[zeromq-dev] Assertion failure in pull.cpp

[Martin Sustrik]

On 08/21/2010 03:21 PM, Pieter Hintjens wrote:
> On Sat, Aug 21, 2010 at 2:56 PM, Alexey Ermakov<zee at technocore.ru>  wrote:
>> On Sat, Aug 21, 2010 at 1:57 PM, Pieter Hintjens<ph at imatix.com>  wrote:
>>> Any other combinations e.g. XREP<->XREP or XREP<->XREQ must be bridged via code.
>>
>> Wait a minute, XREQ<->  XREP aren't supposed to be connected to each
>> other? So the fact that it's possible and works right now is a bug?
>
> I don't know, and was over-hasty in writing that email.
>
>  From a naive perspective XREQ and XREP have different representations
> for the message so aren't compatible.  XREQ sends A and XREQ gives
> IDENTITY+A.

They are compatible. The point is that you _want_ to see the identity on 
the XREP side, although you haven't sent it on XREQ side.

> But that doesn't make it invalid, just undocumented.
>
> What is a bug (or at least a loophole) is allowing SUB<->SUB,
> PUB<->PUB, PUB<->PULL, XREQ<->PULL, etc.

Ack.

Martin