srsLTE/lib/test/upper/pdcp_nr_test_discard_sdu.cc

115 lines
3.3 KiB
C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#include "pdcp_nr_test.h"
#include <numeric>
/*
* Genric function to test transmission of in-sequence packets
*/
int test_tx_sdu_discard(const pdcp_initial_state& init_state,
srsran::pdcp_discard_timer_t discard_timeout,
bool imediate_notify,
srslog::basic_logger& logger)
{
srsran::pdcp_config_t cfg = {1,
srsran::PDCP_RB_IS_DRB,
srsran::SECURITY_DIRECTION_UPLINK,
srsran::SECURITY_DIRECTION_DOWNLINK,
srsran::PDCP_SN_LEN_12,
srsran::pdcp_t_reordering_t::ms500,
discard_timeout,
false};
pdcp_nr_test_helper pdcp_hlp(cfg, sec_cfg, logger);
srsran::pdcp_entity_nr* pdcp = &pdcp_hlp.pdcp;
rlc_dummy* rlc = &pdcp_hlp.rlc;
srsue::stack_test_dummy* stack = &pdcp_hlp.stack;
pdcp_hlp.set_pdcp_initial_state(init_state);
// Test SDU
srsran::unique_byte_buffer_t sdu = srsran::make_byte_buffer();
sdu->append_bytes(sdu1, sizeof(sdu1));
pdcp->write_sdu(std::move(sdu));
for (uint32_t i = 0; i < static_cast<uint32_t>(cfg.discard_timer) - 1; ++i) {
stack->run_tti();
}
TESTASSERT(rlc->discard_count == 0);
// Check if timers were started
if (imediate_notify) {
TESTASSERT(pdcp->nof_discard_timers() == 0); // RLC notified PDCP already, timer should have been disarmed
} else {
TESTASSERT(pdcp->nof_discard_timers() == 1); // One timer should be running
}
// Last timer step
stack->run_tti();
// Check if RLC was notified of SDU discard
if (imediate_notify) {
TESTASSERT(rlc->discard_count == 0); // RLC imediatly notified the PDCP of tx, there should be no timeouts
} else {
TESTASSERT(rlc->discard_count == 1); // RLC does not notify the the PDCP of tx, there should be a timeout
}
// Make sure there are no timers still left on the map
TESTASSERT(pdcp->nof_discard_timers() == 0);
return 0;
}
/*
* TX Test: PDCP Entity with SN LEN = 12 and 18.
* PDCP entity configured with EIA2 and EEA2
*/
int test_tx_discard_all(srslog::basic_logger& logger)
{
/*
* TX Test 1: PDCP Entity with SN LEN = 12
* Test TX PDU discard.
*/
TESTASSERT(test_tx_sdu_discard(normal_init_state, srsran::pdcp_discard_timer_t::ms50, false, logger) == 0);
/*
* TX Test 2: PDCP Entity with SN LEN = 12
* Test TX PDU discard.
*/
// TESTASSERT(test_tx_sdu_discard(normal_init_state, srsran::pdcp_discard_timer_t::ms50, true, logger) == 0);
return 0;
}
// Setup all tests
int run_all_tests()
{
// Setup log
auto& logger = srslog::fetch_basic_logger("PDCP NR Test", false);
logger.set_level(srslog::basic_levels::debug);
logger.set_hex_dump_max_size(128);
TESTASSERT(test_tx_discard_all(logger) == 0);
return 0;
}
int main()
{
srslog::init();
if (run_all_tests() != SRSRAN_SUCCESS) {
fprintf(stderr, "pdcp_nr_tests() failed\n");
return SRSRAN_ERROR;
}
return SRSRAN_SUCCESS;
}