[erlang-questions] client in erlang server in objective C

[Dmitry Klionsky]

Hi Joe,

NSSelectorFromString, NSClassFromString and others are your friends here.

For more detail have a look at:

Objective-C Runtime Programming Guide
https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Introduction/Introduction.html

Objective-C Programming Language
https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/ObjectiveC/Introduction/introObjectiveC.html

Also I would also suggest you to evaluate the protobuffs. In my opinion 
the protobuffs are more concise and clear.
There a couple of Objective-C implementations available:
http://code.google.com/p/metasyntactic/wiki/ProtocolBuffers
https://github.com/booyah/protobuf-objc


Best regards,
Dmitry Klionsky


On 07/18/2012 11:10 AM, Joe Armstrong wrote:
> That's a very interesting idea. I haven't used thrift - but if the server
> side code exists in Objective C this would be very interesting.
>
> (I tried to build thrift but the build failed :-)
>
>
> I've now actually got an erlang client talking to an objective C
> server - using AsnycSocket that Bob suggested but I can only exchange strings.
>
> Now I need to figure out how to do build dynamic method calls in objective C.
>
> In objective C I'd write
>
>       [button setTitle:@"click me"]
>
> In Erlang I'd like to encode this as a string
> send it to objective C decode it and evaluate it.
>
> I'd like to do something like
>
>      send("button", "setTitle", [{string,"click me"}])
>
> In erlang
>
>     or to encode   [foo this:123 that:@"yea"] as
>
>     send("foo", "this:that", [{integer,123},{string,"yea"}])
>
> Then I'd like to serialize this as a string (in Erlang) and decode it
> and evaluate it in Objective C
>
>      Any ideas how to do this?
>
> /Joe
>
>
> On Tue, Jul 17, 2012 at 11:48 PM, Anthony Molinaro
> <anthonym@REDACTED>  wrote:
>> What about thrift http://thrift.apache.org/
>>
>> It's RPC style so you describe function calls, erlang clients are easy,
>> the objective-c server would be generated for you (other than the
>> body of the function).
>>
>> I've been using thrift to talk java->erlang and erlang->java, so
>> talking erlang->objective-c should be straightforward.
>>
>> Some examples http://wiki.apache.org/thrift/ThriftUsageObjectiveC
>>
>> -Anthony
>>
>> On Sat, Jul 14, 2012 at 06:27:49PM +0200, Joe Armstrong wrote:
>>> I want the following:
>>>
>>>     - Client in erlang (easy)
>>>    - Server in objective C (I'm thinking Mac OS-X lion - xcode 4.2 - cocoa)
>>>    -  socket communication
>>>
>>> [[ I'm a complete beginner with xcode/objective C ]]
>>>
>>> Has anybody written a simple objective C client that opens a port
>>> waits for a message then executes a callback. This should be non-blocking
>>> and be integrated with the "standard" dispatcher top-loop.
>>>
>>> I'm confused by the profusion of classes that almost do this.
>>>
>>> Has anybody implemented this, or have pointers to a good place to start.
>>>
>>> Cheers
>>>
>>> /Joe
>>> _______________________________________________
>>> erlang-questions mailing list
>>> erlang-questions@REDACTED
>>> http://erlang.org/mailman/listinfo/erlang-questions
>> --
>> ------------------------------------------------------------------------
>> Anthony Molinaro<anthonym@REDACTED>
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-- 
Best regards,
Dmitry Klionsky