/**
* @param string $queue
* @return QueueManager
*/
public function clearQueue($queue)
{
$this->redis->multi();
$this->redis->sRem(self::QUEUE_KEY, $queue);
$this->redis->lTrim($this->formatQueueKey($queue), 1, 0);
$this->redis->exec();
return $this;
}
/**
* @return bool
*/
public function close()
{
foreach ($this->ssIds as $key => $yes) {
$this->client->unlock($key);
}
$this->ssIds = array();
return TRUE;
}
/**
* @param array $keys
* @return array
*/
private function doMultiRead(array $keys)
{
$formatedKeys = array_map([$this, 'formatEntryKey'], $keys);
$result = [];
foreach ($this->client->send('mget', [$formatedKeys]) as $index => $stored) {
$key = $keys[$index];
$result[$key] = $stored !== FALSE ? self::processStoredValue($key, $stored) : NULL;
}
return $result;
}
/**
* @param string $id
* @return string
*/
protected function lock($id)
{
try {
$key = $this->formatKey($id);
$this->client->lock($key);
$this->ssIds[$id] = $key;
return $key;
} catch (LockException $e) {
throw new SessionHandlerException(sprintf('Cannot work with non-locked session id %s: %s', $id, $e->getMessage()), 0, $e);
}
}
/**
* @param string $key
* @throws LockException
*/
public function increaseLockTimeout($key)
{
if (!isset($this->keys[$key])) {
return FALSE;
}
if ($this->keys[$key] <= time()) {
throw LockException::durabilityTimedOut();
}
$oldTimeout = $this->client->getSet($this->formatLock($key), $timeout = $this->calculateTimeout());
if ((int) $oldTimeout !== (int) $this->keys[$key]) {
throw LockException::invalidDuration();
}
$this->keys[$key] = $timeout;
return TRUE;
}
/**
* @param string $key
* @throws LockException
*/
public function increaseLockTimeout($key)
{
if (!isset($this->keys[$key])) {
return FALSE;
}
if ($this->keys[$key] <= time()) {
throw new LockException("Process ran too long. Increase lock duration, or extend lock regularly.");
}
$oldTimeout = $this->client->getSet($this->formatLock($key), $timeout = $this->calculateTimeout());
if ((int) $oldTimeout !== (int) $this->keys[$key]) {
throw new LockException("Some rude client have messed up the lock duration.");
}
$this->keys[$key] = $timeout;
return TRUE;
}
/**
* @param string $tag
*
* @return array
*/
private function tagEntries($tag)
{
return $this->client->sMembers($this->formatKey($tag, self::KEYS)) ?: [];
}
/**
* Verify, that redis is installed, working and has the right version.
*/
public function beforeCompile()
{
$config = $this->getConfig($this->defaults);
if ($config['versionCheck'] && ($config['journal'] || $config['storage'] || $config['session'])) {
$client = new RedisClient($config['host'], $config['port'], $config['database'], $config['timeout'], $config['auth']);
$client->assertVersion();
$client->close();
}
}
/**
* Verify, that redis is installed, working and has the right version.
*/
public function beforeCompile()
{
foreach ($this->configuredClients as $config) {
if (!$config['versionCheck']) {
continue;
}
$client = new RedisClient($config['host'], $config['port'], $config['database'], $config['timeout'], $config['auth']);
$client->assertVersion();
$client->close();
}
}
