<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     poller
 * @copyright  (C) Adam Armstrong
 *
 */

// NETAPP-MIB

$mib = 'NETAPP-MIB';

$port_module = 'netapp';
if ($port_stats_count) {
    // Check if we're dealing with a retarded ass-backwards OS which feels
    // the need to dump standardized variables in its own MIB, apparently just for shits.
    // Add NetApp's own table so we can get 64-bit values. They are checked later on.
    $port_stats   = snmpwalk_cache_oid($device, 'netifEntry', $port_stats, $mib);
    $has_ifXEntry = $GLOBALS['snmp_status']; // Needed for additional check HC counters

    $process_port_functions[$port_module] = $GLOBALS['snmp_status']; // Additionally, process port with function
} elseif ($has_ifEntry_error_code === OBS_SNMP_ERROR_FAILED_RESPONSE) {
    // if not exist ifEntry on device, collect and translate netapp specific tables
    print_cli($mib . '::NetIfEntry ');
    $netif_stat = snmpwalk_cache_oid($device, 'netifEntry', [], $mib);
    if (safe_count($netif_stat)) {
        $has_ifXEntry = $GLOBALS['snmp_status']; // Needed for additional check HC counters
        print_debug_vars($netif_stat);

        $mib_def = &$config['mibs'][$mib]['ports']['oids']; // Attach MIB options/translations
        //print_vars($mib_def);

        /*
        $data_oids_ifEntry = array(
          // ifEntry
          'ifDescr', 'ifType', 'ifMtu', 'ifSpeed', 'ifPhysAddress', 'ifAdminStatus', 'ifOperStatus', 'ifLastChange',
        );
        $data_oids_ifXEntry = array(
          // ifXEntry
          'ifName', 'ifAlias', 'ifHighSpeed', 'ifPromiscuousMode', 'ifConnectorPresent',
        );
        */
        $data_oids_netport = ['ifType', 'ifMtu', 'ifAdminStatus', 'ifOperStatus',
                              'ifHighSpeed', 'ifDuplex', 'ifVlan'];
        $flags             = OBS_SNMP_ALL ^ OBS_QUOTES_STRIP;
        $netport_stat      = [];
        foreach ($data_oids_netport as $oid) {
            $netport_oid = $mib_def[$oid]['oid'];
            print_cli($mib . '::' . $netport_oid . ' ');
            $netport_stat = snmpwalk_cache_twopart_oid($device, $netport_oid, $netport_stat, $mib, NULL, $flags);
        }
        // disable hex to string conversion for ifPhysAddress
        $flags       = $flags | OBS_SNMP_HEX;
        $netport_oid = $mib_def['ifPhysAddress']['oid'];
        print_cli($mib . '::' . $netport_oid . ' ');
        $netport_stat = snmpwalk_cache_twopart_oid($device, $netport_oid, $netport_stat, $mib, NULL, $flags);

        print_debug_vars($netport_stat);
    }

    // Now rewrite to standard IF-MIB array
    foreach ($netif_stat as $ifIndex => $port) {
        if (str_contains($port['netifDescr'], ':')) {
            [$port['netportNode'], $port['netportPort']] = explode(':', $port['netifDescr'], 2);
        } else {
            $port['netportNode'] = '';
            $port['netportPort'] = $port['netifDescr'];
        }
        $port['netportPort'] = str_ireplace('MGMT_PORT_ONLY ', '', $port['netportPort']);

        if (isset($netport_stat[$port['netportNode']][$port['netportPort']])) {
            // ifDescr
            $oid                        = 'ifDescr';
            $port[$oid]                 = $port[$mib_def[$oid]['oid']];
            $port_stats[$ifIndex][$oid] = $port[$oid];

            // ifName, ifAlias
            $port_stats[$ifIndex]['ifName']  = strlen($port['netportNode']) ? $port['netportNode'] . ':' . $port['netportPort'] : $port['netportPort'];
            $port_stats[$ifIndex]['ifAlias'] = ''; // FIXME, I not found

            $netport = &$netport_stat[$port['netportNode']][$port['netportPort']];

            // ifPhysAddress
            $oid                        = 'ifPhysAddress';
            $port[$oid]                 = strtolower($netport[$mib_def[$oid]['oid']]);
            $port[$oid]                 = str_replace(' ', '', $port[$oid]);
            $port_stats[$ifIndex][$oid] = $port[$oid];

            // All other data fields
            foreach ($data_oids_netport as $oid) {
                $port[$oid] = $netport[$mib_def[$oid]['oid']];
                if (isset($mib_def[$oid]['transform'])) {
                    // Translate to standard IF-MIB values
                    $port[$oid] = string_transform($port[$oid], $mib_def[$oid]['transform']);
                }

                if ($oid === 'ifVlan' && $port[$oid] < 0) {
                    $port[$oid] = '';
                }
                $port_stats[$ifIndex][$oid] = $port[$oid];
            }

            // ifEntry fields
            foreach ($stat_oids_ifEntry as $oid) {
                $oid = substr($oid, 2); // remove "if"
                // Use only HC counters
                $port_stats[$ifIndex]['ifHC' . $oid] = $port['if64' . $oid];
                $port_stats[$ifIndex]['if' . $oid]   = $port['if64' . $oid];
            }
        }
    }

    // Clean
    unset($netif_stat, $netport_stat, $netport, $netport_oid, $flags, $ifIndex, $port, $data_oids_netport, $oid);
}

// EOF