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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2020 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#ifndef SRSLTE_PDU_QUEUE_H
#define SRSLTE_PDU_QUEUE_H
#include "srslte/adt/circular_buffer.h"
#include "srslte/common/block_queue.h"
#include "srslte/common/buffer_pool.h"
#include "srslte/common/timers.h"
#include "srslte/mac/pdu.h"
/* Logical Channel Demultiplexing and MAC CE dissassemble */
namespace srslte {
class pdu_queue
{
public:
typedef enum { DCH, BCH, MCH } channel_t;
class process_callback
{
public:
virtual void process_pdu(uint8_t* buff, uint32_t len, channel_t channel) = 0;
};
pdu_queue(srslog::basic_logger& logger) : pool(DEFAULT_POOL_SIZE), callback(NULL), logger(logger) {}
void init(process_callback* callback);
uint8_t* request(uint32_t len);
void deallocate(const uint8_t* pdu);
void push(const uint8_t* ptr, uint32_t len, channel_t channel = DCH);
bool process_pdus();
void reset();
private:
const static int DEFAULT_POOL_SIZE = 128; // Number of PDU buffers in total
const static int MAX_PDU_LEN = 150 * 1024 / 8; // ~ 150 Mbps
typedef struct {
uint8_t ptr[MAX_PDU_LEN];
uint32_t len;
channel_t channel;
#ifdef SRSLTE_BUFFER_POOL_LOG_ENABLED
char debug_name[128];
#endif
} pdu_t;
static_blocking_queue<pdu_t*, DEFAULT_POOL_SIZE> pdu_q;
buffer_pool<pdu_t> pool;
process_callback* callback;
srslog::basic_logger& logger;
};
} // namespace srslte
#endif // SRSLTE_PDU_QUEUE_H