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https://issues.apache.org/jira/browse/PROTON-1512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16163600#comment-16163600
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ASF subversion and git services commented on PROTON-1512:
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Commit f719f80da8c5a4939654e4efb720a02f470026e2 in qpid-proton's branch
refs/heads/master from [~aconway]
[ https://git-wip-us.apache.org/repos/asf?p=qpid-proton.git;h=f719f80 ]
PROTON-1512: Expose the "aborted" flag for transferred deliveries
> 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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