mirror of https://github.com/PentHertz/srsLTE.git
90 lines
2.2 KiB
C++
90 lines
2.2 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 SRSUE_MUX_H
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#define SRSUE_MUX_H
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#include <pthread.h>
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#include <vector>
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#include "proc_bsr.h"
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#include "proc_phr.h"
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#include "srsran/common/common.h"
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#include "srsran/interfaces/mac_interface_types.h"
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#include "srsran/mac/pdu.h"
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#include "srsran/srslog/srslog.h"
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#include "srsue/hdr/stack/mac_common/mux_base.h"
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#include <mutex>
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namespace srsue {
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class mux : private mux_base
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{
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public:
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explicit mux(srslog::basic_logger& logger);
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~mux(){};
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void reset();
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void init(rlc_interface_mac* rlc, bsr_interface_mux* bsr_procedure, phr_proc* phr_procedure_);
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void step();
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bool is_pending_any_sdu();
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bool is_pending_sdu(uint32_t lcid);
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uint8_t* pdu_get(srsran::byte_buffer_t* payload, uint32_t pdu_sz);
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uint8_t* msg3_get(srsran::byte_buffer_t* payload, uint32_t pdu_sz);
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void msg3_flush();
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bool msg3_is_transmitted();
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void msg3_prepare();
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bool msg3_is_pending();
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bool msg3_is_empty();
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void append_crnti_ce_next_tx(uint16_t crnti);
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void setup_lcid(const srsran::logical_channel_config_t& config);
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void print_logical_channel_state(const std::string& info);
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private:
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uint8_t* pdu_get_nolock(srsran::byte_buffer_t* payload, uint32_t pdu_sz);
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bool pdu_move_to_msg3(uint32_t pdu_sz);
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uint32_t allocate_sdu(uint32_t lcid, srsran::sch_pdu* pdu, int max_sdu_sz);
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bool sched_sdu(srsran::logical_channel_config_t* ch, int* sdu_space, int max_sdu_sz);
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const static int MAX_NOF_SUBHEADERS = 20;
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// Mutex for exclusive access
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std::mutex mutex;
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srslog::basic_logger& logger;
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rlc_interface_mac* rlc = nullptr;
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bsr_interface_mux* bsr_procedure = nullptr;
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phr_proc* phr_procedure = nullptr;
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uint16_t pending_crnti_ce = 0;
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/* Msg3 Buffer */
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srsran::byte_buffer_t msg_buff;
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/* PDU Buffer */
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srsran::sch_pdu pdu_msg;
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srsran::byte_buffer_t msg3_buff;
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bool msg3_has_been_transmitted = false;
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bool msg3_pending = false;
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};
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} // namespace srsue
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#endif // SRSUE_MUX_H
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