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Posted to dev@qpid.apache.org by "Alan Conway (JIRA)" <ji...@apache.org> on 2019/03/05 21:39:01 UTC
[jira] [Assigned] (PROTON-1988) [cpp] streamable message support
[ https://issues.apache.org/jira/browse/PROTON-1988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan Conway reassigned PROTON-1988:
-----------------------------------
Assignee: (was: Alan Conway)
> [cpp] streamable message support
> --------------------------------
>
> Key: PROTON-1988
> URL: https://issues.apache.org/jira/browse/PROTON-1988
> Project: Qpid Proton
> Issue Type: Improvement
> Components: cpp-binding
> Affects Versions: proton-c-0.26.0
> Reporter: Alan Conway
> Priority: Major
>
> C++ API support for streaming large messages in chunks (too large to fit entire message in memory)
> The C link-level API does support streaming messages in chunks, but the C message encoder/decoder and the proton::message type do. Provide an alternative (or extended) C++ message type with a byte-stream API to send/receive the body data in chunks, without every requiring the entire body to be held in memory.
> Use cases:
> # Only the message body need be streamed. Properties are encoded/decode as a unit before sending/receiving any of the body. Most client/endpoint applications would work this way.
> # The entire message, headers, properties and all, need to be streamed, with support for partial decoding of an incoming message and efficient pass thru (incoming to outgoing without decode/re-encode). Only advanced intermediaries are likely to need this (e.g. this is what dispatch router does.)
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