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

// Exit if already founded fdb entries
if (safe_count($fdbs)) { return; }

// TPLINK-L2BRIDGE-MIB::tpl2BridgeManagePortIndex.49153 = STRING: 1/0/1
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManagePortIndex.49154 = STRING: 1/0/2
$fdb_ports = [];
foreach (snmpwalk_cache_oid($device, 'tpl2BridgeManagePortIndex', [], 'TPLINK-L2BRIDGE-MIB') as $ifIndex => $entry) {
  $fdb_ports[$entry['tpl2BridgeManagePortIndex']] = $ifIndex;
}
if (!snmp_status()) { return; }

// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynMac.20.88.208.75.9.0.10 = STRING: "14-58-d0-4b-09-00"
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynMac.20.88.208.75.9.0.744 = STRING: "14-58-d0-4b-09-00"
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynVlanId.20.88.208.75.9.0.10 = INTEGER: 10
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynVlanId.20.88.208.75.9.0.744 = INTEGER: 744
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynPort.20.88.208.75.9.0.10 = STRING: "1/0/4"
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynPort.20.88.208.75.9.0.744 = STRING: "1/0/28"
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynAgeStatus.20.88.208.75.9.0.10 = INTEGER: aging(1)
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynAgeStatus.20.88.208.75.9.0.744 = INTEGER: aging(1)
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynStatus.20.88.208.75.9.0.10 = INTEGER: active(1)
// TPLINK-L2BRIDGE-MIB::tpl2BridgeManageDynStatus.20.88.208.75.9.0.744 = INTEGER: active(1)
foreach (snmpwalk_cache_oid($device, 'tpl2BridgeManageDynAddrCtrlTable', [], 'TPLINK-L2BRIDGE-MIB', NULL, OBS_SNMP_ALL_NUMERIC_INDEX) as $index => $entry) {
  if ($entry['tpl2BridgeManageDynAgeStatus'] !== 'aging') { continue; }
  if (!isset($fdb_ports[$entry['tpl2BridgeManageDynPort']])) {
    print_debug("Unknown port '".$entry['tpl2BridgeManageDynPort']."'.");
    print_debug_vars($entry);
    continue;
  }

  $ifIndex = $fdb_ports[$entry['tpl2BridgeManageDynPort']];
  $vlan    = $entry['tpl2BridgeManageDynVlanId'];

  // Make sure the ifIndex is actually valid
  if ($ifIndex != 0 && is_array($port_ifIndex_table[$ifIndex])) {
    $port = $port_ifIndex_table[$ifIndex];
    $mac  = mac_zeropad($entry['tpl2BridgeManageDynMac']);

    $data = [];

    $data['port_id']    = $port['port_id'];
    $data['port_index'] = $ifIndex;
    $data['fdb_status'] = 'learned'; // Hardcoded for this MIB

    $fdbs[$vlan][$mac] = $data;
  }
}

// EOF