/servers/diameter/core/jdiameter/impl/src/main/java/org/jdiameter/common/impl/app/rf/RfSessionFactoryImpl.java

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 * 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

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 *

 * This software is distributed in the hope that it will be useful,

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 * 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

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 */



package org.jdiameter.common.impl.app.rf;



import java.util.concurrent.ScheduledFuture;



import org.jdiameter.api.ApplicationId;

import org.jdiameter.api.IllegalDiameterStateException;

import org.jdiameter.api.InternalException;

import org.jdiameter.api.OverloadException;

import org.jdiameter.api.Request;

import org.jdiameter.api.RouteException;

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.rf.ClientRfSession;

import org.jdiameter.api.rf.ClientRfSessionListener;

import org.jdiameter.api.rf.ServerRfSession;

import org.jdiameter.api.rf.ServerRfSessionListener;

import org.jdiameter.api.rf.events.RfAccountingAnswer;

import org.jdiameter.api.rf.events.RfAccountingRequest;

import org.jdiameter.client.api.ISessionFactory;

import org.jdiameter.client.impl.app.rf.ClientRfSessionImpl;

import org.jdiameter.client.impl.app.rf.IClientRfSessionData;

import org.jdiameter.common.api.app.IAppSessionDataFactory;

import org.jdiameter.common.api.app.rf.IClientRfActionContext;

import org.jdiameter.common.api.app.rf.IRfSessionData;

import org.jdiameter.common.api.app.rf.IRfSessionFactory;

import org.jdiameter.common.api.app.rf.IServerRfActionContext;

import org.jdiameter.common.api.data.ISessionDatasource;

import org.jdiameter.server.impl.app.rf.IServerRfSessionData;

import org.jdiameter.server.impl.app.rf.ServerRfSessionImpl;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;



/**

 * Default Diameter Rf Session Factory implementation

 * 

 * @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>

 * @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>

 */

public class RfSessionFactoryImpl implements IRfSessionFactory, ServerRfSessionListener, ClientRfSessionListener, IClientRfActionContext, IServerRfActionContext,

StateChangeListener<AppSession> {



  protected Logger logger = LoggerFactory.getLogger(RfSessionFactoryImpl.class);



  protected ServerRfSessionListener serverSessionListener;

  protected StateChangeListener<AppSession> stateListener;

  protected ClientRfSessionListener clientSessionListener;

  protected IClientRfActionContext clientContextListener;

  protected IServerRfActionContext serverContextListener;



  protected ISessionDatasource iss;

  protected ISessionFactory sessionFactory = null;

  protected long messageTimeout = 5000;

  protected ApplicationId applicationId;

  protected IAppSessionDataFactory<IRfSessionData> sessionDataFactory;



  protected RfSessionFactoryImpl() {

  }



  public RfSessionFactoryImpl(SessionFactory sessionFactory) {

    super();



    this.sessionFactory = (ISessionFactory) sessionFactory;

    this.iss = this.sessionFactory.getContainer().getAssemblerFacility().getComponentInstance(ISessionDatasource.class);

    this.sessionDataFactory = (IAppSessionDataFactory<IRfSessionData>) this.iss.getDataFactory(IRfSessionData.class);

  }



  // ACC Factory Methods

  // ------------------------------------------------------



  /**

   * @return the serverSessionListener

   */

  public ServerRfSessionListener getServerSessionListener() {

    if (this.serverSessionListener != null) {

      return serverSessionListener;

    } else {

      return this;

    }

  }



  /**

   * @param serverSessionListener

   *            the serverSessionListener to set

   */

  public void setServerSessionListener(ServerRfSessionListener serverSessionListener) {

    this.serverSessionListener = serverSessionListener;

  }



  /**

   * @return the stateListener

   */

  public StateChangeListener<AppSession> getStateListener() {

    if (this.stateListener != null) {

      return stateListener;

    } else {

      return this;

    }

  }



  /**

   * @param stateListener

   *            the stateListener to set

   */

  public void setStateListener(StateChangeListener<AppSession> stateListener) {

    this.stateListener = stateListener;

  }



  /**

   * @return the clientSessionListener

   */

  public ClientRfSessionListener getClientSessionListener() {

    if (this.clientSessionListener != null) {

      return clientSessionListener;

    } else {

      return this;

    }

  }



  /**

   * @param clientSessionListener

   *            the clientSessionListener to set

   */

  public void setClientSessionListener(ClientRfSessionListener clientSessionListener) {

    this.clientSessionListener = clientSessionListener;

  }



  /**

   * @return the clientContextListener

   */

  public IClientRfActionContext getClientContextListener() {

    if (this.clientContextListener != null) {

      return clientContextListener;

    } else {

      return this;

    }

  }



  /**

   * @param clientContextListener

   *            the clientContextListener to set

   */

  public void setClientContextListener(IClientRfActionContext clientContextListener) {

    this.clientContextListener = clientContextListener;

  }



  /**

   * @return the serverContextListener

   */

  public IServerRfActionContext getServerContextListener() {

    if (this.serverContextListener != null) {

      return serverContextListener;

    } else {

      return this;

    }

  }



  /**

   * @param serverContextListener

   *            the serverContextListener to set

   */

  public void setServerContextListener(IServerRfActionContext serverContextListener) {

    this.serverContextListener = serverContextListener;

  }



  /**

   * @return the messageTimeout

   */

  public long getMessageTimeout() {

    return messageTimeout;

  }



  /**

   * @param messageTimeout

   *            the messageTimeout to set

   */

  public void setMessageTimeout(long messageTimeout) {

    this.messageTimeout = messageTimeout;

  }



  /**

   * @return the sessionFactory

   */

  public ISessionFactory getSessionFactory() {

    return sessionFactory;

  }



  /**

   * @param sessionFactory

   *            the sessionFactory to set

   */

  public void setSessionFactory(ISessionFactory sessionFactory) {

    this.sessionFactory = sessionFactory;

    if (this.iss == null) {

      this.iss = this.sessionFactory.getContainer().getAssemblerFacility().getComponentInstance(ISessionDatasource.class);

    }

  }



  /*

   * (non-Javadoc)

   * 

   * @see

   * org.jdiameter.common.api.app.acc.IAccSessionFactory#getApplicationId()

   */

  public ApplicationId getApplicationId() {

    return this.applicationId;

  }



  /*

   * (non-Javadoc)

   * 

   * @see

   * org.jdiameter.common.api.app.acc.IAccSessionFactory#setApplicationId(

   * org.jdiameter.api.ApplicationId)

   */

  public void setApplicationId(ApplicationId id) {

    this.applicationId = id;

  }



  // App Session Factory

  // ------------------------------------------------------

  @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 == ServerRfSession.class) {

        IServerRfSessionData sessionData = (IServerRfSessionData) this.sessionDataFactory.getAppSessionData(ServerRfSession.class, sessionId);

        // FIXME: determine how to get boolean flag!

        ServerRfSessionImpl session = new ServerRfSessionImpl(sessionData, sessionFactory, getServerSessionListener(), getServerContextListener(),

            getStateListener(), messageTimeout, true);



        session.getSessions().get(0).setRequestListener(session);

        appSession = session;

      }

      else if (aClass == ClientRfSession.class) {

        IClientRfSessionData sessionData = (IClientRfSessionData) this.sessionDataFactory.getAppSessionData(ClientRfSession.class, sessionId);

        ClientRfSessionImpl session = new ClientRfSessionImpl(sessionData, sessionFactory, getClientSessionListener(), getClientContextListener(), getStateListener(),

            this.getApplicationId());



        session.getSessions().get(0).setRequestListener(session);

        appSession = session;

      }

      else {

        throw new IllegalArgumentException("Wrong session class: " + aClass + ". Supported[" + ClientRfSession.class + "," + ServerRfSession.class + "]");

      }

    }

    catch (Exception e) {

      logger.error("Failure to obtain new Rf Session.", e);

    }



    return appSession;

  }

  public AppSession getNewSession(String sessionId, Class<? extends AppSession> aClass, ApplicationId applicationId, Object[] args) {

    try {

      if (aClass == ServerRfSession.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();

          }

        }

        IServerRfSessionData sessionData = (IServerRfSessionData) this.sessionDataFactory.getAppSessionData(ServerRfSession.class, sessionId);

        sessionData.setApplicationId(applicationId);

        // FIXME: determine how to get boolean flag!

        ServerRfSessionImpl session = new ServerRfSessionImpl(sessionData, sessionFactory, getServerSessionListener(), getServerContextListener(),

            getStateListener(), messageTimeout, true);



        iss.addSession(session);

        session.getSessions().get(0).setRequestListener(session);

        return session;

      }

      else if (aClass == ClientRfSession.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();

          }

        }

        IClientRfSessionData sessionData = (IClientRfSessionData) this.sessionDataFactory.getAppSessionData(ClientRfSession.class, sessionId);

        sessionData.setApplicationId(applicationId);

        ClientRfSessionImpl session = new ClientRfSessionImpl(sessionData, sessionFactory, getClientSessionListener(), getClientContextListener(), getStateListener(),

            this.getApplicationId());



        iss.addSession(session);

        session.getSessions().get(0).setRequestListener(session);

        return session;

      }

      else {

        throw new IllegalArgumentException("Wrong session class: " + aClass + ". Supported[" + ClientRfSession.class + "," + ServerRfSession.class + "]");

      }

    }

    catch (Exception e) {

      logger.error("Failure to obtain new Rf Session.", e);

    }



    return null;

  }



  // State Change Listener

  // ----------------------------------------------------



  @SuppressWarnings("unchecked")

  public void stateChanged(Enum oldState, Enum newState) {

    logger.info("Diameter ACC SessionFactory :: stateChanged :: oldState[{}], newState[{}]", oldState, newState);

  }



  /*

   * (non-Javadoc)

   * 

   * @see

   * org.jdiameter.api.app.StateChangeListener#stateChanged(java.lang.Object,

   * java.lang.Enum, java.lang.Enum)

   */

  @SuppressWarnings("unchecked")

  public void stateChanged(AppSession source, Enum oldState, Enum newState) {

    logger.info("Diameter Rf SessionFactory :: stateChanged :: source[{}], oldState[{}], newState[{}]", new Object[] { source, oldState, newState });

  }



  // ///////////////////

  // Event listeners //

  // ///////////////////



  public void doRfAccountingRequestEvent(ServerRfSession appSession, RfAccountingRequest acr) throws InternalException, IllegalDiameterStateException, RouteException, OverloadException {

    logger.info("Diameter Base RfSessionFactory :: doAccRequestEvent :: appSession[" + appSession + "], Request[" + acr + "]");

  }



  public void doRfAccountingAnswerEvent(ClientRfSession appSession, RfAccountingRequest acr, RfAccountingAnswer aca) throws InternalException, IllegalDiameterStateException, RouteException,

  OverloadException {

    logger.info("doRfAnswerEvent :: appSession[" + appSession + "], Request[" + acr + "], Answer[" + aca + "]");

  }



  public void doOtherEvent(AppSession appSession, AppRequestEvent request, AppAnswerEvent answer) throws InternalException, IllegalDiameterStateException, RouteException,

  OverloadException {

    logger.info("Diameter Base RfountingSessionFactory :: doOtherEvent :: appSession[" + appSession + "], Request[" + request + "], Answer[" + answer + "]");

  }



  // Client context

  // -----------------------------------------------------------



  /*

   * (non-Javadoc)

   * 

   * @see

   * org.jdiameter.common.api.app.Rf.IClientRfActionContext#disconnectUserOrDev

   * (org.jdiameter.api.Request)

   */

  public void disconnectUserOrDev(ClientRfSession appSession, Request sessionTermRequest) throws InternalException {

    logger.info("disconnectUserOrDev :: appSession[" + appSession + "], Request[" + sessionTermRequest + "]");

  }



  /*

   * (non-Javadoc)

   * 

   * @see

   * org.jdiameter.common.api.app.Rf.IClientRfActionContext#failedSendRecord

   * (org.jdiameter.api.Request)

   */

  public boolean failedSendRecord(ClientRfSession appSession, Request rfRequest) throws InternalException {

    logger.info("failedSendRecord :: appSession[" + appSession + "], Request[" + rfRequest + "]");

    return false;

  }



  /*

   * (non-Javadoc)

   * 

   * @see org.jdiameter.common.api.app.acc.IClientAccActionContext#

   * interimIntervalElapses(org.jdiameter.api.Request)

   */

  public void interimIntervalElapses(ClientRfSession appSession, Request interimRequest) throws InternalException {

    logger.info("interimIntervalElapses :: appSession[" + appSession + "], Request[" + interimRequest + "]");

  }



  // Server context

  // -----------------------------------------------------------



  /*

   * (non-Javadoc)

   * 

   * @seeorg.jdiameter.common.api.app.Rf.IServerRfActionContext#

   * sessionTimeoutElapses(org.jdiameter.api.Rf.ServerRfSession)

   */

  public void sessionTimeoutElapses(ServerRfSession appSession) throws InternalException {

    logger.info("sessionTimeoutElapses :: appSession[" + appSession + "]");

  }



  /*

   * (non-Javadoc)

   * 

   * @see

   * org.jdiameter.common.api.app.Rf.IServerRfActionContext#sessionTimerStarted

   * (org.jdiameter.api.Rf.ServerRfSession,

   * java.util.concurrent.ScheduledFuture)

   */

  @SuppressWarnings("unchecked")

  public void sessionTimerStarted(ServerRfSession appSession, ScheduledFuture timer) throws InternalException {

    logger.info("sessionTimerStarted :: appSession[" + appSession + "]");

  }



  /*

   * (non-Javadoc)

   * 

   * @see

   * org.jdiameter.common.api.app.Rf.IServerRfActionContext#srssionTimerCanceled

   * (org.jdiameter.api.Rf.ServerRfSession,

   * java.util.concurrent.ScheduledFuture)

   */

  @SuppressWarnings("unchecked")

  public void sessionTimerCanceled(ServerRfSession appSession, ScheduledFuture timer) throws InternalException {

    logger.info("sessionTimerCanceled :: appSession[" + appSession + "]");

  }



}