[Haskell-beginners] Still wrestling with lazy IO

[KC]

Hi:

I meant the network chapter.

How is what you're doing different than the network chapter?


On Sat, Jun 18, 2011 at 12:55 PM, Raphael Päbst
<raphael.paebst at googlemail.com> wrote:
> 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
>>
>



-- 
--
Regards,
KC