Author alex.gronholm
Recipients alex.gronholm, asvetlov, paul.moore, steve.dower, tim.golden, zach.ware
Date 2019-12-28.10:55:11
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1577530511.62.0.532247879973.issue39148@roundup.psfhosted.org>
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Receiving a UDP datagram using DatagramProtocol on the Proactor event loop results in error_received() being called with WinError 87 (Invalid Parameter). The low-level sock_recv() works fine, but naturally loses the sender address information. The attached script works fine as-is on Linux, and on Windows if ::1 is replaced with 127.0.0.1.

There were extensive tests added for UDP support on IOCP, but unfortunately all of them use only IPv4 sockets so they could not catch this problem.
History
Date User Action Args
2019-12-28 10:55:11alex.gronholmsetrecipients: + alex.gronholm, paul.moore, tim.golden, asvetlov, zach.ware, steve.dower
2019-12-28 10:55:11alex.gronholmsetmessageid: <1577530511.62.0.532247879973.issue39148@roundup.psfhosted.org>
2019-12-28 10:55:11alex.gronholmlinkissue39148 messages
2019-12-28 10:55:11alex.gronholmcreate