unlisten of a port #452
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hannesm
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Nov 11, 2021
CHANGES: * Adapt to mirage-protocols 6.0.0 API (mirage/mirage-tcpip#457 @hannesm) * TCP and UDP now have a listen and unlisten function (fixes mirage/mirage-tcpip#452) * type ipinput (in TCP and UDP) and listener (in TCP) have been removed
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A
listen(_tcp/_udp) function exists, but there's no way to not listen to that port anymore. Now, in some use cases (e.g. a DNS resolver), all that is needed is "send packet from port P to Y:P'" and "wait for an answer to port P (from Y:P')", but once the answer is received, the listening socket on port P can be safely closed.Also note that the current semantics of calliing
listenmutliple times with the same port on the same stack diverges between socket and direct stack -- the socket stack will fail (ADDRINUSE), the direct stack will overwrite the listener.The text was updated successfully, but these errors were encountered: