function getRenderedIPv4NetCapacity($range)
{
$class = 'net-usage';
if (isset($range['addrc'])) {
// full mode
// $a is "aquamarine zone", $b is "gray zone"
$total = ip4_range_size($range);
// compute $a_total: own range size, without subranges
if (!isset($range['kidc']) or $range['kidc'] == 0) {
$a_total = $total;
} else {
$a_total = 0;
foreach ($range['spare_ranges'] as $mask => $spare_list) {
$a_total = bcadd($a_total, bcmul(count($spare_list), ip4_mask_size($mask)), 0);
}
}
$a_used = $range['own_addrc'];
$b_total = bcsub($total, $a_total, 0);
$b_used = $range['addrc'] - $a_used;
// generate link to progress bar image
$width = 100;
if ($total != 0) {
$px_a = round(bcdiv($a_total, $total, 4) * $width);
$px1 = round(bcdiv($a_used, $total, 4) * $width);
$px2 = $px_a - $px1;
$px3 = round(bcdiv($b_used, $total, 4) * $width);
if ($px3 + $px1 + $px2 > $width) {
$px3 = $width - $px1 - $px2;
}
} else {
$px1 = $px2 = $px3 = 0;
}
$title_items = array();
$title2_items = array();
if ($a_total != 0) {
$title_items[] = "{$a_used} / {$a_total}";
$title2_items[] = sprintf("%d%% used", bcdiv($a_used, $a_total, 4) * 100);
}
if ($b_total != 0) {
$title_items[] = ($b_used ? "{$b_used} / " : "") . $b_total;
$title2_items[] = sprintf("%d%% sub-allocated", bcdiv($b_total, $total, 4) * 100);
}
$title = implode(', ', $title_items);
$title2 = implode(', ', $title2_items);
$text = "<img width='{$width}' height=10 border=0 title='{$title2}' src='?module=progressbar4&px1={$px1}&px2={$px2}&px3={$px3}'>" . " <small class='title'>{$title}</small>";
} else {
// fast mode
$class .= ' pending';
addJS('js/net-usage.js');
$free_text = '';
if (isset($range['kidc']) and $range['kidc'] > 0) {
$free_masks = array_keys($range['spare_ranges']);
sort($free_masks, SORT_NUMERIC);
if ($mask = array_shift($free_masks)) {
$cnt = count($range['spare_ranges'][$mask]);
$free_text = ', ' . ($cnt > 1 ? "<small>{$cnt}x</small>" : "") . "/{$mask} free";
}
}
$text = ip4_range_size($range) . $free_text;
}
$div_id = $range['ip'] . '/' . $range['mask'];
return "<div class=\"{$class}\" id=\"{$div_id}\">" . $text . "</div>";
}
function getIPv4OwnRangeSize($range)
{
if (empty($range['spare_ranges'])) {
return ip4_range_size($range);
} else {
$ret = 0;
foreach ($range['spare_ranges'] as $mask => $spare_list) {
$ret += count($spare_list) * ip4_mask_size($mask);
}
return $ret;
}
}