librenms-librenms/includes/html/pages/routing.inc.php

<?php

$pagetitle[] = 'Routing';

if ($_GET['optb'] == 'graphs' || $_GET['optc'] == 'graphs') {
    $graphs = 'graphs';
} else {
    $graphs = 'nographs';
}

$user = Auth::user();
$routing_count = \LibreNMS\Util\ObjectCache::routing();
// $datas[] = 'overview';
// $routing_count is populated by print-menubar.inc.php
// $type_text['overview'] = "Overview";
$type_text['bgp'] = 'BGP';
$type_text['cef'] = 'CEF';
$type_text['mpls'] = 'MPLS';
$type_text['ospf'] = 'OSPF';
$type_text['isis'] = 'ISIS';
$type_text['vrf'] = 'VRFs';
$type_text['cisco-otv'] = 'OTV';

print_optionbar_start();

// if (!$vars['protocol']) { $vars['protocol'] = "overview"; }
echo "<span style='font-weight: bold;'>Routing</span> &#187; ";

$vars['protocol'] = basename($vars['protocol']);
$sep = '';
foreach ($routing_count as $type => $value) {
    if (! $vars['protocol']) {
        $vars['protocol'] = $type;
    }

    echo $sep;
    $sep = '';

    if ($vars['protocol'] == $type) {
        echo '<span class="pagemenu-selected">';
    }

    if ($routing_count[$type]) {
        echo generate_link($type_text[$type] . ' (' . $routing_count[$type] . ')', ['page' => 'routing', 'protocol' => $type]);
        $sep = ' | ';
    }

    if ($vars['protocol'] == $type) {
        echo '</span>';
    }
}//end foreach

print_optionbar_end();

switch ($vars['protocol']) {
    case 'overview':
    case 'bgp':
    case 'vrf':
    case 'cef':
    case 'mpls':
    case 'ospf':
    case 'isis':
    case 'cisco-otv':
        include 'includes/html/pages/routing/' . $vars['protocol'] . '.inc.php';
        break;

    default:
        echo report_this('Unknown protocol ' . $vars['protocol']);
        break;
}