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https://issues.apache.org/jira/browse/PROTON-1512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Conway reopened PROTON-1512:
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One final missing piece: if an outgoing delivery is aborted before any data has
been framed, proton should NOT generate an abort frame, it should silently
discard the delivery. If outgoing data has been framed, then aborting a
delivery should generate an aborted frame.
> Expose the "aborted" flag for transferred deliveries
> ----------------------------------------------------
>
> Key: PROTON-1512
> URL: https://issues.apache.org/jira/browse/PROTON-1512
> Project: Qpid Proton
> Issue Type: New Feature
> Components: proton-c
> Reporter: Ted Ross
> Assignee: Alan Conway
> Labels: api
> Fix For: proton-c-0.18.0
>
>
> As we develop support for message streaming in Qpid Dispatch Router (i.e.
> frames for large multi-frame messages are forwarded to destinations as they
> arrive, before the complete message is received), there is a need to handle
> the case where a received message is never completed.
> The AMQP protocol has a provision for this in the "aborted" flag in the
> transfer performative. If the router is in the process of streaming a large
> message from sender to receiver and the sender drops before completing the
> delivery, the router can send a transfer to the downstream receivers with the
> "aborted" flag set. This would indicate that the message should not be
> processed and would not cause any framing errors on the link.
> Proton does not currently expose this capability in its API (There is a
> pn_link_abort in the C header file, but it is commented out and not
> implemented).
> In order to properly handle the failure cases for message streaming, this
> feature must be usable in Proton.
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