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Posted to dev@qpid.apache.org by "Justin Ross (JIRA)" <ji...@apache.org> on 2016/11/04 22:18:59 UTC

[jira] [Updated] (PROTON-644) Posix driver swallows connect errors.

     [ https://issues.apache.org/jira/browse/PROTON-644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Justin Ross updated PROTON-644:
-------------------------------
    Labels: patch  (was: )

> Posix driver swallows connect errors.
> -------------------------------------
>
>                 Key: PROTON-644
>                 URL: https://issues.apache.org/jira/browse/PROTON-644
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>    Affects Versions: 0.8
>            Reporter: Marcel Meulemans
>            Priority: Minor
>              Labels: patch
>         Attachments: connect.patch
>
>
> The majority of errors that can occur on a call to connect(...) (timeout, host unreachable, network unavailable, etc) are hidden by the io layer. The reason being that the socket is set to non-blocking prior to the call to connect and the result of the connect is never checked.
> A possible fix can be found here: https://github.com/marcelmeulemans/qpid-proton/commit/d62cc2f482d083236512dd2a6ab93f9c85decf37
> This fix make the pn_connect function block by using select to check the result of connect with a timeout (currently 10 sec). Another option would be to be to set the socket to non blocking after the connect, but this can can cause connect to block for minutes.



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