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134 lines
4.1 KiB
C++
134 lines
4.1 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "rlc_test_common.h"
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#include "srsran/common/buffer_pool.h"
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#include "srsran/common/rlc_pcap.h"
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#include "srsran/common/test_common.h"
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#include "srsran/common/threads.h"
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#include "srsran/interfaces/ue_pdcp_interfaces.h"
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#include "srsran/interfaces/ue_rrc_interfaces.h"
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#include "srsran/rlc/rlc_am_nr.h"
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#define NBUFS 5
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#define HAVE_PCAP 0
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#define SDU_SIZE 500
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using namespace srsue;
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using namespace srsran;
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int basic_test_tx(rlc_am* rlc, byte_buffer_t pdu_bufs[NBUFS])
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{
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// Push 5 SDUs into RLC1
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unique_byte_buffer_t sdu_bufs[NBUFS];
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for (int i = 0; i < NBUFS; i++) {
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sdu_bufs[i] = srsran::make_byte_buffer();
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sdu_bufs[i]->msg[0] = i; // Write the index into the buffer
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sdu_bufs[i]->N_bytes = 1; // Give each buffer a size of 1 byte
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sdu_bufs[i]->md.pdcp_sn = i; // PDCP SN for notifications
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rlc->write_sdu(std::move(sdu_bufs[i]));
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}
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TESTASSERT(15 == rlc->get_buffer_state()); // 2 Bytes * NBUFFS (header size) + NBUFFS (data) = 15
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// Read 5 PDUs from RLC1 (1 byte each)
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for (int i = 0; i < NBUFS; i++) {
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uint32_t len = rlc->read_pdu(pdu_bufs[i].msg, 3); // 2 bytes for header + 1 byte payload
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pdu_bufs[i].N_bytes = len;
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TESTASSERT(3 == len);
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}
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TESTASSERT(0 == rlc->get_buffer_state());
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return SRSRAN_SUCCESS;
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}
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int basic_test()
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{
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rlc_am_tester tester;
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timer_handler timers(8);
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byte_buffer_t pdu_bufs[NBUFS];
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rlc_am rlc1(srsran_rat_t::nr, srslog::fetch_basic_logger("RLC_AM_1"), 1, &tester, &tester, &timers);
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rlc_am rlc2(srsran_rat_t::nr, srslog::fetch_basic_logger("RLC_AM_2"), 1, &tester, &tester, &timers);
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// before configuring entity
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TESTASSERT(0 == rlc1.get_buffer_state());
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if (not rlc1.configure(rlc_config_t::default_rlc_am_config())) {
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return -1;
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}
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if (not rlc2.configure(rlc_config_t::default_rlc_am_config())) {
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return -1;
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}
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basic_test_tx(&rlc1, pdu_bufs);
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// Write 5 PDUs into RLC2
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for (int i = 0; i < NBUFS; i++) {
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rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
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}
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TESTASSERT(3 == rlc2.get_buffer_state());
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// Read status PDU from RLC2
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byte_buffer_t status_buf;
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int len = rlc2.read_pdu(status_buf.msg, 3);
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status_buf.N_bytes = len;
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// TESTASSERT(0 == rlc2.get_buffer_state());
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// Assert status is correct
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rlc_am_nr_status_pdu_t status_check = {};
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rlc_am_nr_read_status_pdu(&status_buf, rlc_am_nr_sn_size_t::size12bits, &status_check);
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TESTASSERT(status_check.ack_sn == 5); // 5 is the last SN that was not received.
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// TESTASSERT(rlc_am_is_valid_status_pdu(status_check));
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// Write status PDU to RLC1
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rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
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// Check PDCP notifications
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// TODO
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// Check statistics
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TESTASSERT(rx_is_tx(rlc1.get_metrics(), rlc2.get_metrics()));
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return SRSRAN_SUCCESS;
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}
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int main(int argc, char** argv)
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{
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// Setup the log message spy to intercept error and warning log entries from RLC
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if (!srslog::install_custom_sink(srsran::log_sink_message_spy::name(),
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std::unique_ptr<srsran::log_sink_message_spy>(
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new srsran::log_sink_message_spy(srslog::get_default_log_formatter())))) {
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return SRSRAN_ERROR;
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}
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auto* spy = static_cast<srsran::log_sink_message_spy*>(srslog::find_sink(srsran::log_sink_message_spy::name()));
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if (spy == nullptr) {
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return SRSRAN_ERROR;
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}
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srslog::set_default_sink(*spy);
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auto& logger_rlc1 = srslog::fetch_basic_logger("RLC_NR_AM_1", *spy, false);
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auto& logger_rlc2 = srslog::fetch_basic_logger("RLC_NR_AM_2", *spy, false);
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logger_rlc1.set_hex_dump_max_size(100);
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logger_rlc2.set_hex_dump_max_size(100);
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logger_rlc1.set_level(srslog::basic_levels::debug);
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logger_rlc2.set_level(srslog::basic_levels::debug);
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// start log backend
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srslog::init();
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TESTASSERT(basic_test() == SRSRAN_SUCCESS);
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return SRSRAN_SUCCESS;
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}
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