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2.1 KiB
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_BASE_H
#define SRSRAN_SCHED_BASE_H
#include "srsenb/hdr/stack/mac/sched_grid.h"
#include "srsenb/hdr/stack/mac/sched_phy_ch/sched_phy_resource.h"
namespace srsenb {
/**
* Base class for scheduler algorithms implementations
*/
class sched_base
{
public:
virtual ~sched_base() = default;
virtual void sched_dl_users(sched_ue_list& ue_db, sf_sched* tti_sched) = 0;
virtual void sched_ul_users(sched_ue_list& ue_db, sf_sched* tti_sched) = 0;
protected:
srslog::basic_logger& logger = srslog::fetch_basic_logger("MAC");
};
/**************** Helper methods ****************/
const dl_harq_proc* get_dl_retx_harq(sched_ue& user, sf_sched* tti_sched);
const dl_harq_proc* get_dl_newtx_harq(sched_ue& user, sf_sched* tti_sched);
const ul_harq_proc* get_ul_retx_harq(sched_ue& user, sf_sched* tti_sched);
const ul_harq_proc* get_ul_newtx_harq(sched_ue& user, sf_sched* tti_sched);
/// Helper methods to allocate resources in subframe
alloc_result try_dl_retx_alloc(sf_sched& tti_sched, sched_ue& ue, const dl_harq_proc& h);
alloc_result
try_dl_newtx_alloc_greedy(sf_sched& tti_sched, sched_ue& ue, const dl_harq_proc& h, rbgmask_t* result_mask = nullptr);
alloc_result try_ul_retx_alloc(sf_sched& tti_sched, sched_ue& ue, const ul_harq_proc& h);
} // namespace srsenb
#endif // SRSRAN_SCHED_BASE_H