DOC: config: Explicitly state the SPOE streams have a usable parent stream

It is explicitly mentionned in the configuration manual that the parent of a
SPOE stream is the filtered stream. It means variables of the filtered
stream are usable from the SPOE stream.
This commit is contained in:
Christopher Faulet 2024-07-19 16:29:26 +02:00
parent 2e86de0e0f
commit e902db2609

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@ -27336,6 +27336,12 @@ also requires dedicated backends, defined in HAProxy configuration.
SPOE communicates with external components using an in-house binary protocol,
the Stream Processing Offload Protocol (SPOP).
When the SPOE is used on a stream, a dedicated stream is spawned to handle the
communcation with the external component. The main stream is the parent stream
of this "SPOE" stream. It means it is possible to retrieve variables of the
main stream from the "SPOE" stream. See section 2.8 about variables for
details.
For all information about the SPOE configuration and the SPOP specification, see
"doc/SPOE.txt".