mirror of https://github.com/pvnis/srsRAN_4G.git
srsue: Refactor definition to live in its own .cc file
Daniel Willmann
5 years ago
committed by
Andre Puschmann
parent
8f4f37e89b
commit
0e99e2f6eb
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/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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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* srsLTE 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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#include "srsue/test/ttcn3/hdr/ttcn3_ue.h"
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#include "lte_ttcn3_phy.h"
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#include "srsue/hdr/stack/ue_stack_lte.h"
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#include <sstream>
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extern "C" {
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SRSLTE_API char* srslte_get_build_info();
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SRSLTE_API char* srslte_get_build_mode();
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}
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ttcn3_ue::ttcn3_ue() : tft_matcher(&log) {}
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int ttcn3_ue::init(all_args_t args, srslte::logger* logger_, syssim_interface_phy* syssim_, const std::string tc_name_)
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{
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logger = logger_;
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// Init UE log
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log.init("UE ", logger);
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log.set_level(srslte::LOG_LEVEL_INFO);
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log.info("Built in %s mode using %s.\n", srslte_get_build_mode(), srslte_get_build_info());
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// Patch args
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args.stack.nas.force_imsi_attach = true;
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args.stack.nas.eia = "1,2,3";
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args.stack.nas.eea = "0,1,2,3";
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// Configure default parameters
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args.stack.usim.algo = "xor";
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args.stack.usim.imei = "356092040793011";
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args.stack.usim.imsi = "001010123456789"; // Anritsu test USIM
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args.stack.usim.k = "000102030405060708090A0B0C0D0E0F"; // fixed as per TS 34.108 Sec. 8.2
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args.stack.rrc.feature_group = 0xe6041000;
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args.stack.rrc.ue_category_str = SRSLTE_UE_CATEGORY_DEFAULT;
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args.stack.rrc.ue_category = strtol(args.stack.rrc.ue_category_str.c_str(), nullptr, 10);
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args.stack.rrc.nof_supported_bands = 1;
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args.stack.rrc.supported_bands[0] = 7;
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args.stack.rrc.release = 8;
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args.stack.rrc.mbms_service_id = -1;
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args.phy.dl_earfcn = "3400";
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args.rf.type = "none";
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args.stack.type = "lte";
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args.phy.type = "lte_ttcn3";
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// Instantiate layers and stack together our UE
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if (args.stack.type == "lte") {
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stack = std::unique_ptr<ue_stack_lte>(new ue_stack_lte());
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if (!stack) {
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log.console("Error creating LTE stack instance.\n");
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return SRSLTE_ERROR;
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}
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phy = std::unique_ptr<srsue::lte_ttcn3_phy>(new srsue::lte_ttcn3_phy(logger));
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if (!phy) {
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log.console("Error creating LTE PHY instance.\n");
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return SRSLTE_ERROR;
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}
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} else {
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log.console("Invalid stack type %s. Supported values are [lte].\n", args.stack.type.c_str());
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return SRSLTE_ERROR;
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}
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// init layers
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if (phy->init(args.phy, stack.get(), syssim_)) {
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log.console("Error initializing PHY.\n");
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return SRSLTE_ERROR;
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}
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if (stack->init(args.stack, logger, phy.get(), this)) {
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log.console("Error initializing stack.\n");
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return SRSLTE_ERROR;
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}
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return SRSLTE_SUCCESS;
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}
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void ttcn3_ue::stop()
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{
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if (stack) {
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stack->stop();
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}
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if (phy) {
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phy->stop();
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}
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}
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bool ttcn3_ue::switch_on()
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{
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return stack->switch_on();
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}
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bool ttcn3_ue::switch_off()
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{
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return stack->switch_off();
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}
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bool ttcn3_ue::enable_data()
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{
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return stack->enable_data();
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}
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bool ttcn3_ue::disable_data()
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{
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return stack->disable_data();
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}
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// The interface for SYSSIM
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void ttcn3_ue::set_cell_map(lte_ttcn3_phy::cell_list_t phy_cell_map)
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{
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phy->set_cell_map(phy_cell_map);
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}
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void ttcn3_ue::new_grant_ul(const srsue::mac_interface_phy_lte::mac_grant_ul_t grant)
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{
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phy->new_grant_ul(grant);
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}
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void ttcn3_ue::new_tb(const srsue::mac_interface_phy_lte::mac_grant_dl_t mac_grant, const uint8_t* data)
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{
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phy->new_tb(mac_grant, data);
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}
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void ttcn3_ue::set_current_tti(uint32_t tti)
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{
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phy->set_current_tti(tti);
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}
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uint16_t ttcn3_ue::get_dl_sched_rnti(uint32_t tti)
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{
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return stack->get_dl_sched_rnti(tti);
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}
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// GW interface
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void ttcn3_ue::add_mch_port(uint32_t lcid, uint32_t port) {}
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void ttcn3_ue::write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu)
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{
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log.debug_hex(pdu->msg, pdu->N_bytes, "Rx PDU (%d B) on lcid=%d\n", pdu->N_bytes, lcid);
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switch (test_loop_mode) {
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case TEST_LOOP_INACTIVE:
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log.warning("Test loop inactive. Dropping PDU.\n");
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break;
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case TEST_LOOP_MODE_A_ACTIVE:
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log.error("Test loop mode A not implemented. Dropping PDU.\n");
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break;
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case TEST_LOOP_MODE_B_ACTIVE:
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// Section 5.4.4 in TS 36.509
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if (pdu_delay_timer.is_running()) {
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pdu_queue[lcid].push(std::move(pdu));
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} else {
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if (pdu_delay_timer.is_valid()) {
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pdu_queue[lcid].push(std::move(pdu));
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pdu_delay_timer.run(); // timer is already set
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} else {
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loop_back_pdu_with_tft(lcid, std::move(pdu));
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}
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}
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break;
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case TEST_LOOP_MODE_C_ACTIVE:
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log.error("Test loop mode C not implemented. Dropping PDU.\n");
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break;
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}
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}
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void ttcn3_ue::write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t pdu) {}
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int ttcn3_ue::setup_if_addr(uint32_t lcid, uint8_t pdn_type, uint32_t ip_addr, uint8_t* ipv6_if_id, char* err_str)
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{
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return 0;
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}
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int ttcn3_ue::apply_traffic_flow_template(const uint8_t& eps_bearer_id,
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const uint8_t& lcid,
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const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft)
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{
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return tft_matcher.apply_traffic_flow_template(eps_bearer_id, lcid, tft);
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}
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void ttcn3_ue::set_test_loop_mode(const test_loop_mode_state_t mode, const uint32_t ip_pdu_delay_ms_)
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{
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test_loop_mode = mode;
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switch (test_loop_mode) {
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case TEST_LOOP_INACTIVE:
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// deactivate timer
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log.info("Deactivating Test Loop Mode\n");
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pdu_delay_timer.release();
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break;
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case TEST_LOOP_MODE_A_ACTIVE:
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log.error("Test loop mode A not implemented\n");
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break;
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case TEST_LOOP_MODE_B_ACTIVE:
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log.info("Activating Test loop mode B with %d ms PDU delay\n", ip_pdu_delay_ms_);
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// only create timer if needed
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if (ip_pdu_delay_ms_ > 0) {
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pdu_delay_timer = stack->get_unique_timer();
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pdu_delay_timer.set(ip_pdu_delay_ms_, [this](uint32_t tid) { timer_expired(tid); });
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}
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break;
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case TEST_LOOP_MODE_C_ACTIVE:
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log.error("Test loop mode A not implemented\n");
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break;
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}
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}
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void ttcn3_ue::timer_expired(uint32_t timeout_id)
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{
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if (timeout_id == pdu_delay_timer.id()) {
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log.info("Testmode B PDU delay timer expired\n");
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for (auto& bearer_pdu_queue : pdu_queue) {
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log.info("Delivering %zd buffered PDUs for LCID=%d\n", bearer_pdu_queue.second.size(), bearer_pdu_queue.first);
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while (not pdu_queue.empty()) {
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srslte::unique_byte_buffer_t pdu;
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bearer_pdu_queue.second.try_pop(&pdu);
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loop_back_pdu_with_tft(bearer_pdu_queue.first, std::move(pdu));
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}
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}
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}
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}
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void ttcn3_ue::loop_back_pdu_with_tft(uint32_t input_lcid, srslte::unique_byte_buffer_t pdu)
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{
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uint8_t output_lcid = tft_matcher.check_tft_filter_match(pdu);
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log.info_hex(pdu->msg,
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pdu->N_bytes,
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"Rx PDU (%d B) on lcid=%d, looping back to lcid=%d\n",
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pdu->N_bytes,
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input_lcid,
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output_lcid);
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stack->write_sdu(input_lcid, std::move(pdu), false);
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}
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