Hi Arnaud, Arnaud Loonstra <arn...@sphaero.org> writes:
> * visualising zmq topologies? In theory this should be very well > possible. Would this be interesting for the zmq community? I'm currently > researching a system to visualize actors but was thinking this could be > done for any zmq topology. It is also a very intuitive approach into > understanding the flow of a program. I won't be at FOSDEM but I am very interested in this topic. I'm using CZMQ actors as a core element of my current project. It dynamically aggregates actor-based components into processes and their sockets into networks via JSON files which are compiled from a singular Jsonnet source. That configuration describes a graph and so besides the applications consuming the JSON, GraphViz dot files can also be generated for visualization. Here is a somewhat old example: https://github.com/brettviren/ptmp/blob/master/docs/zgraph.org#network-visualization (scroll down for a larger example) Boxes are actors, circles are sockets, ellipses are endpoints. Process boundaries are not indicated. These graphs are not so "pretty" but they make very good tools to debug the configuration before it's applied to actual running applications. Another thing I have been thinking about, but still only at a conceptual/daydream level, is to visualize various metrics emitted (via zeromq) from each vertex of this graph by displaying them on some form of "live" graph on a web page using eg Bokeh. I want to eventually incorporate Zyre into my system and its data might also be fodder for some graph-oriented visualization. In particular, because Zyre is standard (unlike my application-specific metrics) I can envision developing some generically useful Zyre monitoring system based on some simple requirements on Zyre key/value headers. Cheers, -Brett.
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