<?php

// SNMPv2-SMI::enterprises.8741.2.1.1.1.0 = STRING: "NSA 2400"
// SNMPv2-SMI::enterprises.8741.2.1.1.2.0 = STRING: "0017C599BD08"
// SNMPv2-SMI::enterprises.8741.2.1.1.3.0 = STRING: "SonicOS Enhanced 5.8.1.7-4o"
// SNMPv2-SMI::enterprises.8741.2.1.1.4.0 = STRING: "5.0.3.3"
// SNMPv2-SMI::enterprises.8741.2.1.1.1.0 = STRING: "TZ 210"
// SNMPv2-SMI::enterprises.8741.2.1.1.2.0 = STRING: "0017C568903C"
// SNMPv2-SMI::enterprises.8741.2.1.1.3.0 = STRING: "SonicOS Enhanced 5.6.0.11-61o"
// SNMPv2-SMI::enterprises.8741.2.1.1.4.0 = STRING: "5.0.2.11"

$hardware = trim(snmp_get($device, '.1.3.6.1.4.1.8741.2.1.1.1.0', '-OQv', '', ''), '" ');
$serial = trim(snmp_get($device, '.1.3.6.1.4.1.8741.2.1.1.2.0', '-OQv', '', ''), '" ');
$fwversion = trim(snmp_get($device, '.1.3.6.1.4.1.8741.2.1.1.3.0', '-OQv', '', ''), '" ');
$romversion = trim(snmp_get($device, '.1.3.6.1.4.1.8741.2.1.1.4.0', '-OQv', '', ''), '" ');
$version = "(Firmware $fwversion / ROM $romversion)";
$oids = 'sonicCurrentConnCacheEntries.0 sonicMaxConnCacheEntries.0';
$data = snmp_get_multi($device, $oids, '-OQUs', 'SONICWALL-FIREWALL-IP-STATISTICS-MIB');

if (is_numeric($data)) {
    $rrd_def = array(
        'DS:activesessions:GAUGE:600:0:U',
        'DS:maxsessions:GAUGE:600:0:U',
    );
    $fields = array(
        'activesessions' => $data[0]['sonicCurrentConnCacheEntries'],
        'maxsessions' => $data[0]['sonicMaxConnCacheEntries'],
    );
    $tags = compact('rrd_def');
    data_update($device, 'sonicwall_sessions', $tags, $fields);
    $graphs['sonicwall_sessions'] = true;
}