/**
* @param string $key The object KEY
* @param int $ttl The time to live in seconds of the object. Depends on implementation.
* @return object The Object
*/
public function get($key, $ttl = 0)
{
$log = LogHandler::getInstance();
if ($ttl === false) {
$log->info("[Shmop Cache] Ignored {$key} because TTL=FALSE");
return null;
}
if (CacheContext::getInstance()->getReset()) {
$log->info("[Shmop Cache] Failed to get {$key} because RESET=true");
return null;
}
if (CacheContext::getInstance()->getNoCache()) {
$log->info("[Shmop Cache] Failed to get {$key} because NOCACHE=true");
return null;
}
$fileKey = $this->getKeyId($key);
// Opened
$shm_id = @shmop_open($fileKey, "a", 0, 0);
if (!$shm_id) {
$log->info("[Shmop Cache] '{$key}' not exists");
return null;
}
$fileAge = filemtime($this->getFTok($key));
// Check
if ($ttl > 0 && intval(time() - $fileAge) > $ttl) {
$log->info("[Shmop Cache] File too old. Ignoring '{$key}'");
// Close old descriptor
shmop_close($shm_id);
// delete old memory segment
$shm_id = shmop_open($fileKey, "w", $this->getDefaultPermission(), $this->getMaxSize());
shmop_delete($shm_id);
shmop_close($shm_id);
return null;
}
$log->info("[Shmop Cache] Get '{$key}'");
$serialized = shmop_read($shm_id, 0, shmop_size($shm_id));
shmop_close($shm_id);
return unserialize($serialized);
}
/**
*
* @param string $key
* @param string $str
* @return bool
*/
public function append($key, $str)
{
$this->lazyLoadMemCachedServers();
$log = LogHandler::getInstance();
if (!CacheContext::getInstance()->getNoCache()) {
$log->info("[Memcached] Append '{$key}' in Memcached");
return $this->_memCached->append($key, $str);
} else {
$log->info("[Memcached] Not Set '{$key}' because NOCACHE=true");
}
return true;
}
/**
* @param string $key The object Key
* @param object $object The object to be cached
* @param int $ttl The time to live in seconds of this objects
* @return bool If the object is successfully posted
*/
public function append($key, $content, $ttl = 0)
{
$log = LogHandler::getInstance();
$fileKey = $this->fixKey($key);
if (!CacheContext::getInstance()->getNoCache()) {
$log->info("[Filesystem cache] Append '{$key}' in FileSystem");
try {
file_put_contents($fileKey, serialize($content), true);
} catch (Exception $ex) {
echo "<br/><b>Warning:</b> I could not write to cache on file '" . basename($key) . "'. Switching to nocache=true mode. <br/>";
}
} else {
$log->info("[Filesystem cache] Not Set '{$key}' because NOCACHE=true");
}
}
