/**
 *
 * \section COPYRIGHT
 *
 * Copyright 2013-2021 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 SRSRAN_RLC_METRICS_H
#define SRSRAN_RLC_METRICS_H

#include "srsran/common/common.h"
#include <iostream>

namespace srsran {

typedef struct {
  // SDU metrics
  uint32_t num_tx_sdus;
  uint32_t num_rx_sdus;
  uint64_t num_tx_sdu_bytes;
  uint64_t num_rx_sdu_bytes;
  uint32_t num_lost_sdus; //< Count dropped SDUs at Tx due to bearer inactivity or empty buffer
  uint64_t rx_latency_ms; //< Average time in ms from first RLC segment to full SDU

  // PDU metrics
  uint32_t num_tx_pdus;
  uint32_t num_rx_pdus;
  uint64_t num_tx_pdu_bytes;
  uint64_t num_rx_pdu_bytes;
  uint32_t num_lost_pdus; //< Lost PDUs registered at Rx

  // misc metrics
  uint32_t rx_buffered_bytes; //< sum of payload of PDUs buffered in rx_window
} rlc_bearer_metrics_t;

typedef struct {
  rlc_bearer_metrics_t bearer[SRSRAN_N_RADIO_BEARERS];
  rlc_bearer_metrics_t mrb_bearer[SRSRAN_N_MCH_LCIDS];
} rlc_metrics_t;

} // namespace srsran

#endif // SRSRAN_RLC_METRICS_H