make unregister functions non-blocking #3526
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coot
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networking
connection-manager
bolt12
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Dec 6, 2021
ouroboros-network-framework/src/Ouroboros/Network/ConnectionManager/Core.hs
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Also fix connection manager simulation. The simulation environment should not kill the connection thread with an asynchronous exception when the connection handler throws an exception.
The generators are tricky to maintain, since they need to predict the timeline of events to make sure that socket imposed semantics is preserved (e.g. there's no inbound connection while an inbound connection is active). On the other side, the server tests are mature enough to replace the property (the `prop_connectionManagerSimulation` predates simulated snocket).
Make sure that the wait time timeouts takes 'cmTimeWaitTimeout' seconds, even if an async exception is delivered during it. At the same time, it must not block async exceptions, to avoid `unregisterInboundConnection` (or `unregisterOutboundConnection`) being blocked for its duration.
* start the thread with masked exceptions (`asyncWithUnmask`, does not masks exceptions!) * remove not needed `uninterruptibleMask_`, since the exceptions are already uninterruptibly masked.
`demotedToColdRemote` can be executed when the connection is in `TerminatedState` (while pruning: see https://github.com/input-output-hk/ouroboros-network/runs/4408176265?check_suite_focus=true). In this test, while `AsyncException` propagates through mux threads, we managed to be notified about a last terminating mini-protocol, which triggered 'WaitIdleRemote' before 'MuxFinished' in the inbound governor. As a fix, we return now 'TerminatedConnection' and let the inbound governor remove the peer from its state without waiting on the mux notification.
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I removed the connection-manager: added transition tracer, to avoid modification of traces, this currently causes problems for merging the new tracing system. |
bolt12
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Dec 6, 2021
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Maybe this will fix my timeout enforced tests |
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bors merge |
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connection-manager: added transition tracer