<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage discovery
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2022 Observium Limited
 *
 */

$mempool_array = snmpwalk_cache_oid($device, 'jnxOperatingBuffer', [], $mib);

if (!safe_empty($mempool_array)) {
  $mempool_array = snmpwalk_cache_oid($device, 'jnxOperatingMemory', $mempool_array, $mib);
  $mempool_array = snmpwalk_cache_oid($device, 'jnxOperatingDRAMSize', $mempool_array, $mib);
  $mempool_array = snmpwalk_cache_oid($device, 'jnxOperatingDescr', $mempool_array, $mib);
  foreach ($mempool_array as $index => $entry) {
    $descr = $entry['jnxOperatingDescr'];
    if (!is_numeric($entry['jnxOperatingBuffer']) || str_icontains_array($descr, [ 'sensor', 'fan', 'pcmcia', 'no' ])) { continue; }
    if ($entry['jnxOperatingDRAMSize']) {
      $precision = 1;
      $total     = $entry['jnxOperatingDRAMSize'];  // Size in bytes
    } elseif ($entry['jnxOperatingMemory']) {
      $precision = 1024 * 1024;
      $total     = $entry['jnxOperatingMemory'];    // Size in megabytes
    } else {
      continue;
    }
    $percent = $entry['jnxOperatingBuffer'];
    $used    = $total * $percent / 100;

    discover_mempool($valid['mempool'], $device, $index, $mib, $descr, $precision, $total, $used);
  }
}

unset($mempool_array, $index, $descr, $precision, $total, $used, $percent);

// EOF