[zeromq-dev] Wire-format spec for zmq 3.2

Pieter Hintjens ph at imatix.com
Tue Oct 23 03:04:54 CEST 2012


On Mon, Oct 22, 2012 at 10:40 PM, DATACOM - Samuel Lucas
<samuellucas at datacom.ind.br> wrote:

> I'm converting an application from zmq 2.1 to 3.2.
> It's a tool that uses libpcap to listen to zmq communication (several socket
> types over tcp) and manually handle zmq's wireformat (you can think about it
> as a kind of a wireshark dissector).
>
> I converted it from ZMTP/1.0 to ZMTP/2.0 (as of spec 15/ZMTP [1]) but what
> I'm seeing on the wire does not look like ZMTP/1.0 neither plain ZMTP/2.0.
>
> Am I looking at the correct document?
> Is there any additional protocol automatically stacked over ZMTP/2.0?

This should be the correct document. It's possible something is
wrongly defined. Could you provide us with a sample of the bytes
you're seeing on the wire? Note also that if a 3.2 peer detects a 2.x
peer it'll revert to the old protocol.

Thanks
Pieter



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