mirage/ocaml-cohttp

Very lightweight HTTP server using Lwt or Async

Rudi Grinberg

@rgrinberg

Eyal Sela

@EyalSel

Perfect, thank you

I'm rusty on async

but it worked, many thanks

Rudi Grinberg

@rgrinberg

:+1:

Ilja Sidoroff

@isido

I'm just getting familiar with cohttp and I'm trying to make a simple GET request like this:

let get_uri uri_str = Cohttp_async.Client.get @@ Uri.of_string uri_str >>= fun (_, body) -> Cohttp_async.Body.to_string body

It works for http, but not for https, where I get exception: Exception: Async_kernel.Monitor.Error_ _.

It has something to do with ssl_config -parameter, perhaps?

Anton Kulaga

@antonkulaga

Hi all! I wonder, has anybody succeeded running ocaml-http on windows?

Ilja Sidoroff

@isido

Never mind, I noticed someone answered that already above. I still cannot get it to work though, but probably just missing some require.

Rudi Grinberg

@rgrinberg

@isido do you have async_ssl installed?

Ilja Sidoroff

@isido

@rgrinberg I have. Perhaps it has something to do with conduit or underlying SSL/TLS implementations. Or do I need to #require more than "cohttp.async"?

Anton Kulaga

@antonkulaga

So, has anybody managed to build and run ocaml-http for windows?

Eyal Sela

@EyalSel

Hi, is anyone here?

Eyal Sela

@EyalSel

@rgrinberg are you around?

Eyal Sela

@EyalSel

trying one more time

anyone around?

Anil Madhavapeddy

@avsm

@antonkulaga yes windows should work fine with cygwin as far as I know

Anton Kulaga

@antonkulaga

@avsm last time I had issues building a project with it from windows. I do not have windows at home so I cannot check now

Manas

@prometheansacrifice

Hey everyone. I just got started with OCaml and was trying out cohttp. In the example, I could not understand >|= operator in the server example

  body |> Cohttp_lwt_body.to_string >|= (fun body ->
    (Printf.sprintf "Uri: %s\nMethod: %s\nHeaders\nHeaders: %s\nBody: %s"
                    uri meth headers body))

I know this is no place for discussing OCaml syntax, but any help would be appreciated.

Rudi Grinberg

@rgrinberg

x >|= f is equivalent to Lwt.map f x. It's not special syntax, just an operator defined in the Lwt.Infix module.

Sergei Lebedev

@superbobry

Is there an easy way to log all incoming requests with cohttp? Ofc I could just do it manually, but maybe there's something builtin?

Sergei Lebedev

@superbobry

And an unrelated question: are the API docs hosted somewhere? Update: found them by looking at the Makefile. Could you link to them in the README? http://mirage.github.io/ocaml-cohttp

Pavel Argentov

@argent-smith

Hello ppl. Q: when does Cohttp_lwt_unix.get close the connected socket?

Rudi Grinberg

@rgrinberg

once it gets the response and reads the entire body.

Pavel Argentov

@argent-smith

‘cause i have a quite simple lwt tail-recursive «loop» GETting responses and it looks like all the handles are kept open in CLOSE_WAIT state.

Pavel Argentov

@argent-smith

found drain_body. resolved )

Ciaran Courtney

@ciarancourtney

Hi, I'm writing my masters thesis on benchmarking various unikernel HTTP servers. When I try build the basic HTTP server from here https://github.com/mirage/ocaml-cohttp#basic-server-tutorial I get the error
``

ocamlfind: Packagecohttp-lwt-unix' not found
Cannot run Ocamlfind.`

I'm using the latest Ocaml/mirage on ubuntu 16.04

Ciaran Courtney

@ciarancourtney

OK resolved that by installing the package

But now I just get Circular build detected (server.cmi already seen in [ server.cmi ])

Ciaran Courtney

@ciarancourtney

Notwithstanding the previous issues, is there something backwards incompatible with the network based mirage-skeleton examples with the latest release of mirage? mirage/mirage-skeleton#234

Ciaran Courtney

@ciarancourtney

Resolved Circular build detected (server.cmi already seen in [ server.cmi ]) issue above, renaming server_example.ml to server.ml caused the issue

Rauan Mayemir

@rauanmayemir

hey everyone. is there an example of a client consuming a stream and parsing chunks?

Simon Grondin

@SGrondin

@rauanmayemir https://github.com/newque/newque/blob/master/src/general/util.ml#L37-L44

Rauan Mayemir

@rauanmayemir

@SGrondin hey man, thanks. think i'm gonna check out the whole lib

Simon Grondin

@SGrondin

It's not ready for prime time, it's still in development

Rauan Mayemir

@rauanmayemir

as a newbie, i still can't make sense of that code

Qian Huang

@q-hwang

Hi! Does anyone know how to resolve the error: Fatal error: exception (Failure "No SSL or TLS support compiled into Conduit")?

Fabian

@copy

@q-hwang Most likely opam install lwt_ssl or opam show async_ssl depending on your choice of async framework

Qian Huang

@q-hwang

@copy Got it, thanks!

FofeuLabs

@FofeuLabs

Hello, has cohttp support for OAuth 1.0 ? If not, is there a recommended library ?

Marcos Oliveira

@vmarcosp

hy guys i'm trying to make a request using Cohttp, but the uri that I trying to make the request is not using https and when I get the body of this page and parse to string its an empty string :/ am i doing something wrong?

my code

the run function

JHZheng

@zjhmale

hi guys, how can I setup http proxy host and port for cohttp client?

keerthi

@Keerthana-Jayakumaran

Hi, when i try to run the command "irmin clone -s git $GIT_REPO_URL" , I am getting error as "ERROR: No SSL or TLS support compiled into Conduit" could anyone help me ?

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