<?php

$serverfarm_array = snmpwalk_cache_oid($device, "slbVServerInfoTable", array(), "CISCO-SLB-MIB");
$serverfarm_db = dbFetchRows("SELECT * FROM `loadbalancer_vservers` WHERE `device_id` = ?", array($device['device_id']));

foreach ($serverfarm_db as $vserver) { $classmaps[$vserver['classmap']] = $vserver;}

foreach ($serverfarm_array as $index => $vserver)
{

  $classmap = str_replace("class-map-", "", $vserver['slbVServerClassMap']);
  $classmap_id = str_replace("9.", "" , $index);

  $oids = array (
        "slbVServerNumberOfConnections",
        "slbVServerDroppedConnections",
        "slbVServerClientPacketCounts",
        "slbVServerClientByteCounts",
        "slbVServerPacketCounts",
        "slbVServerByteCounts");

  $db_oids = array($classmap_id => 'classmap_id', $classmap => 'classmap', "slbVServerState" => "serverstate");

  if (!is_array( $classmaps[$classmap]))
  {
    $classmap_in = dbInsert(array('device_id' => $device['device_id'], 'classmap_id' => $classmap_id, 'classmap' => $classmap, 'serverstate' => $vserver['slbVServerState']), 'loadbalancer_vservers');
  } else {
    foreach ($db_oids as $db_oid => $db_value)
    {
      $db_update[$db_value] = $vserver[$db_oid];
    }

    $updated   = dbUpdate($db_update, 'loadbalancer_vservers', '`classmap_id` = ?', $vserver['slbVServerState']['classmap']);
  }

  $rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/vserver-".$classmap_id.".rrd";
  $rrd_create = $config['rrd_rra'];

  foreach ($oids as $oid)
  {
    $oid_ds = truncate(str_replace("slbVServer", "", $oid), 19, '');
    $rrd_create .= " DS:$oid_ds:COUNTER:600:U:1000000000";
  }

  $rrdupdate = "N";

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

  if (isset($classmaps[$classmap]))
  {
    if (!file_exists($rrd_file)) { rrdtool_create($rrd_file, $rrd_create); }
    rrdtool_update($rrd_file, $rrdupdate);
  }
}

unset($oids, $oid, $vserver);

?>