/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Author: Giuseppe Piro  <g.piro@poliba.it>

 * Author: Marco Miozzo <marco.miozzo@cttc.es>

 */

#ifndef LTE_CONTROL_MESSAGES_H

#define LTE_CONTROL_MESSAGES_H

#include "ns3/ptr.h"

#include "ns3/simple-ref-count.h"

#include <list>

namespace ns3 {

class LteNetDevice;

/**

 * \ingroup lte

 *

 * The LteControlMessage provides a basic implementations for

 * control messages (such as PDCCH allocation map, CQI feedbacks)

 * that are exchanged among eNodeB and UEs.

 */

class LteControlMessage : public SimpleRefCount<LteControlMessage>

{

public:

  /**

   * The type of the message

   */

  enum MessageType

  {

    DL_DCI, UL_DCI, // Downlink/Uplink Data Control Indicator

    DL_CQI, UL_CQI, // Downlink/Uplink Channel Quality Indicator

    BSR // Buffer Status Report

  };

  LteControlMessage (void);

  virtual ~LteControlMessage (void);

  /**

   * \brief Set the type of the message

   * \param type the type of the message

   */

  void SetMessageType (MessageType type);

  /**

   * \brief Get the type of the message

   * \return the type of the message

   */

  MessageType GetMessageType (void);

private:

  Ptr<LteNetDevice> m_source;

  Ptr<LteNetDevice> m_destination;

  MessageType m_type;

};

} // namespace ns3

#endif /* LTE_CONTROL_MESSAGES_H */

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

#ifndef DL_DCI_LTE_CONTROL_MESSAGES_H

#define DL_DCI_LTE_CONTROL_MESSAGES_H

#include <ns3/object.h>

#include <ns3/ff-mac-common.h>

namespace ns3 {

/**

 * \ingroup lte

 * The Downlink Data Control Indicator messages defines the RB allocation for the

 * users in the downlink

 */

class DlDciLteControlMessage : public LteControlMessage

{

public:

  DlDciLteControlMessage (void);

  virtual ~DlDciLteControlMessage (void);

  /**

  * \brief add a DCI into the message

  * \param dci the dci

  */

  void SetDci (DlDciListElement_s dci);

  /**

  * \brief Get dic informations

  * \return dci messages

  */

  DlDciListElement_s GetDci (void);

private:

  DlDciListElement_s m_dci;

};

} // namespace ns3

#endif /* DL_DCI_LTE_CONTROL_MESSAGES_H */

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

#ifndef UL_DCI_LTE_CONTROL_MESSAGES_H

#define UL_DCI_LTE_CONTROL_MESSAGES_H

#include <ns3/object.h>

#include <ns3/ff-mac-common.h>

namespace ns3 {

/**

 * \ingroup lte

 * The Uplink Data Control Indicator messages defines the RB allocation for the

 * users in the uplink

 */

class UlDciLteControlMessage : public LteControlMessage

{

public:

  UlDciLteControlMessage (void);

  virtual ~UlDciLteControlMessage (void);

  /**

  * \brief add a DCI into the message

  * \param dci the dci

  */

  void SetDci (UlDciListElement_s dci);

  /**

  * \brief Get dic informations

  * \return dci messages

  */

  UlDciListElement_s GetDci (void);

private:

  UlDciListElement_s m_dci;

};

} // namespace ns3

#endif /* UL_DCI_LTE_CONTROL_MESSAGES_H */

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

#ifndef DLCQI_LTE_CONTROL_MESSAGES_H

#define DLCQI_LTE_CONTROL_MESSAGES_H

#include <ns3/object.h>

#include <ns3/ff-mac-common.h>

namespace ns3 {

class LteNetDevice;

/**

 * \ingroup lte

 * The downlink CqiLteControlMessage defines an ideal list of

 * feedback about the channel quality sent by the UE to the eNodeB.

 */

class DlCqiLteControlMessage : public LteControlMessage

{

public:

  DlCqiLteControlMessage (void);

  virtual ~DlCqiLteControlMessage (void);

  /**

  * \brief add a DL-CQI feedback record into the message.

  * \param dlcqi the DL cqi feedback

  */

  void SetDlCqi (CqiListElement_s dlcqi);

  /**

  * \brief Get DL cqi informations

  * \return dlcqi messages

  */

  CqiListElement_s GetDlCqi (void);

private:

  CqiListElement_s m_dlCqi;

};

} // namespace ns3

#endif /* DLCQI_LTE_CONTROL_MESSAGES_H */

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

#ifndef BSR_LTE_CONTROL_MESSAGES_H

#define BSR_LTE_CONTROL_MESSAGES_H

#include <ns3/object.h>

#include <ns3/ff-mac-common.h>

namespace ns3 {

class LteNetDevice;

/**

 * \ingroup lte

 * The uplink BsrLteControlMessage defines the specific

 * extension of the CE element for reporting the buffer status report

 */

class BsrLteControlMessage : public LteControlMessage

{

public:

  BsrLteControlMessage (void);

  virtual ~BsrLteControlMessage (void);

  /**

  * \brief add a BSR feedback record into the message.

  * \param bsr the BSR feedback

  */

  void SetBsr (MacCeListElement_s ulcqi);

  /**

  * \brief Get BSR informations

  * \return BSR message

  */

  MacCeListElement_s GetBsr (void);

private:

  MacCeListElement_s m_bsr;

};

} // namespace ns3

#endif /* LTE_CONTROL_MESSAGES_H */