[zeromq-dev] Changes to the monitoring message structure

[Lourens Naudé]

Hi Guido,

Looks good to me.

- Lourens

On Fri, Mar 8, 2013 at 11:33 AM, guido <dropbox at a-nugget.de> wrote:
> Hi!
>
> Just recently I found the zmq_socket_monitor function and went "Hoorray!".
> Already submitted a patch to simplify the zmq_event_t struct.
>
> And while thinking on how to get that feature into the python bindings I
> discovered that using pointers in messages is far from beeing the best
> solution for language bindings.
>
> I'd like to change the message structure in that a way that makes the
> the integeration into other languages a lot easier.
>
> Namely I'll introduce a second message frame for the variable length
> address (endpoint) part.
>
> In addition I'll make the binary parts fit to well known sizes.
>
> The event mask will be a 16-bit value and the error/fd/etc. thingy
> a 4 byte value.
>
> I'll make sure that there is no padding, so the values can be parsed
> easily.
>
> The new message structure will be the following:
>
> Frame 0
>   2-byte event id in native byte order
>   4-byte event value in native byte order
> Frame 1
>   variable length string containing the affected endpoint
>
> This change will also eliminate the need for the zmq_free_event
> callback, further simplifying the whole thing.
>
> Pull-Request will arrive today for public inspection :)
>
> Cheers
>   Guido
>
> PS:
> Just in case someone misses the point:
> Please comment!
>
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