[web-devel] simple-sendfile v0.2.4

Jeremy Shaw jeremy at n-heptane.com
Mon Jun 25 04:10:44 CEST 2012

Ah I see now. Thanks! I will look at switching Happstack 8 to use
simple-sendfile. I have never liked the sendfile library much[1], and
would glad to be done with it forever.

- jeremy

[1] I am not the original author.

On Sun, Jun 24, 2012 at 8:58 PM, Kazu Yamamoto <kazu at iij.ad.jp> wrote:
>> How do you handle timeouts? If you use sendfile to send a large file
>> (such as a video download) and it takes longer than the warp timeout
>> period (30 seconds or something), won't warp kill the connection
>> thinking that the connection has hung and no progress is being made?
>> Or am I missing something?
> Haskell network library opens a socket with the non-blocking flag
> set. So, the sendfile syscall returns if there is not enough write
> buffer.  The sendfile function in simple-sendfile takes an IO function
> which is called when the sendfile syscall returns.  Warp resets
> timeout via the IO function.
> --Kazu
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