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Create dtls server accepting multiple clients - Windows 11 #18644

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GurixD opened this issue Jun 23, 2022 · 0 comments
Open

Create dtls server accepting multiple clients - Windows 11 #18644

GurixD opened this issue Jun 23, 2022 · 0 comments
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triaged: question The issue contains a question

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@GurixD
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GurixD commented Jun 23, 2022

Windows 11
OpenSSL 3.0.3

I'm unable to create a dtls server accepting multiple clients creating a native socket for each. It appears that all the messages sent by clients are always received only by the mainfd and never by the peerfd making the SSL_accept hang forever. This makes me think about #6934 (comment) because closing the mainfd will make the messages receivable by peerfd. (tried with dtls_udp_echo.c program which works fine on linux)

I tried with bare udp sockets to do the same and only the mainfd is receiving on windows while on linux only peerfd is receiving:
https://gist.github.com/GurixD/becb340fcee09ce2fec24718373688eb

How can I accept multiple clients on windows?
@GurixD GurixD added the issue: question The issue was opened to ask a question label Jun 23, 2022
@t8m t8m added triaged: question The issue contains a question and removed issue: question The issue was opened to ask a question labels Jun 24, 2022
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