public function sendFrame(Frame $frame) : \Generator
{
if ($this->disconnected) {
throw new WebSocketException('Cannot send message to disconnected web socket');
}
if ($this->logger) {
$this->logger->debug('OUT <{id}> {frame}', ['id' => $this->id, 'frame' => (string) $frame]);
}
$this->time = time();
yield from $this->socket->write($frame->encode());
}
protected function sendFrame(Frame $frame) : \Generator
{
yield from $this->stream->write($frame->encode(random_bytes(4)));
}