[erlang-questions] Erlang and beam-based scripting languages.

Gordon Guthrie <>
Tue Sep 13 17:28:23 CEST 2011


We have some proof of concept Erlang/Ruby integration in our source base.

Essentially is uses the erlectricity gem to provide a message passing
interface between Erlang and Ruby.

The erlang shim starts a driver which it sends messages to. These messages
are unpacked and the 'applyied' to ruby functions which return values.

The returns are packed into a message and returned.

There is some details on it here:
http://www.rubyinside.com/erlang-ruby-bridge-its-erlectricity-487.html

We used it for a bit and then stopped. Dunno if it is still supported.

YMMV, price of shares can go down as well as up, terms and conditions apply,
etc, etc

G

On 13 September 2011 12:19, Max Lapshin <> wrote:

> Hi.
>
> I've written a letter several times to Santa Claus to have some easy
> Rails <-> erlang integration for my needs, but he seems to be too
> busy.
>
> So, my problem is: it is not convenient for me to write all customer
> logic in erlang, because it involves process of compiling and loading
> modules.
> Also, I would be very great to share the same file between web site
> and erlang daemon.
>
> It seems, that most developed beam-based language is elixir
> (https://github.com/josevalim/elixir ), but there are some erlang
> problems, that looks like blocking for
> have convenient scripting in erlang.
>
>
> I have erlyvideo server and it has config. There is option in config:
>
> {detectors, [rewrite, akamai, livestream]}.
>
> When user requests stream, media_provider takes this list of
> detectors, goes one by one and calls:
>
> case Module:check(Host, Name, Options) of
>   ..
>
> for each atom. Now we meet the problem. When I write  Module:check,
> code_server is loading module and it can load only .beam and .app
> files.
> If I have any way to hook inside with some code that will say: Hi, I
> know how to load this module, i think it will be easier to add simple
> non-compilable scripting to my app and have something like Java world
> have:  Ruby/Python classed mixed with "native" Java classes.
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> 
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>



-- 
Gordon Guthrie
CEO hypernumbers

http://hypernumbers.com
t: hypernumbers
+44 7776 251669
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