Hello,
I have spent a day or so trying to figure out where the XPUB/XSUB stuff and
the poll capability are in the zeromq bindings or in akka ZeroMQExtension.
However I am not having any luck.
In zeroMQ and other language bindings you can do things like:
ctx = zmq.Context.instance()
frontend = ctx.socket(zmq.SUB)
frontend.bind("tcp://*:5557")
backend = ctx.socket(zmq.XPUB)
backend.bind("tcp://*:5558")
*# Subscribe to every single topic from publisher*
frontend.setsockopt(zmq.SUBSCRIBE, b"")
*# Store last instance of each topic in a cache*
cache = {}
*# We route topic updates from frontend to backend, and*
*# we handle subscriptions by sending whatever we cached,*
*# if anything:*
poller = zmq.Poller()
poller.register(frontend, zmq.POLLIN)
poller.register(backend, zmq.POLLIN)
# so on and so on
Then you can proxy things between the frontend and the backend.
How does one go about doing this in Scala/Akka?
Thanks!
OD
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