pool: Cleanup client read error logging. #376
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This ensures the send to the read channel for a client respects the context since it could otherwise end up hanging forever when sending to the channel that no longer has a goroutine reading from it thereby leaking the goroutine. It also includes the read goroutine in the overall waitgroup for the client to help ensure it shuts down as intended.
This switches the code that examines read errors for timeout to use the proper interface from the net package that is designed for that purpose instead of digging into concrete types. It also ensures clients that timeout without ever identifying themselves have their uniquely-assigned extra nonce used as the id instead so the log messages can be attributed to the ip of the offending clients. Finally, it no longer logs an error when an io.EOF is encountered as that is an expected condition when the client disconnects and is not an actual error.
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This is rebased on #375.
This switches the code that examines read errors for timeout to use the proper interface from the net package that is designed for that purpose instead of digging into concrete types.
It also ensures clients that timeout without ever identifying themselves have their uniquely-assigned extra nonce used as the id instead so the log messages can be attributed to the ip of the offending clients.
Finally, it no longer logs an error when an
io.EOFis encountered as that is an expected condition when the client disconnects and is not an actual error.