[erlang-questions] Who called my gen_server?

Frank Muller <>
Thu Apr 27 09:49:28 CEST 2017


Hi Andreas,

No I didn't know that issue with "rpc".

But is switching to a different solution as you mentioned (gproc, etc.)
will help me solve "the who's calling me"?

/Frank

Schultz<> wrote :

> Hi,
>
> ----- On Apr 24, 2017, at 5:43 PM, Frank Muller <
> > wrote:
>
> Hi guys,
>
> I've two connected nodes: N1, N2.
>
> N1 is mine and I've a gen_server running on it.
> N2 is external and doesn't belong to me.
>
> A process on N2 is calling my gen_server (on N1) via an rpc:call.
>
>
> You do know that the rpc server is exactly one process per Erlang
> node. Pushing to many calls through it will degrade performance.
>
> If you have any influence on the design of node N2, change it to call
> your N1 gen_server directly without the intermediate rpc process.
>
> You could either register your server with a global name, use another
> global registry (e.g. gproc), or a myriad of other ways to reach your
> gen_server without the rpc module.
>
> That way, `From` in the handle_call method will contain the PID of
> the caller.
>
> Andreas
>
>
> Is there a way to know the Pid of that process?
> Or, can I log all rpc_call(s) calling my gen_server?
>
> /Frank
>
> _______________________________________________
> erlang-questions mailing list
> 
> http://erlang.org/mailman/listinfo/erlang-questions
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://erlang.org/pipermail/erlang-questions/attachments/20170427/c3d390ad/attachment.html>


More information about the erlang-questions mailing list