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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PROTON-1618) Give unambiguous indication when server listen operation succeeds or fails
Date Thu, 12 Oct 2017 02:15:00 GMT

    [ https://issues.apache.org/jira/browse/PROTON-1618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16201341#comment-16201341
] 

ASF subversion and git services commented on PROTON-1618:
---------------------------------------------------------

Commit 485cdbd3f680772e081ca05fbda97c0f271c676e in qpid-proton's branch refs/heads/master
from [~aconway]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-proton.git;h=485cdbd ]

PROTON-1618: c++ tests use test_port.h for listen ports

POSIX: Use bind(0) with SO_REUSEADDR and hold the socket to acquire a port that
can safely be used for listen()

Windows: Use bind(0) to pick a port, but close the socket immediately. In theory
another process could steal the port between bind() and listen(), but in
practice this seems to be very unlikely.

The previous randomize-and-retry approach makes it hard to test the sequence of
events for listen(), since the random retry may cause multiple listen errors
even when it is finally successful.


> Give unambiguous indication when server listen operation succeeds or fails
> --------------------------------------------------------------------------
>
>                 Key: PROTON-1618
>                 URL: https://issues.apache.org/jira/browse/PROTON-1618
>             Project: Qpid Proton
>          Issue Type: Improvement
>          Components: proton-c
>            Reporter: Justin Ross
>            Assignee: Alan Conway
>              Labels: api
>             Fix For: proton-c-0.18.0
>
>
> The C proactor API provides events to indicate when an async listen operation has succeeded
or failed, but the semantics are a little unclear. The C++ API lacks the required events.
> Simplify & clarify the C API, and add the missing events in C++.



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