/**
* Updates the cache.
*/
public function save()
{
foreach ($this->_update as $mbox => $val) {
try {
if (!empty($val['u'])) {
$ptr =& $this->_data[$mbox];
foreach ($this->_getMsgCids($mbox, array_keys($val['u'])) as $k2 => $v2) {
try {
$this->_hash->set($v2, $this->_pack->pack($ptr[$k2]), array('expire' => $this->_params['lifetime']));
} catch (Horde_Pack_Exception $e) {
$this->deleteMsgs($mbox, array($v2));
$val['d'][] = $v2;
}
}
}
if (!empty($val['d'])) {
$this->_hash->delete(array_values($this->_getMsgCids($mbox, $val['d'])));
}
if (!empty($val['m'])) {
try {
$this->_hash->set($this->_getCid($mbox), $this->_pack->pack($this->_mbox[$mbox]), array('expire' => $this->_params['lifetime']));
} catch (Horde_Pack_Exception $e) {
}
}
} catch (Horde_Exception $e) {
}
}
$this->_update = array();
}
/**
* Do garbage collection for session tracking information.
*/
public function trackGC()
{
$this->_hash->lock($this->_trackID);
if ($ids = $this->_getTrackIds()) {
$alter = false;
foreach (array_keys($ids) as $key) {
if (!$this->_hash->exists($key)) {
unset($ids[$key]);
$alter = true;
}
}
if ($alter) {
$this->_hash->set($this->_trackID, json_encode($ids));
}
}
$this->_hash->unlock($this->_trackID);
}
/**
*/
public function set($key, $data, $lifetime = 0)
{
$opts = array_filter(array('expire' => $lifetime));
$this->_hash->set($this->_getKey($key), $data, $opts);
$this->_hash->set($this->_getKey($key, true), time(), $opts);
}
