zmq 2.1 dosn't follow the ZMTP/1.0 spec.
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PieterP March 20, 2012 at 6:28 PM
Pull request made for libzmq also.
PieterP March 20, 2012 at 4:41 PM
OK, fix is merged into 2.1 master
PieterP March 20, 2012 at 4:07 PM
Have made test case and confirmed fix on 2.1.11 (targeted for 2.1.12).
PieterP December 19, 2011 at 1:30 AM
Robert, if you would make a pull request, I'll merge this into the zeromq2-1 distro and get it into the next release. Please do test the patch and make sure it works as expected. Thanks!
Martin Sustrik December 9, 2011 at 10:40 AM
Here's the patch.
When sending messages with zmq 2.1.10 some of the reserved bits (1-6) are set
to one instead of zero like the ZMTP/1.0 specs [1] says. The spec says that
they MUST be zero. Having the reserved bits set to one will cause
compatibility problems when later versions want to set those bits for new
features, so I think this is a bug in the zmq library code.