[zeromq-dev] Majordomo handling malformed messages

[Lucas Russo]

Hello Everyone,

I'm using the majordomo protocol to do a service-based thread lookup,
sharing the same context among all threads.

I would like to make the reference majordomo implementation (
https://github.com/zeromq/majordomo/) a little bit more robust against
malformed messages. Right now, if any of the parts (client, broker or
worker) receive a wrong message format, it will just crash with the asserts
being used or not check the message whatsoever.

So, if you think this is a valid putting a little effort on, I would like
to ask for suggestions on how to do that.

First of all, maybe the majordomo protocol (http://rfc.zeromq.org/spec:18)
would need to be changed, as the worker and/or broker does not send an
error message back to the client in response to a malformed message
received.

Second, with the modification in the protocol, the work would be just to
remove the asserts and replace them with proper checking and error messages
back to the client.

Do you guys think this would make a good improvement for the Majordomo
protocol and reference implementation?

Also, I know about the Malamute intent to be a "general" messaging
protocol, but does it replace Majordomo?

Regards,

Lucas
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