/**
 *
 * \section COPYRIGHT
 *
 * Copyright 2013-2021 Software Radio Systems Limited
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the distribution.
 *
 */

#ifndef SRSRAN_GNB_NGAP_INTERFACES_H
#define SRSRAN_GNB_NGAP_INTERFACES_H

#include "srsran/asn1/ngap_utils.h"

namespace srsenb {

struct ngap_args_t {
  uint32_t    gnb_id             = 0; // 20-bit id (lsb bits)
  uint8_t     cell_id            = 0; // 8-bit cell id
  uint16_t    tac                = 0; // 16-bit tac
  uint16_t    mcc                = 0; // BCD-coded with 0xF filler
  uint16_t    mnc                = 0; // BCD-coded with 0xF filler
  std::string amf_addr           = "";
  std::string gtp_bind_addr      = "";
  std::string gtp_advertise_addr = "";
  std::string ngc_bind_addr      = "";
  std::string gnb_name           = "";
};

// NGAP interface for RRC
class ngap_interface_rrc_nr
{
public:
  virtual void initial_ue(uint16_t                                rnti,
                          uint32_t                                gnb_cc_idx,
                          asn1::ngap_nr::rrcestablishment_cause_e cause,
                          srsran::unique_byte_buffer_t            pdu) = 0;
  virtual void initial_ue(uint16_t                                rnti,
                          uint32_t                                gnb_cc_idx,
                          asn1::ngap_nr::rrcestablishment_cause_e cause,
                          srsran::unique_byte_buffer_t            pdu,
                          uint32_t                                m_tmsi)                  = 0;

  virtual void write_pdu(uint16_t rnti, srsran::unique_byte_buffer_t pdu)                    = 0;
  virtual bool user_exists(uint16_t rnti)                                                    = 0;
  virtual void user_mod(uint16_t old_rnti, uint16_t new_rnti)                                = 0;
  virtual bool user_release(uint16_t rnti, asn1::ngap_nr::cause_radio_network_e cause_radio) = 0;
  virtual bool is_amf_connected()                                                            = 0;
  virtual void ue_ctxt_setup_complete(uint16_t rnti)                                         = 0;
};

} // namespace srsenb

#endif // SRSRAN_GNB_NGAP_INTERFACES_H