Hi Stuart,

Thanks for getting back to me. I have some comments below:

You just read it as normal

I am assuming that by normal, you mean the

exchange.startBlocking() + (InputStream stream = exchange.getInputStream())

approach to read the input stream? But then what benefit we get here as compared to not using the RequestBufferingHandler and directly using this approach? Is the following loop (typically used in reading input stream) going to be much more efficient?:

while ((line = bufferedReader.readLine()) != null) {
    stringBuffer.append(line);
}

Regards

On Tue, Jul 3, 2018 at 6:34 AM Stuart Douglas <sdouglas@redhat.com> wrote:

You just read it as normal. The advantage is that if you are going to dispatch to a worker thread then the dispatch does not happen until the request has been read, thus reducing the amount of time a worker spends processing the request. Essentially this allows you to take advantage of non-blocking IO even for applications that use blocking IO, but at the expense of memory for buffering.

Stuart

On Mon, Jul 2, 2018 at 8:55 PM Girish Sharma <scrapmachines@gmail.com> wrote:
Hi,

I tried searching around in github/stackexchange but could not find anything related to RequestBufferingHandler.

I understand that RequestBufferingHandler would read the request body for me and then call the handler assigned as the next handler. But how does the next handler read the buffered request body?

Looking around the code of RequestBufferingHandler, I see that it adds an attachment to the exchange, but the key for that attachment is protected to the undertow package.

How can I read the value of that attachment? Or is there some other way to read the buffered request body?

PS: I know the alternate approach of reading request body i.e startBlocking + getInputStream and getRequestReceiver().receiveFullString , but I am interested in using the RequestBufferingHandler in particular.

--
Girish Sharma
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