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srsRAN_4G/lib/test/rlc/rlc_am_nr_test.cc

134 lines
4.1 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 "rlc_test_common.h"
#include "srsran/common/buffer_pool.h"
#include "srsran/common/rlc_pcap.h"
#include "srsran/common/test_common.h"
#include "srsran/common/threads.h"
#include "srsran/interfaces/ue_pdcp_interfaces.h"
#include "srsran/interfaces/ue_rrc_interfaces.h"
#include "srsran/rlc/rlc_am_nr.h"
#define NBUFS 5
#define HAVE_PCAP 0
#define SDU_SIZE 500
using namespace srsue;
using namespace srsran;
int basic_test_tx(rlc_am* rlc, byte_buffer_t pdu_bufs[NBUFS])
{
// Push 5 SDUs into RLC1
unique_byte_buffer_t sdu_bufs[NBUFS];
for (int i = 0; i < NBUFS; i++) {
sdu_bufs[i] = srsran::make_byte_buffer();
sdu_bufs[i]->msg[0] = i; // Write the index into the buffer
sdu_bufs[i]->N_bytes = 1; // Give each buffer a size of 1 byte
sdu_bufs[i]->md.pdcp_sn = i; // PDCP SN for notifications
rlc->write_sdu(std::move(sdu_bufs[i]));
}
TESTASSERT(15 == rlc->get_buffer_state()); // 2 Bytes * NBUFFS (header size) + NBUFFS (data) = 15
// Read 5 PDUs from RLC1 (1 byte each)
for (int i = 0; i < NBUFS; i++) {
uint32_t len = rlc->read_pdu(pdu_bufs[i].msg, 3); // 2 bytes for header + 1 byte payload
pdu_bufs[i].N_bytes = len;
TESTASSERT(3 == len);
}
TESTASSERT(0 == rlc->get_buffer_state());
return SRSRAN_SUCCESS;
}
int basic_test()
{
rlc_am_tester tester;
timer_handler timers(8);
byte_buffer_t pdu_bufs[NBUFS];
rlc_am rlc1(srsran_rat_t::nr, srslog::fetch_basic_logger("RLC_AM_1"), 1, &tester, &tester, &timers);
rlc_am rlc2(srsran_rat_t::nr, srslog::fetch_basic_logger("RLC_AM_2"), 1, &tester, &tester, &timers);
// before configuring entity
TESTASSERT(0 == rlc1.get_buffer_state());
if (not rlc1.configure(rlc_config_t::default_rlc_am_nr_config())) {
return -1;
}
if (not rlc2.configure(rlc_config_t::default_rlc_am_nr_config())) {
return -1;
}
basic_test_tx(&rlc1, pdu_bufs);
// Write 5 PDUs into RLC2
for (int i = 0; i < NBUFS; i++) {
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
TESTASSERT(3 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
int len = rlc2.read_pdu(status_buf.msg, 3);
status_buf.N_bytes = len;
// TESTASSERT(0 == rlc2.get_buffer_state());
// Assert status is correct
rlc_am_nr_status_pdu_t status_check = {};
rlc_am_nr_read_status_pdu(&status_buf, rlc_am_nr_sn_size_t::size12bits, &status_check);
TESTASSERT(status_check.ack_sn == 5); // 5 is the last SN that was not received.
// TESTASSERT(rlc_am_is_valid_status_pdu(status_check));
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
// Check PDCP notifications
// TODO
// Check statistics
TESTASSERT(rx_is_tx(rlc1.get_metrics(), rlc2.get_metrics()));
return SRSRAN_SUCCESS;
}
int main(int argc, char** argv)
{
// Setup the log message spy to intercept error and warning log entries from RLC
if (!srslog::install_custom_sink(srsran::log_sink_message_spy::name(),
std::unique_ptr<srsran::log_sink_message_spy>(
new srsran::log_sink_message_spy(srslog::get_default_log_formatter())))) {
return SRSRAN_ERROR;
}
auto* spy = static_cast<srsran::log_sink_message_spy*>(srslog::find_sink(srsran::log_sink_message_spy::name()));
if (spy == nullptr) {
return SRSRAN_ERROR;
}
srslog::set_default_sink(*spy);
auto& logger_rlc1 = srslog::fetch_basic_logger("RLC_NR_AM_1", *spy, false);
auto& logger_rlc2 = srslog::fetch_basic_logger("RLC_NR_AM_2", *spy, false);
logger_rlc1.set_hex_dump_max_size(100);
logger_rlc2.set_hex_dump_max_size(100);
logger_rlc1.set_level(srslog::basic_levels::debug);
logger_rlc2.set_level(srslog::basic_levels::debug);
// start log backend
srslog::init();
TESTASSERT(basic_test() == SRSRAN_SUCCESS);
return SRSRAN_SUCCESS;
}