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Does tokio::net::TcpStream::connect account for port exhaustion? #3661

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After doing some research on the matter, I've come to the conclusion that port exhaustion could occur, however by using TcpStream this is probably less likely due to the way mio and the os are creating sockets underneath the hood.

For an added layer of safety/introspection, I've decided putting a semaphore (w/ about 400 permits) in the call path is probably the best way to apply a sanity check.

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