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@coot coot commented Apr 3, 2020

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@coot coot changed the title Memory leak in networking code WIP: Memory leak in networking code Apr 3, 2020
@coot coot force-pushed the coot/network-memory-leak branch from d336690 to b9a62de Compare April 4, 2020 10:37
@coot coot force-pushed the coot/network-memory-leak branch from b9a62de to b3ccb1f Compare April 7, 2020 19:49
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coot commented Apr 7, 2020

Requires: IntersectMBO/cardano-base#89
Is requirement for: IntersectMBO/cardano-node#762

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Looks good.

One comment below. Plus we can actually avoid changing cardano-base.

traceWith tracer $ Mx.MuxTraceSDUReadTimeoutException
throwM $ Mx.MuxError Mx.MuxSDUReadTimeout "Mux SDU Timeout" callStack
Just r -> return r
Just !r -> return r
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This one is a bit odd. It's a bang pattern on a pair right? It's the result of recvRem so we should add strictness there instead.

Do it on the two components of the result pair (header {Mx.msBlob = blob}, ts).

!ts <- getMonotonicTime 

and

let !header' = header {Mx.msBlob = blob}
return (header', ts)

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Pushed a patch to implement this suggestion.

@dcoutts dcoutts force-pushed the coot/network-memory-leak branch from d59b2a7 to bf45bd7 Compare April 8, 2020 17:24
Bang things nearer their construction site, and don't bang pairs.
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dcoutts commented Apr 8, 2020

Plus we can actually avoid changing cardano-base.

I've dropped the changes that needed this and did it in a way that didn't need them.

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dcoutts commented Apr 8, 2020

bors merge

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iohk-bors bot commented Apr 8, 2020

@iohk-bors iohk-bors bot merged commit 5837c63 into master Apr 8, 2020
@iohk-bors iohk-bors bot deleted the coot/network-memory-leak branch April 8, 2020 18:07
@coot coot changed the title WIP: Memory leak in networking code Memory leak in networking code Apr 9, 2020
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