protected function sendRequestLine(StreamInterface $stream, HttpRequest $request)
{
$uri = $request->getUri();
$buffer = $uri->getPath();
if ($buffer === '' || substr($buffer, 0, 1) != '/') {
$buffer = '/' . $buffer;
}
if ('' !== ($query = $buffer->getQueryString())) {
$buffer .= '?' . $query;
}
$stream->write(sprintf("%s %s %s\r\n", $request->getMethod(false), $buffer, $request->getProtocol()));
}