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srsRAN_4G/srsenb/test/rrc/erab_setup_test.cc

165 lines
6.4 KiB
C++

/**
* Copyright 2013-2023 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsRAN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include "srsenb/hdr/enb.h"
#include "srsenb/src/enb_cfg_parser.h"
#include "srsenb/test/rrc/test_helpers.h"
#include "srsran/asn1/rrc_utils.h"
#include "srsran/common/test_common.h"
#include <iostream>
int test_erab_setup(srsran::log_sink_spy& spy, bool qci_exists)
{
printf("\n===== TEST: test_erab_setup() =====\n");
srsran::task_scheduler task_sched;
srsran::unique_byte_buffer_t pdu;
srsenb::all_args_t args;
rrc_cfg_t cfg;
TESTASSERT(test_helpers::parse_default_cfg(&cfg, args) == SRSRAN_SUCCESS);
spy.reset_counters();
auto& logger = srslog::fetch_basic_logger("RRC", false);
logger.set_hex_dump_max_size(1024);
logger.set_level(srslog::basic_levels::info);
enb_bearer_manager bearers;
srsenb::rrc rrc{&task_sched, bearers};
mac_dummy mac;
rlc_dummy rlc;
test_dummies::pdcp_mobility_dummy pdcp;
phy_dummy phy;
test_dummies::s1ap_mobility_dummy s1ap;
gtpu_dummy gtpu;
rrc.init(cfg, &phy, &mac, &rlc, &pdcp, &s1ap, &gtpu);
uint16_t rnti = 0x46;
sched_interface::ue_cfg_t ue_cfg = {};
ue_cfg.supported_cc_list.resize(1);
ue_cfg.supported_cc_list[0].active = true;
ue_cfg.supported_cc_list[0].enb_cc_idx = 0;
rrc.add_user(rnti, ue_cfg);
// mute all the startup log
logger.set_level(srslog::basic_levels::none);
// Do all the handshaking until the first RRC Connection Reconf
test_helpers::bring_rrc_to_reconf_state(rrc, *task_sched.get_timer_handler(), rnti);
logger.set_level(srslog::basic_levels::debug);
// MME sends 2nd ERAB Setup request for DRB2 (QCI exists in config)
uint8_t drb2_erab_setup_request_ok[] = {
0x00, 0x05, 0x00, 0x66, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00, 0x08, 0x00, 0x02, 0x00,
0x02, 0x00, 0x10, 0x00, 0x53, 0x00, 0x00, 0x11, 0x00, 0x4e, 0x0c, 0x00, 0x09, 0x21, 0x0f, 0x80, 0x7f, 0x00,
0x00, 0x02, 0x00, 0x00, 0x00, 0x13, 0x3f, 0x27, 0x67, 0x90, 0x99, 0xf5, 0x05, 0x62, 0x02, 0xc1, 0x01, 0x09,
0x09, 0x08, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x05, 0x01, 0x2d, 0x2d, 0x00, 0x0b, 0x27, 0x22,
0x80, 0x80, 0x21, 0x10, 0x02, 0x00, 0x00, 0x10, 0x81, 0x06, 0x08, 0x08, 0x08, 0x08, 0x83, 0x06, 0x08, 0x08,
0x04, 0x04, 0x00, 0x0d, 0x04, 0x08, 0x08, 0x08, 0x08, 0x00, 0x0d, 0x04, 0x08, 0x08, 0x04, 0x04};
// QCI doesn't exist (in default eNB DRB config)
uint8_t drb2_erab_setup_request_fail[] = {
0x00, 0x05, 0x00, 0x75, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x02, 0x00, 0x64, 0x00, 0x08, 0x00, 0x02, 0x00,
0x01, 0x00, 0x42, 0x00, 0x0a, 0x18, 0x3b, 0x9a, 0xca, 0x00, 0x60, 0x3b, 0x9a, 0xca, 0x00, 0x00, 0x10, 0x00,
0x54, 0x00, 0x00, 0x11, 0x00, 0x4f, 0x0c, 0x00, 0x05, 0x3c, 0x0f, 0x80, 0x7f, 0x00, 0x01, 0x64, 0xb3, 0xce,
0xf1, 0xc9, 0x40, 0x27, 0xfe, 0x2a, 0x3b, 0xd1, 0x03, 0x62, 0x70, 0xc1, 0x01, 0x05, 0x17, 0x03, 0x69, 0x6d,
0x73, 0x06, 0x6d, 0x6e, 0x63, 0x30, 0x37, 0x30, 0x06, 0x6d, 0x63, 0x63, 0x39, 0x30, 0x31, 0x04, 0x67, 0x70,
0x72, 0x73, 0x05, 0x01, 0xc0, 0xa8, 0x04, 0x02, 0x27, 0x15, 0x80, 0x80, 0x21, 0x0a, 0x03, 0x00, 0x00, 0x0a,
0x81, 0x06, 0x08, 0x08, 0x08, 0x08, 0x00, 0x0d, 0x04, 0x08, 0x08, 0x08, 0x08};
asn1::s1ap::s1ap_pdu_c s1ap_pdu;
srsran::byte_buffer_t byte_buf;
if (qci_exists) {
byte_buf.N_bytes = sizeof(drb2_erab_setup_request_ok);
memcpy(byte_buf.msg, drb2_erab_setup_request_ok, byte_buf.N_bytes);
} else {
byte_buf.N_bytes = sizeof(drb2_erab_setup_request_fail);
memcpy(byte_buf.msg, drb2_erab_setup_request_fail, byte_buf.N_bytes);
}
asn1::cbit_ref bref(byte_buf.msg, byte_buf.N_bytes);
TESTASSERT(s1ap_pdu.unpack(bref) == asn1::SRSASN_SUCCESS);
const auto& setupmsg = s1ap_pdu.init_msg().value.erab_setup_request();
if (setupmsg->ueaggregate_maximum_bitrate_present) {
rrc.set_aggregate_max_bitrate(rnti, setupmsg->ueaggregate_maximum_bitrate.value);
}
for (const auto& item : setupmsg->erab_to_be_setup_list_bearer_su_req.value) {
const auto& erab = item->erab_to_be_setup_item_bearer_su_req();
asn1::s1ap::cause_c cause;
int ret = rrc.setup_erab(rnti,
erab.erab_id,
erab.erab_level_qos_params,
erab.nas_pdu,
erab.transport_layer_address,
erab.gtp_teid.to_number(),
cause);
if (qci_exists) {
TESTASSERT(ret == SRSRAN_SUCCESS);
TESTASSERT(rrc.has_erab(rnti, erab.erab_id));
} else {
TESTASSERT(ret != SRSRAN_SUCCESS);
TESTASSERT(not rrc.has_erab(rnti, erab.erab_id));
}
}
if (qci_exists) {
TESTASSERT(spy.get_error_counter() == 0);
} else {
TESTASSERT(spy.get_error_counter() > 0);
}
return SRSRAN_SUCCESS;
}
int main(int argc, char** argv)
{
// Setup the log spy to intercept error and warning log entries.
if (!srslog::install_custom_sink(
srsran::log_sink_spy::name(),
std::unique_ptr<srsran::log_sink_spy>(new srsran::log_sink_spy(srslog::get_default_log_formatter())))) {
return SRSRAN_ERROR;
}
auto* spy = static_cast<srsran::log_sink_spy*>(srslog::find_sink(srsran::log_sink_spy::name()));
if (!spy) {
return SRSRAN_ERROR;
}
srslog::set_default_sink(*spy);
// Start the log backend.
srslog::init();
if (argc < 3) {
argparse::usage(argv[0]);
return -1;
}
argparse::parse_args(argc, argv);
TESTASSERT(test_erab_setup(*spy, true) == SRSRAN_SUCCESS);
TESTASSERT(test_erab_setup(*spy, false) == SRSRAN_SUCCESS);
srslog::flush();
printf("\nSuccess\n");
return SRSRAN_SUCCESS;
}