mirror of https://github.com/PentHertz/srsLTE.git
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_SCHED_TIME_PF_H
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#define SRSRAN_SCHED_TIME_PF_H
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#include "sched_base.h"
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#include <queue>
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namespace srsenb {
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class sched_time_pf final : public sched_base
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{
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using ue_cit_t = sched_ue_list::const_iterator;
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public:
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sched_time_pf(const sched_cell_params_t& cell_params_, const sched_interface::sched_args_t& sched_args);
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void sched_dl_users(sched_ue_list& ue_db, sf_sched* tti_sched) override;
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void sched_ul_users(sched_ue_list& ue_db, sf_sched* tti_sched) override;
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private:
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void new_tti(sched_ue_list& ue_db, sf_sched* tti_sched);
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const sched_cell_params_t* cc_cfg = nullptr;
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float fairness_coeff = 1;
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srsran::tti_point current_tti_rx;
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struct ue_ctxt {
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ue_ctxt(uint16_t rnti_, float fairness_coeff_) : rnti(rnti_), fairness_coeff(fairness_coeff_) {}
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float dl_avg_rate() const { return dl_nof_samples == 0 ? 0 : dl_avg_rate_; }
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float ul_avg_rate() const { return ul_nof_samples == 0 ? 0 : ul_avg_rate_; }
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uint32_t dl_count() const { return dl_nof_samples; }
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uint32_t ul_count() const { return ul_nof_samples; }
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void new_tti(const sched_cell_params_t& cell, sched_ue& ue, sf_sched* tti_sched);
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void save_dl_alloc(uint32_t alloc_bytes, float alpha);
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void save_ul_alloc(uint32_t alloc_bytes, float alpha);
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const uint16_t rnti;
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const float fairness_coeff;
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int ue_cc_idx = 0;
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float dl_prio = 0;
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float ul_prio = 0;
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const dl_harq_proc* dl_retx_h = nullptr;
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const dl_harq_proc* dl_newtx_h = nullptr;
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const ul_harq_proc* ul_h = nullptr;
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private:
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float dl_avg_rate_ = 0;
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float ul_avg_rate_ = 0;
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uint32_t dl_nof_samples = 0;
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uint32_t ul_nof_samples = 0;
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};
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std::map<uint16_t, ue_ctxt> ue_history_db;
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struct ue_dl_prio_compare {
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bool operator()(const ue_ctxt* lhs, const ue_ctxt* rhs) const;
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};
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struct ue_ul_prio_compare {
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bool operator()(const ue_ctxt* lhs, const ue_ctxt* rhs) const;
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};
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std::priority_queue<ue_ctxt*, std::vector<ue_ctxt*>, ue_dl_prio_compare> dl_queue;
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std::priority_queue<ue_ctxt*, std::vector<ue_ctxt*>, ue_ul_prio_compare> ul_queue;
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uint32_t try_dl_alloc(ue_ctxt& ue_ctxt, sched_ue& ue, sf_sched* tti_sched);
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uint32_t try_ul_alloc(ue_ctxt& ue_ctxt, sched_ue& ue, sf_sched* tti_sched);
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};
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} // namespace srsenb
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#endif // SRSRAN_SCHED_TIME_PF_H
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