[jira] [Created] (PROTON-682) proton-c: a call to pn_messenger_stop can get into an infinite loop if the remote connection is severed

["Dominic Evans (JIRA)" <ji...@apache.org>]

Dominic Evans created PROTON-682:
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             Summary: proton-c: a call to pn_messenger_stop can get into an infinite loop if the remote connection is severed
                 Key: PROTON-682
                 URL: https://issues.apache.org/jira/browse/PROTON-682
             Project: Qpid Proton
          Issue Type: Bug
            Reporter: Dominic Evans


The problem is that the transport layer is not being closed down properly if output is pending when the connection is severed and a messenger stop is requested. pn_messenger_stop needs to send out an AMQP close message any will only do this when there is an event to say that it can write (i.e pn_messenger_process gets a PN_WRITABLE event from pn_selector_next, which examines the pollfd and sets PN_WRITABLE event if POLLOUT is set in revents). Because this event is never generated it seems to loop forever.




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