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164 lines
4.6 KiB
C++
164 lines
4.6 KiB
C++
/**
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* Copyright 2013-2021 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 "srsran/common/test_common.h"
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#include "srsran/upper/rlc_am_lte.h"
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#include <iostream>
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// Fixed header only
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uint8_t pdu1[] = {0x88, 0x06};
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uint32_t PDU1_LEN = 2;
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// Fixed + 2 LI fields (each 1500)
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uint8_t pdu2[] = {0x8C, 0x00, 0xDD, 0xC5, 0xDC};
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uint32_t PDU2_LEN = 5;
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// Fixed + 3 LI fields (each 1500)
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uint8_t pdu3[] = {0x8C, 0x00, 0xDD, 0xCD, 0xDC, 0x5D, 0xC0};
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uint32_t PDU3_LEN = 7;
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// D/C = 1 = Data PDU
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// RF = 0 = AMD PDU
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// P = 0 = Status PDU is not requested
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// FI = 11 = First byte of the Data field does not corresponds to the first byte of a RLC SDU,
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// Last byte of the Data field does not corresponds to the last byte of a RLC SDU
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// E = 1 = A set of E field and LI field follows from the octet following the fixed part of the header
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// SN = 0000000010 -> SN 2
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// E = 1
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// LI1 = 1010011 1110 (1342 Dec)
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// E = 0
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// LI2 = 10111011100 (1500 Dec)
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uint8_t pdu4[] = {0x9C, 0x02, 0xD3, 0xE5, 0xDC};
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uint32_t PDU4_LEN = 5;
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using namespace srsran;
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int test1()
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{
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srsran::rlc_amd_pdu_header_t h;
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srsran::byte_buffer_t b1, b2;
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memcpy(b1.msg, &pdu1[0], PDU1_LEN);
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b1.N_bytes = PDU1_LEN;
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rlc_am_read_data_pdu_header(&b1, &h);
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TESTASSERT(RLC_DC_FIELD_DATA_PDU == h.dc);
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TESTASSERT(0x01 == h.fi);
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TESTASSERT(0 == h.N_li);
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TESTASSERT(0 == h.lsf);
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TESTASSERT(0 == h.p);
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TESTASSERT(0 == h.rf);
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TESTASSERT(0 == h.so);
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TESTASSERT(6 == h.sn);
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rlc_am_write_data_pdu_header(&h, &b2);
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TESTASSERT(b2.N_bytes == PDU1_LEN);
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for (uint32_t i = 0; i < b2.N_bytes; i++)
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TESTASSERT(b2.msg[i] == b1.msg[i]);
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return SRSRAN_SUCCESS;
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}
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int test2()
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{
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srsran::rlc_amd_pdu_header_t h;
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srsran::byte_buffer_t b1, b2;
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memcpy(b1.msg, &pdu2[0], PDU2_LEN);
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b1.N_bytes = PDU2_LEN;
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rlc_am_read_data_pdu_header(&b1, &h);
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TESTASSERT(RLC_DC_FIELD_DATA_PDU == h.dc);
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TESTASSERT(0x01 == h.fi);
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TESTASSERT(2 == h.N_li);
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TESTASSERT(1500 == h.li[0]);
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TESTASSERT(1500 == h.li[1]);
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TESTASSERT(0 == h.lsf);
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TESTASSERT(0 == h.p);
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TESTASSERT(0 == h.rf);
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TESTASSERT(0 == h.so);
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TESTASSERT(0 == h.sn);
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rlc_am_write_data_pdu_header(&h, &b2);
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TESTASSERT(b2.N_bytes == PDU2_LEN);
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for (uint32_t i = 0; i < b2.N_bytes; i++)
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TESTASSERT(b2.msg[i] == b1.msg[i]);
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return SRSRAN_SUCCESS;
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}
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int test3()
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{
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srsran::rlc_amd_pdu_header_t h;
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srsran::byte_buffer_t b1, b2;
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memcpy(b1.msg, &pdu3[0], PDU3_LEN);
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b1.N_bytes = PDU3_LEN;
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rlc_am_read_data_pdu_header(&b1, &h);
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TESTASSERT(RLC_DC_FIELD_DATA_PDU == h.dc);
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TESTASSERT(0x01 == h.fi);
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TESTASSERT(3 == h.N_li);
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TESTASSERT(1500 == h.li[0]);
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TESTASSERT(1500 == h.li[1]);
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TESTASSERT(1500 == h.li[2]);
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TESTASSERT(0 == h.lsf);
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TESTASSERT(0 == h.p);
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TESTASSERT(0 == h.rf);
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TESTASSERT(0 == h.so);
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TESTASSERT(0 == h.sn);
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rlc_am_write_data_pdu_header(&h, &b2);
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TESTASSERT(b2.N_bytes == PDU3_LEN);
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for (uint32_t i = 0; i < b2.N_bytes; i++)
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TESTASSERT(b2.msg[i] == b1.msg[i]);
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return SRSRAN_SUCCESS;
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}
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int test4()
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{
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srsran::rlc_amd_pdu_header_t h;
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srsran::byte_buffer_t b1, b2;
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memcpy(b1.msg, &pdu4[0], PDU4_LEN);
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b1.N_bytes = PDU4_LEN;
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rlc_am_read_data_pdu_header(&b1, &h);
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TESTASSERT(RLC_DC_FIELD_DATA_PDU == h.dc);
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TESTASSERT(0x03 == h.fi);
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TESTASSERT(2 == h.N_li);
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TESTASSERT(1342 == h.li[0]);
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TESTASSERT(1500 == h.li[1]);
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TESTASSERT(0 == h.lsf);
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TESTASSERT(0 == h.p);
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TESTASSERT(0 == h.rf);
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TESTASSERT(0 == h.so);
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TESTASSERT(2 == h.sn);
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rlc_am_write_data_pdu_header(&h, &b2);
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TESTASSERT(b2.N_bytes == PDU4_LEN);
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for (uint32_t i = 0; i < b2.N_bytes; i++)
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TESTASSERT(b2.msg[i] == b1.msg[i]);
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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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srslog::init();
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TESTASSERT(test1() == SRSRAN_SUCCESS);
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TESTASSERT(test2() == SRSRAN_SUCCESS);
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TESTASSERT(test3() == SRSRAN_SUCCESS);
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TESTASSERT(test4() == SRSRAN_SUCCESS);
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return SRSRAN_SUCCESS;
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}
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