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392 lines
17 KiB
C++
392 lines
17 KiB
C++
/*
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* Copyright 2013-2019 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 "srsenb/hdr/enb.h"
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#include "srsenb/hdr/stack/rrc/rrc_mobility.h"
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#include "srsenb/src/enb_cfg_parser.h"
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#include "srsenb/test/common/dummy_classes.h"
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#include "srslte/asn1/rrc_asn1_utils.h"
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#include "srslte/common/test_common.h"
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#include "test_helpers.h"
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#include <iostream>
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#include <srslte/common/log_filter.h>
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meas_cell_cfg_t generate_cell1()
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{
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meas_cell_cfg_t cell1{};
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cell1.earfcn = 3400;
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cell1.pci = 1;
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cell1.q_offset = 0;
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cell1.eci = 0x19C01;
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return cell1;
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}
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report_cfg_eutra_s generate_rep1()
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{
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report_cfg_eutra_s rep{};
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rep.report_amount.value = report_cfg_eutra_s::report_amount_opts::r16;
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rep.report_interv.value = report_interv_opts::ms240;
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rep.max_report_cells = 2;
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rep.report_quant.value = report_cfg_eutra_s::report_quant_opts::both;
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rep.trigger_quant.value = report_cfg_eutra_s::trigger_quant_opts::rsrp;
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rep.trigger_type.set_event().event_id.set_event_a3();
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rep.trigger_type.event().time_to_trigger.value = time_to_trigger_opts::ms100;
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rep.trigger_type.event().hysteresis = 0;
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rep.trigger_type.event().event_id.event_a3().a3_offset = 5;
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rep.trigger_type.event().event_id.event_a3().report_on_leave = true;
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return rep;
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}
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bool is_cell_cfg_equal(const meas_cell_cfg_t& cfg, const cells_to_add_mod_s& cell)
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{
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return cfg.pci == cell.pci and cell.cell_individual_offset.to_number() == (int8_t)round(cfg.q_offset) and
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cell.cell_idx == (cfg.eci & 0xFFu);
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}
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int test_correct_insertion()
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{
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meas_cell_cfg_t cell1 = generate_cell1(), cell2{}, cell3{}, cell4{};
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cell2 = cell1;
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cell2.pci = 2;
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cell2.eci = 0x19C02;
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cell3 = cell1;
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cell3.earfcn = 2850;
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cell4 = cell1;
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cell4.q_offset = 1;
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report_cfg_eutra_s rep1 = generate_rep1();
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// TEST 1: cell/rep insertion in empty varMeasCfg
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{
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var_meas_cfg_t var_cfg(&log_h);
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auto ret = var_cfg.add_cell_cfg(cell1);
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TESTASSERT(std::get<0>(ret) and std::get<1>(ret) != nullptr);
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const auto& objs = var_cfg.meas_objs();
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TESTASSERT(objs.size() == 1 and objs[0].meas_obj_id == 1);
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TESTASSERT(objs[0].meas_obj.type().value ==
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asn1::rrc::meas_obj_to_add_mod_s::meas_obj_c_::types_opts::meas_obj_eutra);
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auto& eutra = objs[0].meas_obj.meas_obj_eutra();
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TESTASSERT(eutra.carrier_freq == cell1.earfcn);
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TESTASSERT(eutra.cells_to_add_mod_list.size() == 1);
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TESTASSERT(is_cell_cfg_equal(cell1, eutra.cells_to_add_mod_list[0]));
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auto ret2 = var_cfg.add_report_cfg(rep1);
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TESTASSERT(ret2->report_cfg_id == 1);
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TESTASSERT(ret2->report_cfg.report_cfg_eutra() == rep1);
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}
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{
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var_meas_cfg_t var_cfg(&log_h);
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const auto& objs = var_cfg.meas_objs();
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// TEST 2: insertion of out-of-order cell ids in same earfcn
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var_cfg.add_cell_cfg(cell2);
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var_cfg.add_cell_cfg(cell1);
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TESTASSERT(objs.size() == 1 and objs[0].meas_obj_id == 1);
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auto& eutra = objs[0].meas_obj.meas_obj_eutra();
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TESTASSERT(eutra.carrier_freq == cell1.earfcn);
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TESTASSERT(eutra.cells_to_add_mod_list.size() == 2);
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const cells_to_add_mod_s* cell_it = eutra.cells_to_add_mod_list.begin();
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TESTASSERT(cell_it[0].cell_idx == (cell1.eci & 0xFFu));
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TESTASSERT(cell_it[1].cell_idx == (cell2.eci & 0xFFu));
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TESTASSERT(cell_it[1].pci == cell2.pci);
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// TEST 3: insertion of cell in another frequency
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auto ret1 = var_cfg.add_cell_cfg(cell3);
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TESTASSERT(std::get<0>(ret1) and std::get<1>(ret1)->meas_obj_id == 2);
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TESTASSERT(objs.size() == 2 and objs[1].meas_obj_id == 2);
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const auto& eutra2 = objs[1].meas_obj.meas_obj_eutra();
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TESTASSERT(eutra2.carrier_freq == cell3.earfcn);
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TESTASSERT(eutra2.cells_to_add_mod_list.size() == 1);
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// TEST 4: update of existing cell
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auto ret2 = var_cfg.add_cell_cfg(cell4);
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TESTASSERT(std::get<0>(ret2) and std::get<1>(ret2)->meas_obj_id == 1);
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auto& eutra3 = objs[0].meas_obj.meas_obj_eutra();
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TESTASSERT(objs.size() == 2 and objs[0].meas_obj_id == 1);
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TESTASSERT(eutra3.carrier_freq == cell4.earfcn);
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TESTASSERT(eutra3.cells_to_add_mod_list.size() == 2);
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TESTASSERT(eutra3.cells_to_add_mod_list[0].cell_idx == (cell1.eci & 0xFFu));
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TESTASSERT(eutra3.cells_to_add_mod_list[0].cell_individual_offset.to_number() == 1);
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}
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return 0;
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}
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int test_correct_meascfg_calculation()
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{
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srslte::scoped_tester_log log_test("MEASCFG_CALC");
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var_meas_cfg_t src_var(&log_h), target_var(&log_h);
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meas_cell_cfg_t cell1{}, cell2{};
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cell1.earfcn = 3400;
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cell1.pci = 1;
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cell1.q_offset = 0;
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cell1.eci = 0x19C01;
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cell2 = cell1;
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cell2.pci = 2;
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cell2.eci = 0x19C02;
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report_cfg_eutra_s rep1 = generate_rep1(), rep2{}, rep3{};
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rep2 = rep1;
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rep2.trigger_quant.value = report_cfg_eutra_s::trigger_quant_opts::rsrq;
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rep3 = rep2;
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rep3.report_quant.value = report_cfg_eutra_s::report_quant_opts::same_as_trigger_quant;
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{
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meas_cfg_s result_meascfg;
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// TEST: Insertion of two cells in var_meas propagates to the resulting meas_cfg_s cellsToAddMod list
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target_var.add_cell_cfg(cell1);
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target_var.add_cell_cfg(cell2);
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target_var.add_report_cfg(rep1);
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target_var.add_report_cfg(rep2);
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target_var.add_measid_cfg(1, 1);
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target_var.add_measid_cfg(1, 2);
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src_var.compute_diff_meas_cfg(target_var, &result_meascfg);
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TESTASSERT(result_meascfg.meas_obj_to_add_mod_list_present);
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TESTASSERT(not result_meascfg.meas_obj_to_rem_list_present);
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TESTASSERT(result_meascfg.meas_obj_to_add_mod_list.size() == 1);
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auto* item = &result_meascfg.meas_obj_to_add_mod_list[0];
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TESTASSERT(item->meas_obj_id == 1 and
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item->meas_obj.type().value == meas_obj_to_add_mod_s::meas_obj_c_::types_opts::meas_obj_eutra);
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auto& eutra = item->meas_obj.meas_obj_eutra();
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TESTASSERT(eutra.cells_to_add_mod_list_present and not eutra.cells_to_rem_list_present);
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TESTASSERT(eutra.cells_to_add_mod_list.size() == 2);
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auto* cell_item = &eutra.cells_to_add_mod_list[0];
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TESTASSERT(is_cell_cfg_equal(cell1, *cell_item));
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cell_item++;
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TESTASSERT(is_cell_cfg_equal(cell2, *cell_item));
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list_present and not result_meascfg.report_cfg_to_rem_list_present);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list.size() == 2);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list[0].report_cfg_id == 1);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list[0].report_cfg.report_cfg_eutra() == rep1);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list[1].report_cfg_id == 2);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list[1].report_cfg.report_cfg_eutra() == rep2);
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TESTASSERT(result_meascfg.meas_id_to_add_mod_list_present and not result_meascfg.meas_id_to_rem_list_present);
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TESTASSERT(result_meascfg.meas_id_to_add_mod_list.size() == 2);
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auto* measid_item = &result_meascfg.meas_id_to_add_mod_list[0];
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TESTASSERT(measid_item->meas_id == 1 and measid_item->meas_obj_id == 1 and measid_item->report_cfg_id == 1);
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measid_item++;
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TESTASSERT(measid_item->meas_id == 2 and measid_item->meas_obj_id == 1 and measid_item->report_cfg_id == 2);
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// TEST: if measCfg is empty if nothing was updated
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src_var = target_var;
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src_var.compute_diff_meas_cfg(target_var, &result_meascfg);
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TESTASSERT(not result_meascfg.meas_obj_to_add_mod_list_present);
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TESTASSERT(result_meascfg.meas_obj_to_add_mod_list.size() == 0);
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TESTASSERT(not result_meascfg.report_cfg_to_rem_list_present);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list.size() == 0);
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// TEST: Cell is added to cellsToAddModList if just a field was updated
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cell1.pci = 3;
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src_var = target_var;
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target_var.add_cell_cfg(cell1);
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src_var.compute_diff_meas_cfg(target_var, &result_meascfg);
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TESTASSERT(result_meascfg.meas_obj_to_add_mod_list_present);
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TESTASSERT(result_meascfg.meas_obj_to_add_mod_list.size() == 1);
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item = &result_meascfg.meas_obj_to_add_mod_list[0];
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TESTASSERT(item->meas_obj_id == 1 and
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item->meas_obj.type().value == meas_obj_to_add_mod_s::meas_obj_c_::types_opts::meas_obj_eutra);
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eutra = item->meas_obj.meas_obj_eutra();
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TESTASSERT(eutra.cells_to_add_mod_list_present and not eutra.cells_to_rem_list_present);
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TESTASSERT(eutra.cells_to_add_mod_list.size() == 1);
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cell_item = &eutra.cells_to_add_mod_list[0];
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TESTASSERT(is_cell_cfg_equal(cell1, *cell_item));
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// TEST: Removal of cell/rep from target propagates to the resulting meas_cfg_s
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src_var = target_var;
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target_var = var_meas_cfg_t{&log_h};
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target_var.add_cell_cfg(cell2);
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target_var.add_report_cfg(rep1);
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target_var.add_report_cfg(rep3);
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src_var.compute_diff_meas_cfg(target_var, &result_meascfg);
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TESTASSERT(result_meascfg.meas_obj_to_add_mod_list_present);
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TESTASSERT(result_meascfg.meas_obj_to_add_mod_list.size() == 1);
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item = &result_meascfg.meas_obj_to_add_mod_list[0];
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TESTASSERT(item->meas_obj_id == 1 and
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item->meas_obj.type().value == meas_obj_to_add_mod_s::meas_obj_c_::types_opts::meas_obj_eutra);
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eutra = item->meas_obj.meas_obj_eutra();
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TESTASSERT(not eutra.cells_to_add_mod_list_present and eutra.cells_to_rem_list_present);
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TESTASSERT(eutra.cells_to_rem_list.size() == 1);
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TESTASSERT(eutra.cells_to_rem_list[0] == (cell1.eci & 0xFFu));
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list_present and not result_meascfg.report_cfg_to_rem_list_present);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list.size() == 1);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list[0].report_cfg_id == 2);
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TESTASSERT(result_meascfg.report_cfg_to_add_mod_list[0].report_cfg.report_cfg_eutra() == rep3);
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}
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return SRSLTE_SUCCESS;
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}
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namespace test_helpers {
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int parse_default_cfg(rrc_cfg_t* rrc_cfg, srsenb::all_args_t& args);
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void copy_msg_to_buffer(srslte::unique_byte_buffer_t& pdu, uint8_t* msg, size_t nof_bytes);
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int bring_rrc_to_reconf_state(srsenb::rrc& rrc, srslte::timer_handler& timers, uint16_t rnti);
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} // namespace test_helpers
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struct mobility_test_params {
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enum class test_fail_at { success, wrong_measreport, concurrent_ho, ho_prep_failure } fail_at;
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const char* to_string()
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{
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switch (fail_at) {
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case test_fail_at::success:
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return "success";
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case test_fail_at::wrong_measreport:
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return "wrong measreport";
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case test_fail_at::concurrent_ho:
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return "measreport while in handover";
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case test_fail_at::ho_prep_failure:
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return "ho preparation failure";
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default:
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return "none";
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}
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}
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};
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int test_mobility_class(mobility_test_params test_params)
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{
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printf("\n===== TEST: test_mobility_class() for event \"%s\" =====\n", test_params.to_string());
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srslte::scoped_tester_log rrc_log("RRC ");
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srslte::timer_handler timers;
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srslte::unique_byte_buffer_t pdu;
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srsenb::all_args_t args;
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rrc_cfg_t cfg;
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TESTASSERT(test_helpers::parse_default_cfg(&cfg, args) == SRSLTE_SUCCESS);
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report_cfg_eutra_s rep = generate_rep1();
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cfg.meas_cfg.meas_reports.push_back(rep);
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meas_cell_cfg_t cell2 = generate_cell1();
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cell2.pci = 2;
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cell2.eci = 0x19C02;
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cfg.meas_cfg.meas_cells.push_back(cell2);
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srsenb::rrc rrc;
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mac_dummy mac;
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rlc_dummy rlc;
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test_dummies::pdcp_mobility_dummy pdcp;
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phy_dummy phy;
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test_dummies::s1ap_mobility_dummy s1ap;
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gtpu_dummy gtpu;
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rrc_log.set_level(srslte::LOG_LEVEL_INFO);
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rrc_log.set_hex_limit(1024);
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rrc.init(&cfg, &phy, &mac, &rlc, &pdcp, &s1ap, >pu, &timers, &rrc_log);
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auto tic = [&timers, &rrc] {
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timers.step_all();
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rrc.tti_clock();
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};
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uint16_t rnti = 0x46;
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rrc.add_user(rnti);
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rrc_log.set_level(srslte::LOG_LEVEL_NONE); // mute all the startup log
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// Do all the handshaking until the first RRC Connection Reconf
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test_helpers::bring_rrc_to_reconf_state(rrc, timers, rnti);
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rrc_log.set_level(srslte::LOG_LEVEL_INFO);
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/* Receive MeasReport from UE (correct if PCI=2) */
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if (test_params.fail_at == mobility_test_params::test_fail_at::wrong_measreport) {
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uint8_t meas_report[] = {0x08, 0x10, 0x38, 0x74, 0x00, 0x0D, 0xBC, 0x80}; // PCI == 3
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test_helpers::copy_msg_to_buffer(pdu, meas_report, sizeof(meas_report));
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} else {
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uint8_t meas_report[] = {0x08, 0x10, 0x38, 0x74, 0x00, 0x09, 0xBC, 0x80}; // PCI == 2
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test_helpers::copy_msg_to_buffer(pdu, meas_report, sizeof(meas_report));
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}
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rrc.write_pdu(rnti, 1, std::move(pdu));
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tic();
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/* Test Case: the MeasReport is not valid */
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if (test_params.fail_at == mobility_test_params::test_fail_at::wrong_measreport) {
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TESTASSERT(s1ap.last_ho_required.rrc_container == nullptr);
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TESTASSERT(rrc_log.error_counter == 1);
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return SRSLTE_SUCCESS;
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}
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/* Test Case: Multiple concurrent MeasReports arrived. Only one HO procedure should be running */
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if (test_params.fail_at == mobility_test_params::test_fail_at::concurrent_ho) {
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s1ap.last_ho_required = {};
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uint8_t meas_report[] = {0x08, 0x10, 0x38, 0x74, 0x00, 0x09, 0xBC, 0x80}; // PCI == 2
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test_helpers::copy_msg_to_buffer(pdu, meas_report, sizeof(meas_report));
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rrc.write_pdu(rnti, 1, std::move(pdu));
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tic();
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TESTASSERT(s1ap.last_ho_required.rrc_container == nullptr);
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TESTASSERT(rrc_log.error_counter == 1);
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return SRSLTE_SUCCESS;
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}
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/* Check HO Required was sent to S1AP */
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TESTASSERT(s1ap.last_ho_required.rnti == rnti);
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TESTASSERT(s1ap.last_ho_required.target_eci == cell2.eci);
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TESTASSERT(s1ap.last_ho_required.target_plmn.to_string() == "00101");
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{
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asn1::bit_ref bref(s1ap.last_ho_required.rrc_container->msg, s1ap.last_ho_required.rrc_container->N_bytes);
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asn1::rrc::ho_prep_info_s hoprep;
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TESTASSERT(hoprep.unpack(bref) == asn1::SRSASN_SUCCESS);
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ho_prep_info_r8_ies_s& hoprepr8 = hoprep.crit_exts.c1().ho_prep_info_r8();
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TESTASSERT(hoprepr8.as_cfg_present);
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// Check if RRC sends the current active bearers
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TESTASSERT(hoprepr8.as_cfg.source_rr_cfg.drb_to_add_mod_list_present);
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TESTASSERT(hoprepr8.as_cfg.source_rr_cfg.drb_to_add_mod_list[0].drb_id == 1);
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}
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/* Test Case: HandoverPreparation has failed */
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if (test_params.fail_at == mobility_test_params::test_fail_at::ho_prep_failure) {
|
|
rrc.ho_preparation_complete(rnti, false, nullptr);
|
|
TESTASSERT(rrc_log.error_counter == 1);
|
|
return SRSLTE_SUCCESS;
|
|
}
|
|
|
|
/* MME returns back an HandoverCommand, S1AP unwraps the RRC container */
|
|
uint8_t ho_cmd_rrc_container[] = {0x01, 0xa9, 0x00, 0xd9, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x22, 0x04, 0x00, 0x00,
|
|
0x01, 0x48, 0x04, 0xbc, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x02, 0xa0, 0x07, 0xa0,
|
|
0x10, 0x00, 0x01, 0x00, 0x05, 0x00, 0xa7, 0xd0, 0xc1, 0xf6, 0xaf, 0x3e, 0x12, 0xcc,
|
|
0x86, 0x0d, 0x30, 0x00, 0x0b, 0x5a, 0x02, 0x17, 0x86, 0x00, 0x05, 0xa0, 0x20};
|
|
test_helpers::copy_msg_to_buffer(pdu, ho_cmd_rrc_container, sizeof(ho_cmd_rrc_container));
|
|
rrc.ho_preparation_complete(rnti, true, std::move(pdu));
|
|
|
|
TESTASSERT(rrc_log.error_counter == 0);
|
|
return SRSLTE_SUCCESS;
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
log_h.set_level(srslte::LOG_LEVEL_INFO);
|
|
|
|
if (argc < 3) {
|
|
argparse::usage(argv[0]);
|
|
return -1;
|
|
}
|
|
argparse::parse_args(argc, argv);
|
|
TESTASSERT(test_correct_insertion() == 0);
|
|
TESTASSERT(test_correct_meascfg_calculation() == 0);
|
|
TESTASSERT(test_mobility_class(mobility_test_params{mobility_test_params::test_fail_at::wrong_measreport}) == 0);
|
|
TESTASSERT(test_mobility_class(mobility_test_params{mobility_test_params::test_fail_at::concurrent_ho}) == 0);
|
|
TESTASSERT(test_mobility_class(mobility_test_params{mobility_test_params::test_fail_at::ho_prep_failure}) == 0);
|
|
TESTASSERT(test_mobility_class(mobility_test_params{mobility_test_params::test_fail_at::success}) == 0);
|
|
|
|
printf("\nSuccess\n");
|
|
|
|
return 0;
|
|
} |