[Haskell-cafe] ANN: HTTPbis / HTTP-4000.x package available

Sigbjorn Finne sigbjorn.finne at gmail.com
Fri Jan 16 09:42:06 EST 2009


Thanks Jeff,

regarding having to use both HTTP and cURL -- or perhaps only
the latter for code simplicitly -- that will probably remain the case for
quite a while still. To help with that situation,  I put together an 
over-arching
'webclient' library that abstracts over the transport layers (HTTP, curl,
curl-shell) giving you an API that's consistent across backends.
I could release that at some point if there's sufficient interest..
It also adds WebDAV support.

Re: curl - as an author of the 'curl' package, I'm also keen on finding
ways of making that better -- both in terms of using the underlying lib
functionality and API on the Haskell side. Suggestions/contribs most
welcome.

Ditto for HTTP too, of course :)

--sigbjorn

On 1/16/2009 05:47, Jeff Heard wrote:
> Just as a reported speedup, downloading a 5MB file from my own local
> machine (via http) went from 1.05 secs to 0.053 secs.  Yes, it's
> really an order of magnitude better.  Performance now is on par or
> slightly better than cURL (however to get more protocols than HTTP,
> you'll still need the ubiquitous cURL library)
>
> On Fri, Jan 16, 2009 at 1:36 AM, Sigbjorn Finne
> <sigbjorn.finne at gmail.com> wrote:
>   
>> Hi,
>>
>> I guess it's time to publish more widely the availability of a modernization
>> of
>> the venerable and trusted HTTP package, which I've been working on
>> off&on for a while.
>>
>> Bunch of changes, but the headline new feature of this new version
>> is the parameterization of the representation of payloads in both HTTP
>> requests and responses. Two new representations are supported, strict and
>> lazy
>> ByteStrings. Some people have reported quietly pleasing speedups as a result
>> of this change. (If they want to report numbers, please do..)
>>
>> Another change/fix in this release is the _alleged_ fix to the long-standing
>> bug
>> in the use of  absolute URIs vs absolute paths in requests (for non-proxied
>> and
>> proxied use.) Give it a go..
>>
>> Notice that the HTTP-4000.x version will require you to make some
>> modifications to your existing HTTP-using code -- I've tried to keep the API
>> backwards compatible minimal despite the change in functionality and
>> underlying types. If you do not want to deal with this right away, please
>> introduce a <4000 dependency on the HTTP package in your .cabal files.
>>
>> I've also taken on the maintainership of the package, with the highly
>> esteemed
>> Bjorn Bingert no longer having the usual abundance of cycles to look after
>> it (hope I'm not misrepresenting facts here, Bjorn!) However, I've yet to
>> gain access to  www.haskell.org and update http://www.haskell.org/http,
>> so for now you may pick up a new version the lib via
>>
>>  http://hackage.haskell.org/cgi-bin/hackage-scripts/package/HTTP
>>
>> GIT repo for HTTP-4000  / HTTPbis is here
>>
>>   git://code.galois.com/HTTPbis.git
>>
>> enjoy
>> --sigbjorn
>>
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