<?php

if ($device['os'] != "Snom")
{

  echo(" UDP");

  // These are at the start of large trees that we don't want to walk the entirety of, so we snmpget_multi them

  $oids = array ('udpInDatagrams','udpOutDatagrams','udpInErrors','udpNoPorts');

  unset($snmpstring, $rrdupdate, $snmpdata, $snmpdata_cmd, $rrd_create);
  $rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/netstats-udp.rrd";

  $rrd_create = $config['rrd_rra'];

  foreach ($oids as $oid)
  {
    $oid_ds = truncate($oid, 19, '');
    $rrd_create .= " DS:$oid_ds:COUNTER:600:U:1000000"; // Limit to 1MPPS?
    $snmpstring .= " UDP-MIB::".$oid.".0";
  }

  $data = snmp_get_multi($device, $snmpstring, "-OQUs", "UDP-MIB");

  $rrdupdate = "N";

  foreach ($oids as $oid)
  {
    if (is_numeric($data[0][$oid]))
    {
      $value = $data[0][$oid];
    } else {
      $value = "U";
    }
    $rrdupdate .= ":$value";
  }

  if (isset($data[0]['udpInDatagrams']) && isset($data[0]['udpOutDatagrams']))
  {
    if (!file_exists($rrd_file)) { rrdtool_create($rrd_file, $rrd_create); }
    rrdtool_update($rrd_file, $rrdupdate);
    $graphs['netstat_udp'] = TRUE;
  }
}

unset($oids, $data, $data_array, $oid, $protos, $snmpstring);

?>
