<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     poller
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2023 Observium Limited
 *
 */

// We use and parse -v because -rfull does not supply info about uncorrected errrors.

// mc0: 0 Uncorrected Errors with no DIMM info
// mc0: 0 Corrected Errors with no DIMM info
// mc0: csrow0: 0 Uncorrected Errors
// mc0: csrow0: CPU#0Channel#1_DIMM#0: 0 Corrected Errors

// mc0: 0 Uncorrected Errors with no DIMM info
// mc0: 11 Corrected Errors with no DIMM info
// mc0: csrow0: 1 Uncorrected Errors
// mc0: csrow0: ch0: 4 Corrected Errors
// mc0: csrow0: ch1: 0 Corrected Errors

if ($agent_data['edac'] != '') {
    echo('EDAC ');

    foreach (explode("\n", $agent_data['edac']) as $line) {
        [$mc, $data] = explode(': ', $line, 2);
        // mc0: 0 Uncorrected Errors with no DIMM info
        if (preg_match("/^(.*) Uncorrected Errors with no DIMM info$/", $data, $matches)) {
            $edac[$mc]['row']['unknown']['all']['ue'] = $matches[1];
        } // mc0: 0 Corrected Errors with no DIMM info
        elseif (preg_match("/^(.*) Corrected Errors with no DIMM info$/", $data, $matches)) {
            $edac[$mc]['row']['unknown']['all']['ce'] = $matches[1];
        } // mc0: csrow0: 0 Uncorrected Errors
        elseif (preg_match("/^csrow(.*): (.*) Uncorrected Errors$/", $data, $matches)) {
            $edac[$mc]['row'][$matches[1]]['all']['ue'] = $matches[2];
        } // mc0: csrow0: CPU#0Channel#1_DIMM#0: 0 Corrected Errors
        elseif (preg_match("/^csrow(.*): (.*): (.*) Corrected Errors$/", $data, $matches)) {
            $edac[$mc]['row'][$matches[1]][$matches[2]]['ce']    = $matches[3];
            $edac_name[$mc]['rowname'][$matches[1]][$matches[2]] = $matches[2];
        }
    }

    set_dev_attrib($device, 'edac_rownames', serialize($edac_name));

    $graphs['edac_errors'] = TRUE;

    foreach ($edac as $mc => $data) {
        foreach ($data['row'] as $row => $channels) {
            foreach ($channels as $channel => $errors) {
                foreach (['ce', 'ue'] as $errortype) {
                    if (isset($errors[$errortype])) {
                        $row_id = ($row === 'unknown' ? 'unknown' : "csrow$row"); // Yes, ===, otherwise PHP thinks unknown means 0.
                        rrdtool_update_ng($device, 'edac-errors', ['errors' => $errors[$errortype]], "$mc-$row_id-$channel-$errortype");
                    }
                }
            }
        }
    }
} else {
    // No more EDAC app; remove row names from DB
    del_dev_attrib($device, 'edac_rownames');
}

unset($edac, $edac_name);

// EOF