<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage poller
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2019 Observium Limited
 *
 */

#IP-MIB::ipSystemStatsInReceives.ipv4 = Counter32: 1062322382
#IP-MIB::ipSystemStatsInReceives.ipv6 = Counter32: 5229983
#IP-MIB::ipSystemStatsHCInReceives.ipv4 = Counter64: 1062322382
#IP-MIB::ipSystemStatsHCInReceives.ipv6 = Counter64: 5229983
#IP-MIB::ipSystemStatsHCInOctets.ipv4 = Counter64: 0
#IP-MIB::ipSystemStatsHCInOctets.ipv6 = Counter64: 0
#IP-MIB::ipSystemStatsInHdrErrors.ipv4 = Counter32: 199
#IP-MIB::ipSystemStatsInHdrErrors.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsInAddrErrors.ipv4 = Counter32: 0
#IP-MIB::ipSystemStatsInAddrErrors.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsInUnknownProtos.ipv4 = Counter32: 1
#IP-MIB::ipSystemStatsInUnknownProtos.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsInForwDatagrams.ipv4 = Counter32: 4350883
#IP-MIB::ipSystemStatsInForwDatagrams.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsHCInForwDatagrams.ipv4 = Counter64: 4350883
#IP-MIB::ipSystemStatsHCInForwDatagrams.ipv6 = Counter64: 0
#IP-MIB::ipSystemStatsReasmReqds.ipv4 = Counter32: 0
#IP-MIB::ipSystemStatsReasmReqds.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsReasmOKs.ipv4 = Counter32: 573
#IP-MIB::ipSystemStatsReasmOKs.ipv6 = Counter32: 191
#IP-MIB::ipSystemStatsReasmFails.ipv4 = Counter32: 2
#IP-MIB::ipSystemStatsReasmFails.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsInDiscards.ipv4 = Counter32: 0
#IP-MIB::ipSystemStatsInDiscards.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsInDelivers.ipv4 = Counter32: 1053500708
#IP-MIB::ipSystemStatsInDelivers.ipv6 = Counter32: 5229756
#IP-MIB::ipSystemStatsHCInDelivers.ipv4 = Counter64: 1053500708
#IP-MIB::ipSystemStatsHCInDelivers.ipv6 = Counter64: 5229756
#IP-MIB::ipSystemStatsOutRequests.ipv4 = Counter32: 874021272
#IP-MIB::ipSystemStatsOutRequests.ipv6 = Counter32: 5157066
#IP-MIB::ipSystemStatsHCOutRequests.ipv4 = Counter64: 874021272
#IP-MIB::ipSystemStatsHCOutRequests.ipv6 = Counter64: 5157066
#IP-MIB::ipSystemStatsOutNoRoutes.ipv4 = Counter32: 1
#IP-MIB::ipSystemStatsOutNoRoutes.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsHCOutForwDatagrams.ipv4 = Counter64: 0
#IP-MIB::ipSystemStatsHCOutForwDatagrams.ipv6 = Counter64: 0
#IP-MIB::ipSystemStatsOutDiscards.ipv4 = Counter32: 205
#IP-MIB::ipSystemStatsOutDiscards.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsOutFragFails.ipv4 = Counter32: 0
#IP-MIB::ipSystemStatsOutFragFails.ipv6 = Counter32: 0
#IP-MIB::ipSystemStatsOutFragCreates.ipv4 = Counter32: 0
#IP-MIB::ipSystemStatsOutFragCreates.ipv6 = Counter32: 68
#IP-MIB::ipSystemStatsDiscontinuityTime.ipv4 = Timeticks: (0) 0:00:00.00
#IP-MIB::ipSystemStatsDiscontinuityTime.ipv6 = Timeticks: (0) 0:00:00.00
#IP-MIB::ipSystemStatsRefreshRate.ipv4 = Gauge32: 30000 milli-seconds
#IP-MIB::ipSystemStatsRefreshRate.ipv6 = Gauge32: 30000 milli-seconds

// FIXME instead of checking for blacklist, shouldn't we just add it to ALL devices, then use is_device_mib ?
// This code means you can't disable IP-MIB from the web interface and have it actually work.
if (!in_array("IP-MIB", get_device_mibs_blacklist($device))) // Skip blacklisted MIB
{
  print_cli_data("Collecting", 'ipSystemStats', 2);

  $ipSystemStats = snmpwalk_cache_oid($device, "ipSystemStats", NULL, "IP-MIB");

  if ($ipSystemStats)
  {
    print_cli_data_field("Address Families", 2);

    foreach ($ipSystemStats as $af => $stats)
    {
      echo(" $af");

      $oids = array('ipSystemStatsInReceives','ipSystemStatsInHdrErrors','ipSystemStatsInAddrErrors','ipSystemStatsInUnknownProtos','ipSystemStatsInForwDatagrams','ipSystemStatsReasmReqds',
                    'ipSystemStatsReasmOKs','ipSystemStatsReasmFails','ipSystemStatsInDiscards','ipSystemStatsInDelivers','ipSystemStatsOutRequests','ipSystemStatsOutNoRoutes','ipSystemStatsOutDiscards',
                    'ipSystemStatsOutFragFails','ipSystemStatsOutFragCreates','ipSystemStatsOutForwDatagrams');

      // Use HC counters instead if they're available.
      if (isset($stats['ipSystemStatsHCInReceives']))       { $stats['ipSystemStatsInReceives']       = $stats['ipSystemStatsHCInReceives']; }
      if (isset($stats['ipSystemStatsHCInForwDatagrams']))  { $stats['ipSystemStatsInForwDatagrams']  = $stats['ipSystemStatsHCInForwDatagrams']; }
      if (isset($stats['ipSystemStatsHCInDelivers']))       { $stats['ipSystemStatsInDelivers']       = $stats['ipSystemStatsHCInDelivers']; }
      if (isset($stats['ipSystemStatsHCOutRequests']))      { $stats['ipSystemStatsOutRequests']      = $stats['ipSystemStatsHCOutRequests']; }
      if (isset($stats['ipSystemStatsHCOutForwDatagrams'])) { $stats['ipSystemStatsOutForwDatagrams'] = $stats['ipSystemStatsHCOutForwDatagrams']; }

      unset($snmpstring, $rrdupdate, $snmpdata, $snmpdata_cmd, $rrd_create);

      $rrdfile = "ipSystemStats-$af.rrd";

      $rrdupdate = "N";

      foreach ($oids as $oid)
      {
        $oid_ds = str_replace("ipSystemStats", "", $oid);
        $oid_ds = truncate($oid_ds, 19, '');
        $rrd_create .= " DS:$oid_ds:COUNTER:600:U:100000000000";
        if (strstr($stats[$oid], "No") || strstr($stats[$oid], "d") || strstr($stats[$oid], "s")) { $stats[$oid] = "0"; }
        $rrdupdate  .= ":".$stats[$oid];

        // Update StatsD/Carbon
        if ($config['statsd']['enable'] == TRUE && !strpos($oid, "HC"))
        {
          StatsD::gauge(str_replace(".", "_", $device['hostname']).'.'.'system'.'.'.$oid, $stats[$oid]);
        }
      }

      rrdtool_create($device,$rrdfile,$rrd_create);
      rrdtool_update($device, $rrdfile, $rrdupdate);

      unset($rrdupdate, $rrd_create);

      // FIXME per-AF?

      $graphs['ipsystemstats_'.$af] = TRUE;
      $graphs['ipsystemstats_'.$af.'_frag'] = TRUE;

      $show_graphs[] = 'ipsystemstats_'.$af;
      $show_graphs[] = 'ipsystemstats_'.$af.'_frag';
    }

    echo(PHP_EOL);

    print_cli_data("Graphs",  implode(" ", $show_graphs), 2);
  }
}
unset($show_graphs);

// EOF