/**
* Get invalid devices
*
* @return array|Device[]
*
* @throws Exception\ConnectionUndefinedException
*/
public function getInvalidDevices()
{
if (!$this->connection) {
throw new Exception\ConnectionUndefinedException();
}
if (!$this->connection->is()) {
if ($this->logger) {
$this->logger->debug('Create feedback connection...');
}
$this->connection->create();
}
$data = $this->connection->read(-1);
$this->connection->close();
$feedback = array();
if ($data) {
foreach (str_split($data, 38) as $deviceData) {
$feedback[] = new Device($deviceData);
}
}
if ($this->logger) {
$this->logger->info(sprintf('%d device tokens received from feedback service.', count($feedback)));
}
return $feedback;
}
/**
* Write payload data to connection
*
* @param string $payload
*
* @return bool
*/
private function writePayload($payload)
{
return strlen($payload) === $this->connection->write($payload, strlen($payload));
}
