pnp4nagios/share/pnp/application/helpers/pnp.php

<?php

// phpcs:disable PSR1.Classes.ClassDeclaration.MissingNamespace
// phpcs:disable PSR1.Files.SideEffects
defined('SYSPATH') or die('No direct access allowed.');
// phpcs:enable PSR1.Files.SideEffects
// phpcs:disable Squiz.Classes.ValidClassName.NotCamelCaps

/**
*
*
*/
class pnp_Core
{
    public static function clean($string = false)
    {
        if ($string === false) {
            return;
        }
        if ($string == "") {
            return $string;
        }
        $string = preg_replace('/[ :\/\\\]/', "_", $string);
        $string = htmlspecialchars($string);
        return $string;
    }
    public static function shorten($string = false, $length = 25)
    {
        if ($string === false) {
            return;
        }
        if (strlen($string) > $length) {
            $string = substr($string, 0, $length) . "...";
        }
        return $string;
    }
    /*
    *
    */
    public static function xml_version_check($string = false)
    {
        if ($string === false) {
            return false;
        }
        if ($string == XML_STRUCTURE_VERSION) {
            $string = "valid";
        } else {
            $string = Kohana::lang('error.xml-structure-mismatch', $string, XML_STRUCTURE_VERSION);
        }
        return $string;
    }
    /*
    *
    */
    public static function zoom_icon($host, $service, $start, $end, $source, $view, $graph_width, $graph_height)
    {
        $service = urlencode(urlencode($service));
        $host = urlencode(urlencode($host));
        print "<a href=\"javascript:Gzoom('" . url::base(true) .
            "zoom?host=$host&srv=$service&view=$view&source=$source&end=$end&start=$start" .
            "&graph_width=$graph_width&graph_height=$graph_height');\" title=\"Zoom into the Graph\"><img src=\"" .
            url::base() . "media/images/zoom.png\"></a>\n";
    }

    /*
    *
    */
    public static function zoom_icon_special($tpl, $start, $end, $source, $view, $graph_width, $graph_height)
    {
        print "<a href=\"javascript:Gzoom('" . url::base(true) .
            "zoom?tpl=$tpl&view=$view&source=$source&end=$end&start=$start" .
            "&graph_width=$graph_width&graph_height=$graph_height');\" title=\"Zoom into the Graph\">" .
            "<img src=\"" . url::base() . "media/images/zoom.png\"></a>\n";
    }

    /*
    *
    */
    public static function add_to_basket_icon($host, $service, $source = false)
    {
        if ($source === false) {
            print "<span id=\"basket_action_add\"><a title=\"" .
                Kohana::lang('common.basket-add-service') .
                "\" id=\"" . $host . "::" . $service .
                "\"><img width=12px height=12px src=\"" .
                url::base() . "media/images/add.png\"></a></span>\n";
        } else {
            print "<span id=\"basket_action_add\"><a title=\"" .
                Kohana::lang('common.basket-add-item') .
                "\" id=\"" . $host . "::" . $service . "::" .
                $source . "\"><img width=16px height=16px src=\"" .
                url::base() . "media/images/add.png\"></a></span>\n";
        }
    }

    /*
    *
    */
    public static function multisite_link($base_url = false, $site = false, $host = false, $service = false)
    {
        if ($host && $service) {
            $link = sprintf("'%s/view.py?view_name=service&site=%s&host=%s&service=%s'", $base_url, $site, urlencode($host), urlencode($service));
            return $link;
        }
        if ($host) {
            $link = sprintf("'%s/view.py?view_name=host&site=%s&host=%s'", $base_url, $site, urlencode($host));
            return $link;
        }
    }

    public static function addToUri($fields = array(), $base = true)
    {
        if (!is_array($fields)) {
            return false;
        }
        $get = $_GET;
        if ($base === true) {
            $uri  = url::base(true);
            $uri .= Router::$current_uri;
        } else {
            $uri  = "";
        }
        $uri .= '?';
        foreach ($fields as $key => $value) {
            $get[$key] = $value;
        }
        foreach ($get as $key => $value) {
            if ($value === '') {
                continue;
            }
            $uri .= $key . "=" . urlencode($value) . "&";
        }
        return rtrim($uri, "&");
    }

    /* "normalize" and adjust value / unit (similar to format string %s in RRDtool)
    *  Parameters in:
    *     value    := number, maybe suffixed by unit string
    *                 examples: 1234, 1.234, 1234M, 1234Kb
    *     base     := base of value (1000, e.g. traffic or 1024, e.g. disk size)
    *     format   := format string
    *  Parameters out:
    *     val_unit := formatted value (including unit)
    *     val_fmt  := formatted value (without leading blanks and unit)
    *     unit     := adjusted unit
    *     divisor  := number used to "normalize" value
    */
    public static function adjust_unit($value, $base = 1000, $format = '%.3lf')
    {
        preg_match('/^(-?[0-9\.,]+)\s*(\S?)(\S?)/', $value, $matches);

        $mag = 0;
        $value = $matches[1];
        while ($value >= $base) {
            $value /= $base;
            $mag++;
        }
        $pos = 0;
        if ($matches[2] == "%") {
            $unit = '%';
        } else {
            if ($matches[2] == "") {
                $matches[2] = " ";
            }
            if (($matches[2] == "B") or ($matches[2] == "b")) {
                $matches[3] = $matches[2];
                $matches[2] = " ";
            }
            $pos = strpos(' KMGTP', strtoupper($matches[2]));
            $unit = substr(' KMGTP', $mag + $pos, 1) . $matches[3];
        }
        $val_unit = sprintf("$format %s", $value, $unit);
        $val_fmt = sprintf($format, $value);
        $val_fmt = str_replace(' ', '', $val_fmt);
        return array ($val_unit,$val_fmt,$unit,pow($base, $mag));
    }

    public static function print_version()
    {
        return PNP_NAME . "-" . PNP_VERSION . " [ " .  PNP_REL_DATE  . " ]";
    }
}