case 'cache':
if ($var['fsState']=='Stopped') {
foreach ($disks as $disk) {if ($disk['type']=='Cache') array_offline($disk);}
echo "<tr class='tr_last'><td><img src='/webGui/images/sum.png' class='icon'>Slots:</td><td colspan='9'>".cache_slots()."</td><td></td></tr>";
echo "<tr><td colspan='10'></td><td></td></tr>";
} else {
foreach ($disks as $disk) {if ($disk['type']=='Cache') array_online($disk);}
if ($display['total'] && $var['cacheSbNumDisks']>1) show_totals("Pool of ".my_word($var['cacheNumDevices'])." devices");
}
break;
case 'open':
$status = isset($confirm['preclear']) ? '' : '_NP';
foreach ($devs as $dev) {
$dev['name'] = 'preclear';
$dev['color'] = read_disk($dev['device'], 'color');
$dev['temp'] = read_disk($dev['device'], 'temp');
$dev['status'] = $status;
echo "<tr>";
echo "<td>".device_info($dev)."</td>";
echo "<td>".device_desc($dev)."</td>";
echo "<td>".my_temp($dev['temp'])."</td>";
if (file_exists("/tmp/preclear_stat_{$dev['device']}")) {
$text = exec("cut -d'|' -f3 /tmp/preclear_stat_{$dev['device']} | sed 's:\^n:\<br\>:g'");
if (strpos($text,'Total time')===false) $text = 'Preclear in progress... '.$text;
echo "<td colspan='8' style='text-align:right'><em>$text</em></td>";
} else
echo "<td colspan='8'></td>";
echo "</tr>";
}
break;
case 'parity':
function cache_or_disk($keyword, $backing_file, $cache_keys)
{
// fb("cache_or_disk({$keyword}, {$backing_file}, ...");
// fb($cache_keys, "cache_keys");
$known_keywords = array('objects', 'status', 'perms');
if (!in_array($keyword, $known_keywords)) {
// XXX do something better
die("Unknown keyword '{$keyword}'");
}
$useAPC = useAPC();
$start_time = microtime(TRUE);
$array = NULL;
//fb($keyword, "doing cache_or_disk($keyword)");
if ($useAPC) {
//fb(apc_cache_info(), "apc cache info");
$read_file = cache_needs_update($keyword, $backing_file);
$cacheFail = FALSE;
$success = FALSE;
if (!$read_file) {
// Loop through each variables cached value. If a read fails note it and
// read from disk
foreach ($cache_keys as $key) {
$array[$key] = apc_fetch($key, $success);
if (!$success) {
$cacheFail = TRUE;
//fb("Cache Fail for key {$key}!");
break;
}
}
if (!$cacheFail) {
// Every key was found in cache
//fb("$keyword data from cache!");
}
}
}
// The cache is not enabled or
// the cache is enabled and of the following three conditions occurred
// There was a cache miss
// The data file is newer than the cached version
if (!$useAPC || !$success || $read_file || $cacheFail) {
$array = read_disk($keyword, $cache_keys);
if ($useAPC) {
//foreach($cache_keys as $key) {
foreach (array_keys($array) as $key) {
apc_store($key, $array[$key]);
}
apc_store('last_' . $keyword . '_read', time());
//fb('stored keys to cache');
}
//fb("$keyword data from disk!");
}
$end_time = microtime(TRUE);
//fb($end_time - $start_time, "Elapsed load time {$end_time} - {$start_time}");
return $array;
}
