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srsRAN_4G/lib/test/upper/rlc_am_control_test.cc

66 lines
1.9 KiB
C++

/*
* Copyright 2013-2019 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE 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.
*
* srsLTE 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 <assert.h>
#include <iostream>
#include "srslte/upper/rlc_am.h"
// Simple status PDU
uint8_t pdu1[] = {0x00, 0x78};
uint32_t PDU1_LEN = 2;
// Status PDU with 4 NACKs
uint8_t pdu2[] = {0x00 ,0x22 ,0x00 ,0x40 ,0x0C ,0x01 ,0xC0 ,0x20};
uint32_t PDU2_LEN = 8;
int main(int argc, char **argv) {
srslte::rlc_status_pdu_t s;
srslte::byte_buffer_t b1,b2;
memcpy(b1.msg, &pdu1[0], PDU1_LEN);
b1.N_bytes = PDU1_LEN;
rlc_am_read_status_pdu(&b1, &s);
assert(s.ack_sn == 30);
assert(s.N_nack == 0);
rlc_am_write_status_pdu(&s, &b2);
assert(b2.N_bytes == PDU1_LEN);
for(uint32_t i=0;i<b2.N_bytes;i++)
assert(b2.msg[i] == b1.msg[i]);
b1.reset();
b2.reset();
memset(&s, 0, sizeof(srslte::rlc_status_pdu_t));
memcpy(b1.msg, &pdu2[0], PDU2_LEN);
b1.N_bytes = PDU2_LEN;
rlc_am_read_status_pdu(&b1, &s);
assert(s.ack_sn == 8);
assert(s.N_nack == 4);
assert(s.nacks[0].nack_sn == 0);
assert(s.nacks[1].nack_sn == 1);
assert(s.nacks[2].nack_sn == 3);
assert(s.nacks[3].nack_sn == 4);
rlc_am_write_status_pdu(&s, &b2);
assert(b2.N_bytes == PDU2_LEN);
for(uint32_t i=0;i<b2.N_bytes;i++)
assert(b2.msg[i] == b1.msg[i]);
}