<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage poller
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2021 Observium Limited
 *
 */

$supply_data = dbFetchRows("SELECT * FROM `printersupplies` WHERE `device_id` = ?", array($device['device_id']));

foreach ($supply_data as $supply) {
  echo("Checking " . $supply['supply_descr'] . " (" . nicecase($supply['supply_type']) . ")... ");

  // Fetch level and capacity
  $data = snmp_get_multi_oid($device, $supply['supply_oid'] . ' ' . $supply['supply_capacity_oid'], array(), NULL, NULL, OBS_SNMP_ALL_NUMERIC);
  print_debug_vars($data);

  // Level
  $level = $data[$supply['supply_oid']];

  if ($supply['supply_mib'] === 'RicohPrivateMIB') {
    if ($level == '-100') {
      // Toner near empty
      $level = '5'; // ~ 1-20%
    } elseif ($level == '-3') {
      $level = '80'; // ~ 10-100%
    }

  } else {

    /**
     * .1.3.6.1.2.1.43.11.1.1.9 prtMarkerSuppliesLevel
     *  The value (-1) means other and specifically indicates that the sub-unit places
     *  no restrictions on this parameter. The value (-2) means unknown.
     *  A value of (-3) means that the printer knows that there is some supply/remaining space,
     *  respectively.
     */
    switch ($level) {
      case '-1':
        $level = 100; // Unlimit
        break;
      case '-2':
        $level = 0;   // Unknown
        break;
      case '-3':
        $level = 80;   // This is wrong SuppliesLevel (1%), but better than nothing
        break;
    }
  }

  // Capacity
  if (!safe_empty($supply['supply_capacity_oid'])) {
    $capacity = $data[$supply['supply_capacity_oid']];
  } elseif ($supply['supply_capacity']) {
    $capacity = $supply['supply_capacity'];
  } else {
    $capacity = 100;
  }

  /**
   * .1.3.6.1.2.1.43.11.1.1.8 prtMarkerSuppliesMaxCapacity
   *  The value (-1) means other and specifically indicates that the sub-unit places
   *  no restrictions on this parameter. The value (-2) means unknown.
   */
  switch ($capacity) {
    case '-1':
      $capacity = 100; // Unlimit
      break;
    //case '-2':
    //  $capacity = 0;   // Unknown
    //  break;
  }

  // Supply percent
  if (is_numeric($level) && $level >= 0 && $capacity > 0) {
    //$supplyperc = round($level / $supply['supply_capacity'] * 100);
    $supplyperc = round($level / $capacity * 100);
  } else {
    $supplyperc = $level;
  }

  echo($supplyperc . " %\n");

  rrdtool_update_ng($device, 'toner', array('level' => $supplyperc),  $supply['supply_index']);

  if ($supplyperc > $supply['supply_value'] && $capacity >= 0)
  {
    log_event('Printer supply ' . $supply['supply_descr'] . ' (type ' . nicecase($supply['supply_type']) . ') was replaced (new level: ' . $supplyperc . '%)', $device, 'toner', $supply['supply_id']);
  }

  // Update DB
  $supply_update = array();
  if ($supply['supply_value']    != $supplyperc) { $supply_update['supply_value']    = $supplyperc; }
  if ($supply['supply_capacity'] != $capacity)   { $supply_update['supply_capacity'] = $capacity; }
  if ($supply_update) {
    dbUpdate($supply_update, 'printersupplies', '`supply_id` = ?', array($supply['supply_id']));
  }

  // Check metrics
  check_entity('printersupply', $supply, array('supply_value' => $supplyperc));

  $graphs['printersupplies'] = TRUE;
}

// EOF