Robbie Gemmell created PROTON-795:
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Summary: add support for 'echo' on Flow frames/events
Key: PROTON-795
URL: https://issues.apache.org/jira/browse/PROTON-795
Project: Qpid Proton
Issue Type: Bug
Components: proton-c, proton-j
Affects Versions: 0.8
Reporter: Robbie Gemmell
Flow frames have an 'echo' field [1], used to request peers send their updated
state. This would be useful to e.g attempt stopping a link without 'drain', or
requesting a Flow response is sent when also 'drain'ing (since Proton does not
send one if all the credit has already been used when the drain is actioned).
Currently this field is not inspected by proton itself, or exposed in any way
that an application could inspect this (or it must be said, set it) itself, so
it isnt currently possible to honour an echo request from a [non-Proton] peer.
[1]
http://docs.oasis-open.org/amqp/core/v1.0/os/amqp-core-transport-v1.0-os.html#type-flow
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