/**
* Watch for incoming data.
*
* @param Connection $connection
*/
private function handleSocketEvents(Connection $connection)
{
$buffer = '';
$connection->getSocket()->on('data', function ($data) use(&$buffer, $connection) {
$buffer .= $data;
while (($newlinePosition = strpos($buffer, "\n")) !== false) {
$jsonMessage = substr($buffer, 0, $newlinePosition);
$buffer = substr($buffer, $newlinePosition + 1);
try {
$connection->setLastMessageReceivedAt(new \DateTime());
$message = $this->deserializer->deserialize(\Blackjack\json_parse($jsonMessage));
$connection->notify($message);
} catch (\Exception $e) {
// Invalid message
$connection->getSocket()->write(json_encode(['alias' => 'invalid_message']));
$connection->getSocket()->close();
return;
}
}
// Limit buffer to 1 MB
$bufferSizeLimit = 1024 * 1024;
if (strlen($buffer) > $bufferSizeLimit) {
$buffer = substr($buffer, strlen($buffer) - $bufferSizeLimit);
}
});
$connection->getSocket()->on('close', function () use($connection) {
$this->handlePlayerDisconnection($connection);
});
}