<?php

// 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
echo 'Polling IP-MIB ipSystemStats ';

$ipSystemStats = snmpwalk_cache_oid($device, 'ipSystemStats', null, 'IP-MIB');

if ($ipSystemStats) {
    foreach ($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 = $config['rrd_dir'].'/'.$device['hostname'].'/'.safename('ipSystemStats-'.$af.'.rrd');

        $rrd_create = $config['rrd_rra'];
        $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];
        }

        if (!file_exists($rrdfile)) {
            rrdtool_create($rrdfile, $rrd_create);
        }

        rrdtool_update($rrdfile, $rrdupdate);

        unset($rrdupdate, $rrd_create);

        // FIXME per-AF?
        $graphs['ipsystemstats_'.$af]         = true;
        $graphs['ipsystemstats_'.$af.'_frag'] = true;
    }//end foreach
}//end if

echo "\n";