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

// DGS-3450
// AGENT-GENERAL-MIB::agentDRAMutilizationUnitID.0 = INTEGER: 0
// AGENT-GENERAL-MIB::agentDRAMutilizationTotalDRAM.0 = INTEGER: 262144 KB
// AGENT-GENERAL-MIB::agentDRAMutilizationUsedDRAM.0 = INTEGER: 174899 KB
// AGENT-GENERAL-MIB::agentDRAMutilization.0 = INTEGER: 66

// DES-3550, DES-3526, DES-3028 (and other Stacking switches)
// AGENT-GENERAL-MIB::agentDRAMutilizationUnitID.1 = INTEGER: 1
// AGENT-GENERAL-MIB::agentDRAMutilizationTotalDRAM.1 = INTEGER: 22495072 KB
// AGENT-GENERAL-MIB::agentDRAMutilizationUsedDRAM.1 = INTEGER: 12431462 KB
// AGENT-GENERAL-MIB::agentDRAMutilization.1 = INTEGER: 55

$mempool_array = snmpwalk_cache_oid($device, 'agentDRAMutilizationEntry', [], $mib);

foreach ($mempool_array as $index => $entry) {
    if (is_numeric($entry['agentDRAMutilizationUsedDRAM'])) {
        $descr     = ($index === 0 ? 'Memory' : 'Unit ' . $index);
        $used      = $entry['agentDRAMutilizationUsedDRAM'];
        $total     = $entry['agentDRAMutilizationTotalDRAM'];
        $precision = (strlen($total) > 7 ? 1 : 1024); // Stacking switches uses wrong units
        //$used     *= $precision;
        //$total    *= $precision;
        discover_mempool($valid['mempool'], $device, $index, 'AGENT-GENERAL-MIB', $descr, $precision, $total, $used);
    }
}

unset($mempool_array, $index, $descr, $precision, $total, $used);

// EOF