mirror of https://github.com/PentHertz/srsLTE.git
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/*
|
|
* Copyright 2013-2020 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/.
|
|
*
|
|
*/
|
|
|
|
#define Error(fmt, ...) log_h->error(fmt, ##__VA_ARGS__)
|
|
#define Warning(fmt, ...) log_h->warning(fmt, ##__VA_ARGS__)
|
|
#define Info(fmt, ...) log_h->info(fmt, ##__VA_ARGS__)
|
|
#define Debug(fmt, ...) log_h->debug(fmt, ##__VA_ARGS__)
|
|
|
|
#include "srslte/common/pdu_queue.h"
|
|
|
|
namespace srslte {
|
|
|
|
void pdu_queue::init(process_callback* callback_, log_ref log_h_)
|
|
{
|
|
callback = callback_;
|
|
log_h = log_h_;
|
|
}
|
|
|
|
uint8_t* pdu_queue::request(uint32_t len)
|
|
{
|
|
if (len > MAX_PDU_LEN) {
|
|
ERROR("Error request buffer of invalid size %d. Max bytes %d\n", len, MAX_PDU_LEN);
|
|
return NULL;
|
|
}
|
|
pdu_t* pdu = pool.allocate("pdu_queue::request", true);
|
|
if (!pdu) {
|
|
if (log_h) {
|
|
log_h->error("Not enough buffers for MAC PDU\n");
|
|
}
|
|
ERROR("Not enough buffers for MAC PDU\n");
|
|
}
|
|
if ((void*)pdu->ptr != (void*)pdu) {
|
|
ERROR("Fatal error in memory alignment in struct pdu_queue::pdu_t\n");
|
|
exit(-1);
|
|
}
|
|
|
|
return pdu->ptr;
|
|
}
|
|
|
|
void pdu_queue::deallocate(uint8_t* pdu)
|
|
{
|
|
if (!pool.deallocate((pdu_t*)pdu)) {
|
|
log_h->warning("Error deallocating from buffer pool in deallocate(): buffer not created in this pool.\n");
|
|
}
|
|
}
|
|
|
|
/* Demultiplexing of logical channels and dissassemble of MAC CE
|
|
* This function enqueues the packet and returns quicly because ACK
|
|
* deadline is important here.
|
|
*/
|
|
void pdu_queue::push(uint8_t* ptr, uint32_t len, channel_t channel)
|
|
{
|
|
if (ptr) {
|
|
pdu_t* pdu = (pdu_t*)ptr;
|
|
pdu->len = len;
|
|
pdu->channel = channel;
|
|
pdu_q.push(pdu);
|
|
} else {
|
|
log_h->warning("Error pushing pdu: ptr is empty\n");
|
|
}
|
|
}
|
|
|
|
bool pdu_queue::process_pdus()
|
|
{
|
|
bool have_data = false;
|
|
uint32_t cnt = 0;
|
|
pdu_t* pdu;
|
|
while (pdu_q.try_pop(&pdu)) {
|
|
if (callback) {
|
|
callback->process_pdu(pdu->ptr, pdu->len, pdu->channel);
|
|
}
|
|
cnt++;
|
|
have_data = true;
|
|
}
|
|
if (cnt > 20) {
|
|
if (log_h) {
|
|
log_h->warning("PDU queue dispatched %d packets\n", cnt);
|
|
}
|
|
printf("Warning PDU queue dispatched %d packets\n", cnt);
|
|
}
|
|
return have_data;
|
|
}
|
|
|
|
} // namespace srslte
|