation.
*
* @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
* @author <a href="mailto:carl-magnus.bjorkell@emblacom.com"> Carl-Magnus Björkell </a>
*/
public class GxSessionFactoryImpl implements IGxSessionFactory, ClientGxSessionListener, ServerGxSessionListener, StateChangeListener<AppSession>,
IGxMessageFactory, IServerGxSessionContext, IClientGxSessionContext {
// Message timeout value (in milliseconds)
protected int defaultDirectDebitingFailureHandling = 0;
protected int defaultCreditControlFailureHandling = 0;
// its seconds
protected long defaultValidityTime = 60;
protected long defaultTxTimerValue = 30;
// local not replicated listeners:
protected ClientGxSessionListener clientSessionListener;
protected ServerGxSessionListener serverSessionListener;
protected StateChangeListener<AppSession> stateListener;
protected IServerGxSessionContext serverContextListener;
protected IClientGxSessionContext clientContextListener;
protected IGxMessageFactory messageFactory;
protected static final Logger logger = LoggerFactory.getLogger(GxSessionFactoryImpl.class);
protected ISessionDatasource iss;
protected ISessionFactory sessionFactory = null;
protected IAppSessionDataFactory<IGxSessionData> sessionDataFactory;
public GxSessionFactoryImpl(SessionFactory sessionFactory) {
super();
this.sessionFactory = (ISessionFactory) sessionFactory;
this.iss = this.sessionFactory.getContainer().getAssemblerFacility().getComponentInstance(ISessionDatasource.class);
this.sessionDataFactory = (IAppSessionDataFactory<IGxSessionData>) this.iss.getDataFactory(IGxSessionData.class);
}
public GxSessionFactoryImpl(SessionFactory sessionFactory, int defaultDirectDebitingFailureHandling, int defaultCreditControlFailureHandling,
long defaultValidityTime, long defaultTxTimerValue) {
this(sessionFactory);
this.defaultDirectDebitingFailureHandling = defaultDirectDebitingFailureHandling;
this.defaultCreditControlFailureHandling = defaultCreditControlFailureHandling;
this.defaultValidityTime = defaultValidityTime;
this.defaultTxTimerValue = defaultTxTimerValue;
}
/**
* @return the clientSessionListener
*/
@Override
public ClientGxSessionListener getClientSessionListener() {
return clientSessionListener != null ? clientSessionListener : this;
}
/**
* @param clientSessionListener
* the clientSessionListener to set
*/
@Override
public void setClientSessionListener(final ClientGxSessionListener clientSessionListener) {
this.clientSessionListener = clientSessionListener;
}
/**
* @return the serverSessionListener
*/
@Override
public ServerGxSessionListener getServerSessionListener() {
return serverSessionListener != null ? serverSessionListener : this;
}
/**
* @param serverSessionListener
* the serverSessionListener to set
*/
@Override
public void setServerSessionListener(ServerGxSessionListener serverSessionListener) {
this.serverSessionListener = serverSessionListener;
}
/**
* @return the serverContextListener
*/
@Override
public IServerGxSessionContext getServerContextListener() {
return serverContextListener != null ? serverContextListener : this;
}
/**
* @param serverContextListener
* the serverContextListener to set
*/
@Override
public void setServerContextListener(IServerGxSessionContext serverContextListener) {
this.serverContextListener = serverContextListener;
}
/**
* @return the clientContextListener
*/
@Override
public IClientGxSessionContext getClientContextListener() {
return clientContextListener != null ? clientContextListener : this;
}
/**
* @return the messageFactory
*/
@Override
public IGxMessageFactory getMessageFactory() {
return messageFactory != null ? messageFactory : this;
}
/**
* @param messageFactory
* the messageFactory to set
*/
@Override
public void setMessageFactory(final IGxMessageFactory messageFactory) {
this.messageFactory = messageFactory;
}
/**
* @param clientContextListener
* the clientContextListener to set
*/
@Override
public void setClientContextListener(IClientGxSessionContext clientContextListener) {
this.clientContextListener = clientContextListener;
}
/**
* @return the sessionFactory
*/
public SessionFactory getSessionFactory() {
return sessionFactory;
}
/**
* @param sessionFactory
* the sessionFactory to set
*/
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = (ISessionFactory) sessionFactory;
}
/**
* @return the stateListener
*/
@Override
public StateChangeListener<AppSession> getStateListener() {
return stateListener != null ? stateListener : this;
}
/**
* @param stateListener
* the stateListener to set
*/
@Override
public void setStateListener(StateChangeListener<AppSession> stateListener) {
this.stateListener = stateListener;
}
@Override
public AppSession getSession(String sessionId, Class<? extends AppSession> aClass) {
if (sessionId == null) {
throw new IllegalArgumentException("SessionId must not be null");
}
if (!this.iss.exists(sessionId)) {
return null;
}
AppSession appSession = null;
try {
if (aClass == ClientGxSession.class) {
IClientGxSessionData sessionData = (IClientGxSessionData) this.sessionDataFactory.getAppSessionData(ClientGxSession.class, sessionId);
ClientGxSessionImpl clientSession = new ClientGxSessionImpl(sessionData, this.getMessageFactory(), sessionFactory, this.getClientSessionListener(),
this.getClientContextListener(), this.getStateListener());
clientSession.getSessions().get(0).setRequestListener(clientSession);
appSession = clientSession;
}
else if (aClass == ServerGxSession.class) {
IServerGxSessionData sessionData = (IServerGxSessionData) this.sessionDataFactory.getAppSessionData(ServerGxSession.class, sessionId);
ServerGxSessionImpl serverSession = new ServerGxSessionImpl(sessionData, this.getMessageFactory(), sessionFactory, this.getServerSessionListener(),
this.getServerContextListener(), this.getStateListener());
serverSession.getSessions().get(0).setRequestListener(serverSession);
appSession = serverSession;
}
else {
throw new IllegalArgumentException("Wrong session class: " + aClass + ". Supported[" + ClientGxSession.class + "," + ServerGxSession.class + "]");
}
}
catch (Exception e) {
logger.error("Failure to obtain new Gx Session.", e);
}
return appSession;
}
@Override
public AppSession getNewSession(String sessionId, Class<? extends AppSession> aClass, ApplicationId applicationId, Object[] args) {
AppSession appSession = null;
try {
// FIXME:
if (aClass == ClientGxSession.class) {
if (sessionId == null) {
if (args != null && args.length > 0 && args[0] instanceof Request) {
Request request = (Request) args[0];
sessionId = request.getSessionId();
}
else {
sessionId = this.sessionFactory.getSessionId();
}
}
IClientGxSessionData sessionData = (IClientGxSessionData) this.sessionDataFactory.getAppSessionData(ClientGxSession.class, sessionId);
sessionData.setApplicationId(applicationId);
ClientGxSessionImpl clientSession = new ClientGxSessionImpl(sessionData, this.getMessageFactory(), sessionFactory, this.getClientSessionListener(),
this.getClientContextListener(), this.getStateListener());
// this goes first!
iss.addSession(clientSession);
clientSession.getSessions().get(0).setRequestListener(clientSession);
appSession = clientSession;
}
else if (aClass == ServerGxSession.class) {
if (sessionId == null) {
if (args != null && args.length > 0 && args[0] instanceof Request) {
Request request = (Request) args[0];
sessionId = request.getSessionId();
}
else {
sessionId = this.sessionFactory.getSessionId();
}
}
IServerGxSessionData sessionData = (IServerGxSessionData) this.sessionDataFactory.getAppSessionData(ServerGxSession.class, sessionId);
sessionData.setApplicationId(applicationId);
ServerGxSessionImpl serverSession = new ServerGxSessionImpl(sessionData, this.getMessageFactory(), sessionFactory, this.getServerSessionListener(),
this.getServerContextListener(), this.getStateListener());
iss.addSession(serverSession);
serverSession.getSessions().get(0).setRequestListener(serverSession);
appSession = serverSession;
}
else {
throw new IllegalArgumentException("Wrong session class: " + aClass + ". Supported[" + ClientGxSession.class + "," + ServerGxSession.class + "]");
}
}
catch (Exception e) {
logger.error("Failure to obtain new Gx Session.", e);
}
return appSession;
}
// Default implementation of methods so there are no exception!
// Message Handlers --------------------------------------------------------
@Override
public void doCreditControlRequest(ServerGxSession session, GxCreditControlRequest request) throws InternalException {
}
@Override
public void doCreditControlAnswer(ClientGxSession session, GxCreditControlRequest request, GxCreditControlAnswer answer) throws InternalException {
}
@Override
public void doGxReAuthRequest(ClientGxSession session, GxReAuthRequest request) throws InternalException {
}
@Override
public void doGxReAuthAnswer(ServerGxSession session, GxReAuthRequest request, GxReAuthAnswer answer) throws InternalException {
}
@Override
public void doOtherEvent(AppSession session, AppRequestEvent request, AppAnswerEvent answer) throws InternalException {
}
// Message Factory Methods -------------------------------------------------
@Override
public GxCreditControlAnswer createCreditControlAnswer(Answer answer) {
return new GxCreditControlAnswerImpl(answer);
}
@Override
public GxCreditControlRequest createCreditControlRequest(Request req) {
return new GxCreditControlRequestImpl(req);
}
@Override
public GxReAuthAnswer createGxReAuthAnswer(Answer answer) {
return new GxReAuthAnswerImpl(answer);
}
@Override
public GxReAuthRequest createGxReAuthRequest(Request req) {
return new GxReAuthRequestImpl(req);
}
// Context Methods ---------------------------------------------------------
@Override
@SuppressWarnings("unchecked")
public void stateChanged(Enum oldState, Enum newState) {
logger.info("Diameter Gx SessionFactory :: stateChanged :: oldState[{}], newState[{}]", oldState, newState);
}
/*
* (non-Javadoc)
*
* @see org.jdiameter.api.app.StateChangeListener#stateChanged(java.lang.Object, java.lang.Enum, java.lang.Enum)
*/
@Override
@SuppressWarnings("unchecked")
public void stateChanged(AppSession source, Enum oldState, Enum newState) {
logger.info("Diameter Gx SessionFactory :: stateChanged :: source[{}], oldState[{}], newState[{}]", new Object[]{source, oldState, newState});
}
// FIXME: add ctx methods proxy calls!
@Override
public void sessionSupervisionTimerExpired(ServerGxSession session) {
// this.resourceAdaptor.sessionDestroyed(session.getSessions().get(0).getSessionId(), session);
session.release();
}
@Override
@SuppressWarnings("unchecked")
public void sessionSupervisionTimerReStarted(ServerGxSession session, ScheduledFuture future) {
// TODO Complete this method.
}
@Override
@SuppressWarnings("unchecked")
public void sessionSupervisionTimerStarted(ServerGxSession session, ScheduledFuture future) {
// TODO Complete this method.
}
@Override
@SuppressWarnings("unchecked")
public void sessionSupervisionTimerStopped(ServerGxSession session, ScheduledFuture future) {
// TODO Complete this method.
}
@Override
public void timeoutExpired(Request request) {
// FIXME What should we do when there's a timeout?
}
@Override
public void denyAccessOnDeliverFailure(ClientGxSession clientGxSessionImpl, Message request) {
// TODO Complete this method.
}
@Override
public void denyAccessOnFailureMessage(ClientGxSession clientGxSessionImpl) {
// TODO Complete this method.
}
@Override
public void denyAccessOnTxExpire(ClientGxSession clientGxSessionImpl) {
// this.resourceAdaptor.sessionDestroyed(clientGxSessionImpl.getSessions().get(0).getSessionId(),
// clientGxSessionImpl);
clientGxSessionImpl.release();
}
@Override
public int getDefaultCCFHValue() {
return defaultCreditControlFailureHandling;
}
@Override
public int getDefaultDDFHValue() {
return defaultDirectDebitingFailureHandling;
}
@Override
public long getDefaultTxTimerValue() {
return defaultTxTimerValue;
}
@Override
public void grantAccessOnDeliverFailure(ClientGxSession clientGxSessionImpl, Message request) {
// TODO Auto-generated method stub
}
@Override
public void grantAccessOnFailureMessage(ClientGxSession clientGxSessionImpl) {
// TODO Auto-generated method stub
}
@Override
public void grantAccessOnTxExpire(ClientGxSession clientGxSessionImpl) {
// TODO Auto-generated method stub
}
@Override
public void indicateServiceError(ClientGxSession clientGxSessionImpl) {
// TODO Auto-generated method stub
}
@Override
public void txTimerExpired(ClientGxSession session) {
// this.resourceAdaptor.sessionDestroyed(session.getSessions().get(0).getSessionId(), session);
session.release();
}
@Override
public long[] getApplicationIds() {
// FIXME: What should we do here?
return new long[] {16777238, 16777238};
}
@Override
public long getDefaultValidityTime() {
return this.defaultValidityTime;
}
}