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C++

/**
* Copyright 2013-2021 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_SCHED_NR_H
#define SRSRAN_SCHED_NR_H
#include "sched_nr_cfg.h"
#include "sched_nr_interface.h"
#include "sched_nr_ue.h"
#include "srsran/adt/pool/cached_alloc.h"
#include "srsran/adt/pool/circular_stack_pool.h"
#include "srsran/common/slot_point.h"
#include <array>
extern "C" {
#include "srsran/config.h"
}
namespace srsenb {
namespace sched_nr_impl {
class cc_worker;
} // namespace sched_nr_impl
class sched_nr final : public sched_nr_interface
{
public:
explicit sched_nr();
~sched_nr() override;
void stop();
int config(const sched_args_t& sched_cfg, srsran::const_span<sched_nr_cell_cfg_t> cell_list) override;
void ue_cfg(uint16_t rnti, const ue_cfg_t& cfg) override;
void ue_rem(uint16_t rnti) override;
int dl_rach_info(const rar_info_t& rar_info);
void dl_ack_info(uint16_t rnti, uint32_t cc, uint32_t pid, uint32_t tb_idx, bool ack) override;
void ul_crc_info(uint16_t rnti, uint32_t cc, uint32_t pid, bool crc) override;
void ul_sr_info(uint16_t rnti) override;
void ul_bsr(uint16_t rnti, uint32_t lcg_id, uint32_t bsr) override;
void dl_buffer_state(uint16_t rnti, uint32_t lcid, uint32_t newtx, uint32_t retx);
void dl_mac_ce(uint16_t rnti, uint32_t ce_lcid) override;
void dl_cqi_info(uint16_t rnti, uint32_t cc, uint32_t cqi_value);
/// Called once per slot in a non-concurrent fashion
void slot_indication(slot_point slot_tx) override;
dl_res_t* get_dl_sched(slot_point pdsch_tti, uint32_t cc) override;
ul_res_t* get_ul_sched(slot_point pusch_tti, uint32_t cc) override;
void get_metrics(mac_metrics_t& metrics);
private:
int ue_cfg_impl(uint16_t rnti, const ue_cfg_t& cfg);
int add_ue_impl(uint16_t rnti, sched_nr_impl::unique_ue_ptr u);
// args
sched_nr_impl::sched_params_t cfg;
srslog::basic_logger* logger = nullptr;
// slot-specific
slot_point current_slot_tx;
std::atomic<int> worker_count{0};
using slot_cc_worker = sched_nr_impl::cc_worker;
std::vector<std::unique_ptr<sched_nr_impl::cc_worker> > cc_workers;
// UE Database
std::unique_ptr<srsran::circular_stack_pool<SRSENB_MAX_UES> > ue_pool;
using ue_map_t = sched_nr_impl::ue_map_t;
ue_map_t ue_db;
// Feedback management
class event_manager;
std::unique_ptr<event_manager> pending_events;
// metrics extraction
class ue_metrics_manager;
std::unique_ptr<ue_metrics_manager> metrics_handler;
};
} // namespace srsenb
#endif // SRSRAN_SCHED_NR_H