Olaoluwa Osuntokun 5fe3a5631d server: eliminate possible initial connection churn by ignoring duplicate inbound conns ...

This commit fixes a bug that was introduced when the connection
handling was re-worked to properly handle the case of concurrent
connections being made. In certain cases after a successful initial
connection, a peer’s stray goroutine would still attempt to establish a
second outbound connection even though a connection had already been
established. This was properly handled by the connecting peer, but not
he receiving peer. This commit adds the additional logic to the
receiving peer to ensure that we properly handle this case.

2017-05-11 15:21:02 -07:00

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