private boolean isCloseConnection(FullHttpRequest req) {
        String connStatus = req.headers().get(HttpHeaderNames.CONNECTION);
        if (connStatus == null) {
            return false;
        }
        connStatus = connStatus.trim();
        return connStatus.equalsIgnoreCase(HttpHeaderValues.CLOSE.toString());
    }
Get attributes from decoder

@param decoder the decode object
@param reqAttrs the attributes
inlong-dataproxy/dataproxy-source/src/main/java/org/apache/inlong/dataproxy/source/httpMsg/HttpMessageHandler.java