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ZeroMQ PubSink & SubSource #3

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loic-fejoz opened this issue Aug 29, 2021 · 2 comments · Fixed by #9
Closed

ZeroMQ PubSink & SubSource #3

loic-fejoz opened this issue Aug 29, 2021 · 2 comments · Fixed by #9

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@loic-fejoz
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Why ZeroMQ?
ZeroMQ is by default in GNU Radio Companion.

ZMQSubSource & ZMQPubSink as blocks
I would like to have blocks to publish stream & receive stream from other systems.

Underlying ZMQ rust lib?
I have done an experiment with zmq library which is blocking one.
Should we consider using async-zmq (non blocking) or the more idiomatic libzmq (but unmaintained).

Additional context
Having those would enable tests where only part of a chain is migrated to FutureSDR. For instance, it could enable to split a chain between GNU Radio and FutureSDR until FutureSDR had all the mandatory blocks of the overall chain.
@bastibl
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bastibl commented Aug 30, 2021 •
edited

I'll have a closer look at the implementation, as soon as I have time. But just because I forgot to mention it in the intro video: One can specify through the BlockMeta that a block uses blocking calls in work, which will spawn it in a separate thread, using its own executor. See
https://docs.rs/futuresdr/0.0.4/futuresdr/runtime/struct.BlockMetaBuilder.html#method.blocking
https://github.com/FutureSDR/FutureSDR/blob/master/src/blocks/soapy_src.rs#L27

@loic-fejoz
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@bastibl Thanks for the tip. I will add this.
Once I have properly add ZeroMQ as a feature (by default?), I will create a pull request.

@loic-fejoz loic-fejoz mentioned this issue Aug 30, 2021
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@bastibl bastibl closed this as completed in #9 Sep 2, 2021
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feature/ZeroMQ loic-fejoz/FutureSDR
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@bastibl @loic-fejoz