/*
 * SPDX-License-Identifier: LicenseRef-CSSL-1.0
 */

#include "m3ap_ids.h"

#include <string.h>

void m3ap_id_manager_init(m3ap_id_manager *m)
{
  int i;
  memset(m, 0, sizeof(m3ap_id_manager));
  for (i = 0; i < M3AP_MAX_IDS; i++)
    m->ids[i].rnti = -1;
}

int m3ap_allocate_new_id(m3ap_id_manager *m)
{
  int i;
  for (i = 0; i < M3AP_MAX_IDS; i++)
    if (m->ids[i].rnti == -1) {
      m->ids[i].rnti = 0;
      m->ids[i].id_source = -1;
      m->ids[i].id_target = -1;
      return i;
    }
  return -1;
}

void m3ap_release_id(m3ap_id_manager *m, int id)
{
  m->ids[id].rnti = -1;
}

int m3ap_find_id(m3ap_id_manager *m, int id_source, int id_target)
{
  int i;
  for (i = 0; i < M3AP_MAX_IDS; i++)
    if (m->ids[i].rnti != -1 &&
        m->ids[i].id_source == id_source &&
        m->ids[i].id_target == id_target)
      return i;
  return -1;
}

int m3ap_find_id_from_id_source(m3ap_id_manager *m, int id_source)
{
  int i;
  for (i = 0; i < M3AP_MAX_IDS; i++)
    if (m->ids[i].rnti != -1 &&
        m->ids[i].id_source == id_source)
      return i;
  return -1;
}

int m3ap_find_id_from_rnti(m3ap_id_manager *m, int rnti)
{
  int i;
  for (i = 0; i < M3AP_MAX_IDS; i++)
    if (m->ids[i].rnti == rnti)
      return i;
  return -1;
}

void m3ap_set_ids(m3ap_id_manager *m, int ue_id, int rnti, int id_source, int id_target)
{
  m->ids[ue_id].rnti      = rnti;
  m->ids[ue_id].id_source = id_source;
  m->ids[ue_id].id_target = id_target;
}

/* real type of target is m3ap_eNB_data_t * */
void m3ap_id_set_target(m3ap_id_manager *m, int ue_id, void *target)
{
  m->ids[ue_id].target = target;
}

void m3ap_id_set_state(m3ap_id_manager *m, int ue_id, m3id_state_t state)
{
  m->ids[ue_id].state = state;
}

void m3ap_set_reloc_prep_timer(m3ap_id_manager *m, int ue_id, uint64_t time)
{
  m->ids[ue_id].t_reloc_prep_start = time;
}

void m3ap_set_reloc_overall_timer(m3ap_id_manager *m, int ue_id, uint64_t time)
{
  m->ids[ue_id].tm3_reloc_overall_start = time;
}

int m3ap_id_get_id_source(m3ap_id_manager *m, int ue_id)
{
  return m->ids[ue_id].id_source;
}

int m3ap_id_get_id_target(m3ap_id_manager *m, int ue_id)
{
  return m->ids[ue_id].id_target;
}

int m3ap_id_get_rnti(m3ap_id_manager *m, int ue_id)
{
  return m->ids[ue_id].rnti;
}

void *m3ap_id_get_target(m3ap_id_manager *m, int ue_id)
{
  return m->ids[ue_id].target;
}
