/**
* Sends a message to the client
*
* @param mixed $message Message to send
*/
public function send($message)
{
if ($this->state == self::STATE_CLOSED) {
throw new Exception('Unable to send message, connection has been closed');
}
if (!is_string($message)) {
$message = json_encode($message);
}
$this->server->send($this->socket, $message);
}
