srsRAN_4G/srsue/hdr/stack/ue_stack_lte.h

/*
 * Copyright 2013-2019 Software Radio Systems Limited
 *
 * This file is part of srsLTE.
 *
 * srsLTE 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.
 *
 * srsLTE 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/.
 *
 */
/******************************************************************************
 * File:        ue_stack.h
 * Description: L2/L3 LTE stack class.
 *****************************************************************************/

#ifndef SRSUE_UE_STACK_LTE_H
#define SRSUE_UE_STACK_LTE_H

#include <pthread.h>
#include <stdarg.h>
#include <string>

#include "mac/mac.h"
#include "rrc/rrc.h"
#include "srslte/radio/radio.h"
#include "srslte/upper/pdcp.h"
#include "srslte/upper/rlc.h"
#include "upper/gw.h"
#include "upper/nas.h"
#include "upper/usim.h"

#include "srslte/common/buffer_pool.h"
#include "srslte/interfaces/ue_interfaces.h"
#include "srslte/common/log_filter.h"

#include "srsue/hdr/ue_metrics_interface.h"
#include "ue_stack_base.h"

namespace srsue {

class ue_stack_lte : public ue_stack_base, public stack_interface_phy_lte
{
public:
  ue_stack_lte();
  ~ue_stack_lte();

  std::string get_type();

  int  init(const stack_args_t& args_, srslte::logger* logger_);
  int  init(const stack_args_t& args_, srslte::logger* logger_, phy_interface_stack_lte* phy_);
  bool switch_on();
  bool switch_off();
  void stop();

  bool get_metrics(stack_metrics_t* metrics);
  bool is_rrc_connected();

  // RRC interface for PHY
  void in_sync() { rrc.in_sync(); };
  void out_of_sync() { rrc.out_of_sync(); };
  void new_phy_meas(float rsrp, float rsrq, uint32_t tti, int earfcn = -1, int pci = -1)
  {
    rrc.new_phy_meas(rsrp, rsrq, tti, earfcn, pci);
  };

  // MAC Interface for PHY
  uint16_t get_dl_sched_rnti(uint32_t tti) { return mac.get_dl_sched_rnti(tti); }
  uint16_t get_ul_sched_rnti(uint32_t tti) { return mac.get_ul_sched_rnti(tti); }

  void new_grant_ul(uint32_t cc_idx, mac_grant_ul_t grant, tb_action_ul_t* action)
  {
    mac.new_grant_ul(cc_idx, grant, action);
  }

  void new_grant_dl(uint32_t cc_idx, mac_grant_dl_t grant, tb_action_dl_t* action)
  {
    mac.new_grant_dl(cc_idx, grant, action);
  }

  void tb_decoded(uint32_t cc_idx, mac_grant_dl_t grant, bool ack[SRSLTE_MAX_CODEWORDS])
  {
    mac.tb_decoded(cc_idx, grant, ack);
  }

  void bch_decoded_ok(uint8_t* payload, uint32_t len) { mac.bch_decoded_ok(payload, len); }

  void mch_decoded(uint32_t len, bool crc) { mac.mch_decoded(len, crc); }

  void new_mch_dl(srslte_pdsch_grant_t phy_grant, tb_action_dl_t* action) { mac.new_mch_dl(phy_grant, action); }

  void set_mbsfn_config(uint32_t nof_mbsfn_services) { mac.set_mbsfn_config(nof_mbsfn_services); }

  void run_tti(const uint32_t tti) { mac.run_tti(tti); }

private:
  bool                running;
  srsue::stack_args_t args;

  srsue::mac        mac;
  srslte::mac_pcap  mac_pcap;
  srslte::nas_pcap  nas_pcap;
  srslte::rlc       rlc;
  srslte::pdcp      pdcp;
  srsue::rrc        rrc;
  srsue::nas        nas;
  srsue::gw         gw;
  srsue::usim_base* usim;

  srslte::logger* logger;

  // Radio and PHY log are in ue.cc
  srslte::log_filter mac_log;
  srslte::log_filter rlc_log;
  srslte::log_filter pdcp_log;
  srslte::log_filter rrc_log;
  srslte::log_filter nas_log;
  srslte::log_filter gw_log;
  srslte::log_filter usim_log;
  srslte::log_filter pool_log;

  // RAT-specific interfaces
  phy_interface_stack_lte* phy;
};

} // namespace srsue

#endif // SRSUE_UE_STACK_LTE_H