[erlang-questions] integrating nodejs with erlang code

Joe Armstrong <>
Wed Apr 10 21:17:57 CEST 2013


Robert never jokes about implementing languages :-)

/Joe


On Wed, Apr 10, 2013 at 9:07 PM, Henning Diedrich <>wrote:

> Maybe use that tip, Aman, if that's what Dave found to make sense.
>
> I understood Robert as half-ways joking. Implementing other languages in
> Erlang is what he does himself, for the fun of it. See LFE and Luerl.
>
> And Joe was illustrating the lesson that you should never optimize more
> than you need, what's more: not before you know what (more) you need.
>
> Henning
>
>
> On Apr 10, 2013, at 8:56 PM, Dave Smith <> wrote:
>
> There is "most efficient" and "pragmatic".
>
> My "pragmatic" suggestion would be to run nodejs as a port (e.g.
> open_port) and use stdio to interact with it. Then you can let Erlang
> supervise a pool of nodejs VMs. If you want to be fancy, you can implement
> a ping/pong protocol for detecting when the nodejs system has gone off the
> deep end chasing down endless chains of callbacks. :)
>
> I may or may not have had to do this recently. :)
>
> D.
>
>
> On Mon, Apr 8, 2013 at 9:37 AM, aman mangal <>wrote:
>
>>
>> Hi,
>>
>> What is the most efficient way to pass events/data from erlang processes
>> to nodejs and vice versa? Setting up a tcp socket may be slower or
>> inefficient. I was thinking of doing something native. Both erlang and
>> nodejs provide libraries(NIF) to call C functions but none of them provide
>> an efficient implementation for calling erlang/nodejs functions from C or
>> C++ as far as I know. Please suggest some ideas!
>>
>> Thanks in advance.
>>
>> Aman Mangal
>> 3rd year Undergraduate
>> Department of Computer Science & Engineering
>> IIT Bombay
>> www.cse.iitb.ac.in/~amanmangal
>>
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>> 
>> http://erlang.org/mailman/listinfo/erlang-questions
>>
>>
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