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315 lines
11 KiB
C++
315 lines
11 KiB
C++
/*
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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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#ifndef SRSENB_TEST_HELPERS_H
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#define SRSENB_TEST_HELPERS_H
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#include "srsenb/test/common/dummy_classes.h"
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#include "srslte/adt/span.h"
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#include "srslte/common/log_filter.h"
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using namespace srsenb;
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using namespace asn1::rrc;
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namespace argparse {
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std::string repository_dir;
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srslte::LOG_LEVEL_ENUM log_level;
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void usage(char* prog)
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{
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printf("Usage: %s [v] -i repository_dir\n", prog);
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printf("\t-v [set srslte_verbose to debug, default none]\n");
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}
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void parse_args(int argc, char** argv)
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{
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int opt;
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while ((opt = getopt(argc, argv, "i")) != -1) {
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switch (opt) {
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case 'i':
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repository_dir = argv[optind];
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break;
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case 'v':
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log_level = srslte::LOG_LEVEL_DEBUG;
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break;
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default:
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usage(argv[0]);
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exit(-1);
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}
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}
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if (repository_dir.empty()) {
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usage(argv[0]);
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exit(-1);
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}
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}
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} // namespace argparse
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namespace test_dummies {
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class s1ap_mobility_dummy : public s1ap_dummy
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{
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public:
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struct ho_req_data {
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uint16_t rnti;
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uint32_t target_eci;
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srslte::plmn_id_t target_plmn;
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srslte::unique_byte_buffer_t rrc_container;
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} last_ho_required = {};
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struct enb_status_transfer_info {
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bool status_present;
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uint16_t rnti;
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std::vector<bearer_status_info> bearer_list;
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} last_enb_status = {};
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std::vector<uint8_t> added_erab_ids;
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bool send_ho_required(uint16_t rnti,
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uint32_t target_eci,
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srslte::plmn_id_t target_plmn,
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srslte::unique_byte_buffer_t rrc_container) final
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{
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last_ho_required = ho_req_data{rnti, target_eci, target_plmn, std::move(rrc_container)};
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return true;
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}
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bool send_enb_status_transfer_proc(uint16_t rnti, std::vector<bearer_status_info>& bearer_status_list) override
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{
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last_enb_status = {true, rnti, bearer_status_list};
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return true;
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}
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void ue_erab_setup_complete(uint16_t rnti, const asn1::s1ap::erab_setup_resp_s& res) override
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{
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if (res.protocol_ies.erab_setup_list_bearer_su_res_present) {
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for (const auto& item : res.protocol_ies.erab_setup_list_bearer_su_res.value) {
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added_erab_ids.push_back(item.value.erab_setup_item_bearer_su_res().erab_id);
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}
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}
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}
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void user_mod(uint16_t old_rnti, uint16_t new_rnti) override {}
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};
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class pdcp_mobility_dummy : public pdcp_dummy
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{
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public:
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struct last_sdu_t {
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uint16_t rnti;
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uint32_t lcid;
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srslte::unique_byte_buffer_t sdu;
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} last_sdu;
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struct lcid_cfg_t {
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bool enable_integrity = false;
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bool enable_encryption = false;
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srslte::pdcp_lte_state_t state{};
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srslte::as_security_config_t sec_cfg{};
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};
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std::map<uint16_t, std::map<uint32_t, lcid_cfg_t> > bearers;
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void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu) override
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{
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last_sdu.rnti = rnti;
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last_sdu.lcid = lcid;
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last_sdu.sdu = std::move(sdu);
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}
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bool set_bearer_state(uint16_t rnti, uint32_t lcid, const srslte::pdcp_lte_state_t& state) override
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{
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bearers[rnti][lcid].state = state;
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return true;
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}
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void enable_integrity(uint16_t rnti, uint32_t lcid) override { bearers[rnti][lcid].enable_integrity = true; }
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void enable_encryption(uint16_t rnti, uint32_t lcid) override { bearers[rnti][lcid].enable_encryption = true; }
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void config_security(uint16_t rnti, uint32_t lcid, srslte::as_security_config_t sec_cfg_) override
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{
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bearers[rnti][lcid].sec_cfg = sec_cfg_;
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}
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};
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class rlc_mobility_dummy : public rlc_dummy
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{
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public:
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struct ue_ctxt {
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int nof_pdcp_sdus = 0, reest_sdu_counter = 0;
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uint32_t last_lcid = 0;
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srslte::unique_byte_buffer_t last_sdu;
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};
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std::map<uint16_t, ue_ctxt> ue_db;
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void test_reset_all()
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{
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for (auto& u : ue_db) {
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u.second = {};
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}
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}
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void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu) override
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{
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ue_db[rnti].nof_pdcp_sdus++;
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ue_db[rnti].reest_sdu_counter++;
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ue_db[rnti].last_lcid = lcid;
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ue_db[rnti].last_sdu = std::move(sdu);
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}
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void reestablish(uint16_t rnti) final { ue_db[rnti].reest_sdu_counter = 0; }
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};
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class mac_mobility_dummy : public mac_dummy
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{
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public:
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int ue_cfg(uint16_t rnti, sched_interface::ue_cfg_t* cfg) override
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{
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ue_db[rnti] = *cfg;
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return 0;
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}
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int ue_set_crnti(uint16_t temp_crnti, uint16_t crnti, sched_interface::ue_cfg_t* cfg) override
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{
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ue_db[crnti] = *cfg;
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return 0;
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}
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std::map<uint16_t, sched_interface::ue_cfg_t> ue_db;
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};
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class phy_mobility_dummy : public phy_dummy
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{
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public:
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void set_config(uint16_t rnti, const phy_rrc_cfg_list_t& dedicated_list) override { last_cfg = dedicated_list; }
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phy_rrc_cfg_list_t last_cfg;
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};
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} // namespace test_dummies
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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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{
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args = {};
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*rrc_cfg = {};
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args.enb_files.sib_config = argparse::repository_dir + "/sib.conf.example";
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args.enb_files.rr_config = argparse::repository_dir + "/rr.conf.example";
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args.enb_files.drb_config = argparse::repository_dir + "/drb.conf.example";
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srslte::logmap::get("TEST")->debug("sib file path=%s\n", args.enb_files.sib_config.c_str());
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args.enb.enb_id = 0x19B;
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args.enb.dl_earfcn = 3400;
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args.enb.n_prb = 50;
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TESTASSERT(srslte::string_to_mcc("001", &args.stack.s1ap.mcc));
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TESTASSERT(srslte::string_to_mnc("01", &args.stack.s1ap.mnc));
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args.enb.transmission_mode = 1;
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args.enb.nof_ports = 1;
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args.general.eia_pref_list = "EIA2, EIA1, EIA0";
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args.general.eea_pref_list = "EEA0, EEA2, EEA1";
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args.general.rrc_inactivity_timer = 60000;
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phy_cfg_t phy_cfg;
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return enb_conf_sections::parse_cfg_files(&args, rrc_cfg, &phy_cfg);
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}
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template <typename ASN1Type>
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bool unpack_asn1(ASN1Type& asn1obj, srslte::const_byte_span pdu)
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{
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asn1::cbit_ref bref{pdu.data(), (uint32_t)pdu.size()};
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if (asn1obj.unpack(bref) != asn1::SRSASN_SUCCESS) {
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srslte::logmap::get("TEST")->error("Failed to unpack ASN1 type\n");
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return false;
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}
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return true;
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}
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void copy_msg_to_buffer(srslte::unique_byte_buffer_t& pdu, srslte::const_byte_span msg)
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{
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srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
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pdu = srslte::allocate_unique_buffer(*pool, true);
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memcpy(pdu->msg, msg.data(), msg.size());
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pdu->N_bytes = msg.size();
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}
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int bring_rrc_to_reconf_state(srsenb::rrc& rrc, srslte::timer_handler& timers, uint16_t rnti)
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{
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srslte::unique_byte_buffer_t pdu;
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// Send RRCConnectionRequest
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uint8_t rrc_conn_request[] = {0x40, 0x12, 0xf6, 0xfb, 0xe2, 0xc6};
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copy_msg_to_buffer(pdu, rrc_conn_request);
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rrc.write_pdu(rnti, 0, std::move(pdu));
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timers.step_all();
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rrc.tti_clock();
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// Send RRCConnectionSetupComplete
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uint8_t rrc_conn_setup_complete[] = {0x20, 0x00, 0x40, 0x2e, 0x90, 0x50, 0x49, 0xe8, 0x06, 0x0e, 0x82, 0xa2,
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0x17, 0xec, 0x13, 0xe2, 0x0f, 0x00, 0x02, 0x02, 0x5e, 0xdf, 0x7c, 0x58,
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0x05, 0xc0, 0xc0, 0x00, 0x08, 0x04, 0x03, 0xa0, 0x23, 0x23, 0xc0};
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copy_msg_to_buffer(pdu, rrc_conn_setup_complete);
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rrc.write_pdu(rnti, 1, std::move(pdu));
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timers.step_all();
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rrc.tti_clock();
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// S1AP receives InitialContextSetupRequest and forwards it to RRC
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uint8_t s1ap_init_ctxt_setup_req[] = {
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0x00, 0x09, 0x00, 0x80, 0xc6, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x02, 0x00, 0x64, 0x00, 0x08, 0x00, 0x02, 0x00,
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0x01, 0x00, 0x42, 0x00, 0x0a, 0x18, 0x3b, 0x9a, 0xca, 0x00, 0x60, 0x3b, 0x9a, 0xca, 0x00, 0x00, 0x18, 0x00, 0x78,
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0x00, 0x00, 0x34, 0x00, 0x73, 0x45, 0x00, 0x09, 0x3c, 0x0f, 0x80, 0x0a, 0x00, 0x21, 0xf0, 0xb7, 0x36, 0x1c, 0x56,
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0x64, 0x27, 0x3e, 0x5b, 0x04, 0xb7, 0x02, 0x07, 0x42, 0x02, 0x3e, 0x06, 0x00, 0x09, 0xf1, 0x07, 0x00, 0x07, 0x00,
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0x37, 0x52, 0x66, 0xc1, 0x01, 0x09, 0x1b, 0x07, 0x74, 0x65, 0x73, 0x74, 0x31, 0x32, 0x33, 0x06, 0x6d, 0x6e, 0x63,
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0x30, 0x37, 0x30, 0x06, 0x6d, 0x63, 0x63, 0x39, 0x30, 0x31, 0x04, 0x67, 0x70, 0x72, 0x73, 0x05, 0x01, 0xc0, 0xa8,
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0x03, 0x02, 0x27, 0x0e, 0x80, 0x80, 0x21, 0x0a, 0x03, 0x00, 0x00, 0x0a, 0x81, 0x06, 0x08, 0x08, 0x08, 0x08, 0x50,
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0x0b, 0xf6, 0x09, 0xf1, 0x07, 0x80, 0x01, 0x01, 0xf6, 0x7e, 0x72, 0x69, 0x13, 0x09, 0xf1, 0x07, 0x00, 0x01, 0x23,
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0x05, 0xf4, 0xf6, 0x7e, 0x72, 0x69, 0x00, 0x6b, 0x00, 0x05, 0x18, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x49, 0x00, 0x20,
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0x45, 0x25, 0xe4, 0x9a, 0x77, 0xc8, 0xd5, 0xcf, 0x26, 0x33, 0x63, 0xeb, 0x5b, 0xb9, 0xc3, 0x43, 0x9b, 0x9e, 0xb3,
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0x86, 0x1f, 0xa8, 0xa7, 0xcf, 0x43, 0x54, 0x07, 0xae, 0x42, 0x2b, 0x63, 0xb9};
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asn1::s1ap::s1ap_pdu_c s1ap_pdu;
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srslte::byte_buffer_t byte_buf;
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byte_buf.N_bytes = sizeof(s1ap_init_ctxt_setup_req);
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memcpy(byte_buf.msg, s1ap_init_ctxt_setup_req, byte_buf.N_bytes);
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asn1::cbit_ref bref(byte_buf.msg, byte_buf.N_bytes);
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TESTASSERT(s1ap_pdu.unpack(bref) == asn1::SRSASN_SUCCESS);
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rrc.setup_ue_ctxt(rnti, s1ap_pdu.init_msg().value.init_context_setup_request());
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timers.step_all();
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rrc.tti_clock();
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// Send SecurityModeComplete
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uint8_t sec_mode_complete[] = {0x28, 0x00};
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copy_msg_to_buffer(pdu, sec_mode_complete);
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rrc.write_pdu(rnti, 1, std::move(pdu));
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timers.step_all();
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rrc.tti_clock();
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// send UE cap info
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uint8_t ue_cap_info[] = {0x38, 0x01, 0x01, 0x0c, 0x98, 0x00, 0x00, 0x18, 0x00, 0x0f,
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0x30, 0x20, 0x80, 0x00, 0x01, 0x00, 0x0e, 0x01, 0x00, 0x00};
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copy_msg_to_buffer(pdu, ue_cap_info);
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rrc.write_pdu(rnti, 1, std::move(pdu));
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timers.step_all();
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rrc.tti_clock();
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// RRCConnectionReconfiguration was sent. Send RRCConnectionReconfigurationComplete
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uint8_t rrc_conn_reconf_complete[] = {0x10, 0x00};
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copy_msg_to_buffer(pdu, rrc_conn_reconf_complete);
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rrc.write_pdu(rnti, 1, std::move(pdu));
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timers.step_all();
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rrc.tti_clock();
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return SRSLTE_SUCCESS;
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}
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} // namespace test_helpers
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#endif // SRSENB_TEST_HELPERS_H
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