buf.setLength(0);
buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
buf.append("===================================\r\n");
buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n");
buf.append("HOSTNAME: ").append(request.headers().get(HOST, "unknown")).append("\r\n");
buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n");
HttpHeaders headers = request.headers();
if (!headers.isEmpty()) {