Example #1
0
/**
 * Determine useful information about RRD file
 * @file Name of RRD file to analyse
 * @return Array describing the RRD file
 */
function rrd_info($file)
{
    $info = array('filename' => $file);
    $rrd = popen(RRDTOOL . ' info ' . escapeshellarg($file), 'r');
    if ($rrd) {
        while (($s = fgets($rrd)) !== false) {
            $p = strpos($s, '=');
            if ($p === false) {
                continue;
            }
            $key = trim(substr($s, 0, $p));
            $value = trim(substr($s, $p + 1));
            if (strncmp($key, 'ds[', 3) == 0) {
                /* DS definition */
                $p = strpos($key, ']');
                $ds = substr($key, 3, $p - 3);
                if (!isset($info['DS'])) {
                    $info['DS'] = array();
                }
                $ds_key = substr($key, $p + 2);
                if (strpos($ds_key, '[') === false) {
                    if (!isset($info['DS']["{$ds}"])) {
                        $info['DS']["{$ds}"] = array();
                    }
                    $info['DS']["{$ds}"]["{$ds_key}"] = rrd_strip_quotes($value);
                }
            } else {
                if (strncmp($key, 'rra[', 4) == 0) {
                    /* RRD definition */
                    $p = strpos($key, ']');
                    $rra = substr($key, 4, $p - 4);
                    if (!isset($info['RRA'])) {
                        $info['RRA'] = array();
                    }
                    $rra_key = substr($key, $p + 2);
                    if (strpos($rra_key, '[') === false) {
                        if (!isset($info['RRA']["{$rra}"])) {
                            $info['RRA']["{$rra}"] = array();
                        }
                        $info['RRA']["{$rra}"]["{$rra_key}"] = rrd_strip_quotes($value);
                    }
                } else {
                    if (strpos($key, '[') === false) {
                        $info[$key] = rrd_strip_quotes($value);
                    }
                }
            }
        }
        pclose($rrd);
    }
    return $info;
}
function rrdtool_file_info($file)
{
    $info = array('filename' => $file);
    $rrd = array_filter(explode(PHP_EOL, shell_exec($GLOBALS['config']['rrdtool'] . " info " . $file)), 'strlen');
    if ($rrd) {
        foreach ($rrd as $s) {
            $p = strpos($s, '=');
            if ($p === false) {
                continue;
            }
            $key = trim(substr($s, 0, $p));
            $value = trim(substr($s, $p + 1));
            if (strncmp($key, 'ds[', 3) == 0) {
                /* DS definition */
                $p = strpos($key, ']');
                $ds = substr($key, 3, $p - 3);
                if (!isset($info['DS'])) {
                    $info['DS'] = array();
                }
                $ds_key = substr($key, $p + 2);
                if (strpos($ds_key, '[') === false) {
                    if (!isset($info['DS']["{$ds}"])) {
                        $info['DS']["{$ds}"] = array();
                    }
                    $info['DS']["{$ds}"]["{$ds_key}"] = rrd_strip_quotes($value);
                }
            } else {
                if (strncmp($key, 'rra[', 4) == 0) {
                    /* RRD definition */
                    $p = strpos($key, ']');
                    $rra = substr($key, 4, $p - 4);
                    if (!isset($info['RRA'])) {
                        $info['RRA'] = array();
                    }
                    $rra_key = substr($key, $p + 2);
                    if (strpos($rra_key, '[') === false) {
                        if (!isset($info['RRA']["{$rra}"])) {
                            $info['RRA']["{$rra}"] = array();
                        }
                        $info['RRA']["{$rra}"]["{$rra_key}"] = rrd_strip_quotes($value);
                    }
                } else {
                    if (strpos($key, '[') === false) {
                        $info[$key] = rrd_strip_quotes($value);
                    }
                }
            }
        }
    }
    return $info;
}