[zeromq-dev] ZMQ_STREAM interraction with ZMTP ?

[Laurent Alebarde]

Yes, that's what I did actually:

Client (DEALER, CURVE) --------- (STREAM) Proxy (STREAM) ------------ 
(CURVE, DEALER) Worker

The proxy works as a ROUTER/ROUTER since it receives the identity of 
both client and server on each side. I first register the workers and 
then for the first message of a client, I pair its identity with the one 
of a worker, so that the same client is always routed to the same worker.

To ease the test, I have just one client and one worker.

But here, I did not recall the curve proxy topic since the problem arise 
before the handcheck.


Le 06/12/2013 14:01, Pieter Hintjens a écrit :
> Please read my previous emails about proxying the CURVE handshake.
> What I said still applies. The proxy has to parse the client's CURVE
> commands and reply with valid CURVE commands. Using a STREAM socket it
> can read the raw frames but then MUST pass them onto the worker, which
> will generate the valid replies, which the proxy must then send back
> to the client.
>
> On Fri, Dec 6, 2013 at 12:59 PM, Laurent Alebarde <l.alebarde at free.fr> wrote:
>> Hi Devs,
>>
>> I have connected a CURVE-DEALER socket with a ZMQ_STREAM one. Since
>> ZMQ-STREAM is not a mechanism declared in stream_engine, I don't expect it
>> creates any mechanism object.
>>
>> But, if I have not make mistakes, when the CURVE-DEALER socket sends its
>> greeting, which includes "CURVE", then stream_engine creates an unexpected
>> curve_client_t object. I assume this object is related to the ZMQ-STREAM
>> socket since the options are the default ones, while I defined an identity
>> to the CURVE-DEALER socket.
>>
>> On the other side, a "NULL" greeting is received, I assume onto the
>> CURVE-DEALER socket from the ZMQ-STREAM socket, which is also not expected I
>> think.
>>
>> test_stream.cpp passes but does it pass only because it is a NULL to STREAM
>> communication ?
>>
>> If this is true, I think it is not a desirable behaviour.
>>
>> Are you aware of that ? Do you confirm ? What do you think about it ?
>>
>> Cheers,
>>
>>
>> Laurent.
>>
>>
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