[Haskell-beginners] Still wrestling with lazy IO

[Raphael Päbst]

If you mean the network chapter, then I have read this and in fact
taken most of the code for the TCP server from there.

If you mean another, then please tell me which one.

On 6/18/11, KC <kc1956 at gmail.com> wrote:
> There is a chapter on this in the book "Real World Haskell" which I
> believe is also online. :)
>
>
> On Sat, Jun 18, 2011 at 12:37 PM, Raphael Päbst
> <raphael.paebst at googlemail.com> wrote:
>> I am currently using line buffering and I tried hFlush on both server
>> and client side so far.
>>
>> On 6/18/11, Antoine Latter <aslatter at gmail.com> wrote:
>>> On Sat, Jun 18, 2011 at 1:01 PM, Raphael Päbst
>>> <raphael.paebst at googlemail.com> wrote:
>>>> Hey everyone!
>>>> Sorry for asking more or less the same question again, but I'm still
>>>> stuck wrestling with lazy IO.
>>>> What I'm trying to do is the following:
>>>>
>>>> sending a Bytestring to a server, via TCP
>>>> Do stuff with the Bytestring that results in another Bytestring
>>>> Send that new Bytestring back to the original client.
>>>>
>>>> At the moment this all happens inside an IO handle and doesn't work.
>>>> The stuff on the server side only gets executed, once the handle is
>>>> closed on the client's side and therefore the response is lost
>>>> somewhere.
>>>>
>>>
>>> Have you looked at how you're buffering the handles? Have you
>>> experimented with changing the buffering mode or using the hFlush
>>> function?
>>>
>>> Antoine
>>>
>>>> It's a very simple program otherwise and so I don't want to get too
>>>> much into iteratees, iterators and that stuff, since it feels like
>>>> overkill.
>>>>
>>>> Is there a way to get this working in the way I'm currently trying?
>>>> Or can I do this in a strict way?
>>>>
>>>> Thanks again
>>>>
>>>> Raf
>>>>
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>>>
>>
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>
>
>
> --
> --
> Regards,
> KC
>