srsRAN_4G/srsgnb/hdr/stack/common/test/dummy_nr_classes.h

/**
 * Copyright 2013-2022 Software Radio Systems Limited
 *
 * This file is part of srsRAN.
 *
 * srsRAN is free software: you can redistribute it and/or modify
 * it 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.
 *
 * srsRAN 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.
 *
 * A copy of the GNU Affero General Public License can be found in
 * the LICENSE file in the top-level directory of this distribution
 * and at http://www.gnu.org/licenses/.
 *
 */

#ifndef SRSRAN_DUMMY_NR_CLASSES_H
#define SRSRAN_DUMMY_NR_CLASSES_H

#include "srsran/interfaces/gnb_interfaces.h"
#include "srsran/interfaces/gnb_mac_interfaces.h"
#include "srsran/interfaces/gnb_ngap_interfaces.h"

namespace srsenb {

class ngap_dummy : public ngap_interface_rrc_nr
{
  void initial_ue(uint16_t                             rnti,
                  uint32_t                             gnb_cc_idx,
                  asn1::ngap::rrcestablishment_cause_e cause,
                  srsran::const_byte_span              pdu)
  {}
  void initial_ue(uint16_t                             rnti,
                  uint32_t                             gnb_cc_idx,
                  asn1::ngap::rrcestablishment_cause_e cause,
                  srsran::const_byte_span              pdu,
                  uint32_t                             m_tmsi)
  {}

  void write_pdu(uint16_t rnti, srsran::const_byte_span pdu) {}
  bool user_exists(uint16_t rnti) { return true; }
  void user_mod(uint16_t old_rnti, uint16_t new_rnti) {}
  void user_release_request(uint16_t rnti, asn1::ngap::cause_radio_network_e cause_radio) {}
  bool is_amf_connected() { return true; }
  void ue_notify_rrc_reconf_complete(uint16_t rnti, bool outcome) {}
};

class rrc_nr_dummy : public rrc_interface_mac_nr
{
public:
  int  read_pdu_bcch_bch(const uint32_t tti, srsran::byte_buffer_t& buffer) { return SRSRAN_SUCCESS; }
  int  read_pdu_bcch_dlsch(uint32_t sib_index, srsran::byte_buffer_t& buffer) { return SRSRAN_SUCCESS; }
  int  add_user(uint16_t rnti, uint32_t pcell_cc_idx) { return SRSRAN_SUCCESS; }
  int  update_user(uint16_t new_rnti, uint16_t old_rnti) { return SRSRAN_SUCCESS; }
  void set_activity_user(uint16_t rnti) {}
};

class rlc_nr_dummy : public rlc_interface_mac_nr
{
public:
  int  read_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes) override { return SRSRAN_SUCCESS; }
  void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size) override {}
  void write_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes) override {}
};

class mac_nr_dummy : public mac_interface_rrc_nr
{
public:
  int cell_cfg(const std::vector<sched_nr_cell_cfg_t>& nr_cells_) override
  {
    nr_cells = nr_cells_;
    return SRSRAN_SUCCESS;
  }
  uint16_t reserve_rnti(uint32_t enb_cc_idx, const sched_nr_ue_cfg_t& uecfg) override { return 0x4601; }

  int ue_cfg(uint16_t rnti, const sched_nr_interface::ue_cfg_t& ue_cfg) override
  {
    last_ue_cfg_rnti = rnti;
    last_ue_cfg      = ue_cfg;
    return SRSRAN_SUCCESS;
  }

  int remove_ue(uint16_t rnti) override { return SRSRAN_SUCCESS; }

  std::vector<sched_nr_cell_cfg_t> nr_cells;
  uint16_t                         last_ue_cfg_rnti = SRSRAN_INVALID_RNTI;
  sched_nr_interface::ue_cfg_t     last_ue_cfg{};
};

class phy_nr_dummy : public phy_interface_stack_nr
{
public:
  int set_common_cfg(const phy_interface_rrc_nr::common_cfg_t& common_cfg_) override { return SRSRAN_SUCCESS; }
};

} // namespace srsenb

#endif // SRSRAN_DUMMY_NR_CLASSES_H