librenms-librenms/includes/polling/altiga-ssl.inc.php

<?php

if ($device['os'] == 'asa' || $device['os'] == 'pix') {
    echo "ALTIGA-MIB SSL VPN Statistics \n";

    $oids = array(
        'alSslStatsTotalSessions',
        'alSslStatsActiveSessions',
        'alSslStatsMaxSessions',
        'alSslStatsPreDecryptOctets',
        'alSslStatsPostDecryptOctets',
        'alSslStatsPreEncryptOctets',
        'alSslStatsPostEncryptOctets',
    );

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

    $rrdfile = $config['rrd_dir'].'/'.$device['hostname'].'/'.safename('altiga-ssl.rrd');

    $rrd_create .= ' DS:TotalSessions:COUNTER:600:U:100000 DS:ActiveSessions:GAUGE:600:0:U DS:MaxSessions:GAUGE:600:0:U';
    $rrd_create .= ' DS:PreDecryptOctets:COUNTER:600:U:100000000000 DS:PostDecryptOctets:COUNTER:600:U:100000000000 DS:PreEncryptOctets:COUNTER:600:U:100000000000';
    $rrd_create .= ' DS:PostEncryptOctets:COUNTER:600:U:100000000000';
    $rrd_create .= $config['rrd_rra'];

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

    $data_array = snmpwalk_cache_oid($device, $proto, array(), 'ALTIGA-SSL-STATS-MIB');

    $rrdupdate = 'N';

    foreach ($oids as $oid) {
        if (is_numeric($data_array[0][$oid])) {
            $value = $data_array[0][$oid];
        }
        else {
            $value = '0';
        }

        $rrdupdate .= ":$value";
    }

    if ($data_array[0]['alSslStatsTotalSessions'] || is_file($rrdfile)) {
        rrdtool_update($rrdfile, $rrdupdate);
    }

    unset($rrdfile, $rrdupdate, $data_array);
}//end if