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srsLTE/srsenb/hdr/stack/mac/schedulers/sched_base.h

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Refactoring of scheduling algorithms - Use single interface for both DL and UL - Wrote helper functions for tasks that are common to different algorithms - created subfolder for all scheduling algorithms
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/**
*
* \section COPYRIGHT
*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
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#ifndef SRSRAN_SCHED_BASE_H
#define SRSRAN_SCHED_BASE_H
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#include "srsenb/hdr/stack/mac/sched_grid.h"
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#include "srsenb/hdr/stack/mac/sched_phy_ch/sched_phy_resource.h"
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namespace srsenb {
/**
* Base class for scheduler algorithms implementations
*/
class sched_base
{
public:
virtual ~sched_base() = default;
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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;
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protected:
Port enb specific classes to use srslog (#2155) * - Started porting the enb PHY layer to use srslog loggers. - Updated srslog to manage the none level. * Finished porting enb phy layer including the NR part. * Ported MAC, GTPU, PDCP, RLC and S1AP enb classes to use srslog. * Use new stack logger. * Ported the enb RRC clases to use srslog. * Remove unused log macros. * Replace loggers in sched, sched_carrier, sched_helpers. * Replaced loggers in sched grid. * Replaced loggers in sched harq. * Replaced loggers in sched ue. * Replaced loggers in sched ue ctrl. * Replace loggers in sched ue ctrl TPC. * Replaced loggers in sched subclasses. * Replaced loggers in rrc_meascfg_test * Configure loggers in rrc_mobility_test. * Fix compilation errors left out after the rebase. * - Implement a custom log sink that will serve as a test spy to intercept and count the number of error and warning log entries. - Adapt the erab_test_setup and rrc_mobility tests to use this new class and make them pass again. * - Remove trailing new lines introduced in the rebase. - Ported the sched_ue_cell class to srslog. * Remove unused log member. * Ported mac tests to srslog. * - Removed remaining trailing newlines from log entries. * Fix compiler errors detected in CI. * Fix another static variable without definition passed to log lines. * Fixed a bug in srslog::flush that would never end when the backend queue is full. * Fetch the RRC logger instead of injecting it in the constructor.
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srslog::basic_logger& logger = srslog::fetch_basic_logger("MAC");
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};
/**************** 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
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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);
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} // namespace srsenb
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#endif // SRSRAN_SCHED_BASE_H