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From "Greg Mann (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-6802) SSL socket can lose bytes in the case of EOF
Date Thu, 15 Dec 2016 17:52:58 GMT

     [ https://issues.apache.org/jira/browse/MESOS-6802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Greg Mann updated MESOS-6802:
-----------------------------
    Shepherd: Joseph Wu

> SSL socket can lose bytes in the case of EOF
> --------------------------------------------
>
>                 Key: MESOS-6802
>                 URL: https://issues.apache.org/jira/browse/MESOS-6802
>             Project: Mesos
>          Issue Type: Bug
>          Components: libprocess
>            Reporter: Greg Mann
>              Labels: libevent, libprocess, ssl
>
> During recent work on SSL-enabled tests in libprocess (MESOS-5966), we discovered a bug
in {{LibeventSSLSocketImpl}}, wherein the socket can either fail to receive an EOF, or lose
data when an EOF is received.
> The {{LibeventSSLSocketImpl::event_callback(short events)}} method immediately sets any
pending {{RecvRequest}}'s promise to zero upon receipt of an EOF. However, at the time the
promise is set, there may actually be data waiting to be read by libevent. Upon receipt of
an EOF, we should attempt to read the socket's bufferevent first to ensure that we aren't
losing any data previously received by the socket.



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