mirror of https://github.com/PentHertz/srsLTE.git
142 lines
5.5 KiB
C++
142 lines
5.5 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSRAN_MAC_PCAP_BASE_H
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#define SRSRAN_MAC_PCAP_BASE_H
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#include "srsran/adt/circular_buffer.h"
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#include "srsran/common/buffer_pool.h"
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#include "srsran/common/common.h"
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#include "srsran/common/pcap.h"
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#include "srsran/common/threads.h"
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#include "srsran/srslog/srslog.h"
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#include <mutex>
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#include <stdint.h>
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#include <thread>
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namespace srsran {
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class mac_pcap_base : protected srsran::thread
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{
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public:
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mac_pcap_base();
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mac_pcap_base(const mac_pcap_base& other) = delete;
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mac_pcap_base& operator=(const mac_pcap_base& other) = delete;
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mac_pcap_base(mac_pcap_base&& other) = delete;
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mac_pcap_base& operator=(mac_pcap_base&& other) = delete;
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~mac_pcap_base();
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void enable(bool enable);
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virtual uint32_t close() = 0;
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void set_ue_id(uint16_t ue_id);
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// EUTRA
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void
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write_ul_crnti(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t crnti, uint32_t reTX, uint32_t tti, uint8_t cc_idx);
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void write_dl_crnti(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t crnti, bool crc_ok, uint32_t tti, uint8_t cc_idx);
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void write_dl_ranti(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t ranti, bool crc_ok, uint32_t tti, uint8_t cc_idx);
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void write_ul_crnti(uint8_t* pdu,
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uint32_t pdu_len_bytes,
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uint16_t crnti,
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uint16_t ue_id,
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uint32_t reTX,
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uint32_t tti,
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uint8_t cc_idx);
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void write_dl_crnti(uint8_t* pdu,
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uint32_t pdu_len_bytes,
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uint16_t crnti,
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uint16_t ue_id,
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bool crc_ok,
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uint32_t tti,
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uint8_t cc_idx);
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// SI and BCH only for DL
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void write_dl_sirnti(uint8_t* pdu, uint32_t pdu_len_bytes, bool crc_ok, uint32_t tti, uint8_t cc_idx);
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void write_dl_bch(uint8_t* pdu, uint32_t pdu_len_bytes, bool crc_ok, uint32_t tti, uint8_t cc_idx);
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void write_dl_pch(uint8_t* pdu, uint32_t pdu_len_bytes, bool crc_ok, uint32_t tti, uint8_t cc_idx);
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void write_dl_mch(uint8_t* pdu, uint32_t pdu_len_bytes, bool crc_ok, uint32_t tti, uint8_t cc_idx);
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void write_ul_rrc_pdu(const uint8_t* input, const int32_t input_len);
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// Sidelink
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void write_sl_crnti(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint32_t reTX, uint32_t tti, uint8_t cc_idx);
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// NR
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void write_dl_crnti_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t crnti, uint8_t harqid, uint32_t tti);
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void write_ul_crnti_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint8_t harqid, uint32_t tti);
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void write_dl_ra_rnti_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint8_t harqid, uint32_t tti);
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void write_dl_bch_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint8_t harqid, uint32_t tti);
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void write_dl_pch_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint8_t harqid, uint32_t tti);
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void write_dl_si_rnti_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint8_t harqid, uint32_t tti);
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// NR for enb with different ue_id
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// clang-format off
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void write_dl_crnti_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t crnti, uint16_t ue_id, uint8_t harqid, uint32_t tti);
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void write_ul_crnti_nr(uint8_t* pdu, uint32_t pdu_len_bytes, uint16_t rnti, uint16_t ue_id, uint8_t harqid, uint32_t tti);
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// clang-format on
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protected:
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typedef struct {
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// Different PCAP context for both RATs
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srsran::srsran_rat_t rat;
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MAC_Context_Info_t context;
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mac_nr_context_info_t context_nr;
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unique_byte_buffer_t pdu;
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} pcap_pdu_t;
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virtual void write_pdu(pcap_pdu_t& pdu) = 0;
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void run_thread() final;
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std::mutex mutex;
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srslog::basic_logger& logger;
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std::atomic<bool> running = {false};
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static_blocking_queue<pcap_pdu_t, 1024> queue;
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uint16_t ue_id = 0;
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int emergency_handler_id = -1;
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private:
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void pack_and_queue(uint8_t* payload,
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uint32_t payload_len,
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uint16_t ue_id,
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uint32_t reTX,
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bool crc_ok,
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uint8_t cc_idx,
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uint32_t tti,
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uint16_t crnti_,
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uint8_t direction,
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uint8_t rnti_type);
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void pack_and_queue_nr(uint8_t* payload,
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uint32_t payload_len,
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uint32_t tti,
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uint16_t crnti,
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uint16_t ue_id,
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uint8_t harqid,
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uint8_t direction,
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uint8_t rnti_type);
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};
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} // namespace srsran
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#endif // SRSRAN_MAC_PCAP_BASE_H
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