<?php

if ($device['os'] == "netscaler")
{
  echo(" IP");

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

  $oids_gauge   = array('tcpCurServerConn', 'tcpCurClientConn', 'tcpActiveServerConn', 'tcpCurClientConnClosing', 'tcpCurServerConnEstablished',
                        'tcpCurClientConnOpening', 'tcpCurClientConnEstablished', 'tcpCurServerConnClosing', 'tcpSpareConn', 'tcpSurgeQueueLen', 'tcpCurServerConnOpening',
                        'tcpCurPhysicalServers', 'tcpReuseHit');

  $oids_counter = array('tcpTotServerConnOpened', 'tcpTotServerConnClosed', 'tcpTotClientConnOpened', 'tcpTotClientConnClosed',
                        'tcpTotSyn', 'tcpTotSynProbe', 'tcpTotSvrFin', 'tcpTotCltFin', 'tcpTotRxPkts', 'tcpTotRxBytes', 'tcpTotTxPkts', 'tcpTotTxBytes',
                        'tcpWaitToSyn', 'tcpTotZombieCltConnFlushed', 'tcpTotZombieSvrConnFlushed', 'tcpTotZombieHalfOpenCltConnFlushed', 'tcpTotZombieHalfOpenSvrConnFlushed',
                        'tcpTotZombieActiveHalfCloseCltConnFlushed', 'tcpTotZombieActiveHalfCloseSvrConnFlushed', 'tcpTotZombiePassiveHalfCloseCltConnFlushed',
                        'tcpTotZombiePassiveHalfCloseSrvConnFlushed', 'tcpErrBadCheckSum', 'tcpErrSynInSynRcvd', 'tcpErrSynInEst', 'tcpErrSynGiveUp', 'tcpErrSynSentBadAck',
                        'tcpErrSynRetry', 'tcpErrFinRetry', 'tcpErrFinGiveUp', 'tcpErrFinDup', 'tcpErrRst', 'tcpErrRstNonEst', 'tcpErrRstOutOfWindow', 'tcpErrRstInTimewait',
                        'tcpErrSvrRetrasmit', 'tcpErrCltRetrasmit', 'tcpErrFullRetrasmit', 'tcpErrPartialRetrasmit', 'tcpErrSvrOutOfOrder', 'tcpErrCltOutOfOrder',
                        'tcpErrCltHole', 'tcpErrSvrHole', 'tcpErrCookiePktSeqReject', 'tcpErrCookiePktSigReject', 'tcpErrCookiePktSeqDrop', 'tcpErrCookiePktMssReject',
                        'tcpErrRetransmit', 'tcpErrRetransmitGiveUp', 'pcbTotZombieCall', 'tcpTotSynHeld', 'tcpTotSynFlush', 'tcpTotFinWaitClosed', 'tcpErrAnyPortFail',
                        'tcpErrIpPortFail', 'tcpErrSentRst', 'tcpErrBadStateConn', 'tcpErrFastRetransmissions', 'tcpErrFirstRetransmissions', 'tcpErrSecondRetransmissions',
                        'tcpErrThirdRetransmissions', 'tcpErrForthRetransmissions', 'tcpErrFifthRetransmissions', 'tcpErrSixthRetransmissions', 'tcpErrSeventhRetransmissions',
                        'tcpErrDataAfterFin', 'tcpErrRstThreshold', 'tcpErrOutOfWindowPkts', 'tcpErrSynDroppedCongestion', 'tcpWaitData', 'tcpErrStrayPkt');

  $oids = array_merge($oids_gauge, $oids_counter);

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

  $rrd_create = $config['rrd_rra'];

  foreach ($oids_gauge as $oid)
  {
    $oid_ds = truncate(str_replace("tcp", "", str_replace("Active", "Ac", str_replace("Passive", "Ps", str_replace("Zombie", "Zom", $oid)))), 19, '');
    $rrd_create .= " DS:$oid_ds:GAUGE:600:U:100000000000";
  }

  foreach ($oids_counter as $oid)
  {
    $oid_ds = truncate(str_replace("tcp", "", str_replace("Active", "Ac", str_replace("Passive", "Ps", str_replace("Zombie", "Zom", $oid)))), 19, '');
    $rrd_create .= " DS:$oid_ds:COUNTER:600:U:100000000000";
  }

  $data = snmpwalk_cache_oid($device, "nsTcpStatsGroup", array(), "NS-ROOT-MIB");

  $rrdupdate = "N";

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

  if (!file_exists($rrd_file)) { rrdtool_create($rrd_file, $rrd_create); }
  rrdtool_update($rrd_file, $rrdupdate);
  $graphs['netscaler_tcp_conn'] = TRUE;
  $graphs['netscaler_tcp_bits'] = TRUE;
  $graphs['netscaler_tcp_pkts'] = TRUE;

}

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

?>
