swarm/src/toggle: Ignore listen upgr errors when disabled #1945
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A disabled `ToggleProtoHandler` can receive listen upgrade errors in the following two cases: 1. Protocol negotiation on an incoming stream failed with no protocol being agreed on. 2. When combining `ProtocolsHandler` implementations a single `ProtocolsHandler` might be notified of an inbound upgrade error unrelated to its own upgrade logic. For example when nesting a `ToggleProtoHandler` in a `ProtocolsHandlerSelect` the former might receive an inbound upgrade error even when disabled. `ToggleProtoHandler` should ignore the error in both of these cases.
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In case this patch finds approval, I would like to relase |
romanb
approved these changes
Feb 4, 2021
I planned to only publish a new |
Not necessarily. I only used plural in case you think it would be desirable to have a |
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A disabled
ToggleProtoHandlercan receive listen upgrade errors in thefollowing two cases:
Protocol negotiation on an incoming stream failed with no protocol being
agreed on.
When combining
ProtocolsHandlerimplementations a singleProtocolsHandlermight be notified of an inbound upgrade error unrelated to its own upgrade
logic. For example when nesting a
ToggleProtoHandlerin aProtocolsHandlerSelectthe former might receive an inbound upgrade erroreven when disabled.
ToggleProtoHandlershould ignore the error in both of these cases.Fixes paritytech/polkadot#2373.