<?php

if ($config['enable_sla'] && $device['os_group'] == "cisco")
{
  echo("SLAs : ");

  $slas = snmp_walk($device, "ciscoRttMonMIB.ciscoRttMonObjects.rttMonCtrl", "-Osq", "+CISCO-RTTMON-MIB");

  $sla_table = array();
  foreach (explode("\n", $slas) as $sla)
  {
    $key_val = explode(" ", $sla, 2);
    if (count($key_val) != 2)
      $key_val[] = "";

    $key = $key_val[0];
    $value = $key_val[1];

    $prop_id = explode(".", $key);
    if ((count($prop_id) != 2) || !ctype_digit($prop_id[1]))
      continue;

    $property = $prop_id[0];
    $id = intval($prop_id[1]);

    $sla_table[$id][$property] = trim($value);
  }

  #var_dump($sla_table);

  // Get existing SLAs
  $existing_slas = dbFetchColumn("SELECT `sla_id` FROM `slas` WHERE `device_id` = :device_id AND `deleted` = 0", array('device_id' => $device['device_id']));

  foreach ($sla_table as $sla_nr => $sla_config)
  {
    $query_data = array(
      'device_id' => $device['device_id'],
      'sla_nr' => $sla_nr,
    );
    $sla_id = dbFetchCell("SELECT `sla_id` FROM `slas` WHERE `device_id` = :device_id AND `sla_nr` = :sla_nr", $query_data);

    $data = array(
      'device_id' => $device['device_id'],
      'sla_nr' => $sla_nr,
      'owner' => $sla_config['rttMonCtrlAdminOwner'],
      'tag' => $sla_config['rttMonCtrlAdminTag'],
      'rtt_type' => $sla_config['rttMonCtrlAdminRttType'],
      'status' => ($sla_config['rttMonCtrlAdminStatus'] == 'active') ? 1 : 0,
      'deleted' => 0,
    );

    // Some fallbacks for when the tag is empty
    if (!$data['tag'])
    {
      switch ($data['rtt_type'])
      {
        case 'http':
          $data['tag'] = $sla_config['rttMonEchoAdminURL'];
          break;

        case 'dns':
          $data['tag'] = $sla_config['rttMonEchoAdminTargetAddressString'];
          break;

        case 'echo':
          $parts = explode(" ", $sla_config['rttMonEchoAdminTargetAddress']);
          if (count($parts) == 4)
          {
            // IPv4
            $data['tag'] = implode(".", array_map('hexdec', $parts));
          }
          elseif (count($parts) == 16)
          {
            // IPv6
            $data['tag'] = $parts[0].$parts[1].':'.$parts[2].$parts[3].':'.$parts[4].$parts[5].':'.$parts[6].$parts[7].':'.$parts[8].$parts[9].':'.$parts[10].$parts[11].':'.$parts[12].$parts[13].':'.$parts[14].$parts[15];
            $data['tag'] = preg_replace('/:0*([0-9])/', ':$1', $data['tag']);
          }
          break;
      }
    }

    if (!$sla_id)
    {
      $sla_id = dbInsert($data, 'slas');
      echo "+";
    }
    else
    {
      // Remove from the list
      $existing_slas = array_diff($existing_slas, array($sla_id));

      dbUpdate($data, 'slas', "`sla_id` = :sla_id", array('sla_id' => $sla_id));
      echo ".";
    }
  }

  // Mark all remaining SLAs as deleted
  foreach ($existing_slas as $existing_sla)
  {
    dbUpdate(array('deleted' => 1), 'slas', "`sla_id` = :sla_id", array('sla_id' => $existing_sla));
    echo "-";
  }

  echo("\n");
} # enable_sla && cisco

?>