[zeromq-dev] Differences between ZMTP 3 RFC23 and libzmq master implementation

[Laurent Alebarde]

Hi Pieter,

It looks like there are differences between the ZMTP 3 RFC23 ws libzmq 
master implementation. My test is the same case than the "/worked 
example/" of the RFC:

"/A DEALER client connects to a ROUTER server. Both client and server 
are running ZMTP and the implementation has backwards compatibility 
detection. The peers will use the NULL security mechanism to talk to 
each other/."

 1. "/The client sends a partial greeting (11 octets) /" : I receive
    only the 10 first bytes,which are the signature, but not the major
    version as expected.
 2. I receive next a 97 bytes message (The first byte is the major
    version). In the RFC, this supposed to be two different messages or
    frames (first one should end with the filler):

3  0  NULL      0            0             4    41    5 READY 11 
Socket-Type   0 0 0 6 DEALER   8 Identity             0 0 0 0
M m mecha as-server filler       flags size Cmd name  Prop Name         
Prop Val               Prop Name         Prop Val
0  1  2-21       22         23-53    54     55    56-61 
62-73                74-83                 84-92 93-96
10 11 12-31   32         33-63    64

This raises a few questions :

 1. I have not and won't test the version negotiation. does it work ?
 2. test_stream.cpp works in conformance with what I have monitored.
    What is the baseline, the RFC or the implementation ?

Cheers,


Laurent

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