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124 lines
3.9 KiB
C++
124 lines
3.9 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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#include "pdcp_nr_test.h"
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#include <numeric>
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/*
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* Genric function to test transmission of in-sequence packets
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*/
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int test_tx_sdu_discard(const pdcp_initial_state& init_state,
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srslte::pdcp_discard_timer_t discard_timeout,
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bool imediate_notify,
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srslte::byte_buffer_pool* pool,
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srslte::log* log)
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{
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srslte::pdcp_config_t cfg = {1,
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srslte::PDCP_RB_IS_DRB,
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srslte::SECURITY_DIRECTION_UPLINK,
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srslte::SECURITY_DIRECTION_DOWNLINK,
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srslte::PDCP_SN_LEN_12,
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srslte::pdcp_t_reordering_t::ms500,
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discard_timeout};
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pdcp_nr_test_helper pdcp_hlp(cfg, sec_cfg, log);
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srslte::pdcp_entity_nr* pdcp = &pdcp_hlp.pdcp;
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rlc_dummy* rlc = &pdcp_hlp.rlc;
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srslte::timer_handler* timers = &pdcp_hlp.timers;
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pdcp_hlp.set_pdcp_initial_state(init_state);
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// Test SDU
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srslte::unique_byte_buffer_t sdu = allocate_unique_buffer(*pool);
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sdu->append_bytes(sdu1, sizeof(sdu1));
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pdcp->write_sdu(std::move(sdu), true);
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for (uint32_t i = 0; i < static_cast<uint32_t>(cfg.discard_timer) - 1; ++i) {
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timers->step_all();
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}
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TESTASSERT(rlc->discard_count == 0);
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// Check if timers were started
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if (imediate_notify) {
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TESTASSERT(pdcp->nof_discard_timers() == 0); // RLC notified PDCP already, timer should have been disarmed
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} else {
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TESTASSERT(pdcp->nof_discard_timers() == 1); // One timer should be running
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}
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// Last timer step
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timers->step_all();
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// Check if RLC was notified of SDU discard
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if (imediate_notify) {
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TESTASSERT(rlc->discard_count == 0); // RLC imediatly notified the PDCP of tx, there should be no timeouts
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} else {
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TESTASSERT(rlc->discard_count == 1); // RLC does not notify the the PDCP of tx, there should be a timeout
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}
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// Make sure there are no timers still left on the map
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TESTASSERT(pdcp->nof_discard_timers() == 0);
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return 0;
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}
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/*
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* TX Test: PDCP Entity with SN LEN = 12 and 18.
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* PDCP entity configured with EIA2 and EEA2
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*/
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int test_tx_discard_all(srslte::byte_buffer_pool* pool, srslte::log* log)
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{
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/*
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* TX Test 1: PDCP Entity with SN LEN = 12
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* Test TX PDU discard.
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*/
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TESTASSERT(test_tx_sdu_discard(normal_init_state, srslte::pdcp_discard_timer_t::ms50, false, pool, log) == 0);
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/*
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* TX Test 2: PDCP Entity with SN LEN = 12
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* Test TX PDU discard.
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*/
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// TESTASSERT(test_tx_sdu_discard(normal_init_state, srslte::pdcp_discard_timer_t::ms50, true, pool, log) == 0);
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return 0;
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}
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// Setup all tests
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int run_all_tests(srslte::byte_buffer_pool* pool)
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{
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// Setup log
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srslte::log_filter log("PDCP NR Test");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(128);
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TESTASSERT(test_tx_discard_all(pool, &log) == 0);
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return 0;
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}
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int main()
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{
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if (run_all_tests(srslte::byte_buffer_pool::get_instance()) != SRSLTE_SUCCESS) {
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fprintf(stderr, "pdcp_nr_tests() failed\n");
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return SRSLTE_ERROR;
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}
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srslte::byte_buffer_pool::cleanup();
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return SRSLTE_SUCCESS;
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}
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