mirror of https://github.com/PentHertz/srsLTE.git
315 lines
11 KiB
C++
315 lines
11 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 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_TTCN3_SYSSIM_H
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#define SRSUE_TTCN3_SYSSIM_H
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#include "srslte/mac/pdu_queue.h"
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#include "srslte/test/ue_test_interfaces.h"
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#include "srslte/upper/pdcp.h"
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#include "srslte/upper/rlc.h"
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#include "ttcn3_common.h"
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#include "ttcn3_drb_interface.h"
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#include "ttcn3_ip_ctrl_interface.h"
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#include "ttcn3_ip_sock_interface.h"
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#include "ttcn3_srb_interface.h"
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#include "ttcn3_sys_interface.h"
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#include "ttcn3_ue.h"
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#include "ttcn3_ut_interface.h"
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#include <functional>
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class ttcn3_syssim : public syssim_interface_phy,
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public ss_ut_interface,
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public ss_sys_interface,
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public ss_srb_interface,
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public rrc_interface_rlc,
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public rlc_interface_pdcp,
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public rrc_interface_pdcp,
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public gw_interface_pdcp,
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public srslte::pdu_queue::process_callback
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{
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public:
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ttcn3_syssim(srslte::logger& logger_file_, srslte::logger& logger_stdout_, ttcn3_ue* ue_);
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~ttcn3_syssim();
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int init(const all_args_t& args_);
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void set_forced_lcid(int lcid);
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int add_port_handler();
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///< Function called by epoll timer handler when TTI timer expires
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void new_tti_indication(uint64_t res);
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void stop();
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void reset();
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// Called from UT before starting testcase
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void tc_start(const char* name);
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// Called from UT to terminate the testcase
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void tc_end();
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void power_off_ue();
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// Called from outside
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void switch_on_ue();
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void switch_off_ue();
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void enable_data();
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void disable_data();
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// Called from PHY but always from the SS main thread with lock being hold
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void prach_indication(uint32_t preamble_index_, const uint32_t& cell_id);
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// Called from PHY
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void sr_req(uint32_t tti_tx);
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// Called from PHY
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void tx_pdu(const uint8_t* payload, const int len, const uint32_t tx_tti);
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// Internal function called from main thread
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void send_rar(uint32_t preamble_index);
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// Internal function called from main thread
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void send_msg3_grant();
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// Internal function called from main thread
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void send_sr_ul_grant();
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// internal function called from tx_pdu (called from main thread)
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bool process_ce(srslte::sch_subh* subh);
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uint32_t get_pid(const uint32_t tti_);
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bool get_ndi_for_new_ul_tx(const uint32_t tti_);
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bool get_ndi_for_new_dl_tx(const uint32_t tti_);
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int run();
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uint32_t get_tti();
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void process_pdu(uint8_t* buff, uint32_t len, pdu_queue::channel_t channel);
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void set_cell_config(const ttcn3_helpers::timing_info_t timing, const cell_config_t cell);
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void set_cell_config_impl(const cell_config_t cell);
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// cell helper
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void set_cell_attenuation(const ttcn3_helpers::timing_info_t timing, const std::string cell_name, const float value);
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void set_cell_attenuation_impl(const std::string cell_name, const float value);
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void add_bcch_dlsch_pdu(const string cell_name, unique_byte_buffer_t pdu);
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void add_ccch_pdu(const ttcn3_helpers::timing_info_t timing, const std::string cell_name, unique_byte_buffer_t pdu);
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void add_ccch_pdu_impl(const std::string cell_name, unique_byte_buffer_t pdu);
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void add_dcch_pdu(const ttcn3_helpers::timing_info_t timing,
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const std::string cell_name,
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uint32_t lcid,
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unique_byte_buffer_t pdu,
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bool follow_on_flag);
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void add_dcch_pdu_impl(const std::string cell_name, uint32_t lcid, unique_byte_buffer_t pdu, bool follow_on_flag);
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void add_pch_pdu(unique_byte_buffer_t pdu);
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void step_stack();
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void add_srb(const ttcn3_helpers::timing_info_t timing,
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const std::string cell_name,
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const uint32_t lcid,
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const pdcp_config_t pdcp_config);
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void add_srb_impl(const std::string cell_name, const uint32_t lcid, const pdcp_config_t pdcp_config);
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void reestablish_bearer(const std::string cell_name, const uint32_t lcid);
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void del_srb(const ttcn3_helpers::timing_info_t timing, const std::string cell_name, const uint32_t lcid);
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void del_srb_impl(const std::string cell_name, const uint32_t lcid);
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void add_drb(const ttcn3_helpers::timing_info_t timing,
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const std::string cell_name,
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const uint32_t lcid,
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const pdcp_config_t pdcp_config);
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void add_drb_impl(const std::string cell_name, const uint32_t lcid, const pdcp_config_t pdcp_config);
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void del_drb(const ttcn3_helpers::timing_info_t timing, const std::string cell_name, const uint32_t lcid);
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void del_drb_impl(const std::string cell_name, const uint32_t lcid);
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// RRC interface for PDCP, PDCP calls RRC to push RRC SDU
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void write_pdu(uint32_t lcid, unique_byte_buffer_t pdu);
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// Not supported right now
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void write_pdu_bcch_bch(unique_byte_buffer_t pdu);
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void write_pdu_bcch_dlsch(unique_byte_buffer_t pdu);
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void write_pdu_pcch(unique_byte_buffer_t pdu);
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void write_pdu_mch(uint32_t lcid, unique_byte_buffer_t pdu);
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void max_retx_attempted();
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std::string get_rb_name(uint32_t lcid);
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void write_sdu(uint32_t lcid, unique_byte_buffer_t sdu);
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void discard_sdu(uint32_t lcid, uint32_t sn);
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bool rb_is_um(uint32_t lcid);
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bool sdu_queue_is_full(uint32_t lcid);
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void set_as_security(const ttcn3_helpers::timing_info_t timing,
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const std::string cell_name,
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std::array<uint8_t, 32> k_rrc_enc_,
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std::array<uint8_t, 32> k_rrc_int_,
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std::array<uint8_t, 32> k_up_enc_,
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const srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo_,
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const srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo_,
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const ttcn3_helpers::pdcp_count_map_t bearers_);
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void set_as_security_impl(const std::string cell_name,
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std::array<uint8_t, 32> k_rrc_enc_,
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std::array<uint8_t, 32> k_rrc_int_,
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std::array<uint8_t, 32> k_up_enc_,
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const srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo_,
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const srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo_,
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const ttcn3_helpers::pdcp_count_map_t bearers);
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void release_as_security(const ttcn3_helpers::timing_info_t timing, const std::string cell_name);
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void release_as_security_impl(const std::string cell_name);
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void select_cell(srslte_cell_t phy_cell);
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ttcn3_helpers::pdcp_count_map_t get_pdcp_count(const std::string cell_name);
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private:
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// Logging stuff.
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srslog::basic_logger& logger;
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srslog::basic_logger& ut_logger;
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srslog::basic_logger& sys_logger;
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srslog::basic_logger& ip_sock_logger;
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srslog::basic_logger& ip_ctrl_logger;
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srslog::basic_logger& srb_logger;
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srslog::basic_logger& drb_logger;
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srslog::basic_logger& ss_mac_logger;
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srslog::basic_logger& ss_rlc_logger;
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srslog::basic_logger& ss_pdcp_logger;
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// SYS interface
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ttcn3_ut_interface ut;
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ttcn3_sys_interface sys;
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ttcn3_ip_sock_interface ip_sock;
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ttcn3_ip_ctrl_interface ip_ctrl;
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ttcn3_srb_interface srb;
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ttcn3_drb_interface drb;
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// Epoll
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int epoll_fd = -1;
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int signal_fd = -1; ///< FD for signals
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std::map<uint32_t, epoll_handler*> event_handler; ///< Lookup table for handler
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epoll_timer_handler timer_handler;
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epoll_signal_handler signal_handler;
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// Logging stuff (to be removed)
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srslte::logger& logger_stdout;
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srslte::logger& logger_file;
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srslte::logger* old_logger = nullptr;
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srslte::log_ref log;
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srslte::log_ref ss_mac_log{"SS-MAC"};
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srslte::log_ref ss_rlc_log{"SS-RLC"};
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srslte::log_ref ss_pdcp_log{"SS-PDCP"};
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all_args_t args = {};
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// Simulator vars
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ttcn3_ue* ue = nullptr;
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bool running = false;
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typedef enum { UE_SWITCH_ON = 0, UE_SWITCH_OFF, ENABLE_DATA, DISABLE_DATA } ss_events_t;
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block_queue<ss_events_t> event_queue;
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uint32_t run_id = 0;
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int32_t tti = 0;
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int32_t prach_tti = -1;
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int32_t rar_tti = -1;
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int32_t msg3_tti = -1;
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int32_t sr_tti = -1;
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uint32_t prach_preamble_index = 0;
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uint16_t dl_rnti = 0;
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int force_lcid = -1;
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srsue::stack_test_dummy stack;
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bool last_dl_ndi[SRSLTE_FDD_NOF_HARQ] = {};
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bool last_ul_ndi[SRSLTE_FDD_NOF_HARQ] = {};
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// For events/actions that need to be carried out in a specific TTI
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typedef std::queue<move_task_t> task_queue_t;
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typedef std::map<const uint32_t, task_queue_t> tti_action_map_t;
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tti_action_map_t tti_actions;
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// Map between the cellId (name) used by 3GPP test suite and srsLTE cell struct
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class syssim_cell_t
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{
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public:
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syssim_cell_t(ttcn3_syssim* ss) :
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rlc(ss->ss_rlc_log->get_service_name().c_str()),
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pdcp(&ss->stack.task_sched, ss->ss_pdcp_log->get_service_name().c_str())
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{}
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cell_config_t config;
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std::vector<unique_byte_buffer_t> sibs;
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int sib_idx = 0; ///< Index of SIB scheduled for next transmission
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// Simulator objects
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srslte::rlc rlc;
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srslte::pdcp pdcp;
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std::map<uint32_t, bool> bearer_follow_on_map; ///< Indicates if for a given LCID the follow_on_flag is set or not
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// security config
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ttcn3_helpers::pdcp_count_map_t pending_bearer_config; ///< List of bearers with pending security configuration
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srslte::as_security_config_t sec_cfg;
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};
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typedef std::unique_ptr<syssim_cell_t> unique_syssim_cell_t;
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std::vector<unique_syssim_cell_t> cells;
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int32_t pcell_idx = -1;
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// Internal function
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void update_cell_map();
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bool syssim_has_cell(std::string cell_name);
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syssim_cell_t* get_cell(const std::string cell_name);
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bool have_valid_pcell();
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srslte::pdu_queue pdus;
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srslte::sch_pdu mac_msg_dl, mac_msg_ul;
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// buffer for DL transmissions
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srslte::byte_buffer_t rar_buffer;
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srslte::byte_buffer_t tx_payload_buffer; // Used to buffer final MAC PDU
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uint64_t conres_id = 0;
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std::vector<std::string> rb_id_vec =
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{"SRB0", "SRB1", "SRB2", "DRB1", "DRB2", "DRB3", "DRB4", "DRB5", "DRB6", "DRB7", "DRB8"};
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// port constants
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const std::string listen_address = "0.0.0.0";
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const uint32_t UT_PORT = 2222;
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const uint32_t SYS_PORT = 2223;
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const uint32_t IPSOCK_PORT = 2224;
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const uint32_t IPCTRL_PORT = 2225;
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const uint32_t SRB_PORT = 2226;
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const uint32_t DRB_PORT = 2227;
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};
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#endif // SRSUE_TTCN3_SYSSIM_H
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