On Mon, Jul 07, 2014 at 05:48:46PM -0400, Eric Fortin wrote:
> > On Jun 26, 2014, at 7:19 AM, Sandeep Sastry <[email protected]> 
> > wrote:
> > Though there are some existing discussion related to the topic 
> > "Content-Length Vs Chunked Transfer Encoding" on various non-curl sites, I 
> > wanted to understand how it works with libcurl.
> > I am using curl in my client application and as part of the application, I 
> > show progress bar for upload and download activity. The old server used to 
> > send Content-Length header in the response to GET requests, consistently.
> > But now the new server, does not send Content-Length, but sends Chunked 
> > Transfer Encoding. This is breaking my progress functionality as I always 
> > get "0" for total download size. 
> > Is there a way for me to still get the progress bar going, though the 
> > server does not send Content-Length? Because when contacted the server 
> > guys, they told me they would no more be using Content-Length.
> 
> You might be able to do a HEAD request to get the file size and then infer 
> the progress based on the data you received while receiving the GET response. 

If a GET response doesn't include a Content-Length, it's extremely unlikely
that a HEAD request would. Usually, a chunked response is used when the
complete length simply isn't known ahead of time.

>>> Dan
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