New Post: have http_response::body() return file backed stream

Hi,

I have to download very large files (4gb+) and also need to be able to cancel the request, which I am currently doing by reading the body chunks at a time and checking if a cancel event occurred before each read.

I have looked at using set_response_stream() but this does not provide any way to cancel the processing of the response, I have to way for all 4gb+ to be written to a file.

I would like to be able to have the response be written to a file which can be returned from http_response::body() as an istream. Is there a way to do this? If not do you have any suggestions on how to download large files and be able to cancel the request?

Thanks,
Ryan