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

/*

 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)

 *

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

 */

#ifndef LTE_RADIO_BEARER_TAG_H

#define LTE_RADIO_BEARER_TAG_H

#include "ns3/tag.h"

namespace ns3 {

class Tag;

/**

 * Tag used to define the RNTI and LC id for each MAC packet trasmitted

 */

class LteRadioBearerTag : public Tag

{

public:

  /**

   * \brief Get the type ID.

   * \return the object TypeId

   */

  static TypeId GetTypeId (void);

  virtual TypeId GetInstanceTypeId (void) const;

  /**

   * Create an empty LteRadioBearerTag

   */

  LteRadioBearerTag ();

  /**

   * Create a LteRadioBearerTag with the given RNTI and LC id

   */

  LteRadioBearerTag (uint16_t  rnti, uint8_t lcId);

  /**

  * Create a LteRadioBearerTag with the given RNTI, LC id and layer

  */

  LteRadioBearerTag (uint16_t  rnti, uint8_t lcId, uint8_t layer);

  /**

   * Set the RNTI to the given value.

   *

   * @param rnti the value of the RNTI to set

   */

  void SetRnti (uint16_t rnti);

  /**

   * Set the LC id to the given value.

   *

   * @param lcid the value of the RNTI to set

   */

  void SetLcid (uint8_t lcid);

  /**

  * Set the layer id to the given value.

  *

  * @param layer the value of the layer to set

  */

  void SetLayer (uint8_t layer);

  virtual void Serialize (TagBuffer i) const;

  virtual void Deserialize (TagBuffer i);

  virtual uint32_t GetSerializedSize () const;

  virtual void Print (std::ostream &os) const;

  /**

   * Get RNTI function

   *

   * \returns RNTI

   */

  uint16_t GetRnti (void) const;

  /**

   * Get LCID function

   *

   * \returns LCID

   */

  uint8_t GetLcid (void) const;

  /**

   * Get layer function

   *

   * \returns layer

   */

  uint8_t GetLayer (void) const;

private:

  uint16_t m_rnti; ///< RNTI

  uint8_t m_lcid; ///< LCID

  uint8_t m_layer; ///< layer

};

} // namespace ns3

#endif /* LTE_RADIO_BEARER_TAG_H */